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:
Mar. 03, 2020
Filed:
May. 30, 2012
Manabu Ikeya, Hiroshima, JP;
Makoto Ishikawa, Hiroshima, JP;
Reo Fujita, Hiroshima, JP;
Seiji Takamoto, Hiroshima, JP;
Shigeki Inoue, Hiroshima, JP;
Manabu Ikeya, Hiroshima, JP;
Makoto Ishikawa, Hiroshima, JP;
Reo Fujita, Hiroshima, JP;
Seiji Takamoto, Hiroshima, JP;
Shigeki Inoue, Hiroshima, JP;
THE JAPAN STEEL WORKS, LTD., Tokyo, JP;
Abstract
There is provided with a screw that is inserted into a cylinder an inside of which a material is loaded, and is rotatably supported in both end portions on an upstream side and a downstream side, or in an end portion on the upstream side, in the cylinder; a first kneading blade including a plurality of first blades that are helically provided on the screw and send the material toward the downstream side with rotation of the screw; and a second kneading blade including a second blade that is helically provided on the screw and returns the material, which is sent toward the downstream side by the first kneading blade, toward the upstream side, the number of blades in the second blade being smaller than the number of blades in the first blade.