Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1993-06-30
1994-12-13
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 466, 264DIG6, B29C 6720
Patent
active
053727630
ABSTRACT:
A method of making a boat includes the steps of forming an integral hull having a rear outer wall by applying successive layers of an outer smooth coating, resin and fibers to a female mold, and allowing the hull to cure, separately forming a rear inner wall by applying sucessive layers of an inner smooth coating, resin and fibers to a male mold and allowing the inner wall to cure, attaching the rear inner wall to the inside of the hull at a position spaced away from the rear outer wall, injecting a syntactic foam comprising a plurality of microspheres encapsulated in resin between the rear inner wall and the rear outer wall to form a core between them, which core bonds throughly to the inner and outer walls forming a strong, sandwich structure after the foam core cures.
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A. Earley John F.
A. Earley III John F.
C. C. Omega Chemical, Inc.
Kuhns Allan R.
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