Mold box apparatus

Details Mold box apparatus Mold box apparatus

1980-04-10

1981-06-23

Czaja, Donald E.

Plastic article or earthenware shaping or treating: apparatus

Female mold, pallet handling means and means to charge...

425359, 425413, 425414, 425452, A21C 300

Patent

active

042748240

ABSTRACT:
A mold box apparatus for casting cementitious building blocks having special channels formed in the sidewalls thereof in which thermally insulative foam is castable.

REFERENCES:
patent: 3128523 (1964-04-01), Benjey et al.
patent: 3669402 (1972-06-01), Paulson

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