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    • 2. 发明授权
    • Method and apparatus for making an elastomeric laminate web
    • 用于制造弹性体层压材料网的方法和装置
    • US5964973A
    • 1999-10-12
    • US10456
    • 1998-01-21
    • Mark Gordon HeathJames Louis CahallTimothy Alan FrenchEric Donald JohnsonMichael A Snyder
    • Mark Gordon HeathJames Louis CahallTimothy Alan FrenchEric Donald JohnsonMichael A Snyder
    • B32B37/14B65H39/16B32B31/10B32B31/12
    • B32B37/144B65H39/16Y10T156/1052
    • The present invention provides a process for making an elastomeric web. Generally stated, the process includes moving a first web (26) along an appointed machine-direction (28) of the process, and delivering a plurality of elastomeric strands (30) moving along the machine-direction. The elastomeric strands (30) have been elastomerically stretch to an elongation of at least about 50 percent, and the plurality of elastomeric strands (30) have been laterally distributed along an appointed cross-direction (32) of the process. The elastomeric strands (30) are positioned at a spaced distance (34) from the first web (26), and an adhesive is applied to the elastomeric strands (30) and the first web (26) while the elastomeric strands are at the spaced distance (34) from the first web (26). A second web (36) is laminated to the first web (26) with the elastomeric strands (30) sandwiched between the first and second webs to provide an elastomeric laminate, composite web (24) attached together with the adhesive. The composite web (24) is allowed to elastomerically contract lengthwise by at least about 3 percent, and the composite web (24) undergoes a traverse winding into a roll.
    • 本发明提供一种制备弹性体网的方法。 一般说来,该方法包括沿着工艺的指定的机器方向(28)移动第一纤维网(26),以及输送沿机器方向移动的多个弹性体股线(30)。 弹性体股线(30)已经弹性地拉伸至至少约50%的伸长率,并且多个弹性线股(30)沿着该方法的指定横向(32)横向分布。 弹性体股线(30)定位成与第一纤维网(26)间隔距离(34),并且将粘合剂施加到弹性体股线(30)和第一纤维网(26)上,同时弹性体股线处于间隔开 距离第一网(26)的距离(34)。 将第二纤维网(36)层压到第一纤维网(26)上,其中弹性体股线(30)夹在第一和第二纤维网之间,以提供与粘合剂附接在一起的弹性体层压板,复合纤维网(24)。 允许复合纤维网(24)纵向弹性收缩至少约3%,并且复合纤维网(24)经历横向卷绕成卷。