DE2806310C2 - - Google Patents

Info

Publication number
DE2806310C2
DE2806310C2 DE19782806310 DE2806310A DE2806310C2 DE 2806310 C2 DE2806310 C2 DE 2806310C2 DE 19782806310 DE19782806310 DE 19782806310 DE 2806310 A DE2806310 A DE 2806310A DE 2806310 C2 DE2806310 C2 DE 2806310C2
Authority
DE
Germany
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.)
Expired
Application number
DE19782806310
Other versions
DE2806310A1 (en
Inventor
Alfred 5820 Gevelsberg De Waletzko
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.)
Ecolab Engineering GmbH
Original Assignee
Lang Apparatebau GmbH
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 Lang Apparatebau GmbH filed Critical Lang Apparatebau GmbH
Priority to DE19782806310 priority Critical patent/DE2806310C2/de
Priority claimed from CH310578A external-priority patent/CH628383A5/en
Publication of DE2806310A1 publication Critical patent/DE2806310A1/en
Application granted granted Critical
Publication of DE2806310C2 publication Critical patent/DE2806310C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20Excess-flow valves
    • F16K17/22Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/32Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/10Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
DE19782806310 1978-02-15 1978-02-15 Expired DE2806310C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19782806310 DE2806310C2 (en) 1978-02-15 1978-02-15

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19782806310 DE2806310C2 (en) 1978-02-15 1978-02-15
CH310578A CH628383A5 (en) 1977-10-26 1978-03-21 Device for protection of drinking water pipes against rueckfliessendes process water.
AT198378A AT372448B (en) 1977-10-26 1978-03-21 Device for protection of drinking water pipes against water consumption rueckfliessendes
NL7803352A NL7803352A (en) 1977-10-26 1978-03-30 A device for the protection of drinkwaterlei- things against back-flowing used water.
FR7810025A FR2407302B1 (en) 1977-10-26 1978-04-05 piping protection installation of drinking water people brought against backflow of sewage
US05/954,545 US4249556A (en) 1977-10-26 1978-10-25 Isolating and backflow preventing valve assembly

Publications (2)

Publication Number Publication Date
DE2806310A1 DE2806310A1 (en) 1979-10-04
DE2806310C2 true DE2806310C2 (en) 1986-08-21

Family

ID=6031994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782806310 Expired DE2806310C2 (en) 1978-02-15 1978-02-15

Country Status (1)

Country Link
DE (1) DE2806310C2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849825C2 (en) * 1978-11-17 1984-05-10 Lang Apparatebau Gmbh, 8227 Siegsdorf, De
DE3221036C2 (en) * 1981-07-04 1985-01-31 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt, De
DE3243901A1 (en) * 1982-11-26 1984-05-30 Klaus Weber Pipe separator
DE3247325C2 (en) * 1982-12-21 1990-02-15 Gruenbeck Wasseraufbereitung Gmbh, 8884 Hoechstaedt, De
DE3323324C3 (en) * 1983-06-29 1995-10-12 Schubert & Salzer Gmbh & Co In Method and apparatus for controlling a pipe isolator in dependence upon a predetermined at a comparison point pressure difference
DE3442748A1 (en) * 1984-11-23 1986-05-28 Lang Apparatebau Gmbh Device for protection of drinking water pipes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389412A (en) * 1941-09-26 1945-11-20 Carlton Frank Antibackflow and antisiphonage valve
US2511435A (en) * 1945-05-21 1950-06-13 Clayton Manufacturing Co Vacuum breaker valve
US3173439A (en) * 1961-06-26 1965-03-16 Donald G Griswold Backflow prevention device

Also Published As

Publication number Publication date
DE2806310A1 (en) 1979-10-04

Similar Documents

Publication Publication Date Title
BG26562A1 (en)
BG26633A1 (en)
BG26245A1 (en)
BG26158A1 (en)
BG26734A1 (en)
BG26763A1 (en)
BG25818A1 (en)
BG26177A1 (en)
BG26238A1 (en)
BG26687A1 (en)
BG26076A1 (en)
BG26027A1 (en)
BG26583A1 (en)
BG25842A1 (en)
BG26759A1 (en)
BG26561A1 (en)
BG26435A1 (en)
BG26122A1 (en)
BG26719A1 (en)
BG26145A1 (en)
BG26160A1 (en)
BG26181A1 (en)
BG26320A1 (en)
BG26406A1 (en)
BG26050A1 (en)

Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
8127 New person/name/address of the applicant

Owner name: LANG APPARATEBAU GMBH, 8227 SIEGSDORF, DE

8110 Request for examination paragraph 44
AF Is addition to no.

Ref country code: DE

Ref document number: 2747941

Format of ref document f/p: P

D2 Grant after examination
AF Is addition to no.

Ref country code: DE

Ref document number: 2747941

Format of ref document f/p: P

8364 No opposition during term of opposition
8340 Patent of addition ceased/non-payment of fee of main patent