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US Patent: 4,759,280
Hydraulic press with adjustable platen clearance
Patentee:
Leon Malashenko (exact or similar names) - Toronto, ON Canada

USPTO Classifications:
100/214, 100/257, 425/193, 425/450.1, 425/451.2

Tool Categories:
metalworking machines : metalworking presses : hydraulic metalworking presses

Assignees:
John T. Hepburn, Ltd. - Mississauga, ON Canada

Manufacturer:
John T. Hepburn, Ltd. - Mississauga, ON Canada

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 29, 1986
Granted: Jul. 26, 1988

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for John T. Hepburn, Ltd.
Description:
"A hydraulic press has a frame including a crosshead formed with a vertical passage. A lower platen is fixed to the base of the frame, and an upper movable platen is located between the crosshead and lower platen. Light-duty hydraulic cylinders move the upper platen between an operating..."

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