Patent US3302610A successfully refreshed from Google Patents.
US3302610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inverted trailing blade
Assignee: Beloit Corp
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Filing: 1963-10-10
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Granted: 1967-02-07
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph P Mahoney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:30
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/08; D21H25/10; B; B05; B05C; B05C11/00; B05C11/02; B05C11/04; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062; D21H5/0065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A MECHANISM FOR COATING A TRAVELLING PAPER WEB COMPRISING, A ROTARY BACKING ROLL FOR SUPPORTING A TRAVELLING WEB, A COATING APPLICATOR ROLL FORMING A COATING APPLYING NIP WITH THE BACKING ROLL, A COATING PAN BELOW SAID APPLICATOR ROLL SO THAT THE APPLICATOR ROLL WILL CARRY COATING UPWARDLY ONTO THE SURFACE OF THE WEB, A DOCTOR BACK FOLLOWING SAID NIP HAVING A TRAILING DOCTOR BLADE IN SMOOTHING RELATIONSHIP WITH THE COATING ON THE WEB SURFACE, AND A COATING RETAINER MEMBER PROJECTING OUTWARDLY IN ADVANCE OF THE BLADE AND FORMING A COATING RETAINING CHANNEL WITH THE BLADE FOR CONTAINING A QUANTITY OF COATING AGAINST THE FACE OF THE BLADE AND WEB AND INCREASING THE HYDRAULIC PRESSURE BETWEEN THE BLADE AND WEB.
Claim 2
Dependent Claim
119 words
A MECHANISM FOR COATING A TRAVELLING PAPER WEB COMPRISING, A ROTARY BACKING ROLL FOR SUPPORTING A TRAVELLING WEB, A COATING APPLICATOR ROLL FORMING A COATING APPLYING NIP WITH THE BACKING ROLL, A COATING PAN BELOW SAID APPLICATOR ROLL SO THAT THE APPLICATOR ROLL WILL CARRY COATING UPWARDLY ONTO THE SURFACE OF THE WEB, A DOCTOR BACK FOLLOWING SAID NIP HAVING A TRAILING DOCTOR BLADE IN SMOOTHING RELATIONSHIP WITH THE COATING ON THE WEB SURFACE, AND A COATING RETAINER MEMBER PROJECTING OUTWARDLY IN ADVANCE OF THE BLADE AND FORMING A COATING RETAINING CHANNEL WITH THE BLADE FOR CONTAINING A QUANTITY OF COATING AGAINST THE FACE OF THE BLADE AND WEB AND INCREASING THE HYDRAULIC PRESSURE BETWEEN THE BLADE AND WEB.
References Cited (Backward Citations)
US2848354A
Cited
US2995469A
Cited
US3081191A
Cited
US3097107A
Cited
US3113890A
Cited
US3192895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |