Global Patent Index - EP 1068405 A1

EP 1068405 A1 2001-01-17 - FROST PROTECTION DEVICE

Title (en)

FROST PROTECTION DEVICE

Title (de)

FROSTSCHUTZVORRICHTUNG

Title (fr)

DISPOSITIF ANTIGEL

Publication

EP 1068405 A1 (DE)

Application

EP 99911609 A

Priority

  • DE 9900471 W
  • DE 19814974 A
  • DE 19852483 A

Abstract (en)

[origin: US6363960B1] This invention relates to a frost protection device for preventing sections of water pipes which are in danger of being affected by frost from freezing up. Said frost protection device consists essentially of a pressure control valve with a piston-type valve body which moves axially in a cylindrical housing. The pressure control valve also interacts with a valve seat which is connected to the section of pipe being monitored. According to the invention, the valve seat is located outside of the flow path defined by the section of pipe, in a branch which constantly communicates with said section of pipe.

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

E03B 7/10; A01K 7/02

IPC 8 full level (invention and additional information)

A01K 7/02 (2006.01); E03B 7/10 (2006.01); F16K 15/02 (2006.01); F16K 17/04 (2006.01); F16K 17/36 (2006.01)

CPC (invention and additional information)

A01K 7/027 (2013.01); E03B 7/10 (2013.01); F16K 15/025 (2013.01); F16K 17/04 (2013.01); F16K 17/36 (2013.01); Y10T 137/1244 (2015.04); Y10T 137/1353 (2015.04)

Citation (search report)

See references of WO 9951823A1

Designated contracting state (EPC)

CH DE FR GB LI

EPO simple patent family

US 6363960 B1 20020402; DE 19907217 A1 19991007; EP 1068405 A1 20010117; WO 9951823 A1 19991014

INPADOC legal status


2003-07-23 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020903

2001-01-17 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001010

2001-01-17 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): CH DE FR GB LI