Patent US3106464A successfully refreshed from Google Patents.
US3106464A
Expired / Lapsed
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Glass sheet bending apparatus
Assignee: Compagnie de Saint Gobain SA
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Filing: 1959-02-17
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Granted: 1963-10-08
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Dammers August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:27
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
APPARATUS FOR BENDING HEATED THERMOPLASTIC SHEETS SUCH AS GLASS AND LIKE, SAID APARTUS COMPRISING A CONVEX, RIGID BENDING FORM AND A FLEXIBLE BENDING FORM EACH HAVING A HEAT RESISTENT SHEET ENGAGING FACE, SAID FORMS HAVING MOUNTED IN OPPOSING COOPERATING POSITION TO ENGAGE THE OPPOSITE BROAD SURFACES OF A THERMOPLASTIC SHEET AND TO BEND SAID BETWEEN THEM, A CENTRAL SUPPORT FOR THE FLEXIBLE FORM, MEANS TO ADVANCE THE FORMS TOWARD EACH OTHER, SAID FLEXIBLE BENDING FORM HAVING A FLEXIBLE BENDING FRAME FIXEDLY MOUNTED IN ITS CENTRAL PORTION OF SAID SUPPORT, AND MEANS SELECTIVELY TO PRODUCE DEFORMATION OF THE ENDS OF THE FLEXIBLE BENDING FRAME TO PERMIT THEM TO CONFORM TO THE CURVATURE OF THE ZONES OF THE RIGID BENDING FORM COOPERATING THEREWITH AS THE BENDING OPERATION PROGRESSES.
Claim 2
Dependent Claim
126 words
APPARATUS FOR BENDING HEATED THERMOPLASTIC SHEETS SUCH AS GLASS AND LIKE, SAID APARTUS COMPRISING A CONVEX, RIGID BENDING FORM AND A FLEXIBLE BENDING FORM EACH HAVING A HEAT RESISTENT SHEET ENGAGING FACE, SAID FORMS HAVING MOUNTED IN OPPOSING COOPERATING POSITION TO ENGAGE THE OPPOSITE BROAD SURFACES OF A THERMOPLASTIC SHEET AND TO BEND SAID BETWEEN THEM, A CENTRAL SUPPORT FOR THE FLEXIBLE FORM, MEANS TO ADVANCE THE FORMS TOWARD EACH OTHER, SAID FLEXIBLE BENDING FORM HAVING A FLEXIBLE BENDING FRAME FIXEDLY MOUNTED IN ITS CENTRAL PORTION OF SAID SUPPORT, AND MEANS SELECTIVELY TO PRODUCE DEFORMATION OF THE ENDS OF THE FLEXIBLE BENDING FRAME TO PERMIT THEM TO CONFORM TO THE CURVATURE OF THE ZONES OF THE RIGID BENDING FORM COOPERATING THEREWITH AS THE BENDING OPERATION PROGRESSES.
References Cited (Backward Citations)
US305707A
Cited
CA541626A
Cited
US760959A
Cited
US1906392A
Cited
FR845786A
Cited
US2297315A
Cited
US2350915A
Cited
US2382807A
Cited
US2434379A
Cited
US2663974A
Cited
FR1112708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |