Pultrusion with plastisol

Details Pultrusion with plastisol Pultrusion with plastisol

2005-10-18

2005-10-18

Aftergut, Jeff H. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S180000, C156S181000, C156S242000, C156S245000

Reexamination Certificate

active

06955735

ABSTRACT:
A pultrusion machine for forming a laminated composite with a predetermined profile and the product obtained. The apparatus comprises at least two spools for supplying elongated reinforcements. A collator receives the elongated reinforcements and arranges the reinforcements in layered relationship to form a layered elongated bundle. A supply member wets the layered elongated bundle with plastisol to form a wetted elongated bundle. The wetted elongated bundle is transported through a pultrusion die wherein the wetted layered bundle is molded into the predetermined profile. A converting apparatus cures, or converts, the wetted layered bundle into the layered composite. A particularly preferred embodiment is an extrusion comprising a reinforcing material wherein said reinforcing material comprises a fiber reinforced plastisol.

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Users Guide to RP Industrial Equipment, Fiberglass Pultruded Structural Shapes, Corrosion-Resistant Structures Committee of the Composites Institute, The Society of the Plastics Industry, Inc., Feb. 1988.

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