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Conduit lock

A technology for closing devices and pipelines, which is applied in the direction of hose connection devices, pipe elements, pipes/pipe joints/fittings, etc., and can solve problems such as high-speed disengagement and injury

Inactive Publication Date: 2011-06-22
GRUNDFOS MANAGEMENT AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Closures for such lines are relatively simple in construction and therefore low in cost, but have the potential to disengage at high speeds when removing such closures from lines on which hydraulic pressure is still applied
Thus, for example, when unfastening the closure of the lead-in line, this closure can be squeezed out at high speed due to the fluid pressure present in the line, and it is possible that the person who unfastened the closure Injuried

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0024] The line 2 for conducting the fluid consists of a pipe 2 which is closed by a line closure. The line closure has a closure part 4 which is fastened to the line end of the line 2 by means of a collar 6 . Such as Figure 5 As shown, the closure 4 is longitudinally in the form of a shoulder From the first section (in this section the outer section of the closure 4 corresponds to the outer section of the pipeline 2) to the second section (in this section the outer section of the closure 4 corresponds to the opening section of the pipeline 2) Corresponding) narrowed. This second section of the closure element 4 is intended to be inserted into the line end of the line 2 , while the first section of the closure element 4 bears against the end face of the line 2 which forms the line end. The outwardly oriented face of the first section of the closure 4 formed on a part of the shoulder from the first to the second closure section forms an annular groove 8 surrounding the ann...

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PUM

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Abstract

A conduit closure serving for the closure of a fluid conduit includes a closure element (4) which may be fastened on a conduit end. A securing element (30) is provided, which closes an opening (28) leading into the conduit inside. The opening (28) is on the closure element (4) or on the conduit (2). The securing element (30) is designed and arranged with respect to the closure element (4), in a manner such that securing element releases the opening (28) before the closure element (4) may be removed from the conduit (2).

Description

technical field [0001] The invention relates to a pipeline sealing device. Background technique [0002] It is known to close pipes or hoses with closures which are introduced into the ends of the pipes or hoses and fastened there. Closures for such lines are relatively simple in construction and therefore relatively inexpensive, but present the potential for high-speed disengagement when such closures are removed from the line on which the hydraulic pressure is still applied. Thus, for example, when unfastening the closure of the lead-in line, this closure can be squeezed out at high speed due to the fluid pressure present in the line, and it is possible that the person who unfastened the closure Injuried. Contents of the invention [0003] It is therefore the object of the present invention to provide a line closure which, on the one hand, is structurally simple and, on the other hand, can be safely removed from the line. [0004] In order to achieve this object, a pi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L55/10
CPCF16L35/00F16L55/115F16J13/24F16J13/065F16L55/11
Inventor 斯特芬·马森安德斯·达尔高本特·霍尔姆·彼得森延斯·克里斯蒂安·让桑
Owner GRUNDFOS MANAGEMENT AS
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