초록 ▼

A woven dryer fabric A having a low fabric permeability characteristic is disclosed having multiple layers in which an intermediate layer includes cabled multi-filament weft elements (B) consisting of low-melt monofilament strands twisted together which are melted in the fabric to effect closure of

A woven dryer fabric A having a low fabric permeability characteristic is disclosed having multiple layers in which an intermediate layer includes cabled multi-filament weft elements (B) consisting of low-melt monofilament strands twisted together which are melted in the fabric to effect closure of the fabric mesh. In the weaving process, the cabled multi-filament weft elements have a softer texture which renders them more flexible and allows a more dense mesh count to provide for greater pre-melt void coverage. After melt, the multi-filaments become fused and flow into the void areas of the shed for more complete void coverage.

대표청구항 ▼

A method of constructing a woven fabric for a dryer section of a papermaking machine to provide a fabric having a desired low fabric permeability comprising: weaving a plurality of warp elements with a first plurality of weft elements to define a first fabric layer; weaving a second plurality of wef

A method of constructing a woven fabric for a dryer section of a papermaking machine to provide a fabric having a desired low fabric permeability comprising: weaving a plurality of warp elements with a first plurality of weft elements to define a first fabric layer; weaving a second plurality of weft elements with said warp elements to define a second fabric layer; weaving a third plurality of weft elements with said warp elements to define an intermediate fabric layer between said first and second fabric layers; selecting each said weft element of said third plurality of weft elements in said intermediate layer to be a cabled multi-filament element comprising a number of individual low-melt polymeric monofilament strands twisted together in spiraled undulations providing a soft texture for closer beating-up of said third plurality of weft elements in said intermediate layer of fabric during weaving; and heating said fabric and twisted low-melt monofilament strands of said cabled multi-filament elements woven therein causing said twisted low-melt monofilament strands of said cabled multi-filament elements to expand and more completely fill and occupy said shed spaced of said intermediate fabric layer to reduce the permeability of the fabric and provide a low permeability fabric characteristic.