Pouring spout having a frangible seal

Details Pouring spout having a frangible seal Pouring spout having a frangible seal

1994-09-27

1996-10-15

Kashnikow, Andres

Dispensing

With lock or fastening seal

Single-use fastening seal

2225415, 2225416, 215232, 215252, 215258, B67D 533

Patent

active

055646034

ABSTRACT:
The invention relates to an opening arrangement of the type which consists of a pouring spout (3) formed from a thermoplastic material sheet (1) and surrounded by an outer closure portion (2). The outer closure portion (2) is sealed partly to the upper wall (4) of the pouring spout (3) and partly to a portion of the material sheet (1) surrounding the pouring spout (3). The outer closure portion (2) is provided with a failure impression (7) placed circularly around the outer closure portion (2) when this is sealed to the material sheet (1).

REFERENCES:
patent: 4813578 (1989-03-01), Gordon et al.
patent: 4892217 (1990-01-01), Shastal
patent: 5125529 (1992-06-01), Torterot
patent: 5199618 (1993-04-01), Reil et al.
patent: 5265745 (1993-11-01), Pereyra et al.
patent: 5372284 (1994-12-01), Mock

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