US3573164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrics with improved web transfer characteristics
Assignee: Procter and Gamble Co
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Filing: 1967-08-22
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Granted: 1971-03-30
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Expires: 1987-08-22
Abstract
Abstract A PROCESS FOR IMPROVING THE PARTING OR TRNASFER CHARACTERISTICS OF MONOFILAMENT POLYMERIC FABRICS IN SUPPORTING AND TRANSFERRING MOIST WEBS FROM ONE STEP TO ANOTHER IN PAPERMAKING AND NON-WOVEN WEB MANUFACTURING OPERATIONS. IMPROVED TRANSFER CHARACTERISTICS IN THE MONOFILAMENT POLYMERIC FABRICS ARE ACHIEVED BY ABRADING AWAY THE KNUCKLE SURFACES THEREOF WITH A FINE ABRASIVE MEDIUM TO INCREASE THE KNUCKLE IMPRINT AREA OF THE FABRIC. THE IMPROVED PARTING CHARACTERISTICS ENGENDERED IN THE MONOFILAMENT POLYMERIC FABRIC BY THE ABRASIVE TREATMENT IMPROVE WEB TRANSFER, WEB DRYING, WEB PRODUCT CHARACTERISTICS AND GENERAL MACHINE OPERATION.
Inventors
- 👤 Norman D Friedberg
- 👤 Charles L Wosaba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:29
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027; Y; Y10; Y10S; Y10S162/00; Y10S162/90; Y10S162/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |