Log of Natural Taper for Prefabricated Structures (Patent No: 918882)

Inventor: Crossley, Desmond I.

Location: Hinton

Comments: see History of Hinton; biographical information; b 1910 Lloydminster; MA Forestry; RCAF navigator until 1945; original engineer and timber cruiser for the pulp mill; Forest Research Officer specializing in silvics and silviculture of lodgepole pine; 1955 Chief Forester with Northwestern Pulp and Power; developed process for log buildings used for the first time at the Jasper Park Lodge; main lodge designed by Spike McKerrnon, an Edmonton architect, and built by Vollow Construction

Description: CLASS 20-31.

Desmond I. Crossley, Hinton, Alberta, Canada. Granted to Maskuta Properties Ltd., 247, Hinton, Alberta, Canada. Application No. 075,685, filed Feb. 24, 1970.
5 Claims.

A log for prefabricated structures having upper and lower machined surfaces and non-machined side surfaces. The upper and lower machined surfaces are, respectively, of convex and concave configurations to prevent ingress of water and to obviate dust catching shelves when similarly machined logs are superimposed. A throat portion may be provided in the log for use in the formation of a lock joint.