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Machine for creating motifs on a non-woven material by water jet uses drum with surface slits and woven metal sleeve coated with nickel or copper
Machine for creating motifs on a non-woven material by water jet uses drum with surface slits and woven metal sleeve coated with nickel or copper
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机译:通过水刀在无纺布上制作图案的机器使用带有表面狭缝的鼓和涂有镍或铜的编织金属套
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摘要
The machine has a rotary drum (29) with its inside linked to a vacuum source, made with surface slits and covered by a permeable sleeve (30) made from a woven bronze, brass or copper fabric with a series of embossed motifs in high and low relief. The sleeve, which has an aperture ratio of 5 - 50 per cent, is coated with a layer of copper or nickel between 50 and 500 microns thick, applied by electro- deposition. The sleeve can be fitted over a perforated covering on the drum which has perforations of 1 - 5 mm diameter spaced with 2 - 6 mm between centers.
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