Title:
【発明の名称】原盤及び該原盤の製造方法
Document Type and Number:
Japanese Patent JP2002527255
Kind Code:
A
Abstract:
A matrix (2) adapted for use in a mould (1c,1d) of a plastic element-producing machine (1), said matrix (2) having a surface that presents a negative microstructure. The matrix is characterized in that (i) the microstructure includes a wear layer (7) which provides a wear surface (7b), such as a metal surface, towards a plastic element (3) manufactured in said mould (1c,1d), said layer (7) being supported by a carrier surface (8b) of a carrier element (8), and (ii) the matrix (2) is connected to heating means (4) to supply electrical heat energy to the whole or part of the matrix via, or immediately adjacent to, the microstructure and (iii) the wear layer (7) and/or a layer (8,31,41,42,51,52,61, 62) supporting this layer consists of an electrically conducting or electrically semi-conducting material.
Inventors:
Pell Ove Ehmann
Rals Rune Lundbrado
Rals Rune Lundbrado
Application Number:
JP2000575672A
Publication Date:
August 27, 2002
Filing Date:
October 14, 1999
Export Citation:
Assignee:
Åmic AB
GYROS AKTIEBOLAG
GYROS AKTIEBOLAG
International Classes:
B29C33/02; B29C33/42; B29C33/56; B29C45/26; B29C59/04; B29C33/40; G11B7/26; B29K63/00; B29K105/16; B29L17/00; (IPC1-7): B29C33/40; B29C45/26; B29C59/04; G11B7/26; B29K63:00; B29K105:16; B29L17:00
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)