JPH0469005U - - Google Patents
Info
- Publication number
- JPH0469005U JPH0469005U JP11171090U JP11171090U JPH0469005U JP H0469005 U JPH0469005 U JP H0469005U JP 11171090 U JP11171090 U JP 11171090U JP 11171090 U JP11171090 U JP 11171090U JP H0469005 U JPH0469005 U JP H0469005U
- Authority
- JP
- Japan
- Prior art keywords
- pass
- membrane
- allow air
- holes
- utility
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims 2
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
第１図は、本考案の断面図。第２図は、穴を複
数設けたときの断面図。第３図は、穴を複数設け
たときの平面図。 １は、空気を通しにくい膜、２は、空気を通し
やすい層、３は、穴。
数設けたときの断面図。第３図は、穴を複数設け
たときの平面図。 １は、空気を通しにくい膜、２は、空気を通し
やすい層、３は、穴。
Claims (1)
- 【実用新案登録請求の範囲】 １ 空気を通しにくい膜１の間に空気を通しやす
い層２を設け、空気を通しにくい膜に２箇所の穴
３を開けた換気装置（第１図）。 ２ 空気を通しにくい膜に複数の穴３を設けた実
用新案登録請求の範囲第１項記載の換気装置（第
２図）。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11171090U JPH0469005U (ja) | 1990-10-25 | 1990-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11171090U JPH0469005U (ja) | 1990-10-25 | 1990-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469005U true JPH0469005U (ja) | 1992-06-18 |
Family
ID=31859181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11171090U Pending JPH0469005U (ja) | 1990-10-25 | 1990-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469005U (ja) |
-
1990
- 1990-10-25 JP JP11171090U patent/JPH0469005U/ja active Pending