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. 31, 1984
Filed:
Mar. 26, 1982
Applicant:
Inventors:
Hajime Nakamura, Kure, JP;
Junichi Iwamura, Hiroshima, JP;
Yoshio Nakajima, Hiroshima, JP;
Masaji Hasegawa, Kure, JP;
Assignee:
Nisshin Steel Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
7386452 ; 7386458 ; 7386459 ;
Abstract
A vacuum sampling container of a refractory material which comprises a small diameter cylindrical section and a large diameter cylindrical section coaxially connected in mutual communication and is evacuated and sealed, the free end of said small diameter cylindrical section being provided with a portion thinned to the extent that it is broken by virtue of the heat and pressure of the molten metal when the vacuum sampling container is immersed in a molten metal is disclosed. Also a sampler comprising said vacuum sampling container and a protective tube therefor is disclosed.