US2577957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of calender finishing nylon fabric
Assignee: ASPINOCK Corp
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Filing: 1949-06-04
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Granted: 1951-12-11
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Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 Farnworth Edwin
- 👤 Jr George H Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:59
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
THE PROCESS OF PRODUCING CALENDER FINISHES ON WOVEN NYLON TEXTILE AN AQUEOUS PRECONDENSATE OF PLYING TO THE FABRIC AN AQUEOUS PRECONDENSATE OF A RESIN SELECTED FROM A GROUP CONSISTING OF MELAMINE FORMALDEHYDE AND UREA FORMALDEHYDE, IN AN AMOUNT CAPABLE OF ULTIMATELY DESPOSITING FROM 1 TO 10% OF A SOLID RESIN WITH REFERENCE TO THE WEIGHT OF THE FABRIC, DRYING THE FABRIC SLIGHTLY AND WHILE MOIST PASSING THROUGH AN EMBOSSING CALENDER AT A TEMPERATURE OF 350* TO 400F. AND A CALENDER PRESSURE OF FROM 4 TO 6 TONS AND AT A SPEED TO CAUSE CONTACT OF THE FABRIC WITH THE CALENDER FOR SUBSTANTIALLY 1/2 SECOND TO SOFTEN THE OUTER SURFACE PORTION OF THE FABRIC BEING TREATED AND CAUSE COMBINATION OF THE RESIN THEREWITH, AND THEN CURING THE RESIN BY HEATING FOR A PERIOD OF TIME SUFFICIENT TO HARDEN THE SAME TO A FINAL STATE WITHOUT DETERIORATION OF THE FABRIC WHEREBY THE EMBOSSED CALENDER FINISH BECOMES PERMANENTLY FAST TO WASHING.
Claim 2
Dependent Claim
158 words
THE PROCESS OF PRODUCING CALENDER FINISHES ON WOVEN NYLON TEXTILE AN AQUEOUS PRECONDENSATE OF PLYING TO THE FABRIC AN AQUEOUS PRECONDENSATE OF A RESIN SELECTED FROM A GROUP CONSISTING OF MELAMINE FORMALDEHYDE AND UREA FORMALDEHYDE, IN AN AMOUNT CAPABLE OF ULTIMATELY DESPOSITING FROM 1 TO 10% OF A SOLID RESIN WITH REFERENCE TO THE WEIGHT OF THE FABRIC, DRYING THE FABRIC SLIGHTLY AND WHILE MOIST PASSING THROUGH AN EMBOSSING CALENDER AT A TEMPERATURE OF 350* TO 400F. AND A CALENDER PRESSURE OF FROM 4 TO 6 TONS AND AT A SPEED TO CAUSE CONTACT OF THE FABRIC WITH THE CALENDER FOR SUBSTANTIALLY 1/2 SECOND TO SOFTEN THE OUTER SURFACE PORTION OF THE FABRIC BEING TREATED AND CAUSE COMBINATION OF THE RESIN THEREWITH, AND THEN CURING THE RESIN BY HEATING FOR A PERIOD OF TIME SUFFICIENT TO HARDEN THE SAME TO A FINAL STATE WITHOUT DETERIORATION OF THE FABRIC WHEREBY THE EMBOSSED CALENDER FINISH BECOMES PERMANENTLY FAST TO WASHING.
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) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |