Molded boat hull having in situ holes to accommodate through-hul

Details Molded boat hull having in situ holes to accommodate through-hul Molded boat hull having in situ holes to accommodate through-hul

1996-11-22

1998-05-26

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

114357, 249 63, 249134, 249142, 425468, 425DIG238, B29C 3376, B29C 3926, B63B 300

Patent

active

057560340

ABSTRACT:
A molded fiberglass-reinforced resin boat hull provided with in situ holes to accommodate through-hull fittings, such as a fitting adapted to receive a rudder post. The boat hull is molded on a female mold having locating holes drilled therein in registration with the holes to be formed in the hull. Anchored by a bolt locked in each locating hole is a plug of non-stick material which projects above the mold and has a configuration defining the hole to be formed in situ in the hull. Laid down on the female mold and surrounding the projecting plugs are the reinforcing fiberglass materials and flowable uncured resin for creating the hull. When the resin is cured, it is not bonded to the plugs and the plugs and their anchoring bolts are removed to expose the in situ holes. The finished hull is then withdrawn from the female mold.

REFERENCES:
patent: 1391988 (1921-09-01), Zents
patent: 1746696 (1930-02-01), Dows
patent: 3576050 (1971-04-01), Thomas
patent: 4157807 (1979-06-01), McCluskey
patent: 4248823 (1981-02-01), Bader et al.
patent: 4264389 (1981-04-01), Staub et al.
patent: 4998705 (1991-03-01), Cass
patent: 5071331 (1991-12-01), Falco
patent: 5223158 (1993-06-01), Lizenby

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