E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
E06B 3/26 (2006.01) E06B 3/267 (2006.01)
Patent
CA 2103042
2103042 9318267 PCTABS00025 A frame member for a window or door comprises two extruded metal frame elements separated by a thermally insulating resin. The elements (10, 12) are interengaged initially in side-by-side relationship by respective co-operating lips (20 and 30) to define an upper channel (38) and a lower channel (40). A resilient tube (42) is then wedged into the channel (38) to retain the elements as a self-supporting assembly subsequent to which the assembly is inverted and a resin in liquid form is poured into the channel (40). After the resin has set the tube (42) is removed and the channel (40) is "de-bridged" by cutting out a part of its base so that the elements (10 and 12) are connected only by the thermally insulating set resin (44). The invention enables use of metal frame elements having surface finishes and/or colours which differ from one another.
Bkl Extrusions Limited
Ridout & Maybee Llp
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