HIGH INSTALLATION PERFORMANCE BLOWN OPTICAL FIBRE UNIT, MANUFACTURING METHOD AND APPARATUS
    1.
    发明申请
    HIGH INSTALLATION PERFORMANCE BLOWN OPTICAL FIBRE UNIT, MANUFACTURING METHOD AND APPARATUS 审中-公开
    高安装性能黑色光纤单元,制造方法和设备

    公开(公告)号:WO2015079463A1

    公开(公告)日:2015-06-04

    申请号:PCT/IT2013/000335

    申请日:2013-11-29

    CPC classification number: G02B6/4438 G02B6/4433 G02B6/4464 G02B6/4486

    Abstract: It is disclosed an optical fiber unit for air-blown installations comprising a number of optical conductors (2), a first layer (3i) of resin material, a second layer (3o) of resin material radially outer to the first layer (3i) of resin material and a sheath (4) of a thermoplastic material, wherein said second layer (3o) of resin material has a Secant Modulus higher than a Secant Modulus of said first layer (3i) of resin material and wherein said sheath (4) of a thermoplastic material is over and in close contact with said second layer (3o) of resin material.

    Abstract translation: 公开了一种用于吹风装置的光纤单元,包括多个光导体(2),树脂材料的第一层(3i),第一层(3i)径向外侧的树脂材料的第二层(3o) 的树脂材料和热塑性材料的护套(4),其中所述树脂材料的第二层(3o)具有高于所述树脂材料的第一层(3i)的正割模数的切割模量,并且其中所述护套(4) 的热塑性材料与树脂材料的所述第二层(3o)紧密接触。

    OPTICAL CABLE WITH IMPROVED STRIPPABILITY
    2.
    发明申请
    OPTICAL CABLE WITH IMPROVED STRIPPABILITY 审中-公开
    光缆具有改进的剥离性

    公开(公告)号:WO2010105657A1

    公开(公告)日:2010-09-23

    申请号:PCT/EP2009/053059

    申请日:2009-03-16

    CPC classification number: G02B6/4495 G02B6/4433

    Abstract: It is disclosed an optical cable comprising a buffer tube(1) housing at least one optical fiber(2), a sheath (3) surrounding such buffer tube (1) and at least one longitudinal strength member (4) embedded in the sheath, in which at least one separation element (7) is provided between a portion of the outer surface of the buffer tube (1) and the inner surface of the sheath, laying in an axial plane (e) not containing the at least one strength member (4).

    Abstract translation: 公开了一种光缆,其包括容纳至少一个光纤(2)的缓冲管(1),围绕该缓冲管(1)的护套(3)和嵌入护套中的至少一个纵向强度构件(4) 其中至少一个分离元件(7)设置在缓冲管(1)的外表面的一部分和护套的内表面之间,铺设在不包含至少一个强度构件的轴向平面(e)中 (4)。

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