DEVICE OR WORKING PART SYSTEM CONTAINING SUCH ACCESSORIES OR WORKING PARTY, METHOD OF MANUFACTURING SUCH ACCESSORIES OR WORKING PART AND METHOD FOR FORMING THE PULP STOCK PRODUCT

摘要

FIELD: moulding.;SUBSTANCE: device or workpiece is provided for use in the process of molding a pulp stock product. Tool or working part for use in the process of molding a pulp stock, at that the device or working part comprising a self-supporting wall having a working surface, intended for contacting the product, and a back surface located on the side of the wall opposite the work surface, wherein the said wall is provided with pores, that are formed by a combination of channels penetrating the wall from its working surface to its rear surface, said channels being straight, or curved, but with no more than one inflection point, the working surface having a flat part, a convex part and a concave part. In the convex and concave parts of the working surface, the porosity of the wall is greater, than in the flat part of the working surface, the working surface has a pair of substantially flat portions disposed with respect to each other at an angle of 45 to 135°, while that of these two flat parts, that during the main working operation is performed by the proposed device or working part, takes the largest angle with respect to the horizontal plane, has a greater porosity than the other flat part.;EFFECT: proposed a device or working part is provided for use in the process of molding a pulp stock product.;16 cl, 13 dwg