| 摘要 |
FIELD: packaging device for springs or units consisting of springs. SUBSTANCE: method for packaging spring unit 10 which consists of coil springs and is used in mattresses involves fixedly locating the first 26 and the second 28 webs of isolation material around upper and lower surfaces of spring item 10; folding longitudinal web edges around upper and lower coil springs and securing longitudinal web edges to web or adjusting longitudinal edges of the first and the second webs and securing these edges by ultrasonic welding, gluing or by another way; compressing spring units for unit volume reduction; packing spring units into rolls 60. EFFECT: reduced cost of spring packaging and loading due to possibility of isolation material webs utilization for mattresses production. 24 cl, 5 dwg |
