Cutlery – Can opener – Including punch
Patent
1981-08-10
1982-11-09
Yost, Frank T.
Cutlery
Can opener
Including punch
B67B 724
Patent
active
043577539
ABSTRACT:
The present invention provides a piercing and cutting apparatus adapted to penetrate flexible lids such as those found on coffee cups and the like. The apparatus comprises a locater portion for locating the apparatus in position on the lid and a piercing member moveable with respect to the locater portion. The piercing member comprises a rigid shaft having a solid lower end and a cutting member projecting downwardly from the lower end of the rigid shaft. The cutting member includes a piercing tip and a plurality of cutting blades which are adapted to distribute pressure over the lid to provide a flap in the lid which is then folded downwardly by the solid lower end of the shaft.
REFERENCES:
patent: 1315339 (1919-09-01), Schwartzberg
patent: 2338592 (1944-01-01), Lorenzen
patent: 2584047 (1952-01-01), Phillips
patent: 2595653 (1952-05-01), Fuller
patent: 2637898 (1953-05-01), Pontillo
patent: 2639500 (1953-05-01), Gillespie, Jr.
patent: 2692427 (1954-10-01), Dettman
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