Apparatus for and method of producing thick polymeric composites

Details Apparatus for and method of producing thick polymeric composites Apparatus for and method of producing thick polymeric composites

1997-05-22

1999-12-28

Weisberger, Richard

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156167, 156180, 264245, 264250, 264251, 264290, 264294, B29C 4322

Patent

active

060076550

ABSTRACT:
A method, apparatus, and pultruded product formed by adding resin coated fibers at each of successive heated dies having respectively larger die openings to build up a composite pultruded product in stages. Each successive pultruded layer is cured at an exterior surface by heat from the die wall and at an interior surface by heat from the cured product emerging from the previous heated die. By forming the pultruded product in layers, higher line speeds, and a higher quality product which is consistently cured throughout its cross-section are achieved. Hybrid composites can be produced by varying the fiber type and/or the resin type in one or more stages.

REFERENCES:
patent: 5026447 (1991-06-01), O'Connor
patent: 5593536 (1997-01-01), Kaiser

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