US20140109485A1 - Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same - Google Patents
Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same Download PDFInfo
- Publication number
- US20140109485A1 US20140109485A1 US14/059,849 US201314059849A US2014109485A1 US 20140109485 A1 US20140109485 A1 US 20140109485A1 US 201314059849 A US201314059849 A US 201314059849A US 2014109485 A1 US2014109485 A1 US 2014109485A1
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- US
- United States
- Prior art keywords
- wearstrip
- interior
- weatherstrip assembly
- base
- leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/70—Sealing arrangements specially adapted for windows or windscreens
- B60J10/74—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/22—Sealing arrangements characterised by the shape having varying cross-section in the longitudinal direction
-
- B60J10/0008—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0053—Producing sealings
-
- B60J10/0031—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/15—Sealing arrangements characterised by the material
- B60J10/16—Sealing arrangements characterised by the material consisting of two or more plastic materials having different physical or chemical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/15—Sealing arrangements characterised by the material
- B60J10/17—Sealing arrangements characterised by the material provided with a low-friction material on the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/15—Sealing arrangements characterised by the material
- B60J10/18—Sealing arrangements characterised by the material provided with reinforcements or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/24—Sealing arrangements characterised by the shape having tubular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/24—Sealing arrangements characterised by the shape having tubular parts
- B60J10/248—Sealing arrangements characterised by the shape having tubular parts having two or more tubular cavities, e.g. formed by partition walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/27—Sealing arrangements characterised by the shape having projections, grooves or channels in the longitudinal direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/40—Sealing arrangements characterised by contact between two or more cooperating sealing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/70—Sealing arrangements specially adapted for windows or windscreens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/70—Sealing arrangements specially adapted for windows or windscreens
- B60J10/74—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
- B60J10/76—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides for window sashes; for glass run channels
Definitions
- the subject invention relates to a weatherstrip assembly for a vehicle.
- Weatherstrip assemblies are used within many industries to provide a seal between multiple components capable of moving relative to one another.
- the weatherstrip assembly is used in a vehicle to seal between a door which defines a window opening, and a glass capable of sliding relative to the door to selectively close the window opening.
- the weatherstrip assembly typically includes a body portion defining a slot for receiving the glass and a seal member for abutting and sealing against the glass.
- the weatherstrip assembly typically includes a wear portion disposed in the channel and extending longitudinally along the weatherstrip assembly.
- the wear portion is typically comprised of a low-friction, rigid material, such as high durometer rubber or felt flocking. The wear portion extends continuously along the weatherstrip assembly.
- the material from which the wear portion is formed is typically more rigid than the body portion and the seal member in order to extend the life of the wear portion as the glass repeatedly slides along the wear portion.
- the high rigidity makes the weatherstrip assembly more difficult to manipulate when mounting the weatherstrip assembly to the door. While the wear portion is low-friction, there is a continual desire in the industry to further reduce the friction between the wear portion and the glass. Therefore, there remains an opportunity to develop an improved weatherstrip assembly for a vehicle.
- the subject invention provides for a weatherstrip assembly for sealing between a frame and a closure member of a vehicle.
- the weatherstrip assembly includes a body extending along an axis to first and second opposing ends.
- the body has a base, a first leg extending from the base, and a second leg extending from the base with the first and second legs spaced from and extending substantially parallel to each other, and the base and the legs defining a channel for receiving the closure member.
- the body further includes an exterior surface disposed outside of the channel, an interior base surface disposed within the channel along the base, a first interior leg surface disposed within the channel along the first leg, and a second interior leg surface disposed within the channel along the second leg.
- the weatherstrip assembly further includes at least one sealing lip having an abutment surface with the sealing lip extending from at least one of the first and second legs for selectively engaging the closure member.
- the weatherstrip assembly further includes a wearstrip disposed along and extending from at least one of the interior base surface, the first interior leg surface, the second interior leg surface, and the abutment surface.
- the wearstrip is formed of a thermoplastic polyethylene material for reducing friction as the closure member moves relative to the weatherstrip assembly.
- the wearstrip has a plurality of alternating wear sections and gaps that define a series of alternating semi-rigid and flexible sections, respectively, with each wear section having first and second surfaces and an engagement surface extending between the first and second surfaces.
- the first surface of one of the wear sections and the second surface of an adjacent wear section face each other to define the gap with the gaps promoting flexing at the flexible sections for facilitating mounting of the weatherstrip assembly to the frame.
- the subject invention further provides for a method of producing the weatherstrip assembly as described above.
- the weatherstrip assembly includes the body extending along the axis to the first and second opposing ends.
- the body has the base, the first leg extending from the base, and the second leg extending from the base with the base and the legs defining the channel.
- the weatherstrip assembly further includes the exterior surface disposed outside of the channel, the interior base surface disposed within the channel along the base, the first interior leg surface disposed within the channel along the first leg, and the second interior leg surface disposed within the channel along the second leg.
- the weatherstrip assembly further includes at least one sealing lip having the abutment surface.
- the weatherstrip assembly includes the wearstrip formed of the thermoplastic polyethylene material.
- the method includes the steps of extruding the body between the first and second ends and simultaneously extruding the at least one sealing lip extending from at least one of the first and second legs longitudinally along the body between the first and second ends.
- the method further includes the steps of extruding the wearstrip along at least one of the interior base surface, the first interior leg surface, the second interior leg surface, and the abutment surface between the first and second surfaces and interrupting the extrusion of the wearstrip while continuing the extrusion of the body and the at least one sealing lip to form the plurality of alternating wear sections and gaps that define the series of alternating semi-rigid and flexible sections.
- the flexing of the weatherstrip assembly facilitates mounting of the weatherstrip assembly to the frame.
- the flexing of the weatherstrip assembly allows the weatherstrip assembly to contour along and mount to non-linear configurations of the frame and allows an installer to manipulate the weatherstrip assembly in any way which increases the ease in which the weatherstrip assembly is mounted to the frame.
- the gaps between the wear sections reduce contact between the wearstrip and the closure member which reduces the friction between the closure member and the wearstrip allowing the closure member to slide more easily within the weatherstrip assembly.
- the alternating wear sections and gaps require less material to produce the wearstrip which reduces the cost to manufacture the weatherstrip assembly.
- FIG. 1 is a perspective view of a vehicle having a weatherstrip assembly.
- FIG. 2 is a perspective view of the weatherstrip assembly.
- FIG. 3 is a lateral cross-sectional view of the weatherstrip assembly including a body having a base and including a wearstrip disposed on the base.
- FIG. 4 is a longitudinal cross-sectional view of the weatherstrip assembly shown in FIG. 3 , with the weatherstrip assembly including the wearstrip having a plurality of alternating wear sections and gaps with the gaps partially defined by the body.
- FIG. 5 is a longitudinal cross-sectional view of the weatherstrip assembly shown in FIG. 3 , the weatherstrip assembly including a wearstrip having a plurality of alternating wear sections and gaps and having a transition section disposed in each of the gaps.
- FIG. 6 is a lateral cross-sectional view of a weatherstrip assembly having a body which has a base and first and second legs, the weatherstrip assembly including wearstrips disposed on the base and the first leg.
- FIG. 7 is a longitudinal cross-sectional view of the weatherstrip assembly shown in FIG. 6 , the weatherstrip assembly including the wearstrips each having a plurality of alternating wear sections and gaps with the gaps partially defined by the body.
- FIG. 8 is a longitudinal cross-sectional view of the weatherstrip assembly shown in FIG. 6 , the weatherstrip assembly including the wearstrips each having a plurality of alternating wear sections and gaps and having a transition section disposed in each of the gaps.
- FIG. 9 is a lateral cross-sectional view of a weatherstrip assembly having a body which has a base and a pair of sealing lips, the weatherstrip assembly including wearstrips disposed on the base and the sealing lips.
- FIG. 10 is a lateral cross-sectional view of a weatherstrip assembly having a body which has a base, first and second legs, and a pair of sealing lips, the weatherstrip assembly including wearstrips disposed on the base, the first leg, and the sealing lips.
- FIG. 11 is perspective view of a weatherstrip assembly including a body having a base with the weatherstrip assembly laterally flexed relative to the base.
- FIG. 12 is perspective view of the weatherstrip assembly including the body having first and second legs with the weatherstrip assembly laterally flexed relative to the first and second legs.
- FIG. 13 is perspective view of the weatherstrip assembly rotationally flexed about an axis.
- FIG. 14 is a longitudinal cross-sectional view of a weatherstrip assembly, including a wearstrip having a plurality of wear sections, and a closure member, with the closure member disposed along one of the wear sections.
- FIG. 15 is a longitudinal cross-sectional view of the weatherstrip assembly, including the wearstrip having the plurality of wear sections, and the closure member, with the closure member disposed along three of the wear sections.
- FIG. 16 is a longitudinal cross-sectional view of the weatherstrip assembly, including the wearstrip having the plurality of wear sections, and the closure member, with the closure member disposed along four of the wear sections.
- a weatherstrip assembly 20 for sealing between a frame 22 and a closure member 24 of a vehicle 26 is generally shown in FIG. 1 .
- the vehicle 26 is typically a passenger car or a truck. However, it is to be appreciated that the vehicle 26 may be any configuration for providing transportation.
- the vehicle 26 may include a vehicle body 28 and a plurality of doors 30 pivotally coupled to the vehicle body 28 . However, it is to be appreciated that the doors 30 may be coupled to and movable relative to the vehicle body 28 in any configuration.
- the frame 22 may be further defined as the door 30 .
- the door 30 has a body portion 32 and a window frame 34 with the window frame 34 extending outwardly and substantially planar to the body portion 32 and with the body portion 32 and the window frame 34 defining a window 36 .
- the frame 22 may be further defined as the body portion 32 of the door 30 and the vehicle body 28 , with the window 36 partially defined by the body portion 32 of the door 30 and partially defined by the vehicle body 28 .
- Such a configuration is typically referred to as a “frameless door window.”
- the frame 22 may be configured in any way in which at least one of the door 30 and the vehicle body 28 at least partially defines the window 36 .
- the closure member 24 may be further defined as a glass pane 38 .
- the glass pane 38 is movable relative to the door 30 between a first position and a second position. More specifically, the glass pane 38 moves planar to the door 30 . In the first position, the glass pane 38 is disposed entirely outside of the window 36 . Said differently, the glass pane 38 is disposed entirely within the body portion 32 of the door 30 . In the second position, the glass pane 38 is disposed at least partially within the window 36 . In the second position, the glass pane 38 may be disposed within the window 36 such that the glass pane 38 entirely closes the window 36 .
- the second position may refer to any position of the glass pane 38 in which the glass pane 38 is disposed within the window 36 .
- the closure member 24 may be any component of the vehicle 26 movable relative to at least one of the door 30 and the vehicle body 28 , including, but not limited to, the door 30 , a hood, or a trunk lid.
- the weatherstrip assembly 20 may extend from within the body portion 32 of the door 30 into the window 36 .
- the weatherstrip assembly 20 may be fully disposed within the body portion 32 of the door 30 .
- the weatherstrip assembly 20 may be fully disposed within the window 36 . It is to be appreciated that the weatherstrip assembly 20 may be disposed in any configuration relative to the window 36 and the body portion 32 of the door 30 .
- the weatherstrip assembly 20 includes a body 40 extending along an axis A to first and second opposing ends 42 , 44 .
- the axis A generally has a linear configuration; however, as will be described below, the axis A may have a non-linear configuration as a result of flexing of the weatherstrip assembly 20 .
- the body 40 has a base 46 , a first leg 48 extending from the base 46 , and a second leg 50 extending from the base 46 with the first and second legs 48 , 50 spaced from and extending substantially parallel to each other. Each of the first and second legs 48 , 50 extend to a distal end.
- the base 46 and the legs 48 , 50 define a channel 52 for receiving the closure member 24 .
- the channel 52 extends along the axis A between the first and second ends 42 , 44 .
- the base 46 and the first and second legs 48 , 50 have a substantially “U” configuration, as shown in FIG. 3 . It is to be appreciated that the base 46 and the first and second legs 48 , 50 may have any suitable configuration for defining the channel 52 .
- the body 40 includes an interior base surface 54 disposed within the channel 52 along the base 46 , a first interior leg surface 56 disposed within the channel 52 along the first leg 48 , and a second interior leg surface 58 disposed within the channel 52 along the second leg 50 .
- the body 40 further includes an exterior surface 60 disposed outside of the channel 52 .
- the exterior surface 60 opposes each of the interior base surface 54 , the first interior leg surface 56 , and the second interior leg surface 58 along the base 46 and the first and second legs 48 , 50 , respectively.
- the weatherstrip assembly 20 may further include at least one tab 62 extending from the body 40 away from the channel 52 for coupling the weatherstrip to the frame 22 .
- the at least one tab 62 is further defined as a pair of tabs 62 with one of the pair of tabs 62 extending from the base 46 adjacent the first leg 48 and another one of the pair of tabs 62 extending from the base 46 adjacent the second leg 50 .
- the tabs 62 engage the frame 22 to couple the weatherstrip assembly 20 to the frame 22 .
- the weatherstrip assembly 20 includes at least one sealing lip 64 , 66 having an abutment surface 68 with the sealing lip 64 , 66 extending from at least one of the first and second legs 48 , 50 for selectively engaging the closure member 24 .
- the at least one sealing lip 64 , 66 may be further defined as a first sealing lip 64 and a second sealing lip 66 with the first sealing lip 64 extending from the distal end of the first leg 48 and the second sealing lip 66 extending from the distal end of the second leg 50 .
- the at least one sealing lip 64 , 66 may be any number of sealing lips 64 , 66 .
- the abutment surface 68 extends around each of the first and second sealing lips 64 , 66 and selectively engages the closure member 24 .
- the first and second sealing lips 64 , 66 extend toward each other.
- the extension of the first and second sealing lips 64 , 66 toward each other facilitates engagement and sealing of each of the first and second sealing lips 64 , 66 against the closure member 24 at the abutment surface 68 .
- the first and second sealing lips 64 , 66 bias toward each other to further seal and guide the closure member 24 within the channel 52 .
- the first and second sealing lips 64 , 66 may be configured to extend into the channel 52 toward the base 46 of the body 40 . Such a configuration may be used within the body portion 32 of the door 30 , as shown in FIG. 1 .
- first and second sealing lips 64 , 66 may extend outwardly away from the channel 52 .
- first sealing lip 64 extends outwardly away from the channel 52 and the second sealing lip 66 extends inwardly into the channel 52 .
- the outward extension of the first sealing lip 64 promotes a smooth transition between the first sealing lip 64 and the closure member 24 , creating an aesthetically-pleasing appearance.
- Such a configuration may be used within the window 36 which is visible to an observer, as shown in FIG. 1 .
- the sealing lips 64 , 66 may have any configuration and may be disposed anywhere on the frame 22 .
- Each of the body 40 and the at least one sealing lip 64 , 66 may be comprised of a rubber material for sealing against the closure member 24 . More specifically, the rubber material of each of the body 40 and the at least one sealing lip 64 , 66 may be further defined as an ethylene propylene diene monomer (EPDM) rubber for sealing against the closure member 24 . Furthermore, the tabs 62 may be comprised of a rubber material or may be further defined as an EPDM rubber.
- EPDM ethylene propylene diene monomer
- the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 may be formed of any semi-rigid elastomeric material including Santoprene® thermoplastic elastomer (TPE) produced by ExxonMobil Chemical Company of Houston, Tex., and the like. It is also to be appreciated that each of the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 may be formed of a cellular or sponge EPDM having a lower density and rigidity or any combination of materials.
- TPE Santoprene® thermoplastic elastomer
- the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 may be any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is also to be appreciated that different combinations of materials may be disposed in varying locations within the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 . It is to further be appreciated that any suitable polymeric material(s) may be used for the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 .
- the weatherstrip assembly 20 includes a wearstrip 70 disposed along and extending from at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 with the wearstrip 70 formed of a thermoplastic polyethylene material for reducing friction as the closure member 24 moves relative to the weatherstrip assembly 20 .
- the thermoplastic polyethylene material is a low friction, semi-rigid elastomeric material.
- the thermoplastic polyethylene material of the wearstrip 70 may be further defined as an ultra-high-molecular-weight polyethylene material (UHMWPE) for reducing friction as the closure member 24 moves along the wearstrip 70 .
- UHMWPE ultra-high-molecular-weight polyethylene material
- the wearstrip 70 may be an engineered thermoplastic material with UHMWPE particulates disposed therein.
- the wearstrip 70 may also be formed of a plurality of fibers within a matrix or coupled to an adhesive.
- the wearstrip 70 may be formed of extrusion grade polypropylene. It is to be appreciated that the wearstrip 70 may any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is to further be appreciated that any suitable polymeric material(s) may be utilized for the wearstrip 70 .
- the wearstrip 70 may be disposed along the interior base surface 54 and extend toward the first and second ends 42 , 44 . In such a configuration, the wearstrip 70 extends between the first and second legs 48 , 50 . The wearstrip 70 may also be disposed along at least one of the first and second interior leg surfaces 56 , 58 and extend toward the first and second ends 42 , 44 , as shown in FIG. 6 . In such a configuration, the wearstrip 70 extends between the base 46 and the adjacent one of the first and second sealing lips 64 , 66 .
- the wearstrip 70 may also be disposed along the abutment surface 68 of at least one of the first and second sealing lips 64 , 66 and extend toward the first and second ends 42 , 44 , as shown in FIG. 9 .
- the wearstrip 70 may be disposed anywhere along abutment surface 68 .
- the wearstrip 70 may face inwardly toward the channel 52 , outwardly away from the channel 52 , or both inwardly and outwardly.
- the wearstrip 70 may also extend continuously across multiple surfaces. As a non-limiting example, the wearstrip 70 extends along each of the first interior leg surface 56 and the abutment surface 68 as shown in FIG. 10 .
- the wearstrip 70 may extend along any of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 in any configuration.
- further discussions of the wearstrip 70 below refer to a singular wearstrip 70 disposed along one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 .
- multiple wearstrips 70 may be disposed along the body 40 and the at least one lip of the weatherstrip assembly 20 , it is to be appreciated that further description of the wearstrip 70 below is referring to a singular wearstrip 70 and the configuration of the singular wearstrip 70 .
- the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 may define a depression 72 .
- the wearstrip 70 is at least partially disposed within the depression 72 to facilitate adhesion between the wearstrip 70 and the at least one of the interior base surface 54 , the first and second interior leg surfaces 56 , 58 , and the abutment surface 68 .
- the depression 72 increases surface area contacting between the wearstrip 70 and the at least one of the interior base surface 54 , the first and second interior leg surfaces 56 , 58 , and the abutment surface 68 .
- the increase in surface area improves the adhesion between the wearstrip 70 and the at least one of the interior base surface 54 , the first and second interior leg surfaces 56 , 58 , and the abutment surface 68 .
- the wearstrip 70 has a plurality of alternating wear sections 74 and gaps 76 that define a series of alternating semi-rigid and flexible sections 78 , 80 , respectively.
- each wear section 74 corresponds to the semi-rigid sections 78 and each gap 76 corresponds to the flexible sections 80 .
- Each wear section 74 has first and second surfaces 82 , 84 and an engagement surface 86 extending between the first and second surfaces 82 , 84 .
- the first surface 82 of one of the wear sections 74 and the second surface 84 of an adjacent wear section 74 face each other to define the gap 76 .
- Each of the wear sections 74 are linearly disposed with the gaps 76 disposed between the wear sections 74 .
- Each of the gaps 76 may be further defined by the body 40 .
- the at least one of the interior base surface 54 , first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 extends between the first surface 82 of one of the wear sections 74 and the second surface 84 of an adjacent wear section 74 which face one another.
- the engagement surface 86 of the wear sections 74 may have a height T 1 from the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 with the height T 1 of the engagement surface 86 at least about 10 microns. More specifically, the height T 1 of the engagement surface 86 is measured from within the depression 72 . The height T 1 is great enough that the engagement surface 86 is disposed above and spaced from the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 .
- the engagement surfaces 86 of the wear sections 74 of the wearstrip 70 are substantially planar.
- the heights T 1 of the engagement surfaces 86 of each of the wear sections 74 are substantially equal.
- the substantially equal heights T 1 of the wear sections 74 promote sliding of the closure member 24 along the engagement surfaces 86 , as will be described in greater detail below.
- a range of heights T 1 have been provided, it is to be appreciated that the height T 1 may be less than 10 microns. It is to be further appreciated that the height T 1 of the engagement surface 86 may be any suitable height T 1 .
- the wearstrip 70 may have a width W transverse to the axis A.
- the wear sections 74 extend across the width W of the wearstrip 70 . Said differently, the wear sections 74 define the width W of the wearstrip 70 . Furthermore, the height T 1 of the engagement surface 86 of the wear sections 74 extends across the entire width W of the wearstrip 70 .
- each of the wear sections 74 may have a length L with each of the lengths L substantially equidistant. More specifically, the length L of each of the wear sections 74 is measured along the axis A. Furthermore, each of the gaps 76 have a spacing dimension X measured from the first surface 82 of one of the wear sections 74 to the second surface 84 of the adjacent wear section 74 which faces the opposing first surface 82 . The spacing dimensions X of the gaps 76 are substantially equidistant. The equidistant configuration of the wear sections 74 and the gaps 76 creates a repeating and congruent wear section 74 and adjacent gap 76 along the axis A.
- each of the wear sections 74 may have a rectangular configuration. More specifically, the first and second surfaces 82 , 84 may be disposed substantially perpendicular to the axis A. However, it is to be appreciated that the wear sections 74 may have any suitable shape or configuration.
- the body 40 and the at least one sealing lip 64 , 66 may have a first coefficient of friction and the wear sections 74 may have a second coefficient of friction.
- the second coefficient of friction is less than the first coefficient of friction for facilitating movement of the closure member 24 along the wearstrip 70 .
- the body 40 and the at least one sealing lip 64 , 66 may be formed of the EPDM material or any of the other suitable materials described above.
- the material of the body 40 and the at least one sealing lip 64 , 66 has a high coefficient of friction which may inhibit movement of the closure member 24 along the body 40 and the at least one sealing lip 64 , 66 .
- the wearstrip 70 may be formed of the thermoplastic polyethylene material or any of the other suitable materials described above.
- the material of the wearstrip 70 has a coefficient of friction lower than the body 40 and the at least one sealing lip 64 , 66 which promotes movement of the closure member 24 along the wearstrip 70 .
- the height T 1 of the wear sections 74 space the closure member 24 from the body 40 and the at least one sealing lip 64 , 66 , which have the higher coefficient of friction than the wearstrip 70 .
- the closure member 24 moves along the engagement surface 86 of the wearstrip 70 .
- the closure member 24 moves along at least one of the wear sections 74 toward an adjacent gap 76 .
- the closure member 24 remains at least partially disposed on the engagement surface 86 of the at least one wear section 74 and moves across the gap 76 . Since the height T 1 of the wear sections 74 are substantially equal, the closure member 24 moves across the gap 76 and slides along the next successive wear section 74 .
- the closure member 24 repetitiously moves along the wear sections 74 of the wearstrip 70 .
- the gaps 76 between the wear sections 74 reduce the contact between the wearstrip 70 and the closure member 24 .
- the reduction in contact between the closure member 24 and the wearstrip 70 reduces the friction between the closure member 24 and the wearstrip 70 , allowing the closure member 24 to slide more easily within the weatherstrip assembly 20 between the first and second positions.
- the alternating wear sections 74 and gaps 76 further reduce the cost to manufacture the weatherstrip assembly 20 .
- the alternating gaps 76 and wear sections 74 require less material to produce the wearstrip 70 .
- the reduction in material required for the wearstrip 70 reduces the overall cost of the weatherstrip assembly 20 .
- the gaps 76 promote flexing at the flexible sections 80 for facilitating mounting of the weatherstrip assembly 20 to the frame 22 .
- the alternating wear sections 74 and gaps 76 define the series of alternating semi-rigid and flexible sections 80 , respectively.
- the body 40 and the at least one sealing lip 64 , 66 may be formed of the EPDM material or any of the other suitable materials, as described above, and the wearstrip 70 may be formed of the thermoplastic polyethylene material or any of the other suitable materials, as described above.
- the material of the wearstrip 70 has a rigidity greater than a rigidity of the body 40 and the at least one wearstrip 70 .
- the semi-rigid sections 78 defined by the wear sections 74 reduces the flexibility of the weatherstrip assembly 20 at the wear sections 74 .
- the absence of the wearstrip 70 at the gaps 76 reduces the rigidity of the weatherstrip assembly 20 at the gaps 76 and creates localized areas of increased flexibility along the weatherstrip assembly 20 . Said differently, only the rigidity of the body 40 and the at least one sealing lip 64 , 66 affect the flexibility of the weatherstrip assembly 20 at the gaps 76 .
- the flexible sections 80 defined by the gaps 76 allow for lateral flexing of the weatherstrip assembly 20 .
- the weatherstrip assembly 20 may flex laterally about the first and second legs 48 , 50 .
- the weatherstrip assembly 20 may flex laterally about the base 46 .
- the flexible sections 80 defined by the gaps 76 allow for rotational flexing of the weatherstrip assembly 20 about the axis A. It is to be appreciated that the weatherstrip assembly 20 may flex in any combination of the above described directions. Furthermore, it is to be appreciated that the weatherstrip assembly 20 may flex in any direction which is facilitated by the flexible sections 80 defined by the gaps 76 .
- the flexing of the weatherstrip assembly 20 facilitates mounting of the weatherstrip assembly 20 to the frame 22 .
- the flexing of the weatherstrip assembly 20 allows the weatherstrip assembly 20 to contour along and mount to non-linear configurations of the frame 22 .
- flexing of the weatherstrip assembly 20 allows an installer to manipulate the weatherstrip assembly 20 in any way which increases the ease in which the weatherstrip assembly 20 is mounted to the frame 22 .
- the weatherstrip assembly 20 may be formed by a co-extrusion process in which two or more dissimilar materials are simultaneously extruded to form a final component.
- the body 40 , the at least one lip, the tabs 62 , and wearstrip 70 may be formed of dissimilar materials.
- the body 40 , the at least one lip, and the tabs 62 are formed through continual flow of material during the co-extrusion process. Since the wear sections 74 of the wearstrip 70 are spaced from one another at the gaps 76 , the wearstrip 70 is formed using a non-continuous co-extrusion. Said differently, the flow of material to form the wearstrip 70 is periodically stopped to form the gaps 76 between the wear sections 74 . It is to be appreciated that the weatherstrip assembly 20 may be formed by any suitable process.
- the subject invention also provides a method of producing the weatherstrip assembly 20 as described above and shown in FIGS. 3 , 4 , 6 , and 7 .
- the weatherstrip assembly 20 includes the body 40 extending along the axis A to the first and second opposing ends 42 , 44 .
- the body 40 has the base 46 , the first leg 48 extending from the base 46 , and the second leg 50 extending from the base 46 with the base 46 and the legs 48 , 50 defining the channel 52 .
- the weatherstrip assembly 20 further includes the exterior surface 60 disposed outside of the channel 52 , the interior base surface 54 disposed within the channel 52 along the base 46 , the first interior leg surface 56 disposed within the channel 52 along the first leg 48 , and the second interior leg surface 58 disposed within the channel 52 along the second leg 50 .
- the weatherstrip assembly 20 further includes the at least one sealing lip 64 , 66 having the abutment surface 68 .
- the weatherstrip assembly 20 includes the wearstrip 70 formed of the thermoplastic polyethylene material.
- the method includes the steps of extruding the body 40 between the first and second ends 42 , 44 and simultaneously extruding the at least one sealing lip 64 , 66 extending from at least one of the first and second legs 48 , 50 longitudinally along the body 40 between the first and second ends 42 , 44 .
- the method further includes the steps of extruding the wearstrip 70 along the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 between the first and second surfaces 82 , 84 and interrupting the extrusion of the wearstrip 70 while continuing the extrusion of the body 40 and the at least one sealing lip 64 , 66 to form the plurality of alternating wear sections 74 and gaps 76 that define the series of alternating semi-rigid and flexible sections 78 , 80 .
- the step of interrupting the extrusion of the wearstrip 70 may be further defined as temporarily stopping the extrusion of the wearstrip 70 such that the gaps 76 are defined by the body 40 .
- FIGS. 5 and 8 another embodiment of the weatherstrip assembly 120 for sealing between the frame 22 and the closure member 24 of the vehicle 26 , wherein like reference numerals increased by 100 indicate corresponding parts throughout the several views, is generally shown. Identical components discussed in the preceding embodiment of the assembly 20 have the same reference numerals in this embodiment and additional components of this embodiment have new reference numerals.
- the weatherstrip assembly 120 has a wearstrip 170 which may include a transition section 88 .
- the weatherstrip assembly 120 includes the body 40 extending along the axis A to the first and second opposing ends 42 , 44 .
- the axis A generally has a linear configuration; however, as will be described below, the axis A may have a non-linear configuration as a result of flexing of the weatherstrip assembly 120 .
- the body 40 has the base 46 , the first leg 48 extending from the base 46 , and the second leg 50 extending from the base 46 with the first and second legs 48 , 50 spaced from and extending substantially parallel to each other. Each of the first and second legs 48 , 50 extend to the distal end.
- the base 46 and the legs 48 , 50 define the channel 52 for receiving the closure member 24 .
- the channel 52 extends along the axis A between the first and second ends 42 , 44 .
- the base 46 and the first and second legs 48 , 50 have the substantially “U” configuration, as shown in FIG. 3 . It is to be appreciated that the base 46 and the first and second legs 48 , 50 may have any suitable configuration for defining the channel 52 .
- the body 40 includes the interior base surface 54 disposed within the channel 52 along the base 46 , the first interior leg surface 56 disposed within the channel 52 along the first leg 48 , and the second interior leg surface 58 disposed within the channel 52 along the second leg 50 .
- the body 40 further includes the exterior surface 60 disposed outside of the channel 52 .
- the exterior surface 60 opposes each of the interior base surface 54 , the first interior leg surface 56 , and the second interior leg surface 58 along the base 46 and the first and second legs 48 , 50 , respectively.
- the weatherstrip assembly 120 may further include the at least one tab 62 extending from the body 40 away from the channel 52 for coupling the weatherstrip to the frame 22 .
- the at least one tab 62 is further defined as the pair of tabs 62 with one of the pair of tabs 62 extending from the base 46 adjacent the first leg 48 and another one of the pair of tabs 62 extending from the base 46 adjacent the second leg 50 .
- the tabs 62 engage the frame 22 to couple the weatherstrip assembly 120 to the frame 22 .
- the weatherstrip assembly 120 includes the at least one sealing lip 64 , 66 having the abutment surface 68 with the sealing lip 64 , 66 extending from at least one of the first and second legs 48 , 50 for selectively engaging the closure member 24 .
- the at least one sealing lip 64 , 66 may be further defined as the first sealing lip 64 and the second sealing lip 66 with the first sealing lip 64 extending from the distal end of the first leg 48 and the second sealing lip 66 extending from the distal end of the second leg 50 .
- the at least one sealing lip 64 , 66 may be any number of sealing lips 64 , 66 .
- the abutment surface 68 extends around each of the first and second sealing lips 64 , 66 and selectively engages the closure member 24 .
- the first and second sealing lips 64 , 66 extend toward each other.
- the extension of the first and second sealing lips 64 , 66 toward each other facilitates engagement and sealing of each of the first and second sealing lips 64 , 66 against the closure member 24 at the abutment surface 68 .
- the first and second sealing lips 64 , 66 bias toward each other to further seal and guide the closure member 24 within the channel 52 .
- the first and second sealing lips 64 , 66 may be configured to extend into the channel 52 toward the base 46 of the body 40 . Such a configuration may be used within the body portion 32 of the door 30 , as shown in FIG. 1 .
- first and second sealing lips 64 , 66 may extend outwardly away from the channel 52 .
- first sealing lip 64 extends outwardly away from the channel 52 and the second sealing lip 66 extends inwardly into the channel 52 .
- the outward extension of the first sealing lip 64 promotes a smooth transition between the first sealing lip 64 and the closure member 24 , creating an aesthetically-pleasing appearance.
- Such a configuration may be used within the window 36 which is visible to an observer, as shown in FIG. 1 .
- the sealing lips 64 , 66 may have any configuration and may be disposed anywhere on the frame 22 .
- Each of the body 40 and the at least one sealing lip 64 , 66 may be comprised of the rubber material for sealing against the closure member 24 . More specifically, the rubber material of each of the body 40 and the at least one sealing lip 64 , 66 may be further defined as the EPDM rubber for sealing against the closure member 24 . Furthermore, the tabs 62 may be comprised of the rubber material or may be further defined as the EPDM rubber. It is to be appreciated that the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 may be formed of any semi-rigid elastomeric material including the Santoprene® thermoplastic elastomer (TPE) produced by ExxonMobil Chemical Company of Houston, Tex., and the like.
- TPE Santoprene® thermoplastic elastomer
- each of the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 may be formed of the cellular or sponge EPDM having a lower density and rigidity or any combination of materials.
- the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 may be any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is also to be appreciated that different combinations of materials may be disposed in varying locations within the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 . It is to further be appreciated that any suitable polymeric material(s) may be used for the body 40 , the at least one sealing lip 64 , 66 , and the tabs 62 .
- the weatherstrip assembly 120 includes the wearstrip 170 disposed along and extending from at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 with the wearstrip 170 formed of a thermoplastic polyethylene material for reducing friction as the closure member 24 moves relative to the weatherstrip assembly 120 .
- the thermoplastic polyethylene material is a low friction, semi-rigid elastomeric material.
- the thermoplastic polyethylene material of the wearstrip 170 may be further defined as an ultra-high-molecular-weight polyethylene material (UHMWPE) for reducing friction as the closure member 24 moves along the wearstrip 170 .
- UHMWPE ultra-high-molecular-weight polyethylene material
- the wearstrip 170 may be an engineered thermoplastic material with UHMWPE particulates disposed therein.
- the wearstrip 170 may also be formed of a plurality of fibers within a matrix or coupled to an adhesive.
- the wearstrip 70 may be formed of extrusion grade polypropylene. It is to be appreciated that the wearstrip 170 may any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is to further be appreciated that any suitable polymeric material(s) can be utilized for the wearstrip 170 .
- the wearstrip 170 may be disposed along the interior base surface 54 and extend toward the first and second ends 42 , 44 . In such a configuration, the wearstrip 170 extends between the first and second legs 48 , 50 . The wearstrip 170 may also be disposed along at least one of the first and second interior leg surfaces 56 , 58 and extend toward the first and second ends 42 , 44 , as shown in FIG. 6 . In such a configuration, the wearstrip 170 extends between the base 46 and the adjacent one of the first and second sealing lips 64 , 66 .
- the wearstrip 170 may also be disposed along the abutment surface 68 of at least one of the first and second sealing lips 64 , 66 and extend toward the first and second ends 42 , 44 , as shown in FIG. 9 .
- the wearstrip 170 may be disposed anywhere along abutment surface 68 .
- the wearstrip 170 may face inwardly toward the channel 52 , outwardly away from the channel 52 , or both inwardly and outwardly.
- the wearstrip 170 may also extend continuously across multiple surfaces. As a non-limiting example, the wearstrip 170 extends along each of the first interior leg surface 56 and the abutment surface 68 as shown in FIG. 10 .
- the wearstrip 170 may extend along any of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 in any configuration.
- further discussions of the wearstrip 170 below refer to a singular wearstrip 170 disposed along one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 .
- wearstrips 170 may be disposed along the body 40 and the at least one lip 64 , 66 of the weatherstrip assembly 120 , it is to be appreciated that further description of the wearstrip 170 below is referring to a singular wearstrip 170 and the configuration of the singular wearstrip 170 .
- the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 may define the depression 72 .
- the wearstrip 170 is at least partially disposed within the depression 72 to facilitate adhesion between the wearstrip 170 and the at least one of the interior base surface 54 , the first and second interior leg surfaces 56 , 58 , and the abutment surface 68 .
- the depression 72 increases surface area contacting between the wearstrip 170 and the at least one of the interior base surface 54 , the first and second interior leg surfaces 56 , 58 , and the abutment surface 68 .
- the increase in surface area improves the adhesion between the wearstrip 170 and the at least one of the interior base surface 54 , the first and second interior leg surfaces 56 , 58 , and the abutment surface 68 .
- the wearstrip 170 has a plurality of alternating wear sections 174 and gaps 176 that define a series of alternating semi-rigid and flexible sections 178 , 180 , respectively.
- each wear section 174 corresponds to the semi-rigid sections 178 and each gap 176 corresponds to the flexible sections 180 .
- Each wear section 174 has first and second surfaces 182 , 184 and an engagement surface 186 extending between the first and second surfaces 182 , 184 .
- the first surface 182 of one of the wear sections 174 and the second surface 184 of an adjacent wear section 174 face each other to define the gap 176 .
- Each of the wear sections 174 are linearly disposed with the gaps 176 disposed between the wear sections 174 .
- Each of the gaps 176 may be further defined by the body 40 .
- the at least one of the interior base surface 54 , first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 extends between the first surface 182 of one of the wear sections 174 and the second surface 184 of an adjacent wear section 174 which face one another.
- the wearstrip 170 may include the transition section 88 disposed in each of the gaps 176 between the wear sections 174 .
- the transition section 88 extends from the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 .
- the engagement surface 186 of the wear sections 174 may have a first height T 1 from the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 .
- the transition section 88 may have a transition surface 90 having a second height T 2 from the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 .
- the first height T 1 of the engagement surface 186 is greater than the second height T 2 of the transition surface 90 for reducing contact and friction between the closure member 24 and the wearstrip 170 , as will be described in greater detail below.
- the first height T 1 of the engagement surface 186 of the wear section 174 is at least about 10 microns.
- the second height T 2 of the transition surface 90 of the transition section 88 is less than the first height T 1 . More specifically, the first height T 1 of the engagement surface 186 and the second height T 2 of the transition surface 90 are measured from within the depression 72 .
- the first height T 1 is great enough that the engagement surface 186 is disposed above and spaced from the transition surface 90 .
- the engagement surfaces 186 of the wear sections 174 of the wearstrip 170 are substantially planar. Said differently, the first heights T 1 of the engagement surfaces 186 of each of the wear sections 174 are substantially equal. Likewise, the transition surfaces 90 of the transition sections 88 are substantially planar.
- the second heights T 2 of the transition surfaces 90 of each of the transition sections 88 are substantially equal.
- the substantially equal heights of the wear sections 174 promote sliding of the closure member 24 along the engagement surfaces 186 , as will be described in greater detail below.
- first height T 1 may be less than 10 microns.
- first height T 1 of the engagement surface 186 may be any suitable height.
- second height T 2 of the engagement surface 186 may be any suitable height as long as the second height T 2 of the transition surface 90 is less than the first height T 1 of the engagement surface 186 .
- the wearstrip 170 may have a width W transverse to the axis A.
- the wear sections 174 extend across the width W of the wearstrip 170 .
- the wear sections 174 define the width W of the wearstrip 170 .
- the first height T 1 of the engagement surface 186 of the wear sections 174 and the second height T 2 of the transition surface 90 of the transition sections 88 extends across the entire width W of the wearstrip 170 .
- each of the wear sections 174 may have a length L with each of the lengths L substantially equidistant. More specifically, the length L of each of the wear sections 174 is measured along the axis A. Furthermore, each of the gaps 176 have a spacing dimension X measured from the first surface 182 of one of the wear sections 174 to the second surface 184 of the adjacent wear section 174 which faces the opposing first surface 182 .
- the transition sections 88 have a length dimension Y equal to the spacing dimension of the gaps 176 .
- Each of the spacing dimensions X of the gaps 176 and the length dimensions Y of the transition sections 88 are substantially equidistant.
- the equidistant configuration of the wear sections 174 and the overlapping gaps 176 and transition sections 88 creates a repeating and congruent wear section 174 and adjacent overlapping gap 176 and transition section 88 along the axis A.
- each of the wear sections 174 may have a rectangular configuration. More specifically, the first and second surfaces 182 , 184 may be disposed substantially perpendicular to the axis A. However, it is to be appreciated that the wear sections 174 may have any suitable shape or configuration. Similarly, each of the transition sections 88 may have a rectangular configuration. However, it is to be appreciated that the transitions sections may have any suitable shape or configuration.
- the body 40 and the at least one sealing lip 64 , 66 may have a first coefficient of friction and the wear sections 174 may have a second coefficient of friction.
- the second coefficient of friction is less than the first coefficient of friction for facilitating movement of the closure member 24 along the wearstrip 170 .
- the body 40 and the at least one sealing lip 64 , 66 may be formed of the EPDM material or any of the other suitable materials described above.
- the material of the body 40 and the at least one sealing lip 64 , 66 has a high coefficient of friction which may inhibit movement of the closure member 24 along the body 40 and the at least one sealing lip 64 , 66 .
- the wearstrip 170 may be formed of the thermoplastic polyethylene material or any of the other suitable materials described above.
- the material of the wearstrip 170 has a coefficient of friction lower than the body 40 and the at least one sealing lip 64 , 66 which promotes movement of the closure member 24 along the wearstrip 170 .
- the first height T 1 of the wear sections 174 space the closure member 24 from the body 40 and the at least one sealing lip 64 , 66 , which have the higher coefficient of friction than the wearstrip 170 .
- the closure member 24 moves along the engagement surface 186 of the wearstrip 170 .
- the closure member 24 moves along at least one of the wear sections 174 toward an adjacent gap 176 and transition section 88 .
- the closure member 24 remains at least partially disposed on the engagement surface 186 of the at least one wear section 174 and moves across the gap 176 . Since the first height T 1 of the wear sections 174 are substantially equal, the closure member 24 moves across the gap 176 and over the lower second height T 2 of the transition sections 88 and slides along the next successive wear section 174 .
- the closure member 24 repetitiously moves along the wear sections 174 of the wearstrip 170 .
- the gaps 176 and the transition sections 88 having the lower height between the wear sections 174 reduce the contact between the wearstrip 170 and the closure member 24 .
- the reduction in contact between the closure member 24 and the wearstrip 170 reduces the friction between the closure member 24 and the wearstrip 170 , allowing the closure member 24 to slide more easily within the weatherstrip assembly 120 between the first and second positions.
- the lower second heights T 2 of the transition sections 88 require less material than the higher first heights T 1 of the wear sections 174 .
- the reduction in material required for the wearstrip 170 reduces the overall cost of the weatherstrip assembly 120 .
- the gaps 176 promote flexing at the flexible sections 180 for facilitating mounting of the weatherstrip assembly 120 to the frame 22 . More specifically, the transition sections 88 having the lower second height T 2 disposed in the gaps 176 promote flexing at the flexible sections 180 for facilitating mounting of the weatherstrip assembly 120 to the frame 22
- the alternating wear sections 174 and gaps 176 define the series of alternating semi-rigid and flexible sections 180 , respectively.
- the body 40 and the at least one sealing lip 64 , 66 may be formed of the EPDM material or any of the other suitable materials, as described above, and the wearstrip 170 may be formed of the thermoplastic polyethylene material or any of the other suitable materials, as described above.
- the material of the wearstrip 170 has a rigidity greater than a rigidity of the body 40 and the at least one wearstrip 170 .
- the semi-rigid sections 178 defined by the wear sections 174 reduces the flexibility of the weatherstrip assembly 120 at the wear sections 174 .
- the transition sections 88 within the gaps 176 have the second height T 2 which is lower than the first height T 1 of the wear sections 174 .
- the lower second height T 2 reduces the rigidity of the transition sections 88 which reduces the rigidity of the weatherstrip assembly 120 at the gaps 176 , creating localized areas of increased flexibility along the weatherstrip assembly 120 .
- the flexible sections 180 defined by the gaps 176 allow for lateral flexing of the weatherstrip assembly 120 .
- the weatherstrip assembly 120 may flex laterally about the first and second legs 48 , 50 .
- the weatherstrip assembly 120 may flex laterally about the base 46 .
- the flexible sections 180 defined by the gaps 176 allow for rotational flexing of the weatherstrip assembly 120 about the axis A. It is to be appreciated that the weatherstrip assembly 120 may flex in any combination of the above described directions. Furthermore, it is to be appreciated that the weatherstrip assembly 120 may flex in any direction which is facilitated by the flexible sections 180 defined by the gaps 176 .
- the flexing of the weatherstrip assembly 120 facilitates mounting of the weatherstrip assembly 120 to the frame 22 .
- the flexing of the weatherstrip assembly 120 allows the weatherstrip assembly 120 to contour along and mount to non-linear configurations of the frame 22 .
- flexing of the weatherstrip assembly 120 allows an installer to manipulate the weatherstrip assembly 120 in any way which increases the ease in which the weatherstrip assembly 120 is mounted to the frame 22 .
- the weatherstrip assembly 120 may be formed by a co-extrusion process in which two or more dissimilar materials are simultaneously extruded to form a final component.
- the body 40 , the at least one lip 64 , 66 , the tabs 62 , and wearstrip 170 may be formed of dissimilar materials.
- the body 40 , the at least one lip 64 , 66 , and the tabs 62 are formed through continual flow of material during the co-extrusion process.
- the wearstrip 170 Since the wear sections 174 of the wearstrip 170 are spaced from one another at the gaps 176 , the wearstrip 170 is formed using a non-continuous co-extrusion; however, instead of completely stopping the flow of material to form the gaps 176 between the wear sections 174 , the flow of material is significantly reduced to alternately form the second height T 2 of the transition surface 90 of the transition section 88 which is lower than the first height T 1 of the engagement surface 186 of the wear sections 174 . It is to be appreciated that the weatherstrip assembly 120 can be formed by any suitable process.
- the subject invention also provides a method of producing the weatherstrip assembly 120 as described above and shown in FIGS. 3 , 5 , 6 , and 8 .
- the weatherstrip assembly 120 includes the body 40 extending along the axis A to the first and second opposing ends 42 , 44 .
- the body 40 has the base 46 , the first leg 48 extending from the base 46 , and the second leg 50 extending from the base 46 with the base 46 and the legs 48 , 50 defining the channel 52 .
- the weatherstrip assembly 120 further includes the exterior surface 60 disposed outside of the channel 52 , the interior base surface 54 disposed within the channel 52 along the base 46 , the first interior leg surface 56 disposed within the channel 52 along the first leg 48 , and the second interior leg surface 58 disposed within the channel 52 along the second leg 50 .
- the weatherstrip assembly 120 further includes the at least one sealing lip 64 , 66 having the abutment surface 68 .
- the weatherstrip assembly 120 includes the wearstrip 170 formed of the thermoplastic polyethylene material.
- the method includes the steps of extruding the body 40 between the first and second ends 42 , 44 and simultaneously extruding the at least one sealing lip 64 , 66 extending from at least one of the first and second legs 48 , 50 longitudinally along the body 40 between the first and second ends 42 , 44 .
- the method further includes the steps of extruding the wearstrip 170 along the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 between the first and second surfaces 182 , 184 and interrupting the extrusion of the wearstrip 170 while continuing the extrusion of the body 40 and the at least one sealing lip 64 , 66 to form the plurality of alternating wear sections 174 and gaps 176 that define the series of alternating semi-rigid and flexible sections 178 , 180 .
- the wearstrip 170 further includes the transition section 88 disposed in each of the gaps 176 as described above. Therefore, the step of interrupting the extrusion of the wearstrip 170 is further defined as simultaneously extruding the transition section 88 in the gaps 176 during the interruption.
- each wear section 174 has the engagement surface 186 having the first height T 1 from the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68
- the transition section 88 has the transition surface 90 having the second height T 2 from the at least one of the interior base surface 54 , the first interior leg surface 56 , the second interior leg surface 58 , and the abutment surface 68 with the first height T 1 greater than the second height T 2 . Therefore, the step of simultaneously extruding the transition section 88 in the gaps 176 during the interruption is further defined as simultaneously extruding the transition section 88 in the gaps 176 during the interruption at the second height T 2 .
Abstract
Description
- This application claims priority to and all advantages of U.S. Provisional Patent Application No. 61/716,953, which was filed on Oct. 22, 2012, the disclosure of which is specifically incorporated by reference.
- 1. Field of the Invention
- The subject invention relates to a weatherstrip assembly for a vehicle.
- 2. Description of Related Art
- Weatherstrip assemblies are used within many industries to provide a seal between multiple components capable of moving relative to one another. In one example, the weatherstrip assembly is used in a vehicle to seal between a door which defines a window opening, and a glass capable of sliding relative to the door to selectively close the window opening. The weatherstrip assembly typically includes a body portion defining a slot for receiving the glass and a seal member for abutting and sealing against the glass. The weatherstrip assembly typically includes a wear portion disposed in the channel and extending longitudinally along the weatherstrip assembly. The wear portion is typically comprised of a low-friction, rigid material, such as high durometer rubber or felt flocking. The wear portion extends continuously along the weatherstrip assembly.
- The material from which the wear portion is formed is typically more rigid than the body portion and the seal member in order to extend the life of the wear portion as the glass repeatedly slides along the wear portion. The high rigidity makes the weatherstrip assembly more difficult to manipulate when mounting the weatherstrip assembly to the door. While the wear portion is low-friction, there is a continual desire in the industry to further reduce the friction between the wear portion and the glass. Therefore, there remains an opportunity to develop an improved weatherstrip assembly for a vehicle.
- The subject invention provides for a weatherstrip assembly for sealing between a frame and a closure member of a vehicle. The weatherstrip assembly includes a body extending along an axis to first and second opposing ends. The body has a base, a first leg extending from the base, and a second leg extending from the base with the first and second legs spaced from and extending substantially parallel to each other, and the base and the legs defining a channel for receiving the closure member. The body further includes an exterior surface disposed outside of the channel, an interior base surface disposed within the channel along the base, a first interior leg surface disposed within the channel along the first leg, and a second interior leg surface disposed within the channel along the second leg. The weatherstrip assembly further includes at least one sealing lip having an abutment surface with the sealing lip extending from at least one of the first and second legs for selectively engaging the closure member. The weatherstrip assembly further includes a wearstrip disposed along and extending from at least one of the interior base surface, the first interior leg surface, the second interior leg surface, and the abutment surface. The wearstrip is formed of a thermoplastic polyethylene material for reducing friction as the closure member moves relative to the weatherstrip assembly. The wearstrip has a plurality of alternating wear sections and gaps that define a series of alternating semi-rigid and flexible sections, respectively, with each wear section having first and second surfaces and an engagement surface extending between the first and second surfaces. The first surface of one of the wear sections and the second surface of an adjacent wear section face each other to define the gap with the gaps promoting flexing at the flexible sections for facilitating mounting of the weatherstrip assembly to the frame.
- The subject invention further provides for a method of producing the weatherstrip assembly as described above. The weatherstrip assembly includes the body extending along the axis to the first and second opposing ends. The body has the base, the first leg extending from the base, and the second leg extending from the base with the base and the legs defining the channel. The weatherstrip assembly further includes the exterior surface disposed outside of the channel, the interior base surface disposed within the channel along the base, the first interior leg surface disposed within the channel along the first leg, and the second interior leg surface disposed within the channel along the second leg. The weatherstrip assembly further includes at least one sealing lip having the abutment surface. Furthermore, the weatherstrip assembly includes the wearstrip formed of the thermoplastic polyethylene material. The method includes the steps of extruding the body between the first and second ends and simultaneously extruding the at least one sealing lip extending from at least one of the first and second legs longitudinally along the body between the first and second ends. The method further includes the steps of extruding the wearstrip along at least one of the interior base surface, the first interior leg surface, the second interior leg surface, and the abutment surface between the first and second surfaces and interrupting the extrusion of the wearstrip while continuing the extrusion of the body and the at least one sealing lip to form the plurality of alternating wear sections and gaps that define the series of alternating semi-rigid and flexible sections.
- Accordingly, the flexing of the weatherstrip assembly facilitates mounting of the weatherstrip assembly to the frame. Specifically, the flexing of the weatherstrip assembly allows the weatherstrip assembly to contour along and mount to non-linear configurations of the frame and allows an installer to manipulate the weatherstrip assembly in any way which increases the ease in which the weatherstrip assembly is mounted to the frame. Additionally, the gaps between the wear sections reduce contact between the wearstrip and the closure member which reduces the friction between the closure member and the wearstrip allowing the closure member to slide more easily within the weatherstrip assembly. Furthermore, the alternating wear sections and gaps require less material to produce the wearstrip which reduces the cost to manufacture the weatherstrip assembly.
- Advantages of the subject invention will be readily appreciated as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings.
-
FIG. 1 is a perspective view of a vehicle having a weatherstrip assembly. -
FIG. 2 is a perspective view of the weatherstrip assembly. -
FIG. 3 is a lateral cross-sectional view of the weatherstrip assembly including a body having a base and including a wearstrip disposed on the base. -
FIG. 4 is a longitudinal cross-sectional view of the weatherstrip assembly shown inFIG. 3 , with the weatherstrip assembly including the wearstrip having a plurality of alternating wear sections and gaps with the gaps partially defined by the body. -
FIG. 5 is a longitudinal cross-sectional view of the weatherstrip assembly shown inFIG. 3 , the weatherstrip assembly including a wearstrip having a plurality of alternating wear sections and gaps and having a transition section disposed in each of the gaps. -
FIG. 6 is a lateral cross-sectional view of a weatherstrip assembly having a body which has a base and first and second legs, the weatherstrip assembly including wearstrips disposed on the base and the first leg. -
FIG. 7 is a longitudinal cross-sectional view of the weatherstrip assembly shown inFIG. 6 , the weatherstrip assembly including the wearstrips each having a plurality of alternating wear sections and gaps with the gaps partially defined by the body. -
FIG. 8 is a longitudinal cross-sectional view of the weatherstrip assembly shown inFIG. 6 , the weatherstrip assembly including the wearstrips each having a plurality of alternating wear sections and gaps and having a transition section disposed in each of the gaps. -
FIG. 9 is a lateral cross-sectional view of a weatherstrip assembly having a body which has a base and a pair of sealing lips, the weatherstrip assembly including wearstrips disposed on the base and the sealing lips. -
FIG. 10 is a lateral cross-sectional view of a weatherstrip assembly having a body which has a base, first and second legs, and a pair of sealing lips, the weatherstrip assembly including wearstrips disposed on the base, the first leg, and the sealing lips. -
FIG. 11 is perspective view of a weatherstrip assembly including a body having a base with the weatherstrip assembly laterally flexed relative to the base. -
FIG. 12 is perspective view of the weatherstrip assembly including the body having first and second legs with the weatherstrip assembly laterally flexed relative to the first and second legs. -
FIG. 13 is perspective view of the weatherstrip assembly rotationally flexed about an axis. -
FIG. 14 is a longitudinal cross-sectional view of a weatherstrip assembly, including a wearstrip having a plurality of wear sections, and a closure member, with the closure member disposed along one of the wear sections. -
FIG. 15 is a longitudinal cross-sectional view of the weatherstrip assembly, including the wearstrip having the plurality of wear sections, and the closure member, with the closure member disposed along three of the wear sections. -
FIG. 16 is a longitudinal cross-sectional view of the weatherstrip assembly, including the wearstrip having the plurality of wear sections, and the closure member, with the closure member disposed along four of the wear sections. - Referring to the Figures, wherein like numerals indicate like or corresponding parts throughout the several views, a
weatherstrip assembly 20 for sealing between aframe 22 and aclosure member 24 of avehicle 26 is generally shown inFIG. 1 . Thevehicle 26 is typically a passenger car or a truck. However, it is to be appreciated that thevehicle 26 may be any configuration for providing transportation. Thevehicle 26 may include avehicle body 28 and a plurality ofdoors 30 pivotally coupled to thevehicle body 28. However, it is to be appreciated that thedoors 30 may be coupled to and movable relative to thevehicle body 28 in any configuration. - The
frame 22 may be further defined as thedoor 30. Specifically, as shown inFIG. 1 , thedoor 30 has abody portion 32 and awindow frame 34 with thewindow frame 34 extending outwardly and substantially planar to thebody portion 32 and with thebody portion 32 and thewindow frame 34 defining awindow 36. Alternatively, theframe 22 may be further defined as thebody portion 32 of thedoor 30 and thevehicle body 28, with thewindow 36 partially defined by thebody portion 32 of thedoor 30 and partially defined by thevehicle body 28. Such a configuration is typically referred to as a “frameless door window.” It is to be appreciated that theframe 22 may be configured in any way in which at least one of thedoor 30 and thevehicle body 28 at least partially defines thewindow 36. - The
closure member 24 may be further defined as aglass pane 38. Theglass pane 38 is movable relative to thedoor 30 between a first position and a second position. More specifically, theglass pane 38 moves planar to thedoor 30. In the first position, theglass pane 38 is disposed entirely outside of thewindow 36. Said differently, theglass pane 38 is disposed entirely within thebody portion 32 of thedoor 30. In the second position, theglass pane 38 is disposed at least partially within thewindow 36. In the second position, theglass pane 38 may be disposed within thewindow 36 such that theglass pane 38 entirely closes thewindow 36. It is to be appreciated that the second position may refer to any position of theglass pane 38 in which theglass pane 38 is disposed within thewindow 36. It is to be further appreciated that theclosure member 24 may be any component of thevehicle 26 movable relative to at least one of thedoor 30 and thevehicle body 28, including, but not limited to, thedoor 30, a hood, or a trunk lid. - As shown in
FIG. 1 , theweatherstrip assembly 20 may extend from within thebody portion 32 of thedoor 30 into thewindow 36. Theweatherstrip assembly 20 may be fully disposed within thebody portion 32 of thedoor 30. Alternatively, theweatherstrip assembly 20 may be fully disposed within thewindow 36. It is to be appreciated that theweatherstrip assembly 20 may be disposed in any configuration relative to thewindow 36 and thebody portion 32 of thedoor 30. - As shown in
FIG. 2 , theweatherstrip assembly 20 includes abody 40 extending along an axis A to first and second opposing ends 42, 44. The axis A generally has a linear configuration; however, as will be described below, the axis A may have a non-linear configuration as a result of flexing of theweatherstrip assembly 20. As shown inFIGS. 3 and 6 , thebody 40 has abase 46, afirst leg 48 extending from thebase 46, and asecond leg 50 extending from the base 46 with the first andsecond legs second legs base 46 and thelegs channel 52 for receiving theclosure member 24. Thechannel 52 extends along the axis A between the first and second ends 42, 44. Thebase 46 and the first andsecond legs FIG. 3 . It is to be appreciated that thebase 46 and the first andsecond legs channel 52. - The
body 40 includes aninterior base surface 54 disposed within thechannel 52 along thebase 46, a firstinterior leg surface 56 disposed within thechannel 52 along thefirst leg 48, and a secondinterior leg surface 58 disposed within thechannel 52 along thesecond leg 50. Thebody 40 further includes anexterior surface 60 disposed outside of thechannel 52. Theexterior surface 60 opposes each of theinterior base surface 54, the firstinterior leg surface 56, and the secondinterior leg surface 58 along thebase 46 and the first andsecond legs - The
weatherstrip assembly 20 may further include at least onetab 62 extending from thebody 40 away from thechannel 52 for coupling the weatherstrip to theframe 22. As shown inFIGS. 3 and 6 , the at least onetab 62 is further defined as a pair oftabs 62 with one of the pair oftabs 62 extending from the base 46 adjacent thefirst leg 48 and another one of the pair oftabs 62 extending from the base 46 adjacent thesecond leg 50. Thetabs 62 engage theframe 22 to couple theweatherstrip assembly 20 to theframe 22. - The
weatherstrip assembly 20 includes at least one sealinglip abutment surface 68 with the sealinglip second legs closure member 24. More specifically, the at least one sealinglip first sealing lip 64 and asecond sealing lip 66 with the first sealinglip 64 extending from the distal end of thefirst leg 48 and thesecond sealing lip 66 extending from the distal end of thesecond leg 50. It is to be appreciated that the at least one sealinglip lips abutment surface 68 extends around each of the first and second sealinglips closure member 24. - As shown in
FIGS. 3 and 6 , the first and second sealinglips lips lips closure member 24 at theabutment surface 68. The first and second sealinglips closure member 24 within thechannel 52. As shown inFIG. 3 , the first and second sealinglips channel 52 toward thebase 46 of thebody 40. Such a configuration may be used within thebody portion 32 of thedoor 30, as shown inFIG. 1 . Alternatively, at least one of the first and second sealinglips channel 52. As shown inFIG. 6 , the first sealinglip 64 extends outwardly away from thechannel 52 and thesecond sealing lip 66 extends inwardly into thechannel 52. The outward extension of the first sealinglip 64 promotes a smooth transition between the first sealinglip 64 and theclosure member 24, creating an aesthetically-pleasing appearance. Such a configuration may be used within thewindow 36 which is visible to an observer, as shown inFIG. 1 . It is to be appreciated that the sealinglips frame 22. - Each of the
body 40 and the at least one sealinglip closure member 24. More specifically, the rubber material of each of thebody 40 and the at least one sealinglip closure member 24. Furthermore, thetabs 62 may be comprised of a rubber material or may be further defined as an EPDM rubber. It is to be appreciated that thebody 40, the at least one sealinglip tabs 62 may be formed of any semi-rigid elastomeric material including Santoprene® thermoplastic elastomer (TPE) produced by ExxonMobil Chemical Company of Houston, Tex., and the like. It is also to be appreciated that each of thebody 40, the at least one sealinglip tabs 62 may be formed of a cellular or sponge EPDM having a lower density and rigidity or any combination of materials. In addition, it is to be appreciated that thebody 40, the at least one sealinglip tabs 62 may be any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is also to be appreciated that different combinations of materials may be disposed in varying locations within thebody 40, the at least one sealinglip tabs 62. It is to further be appreciated that any suitable polymeric material(s) may be used for thebody 40, the at least one sealinglip tabs 62. - As shown in
FIGS. 3 and 4 , theweatherstrip assembly 20 includes awearstrip 70 disposed along and extending from at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 with thewearstrip 70 formed of a thermoplastic polyethylene material for reducing friction as theclosure member 24 moves relative to theweatherstrip assembly 20. The thermoplastic polyethylene material is a low friction, semi-rigid elastomeric material. The thermoplastic polyethylene material of thewearstrip 70 may be further defined as an ultra-high-molecular-weight polyethylene material (UHMWPE) for reducing friction as theclosure member 24 moves along thewearstrip 70. Furthermore, thewearstrip 70 may be an engineered thermoplastic material with UHMWPE particulates disposed therein. Thewearstrip 70 may also be formed of a plurality of fibers within a matrix or coupled to an adhesive. In addition, thewearstrip 70 may be formed of extrusion grade polypropylene. It is to be appreciated that thewearstrip 70 may any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is to further be appreciated that any suitable polymeric material(s) may be utilized for thewearstrip 70. - As shown in
FIG. 3 , thewearstrip 70 may be disposed along theinterior base surface 54 and extend toward the first and second ends 42, 44. In such a configuration, thewearstrip 70 extends between the first andsecond legs wearstrip 70 may also be disposed along at least one of the first and second interior leg surfaces 56, 58 and extend toward the first and second ends 42, 44, as shown inFIG. 6 . In such a configuration, thewearstrip 70 extends between the base 46 and the adjacent one of the first and second sealinglips wearstrip 70 may also be disposed along theabutment surface 68 of at least one of the first and second sealinglips FIG. 9 . In such a configuration, thewearstrip 70 may be disposed anywhere alongabutment surface 68. Thewearstrip 70 may face inwardly toward thechannel 52, outwardly away from thechannel 52, or both inwardly and outwardly. Thewearstrip 70 may also extend continuously across multiple surfaces. As a non-limiting example, thewearstrip 70 extends along each of the firstinterior leg surface 56 and theabutment surface 68 as shown inFIG. 10 . It is to be appreciated that thewearstrip 70 may extend along any of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 in any configuration. For the sake of simplicity, further discussions of thewearstrip 70 below refer to asingular wearstrip 70 disposed along one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68. Said differently, althoughmultiple wearstrips 70 may be disposed along thebody 40 and the at least one lip of theweatherstrip assembly 20, it is to be appreciated that further description of thewearstrip 70 below is referring to asingular wearstrip 70 and the configuration of thesingular wearstrip 70. - As shown in
FIGS. 3 , 6, 9, and 10, the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 may define adepression 72. Thewearstrip 70 is at least partially disposed within thedepression 72 to facilitate adhesion between thewearstrip 70 and the at least one of theinterior base surface 54, the first and second interior leg surfaces 56, 58, and theabutment surface 68. Said differently, thedepression 72 increases surface area contacting between thewearstrip 70 and the at least one of theinterior base surface 54, the first and second interior leg surfaces 56, 58, and theabutment surface 68. The increase in surface area improves the adhesion between thewearstrip 70 and the at least one of theinterior base surface 54, the first and second interior leg surfaces 56, 58, and theabutment surface 68. - As shown in
FIGS. 4 and 7 , thewearstrip 70 has a plurality of alternatingwear sections 74 andgaps 76 that define a series of alternating semi-rigid andflexible sections wear section 74 corresponds to thesemi-rigid sections 78 and eachgap 76 corresponds to theflexible sections 80. Eachwear section 74 has first andsecond surfaces engagement surface 86 extending between the first andsecond surfaces first surface 82 of one of thewear sections 74 and thesecond surface 84 of anadjacent wear section 74 face each other to define thegap 76. Each of thewear sections 74 are linearly disposed with thegaps 76 disposed between thewear sections 74. - Each of the
gaps 76 may be further defined by thebody 40. Said differently, the at least one of theinterior base surface 54, firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 extends between thefirst surface 82 of one of thewear sections 74 and thesecond surface 84 of anadjacent wear section 74 which face one another. - The
engagement surface 86 of thewear sections 74 may have a height T1 from the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 with the height T1 of theengagement surface 86 at least about 10 microns. More specifically, the height T1 of theengagement surface 86 is measured from within thedepression 72. The height T1 is great enough that theengagement surface 86 is disposed above and spaced from the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68. The engagement surfaces 86 of thewear sections 74 of thewearstrip 70 are substantially planar. Said differently, the heights T1 of the engagement surfaces 86 of each of thewear sections 74 are substantially equal. The substantially equal heights T1 of thewear sections 74 promote sliding of theclosure member 24 along the engagement surfaces 86, as will be described in greater detail below. Although a range of heights T1 have been provided, it is to be appreciated that the height T1 may be less than 10 microns. It is to be further appreciated that the height T1 of theengagement surface 86 may be any suitable height T1. - As shown in
FIGS. 6 and 7 , thewearstrip 70 may have a width W transverse to the axis A. Thewear sections 74 extend across the width W of thewearstrip 70. Said differently, thewear sections 74 define the width W of thewearstrip 70. Furthermore, the height T1 of theengagement surface 86 of thewear sections 74 extends across the entire width W of thewearstrip 70. - As shown in
FIGS. 4 and 7 , each of thewear sections 74 may have a length L with each of the lengths L substantially equidistant. More specifically, the length L of each of thewear sections 74 is measured along the axis A. Furthermore, each of thegaps 76 have a spacing dimension X measured from thefirst surface 82 of one of thewear sections 74 to thesecond surface 84 of theadjacent wear section 74 which faces the opposingfirst surface 82. The spacing dimensions X of thegaps 76 are substantially equidistant. The equidistant configuration of thewear sections 74 and thegaps 76 creates a repeating andcongruent wear section 74 andadjacent gap 76 along the axis A. - As shown in
FIG. 7 , each of thewear sections 74 may have a rectangular configuration. More specifically, the first andsecond surfaces wear sections 74 may have any suitable shape or configuration. - The
body 40 and the at least one sealinglip wear sections 74 may have a second coefficient of friction. The second coefficient of friction is less than the first coefficient of friction for facilitating movement of theclosure member 24 along thewearstrip 70. More specifically, as described above, thebody 40 and the at least one sealinglip body 40 and the at least one sealinglip closure member 24 along thebody 40 and the at least one sealinglip wearstrip 70 may be formed of the thermoplastic polyethylene material or any of the other suitable materials described above. The material of thewearstrip 70 has a coefficient of friction lower than thebody 40 and the at least one sealinglip closure member 24 along thewearstrip 70. Further, the height T1 of thewear sections 74 space theclosure member 24 from thebody 40 and the at least one sealinglip wearstrip 70. - As the
closure member 24 moves between the first position and the second position, theclosure member 24 moves along theengagement surface 86 of thewearstrip 70. Specifically, as illustrated betweenFIGS. 14 , 15, and 16, as theclosure member 24 moves between the first and second positions theclosure member 24 moves along at least one of thewear sections 74 toward anadjacent gap 76. Theclosure member 24 remains at least partially disposed on theengagement surface 86 of the at least onewear section 74 and moves across thegap 76. Since the height T1 of thewear sections 74 are substantially equal, theclosure member 24 moves across thegap 76 and slides along the nextsuccessive wear section 74. Theclosure member 24 repetitiously moves along thewear sections 74 of thewearstrip 70. Thegaps 76 between thewear sections 74 reduce the contact between thewearstrip 70 and theclosure member 24. The reduction in contact between theclosure member 24 and thewearstrip 70 reduces the friction between theclosure member 24 and thewearstrip 70, allowing theclosure member 24 to slide more easily within theweatherstrip assembly 20 between the first and second positions. - The alternating
wear sections 74 andgaps 76 further reduce the cost to manufacture theweatherstrip assembly 20. The alternatinggaps 76 and wearsections 74 require less material to produce thewearstrip 70. The reduction in material required for thewearstrip 70 reduces the overall cost of theweatherstrip assembly 20. - Additionally, the
gaps 76 promote flexing at theflexible sections 80 for facilitating mounting of theweatherstrip assembly 20 to theframe 22. As described above, the alternatingwear sections 74 andgaps 76 define the series of alternating semi-rigid andflexible sections 80, respectively. More specifically, thebody 40 and the at least one sealinglip wearstrip 70 may be formed of the thermoplastic polyethylene material or any of the other suitable materials, as described above. The material of thewearstrip 70 has a rigidity greater than a rigidity of thebody 40 and the at least onewearstrip 70. Thesemi-rigid sections 78 defined by thewear sections 74 reduces the flexibility of theweatherstrip assembly 20 at thewear sections 74. The absence of thewearstrip 70 at thegaps 76 reduces the rigidity of theweatherstrip assembly 20 at thegaps 76 and creates localized areas of increased flexibility along theweatherstrip assembly 20. Said differently, only the rigidity of thebody 40 and the at least one sealinglip weatherstrip assembly 20 at thegaps 76. - As shown in
FIGS. 11 , 12, and 13, theflexible sections 80 defined by thegaps 76 allow for lateral flexing of theweatherstrip assembly 20. Specifically, as shown inFIG. 11 , theweatherstrip assembly 20 may flex laterally about the first andsecond legs FIG. 12 , theweatherstrip assembly 20 may flex laterally about thebase 46. Furthermore, as shown inFIG. 13 , theflexible sections 80 defined by thegaps 76 allow for rotational flexing of theweatherstrip assembly 20 about the axis A. It is to be appreciated that theweatherstrip assembly 20 may flex in any combination of the above described directions. Furthermore, it is to be appreciated that theweatherstrip assembly 20 may flex in any direction which is facilitated by theflexible sections 80 defined by thegaps 76. - The flexing of the
weatherstrip assembly 20 facilitates mounting of theweatherstrip assembly 20 to theframe 22. Specifically, the flexing of theweatherstrip assembly 20 allows theweatherstrip assembly 20 to contour along and mount to non-linear configurations of theframe 22. Further, flexing of theweatherstrip assembly 20 allows an installer to manipulate theweatherstrip assembly 20 in any way which increases the ease in which theweatherstrip assembly 20 is mounted to theframe 22. - The
weatherstrip assembly 20 may be formed by a co-extrusion process in which two or more dissimilar materials are simultaneously extruded to form a final component. As described above, thebody 40, the at least one lip, thetabs 62, andwearstrip 70 may be formed of dissimilar materials. Thebody 40, the at least one lip, and thetabs 62 are formed through continual flow of material during the co-extrusion process. Since thewear sections 74 of thewearstrip 70 are spaced from one another at thegaps 76, thewearstrip 70 is formed using a non-continuous co-extrusion. Said differently, the flow of material to form thewearstrip 70 is periodically stopped to form thegaps 76 between thewear sections 74. It is to be appreciated that theweatherstrip assembly 20 may be formed by any suitable process. - The subject invention also provides a method of producing the
weatherstrip assembly 20 as described above and shown inFIGS. 3 , 4, 6, and 7. For example, theweatherstrip assembly 20 includes thebody 40 extending along the axis A to the first and second opposing ends 42, 44. Thebody 40 has thebase 46, thefirst leg 48 extending from thebase 46, and thesecond leg 50 extending from the base 46 with thebase 46 and thelegs channel 52. Theweatherstrip assembly 20 further includes theexterior surface 60 disposed outside of thechannel 52, theinterior base surface 54 disposed within thechannel 52 along thebase 46, the firstinterior leg surface 56 disposed within thechannel 52 along thefirst leg 48, and the secondinterior leg surface 58 disposed within thechannel 52 along thesecond leg 50. Theweatherstrip assembly 20 further includes the at least one sealinglip abutment surface 68. Furthermore, theweatherstrip assembly 20 includes thewearstrip 70 formed of the thermoplastic polyethylene material. - The method includes the steps of extruding the
body 40 between the first and second ends 42, 44 and simultaneously extruding the at least one sealinglip second legs body 40 between the first and second ends 42, 44. - The method further includes the steps of extruding the
wearstrip 70 along the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 between the first andsecond surfaces wearstrip 70 while continuing the extrusion of thebody 40 and the at least one sealinglip wear sections 74 andgaps 76 that define the series of alternating semi-rigid andflexible sections wearstrip 70 may be further defined as temporarily stopping the extrusion of thewearstrip 70 such that thegaps 76 are defined by thebody 40. - Referring to
FIGS. 5 and 8 , another embodiment of theweatherstrip assembly 120 for sealing between theframe 22 and theclosure member 24 of thevehicle 26, wherein like reference numerals increased by 100 indicate corresponding parts throughout the several views, is generally shown. Identical components discussed in the preceding embodiment of theassembly 20 have the same reference numerals in this embodiment and additional components of this embodiment have new reference numerals. - The primary distinction between the preceding embodiment of the
assembly 20 and this embodiment of theassembly 120 is that theweatherstrip assembly 120 has awearstrip 170 which may include atransition section 88. - As shown in
FIG. 2 , theweatherstrip assembly 120 includes thebody 40 extending along the axis A to the first and second opposing ends 42, 44. The axis A generally has a linear configuration; however, as will be described below, the axis A may have a non-linear configuration as a result of flexing of theweatherstrip assembly 120. As shown inFIGS. 3 and 6 , thebody 40 has thebase 46, thefirst leg 48 extending from thebase 46, and thesecond leg 50 extending from the base 46 with the first andsecond legs second legs base 46 and thelegs channel 52 for receiving theclosure member 24. Thechannel 52 extends along the axis A between the first and second ends 42, 44. Thebase 46 and the first andsecond legs FIG. 3 . It is to be appreciated that thebase 46 and the first andsecond legs channel 52. - The
body 40 includes theinterior base surface 54 disposed within thechannel 52 along thebase 46, the firstinterior leg surface 56 disposed within thechannel 52 along thefirst leg 48, and the secondinterior leg surface 58 disposed within thechannel 52 along thesecond leg 50. Thebody 40 further includes theexterior surface 60 disposed outside of thechannel 52. Theexterior surface 60 opposes each of theinterior base surface 54, the firstinterior leg surface 56, and the secondinterior leg surface 58 along thebase 46 and the first andsecond legs - The
weatherstrip assembly 120 may further include the at least onetab 62 extending from thebody 40 away from thechannel 52 for coupling the weatherstrip to theframe 22. As shown inFIGS. 3 and 6 , the at least onetab 62 is further defined as the pair oftabs 62 with one of the pair oftabs 62 extending from the base 46 adjacent thefirst leg 48 and another one of the pair oftabs 62 extending from the base 46 adjacent thesecond leg 50. Thetabs 62 engage theframe 22 to couple theweatherstrip assembly 120 to theframe 22. - The
weatherstrip assembly 120 includes the at least one sealinglip abutment surface 68 with the sealinglip second legs closure member 24. More specifically, the at least one sealinglip lip 64 and thesecond sealing lip 66 with the first sealinglip 64 extending from the distal end of thefirst leg 48 and thesecond sealing lip 66 extending from the distal end of thesecond leg 50. It is to be appreciated that the at least one sealinglip lips abutment surface 68 extends around each of the first and second sealinglips closure member 24. - As shown in
FIGS. 3 and 6 , the first and second sealinglips lips lips closure member 24 at theabutment surface 68. The first and second sealinglips closure member 24 within thechannel 52. As shown inFIG. 3 , the first and second sealinglips channel 52 toward thebase 46 of thebody 40. Such a configuration may be used within thebody portion 32 of thedoor 30, as shown inFIG. 1 . Alternatively, at least one of the first and second sealinglips channel 52. As shown inFIG. 6 , the first sealinglip 64 extends outwardly away from thechannel 52 and thesecond sealing lip 66 extends inwardly into thechannel 52. The outward extension of the first sealinglip 64 promotes a smooth transition between the first sealinglip 64 and theclosure member 24, creating an aesthetically-pleasing appearance. Such a configuration may be used within thewindow 36 which is visible to an observer, as shown inFIG. 1 . It is to be appreciated that the sealinglips frame 22. - Each of the
body 40 and the at least one sealinglip closure member 24. More specifically, the rubber material of each of thebody 40 and the at least one sealinglip closure member 24. Furthermore, thetabs 62 may be comprised of the rubber material or may be further defined as the EPDM rubber. It is to be appreciated that thebody 40, the at least one sealinglip tabs 62 may be formed of any semi-rigid elastomeric material including the Santoprene® thermoplastic elastomer (TPE) produced by ExxonMobil Chemical Company of Houston, Tex., and the like. It is also to be appreciated that each of thebody 40, the at least one sealinglip tabs 62 may be formed of the cellular or sponge EPDM having a lower density and rigidity or any combination of materials. In addition, it is to be appreciated that thebody 40, the at least one sealinglip tabs 62 may be any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is also to be appreciated that different combinations of materials may be disposed in varying locations within thebody 40, the at least one sealinglip tabs 62. It is to further be appreciated that any suitable polymeric material(s) may be used for thebody 40, the at least one sealinglip tabs 62. - As shown in
FIGS. 3 and 5 , theweatherstrip assembly 120 includes thewearstrip 170 disposed along and extending from at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 with thewearstrip 170 formed of a thermoplastic polyethylene material for reducing friction as theclosure member 24 moves relative to theweatherstrip assembly 120. The thermoplastic polyethylene material is a low friction, semi-rigid elastomeric material. The thermoplastic polyethylene material of thewearstrip 170 may be further defined as an ultra-high-molecular-weight polyethylene material (UHMWPE) for reducing friction as theclosure member 24 moves along thewearstrip 170. Furthermore, thewearstrip 170 may be an engineered thermoplastic material with UHMWPE particulates disposed therein. Thewearstrip 170 may also be formed of a plurality of fibers within a matrix or coupled to an adhesive. In addition, thewearstrip 70 may be formed of extrusion grade polypropylene. It is to be appreciated that thewearstrip 170 may any suitable hardness or hardnesses, rigidity or rigidities, density or densities, etc. It is to further be appreciated that any suitable polymeric material(s) can be utilized for thewearstrip 170. - As shown in
FIG. 3 , thewearstrip 170 may be disposed along theinterior base surface 54 and extend toward the first and second ends 42, 44. In such a configuration, thewearstrip 170 extends between the first andsecond legs wearstrip 170 may also be disposed along at least one of the first and second interior leg surfaces 56, 58 and extend toward the first and second ends 42, 44, as shown inFIG. 6 . In such a configuration, thewearstrip 170 extends between the base 46 and the adjacent one of the first and second sealinglips wearstrip 170 may also be disposed along theabutment surface 68 of at least one of the first and second sealinglips FIG. 9 . In such a configuration, thewearstrip 170 may be disposed anywhere alongabutment surface 68. Thewearstrip 170 may face inwardly toward thechannel 52, outwardly away from thechannel 52, or both inwardly and outwardly. Thewearstrip 170 may also extend continuously across multiple surfaces. As a non-limiting example, thewearstrip 170 extends along each of the firstinterior leg surface 56 and theabutment surface 68 as shown inFIG. 10 . It is to be appreciated that thewearstrip 170 may extend along any of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 in any configuration. For the sake of simplicity, further discussions of thewearstrip 170 below refer to asingular wearstrip 170 disposed along one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68. Said differently, althoughmultiple wearstrips 170 may be disposed along thebody 40 and the at least onelip weatherstrip assembly 120, it is to be appreciated that further description of thewearstrip 170 below is referring to asingular wearstrip 170 and the configuration of thesingular wearstrip 170. - As shown in
FIGS. 3 , 6, 9, and 10, the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 may define thedepression 72. Thewearstrip 170 is at least partially disposed within thedepression 72 to facilitate adhesion between thewearstrip 170 and the at least one of theinterior base surface 54, the first and second interior leg surfaces 56, 58, and theabutment surface 68. Said differently, thedepression 72 increases surface area contacting between thewearstrip 170 and the at least one of theinterior base surface 54, the first and second interior leg surfaces 56, 58, and theabutment surface 68. The increase in surface area improves the adhesion between thewearstrip 170 and the at least one of theinterior base surface 54, the first and second interior leg surfaces 56, 58, and theabutment surface 68. - As shown in
FIGS. 5 and 8 , thewearstrip 170 has a plurality of alternatingwear sections 174 andgaps 176 that define a series of alternating semi-rigid andflexible sections wear section 174 corresponds to thesemi-rigid sections 178 and eachgap 176 corresponds to theflexible sections 180. Eachwear section 174 has first andsecond surfaces engagement surface 186 extending between the first andsecond surfaces first surface 182 of one of thewear sections 174 and thesecond surface 184 of anadjacent wear section 174 face each other to define thegap 176. Each of thewear sections 174 are linearly disposed with thegaps 176 disposed between thewear sections 174. - Each of the
gaps 176 may be further defined by thebody 40. Said differently, the at least one of theinterior base surface 54, firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 extends between thefirst surface 182 of one of thewear sections 174 and thesecond surface 184 of anadjacent wear section 174 which face one another. - As described above, the
wearstrip 170 may include thetransition section 88 disposed in each of thegaps 176 between thewear sections 174. Thetransition section 88 extends from the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68. - As shown in
FIGS. 5 and 8 , theengagement surface 186 of thewear sections 174 may have a first height T1 from the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68. Thetransition section 88 may have atransition surface 90 having a second height T2 from the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68. The first height T1 of theengagement surface 186 is greater than the second height T2 of thetransition surface 90 for reducing contact and friction between theclosure member 24 and thewearstrip 170, as will be described in greater detail below. - The first height T1 of the
engagement surface 186 of thewear section 174 is at least about 10 microns. The second height T2 of thetransition surface 90 of thetransition section 88 is less than the first height T1. More specifically, the first height T1 of theengagement surface 186 and the second height T2 of thetransition surface 90 are measured from within thedepression 72. The first height T1 is great enough that theengagement surface 186 is disposed above and spaced from thetransition surface 90. The engagement surfaces 186 of thewear sections 174 of thewearstrip 170 are substantially planar. Said differently, the first heights T1 of the engagement surfaces 186 of each of thewear sections 174 are substantially equal. Likewise, the transition surfaces 90 of thetransition sections 88 are substantially planar. Said differently, the second heights T2 of the transition surfaces 90 of each of thetransition sections 88 are substantially equal. The substantially equal heights of thewear sections 174 promote sliding of theclosure member 24 along the engagement surfaces 186, as will be described in greater detail below. Although a range of first heights T1 have been provided, it is to be appreciated that the first height T1 may be less than 10 microns. It is to be further appreciated that the first height T1 of theengagement surface 186 may be any suitable height. It is to be further appreciated that the second height T2 of theengagement surface 186 may be any suitable height as long as the second height T2 of thetransition surface 90 is less than the first height T1 of theengagement surface 186. - As shown in
FIGS. 6 and 8 , thewearstrip 170 may have a width W transverse to the axis A. Thewear sections 174 extend across the width W of thewearstrip 170. Said differently, thewear sections 174 define the width W of thewearstrip 170. Furthermore, the first height T1 of theengagement surface 186 of thewear sections 174 and the second height T2 of thetransition surface 90 of thetransition sections 88 extends across the entire width W of thewearstrip 170. - As shown in
FIGS. 5 and 8 , each of thewear sections 174 may have a length L with each of the lengths L substantially equidistant. More specifically, the length L of each of thewear sections 174 is measured along the axis A. Furthermore, each of thegaps 176 have a spacing dimension X measured from thefirst surface 182 of one of thewear sections 174 to thesecond surface 184 of theadjacent wear section 174 which faces the opposingfirst surface 182. Thetransition sections 88 have a length dimension Y equal to the spacing dimension of thegaps 176. Each of the spacing dimensions X of thegaps 176 and the length dimensions Y of thetransition sections 88 are substantially equidistant. The equidistant configuration of thewear sections 174 and the overlappinggaps 176 andtransition sections 88 creates a repeating andcongruent wear section 174 and adjacent overlappinggap 176 andtransition section 88 along the axis A. - As shown in
FIG. 8 , each of thewear sections 174 may have a rectangular configuration. More specifically, the first andsecond surfaces wear sections 174 may have any suitable shape or configuration. Similarly, each of thetransition sections 88 may have a rectangular configuration. However, it is to be appreciated that the transitions sections may have any suitable shape or configuration. - The
body 40 and the at least one sealinglip wear sections 174 may have a second coefficient of friction. The second coefficient of friction is less than the first coefficient of friction for facilitating movement of theclosure member 24 along thewearstrip 170. More specifically, as described above, thebody 40 and the at least one sealinglip body 40 and the at least one sealinglip closure member 24 along thebody 40 and the at least one sealinglip wearstrip 170 may be formed of the thermoplastic polyethylene material or any of the other suitable materials described above. The material of thewearstrip 170 has a coefficient of friction lower than thebody 40 and the at least one sealinglip closure member 24 along thewearstrip 170. Further, the first height T1 of thewear sections 174 space theclosure member 24 from thebody 40 and the at least one sealinglip wearstrip 170. - As the
closure member 24 moves between the first position and the second position, theclosure member 24 moves along theengagement surface 186 of thewearstrip 170. Specifically, as generally illustrated byFIGS. 14 , 15, and 16 of the preceding embodiment, as theclosure member 24 moves between the first and second positions, theclosure member 24 moves along at least one of thewear sections 174 toward anadjacent gap 176 andtransition section 88. Theclosure member 24 remains at least partially disposed on theengagement surface 186 of the at least onewear section 174 and moves across thegap 176. Since the first height T1 of thewear sections 174 are substantially equal, theclosure member 24 moves across thegap 176 and over the lower second height T2 of thetransition sections 88 and slides along the nextsuccessive wear section 174. Theclosure member 24 repetitiously moves along thewear sections 174 of thewearstrip 170. Thegaps 176 and thetransition sections 88 having the lower height between thewear sections 174 reduce the contact between thewearstrip 170 and theclosure member 24. The reduction in contact between theclosure member 24 and thewearstrip 170 reduces the friction between theclosure member 24 and thewearstrip 170, allowing theclosure member 24 to slide more easily within theweatherstrip assembly 120 between the first and second positions. - The alternating first and second heights T1, T2 of the
wear sections 174 andtransition sections 88, respectively, as shown inFIGS. 5 and 8 , further reduce the cost to manufacture theweatherstrip assembly 120. The lower second heights T2 of thetransition sections 88 require less material than the higher first heights T1 of thewear sections 174. The reduction in material required for thewearstrip 170 reduces the overall cost of theweatherstrip assembly 120. - Additionally, the
gaps 176 promote flexing at theflexible sections 180 for facilitating mounting of theweatherstrip assembly 120 to theframe 22. More specifically, thetransition sections 88 having the lower second height T2 disposed in thegaps 176 promote flexing at theflexible sections 180 for facilitating mounting of theweatherstrip assembly 120 to theframe 22 As described above, the alternatingwear sections 174 andgaps 176 define the series of alternating semi-rigid andflexible sections 180, respectively. More specifically, thebody 40 and the at least one sealinglip wearstrip 170 may be formed of the thermoplastic polyethylene material or any of the other suitable materials, as described above. The material of thewearstrip 170 has a rigidity greater than a rigidity of thebody 40 and the at least onewearstrip 170. Thesemi-rigid sections 178 defined by thewear sections 174 reduces the flexibility of theweatherstrip assembly 120 at thewear sections 174. Thetransition sections 88 within thegaps 176 have the second height T2 which is lower than the first height T1 of thewear sections 174. The lower second height T2 reduces the rigidity of thetransition sections 88 which reduces the rigidity of theweatherstrip assembly 120 at thegaps 176, creating localized areas of increased flexibility along theweatherstrip assembly 120. - As generally illustrated by
FIGS. 11 , 12, and 13 of the preceding embodiment, theflexible sections 180 defined by thegaps 176 allow for lateral flexing of theweatherstrip assembly 120. Specifically, as shown inFIG. 11 , theweatherstrip assembly 120 may flex laterally about the first andsecond legs FIG. 12 , theweatherstrip assembly 120 may flex laterally about thebase 46. Furthermore, as shown inFIG. 13 , theflexible sections 180 defined by thegaps 176 allow for rotational flexing of theweatherstrip assembly 120 about the axis A. It is to be appreciated that theweatherstrip assembly 120 may flex in any combination of the above described directions. Furthermore, it is to be appreciated that theweatherstrip assembly 120 may flex in any direction which is facilitated by theflexible sections 180 defined by thegaps 176. - The flexing of the
weatherstrip assembly 120 facilitates mounting of theweatherstrip assembly 120 to theframe 22. Specifically, the flexing of theweatherstrip assembly 120 allows theweatherstrip assembly 120 to contour along and mount to non-linear configurations of theframe 22. Further, flexing of theweatherstrip assembly 120 allows an installer to manipulate theweatherstrip assembly 120 in any way which increases the ease in which theweatherstrip assembly 120 is mounted to theframe 22. - The
weatherstrip assembly 120 may be formed by a co-extrusion process in which two or more dissimilar materials are simultaneously extruded to form a final component. As described above, thebody 40, the at least onelip tabs 62, andwearstrip 170 may be formed of dissimilar materials. Thebody 40, the at least onelip tabs 62 are formed through continual flow of material during the co-extrusion process. Since thewear sections 174 of thewearstrip 170 are spaced from one another at thegaps 176, thewearstrip 170 is formed using a non-continuous co-extrusion; however, instead of completely stopping the flow of material to form thegaps 176 between thewear sections 174, the flow of material is significantly reduced to alternately form the second height T2 of thetransition surface 90 of thetransition section 88 which is lower than the first height T1 of theengagement surface 186 of thewear sections 174. It is to be appreciated that theweatherstrip assembly 120 can be formed by any suitable process. - The subject invention also provides a method of producing the
weatherstrip assembly 120 as described above and shown inFIGS. 3 , 5, 6, and 8. For example, theweatherstrip assembly 120 includes thebody 40 extending along the axis A to the first and second opposing ends 42, 44. Thebody 40 has thebase 46, thefirst leg 48 extending from thebase 46, and thesecond leg 50 extending from the base 46 with thebase 46 and thelegs channel 52. Theweatherstrip assembly 120 further includes theexterior surface 60 disposed outside of thechannel 52, theinterior base surface 54 disposed within thechannel 52 along thebase 46, the firstinterior leg surface 56 disposed within thechannel 52 along thefirst leg 48, and the secondinterior leg surface 58 disposed within thechannel 52 along thesecond leg 50. Theweatherstrip assembly 120 further includes the at least one sealinglip abutment surface 68. Furthermore, theweatherstrip assembly 120 includes thewearstrip 170 formed of the thermoplastic polyethylene material. - The method includes the steps of extruding the
body 40 between the first and second ends 42, 44 and simultaneously extruding the at least one sealinglip second legs body 40 between the first and second ends 42, 44. - The method further includes the steps of extruding the
wearstrip 170 along the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 between the first andsecond surfaces wearstrip 170 while continuing the extrusion of thebody 40 and the at least one sealinglip wear sections 174 andgaps 176 that define the series of alternating semi-rigid andflexible sections - The
wearstrip 170 further includes thetransition section 88 disposed in each of thegaps 176 as described above. Therefore, the step of interrupting the extrusion of thewearstrip 170 is further defined as simultaneously extruding thetransition section 88 in thegaps 176 during the interruption. Furthermore, as described above, eachwear section 174 has theengagement surface 186 having the first height T1 from the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68, and thetransition section 88 has thetransition surface 90 having the second height T2 from the at least one of theinterior base surface 54, the firstinterior leg surface 56, the secondinterior leg surface 58, and theabutment surface 68 with the first height T1 greater than the second height T2. Therefore, the step of simultaneously extruding thetransition section 88 in thegaps 176 during the interruption is further defined as simultaneously extruding thetransition section 88 in thegaps 176 during the interruption at the second height T2. - The invention has been described in an illustrative manner, and it is to be understood that the terminology which has been used is intended to be in the nature of words of description rather than of limitation. As is now apparent to those skilled in the art, many modifications and variations of the subject invention are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims, wherein reference numerals are merely for convenience and are not to be in any way limiting, the invention may be practiced otherwise than as specifically described.
Claims (19)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/059,849 US20140109485A1 (en) | 2012-10-22 | 2013-10-22 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
US14/642,398 US9475374B2 (en) | 2012-10-22 | 2015-03-09 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
US15/276,056 US10131216B2 (en) | 2012-10-22 | 2016-09-26 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261716953P | 2012-10-22 | 2012-10-22 | |
US14/059,849 US20140109485A1 (en) | 2012-10-22 | 2013-10-22 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/642,398 Division US9475374B2 (en) | 2012-10-22 | 2015-03-09 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
Publications (1)
Publication Number | Publication Date |
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US20140109485A1 true US20140109485A1 (en) | 2014-04-24 |
Family
ID=49484144
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/059,849 Abandoned US20140109485A1 (en) | 2012-10-22 | 2013-10-22 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
US14/642,398 Expired - Fee Related US9475374B2 (en) | 2012-10-22 | 2015-03-09 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
US15/276,056 Expired - Fee Related US10131216B2 (en) | 2012-10-22 | 2016-09-26 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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US14/642,398 Expired - Fee Related US9475374B2 (en) | 2012-10-22 | 2015-03-09 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
US15/276,056 Expired - Fee Related US10131216B2 (en) | 2012-10-22 | 2016-09-26 | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
Country Status (2)
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US (3) | US20140109485A1 (en) |
EP (1) | EP2722209A3 (en) |
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US20160280153A1 (en) * | 2015-03-24 | 2016-09-29 | GM Global Technology Operations LLC | Device, trim element for the device, and method of forming the trim element |
US10131216B2 (en) | 2012-10-22 | 2018-11-20 | Henniges Automotive Sealing Systems North America Inc. | Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same |
US20180354352A1 (en) * | 2017-06-09 | 2018-12-13 | Toyoda Gosei, Co., Ltd. | Weather strip for automobile |
CN110116612A (en) * | 2018-02-07 | 2019-08-13 | 麦格纳覆盖件有限公司 | The single of glass traveling groove squeezes out |
US20190359043A1 (en) * | 2018-05-24 | 2019-11-28 | GM Global Technology Operations LLC | Sealing material attachment method |
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US10427510B2 (en) * | 2017-02-09 | 2019-10-01 | Toyota Motor Engineering & Manufacturing North America, Inc. | Glass run sealing members including hinged sealing projection structures for vehicles |
JP6885349B2 (en) * | 2018-01-30 | 2021-06-16 | 豊田合成株式会社 | Automotive glass run |
US10689899B2 (en) * | 2018-10-17 | 2020-06-23 | Matrex Window System Inc. | Gasket railing system for a window frame |
US11199045B2 (en) | 2018-07-26 | 2021-12-14 | Matrex Window System Inc. | Jacking screw for adjusting a window frame |
US10844651B2 (en) | 2018-07-26 | 2020-11-24 | Matrex Window System Inc. | Compression gasket for sealing a window in a window frame |
US10731402B2 (en) | 2018-07-26 | 2020-08-04 | Matrex Window System Inc. | Jacking screw for adjusting a window frame |
US10710440B1 (en) * | 2019-04-29 | 2020-07-14 | Toyota Motor Engineering & Manufacturing North America, Inc. | Glass run seal comprising corner moldings with integrated window spacers |
US20220219519A1 (en) * | 2021-01-12 | 2022-07-14 | Henniges Automotive Sealing Systems North America, Inc. | Below Belt Seal Assembly, Associated Window Sealing System, And Method For Manufacturing Same |
US20230106306A1 (en) * | 2021-10-01 | 2023-04-06 | Toyoda Gosei Co., Ltd. | Glass run |
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Also Published As
Publication number | Publication date |
---|---|
US10131216B2 (en) | 2018-11-20 |
EP2722209A3 (en) | 2018-01-03 |
US20170080790A1 (en) | 2017-03-23 |
EP2722209A2 (en) | 2014-04-23 |
US20150239328A1 (en) | 2015-08-27 |
US9475374B2 (en) | 2016-10-25 |
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