Piston and method of manufacture

Details Piston and method of manufacture Piston and method of manufacture

1992-04-23

1994-08-02

Look, Edward K.

Expansible chamber devices

With lubricating means

Portion of expansible chamber device includes solid...

2988848, F01B 3110, B23P 1510

Patent

active

053335368

ABSTRACT:
A piston and method of manufacture is disclosed wherein a low friction plastic material D is sprayed upon a molded cylindrical metallic member, having a single intermediate annular groove C, forming a coating having wear surfaces A and B on each side of the groove, and a sealing ring E carried in the annular groove.

REFERENCES:
patent: 2961278 (1960-11-01), Newhall
patent: 3272132 (1966-09-01), Stoelting et al.
patent: 3474710 (1969-10-01), Stryker
patent: 3617349 (1971-11-01), Prasse
patent: 4337687 (1982-07-01), Hoover
patent: 4376472 (1983-03-01), Heyer et al.
patent: 4428276 (1984-01-01), Loveless
patent: 4519119 (1985-05-01), Nakayama et al.
Sietzinger, Ronald C. "Coatings That Cut Friction ." in Machine Design vol. 48, No. 24 Oct. 21, 1976, pp. 114-119.

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