Method of manufacturing a vacuum booster housing

Details Method of manufacturing a vacuum booster housing Method of manufacturing a vacuum booster housing

1981-12-14

1983-10-11

Ramsey, Kenneth J.

Electric heating

Metal heating

For bonding with pressure

228140, 228190, 411171, B23K 1114

Patent

active

044094604

ABSTRACT:
An improved method of manufacturing a vacuum booster housing for use in a brake system of an automotive vehicle where the brake master cylinder is secured to an annular wall portion of the body of the booster housing by means of bolts passing through holes in the annular wall portion. The method comprises forming annular projections on the seating faces of the heads of the bolts coaxial with the bolt shafts and on the inside surfaces of the annular wall portion coaxial with the holes, disposing a reinforcing plate between and in contact with the annular projections, and simultaneously projection welding the reinforcing plate to the inside surface of the annular wall portion and the seating face of the bolt head to the reinforcing plate.

REFERENCES:
patent: 1190208 (1916-07-01), Williams
patent: 2321201 (1943-06-01), Heilman
patent: 2903562 (1959-09-01), Emmons et al.
patent: 3020987 (1962-02-01), Schavrte

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