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US3353516A Expired / Lapsed US ⏱️ 0.0 years remaining

Flooded nip coater pan

Assignee: Beloit Corp
•
Filing: 1964-09-30
•
Granted: 1967-11-21
•
Expires: 1984-09-30
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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 21:37
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

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