US3146159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating paper with high solids high viscosity coating in the wet end of the paper making machine
Assignee: Combined Locks Paper Co
•
Filing: 1960-08-01
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Granted: 1964-08-25
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Expires: 1980-08-01
Abstract
No abstract record available.
Inventors
- 👤 Gerald D Muggleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:54
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H23/24; D21H23/26; D21H23/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF APPLYING HEAVY COATING TO A WEB OF PAPER TRAVELING THROUGH THE WET END OF A PAPER MAKING MACHINE HAVING PRESS ROLLS COMPRISING, PLACING AN ADJUSTABLE SPEED CONTROLLED SMALL DIAMETER APPLICATOR ROLL IN CONTACT WITH ONE PRESS ROLL TO FORM A NIP, CONTINUALLY FURNISHING TO SAID NIP A SUPPLY OF HEAVY COATING HAVING A VISCOSITY IN THE RANGE OF 3,000 TO 10,000 CENTIPOISES, AND DRIVING SAID APPLICATOR ROLL IN THE SAME PERIPHERAL DIRECTION AT THE NIP AS SAID PRESS ROLL AND AT A SPEED SUFFICIENTLY LESS THAN THE SPEED OF SAID PRESS ROLL TO MAINTAIN A CALM NON-SPLASHING POND OF COATING AT SAID NIP.
Claim 2
Independent Claim
106 words
THE METHOD OF APPLYING HEAVY COATING TO A WEB OF PAPER TRAVELING THROUGH THE WET END OF A PAPER MAKING MACHINE HAVING PRESS ROLLS COMPRISING, PLACING AN ADJUSTABLE SPEED CONTROLLED SMALL DIAMETER APPLICATOR ROLL IN CONTACT WITH ONE PRESS ROLL TO FORM A NIP, CONTINUALLY FURNISHING TO SAID NIP A SUPPLY OF HEAVY COATING HAVING A VISCOSITY IN THE RANGE OF 3,000 TO 10,000 CENTIPOISES, AND DRIVING SAID APPLICATOR ROLL IN THE SAME PERIPHERAL DIRECTION AT THE NIP AS SAID PRESS ROLL AND AT A SPEED SUFFICIENTLY LESS THAN THE SPEED OF SAID PRESS ROLL TO MAINTAIN A CALM NON-SPLASHING POND OF COATING AT SAID NIP.
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |