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Process for producing pipe sleeves from mineral wool and this pipe sleeves

A tube sleeve and mineral wool technology, applied in chemical instruments and methods, pipes/pipe joints/fittings, applications, etc., can solve complex and problem-prone problems, achieve mechanical properties improvement, reduce bulk density, and improve material properties. Effect

Inactive Publication Date: 2006-05-17
伊索弗圣-戈班
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This sleeve has actually been tried and tested; however, in order to produce such a sleeve, in addition to the steps for the individual production of the parts, in particular an installation step for inserting the insulation into the sheath is required, This is complex and problematic especially in relatively large numbers

Method used

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  • Process for producing pipe sleeves from mineral wool and this pipe sleeves
  • Process for producing pipe sleeves from mineral wool and this pipe sleeves
  • Process for producing pipe sleeves from mineral wool and this pipe sleeves

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] figure 1 A side view of a winding machine 1 is shown in a highly schematic manner, on which a sleeve 10 according to a first embodiment is produced (cf. figure 2 ). The winding machine 1 has a winding mandrel 2 , onto which a nonwoven web 11 made of mineral wool is wound up in an inherently conventional manner, the nonwoven web 11 being supplied by a first supply belt 3 .

[0037] In the shown figure, the nonwoven web 11 has been substantially wound on the winding mandrel 2, and the inner reinforcement layer 12 has been placed on the winding mandrel 2 before starting the winding operation, so that during the winding operation , the reinforcing layer becomes an integral part of the sleeve 10 to be produced.

[0038] Furthermore, the winder 1 comprises a second supply belt 4, via which the outer reinforcing layer 13 can be supplied in such a way that its front end partially overlaps the end of the nonwoven web 11 so that it is also wound into rolls. As a result of th...

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PUM

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Abstract

The invention relates to a process for producing pipe sleeves made of mineral wool for insulating pipelines or for reducing the sound level in pipeline systems, comprising the following steps: providing a nonwoven web (11) made of mineral wool which is provided with an uncured binder, winding up the nonwoven web (11) on a winding mandrel (2) of a winder, curing the binder. Here, at least one reinforcing layer (12, 13) is provided before the nonwoven web (11) runs into the winder, in such a way that during the winding the said reinforcing layer becomes a constituent part of the pipe sleeve produced as a result.

Description

technical field [0001] The invention relates to a method for producing a pipe sleeve from mineral wool according to the preamble of claim 1, and also to a pipe sleeve comprising a coiled nonwoven web made of mineral wool with a hardened binder (nonwoven web). Background technique [0002] Sleeves of this type are frequently used, for example, in heating and water supply lines to insulate pipes so that energy losses are minimized. The insulation of such sleeves is usually produced by winding a nonwoven web made of mineral wool on a mandrel of a winder and, as described in DE 35 36 174 C1, can have an additional thin metal out-of-board stackup. The compressive strength of the sleeve, in particular in the radial direction, can conventionally be improved by means of this laminate, which is generally a thin aluminum sheet. In addition, the metal laminate also provides trickleguard against any loose fibrous material that may be present in the sleeve. [0003] While such conven...

Claims

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Application Information

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IPC IPC(8): B32B37/02B29C31/00B29C53/56B29C53/60B29C67/24B32B1/08B32B5/26B32B19/02B32B37/12B32B38/18F16L59/02F16L59/14
CPCB29C31/002B29C53/562B29C67/245B29K2105/06B29L2023/225B32B1/08B32B5/26B32B19/02F16L59/021F16L59/14Y10T428/13B32B37/22B32B2307/102B32B2307/304B32B2597/00B32B5/022
Inventor 哈拉尔德·利藤贝尔安东·齐西克延斯·迈尔弗尔克尔·阿尔布雷希特
Owner 伊索弗圣-戈班
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