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APPARATUS FOR INTRODUCING GAS INTO LIQUID METAL

  • US 3,799,522 A
  • Filed: 10/06/1972
  • Issued: 03/26/1974
  • Est. Priority Date: 10/08/1971
  • Status: Expired due to Term
First Claim
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2. Apparatus for introducing gas into liquid metal comprising a hollow member moulded in a single piece from silicon carbide bonded with a binding material selected from the group consisting of the oxides and silicates of zirconium, titanium and aluminium, the member having a tubular stem portion made substantially gas impermeable and a diffusing portion in communication with the stem portion and extending at an angle thereto of between 45* and 135*.

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