公开(公告)号：US3948709A

公开(公告)日：1976-04-06

申请号：US391752

申请日：1973-08-27

Applicant: Saburo Ida ,  Kuniharu Tobita

Inventor： Saburo Ida ,  Kuniharu Tobita

IPC: B29C55/00 ,  B05D1/26 ,  B05D3/12 ,  B29C41/00 ,  B29C47/88 ,  B29C49/00 ,  B29C55/02 ,  B29C55/04 ,  B29C55/20 ,  B29C61/00 ,  B29C15/00

CPC classification number: B05D1/40 ,  B05D7/04 ,  B29C47/0021 ,  B29C47/8845 ,  B29C47/886 ,  B29C55/026 ,  B29C55/20 ,  B05D3/12 ,  Y10T156/1023 ,  Y10T156/1041 ,  Y10T156/1044 ,  Y10T156/1737 ,  Y10T428/24537 ,  Y10T428/24612

Abstract: As a laminated film formed by continuously melt extruding an .alpha.-olefin polymer as a covering film on a traveling, continuous substrate film of an .alpha.-olefin polymer is being cooled by means of a cooling roll contacting the covering film side, pressing rolls are pressed against the laminated film on the substrate film side, along the lateral edge parts thereof, and toward the cooling roll thereby to cause local plastic deformation and thinning of the cover film, which has not fully solidified, due to elastic deflection without appreciably thinning the substrate film, and then the pressing rolls are retracted away from the laminated film, whereby thin-film regions for ensuring positive gripping by tentering clips for lateral stretching are formed along the lateral edge parts.

Abstract translation: 作为通过连续熔融挤出作为覆盖膜的α-烯烃聚合物形成的层压膜，通过与覆盖膜侧接触的冷却辊来冷却α-烯烃聚合物的移动的连续基材膜，压制辊被压制 相对于基板膜侧的层叠膜，沿着其侧边缘部分并且朝向冷却辊，由于弹性挠曲而导致未充分固化的覆盖膜的局部塑性变形和变薄，而不会使基板明显变薄 膜，然后将压辊从层压膜缩回，由此沿着侧边缘部分形成用于确保用于横向拉伸的拉幅夹具的正向夹持的薄膜区域。

公开(公告)号：US3568270A

公开(公告)日：1971-03-09

申请号：US3568270D

申请日：1968-11-05

Applicant: SABURO IDA ,  YOSHIO KOBAYASHI ,  MATSUJI HIRAOKA

Inventor： IDA SABURO ,  KOBAYASHI YOSHIO ,  HIRAOKA MATSUJI

IPC: B21D25/00 ,  B21D25/04 ,  D06C3/04

CPC classification number: B21D25/04 ,  B21D25/00 ,  Y10T24/44368

Abstract: A TENTER CLIP HAVING A BASE PLATE ON WHICH THE BORDER OF A STRIP TO BE CLIPPED IS PLACED AND A CLIP LEVER ROTATABLY PIVOTED TO THE CLIP BODY. THE CLIP LEVER CAN BE ROTATED IN SUCH A MANNER THAT THE LOWER END THEREOF IS BROUGHT INTO ABUTTING RELATIONSHIP TO THE BASE PLATE. THE LOWER END OF THE CLIP LEVER IS FORMED WITH A PLURALITY OF EDGES AT AN ANGULAR INTERVAL IN THE ROTATING DIRECTION OF THE LEVER AND AT DIFFERENT DISTANCES FROM THE FULCRUM POINT OF THE CLIP LEVER.