Patent ID: 6023895
Filing Date: 2000-02-15
Classification: E04B

Abstract:
A building having walls that include a plurality of generally horizontal cylindrical logs with upper, lower and side surfaces, said lower and upper surfaces having modified base and cap portions, respectively, to form an interface between adjacent logs, each of said interfaces comprising: a first modified log with a longitudinally extending base formed in the lower surface thereof, said base having a cross section including a major generally flat central base portion and a relatively narrow adjacent channel portion extending from said central base portion to each of said side surfaces, each channel portion including an inner channel wall forming an obtuse angle with said central base portion and an outer channel wall, said outer channel wall extending outwardly to the surface of said log and forming an acute angle and a tapered edge therewith; and, a second modified log disposed beneath said first log and generally parallel thereto, said second log having a longitudinally extending cap formed in the upper surface thereof, said cap having a cross section including a major generally flat central recess portion and a relatively narrow bead portion extending respectively from said central recess portion to each of said side surfaces, each bead portion having a bight formed with an outer bead wall extending outwardly to the surface of said second log, said bead portions being received in the respective channel portions of said first log.