John Roy Millett
Engineers at 7 St, Fort Worth, TX

License number
Colorado 23100
Issued Date
Jan 11, 1985
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
2824 W 7Th St #110, Fort Worth, TX 76107

Professional information

John Millett Photo 1

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
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.