专利名称：Stentered, bonded, heat-t, non-woven fabric and process for producing same 发明人：Alan Selwood
申请号：US06/213119tpis
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申请日：19801204
公开号：US04342812A
妖精的眼公开日：
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属性为金的字19820803
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剑魔天赋摘要：A process for producing a non-woven fabric and fabric produced thereby, the process comprising (1) forming a stack of three or more superimpod fibrous shims, in at least one of the shims the fibres being oriented predominantly in a first direction, corresponding to the machine direction of the shim, and in at least one of the other shims the fibres being oriented predominantly in a cond direction, corresponding to the machine direction of the shim, which is inclined at an acute angle to an imaginary line which is orthogonal to the first direction, and in at least one of the other shims the fibres being oriented in a third direction, corresponding to the machine direction of the shim, which is inclined at an obtu angle to an imaginary line which is orthogonal to the first direction, (2) bonding the fibrous shims together, (3) subjecting the bonded fabric so formed to a stentered operation in a direction orthogonal to the first direction which caus the bonded shims to expand orthogonally to the first direction and to contract in the first direction, and (4) heat tting the bonded shims while they are being stentered.
申请人：IMPERIAL CHEMICAL INDUSTRIES LIMITED
代理机构：Scully, Scott, Murphy & Presr变压器是什么
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