US PATENT SUBCLASS 264 / 228
FORMING STRESSED CONCRETE ARTICLES


Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

228FORMING STRESSED CONCRETE ARTICLES


DEFINITION

Classification: 264/228

(under the class definition) Processes wherein a composite concrete article is formed in which the concrete component is under compressive stress.

SEE OR SEARCH THIS CLASS, SUBCLASS:

31, for processes of forming stressed concrete during in situ formation of a structural installation.

SEE OR SEARCH CLASS

29, Metal Working,

446+, and especially subclass 452 for forming stressed concrete when the stressing element is applied to a self sustaining concrete body.

588, Hazardous or Toxic Waste Destruction or Containment, 257, for the use of concrete in the containment of hazardous or toxic waste.