发明名称 DIE DEVICE AND METHOD OF MANUFACTURING SELF-SUPPORT TYPE OPTICAL FIBER CABLE
摘要 PROBLEM TO BE SOLVED: To provide a die device which can suppress resin pressure variation between neck part formation and slit formation while suppressing the waste amount of resin when providing slits intermittently in a length direction of a neck part, and also can suppress variation in shape and size of a cable.SOLUTION: A die device includes: a mouthpiece 40 provided successively with a main body part passage 42 forming a cable main body part, a neck part passage 43 forming a neck part, and a support wire part passage 41 forming a support wire; and a shutter 50 which can move in a direction orthogonal to the direction of succession of the main body part passage 42, neck part passage 43, and support wire part passage 41, and has a part with a first width SW1 and a part with a second width SW2 narrower than the first width SW1 in the direction of succession, a part of the neck part passage 43 being shielded with the part with the first width SW1 not to part the neck part passage 43 during neck part formation and the other part of the neck part passage 43 being shielded with the part with the second width SW2 to part the neck part passage 43.
申请公布号 JP2014109737(A) 申请公布日期 2014.06.12
申请号 JP20120264933 申请日期 2012.12.04
申请人 FUJIKURA LTD 发明人 TAKEDA DAIKI;OKADA NAOKI;YAMANAKA MASAYOSHI
分类号 G02B6/44 主分类号 G02B6/44
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