Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Female mold type means
Patent
1977-09-09
1978-12-26
Lazarus, Richard B.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Female mold type means
425128, 100269R, B29C 300
Patent
active
041314034
ABSTRACT:
A portable hydraulic press for use in preparing metallurgical specimens, is disclosed herein, which requires relatively little force to operate and eliminates repumping during specimen preparation. The press includes a linkage assembly which connects an operating handle to a hydraulic jack in a manner such that both the mechanical advantage of the operating handle and ease of operation of the press is increased. In the embodiment shown, the press is constructed and arranged to provide ease of removal of the hydraulic jack without disassembling the entire press and includes a frame which stores energy.
REFERENCES:
patent: 584693 (1897-06-01), Marshall
patent: 2283593 (1942-05-01), Akins
patent: 3844534 (1974-10-01), Sessody
patent: 3999916 (1976-12-01), Hable et al.
Buehler Ltd.
Lazarus Richard B.
Pigott, Jr. Charles F.
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