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GB2272470A - Sealing strip for edge flange - Google Patents

Sealing strip for edge flange Download PDF

Info

Publication number
GB2272470A
GB2272470A GB9223850A GB9223850A GB2272470A GB 2272470 A GB2272470 A GB 2272470A GB 9223850 A GB9223850 A GB 9223850A GB 9223850 A GB9223850 A GB 9223850A GB 2272470 A GB2272470 A GB 2272470A
Authority
GB
United Kingdom
Prior art keywords
channel
strip
strip according
flange
membrane
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Withdrawn
Application number
GB9223850A
Other versions
GB9223850D0 (en
Inventor
Den Oord Harry Van
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.)
Laird Holdings Ltd
Original Assignee
Draftex Industries Ltd
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 Draftex Industries Ltd filed Critical Draftex Industries Ltd
Priority to GB9223850A priority Critical patent/GB2272470A/en
Publication of GB9223850D0 publication Critical patent/GB9223850D0/en
Priority to DE9317172U priority patent/DE9317172U1/en
Publication of GB2272470A publication Critical patent/GB2272470A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/16Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22Sealing 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
    • E06B7/23Plastic, sponge rubber, or like strips or tubes
    • E06B7/2305Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00Sealing arrangements
    • B60J10/20Sealing arrangements characterised by the shape
    • B60J10/24Sealing arrangements characterised by the shape having tubular parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00Sealing arrangements
    • B60J10/30Sealing arrangements characterised by the fastening means
    • B60J10/32Sealing arrangements characterised by the fastening means using integral U-shaped retainers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00Sealing arrangements
    • B60J10/30Sealing arrangements characterised by the fastening means
    • B60J10/32Sealing arrangements characterised by the fastening means using integral U-shaped retainers
    • B60J10/33Sealing arrangements characterised by the fastening means using integral U-shaped retainers characterised by the configuration of the retaining lips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00Sealing arrangements
    • B60J10/80Sealing arrangements specially adapted for opening panels, e.g. doors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Adornments (AREA)
  • Package Frames And Binding Bands (AREA)

Abstract

A channel-shaped sealing, trimming or finishing strip for an edge, such as a flange around the door opening of a vehicle body, is made of flexible material (10) extruded over a carrier (12) and provides integral oppositely facing shoulders (14, 16) which carry serrations (18). In addition, it comprises integral flaps (20, 22) between which extends an integral flexible membrane (24) carrying shoulders (26, 27) with serrations (28). In use, the strip is placed over the flange which enters the slot (30). The strip is pressed down onto the flange so that the membrane (24) is forced upwardly between the shoulders (14, 16) which press the facing internal surfaces of the slot (30) into tight frictional contact with the sides of the flange and the serrations (18, 28) interlock to hold the membrane (24) in this flange-gripping position. <IMAGE>

Description

SEALING, TRIMMING OR FINISHING STRIPS The invention relates to sealing, trimming or finishing strips. Strips embodying the invention may be used, for example, in motor vehicle body construction such as for sealing, trimming or finishing bodywork edge flanges such as edge flanges around vehicle door openings. However, they may be used for other purposes.
Sealing, trimming and finishing strips are known which are of channel-form and which incorporate flexible material (such as plastics or rubber material) and which, in use, are placed over an edge, such as a bodywork edge flange in vehicle body. They thus protect and trim the edge and may serve a sealing purpose as well, such as by sealing against a closure member. In particular, such channel-shaped strips may support an additional sealing part which is mounted on an outside wall of the channel so as to extend along the length of the strip and to be positioned so as partially to be compressed by the closure member. It is important that such channel-shaped strips remain in position throughout their expected life. In other words, they must remain secured in position on the flange. On the other hand, though, they must be relatively easy to fit initially.
According to the invention, there is provided a sealing, trimming or finishing strip embracingly securable to a support, comprising material defining opposed surfaces resiliently biassed towards each other and extending along the length of the strip for receiving the support between them, and locking means connected to the said material and adapted to be interlockably -interposed between and in frictional contact with at least one of the surfaces and an adjacent face of the support.
According to the invention, there is further provided a channel-shaped sealing, trimming or finishing- strip for embracingly gripping a mounting flange or the like such as in motor vehicle body construction, comprising channel-shaped resiliently biassed material, means on portions of the opposed inside facing surfaces of the channel defining surface interruptions, a membrane made of flexible material and integrally extending across the mouth of the channel from the material on one side of the channel to the material on the other side thereof but of greater width than the width across the mouth of the channel, whereby the material of the membrane is pushed into the interior of the channel when the channel is placed over and forced onto the flange so that a respective portion of the material of the membrane on each of the longitudinally extending side faces of the flange is pressed between and in frictional contact with that side face and the corresponding inside surface of the channel, each said portion of the membrane including interruptions for lockably engaging the interruptions on the said portions of the inside facing surfaces of the channel.
According to the invention, there is also provided a channel-shaped sealing, trimming or finishing strip for embracingly gripping a mounting flange or the like such as in motor vehicle body construction, comprising relatively stiff material defining an outer channel, and relatively more flexible material defining an inner channel, the inner channel extending into the mouth of the outer channel and the material along the margins of the mouth of the inner channel being secured to the material along the margins of the outer channel so that the material of the inner channel closes off the mouth of the outer channel, the inner channel being sized to embracingly grip the mounting flange when placed thereover so that the material defining the inner channel is pressed into the interior of the outer channel and is interlockably trapped between each inside wall of the outer channel and the corresponding face of the flange.
Channel-shaped sealing, trimming or finishing strips embodying the invention and for use in motor vehicle body construction will now be described, by way of example only, with reference to the accompanying diagrammatic drawings in which: Figure 1 is a cross-section through one of the strips, taken on the line I-I of Figure 4; Figure 2 is a cross-section corresponding to Figure 1 but showing the strip in the process of being fitted onto a bodywork flange in a motor vehicle body; Figure 3 is a cross-section corresponding to Figure 1 but showing the strip at an earlier stage in its manufacture; and Figure 4 is a perspective view of the strip of Figure 1 but modified to incorporate an additional sealing part.
Referring to Figure 1, the strip is of channel-form, defining a channel 8, and is made of extruded rubber or plastics material 10. In this example, the material 10 is extruded over a reinforcing core or carrier 12 which may be made of metal. The carrier 12 may take any suitable form. For example, it may simply be made of channel-shaped metal which may be solid (that is, unapertured) or it may be apertured, and it may be plain or corrugated for example. Instead, however, it may be made up of U-shaped elements arranged side-by-side to define the channel and either completely disconnected from each other or connected by connecting links which may be integral. Looped wire may be used instead. Other forms of carrier are possible and need not be made of metal.
However, it is to be understood that there may be no carrier at all.
In the case where a carrier is present, the plastics or rubber material 10 may be extruded over the carrier by means of a known cross-head extrusion process.
The extruded material 10 defines serrated and opposed raised shoulders 14 and 16 on the opposite facing inside walls of the strip, these shoulders defining serrations indicated generally at 18. In the example illustrated, there are four such serrations on each shoulder, but there may be more or less than this number as required.
In addition, the extruded material 10 on the outside of the carrier 12 is extended away from the mouth of the channel to form flaps 20 and 22 between whose facing surfaces extends a membrane 24. The membrane 24 has thickened shoulders 26 and 27 carrying serrations 28 on their outwardly facing surfaces. An inner channel or slot 30 is defined between the shoulders 26 and 27.
The extruded material 10, the shoulders 14 and 16, the flaps 20 and 22, and the membrane 24 are all extruded integrally. The die through which the material is extruded is correspondingly shaped.
However, it is not necessary for all the extruded material to be of the same hardness. The extrusion process may be such that different portions of the extruded material have different hardnesses. For example, the portion of the extruded material on the outside of the carrier may be relatively hard, although advantageously the material of the flaps 20 and 22 would be softer or more flexible as would the parts of the membrane 24 directly attached to the flaps. The shoulders 14,16,26 and 27 could be made of relatively harder or more rigid material.
In use, the strip of Figure 1 is placed in position on a bodywork flange 32 in a motor vehicle body in the manner shown in Figure 2, so that the flange 32 extends into the channel 30 (see Fig. 1). The flange 32 may for example be a flange extending round a door opening on the vehicle.
The width of channel 30 is substantially the same as the thickness of the flange 32. The strip is then pressed downwardly onto the flange in the direction of the arrow A (Fig. 2) so that the membrane 24 is pushed upwardly into the interior of the channel 8. This causes the shoulders 26 and 27 of the membrane 24 to be pushed upwardly between the shoulders 14 and 16 so that the serrations 28 interlock with the serrations 18 and so that the facing surfaces of the membrane 24 defining the channel 30 are pressed into tighter frictional engagement with the sides of the flange 32 by the pressure produced by the resilience of the channel-shaped strip (including the resilience of the carrier 12 where fitted).The interlock between the serrations 18 and 28 prevents the membrane 24 moving out of the mouth of the channel of the strip, and the tight frictional engagement between the membrane 24 and the flange 32 is thus maintained. The shoulders 14,16,26 and 27 are wedge-shaped so that the frictional force exerted on the flange increases as the membrane 24 is pushed further into the channel 8.
The channel-shaped strip is thus firmly held in position on the flange.
The pressure applied (in the direction of the arrow A, Fig. 2) to mount the strip onto the flange 32 may be maintained until the apex 34 (Fig. 2) of the outside of the membrane 24 comes into contact with (or nearly so) the inverted base of the interior of the channel.
As shown in Figure 4, the channel-shaped strip may carry a sealing part 40 which is attached along one outside wall of the channel and runs along the length of the channel.
The sealing part 40 may be integrally extruded with the material 10. instead, it can be extruded separately (from plastics or rubber material, for example) and then attached to the channel-shaped strip such as by adhesive.
Advantageously, it is made of expanded or "foamed" material so as to be of greater softness and flexibility.
The channel-shaped strip mounts the sealing part 40 in such relationship to the flange 32 that the sealing part 40 runs around the door opening so that it is contacted and partially compressed by the periphery of the closing door, thereby providing a weather-proof seal.
The strip described is advantageous in that the membrane 24 entirely closes off the inside of the channel 8. When positioned on the flange (as shown in Figure 2), the membrane completely prevents water or moisture from entering the interior of the channel 8, travelling round the inside of this channel, and exiting on the opposite side.
The distal edges of the flaps 20 and 22 may be arranged to be brought into sealing contact with the side faces of the flange.
The extrusion process may be arranged so that the initially extruded material has the shape shown in Figure 3, the membrane then being pushed up inside the channel 8.

Claims (18)

1. A sealing, trimming or finishing strip embracingly securable to a support, comprising material defining opposed surfaces resiliently biassed towards each other and extending along the length of the strip for receiving the support between them, and locking means connected to the said material and adapted to be interlockably interposed between and in frictional contact with at least one of the surfaces and an adjacent face of the support.
2. A strip according to claim 1, in which the material is channel-shaped and the said surfaces are the respective inside facing surfaces of a channel having a mouth and a base both extending along the length of the strip.
3. A strip according to claim 2, including a reinforcing carrier embedded in the channel-shaped material.
4. A strip according to any preceding claim, in which the locking means comprises flexible material extending from one of the surfaces to the other thereof.
5. A strip according to claim 2 or 3, in which the locking means comprises flexible material extending from adjacent a margin of one said surface in the region of the mouth of the channel to the corresponding margin of the other said surface, and in which the support is generally planar defining a distal edge which in use extends into the channel and is overlapped by this flexible material, such that this flexible material extends between one said surface and the adjacent face of the support, over that face of the support, over the distal edge of the support adjacent the base of the channel, and over the other face of the support and between that face and the other said surface.
6. A strip according to any preceding claim, in which the locking means is interlockably secured to the or each said surface by engagement of surface interruptions.
7. A channel-shaped sealing, trimming or finishing strip for embracingly gripping a mounting flange or the like such as in motor vehicle body construction, comprising channel-shaped resiliently biassed material, means on portions of the opposed inside facing surfaces of the channel defining surface interruptions, a membrane made of flexible material and integrally extending across the mouth of the channel from the material on one side of the channel to the material on the other side thereof but of greater width than the width across the mouth of the channel, whereby the material of the membrane is pushed into the interior of the channel when the channel is placed over and forced onto the flange so that a respective portion of the material of the membrane on each of the longitudinally extending side faces of the flange is pressed between and in frictional contact with that side face and the corresponding inside surface of the channel, each said portion of the membrane including interruptions for lockably engaging the interruptions on the said portions of the inside facing surfaces of the channel.
8. A strip according to claim 7, in which the said portions of the opposed inside facing surfaces of the channel are closer to each other within the channel than they are nearer to the mouth of the channel.
9. A strip according to claim 8, in which the said portions of the membrane are wedge-shaped in cross-section, decreasing in thickness towards the middle of the width of the membrane.
10. A channel-shaped sealing, trimming or finishing strip for embracingly gripping a mounting flange or the like such as in motor vehicle body construction, comprising relatively stiff material defining an outer channel, and relatively more flexible material defining an inner channel, the inner channel extending into the mouth of the outer channel and the material along the margins of the mouth of the inner channel being secured to the material along the margins of the outer channel so that the material of the inner channel closes off the mouth of the outer channel, the inner channel being sized to embracingly grip the mounting flange when placed thereover so that the material defining the inner channel is pressed into the interior of the outer channel and is interlockably trapped between each inside wall of the outer channel and the corresponding face of the flange.
11. A strip according to claim 10, in which the material of the inner channel is interlockably trapped by means of surface interruptions respectively carried by the material of the inside walls of the outer channel and the material of the outside walls of the inner channel.
12. A strip according to claim 11, in which the surface interruptions are serrations running longitudinally along the strip.
13. A strip according to any one of claims 10 to 12, in which the margins of the material of the inner channel adjacent the mouth thereof are secured to the corresponding margins of the material of the -outer channel by means of flexible extensions of the latter.
14. A strip according to any one of claims 10 to 13, in which the material of the inner channel is integral with the material of the outer channel.
15. A strip according to any one of claims 10 to 14, including a reinforcing carrier embedded within the material defining the outer channel.
16. A strip according to any one of claims 10 to 15, in which the said material is extruded plastics or rubber material.
17. A strip according to any preceding claim, including a soft sealing part mounted on and running along an outermost surface thereof.
18. A sealing, trimming or finishing strip, substantially as described with reference to the accompanying drawings.
GB9223850A 1992-11-13 1992-11-13 Sealing strip for edge flange Withdrawn GB2272470A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9223850A GB2272470A (en) 1992-11-13 1992-11-13 Sealing strip for edge flange
DE9317172U DE9317172U1 (en) 1992-11-13 1993-11-10 Sealing, decorative or end strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9223850A GB2272470A (en) 1992-11-13 1992-11-13 Sealing strip for edge flange

Publications (2)

Publication Number Publication Date
GB9223850D0 GB9223850D0 (en) 1993-01-06
GB2272470A true GB2272470A (en) 1994-05-18

Family

ID=10725060

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9223850A Withdrawn GB2272470A (en) 1992-11-13 1992-11-13 Sealing strip for edge flange

Country Status (2)

Country Link
DE (1) DE9317172U1 (en)
GB (1) GB2272470A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845951A1 (en) * 2002-10-22 2004-04-23 Tokiwa Chem Ind Ltd Extruded trim strip especially for motor vehicle body components has U-section core of synthetic resin and covering layer of synthetic resin or rubber
GB2413144A (en) * 2004-04-16 2005-10-19 Tokiwa Chem Ind Ltd Extruded vehicle aperture strip with push-in portion
FR2887823A1 (en) * 2005-06-30 2007-01-05 Tokiwa Chem Ind Ltd Extrusion molded product for e.g. passenger car, has core material made of hard synthetic resin, and soft synthetic resin coating bodies in which one body has embedded part with support elements and pushed towards inner peripheral surface
JP2010023530A (en) * 2008-07-15 2010-02-04 Kinugawa Rubber Ind Co Ltd Welt

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727182A1 (en) * 1994-11-23 1996-05-24 Standard Products Ind Clip and sealing joint between rebate in structure of vehicle body-work and window pane
GB9515097D0 (en) * 1995-07-21 1995-09-20 Standard Prod Ltd Attachable elongate strip

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1280230A (en) * 1969-07-24 1972-07-05 Draftex G M B H Improvements in and relating to sealing strips
GB2006309A (en) * 1977-10-18 1979-05-02 Profil Sa Ind Financ Le Improvements Relating to Sealing and Protecting Strips for Metal Flanges or the Like
GB2163470A (en) * 1984-08-23 1986-02-26 Silent Channel Prod Ltd Sealing strip
GB2172642A (en) * 1985-03-21 1986-09-24 Silent Channel Prod Ltd Sealing strip
GB2193242A (en) * 1986-08-01 1988-02-03 Silent Channel Prod Ltd A sealing strip structure
EP0279100A1 (en) * 1987-01-28 1988-08-24 Gencorp Inc. Weatherstripping e.g. for automobiles
US4869945A (en) * 1988-05-09 1989-09-26 General Motors Corporation Weatherstrip carrier
EP0336786A1 (en) * 1988-03-28 1989-10-11 Etablissements Mesnel Societe Anonyme Dite : Weatherstrip for a vehicle trunk, in particular for a car trunk
US4937126A (en) * 1988-05-03 1990-06-26 The Standard Products Company Smooth flexible flange cover

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1280230A (en) * 1969-07-24 1972-07-05 Draftex G M B H Improvements in and relating to sealing strips
GB2006309A (en) * 1977-10-18 1979-05-02 Profil Sa Ind Financ Le Improvements Relating to Sealing and Protecting Strips for Metal Flanges or the Like
GB2163470A (en) * 1984-08-23 1986-02-26 Silent Channel Prod Ltd Sealing strip
GB2172642A (en) * 1985-03-21 1986-09-24 Silent Channel Prod Ltd Sealing strip
GB2193242A (en) * 1986-08-01 1988-02-03 Silent Channel Prod Ltd A sealing strip structure
EP0279100A1 (en) * 1987-01-28 1988-08-24 Gencorp Inc. Weatherstripping e.g. for automobiles
EP0336786A1 (en) * 1988-03-28 1989-10-11 Etablissements Mesnel Societe Anonyme Dite : Weatherstrip for a vehicle trunk, in particular for a car trunk
US4937126A (en) * 1988-05-03 1990-06-26 The Standard Products Company Smooth flexible flange cover
US4869945A (en) * 1988-05-09 1989-09-26 General Motors Corporation Weatherstrip carrier

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845951A1 (en) * 2002-10-22 2004-04-23 Tokiwa Chem Ind Ltd Extruded trim strip especially for motor vehicle body components has U-section core of synthetic resin and covering layer of synthetic resin or rubber
GB2413144A (en) * 2004-04-16 2005-10-19 Tokiwa Chem Ind Ltd Extruded vehicle aperture strip with push-in portion
GB2413144B (en) * 2004-04-16 2008-10-22 Tokiwa Chem Ind Ltd Extrusion molded product having core material
FR2887823A1 (en) * 2005-06-30 2007-01-05 Tokiwa Chem Ind Ltd Extrusion molded product for e.g. passenger car, has core material made of hard synthetic resin, and soft synthetic resin coating bodies in which one body has embedded part with support elements and pushed towards inner peripheral surface
JP2010023530A (en) * 2008-07-15 2010-02-04 Kinugawa Rubber Ind Co Ltd Welt

Also Published As

Publication number Publication date
GB9223850D0 (en) 1993-01-06
DE9317172U1 (en) 1994-01-13

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)