US4096962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring opener for hermetically sealed molded plastic containers
Assignee: General Electric Co
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Filing: 1977-08-01
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Granted: 1978-06-27
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Expires: 1997-08-01
Abstract
Abstract The disclosure is of a ring type opener for removing the cap portion of a hermetically sealed molded plastic container having an integrally molded cap portion. The opener includes a means for engaging and holding the cap during and after removal, in a plane parallel to the normal axis of the container so that it will lift evenly and remain within the ring opener following severance.
Inventors
- 👤 Arduino E. Riuli
- 👤 Bernard F. Kopacz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:02
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/02; B65D1/0223; B65D1/023; B65D1/0238; B65D17/00; B65D17/28; B65D17/34; Y; Y10; Y10S; Y10S215/00; Y10S215/901
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
131 words
A ring-type opener for a plastic container having an integrally molded, hermetically sealed, bulbous cap portion, which comprises; a cylindrical ring member open at first and second ends and having a bore therethrough communicating between the open ends; threads on the wall of said bore adjacent said first end, adapted to mate with threads on said plastic container immediately beneath said cap portion; retainer means attached to said cylindrical member and partially closing said second end; and chisel means mounted on the walls of said bore above said threads and extending towards said second open end at an angle so as to engage with the underside of said bulbous cap portion of the container when said cylindrical member is mounted thereon, said engagement being uniform on all sides of said cap.
Claim 2
Dependent Claim
131 words
A ring-type opener for a plastic container having an integrally molded, hermetically sealed, bulbous cap portion, which comprises; a cylindrical ring member open at first and second ends and having a bore therethrough communicating between the open ends; threads on the wall of said bore adjacent said first end, adapted to mate with threads on said plastic container immediately beneath said cap portion; retainer means attached to said cylindrical member and partially closing said second end; and chisel means mounted on the walls of said bore above said threads and extending towards said second open end at an angle so as to engage with the underside of said bulbous cap portion of the container when said cylindrical member is mounted thereon, said engagement being uniform on all sides of said cap.
Claim 3
Dependent Claim
13 words
An opener according to claim 1 wherein said retainer means comprises a strap.
Claim 4
Dependent Claim
14 words
The opener of claim 1 wherein said chisel means comprises an interrupted annular projection.
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) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |