METHOD AND APPARATUS OF COTTON WOOL ROLLS MANUFACTURE Russian patent published in 1994 - IPC

FIELD: medical engineering. SUBSTANCE: method provides for cotton wool strip formation, cutting it into pieces of definite mass and winding the cotton wool strip pieces into rolls. The cotton wool strip is pressed before its winding into rolls. Winding is made uniformly with adjustable density value made by peripheral and form rolling and butts rolling. Cotton wool strip winding into rolls is made with speed, that is close to speed of cotton wool strip formation. Apparatus has a forming cotton wool strip device, cutting cotton wool strip pieces dozing device and cotton wool strip pieces winding mechanism. The mechanism is made in the form of three driven supporting rollers, set one over another in the one vertical plane, and one driven pressing roller. All the rollers are kinematically engaged one with another. The pressing roller has a spring and is capable to swing. Middle rollers are covered with rubber. Upper supporting roller has a spring and adjustable stoppers. Cotton wool strip dozing mechanism has pressing rollers with regulated pressing force. EFFECT: method and apparatus are used in cylindrical form pieces winding and packing. 4 dwg