Patent US3226219A successfully refreshed from Google Patents.
US3226219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the fabrication of u-shaped profiles of glass in a continuous rolling procedure
Assignee: Moosbrunner Glasfabriks AG
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Filing: 1961-06-22
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Granted: 1965-12-28
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Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jamnik Fridolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:47
CPC Classifications
C; C03; C03B; C03B13/00; C03B13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
AN APPARATUS FOR THE MANUFACTURE OF U-SHAPED VITREOUS PRODUCTS WHICH CONSIST OF A MEDIAN SECTION AND OF TWO FLANGES LATERALLY ADJACENT TO AND MAKING SUBSTANTIALLY RIGHT ANGLES WITH THE MEDAIN SECTON, COMPRISING MEANS FOR CONTINUOUSLY ADVANCING A BAND OF MOLTEN VITREOUS MATERIAL IN A PREDETERMINED DIRECTION; SUPPORTING MEANS HAVING A CENTER PORTION IN A PLANE FOR SUPPORTING THE MEDIAN SECTION OF SAID BAND FROM ONE SIDE OF THE LATTER AND A PLURALTIY OF SIDE PORTIONS ON OPPOSITE SIDES OF SAID CENTER PORTION FOR SUPPORTING THE EDGE PORTIONS OF SAID BAND, SAID SIDE PORTIONS ON EACH SIDE BEING INCLINED TO SAID PLANE AND THE INCLINATION OF SAID SIDE PORTIONS SUCCESSIVELY INCREASING IN SAID DIRECTION; AND A PLURALITY OF INDEPENDENT STRAIGNT CYLINDRICAL SHAPING ROLLERS ARRANGED ALONG OPPOSITE SIDES OF SAID CENTER PORTION, SAID SHAPING ROLLERS HAVING RESPECTIVE AXES EXTENDING RESPECTIVELY IN PLANES NORMAL TO SAID DIRECTION AND PARALLEL TO THE RESPECTIVE INDLINED SIDE PORTIONS, SAID SHAPING ROLLERS ENGAGING SAID EDGE PORTIONS AT THE OTHER SIDE OF SAID BAND AND COOPERATING WITH SAID SIDE PORTIONS OF THE SUPPORTING MEANS FOR GRADUALLY DEFLECTING SAID EDGE PORTIONS FURING ADVANCING OF SAID BAND TO AN INCREASINGLY GREATER EXTENT UNTIL THE EDGE PORTIONS FORM THE FLANGES OF SAID U-SHAPED VITREOUS PRODUCT.
Claim 2
Independent Claim
204 words
AN APPARATUS FOR THE MANUFACTURE OF U-SHAPED VITREOUS PRODUCTS WHICH CONSIST OF A MEDIAN SECTION AND OF TWO FLANGES LATERALLY ADJACENT TO AND MAKING SUBSTANTIALLY RIGHT ANGLES WITH THE MEDAIN SECTON, COMPRISING MEANS FOR CONTINUOUSLY ADVANCING A BAND OF MOLTEN VITREOUS MATERIAL IN A PREDETERMINED DIRECTION; SUPPORTING MEANS HAVING A CENTER PORTION IN A PLANE FOR SUPPORTING THE MEDIAN SECTION OF SAID BAND FROM ONE SIDE OF THE LATTER AND A PLURALTIY OF SIDE PORTIONS ON OPPOSITE SIDES OF SAID CENTER PORTION FOR SUPPORTING THE EDGE PORTIONS OF SAID BAND, SAID SIDE PORTIONS ON EACH SIDE BEING INCLINED TO SAID PLANE AND THE INCLINATION OF SAID SIDE PORTIONS SUCCESSIVELY INCREASING IN SAID DIRECTION; AND A PLURALITY OF INDEPENDENT STRAIGNT CYLINDRICAL SHAPING ROLLERS ARRANGED ALONG OPPOSITE SIDES OF SAID CENTER PORTION, SAID SHAPING ROLLERS HAVING RESPECTIVE AXES EXTENDING RESPECTIVELY IN PLANES NORMAL TO SAID DIRECTION AND PARALLEL TO THE RESPECTIVE INDLINED SIDE PORTIONS, SAID SHAPING ROLLERS ENGAGING SAID EDGE PORTIONS AT THE OTHER SIDE OF SAID BAND AND COOPERATING WITH SAID SIDE PORTIONS OF THE SUPPORTING MEANS FOR GRADUALLY DEFLECTING SAID EDGE PORTIONS FURING ADVANCING OF SAID BAND TO AN INCREASINGLY GREATER EXTENT UNTIL THE EDGE PORTIONS FORM THE FLANGES OF SAID U-SHAPED VITREOUS PRODUCT.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |