Patent US2736056A successfully refreshed from Google Patents.
US2736056A
Expired / Lapsed
US
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Method and apparatus for forming plastic
Assignee: —
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Filing: —
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Granted: 1956-02-28
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Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:12
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/16; B29C31/00; B29C35/02; B29C35/08; B29C48/00; B29C48/25; B29C48/355; B29C35/0805; B29C2035/0822; B29C48/001; B29C48/0018; B29C48/0019; B29C48/0023; B29C48/03; B29C48/07; B29C48/08; B29C48/16; B29C48/17; Y; Y10; Y10S; Y10S425/00; Y10S425/002; Y10S425/019
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
IN COMBINATION, A PLASTIC CONTAINING TANK, MEANS FOR HEATING THE CONTENTS OF THE TANK, MEANS FOR APPLYING GAS PRESSURE TO THE CONTENTS OF THE TANK, SAID TANK HAVING AN APERTURE FOR THE EXIT OF THE PLASTIC MATERIAL, AND MEANS FOR DIRECTING, SUPPORTING AND HARDENING THE PLASTIC MATERIAL IN THE FORM OF A CONTINUOUS LENGTH FILM AS IT MOVES FROM THE CONTAINER COMPRISING A PLURALITY OF GAS JETS ARRANGED LONGITUDINALLY OF SAID FILM, AT LEAST ONE OF SAID JETS BEING ARRANGED TO DIRECT GAS AGAINST SAID FILM AT AN ANGLE THERETO TO DETERMINE THE DIRECTION OF THE FILM AND AT LEAST ONE OR MORE OF THE OTHER JETS BEING ARRANGED TO ASSIST IN MOVING THE FILM WHILE BEING SUPPORTED UPON A GAS WHEREBY ANY MECHANICAL CONTACT WITH THE FILM AFTER EXTRUSION IS ELIMINATED UNTIL IT HARDENS.
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |