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.

Date of Patent:
Feb. 25, 2020

Filed:

Aug. 06, 2018
Applicant:

Unicharm Corporation, Shikokuchuo-shi, Ehime, JP;

Inventors:

Shigetomo Takahashi, Kanonji, JP;

Hiroaki Goto, Kanonji, JP;

Takayuki Matsumoto, Kanonji, JP;

Yuji Yamashita, Kanonji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 13/16 (2006.01); A47L 13/38 (2006.01); B29C 65/18 (2006.01); B65H 57/02 (2006.01); B65H 57/26 (2006.01); B32B 5/26 (2006.01); D01D 10/04 (2006.01); D01D 11/02 (2006.01); B32B 37/00 (2006.01); D02J 1/18 (2006.01);
U.S. Cl.
CPC ...
A47L 13/16 (2013.01); A47L 13/38 (2013.01); B29C 65/18 (2013.01); B32B 5/26 (2013.01); B32B 37/0076 (2013.01); B65H 57/02 (2013.01); B65H 57/26 (2013.01); D01D 10/0436 (2013.01); D01D 11/02 (2013.01); D02J 1/18 (2013.01);
Abstract

A method for continuously producing a cleaning member obtained from a multilayer web that includes at least a fiber bundle with hollow fibers, and non-woven fabric strips includes at least: a step for preparing a guide member provided with a pair of width-adjusting member, and having a predetermined interval; a step for conveying a fiber bundle strip, such as the fiber bundle with hollow fibers, between the pair of width-adjusting members of the guide member, and adjusting the width of the fiber bundle strip so as to match the aforementioned interval; a step for forming the multilayer web by overlaying the strip-like fiber bundle, the width of which has been adjusted, on the non-woven fabric strips; and a step for joining the components of the multilayer web.


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