US3303044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling coating weight through differential in tension
Assignee: EIDP Inc
•
Filing: 1963-11-04
•
Granted: 1967-02-07
•
Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Fenley Thomas Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:28
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/02; G01B5/06; G01B5/066; D; D21; D21H; D21H23/00; D21H23/78; D21H5/00; D21H5/0005; D21H5/006; G01G; G01G19/00; Y; Y10; Y10S; Y10S430/00; Y10S430/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A METHOD FOR CONTINUOUSLY MEASURING THE AMOUNT OF COATING APPLIED TO A MOVING WEB OF FLEXIBLE MATERIAL WHICH COMPRISES (1) DETERMINING THE TENSION IN A VERTICALLY DISPOSED SEGMENT OF THE UNCOATED PART OF A CONTINUOUS AND MOVING WEB IMMEDIATELY PRIOR TO APPLICATION OF THE COATING TO SAID SEGMENT; (2) APPLYING A COATING TO A SURFACE OF THE MOVING WEB; (3) DETERMINING THE TENSION IN A VERTICALLY DISPOSED COATED SEGMENT, TRAVELING IN DIRECTION OPPOSITE TO THAT OF THE FIRST RECITED SEGMENT AND PREFERABLY OF A LENGTH EQUAL TO THE UNCOATED SEGMENT OF THE MOVING WEB AND IMMEDIATELY FOLLOWING THE STEP OF APPLYING SAID COATING TO SAID SEGMENT; (4) COMPUTING THE DIFFERENCE IN TENSION BETWEEN THE TENSIONS DETERMINED IN ACCORDANCE WITH STEPS (1) AND (3) AND (5) ADJUSTING THE RATE OF APPLYING THE COATING IN ACCORDANCE WITH ANY DIFFERENCES IN TENSION TO PROVIDE A CONTINUOUS WEB WHICH IS UNIFORMLY COATED THROUGHOUT ITS ENTIRE LENGTH.
Claim 2
Independent Claim
152 words
A METHOD FOR CONTINUOUSLY MEASURING THE AMOUNT OF COATING APPLIED TO A MOVING WEB OF FLEXIBLE MATERIAL WHICH COMPRISES (1) DETERMINING THE TENSION IN A VERTICALLY DISPOSED SEGMENT OF THE UNCOATED PART OF A CONTINUOUS AND MOVING WEB IMMEDIATELY PRIOR TO APPLICATION OF THE COATING TO SAID SEGMENT; (2) APPLYING A COATING TO A SURFACE OF THE MOVING WEB; (3) DETERMINING THE TENSION IN A VERTICALLY DISPOSED COATED SEGMENT, TRAVELING IN DIRECTION OPPOSITE TO THAT OF THE FIRST RECITED SEGMENT AND PREFERABLY OF A LENGTH EQUAL TO THE UNCOATED SEGMENT OF THE MOVING WEB AND IMMEDIATELY FOLLOWING THE STEP OF APPLYING SAID COATING TO SAID SEGMENT; (4) COMPUTING THE DIFFERENCE IN TENSION BETWEEN THE TENSIONS DETERMINED IN ACCORDANCE WITH STEPS (1) AND (3) AND (5) ADJUSTING THE RATE OF APPLYING THE COATING IN ACCORDANCE WITH ANY DIFFERENCES IN TENSION TO PROVIDE A CONTINUOUS WEB WHICH IS UNIFORMLY COATED THROUGHOUT ITS ENTIRE LENGTH.
References Cited (Backward Citations)
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US2884893A
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US2798345A
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US2942352A
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US3062078A
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |