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. 22, 2019
Filed:
Sep. 14, 2012
Satoshi Nakamura, Tokyo, JP;
Satoshi Nakamura, Tokyo, JP;
JAPAN TOBACCO INC., Tokyo, JP;
Abstract
A filter manufacturing machine includes a feed path () configured to continuously feed a sheet material containing filter fibers and provided with a first plasticizer addition unit (); a forming device () connected to a terminating end of the feed path () and configured to form the sheet material () into a hollow rod-shaped continuous filter body (), the forming device including a tubular forming path for forming the sheet material () into the continuous filter body (), a heat treating section for heating the sheet material, and a second plasticizer addition unit () arranged near the inlet of the tubular forming path; and a wrapping device () configured to receive the continuous filter body () delivered from the forming device () and wrap the continuous filter body in a wrapper to form a filter rod ().