Back to results
US 8,273,203 B2Granted
Method and apparatus for manufacturing prepreg sheet and prepreg sheet
AssigneeKYOCERA Corporation
InventorsMasaaki Harazono, Toshihiro Matsumoto
Life of this patent
Estimating the term…
Abstract
According to the present invention, a method for manufacturing a prepreg sheet includes steps of (A) forming a resin layer 61 on a surface of a supporter 3, (B) winding a reinforcing yarn 10 around the resin layer 61, and (C) embedding at least a part of the reinforcing yarn 10 in the resin layer 61. Preferably, in step (C), the surface of the supporter 3 is relatively moved towards the reinforcing yarn 10.
Claims14
A method for manufacturing a prepreg sheet, comprising:
- (A) forming a first resin layer on a surface of a supporter;
- (B) winding a first reinforcing yarn around the first resin layer;
- (C) embedding at least a part of the first reinforcing yarn in the first resin layer;
- (D) separating the first resin layer from the supporter;
- (E) placing a second resin layer on the first resin layer;
- and
- (F) applying heat and pressure to the first resin layer and the second resin layer,
- wherein the second resin layer comprises more filler than the first resin layer.
5 more elements
Dependencies are inferred from the claim text.