Apparatus and methods for injecting and gassing of sand

Details Apparatus and methods for injecting and gassing of sand Apparatus and methods for injecting and gassing of sand

1996-06-28

1998-08-04

Batten, Jr., J. Reed

Metal founding

Process

Shaping a forming surface

164 21, 164186, 164201, B22C 910, B22C 912, B22C 1524

Patent

active

057879575

ABSTRACT:
The injection tube for injecting and gassing of foundry sand in cavities in a core box has a first passage for passing sand and a second passage for passing hardening fluid. Sand may be injected simultaneously to the introduction of hardening fluid into the cavities. Alternatively, sand may be injected prior to introduction of hardening fluid into the cavities.

REFERENCES:
patent: 2899724 (1959-08-01), Peterson
patent: 2911691 (1959-11-01), Peterson
patent: 4390056 (1983-06-01), Grove et al.
patent: 4809763 (1989-03-01), Schilling
patent: 4836269 (1989-06-01), Bellis et al.
patent: 5038845 (1991-08-01), Kluge
patent: 5355929 (1994-10-01), Sorensen

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