Discrete strip taper

Details Discrete strip taper Discrete strip taper

1984-12-28

1989-01-17

Simmons, David

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

226 64, 226 67, 226 68, 271267, B32B 3100

Patent

active

047986492

ABSTRACT:
A feed mechanism for a tape applying machine in the semiconductor lead frame arts, especially suitable for discrete pieces of lead frame, in which pins are inserted into holes in the lead frame and advanced periodically. The pins are deliberately made smaller than the holes and moved in such a way as to always return to the center of the holes, well clear of the edges, before entering or withdrawing from the holes.

REFERENCES:
patent: 2449693 (1948-09-01), Fairbanks
patent: 2712771 (1955-07-01), Isom
patent: 3576429 (1971-04-01), Thauland
patent: 3892618 (1975-07-01), Griebat
patent: 4193834 (1980-03-01), Bernardi
patent: 4279682 (1981-07-01), Hamagami et al.

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