Filled shell devices and methods of manufacturing

Ships – Boats – boat component – or attachment – Hull construction

Reexamination Certificate

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Details

C114S039140, C441S065000, C441S074000

Reexamination Certificate

active

10781320

ABSTRACT:
A method of manufacturing an apparatus, such as a board, is provided where a shell is formed in a forming mold cavity and the shell is substantially filled with a core in a filling mold cavity that substantially prevents distortion of the shell during filling.

REFERENCES:
patent: 4116736 (1978-09-01), Sanson et al.
patent: 4423000 (1983-12-01), Teraoka
patent: 4551290 (1985-11-01), Mizell
patent: 4798549 (1989-01-01), Hirsch
patent: 5283028 (1994-02-01), Breezer et al.

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