Process for applying a heat-barrier layer to a piston crown

Details Process for applying a heat-barrier layer to a piston crown Process for applying a heat-barrier layer to a piston crown

1980-01-25

1982-01-26

Crane, Daniel C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

264267, 92212, B23P 1510

Patent

active

043121063

ABSTRACT:
The piston of a piston-type machine has on its surface a heat-barrier layer of plastic material which is cast into a recess formed in the piston crown. A pouring means formlockingly enclosing the upper edge is put on the piston, held in a vertical position, to permit the recess to be overfilled with the material. The pouring means is removed after the material has hardened. Due to the shrinkage of material when the material hardens, the material and the upper edge form a flat surface on the piston.

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