Patent US3353516A successfully refreshed from Google Patents.
US3353516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flooded nip coater pan
Assignee: Beloit Corp
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Filing: 1964-09-30
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Granted: 1967-11-21
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Robert K Blackburn
- 👤 William E Van Voorhis
- 👤 Allan J Nadeau
- 👤 Arnold J Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:42
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A DEVICE FOR COATING A TRAVELLING PAPER WEB, IN COMBINATION, A POWER DRIVEN BACKING ROLL PARTIALLY WRAPPED BY THE TRAVELLING WEB, A SINGLE APPLICATOR ROLL DISPOSED BENEATH SAID BACKING ROLL AND WITH SAID BACKING ROLL DEFINING A COATING NIP, A COATING PAN EXTENDING BENEATH SAID SINGLE APPLICATOR ROLL AND UPWARDLY ALONG OPPOSITE SIDES THEREOF, AND HAVING A REAR WALL ON THE INCOMING SIDE OF THE NIP BETWEEN SAID APPLICATOR ROLL AND SAID BACKING ROLL, A WEIR MOUNTED ON THE INSIDE OF SAID REAR WALL AND EXTENDING ACROSS SAID PAN AND TERMINATING INTO CLOSE PROXIMITY WITH SAID APPLICATOR ROLL, COATING SUPPLY MEANS ON THE INCOMING SIDE OF THE NIP BETWEEN SAID ROLLS FOR MAINTAINING A CONTINUOUS SUPPLY OF COATING MATERIAL TO SAID WEIR, SAID WEIR FORMING A RELATIVELY LOW VOLUME PUDDLE OF COATING MATERIAL ON THE UPRUNNING SIDE OF SAID APPLICATOR ROLL MAINTAINED IN THE FORM OF A LOW VOLUME PUDDLE BY SAID COATING SUPPLY MEANS.
Claim 2
Dependent Claim
156 words
IN A DEVICE FOR COATING A TRAVELLING PAPER WEB, IN COMBINATION, A POWER DRIVEN BACKING ROLL PARTIALLY WRAPPED BY THE TRAVELLING WEB, A SINGLE APPLICATOR ROLL DISPOSED BENEATH SAID BACKING ROLL AND WITH SAID BACKING ROLL DEFINING A COATING NIP, A COATING PAN EXTENDING BENEATH SAID SINGLE APPLICATOR ROLL AND UPWARDLY ALONG OPPOSITE SIDES THEREOF, AND HAVING A REAR WALL ON THE INCOMING SIDE OF THE NIP BETWEEN SAID APPLICATOR ROLL AND SAID BACKING ROLL, A WEIR MOUNTED ON THE INSIDE OF SAID REAR WALL AND EXTENDING ACROSS SAID PAN AND TERMINATING INTO CLOSE PROXIMITY WITH SAID APPLICATOR ROLL, COATING SUPPLY MEANS ON THE INCOMING SIDE OF THE NIP BETWEEN SAID ROLLS FOR MAINTAINING A CONTINUOUS SUPPLY OF COATING MATERIAL TO SAID WEIR, SAID WEIR FORMING A RELATIVELY LOW VOLUME PUDDLE OF COATING MATERIAL ON THE UPRUNNING SIDE OF SAID APPLICATOR ROLL MAINTAINED IN THE FORM OF A LOW VOLUME PUDDLE BY SAID COATING SUPPLY MEANS.
References Cited (Backward Citations)
US2293125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |