Title:
錠剤の打錠杵又は臼
Document Type and Number:
Japanese Patent JP5095924
Kind Code:
B2
Abstract:
An object of the invention is to provide a punch or die for tabletting to be excellent durability and releasability. When a coating layer is provided on a surface, the coating layer is yet securely prevented from detachment. In the punch or die for tabletting, the tablet-forming surface layer 5 contains a base metal and a hardening metal in a fused state which is different from the base metal, and a hardening metal content is incremental from the base metal toward the tablet-forming surface layer 5. The hardening metal contains at least any one of W, C, B, Ti, N, and Cr. Furthermore, in the punch or die for tabletting, the tablet-forming surface layer 5 ranges between 0.1 µm and 5 µm in terms of arithmetical mean roughness Ra of the surface.
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Inventors:
Kazuo Sawaguchi
Application Number:
JP2005143311A
Publication Date:
December 12, 2012
Filing Date:
May 16, 2005
Export Citation:
Assignee:
Fuyo Industry Co., Ltd.
Kazuo Sawaguchi
Kazuo Sawaguchi
International Classes:
B30B11/02; C23C8/00; C23C10/00
Attorney, Agent or Firm:
Yasuhiro Toyosu
Toshisu Koji
Toshisu Koji