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:
Jan. 26, 1988
Filed:
Dec. 10, 1985
Applicant:
Inventors:
Hideto Monji, Katano, JP;
Masaki Aoki, Mino, JP;
Hideo Torii, Higashiosaka, JP;
Hideyuki Okinaka, Toyonaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
6537411 ; 65122 ; 65 26 ; 2491 / ; 249116 ; 249134 ; 425 77 ; 425D / ;
Abstract
A mold for press-molding glass elements comprising a base member made of a super hard alloy or a cermet; at least one intermediate layer made of a nitride, a carbide, an oxide or a metal, provided on the base member; and a noble metal layer provided on the intermediate layer for forming a mold surface. An active metal contained in the base member is prevented from diffusing to the mold surface by the presence of the intermediate layer.