volute spring

1. Suitable for producing double twist spring, straight spring, pagoda-shaped draught spring, rectangular spring, wires with various shapes, volute spring and other special-shaped springs.
   用于生产双扭簧、形簧、塔拉簧、形簧、材成形、皮涡簧及各种花式簧、形簧等。
2. Volute spring series win outstanding new products special awards in2002 China General Machine Components Industry Association.
   涡卷弹簧系列荣获2002年中国机械通用零部件行业优秀新产品特等奖；

noun

1. a spring in the shape of a coil

   Synonym:    coil spring