Differential Feed Of Plural Workpieces Patents (Class 112/470.32)
  • Patent number: 9629754
    Abstract: A manufacturing apparatus for a composite sheet associated with an absorbent article including: a conveying mechanism that conveys continuously the continuous body of the sheet; and a guiding member that transports the continuous body of the elastic member, and that bonds the continuous body of the elastic member with the continuous body of the sheet, wherein the guiding member includes a drive roller that, while being contact with the continuous body of the elastic member, is driven and rotated along a transporting direction of the continuous body of the elastic member, and by changing a rotation speed of the drive roller, a stretching ratio of the continuous body of the elastic member is adjusted.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: April 25, 2017
    Assignee: UNICHARM CORPORATION
    Inventors: Noritomo Kameda, Shinichi Ishikawa
  • Patent number: 9157175
    Abstract: There is provided a fly sewing machine. A fly supply unit is configured to supply flies to a transfer passage. A fly transfer unit is configured to transfer and send the fly supplied by the fly supply unit toward the downstream side thereof. A chain feed unit is configured to feed a slide fastener chain onto the flies sent by the fly transfer unit. An auxiliary conveyance unit is configured to press the flies and the slide fastener chain which are overlapped by the chain feed unit from above or below, and to send the flies and the slide fastener chain toward the downstream side thereof. A sewing machine part is configured to stitch together the flies and the slide fastener chain sent by the auxiliary conveyance unit.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: October 13, 2015
    Assignee: YKK Corporation
    Inventors: Toshiaki Sawada, Yoshifumi Nakata