Container and method of and apparatus for notching the same

Details Container and method of and apparatus for notching the same Container and method of and apparatus for notching the same

1989-06-30

1992-08-25

Moy, Joseph Man-Fu

Receptacles

Closures

Removable closure retained by adhesive or fusion means

220453, B65D 4100

Patent

active

051411261

ABSTRACT:
A container, a method of an an apparatus for forming cuts in the container are disclosed. Weakening lines serving as cutting lines are formed on inside of the sealing portion and outside of the flange portion of the container, and a non-sealing region is formed at the position at which a part of the outer weakening line is included. These weakening lines can be formed by rotating the container and bringing the notching blades into contact with the flange portion.

REFERENCES:
patent: 4044941 (1977-08-01), Knudsen
patent: 4207989 (1980-06-01), Ingemann
patent: 4280653 (1981-07-01), Elias
patent: 4693390 (1987-09-01), Hekal
patent: 4759463 (1988-07-01), Mazoin
patent: 4801041 (1989-01-01), Takata et al.
patent: 4865217 (1989-09-01), Yoshimoto
patent: 4913307 (1990-04-01), Takata et al.

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