US4592943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open mesh belt bonded fabric
Assignee: JPMorgan Chase Bank NA
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Filing: 1984-04-10
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Granted: 1986-06-03
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Expires: 2004-04-10
Abstract
Abstract An apparatus, method and fabric formed thereby for heat or fusion bonding a web comprising conjugate fibers.
Inventors
- 👤 Annamaria C. Cancian
- 👤 Charles J. Shimalla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:16
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/542; D04H1/55; D04H1/541; D04H1/5412; D04H1/544; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24595; Y10T428/24603; Y10T428/29; Y10T428/2913; Y10T428/2929
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
40 words
A high loft, low density thermal bonded nonwoven fabric comprising at least 10 percent conjugate fibers, said fabric having a patterned surface comprising a pattern of puffed regions wherein the fibers are bent out of the plane of the fabric.
Claim 2
Dependent Claim
40 words
A high loft, low density thermal bonded nonwoven fabric comprising at least 10 percent conjugate fibers, said fabric having a patterned surface comprising a pattern of puffed regions wherein the fibers are bent out of the plane of the fabric.
Claim 3
Dependent Claim
14 words
A nonwoven fabric as in claim 1 wherein the conjugate fibers are polyester/polyethylene fibers.
Claim 4
Dependent Claim
26 words
A nonwoven fabric as in claim 2 wherein the conjugate fibers are sheath/core fibers with the polyethylene as the sheath and the polyester as the core.
Claim 5
Dependent Claim
19 words
A nonwoven fabric as in claim 1 wherein said puffed regions have a lower density than the overall fabric.
Claim 6
Dependent Claim
15 words
A nonwoven fabric as in claim 4 further comprising densified regions between the puffed regions.
Claim 7
Dependent Claim
31 words
A nonwoven fabric as in claim 5 further comprising an emboss type patterned other surface formed by emboss type densified regions formed in at least the other surface of the fabric.
References Cited (Backward Citations)
US4042740A
Cited
US4068036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |