CA1114123A - Mechanical securement of extrusions - Google Patents
Mechanical securement of extrusionsInfo
- Publication number
- CA1114123A CA1114123A CA291,379A CA291379A CA1114123A CA 1114123 A CA1114123 A CA 1114123A CA 291379 A CA291379 A CA 291379A CA 1114123 A CA1114123 A CA 1114123A
- Authority
- CA
- Canada
- Prior art keywords
- teeth
- rear face
- extrusion
- body portion
- strip
- 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.)
- Expired
Links
Classifications
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/60—Riveting or staking
- B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
- B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24281—Struck out portion type
- Y10T428/24289—Embedded or interlocked
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
- Y10T428/24331—Composite web or sheet including nonapertured component
- Y10T428/24339—Keyed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24496—Foamed or cellular component
- Y10T428/24504—Component comprises a polymer [e.g., rubber, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
- Y10T428/24537—Parallel ribs and/or grooves
Abstract
ABSTRACT OF THE DISCLOSURE
An elongated extruded strip adapted to be mechanically secured to a slotted sheet-like substrate is provided by extruding an elongated thermoplastic strip having a body portion which includes a rear face having a rearwardly projecting rail and then notching out longi-tudinally spaced portions of the rail to provide longitud-inallt spaced teeth. The strip is pressed against the sheet to force the teeth through the slots and heat is applied to the portions of the teeth which project through the slots to form a head or bead on the teeth and thereby mechanically secure the strip to the substrate. The strip is preferably formed to include at least one side support and/or at least one resilient adhesive tape may be used to allow the strip to deform when pressed against the sub-strate to force the teeth to project further through the slots to insure a tight securement. The teeth may have an arrowhead when the sheet-like substrate is of uniform thickness.
An elongated extruded strip adapted to be mechanically secured to a slotted sheet-like substrate is provided by extruding an elongated thermoplastic strip having a body portion which includes a rear face having a rearwardly projecting rail and then notching out longi-tudinally spaced portions of the rail to provide longitud-inallt spaced teeth. The strip is pressed against the sheet to force the teeth through the slots and heat is applied to the portions of the teeth which project through the slots to form a head or bead on the teeth and thereby mechanically secure the strip to the substrate. The strip is preferably formed to include at least one side support and/or at least one resilient adhesive tape may be used to allow the strip to deform when pressed against the sub-strate to force the teeth to project further through the slots to insure a tight securement. The teeth may have an arrowhead when the sheet-like substrate is of uniform thickness.
Description
The present invention relates to elongated thermo-plastic strips or extrusions which are used for decorative and other purposes and to mechanical means for securing such strips to a supporting surface, especially to foamed layers which may possess varying thicknesses. The invention includes a contin-uous extrusion process for the production of such strips. -In accordance with one aspect of the present invention, --there is provided an extrustion adapted to be mechanically secured to a slotted sheet-like substrate, said extrusion pro-viding an elongated strip having a body portion including arear face having at least one row of centrally positioned longi-tudinally spaced rearwardly projecting teeth, said rear face of said body portion having secured thereto at least one resilient tape positioned at one side of said teeth.
In accordance with another aspect of this invention, a thermo-plastic material, such as clear or pigmented polyvinyl chloride, is continuously extruded in any desired cross-sectional configuration including a rear face having at least one rear~
wardly projecting rail. Longitudinally spaced apart sections o~ this rail are removed, as by notching, to provide longitudin-ally spaced rearwardly projecting teeth which enable mechanical .securement of the extrusion to a supporting substrate having slots through which the teeth are extended. When the supporting ~ -substrate is of constant thickness, then the rail can be pre~
formed to include an arrow-shaped head which can be forced through the slot to expand behind the slot in the substrate and thereby mechanically lock the strip or extrusion to the substrate.
When the supporting substrate is o~ variable thickness, as is encountered with a foamed urethane bumper having a thin facia on which it is intended to mount the extrusion, then the teeth need
In accordance with another aspect of this invention, a thermo-plastic material, such as clear or pigmented polyvinyl chloride, is continuously extruded in any desired cross-sectional configuration including a rear face having at least one rear~
wardly projecting rail. Longitudinally spaced apart sections o~ this rail are removed, as by notching, to provide longitudin-ally spaced rearwardly projecting teeth which enable mechanical .securement of the extrusion to a supporting substrate having slots through which the teeth are extended. When the supporting ~ -substrate is of constant thickness, then the rail can be pre~
formed to include an arrow-shaped head which can be forced through the slot to expand behind the slot in the substrate and thereby mechanically lock the strip or extrusion to the substrate.
When the supporting substrate is o~ variable thickness, as is encountered with a foamed urethane bumper having a thin facia on which it is intended to mount the extrusion, then the teeth need
2~
not include any preformed head. This is because each tooth need merely be e~tended through the slot and the portion of the tooth which projects through the slot can be heated, with or without pressure, to cause the projecting portion of the thermoplastic tooth to form a bead which locks the tooth -2a-. . .
.-ln place. The action is similar to that o~ a rivet which is shaped to form a head at the rear of two slotted struc~
tures to be joined, and it does not matter how much of the rivet e~tends through the slotted s-tructures being Jcined because the head is ~ormed in situ out of the portion which projects through the slots.
In the pre~erred practice o~ this invention, the rear face of the extrusion is ~ormed to include at least one side support and the rearwardly projecting rail is centrally positioned to depend from a recess in the body o~
the extrusion. In this way, the flexible extrusion can be ; ~ ~
pressed ~.gainst the supporting substrate to de~orm the extrusion and thereby force the teeth to project through the slots in the substrate :Eor a greaker distance than would be the case i~ there were no pressure. Then, when the head is formed by heating the portion o:E the teeth which pro~ects, the released extrusion is more tightly secured than would other~ise be the case. The same would apply to a tooth preformed with an arrowhead in that the ~ ;~
flexibility of the extrusion helps -to insure a tight secure~
ment.
It is also preferred to employ a resilient adhe~
sive strip or tape on at least one side of the teeth. This ~ `
allows an adhesive bond to supplement the mechanical secure-ment to the substrate, and it also provides a resilient , layer to help hold the extrusion tightly in place. The side support and the resi].ient strip or tape can be used alterna-tively or together.
Also, one or more rails can be used to ~orm one or more rows of teeth after the rail has been appropriately notched.
not include any preformed head. This is because each tooth need merely be e~tended through the slot and the portion of the tooth which projects through the slot can be heated, with or without pressure, to cause the projecting portion of the thermoplastic tooth to form a bead which locks the tooth -2a-. . .
.-ln place. The action is similar to that o~ a rivet which is shaped to form a head at the rear of two slotted struc~
tures to be joined, and it does not matter how much of the rivet e~tends through the slotted s-tructures being Jcined because the head is ~ormed in situ out of the portion which projects through the slots.
In the pre~erred practice o~ this invention, the rear face of the extrusion is ~ormed to include at least one side support and the rearwardly projecting rail is centrally positioned to depend from a recess in the body o~
the extrusion. In this way, the flexible extrusion can be ; ~ ~
pressed ~.gainst the supporting substrate to de~orm the extrusion and thereby force the teeth to project through the slots in the substrate :Eor a greaker distance than would be the case i~ there were no pressure. Then, when the head is formed by heating the portion o:E the teeth which pro~ects, the released extrusion is more tightly secured than would other~ise be the case. The same would apply to a tooth preformed with an arrowhead in that the ~ ;~
flexibility of the extrusion helps -to insure a tight secure~
ment.
It is also preferred to employ a resilient adhe~
sive strip or tape on at least one side of the teeth. This ~ `
allows an adhesive bond to supplement the mechanical secure-ment to the substrate, and it also provides a resilient , layer to help hold the extrusion tightly in place. The side support and the resi].ient strip or tape can be used alterna-tively or together.
Also, one or more rails can be used to ~orm one or more rows of teeth after the rail has been appropriately notched.
-3- -,~
.
The inventi.on will be more fully understood from a description o~ some preferred forms of the lnvention which are illustrative and which arc shown in the accompanying clrawings in which:
FIG. 1 is a vertical cross-~section taken through an extrusion formed in accordance with the invention af~er the rail portion has been notched out to form securing teeth, the cross section being taken between adjacent teeth;
FIG. 2 is a side elevation of the extrusion shown 10 in FIG. l; .~ ;
FIG. 3 is a vertical cross-section like FIG. 1, but showing an alternate construction in accordance with the invention; `
FIG. 4 shows the FIG. 1 extrusion loc~ed in place on a ~oamed :Eacia; and FIG. 5 is a vertical cross-section like FIG. 1, and showing a construction usin~ resilient tapes on both sides o~ a centrally posltloned row o~ teeth with a~rowheads.
Referring more particularly to the drawings, 20 FIG. 1 shows an extrusion ~hich would be useful as a bumper ~.
insert, so~etimes called a ner~ strip, in which the strip body 10 has a ~orward ~ace 11 and a rear face 12, the rear face including side supports 13 and 14 which create a .
bridge portion 15 providing a recess 16. A tooth 17 pro- :
jects rearwardly ~rom the bri.dge portion 15 to provide 2 ~ :
mechanical fastening element the action o~ which will be described more fully hereafter. On either side of tooth -17 within the recess 16 is a layer o~ butyl. tape 18 and :~:
19 which provide an adhesive supplement to the mechanical 30 securement ancl a res:ilient layer hetween the bridge portion 15 and the su'bst:rate -to which the strip is ultimately secured. This resilient layer helps to supply a firm connee-t;on and eases the strain on the teeth 17.
It will be appreciated that the strip body 10 is an extrusion w'nich has been cut to desired length, and this means tha-t the body 10 is of uniform cross-section through-out lts length. The tapes 18 and 19 also preferably extend Erom one end of the strip to the other. The teeth 17 were --initially part of a continuous rail 20 shown in phantom in FIG. 2, but spaced portions thereoE were notched out as identified by numeral 21 to provide the teeth 17.
A variation in the structure of the strip is ~ ;
i:llustrated in FIG. 3 where only a single side suppor-t 24 is employed with a balancing butyl tape 22 being used on the '~ ';' opposite side of tooth 23. In this form of the invention, ~' the bridge portion 25 flexes between the side support 24 and the single tape 22. ';~
The toothed strip is used in the manner illustrated in FIG. 4 where 30 identifies a foamed polyurethane sheet-20 like element which is a portion (a facia) of an automobile ':
bum~er to which a nerf strip is to be secured~ This sheet ' portion 30 may have a thickness ranging from 0.100 inch to 0.150 inch and is formed to include slots 31 which are spaced to receive the teeth 17. The variation in thickness may exceed the noted limits which are simply illustrative.
If sheet portion 30 were of uniform predetermined thickness, - ~
then the teeth 17 could be formed with an arrow-shaped head ::' ~0 (as sho~ in FIG. 5), which could be forced thro-ugh the '~
slot 31. Since the thickness is a variable, the tooth 17 is not headed. Instead~ and after tooth 17 is inserted, the -5~
portion thereof which extends beyond the sheet portion 30 is heated to cause the plastic to melt and form the head 32.
Pressure may be used to shape h~ad 32 as desired, buL this is optional.
Any thermoplastic material may be extruded to provide the elongated strip product, polyvinyl chloride (preferably pigmented) being pre~erred, but other thermo-plastics, such as cellulose acetate butyrate or nylon may be used. Flexible materials are particularly preferred, and flexible polyvinyl chloride is available as is also flexible thermoplastic rubber, and these two flexible therm-oplastics may bé used in admixture.
-&- ~
... ...... ,.. ,.. , ~ .
.
The inventi.on will be more fully understood from a description o~ some preferred forms of the lnvention which are illustrative and which arc shown in the accompanying clrawings in which:
FIG. 1 is a vertical cross-~section taken through an extrusion formed in accordance with the invention af~er the rail portion has been notched out to form securing teeth, the cross section being taken between adjacent teeth;
FIG. 2 is a side elevation of the extrusion shown 10 in FIG. l; .~ ;
FIG. 3 is a vertical cross-section like FIG. 1, but showing an alternate construction in accordance with the invention; `
FIG. 4 shows the FIG. 1 extrusion loc~ed in place on a ~oamed :Eacia; and FIG. 5 is a vertical cross-section like FIG. 1, and showing a construction usin~ resilient tapes on both sides o~ a centrally posltloned row o~ teeth with a~rowheads.
Referring more particularly to the drawings, 20 FIG. 1 shows an extrusion ~hich would be useful as a bumper ~.
insert, so~etimes called a ner~ strip, in which the strip body 10 has a ~orward ~ace 11 and a rear face 12, the rear face including side supports 13 and 14 which create a .
bridge portion 15 providing a recess 16. A tooth 17 pro- :
jects rearwardly ~rom the bri.dge portion 15 to provide 2 ~ :
mechanical fastening element the action o~ which will be described more fully hereafter. On either side of tooth -17 within the recess 16 is a layer o~ butyl. tape 18 and :~:
19 which provide an adhesive supplement to the mechanical 30 securement ancl a res:ilient layer hetween the bridge portion 15 and the su'bst:rate -to which the strip is ultimately secured. This resilient layer helps to supply a firm connee-t;on and eases the strain on the teeth 17.
It will be appreciated that the strip body 10 is an extrusion w'nich has been cut to desired length, and this means tha-t the body 10 is of uniform cross-section through-out lts length. The tapes 18 and 19 also preferably extend Erom one end of the strip to the other. The teeth 17 were --initially part of a continuous rail 20 shown in phantom in FIG. 2, but spaced portions thereoE were notched out as identified by numeral 21 to provide the teeth 17.
A variation in the structure of the strip is ~ ;
i:llustrated in FIG. 3 where only a single side suppor-t 24 is employed with a balancing butyl tape 22 being used on the '~ ';' opposite side of tooth 23. In this form of the invention, ~' the bridge portion 25 flexes between the side support 24 and the single tape 22. ';~
The toothed strip is used in the manner illustrated in FIG. 4 where 30 identifies a foamed polyurethane sheet-20 like element which is a portion (a facia) of an automobile ':
bum~er to which a nerf strip is to be secured~ This sheet ' portion 30 may have a thickness ranging from 0.100 inch to 0.150 inch and is formed to include slots 31 which are spaced to receive the teeth 17. The variation in thickness may exceed the noted limits which are simply illustrative.
If sheet portion 30 were of uniform predetermined thickness, - ~
then the teeth 17 could be formed with an arrow-shaped head ::' ~0 (as sho~ in FIG. 5), which could be forced thro-ugh the '~
slot 31. Since the thickness is a variable, the tooth 17 is not headed. Instead~ and after tooth 17 is inserted, the -5~
portion thereof which extends beyond the sheet portion 30 is heated to cause the plastic to melt and form the head 32.
Pressure may be used to shape h~ad 32 as desired, buL this is optional.
Any thermoplastic material may be extruded to provide the elongated strip product, polyvinyl chloride (preferably pigmented) being pre~erred, but other thermo-plastics, such as cellulose acetate butyrate or nylon may be used. Flexible materials are particularly preferred, and flexible polyvinyl chloride is available as is also flexible thermoplastic rubber, and these two flexible therm-oplastics may bé used in admixture.
-&- ~
... ...... ,.. ,.. , ~ .
Claims (5)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An extrusion adapted to be mechanically secured to a slotted sheet-like substrate, said extrusion providing an elongated strip having a body portion including a rear face having at least one row of centrally positioned longitudinally spaced rearwardly projecting teeth, said rear face of said body portion having secured thereto at least one resilient tape positioned at one side of said teeth.
2. An extrusion adapted to be mechanically secured to a slotted sheet-like substrate, said extrusion providing an elongated strip having a body portion including a rear face having at least one row of centrally positioned longitudinally spaced rearwardly projecting teeth, the rear face of said body portion being formed to include at least one side support so that said teeth extend rearwardly from a recess in the body of the extrusion, and said rear face of said body portion having secured thereto at least one resilient tape positioned at the side of said teeth opposite to the side occupied by said side support.
3. An extrusion adapted to be mechanically secured to a slotted sheet-like substrate, said extrusion being thermo-plastic and having a body portion including a rear face which is formed to include at least one side support and a centrally positioned recess from which extends a rearwardly projecting rail which is notched out to form longitudinally spaced rear-wardly projecting teeth, said rear face having secured thereto at least one resilient adhesive tape positioned at one side of said teeth.
4. An extrusion adapted to be mechanically secured to a slotted sheet of uniform thickness, said extrusion having a plastic body portion including a rear face which is formed to include a centrally positioned rearwardly projecting rail which is notched out to form longitudinally spaced rearwardly pro-jecting teeth having an arrow-shaped head, said rear face having secured thereto resilient adhesive tapes, one of said tapes being positioned on each side of said teeth.
5. A method of forming an elongated strip having a rear face carrying longitudinally spaced rearwardly projecting teeth enabling mechanical securement of said strip to a slotted sheet-like substrate comprising, extruding a thermo-plastic material to form a body portion of uniform cross-section including a rear face which includes at least one side support providing a central recess and a centrally positioned rearwardly projecting rail, and notching out longitudinally spaced portions of said rail to provide longitudinally spaced teeth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/779,590 US4139664A (en) | 1977-03-21 | 1977-03-21 | Mechanical securement of extrusions |
| US779,590 | 1977-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1114123A true CA1114123A (en) | 1981-12-15 |
Family
ID=25116911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA291,379A Expired CA1114123A (en) | 1977-03-21 | 1977-11-21 | Mechanical securement of extrusions |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4139664A (en) |
| CA (1) | CA1114123A (en) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54144643U (en) * | 1978-03-31 | 1979-10-06 | ||
| JPS54144642U (en) * | 1978-03-31 | 1979-10-06 | ||
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| US8555566B2 (en) | 2007-08-06 | 2013-10-15 | California Expanded Metal Products Company | Two-piece track system |
| US8087205B2 (en) | 2007-08-22 | 2012-01-03 | California Expanded Metal Products Company | Fire-rated wall construction product |
| US10619347B2 (en) | 2007-08-22 | 2020-04-14 | California Expanded Metal Products Company | Fire-rated wall and ceiling system |
| US8671632B2 (en) | 2009-09-21 | 2014-03-18 | California Expanded Metal Products Company | Wall gap fire block device, system and method |
| US9683364B2 (en) | 2010-04-08 | 2017-06-20 | California Expanded Metal Products Company | Fire-rated wall construction product |
| US10184246B2 (en) | 2010-04-08 | 2019-01-22 | California Expanded Metal Products Company | Fire-rated wall construction product |
| US10077550B2 (en) | 2012-01-20 | 2018-09-18 | California Expanded Metal Products Company | Fire-rated joint system |
| DE102013001233A1 (en) * | 2013-01-25 | 2014-07-31 | Krallmann Kunststoffverarbeitung Gmbh | Particle foam component with integrated attachment and method for its production |
| US9879421B2 (en) | 2014-10-06 | 2018-01-30 | California Expanded Metal Products Company | Fire-resistant angle and related assemblies |
| US10000923B2 (en) | 2015-01-16 | 2018-06-19 | California Expanded Metal Products Company | Fire blocking reveal |
| US9752318B2 (en) | 2015-01-16 | 2017-09-05 | California Expanded Metal Products Company | Fire blocking reveal |
| CA2919348A1 (en) | 2015-01-27 | 2016-07-27 | California Expanded Metal Products Company | Header track with stud retention feature |
| US10689842B2 (en) | 2018-03-15 | 2020-06-23 | California Expanded Metal Products Company | Multi-layer fire-rated joint component |
| US10753084B2 (en) * | 2018-03-15 | 2020-08-25 | California Expanded Metal Products Company | Fire-rated joint component and wall assembly |
| US11162259B2 (en) | 2018-04-30 | 2021-11-02 | California Expanded Metal Products Company | Mechanically fastened firestop flute plug |
| AU2019216678B2 (en) | 2018-08-16 | 2021-05-13 | Cemco, Llc | Fire or sound blocking components and wall assemblies with fire or sound blocking components |
| US10914065B2 (en) | 2019-01-24 | 2021-02-09 | California Expanded Metal Products Company | Wall joint or sound block component and wall assemblies |
| US11268274B2 (en) | 2019-03-04 | 2022-03-08 | California Expanded Metal Products Company | Two-piece deflection drift angle |
| US11920343B2 (en) | 2019-12-02 | 2024-03-05 | Cemco, Llc | Fire-rated wall joint component and related assemblies |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3777438A (en) * | 1971-08-30 | 1973-12-11 | R Brown | Ornamental protective rail |
| US3959537A (en) * | 1974-03-06 | 1976-05-25 | The Standard Products Company | Dielectrically bondable decorative strips |
| US4004774A (en) * | 1975-01-08 | 1977-01-25 | Du Pont Of Canada Limited | Coated panel |
| US3982780A (en) * | 1975-04-21 | 1976-09-28 | Minnesota Mining And Manufacturing Company | Conformable plastic body side molding |
| US4010297A (en) * | 1976-02-23 | 1977-03-01 | Protective Treatments, Inc. | Composite decorative trim strip for automobile side bodies |
-
1977
- 1977-03-21 US US05/779,590 patent/US4139664A/en not_active Expired - Lifetime
- 1977-11-21 CA CA291,379A patent/CA1114123A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4139664A (en) | 1979-02-13 |
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| Date | Code | Title | Description |
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| MKEX | Expiry |