Patent US3350188A successfully refreshed from Google Patents.
US3350188A
Expired / Lapsed
US
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Apparatus for forming ribbon with lateral force means
Assignee: PPG Industries Inc
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Filing: 1966-11-14
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Granted: 1967-10-31
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Marlin W Barrett
- 👤 Dean G Cramer
- 👤 Roger B Oltman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:12
CPC Classifications
C; C03; C03B; C03B25/00; C03B25/04; C03B25/06; C03B25/08; C03B13/00; C03B13/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN APPARATUS FOR CONTINUOUSLY FORMING A RIBBON OF GLASS COMPRISING, MEANS FOR SUPPORTING AND CONVEYING A CONTINUOUSLY FORMED RIBBON OF GLASS IN A SUBSTANTIALLY HORIZONTAL PLANE, SAID RIBBON OF GLASS HAVING SIDE EDGE SURFACES, MEANS FOR CONTINUOUSLY CONVEYING SAID RIBBON OF GLASS ALONG SAID SUPPORTING MEANS, MEANS FOR COOLING SAID CONTINUOUSLY FORMED RIBBON OF GLASS THROUGH THE ANNEALING RANGE OF SAID GLASS AS THE RIBBON IS CONVEYED ALONG SAID SUPPORTING MEANS, MEANS FOR APPLYING PRESSURE SIMULTANEUOSLY TO SAID RIBBON OF GLASS AT ALIGNED, OPPOSITELY DISPOSED LOCATIONS IN THE EDGE SURFACES THEREOF ALONG A LINE LYING IN A PLANE OF SAID RIBBON OF GLASS, MEANS FOR MOVABLY SUPPORTING SAID PRESSURE APPLYING MEANS FOR SIMULTANEOUS MOVEMENT TOWARD AND AWAY FROM SAID EDGE SURFACES. SAID PRESSURE APPLYING MEANS BEING ADAPTED TO EXERT SUFFICIENT FORCE TO SAID EDGE SURFACES TO PREVENT OUTWARD LATERAL MOVEMENNT THEREOF, WHEREBY A SPLIT FORMED AND EXTENDING LONGITUDINALLY IN SAID RIBBON OF GLASS IS NOT PERMITTED TO ADVANCE.
Claim 2
Independent Claim
158 words
AN APPARATUS FOR CONTINUOUSLY FORMING A RIBBON OF GLASS COMPRISING, MEANS FOR SUPPORTING AND CONVEYING A CONTINUOUSLY FORMED RIBBON OF GLASS IN A SUBSTANTIALLY HORIZONTAL PLANE, SAID RIBBON OF GLASS HAVING SIDE EDGE SURFACES, MEANS FOR CONTINUOUSLY CONVEYING SAID RIBBON OF GLASS ALONG SAID SUPPORTING MEANS, MEANS FOR COOLING SAID CONTINUOUSLY FORMED RIBBON OF GLASS THROUGH THE ANNEALING RANGE OF SAID GLASS AS THE RIBBON IS CONVEYED ALONG SAID SUPPORTING MEANS, MEANS FOR APPLYING PRESSURE SIMULTANEUOSLY TO SAID RIBBON OF GLASS AT ALIGNED, OPPOSITELY DISPOSED LOCATIONS IN THE EDGE SURFACES THEREOF ALONG A LINE LYING IN A PLANE OF SAID RIBBON OF GLASS, MEANS FOR MOVABLY SUPPORTING SAID PRESSURE APPLYING MEANS FOR SIMULTANEOUS MOVEMENT TOWARD AND AWAY FROM SAID EDGE SURFACES. SAID PRESSURE APPLYING MEANS BEING ADAPTED TO EXERT SUFFICIENT FORCE TO SAID EDGE SURFACES TO PREVENT OUTWARD LATERAL MOVEMENNT THEREOF, WHEREBY A SPLIT FORMED AND EXTENDING LONGITUDINALLY IN SAID RIBBON OF GLASS IS NOT PERMITTED TO ADVANCE.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |