Importance

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Abstract

A felt, especially for the press part of a papermaking machine, comprises at least one support belt and at least one fiber belt deposited on and affixed to it. In order to impart to such a felt improved operational properties while retaining adequate transverse stability and in order to manufacture it at substantially lower cost, the support belt(s) 45, 50, 57, 58, 64, 71, 72 each are composed of at least one support-belt strip 46, 51, 52, 59, 60, 65, 66, 73, 74, 75 with a width less than that of the support belt(s) 45, 50, 57, 58, 64, 71, 72 , said strip(s) being continuously wound essentially in the direction of advance of the felt 42, 47, 53, 61, 67 and also spirally transverse to it. Basically manufacture is carried out by means of the following method steps: a) first a belt of material is manufactured, b) at least one support-belt strip 46, 51, 52, 59, 60, 65, 66, 73, 74, 75 is affixed to the belt of material and evinces a width less than that of the finished felt 42, 47, 53, 61, 67, c) the belt of material is displaced in the direction of advance, d) the first support belt 45, 50, 57, 58, 64, 71, 72, and where called for other support belts 45, 50, 57, 58, 64, 71, 72, is constructed by means of a relative motion between the particular support-belt strip 46, 51, 52, 59, 60, 65, 66, 73, 74, 75 and the already built-up part 41 of the felt 42, 47, 53, 61, 67 spirally and transversely to the direction of advance of the belt of material, e) each support belt 45, 50, 57, 58, 64, 71, 72 is connected to at least one fiber belt 43, 44, 48, 49, 54, 55, 56, 57, 62, 63, 68, 69, 79.

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First Claim