Reinforced chamber with a hollow cross section

Details Reinforced chamber with a hollow cross section Reinforced chamber with a hollow cross section

1996-11-14

1999-11-02

Friedman, Carl D.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Outside corner or peripherally bordered

522045, 527303, 527312, 49501, E06B 322, E04C 330

Patent

active

059747587

ABSTRACT:
The apparatus includes a hollow chamber, preferably made from a synthetic material, such as PVC or other plastic, with an insertable reinforcement piece suitable for connecting to window, door or other configurations, such as abutment and frame profiles. The reinforcement piece comprises a unitary rolled sheet metal with one or more screw channels within the reinforcement profile for a front face abutment screw connection. The reinforcement piece further includes at least one shank inwardly extending from the screw channel toward the opposite chamber wall. The reinforcement piece further includes a shank extending around the inner walls of the hollow chamber.

REFERENCES:
patent: 2190263 (1940-02-01), Gerland
patent: 4240235 (1980-12-01), Nawa
patent: 4894973 (1990-01-01), Over
patent: 4977722 (1990-12-01), Taylor
patent: 5036637 (1991-08-01), Biebuyck
patent: 5289659 (1994-03-01), Harrison

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