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. 15, 1994

Filed:

Oct. 30, 1992
Applicant:
Inventors:

Makoto Sakano, Tokyo, JP;

Shozo Horikawa, Tokyo, JP;

Shuji Wada, Tokyo, JP;

Assignee:

Japan Tobacco Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ; B65H / ;
U.S. Cl.
CPC ...
242 581 ; 242 585 ; 242 64 ;
Abstract

An automatic web roll changing device is adapted to automatically and continuously supply web rolls to a web supply-connection apparatus on which are replaceably mounted two web rolls from which webs are alternately and continuously drawn out and which connects the trailing end portion of the preceding web to the leading end portion of the following web. This device includes a rotary arm pivoted to the web supply-connection apparatus having, at both ends, hubs carrying the above-mentioned two web rolls, and a web roll storage-mounting unit provided opposite to the web supply-connection apparatus. The web supply-connection apparatus has a rotary head which is rotatable about a vertical axis. From the rotary head horizontally extend a plurality of web roll storing shafts for holding a plurality of web rolls so as to be slidable axially of the shafts. The web rolls on the storing shafts are moved toward the distal ends of the web roll storing shaft by driving units so as to be mounted on the hubs.


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