JP2004353445A5 - - Google Patents

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Publication number
JP2004353445A5
JP2004353445A5 JP2004190379A JP2004190379A JP2004353445A5 JP 2004353445 A5 JP2004353445 A5 JP 2004353445A5 JP 2004190379 A JP2004190379 A JP 2004190379A JP 2004190379 A JP2004190379 A JP 2004190379A JP 2004353445 A5 JP2004353445 A5 JP 2004353445A5
Authority
JP
Japan
Prior art keywords
check valve
primary side
valve
drainage
drainage pipe
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
JP2004190379A
Other languages
Japanese (ja)
Other versions
JP2004353445A (en
JP4056994B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004190379A priority Critical patent/JP4056994B2/en
Priority claimed from JP2004190379A external-priority patent/JP4056994B2/en
Publication of JP2004353445A publication Critical patent/JP2004353445A/en
Publication of JP2004353445A5 publication Critical patent/JP2004353445A5/ja
Application granted granted Critical
Publication of JP4056994B2 publication Critical patent/JP4056994B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (1)

縦配管或いは横配管である排水管の途中の隣接位置に常時閉止状態の逆止弁を設け、この逆止弁の一次側に通気弁を隣接させて設け、前記逆止弁は、排水管内の負圧に対して弁体を解放する程度の付勢力で一次側に弾発付勢されていることを特徴とする排水用通気装置。 Vertical piping some have the check valve of the normally Toki閉 stopped state provided in the middle of the adjacent positions of a horizontal pipe drainage pipe, provided the vent valve is neighbor to the primary side of the check valve, the check valve Is a ventilating device for drainage, which is elastically biased to the primary side with a biasing force that releases the valve element against the negative pressure in the drainage pipe .
JP2004190379A 2001-05-28 2004-06-28 Drainage vent Expired - Lifetime JP4056994B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004190379A JP4056994B2 (en) 2001-05-28 2004-06-28 Drainage vent

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001158450 2001-05-28
JP2004190379A JP4056994B2 (en) 2001-05-28 2004-06-28 Drainage vent

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2002154191A Division JP3611829B2 (en) 2001-05-28 2002-05-28 Drainage vent

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2007158848A Division JP4131872B2 (en) 2001-05-28 2007-06-15 Drainage vent
JP2007241156A Division JP4184416B2 (en) 2001-05-28 2007-09-18 Drainage vent

Publications (3)

Publication Number Publication Date
JP2004353445A JP2004353445A (en) 2004-12-16
JP2004353445A5 true JP2004353445A5 (en) 2005-09-15
JP4056994B2 JP4056994B2 (en) 2008-03-05

Family

ID=34066774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004190379A Expired - Lifetime JP4056994B2 (en) 2001-05-28 2004-06-28 Drainage vent

Country Status (1)

Country Link
JP (1) JP4056994B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5133613B2 (en) * 2007-06-21 2013-01-30 アロン化成株式会社 Pipe fittings for vent pipe connection
JP5023105B2 (en) * 2009-06-16 2012-09-12 前澤化成工業株式会社 Vent pipe fittings

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