B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1189
B29C 33/00 (2006.01) B29C 43/18 (2006.01) B29C 43/38 (2006.01) B29C 70/78 (2006.01)
Patent
CA 2020117
The present invention relates to a mold for producing a multilayer molded article which article is comprised of a resin body and a skin material on a surface of the resin body. The mold consists of male and female molds, wherein the shortest horizontal distance of a mating gap between the horizontally outermost wall surface of the male mold to which the skin material contacts and the horizontally innermost wall surface of the female mold to which the skin material contacts is 0.25 to 3 times the minimum thickness from which the once compressed skin material can restore to the original thickness. In addition the shortest length L in a mold closing direction of a mated part formed between the outermost wall of the male mold to which the resin melt contacts and the innermost wall of a flange of the female mold satisfies the equation: (t1 - t0 + 10) mm ~ L ~ (t1 - t0) mm. In this equation t1 is a distance (mm) between the male and female molds when the resin melt first reaches the horizontally outermost edge of the male mold, and t0 is a distance (mm) in the mold closing direction between the same points on the male and female molds as those used for measuring t1 when the mold closing is completed.
Hara Takahisa
Matsumoto Masahito
Usui Nobuhiro
Hara Takahisa
Kirby Eades Gale Baker
Matsumoto Masahito
Sumitomo Chemical Co. Ltd.
Usui Nobuhiro
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