Patent US3126580A successfully refreshed from Google Patents.
US3126580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously deforming thermoplastic foils
Assignee: Rheinmetall Industrie AG
•
Filing: 1961-07-25
•
Granted: 1964-03-31
•
Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Paschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:49
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C51/00; B29C51/18; B29C51/20; B29C51/22; B29C51/225; B29C59/00; B29C59/02; B29C59/06; Y; Y10; Y10T; Y10T156/00; Y10T156/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
APPARATUS FOR CONTINUOUSLY DEFORMING, BACKING AND THE LIKE TREATMENT OF THERMOPLASTIC FOILS, COMPRISING A ROTATING HOLLOW CYLINDER ADAPTED TO BE EVACUATED INTERNALLY AND PERFORATED WITH OPENINGS AT THE PERIPHERY AND HAVING AT LEAST ONE INTERCHANGEABLE MOULD DISPOSED THEREON, A PAIR OF SPACED ROLLS OVER WHICH THE FOIL IS GUIDED TO AND FROM THE MOULD, AND AN INTERNALLY ARRANGED SEAL SEALING THE OPENINGS IN THE HOLLOW CYLINDER WHICH ARE FREE FROM THE MOULD APPROXIMATELY BETWEEN THE ROLLS AT ANY GIVEN TIME FROM THE INSIDE, THE SEAL CONSISTING OF AN ELASTIC INFLATABLE BODY CAPABLE OF CHANGING ITS SHAPE WHEN INFLATED.
Claim 2
Dependent Claim
98 words
APPARATUS FOR CONTINUOUSLY DEFORMING, BACKING AND THE LIKE TREATMENT OF THERMOPLASTIC FOILS, COMPRISING A ROTATING HOLLOW CYLINDER ADAPTED TO BE EVACUATED INTERNALLY AND PERFORATED WITH OPENINGS AT THE PERIPHERY AND HAVING AT LEAST ONE INTERCHANGEABLE MOULD DISPOSED THEREON, A PAIR OF SPACED ROLLS OVER WHICH THE FOIL IS GUIDED TO AND FROM THE MOULD, AND AN INTERNALLY ARRANGED SEAL SEALING THE OPENINGS IN THE HOLLOW CYLINDER WHICH ARE FREE FROM THE MOULD APPROXIMATELY BETWEEN THE ROLLS AT ANY GIVEN TIME FROM THE INSIDE, THE SEAL CONSISTING OF AN ELASTIC INFLATABLE BODY CAPABLE OF CHANGING ITS SHAPE WHEN INFLATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |