US3024129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of finishing paper
Assignee: West Virginia Pulp and Paper Co
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Filing: 1960-05-02
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Granted: 1962-03-06
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Brundige Maurice Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:27
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/08; D21H25/12; D21G; D21G1/00; D21G1/0073; D21G1/0093; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062; D21H5/0067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS OF FINISHING COATED PAPER ON A SUPERCALENDER WHICH COMPRISES THE STEPS OF PARTIALLY SUPERCALENDERING A TRAVELING WEB OF PAPER, WETTING THE SURFACE OF ONE OF THE METAL ROLLS OF THE SUPERCALENDER WITH A MOISTENING SOLUTION, CONFINING THE MOISTENING SOLUTION TO THE SURFACE OF SAID METAL ROLL AT A DECKLE LESS THAN THE DECKLE OF THE TRAVELING WEB, APPLYING THE MOISTENING SOLUTION TO THE COATED SURFACE OF THE TRAVELING WEB INTERMEDIATE OF THE WEB EDGES TO MOISTEN THE COATED SURFACE OF THE WEB AT THE NIP FORMED BY THE METAL ROLL AND AN ADJACENT RESILIENT ROLL AND TO LEAVE THE WEB EDGES UNMOISTENED, AND SMOOTHING THE WEB BY PRESSING THE MOISTENED SURFACE OF THE WEB AGAINST THE METAL ROLL BY THE RESILIENT ROLL.
Claim 2
Dependent Claim
124 words
A PROCESS OF FINISHING COATED PAPER ON A SUPERCALENDER WHICH COMPRISES THE STEPS OF PARTIALLY SUPERCALENDERING A TRAVELING WEB OF PAPER, WETTING THE SURFACE OF ONE OF THE METAL ROLLS OF THE SUPERCALENDER WITH A MOISTENING SOLUTION, CONFINING THE MOISTENING SOLUTION TO THE SURFACE OF SAID METAL ROLL AT A DECKLE LESS THAN THE DECKLE OF THE TRAVELING WEB, APPLYING THE MOISTENING SOLUTION TO THE COATED SURFACE OF THE TRAVELING WEB INTERMEDIATE OF THE WEB EDGES TO MOISTEN THE COATED SURFACE OF THE WEB AT THE NIP FORMED BY THE METAL ROLL AND AN ADJACENT RESILIENT ROLL AND TO LEAVE THE WEB EDGES UNMOISTENED, AND SMOOTHING THE WEB BY PRESSING THE MOISTENED SURFACE OF THE WEB AGAINST THE METAL ROLL BY THE RESILIENT ROLL.
References Cited (Backward Citations)
US1864852A
Cited
US2251890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |