US3557520A
Expired / Lapsed
US
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Methods and apparatus for manufacturing dispensing devices
Assignee: Gillette Co LLC
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Filing: 1968-11-12
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Granted: 1971-01-26
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Expires: 1988-11-12
Abstract
Abstract APPARATUS FOR FILLING A POLYETHYLENE INNER CONTAINER AND SECURING THAT FILLED CONTAINER TO A VALVE ASSEMBLY INCLUDES A TURNTABLE HAVING THREE BOTTLE HOLDERS ON IT, WHICH HOLDERS ARE MOVABLE IN SEQUENCE PAST A FILLING STATION AND AN ASSEMBLY STATION. AT THE ASSEMBLY STATION THERE IS PROVIDED A HOLDER FOR A VALVE ASSEMBLY AND A HEATER WHICH IS MOVABLE BETWEEN THE BOTTLE AND THE VALVE ASSEMBLY TO APPROPRIATELY HEAT TWO OPPOSED SURFACES. THE HEATER IS THEN REMOVED AND THE TWO HEATED SURFACES ARE MOVED TOGETHER TO PROVIDE A SEAL WHICH FORMS A BEAD AS SOME OF THE PLASTIC MATERIAL IS DISPLACED RADIALLY DURING THE FILLING OPERATION.
Inventors
- 👤 John O'hare
- 👤 Lloyd Morton Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:20
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/90; B29C66/91; B29C66/912; B29C66/9121; B29C66/91231; B29C65/00; B29C65/02; B29C65/14; B29C65/1429; B29C65/1432; B29C65/1464; B29C65/1467; B29C65/18; B29C65/20; B29C65/24; B29C65/30; B29C65/305; B29C65/78; B29C65/7858; B29C65/7879; B29C65/7882; B29C65/7885; B29C65/80; B29C66/01; B29C66/03; B29C66/032; B29C66/0322; B29C66/05; B29C66/10; B29C66/13; B29C66/131; B29C66/1312; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/61; B29C66/612; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/818; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91423; B29C66/91431; B29C66/9161; B29C66/91641; B29C66/92; B29C66/924; B29C66/9261; B29C66/92651; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/2878; B29C66/71; B29C66/96; B29C66/961
Claims Analysis
Total Claims: 0
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |