US4371576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot melt adhesive bonded pile fabrics
Assignee: MILLIKEN RESEARCH Corp A CORP OF SC
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Filing: 1981-09-22
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Granted: 1983-02-01
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Expires: 2001-09-22
Abstract
Abstract A hot melt adhesive bonded pile fabric is provided which comprises a liquid permeable base layer; a pile forming yarn adjacent to the base layer in pile forming fashion but not tufted through the base layer; the pile forming element having been bonded to the base layer by means of a hot melt adhesive applied to the back of said base layer. A method and apparatus for making fusion bonded, pile fabrics are also provided.
Inventors
- 👤 Greville Machell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:29
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/04; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23964; Y10T428/23971; Y10T428/23979; Y10T428/23986; Y10T428/23993
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
69 words
A hot melt adhesive bonded pile fabric which comprises a liquid-permeable base layer, a pile forming yarn adjacent to but not tufted through the base layer in pile forming fashion, the pile forming yarn having been bonded to the base layer by means of a hot melt adhesive applied to the back of said base layer and forced through the base layer into contact with said pile forming yarn.
Claim 2
Dependent Claim
69 words
A hot melt adhesive bonded pile fabric which comprises a liquid-permeable base layer, a pile forming yarn adjacent to but not tufted through the base layer in pile forming fashion, the pile forming yarn having been bonded to the base layer by means of a hot melt adhesive applied to the back of said base layer and forced through the base layer into contact with said pile forming yarn.
Claim 3
Dependent Claim
21 words
The pile fabric of claim 1 wherein said pile forming yarn is provided adjacent to said base layer in folded fashion.
Claim 4
Dependent Claim
89 words
A carpet tile comprising a liquid-permeable base layer, a pile forming yarn adjacent to, but not tufted through the base layer in folded, pile forming fashion, the pile forming yarn having been bonded to the base layer by means of a hot melt adhesive applied to the back of said base layer and forced through the base layer into contact with said pile forming yarn; said carpet tile including a backing layer of thermoplastic material having been bonded to said base layer by means of said hot melt adhesive.
Claim 5
Dependent Claim
89 words
A carpet tile comprising a liquid-permeable base layer, a pile forming yarn adjacent to, but not tufted through the base layer in folded, pile forming fashion, the pile forming yarn having been bonded to the base layer by means of a hot melt adhesive applied to the back of said base layer and forced through the base layer into contact with said pile forming yarn; said carpet tile including a backing layer of thermoplastic material having been bonded to said base layer by means of said hot melt adhesive.
Claim 6
Dependent Claim
18 words
The carpet tile of claim 3 wherein said backing layer includes at least one stiffening and stabilizing membrane.
Claim 7
Dependent Claim
15 words
The carpet tile of claim 4 wherein the stiffening and stabilizing membrane comprises glass fibers.
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) | 1986-01-31 | 1986-08-02 | 1987-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-31 | 1990-08-02 | 1991-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-31 | 1994-08-02 | 1995-02-01 | $7700.00 | Window Closed / Lapsed |