Metal founding – Process – Shaping a forming surface
Patent
1979-03-12
1981-07-14
Spruill, R. L.
Metal founding
Process
Shaping a forming surface
164183, 164186, 164228, 164234, B22C 1312, B22C 1710
Patent
active
042781230
ABSTRACT:
A foundry core making machine is disclosed which produces large or fragile cores. The core is initially made in two parts, which are later adhered together by movement between first and second stations. The separate core halves are made in third and fourth stations and then relatively moved to be in the first and second stations, vertically one above the other, and with flat surfaces facing each other. The core box booking means is utilized to move the lower core half upwardly against the upper core half to have the two adhere together. This same booking means was previously used to press vent grooves in one core half so that when the two core halves were assembled, a generally centrally extending core venting aperture was established. The core box ejection means then ejects the completed core from one core box in a carefully controlled movement.
The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
patent: 1571442 (1926-02-01), Wahlgren et al.
patent: 2624084 (1953-01-01), Row
patent: 4158381 (1979-06-01), Michelso n
Goss Harold R.
Rebish Edward J.
Acme-Cleveland Corporation
Hampilos Gus T.
Spruill R. L.
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