Deep-drawn conical plastic container and method of making

Details Deep-drawn conical plastic container and method of making Deep-drawn conical plastic container and method of making

1983-08-09

1985-11-05

Marcus, Stephen

Receptacles

Receptacle having flexible, removable inner liner

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

229 15B, B65D 9002, B65D 322

Patent

active

045508542

ABSTRACT:
During the deep drawing of a cup-shaped container from a plastic sheet, its wall is surrounded by a sleeve of cardboard material or the like which reinforces and insulates the container and can be used to carry decorations. The upper and lower edges of the sleeve are enclosed by radial protrusions of the plastic of the container so that they cannot come into contact with the moisture of a base surface. Positive engagement between sleeve and container is ensured and the sleeve supports the wall which can be made very thin.

REFERENCES:
patent: 1389594 (1921-09-01), Moore
patent: 1771765 (1930-07-01), Benson
patent: 2266828 (1941-12-01), Sykes
patent: 2721674 (1955-10-01), Lazard
patent: 3321070 (1967-05-01), Childs
patent: 3374922 (1968-03-01), Shelby
patent: 3443714 (1969-05-01), Edwards
patent: 3471075 (1969-10-01), Wolf
patent: 3722732 (1973-03-01), Edlund

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