AU621522B2 - Butterfly valve - Google Patents

Butterfly valve

Info

Publication number
AU621522B2
AU621522B2 AU52228/90A AU5222890A AU621522B2 AU 621522 B2 AU621522 B2 AU 621522B2 AU 52228/90 A AU52228/90 A AU 52228/90A AU 5222890 A AU5222890 A AU 5222890A AU 621522 B2 AU621522 B2 AU 621522B2
Authority
AU
Australia
Prior art keywords
butterfly valve
butterfly
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.)
Ceased
Application number
AU52228/90A
Other versions
AU5222890A (en
Inventor
Toshiharu Tanaka
Takeshi Yamamoto
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.)
Tomoe Technical Research Co Ltd
Original Assignee
Tomoe Technical Research Co Ltd
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
Priority claimed from JP1081253A external-priority patent/JPH081267B2/en
Priority claimed from JP1989041766U external-priority patent/JPH0746846Y2/en
Priority claimed from JP1989076901U external-priority patent/JPH0317381U/ja
Priority claimed from JP1989085887U external-priority patent/JPH0752456Y2/en
Priority claimed from JP1257273A external-priority patent/JPH03119529A/en
Application filed by Tomoe Technical Research Co Ltd filed Critical Tomoe Technical Research Co Ltd
Publication of AU5222890A publication Critical patent/AU5222890A/en
Application granted granted Critical
Publication of AU621522B2 publication Critical patent/AU621522B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)
AU52228/90A 1989-03-31 1990-03-26 Butterfly valve Ceased AU621522B2 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP1-81253 1989-03-31
JP1081253A JPH081267B2 (en) 1989-03-31 1989-03-31 Butterfly valve
JP1-41766 1989-04-10
JP1989041766U JPH0746846Y2 (en) 1989-04-10 1989-04-10 Butterfly valve mounting positioning device
JP1989076901U JPH0317381U (en) 1989-06-29 1989-06-29
JP1-76901 1989-06-29
JP1-85887 1989-07-21
JP1989085887U JPH0752456Y2 (en) 1989-07-21 1989-07-21 Butterfly valve
JP1-257273 1989-10-02
JP1257273A JPH03119529A (en) 1989-10-02 1989-10-02 Optical information reproducing device

Publications (2)

Publication Number Publication Date
AU5222890A AU5222890A (en) 1990-10-25
AU621522B2 true AU621522B2 (en) 1992-03-12

Family

ID=27522204

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52228/90A Ceased AU621522B2 (en) 1989-03-31 1990-03-26 Butterfly valve

Country Status (3)

Country Link
KR (1) KR0168665B1 (en)
AU (1) AU621522B2 (en)
CA (1) CA2013164C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3737730B2 (en) * 2001-10-02 2006-01-25 Ｓｍｃ株式会社 Method for manufacturing fluid unit
KR20160126370A (en) 2015-04-23 2016-11-02 (주)티오피 Dual resealable butterfly vavle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213595A (en) * 1978-05-04 1980-07-22 Avm Corporation Butterfly valve
GB2161247A (en) * 1984-07-04 1986-01-08 Barry Philip Smith Butterfly valves
US4826133A (en) * 1987-08-17 1989-05-02 Georg Fischer Ag Seal arrangement for flap valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213595A (en) * 1978-05-04 1980-07-22 Avm Corporation Butterfly valve
GB2161247A (en) * 1984-07-04 1986-01-08 Barry Philip Smith Butterfly valves
US4826133A (en) * 1987-08-17 1989-05-02 Georg Fischer Ag Seal arrangement for flap valve

Also Published As

Publication number Publication date
KR0168665B1 (en) 1998-12-01
CA2013164A1 (en) 1990-09-30
CA2013164C (en) 1994-08-30
KR900014797A (en) 1990-10-25
AU5222890A (en) 1990-10-25

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired