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    Preparation of heat shrinkable sheet
    6.
    发明专利
    Preparation of heat shrinkable sheet 失效
    热收缩板的制备

    公开(公告)号：JPS5979728A

    公开(公告)日：1984-05-09

    申请号：JP19053482

    申请日：1982-10-29

    Applicant: Fujikura Ltd

    Inventor： TSUJITA TERUYUKI ,  SUZUKI HIDEO ,  NAKANO KOUSAKU ,  ISHIZAKA YOSHIYUKI

    IPC: B29C51/00 ,  B29C61/06 ,  B29C61/10 ,  B29C63/00 ,  B29C63/40 ,  B29K105/02 ,  B29L7/00 ,  H02G1/14

    CPC classification number: B29C61/0616 ,  B29C61/10 ,  B29C63/40

    Abstract: PURPOSE:To stabilize heat-shrinkable properties and to enhance production efficiency, by fusion bonding a heat shrinkable layer constituting material and a fusion bonded layer constituting material while sending a high temp. heating medium into a pipe in such a state that a pair of ribs are pressed to the surface of the pipe. CONSTITUTION:After a fusion bonding layer constituting material 13 is wound around a pipe 10 in a necessary thickness, the circumferences of ribs 6 are pressed to mutually closely adhere a plate like protruded part 11, the fusion bonded layer constituting material 13 and a heat shrinkable layer constituting material 14. Subsequently, a high temp. heating medium is sent into the fluid passage 12 of the pipe to fusion bond the fusion bonded layer constituting material 13 while heating the same to a fusion bonding temp. In the next step, a low temp. heating medium is passed through the fluid passage 12 of the pipe 10 to cool both constituting materials 13, 14 through the pipe 10 to solidify the fusion bonded part and, upon the detachement from the pipe 10, a heat shrinkable sheet 3 having a fusion bonded layer 3a and a heat shrinkable layer 3b and having a specific configuration in the vicinity of a pair of the ribs 6 is obtained.

    Abstract translation: 目的：为了稳定热收缩性能并提高生产效率，通过在发送高温的同时将热收缩层构成材料和熔合层构成材料熔合粘合。 将加热介质加热成管，使得一对肋被压到管的表面上。 构成：将熔融粘合层构成材料13卷绕在必要厚度的管10上之后，肋6的周向被按压，以使板状的突出部11，熔接层构成材料13和热收缩性 层构成材料14.随后， 将加热介质送入管道的流体通道12中，将熔融粘合层构成材料13熔融粘合，同时将其加热至熔融粘合温度。 在下一步，低温 加热介质通过管10的流体通道12，以通过管道10冷却构成材料13,14，以固化熔融接合部分，并且在与管10分离时，具有熔接的热收缩片3 得到层3a和热收缩层3b，并且在一对肋6附近具有特定构造。

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