The pointed tip (24) of a sewing machine needle (14) is immersed in a liquid lubricant (37) as it reaches the lower end of its downward stroke through the material (22) being sewn, so as to coat the tip of the needle with a lubricant and reduce the friction and therefore the heat generated by the friction between the needle and the material being sewn.
申请公布号
DE2966271(D1)
申请公布日期
1983.11.10
申请号
DE19792966271
申请日期
1979.10.24
申请人
OPELIKA MANUFACTURING CORPORATION
发明人
BURTON, PERRY E.;BROCKLEHURST, CHARLES E.;GRIFFITH, WILLIAM C., JR.
