Casting core for forming cast-in intersecting push rod passages

Details Casting core for forming cast-in intersecting push rod passages Casting core for forming cast-in intersecting push rod passages

1994-02-22

1995-08-29

Rosenbaum, Mark

Metal founding

Means to shape metallic material

United particle type shaping surface

164137, B22C 900

Patent

active

054452104

ABSTRACT:
A casting core 100a, 100b is fabricated entirely of decomposable refractory material such as foundry sand/binder and is formed with a plurality of push rod passage-forming portions (136a, 136b) for forming a corresponding plurality of push rod passages within a cylinder block (26) and a transverse intersecting oil gallery-forming portions (138a, 138b) for forming an associated long and narrow oil gallery within the cylinder block.

REFERENCES:
patent: 1524391 (1925-01-01), Durham
patent: 2858587 (1958-11-01), Leach
patent: 2895191 (1959-07-01), Sandenburgh
patent: 2991520 (1961-07-01), Dalton
patent: 3945429 (1976-03-01), Wahlqvist
patent: 4829642 (1989-05-01), Thomas et al.
patent: 4858670 (1989-08-01), Field

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