Patent US4433792A successfully refreshed from Google Patents.
US4433792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opening and stopper device
Assignee: Individual
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Filing: 1982-09-29
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Granted: 1984-02-28
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Expires: 2002-09-29
Abstract
Abstract An integral opening and recapping device incorporated in the top of conventional aluminium top container constructed with an opening tab pivotally mounted to a pivot rivet centrally located on the container top, the tab having a detent edge engageable with a scored aperture flap for forced displacement of the flap to form an aperture, the tab having further a lever portion for operating the detent edge, the underside of the lever portion forming a sealing lip which on pivoting of the tab about the rivet, is engageable with the aperture to hermetically seal the container.
Inventors
- 👤 George Mandel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:19
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4012; B65D17/4014; B65D2517/00; B65D2517/0001; B65D2517/001; B65D2517/0014; B65D2517/0031; B65D2517/0032; B65D2517/0034; B65D2517/0058; B65D2517/0059; B65D2517/0061
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
182 words
In a container having a aluminium top with a tab opening mechanism engaging a scored flap in said top for forming a contents dispensing aperture, the improvement comprising; a resealing means on said tab opening machanism for hermetically resealing said aperture, wherein said tab mechanism includes a pivot element centrally connected to said aluminium top and a tab member having a finger lift portion and a detent edge, said tab member being pivotally connected to said pivot element between said finger left portion and said detent edge, said detent edge being directed at said scored flap for separating said flap from said aluminium top and depressing said flap into said container on lifting said lift portion and, wherein said resealing means comprises a stopper member incorporated on the underside of said lift portion of said tab member, said stopper member having a configuration complimentary to said aperture formed on opening said container said stopper member being inserted in said aperture by pivoting said tab member to locate said stopper member over said aperture and depressing said lift portion of said tab member.
Claim 2
Dependent Claim
182 words
In a container having a aluminium top with a tab opening mechanism engaging a scored flap in said top for forming a contents dispensing aperture, the improvement comprising; a resealing means on said tab opening machanism for hermetically resealing said aperture, wherein said tab mechanism includes a pivot element centrally connected to said aluminium top and a tab member having a finger lift portion and a detent edge, said tab member being pivotally connected to said pivot element between said finger left portion and said detent edge, said detent edge being directed at said scored flap for separating said flap from said aluminium top and depressing said flap into said container on lifting said lift portion and, wherein said resealing means comprises a stopper member incorporated on the underside of said lift portion of said tab member, said stopper member having a configuration complimentary to said aperture formed on opening said container said stopper member being inserted in said aperture by pivoting said tab member to locate said stopper member over said aperture and depressing said lift portion of said tab member.
Claim 3
Dependent Claim
42 words
The improved tab mechanism for aluminium top containers of claim 1, wherein said stopper member comprises a downwardly projecting sealing lip stamped into said lift position of said tab member, said sealing lip having an outer configuration conforming to said dispensing aperture.
Claim 4
Dependent Claim
25 words
The improved tab mechanism of claim 2, wherein said sealing lip includes an outer coated layer of deformable material for conforming to said dispensing aperture.
Claim 5
Dependent Claim
38 words
The improved tab mechanism of claim 1, wherein said stopper member comprises a projection element on the underside of said left portion of said tab, said projecting element being engageable with said dispensing aperture to seal said container.
Claim 6
Dependent Claim
19 words
The improved tab mechanism of claim 4, wherein said projecting element is deformable for conforming to said dispensing aperture.
Claim 7
Dependent Claim
21 words
The improved tab mechanism of claim 4 wherein said projecting element has a deformable surface for conforming to said dispensing aperture.
Claim 8
Dependent Claim
27 words
The improved tab mechanism of claim 1 wherein said left portion of said tab member has an upwardly angled edge adapted for engagement by a user's fingers.
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) | 1987-02-27 | 1987-08-29 | 1988-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-27 | 1991-08-29 | 1992-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-27 | 1995-08-29 | 1996-02-28 | $7700.00 | Window Closed / Lapsed |