Edge face structure of laminated film, method of processing edge face, liquid ejection nozzle with processed edge face, and process for producing the same

A technology of liquid discharge and laminated film, applied in rigid/semi-rigid container manufacturing, thin material handling, container manufacturing machinery, etc., can solve the problems of safety and hygiene, and sometimes contact with ink layer, etc. Achieving sufficient safety and hygiene, ensuring the effect of safety and hygiene

Inactive Publication Date: 2012-07-18
YUSHIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the object to be packaged as a liquid also contacts the adhesive layer or primer layer exposed on the end face of the laminated film at the base end of the liquid discharge nozzle, and sometimes also contacts the ink layer, especially the When the package is a drink or food, there will be problems in safety and sanitation

Method used

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  • Edge face structure of laminated film, method of processing edge face, liquid ejection nozzle with processed edge face, and process for producing the same
  • Edge face structure of laminated film, method of processing edge face, liquid ejection nozzle with processed edge face, and process for producing the same
  • Edge face structure of laminated film, method of processing edge face, liquid ejection nozzle with processed edge face, and process for producing the same

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Embodiment Construction

[0033] Hereinafter, embodiments of the present invention will be described by taking, as an example, a liquid discharge nozzle formed using a laminated film having a three-layer structure in which sealing layers are disposed on both sides of a base film layer.

[0034] Fig. 1 is a view showing an embodiment of a liquid discharge nozzle of the present invention, and Fig. 1(b) is an enlarged cross-sectional view along line b-b of the side view of the discharge nozzle shown in Fig. 1(a).

[0035] The parts indicated by hatching in the figure indicate the welding provided on the peripheral part of the two laminated films on the front and back sides or a laminated film folded in half from the central part, except for the part that becomes the base end side of the discharge nozzle. The welded part 1 can form a discharge port at the front end of the discharge flow path 3 formed inside the welded part 1 by breaking or cutting off the welded part 2 at the front end.

[0036] A part of ...

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Abstract

The invention is to provide an end face treating structure completely preventing exposure of adhesive layer, anchor coating layer, ink layer and the like at an end face of a laminate film of two or more layers comprising at least uniaxially or biaxially oriented base film layer and a sealant layer laminated on one-side face or sandwiching the base film layer and a process for treating an end face as well as a liquid pouring nozzle capable of preventing contact of a packing material in a soft package bag with the above adhesive layer and the like and a method of producing the same. The construction lies in a point that in the end face of the laminate film comprising the base film layer and sealant layers laminated sandwiching it, the sealant layers are protruded from the edge of the base film layer to cover the end face of the base film layer.

Description

[0001] This application has an international application date of November 12, 2008 (date of entering the Chinese national phase: May 28, 2010), an international application number of PCT / JP2008 / 070964 (national application number: 200880118453.7), and an invention title of "Stack The end surface structure and end surface treatment method of the layered film, and the liquid discharge nozzle after the end surface treatment and its manufacturing method” is a divisional application. technical field [0002] The invention relates to an end surface structure of a laminated film and a method for treating the end surface of the laminated film, wherein the laminated film has a uniaxially or biaxially stretched base film layer and is laminated with at least one side of the base film layer Or each sealing layer laminated on both sides of the base film layer with the base film layer interposed therebetween. In addition, the present invention also relates to a liquid discharge nozzle forme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D33/38B65D85/72B31D5/00B31B50/64
CPCB29C67/0044B31B2219/9067B65D75/5883B31B2219/62B29L2009/00B32B3/02B31B19/84B32B3/04B32B7/12B32B27/08B32B27/283B32B27/322B32B2250/40B32B2307/4023B32B2307/516B32B2307/518B32B2307/748B32B2439/70B32B2439/80B31B70/79B31B70/85Y10T156/1036Y10T156/1051Y10T428/24777
Inventor 二濑克规
Owner YUSHIN
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