ZA722017B - Improvements in the testing of drainage systems - Google Patents

Improvements in the testing of drainage systems

Info

Publication number
ZA722017B
ZA722017B ZA722017A ZA722017A ZA722017B ZA 722017 B ZA722017 B ZA 722017B ZA 722017 A ZA722017 A ZA 722017A ZA 722017 A ZA722017 A ZA 722017A ZA 722017 B ZA722017 B ZA 722017B
Authority
ZA
South Africa
Prior art keywords
testing
drainage systems
drainage
systems
Prior art date
Application number
ZA722017A
Inventor
G Marsh
Original Assignee
Tile Ag M
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 Tile Ag M filed Critical Tile Ag M
Publication of ZA722017B publication Critical patent/ZA722017B/en

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
    • E03F7/02—Shut-off devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Sink And Installation For Waste Water (AREA)
ZA722017A 1971-03-26 1972-03-24 Improvements in the testing of drainage systems ZA722017B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB797771A GB1384374A (en) 1971-03-26 1971-03-26 Closure member for drain testing access pipes

Publications (1)

Publication Number Publication Date
ZA722017B true ZA722017B (en) 1973-05-30

Family

ID=9843405

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA722017A ZA722017B (en) 1971-03-26 1972-03-24 Improvements in the testing of drainage systems

Country Status (5)

Country Link
DE (1) DE2214461C3 (en)
FR (1) FR2131630A5 (en)
GB (1) GB1384374A (en)
IE (1) IE36217B1 (en)
ZA (1) ZA722017B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2723977B1 (en) * 1994-08-25 1996-10-18 Sikora Bernard HYDRAULIC SHUTTER
GB2306606A (en) * 1995-11-03 1997-05-07 Sean Adrian Macdonald Flow isolator for fluid systems
GB9715283D0 (en) * 1997-07-22 1997-09-24 Ingham Michael G Leak tracing
CZ307012B6 (en) * 2008-11-25 2017-11-15 Fastra, S. R. O. A device for closing pipelines

Also Published As

Publication number Publication date
GB1384374A (en) 1975-02-19
FR2131630A5 (en) 1972-11-10
DE2214461C3 (en) 1980-12-04
DE2214461A1 (en) 1972-11-23
DE2214461B2 (en) 1980-03-27
IE36217L (en) 1972-09-26
IE36217B1 (en) 1976-09-15

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