| abstract |
Manufacture of textile compound fabrics from elements (30, 31) capable of being interconnected by H.F. welding. The welding is enhanced by addition of plastic materials (5, 51, 52). These plastic materials are resistant to washing agents, cleaning agents, adhesives and have, under the action of a H.F. field, a polar as well as a substantially non-polar behaviour. The elements susceptible to receive the means enhancing the welding may and have to be modified as regards the shape, sections, arranged into a layer with respect to each other and subject to overpressures, to depressions, as well as to other physical, mechanical, chemical, pneumatic, hydraulic, electric and electronic actions, all of this being achieved in machines (I, II, 11, 12, 13, 14) specially designed for this purpose. The products obtained differ from those that are known by the presence in good order within said obtained products of bonding elements made from plastic material particles having a varied dielectric behaviour when they are subjected to an H.F. field. |