JPH0444569U - - Google Patents
Info
- Publication number
- JPH0444569U JPH0444569U JP8766690U JP8766690U JPH0444569U JP H0444569 U JPH0444569 U JP H0444569U JP 8766690 U JP8766690 U JP 8766690U JP 8766690 U JP8766690 U JP 8766690U JP H0444569 U JPH0444569 U JP H0444569U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- fluid
- valve
- bending
- check valve
- 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
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 6
- 239000012530 fluid Substances 0.000 claims 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Toys (AREA)
- Check Valves (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
正面図、第２図は第１図のＡ−Ａ線に沿う一部省
略拡大断面図、第３図は第１図のＢ−Ｂ線に沿う
拡大断面図、第４図は第１図のＣ−Ｃ線に沿う拡
大断面図、第５図は第１図のＤ−Ｄ線に沿う拡大
断面図、第６図は本逆止弁の一使用例を示す簡略
図、第７図は本考案の他の実施例の正面図である
。
符号の説明、１，２……プラスチツクフイルム
、４……流路の上方開口部、５……流路の下方開
口部、６……流路、６ａ，６ａ……分岐流路、７
……逆止弁本体、８……山形状の接着部、９……
接着部の頂部、Ｖ……逆止弁。
The drawings show an embodiment of the present invention; FIG. 1 is a front view, FIG. 2 is a partially omitted enlarged sectional view taken along line A-A in FIG. 1, and FIG. Fig. 4 is an enlarged sectional view taken along line B, Fig. 4 is an enlarged sectional view taken along line C-C in Fig. 1, Fig. 5 is an enlarged sectional view taken along line D-D in Fig. 1, and Fig. 6 is an enlarged sectional view taken along line D-D in Fig. 1. A simplified diagram showing an example of the use of the stop valve, and FIG. 7 is a front view of another embodiment of the present invention. Explanation of symbols, 1, 2...Plastic film, 4...Upper opening of channel, 5...Lower opening of channel, 6... Channel, 6a, 6a... Branch channel, 7
... Check valve body, 8 ... Mountain-shaped adhesive part, 9 ...
Top of adhesive part, V...Check valve.
Claims (1)
接着手段により所要巾の流体の流路を備えた扁平
な逆止弁本体を形成し、該流路の下方開口部の近
傍において、逆止弁本体に、頂部を該開口部側に
配置した山形状の接着部を設けて、該接着部によ
り斜め両外側に向う流体の分岐流路を形成したこ
とを特徴とする逆止弁。 (2) 流路内に、流体の流通方向において流体の
流入口側に向つて配置された先端側に折曲部を備
え且つ基端側に開放部を備えたプラスチツクフイ
ルムの二つ折り折曲片から成る折曲弁が挿設され
ており、この折曲弁の両側縁は流路の両側縁に夫
々接着されていて、上記折曲弁の折曲部により流
体の流出阻止用の閉塞部が形成されると共に、流
路の両内側面と折曲弁の両外側面との間に夫々形
成された間隙により流体の間隙流路が形成されて
いることを特徴とする請求項(1)に記載の逆止弁
。 (3) 山形状の接着部の頂部を流路内に介入させ
て分岐流路の巾を狭めたことを特徴とする請求項
(1)または(2)に記載の逆止弁。[Scope of Claim for Utility Model Registration] (1) A flat check valve body with a fluid flow path of a required width is formed by overlapping plastic films and heat bonding means, and the area near the lower opening of the flow path A non-return check characterized in that the check valve body is provided with a chevron-shaped adhesive part with the top disposed on the opening side, and the adhesive part forms a branch flow path for fluid diagonally outward on both sides. valve. (2) A bi-folded piece of plastic film with a bent part on the distal end and an open part on the proximal end, which is disposed in the flow path toward the fluid inlet side in the fluid flow direction. A bending valve consisting of the above-mentioned bending valve is inserted, and both side edges of the bending valve are adhered to both side edges of the flow path, and the bending part of the bending valve creates a blocking part for preventing fluid from flowing out. Claim (1) characterized in that a fluid gap flow path is formed by a gap formed between both inner surfaces of the flow path and both outer surfaces of the bending valve. Check valve as described. (3) A claim characterized in that the width of the branched flow path is narrowed by intervening the top of the mountain-shaped adhesive portion within the flow path.
The check valve described in (1) or (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8766690U JPH0639178Y2 (en) | 1990-08-21 | 1990-08-21 | Check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8766690U JPH0639178Y2 (en) | 1990-08-21 | 1990-08-21 | Check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0444569U true JPH0444569U (en) | 1992-04-15 |
| JPH0639178Y2 JPH0639178Y2 (en) | 1994-10-12 |
Family
ID=31820220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8766690U Expired - Lifetime JPH0639178Y2 (en) | 1990-08-21 | 1990-08-21 | Check valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639178Y2 (en) |
-
1990
- 1990-08-21 JP JP8766690U patent/JPH0639178Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0639178Y2 (en) | 1994-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |