Screw element for connecting pipes and a pipe connecting device

A technology for threaded components and connecting pipes, applied in the field of threaded components, can solve problems such as loosening or loosening

Inactive Publication Date: 2020-05-05
TI AUTOMOTIVE HEIDELBERG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Twisting of the pipe creates a counter-torque which can lead to undesired and / or uncontrolled loosening or loosening of the threaded connection

Method used

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  • Screw element for connecting pipes and a pipe connecting device
  • Screw element for connecting pipes and a pipe connecting device
  • Screw element for connecting pipes and a pipe connecting device

Examples

Experimental program
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Embodiment Construction

[0028] figure 1 Shown is a threaded element according to the disclosure, which is designed as a threaded joint 1 in a pipe connection device. In this exemplary embodiment, the pipe 2 passes through the threaded joint 1 in the axial direction and has a front element on one end which is designed as a flange 10 . Preferably, within the scope of the present disclosure, in this exemplary embodiment, this front element is a metal flange 10 , which is preferably integrally molded with the tube end of tube 2 . In this exemplary embodiment, the threaded joint 1 is screwed into a connecting element designed as a connecting block 12 . Advantageously, and in this exemplary embodiment, the connection block 12 here has an integrated second tube 13 . The threaded joint 1 presses the flange 10 such that the front sealing surface 11 of the flange 10 is pressed against the connection surface 14 of the connection block 12 . The threaded connection 1 is also screwed into the blind hole 15 of t...

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Abstract

A screw element for connecting pipes (2), preferably automotive pipes, wherein the screw element has at least one thread (3) and at least one thread-free contact surface (4), wherein the thread (3) isprovided with a first coating (7) in at least one area, wherein at least one thread-free contact surface (4) is provided with a second coating (8) in at least one area, characterized in thatthe firstcoating (7) comprises at least 40 wt%, preferably at least 50 wt% of at least one epoxy compound, in particular at least one phenol-based epoxy compound and at least one lubricant.

Description

[0001] related application [0002] This application document claims the benefit of priority from German patent application No. 202017104112.3 entitled "ScrewElement For Connecting Pipes And APipe Connecting Device" filed on July 11, 2017, the entire content of which is hereby incorporated by reference . technical field [0003] The present disclosure relates to a threaded element for connecting pipes, preferably motor vehicle pipes, wherein the threaded element has at least one thread and at least one non-threaded contact surface, the threads being provided in at least some regions with a first coating , and at least one unthreaded contact surface is provided with a second coating in at least some areas. The present disclosure also relates to a pipe connection device for connecting pipes, in particular for motor vehicle pipes, having a threaded element according to the present disclosure. Background technique [0004] In various embodiments from practice, threaded element...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L19/028
CPCF16L19/028F16L33/32B60H1/00571F16L19/0243
Inventor 安德烈亚斯·施塔恩朱利安·霍夫曼-卢舍尔
Owner TI AUTOMOTIVE HEIDELBERG
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