US PATENT SUBCLASS 65 / 191
.~.~ With internal core or centering means

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

Internet Version by PATENTEC © 1999      Terms of Use


65 /   HD   GLASS MANUFACTURING

187  DF  MEANS DRAWING TUBE OR ROD STOCK FROM BATH {1}
188  DF  .~ Drawing vertically upward {4}
191.~.~ With internal core or centering means

DEFINITION

Classification: 65/191

(under subclass 188) Apparatus including means located within a tube being drawn to control the shape of, or the surface of the internal wall of the tube, or means to center the tube during drawing.