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Device and method for processing a fibre compound structure

A technology of fiber compounding and processing methods, applied in the field of structures made of carbon fiber reinforced plastics, can solve the problems of difficult sealing of bell-shaped tops and membrane contact lines, and can not be applied, so as to achieve omission of downtime, small connection devices, and simple operation Effect

Inactive Publication Date: 2010-03-24
AIRBUS OPERATIONS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to reliably seal the line of contact between the bell-top and the membrane because overpressure creates a force that tends to drive the bell-top and the membrane away from each other.
Furthermore, this method cannot be applied in situations where it is not desirable to cover the repaired site with a foil or film

Method used

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  • Device and method for processing a fibre compound structure
  • Device and method for processing a fibre compound structure
  • Device and method for processing a fibre compound structure

Examples

Experimental program
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Embodiment Construction

[0041] In the drawings, unless a description to the contrary is given, the same reference signs designate the same or functionally same components.

[0042] figure 1 A schematic cross-sectional view of the connecting device 100 is shown in the state of connecting the initially uncured fiber layer 104 to the fiber composite component 102 . For this purpose, the fiber layer 104 has been arranged on the surface section 112 and has been covered by a pressure-tight membrane 108 , eg a vacuum foil or a rubber mat. The membrane 108 can also be formed by a part of a shell of a vacuum bag that completely surrounds the fiber composite component 102 .

[0043] The pressure caps 106 , 120 are arranged above a surface segment 112 formed by a flexible cap pad 106 , eg a rubber pad, and a rigid frame 120 extending along a border 107 of the cap pad 106 on its upper side. The frame 120 together with the border 107 of the cap pad 106 is pressed onto the fiber composite part 102 by screw clamp...

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Abstract

The present invention provides a connecting device (100).for connecting an unhardened fibre layer (104) which is arranged on a surface section (112) of a fibre compound structure (102) to the fibre compound structure. The connecting device comprises pressure cushion (390) comprising a pressure cap (120,308) for being arranged above the surface section and a pressure tight cap mat (106) which is pressure tightly connected to a circumferential border (107) of the pressure cap, thereby forming a pressure area which is limited by the pressure cap and. by the cap mat. The connecting device furthercomprises a pressure inducing means (302) for inducing an overpressure which presses the cap mat against the fibre layer into the pressure area. According to a further aspect the invention provides aprocessing method for processing a fibre compound structure.

Description

technical field [0001] The invention relates to a method for treating fiber composite structures, in particular structures made of carbon fiber reinforced plastic (CFRP). Furthermore, the invention relates to a connecting device for connecting an unhardened fiber layer to a fiber composite structure. Background technique [0002] Although applicable to any fiber composite structure, a more detailed description of the invention and its underlying problem relates to carbon fiber reinforced plastic components for aircraft structures. [0003] Aircraft components are increasingly being manufactured from fiber composite materials, especially carbon fiber reinforced plastics (CFRP), for reasons of weight reduction. They therefore consist of a laminate of layers of fibers which are connected to each other by means of a hardened resin matrix, in particular an epoxy resin matrix. According to conventional methods, in order to produce such parts, the multilayer impregnated fiber lay...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/20B29C73/32B29C73/12B29C48/76
CPCB29C66/82661Y02T50/43Y02T50/433B29C70/44B29C66/81455B29C73/32B29K2307/00B29C66/8266B29C73/12B30B5/02Y02T50/40B29C65/20B29C35/12B29C73/10B29K2307/04B29L2031/3076
Inventor 费利克斯卡斯帕·黑尔弗里希汉斯·马夸特
Owner AIRBUS OPERATIONS GMBH