Patent US3132990A successfully refreshed from Google Patents.
US3132990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper making apparatus
Assignee: Diamond National Corp
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Filing: 1962-10-19
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Granted: 1964-05-12
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Expires: 1982-10-19
Abstract
No abstract record available.
Inventors
- 👤 Alton D Trufitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:11
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/04; Y; Y10; Y10S; Y10S162/00; Y10S162/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
IN A CYLINDER MOLD-TYPE PAPER PRODUCT PRODUCING APPARATUS COMPRISING CONTINUOUSLY ROTATABLE FORMING-CYLINDER MEANS FOR HAVING FORMED THEREON A CONTINUOUS WEB OF PAPER PRODUCT MATERIAL DEPOSITED FROM AN AQUEOUS SUSPENSION OF POLUP STOCK, CONTINUSOULY MOVALBE FORMING MEANS HAVING A PORTION DISPOSED ADJACENT TO A PORTION OF THE OUTER PERIPHERY OF SAID FORMING-CYLINDER MEANS AND FORMING THEREWITH A CONVERGING NIP PORTION, AND SLUICE MEANS FOR INTRODUCING A CONTINUOUS FLOW OF PULP STOCK TOWARD SAID CONVERGING NIP PORTION, AT LEAST ONE OF SAID FORMING-CYLINDER MEANS AND SAID CONTINUOUSLY MOVABLE FORMING MEANS INCLUDING A SUBSTANTIALLY FREE-DRAINING PORTION AT SAID NIP PORTION FOR REMOVING A SUBSTANTIAL PORTION OF THE RESIDUAL MOISTURE FROM SAID PULP STOCK AT SAID NIP PORTION WHEREBY THE CONTINUOUSLY PRODUCED WEB OF PAPER PRODUCT MATERIAL IS ESSENTIALLY FORMED ADJACENT SAID NIP PORTION,SAID SLUICE MEANS INCLUDING A TERMINAL OUTLET PORTION CONVERGING INTO SAID NIP PORTION,SAID OUTLET PORTION BEING ADJUSTABLE TRANSVERSELY OF SAID NIP PORTION FOR CONTROLLING THE AMOUNT OF PULP STOCK FED INTO SAID NIP PORTION, SAID OUTLET PORTION COMPRISING A PAIR OF CONVERGING LIP ELEMENTS, THE IMPROVEMENT WHEREIN ONE OF SAID LIP ELEMENTS IS ADJUSTABLY MOUNTED FOR MOVEMENT INTO AND OUT OF SAID NIP PORTION, THE OTHER LIP ELEMENT IS ADJUSTABLY MOUNTED ON SAID ONE LIP ELEMENT AND IT INDEPENDENTLY ADJUSTABLE INTO AND OUT OF SAID NIP PORTION.
Claim 2
Dependent Claim
216 words
IN A CYLINDER MOLD-TYPE PAPER PRODUCT PRODUCING APPARATUS COMPRISING CONTINUOUSLY ROTATABLE FORMING-CYLINDER MEANS FOR HAVING FORMED THEREON A CONTINUOUS WEB OF PAPER PRODUCT MATERIAL DEPOSITED FROM AN AQUEOUS SUSPENSION OF POLUP STOCK, CONTINUSOULY MOVALBE FORMING MEANS HAVING A PORTION DISPOSED ADJACENT TO A PORTION OF THE OUTER PERIPHERY OF SAID FORMING-CYLINDER MEANS AND FORMING THEREWITH A CONVERGING NIP PORTION, AND SLUICE MEANS FOR INTRODUCING A CONTINUOUS FLOW OF PULP STOCK TOWARD SAID CONVERGING NIP PORTION, AT LEAST ONE OF SAID FORMING-CYLINDER MEANS AND SAID CONTINUOUSLY MOVABLE FORMING MEANS INCLUDING A SUBSTANTIALLY FREE-DRAINING PORTION AT SAID NIP PORTION FOR REMOVING A SUBSTANTIAL PORTION OF THE RESIDUAL MOISTURE FROM SAID PULP STOCK AT SAID NIP PORTION WHEREBY THE CONTINUOUSLY PRODUCED WEB OF PAPER PRODUCT MATERIAL IS ESSENTIALLY FORMED ADJACENT SAID NIP PORTION,SAID SLUICE MEANS INCLUDING A TERMINAL OUTLET PORTION CONVERGING INTO SAID NIP PORTION,SAID OUTLET PORTION BEING ADJUSTABLE TRANSVERSELY OF SAID NIP PORTION FOR CONTROLLING THE AMOUNT OF PULP STOCK FED INTO SAID NIP PORTION, SAID OUTLET PORTION COMPRISING A PAIR OF CONVERGING LIP ELEMENTS, THE IMPROVEMENT WHEREIN ONE OF SAID LIP ELEMENTS IS ADJUSTABLY MOUNTED FOR MOVEMENT INTO AND OUT OF SAID NIP PORTION, THE OTHER LIP ELEMENT IS ADJUSTABLY MOUNTED ON SAID ONE LIP ELEMENT AND IT INDEPENDENTLY ADJUSTABLE INTO AND OUT OF SAID NIP PORTION.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |