Pile layer having curved bundles

A fiber bundle, plush technology, applied in the field of plush layer, can solve problems such as damage to plush layer, cost generation, etc., and achieve the effect of improving strength

Inactive Publication Date: 2013-04-03
SGL AUTOMOTIVE CARBON FIBERS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While it is basically possible to still align the fibers in the pile after the fact in the carding step, this again requires another procedural step which on the one hand creates costs and on the other hand the carding step has to be applied very carefully, so as not to further damage the plush layer

Method used

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  • Pile layer having curved bundles
  • Pile layer having curved bundles
  • Pile layer having curved bundles

Examples

Experimental program
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Embodiment Construction

[0063] figure 1 A first embodiment of a pile layer 1 according to the invention with a plurality of fiber bundles 2 comprising carbon fibers 10 is shown. The fiber bundles 2 each exhibit an apex region 6 and two fiber bundle end regions 7 . exist image 3 The terms apex region 6 and fiber bundle end region 7 are explained in more detail above.

[0064] It is evident that a plurality of bent fiber bundles 2 are anchored in the fleece layer 1 by means of separated fibers. The fibers can here be contained partly by the fleece layer 2 and partly by the bent fiber bundles 2 . The fleece layer 2 thus consists of entangled fibers which are either not contained or are partially or completely contained by the bent fiber bundles 2 . In this way, entanglement of the fibers makes it possible to create a planar structure, i.e. a pile layer 1, which is sufficiently stable during exposure to external mechanical influences to be further processed, for example during subsequent handling ....

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Abstract

The nonwoven material is composed of a pile layer which has a plurality of bundles comprising carbon fibers, wherein at least some of the bundles have a curved course that comprises a curved vertex area of a first curvature between the bundle ends and at least one bundle end area of a second curvature, located at the bundle ends, wherein the first curvature is greater than the second curvature in particular by at least 50%.

Description

technical field [0001] The invention relates to a fleece layer exhibiting a plurality of fiber bundles comprising carbon fibers according to the preamble of claim 1 and to a fleece for producing such a fleece according to the preamble of claim 12 fleece method. The invention also relates to a nonwoven fabric or nonwoven material according to the preamble of claim 11 . Background technique [0002] Fleece layers comprising carbon fibers are particularly suitable as a starting structure for the production of nonwovens or nonwoven materials used in many applications in the automotive industry. Most importantly, they are used to make automotive components. In particular, after suitable impregnation with polymers or resins, for example in the RTM procedure, the above-mentioned nonwovens and nonwoven materials are advantageously processed into light and mechanically very elastic fiber composite structures, which are increasingly Considered the preferred and preferred material. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B11/16D04H1/06D04H1/74D04H1/498D04H1/4274D04H1/4242
CPCD04H5/02D04H3/045D04H1/46D04H11/00D01G7/00B29B11/16D04H1/4274D04H1/498D01G1/04B29C70/081D04H1/4242D01G15/00D01G13/00D04H1/4374D04H1/74D04H1/06B32B5/022B32B5/028B32B5/06B32B7/12B32B2250/20B32B2262/0276B32B2262/101B32B2262/106B32B2307/40B32B2307/50B32B2605/08Y10T428/23993Y10T428/23929Y10T428/23964Y10T428/23957Y10T428/23979B32B5/26
Inventor 比吉特·赖特尔马丁·登策尔
Owner SGL AUTOMOTIVE CARBON FIBERS
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