A - Human Necessities – 47 – B
Patent
A - Human Necessities
47
B
20/93, 312/82.7
A47B 96/00 (2006.01) E06B 3/26 (2006.01) F16B 12/26 (2006.01)
Patent
CA 1164919
ABSTRACT A body, in particular hollow body, is made up from individual ele- ments having groove and tongue connections formed in the area of the connect- ing surfaces. The tongues have flanks which converge away from the tongue base. The grooves are constructed in a manner corresponding to the tongues. The flanks of the tongues and/or grooves have recesses into which projecting ribs of said grooves and/or tongues are received and retained releasably or lockably.
355484
Schaefer Rudolf
Fetherstonhaugh & Co.
Schaefer Rudolf
LandOfFree
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