Patent US3593877A successfully refreshed from Google Patents.
US3593877A
Expired / Lapsed
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Pull tab mounting arrangement for easy opening can end
Assignee: Continental Can Co Inc
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Filing: 1969-09-29
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Granted: 1971-07-20
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Expires: 1989-09-29
Abstract
Abstract A pull tab mounting arrangement for an easy opening container of the type having a tear-out or removable panel portion defined by a score line. The pull tab includes a score line penetrating nose and is mounted for tilting movement on the removable panel portion about a rivet receiving attaching ear defined by a Ushaped lance. A dimple is formed in the removable panel portion and is disposed within opposing open end slots formed in the attaching ear and tab body on opposite sides of the lance whereby the dimple prevents rotation of the pull tab about the rivet so as to maintain the tab nose aligned with the score line.
Inventors
- 👤 Nick S Khoury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:40
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4011
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
144 words
An easy opening container comprising an end closure, a continuous weakening line formed in said end closure defining a removable panel portion, a pull tab having a forward portion including a weakening line severing nose and a finger grip portion rigidly connected to said forward poRtion, said forward portion having an attaching panel portion including a substantially U-shaped lance defining an attachment ear, attaching means fastening said attachment ear to said removable panel portion, so that said pull tab is tiltable about said attachment ear, a pair of opposing open ended slots formed on opposite sides of said lance in said attachment ear and said attachment panel, and a dimple formed in said removable panel and projecting into said opposing slots for preventing rotation of said pull tab about said attaching means and maintaining said weakening line severing nose aligned with said weakening line.
Claim 2
Dependent Claim
144 words
An easy opening container comprising an end closure, a continuous weakening line formed in said end closure defining a removable panel portion, a pull tab having a forward portion including a weakening line severing nose and a finger grip portion rigidly connected to said forward poRtion, said forward portion having an attaching panel portion including a substantially U-shaped lance defining an attachment ear, attaching means fastening said attachment ear to said removable panel portion, so that said pull tab is tiltable about said attachment ear, a pair of opposing open ended slots formed on opposite sides of said lance in said attachment ear and said attachment panel, and a dimple formed in said removable panel and projecting into said opposing slots for preventing rotation of said pull tab about said attaching means and maintaining said weakening line severing nose aligned with said weakening line.
Claim 3
Dependent Claim
20 words
The invention as defined in claim 1 wherein said fastening means comprising a rivet formed integral with said removal panel.
Claim 4
Dependent Claim
13 words
The invention as defined in claim 1 wherein said slots are generally semicircular.
References Cited (Backward Citations)
US3366270A
Cited
US3450300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |