Metal working – Method of mechanical manufacture – Work holding
Patent
1990-11-21
1992-03-17
Watson, Robert C.
Metal working
Method of mechanical manufacture
Work holding
269 21, B25B 1100
Patent
active
050956086
ABSTRACT:
A pellet accommodating and aligning jig which includes an upper portion having an upper face formed with a plurality of pellet accommodating recesses in it, and a lower portion having a lower face, with a first through-bore being formed between a bottom face of each of the pellet accommodating recesses and the lower face, the bottom face side of the first through-bore being set to be a vacuum exhaust inlet and the lower face side of it set to be a vacuum exhaust outlet, so as to attract pellets placed on the bottom faces of the pellet accommodating recesses, onto the bottom faces through evacuation from the vaccum exhaust inlet of the first through-bores towards the vacuum exhaust outlets. The pellets accommodating and aligning jig further includes a micromesh member formed with a plurality of independent second through-bores each having a diameter smaller than that of the first through-bore, and disposed at the side of the bottom faces of the pellet accommodating recesses.
REFERENCES:
patent: 3949295 (1976-04-01), Moorshead
patent: 4301999 (1981-11-01), Higgins et al.
patent: 4457840 (1984-07-01), Nagl
Rohm & Co., Ltd.
Watson Robert C.
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