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:
Apr. 08, 1980
Filed:
Dec. 18, 1978
Applicant:
Inventor:
Shigeru Suga, Shibuya-ku, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73-7 ; 51157 ;
Abstract
A test apparatus for determining the abrasion resistance of the surface of a sample to be tested. The sample is placed with the surface to be tested facing downwardly through an aperture in a sample support, an abrasion wheel is positioned beneath the sample and urged upwardly against the sample, the sample is reciprocated horizontally back and forth over the abrasion wheel, and at the end of each reciprocal movement, the abrasion wheel is moved away from the sample and rotationally indexed.