AU421009B2 - Improvements in and relating to concrete or like pipes - Google Patents

Improvements in and relating to concrete or like pipes

Info

Publication number
AU421009B2
AU421009B2 AU19865/70A AU1986570A AU421009B2 AU 421009 B2 AU421009 B2 AU 421009B2 AU 19865/70 A AU19865/70 A AU 19865/70A AU 1986570 A AU1986570 A AU 1986570A AU 421009 B2 AU421009 B2 AU 421009B2
Authority
AU
Australia
Prior art keywords
pipes
relating
concrete
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.)
Expired
Application number
AU19865/70A
Other versions
AU1986570A (en
Inventor
Douglas Hickman Malcolm
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.)
Evola Concrete Pipes Ltd
Original Assignee
Rocla Concrete Pipes 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 Rocla Concrete Pipes Ltd filed Critical Rocla Concrete Pipes Ltd
Priority to AU19865/70A priority Critical patent/AU421009B2/en
Priority to FR7126798A priority patent/FR2146653A5/en
Application granted granted Critical
Publication of AU421009B2 publication Critical patent/AU421009B2/en
Publication of AU1986570A publication Critical patent/AU1986570A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
    • 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
    • B28B21/64—Winding arrangements

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)
AU19865/70A 1970-09-11 1970-09-11 Improvements in and relating to concrete or like pipes Expired AU421009B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU19865/70A AU421009B2 (en) 1970-09-11 1970-09-11 Improvements in and relating to concrete or like pipes
FR7126798A FR2146653A5 (en) 1970-09-11 1971-07-22 Winding appts - for winding wire onto concrete pipe to be reinforced with outer strengthening layer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU19865/70A AU421009B2 (en) 1970-09-11 1970-09-11 Improvements in and relating to concrete or like pipes
FR7126798A FR2146653A5 (en) 1970-09-11 1971-07-22 Winding appts - for winding wire onto concrete pipe to be reinforced with outer strengthening layer

Publications (2)

Publication Number Publication Date
AU421009B2 true AU421009B2 (en) 1972-02-02
AU1986570A AU1986570A (en) 1972-02-24

Family

ID=34701635

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19865/70A Expired AU421009B2 (en) 1970-09-11 1970-09-11 Improvements in and relating to concrete or like pipes

Country Status (2)

Country Link
AU (1) AU421009B2 (en)
FR (1) FR2146653A5 (en)

Also Published As

Publication number Publication date
FR2146653A5 (en) 1973-03-02
AU1986570A (en) 1972-02-24

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