US3128215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for sealing a thermoplastic top to a tubular body
Assignee: Procter and Gamble Co
•
Filing: 1961-07-13
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Granted: 1964-04-07
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Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Charles R Hood
- 👤 Jean E Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:41
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/10; B29C57/00; B29C57/10; B29C65/106; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/61; B29C66/612; B29C66/63; B29C66/65; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29D; B29D23/00; B29D23/20; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C66/7234; B29L; B29L2023/00; B29L2023/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN THE PROCESS OF SEALING A PREMOLDED THERMOPLASTIC TOP HAVING A DEPENDING SKIRT PORTION TO A PERFORMED THERMOPLASTIC COATED TUBULAR BODY, THE STEPS WHICH COMPRISE POSITIONING SAID BODY AND TOP IN AXIAL ALIGNMENT AND SLIGHTLY AXIALLY SPACED RELATIONSHIP, ROTATING BOTH BODY AND TOP WHILE SIMULTANEOUSLY HEATING SELECTED SURFACES OF EACH UNTIL SAID SKIRT PORTION IS SOFTENED TO PLASTIC ADHESIVE CONSISTENCY, SAID SELECTED SURFACES COMPRISING PORTIONS OF SAID BODY AND TOP WHICH ARE TO BE SEALED TOGETHER, THEREAFTER EFFECTING RELATIVE AXIAL DISPLACEMENT OF SAID BODY AND TOP TO PLACE THEM IN SUBSTANTIALLY THE SAME RELATIVE POSITION DESIRED IN THE FINISHED ARTICLE WHEREIN THE DEPENDING SKIRT PORTION OF THE TOP IS TELESCOPED WITH THE ADJACENT END OF THE BODY, AND APPLYING INTERNAL PRESSURE TO THE INNER SKIRT PORTION OF THE TOP SO THAT IT CONTACTS THE INSIDE SURFACE OF THE UPPER END OF THE BODY WHILE CONCURRENTLY EMBRACING THE EXTERIOR PERIPHERY OF THE TELESCOPED TOP AND BODY UNTIL THE SAID SELECTED SURFACES ADHERE AND SOLIDIFY THEREBY TO COMPLETE A SEAL BETWEEN THE TELESCOPED PORTIONS OF THE BODY AND TOP.
Claim 2
Dependent Claim
177 words
IN THE PROCESS OF SEALING A PREMOLDED THERMOPLASTIC TOP HAVING A DEPENDING SKIRT PORTION TO A PERFORMED THERMOPLASTIC COATED TUBULAR BODY, THE STEPS WHICH COMPRISE POSITIONING SAID BODY AND TOP IN AXIAL ALIGNMENT AND SLIGHTLY AXIALLY SPACED RELATIONSHIP, ROTATING BOTH BODY AND TOP WHILE SIMULTANEOUSLY HEATING SELECTED SURFACES OF EACH UNTIL SAID SKIRT PORTION IS SOFTENED TO PLASTIC ADHESIVE CONSISTENCY, SAID SELECTED SURFACES COMPRISING PORTIONS OF SAID BODY AND TOP WHICH ARE TO BE SEALED TOGETHER, THEREAFTER EFFECTING RELATIVE AXIAL DISPLACEMENT OF SAID BODY AND TOP TO PLACE THEM IN SUBSTANTIALLY THE SAME RELATIVE POSITION DESIRED IN THE FINISHED ARTICLE WHEREIN THE DEPENDING SKIRT PORTION OF THE TOP IS TELESCOPED WITH THE ADJACENT END OF THE BODY, AND APPLYING INTERNAL PRESSURE TO THE INNER SKIRT PORTION OF THE TOP SO THAT IT CONTACTS THE INSIDE SURFACE OF THE UPPER END OF THE BODY WHILE CONCURRENTLY EMBRACING THE EXTERIOR PERIPHERY OF THE TELESCOPED TOP AND BODY UNTIL THE SAID SELECTED SURFACES ADHERE AND SOLIDIFY THEREBY TO COMPLETE A SEAL BETWEEN THE TELESCOPED PORTIONS OF THE BODY AND TOP.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |