Post-Fitting Shield Member, Shielded Wire, Manufacturing Method of Shielded Wire, and Manufacturing Method of Post-Fitting Shield Member

Patent metadata

Field	Value
Publication number	US-2019164671-A1
Application number	US-201816196468-A
Country	US
Kind code	A1
Filing date	Nov 20, 2018
Priority date	Nov 28, 2017
Publication date	May 30, 2019
Grant date	—

Abstract

A post-fitting shield member to be post-fitted with an electric wire is a plated fiber bundle wound in coil form and formed by performing metal plating on a high-strength fiber member. A manufacturing method of a shielded wire consists of an insertion step of inserting an electric wire into the post-fitting shield member having a coil shape; a first fixing step of fixing one end portion of the post-fitting shield member into which the electric wire was inserted in the insertion step; an expansion step of expanding the post-fitting shield member that was fixed in the first fixing step toward the side of its other end portion; and a second fixing step of fixing the other end portion of the post-fitting shield member that was expanded in the expansion step.

First claim

What is claimed is:

1 . A post-fitting shield member to be post-fitted with an electric wire comprising:
a plated fiber bundle with metal plating on a high-strength fiber member, wherein the plated fiber bundle is wound in a coil shape.

2 . The post-fitting shield member according to claim 1 , wherein the plated fiber bundle is thin and flat, and has a flat surface being one of an upper surface and a bottom surface in a thick direction of the plated fiber bundle, the flat surface facing a center line of the coil shape.

3 . The post-fitting shield member according to claim 1 , wherein in state that the plated fiber bundle is wound on the electric wire spirally, d 2 ={(πD) 2 +P 2 }/π 2 is satisfied,
where d is an inner diameter of the plated fiber bundle,
D is an outer diameter of the electric wire, and
P is a pitch P after the post-fitting shield member is post-fitted with the electric wire.

4 . A shielded wire comprising:
the post-fitting shield member according to claim 1 ; and an electric wire which is inserted in the post-fitting shield member having the coil shape, wherein the post-fitting shield member is in a state that it is elongated so as to be longer than its natural length and wound on the electric wire spirally.

5 . The shielded wire according to claim 4 , wherein TN/πD≥0.5 is satisfied,
where T is the width of each plated fiber bundle,
N is the number of plated fiber bundles, and
D is the outer diameter of the electric wire.

6 . A manufacturing method of a shielded wire comprising:
an insertion step of inserting an electric wire into the post-fitting shield member according to claim 1 having the coil shape; a first fixing step of fixing one end portion of the post-fitting shield member into which the electric wire was inserted in the insertion step; an expansion step of expanding the post-fitting shield member that was fixed in the first fixing step toward a side of another end portion of the post-fitting shield member; and a second fixing step of fixing the other end portion of the post-fitting shield member that was expanded in the expansion step.

7 . A manufacturing method of a post-fitting shield member comprising:
a plating step of performing metal plating on a high-strength fiber member; a heat treatment step of winding a plated fiber bundle obtained by the plating step into a coil shape and subjecting the wound plated fiber bundle to heat treatment of a prescribed temperature or higher and a prescribed time or longer; and a cooling step of cooling the wound plated fiber bundle as subjected to the heat treatment.

Assignees

• Yazaki Corp

Inventors

• Handa Yutaka
• Kondo Hiroki
• Hongo Satoko

Classifications

• H01B13/22 Primary

  Sheathing; Armouring; Screening; Applying other protective layers (H01B13/32 takes precedence) · CPC title

• H01B13/0036

  Details · CPC title

• H01B13/008

  for manufacturing extensible conductors or cables · CPC title

• H01B13/0016

  for heat treatment · CPC title

• H01B7/226

  Helicoidally wound metal wires or tapes · CPC title