US3159695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for pneumatic formation of thermoplastic foils
Assignee: Individual
•
Filing: 1960-10-17
•
Granted: 1964-12-01
•
Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Behringer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:31
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/42; B29C51/421; B29C51/422; B29C51/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF PRODUCING CONTAINERS WHICH COMPRISES PROVIDING AN OPEN-ENDED CONTAINER, PLACING THE SAME ON AN INTERNAL MOLD SO THAT SAID OPEN END EXTENDS BEYOND THE END OF SAID INTERNAL MOLD, PROVIDING A FOIL OF THERMOPLASTIC MATERIAL CONTACTING SAID FOIL WITH A HEATED PLATE PRESSING SAID FOIL ONTO SAID HEATED PLATE TO CAUSE IT TO BEAR FLUSH AGAINST SAID HEATED PLATE AND TO ELIMINATE AIR BUBBLES THEREBETWEEN, THEREBY TO FIRST SOFTEN SAID FOIL, PLACING SAID FOIL OVER SAID OPEN END, AND THEN APPLYING PNEUMATIC PRESSURE ON SAID FOIL TO CAUSE IT TO ENTER SAID OPEN END AND ADHERE TO THE INNER WALL AND END OF SAID CONTAINER AND FORM A SELF-SUSTAINING END WALL CLOSURE FOR THE CONTAINER.
Claim 2
Independent Claim
117 words
A METHOD OF PRODUCING CONTAINERS WHICH COMPRISES PROVIDING AN OPEN-ENDED CONTAINER, PLACING THE SAME ON AN INTERNAL MOLD SO THAT SAID OPEN END EXTENDS BEYOND THE END OF SAID INTERNAL MOLD, PROVIDING A FOIL OF THERMOPLASTIC MATERIAL CONTACTING SAID FOIL WITH A HEATED PLATE PRESSING SAID FOIL ONTO SAID HEATED PLATE TO CAUSE IT TO BEAR FLUSH AGAINST SAID HEATED PLATE AND TO ELIMINATE AIR BUBBLES THEREBETWEEN, THEREBY TO FIRST SOFTEN SAID FOIL, PLACING SAID FOIL OVER SAID OPEN END, AND THEN APPLYING PNEUMATIC PRESSURE ON SAID FOIL TO CAUSE IT TO ENTER SAID OPEN END AND ADHERE TO THE INNER WALL AND END OF SAID CONTAINER AND FORM A SELF-SUSTAINING END WALL CLOSURE FOR THE CONTAINER.
References Cited (Backward Citations)
CA575802A
Cited
US892702A
Cited
US1876931A
Cited
US2210509A
Cited
US2328798A
Cited
US2531539A
Cited
US2702411A
Cited
GB741040A
Cited
US2926385A
Cited
GB784503A
Cited
US2878524A
Cited
US3019488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |