US3746608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped article of synthetic resin having mechanically disordered orientation
Assignee: Nitto Boseki Co Ltd
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Filing: 1971-09-17
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Granted: 1973-07-17
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Expires: 1991-09-17
Abstract
Abstract A STRAPPING BAND HAVING IMPROVED RESISTANCE OF SPLITTING IS PRODUCED BY MELT EXTRUSION OF A THERMOPLASTIC SYNTHETIC RESIN FOLLOWED BY STRETCHING WHEREBY THE BAND IS ORIENTED IN THE LONGITUDINAL DIRECTION AND GIVEN STRENGTH IN THAT DIRECTION, FOLLOWED BY SUBJECTING THUS ORIENTED BAND TO COMPRESSION BY ROLLERS HAVING INDENTATIONS ON THEIR SURFACE TO FORM A MULTITUDE OF INDENTATIONS THROUGHOUT THE SURFACE OF THE BAND, WHEREBY THE ORIENTATION IS PARTIALLY DISORDED AND THE STRENGGTH OF THE BAND IN THE AXIS PERPENDICULAR TO THE EXTRUSION AXIS GREATLY IMPROVED.
Inventors
- 👤 M Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:19
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/18; B29C55/04; B29C55/06; B29C67/00; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24587; Y10T428/24595; Y10T428/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |