Title:
MANUFACTURE OF THERMOPLASTIC RESIN SHEET AND DEVICE THEREOF
Document Type and Number:
Japanese Patent JPH04312829
Kind Code:
A
Abstract:
PURPOSE: To freely change the form of colored band during manufacturing thermoplastic resin sheet having transparent resin layer made of transparent thermoplastic resin and the colored band embedded in the transparent resin layer.
CONSTITUTION: A conduit 2, through which colored thermoplastic resin (b) is supplied, is arranged in the manifold 3, into which transparent thermoplastic resin (a) is supplied, of a mold 1. The conduit 2 is supported rotatably about its axis center to the mold 1. By rotating the conduit 2 about its axis center, the position of the slit 8 formed on the conduit 2 in the manifold 3 is changed.
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Inventors:
JIYUNI YASUTO
Application Number:
JP7970491A
Publication Date:
November 04, 1992
Filing Date:
April 12, 1991
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
B29C48/31; B29C47/06; B29L7/00; B29L9/00; (IPC1-7): B29C47/06; B29C47/16; B29L7/00; B29L9/00