US3131615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube winder and process
Assignee: Olin Corp
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Filing: 1963-02-15
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Granted: 1964-05-05
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
- 👤 Milton O Schur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:00
CPC Classifications
B; B31; B31C; B31C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF FORMING TUBULAR BODIES FROM SHEET MATERIAL COMPRISING THE STEPS OF INSERTING A SHEET INTO THE NIP BETWEEN A WINDING MANDREL AND A NIP ROLL, RELEASABLY SECURING AN EDGE OF SAID SHEET TO THE MANDREL FOR A PREDETERMINED INTERVAL OF TIME, AND ROTATING THE NIP ROLL AT A GREATER EFFECTIVE SURFACE SPEED THAN THE MANDREL DURING THE WINDING OF THE FIRST CONVOLUTION OF MATERIAL ABOUT THE MANDREL SO THAT THE FIRST CONVOLUTION IS LOOPED SLIGHTLY ABOUT THE MANDREL AND READILY REMOVABLE THEREFROM.
Claim 2
Independent Claim
84 words
A METHOD OF FORMING TUBULAR BODIES FROM SHEET MATERIAL COMPRISING THE STEPS OF INSERTING A SHEET INTO THE NIP BETWEEN A WINDING MANDREL AND A NIP ROLL, RELEASABLY SECURING AN EDGE OF SAID SHEET TO THE MANDREL FOR A PREDETERMINED INTERVAL OF TIME, AND ROTATING THE NIP ROLL AT A GREATER EFFECTIVE SURFACE SPEED THAN THE MANDREL DURING THE WINDING OF THE FIRST CONVOLUTION OF MATERIAL ABOUT THE MANDREL SO THAT THE FIRST CONVOLUTION IS LOOPED SLIGHTLY ABOUT THE MANDREL AND READILY REMOVABLE THEREFROM.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |