MACHINE TOOL FOR BORING OUT TIMBER FLAWS AND FOR SEALING OFF HOLES Russian patent published in 1994 - IPC

FIELD: timber procession industry. SUBSTANCE: machine tool has a housing, spindle unit with a milling and boring spindles and an apparatus for sprinkling an adhesive. The milling spindle serves for making a plug from a strip and for knocking it in a bored hole. The boring spindle serves for boring out a flaw of the timber blank. Telescopic guards are mounted on sleeves of the spindles, being devices for removing chips. The telescopic guards have movable and stationary parts, the movable part has a suction off branch pipe. EFFECT: enhanced quality of dressing timber material. 1 cl, 7 dwg