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. 07, 1984
Filed:
Jul. 06, 1982
Masami Hasegawa, Fuji, JP;
Takashi Kato, Kamakura, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A water soluble machining fluid for use in cutting, grinding, etc. of metal materials. This machining fluid comprises 5-20 parts by weight of either an erythritol fatty acid ester or a glycerol fatty acid ester, 3-15 parts by weight of a sorbitan fatty acid ester, 3-15 parts by weight of an alkylolamide of fatty acid, 3-10 parts by weight of propylene glycol, 1-5 parts by weight of a chelating agent, 0.5-3 parts by weight of a fluorine-containing surface-active agent which is preferably a perfluoro compound, and a suitable amount of water. This machining fluid is high in the lubricating and rust-inhibiting ability, is harmless to the human body and is very low in COD value.