Core-blowing machine for preparing moulds and foundry cores

Details Core-blowing machine for preparing moulds and foundry cores Core-blowing machine for preparing moulds and foundry cores

1976-04-30

1977-09-27

Shore, Ronald J.

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

B22C 1524

Patent

active

040505049

ABSTRACT:
In a core-blowing machine, the improvement consisting in that the inner wall of the ramming frame has a plastics material coating, the latter having a protrusion in its top edge area. This protrusion abuts the sandslinger head. Wear of the ramming frame is drastically reduced and a better air venting of the flask is ensured.

REFERENCES:
patent: 2654924 (1953-10-01), Wood et al.
patent: 3212141 (1965-10-01), Hansberg
patent: 3807483 (1974-04-01), Buhler
patent: RE28735 (1976-03-01), Lund et al.

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