Patent US3761977A successfully refreshed from Google Patents.
US3761977A
Expired / Lapsed
US
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Process and apparatus for treatment of textile materials
Assignee: Individual
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Filing: 1971-09-17
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Granted: 1973-10-02
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Expires: 1991-09-17
Abstract
Abstract A process and apparatus is disclosed for effecting the treatment of textile and textile-like materials such as drying, steaming, extracting, curing and heat setting. Superheated steam is directed through the textile material at elevated temperatures and pressures.
Inventors
- 👤 S Rappoport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:21
CPC Classifications
D; D06; D06B; D06B5/00; D06B5/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
113 words
A process for continuously treating textile and textile-like materials which comprises superheating steam by maintaining said steam in an enclosed chamber at elevated temperatures of from 200* to 700*F and elevated pressures of from 5 to 115 psig, and directing a flow of said superheated steam directly onto the surface of and through said textile or textile-like material by releasing said superheated steam from said chamber while passing said textile or textile-like material through said flow of superheated stEam, such that the contacting of said textile or textile-like material with said superheated steam is maintained for a relatively short period of time and said textile or textile-like material is not adversely affected thereby.
Claim 2
Dependent Claim
113 words
A process for continuously treating textile and textile-like materials which comprises superheating steam by maintaining said steam in an enclosed chamber at elevated temperatures of from 200* to 700*F and elevated pressures of from 5 to 115 psig, and directing a flow of said superheated steam directly onto the surface of and through said textile or textile-like material by releasing said superheated steam from said chamber while passing said textile or textile-like material through said flow of superheated stEam, such that the contacting of said textile or textile-like material with said superheated steam is maintained for a relatively short period of time and said textile or textile-like material is not adversely affected thereby.
Claim 3
Dependent Claim
24 words
The process of claim 1 wherein said elevated temperature is from 220* to 500*F., and said elevated pressure is from 15 to 25 p.s.i.
Claim 4
Dependent Claim
24 words
The process of claim 1 wherein said elevated temperature is from 400* to 450*F., and said elevated pressure is from 50 to 60 p.s.i.
Claim 5
Dependent Claim
30 words
The process of claim 1 wherein said flow of superheated steam additionally contains a treating media selected from the group consisting of steam, water, detergent, bleach, dye, and mixtures thereof.
Claim 6
Dependent Claim
23 words
The process of claim 1 wherein from 1,000 to b 1,500 pounds of superheated steam per hour are contacted with said textile material.
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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |