AN APPARATUS FOR LOST FOAM CASTING OF A METAL USING VACUUM DURING SOLIDIFICATION AND AN IMPROVED METHOD FOR LOST FOAM CASTING OF A METAL USING THE APPARATUS

WIPO Patent Application WO/2023/238113

A1

An apparatus for lost foam casting of a metal preferably magnesium and an improved method for lost foam casting of a metal preferably magnesium using the apparatus is developed. Using of a multifunction protection door for the sand flask including a inlet valve connected to a neutral gas capsule and a negative pressure applying system with a suctioned gas purification ability along with a non-bonded sand compaction system cause to full-filled the mold and avoid oxidation of the molten magnesium and can solve the viscosity and fluidity problems of the magnesium through maintaining a vacuum condition caused from the negative pressure applying system with a suctioned gas purification ability along with creating a neutral condition, and using of the synergetic effect of the negative pressure applying system with a suctioned gas purification ability and a non-bonded sand compaction system including vibration table and air suction window.

MOSHAVER HAMID (IR)
MOUSAVI KHORASANI SEYED MOHAMMAD AMIN (IR)
MAHMOUDI MUHAMMAD (IR)
YAZDI JAVAD (IR)
EMAMI DOUST REZA (IR)

PCT/IB2023/058191

December 14, 2023

August 15, 2023

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MOSHAVER HAMID (IR)
MOUSAVI KHORASANI SEYED MOHAMMAD AMIN (IR)

B22C9/04; B22C1/06; B22C7/02; B22D18/04; B22D18/06

CN111719074A	2020-09-29
CN106734910A	2017-05-31

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