US3323153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the continuous fluid-treatment of fabric webs
Assignee: Truetzschler Nonwovens GmbH
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Filing: 1966-02-11
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Granted: 1967-06-06
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Expires: 1986-02-11
Abstract
No abstract record available.
Inventors
- 👤 Fleissner Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:13
CPC Classifications
D; D06; D06B; D06B19/00; D06B19/0005; D06B19/0029; D06B19/0041
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
A METHOD OF TREATING A WEB OF FLEXIBLE TEXTILE MATE
Claim 2
Independent Claim
10 words
A METHOD OF TREATING A WEB OF FLEXIBLE TEXTILE MATE
Claim 3
Independent Claim
116 words
A METHOD OF TREATING A WEB OF FLEXIBLE TIXTILE MATERIAL WITH AT LEAST ONE TREATMENT FLUID, COMPRISING THE STEPS OF: (A) CONTINUOUSLY CONVEYING SAID WEB THROUGH A SUBSTANTIALLY CLOSED CHAMBER ALONG AT LEAST ONE PERFORATED SURFACE FORMING A TRANSPORT PATH HAVING A PLURALITY OF SUCCESSIVE ZONES; (B) DRAWING SAID FLUID THROUGH SAID WEB AND SAID SURFACE AT A FIRST OF SAID ZONES AT A RELATIVELY HIGH RATE PER UNIT QUANTITY OF THE MATERIAL TREATED; AND PER UNIT QUNATITY OF THE MATERIAL TREATED: AND (C) SUBSEQUENTLY PASSING SID FLUID THROUGH SAID WEB AT (C) SUBSEQUENTLY PASSING SAID FLUID THROUGH SAID WEB AT A SUCCEEDING ZONE AT A RELATIVELY LOW RATE PER UNIT QUANTITY OF SAID MATERIAL TREATED.
Claim 4
Independent Claim
116 words
A METHOD OF TREATING A WEB OF FLEXIBLE TIXTILE MATERIAL WITH AT LEAST ONE TREATMENT FLUID, COMPRISING THE STEPS OF: (A) CONTINUOUSLY CONVEYING SAID WEB THROUGH A SUBSTANTIALLY CLOSED CHAMBER ALONG AT LEAST ONE PERFORATED SURFACE FORMING A TRANSPORT PATH HAVING A PLURALITY OF SUCCESSIVE ZONES; (B) DRAWING SAID FLUID THROUGH SAID WEB AND SAID SURFACE AT A FIRST OF SAID ZONES AT A RELATIVELY HIGH RATE PER UNIT QUANTITY OF THE MATERIAL TREATED; AND PER UNIT QUNATITY OF THE MATERIAL TREATED: AND (C) SUBSEQUENTLY PASSING SID FLUID THROUGH SAID WEB AT (C) SUBSEQUENTLY PASSING SAID FLUID THROUGH SAID WEB AT A SUCCEEDING ZONE AT A RELATIVELY LOW RATE PER UNIT QUANTITY OF SAID MATERIAL TREATED.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |