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Method for coating pipeline and pipeline

A pipeline and coating technology, applied in the direction of pipes/pipe joints/pipe fittings, devices for coating liquid on the surface, coatings, etc., can solve problems such as expensive and complicated measures, achieve accurate implementation, cost-effective, and eliminate complexity The effect of the measures

Pending Publication Date: 2022-01-18
TI AUTOMOTIVE HEIDELBERG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In general, known measures are relatively complex and therefore expensive

Method used

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  • Method for coating pipeline and pipeline
  • Method for coating pipeline and pipeline
  • Method for coating pipeline and pipeline

Examples

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Effect test

Embodiment Construction

[0020] The figures show a pipe 1 coated based on the method according to the invention. In an exemplary embodiment, it may preferably be a motor vehicle conduit, preferably a conduit for fuel and / or hydraulic fluid. The pipe 1 has a metal inner tube 2 which is preferably designed as a steel pipe in the exemplary embodiment. The metal inner tube 2 is provided with a metal layer 3 , which is preferably designed as an aluminum layer in the exemplary embodiment. This aluminum layer can be applied to the metal inner tube 2 by hot dipping. In particular, a metal layer 3 made of Galfan can be applied to the metal inner tube 2 instead of an aluminum layer.

[0021] In a preferred embodiment and in an exemplary embodiment, the chrome-free intermediate layer 4 is applied to the metal layer 3 or to the aluminum layer and may in one embodiment have a phosphating agent.

[0022] In an exemplary embodiment, the layer thickness of the metal layer 3 may have a dimension of 50 μm to 150 μm,...

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Abstract

A method for coating a pipe, in particular a motor vehicle pipe, wherein a metallic inner tube is used, and wherein the outer surface of the metallic inner tube is provided with at least one metal layer. A bonding layer is thereupon applied to the metal layer. The pipe is then provided with at least one outer layer. The bonding layer is applied via plasma coating.

Description

technical field [0001] The invention relates to a method for coating pipes, especially motor vehicle pipes, preferably pipes for fuel and / or hydraulic fluids, wherein a metal inner pipe is used, wherein the outer surface of the metal inner pipe is provided with There is at least one metal layer, wherein at least one adhesive layer is subsequently applied to the metal layer, and wherein the pipe is subsequently provided with at least one outer layer. The invention also relates to corresponding lines, preferably lines for fuel and / or hydraulic fluid. Background technique [0002] The various methods described above are known in practice in various embodiments. As a rule, the adhesive layer is applied here within the framework of wet-chemical methods. Here an adhesive layer dissolved in a solvent is used. In this respect, the known measures have been criticized both with respect to the environment and with respect to health. The known methods require complex pretreatment an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C28/00C22C18/04C23C2/06C23C2/12C23C2/38C23C14/22C23C16/44F02M37/00
CPCC23C28/00C23C2/38C23C2/06C22C18/04C23C2/12C23C14/22C23C16/44F02M37/0017C23C4/08C23C28/021C23C28/023C23C4/134C23C4/14C23C4/16B21C37/123C23C16/513C23C28/32C23C28/34C23C2/26C23C22/07B05D7/222F16L9/147C23C2/04H05H1/24
Inventor A·查赫查尔C·辛恩
Owner TI AUTOMOTIVE HEIDELBERG
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