US PATENT SUBCLASS 264 / 228
FORMING STRESSED CONCRETE ARTICLES
Current as of:
June, 1999
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264 /
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PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
228
FORMING 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.