Production method for a pultruded article
US11192313B2 · kind B2 · utility
0Cited by
16References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2017 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Apr 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2307/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a pultruded article includes: a step in which an activation sheet having a sliding surface capable of sliding with the inner surface of a mold is arranged on the surface of an intermediate molded article comprising reinforcing fibers that are impregnated with a thermosetting resin and the intermediate molded article and the activation sheet are introduced into a mold together; and a step in which a pultruded article generated by heating and hardening the intermediate molded article in the mold is pultruded together with the activation sheet from the mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.