Patent US5410495A successfully refreshed from Google Patents.
Patent US3301734A successfully refreshed from Google Patents.
US3301734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming flexible, thin walled plastic tubing
Assignee: ConocoPhillips Co
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Filing: 1965-05-27
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Granted: 1967-01-31
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Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Philip S Britton
- 👤 Helmut P Fochler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:21
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; Y; Y10; Y10T; Y10T156/00; Y10T156/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A SYSTEM FOR PRODUCING A RELATIVELY THIN WALLED, HIGH STRENGTH TUBING PRODUCT, COMPRISING, A BASE, A ROTATABLE MANDREL MOUNTED ON SAID BASE, MOTIVE MEANS OPERABLY CONNECTED FOR ROTATING SAID MANDREL ABOUT ITS LONGITUDINAL AXIS, AND EXTRUSION MEANS DISPOSED ADJACENT SAID MANDREL FOR EXTRUDING A STRIP OF POLYMERIC MATERIAL ONTO THE ROTATING MANDREL AND ROTATABLE MEANS DISPOSED ADJACENT SAID MANDREL FOR MOVING SAID STRIP AXIALLY OF AND OFF SAID MANDREL, SAID ROTABLE MEANS INCLUDING AN ENDLESS, FLEXIBLE BELT DISPOSED FOR ENGAGEMENT WITH THE STRIP ON SAID ROTATING MANDREL, SUPPORT MEANS MOUNTING THE BELT ON SAID BASE FOR SELECTIVE ANGULAR DISPOSITION OF SAID BELT WITH RESPECT TO THE STRIP ON SAID ROTATING MANDREL IN A GENERALLY VERTICAL PLANE, EXTENDING GENERALLY PARALLEL TO THE ROTATIONAL AXIS OF SAID ROTATING MANDREL, AND ADJUSTABLE MOTOR MEANS OPERABLY CONNECTED FOR ROTATING SAID BELT, THEREBY TO MOVE SAID TUBING PRODUCT AXIALLY AT A DIFFERENT RATE FO SPEED THAN THAT OF THE AXIAL MOVEMENT IMPARTED TO SAID TUBING PRODUCT BY ROTATION OF SAID MANDREL.
Claim 2
Independent Claim
166 words
A SYSTEM FOR PRODUCING A RELATIVELY THIN WALLED, HIGH STRENGTH TUBING PRODUCT, COMPRISING, A BASE, A ROTATABLE MANDREL MOUNTED ON SAID BASE, MOTIVE MEANS OPERABLY CONNECTED FOR ROTATING SAID MANDREL ABOUT ITS LONGITUDINAL AXIS, AND EXTRUSION MEANS DISPOSED ADJACENT SAID MANDREL FOR EXTRUDING A STRIP OF POLYMERIC MATERIAL ONTO THE ROTATING MANDREL AND ROTATABLE MEANS DISPOSED ADJACENT SAID MANDREL FOR MOVING SAID STRIP AXIALLY OF AND OFF SAID MANDREL, SAID ROTABLE MEANS INCLUDING AN ENDLESS, FLEXIBLE BELT DISPOSED FOR ENGAGEMENT WITH THE STRIP ON SAID ROTATING MANDREL, SUPPORT MEANS MOUNTING THE BELT ON SAID BASE FOR SELECTIVE ANGULAR DISPOSITION OF SAID BELT WITH RESPECT TO THE STRIP ON SAID ROTATING MANDREL IN A GENERALLY VERTICAL PLANE, EXTENDING GENERALLY PARALLEL TO THE ROTATIONAL AXIS OF SAID ROTATING MANDREL, AND ADJUSTABLE MOTOR MEANS OPERABLY CONNECTED FOR ROTATING SAID BELT, THEREBY TO MOVE SAID TUBING PRODUCT AXIALLY AT A DIFFERENT RATE FO SPEED THAN THAT OF THE AXIAL MOVEMENT IMPARTED TO SAID TUBING PRODUCT BY ROTATION OF SAID MANDREL.
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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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |