Patent US3156010A successfully refreshed from Google Patents.
US3156010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slit seal and multiple tube gusseter
Assignee: Millennium Petrochemicals Inc
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Filing: 1963-05-10
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Granted: 1964-11-10
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Expires: 1983-05-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul Victor Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C48/00; B29C48/001; B29C48/0022; B29C65/74; B29C65/743; B29C65/7433; B29C65/7439; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/432; B29C66/4322; B29C66/80; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/836; B29C2793/00; B29C2793/0063; B29C48/0018; B29C48/0019; B29C48/03; B29C48/09; B29C48/10; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/137; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A SLIT SEAL GUSSETER COMPRISING, IN COMBINATION; MEANS FOR EXTRUDING A TUBULAR WEB OF THERMOPLASTIC MATERIAL, NIP ROLL MEANS FOR FLATTENING SAID TUBE, SLITTING AND SEALING MEANS FOR SLITTING CENTRAL PORTIONS OF SAID WEB AND SEALING THE ENDS OF EACH SLIT HALF TOGETHER TO FORM TWO PARALLEL TUBULAR WEBS; ADJUSTABLE ROLLER MEANS FOR CAUSING SAID TWO TUBULAR WEBS TO DIVERGE FROM ONE ANOTHER; SAID ADJUSTABLE ROLLER MEANS INCLUDING A FIRST AND SECOND ROLLER; AT LEAST ONE OF SAID FIRST AND SECOND ROLLERS BEING ANGULARLY ROTATABLE BETWEEN A FIRST AND SECOND ADJUSTMENT POSITION; SAID FIRST AND SECOND ROLLERS BEING COAXIAL WITH ONE ANOTHER AND HAVING THEIR ENDS IN SUBSTANTIALLY ABUTTING RELATION WHEN SAID AT LEAST ONE OF SAID ROLLERS IS IN ITS SAID FIRST ADJUSTMENT POSITION; THE
Claim 2
Dependent Claim
126 words
A SLIT SEAL GUSSETER COMPRISING, IN COMBINATION; MEANS FOR EXTRUDING A TUBULAR WEB OF THERMOPLASTIC MATERIAL, NIP ROLL MEANS FOR FLATTENING SAID TUBE, SLITTING AND SEALING MEANS FOR SLITTING CENTRAL PORTIONS OF SAID WEB AND SEALING THE ENDS OF EACH SLIT HALF TOGETHER TO FORM TWO PARALLEL TUBULAR WEBS; ADJUSTABLE ROLLER MEANS FOR CAUSING SAID TWO TUBULAR WEBS TO DIVERGE FROM ONE ANOTHER; SAID ADJUSTABLE ROLLER MEANS INCLUDING A FIRST AND SECOND ROLLER; AT LEAST ONE OF SAID FIRST AND SECOND ROLLERS BEING ANGULARLY ROTATABLE BETWEEN A FIRST AND SECOND ADJUSTMENT POSITION; SAID FIRST AND SECOND ROLLERS BEING COAXIAL WITH ONE ANOTHER AND HAVING THEIR ENDS IN SUBSTANTIALLY ABUTTING RELATION WHEN SAID AT LEAST ONE OF SAID ROLLERS IS IN ITS SAID FIRST ADJUSTMENT POSITION; THE
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |