US3674393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for applying liners of thermoplastic material to closure caps or the like
Assignee: Individual
•
Filing: 1970-07-23
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Granted: 1972-07-04
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Expires: 1990-07-23
Abstract
Abstract A DEVICE FOR FORMING INNER COATING OF THERMOPLASTIC MATERIAL IN SEALING CAPS HAS A SHAFT MOUNTED FOR ROTATION ABOUT A VERTICAL AXIS, A PLATFORM SECURED TO THE SHAFT, BEARERS FOR THE SEALING CAPS COAXIAL WITH THE SHAFT AND SLIDABLY MOUNTED IN THE PLATFORM, A PLATE FIXED TO THE SHAFT ABOVE THE PLATFORM, AND COMPRESSION PLUNGERS MOUNTED IN THE PLATE IN REGISTER WITH THE BEARERS, A SEALING CAP BEING PLACED ON A BEARERS CONCAVE SIDE UPWARDS AND CONTAINING A METERED, WARM AND CONSEQUENTLY PLASTICALLY DEFORMABLE PLASTIC COMPOSITION WHICH IS FORMED INTO AN INNER COATING IN THE SEALING CAP BY RELATIVE DISPLACEMENT BETWEEN THE COMPRESSION PLUNGER AND THE SEALING CAP BEARER.
Inventors
- 👤 Ettore Busi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:28
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/32; B29C43/34; B29C43/02; B29C43/04; B29C43/06; B29C43/08; B29C2043/3433; B29C43/36; B29C43/361; B29C2043/3615; B29C2043/3626; Y; Y10; Y10S; Y10S425/00; Y10S425/809
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |