JPS5891648U - Backflow prevention device - Google Patents

Backflow prevention device

Info

Publication number
JPS5891648U
JPS5891648U JP18853981U JP18853981U JPS5891648U JP S5891648 U JPS5891648 U JP S5891648U JP 18853981 U JP18853981 U JP 18853981U JP 18853981 U JP18853981 U JP 18853981U JP S5891648 U JPS5891648 U JP S5891648U
Authority
JP
Japan
Prior art keywords
prevention device
backflow prevention
membrane
view
slat
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
Application number
JP18853981U
Other languages
Japanese (ja)
Inventor
中野　健介
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP18853981U priority Critical patent/JPS5891648U/en
Publication of JPS5891648U publication Critical patent/JPS5891648U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第１実施例を示す断面図。第１′は本
考案の第１実施例の膜４の平面図。第２図は本考案の第
２実施例の膜４の平面図。第３図は本考案の第２実施例
の膜４の斜面図。 １・・・・・・管：２・・・・・・本体、３・・・・・
・受台、４・・・・・・膜、５・・・・・・ストッパー
、６・・・・・・切込。 補正　昭５７．　４．　１ 図面の簡単な説明を次のように補正する。 図面の簡単な説明 第１図は本考案の第１実施例を示す断面図。第１Ａ図は
本考案の第１実施例の膜４の平面図。第２図は本考案の
第２実施例の膜４の平面図。第３図は本考案の第３実施
例の膜４の斜面図。 １・・・・・・管、２・・・・・・本体、３・・・・・
・受台、４・・・・・・膜、５・・・・・・ストッパー
、６・・・・・・切込。FIG. 1 is a sectional view showing a first embodiment of the present invention. 1' is a plan view of the membrane 4 of the first embodiment of the present invention. FIG. 2 is a plan view of the membrane 4 of the second embodiment of the present invention. FIG. 3 is a perspective view of the membrane 4 of the second embodiment of the present invention. 1...Tube: 2...Body, 3...
・Base, 4...Membrane, 5...Stopper, 6...Notch. Correction 1984. 4. 1. The brief description of the drawing shall be amended as follows. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view showing a first embodiment of the present invention. FIG. 1A is a plan view of the membrane 4 of the first embodiment of the present invention. FIG. 2 is a plan view of the membrane 4 of the second embodiment of the present invention. FIG. 3 is a perspective view of the membrane 4 of the third embodiment of the present invention. 1...Tube, 2...Body, 3...
・Base, 4...Membrane, 5...Stopper, 6...Notch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 切込６をもった可撓性合成樹脂製の膜４とすのこ状又は
網状の受台３とで形成した逆流防止装置。A backflow prevention device formed by a flexible synthetic resin membrane 4 having notches 6 and a slat-like or net-like pedestal 3.
JP18853981U 1981-12-16 1981-12-16 Backflow prevention device Pending JPS5891648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18853981U JPS5891648U (en) 1981-12-16 1981-12-16 Backflow prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18853981U JPS5891648U (en) 1981-12-16 1981-12-16 Backflow prevention device

Publications (1)

Publication Number Publication Date
JPS5891648U true JPS5891648U (en) 1983-06-21

Family

ID=29992186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18853981U Pending JPS5891648U (en) 1981-12-16 1981-12-16 Backflow prevention device

Country Status (1)

Country Link
JP (1) JPS5891648U (en)

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