US3074261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating webs
Assignee: Riggs and Lombard Inc
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Filing: 1961-04-04
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Granted: 1963-01-22
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Harold R Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:05
CPC Classifications
D; D06; D06B; D06B17/00; D06B17/06; D06B19/00; D06B19/0005; D06B19/0029; D06B19/0035; D06B3/00; D06B3/34; D06B3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN APPARATUS FOR TREATING WEBS OF TEXTILE OR THE LIKE COMPRISING A CHAMBER HAVING MEANS FOR ESTABLISHING AND MAINTAINING THEREIN AN ATMOSPHERE SUITABLE FOR THE TREATMENT AND HAVING ENTRANCE AND EXIT PASSAGES FOR THE WEB, LET OFF MEANS IN ADVANCE OF THE ENTRANCE PASSAGE FOR DISPENSING THE WEB INTO THE CHAMBER, AND, WITHIN THE CHAMBER, AN ELEVATED SERIES OF SPACED TRANSPORTING ROLLS OVER WHICH THE WEB MAY PASS (BETWEEN THE ENTRANCE AND EXIT PASSAGES) WITH LOOPS OF THE WEB HANGING DOWN BETWEEN THEM, MEANS TO NORMALLY DRIVE ALL SAID ROLLS AT THE SAME SURFACE SPEED, MEANS FOR RECEIVING THE WEB FROM SAID ROLLS AND CARRYING IT AWAY THROUGH THE EXIT PASSAGE AT A SOMEWHAT LOWER SPEED AND SENSING DEVICES APPOSING THE LOWER BIGHTS OF THE LOOPS FOR REACTION TO SUCH BIGHTS WHEN THE LATTER REACH AN UNDERSIRABLY LOW POSITION AND MEANS CONTROLLED BY THE REACTION OF SUCH SENSING DEVICES TEMPORARILY TO RETARD THE DRIVEN MOVEMENT OF THE PRECEDING ROLL IN THE SERIES.
Claim 2
Independent Claim
162 words
AN APPARATUS FOR TREATING WEBS OF TEXTILE OR THE LIKE COMPRISING A CHAMBER HAVING MEANS FOR ESTABLISHING AND MAINTAINING THEREIN AN ATMOSPHERE SUITABLE FOR THE TREATMENT AND HAVING ENTRANCE AND EXIT PASSAGES FOR THE WEB, LET OFF MEANS IN ADVANCE OF THE ENTRANCE PASSAGE FOR DISPENSING THE WEB INTO THE CHAMBER, AND, WITHIN THE CHAMBER, AN ELEVATED SERIES OF SPACED TRANSPORTING ROLLS OVER WHICH THE WEB MAY PASS (BETWEEN THE ENTRANCE AND EXIT PASSAGES) WITH LOOPS OF THE WEB HANGING DOWN BETWEEN THEM, MEANS TO NORMALLY DRIVE ALL SAID ROLLS AT THE SAME SURFACE SPEED, MEANS FOR RECEIVING THE WEB FROM SAID ROLLS AND CARRYING IT AWAY THROUGH THE EXIT PASSAGE AT A SOMEWHAT LOWER SPEED AND SENSING DEVICES APPOSING THE LOWER BIGHTS OF THE LOOPS FOR REACTION TO SUCH BIGHTS WHEN THE LATTER REACH AN UNDERSIRABLY LOW POSITION AND MEANS CONTROLLED BY THE REACTION OF SUCH SENSING DEVICES TEMPORARILY TO RETARD THE DRIVEN MOVEMENT OF THE PRECEDING ROLL IN THE SERIES.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |