Pressure-loaded panel and use for boat and container...

Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...

Reexamination Certificate

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C428S102000, C428S105000, C428S911000, C442S366000, C442S367000

Reexamination Certificate

active

06861119

ABSTRACT:
A substantially laterally pressure-loaded panel has a side aspect ratio of at least 1.5, is formed of at least two reinforcement layers of substantially unidirectional fibers. The predominant orientation of the fibers form an angle of between about ±55°-±75° (preferably about 60°) with the longer side of the panel, with about one-half of the layers having a positive (+) angle and about one-half a negative (−) angle, within the range. The panel preferably has about 60-100% of its thickness formed by the reinforcement layers. The panels can be used can be used in boat and/or shipbuilding structural panels, pressure-loaded tanks, pressure-vessels and other corresponding structures that are subjected to a lateral pressure load.

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