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:
Oct. 13, 1992
Filed:
Mar. 27, 1991
Applicant:
Inventor:
Takashi Hanano, Kobe, JP;
Assignee:
Hanano Commercial Co., Ltd, Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; B22C / ;
U.S. Cl.
CPC ...
252 18 ; 252 20 ; 252 22 ; 106 3822 ; 106 3824 ;
Abstract
The powder lubricant for plunger device of this invention is a mixture of a powdered or granulated lubricant base material used for a lubricant in a solid form, with an organic compound giving an adhesion ability to the lubricant base material. The most outstanding feature of this invention is that the lubricant base material has the powdered or granulated form. Effect of this invention are that occurrence of defects inside products can be positively avoided, dangers such as fire etc. and environmental pollution can be prevented, and sliding of plunger can be made smooth to improve the workability.