E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/10 (2006.01) E04B 2/70 (2006.01)
Patent
CA 2557364
A log is provided that has a pair of oppositely directed faces, one of the faces having a pair of tongues separated by a channel and the other face having a pair of grooves separated by a ridge. The tongues, grooves, ridge and channel respectively are dimensioned so as to inter-engage when logs are placed one on top of another. The base of the channel is spaced from the end face of the ridge to accommodate a pair of seals that are maintained laterally spaced apart in the channel so as to define an air space therebetween. A thermal break is thus provided between the seals in the channel to inhibit conduction of heat through the seal.
Wrighman Robert A.
Wrighman Ronald A.
Blake Cassels & Graydon Llp
Wrighman Robert A.
Wrighman Ronald A.
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