US4242394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced primary backing for tufted pile fabrics
Assignee: Shaw Industries Group Inc
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Filing: 1979-07-09
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Granted: 1980-12-30
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Expires: 1999-07-09
Abstract
Abstract A reinforced primary backing for tufted pile fabrics is disclosed. The reinforced primary backing comprises a non-woven fibrous capping layer, a reinforcing material layer, and a woven backing layer, said non-woven fibrous capping layer being positioned adjacent one side of said reinforcing material layer and said woven backing layer being positioned adjacent the other side of said reinforcing material layer, said non-woven fibrous capping layer being needled into and extending downward through said reinforcing material layer and continuing into and through said woven backing layer to the outside surface of said woven backing layer.
Inventors
- 👤 Ronald J. Leib
- 👤 Moses Sparks, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:55
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D06; D06N; D06N7/00; D06N7/0063; D06N7/0068; D06N2201/00; D06N2201/02; D06N2201/0254; D06N2201/0263; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
87 words
A reinforced primary backing for tufted pile fabrics comprising a non-woven fibrous capping layer, a reinforcing material layer and a woven backing layer, said non-woven fibrous capping layer being positioned adjacent one side of said reinforcing material layer and said woven backing layer being positioned adjacent the other side of said reinforcing material layer, said non-woven fibrous capping layer being needled into and extending through said reinforcing material layer and continuing into and through said woven backing layer to the outside surface of said woven backing layer.
Claim 2
Dependent Claim
87 words
A reinforced primary backing for tufted pile fabrics comprising a non-woven fibrous capping layer, a reinforcing material layer and a woven backing layer, said non-woven fibrous capping layer being positioned adjacent one side of said reinforcing material layer and said woven backing layer being positioned adjacent the other side of said reinforcing material layer, said non-woven fibrous capping layer being needled into and extending through said reinforcing material layer and continuing into and through said woven backing layer to the outside surface of said woven backing layer.
Claim 3
Dependent Claim
17 words
The reinforced primary backing of claim 1 wherein said reinforcing material layer is a spunbonded fibrous sheet.
Claim 4
Dependent Claim
19 words
The reinforced primary backing of claim 1 wherein said reinforcing material layer is an extruded, oriented, open mesh netting.
Claim 5
Dependent Claim
22 words
The reinforced primary backing of claim 1 wherein said reinforcing material layer is a woven natural, semisynthetic, synthetic or metallic fiber scrim.
Claim 6
Dependent Claim
25 words
The reinforced primary backing of claim 1 wherein said non-woven fibrous capping layer, said reinforcing material layer and said woven backing layer are all polypropylene.
Claim 7
Dependent Claim
112 words
A tufted pile fabric comprising: (a) a reinforced primary backing comprising a non-woven fibrous capping layer, a reinforcing material layer, and a woven backing layer, said non-woven fibrous capping layer being positioned adjacent one side of said reinforcing material layer and said woven backing layer being positioned adjacent the other side of said reinforcing material layer, said non-woven fibrous capping layer being needled into and extending through said reinforcing material layer and continuing into and through said reinforcing material layer to the outside surface of said backing layer; and, (b) yarn tufted through said reinforced primary backing to define a tufted face yarn supported by and extending above said reinforced primary backing.
Claim 8
Dependent Claim
112 words
A tufted pile fabric comprising: (a) a reinforced primary backing comprising a non-woven fibrous capping layer, a reinforcing material layer, and a woven backing layer, said non-woven fibrous capping layer being positioned adjacent one side of said reinforcing material layer and said woven backing layer being positioned adjacent the other side of said reinforcing material layer, said non-woven fibrous capping layer being needled into and extending through said reinforcing material layer and continuing into and through said reinforcing material layer to the outside surface of said backing layer; and, (b) yarn tufted through said reinforced primary backing to define a tufted face yarn supported by and extending above said reinforced primary backing.
Claim 9
Dependent Claim
25 words
The tufted pile fabric of claim 6 wherein the non-woven fibrous capping layer of the reinforced primary backing is positioned adjacent the tufted face yarn.
Claim 10
Dependent Claim
23 words
The tufted pile fabric of claim 7 wherein a secondary backing is joined to the woven backing layer of the reinforced primary backing.
Claim 11
Dependent Claim
24 words
The tufted pile fabric of claim 6 wherein the woven backing layer of the reinforced primary backing is positioned adjacent the tufted face yarn.
Claim 12
Dependent Claim
24 words
The tufted pile fabric of claim 6 wherein a secondary backing is joined to the non-woven fibrous capping layer of the reinforced primary backing.
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) | 1983-12-30 | 1984-06-30 | 1984-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-30 | 1988-06-30 | 1988-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-30 | 1992-06-30 | 1992-12-30 | $7700.00 | Window Closed / Lapsed |