Method and apparatus for making molded photointerrupters

Details Method and apparatus for making molded photointerrupters Method and apparatus for making molded photointerrupters

1994-09-09

1996-04-23

Nguyen, Khanh P.

Plastic article or earthenware shaping or treating: apparatus

With direct application of magnetic force to manipulate...

264261, 264277, 425116, 425121, 425123, 4251261, 425588, B29C 4514

Patent

active

055097944

ABSTRACT:
An apparatus is provided for making molded photointerrupters by using first and second leadframes. The first leadframe carries a plurality of light emitting devices, whereas the second leadframe carries a plurality of light receiving devices. The apparatus includes a molding unit which includes: a lower mold member which supports the first leadframe in a horizontal posture; an upper mold member movable vertically toward and away from the lower mold member; and a pair of side mold members movable laterally toward and away from each other between the upper and lower mold members, one of the respective side mold members supporting the second leadframe in a horizontal posture; wherein the respective mold members forms molding cavities when the mold is closed.

REFERENCES:
patent: 3417193 (1986-12-01), Cole
patent: 3739438 (1973-06-01), Lambrecht
patent: 4540533 (1985-09-01), Sahakian
patent: 4812114 (1989-03-01), Kennon et al.
patent: 4872825 (1989-10-01), Ross
patent: 5297897 (1994-03-01), Venrooji et al.

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