US3186142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously closing thermoplastic containers by heat sealing with thermoplastic covers
Assignee: Bebo Plastik GmbH and Co Kg
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Filing: 1961-04-07
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Granted: 1965-06-01
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Expires: 1981-04-07
Abstract
No abstract record available.
Inventors
- 👤 Borgardt Detta
- 👤 Muller Gerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:17
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8351; B29C66/83531; B29C66/83533; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/13; B29C66/131; B29C66/1312; B29C66/50; B29C66/51; B29C66/54; B29C66/542; B29C66/545; B29C66/81; B29C66/814; B29C66/8145; B29C66/81457; B29C66/816; B29C66/8161; B29C66/818; B29C66/8181; B29C66/8341; B29C66/83421; B29C66/83423; B65; B65B; B65B51/00; B65B51/10; B65B51/18; B29C65/242; B29C66/70; B29C66/71; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/0608; B29K2023/0633; B29K2023/10; B29K2023/12; B29K2025/00; B29K2027/00; B29K2027/06; B29K2101/00; B29K2101/12; B29L; B29L2031/00; B29L2031/712
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN APPARATUS FOR CONTINUOUSLY CLOSING THERMOPLASTIC CONTAINERS BY WELDING ONTO THE CONTAINER A THERMOPLASTIC COVER ADAPTED TO THE SHAPE OF THE CONTAINER WHICH COMPRISES A DRIVEN HORIZONTAL ENDLESS CONVEYOR, A PLURALITY OF SPACED PLATES DISPOSED AND SUPPORTED ON SAID CONVEYOR, OPENINGS IN SAID PLATES IN WHICH THE CONTAINERS ARE SUSPENDED, A HORIZONTAL DRIVEN ENDLESS METAL BAND WHICH TRAVELS ABOVE SAID CONVEYOR IN THE SAME DIRECTION AS THE CONVEYOR, A HEATING UNIT DISPOSED BETWEEN THE UPPER AND THE LOWER PATH OF THE METAL BAND FOR HEATING THE PORTION OF THE METAL BAND AS IT TRAVELS, A COOLING UNIT ALSO DISPOSED BETWEEN THE UPPER AND LOWER PATH OF THE METAL BAND AT A POINT IN THE BAND TRAVEL BEYOND SAID HEATING UNIT FOR COOLING A PORTION OF THE TRAVELING BAND, AND A SPRINGMOUNTED SUPPORTING DEVICE DISPOSED BENEATH THE UPPER PART OF THE PLATE CONVEYOR TO URGE SAID PLATE CONVEYOR UPWARDLY WHEREBY THE CONTAINER AND COVER ARE IN TURN URGED AGAINST BOTH THE HEATED AND COOLED PORTION OF SAID BAND.
Claim 2
Independent Claim
167 words
AN APPARATUS FOR CONTINUOUSLY CLOSING THERMOPLASTIC CONTAINERS BY WELDING ONTO THE CONTAINER A THERMOPLASTIC COVER ADAPTED TO THE SHAPE OF THE CONTAINER WHICH COMPRISES A DRIVEN HORIZONTAL ENDLESS CONVEYOR, A PLURALITY OF SPACED PLATES DISPOSED AND SUPPORTED ON SAID CONVEYOR, OPENINGS IN SAID PLATES IN WHICH THE CONTAINERS ARE SUSPENDED, A HORIZONTAL DRIVEN ENDLESS METAL BAND WHICH TRAVELS ABOVE SAID CONVEYOR IN THE SAME DIRECTION AS THE CONVEYOR, A HEATING UNIT DISPOSED BETWEEN THE UPPER AND THE LOWER PATH OF THE METAL BAND FOR HEATING THE PORTION OF THE METAL BAND AS IT TRAVELS, A COOLING UNIT ALSO DISPOSED BETWEEN THE UPPER AND LOWER PATH OF THE METAL BAND AT A POINT IN THE BAND TRAVEL BEYOND SAID HEATING UNIT FOR COOLING A PORTION OF THE TRAVELING BAND, AND A SPRINGMOUNTED SUPPORTING DEVICE DISPOSED BENEATH THE UPPER PART OF THE PLATE CONVEYOR TO URGE SAID PLATE CONVEYOR UPWARDLY WHEREBY THE CONTAINER AND COVER ARE IN TURN URGED AGAINST BOTH THE HEATED AND COOLED PORTION OF SAID BAND.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |