Allied Logic Corporation

Mark S White

Dennis Kovach

Rich Pignata

A method and apparatus is provided for controlling the reconfiguration of a moulded boat hull structure as it is cooled from its moulding temperature to ambient temperature. A dynamic cooling fixture is utilized having movable panels that support substantially the entire inner and outer hull surfaces during the entire cooling process. This results in the cooling of the hull in a manner which will be devoid of wrinkles, depressions, or other disadvantageous discontinuities.

Controlled cooling of moulded boat hull structure

An integrally moulded plastic boat hull structure is provided with a plurality of threaded inserts for securing associated boat components. Each of the threaded inserts is moulded into the boat hull structure through an intermediate insert which reinforces the hull and directs the localized forces away from the threaded insert to an enlarged boat hull region proximate the threaded insert. Where the boat hull is formed of low density polyethylene, the intermediate reinforcement member will be formed of a higher density polyethylene, to provide both a structural and molecular bond in the moulded hull. By reinforcing the location of the threaded insert and spreading its lead over a greater region, a highly localized stress point is avoided.

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Durham, NC, United States of America

Mark S White