Process for the production of a cast piston upper part of a two-

Details Process for the production of a cast piston upper part of a two- Process for the production of a cast piston upper part of a two-

1987-12-23

1989-07-04

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

92172, B23P 1510

Patent

active

048436984

ABSTRACT:
A process for the production of a cast piston upper part of a two-part piston comprising the steps of casting a piston head and a ring section having a collar of tab-type segments, wherein the tab-type segments have tapered ends; and bending over the tab-type segments in the direction towards the middle of the piston to form a lower closure serving as an annular cooling oil space.

REFERENCES:
patent: 1770818 (1930-07-01), Summers
patent: 3538574 (1970-11-01), Toma et al.
patent: 4377967 (1983-03-01), Pelizzoni

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