ZA721087B - Improvements in concrete pipes and the like - Google Patents

Improvements in concrete pipes and the like

Info

Publication number
ZA721087B
ZA721087B ZA721087A ZA721087A ZA721087B ZA 721087 B ZA721087 B ZA 721087B ZA 721087 A ZA721087 A ZA 721087A ZA 721087 A ZA721087 A ZA 721087A ZA 721087 B ZA721087 B ZA 721087B
Authority
ZA
South Africa
Prior art keywords
concrete pipes
pipes
concrete
Prior art date
Application number
ZA721087A
Inventor
C Baker
Original Assignee
Humes Ltd
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 Humes Ltd filed Critical Humes Ltd
Publication of ZA721087B publication Critical patent/ZA721087B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0038—Machines or methods for applying the material to surfaces to form a permanent layer thereon lining the outer wall of hollow objects, e.g. pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
    • B28B21/72—Producing multilayer tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
ZA721087A 1971-02-26 1972-02-18 Improvements in concrete pipes and the like ZA721087B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA414271 1971-02-26

Publications (1)

Publication Number Publication Date
ZA721087B true ZA721087B (en) 1972-11-29

Family

ID=3764743

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721087A ZA721087B (en) 1971-02-26 1972-02-18 Improvements in concrete pipes and the like

Country Status (7)

Country Link
DE (1) DE2208723A1 (en)
FR (1) FR2127808A5 (en)
GB (1) GB1384117A (en)
HK (1) HK62079A (en)
IT (1) IT948675B (en)
MY (1) MY7500178A (en)
ZA (1) ZA721087B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158762A (en) * 1984-05-14 1985-11-20 Spun Concrete Ltd Composite pipes
US5028368A (en) * 1989-07-11 1991-07-02 International Pipe Machinery Corporation Method of forming lined pipe
AU694780B2 (en) * 1994-06-07 1998-07-30 Pipeform Llc Interlocked plastic-encased concrete pipe

Also Published As

Publication number Publication date
DE2208723A1 (en) 1972-09-07
HK62079A (en) 1979-09-07
MY7500178A (en) 1975-12-31
IT948675B (en) 1973-06-11
GB1384117A (en) 1975-02-19
FR2127808A5 (en) 1972-10-13

Similar Documents

Publication Publication Date Title
IL38887A (en) Seats and the like
ZA734073B (en) Improvements in concrete pipes
ZA727656B (en) Improvements in or relating to interlocking stones and the like
ZA717287B (en) Improvements in concrete pipes and the like
ZA729105B (en) Improvements in or relating to mortars and the like
ZA721087B (en) Improvements in concrete pipes and the like
KE2678A (en) Improvements in or relating to pipes
ZA732327B (en) Improvements in and relating to the manufacture of concrete pipes
IE35065B1 (en) Pipe and pipe joints
ZA717438B (en) Improvements in fittings for hoses or the like
AU463138B2 (en) Improvements in concrete pipes andthe like
ZA715760B (en) Improvements in and relating to concrete or like pipes
ZA724648B (en) Improvements in or relating to pipes
AU6163473A (en) Coupling and pipe ends
ZA733079B (en) Improvements in the manufacture of pipes
ZA73727B (en) Improvements in an relating to handling building tiles and the like
IL39478A0 (en) Building and structural materials
AU421009B2 (en) Improvements in and relating to concrete or like pipes
ZA721089B (en) Improvements in waterstops
ZA717381B (en) Welt-cord and piping for upholstery and the like
ZA714799B (en) Improvements in hose pipes
ZM10771A1 (en) Improvements in hose pipes
ZA713864B (en) Improvements in hose pipes
ZA716120B (en) Improvements in building
ZA716380B (en) Improvements in or relating to spirit levels and the like