Process for manufacturing structures of composite material
US6565690B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2000 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Jan 22, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1002
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for manufacturing primary structures of composite material with curing in a female tool, comprising the steps of laminating superimposed composite material layers in a pre-impregnated state; placing the obtained laminate over a forming tool, loading the assembly of the laminate and forming tool in a vacuum bell and applying a pre-established forming operation, loading the formed laminate, still in a green state, in a female tool suitable for its curing, placing lateral caul plates in the tool and inserting elastomeric pipes in channels of the caul plates, fitting a central caul plate, sealing the assembly and applying a vacuum bag with perforations to remove the air from its interior. The assembly is cured in an autoclave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.