US3232825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual wire type paper-forming apparatus and methods of forming and dewatering paper
Assignee: TI Gotham Inc
•
Filing: 1963-09-16
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Granted: 1966-02-01
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 David E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:15
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/003
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
APPARATUS COMPRISING A BREAST ROLL, A PERMEABLE BELT TRAINED ABOUT SAID BREAST ROLL, HAVING A WEB-CONTACTNG SIDE AND A WATER-DRAINAGE SIDE, AND DEFINING A FORMING ZONE WHEREIN A STOCK MIXTURE IS RECEIVED AND FORMED INTO A WEB, A FORAMINOUS ROLL MOUNTED IN SPACEDAPART RELATION TO SAID BREAST ROLL AND HAVING A SURFACE DEFINING A FORAMINOUS SHEET OPPOSALE TO SAID WATER-DRAINAGE SIDE THROUGH AT LEAST A PORTION OF SAID FORMING ZONE, SAID PERMEABLE BELT BEING TRAINED ABOUT SAID FORAMINOUS ROLL, MEANS FOR SUPPLYING SAID MIXTURE TO SAID WEB-CONTACTING SIDE IN SAID FORMING ZONE, AND MEANS FOR REMOVING WATER FROM SAID MIXTURE IN SAID FORMING ZONE, SAID FORAMINOUS SHEET CONDUCTING THE WATER AWAY FROM SAID FORMING ZONE.
Claim 2
Dependent Claim
115 words
APPARATUS COMPRISING A BREAST ROLL, A PERMEABLE BELT TRAINED ABOUT SAID BREAST ROLL, HAVING A WEB-CONTACTNG SIDE AND A WATER-DRAINAGE SIDE, AND DEFINING A FORMING ZONE WHEREIN A STOCK MIXTURE IS RECEIVED AND FORMED INTO A WEB, A FORAMINOUS ROLL MOUNTED IN SPACEDAPART RELATION TO SAID BREAST ROLL AND HAVING A SURFACE DEFINING A FORAMINOUS SHEET OPPOSALE TO SAID WATER-DRAINAGE SIDE THROUGH AT LEAST A PORTION OF SAID FORMING ZONE, SAID PERMEABLE BELT BEING TRAINED ABOUT SAID FORAMINOUS ROLL, MEANS FOR SUPPLYING SAID MIXTURE TO SAID WEB-CONTACTING SIDE IN SAID FORMING ZONE, AND MEANS FOR REMOVING WATER FROM SAID MIXTURE IN SAID FORMING ZONE, SAID FORAMINOUS SHEET CONDUCTING THE WATER AWAY FROM SAID FORMING ZONE.
Claim 3
Dependent Claim
89 words
IN A METHOD OF FORMING PAPER, THE STEPS COMPRISING MOVING A PAIR OF PERMEABLE PAPER-FORMING MEMBERS IN CLOSELY-SPACED APART PAPER-MAKING RELATION AT SUBSTANTIALLY THE SAME SPEED AND IN SUBSTANTIALLY THE SAME DIRECTION THROUGH A PAPER-FORMING ZONE, INTRODUCING A PAPER STOCK BETWEEN SAID MEMBERS, TRAINING AT LEAST ONE OF SAID MEMBERS IN A CURVED PATH IN SAID FORMING ZONE ABOUT A PERMEABLE CURVED SUPPORTING SURFACE, MAINTAINING SAID SUPPORTING SURFACE STATIONARY, AND WITHDRAWING WATER FROM SAID STOCK THROUGH SAID SUPPORTING SURFACE TO FACILITATE FORMATION OF SAID STOCK INTO A PAPER WEB.
Claim 4
Dependent Claim
89 words
IN A METHOD OF FORMING PAPER, THE STEPS COMPRISING MOVING A PAIR OF PERMEABLE PAPER-FORMING MEMBERS IN CLOSELY-SPACED APART PAPER-MAKING RELATION AT SUBSTANTIALLY THE SAME SPEED AND IN SUBSTANTIALLY THE SAME DIRECTION THROUGH A PAPER-FORMING ZONE, INTRODUCING A PAPER STOCK BETWEEN SAID MEMBERS, TRAINING AT LEAST ONE OF SAID MEMBERS IN A CURVED PATH IN SAID FORMING ZONE ABOUT A PERMEABLE CURVED SUPPORTING SURFACE, MAINTAINING SAID SUPPORTING SURFACE STATIONARY, AND WITHDRAWING WATER FROM SAID STOCK THROUGH SAID SUPPORTING SURFACE TO FACILITATE FORMATION OF SAID STOCK INTO A PAPER WEB.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |