Plastic profiled sealing element for household refrigeration app

Details Plastic profiled sealing element for household refrigeration app Plastic profiled sealing element for household refrigeration app

1984-07-23

1986-02-18

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277212FB, F16J 1500

Patent

active

045709483

ABSTRACT:
A plastic profiled sealing element for household refrigeration appliances, such as freezers, refrigerators, freezer chests, freezer compartments, etc., includes a sealing bellows having a hose-shaped cross section. The sealing bellows is provided with two side walls and a covering wall and is made of a plastic which has been set by means of a softener so as to be continuously flexible. Further, the profiled sealing element is provided with an anchor member made of a plastic of the same or different material hardness, with the sealing bellows and the anchor member being connected with one another to form a unit. The cross sections of the two side walls of the sealing bellows narrow as the side walls rise from the region of the connection of the side walls with the covering wall of the anchor member to approximately half the height of the sealing bellows, so that the side walls become increasingly thinner. Thereafter, the cross sections of the side walls increase again to the edges of the covering wall of the sealing bellows until the side walls again reach approximately their initial cross sections. The side walls, on the one hand, and the covering wall, on the other hand, are kept flexible by means of softeners having different characteristics.

REFERENCES:
patent: 2607966 (1952-08-01), Beck
patent: 3308727 (1967-05-01), Hurt

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