GLUED ROUND LOG AND METHOD OF ITS MAKING Russian patent published in 2012 - IPC B27B1/00 

FIELD: process engineering.

SUBSTANCE: proposed glued round log comprises central solid timber 1 and glued sides 4 shaped to log segments. Log central and lateral sides are jointed together along flat and/or shaped surfaces. Said Log central and lateral sides are glued together by adhesive layers over entire or partial contact area. Glued log top and bottom surfaces 5 have lengthwise location slot and mated stop lug. Lateral sides of glued lug are made of thermally modified timber and/or that of higher quality and resistance to atmospheric and/or biological effects. Geometrical parameters of lateral and central parts vary subject to diameter and required physical parameters of the log. In making glued log, first solid timber and sides shaped to log segments are made. Said lateral sides are jointed to central part along flat and/or shaped surfaces. First, lateral sides are dried and thermally modified. Then, contact surfaces are machined. Lateral sides are secured to central part. Glued log is subjected to finishing by milling or lathing.

EFFECT: glued rounded log.

5 cl, 4 dwg