Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern
Patent
1991-09-30
1993-06-01
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
Utilizing surface to be reproduced as an impression pattern
264220, 264257, 264338, B29C 3340
Patent
active
052156990
ABSTRACT:
A rigid, durable construction material is described along with a method for making the material. The material is particularly characterized by having a specific, textured surface which can resemble stucco and which can be reproduced exactly any desired number of times. The unique surface charactistics of the invention are obtained by preparing a reusable mold which is obtained by a reverse casting of a polymeric gel onto a cellular foam surface. The construction material of the invention is essentially a laminated, rigid backing having a polymeric surface with the desired texture obtained by casting onto the reusable mold.
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Brown James J.
Kuhns Allan R.
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