US3213470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the continuous treatment of textile bundles with pressure steam
Assignee: Asahi Kasei Corp
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Filing: 1961-11-28
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Granted: 1965-10-26
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Expires: 1981-11-28
Abstract
No abstract record available.
Inventors
- 👤 Yasawa Masahide
- 👤 Okajima Saburo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:56
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/02; D06B3/04; D06B3/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF CONTINUOUSLY TREATING A TEXTILE BUNDLE WHEREIN THE BUNDLE IS PASSED THROUGH A CHAMBER FOR BEING TREATED WITH PRESSURE STEAM AT A TEMPERATURE IN EXCESS OF 100*C., THE METHOD COMPRISING FEEDING THE BUNDLE SUCCESSIVELY THROUGH SEPARATE CELLS CONSTITUTING ZONES OF STEPWISE INCREASING PRESSURE TOWARDS SAID CHAMBER AND WHEREIN THE PRESSURE IN SAID ZONES IS CONTROLLED BY SUCCESSIVELY ALLOWING DISCHARGE OF STEAM FROM SAID CHAMBER AND THROUGH SAID CELLS IN STEPWISE DECREASING PRESSURE FASHION SUCH THAT THE BUNDLE IS FED COUNTERCURRENTLY WITH THE STEAM.
Claim 2
Independent Claim
85 words
A METHOD OF CONTINUOUSLY TREATING A TEXTILE BUNDLE WHEREIN THE BUNDLE IS PASSED THROUGH A CHAMBER FOR BEING TREATED WITH PRESSURE STEAM AT A TEMPERATURE IN EXCESS OF 100*C., THE METHOD COMPRISING FEEDING THE BUNDLE SUCCESSIVELY THROUGH SEPARATE CELLS CONSTITUTING ZONES OF STEPWISE INCREASING PRESSURE TOWARDS SAID CHAMBER AND WHEREIN THE PRESSURE IN SAID ZONES IS CONTROLLED BY SUCCESSIVELY ALLOWING DISCHARGE OF STEAM FROM SAID CHAMBER AND THROUGH SAID CELLS IN STEPWISE DECREASING PRESSURE FASHION SUCH THAT THE BUNDLE IS FED COUNTERCURRENTLY WITH THE STEAM.
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |