JPS63149256U - - Google Patents

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Publication number
JPS63149256U
JPS63149256U JP4053587U JP4053587U JPS63149256U JP S63149256 U JPS63149256 U JP S63149256U JP 4053587 U JP4053587 U JP 4053587U JP 4053587 U JP4053587 U JP 4053587U JP S63149256 U JPS63149256 U JP S63149256U
Authority
JP
Japan
Prior art keywords
fluid
float
closed
specific gravity
nozzle
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
Application number
JP4053587U
Other languages
Japanese (ja)
Other versions
JPH0545399Y2 (en
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 filed Critical
Priority to JP1987040535U priority Critical patent/JPH0545399Y2/ja
Publication of JPS63149256U publication Critical patent/JPS63149256U/ja
Application granted granted Critical
Publication of JPH0545399Y2 publication Critical patent/JPH0545399Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

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

第１図はこの考案の断面図を示し、第２図はこ
の考案の実施例を示す斜視図である。 １：本体、２：広角ノズル、３：異径ニツプル
、４：フロート、５：ノズル導入口、６：とめピ
ン、７：流入口、８：主管、９：枝管、１０：汚
泥、１１：コンクリートホツパー。 FIG. 1 shows a sectional view of this invention, and FIG. 2 is a perspective view showing an embodiment of this invention. 1: Main body, 2: Wide angle nozzle, 3: Different diameter nipple, 4: Float, 5: Nozzle inlet, 6: Stop pin, 7: Inlet, 8: Main pipe, 9: Branch pipe, 10: Sludge, 11: Concrete hopper.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吹出しノズル２の導入口側５の、流体が流れる
通路に、流体よりも比重の小さいフロート４を閉
じ込め、流体とフロート４との比重の差によつて
、本体１に設けられた流入口７が、フロートによ
り閉じられる、流体の逆流を防止する事を特徴と
する逆流防止ノズル。 A float 4 having a smaller specific gravity than the fluid is confined in the passage through which the fluid flows on the inlet side 5 of the blow-off nozzle 2, and due to the difference in specific gravity between the fluid and the float 4, the inlet 7 provided in the main body 1 is closed. , a backflow prevention nozzle that is closed by a float and is characterized by preventing backflow of fluid.
JP1987040535U 1987-03-19 1987-03-19 Expired - Lifetime JPH0545399Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987040535U JPH0545399Y2 (en) 1987-03-19 1987-03-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987040535U JPH0545399Y2 (en) 1987-03-19 1987-03-19

Publications (2)

Publication Number Publication Date
JPS63149256U true JPS63149256U (en) 1988-09-30
JPH0545399Y2 JPH0545399Y2 (en) 1993-11-19

Family

ID=30854711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987040535U Expired - Lifetime JPH0545399Y2 (en) 1987-03-19 1987-03-19

Country Status (1)

Country Link
JP (1) JPH0545399Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005246272A (en) * 2004-03-05 2005-09-15 Kubota Corp Sand pumping apparatus and sand pumping method using sand pumping apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54142819U (en) * 1978-03-29 1979-10-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54142819U (en) * 1978-03-29 1979-10-03

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005246272A (en) * 2004-03-05 2005-09-15 Kubota Corp Sand pumping apparatus and sand pumping method using sand pumping apparatus

Also Published As

Publication number Publication date
JPH0545399Y2 (en) 1993-11-19

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