Global Patent Index - EP 1010821 A1

EP 1010821 A1 2000-06-21 - No-return valve for hydrants

Title (en)

No-return valve for hydrants

Title (de)

Rückflussverhinderer für Hydranten

Title (fr)

Clapet anti-retour pour bouche d'incendie

Publication

EP 1010821 A1 (DE)

Application

EP 98124283 A

Priority

EP 98124283 A

Abstract (en)

The flow preventer has a flange plate (12) for mounting between a jacket tube and a connection sleeve for the hydrant. The plate carries a nonreturn valve, which is enclosed in a housing (15) and screened at the top by a closure plate (27). The housing has a perforated plate cover (18) . A perforated plate cylinder (26) is coaxially mounted between plate and valve seat, defining a ring jacket chamber (19). The chamber opening above the closure part (20) of the valve is covered by the closure part.

Abstract (de)

Der vorgeschlagene Rückflußverhinderer ist zur Nachrüstung von vorhandenen Hydranten in der Weise gedacht, dass er mittels einer Flanschplatte (12) zwischen dem Mantelrohr (1) und der Anschlußmuffe (5) des Hydranten einspannbar ist und einen kartuschenartigen Einsatz (11) mit einem Rückschlagventil aufweist, dessen Schließelement nach oben durch eine Sperre (27) abgeschirmt ist. <IMAGE> <IMAGE>

IPC 1-7 (main, further and additional classification)

E03B 9/02

IPC 8 full level (invention and additional information)

E03B 9/16 (2006.01)

CPC (invention and additional information)

E03B 9/16 (2013.01)

Citation (applicant)

None

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1010821 A1 20000621

INPADOC legal status


2001-10-24 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20001222

2001-02-28 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

2000-06-21 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-06-21 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI