US2857653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing crepe fabrics
Assignee: Burlington Industries Inc
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Filing: 1955-08-29
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Granted: 1958-10-28
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Charles R Ephland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:31
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS OF MANUFACTURING CREPE FABRICS WHICH COMPRISES (1) AT LEAST SUBSTANTIALLY COMPLETELY REMOVING THE RESIDUAL SHRINKAGE IN A YARN CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SYNTHETIC LINEAR POLYAMIDES, POLYESTERS AND MIXED POLYESTER-AMIDES, (2) HIGHLY TWISTING THE RESULTING YARN, (3) HEATING THE TWISTED YARN WITH A MEMBER OF THE GROUP CONSISTING OF STEAM AT A TEMPERATURE WITHIN THE RANGE OF 138*-168*F., WET AND 145-175*F., FOR 5 MINUTES TO 2 HOURS, AND WET WATER AT 160* TO 212*F., FOR 5 MINUTES TO 2 HOURS; (4) CONDITIONING SAID YARN IN AN ATMOSHPERE HAVING A RELATIVE HUMIDITY OF 50-80% AND A TEMPERATURE OF 60 TO 80* F.; (5) SIZING; (6) WEAVING A FABRIC FROM SAID YARN AND THEN (7) SUBJECTING SAME TO A HEATED AQUEOUS CREPING MEDIUM.
Claim 2
Dependent Claim
129 words
A PROCESS OF MANUFACTURING CREPE FABRICS WHICH COMPRISES (1) AT LEAST SUBSTANTIALLY COMPLETELY REMOVING THE RESIDUAL SHRINKAGE IN A YARN CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SYNTHETIC LINEAR POLYAMIDES, POLYESTERS AND MIXED POLYESTER-AMIDES, (2) HIGHLY TWISTING THE RESULTING YARN, (3) HEATING THE TWISTED YARN WITH A MEMBER OF THE GROUP CONSISTING OF STEAM AT A TEMPERATURE WITHIN THE RANGE OF 138*-168*F., WET AND 145-175*F., FOR 5 MINUTES TO 2 HOURS, AND WET WATER AT 160* TO 212*F., FOR 5 MINUTES TO 2 HOURS; (4) CONDITIONING SAID YARN IN AN ATMOSHPERE HAVING A RELATIVE HUMIDITY OF 50-80% AND A TEMPERATURE OF 60 TO 80* F.; (5) SIZING; (6) WEAVING A FABRIC FROM SAID YARN AND THEN (7) SUBJECTING SAME TO A HEATED AQUEOUS CREPING MEDIUM.
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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |