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Patent Searching and Data


Title:
MANUFACTURE OF RUBBER OR PLASTIC-MOLDED ARTICLE AND MOLD THEREFOR
Document Type and Number:
Japanese Patent JPS6149811
Kind Code:
A
Abstract:

PURPOSE: To form file unevenness on the surface of a molded article, by making use of a mold constituted by forming synthetic resin obtained by applying the synthetic resin to the surface of a cavity of a mold body under a state wherein the surface is held at a surface temperature of 50W450°C on the surface of the cavity.

CONSTITUTION: A synthetic resin layer 2 is formed on the surface of a cavity of a mold body 1 which is formed on a metal and touches a rubber or plastic molding material. A cavity is formed between a top force 1b of the mold body and a bottom force 1a of the mold body and the cavity is filled with the rubber or plastic molding material 3. The surface of the mold body 1 can be either flat or uneven surface. As the synthetic resin layer formed on the mold cavity surface possesses the same strcture as a spray coating layer, fine uneveness is formed on the surface.


Inventors:
ISHIMI KOICHI
FUJII YOSHIHIKO
MUTO BUNJI
Application Number:
JP17027984A
Publication Date:
March 11, 1986
Filing Date:
August 15, 1984
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
B29C33/04; B29C33/10; B29C33/40; B29C33/56; B29K21/00; (IPC1-7): B29C33/04; B29C33/10; B29C33/40; B29C33/56; B29K21/00
Attorney, Agent or Firm:
Takashi Kojima