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    • 7. 发明专利
    • Apparatus and method of manufacturing stretchable sheet
    • 装置和制造可拉伸片材的方法
    • JP2014108152A
    • 2014-06-12
    • JP2012262809
    • 2012-11-30
    • Kao Corp花王株式会社
    • SUGAYA SHUHEIIWASAKI ATSUSHIUMEKI YASUHIRO
    • A61F13/15A61F13/49
    • B26F1/20B26D1/405B26F3/10
    • PROBLEM TO BE SOLVED: To provide an apparatus and a method of manufacturing stretchable sheet, the apparatus including a projection for pressurizing to cut an elastic member, hardly causing chip/wear of the projection, and having capability of surely cutting the elastic member.SOLUTION: In a part of the circumferential direction R of the peripheral face of a first roll 5, there is formed a projection group 4P in which a plurality of projections 4 are arranged in a systematic pattern. Of the plurality of projections 4 comprising the projection group 4P, the foremost projection 4Q is situated in the foremost part in the rotating direction R1 of the first roll 5 and comes in the first contact with a composite sheet 10A. The foremost projection 4Q is such that the front end 41 in the rotating direction R1 of the apex 40 is a straight line 30 that is parallel to the rotary axis direction A of the first roll 5. Other projections 4 other than the foremost projection 4Q in the projection group 4P are such that the front end 41 in the rotating direction R1 of the apex 40 is a corner part 31 that is constituted of mutually intersecting two sides 42, 43, which intersect in both directions of the rotary axis direction A and the peripheral direction R.
    • 要解决的问题:为了提供可拉伸片材的制造装置和方法,该装置包括用于加压切割弹性构件的突起,几乎不引起突起的切屑/磨损,并且具有可靠地切割弹性构件的能力。 在第一辊5的周面的圆周方向R的一部分中,形成突起组4P,其中多个突起4以系统图案布置。 在包括投影组4P的多个突起4中,最前面的突起4Q位于第一辊5的旋转方向R1的最前部,并且与复合片10A进行第一次接触。 最前面的突起4Q使得顶点40的旋转方向R1上的前端41是与第一辊5的旋转轴线方向A平行的直线30.除了最初的突起4Q之外的其它突起4 突起组4P使得顶点40的旋转方向R1上的前端41是由相互交叉的两侧42,43构成的角部31,两侧42,43在旋转轴线方向A的两个方向和 周边方向R.