Patent US3114929A successfully refreshed from Google Patents.
US3114929A
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Apparatus for the continuous biaxial stretching of a traveling sheet
Assignee: Bayer AG
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Filing: 1960-12-07
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Granted: 1963-12-24
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Expires: 1980-12-07
Abstract
No abstract record available.
Inventors
- 👤 Zygan Hieronymus
- 👤 Koch Otto
- 👤 Schnell Hermann
- 👤 Prietzschk Arthur
- 👤 Romling Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:42
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/16; B29C55/165; B29C67/00; B29C67/0011; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN APPARATUS FOR BIAXIALLY STRETCHING A CONTINUOUS TRAVELING WEB MATERIAL HAVING A MARGINAL REINFORCED THICKENED PORTION COMPRISING FEED ROLLERS AND OUTPUT ROLLERS DISPLACED FROM EACH OTHER IN THE DIRECTION OF TRAVEL OF SAID WEB, BETWEEN SAID FEED AND OUTPUT ROLLERS AND DISPOSED ON EITHER SIDE OF SAID TRAVELING WEB A PLURALITY OF HOLDING DEVICES EACH INCLUDING A DRIVING WHEEL WHICH ENGAGES SAID MARGINAL REINFORCED THICKENED PORTION OF SAID WEB MATERIAL AND A PAIR OF DRIVEN WHEELS WHICH OPERATE IN CONJUNCTION WITH SAID DRIVING WHEEL TO FIRMLY GRIP SAID REINFORCED THICKENED PORTION AND IMPART MOTION THERETO IN THE DIRECTION FROM SAID FEED ROLLERS TO SAID OUTPUT ROLLERS, MEANS FOR INDIVIDUALLY CONTROLLING THE PERIPHERAL SPEED OF EACH OF SAID DRIVING WHEELS AND MEANS FOR INDIVIDUALLY MOVING SAID HOLDING DEVICES TRANSVERSELY TO THE DIRECTION OF TRAVEL OF SAID WEB MATERIAL.
Claim 2
Independent Claim
137 words
AN APPARATUS FOR BIAXIALLY STRETCHING A CONTINUOUS TRAVELING WEB MATERIAL HAVING A MARGINAL REINFORCED THICKENED PORTION COMPRISING FEED ROLLERS AND OUTPUT ROLLERS DISPLACED FROM EACH OTHER IN THE DIRECTION OF TRAVEL OF SAID WEB, BETWEEN SAID FEED AND OUTPUT ROLLERS AND DISPOSED ON EITHER SIDE OF SAID TRAVELING WEB A PLURALITY OF HOLDING DEVICES EACH INCLUDING A DRIVING WHEEL WHICH ENGAGES SAID MARGINAL REINFORCED THICKENED PORTION OF SAID WEB MATERIAL AND A PAIR OF DRIVEN WHEELS WHICH OPERATE IN CONJUNCTION WITH SAID DRIVING WHEEL TO FIRMLY GRIP SAID REINFORCED THICKENED PORTION AND IMPART MOTION THERETO IN THE DIRECTION FROM SAID FEED ROLLERS TO SAID OUTPUT ROLLERS, MEANS FOR INDIVIDUALLY CONTROLLING THE PERIPHERAL SPEED OF EACH OF SAID DRIVING WHEELS AND MEANS FOR INDIVIDUALLY MOVING SAID HOLDING DEVICES TRANSVERSELY TO THE DIRECTION OF TRAVEL OF SAID WEB MATERIAL.
References Cited (Backward Citations)
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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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |