RESIN BAG PRODUCTION EQUIPMENT - MITSUBISHI HEAVY IND FOOD & PA

Title:

RESIN BAG PRODUCTION EQUIPMENT

Document Type and Number:

WIPO Patent Application WO/2012/032581

Kind Code:

A1

Abstract:

Disclosed is resin bag production equipment capable of correctly inserting a port at a required position at the opening portion of a bag main body, even if a movement means using a belt drive system having an inferior positioning accuracy is used. The resin bag production equipment (10) is provided with a main body production unit (20) which produces a bag main body (100), a port attachment unit (40) which attaches a port (200) to the bag main body (100) by welding, and a filling unit (50) which fills a content in the bag. The port attachment unit (40) is provided with a port holder (73) which holds the port (200) when the port (200) is inserted to the opening portion (101) of the bag main body (100). The port holder (73) is provided with a hold ring (732) constituted by a combination of a plurality of segments (732a to 732d), and a spiral spring (733) which applies an elastic force to the hold ring (732) in the direction to reduce the diameter.

Inventors:

ARAKI YOZO (JP)
MIWA MIYOSHI (JP)
SHIMIZU MAKOTO (JP)
OHASHI TSUTOMU (JP)
TAGUCHI MASAKI (JP)

Application Number:

PCT/JP2010/005539

Publication Date:

March 15, 2012

Filing Date:

September 10, 2010

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND FOOD & PA (JP)
ARAKI YOZO (JP)
MIWA MIYOSHI (JP)
SHIMIZU MAKOTO (JP)
OHASHI TSUTOMU (JP)
TAGUCHI MASAKI (JP)

International Classes:

B31B1/84; B31B19/84; B65B57/00; B65G21/20; B65G47/88

Domestic Patent References:

WO2006042710A2	2006-04-27
WO2010023753A1	2010-03-04

Foreign References:

JP2008093836A	2008-04-24
JP2004042447A	2004-02-12
JP2003118748A	2003-04-23
JPH0462041A	1992-02-27
JP2004136904A	2004-05-13
JPH0462040A	1992-02-27
JPS60189433A	1985-09-26

Other References: