Container

Details Container Container

1989-02-22

1990-03-20

Pollard, Steven M.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220453, 229 35MF, 428 359, B65D 134

Patent

active

049094114

ABSTRACT:
In a can-shaped container comprising: a container body including a cup-shaped container base with a flange at its opening, the container base being formed by using a plate-shaped multi-layer base material made up of an intermediate layer and thermally weldable resin layers formed on both sides of the intermediate layer in such a manner that wrinkles are formed in the cylindrical wall, and an injected resin layer formed on the outer surface of the container base by injection molding in such a manner that the injected resin layer extends from the outer periphery of the flange of the container base, thus forming an injected resin flange, the two flanges forming a lid sealing region; and a lid thermally welded to the lid sealing region of the container body; the outer periphery of the flange of the container base is located at least 1 mm inwardly away from the outer periphery of the injected resin flange, and the sealing strength of the flange of the container base with the lid is greater than the sealing strength of the injected resin flange with the lid, whereby the container will never is broken or blasted when dropped or subjected to retort sterilization, and the lid can be readily peeled off when necessary.

REFERENCES:
patent: 3298559 (1967-01-01), Lurie
patent: 4278716 (1981-07-01), Buchner et al.
patent: 4333601 (1982-06-01), Grimm
patent: 4616766 (1986-10-01), Miyauchi et al.
patent: 4766018 (1988-08-01), Hinrichsen et al.
patent: 4810541 (1989-03-01), Newman et al.

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