EP0045351A3 - Non-return valve for rectangular gas ducts - Google Patents

Non-return valve for rectangular gas ducts Download PDF

Info

Publication number
EP0045351A3
EP0045351A3 EP81103301A EP81103301A EP0045351A3 EP 0045351 A3 EP0045351 A3 EP 0045351A3 EP 81103301 A EP81103301 A EP 81103301A EP 81103301 A EP81103301 A EP 81103301A EP 0045351 A3 EP0045351 A3 EP 0045351A3
Authority
EP
European Patent Office
Prior art keywords
return valve
gas ducts
rectangular gas
rectangular
ducts
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
EP81103301A
Other languages
German (de)
Other versions
EP0045351A2 (en
EP0045351B1 (en
Inventor
Hans-Joachim Naber
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.)
NABER and CO KG
Original Assignee
NABER and CO KG
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 NABER and CO KG filed Critical NABER and CO KG
Publication of EP0045351A2 publication Critical patent/EP0045351A2/en
Publication of EP0045351A3 publication Critical patent/EP0045351A3/en
Application granted granted Critical
Publication of EP0045351B1 publication Critical patent/EP0045351B1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Ventilation (AREA)
EP81103301A 1980-08-06 1981-05-02 Non-return valve for rectangular gas ducts Expired EP0045351B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8021092U 1980-08-06
DE19808021092U DE8021092U1 (en) 1980-08-06 1980-08-06 BACKFLOW VALVE FOR RECTANGULAR VENTILATION CHANNELS, IN PARTICULAR DISTRIBUTION CHANNELS OR FLAT CHANNELS

Publications (3)

Publication Number Publication Date
EP0045351A2 EP0045351A2 (en) 1982-02-10
EP0045351A3 true EP0045351A3 (en) 1982-03-31
EP0045351B1 EP0045351B1 (en) 1985-04-10

Family

ID=6717825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81103301A Expired EP0045351B1 (en) 1980-08-06 1981-05-02 Non-return valve for rectangular gas ducts

Country Status (2)

Country Link
EP (1) EP0045351B1 (en)
DE (2) DE8021092U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5360372A (en) * 1989-05-02 1994-11-01 Gpac, Inc. Control system for doors of a negative air pressure enclosure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1326204A (en) * 1970-08-22 1973-08-08 Bloxvich Lock Stamping Reigisters for ducted warm air heating systems
GB2041514A (en) * 1979-02-05 1980-09-10 Kiparski H A wall box assembly for connection to the end of a flat ventilation duct

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901877A1 (en) * 1979-01-18 1980-07-31 Meissner & Wurst Automatic stop valve for gas main - has elastic hinging non return flap against downstream side of inserted frame

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1326204A (en) * 1970-08-22 1973-08-08 Bloxvich Lock Stamping Reigisters for ducted warm air heating systems
GB2041514A (en) * 1979-02-05 1980-09-10 Kiparski H A wall box assembly for connection to the end of a flat ventilation duct

Also Published As

Publication number Publication date
DE8021092U1 (en) 1980-11-06
DE3169791D1 (en) 1985-05-15
EP0045351A2 (en) 1982-02-10
EP0045351B1 (en) 1985-04-10

Similar Documents

Publication Publication Date Title
DE3363769D1 (en) Gas valve
GB2068511B (en) Valve
DE3171849D1 (en) Combined valve
GB2089004B (en) Valve
GB2124587B (en) Aerosol valves
DE3174327D1 (en) Stop valve
ZA802129B (en) Valve
GB2085555B (en) Valve
DE3164151D1 (en) Valves
GB2089943B (en) Valve
JPS5754789A (en) Valve
GB2090648B (en) Valves
JPS56160469A (en) Cross valve
GB2134626B (en) Globe valve
GB2085123B (en) Valve
GB2121520B (en) Gas valve means
GB2072307B (en) Solating valves
JPS5737161A (en) Antiregulating valve
DE3169791D1 (en) Non-return valve for rectangular gas ducts
GB2116851B (en) Gas regulator valve
GB2131126B (en) Operators for gas valves
GB2082289B (en) Valve
GB2076899B (en) Valve for aerosol can
GB2121156B (en) Gas valves
GB2121527B (en) Gas valves

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE DE FR GB NL

AK Designated contracting states

Designated state(s): BE DE FR GB NL

17P Request for examination filed

Effective date: 19820921

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): BE DE FR GB NL

REF Corresponds to:

Ref document number: 3169791

Country of ref document: DE

Date of ref document: 19850515

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19850531

Year of fee payment: 5

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19860531

BERE Be: lapsed

Owner name: NABER + CO. K.G.

Effective date: 19860531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19861201

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19870130

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19881118

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19901128

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19920303