The spiral chain element comprises a refined steel wire core (4) encased by a refined steel spiral (6). The steel wire and spiral are connected together at their two ends with a solid metal connection, eg using a precious metal solder. A medium flowing or soft flowing metal solder can be used.The two free ends of the core can each have a cylindrical precious metal element (7) fixed to the wire. Part of a closure element (11) can be detachably fixed to the protruding free ends of the cylindrical elements (7).
申请公布号
DE19516761(A1)
申请公布日期
1995.11.16
申请号
DE19951016761
申请日期
1995.05.06
申请人
HAAGA, BERNHARD, 71229 LEONBERG, DE;WAGENPFEIL-HAAGA, INKA, 71229 LEONBERG, DE