Apparatus for kerfing gypsum wallboard

Details Apparatus for kerfing gypsum wallboard Apparatus for kerfing gypsum wallboard

1977-02-23

1978-08-08

Meister, J. M.

Cutting

Processes

Cutting of interdigitating products

144 82, 144136R, B26D 306

Patent

active

041049381

ABSTRACT:
Disclosed is a gypsum wallboard panel having kerfing in opposing edges thereof which extends substantially the length of the edges but terminates prior to the corners of the panel a distance sufficient to prevent weakening of the corners of the panels.

REFERENCES:
patent: 1044904 (1912-11-01), Nelson
patent: 2153307 (1939-04-01), Jansen
patent: 2203447 (1940-06-01), Stavenhow
patent: 3060980 (1962-10-01), Cook

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