FIELD: textiles, paper.
SUBSTANCE: proposed dewatering grid for manufacture of paper includes a reference grid, equipped on one its site with multi-level profile, having the form of the manufactured watermark, at that the said multi-layered profile is formed by perforated insert obtained by injection moulding, which serves to form the watermark.
EFFECT: manufacture of paper with multi-level watermarks of high degree of detailing.
76 cl, 20 dwg
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