John Roy Millett
Engineers in Fort Worth, TX
License number
Utah 176988-2202
Issued Date
Nov 13, 1990
Expiration Date
Apr 30, 1994
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Fort Worth, TX
Professional information
Pultrusion Mandrel With Integral, Intercooled Resin Injector And Method Of Using The Same
US Patent:
5225020, Jul 6, 1993
Filed:
Aug 20, 1991
Appl. No.:
7/747548
Inventors:
John R. Millett - Fort Worth TX
Jose A. Munoz - Fort Worth TX
Jose A. Munoz - Fort Worth TX
Assignee:
W. R. Grace & Co.-Conn. - New York NY
International Classification:
B65H 8100
US Classification:
156180
Abstract:
An exemplary pultrusion mandrel of the invention comprises a first portion for arranging a fiber reinforcement substrate thereabout, a second portion having an elongated body and internal heater, and a resin injector system intermediate therebetween and having a plurality of resin injector ports integrally disposed at different angles for wetting inward surfaces of the substrate being formed. The mandrel is preferably used in conjunction with an external die. Also disclosed is an exemplary method for continuous pultrusion.