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:
Feb. 03, 1987
Filed:
Oct. 15, 1984
Takeo Nakagawa, Kawasaki, JP;
Kiyoshi Suzuki, Misato, JP;
Research Development Corp., Tokyo, JP;
Aisin Seiki Kabushiki Kaisha, Aichi, JP;
Abstract
Short metal fibers are directly produced from a work metal block. The product fibers are very thin and short, e.g., 200 .mu.m in diameter and 20 mm in length to the maximum. A bar like or pillar like metal bar is rotated, to which an elastic cutting tool is contacted. The entering width of cutting edge corresponds to length of fiber to be obtained. The tool is effected with fine feed and at the same time positively generated with self excited vibrations. The self excited vibration forcibly separates and divides a thin layer fiber accumulating at the cutting edge of the tool one by one without having connections in length of the fibers to each other. The process produces needle like fibers of microscopic cross sectional area. The thin and short metal fibers are produced in the same number as number of the self excited vibrations, and the fiber is right angled in axis with the cutting direction.