05108678 is referenced by 48 patents and cites 2 patents.

This invention relates to a fiber reinforced plastic sheet having a gradient layer structure wherein the number of reinforcing fibers continuously varies and a process for producing the same by spreading a mixture of the fibers different in the number of filaments over the traveling zone of a conveyor and then pressing it while it contains a resin. The fiber reinforced plastic sheet of the invention is excellent in smooth appearance, fluidity during molding to an article, fiber filling ability into a complex form portion of an article and mechanical strength and can be produced inexpensively.

Title
Process of making a fiber-reinforced plastic sheet having a gradient of fiber bundle size within the sheet
Application Number
7/515383
Publication Number
5108678
Application Date
April 27, 1990
Publication Date
April 28, 1992
Inventor
Yoshiaki Fujiwara
Tokyo
JP
Masato Hirasaka
Tokyo
JP
Agent
Sughrue Mion Zinn Macpeak & Seas
Assignee
NKK Corporation
JP
IPC
B27N 3/00
D01D 11/02
D01G 25/00
D04H 1/16
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