Multi-layer composite seamless aluminum-plastic pipe and preparation method thereof

A multi-layer composite, aluminum-plastic pipe technology, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve the problems of simple production process, limited aluminum-plastic pipes, high printing costs, etc., to solve the problem of single function and high lap strength , the effect of easy printing

Inactive Publication Date: 2015-03-25
上海三樱包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Although the existing aluminum-plastic multilayer composite pipe can meet the needs of most occasions, there is an overlapping weld seam on the outer wall of the pipe, which affects the printing effect of the appearance, and the hand feels hard, and the production process is simple.
Although the traditional extrusion process can produce a seamless hose, it only has a single-layer structure and cannot use aluminum foil as a barrier layer. It has poor functionality, high printing costs, rough appearance, and hard hand feeling.
The above limits the application of aluminum-plastic tubes in various packaging fields with high requirements for appearance and printing

Method used

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  • Multi-layer composite seamless aluminum-plastic pipe and preparation method thereof
  • Multi-layer composite seamless aluminum-plastic pipe and preparation method thereof
  • Multi-layer composite seamless aluminum-plastic pipe and preparation method thereof

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Embodiment Construction

[0038] In order to understand the technical content of the present invention more clearly, the specific implementation method of the present invention will be further described below in conjunction with the accompanying drawings.

[0039] Such as Figure 1~4 As shown, a multi-layer composite seamless aluminum-plastic pipe provided in this embodiment includes a pipe wall 12, wherein,

[0040] The two ends of the tube wall 12 are respectively provided with a first end surface 1 and a second end surface 2, and the first end surface 1 and the second end surface 2 are completely butted and fixed.

[0041] Both the first end face 1 and the second end face 2 are inclined end faces, and the inclination angles of the first end face 1 and the second end face 2 are both 45°. The first end surface 1 and the second end surface 2 are fixed by welding.

[0042] The pipe wall 12 includes a first plastic printing layer 3, a first adhesive layer 4, a second plastic printing layer 5, a first a...

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Abstract

The invention relates to a multi-layer composite seamless aluminum-plastic pipe. The multi-layer composite seamless aluminum-plastic pipe is characterized by comprising a pipe wall, wherein a first end surface and a second end surface are arranged at the two ends of the pipe wall respectively; the first end surface and the second end surface are completely inosculated and are in butt joint fixation. The invention further provides a preparation method of the multi-layer composite seamless aluminum-plastic pipe. The multi-layer composite seamless aluminum-plastic pipe has no obvious welding seam in appearance, and is high lap joint strength, firm and durable, attractive in appearance, good in hand feel and easy and convenient to print; a defect that the multi-layer composite aluminum pipe has welding seams is solved; through a multi-layer composite structure, a defect that a single-layer extrusion pipe has a simplex function is solved; the multi-layer composite seamless aluminum-plastic pipe is low in cost, meets needs of large-scale industrial production, and has a very high practical value.

Description

technical field [0001] The invention relates to the technical field of pipes, in particular to composite pipes, in particular to a multilayer composite seamless aluminum-plastic pipe and a preparation method thereof. Background technique [0002] In modern life, pipes play an increasingly important role in various fields. With the continuous development of new materials, various new types of composite pipes have emerged. In particular, the multi-layer aluminum-plastic composite pipe plays an extremely important role in the packaging fields of modern cosmetics, food, and medicine by virtue of its high barrier property to water vapor and air, hygienic and non-toxic. [0003] Although the existing aluminum-plastic multi-layer composite pipe can meet the needs of most occasions, there is an overlapping weld seam on the outer wall of the pipe, which affects the printing effect of the appearance, and the hand feeling is hard, and the production process is simple. Although the tra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/147
CPCF16L9/147
Inventor 唐娜刘磊蔡宇
Owner 上海三樱包装材料有限公司
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