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US3061886A
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Method for producing a form-retaining roll of extensible tape
Assignee: International Business Machines Corp
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Filing: 1960-08-12
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Granted: 1962-11-06
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Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Seager Donald William
- 👤 Perry Alwyn Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:32
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C53/00; B29C53/32; B29C65/00; B29C65/48; B29C71/00; B29C71/02; B29C2793/00; B29C65/4805; B29C65/481; B29C65/4815; B29C66/00; B29C66/70; B29C66/71; B29L; B29L2007/00; B29L2007/007; Y; Y10; Y10T; Y10T428/00; Y10T428/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF PRODUCING FORM-RETAINING ROLLS OF EXTENSIBLE TAPE HAVING SUBSTANTIAL DEMENSIONAL STABILITY UNDER AMBIENT TEMPERATURES WITHIN THE RANGE OF ABOUT 90* F. TO 140*F. INCLUDING, PROVIDING A WIDE TAPE INTERMEDIATE COMPRISING A THERMOPLASTIC FILM HAVING A COATING ON ONE FACE THEREOF, HEATING SAID INTERMEDIATE FOR A PERIOD OF NOT LESS THAN 20 HOURS AND AT A TEMPERATURE OF NOT LESS THAN 90*F. TO CAUSE THE SAME TO RELAX AND TO ASSUME A SAG, AND WINDING THE RALAXED INTERMEDIATE UNDER TENSION AND AT A PREDETERMINED TEMPERATURE WHILE UNDER SAID TENSION THEREBY TO FORM A ROLL OF TAPE CHARACTERIZED BY ITS DIMENSIONAL STABILITY UNDER SAID AMBIENT TEMPERATURES.
Claim 2
Independent Claim
106 words
THE METHOD OF PRODUCING FORM-RETAINING ROLLS OF EXTENSIBLE TAPE HAVING SUBSTANTIAL DEMENSIONAL STABILITY UNDER AMBIENT TEMPERATURES WITHIN THE RANGE OF ABOUT 90* F. TO 140*F. INCLUDING, PROVIDING A WIDE TAPE INTERMEDIATE COMPRISING A THERMOPLASTIC FILM HAVING A COATING ON ONE FACE THEREOF, HEATING SAID INTERMEDIATE FOR A PERIOD OF NOT LESS THAN 20 HOURS AND AT A TEMPERATURE OF NOT LESS THAN 90*F. TO CAUSE THE SAME TO RELAX AND TO ASSUME A SAG, AND WINDING THE RALAXED INTERMEDIATE UNDER TENSION AND AT A PREDETERMINED TEMPERATURE WHILE UNDER SAID TENSION THEREBY TO FORM A ROLL OF TAPE CHARACTERIZED BY ITS DIMENSIONAL STABILITY UNDER SAID AMBIENT TEMPERATURES.
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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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |