US3037529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated tube structure and method
Assignee: ALBIN M HANCIK
•
Filing: 1959-10-19
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Granted: 1962-06-05
•
Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Albin M Hancik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; B29C61/00; B29C61/06; B29C61/0608; B29C61/0616; B29C65/00; B29C65/66; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/114; B29C66/1142; B29C66/13; B29C66/135; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/4329; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/61; B29C66/612; B29C66/70; B29C66/71; B29C66/712; B29C66/73; B29C66/737; B29C66/7371; B29C66/73711; B29C66/73715; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C69/00; B29C69/001; B29C69/002; F; F16; F16L; F16L9/00; F16L9/16; B29C2793/00; B29L; B29L2009/00; Y; Y10; Y10S; Y10S138/00; Y10S138/07; Y10S174/00; Y10S174/08; Y10S273/00; Y10S273/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AS A NEW ARTICLE OF MANUFACTURE, A TUBE COMPRISING A PLURALITY OF SPIRALLY-WOUND LAYERS OF FLEXIBLE RESINOUS MATERIAL, EACH LAYER COMPRISING A LAMINATE OF A FIRST PLASTIC MATERIAL CHARACTERIZED BY BEING THERMALLY ORIENTED AND HAVING A HIGH REORIENTATION TEMPERATURE, A SECOND PLASTIC MATERIAL HAVING A MELTING POINT LOWER THAN SAID REORIENTATION TEMPERATURE, SAID LAYERS BEING ARRANGED WITH WSAID SECOND PLASTIC MATERIAL IN FACE-TO-FACE, UNITED RELATION, SAID TUBE BEIGN HEAT-SHRINKABLE WHEREBY AN END OF SAID TUBE IS HEAT-CONSTRICTED RADIALLY INWARDLY, SAID SECOND PLASTIC MATERIAL CIRCUMFERENTIALLY BONDING SAID FIRST MATERIAL AT SAID END CONCENTRICALLY WITH RESPECT TO THE AXIS OF SAID TUBE, THEREBY PREVENTING DELAMINATION OF SIAD LAYERS.
Claim 2
Dependent Claim
106 words
AS A NEW ARTICLE OF MANUFACTURE, A TUBE COMPRISING A PLURALITY OF SPIRALLY-WOUND LAYERS OF FLEXIBLE RESINOUS MATERIAL, EACH LAYER COMPRISING A LAMINATE OF A FIRST PLASTIC MATERIAL CHARACTERIZED BY BEING THERMALLY ORIENTED AND HAVING A HIGH REORIENTATION TEMPERATURE, A SECOND PLASTIC MATERIAL HAVING A MELTING POINT LOWER THAN SAID REORIENTATION TEMPERATURE, SAID LAYERS BEING ARRANGED WITH WSAID SECOND PLASTIC MATERIAL IN FACE-TO-FACE, UNITED RELATION, SAID TUBE BEIGN HEAT-SHRINKABLE WHEREBY AN END OF SAID TUBE IS HEAT-CONSTRICTED RADIALLY INWARDLY, SAID SECOND PLASTIC MATERIAL CIRCUMFERENTIALLY BONDING SAID FIRST MATERIAL AT SAID END CONCENTRICALLY WITH RESPECT TO THE AXIS OF SAID TUBE, THEREBY PREVENTING DELAMINATION OF SIAD LAYERS.
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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) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |