Patent US3751542A successfully refreshed from Google Patents.
US3751542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orientation of tubing for a continuous process for making blow molded containers
Assignee: Metal Box Enterprises Inc
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Filing: 1971-11-09
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Granted: 1973-08-07
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Expires: 1991-11-09
Abstract
Abstract THE TIME LAPSE BETWEEN INITIATION OF ORIENTATION OF A CONTINUOUS PLASTIC TUBING AND BLOWING A CONTAINER THEREFROM IN A CONTINUOUS PROCESS FOR MAKING BLOW MOLDED CONTAINERS IS REDUCED BY HAVING ONE MOLD MOVING AWAY FROM AN OVEN TO DRAW A GIVEN LENGTH OF TUBING FROM THE OVEN AND THEN CLAMPING THE TUBING AT A LOCATION ADJACENT THE OVEN AND LETTING CONTINUED MOVEMENT OF THE MOLD AWAY FROM THE OVEN ORIENT THE GIVEN LENGTH OF TUBING. ANOTHER MOLD CLOSES ON THE ORIENTED LENGTH OF TUBING AND A CONTAINER IS FORMED THEREIN.
Inventors
- 👤 J Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:49
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/08; B29C49/10; B29C49/14; B29C49/02; B29C49/04; B29C49/28; B29C49/30; B29C49/32; B29C49/34
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |