US3564655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container molding apparatus
Assignee: Miller Mold Co
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Filing: 1968-03-22
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Granted: 1971-02-23
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Expires: 1988-03-22
Abstract
Abstract A METHOD AND APPARATUS FOR MOLDING SIMULTANEOUSLY A PLURALITY OF THIN WALL CONTAINERS FROM AN ELONGATED STRIP OF THERMOPLASTIC MATERIAL WHICH IS ADVANCED FROM A MOLDING STATION TO A CUTTING STATION AT WHICH SUCCESSIVE GROUPS OF CONTAINERS ARE MOLDED. AT THE REAR OF EACH GROUP OF CAVITIES THE MOLD HAS MEANS FOR PLEATING THE THERMOPLASTIC SHEET FOR THE PURPOSE OF ENABLING THE PLEAT TO ABSORB ENTILE FORCES GENERATED IN THE SHEET UPON THE MOLDING OF AN IMMEDIATELY SUCCEEDING SET OF CONTAINERS, THEREBY AVOIDING THE IMPOSITION OF BENDING OR BOWING FORCES ON THE END WALLS OF THE PREVIOUSLY MOLDED CONTAINERS.
Inventors
- 👤 Richard W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:32
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |