US PATENT SUBCLASS 164 / 100
.~.~.~.~ Including preconditioning preform

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

1  DF  PROCESS {6}
47  DF  .~ Shaping liquid metal against a forming surface {26}
91  DF  .~.~ Composite article forming {5}
98  DF  .~.~.~ Shaping metal and uniting to a preform {7}
100.~.~.~.~ Including preconditioning preform {2}
101  DF  .~.~.~.~.~> Chemical treatment {1}
103  DF  .~.~.~.~.~> Preheating {2}

DEFINITION

Classification: 164/100

(under subclass 98) Process which includes a step of treating a preform body prior to compositing.

(1) Note. A treatment step involves, e.g., cleaning the surface of the preform of foreign matter such as scale, oil, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

75, for process of coating of a workpiece before compositing.

SEE OR SEARCH CLASS

29, Metal Working,

458+, for processes of mechanically assembling and/or joining of previously coated parts. 228, Metal Fusion Bonding,

208+, for metallurgical bonding combined with application of a bond facilitating metal coating.

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

265, for process of preconditioning of a preform in nonmetallic compositing operations.

419, Powder Metallurgy Processes,

30+, for powder metallurgical processes for making products including sintering and also including significant pretreatment of the powder prior to compacting or sintering; and subclasses 62+ for similar processes not utilizing heat.