US PATENT SUBCLASS 156 / 42
.~.~ With embedding of reinforcing material during or subsequent to core formation

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

Internet Version by PATENTEC © 1999      Terms of Use


156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
39  DF  .~ Plaster board making {6}
42.~.~ With embedding of reinforcing material during or subsequent to core formation

DEFINITION

Classification: 156/42

(under subclass 39) Processes which include the envelopment of an additional element by the core material which element imparts additional structural strength to the completed plasterboard.

(1) Note. The additional element may be fibers, rods, tubes or any other material which adds structural strength to the core material.

(2) Note. The reenforcing elements may be added during the formulation of the core material.