Shock-resistant easily-openable vessel closure

Details Shock-resistant easily-openable vessel closure Shock-resistant easily-openable vessel closure

1983-11-21

1985-07-02

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220359, B65D 1750, B65D 4102

Patent

active

045262870

ABSTRACT:
Disclosed is an easily-openable vessel closure comprising a can end member having a preformed opening and an easily-tearable opening tab arranged on the outer side of the can end member to cover the opening and adhere closely to the peripheral portion of the can end member contiguous to the opening, wherein the opening of the can end member has such a size and shape that the opening is longer in the radial direction of the can end member, the opening extends from the inside of a circle concentric with the can end member, which has a diameter 0.35 time the seaming diameter of the can end member, to the point close to the outer periphery of the can end member and the portion defined by the contour of the opening and said circle involves a circle having a diameter of 5 mm, and wherein a thermoplastic resin coating having a -shaped section is formed on the cut edge of the opening of the can end member and the contiguous peripheral portion of the can end member and the opening tab is bonded to the can end member through said resin coating.

REFERENCES:
patent: 4397401 (1983-08-01), Ueno et al.

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