Patent US3369948A successfully refreshed from Google Patents.
US3369948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a pile fabric
Assignee: EIDP Inc
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Filing: 1964-11-12
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Granted: 1968-02-20
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Bernard George Ostmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:04
CPC Classifications
D; D04; D04H; D04H11/00; D04H1/00; D04H1/40; D04H1/54; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23993; Y10T428/24; Y10T428/24802; Y10T428/24826; Y10T428/29; Y10T428/2904; Y10T428/2907; Y10T428/2909; Y10T442/00; Y10T442/60; Y10T442/608; Y10T442/627; Y10T442/632; Y10T442/633; Y10T442/69; Y10T442/692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A METHOD FOR PRODUCING A TEXTILE ARTICLE WHICH COMPRISES: BLENDING 50-95% BY WEIGHT STRUCTURAL FIBERS WITH 550% BY WEIGHT BINDER FIBERS, BOTH STRUCTURAL AND BINDER FIBERS BEING CRIMPED STAPLE-LENGTH FIBERS COMPOSED OF LINEAR POLYESTERS, THE POLYESTER MAKING UP THE BINDER FIBERS BEING NORMALLY SOLID AND HAVING A MELTING POINT BELOW THAT OF THE POLYESTER MAKING UP THE STRUCTURAL FIBERS; CARDING THE BLEND OF FIBERS TO SUBSTANTIALLY PARALLELIZE THE FIBERS AND ENSURE UNIFORM DISPERSION OF THE BINDER FIBERS AND STRUCTURAL FIBERS; STACKING THE CARDED BLEND TO FORM A MULTI-PLY ASSEMBLY WITH THE FIBERS ALL GENERALLY ALIGNED IN THE SAME DIRECTION; HEATING THE ASSEMBLY AT A TEMPERATURE BETWEEN THE MELTING POINT OF THE BINDER FIBERS AND THE MELTING POINT OF THE STRUCTURAL FIBERS TO THEREBY CAUSE THE POLYESTER MAKING UP THE BINDER FIBERS TO RETRACT INTO DROPLET FORM AND BOND THE STRUCTURAL FIBERS TO ONE ANOTHER AT THEIR CROSS-OVER POIINTS THROUGHOUT THE ASSEMBLY; CUTTING THE ASSEMBLY AT AN ANGLE TRANSVERSE TO THE PARALLELIZED FIBERS TO PROVIDE A POROUS, FLEXIBLE, SELF-SUPPORTING SHEET HAVING FACES COMPOSED ESSENTIALLY OF FIBER ENDS; AND LAMINATING A FACE OF THE SHEET WITH A BACKING.
Claim 2
Independent Claim
186 words
A METHOD FOR PRODUCING A TEXTILE ARTICLE WHICH COMPRISES: BLENDING 50-95% BY WEIGHT STRUCTURAL FIBERS WITH 550% BY WEIGHT BINDER FIBERS, BOTH STRUCTURAL AND BINDER FIBERS BEING CRIMPED STAPLE-LENGTH FIBERS COMPOSED OF LINEAR POLYESTERS, THE POLYESTER MAKING UP THE BINDER FIBERS BEING NORMALLY SOLID AND HAVING A MELTING POINT BELOW THAT OF THE POLYESTER MAKING UP THE STRUCTURAL FIBERS; CARDING THE BLEND OF FIBERS TO SUBSTANTIALLY PARALLELIZE THE FIBERS AND ENSURE UNIFORM DISPERSION OF THE BINDER FIBERS AND STRUCTURAL FIBERS; STACKING THE CARDED BLEND TO FORM A MULTI-PLY ASSEMBLY WITH THE FIBERS ALL GENERALLY ALIGNED IN THE SAME DIRECTION; HEATING THE ASSEMBLY AT A TEMPERATURE BETWEEN THE MELTING POINT OF THE BINDER FIBERS AND THE MELTING POINT OF THE STRUCTURAL FIBERS TO THEREBY CAUSE THE POLYESTER MAKING UP THE BINDER FIBERS TO RETRACT INTO DROPLET FORM AND BOND THE STRUCTURAL FIBERS TO ONE ANOTHER AT THEIR CROSS-OVER POIINTS THROUGHOUT THE ASSEMBLY; CUTTING THE ASSEMBLY AT AN ANGLE TRANSVERSE TO THE PARALLELIZED FIBERS TO PROVIDE A POROUS, FLEXIBLE, SELF-SUPPORTING SHEET HAVING FACES COMPOSED ESSENTIALLY OF FIBER ENDS; AND LAMINATING A FACE OF THE SHEET WITH A BACKING.
References Cited (Backward Citations)
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US2604427A
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US2774128A
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US2900291A
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US3085922A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |