Tube made of plastics material having a tearable cap, said tube

Details Tube made of plastics material having a tearable cap, said tube Tube made of plastics material having a tearable cap, said tube

1995-08-17

1996-12-24

Moy, Joseph M.

Bottles and jars

Closures

Frangible member or portion

2225416, B65D 4710

Patent

active

055866727

ABSTRACT:
The invention relates to a tube (1) of which the head (2) comprises an impermeable cap (5) which may be torn by twisting, characterized in that this cap has a lateral surface (5) of polygonal contour (6) inclined at less than 10.degree. to the axis (16) of the tube (1) and a tear zone (10) contained between the lateral surface (50) and an internal surface (11) of the cap (5) comprising at least one thin portion having a minimum thickness of 0.05 to 0.18 mm and at least one portion (9, 9') which is at least 1.5 times thicker.
The invention also relates to the tube (1) accompanied by a cover maintaining the integrity of the periphery of the cap and comprising a key fitting over the cap so as to tear it by twisting, and to its use in particular for storing and dispensing liquids in metered droplets. The tube is typically used for storing and dispensing medical or cosmetic liquids.

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patent: 5221029 (1993-06-01), Stull
patent: 5240155 (1993-08-01), Mueller et al.
patent: 5348183 (1994-09-01), Luch et al.

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