US3122072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube former insert
Assignee: Unisys Corp
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Filing: 1963-03-15
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Granted: 1964-02-25
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Expires: 1983-03-15
Abstract
No abstract record available.
Inventors
- 👤 Claude E Monsees
- 👤 Christor P Tong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:16
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/10; B65B9/20; B65B9/22; B29; B29C; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A TUBE FORMER HAVING A COLLAR-LIKE GUIDE PORTION AND A GENERALLY TUBULAR PORTION JOINED THERETO ALONG A JUNCTION EDGE EXTENDING GENERALLY OBLIQUE TO THE AXIS OF SAID TUBE: THE COMBINATION COMPRISING; A HOLLOW TUBULAR MANDREL EXTENDING DOWNWARDLY WITHIN AND SPACED SLIGHTLY INWARDLY FROM SAID TUBULAR PORTION, SAID MANDREL EXTENDING AT LEAST UP TO SAID JUNCTION EDGE; A FLANGE-LIKE PORTION EXTENDING GENERALLY LATERALLY FROM SAID MANDREL AND BEING SHAPED TO CONFORM SUBSTANTIALLY TO THE UPPER SURFACE OF SAID COLLAR-LIKE GUIDE PORTION TO OVERLIE THE SAME WHEREBY TO SLIDABLY REST ON A WEB OF SHEET MATERIAL MOVING THEREOVER AND POSITIVELY AND SMOOTHLY GUIDE SAID SHEET MATERIAL OVER SAID JUNCTION EDGE AND ABOUT SAID MANDREL PORTION AND TO HOLD SAID MANDREL AGAINST DOWNWARD MOVEMENT IN SAID TUBULAR PORTION WHILE LEAVING THE SAME FREE FOR LATERAL FLOATING MOVEMENT IN AT LEAST ONE DIRECTION.
Claim 2
Dependent Claim
140 words
IN A TUBE FORMER HAVING A COLLAR-LIKE GUIDE PORTION AND A GENERALLY TUBULAR PORTION JOINED THERETO ALONG A JUNCTION EDGE EXTENDING GENERALLY OBLIQUE TO THE AXIS OF SAID TUBE: THE COMBINATION COMPRISING; A HOLLOW TUBULAR MANDREL EXTENDING DOWNWARDLY WITHIN AND SPACED SLIGHTLY INWARDLY FROM SAID TUBULAR PORTION, SAID MANDREL EXTENDING AT LEAST UP TO SAID JUNCTION EDGE; A FLANGE-LIKE PORTION EXTENDING GENERALLY LATERALLY FROM SAID MANDREL AND BEING SHAPED TO CONFORM SUBSTANTIALLY TO THE UPPER SURFACE OF SAID COLLAR-LIKE GUIDE PORTION TO OVERLIE THE SAME WHEREBY TO SLIDABLY REST ON A WEB OF SHEET MATERIAL MOVING THEREOVER AND POSITIVELY AND SMOOTHLY GUIDE SAID SHEET MATERIAL OVER SAID JUNCTION EDGE AND ABOUT SAID MANDREL PORTION AND TO HOLD SAID MANDREL AGAINST DOWNWARD MOVEMENT IN SAID TUBULAR PORTION WHILE LEAVING THE SAME FREE FOR LATERAL FLOATING MOVEMENT IN AT LEAST ONE DIRECTION.
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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |