US20050153080A1 - Process for fabricating weatherseals - Google Patents

Process for fabricating weatherseals Download PDF

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Publication number
US20050153080A1
US20050153080A1 US10/513,898 US51389804A US2005153080A1 US 20050153080 A1 US20050153080 A1 US 20050153080A1 US 51389804 A US51389804 A US 51389804A US 2005153080 A1 US2005153080 A1 US 2005153080A1
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United States
Prior art keywords
weatherseal
thermoplastic
bent
support insert
press
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
Application number
US10/513,898
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English (en)
Inventor
Avi Zohar
Haruhisa Kawase
Peter Ellis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Decoma International Inc
Original Assignee
Decoma International Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Decoma International Inc filed Critical Decoma International Inc
Priority to US10/513,898 priority Critical patent/US20050153080A1/en
Assigned to DECOMA INTERNATIONAL INC. reassignment DECOMA INTERNATIONAL INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ELLIS, PETER J., KAWASE, HARUHIS, ZOHAR, AVI
Publication of US20050153080A1 publication Critical patent/US20050153080A1/en
Priority to US11/985,716 priority patent/US7758798B2/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • 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
    • B60J10/21—Sealing arrangements characterised by the shape having corner parts or bends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/305—Wipers

Definitions

  • the present invention relates to the field of weatherseals, and in particular, relates to a process for the fabrication of weatherseals for automotive use.
  • Weatherseals in automotive applications, are primarily used to provide a seal against wind, rain, noise and the like, in situations wherein glass and metal (or other materials) are in contact with each other (in fixed or movable situations), or in situations where metal components (or other materials) are in a movable relationship to one another, such as, for example, a door, trunk or hood opening with respect to the frame or body of the automobile.
  • weatherseal materials including rubber, synthetic rubber, rubberized materials, plastics, elastomers and the like.
  • a typical weatherseal might be fabricated of, for example, elastomers, which can be defined as a material which experiences large reversible deformations under relatively low stress.
  • elastomers include natural rubber, ethylene/propylene (EPM) copolymers, ethylene/propylene/diene (EPDM) copolymers, styrene/butadiene copolymers, chlorinated polyethylene, and silicone rubber.
  • Thermoplastic elastomers are elastomers having thermoplastic properties. That is, thermoplastic elastomers are optionally molded or otherwise shaped and reprocessed at temperatures above their melting or softening point.
  • thermoplastic elastomers is styrene-butadiene-styrene (SBS) block copolymer.
  • SBS block copolymers exhibit a two phase morphology consisting of glassy polystyrene domains connected by rubbery butadiene segments. At temperatures between the glass transition temperatures of the butadiene midblock and the styrene endblocks the SBS copolymers act like a crosslinked elastomer.
  • thermoset elastomers are elastomers having thermoset properties. That is, thermoset elastomers irreversibly solidify or “set” when heated, generally due to an irreversible crosslinking reaction.
  • thermoset elastomers are crosslinked ethylene-propylene monomer rubber (EPM) and crosslinked ethylene-propylene-diene monomer rubber (EPDM). EPM materials are made by copolymerization of ethylene and propylene, and are typically cured with peroxides to give rise to crosslinking, and thereby induce thermoset properties.
  • EPDM materials are linear interpolymers of ethylene, propylene, and a nonconjugated diene such as 1,4-hexadiene, dicyclopentadiene, or ethylidene norbomene. EPDM materials are typically vulcanized with sulfur to induce thermoset properties, although they alternatively are optionally cured with peroxides.
  • weatherseals which comprise materials commonly referred to as thermoplastics and more particularly to “thermoplastic vulcanizates” (TPVs), and even more particularly to weatherseals made from extrudable TPVs.
  • thermoplastics and more particularly to “thermoplastic vulcanizates” (TPVs)
  • TPVs thermoplastic vulcanizates
  • thermoplastic vulcanizates are polyolefinic matrices, preferably crystalline, through which thermoset elastomers are generally uniformly distributed.
  • thermoplastic vulcanizates include EPM and EPDM thermoset materials distributed in a crystalline polypropylene matrix.
  • One example of a commercially available material is SantopreneTM.
  • thermoplastic rubber which is manufactured by Advanced Elastomer Systems and is a mixture of crosslinked EPDM particles in a crystalline polypropylene matrix. These materials have found utility in many applications which previously used vulcanized rubber, e.g. hose, gaskets, and the like. In these applications, TPV's are noted for their ability to be processed as thermoplastics while retaining the excellent tensile and compression set properties of vulcanized rubbers.
  • TPV materials are typically based on vulcanized rubbers in which a phenolic resin or sulfur cure system is used to vulcanize, that is to crosslink, a diene copolymer rubber by way of dynamic vulcanization, that is crosslinking while mixing (typically vigorously), in a thermoplastic matrix.
  • Sulfur or a phenolic resin is preferred over peroxide free radical cure systems because peroxide degrades a polypropylene or and crosslinks a polyethylene as well as the rubber and this is in turn limits the extent of rubber crosslinking that can occur before the entire mixture degraded or crosslinked and is no longer thermoplastic.
  • thermoplastic material of use in the present invention is preferably extrutable, and thus forms a thermoplastic extrudate.
  • the thermoplastic extrudate is preferably a solid material which is essentially free of macroscopic voids, or alternatively, is a dense foam material having a density in the range greater than about 80% of that of the solid material. It should be noted, however, that the thermoplastic material of interest in the present invention is typically re-processable, unlike a thermoset resin.
  • meltable is meant that a material blend can be processed in an available, commercial extruder or injection moulding machine which provides internal mixing at a temperature in the range from, for example, about 180° C. to 240° C. with a residence time less than 5 min, preferably in the range from 30 sec to 2 min.
  • thermoplastics such as TPVs, which are typically “self-cured” and not physical blends
  • their combination of desirable elastic and thermoplastic properties depends on the respective amounts of “hard” and “soft” phases provided by each component, and the properties of each component.
  • the polyolefin phase is the continuous “hard” phase in which the rubber “soft” phase is present as discrete particles.
  • thermoplastic materials Through the use of thermoplastic materials, a weatherseal can be produced which is typically thinner and lighter than weatherseals made of prior art rubber or rubberized materials. Further, the thinner, lighter, thermoplastic weatherseals can provide reduced wind noise, while still providing good other weatherseal properties such as softness, abrasion resistance and low coefficients of friction.
  • TPV materials as weatherseals has been previously described in, for example, U.S. Pat. Nos. 6,368,700 and 6,277,916.
  • TPV elastomers are used to produce weatherseals, the ever-increasing demands of the marketplace necessitate the development of processing thermoplastic weatherseals with improved properties.
  • thermoset weatherseal materials would normally be bent to a desired shape by inserting the linear weatherseal extrudate into a bending press while heating the material to a temperature above its “heat-deformable temperature”.
  • the press can then be used to press the material into the appropriate shape.
  • this appropriate shape would merely be a right angle bend so that the weatherseal material might be placed in, for example, the corner of a window opening in an automotive application.
  • thermoplastic weatherseals Because of its thinner, lighter construction, and the differences in chemical thermosetting properties, thermoplastic weatherseals can be moulded up to 35% faster than prior art EPDM weatherseals. As such, use of thermoplastic weatherseals in bent applications could provide improved efficiencies.
  • thermoplastic extrudates are commonly used in linear, or straight-line applications, or in applications, with only minor amounts of bending. Typically, thermoplastic extrudates are not used in situations where bending to over 20° is required since the bending process can adversely affect the weatherseal. It has been observed that when thermoplastic weatherseal materials are bent using the above described bending process, a common occurrence is for the thinner sections of the extruded weatherseal to “buckle” and otherwise deform. If used in this condition, it would be difficult to achieve an effective, acceptable seal, and thus, leakage of water and/or an increase in wind noise would be possible, and would likely be probable.
  • the buckling effect is most noticeable on thinner sections (in cross section) of the thermoplastic material being bent, and the amount of buckling observed will be dependent on the material utilized, the heat deformation temperature for that material, the bending temperature use, the amount of time that the material is in the bending press, and the like.
  • the buckling effect is typically characterized by a wavy, or non-linear deformation of a previously straight component of the extruded seal, after the bending operation.
  • a typical example of this effect would be observed when, for example, an extruded thermoplastic weatherseal was bent 90° to fit in an automotive window or door application. After the bent area had been subjected to the heat and pressure encountered in a bending press, the thinner sections of the weatherseal would have a wavy appearance in the bent area.
  • thermoplastic extrudate weatherseal materials in a typical prior art bending device, which would provide a bent thermoplastic material with a reduced level of buckling, when compared to prior art process, and more preferably, would provide a process which eliminates the buckling effect essentially completely.
  • thermoplastic weatherseals and preferably a thermoplastic elastomer and in particular, a TPV extrudate weatherseal, which minimizes the buckling effect when the TPV material is bent.
  • the present invention provides a process for forming thermoplastic weatherseals into a bent condition comprising:
  • the present invention also provides a support insert for use in the operation of forming thermoplastic weatherseals into a bent position comprising a base structure manufactured of a flexible material, having at least one face of which corresponds to the surface of the thermoplastic weatherseal, so as to support the weatherseal during a bending process.
  • the flexible material is essentially non-reactive with the thermoplastic weatherseal.
  • the present invention also provides a thermoplastic weatherseal, and preferably a TPV weatherseal, which has been formed to a bent condition using the process of described hereinabove with respect to the present invention.
  • FIG. 1 is a perspective view of an essentially linear thermoplastic extrudate weatherseal
  • FIG. 2 is a cross-sectional view of the weatherseal of FIG. 1
  • FIG. 3 is a perspective view of a bent section of weatherseal which has been bent by a process according to the prior art
  • FIG. 4 is a perspective view of a support insert for use in the present invention.
  • FIG. 5 is a perspective view of a weatherseal shown in an open bending press
  • FIG. 6 is a cross-sectional view of a support insert which is shown in position in a weatherseal.
  • FIG. 7 is a perspective view of a bent section of weatherseal which has been bent by a process according to the present invention.
  • a weatherseal referred to generally by reference numeral 10 , formed by extruding a selected thermoplastic elastomer, most preferably TPV available under the trademark Santoprene.
  • weatherseal refers to a product used for sealing between surfaces, and in particular, to a thermoplastic material or to a thermoplastic elastomer intended for use in any application where metal and/or glass parts.
  • the present application is primarily directed to the use of thermoplastic and thermoplastic elastomeric materials, and preferably to extruded TPV materials (TPV extrudates) in automotive applications.
  • the weatherseal may be formed of a thermoplastic material, or may be formed of a blend of materials, comprising thermoplastic material, thermoplastic elastomers and TPV.
  • Other materials for blending or co-extrusion can include, for example, melt-blended olefin-based elastomers including polypropylene, polyethylene.
  • Other components can include plasticizers, viscosity modifiers such as processing oils or esters, fillers, colourants, curing agents, antioxidants and other ingredients.
  • Suitable fillers can include calcium silicate, clay, kaolin, talc, silica, diatomaceous earth, powdered mica, barium sulfate, aluminum sulfate, calcium sulfate, basic magnesium carbonate, glass fibers, and carbon fibers, provided the filler is used in an amount small enough not to adversely affect either the hardness or the coefficients of friction of the thermoplastic copolymer.
  • the components of the weatherseal are preferably selected so as to provide acceptable weatherseal properties with respect to, for example, known weatherseal performance properties such as flexibility, durability, hardness, UV resistance, and the like.
  • the cross-section of the body is preferably adapted to be held in or on a particular portion of an opening which is to be sealed against the weather.
  • Weatherseal 10 generally has a height and width of approximately 2.5 cm, and can be of any desired length. It has a main U-shaped body section 12 which is adapted to be snugly fitted around the flange of a metallic frame section (not shown) of an automobile, and in particular, of an automobile window. The interior of U-shaped body section 12 has lips 16 which are used to provide a friction fit and weather resistant seal to the flange of the window opening of an automobile (not shown). The weatherseal may also be attached with suitable fastening means (not shown) or with adhesive. The cross-section of the weatherseal will vary depending upon its use, but in general, the U-shaped body section 14 provides a linear channel in the extruded thermoplastic weatherseal.
  • a second channel area 18 Shown above the main U-shaped body section 12 , is a second channel area 18 surrounded by weatherseal area 20 , which has an opening 22 through which the edge of a glass window would be positioned.
  • area 20 includes two relatively thin edge sections 24 and 26 . Edge sections 24 and 26 provide a seal against the glass inserted into second channel area 18 .
  • a weatherseal 10 is shown in persepective which has been bent in a manner consistent with the prior art, as generally described hereinbelow with respect to FIG. 5 .
  • edges 24 and 26 are edges 24 and 26 .
  • the thin edges 24 and 26 have buckled and produce a wavy appearance. In use, this buckled area would likely not provide acceptable weatherseal properties.
  • FIG. 4 provides a perspective view of a support insert 40 of use in the present invention.
  • Support insert 40 is made of flexible material, preferably silicon-based material, and is preferably approximately 15 to 30 cm in length, depending upon radius and has a profile and height and width so as to correspond with, and fit into channel area 18 of weatherseal 10 .
  • Support insert 40 has faces 44 and 46 which act to support edges 24 and 26 during the bending process.
  • a bending press 100 which can be used in the process of the present invention.
  • Press 100 comprises a fixed back section 102 and a movable centre section 104 which can be moved from an open position, as shown, wherein linear, extruded thermoplastic weatherseal 10 can be inserted into the press 100 , to a closed position wherein the weatherseal 10 is bent to the desired angle, as determined by the shape of the pressing faces of press 100 .
  • FIG. 6 shows a cross-sectional view of weatherseal 10 with support insert 40 in place.
  • press 100 is opened and TPV weatherseal 10 , with support insert 40 , is inserted. Press 100 is then closed so that weatherseal 10 and support 40 are bent to the appropriate shape.
  • the support insert 40 is inserted into the thermoplastic weatherseal 10 , and acts to form a support against which the surfaces prone to buckling, will rest. During the bending process, the support 40 insert acts to keep the supported surface in a linear alignment, and facilitates the setting of the thermoplastic into a non-buckled, bent configuration.
  • the support insert 40 is made from a flexible material which has a heat deformable temperature which is above the bending process temperature, and as such, is essentially unaffected by the bend process pressure and/or temperature. Any suitable material can be utilized provided it provides the support necessary during the pressing operation, and preferably does not significantly react with, adhere to, or otherwise affect the surface of the thermoplastic material being processed.
  • the support insert 40 should preferably be bendable in order to be inserted into the linear thermoplastic extrudate as a straight component, bent during the bending press, but returning to a straight configuration once removed from the bent, thermoplastic extrudate. As such, after the pressing operation, the support insert preferably returns to its original shape after removal from the thermoplastic material. In this fashion, the support insert 40 is available for reuse. It should be noted that while the support insert 40 might be pre-bent to some extent, or even to the final bend angle of the press, it is preferred that the support insert be essentially linear so as to facilitate insertion of the support insert 40 in a suitable position in a linear extrudate.
  • the weatherseal 10 is then heated to a temperature above its heat-deformable temperature, and held at that temperature for a sufficient length of time for the weatherseal 10 to permanently take on the bent shape established in press 100 .
  • press 100 is opened, weatherseal 10 is removed, and support insert 40 is removed. After removal, support insert 40 returns to its original linear shape, as shown in FIG. 4 .
  • the TPV material is heated above its heat-deformable temperature.
  • This temperature is the value at which the material becomes essentially permanently set into, in this case, a bent position. Without being bound by theory, this temperature is not a melting temperature, or the like.
  • a typical heat-deformable temperature for the TPV materials, and preferably the TPV extrudates is a temperature of at least 120° C. and preferably, is in the range of from 120° C. to 150° C.
  • the thermoplastic material or extrudate is placed into a press, similar to presses previously known within this industry.
  • the weatherseal is heated (if it has not already been pre-heated) to a temperature above its heat-deformable temperature.
  • the press is used to exert pressure on the thermoplastic material in order to force the thermoplastic material to take on the desired shape, and in particular for this application, the desired bend angle.
  • the pressure exerted on the thermoplastic material is provided merely to bend and hold the thermoplastic into the desired shape while it is heated to (or held at) the heat-deformable temperature.
  • the desired bend is typically an essentially permanent bend of the linear thermoplastic material or extrudate to an angle of between 20° and 180°, and most preferably, to an angle of about 90° with about a 2.5 cm to 5.0 cm radius.
  • FIG. 7 shows a weatherseal which has been bent in accordance with the process of the present invention.
  • the weatherseal 10 shown in FIG. 7 is free from buckling on edges 24 and 26 in bend area 30 .
  • the weatherseal shown in FIG. 7 provides greatly improved performance properties over the bent weatherseal shown in FIG. 3 .
  • thermoplastic weatherseals to complementarily fit a door or window, or the like, which avoids the buckling problems encountered in the prior art.
  • the technique herein described allows thermoplastic weatherseals to be used in an increased variety of applications without the need for additional weatherseal corner pieces or special joining processing, and allows the advantages of thermoplastic weatherseals and in particular TPV weatherseals to be used in a greater number of applications.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Laminated Bodies (AREA)
US10/513,898 2002-05-16 2003-05-12 Process for fabricating weatherseals Abandoned US20050153080A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/513,898 US20050153080A1 (en) 2002-05-16 2003-05-12 Process for fabricating weatherseals
US11/985,716 US7758798B2 (en) 2002-05-16 2007-11-16 Process for fabricating weatherseals

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37812002P 2002-05-16 2002-05-16
US10/513,898 US20050153080A1 (en) 2002-05-16 2003-05-12 Process for fabricating weatherseals
PCT/CA2003/000665 WO2003097393A1 (en) 2002-05-16 2003-05-12 Process for fabricating weatherseals

Related Child Applications (1)

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US11/985,716 Division US7758798B2 (en) 2002-05-16 2007-11-16 Process for fabricating weatherseals

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US20050153080A1 true US20050153080A1 (en) 2005-07-14

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US10/513,898 Abandoned US20050153080A1 (en) 2002-05-16 2003-05-12 Process for fabricating weatherseals
US11/985,716 Expired - Fee Related US7758798B2 (en) 2002-05-16 2007-11-16 Process for fabricating weatherseals

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US (2) US20050153080A1 (de)
EP (1) EP1503915B1 (de)
AU (1) AU2003229171A1 (de)
CA (1) CA2485473C (de)
DE (1) DE60331302D1 (de)
WO (1) WO2003097393A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8657370B1 (en) 2012-10-22 2014-02-25 Ford Global Technologies, Llc Roof ditch molding and method of manufacture

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Publication number Priority date Publication date Assignee Title
CA2788160A1 (en) * 2010-02-16 2011-08-25 Magna International Inc. Decorative molding with film
JP2016190523A (ja) * 2015-03-31 2016-11-10 アイシン精機株式会社 サンルーフ装置のウエザストリップ
US9849757B2 (en) * 2016-03-03 2017-12-26 Dura Operating Llc Extruded member corner connection

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US2443596A (en) * 1945-09-21 1948-06-22 James E Cahill Reciprocating bender with pivoted side shapers
US3837957A (en) * 1972-04-28 1974-09-24 Mesnel Sa Ets Method of shaping a sealing strip
US4118162A (en) * 1975-10-08 1978-10-03 Paul Troester Maschinenfabrik Apparatus for manufacturing lengths of rubber hose of curved shape
US4160006A (en) * 1977-03-08 1979-07-03 Hoechst Aktiengesellschaft Process and device for the manufacture of a tube bend of a thermoplast
US5529480A (en) * 1994-10-28 1996-06-25 The Boeing Company Honeycomb core forming restricter
US6277916B1 (en) * 1999-02-25 2001-08-21 The Dow Chemical Company Process for preparing thermoplastic vulcanizates
US6368700B1 (en) * 1999-09-10 2002-04-09 Advanced Elastomer Systems, L.P. Olefinic slip-coating for automotive weatherseals

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US3822160A (en) * 1972-05-30 1974-07-02 Aluminum Co Of America Method and apparatus for forming a mitered corner in a flexible elastomeric strip
IT1063560B (it) * 1976-04-23 1985-02-11 Pirelli Guarnizione di tenuta e suo procedimento di fabbricazione
DE3417128A1 (de) * 1984-05-09 1985-11-21 Metzeler Kautschuk GmbH, 8000 München Verfahren zum streckbiegen von profilstraengen
FR2669279B1 (fr) * 1990-11-20 1993-01-29 Mesnel Sa Ets Joint d'etancheite pour encadrement d'une ouverture d'une carrosserie d'automobile et procede de fabrication de ce joint.
DE9308418U1 (de) * 1993-06-05 1993-07-22 Meteor Gummiwerke K. H. Bädje GmbH & Co, 31167 Bockenem Extrudiertes Dichtungsprofil und Formwerkzeug

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Publication number Priority date Publication date Assignee Title
US2443596A (en) * 1945-09-21 1948-06-22 James E Cahill Reciprocating bender with pivoted side shapers
US3837957A (en) * 1972-04-28 1974-09-24 Mesnel Sa Ets Method of shaping a sealing strip
US4118162A (en) * 1975-10-08 1978-10-03 Paul Troester Maschinenfabrik Apparatus for manufacturing lengths of rubber hose of curved shape
US4160006A (en) * 1977-03-08 1979-07-03 Hoechst Aktiengesellschaft Process and device for the manufacture of a tube bend of a thermoplast
US5529480A (en) * 1994-10-28 1996-06-25 The Boeing Company Honeycomb core forming restricter
US6277916B1 (en) * 1999-02-25 2001-08-21 The Dow Chemical Company Process for preparing thermoplastic vulcanizates
US6368700B1 (en) * 1999-09-10 2002-04-09 Advanced Elastomer Systems, L.P. Olefinic slip-coating for automotive weatherseals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8657370B1 (en) 2012-10-22 2014-02-25 Ford Global Technologies, Llc Roof ditch molding and method of manufacture

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Publication number Publication date
AU2003229171A1 (en) 2003-12-02
US20080067716A1 (en) 2008-03-20
DE60331302D1 (de) 2010-04-01
EP1503915B1 (de) 2010-02-17
US7758798B2 (en) 2010-07-20
CA2485473A1 (en) 2003-11-27
CA2485473C (en) 2012-01-03
WO2003097393A1 (en) 2003-11-27
EP1503915A1 (de) 2005-02-09

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