FIELD: process engineering.
SUBSTANCE: this invention discloses industrial cloth, conveyor belt or sleeve and method of their production. Industrial cloth is produced by helical coiling of polymer material strips and securing of adjacent sides of material strips with the help of ultrasound or laser welding. Said cloth can be perforated by appropriate process to render it air or water permeable.
EFFECT: said cloth can be perforated by appropriate process to render it air and/or water permeable.
32 cl, 14 dwg
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