US3080913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inverse first press for paper machine
Assignee: Beloit Iron Works Inc
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Filing: 1960-10-17
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Granted: 1963-03-12
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Expires: 1980-10-17
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)
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 |