Title:
空調ダクト装置
Document Type and Number:
Japanese Patent JP7039127
Kind Code:
B2
Abstract:
To improve strength of a crossing part of a first duct and a second duct in an air conditioning duct device.SOLUTION: In an air conditioning duct device 1, an annular outer circumferential nipple 40 is fitted into an outer circumference of an end part on a crossing side of a second duct 20, where the second duct 20 and a first duct 10 cross, and an annular inner circumferential nipple 30 is fitted into an inner circumference of the end part on the crossing side. Outer contact portions 42, 43, 44 projecting from a main body 41 of the outer circumferential nipple 40 are brought into contact with an outer face of a circumference of a communication hole 16c in the first duct 10, which communicates with the second duct 20. Inner contact portions 32, 33, 34 projecting from a main body 31 of the inner circumferential nipple 30 are brought into contact with an inner face of the circumference of the communication hole 16c.SELECTED DRAWING: Figure 6
Inventors:
Takatomo Murata
Takashi Kyoi
Masayuki Ogata
Takashi Kyoi
Masayuki Ogata
Application Number:
JP2017247962A
Publication Date:
March 22, 2022
Filing Date:
December 25, 2017
Export Citation:
Assignee:
Fujimori Sangyo Co., Ltd.
International Classes:
F24F13/02; F16L21/08; F16L25/00
Domestic Patent References:
| JP60180943U | ||||
| JP2006029680A |
Attorney, Agent or Firm:
Watanabe Noboru
Harada Thirty Yoshi
Harada Thirty Yoshi