Process for reclaiming scraps of crayon

Details Process for reclaiming scraps of crayon Process for reclaiming scraps of crayon

1993-04-30

1994-09-13

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 73, 264330, 264DIG69, B29C 3500

Patent

active

053466560

ABSTRACT:
A new crayon is made by loading a charge of crayon scraps into a non-metallic cylindrical mold that is coated internally with a vegetable oil release agent. The loaded mold is then placed in a domestic microwave oven and the charge of crayon scraps is heated by microwave energy until the charge becomes a molten mass, The mass is cooled and thereby solidified and is then ejected as a solid mass from the mold through its open top by removing the bottom of the mold and applying an upwardly directed force to the bottom of the solid mass to move same upward,

REFERENCES:
patent: 303814 (1884-08-01), Cowdery
patent: 381810 (1888-04-01), Peck
patent: 383174 (1988-05-01), Fuchs
patent: 3166792 (1965-01-01), Goldfarb
patent: 4885108 (1989-12-01), Richter

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