CA2052084A1 - Systeme a soupape de retour d'eau a action multiple muni d'un dispositif antirats - Google Patents

Systeme a soupape de retour d'eau a action multiple muni d'un dispositif antirats

Info

Publication number
CA2052084A1
CA2052084A1 CA 2052084 CA2052084A CA2052084A1 CA 2052084 A1 CA2052084 A1 CA 2052084A1 CA 2052084 CA2052084 CA 2052084 CA 2052084 A CA2052084 A CA 2052084A CA 2052084 A1 CA2052084 A1 CA 2052084A1
Authority
CA
Canada
Prior art keywords
dwelling
sewer
screen
opening
valve system
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
CA 2052084
Other languages
English (en)
Other versions
CA2052084C (fr
Inventor
Robert Pludowski
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2052084 priority Critical patent/CA2052084C/fr
Publication of CA2052084A1 publication Critical patent/CA2052084A1/fr
Application granted granted Critical
Publication of CA2052084C publication Critical patent/CA2052084C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/06—Devices for restraining rats or other animals
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/02—Shut-off devices
    • E03F7/04—Valves for preventing return flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Check Valves (AREA)
  • Lift Valve (AREA)
CA 2052084 1991-09-23 1991-09-23 Systeme a soupape de retour d'eau a action multiple muni d'un dispositif antirats Expired - Fee Related CA2052084C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2052084 CA2052084C (fr) 1991-09-23 1991-09-23 Systeme a soupape de retour d'eau a action multiple muni d'un dispositif antirats

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2052084 CA2052084C (fr) 1991-09-23 1991-09-23 Systeme a soupape de retour d'eau a action multiple muni d'un dispositif antirats

Publications (2)

Publication Number Publication Date
CA2052084A1 true CA2052084A1 (fr) 1993-03-24
CA2052084C CA2052084C (fr) 1995-08-01

Family

ID=4148431

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2052084 Expired - Fee Related CA2052084C (fr) 1991-09-23 1991-09-23 Systeme a soupape de retour d'eau a action multiple muni d'un dispositif antirats

Country Status (1)

Country Link
CA (1) CA2052084C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE492695T1 (de) * 2008-10-14 2011-01-15 Kessel Ag Rückstauverschluss

Also Published As

Publication number Publication date
CA2052084C (fr) 1995-08-01

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed