C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
148/13
C23C 22/78 (2006.01)
Patent
CA 1284930
Abstract of the Disclosure An improved process for preparing a metal surface for cold forming comprises shot blasting the surface with fine particles of zinc or zinc alloy followed by conventional phosphatizing and application of a lubricant coating. This process is particularly useful for metals not susceptible to phosphatizing under normal conditions.
509291
Kanda Masanori
Kawakami Takashi
Nagae Yoshio
Kanda Masanori
Kawakami Takashi
Nagae Yoshio
Nihon Parkerizing Co. Ltd.
Swabey Ogilvy Renault
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