elastic fastening

基本解释

The utility model relates to a multi-function screwdriver, composed of a hollow rotary handle, a fastening nut, rotary bars and elastic clamps.
本实用新型是一种多功能螺钉旋具，由空心旋柄、拧紧螺母、旋杆、弹性夹组成，其特征在于旋杆上有弹性夹可以夹持被旋物；
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It is applicable for cutting of fastening tape, cotton tape, elastic band, plastic tape, zipper, casing, paper, flat cable, small wire, and metal sheet, etc.
适用于粘扣带、棉纱带、松紧带、塑胶带、拉链、套管、纸类、排线、小电线、金属薄片……等之定寸裁切使用。
Thermit welding and elastic fastening device can reduce the number of joints, overcome the thermal expansion and cold shrinkage of rails, and make the operation of traveling crane smooth and steady.
采用钢轨弹力紧固装置和钢轨铝热焊技术，减少钢轨接头，克服钢轨热胀冷缩带来的弊端，使得行车在钢轨上运行平稳可靠。