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US3080913A Expired / Lapsed US ⏱️ 0.0 years remaining

Inverse first press for paper machine

Assignee: Beloit Iron Works Inc
•
Filing: 1960-10-17
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Granted: 1963-03-12
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Expires: 1980-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Horubostel Lloyd

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 02:34
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 158 words
IN A PAPER MAKING MACHINE, A FORMING WIRE ON WHICH A NEWLY FORMED MAT MAY BE CARRIED, A COUCH ROLL FOR THE FORMING WIRE, A FORWARD TURNING ROLL FOR THE FORMING WIRE AND A MAT PRESS DEVICE SPACED IN CLOSE PROXIMITY TO THE REACH OF THE FORMING WIRE BETWEEN THE COUCH ROLL AND THE FORWARD TURNING ROLL FOR RECEIVING AN UNSUPPORTED, NEWLY FORMED AND WET MAT FROM A SHORT OPEN SPAN BETWEEN SAID FORMING WIRE REACH AND SAID MAT PRESS DEVICE, SAID MAT PRESS DEVICE INCLUDING A BOTTOM ROLL MOUNTED IN CLOSE RUNNING RELATION TO THE FORMING WIRE HAVING A MICRO-POROUS SYNTHETIC COVER ON A SHELL AND A TOP ROLL HAVING A FELT LAPPED THEREABOUT COOPERATING WITH SAID BOTTOM ROLL TO FORM A FIRST PRESS NIP FOR THE REDUCTION OF THE WATER CONTENT OF THE MAT AND FOR REDUCING THE NUMBER OF FORMING WIRE MARKINGS ON THE MAT, SAID FELT BEING THE ONLY FELT PASSING THROUGH SAID NIP.
Claim 2
Dependent Claim 158 words
IN A PAPER MAKING MACHINE, A FORMING WIRE ON WHICH A NEWLY FORMED MAT MAY BE CARRIED, A COUCH ROLL FOR THE FORMING WIRE, A FORWARD TURNING ROLL FOR THE FORMING WIRE AND A MAT PRESS DEVICE SPACED IN CLOSE PROXIMITY TO THE REACH OF THE FORMING WIRE BETWEEN THE COUCH ROLL AND THE FORWARD TURNING ROLL FOR RECEIVING AN UNSUPPORTED, NEWLY FORMED AND WET MAT FROM A SHORT OPEN SPAN BETWEEN SAID FORMING WIRE REACH AND SAID MAT PRESS DEVICE, SAID MAT PRESS DEVICE INCLUDING A BOTTOM ROLL MOUNTED IN CLOSE RUNNING RELATION TO THE FORMING WIRE HAVING A MICRO-POROUS SYNTHETIC COVER ON A SHELL AND A TOP ROLL HAVING A FELT LAPPED THEREABOUT COOPERATING WITH SAID BOTTOM ROLL TO FORM A FIRST PRESS NIP FOR THE REDUCTION OF THE WATER CONTENT OF THE MAT AND FOR REDUCING THE NUMBER OF FORMING WIRE MARKINGS ON THE MAT, SAID FELT BEING THE ONLY FELT PASSING THROUGH SAID NIP.

References Cited (Backward Citations)

US2209759A Cited
US2775169A Cited
US2888074A Cited
US2782693A Cited
US2959222A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-11 1966-09-10 1967-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-11 1970-09-10 1971-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-11 1974-09-10 1975-03-12 $7700.00 Window Closed / Lapsed

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