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Foamed tools

A tool and foam technology, applied in the field of foam tool molding composite materials, can solve problems such as limited application and difficult porosity

Inactive Publication Date: 2009-11-11
UMECO STRUCTURAL MATERIALS DERBY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In addition, the inherent porosity presents difficulties in applying non-atmospheric conditions, such as vacuum conditions, to materials molded thereon, which in turn presents application limitations.

Method used

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  • Foamed tools
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Examples

Experimental program
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Embodiment Construction

[0057] The present invention provides a tool 10 for forming a molded article, the tool 10 comprising a tool body 12 formed of a foam material, a resin material 14 on the tool body 12 and between the tool body 12 and the resin material 14 Elastomeric material 16 to inhibit migration of resin from the resin material into the tool body 12 .

[0058] As described herein, the present invention also provides methods of making tools, methods of using molded articles of the tools, and elastomeric materials for forming tools.

[0059] A particular application of the tool of the present invention is the formation or preparation of molded articles from curable resin composites. The materials have well-known favorable properties, generally of relatively light weight and high strength, which make them useful in the manufacture of materials used in a variety of industries such as the aerospace industry, the motor sports industry, the civil engineering industry and the automotive industry as...

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Abstract

The present invention relates to a tool (10) for use in forming moulded articles, the tool (10) comprises a tool body (12) formed of a foamed material, a resinous material (14) on the tool body (12) and elastomeric material (16) between the tool body (12) and resinous material (14) to inhibit the movement of resin from the resinous material into the tool body (12). The invention also provides a method of manufacturing a tool, a method of moulding articles using such a tool, and elastomeric material for use in forming a tool. One particular application of the tools of the present invention is in the formation or manufacture of moulded articles using curable, resinous composite materials.

Description

technical field [0001] The present invention relates to foam tools, in particular but not exclusively to tools comprising foamed carbon and / or glass materials and methods of molding composite materials using foam tools. Background technique [0002] Conventional carbon fiber tools for forming composite structures from curable composite materials (such as fiber reinforced resin materials) are prepared by machining the tool body or master form from synthetic epoxy, invar or steel, and then incorporating the epoxy A base low temperature curing carbon fiber prepreg is laminated and cured thereon so that the tool has a carbon skin that forms the surface on which the composite structure can be molded. Before the skin is cured, it is typically removed from the master and then post-cured away from the body to give the tool skin the desired glass transition temperature (Tg). [0003] This is mainly due to the different nature of the materials of the body or master and the skin, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/38B29C70/40
CPCB29K2707/04B29C70/44B29C33/3814B29C33/56B29C33/38B29C33/565B29K2821/00B29K2909/08Y10T428/249969Y10T428/249991Y10T428/249993B29C70/549B29C33/3828B29C33/3842B29C33/40B29C33/405B32B5/18
Inventor 托马斯·约瑟夫·科登马克·雷蒙德·斯蒂尔
Owner UMECO STRUCTURAL MATERIALS DERBY