Resin composition and fibrous material forming mold
US6013714A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 19, 1997 |
| Grant date | Jan 11, 2000 |
| Priority date | — |
| Expiry date | Sep 19, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Process for the manufacture of a mold for making products from fibrous materials by performing a combination of steps of PA1 (1) applying a thin layer of resin on a supporting stage PA1 (2) selectively irradiating the thin layer of resin as to cure a selected part of said resin PA1 (3) applying a further thin layer of resin, and repeating steps (2) and (3) as to obtain a three dimensional shape of a plurality of cured layers, optionally combined with either one of the steps of washing and post-curing the three dimensional shape, as to obtain the mold, wherein the resin ocmpositiona is formulated from constituents comprises at least one photoreaction monomer at least one photoinitiator at least one filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.