Title:
ダクト切断装置
Document Type and Number:
Japanese Patent JP6810425
Kind Code:
B2
Abstract:
To provide a duct cut device which can easily cut a round duct without causing sparks at an installation site.SOLUTION: A duct cut device includes: an elongated beam 2; a leg body 3 supporting the beam 2; multiple rollers 4 which are disposed on the beam 2 and support a round duct 100 so that the round duct 100 can rotate around its axis; a hole punch device 5 which is disposed at the beam 2 and is pressed to the round duct 100 supported by the rollers 4 to form a start hole 100a at the round duct 100; and a cutter 6 which is disposed at the beam 2 and performs shirring to the round duct 100 to cut the round duct 100 with a blade 631 inserted into the start hole 100a.SELECTED DRAWING: Figure 2
Inventors:
Isamu Kajino
Takahiro Shoji
Takahiro Shoji
Application Number:
JP2017121723A
Publication Date:
January 06, 2021
Filing Date:
June 21, 2017
Export Citation:
Assignee:
Shinfuji Air Conditioning Co., Ltd.
Vantage Industry Co., Ltd.
Vantage Industry Co., Ltd.
International Classes:
B23D29/02; B23D21/00; B23D21/10
Domestic Patent References:
| JP3161213A | ||||
| JP4019008A | ||||
| JP6339773A | ||||
| JP6339770A |
Foreign References:
| US6619162 |
Attorney, Agent or Firm:
Harushima Shigetokiro