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Method for forming a tubular body, undulating tubular body and use of same

a tubular body and undulating technology, applied in the field of forming a tubular body, to achieve the effect of high flexibility and complexity in forming

Inactive Publication Date: 2018-01-25
WOBBEN PROPERTIES GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention provides a method for making tubular bodies with higher flexibility and more complex shapes. One step involves pressurizing the liquid inside the tubular body before shaping it. The pressure indicates the tubular body is complete and can detect leaks. The method also involves using bending radii to stabilize the shape of the tubular body. Another step involves using a stainless steel or structural steel material for the tubular body to minimize electrical conductivity. The methods also allow for economical and efficient cooling of the generator while preventing leakage and interference fields.

Problems solved by technology

Moreover, liquids, such as water or suitable oils, can be compressed only with difficulty and therefore ensure adequate stabilization of the internal tube volume, despite being in the liquid state, if the tube is completely filled and closed.

Method used

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  • Method for forming a tubular body, undulating tubular body and use of same
  • Method for forming a tubular body, undulating tubular body and use of same
  • Method for forming a tubular body, undulating tubular body and use of same

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Embodiment Construction

[0032]In its undeformed state, the tubular body 1 shown in FIGS. 1-3 has a substantially cylindrical cross section and is uncurved, as can be seen in FIG. 1. To prepare the forming step, the tubular body 1 is closed pressure tightly in a first end segment 2 by means of a closure 3, e.g., a blind plug. A second closure 5 is fitted in an opposite, second end segment 4. The second closure 5 is designed as a check valve with an excess pressure limiter, for example.

[0033]The tubular body 1 is filled with liquid, preferably via the second closure 5, and pressurized, e.g., with a pressure in a range of from 50 to 200 bar. The tubular body is then closed pressure tightly by means of the optionally provided check valve, wherein the optionally provided pressure limiter is designed to discharge liquid from the interior of the tubular body 1 if a predetermined pressure within the tubular body 1 is exceeded.

[0034]It is then possible to carry out the forming step with the filled and closed and pr...

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Abstract

A method for forming a tubular body, comprising the following steps: making available a tubular body having a first and a second tube end, filling the tubular body with a liquid, closing the tubular body, and forming the tubular body.

Description

BACKGROUNDTechnical Field[0001]According to a first aspect, the present invention relates to a method for forming a tubular body. According to another aspect, the invention relates to a meandering tubular body produced by such a method. According to another aspect, the invention relates to the use of a tubular body of this kind.Description of the Related Art[0002]Forming tubular bodies is a widely known process. After being produced, tubular bodies are generally in an elongate, substantially uncurved form. However, since tubular bodies are not used only along straight delivery sections in practice, the installation locations may sometimes require fluids to be delivered along curved paths, e.g., around corners, by means of tubular bodies, and it is not always possible or desirable to use branch lines, flanged-on pipe elbows and the like in these situations, there is, on the one hand, the need to be able to bend tubular bodies, by means of forming for instance. On the other hand, ther...

Claims

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Application Information

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IPC IPC(8): B21D11/07B21D26/041B21D9/15B21D26/033
CPCB21D26/041B21D9/15B21D11/07B21D26/033F16L9/003F16L9/02B21D22/025B21D41/04B21D26/049
Inventor ROER, JOCHENKUIPER, GERRITWOLLGAM, SVENMIDDELSTADT, FALK
Owner WOBBEN PROPERTIES GMBH
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