The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 2022
Filed:
Aug. 31, 2018
Applicant:
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Takayuki Segawa, Kitakyusyu, JP;
Kiyoshi Furushima, Kitakyusyu, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 3/00 (2021.01); B22F 3/03 (2006.01); B22F 5/00 (2006.01); B29C 33/38 (2006.01);
U.S. Cl.
CPC ...
B22F 3/004 (2013.01); B22F 3/03 (2013.01); B22F 5/007 (2013.01); B29C 33/38 (2013.01); B22F 2301/15 (2013.01); B22F 2302/10 (2013.01); B22F 2304/10 (2013.01);
Abstract
A cylinder for a molding machine comprising a HIP-sintered lining layer on an inner surface of a cylindrical steel body, the lining layer comprising 38-70% by volume of tungsten carbide particles having a median diameter dof 1-7 μm and a matrix composed of an Ni-based alloy, and the maximum length of the matrix in an arbitrary cross section being 12 μm or less.