Gas pressurized shock absorber assembly

Details Gas pressurized shock absorber assembly Gas pressurized shock absorber assembly

1984-05-14

1987-12-15

Spruill, Robert L.

Package making

Gas filling and/or evacuating of receptacle and closing

Including soldering means

53 79, 53312, 141329, B65B 3104

Patent

active

047123532

ABSTRACT:
A hydraulic shock absorber is formed as a sealed assembly and subsequently, at a desired time, an opening is non-contaminantly pierced in the outer shell and the shock absorber is pressurized by passing a pressurized fluid through the opening and the opening is then non-contaminantly sealed with a metal ball by welding to make the hydraulic shock absorber permanently gas pressurized. The shock absorber assembly, the method of making it and the apparatus for making it are disclosed in this specification.

REFERENCES:
patent: 1373275 (1921-03-01), Taylor
patent: 2101156 (1937-12-01), Payne
patent: 3081587 (1963-03-01), Heckethorn
patent: 3247640 (1966-04-01), Miles et al.
patent: 3601164 (1971-08-01), Bruce
patent: 4071057 (1978-01-01), Nagase
patent: 4114866 (1978-09-01), Kato
patent: 4131139 (1978-12-01), Tanabe
patent: 4262472 (1981-04-01), Soeda et al.
patent: 4446895 (1984-05-01), Kato

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