| 摘要 |
An improved structure for a dust-collecting fabric, which is fluffy and tough, is made by overlapping plural layers of continuous filaments longitudinally and obliquely in a staggered manner. The dust-collecting fabric is not subjected to a hot pressing process, and portions of the continuous filaments are connected to each other by resin to make the whole structure fluffier. The continuous filaments are made from polyester fibers or polypropylene fibers to increase their electrostatic attractive forces. With this arrangement, the strength of the entire structure is increased and the dust-collecting capacity is improved. Furthermore, both surfaces of the duct-collecting fabric can be used.
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