EP2378048A1 - Seal for mounting to door frame - Google Patents
Seal for mounting to door frame Download PDFInfo
- Publication number
- EP2378048A1 EP2378048A1 EP10159986A EP10159986A EP2378048A1 EP 2378048 A1 EP2378048 A1 EP 2378048A1 EP 10159986 A EP10159986 A EP 10159986A EP 10159986 A EP10159986 A EP 10159986A EP 2378048 A1 EP2378048 A1 EP 2378048A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal
- door frame
- support member
- seal member
- door
- 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.)
- Withdrawn
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2301—Plastic, sponge rubber, or like strips or tubes without an integrally formed part for fixing the edging
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2314—Plastic, sponge rubber, or like strips or tubes characterised by the material
Definitions
- the present invention relates to a seal for mounting to a door frame, and relates particularly, but not exclusively, to a smoke and fire seal which also provides a barrier against noise.
- Door seals such as acoustic seals, fire seals or weather seals are typically attached to a door frame by mounting the seal into a recess in the door frame and are engaged by a door mounted to the frame when the door is in a closed position.
- a combined fire and smoke seal 2 has an elongate body 4 extruded from intumescent material, which provides a large amount of expansion when it intumesces and which is angled to form two arms. Each arm has a terminal edge face to which a resilient seal lip 6, 8 is integrally connected to define a pair of smoke seals.
- a door 10 mounted to a door frame 12 to which the seal 2 is mounted is in the closed position, the door 10 engages the pair of lip seals 6, 8 to provide a smoke seal.
- the intumescent material expands to fill the gap between the door 10 and the door frame 12.
- Preferred embodiments of the present invention seek to overcome one or more of the above disadvantages of the prior art.
- a seal for mounting to a door frame comprising:
- first resilient seal member and at least one second resilient seal member extending from a first surface of the support member and at least one member of intumescent material mounted in a fixed position relative to said first seal member and the or each said second seal member, this provides the advantage of providing a combined smoke and fire, and possibly also acoustic, seal which can be installed in a single recess in a door frame, without the necessity of removing the door from the door frame.
- At least one said member of intumescent material may be mounted to said support member.
- At least one said member of intumescent material may form at least part of said support member.
- the intumescent material may include graphite and PVC.
- the first seal member may extend in an undeformed state at an angle greater than 90° to said first surface of said support member.
- the angle may be between 95° and 100°.
- the first seal member may have tapered cross section in a direction extending away from said support member.
- At least one said second seal member may extend from said first surface of said support member towards said first seal member.
- At least one said second seal member may extend substantially perpendicularly to said first surface of said support member.
- the seal may be provided with adhesive material on a second surface of said support member, opposite to said first surface.
- the first seal member and/or at least one said second seal member may include PVC and/or acrylonitrile butadiene rubber.
- the first seal member and/or at least one said second seal member may have a deflection recovery value of at least 40%.
- the support member may be formed from PVC.
- At least one said second seal member may extend from said first surface of said support member at an angle between 10° and 60°.
- a door assembly comprising a door frame, a door adapted to be mounted to the door frame, and a seal as defined above.
- a method of manufacturing a seal for mounting to a door frame comprising co-extruding:
- a fire and smoke seal 102 embodying the present invention comprises an elongate base member 104 of substantially rigid PVC material which is coextruded with a first seal member 106, a pair of second seal members 108, 110, the first and second seal members being formed from a PVC/acrylonitrile butadiene rubber compound, and an elongate strip 112 of intumescent material, such as graphite in a PVC matrix, and which is adapted to expand when it comes into contact with fire.
- the intumescent material 112 is securely bonded to the base member 104 which has the advantage of minimising the tendency of the intumescent material 112 to become detached from the base member 104 as it expands.
- the first seal member 106 extends from an edge of a first surface 114 of the base member 104 at an angle of more than 90°, typically 95° to 100°, such that the seal 102 can be mounted to a first surface 116 ( Figure 5 ) of a door frame 118 and the first seal member 106 resiliently engage a second surface 120 of the door frame 118 perpendicular to the first surface 116. This enables the first surface 116 to be maintained in a deformed state in contact with the second surface 120 of the door frame 118, without the necessity of fixing the seal 102 to the second surface 120 of the door frame 118, as shown in Figures 5 and 6 .
- the second seal members 108, 110 each extend from the first surface 114 of the support member 104 at an angle of approximately 40°, and are adapted to be engaged by a door 122 in its closed position such that the second seal members 108, 110 are not fully compressed against the first surface 114 of the support member 104.
- air, acoustic and smoke seals are formed by the second seal members 108, 110 extending between the door 122 and the first surface 116 of the door frame 118.
- the seal 102 of the present invention is mounted to a single recess 124 in the door frame 118.
- the advantage is provided that it is not necessary to provide two recesses in the door frame to accommodate an acoustic seal and a smoke/fire seal.
- the fire retardant performance of the seal 102 of the present invention has been found to be surprisingly better than that of known fire seals.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Special Wing (AREA)
Abstract
A seal (102) for mounting to a door frame is disclosed. The seal comprises an elongate base member (104) and a resilient first seal member (106) extending from a first surface (114) of the base member such that the first seal member is adapted to be held in a deformed state by engagement with a first surface of a door frame by means of mounting of the support member to a second surface of the door frame, substantially perpendicular to the first surface of the door frame. At least one resilient second seal member (108, 110) extends from the first surface of the support member, wherein the first seal member and the or each second seal member are adapted to be engaged by a door mounted to the door frame and when in a closed position. An elongate strip (112) of intumescent material is mounted in a fixed position relative to the first seal member and the or each second seal member and is adapted to expand as a result of contact with fire.
Description
- The present invention relates to a seal for mounting to a door frame, and relates particularly, but not exclusively, to a smoke and fire seal which also provides a barrier against noise.
- Door seals, such as acoustic seals, fire seals or weather seals are typically attached to a door frame by mounting the seal into a recess in the door frame and are engaged by a door mounted to the frame when the door is in a closed position.
- One known type of combined smoke and fire seal is disclosed in
GB 2356885 Figures 1 and 2 . Referring toFigure 1 , a combined fire andsmoke seal 2 has anelongate body 4 extruded from intumescent material, which provides a large amount of expansion when it intumesces and which is angled to form two arms. Each arm has a terminal edge face to which aresilient seal lip door 10 mounted to adoor frame 12 to which theseal 2 is mounted is in the closed position, thedoor 10 engages the pair oflip seals seal 2 coming into contact with fire, the intumescent material expands to fill the gap between thedoor 10 and thedoor frame 12. - This known arrangement disclosed in
GB 2356885 seal 2 on the side of thedoor frame 12 where the hinges are located, it is generally necessary to remove thedoor 10 to allow theseal 2 to be secured into a suitable recess in the door frame. It is sometimes also necessary to relocate the door hinges. - Preferred embodiments of the present invention seek to overcome one or more of the above disadvantages of the prior art.
- According to an aspect of the present invention, there is provided a seal for mounting to a door frame, the seal comprising:
- an elongate support member;
- a resilient first seal member extending from a first surface of said support member such that said first seal member is adapted to be held in a deformed state by engagement with a first surface of a door frame by means of mounting of said support member to a second surface of said door frame, substantially perpendicular to said first surface of said door frame;
- at least one resilient second seal member extending from said first surface of said support member, wherein said first seal member and the or each said second seal member are adapted to be engaged by a door mounted to said door frame and when in a closed position; and
- at least one member of intumescent material mounted in a fixed position relative to said first seal member and the or each said second seal member and adapted to expand as a result of contact with fire.
- By providing a first resilient seal member and at least one second resilient seal member extending from a first surface of the support member and at least one member of intumescent material mounted in a fixed position relative to said first seal member and the or each said second seal member, this provides the advantage of providing a combined smoke and fire, and possibly also acoustic, seal which can be installed in a single recess in a door frame, without the necessity of removing the door from the door frame.
- At least one said member of intumescent material may be mounted to said support member.
- At least one said member of intumescent material may form at least part of said support member.
- This provides the advantage of making the seal simpler to manufacture.
- The intumescent material may include graphite and PVC.
- The first seal member may extend in an undeformed state at an angle greater than 90° to said first surface of said support member.
- The angle may be between 95° and 100°.
- The first seal member may have tapered cross section in a direction extending away from said support member.
- At least one said second seal member may extend from said first surface of said support member towards said first seal member.
- At least one said second seal member may extend substantially perpendicularly to said first surface of said support member.
- The seal may be provided with adhesive material on a second surface of said support member, opposite to said first surface.
- The first seal member and/or at least one said second seal member may include PVC and/or acrylonitrile butadiene rubber.
- The first seal member and/or at least one said second seal member may have a deflection recovery value of at least 40%.
- The support member may be formed from PVC.
- At least one said second seal member may extend from said first surface of said support member at an angle between 10° and 60°.
- According to another aspect of the present invention, there is provided a door assembly comprising a door frame, a door adapted to be mounted to the door frame, and a seal as defined above.
- According to a further aspect of the present invention, there is provided a method of manufacturing a seal for mounting to a door frame, the method comprising co-extruding:
- an elongate support member;
- a resilient first seal member extending from a first surface of said support member such that said first seal member is adapted to be held in a deformed state by engagement with a first surface of a door frame by means of mounting of said support member to a second surface of said door frame, substantially perpendicular to said first surface of said door frame;
- at least one resilient second seal member extending from said first surface of said support member, wherein said first seal member and the or each said second seal member are adapted to be engaged by a door mounted to said door frame and when in a closed position; and
- at least one member of intumescent material mounted to said support member and adapted to expand as a result of contact with fire.
- By co-extruding the various components of the seal, this provides the advantage of minimising the tendency of the intumescent material to become detached from the support member in the event of contact with fire.
- A preferred embodiment of the invention will now be described, by way of example only and not in any limitative sense, with reference to the accompanying drawings in which:-
-
Figure 1 is a side cross-sectional view of a known combined smoke and fire seal; -
Figure 2 is a schematic side cross-sectional view of the seal ofFigure 1 in use on a door assembly -
Figure 3 is a side cross-sectional view of a seal embodying the present invention; -
Figure 4 is an enlarged view of part of the seal ofFigure 3 ; -
Figure 5 is a schematic perspective view of the seal ofFigure 3 mounted to a door frame with the door removed; and -
Figure 6 is a schematic perspective view of the door frame ofFigure 5 with the door in place and in a closed position. - Referring to
Figure 3 , a fire andsmoke seal 102 embodying the present invention comprises anelongate base member 104 of substantially rigid PVC material which is coextruded with afirst seal member 106, a pair ofsecond seal members elongate strip 112 of intumescent material, such as graphite in a PVC matrix, and which is adapted to expand when it comes into contact with fire. As a result of the coextrusion of theintumescent material 112 with thebase member 104, theintumescent material 112 is securely bonded to thebase member 104 which has the advantage of minimising the tendency of theintumescent material 112 to become detached from thebase member 104 as it expands. - The
first seal member 106 extends from an edge of afirst surface 114 of thebase member 104 at an angle of more than 90°, typically 95° to 100°, such that theseal 102 can be mounted to a first surface 116 (Figure 5 ) of adoor frame 118 and thefirst seal member 106 resiliently engage asecond surface 120 of thedoor frame 118 perpendicular to thefirst surface 116. This enables thefirst surface 116 to be maintained in a deformed state in contact with thesecond surface 120 of thedoor frame 118, without the necessity of fixing theseal 102 to thesecond surface 120 of thedoor frame 118, as shown inFigures 5 and6 . - The
second seal members first surface 114 of thesupport member 104 at an angle of approximately 40°, and are adapted to be engaged by adoor 122 in its closed position such that thesecond seal members first surface 114 of thesupport member 104. As a result, air, acoustic and smoke seals are formed by thesecond seal members door 122 and thefirst surface 116 of thedoor frame 118. - The
seal 102 of the present invention is mounted to asingle recess 124 in thedoor frame 118. As a result of this, the advantage is provided that it is not necessary to provide two recesses in the door frame to accommodate an acoustic seal and a smoke/fire seal. In addition, the fire retardant performance of theseal 102 of the present invention has been found to be surprisingly better than that of known fire seals. - It will be appreciated by persons skilled in the art that the above embodiment has been described by way of example only and not in any limitative sense, and that various alterations and modifications are possible without departure from the scope of the invention as defined by the appended claims.
Claims (15)
- A seal for mounting to a door frame, the seal comprising:an elongate support member;a resilient first seal member extending from a first surface of said support member such that said first seal member is adapted to be held in a deformed state by engagement with a first surface of a door frame by means of mounting of said support member to a second surface of said door frame, substantially perpendicular to said first surface of said door frame;at least one resilient second seal member extending from said first surface of said support member, wherein said first seal member and the or each said second seal member are adapted to be engaged by a door mounted to said door frame and when in a closed position; andat least one member of intumescent material mounted in a fixed position relative to said first seal member and the or each said second seal member and adapted to expand as a result of contact with fire.
- A seal according to claim 1, wherein at least one said member of intumescent material is mounted to said support member.
- A seal according to claim 1 or 2, wherein at least one said member of intumescent material forms at least part of said support member.
- A seal according to any one of the preceding claims, wherein said intumescent material includes graphite and PVC.
- A seal according to any one of the preceding claims, wherein said first seal member extends in an undeformed state at an angle greater than 90° to said first surface of said support member.
- A seal according to claim 5, wherein said angle is between 95° and 100°.
- A seal according to any one of the preceding claims, wherein said first seal member has a tapered cross section in a direction extending away from said support member.
- A seal according to any one of the preceding claims, wherein at least one said second seal member extends from said first surface of said support member towards said first seal member.
- A seal according to any one of the preceding claims, wherein at least one said second seal member extends substantially perpendicularly to said first surface of said support member.
- A seal according to any one of the preceding claims, wherein said first seal member and/or at least one said second seal member may include PVC and/or acrylonitrile butadiene rubber.
- A seal according to any one of the preceding claims, wherein said first seal member and/or at least one said second seal member has a deflection recovery value of at least 40%.
- A seal according to any one of the preceding claims, wherein said support member is formed from PVC.
- A seal according to any one of the preceding claims, wherein at least one said second seal member extends from said first surface of said support member at an angle between 10° and 60°.
- A door assembly comprising a door frame, a door adapted to be mounted to the door frame, and a seal according to any one of the preceding claims.
- A method of manufacturing a seal for mounting to a door frame, the method comprising co-extruding:an elongate support member;a resilient first seal member extending from a first surface of said support member such that said first seal member is adapted to be held in a deformed state by engagement with a first surface of a door frame by means of mounting of said support member to a second surface of said door frame, substantially perpendicular to said first surface of said door frame;at least one resilient second seal member extending from said first surface of said support member, wherein said first seal member and the or each said second seal member are adapted to be engaged by a door mounted to said door frame and when in a closed position; andat least one member of intumescent material mounted to said support member and adapted to expand as a result of contact with fire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10159986A EP2378048A1 (en) | 2010-04-15 | 2010-04-15 | Seal for mounting to door frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10159986A EP2378048A1 (en) | 2010-04-15 | 2010-04-15 | Seal for mounting to door frame |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2378048A1 true EP2378048A1 (en) | 2011-10-19 |
Family
ID=42938242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10159986A Withdrawn EP2378048A1 (en) | 2010-04-15 | 2010-04-15 | Seal for mounting to door frame |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2378048A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110283627A1 (en) * | 2010-05-22 | 2011-11-24 | Butterfly Safety Products Llc | Smoke guard device and accessories |
US20140345886A1 (en) * | 2011-11-29 | 2014-11-27 | Sekisui Chemical Co., Ltd. | Thermally expandable multilayer packing for building material |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2356885A (en) | 1999-11-30 | 2001-06-06 | Lorient Polyprod Ltd | Smoke and fire seal |
GB2371827A (en) * | 2001-02-01 | 2002-08-07 | Lorient Polyprod Ltd | Gas seal |
EP2103769A2 (en) * | 2008-03-20 | 2009-09-23 | Poesia AG | Fire-retardant seal for door or window frames |
GB2464089A (en) * | 2008-09-16 | 2010-04-07 | Norseal Ltd | Door seal |
-
2010
- 2010-04-15 EP EP10159986A patent/EP2378048A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2356885A (en) | 1999-11-30 | 2001-06-06 | Lorient Polyprod Ltd | Smoke and fire seal |
GB2371827A (en) * | 2001-02-01 | 2002-08-07 | Lorient Polyprod Ltd | Gas seal |
EP2103769A2 (en) * | 2008-03-20 | 2009-09-23 | Poesia AG | Fire-retardant seal for door or window frames |
GB2464089A (en) * | 2008-09-16 | 2010-04-07 | Norseal Ltd | Door seal |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110283627A1 (en) * | 2010-05-22 | 2011-11-24 | Butterfly Safety Products Llc | Smoke guard device and accessories |
US20140345886A1 (en) * | 2011-11-29 | 2014-11-27 | Sekisui Chemical Co., Ltd. | Thermally expandable multilayer packing for building material |
EP2787035A4 (en) * | 2011-11-29 | 2015-07-08 | Sekisui Chemical Co Ltd | Thermally expandable multilayer packing for building material |
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