ZA733375B - Improvements in or relating to concrete pipes - Google Patents

Improvements in or relating to concrete pipes

Info

Publication number
ZA733375B
ZA733375B ZA00733375A ZA733375A ZA733375B ZA 733375 B ZA733375 B ZA 733375B ZA 00733375 A ZA00733375 A ZA 00733375A ZA 733375 A ZA733375 A ZA 733375A ZA 733375 B ZA733375 B ZA 733375B
Authority
ZA
South Africa
Prior art keywords
relating
concrete pipes
pipes
concrete
Prior art date
Application number
ZA00733375A
Inventor
P Luckett
J Mobbs
A Harris
Original Assignee
Stelmo 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 Stelmo Ltd filed Critical Stelmo Ltd
Publication of ZA733375B publication Critical patent/ZA733375B/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
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
    • B28B21/62—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements circumferential laterally tensioned
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49874—Prestressing rod, filament or strand

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Moulding By Coating Moulds (AREA)
ZA00733375A 1972-05-19 1973-05-18 Improvements in or relating to concrete pipes ZA733375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2360072A GB1389738A (en) 1972-05-19 1972-05-19 Concrete pipes

Publications (1)

Publication Number Publication Date
ZA733375B true ZA733375B (en) 1975-01-29

Family

ID=10198288

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00733375A ZA733375B (en) 1972-05-19 1973-05-18 Improvements in or relating to concrete pipes

Country Status (7)

Country Link
US (1) US3928104A (en)
JP (1) JPS4948716A (en)
DE (1) DE2325295A1 (en)
FR (1) FR2185954A5 (en)
GB (1) GB1389738A (en)
NL (1) NL7306977A (en)
ZA (1) ZA733375B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313460B2 (en) * 1975-02-10 1978-05-10
JPS51136285U (en) * 1975-04-24 1976-11-04
GB2155389B (en) * 1984-03-12 1987-04-23 Stanton & Staveley Ltd Producing concrete sewerage liners
IT1179497B (en) * 1984-11-27 1987-09-16 Vianini Spa ORDINARY REINFORCED CONCRETE TUBE WITH DIFFUSED REINFORCEMENT AND METHOD FOR ITS MANUFACTURE
US5024557A (en) * 1987-09-22 1991-06-18 Iorns Martin E Method and apparatus for constructing an offshore hollow column
JPH0686251B2 (en) * 1990-04-19 1994-11-02 新日本製鐵株式会社 Billet cutting device
JPH0569927A (en) * 1991-09-06 1993-03-23 Asahi Tec Corp Mold carrier device
WO1995033947A1 (en) * 1994-06-07 1995-12-14 Pipeform, Ltd. Interlocked plastic-encased concrete pipe
DE102011107804A1 (en) * 2011-07-17 2013-01-17 Philipp Wagner Construction principle for tower construction for wind turbines

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696353A (en) * 1951-09-13 1954-12-07 Steam Cote Corp Method of applying concrete
US3489626A (en) * 1957-12-11 1970-01-13 Chemstress Ind Inc Method of making a prestressed,reinforced,resin-crete concrete pipe
US3243949A (en) * 1961-07-10 1966-04-05 Fmc Corp Method of treating glass roving
US3520749A (en) * 1967-01-31 1970-07-14 Chem Stress Ind Inc Method of making filament wound reinforced concrete pipe
US3630237A (en) * 1967-11-13 1971-12-28 Concrete Dev Corp Polyester concrete pipe
US3506752A (en) * 1967-11-13 1970-04-14 Concrete Dev Corp Method of making reinforced polyester pipe
SE363391B (en) * 1969-06-04 1974-01-14 Kubota Iron & Machinery Works
GB1305629A (en) * 1970-09-15 1973-02-07
US3740291A (en) * 1971-01-20 1973-06-19 J Mallard Method and apparatus for applying a coating to a tubular member
US3761557A (en) * 1971-05-06 1973-09-25 A Werner A method of reinforcing pipe coatings

Also Published As

Publication number Publication date
US3928104A (en) 1975-12-23
GB1389738A (en) 1975-04-09
FR2185954A5 (en) 1974-01-04
NL7306977A (en) 1973-11-21
JPS4948716A (en) 1974-05-11
DE2325295A1 (en) 1973-12-13

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