Title:
地中ケーブル用自在割管
Document Type and Number:
Japanese Patent JP7280688
Kind Code:
B2
Abstract:
To easily connect divided pieces to each other, improve the workability, and have a simpler structure for a mold used during manufacturing.SOLUTION: A underground cable flexible split tube includes a main body tube 2 that is divided in the circumferential direction, and a concave portion 31 and a convex portion 32 formed in the divided pieces 2A and 2B of the main body tube 2, and the concave portion 31 is formed in a quadrangular shape in a plan view, and the convex portion 32 is formed in a spherical shape that is inscribed in the inner peripheral surface of the concave portion 31 in a plan view, and the divided pieces 2A and 2B are connected to each other in a state in which the concave portion 31 formed in one of the pair of divided pieces 2A and 2B and the convex portion 32 formed in the other divided piece 2B are engaged with each other.SELECTED DRAWING: Figure 3
Inventors:
Michihiro Shimizu
Application Number:
JP2018214597A
Publication Date:
May 24, 2023
Filing Date:
November 15, 2018
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
H02G9/06; F16L9/22; F16L21/00; F16L37/133; H02G1/06
Domestic Patent References:
| JP265031U | ||||
| JP265032U | ||||
| JP4324653Y1 | ||||
| JP377226U | ||||
| JP2004248367A | ||||
| JP2014233119A | ||||
| JP63303296A |
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi