Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1994-04-25
1996-12-17
Nakarani, D. S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428246, 428251, 428253, 428261, 428284, 428285, 428286, 428298, 428302, 428341, B32B 526, B32B 528, B32B 712
Patent
active
055854559
ABSTRACT:
A composite reinforcement for use in pultrusion and other thermosetting manufacturing processes to produce products with smooth surfaces free of wrinkles and laps, methods of producing such a composite reinforcement and thermosetting polymer system products reinforced with the composite. Two or more layers of reinforcement material are bonded with powdered polyethylene or another appropriate polyolefin or polyethylene copolymer adhesive utilizing heat to produce a multi-ply composite reinforcement. This composite reinforcement can then be appropriately sheared, die cut or otherwise processed, if desirable, and thereafter used in pultrusion, cylinder winding, compression molding, open mold processing and other thermosetting manufacturing techniques with thermosetting resins in the final production process.
REFERENCES:
patent: 4491617 (1985-01-01), O'Connor et al.
patent: 4649077 (1987-03-01), Lauchenauer
patent: 5132167 (1992-07-01), Prato
Insert to COFAB Boat Book, Applications and Advantages of Weft Knitted Reinforcements in Boats, .COPYRGT.1986 Gulf States Paper Corporation.
Collins Kenneth D.
Pratt Billy D.
CollinsCraft Fiberglass Corp.
Nakarani D. S.
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