EXTRACTION BAG FILLING/PACKING MACHINE

WIPO Patent Application WO/2010/055591

A1

An extraction bag filling/packing machine (70) for manufacturing an extraction bag (6) in a tetrahedral shape is provided with a vertical seal device (75) which forms an extraction bag sheet (5) in a tubular body, a sheet feeding means, a lateral seal device (76) which alternately forms a first lateral seal and a second lateral seal by ultrasonic-welding/fusing the tubular body of the extraction bag sheet in mutually crossing directions on an upper face view and a filling device (80) which fills an inner part of the tubular body of the extraction bag sheet with a content while formation of the first lateral seal and that of the second lateral seal are alternately repeated. The lateral seal device (76) is provided with a travel-type seal head (76a), a columnar anvil (76b) and an anvil fixing means (76c). The columnar anvil (76b) can rotate in a circumferential direction and has a plurality of flat faces (76b1) extending in a longitudinal direction on a circumferential face. The lateral seal is formed by making the flat face (76b1) confront with the seal head (76a). Thus, abrasion of the anvil (76b) is reduced and an abrasion face can easily be exchanged.

TSUJI YOSHIYUKI (JP)
TAKEMOTO TOMOHIRO (JP)

PCT/JP2008/070883

May 20, 2010

November 17, 2008

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TSUBAKIMOTO KOGYO CO LTD (JP)
TOYAMA FAB CORP (JP)
TSUJI YOSHIYUKI (JP)
TAKEMOTO TOMOHIRO (JP)

B65B29/02; B65B9/10; B65B51/10

WO2004020177A1

2004-03-11

JP2008213852A	2008-09-18
JPH04312836A	1992-11-04
JPH03275409A	1991-12-06

TAJIME & TAJIME (JP)
Patent business corporation Tajime international patent firm (JP)

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