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US4123577A
Expired / Lapsed
US
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Primary backing for tufted carpets and carpets made therefrom
Assignee: BP Corp North America Inc
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Filing: 1976-12-22
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Granted: 1978-10-31
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Expires: 1996-12-22
Abstract
Abstract An improved primary backing for tufted carpets having excellent tuftability comprises a woven, nonwoven, or knitted substrate capable of being tufted to which a web of blended fibers is heat fused.
Inventors
- 👤 Morton I. Port
- 👤 Juergen Nebe
- 👤 Bernhard H. Ladeur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:21
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D05C17/023; D05C15/00; D06; D06N; D06N7/00; D06N7/0063; D06N7/0068; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/40; Y10T442/494
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
115 words
An article suitable for use as a primary backing for tufted carpets comprising a substrate and a web having a weight per square meter of at least about 3 grams bonded thereto which web comprises about 5% to 100% by weight of a first fiber component which is heat bonded to said substrate and which has a denier of at least about 1.2 dtex and a fiber length of at least about 5 millimeters, and about 95% to 0.0% by weight of a second fiber component which is bonded to said first fiber component and which has a denier of at least about 1.2 dtex, and a fiber length of at least about 5 millimeters.
Claim 2
Dependent Claim
115 words
An article suitable for use as a primary backing for tufted carpets comprising a substrate and a web having a weight per square meter of at least about 3 grams bonded thereto which web comprises about 5% to 100% by weight of a first fiber component which is heat bonded to said substrate and which has a denier of at least about 1.2 dtex and a fiber length of at least about 5 millimeters, and about 95% to 0.0% by weight of a second fiber component which is bonded to said first fiber component and which has a denier of at least about 1.2 dtex, and a fiber length of at least about 5 millimeters.
Claim 3
Dependent Claim
18 words
The article of claim 1, wherein the web weight per square meter is about 5 to 50 grams.
Claim 4
Dependent Claim
18 words
The article of claim 2, wherein the web weight per square meter is less than about 25 grams.
Claim 5
Dependent Claim
33 words
The article of claim 1, wherein said substrate is made from a polyolefin selected from the group consisting of a polymer made from one or more 1-olefins of up to 8 carbon atoms.
Claim 6
Dependent Claim
19 words
The article of claim 1, wherein said web is not capable of being tufted unless bonded to said substrate.
Claim 7
Dependent Claim
17 words
The article of claim 1, wherein at least a portion of said first fiber component is pigmented.
Claim 8
Dependent Claim
17 words
The article of claim 1, wherein at least a portion of said first fiber component is dyeable.
Claim 9
Dependent Claim
17 words
The article of claim 1, wherein at least a portion of said second fiber component is pigmented.
Claim 10
Dependent Claim
17 words
The article of claim 1, wherein at least a portion of said second fiber component is dyeable.
Claim 11
Dependent Claim
11 words
The article of claim 1, wherein said substrate is itself tuftable.
Claim 12
Dependent Claim
10 words
A tufted carpet made from the article of claim 1.
Claim 13
Dependent Claim
130 words
An article suitable for use as a primary backing for tufted carpets comprising a substrate and a web having a weight per square meter in the range of about 3 to 70 grams bonded thereto which web comprises about 5% to 100% by weight of a first fiber component which is heat bonded to said substrate and which has a denier in the range of about 1.2 to 30 dtex and a fiber length in the range of about 5 to 150 millimeters, and about 95% to 0.0% by weight of a second fiber component which is bonded to said first fiber component and which has a denier in the range of about 1.2 to 30 dtex, and a fiber length in the range of about 5 to 150 millimeters.
Claim 14
Dependent Claim
130 words
An article suitable for use as a primary backing for tufted carpets comprising a substrate and a web having a weight per square meter in the range of about 3 to 70 grams bonded thereto which web comprises about 5% to 100% by weight of a first fiber component which is heat bonded to said substrate and which has a denier in the range of about 1.2 to 30 dtex and a fiber length in the range of about 5 to 150 millimeters, and about 95% to 0.0% by weight of a second fiber component which is bonded to said first fiber component and which has a denier in the range of about 1.2 to 30 dtex, and a fiber length in the range of about 5 to 150 millimeters.
Claim 15
Dependent Claim
20 words
The article of claim 12, wherein said substrate is not capable of being tufted until said web is bonded thereto.
Claim 16
Dependent Claim
10 words
A tufted carpet made from the article of claim 12.
Claim 17
Dependent Claim
175 words
An article suitable for use as a primary backing for fine gauge tufted carpets comprising (i) a woven thermoplastic substrate, wherein at least in the weft direction a multifilament yarn having a multifilament denier in the range of about 200 to 1500 dtex and having a single filament denier in the range of about 2 to 20 dtex and wherein in the warp direction a yarn having a denier in the range of about 200 to 1500 dtex, and (ii) a web having a weight per square meter of at least 3 grams which web comprises about 5% to 100% by weight of a first fiber component which is heat bonded to said substrate and which has a denier of at least about 1.2 dtex and a fiber length of at least about 5 millimeters, and about 95% to 0.0% by weight of a second fiber component which is bonded to said first fiber component and which has a denier of at least 1.2 dtex and a fiber length of at least about 5 millimeters.
Claim 18
Dependent Claim
175 words
An article suitable for use as a primary backing for fine gauge tufted carpets comprising (i) a woven thermoplastic substrate, wherein at least in the weft direction a multifilament yarn having a multifilament denier in the range of about 200 to 1500 dtex and having a single filament denier in the range of about 2 to 20 dtex and wherein in the warp direction a yarn having a denier in the range of about 200 to 1500 dtex, and (ii) a web having a weight per square meter of at least 3 grams which web comprises about 5% to 100% by weight of a first fiber component which is heat bonded to said substrate and which has a denier of at least about 1.2 dtex and a fiber length of at least about 5 millimeters, and about 95% to 0.0% by weight of a second fiber component which is bonded to said first fiber component and which has a denier of at least 1.2 dtex and a fiber length of at least about 5 millimeters.
Claim 19
Dependent Claim
10 words
A tufted carpet made from the article of claim 15.
Claim 20
Dependent Claim
153 words
A process for producing an article suitable for use as a primary backing for carpets having tufted pile loops comprising: (a) forming on a woven, nonwoven, or knitted thermoplastic substrate capable of being tufted, a web comprising about 5% to 100% by weight of a first fiber component and about 95% to 0.0% by weight of a second fiber component, wherein said first fiber component is heat fusible with said substrate and has a denier of at least about 1.2 dtex and a fiber length of at least about 5 millimeters, and wherein said second fiber component is not heat fusible with said substrate and has a denier of at least about 1.2 dtex and has a fiber length of at least about 5 millimeters; and without needlebonding (b) applying sufficient heat and pressre to form a stable bond between fibers of said web as well as between said web and said substrate.
Claim 21
Dependent Claim
153 words
A process for producing an article suitable for use as a primary backing for carpets having tufted pile loops comprising: (a) forming on a woven, nonwoven, or knitted thermoplastic substrate capable of being tufted, a web comprising about 5% to 100% by weight of a first fiber component and about 95% to 0.0% by weight of a second fiber component, wherein said first fiber component is heat fusible with said substrate and has a denier of at least about 1.2 dtex and a fiber length of at least about 5 millimeters, and wherein said second fiber component is not heat fusible with said substrate and has a denier of at least about 1.2 dtex and has a fiber length of at least about 5 millimeters; and without needlebonding (b) applying sufficient heat and pressre to form a stable bond between fibers of said web as well as between said web and said substrate.
Claim 22
Dependent Claim
18 words
The process of claim 17, wherein the web weight per square meter is about 5 to 50 grams.
Claim 23
Dependent Claim
18 words
The process of claim 18, wherein the web weight per square meter is less than about 25 grams.
Claim 24
Dependent Claim
20 words
The process of claim 17, wherein said heat and pressure are applied in a nip created between two counter-rotating rolls.
Claim 25
Dependent Claim
17 words
The process of claim 17, wherein at least a portion of said first fiber component is pigmented.
Claim 26
Dependent Claim
17 words
The process of claim 17, wherein at least a portion of said first fiber component is dyeable.
Claim 27
Dependent Claim
22 words
The process of claim 17, wherein at least a portion of said second fiber component is dye-compatible with said tufted pile loops.
Claim 28
Dependent Claim
17 words
The process of claim 17, wherein at least a portion of said second fiber component is dyeable.
Claim 29
Dependent Claim
16 words
The process of claim 17, wherein at least a portion of second fiber component is pigmented.
Claim 30
Dependent Claim
28 words
The process of claim 25, wherein said second fiber component has a melting point at least 5° F. above the heat fusion temperature of said first fiber component.
Claim 31
Dependent Claim
24 words
The process of claim 17, wherein said second fiber component has a melting point above the heat fusion temperature of said first fiber component.
Claim 32
Dependent Claim
15 words
The process of claim 17, wherein said woven thermoplastic substrate is made from flat tapes.
Claim 33
Dependent Claim
20 words
The process of claim 17, wherein said woven thermoplastic substrate has at least in the weft direction a multifilament fiber.
Claim 34
Dependent Claim
177 words
A process for producing an article suitable for use as a primary backing for carpets having tufted pile loops comprising: (a) forming on a woven, nonwoven, or knitted thermoplastic substrate capable of being tufted, a web having a weight per square meter of about 3 to 70 grams, comprising about 5% to 100% by weight of a first fiber component and about 95% to 0.0% by weight of a second fiber component, wherein said first fiber component is heat fusible with said substrate and has a denier in the range of about 1.2 to 30 dtex and a fiber length in the range of about 5 to 150 millimeters, and wherein said second fiber component is not heat fusible with said substrate and has a denier in the range of about 1.2 to 30 dtex and has a fiber length in the range of about 5 to 150 millimeters; and without needlebonding (b) applying sufficient heat and pressure to form a stable bond between fibers of said web as well as between said web and said substrate.
Claim 35
Dependent Claim
177 words
A process for producing an article suitable for use as a primary backing for carpets having tufted pile loops comprising: (a) forming on a woven, nonwoven, or knitted thermoplastic substrate capable of being tufted, a web having a weight per square meter of about 3 to 70 grams, comprising about 5% to 100% by weight of a first fiber component and about 95% to 0.0% by weight of a second fiber component, wherein said first fiber component is heat fusible with said substrate and has a denier in the range of about 1.2 to 30 dtex and a fiber length in the range of about 5 to 150 millimeters, and wherein said second fiber component is not heat fusible with said substrate and has a denier in the range of about 1.2 to 30 dtex and has a fiber length in the range of about 5 to 150 millimeters; and without needlebonding (b) applying sufficient heat and pressure to form a stable bond between fibers of said web as well as between said web and said substrate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-30 | 1982-05-01 | 1982-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-30 | 1986-05-01 | 1986-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-30 | 1990-05-01 | 1990-10-31 | $7700.00 | Window Closed / Lapsed |