Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Opposed registering coacting female molds
Patent
1993-01-21
1994-04-12
Nguyen, Khanh
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Opposed registering coacting female molds
425121, 4251291, 425544, 425588, 425DIG228, 26427217, B29C 4502, B29C 4514, B29C 4532
Patent
active
053021010
ABSTRACT:
A mold for resin-packaging electronic components on a pair of leadframes includes an upper mold member and a lower mold member. The mold has two parallel rows of molding cavities, and a row of resin supplying portions arranged between the respective cavity rows. The respective molding cavities have corresponding corner portions formed with injection ports which communicate with the respective resin supplying portions through runners. The respective cavity rows together with the leadframes received in the mold are displaced relative to each other longitudinally thereof by a predetermined amount.
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patent: 5158780 (1992-10-01), Schraven et al.
Eilberg William H.
Nguyen Khanh
Rohm & Co., Ltd.
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