Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Outside corner or peripherally bordered
Patent
1987-01-12
1988-04-19
Bell, J. Karl
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Outside corner or peripherally bordered
52716, 403402, B60J 100
Patent
active
047380691
ABSTRACT:
A pair of angularly related interconnected steel trim elements having a mitre joint therebetween have a continuous layer of plastic material bonded upon one side of the trim elements. A corner connector reinforcement sheet of plastic material is positioned upon the plastic layer, spans the mitre joint and adjacent portions of the trim elements. A layer of adhesive upon one side of the connector sheet is in surface engagement with the plastic layer providing a rigid connection therebetween. The method of making a window frame trim assembly comprises bonding a layer of plastic material upon one side of a metallic strip, rolling its opposed longitudinal edges into transverse C-shape defining an elongated channel, cutting a series of spaced notches transversly of the channel through one edge and across to the other edge, defining a series of interconnected trim elements and successively bending adjacent trim elements into engagement closing the notches to form a series of spaced mitre joints. Additional steps include applying a layer of adhesive material to one side of a plurality of corner connector reinforcement sheet and successively applying a corner connector sheet into engagement with the plastic layer over and spanning the mitre joints and adjacent portions of the trim elements providing rigid connections at the mitre joints.
REFERENCES:
patent: 3756636 (1973-09-01), Jackson
patent: 4010573 (1977-03-01), Andrzejewski
patent: 4205470 (1980-06-01), Kapnek
patent: 4220681 (1980-09-01), Narita
patent: 4387128 (1983-06-01), Emms et al.
patent: 4516341 (1985-05-01), Jenkins
patent: 4685839 (1987-08-01), Plater et al.
Bell J. Karl
Riverside International Inc.
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