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    • 68. 发明专利
    • Method for manufacturing sheet fused body
    • 制造板材的方法
    • JP2013256109A
    • 2013-12-26
    • JP2013098113
    • 2013-05-08
    • Kao Corp花王株式会社
    • IMAI YASUJIHAMAMOTO SHINJIKOKUBO MAKOTOYANAJIMA TAKUO
    • B29C65/16A61F13/15A61F13/49A61F13/496
    • B29C66/431B29C65/1619B29C65/1648B29C65/1661B29C65/1696B29C65/7473B29C66/1122B29C66/137B29C66/71B29C66/723B29C66/72941B29C66/73921B29C66/83433B29C66/83435B29L2031/4878B29K2023/06B29K2067/003B29K2023/12
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a sheet fused body that has sealed edges in which the edges of a plurality of sheets are fused in a stacked manner, is excellent in the flexibility and the texture of the sealed edges, and also has practically sufficient fusion strength.SOLUTION: One surface of a belt-like sheet stack 10 (a diaper continuous body) in which a plurality of sheets are stacked is brought into contact with a support member 21 having light-passing sections 27 that allow laser light 30 to pass therethrough. Then, the belt-like sheet stack 10 in a pressurized state is irradiated with laser light 30 of a wavelength which is absorbed by the sheets constituting the sheet stack 10 and causes the heat generation of the sheets through the light-passing sections 27 from the support member 21 side, thereby dividing the belt-like sheet stack 10 into parts, and simultaneously, fusing the cut edges of the multiple sheets in the pressurized state generated by the division to each other in order to form sealed edges 4 (side sealed sections) in which the edges of the multiple sheets are fused in a stacked state.
    • 要解决的问题:为了提供一种片状熔融体的制造方法,其具有多个片材的边缘以堆叠方式熔合的密封边缘,密封边缘的柔性和质地优异, 具有足够的融合强度。解决方案:将多个片层叠的带状片叠10(尿布连续体)的一个表面与具有允许激光器的光通过部分27的支撑部件21接触 光30通过。 然后,对处于加压状态的带状片材叠片10照射由构成片材堆叠10的片材吸收的波长的激光30,并且通过来自光通过部分27的片材的热产生从 支撑构件21侧,从而将带状片材叠片10分割成多个部分,同时将由分割产生的加压状态的多个片材的切割边缘彼此熔合,以形成密封边缘4(侧密封部分 ),其中多个片材的边缘以堆叠状态熔合。