US PATENT SUBCLASS 164 / 202
.~.~.~ Including foraminous blow discharge means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


164 /   HD   METAL FOUNDING

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
169  DF  .~ Including means for compacting particulate fluent mold materials {12}
200  DF  .~.~ Blow type compactor {2}
202.~.~.~ Including foraminous blow discharge means

DEFINITION

Classification: 164/202

(under subclass 200) Apparatus combined with a perforated element to (1) distribute the gaseous pressure medium or (2) distribute the mold forming material just prior to contact with the shaping surface.