Invention Grant
US07901757B2 Molded plastic panel 有权
塑胶面板

Molded plastic panel
Abstract:
A molded panel for buildings is manufactured in a manner that permits the blocking tab along the upper edge of the panel to be molded in a position that is close to its final desired position. Pressure is applied to the locking tab as it cools, thereby bringing the locking tab into its final position.
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