Static structures (e.g. – buildings) – Log wall-type construction
Patent
1979-07-25
1981-07-21
Ridgill, Jr, James L.
Static structures (e.g., buildings)
Log wall-type construction
52286, 52403, 52595, E04B 110
Patent
active
042791081
ABSTRACT:
Each log is provided with a tongue on the upper surface and a rectilinear groove in the lower surface thereof. The edges of the tongue are beveled so that upon insertion into a rectilinear groove elongated expansion chambers will be defined to halt the propogation of drafts between the mating surfaces of adjacent log courses. A check groove is provided at the bottom of each groove in the bottom of the log for the purpose of releasing tension in the log as it dries while the top surfaces of the log are completely free of grooves to prevent any accumulation of moisture or dirt which would lead to early decay. The corner joints have a truncated triangular configuration with the tongue portion of one log extending into the tongue portion of the other log so that the actual joint is surrounded and protected from the weather by the raised tongues on the top of the logs. A pair of vertical slots are formed in the end of one log which intersect the beveled edges of the tongue thereon and aligned vertical slots are located in the base of the recess formed in the other log. A pair of weather deflectors are inserted into each complimentary pair of slots to further seal the corner joint. A pair of compressable foam gasket strips extend along the top of each tongue and engage the corresponding gasket strips on the top of the intersecting log at the joint. A corrugated metal fastener is driven into the base of the main groove on the bottom of each log at a joint location to block off the check groove. The corrugated metal fastener will be aligned with a foam gasket to prevent the entry of air or moisture along the check groove at a corner joint. The ends of the logs at each butt joint are also provided with pairs of complimentary vertical grooves for the reception of vertical weather deflector strips and a pair of vertical recesses are disposed inwardly of each pair for the reception of foam gasket strips so that the end surfaces of the two logs will not be prevented from abutting each other.
REFERENCES:
patent: 2040110 (1936-05-01), Tahvonen et al.
patent: 3189950 (1965-06-01), Johnson
patent: 4154036 (1979-05-01), Moss et al.
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