Apparatus for forming a hardboard picture puzzle including multi

Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece

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29416, B23P 1700

Patent

active

06141851&

ABSTRACT:
A method and apparatus for forming a hardboard picture puzzle having multiple puzzle pieces without the use of a "start hole" and with the use of a die for cutting the picture puzzle about its perimeter and using a band saw to cut individual pieces forming said picture puzzle.

REFERENCES:
patent: 3715795 (1973-02-01), Greenberg et al.
patent: 3964750 (1976-06-01), Brown

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