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US3279424A
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Apparatus for coating webs with polymerizable materials
Assignee: Champion Papers Inc
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Filing: 1960-11-02
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Granted: 1966-10-18
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Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 Jr George E Brown
- 👤 Hackley Kenneth Lewis
- 👤 David H Nowak
- 👤 Edmund A Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:07
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/78; D06; D06B; D06B1/00; D06B1/04; D21H25/00; D21H25/08; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062; B; B29; B29C; B29C43/00; B29C43/22; B29C43/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
APPARATUS FOR THE CONTINUOUS COATING OF MOVING WEBS COMPRISING: MIXING MEANS FOR RAPIDLY BLENDING AND SUPPLYING A COATING TO THE SURFACE OF THE WEB, FIXEDLY MOUNTED DOCTORING MEANS SUBSTANTIALLY UNIFORM THROUGHOUT ITS LENGTH ACTING TO CONTINUOUSLY SMOOTH A SMALL PORTION OF THE COATING ON THE MOVING WEB WHILE CONFINING A MAJOR PORTION OF THE COATING AS A POOL ON THE SURFACE OF THE WEB, A BACK UP ROLL ADJACENT THE DOCTORING MEANS IN A POSITION TO SUPPORT THE WEB AGAINST PRESSURE WHICH IS EXERTED THEREON BY THE DOCTORING MEANS, SAID DOCTORING MEANS AND ADJACENTLY MOUNTED ROLL BEING WIDER THAN THE WIDTHS OF THE WEB TO BE COATED, AND MEANS FOR LUBRICATING WITH AN AQUEOUS LIQUID THE LINE OF DIRECT CONTACT BETWEEN THE DOCTORING MEANS AND THE ROLL BEYOND THE EDGES OF SAID WEB.
Claim 2
Dependent Claim
133 words
APPARATUS FOR THE CONTINUOUS COATING OF MOVING WEBS COMPRISING: MIXING MEANS FOR RAPIDLY BLENDING AND SUPPLYING A COATING TO THE SURFACE OF THE WEB, FIXEDLY MOUNTED DOCTORING MEANS SUBSTANTIALLY UNIFORM THROUGHOUT ITS LENGTH ACTING TO CONTINUOUSLY SMOOTH A SMALL PORTION OF THE COATING ON THE MOVING WEB WHILE CONFINING A MAJOR PORTION OF THE COATING AS A POOL ON THE SURFACE OF THE WEB, A BACK UP ROLL ADJACENT THE DOCTORING MEANS IN A POSITION TO SUPPORT THE WEB AGAINST PRESSURE WHICH IS EXERTED THEREON BY THE DOCTORING MEANS, SAID DOCTORING MEANS AND ADJACENTLY MOUNTED ROLL BEING WIDER THAN THE WIDTHS OF THE WEB TO BE COATED, AND MEANS FOR LUBRICATING WITH AN AQUEOUS LIQUID THE LINE OF DIRECT CONTACT BETWEEN THE DOCTORING MEANS AND THE ROLL BEYOND THE EDGES OF SAID WEB.
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |