Method for manufacture of multi-color marking implements

Details Method for manufacture of multi-color marking implements Method for manufacture of multi-color marking implements

1986-04-15

1988-11-22

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Random variegated coloring during molding

264245, B29C 4122

Patent

active

047864494

ABSTRACT:
Disclosed are multi-color marking implements (i.e. crayons) having variegated color patterns, and a method and apparatus for their manufacture involving consecutively casting small amounts of molten crayon-like materials into suitably shaped molds at specific temperatures. The marking implements have a multiplicity of discretely-colored regions of random shape, randomly distributed in the implement. In addition, the marking implement may include a multiplicity of non-discretely colored regions resulting from a blending of colors from two discretely-colored regions. Optionally, the multi-color implement may be provided in a transparent lipstick type container that may serve as the mold in the casting process.

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