. Canadian forest industries 1901-1902. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. Log-Turning Device. Patentee : A. G. Campbell, Sherbrooke, Que., grant- ed 9th May, 1900 ; six years. Claim : In a log turning attachment for pulp wood barkers, a shaft held in suitable bearings, arms or brack- ets fastened to said shaft to form bearings for a shaft, to which wheels are fastened which revolve the blocks while being peeled. The combination of a frame, a bracket with stud fastened to said frame, an idler pulley made to revolve on said stud and a bo


. Canadian forest industries 1901-1902. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. Log-Turning Device. Patentee : A. G. Campbell, Sherbrooke, Que., grant- ed 9th May, 1900 ; six years. Claim : In a log turning attachment for pulp wood barkers, a shaft held in suitable bearings, arms or brack- ets fastened to said shaft to form bearings for a shaft, to which wheels are fastened which revolve the blocks while being peeled. The combination of a frame, a bracket with stud fastened to said frame, an idler pulley made to revolve on said stud and a box, cast or bolted to said frame, which forms a reservoir for oil, bearings for main driving shaft to which pulley and worm are at- tached, which latter meshes into worm gear and imparts motion to operating parts, Lumber Manufacture. Patentee : David Gilmour, Trenton, Ontario, granted ] ith May, 1900 ; six years. Claim : As an article of manufacture, lumber compos- ed of two tongued and grooved parts, the tongues hav- ing plain faces and the grooves having small lateral grooves, with the fibre of the tongues pressed laterally thereinto, substantially as described. inn Method of Manufacturing Lumber. Patentee : David Gilmour, Trenton, Ont.,, granted nth May, 1900; six years. Claim : The hereinfore described process ©f forming lumber composed of two parts tongued and grooved to fit each other, said process consisting in first applying glue or cement, placing the two parts together with the tongues and grooves interlocking, and afterwards pass- ing these parts so interlocked between heated rolls, longitu- dinally of the fibre of the lumber, and thus subjecting the parts to heat and pressure, successively from end to end, whereby the moisture is expelled, the surface condensed, and fiuished, and the parts united and welded together, substantially as described. S. W. Butterfield, of Three Rivers, Que., has also been granted a patent on a machine for removing the bark from slab


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectforests, bookyear1902