Aggregate-based mandrels for composite part production and composite part production methods

a technology of aggregate-based mandrels and composite parts, which is applied in the direction of shaping conveyors, solid waste management, climate sustainability, etc., can solve the problems of complex and expensive tooling that is required for their fabrication, the initial limitation of composite components to secondary structures, and the complexity of performance requirements. , to achieve the effect of easy drying/curing, high precision and fast production of aggregate-based mandrels
US20090014919A1Inactive Publication Date: 2009-01-15ADVANCED CERAMICS MFG
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
ADVANCED CERAMICS MFG
Publication Date
2009-01-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method for forming a composite structure, using a mandrel that is later removed from the composite structure, involves production of a mandrel by depositing a particulate mixture, including an aggregate and a binder, into a mold and removing the mandrel from the mold. The mandrel may be treated while still in the mold by heating, curing with an agent, microwave energy, or by some combination thereof. Once finished, the mandrel can be used in manufacturing polymer and / or composite components. The mandrel can also be include materials that can be easily removed from the finished composite structure by water, shakeout, chemically dissolving, or by some combination thereof.
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Description

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application claims priority to U.S. Provisional Patent Application No. 60 / 949,765, filed on Jul. 13, 2007, the contents of which are incorporated herein by reference and made part hereof.FIELD OF THE INVENTION

[0002] The present invention relates to a process and method for producing composite parts. In particular, this invention relates to mandrels for the mass production of polymer or composite structures, and to processes and methods for forming such mandrels at sufficient rates for mass production.BACKGROUND OF THE INVENTION

[0003] Composite materials, such as fiber-reinforced composites, can be used to produce corrosion resistant and lightweight structures. “Composite material,” as used herein, refers to a material comprised of two or more separate materials, which may include a fiber or polymer binder or a combination of the two. The most common composites are normally comprised of a fiber (Glass, Kevlar, Carbon, etc) impregnated wi...

Claims

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