JPS6469886A - Ventilating duct - Google Patents
Ventilating ductInfo
- Publication number
- JPS6469886A JPS6469886A JP62227706A JP22770687A JPS6469886A JP S6469886 A JPS6469886 A JP S6469886A JP 62227706 A JP62227706 A JP 62227706A JP 22770687 A JP22770687 A JP 22770687A JP S6469886 A JPS6469886 A JP S6469886A
- Authority
- JP
- Japan
- Prior art keywords
- film
- main body
- air
- dotted line
- impermeable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Duct Arrangements (AREA)
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
PURPOSE: To provide an air duct which can uniformly release the air by covering an impermeable film on the outer surface of a main body made of permeable materials and formed in a pipe shape, and arranging a dotted line in the film. CONSTITUTION: A main body 1 is formed in a pipe shape and is made of permeable materials, and it functions as a heat insulator while an air is ventilated into the inner space. An impermeable film 2 is covered on the whole outer surface of the main body 1. The film 2 is impermeable and a dotted line 3 is formed in it. At least one end of the film 2 closer to the dotted line 3 is not adhered to the main body 1 and becomes a free end 4. This free end 4 functions as a valve to release the air of the area into the outer space.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62227706A JPH0735869B2 (en) | 1987-09-10 | 1987-09-10 | Ventilation duct |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62227706A JPH0735869B2 (en) | 1987-09-10 | 1987-09-10 | Ventilation duct |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6469886A true JPS6469886A (en) | 1989-03-15 |
JPH0735869B2 JPH0735869B2 (en) | 1995-04-19 |
Family
ID=16865073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62227706A Expired - Fee Related JPH0735869B2 (en) | 1987-09-10 | 1987-09-10 | Ventilation duct |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0735869B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021181760A (en) * | 2020-05-18 | 2021-11-25 | トヨタ紡織株式会社 | duct |
-
1987
- 1987-09-10 JP JP62227706A patent/JPH0735869B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021181760A (en) * | 2020-05-18 | 2021-11-25 | トヨタ紡織株式会社 | duct |
US12055118B2 (en) | 2020-05-18 | 2024-08-06 | Toyota Boshoku Kabushiki Kaisha | Duct |
Also Published As
Publication number | Publication date |
---|---|
JPH0735869B2 (en) | 1995-04-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |