Title:
押出ダイス、フローガイド、及びチャンバの製造方法とこれに使用する設計装置
Document Type and Number:
Japanese Patent JP4497578
Kind Code:
B2
Abstract:
A method of determining at least one dimension of an extrusion die includes determining a plurality of reference points on a contour of an opening of the extrusion die. Sizes of a plurality of figures with same shapes corresponding to the plurality of reference points are determined. Each of the plurality of figures is inscribed in the contour of the opening and has at least one axis of symmetry. Each of the plurality of figures contacts each of the plurality of reference points and at least one another point on the contour. The at least one dimension of the extrusion die is determined based on the sizes of the plurality of figures.
Inventors:
Akira Sanmaru
Kazumi Kato
Itabashi Kazuhiro
Toshiyuki Kakiki
Kazumi Kato
Itabashi Kazuhiro
Toshiyuki Kakiki
Application Number:
JP9917099A
Publication Date:
July 07, 2010
Filing Date:
April 06, 1999
Export Citation:
Assignee:
Furukawa Sky Co., Ltd.
International Classes:
B21C25/02; B23P15/24; B21C25/10; G06F17/50
Attorney, Agent or Firm:
Koji Nagato