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:
May. 19, 2015
Filed:
Aug. 20, 2012
Akishige Tada, Hiroshima, JP;
Isao Ooki, Hiroshima, JP;
Yukihiro Mizutori, Hiroshima, JP;
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Abstract
A steam drawing apparatus for providing pressurized steam on running yarn to draw the yarn, comprising a steam chamber; first seal chamber adjacent to a yarn entrance of the steam chamber; and second seal chamber adjacent to a yarn exit of the steam chamber, first seal chamber and second seal chamber are each provided with a labyrinth seal section having a plurality of plate pieces, first yarn-position regulating bar is provided to prevent the running yarn from touching the plate pieces, first yarn-position regulating bar extends horizontally intersecting the running direction of the yarn at right angles, and a horizontal plane passing through the point of the first yarn-position regulating bar closest to the yarn is set at least 0.1 mm closer to the yarn than a horizontal plane passing through the tip of the plate piece closest to the yarn.