Manufacturing method of prefrom for composite material of automobile
US5693274A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1995 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Nov 13, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/506
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a manufacturing method of preform for composite material of automobile, in particular, to an economical and easy mass-production manufacturing method of preform including the steps of manufacturing a wet sheet by pouring a suspension prepared by adding inorganic binder, organic binder and cohesion agent to reinforced fiber, into vacuum suction equipment, and forming the sheet into a cylindrical shape with cylindrical press and deforming the sheet form before drying.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.