Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means between charger and mold to cut off flow of...
Reexamination Certificate
2003-10-30
2009-06-09
Daniels, Matthew J. (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means between charger and mold to cut off flow of...
C425S543000, C425SDIG022
Reexamination Certificate
active
07544055
ABSTRACT:
A method of resin transfer molding uses an open base mold filled with fiberglass material and a soft tool sealed over the base mold. A vacuum is applied to a vacuum chamber that surrounds the mold and communicates with the fiberglass material through vacuum conduits. Resin is injected into the closed mold and is drawn through the fiberglass material to the edge of the mold with the assistance of the vacuum. The soft tool is preferably a flexible sheet having an edge seal to connect to the base mold and a vacuum channel with a vacuum port that surrounds the mold. The injection head releasably connects to the soft tool and preferably uses a solenoid actuated injector to supply resin to the mold. The injection head can include a self sealing device to seal the injection port and a self cleaning mechanism for flushing resin from the interior chamber of the head.
REFERENCES:
patent: 1245233 (1917-11-01), Hynes
patent: 2140735 (1938-12-01), Clarke et al.
patent: 2806075 (1957-09-01), Gaubatz
patent: 3015227 (1962-01-01), Barber, Jr.
patent: 3695149 (1972-10-01), Eberhart
patent: 3985300 (1976-10-01), Pinney
patent: 4741364 (1988-05-01), Stoss et al.
patent: 4902215 (1990-02-01), Seemann, III
patent: 4942013 (1990-07-01), Palmer et al.
patent: 5152949 (1992-10-01), Leoni et al.
patent: 5187001 (1993-02-01), Brew
patent: 5665301 (1997-09-01), Alanko
patent: 5770243 (1998-06-01), Butterworth
patent: 5939013 (1999-08-01), Han et al.
patent: 6090335 (2000-07-01), McClure et al.
Blodgett Joe
Boyd Matthew
Crane Steve
Hill Rob
Krogman Johannes
Brunswick Corporation
Daniels Matthew J.
Fitch Even Tabin & Flannery
LandOfFree
Method of resin transfer molding and components for use... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of resin transfer molding and components for use..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of resin transfer molding and components for use... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4094251