Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1980-01-14
1981-10-27
Baldwin, Robert D.
Metal founding
Process
Shaping liquid metal against a forming surface
1642501, 164401, B22D 2900
Patent
active
042967945
ABSTRACT:
Apparatus for transmission of sonic energy to the processing of work wherein the sonic energy is transmitted through a vibratory member to a fixture having spaced abutment surfaces in which the clearance between one abutment surface and the adjacent surface of the work piece, while the work piece is at rest on the other abutment surface, is equal to .+-.50% of the amplitude of the vibrations at the point of attachment of the fixture to the vibration generator.
REFERENCES:
patent: 1762416 (1930-06-01), Pickop
patent: 1869112 (1932-07-01), Nichols
patent: 4229046 (1980-10-01), Gurries
Baldwin Robert D.
Lin K. Y.
Wheelabrator-Frye Inc.
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