Composite metallic type seal with spiral springs, and manufactur

Details Composite metallic type seal with spiral springs, and manufactur Composite metallic type seal with spiral springs, and manufactur

1998-06-19

2000-08-08

Knight, Anthony

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

277910, F16J 1528

Patent

active

060989890

ABSTRACT:
This invention relates to a sealing O-ring of the composite metallic type with a metallic torus-shaped hollow central body (31), and at least one metallic sheet (32) surrounding this metallic body. The central body (31) is composed of a sequence forming a spiral spring with an overlap and laid out along the circumferences of meridian circles of the torus, forming a spiral spring being side by side but not touching each other.

REFERENCES:
patent: 1490716 (1924-04-01), Schwennker
patent: 3111324 (1963-11-01), Wiltse
patent: 3406979 (1968-10-01), Weber
patent: 5358262 (1994-10-01), Roberts

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