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Nonmetallic Processes

Resin-sealing-apparatus

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Resin sealing apparatus

Details

Inventors: Tsutsumi, Yasutsugu; Tanaka, Sueyoshi; Morita, Yutaka;
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Woo; Jay H.
Assistant Examiner: Nguyen; Khanh P.
Attorney, Agent or Firm: Oblon, Spivak, McClelland, Maier & Neustadt

A resin sealing apparatus includes upper and lower dies each having a chase block with a plurality of cavities into which molten resin is injected and a supporting member for supporting the chase block, the chase blocks of the upper and lower dies being fitted to each other, and a position determining member attached to a center block so that the positions of the chase blocks are determined when they are assembled, wherein each of the chase blocks is attached to each of the supporting members so as to be movable in the vertical and lateral directions within given ranges. The center block is provided on the supporting member and is disposed between two of the chase block with center plates interposed therebetween to form an integral unit.

DETAILED DESCRIPTION It is an object of the present invention to provide a resin sealing apparatus having accurate position determining means between the chase blocks of the upper and lower dies.
The foregoing and other objects of the present invention have been attained by providing a resin sealing apparatus which comprises: upper and lower dies each having a chase block with a plurality of cavities into which molten resin is injected and a supporting member for supporting the chase block, the chase blocks of the upper and lower dies being fitted to each other, and a position determining member attached to each of the chase blocks so that the positions of the chase blocks are determined when they are assembled, wherein each of the chase blocks is attached to each of the supporting members so as to be movable.

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