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US Patent: 2,460,468
Molding Machine for Plastics and Other Moldable Materials
Patentee:
William S. Renier (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI

USPTO Classifications:
425/550, 425/591, 425/593, 74/520

Tool Categories:
specialty machines : plastic molding machines

Assignees:
Giddings & Lewis Machine Tool Co. - Fond Du Lac, Fond Du Lac County, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 22, 1945
Granted: Feb. 01, 1949

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.
Description:
Claim:

The present invention relates to machines for molding or die casting plastics and other moldable materials, and has particular reference to improvements ,in machines of the type disclosed in my Patent No. 2,416,349, issued 25 February, 1947, in which a power actuator is operable through dual toggle mechanisms for causing opening and closing movements of a movable die plate relative to a second die plate supported on the machine frame, and is simultaneously operable to reciprocate an injection plunger in timed relation to said movements.

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