Patent US3312415A successfully refreshed from Google Patents.
US3312415A
Expired / Lapsed
US
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Means for controlling the tension of a web
Assignee: ALLIED TRADES RES ASS
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Filing: 1965-03-03
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Granted: 1967-04-04
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Jeans Michael Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:57
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/08; B; B65; B65B; B65B41/00; B65B41/12; B65H; B65H23/00; B65H23/04; B65H23/044; B65H23/06; B65H23/063; D; D21; D21F; D21F1/00; D21F1/36; D21F1/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A TENSION SENSING DEVICE WHICH COMPRISES A FIXED ELONGATED BODY, ROUND WHICH A TRAVELLING WEB IS GUIDED, FORMED WITH AN OPENING IN ITS SURFACE, SAID OPENING COMMUNICATING WITH A SOURCE OF FLUID UNDER PRESSURE THROUGH AT LEAST ONE RESTRICTED PASSAGE SITUATED WITHIN SAID ELONGATED BODY CLOSELY ADJACENT TO SAID OPENING AND BEING ADAPTED TO PROVIDE A FLUID CUSHION BETWEEN THE WEB AND THE SURFACE OF THE ELONGATED BODY, THEREBY HOLDING THE WEB AWAY FROM THE SURFACE, AND PRESSURE DETECTING MEANS IN COMMUNICATION WITH MEANS BEING A PART OF THE FLUID CUSHION.
Claim 2
Dependent Claim
91 words
A TENSION SENSING DEVICE WHICH COMPRISES A FIXED ELONGATED BODY, ROUND WHICH A TRAVELLING WEB IS GUIDED, FORMED WITH AN OPENING IN ITS SURFACE, SAID OPENING COMMUNICATING WITH A SOURCE OF FLUID UNDER PRESSURE THROUGH AT LEAST ONE RESTRICTED PASSAGE SITUATED WITHIN SAID ELONGATED BODY CLOSELY ADJACENT TO SAID OPENING AND BEING ADAPTED TO PROVIDE A FLUID CUSHION BETWEEN THE WEB AND THE SURFACE OF THE ELONGATED BODY, THEREBY HOLDING THE WEB AWAY FROM THE SURFACE, AND PRESSURE DETECTING MEANS IN COMMUNICATION WITH MEANS BEING A PART OF THE FLUID CUSHION.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |