PRELIMINARY OPENING ROLLER OF THE SPINNING FRAME FOR SPINNING IN FREE-END METHOD AND METHOD OF MAKING THE SAMEINY,RABOTAJUHHIJJ PO METODU SVOBODNOGO KONCA I SPOSOB IZGOTOVLENIJA VSTUPITEL'NOGO RAZRYKHLJAJUHHEGO VALIKA

摘要

The invention relates to the method of making a beater roll comprising a body and a saw tooth wire helically fitted to the surface of the body wherein the helical convolutions are in spaced relation and wherein a sealant is employed to seal repetitive gaps or spaces between the base of the wire and the smooth cylindrical surface of the beater roll, such repetitive spaces or gaps being caused by placing the set necessary to accommodate wire clothing to the cylindrical surface of a roll as used in open end spinning.