US2246040A - Laminated pile fabric structure - Google Patents
Laminated pile fabric structure Download PDFInfo
- Publication number
- US2246040A US2246040A US18109437A US2246040A US 2246040 A US2246040 A US 2246040A US 18109437 A US18109437 A US 18109437A US 2246040 A US2246040 A US 2246040A
- Authority
- US
- United States
- Prior art keywords
- layer
- carpeting
- backing
- pile fabric
- covering
- 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 - Lifetime
Links
- 239000004744 fabric Substances 0.000 title description 20
- 239000000463 material Substances 0.000 description 7
- 239000004568 cement Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 229940079938 nitrocellulose Drugs 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- -1 pyroxylin compound Chemical class 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
- D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
- D06N7/0071—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
- D06N7/0081—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing with at least one extra fibrous layer at the backing, e.g. stabilizing fibrous layer, fibrous secondary backing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/04—Vegetal fibres
- D06N2201/042—Cellulose fibres, e.g. cotton
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/06—Animal fibres, e.g. hair, wool, silk
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/02—Properties of the materials having acoustical properties
- D06N2209/025—Insulating, sound absorber
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/106—Roughness, anti-slip, abrasiveness
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/06—Building materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2213/00—Others characteristics
- D06N2213/04—Perforated layer
-
- 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
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23979—Particular backing structure or composition
-
- 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
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23986—With coating, impregnation, or bond
Definitions
- My invention relates to coverings for floors. walls or other places where carpeting or similar material may be used.
- the object of my invention is to provide a less costly covering for equivalent advantages in known'products and to provide additional advantages, as will more fully appear from the following description taken in connection with the accompanying drawing forming part of this specification.
- I perforate ground layer I with holes 2 which may be, for example one quarter of an inch in diameter and spaced, for example, an inch apart. Preferably the holes are staggered as shown. These air holes or pockets give added resiliency and serve to permit rolling the finished covering. 'In the use of my new' covering for Walls, these air holes have value for sound-deadening purposes.
- Above ground layer I is a layer of cloth 3 A preferably made from threads woven at right angles so as to provide an essentially nonstretchable reinforcing layer.
- Iayer l is rmly attached to layer I.
- Layer I may either be made separately or may be built up on the layer 3. Preferably the union of layers I and 3 is accomplished with sufllcient sizing to make a good bond.
- a pyroxylin compound or a rubber compound may Ibe used to provide the bond.
- the material of Alayer I is of a nature to be easily distorted and would not of itself maintain a desired shape.
- One purpose of layer 3 is to prevent creeping of layer I in the finished carpeting.
- Layer 3 is preferably close woven to prevent distortion diagonally as well as along the warp and weft. Also it is preferably made of a non-hydroscopic material such as a sized tight twisted cotton. The loose bers of layers I may be made to intennesh with the threads of layer I.
- layer 3 is another layer 4, like layer I, of loosely matted fibrous batting preferably tom of the upper or regular carpet layer 5 which permits relative movement of the carpet layer i and reinforcing layer 3 while at the same time affording resiliency to walking on the carpet n ensemble. Also it constitutes an improved per- IIIy manent union between the layers 3 and 5.
- Ii' layers 3 and 5 were immediately adjacent each other with only cement or size between then, they wouldnot stickI together well because two woven surfaces adjacent each other present only points or humps of contact which present poor surfaces for adhesion by glue or cement.
- An intermediate layer 4 gives a better contact of sl-u'- faces because the loose fibers can work in between the threads of the fabric andcan conform to the many mounds of the fabric.
- Layer 4 may be fabricated separately and glued to layer 3 but I prefer to form layer 4 by building it up on layer 3 as by spraying a mixture of fibers and size on layer 3 either before or .after l-ayersl and 3 have been joined.
- holes 2 are carried thro ⁇ hlayers I, 3 and 4. 'I'his may be accomplished by punching the holes after the combination of layers I, 3 and 4 has been made up. 'Ihe material removed to form the holes is not wasted since it may be used to make up more material of the character of layers I and 3.
- the carpeting I which may be of regular form made in the usual manner by U-shaped pile tufts held by warm and wefts of a woven backing.
- the carpet layer receives the car. peting 5 and the assembly I, 3, 4 instripswhich. may come rolled. He first lays the assembly I, 3, 4 in closely adjacent strips cut to conform to the space to becarpeted. The edges are butted. thus avoiding any overlaps. Preferably the edges of the butt joints run angularly to the direction in which the top carpeting is to be laid.
- the assembly l, 3, 4 is laid (it may or may not be cemented to the floor), the upper surface is sprayed or otherwise treated with size,
- top carpeting is now laid with seams in butt relation, the strips. of top carpeting running angularly to the strip of the under-pieces.
- the entirety is a unit. so knitted together that it may beremoved as a unit. It may be rolled, preferably with the face of the top carpeting outward.
- the holes 2 provide compressibility oi the underlayers. It will be seen that I have placed the reinforcing layer 3 as near ias-possible to the neutral axis, with reference to bending on rolling. The 'backing of the top carpet section is not stretched materiall ly, if at all, in the rolling operation. Due to holes 2. and the batting layers on each side of layer 3, this layer 3 can buckle if necessary to prevent undue stress in the top carpet backing when rolled.
- mycarpet ensemble When laid on the floor, mycarpet ensemble provides a highly yieldable carpeting which is of uniform thickness everywhere. It needs no binding at the edges nor at the seams. It provides a so-called seamless carpeting in that the seams are invisible. It avoids the usual inconvenience of a loose unravelling rug cushion. It provides a non-slip under surface. For this purpose, if desired, the underside may be sprayed with latex or otherwise rubber coated.
- the assembly may be parted between layers. For example, the parts 3, 4 and 5 may be stripped as a unit from section l. By stripping the carpet this way, it may be relaid easily by cementing a new section I to section l and cementing the assembly again to the floor.
- a built-up floor covering comprising a relatively thick perforated ground piece of yieldable batting, a perforated reinforcing coarse cloth layer cemented to said ground piece, a relatively thin layer of loose yieldable perforated batting adhesively secured to the upper side of said cloth layer, said perforations being in alignment, and a pile carpeting piece adhesively secured to said relatively thin batting layer, said perforations being approximately one-quarter of an inch in transverse dimension and occurring at approximately one inch intervals.
- a built-up laminated carpet-like covering comprising pile fabric and a multiply backing therefor, said backing comprising a. relatively thick and loosely packed padding forming aY ground piece, a thinner upper layer of loosely packed padding adhesively united to said pile fabric, an intermediate fabric adhesively united to and positioned between said upper and lower padding layers, said intermediate fabric being close woven ina manner to prevent distortion of said backing diagonally as well as laterally and longitudinally, said backing being provided with perforations extending therethrough, said perforations being of sufficient width and spaced at intervals of sufficient frequency to reduce the stretching of said backing when said covering is rolled.
- a built-up laminated carpet-like covering comprising pile fabric and a multiply backing therefor, said backing comprising a relatively thick and loosely packed padding forming a ground piece, a thinner upper layer of loosely packed padding adhesively united to said pile fabric, an intermediate closed mesh fabric adhesively united to and positioned between said upper and lower padding layers, said intermediate fabric being close woven in a manner to prevent distortion of said backing diagonally as well as 'laterally and longitudinally, said intermediate fabric being woven of material having the characteristics of tight twisted non-hydroscopic cotton, said backing being providedwith perforations extendingY therethrough, said perforatlons being of sufficient width and spaced at intervals of sufficient frequency to reduce the stretching of said backing when said covering is rolled.
- a ⁇ laminated carpet-like covering compris-v ing pile fabric and a multiply backing therefor, said backing comprising a relatively thick and loosely packed padding forming a ground piece, a thinner upper layer of loosely packed padding united to said pile fabric, an intermediate fabric united to and positioned between said upper and lower padding layers, said intermediate fabric being close woven in a manner to prevent distortion of said covering diagonally as well as laterally and longitudinally, said backing being provided with perforations extending therethrough, said perforations being of sufficient width and spaced at intervals of sufilcient frequency to reduce the stretching of said backing when said covering is rolled and to expedite the rolling of said covering.
Description
Patented June 17, 1941 UNITED STATES f PATENT oFFi-CE LAMINATED PILE FABRIC STRUCTURE A Lurelle Guild, Darien, Conn. Application December 22,1937, serial No. 181,094
' 4 claims.v 401.154-49) My invention relates to coverings for floors. walls or other places where carpeting or similar material may be used.
The object of my invention is to provide a less costly covering for equivalent advantages in known'products and to provide additional advantages, as will more fully appear from the following description taken in connection with the accompanying drawing forming part of this specification.
oi' material much used for cushions under rugs.,
It may be of the thickness of, for example, one quarter of an inch. I perforate ground layer I with holes 2 which may be, for example one quarter of an inch in diameter and spaced, for example, an inch apart. Preferably the holes are staggered as shown. These air holes or pockets give added resiliency and serve to permit rolling the finished covering. 'In the use of my new' covering for Walls, these air holes have value for sound-deadening purposes.
Above ground layer I is a layer of cloth 3 A preferably made from threads woven at right angles so as to provide an essentially nonstretchable reinforcing layer. Iayer l is rmly attached to layer I. Layer I may either be made separately or may be built up on the layer 3. Preferably the union of layers I and 3 is accomplished with sufllcient sizing to make a good bond. A pyroxylin compound or a rubber compound may Ibe used to provide the bond. The material of Alayer I is of a nature to be easily distorted and Would not of itself maintain a desired shape. One purpose of layer 3 is to prevent creeping of layer I in the finished carpeting. Layer 3 is preferably close woven to prevent distortion diagonally as well as along the warp and weft. Also it is preferably made of a non-hydroscopic material such as a sized tight twisted cotton. The loose bers of layers I may be made to intennesh with the threads of layer I.
Above layer 3 is another layer 4, like layer I, of loosely matted fibrous batting preferably tom of the upper or regular carpet layer 5 which permits relative movement of the carpet layer i and reinforcing layer 3 while at the same time affording resiliency to walking on the carpet n ensemble. Also it constitutes an improved per- IIIy manent union between the layers 3 and 5. Ii' layers 3 and 5 were immediately adjacent each other with only cement or size between then, they wouldnot stickI together well because two woven surfaces adjacent each other present only points or humps of contact which present poor surfaces for adhesion by glue or cement. An intermediate layer 4 gives a better contact of sl-u'- faces because the loose fibers can work in between the threads of the fabric andcan conform to the many mounds of the fabric.
Preferably holes 2 are carried thro` hlayers I, 3 and 4. 'I'his may be accomplished by punching the holes after the combination of layers I, 3 and 4 has been made up. 'Ihe material removed to form the holes is not wasted since it may be used to make up more material of the character of layers I and 3.
Qn top of layer 4 is secured the carpeting I which may be of regular form made in the usual manner by U-shaped pile tufts held by warm and wefts of a woven backing.
In laying strip'carpeting in accordance with my invention, the carpet layer receives the car. peting 5 and the assembly I, 3, 4 instripswhich. may come rolled. He first lays the assembly I, 3, 4 in closely adjacent strips cut to conform to the space to becarpeted. The edges are butted. thus avoiding any overlaps. Preferably the edges of the butt joints run angularly to the direction in which the top carpeting is to be laid. When the assembly l, 3, 4 is laid (it may or may not be cemented to the floor), the upper surface is sprayed or otherwise treated with size,
cement or glue. This may be done in sections for facility in working. The top carpeting is now laid with seams in butt relation, the strips. of top carpeting running angularly to the strip of the under-pieces.
When this is completed, the entirety is a unit. so knitted together that it may beremoved as a unit. It may be rolled, preferably with the face of the top carpeting outward. The holes 2 provide compressibility oi the underlayers. It will be seen that I have placed the reinforcing layer 3 as near ias-possible to the neutral axis, with reference to bending on rolling. The 'backing of the top carpet section is not stretched materiall ly, if at all, in the rolling operation. Due to holes 2. and the batting layers on each side of layer 3, this layer 3 can buckle if necessary to prevent undue stress in the top carpet backing when rolled.
When laid on the floor, mycarpet ensemble provides a highly yieldable carpeting which is of uniform thickness everywhere. It needs no binding at the edges nor at the seams. It provides a so-called seamless carpeting in that the seams are invisible. It avoids the usual inconvenience of a loose unravelling rug cushion. It provides a non-slip under surface. For this purpose, if desired, the underside may be sprayed with latex or otherwise rubber coated.
It can be laid more easily and more economically than present commercial carpeting. It permits cutting the carpeting to obtain any desired shapes without restriction to the seam lines. 'I'he cementing of the parts and the character of the parts prevents unravelling regardless of how the carpeting is out. It permits the use of cheaper carpeting to give the feel and appearance of costly carpeting. It permits the use of lower pile carpeting for a given resiliency, which is an advantage in use as well as economy. It permits the making of special shapes of carpeting with patterns and designs which can readily be made up at the mill and shipped in rolled form. Also, if apart wears, ,it can be more readily replaced with greater accuracy of matching because it is possible to match the pattern, pile upturned.
In some cases, it may be desirable to cement the carpet assembly to the floor. Should it then be desirable at a later date to remove the carpeting, the assembly may be parted between layers. For example, the parts 3, 4 and 5 may be stripped as a unit from section l. By stripping the carpet this way, it may be relaid easily by cementing a new section I to section l and cementing the assembly again to the floor.
For certain uses, it may be suillcient to use a single perforated layer of matted batting under the top carpeting but for heavy wear I prefer the multiple layer construction above described in detail.
It will be understood that various variations maybe made Within the spirit and scope of the invention.
What I claim is:
1. A built-up floor covering comprising a relatively thick perforated ground piece of yieldable batting, a perforated reinforcing coarse cloth layer cemented to said ground piece, a relatively thin layer of loose yieldable perforated batting adhesively secured to the upper side of said cloth layer, said perforations being in alignment, and a pile carpeting piece adhesively secured to said relatively thin batting layer, said perforations being approximately one-quarter of an inch in transverse dimension and occurring at approximately one inch intervals.
2. A built-up laminated carpet-like covering comprising pile fabric and a multiply backing therefor, said backing comprising a. relatively thick and loosely packed padding forming aY ground piece, a thinner upper layer of loosely packed padding adhesively united to said pile fabric, an intermediate fabric adhesively united to and positioned between said upper and lower padding layers, said intermediate fabric being close woven ina manner to prevent distortion of said backing diagonally as well as laterally and longitudinally, said backing being provided with perforations extending therethrough, said perforations being of sufficient width and spaced at intervals of sufficient frequency to reduce the stretching of said backing when said covering is rolled.
3. A built-up laminated carpet-like covering comprising pile fabric and a multiply backing therefor, said backing comprising a relatively thick and loosely packed padding forming a ground piece, a thinner upper layer of loosely packed padding adhesively united to said pile fabric, an intermediate closed mesh fabric adhesively united to and positioned between said upper and lower padding layers, said intermediate fabric being close woven in a manner to prevent distortion of said backing diagonally as well as 'laterally and longitudinally, said intermediate fabric being woven of material having the characteristics of tight twisted non-hydroscopic cotton, said backing being providedwith perforations extendingY therethrough, said perforatlons being of sufficient width and spaced at intervals of sufficient frequency to reduce the stretching of said backing when said covering is rolled.
4. A` laminated carpet-like covering compris-v ing pile fabric and a multiply backing therefor, said backing comprising a relatively thick and loosely packed padding forming a ground piece, a thinner upper layer of loosely packed padding united to said pile fabric, an intermediate fabric united to and positioned between said upper and lower padding layers, said intermediate fabric being close woven in a manner to prevent distortion of said covering diagonally as well as laterally and longitudinally, said backing being provided with perforations extending therethrough, said perforations being of sufficient width and spaced at intervals of sufilcient frequency to reduce the stretching of said backing when said covering is rolled and to expedite the rolling of said covering.
LURELLE GUILD.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18109437 US2246040A (en) | 1937-12-22 | 1937-12-22 | Laminated pile fabric structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18109437 US2246040A (en) | 1937-12-22 | 1937-12-22 | Laminated pile fabric structure |
Publications (1)
Publication Number | Publication Date |
---|---|
US2246040A true US2246040A (en) | 1941-06-17 |
Family
ID=22662879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18109437 Expired - Lifetime US2246040A (en) | 1937-12-22 | 1937-12-22 | Laminated pile fabric structure |
Country Status (1)
Country | Link |
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US (1) | US2246040A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428591A (en) * | 1943-12-08 | 1947-10-07 | Owens Corning Fiberglass Corp | Insulating fabric |
US3312583A (en) * | 1963-10-02 | 1967-04-04 | James J Rochlis | Apertured and staggered molded pile product |
US3920872A (en) * | 1972-11-10 | 1975-11-18 | Armstrong Cork Co | Carpet-faced wallboard |
-
1937
- 1937-12-22 US US18109437 patent/US2246040A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428591A (en) * | 1943-12-08 | 1947-10-07 | Owens Corning Fiberglass Corp | Insulating fabric |
US3312583A (en) * | 1963-10-02 | 1967-04-04 | James J Rochlis | Apertured and staggered molded pile product |
US3920872A (en) * | 1972-11-10 | 1975-11-18 | Armstrong Cork Co | Carpet-faced wallboard |
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