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Resin bag manufacturing equipment

A technology for manufacturing equipment and resin bags, used in envelope/bag manufacturing machinery, container manufacturing machinery, flexible container manufacturing, etc., can solve the problems of insufficient sealing strength, wrinkles in the film, damage to appearance, etc., to prevent poor welding Effect

Active Publication Date: 2015-11-25
MITSUBISHI HEAVY IND MACHINERY SYST LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this manufacturing method causes wrinkles in the film around the welded part of the film and the port, impairing the appearance
In addition, there are also problems in that the film is stretched, the welding cannot be reliably performed, the sealing strength is insufficient, and there is a gap between the film and the port.

Method used

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  • Resin bag manufacturing equipment
  • Resin bag manufacturing equipment
  • Resin bag manufacturing equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] The present invention will be described in detail below with reference to the embodiments shown in the drawings.

[0045] The resin bag manufacturing equipment 10 of the present embodiment is equipped with: a main body making part 20, which makes the bag main body 100 (refer to image 3 ); the transport unit 30, which transports the bag body 100 made by the body manufacturing unit 20 to the next process; the port installation unit 40, which installs the bag body 100 supplied from the transport unit 30 by welding the port 200; filling The portion 50 fills the bag body 100 with the port 200 attached to the port attachment portion 40 with contents.

[0046] 〈Body Production Department 20〉

[0047] The main body manufacturing part 20 is a part which manufactures the bag main body 100 before the port 200 is attached. The main body manufacturing unit 20 manufactures the bag main body 100 by welding and cutting a resin film pulled out from a rolled reel. The bag body 100 is w...

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PUM

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Abstract

Resin bag manufacturing equipment is provided that is capable of accurately inserting a port into a necessary position in an opening of a bag body even if moving means of a belt driven type with an inferior positioning accuracy is used. Resin bag manufacturing equipment 10 of the present invention includes a body fabricating unit 20 fabricating a bag body 100, a port attaching unit 40 attaching a port 200 to the bag body 100 by welding, and a filling unit 50 filling the bag with a content. The port attaching unit 40 includes a port holder 73 holding the port 200 when the port 200 is inserted into an opening 101 of the bag body 100. This port holder 73 includes a hold ring 732 configured of a combination of a plurality of segments 732a to 732d, and a spiral spring 733 applying an elastic force oriented to diameter reduction to the hold ring 732.

Description

technical field [0001] The present invention relates to a manufacturing facility of a resin bag used as a container for accommodating a liquid such as an infusion solution. Background technique [0002] A resin bag used as a container for a liquid such as an infusion solution is formed of a soft resin film or the like. The resin bag includes a bag-shaped bag body with one side open, and a cylindrical port made of hard resin attached to the opening of the bag body. The port functions as an opening for allowing liquid to enter and exit the bag body. [0003] Conventionally, in this resin bag, the two films are welded with the port placed between the two tape-shaped films, and at the same time, the port is sandwiched between the two films at the opening In this state, the film is welded to the port (for example, Patent Document 1). However, this manufacturing method causes wrinkles in the film around the welded portion of the film and the port, impairing the appearance. In ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B31B1/84B31B19/84B65B57/00B65G21/20B65G47/88
CPCB31B19/84B31B2219/9054B65B3/022B65B51/146B65B61/186B31B70/844
Inventor 荒木洋三三轮三代司清水诚大桥勤田口昌树
Owner MITSUBISHI HEAVY IND MACHINERY SYST LTD