Method of making improved spring seal

Details Method of making improved spring seal Method of making improved spring seal

1978-12-07

1981-04-14

Hall, Carl E.

Metal deforming

With cutting

Severing a discrete piece from stock, work, or product

29173, 72368, 72415, B21F 3500, B23P 1300

Patent

active

042611920

ABSTRACT:
A spring having an enlarged diameter base mountable in the heel of a seal casing to enable flared arms extending forwardly from the base to freely exert by cantilever action an outwardly directed spring bias against the casing while the spring is retained by its base in the casing. A method of making a continuous spring from a single strip of metal to form opposing flared arms extending from an enlarged concave base.

REFERENCES:
patent: 2115441 (1938-04-01), Black
patent: 2126473 (1938-08-01), Keller
patent: 3281156 (1966-10-01), Mayhew et al.
patent: 3346264 (1967-10-01), Hamm
patent: 3837631 (1974-09-01), Evans et al.
patent: 4109598 (1978-08-01), Kucher

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