Severing by tearing or breaking – Breaking or tearing apparatus – Combined with preliminary weakener or with nonbreaking cutter
Patent
1986-09-29
1988-09-06
Yost, Frank T.
Severing by tearing or breaking
Breaking or tearing apparatus
Combined with preliminary weakener or with nonbreaking cutter
301203, 30363, B26F 300
Patent
active
047686936
ABSTRACT:
A hand-operated canister opener tool, and method, for opening a frangible, plastic-walled, hollow canister (such as one containing a cryptographic, secret, military code) having two pivotally connected elements carrying a canister piercing member for piercing the canister to examine its contents before discard, and a canister receiving member surrounding the canister for safety during piercing for preventing ejection of shrapnel-like, sharp, plastic chips likely to cause bodily injury.
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Singer Donald J.
Yost Frank T.
Young Jack M.
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