Building wall panels of hollow core construction

Details Building wall panels of hollow core construction Building wall panels of hollow core construction

2011-04-12

2011-04-12

Johnson, Christina (Department: 1742)

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

C264S260000, C264S261000, C264S271100, C264S279100, C264S319000, C264S333000, C052S309900, C052S793110

Reexamination Certificate

active

07922954

ABSTRACT:
Building wall panels having lightweight hollow core interiors include embodiments suitable for interior and exterior walls, for industrial, commercial or residential buildings, and for multi-story structures. Various methods for making these wall panels are disclosed, including the formation of cast gypsum firewall layers.

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