Process for the production of molded synthetic resin article wit

Details Process for the production of molded synthetic resin article wit Process for the production of molded synthetic resin article wit

1998-09-01

2000-03-07

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Conveying or aligning particulate material

264 464, 264255, 264259, 2642711, 427466, 427469, B29C 4318, B29C 4406

Patent

active

060336161

ABSTRACT:
A process of producing a molded synthetic resin article with a powder embedded in a surface thereof to form a finished surface. The process includes brushing an inner wall of a mold at a desired area thereof with a brush carrying a powder to be embedded in the surface of the article. The brushing action simultaneously provides an electrostatic charge on the inner wall of the mold for attracting and holding the powder thereon, and deposits the powder in an evenly distributed manner onto the desired area. A synthetic resin is fed into the mold. The synthetic resin is molded such that the synthetic resin is pressed against the desired area of the inner wall of the mold, flowing around the powder held thereon such that the powder is at least partially embedded in the synthetic resin. The process provides a uniform non-strippable firm surface of the powder on a surface of the resulting article.

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