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. 20, 2015
Filed:
Mar. 03, 2010
Takeo Fukumoto, Fujioka, JP;
Satoru Sumiyoshi, Fujioka, JP;
Mitsuru Endou, Fujioka, JP;
Mitsubishi Pencil Company, Limited, Shinagawa-Ku, Tokyo, JP;
Abstract
In the liquid material feeding container, a piston is formed with a seal portion at a front portion thereof, being sliding in contact with an inner wall of a housing portion of a barrel body, and a cylindrical portion having projections in an outer periphery of a rear end portion and a female thread portion in an inner periphery thereof, and in an outer peripheral surface of the front portion extending frontward from the above-described operating portion of the above-described rotating element, a male thread portion is formed, and in the above-described barrel body, a space of the housing portion is formed in a frontward portion and a groove portion with which the projection is engaged is formed in a backward portion along an axial direction.