US3326745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming paper between a forming wire and felt
Assignee: Kimberly Clark Corp
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Filing: 1964-12-04
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Granted: 1967-06-20
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 John B Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:20
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A PAPER WEB FORMING MACHINE, AN ENDLESS FELT, MEANS FOR MOVING AND SUPPORTING SAID FELT AND INCLUDING A ROLL ABOUT WHICH THE FELT MOVES, AND ENDLESS PAPER WEB FORMING FABRIC HAVING INTERSTICES THERETHROUGH FOR DRAINING PAPER STOCK DEPOSITED THEREON, MEANS FOR MOVING AND SUPPORTING SAID FABRIC SO THAT THE FABRIC ALSO EXTENDS AROUND SAID ROLL ON TOP OF THE FELT, SAID SUPPORTING MEANS FOR SAID FABIRC AND FELT INCLUDING A PAIR OF ROLLS ONE OF WHICH SUPPORTS THE FABRIC AND THE OTHER OF WHICH SUPPORTS THE FELT AND WHICH ARE SO SPACED AND POSITINED THAT THE FABRIC AND FELT FORM A TAPERING CAVITY BETWEEN THEM EXTNEDING FROM THESE ROLLS TO SAID FIRST NAMED ROLL, A PAPER STOCK INLET FOR DISCHARGING STOCK INTO SAID TAPERING CAVITY, AND A FLAT BACKING PLATE DISPOSED WITHIN SAID FELT AND BACKING THE PORTION OF THE FELT THAT EXTENDS FROM SAID FIRST NAMED ROLL TO ONE OF SAID PAIR OF ROLLS FOR PREVENTING SUBSTANTIAL BOWING OF THE FELT UNDER THE ACTION OF THE PAPER STOCK DISCHARGED INTO SAID CAVITY.
Claim 2
Dependent Claim
174 words
IN A PAPER WEB FORMING MACHINE, AN ENDLESS FELT, MEANS FOR MOVING AND SUPPORTING SAID FELT AND INCLUDING A ROLL ABOUT WHICH THE FELT MOVES, AND ENDLESS PAPER WEB FORMING FABRIC HAVING INTERSTICES THERETHROUGH FOR DRAINING PAPER STOCK DEPOSITED THEREON, MEANS FOR MOVING AND SUPPORTING SAID FABRIC SO THAT THE FABRIC ALSO EXTENDS AROUND SAID ROLL ON TOP OF THE FELT, SAID SUPPORTING MEANS FOR SAID FABIRC AND FELT INCLUDING A PAIR OF ROLLS ONE OF WHICH SUPPORTS THE FABRIC AND THE OTHER OF WHICH SUPPORTS THE FELT AND WHICH ARE SO SPACED AND POSITINED THAT THE FABRIC AND FELT FORM A TAPERING CAVITY BETWEEN THEM EXTNEDING FROM THESE ROLLS TO SAID FIRST NAMED ROLL, A PAPER STOCK INLET FOR DISCHARGING STOCK INTO SAID TAPERING CAVITY, AND A FLAT BACKING PLATE DISPOSED WITHIN SAID FELT AND BACKING THE PORTION OF THE FELT THAT EXTENDS FROM SAID FIRST NAMED ROLL TO ONE OF SAID PAIR OF ROLLS FOR PREVENTING SUBSTANTIAL BOWING OF THE FELT UNDER THE ACTION OF THE PAPER STOCK DISCHARGED INTO SAID CAVITY.
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |