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:
Jul. 11, 2023
Filed:
Nov. 01, 2017
The Japan Steel Works, Ltd., Tokyo, JP;
Kiyoshi Handa, Hiroshima, JP;
Yohei Shimizu, Hiroshima, JP;
Makoto Tojo, Hiroshima, JP;
Jun Kakizaki, Hiroshima, JP;
THE JAPAN STEEL WORKS, LTD., Shinagawa-ku, JP;
Abstract
An extruder which can be applied to various types of resin and elastomer without having to replace a die is provided. An extruder of the present inventions has: a barrel to which raw material, that is raw elastomer or raw material resin, is supplied; a screw that is driven to rotate in the barrel in order to process the raw material together with the barrel; and diethat is provided at a discharge point of the barrel and that discharges the raw material that has been processed. Dieincludes first flat platehaving at least one first holeand second flat platehaving at least one second hole, wherein first flat plateand second flat plateare arranged adjacent to each other along longitudinal axis Xof the barrel, and at least either first flat plateor second flat plateis movable relative to the other flat plate such that an overlapping part of first holeand second holecan be varied.