US3570064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus having a flexible clamp plate
Assignee: Kimberly Clark Tissue Co
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Filing: 1968-08-13
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Granted: 1971-03-16
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Expires: 1988-08-13
Abstract
Abstract MOLDING APPARATUS HAVING A FLEXIBLE CLAMP PLATE WHICH IS RESILIENTLY MOUNTED OPPOSITE ONE SURFACE OF A MOLD HAVING A PLURALITY OF MOLD CAVITIES AND SUPPORTED AT A PLURALITY OF CLOSELY SPACED POINTS. THE FLEXIBLE CLAMP PLATE IS ARRANGED FOR RELATIVE MOVEMENT TOWARD AND AWAY FROM THE MOLD SO AS TO PRESS A WEB OF MOLDABLE MATEIAL AGAINST A CLAMPING SURFACE ABOUT THE PERIPHERY OF EACH OF THE MOLD CAVITIES BETWEEN INTERMITTENT ADVANCING MOVEMENT OF THE WEB OF MOLDABLE MATERIAL BETWEEN THE MOLD AND THE CLAMP PLATE.
Inventors
- 👤 Hans De Groot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:25
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/261; B29C51/262; B29C51/04; B29C51/10
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |