UNA MAQUINA PARA LA MANUFACTURA DE CONJUNTOS DE FIJACION Y,PARTICULARMENTE, CONJUNTOS DE TUERCA Y ARANDELA Y TORNILLO YARANDELA QUE ESTAN DESTINADOS A USARSE CONJUNTAMENTE.

摘要

1,229,922. Making metal fastener assemblies. FIRTH CLEVELAND FASTENINGS Ltd. 10 March, 1969 [16 March, 1968], No. 12869/68. Heading B3A. [Also in Division F2] A two-part metal fastener assembly comprising a screw-threaded part and a washer held together by an adhesive selected from the polyvinyl acetate group of synthetic resin adhesives is manufactured by a machine disclosed in Specification 1,229,923.