Patent US2948646A successfully refreshed from Google Patents.
US2948646A
Expired / Lapsed
US
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Glass pressing nipper rolls
Assignee: PPG Industries Inc
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Filing: 1956-03-23
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Granted: 1960-08-09
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Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:52
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10862; C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A NIPPER ROLL PRESS FOR THE PRELIMINARY PRESSING OF CURVED LAMINATED GLASS SHEETS, A PAIT OF UPPER AND LOWER RESILIENT NIPPER ROLLS, A PAIR OF SHAFTS FOR MOUNTING SAID ROLLS, BEARING MEANS FOR SUPPORTING SAID SHAFTS WITH THEIR LONGITUDINAL AXES MAINTAINED ALWAYS IN A COMMON PLANE, MEANS PRESSING THE ROLLS TIGHTLY TOGETHER, AND MEANS FOR DRIVING ONE OF SAID SHAFTS, THE NIPPER ROLL MOUNTED ON THE DRIVEN SHAFT BEING DIVIDED TRANSVERSELY TO THE LONGITUDINAL AXIS OF SAID ROLL INTO AT LEAST TWO COAXIAL SECTIONS, AT LEAST ONE OF SAID SECTIONS BEING KEYED TO SAID DRIVEN SHAFT TO ROTATE THEREWITH, AND AT LEAST ONE OF SAID SECTIONS BEING FREE TO ROTATE AROUND SAID SHAFT INDEPENDENTLY OF THE ROTATION AND OF THE SPATIAL POSITION THEREOF.
Claim 2
Dependent Claim
124 words
IN A NIPPER ROLL PRESS FOR THE PRELIMINARY PRESSING OF CURVED LAMINATED GLASS SHEETS, A PAIT OF UPPER AND LOWER RESILIENT NIPPER ROLLS, A PAIR OF SHAFTS FOR MOUNTING SAID ROLLS, BEARING MEANS FOR SUPPORTING SAID SHAFTS WITH THEIR LONGITUDINAL AXES MAINTAINED ALWAYS IN A COMMON PLANE, MEANS PRESSING THE ROLLS TIGHTLY TOGETHER, AND MEANS FOR DRIVING ONE OF SAID SHAFTS, THE NIPPER ROLL MOUNTED ON THE DRIVEN SHAFT BEING DIVIDED TRANSVERSELY TO THE LONGITUDINAL AXIS OF SAID ROLL INTO AT LEAST TWO COAXIAL SECTIONS, AT LEAST ONE OF SAID SECTIONS BEING KEYED TO SAID DRIVEN SHAFT TO ROTATE THEREWITH, AND AT LEAST ONE OF SAID SECTIONS BEING FREE TO ROTATE AROUND SAID SHAFT INDEPENDENTLY OF THE ROTATION AND OF THE SPATIAL POSITION THEREOF.
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |