Title:
レベルワウンドコイルおよびレベルワウンドコイルの製造方法ならびにレベルワウンドコイル巻き解き方法
Document Type and Number:
Japanese Patent JP6648924
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a level wound coil not generating a deficiency on a metal pipe such as breakage, deformation, hollow or scratch, even by unwinding by ETS method.SOLUTION: There is provided an aligned multilayer wound body of one metal pipe, having a hollow conical trapezoid shape in which an outer diameter Do1 of one side end part in the axial direction is larger than an outer diameter Do2 of the other side end part in the axial direction, and a distance L1 in the radial direction from the inner peripheral surface to the outer peripheral surface is constant, and in which a position of the metal pipe on the one side end part in a wound layer of the first layer from the inside, or a position of the metal pipe 1 on the other side end part in the wound layer of the first layer from the inside is a winding start part.SELECTED DRAWING: Figure 1
Inventors:
Tomoyuki Hayashi
Takashi Kanaya
Hiroaki Takada
Takashi Kanaya
Hiroaki Takada
Application Number:
JP2015234376A
Publication Date:
February 14, 2020
Filing Date:
December 01, 2015
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
B65H49/02; B65H55/02
Domestic Patent References:
| JP2002370869A | ||||
| JP11123456A | ||||
| JP5132227A | ||||
| JP62126083A | ||||
| JP2011068497A |
Attorney, Agent or Firm:
Keigo Murakami
Masuo Oiwa
Kenji Yoshizawa
Takenaka Ikuo
Masuo Oiwa
Kenji Yoshizawa
Takenaka Ikuo