Can opener apparatus for pull-ring containers

Details Can opener apparatus for pull-ring containers Can opener apparatus for pull-ring containers

1998-01-20

1999-06-22

Scherbel, David A.

Tools

Receptacle closure remover

Levering or prying type

81 307, B67B 716

Patent

active

059139536

ABSTRACT:
A device for opening sealed cans of the type using a pull-ring to initiate the opening of the lid. The device consists of a cylindrical hollow tube having a handle on one end. On the end of the device opposite the handle, there is a flattened portion of the tube which is made to slip under the pull-ring for initial raising of the pull-ring from the container lid. In the approximate transverse center of the hollow tube, there are two oblong openings that run longitudinally along the surface of the tube. Proximate to the oblong openings, there is an inwardly protruding rivet-like structure. In use, one of the oblong openings, depending upon the hand preference, is placed over the pull-ring until the cylindrical body of the tool comes to rest on the rim of the container. As the opener is then rotated along the rim of the container, the oblong opening begins to bind upon the pull-ring. At the same time, the eye of the pull-ring slips over the end of the inwardly protruding structure which secures the pull-ring within the body of the opener. With continued rotation of the opener, the oblong opening binds more tightly upon the pull-ring causing an upward pulling and tearing of the container lid from the container top.

REFERENCES:
patent: D303613 (1989-09-01), Carmody
patent: D304414 (1989-11-01), Ely
patent: 1368038 (1921-02-01), Larsen
patent: 1461151 (1923-07-01), Keeler
patent: 2624489 (1953-01-01), Wishart
patent: 4391167 (1983-07-01), Bergmeister
patent: 4416171 (1983-11-01), Chmela et al.
patent: 4520695 (1985-06-01), Sugiyama
patent: 4745829 (1988-05-01), VanHoutte et al.
patent: 5095777 (1992-03-01), Osmar et al.
patent: 5205194 (1993-04-01), Rodey
patent: 5277083 (1994-01-01), Madonia

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