C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/45
C10B 25/16 (2006.01)
Patent
CA 1173778
Abstract of the Disclosure A closure for a heated chamber, specifically a coke oven door, such as a Koppers or Wilputte door, is provided with a secondary sealing means consisting of a substance that is applied to the mating surfaces and expands upon being heated. The substance may comprise an intumescent mixture of sodium silicate and glass.
348349
Evans Joseph M.
Hirons & Rogers
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