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Composite thin-wall aluminium foil hose

A technology of compounding aluminum foil and hose, which is applied in the direction of hose, pipe, pipe/pipe joint/pipe fitting, etc., can solve the problems of welding seam on the surface of the pipe body, beautiful appearance, complicated production process, etc. Good effect and beautiful appearance

Inactive Publication Date: 2002-07-10
SHENZHEN BEAUTY STAR
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Therefore, compared with the all-plastic seamless composite hose, although its barrier performance has been significantly improved, the multi-layer plastic cannot be co-extruded in production. The production process is more cumbersome, and there are welds on the surface of the pipe body, which must Avoid here, it is inconvenient, and the appearance is not as beautiful as the all-plastic seamless composite hose

Method used

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  • Composite thin-wall aluminium foil hose
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  • Composite thin-wall aluminium foil hose

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Embodiment Construction

[0020] Such as Figure 7 , Figure 8 and Figure 9 As shown, the composite aluminum foil hose of this embodiment is cylindrical, and its tube body is composed of a composite aluminum foil inner layer 10, an adhesive layer 11 and a plastic outer layer 12 from the inside to the outside, and the composite aluminum foil inner layer 10 is a roll welding structure , there is a section of overlapping area at the intersection of its cylinder joints, the inner layer 10 of the composite aluminum foil in this embodiment is a three-layer composite film, which is composed of pure aluminum foil, adhesive and a layer of polyethylene from the inside to the outside. The middle layer of the pipe body is the bonding layer 11, which is located between the composite aluminum foil inner layer 10 and the plastic outer layer 12. The bonding layer 11 and the plastic outer layer 12 are co-extruded, and the plastic outer layer 12 is composed of five layers of polyethylene. Due to the co-extrusion stru...

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Abstract

The composite thin-wall aluminium foil hose includes composite aluminium foil inner layer, adhesive layer and plastic outer layer. The composite aluminium foil inner layer is of wound and welded structure, and the adhesive layer and plastic outer layer is of coextruded structure. Compared with available seamless composite plastic hose, the said composite hose of the present invention with aluminium foil as blocking layer material has improved blocking effect; and compared with available seamy aluminum-plastic composite hose, the said composite hose has simpler production process and seamless surface being beautiful and easy to print.

Description

technical field [0001] The invention relates to a plastic composite hose for packaging, in particular to a thin-wall composite aluminum foil hose. Background technique [0002] The plastic composite hose used for flexible packaging is an intermediate product in the manufacturing process of complete flexible packaging products. After it is cut according to the required length, it undergoes further processing - injection head, printing, punching, bronzing, upper cover, tail sealing and other processes , and become cosmetic tubes, toothpaste tubes, ointment tubes, food tubes and packaging hoses for chemical fluids, etc. There are two types of existing plastic composite hoses, one is an all-plastic seamless composite hose, which is a multi-layer co-extruded structure with five or more layers, and the basic structure of the pipe body is as follows: figure 1 , figure 2 and image 3 As shown, from the inside to the outside are: polyethylene inner layer 1, adhesive layer 2, poly...

Claims

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Application Information

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IPC IPC(8): F16L11/00
Inventor 陈文涛
Owner SHENZHEN BEAUTY STAR
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