Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Outside corner or peripherally bordered
Patent
1989-05-01
1991-04-02
Safavi, Michael
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Outside corner or peripherally bordered
52209, E04C 238
Patent
active
050037471
ABSTRACT:
A rectangular window frame includes vertical jamb members rigidly connected by a head member and a sill member all formed from extrusions of rigid plastics material or vinyl. The jamb members include outer portions integrally connected to inner portions and the outer portions of the jamb members have welded mitered corner joints with the sill member and the head member. The inner portions of the jamb members have right angle end surfaces which abut the head and sill members to cover internal flash at the corner joints. The sill member has a sloping top wall which welds to internal walls of the jamb members, and the jamb and head members have inwardly projecting flanges which engage one side of an insulated glass unit retained by extruded glazing beads inserted into grooves within the frame members and a cross rail at the middle of the frame. A lower durometer or semi-rigid integral nailing flange projects outwardly from a peripheral recess formed within the frame.
REFERENCES:
patent: 2705415 (1955-04-01), Livesay
patent: 3184801 (1965-05-01), Fletcher
patent: 3269452 (1966-08-01), Pirozzi
patent: 4259813 (1981-04-01), Winner et al.
patent: 4428156 (1984-08-01), Malm et al.
patent: 4555868 (1985-12-01), Mancuso
patent: 4580366 (1986-02-01), Hardy
Aluminum Company of America
Safavi Michael
LandOfFree
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