Method for shaping parts in one or more stacked board shaped ele

Details Method for shaping parts in one or more stacked board shaped ele Method for shaping parts in one or more stacked board shaped ele

1995-10-02

1997-12-02

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Utilizing transitory attached element or associated separate...

29412, 29825, 269 47, 269 53, 409225, B23P 1700

Patent

active

056922868

ABSTRACT:
A method of shaping printed circuit boards comprises the steps of providing a base plate, installing a board shaped element including the parts to be shaped on an upper surface of the base plate, fixing the base plate and board shaped element on a table of a machine tool with a lower surface of the base plate in contact with the table, drilling a hole through the board shaped element within the contour of each part to be shaped, the hole extending substantially as far as the lower surface, installing a pin in the hole, carrying out the shaping of the parts, and, machining the pin to partially or completely remove the pin.

REFERENCES:
patent: 2576786 (1951-11-01), Gray et al.
patent: 3015240 (1962-01-01), Hodnett
patent: 3942780 (1976-03-01), Clement
patent: 4801225 (1989-01-01), Morghen
patent: 4964766 (1990-10-01), Turchan et al.

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