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Low-pressure diecasting machine

  • US 4,076,070 A
  • Filed: 10/01/1975
  • Issued: 02/28/1978
  • Est. Priority Date: 10/09/1974
  • Status: Expired due to Term
First Claim
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1. An improved automatic low-pressure diecasting machine of the type having separable upper and lower mould portions wherein molten metal is forced by gaseous pressure into the casting cavity, the improvement comprising:

  • a plurality of feed inlets arranged substantially vertically through the bottom of said lower mould portion and opening into the casting cavity, anda separable heat-insulated distribution chamber formed of an upper and lower portion and being thermally insulated from said lower mould portion said distribution chamber having an inlet port and a plurality of outlet ports arranged to communicate with said feed inlets in said lower mould portion, said distribution chamber portions also having bosses extending therethrough to permit the mutual bearing engagement of said chamber portions, said bosses having bores axially aligned and extending therethrough, said bores communicating with an axially aligned bore in said lower mould portion and and ejector rod extending through said bores in said bosses and through said bore in said lower mould portion into said casting cavity for removing the casting from the cavity.

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