US PATENT SUBCLASS 427 / 134
.~ Sand mold

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

133  DF  MOLD COATING {2}
134.~ Sand mold

DEFINITION

Classification: 427/134

(under subclass 133) Processes wherein the shaping member is composed largely of sand.

(1) Note. Patents classified herein are generally concerned with molds used in casting metal.