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US Patent: 4,819,555
Hydraulic press with adjustable platen spacing
Patentees:
Leon Malashenko (exact or similar names) - Toronto, ON Canada
Ronald Ballantyne (exact or similar names) - Burlington, ON Canada

USPTO Classifications:
100/214, 100/257, 403/337, 425/406, 72/446

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: Jul. 08, 1987
Granted: Apr. 11, 1989

Patent Pictures:
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Google Patents
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Vintage Machinery entry for John T. Hepburn, Ltd.
Description:
"A hydraulic press is adapted to permit adjustment of the clearance between upper and lower platens and to permit the press to be divided into distinct upper and lower sections for purposes of transport..."

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