Importance

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Abstract

A resin injection metal mold unit comprising, in combination, a metal mold consisting of a cavity section and a core section, and stationary and movable metal mold supporting members for releasably holding the metal mold sections in the opposing relationship. Each supporting member has a plurality of clamping members for engaging an associated mold section. Each clamping member has a clamping slant in the complementary relationship with the counter slant chamfer of the mold section. Such members are slidably attached to an associated supporting member so as to move close and apart from the mold section. When a mold section is fixed to an associated supporting member, the clamping members are brought in contact with the mold section with their clamping slants closely fitting the counter chamfer slants of the mold section, and then clamping members are fixed to the supporting member by driving associated bolts, thereby pushing and holding the mold section against the supporting member. When the mold section is removed from the supporting member, the clamping members are loosened and brought away from the mold section, thereby releasing the mold section.

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First Claim