NL184072C - VACUUM DRAINAGE DEVICE WITH CONTROLLED DRAIN VALVE. - Google Patents

VACUUM DRAINAGE DEVICE WITH CONTROLLED DRAIN VALVE.

Info

Publication number
NL184072C
NL184072C NLAANVRAGE8400069,A NL8400069A NL184072C NL 184072 C NL184072 C NL 184072C NL 8400069 A NL8400069 A NL 8400069A NL 184072 C NL184072 C NL 184072C
Authority
NL
Netherlands
Prior art keywords
drain valve
drainage device
vacuum drainage
controlled drain
controlled
Prior art date
Application number
NLAANVRAGE8400069,A
Other languages
Dutch (nl)
Other versions
NL8400069A (en
NL184072B (en
Original Assignee
Waertsilae Oy Ab
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 DE19742455551 external-priority patent/DE2455551C3/en
Priority claimed from NL7513650A external-priority patent/NL176193C/en
Application filed by Waertsilae Oy Ab filed Critical Waertsilae Oy Ab
Publication of NL8400069A publication Critical patent/NL8400069A/en
Publication of NL184072B publication Critical patent/NL184072B/en
Application granted granted Critical
Publication of NL184072C publication Critical patent/NL184072C/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage
NLAANVRAGE8400069,A 1974-11-23 1984-01-09 VACUUM DRAINAGE DEVICE WITH CONTROLLED DRAIN VALVE. NL184072C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19742455551 DE2455551C3 (en) 1974-11-23 Method x for discharging wastewater from a large number of house connections
DE2455551 1974-11-23
NL7513650A NL176193C (en) 1974-11-23 1975-11-21 METHOD FOR DRAINING HOUSEHOLD WASTE WATER FROM A NUMBER OF HOUSING CONNECTIONS.
NL7513650 1975-11-21

Publications (3)

Publication Number Publication Date
NL8400069A NL8400069A (en) 1984-05-01
NL184072B NL184072B (en) 1988-11-01
NL184072C true NL184072C (en) 1989-04-03

Family

ID=25768016

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8400069,A NL184072C (en) 1974-11-23 1984-01-09 VACUUM DRAINAGE DEVICE WITH CONTROLLED DRAIN VALVE.

Country Status (1)

Country Link
NL (1) NL184072C (en)

Also Published As

Publication number Publication date
NL8400069A (en) 1984-05-01
NL184072B (en) 1988-11-01

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: WAERTSILAE AB. OY -

V1 Lapsed because of non-payment of the annual fee