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    • 22. 发明公开
    • Backing material for carpet underlay
    • RückenbeschichtungsmaterialfürTeppichunterlagen。
    • EP0318187A1
    • 1989-05-31
    • EP88310637.9
    • 1988-11-11
    • SCOTT & FYFE LIMITED
    • Tough, William Hamish
    • D04B21/14D04B23/10
    • D04B23/10D04B21/14D10B2503/041Y10T428/23979Y10T428/24033Y10T428/24455Y10T428/24669
    • A composite sheet material which is particularly useful as a backing material for carpet underlay is a stitched crepe paper sheet 5 with rows of projections 13 formed therein between parallel rows of stitches 10 by deforming the crepe paper sheet without puncturing the paper. The stitches 10 substantially restrict the extensibility of the crepe paper sheet 5 and the projections 13 are formed at a position in the crepe paper sheet 5 directly in line with the ends 11 of the stitches 10.
      According to the preferred method described, each projection 13 is in reality a depression between two projections formed in the opposite surface of the crepe paper sheet without puncturing the paper. In an alternative embodiment there is a pair of projections 13 formed in the crepe paper sheet 5 between adjacent rows of stitches 10.
    • 特别可用作地毯衬垫的背衬材料的复合片材是一种缝合的皱纹纸5,其中通过使绉纹纸变形而不刺穿纸,在平行的针迹线10之间形成有一排突起13。 针迹10基本上限制了绉纹纸5的延展性,并且突起13形成在绉纹纸5中与针迹10的端部11直接一致的位置。根据所述优选方法,每个突起13 实际上是形成在绉纹纸的相对表面上的两个突起之间的凹陷而不刺穿纸。 在替代实施例中,在相邻的针迹线10之间的起皱纸5中形成有一对突起13。
    • 23. 发明公开
    • Composite sheet material
    • 纺织替代品和工艺及其制备方法。
    • EP0224327A1
    • 1987-06-03
    • EP86308060.2
    • 1986-10-17
    • SCOTT & FYFE LIMITED
    • Tough, William Hamish
    • D04B23/10
    • D04H1/52D04B23/10D04H13/00D10B2503/041
    • In a method of producing composite sheet material by forming longitudinal rows of stitches 7 in a paper sheet material 1, the length of paper sheet material 1 used per stitch 7 is increased so that there is entrapped within each stitch 7 in each longitudinal row of stitches 7 a portion of paper sheet material 1 having a length greater than the length of the completed stitch 7. In consequence there are formed in the composite sheet material a longitudinal series of laterally extending corrugations, ridges or ribs 19 which, in the case of a crepe paper sheet material 22, constitute a gross crimp imposed without distortion of the crimps in the initial crepe paper sheet material 22.
      The increase in the length of the sheet material used per stitch may be effected by the action of the needles 9 of the stitching machine to withdraw a greater quantity of sheet material 1 or 22 from a feed roll or the increase in the length may be effected by positively overfeeding the sheet material 1 or 22 provide slack sheet material which is entrapped within the stitches 7 as a result of the needle action.
      The method of the invention may be used when producing composite sheet material by stitching through a plurality of sheets 23, 25 or 27, 28, 30 of sheet material. When there are a plurality of sheet materials the increase in length may be confined to only one or some of the sheet materials or may be provided in all the sheet materials.
      The paper sheet material may be either plain paper or crepe paper or when a plurality of sheet materials are used a pair of either plain or crepe or any combination thereof.