Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1987-06-17
1989-04-25
Norton, Donald F.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215 31, 215344, 215DIG1, 264163, 264296, B65D 4106
Patent
active
048239674
ABSTRACT:
A cap for a container having a depending wall with a free end adapted to constantly urge engaging means of the cap and the container together upon engagement therebetween. Preferably, the free end of the cap has low hoop stress when axially compressed to provide spring means which perform the required function. In forming the cap, preferably one end is attached at the top wall of the cap, its other end is free to move relative to the cap and a substantial horizontal intermediate element is provided therebetween. In use, the free end has a bearing surface at or beyond the horizontal element thereof.
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Cryogenics (Jul. 1980)--M. Shinohara, T. Kugo, and K. Ono, Superleak--Ti ght Stainless Steel Hollow, O-Ring Seals for Cryogenic Use.
Norton Donald F.
Tri-Tech Systems International Inc.
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