OA03171A - An improved process for the manufacture of composite prestressed concrete pipes and resulting pipes. - Google Patents

An improved process for the manufacture of composite prestressed concrete pipes and resulting pipes.

Info

Publication number
OA03171A
OA03171A OA53784A OA53784A OA03171A OA 03171 A OA03171 A OA 03171A OA 53784 A OA53784 A OA 53784A OA 53784 A OA53784 A OA 53784A OA 03171 A OA03171 A OA 03171A
Authority
OA
OAPI
Prior art keywords
pipes
manufacture
improved process
prestressed concrete
resulting
Prior art date
Application number
OA53784A
Other languages
French (fr)
Original Assignee
Pont A Mousson
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 Pont A Mousson filed Critical Pont A Mousson
Publication of OA03171A publication Critical patent/OA03171A/en

Links

Classifications

    • 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
    • F16L9/00—Rigid pipes
    • F16L9/08—Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
    • 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
    • B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
    • B28B21/18—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements
    • B28B21/20—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements using inflatable cores, e.g. having a frame inside the inflatable part of the core
    • B28B21/205—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements using inflatable cores, e.g. having a frame inside the inflatable part of the core having a rigid frame inside the inflatable part of the core
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/03—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
OA53784A 1968-11-25 1969-11-15 An improved process for the manufacture of composite prestressed concrete pipes and resulting pipes. OA03171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR175112 1968-11-25

Publications (1)

Publication Number Publication Date
OA03171A true OA03171A (en) 1970-12-15

Family

ID=8657337

Family Applications (1)

Application Number Title Priority Date Filing Date
OA53784A OA03171A (en) 1968-11-25 1969-11-15 An improved process for the manufacture of composite prestressed concrete pipes and resulting pipes.

Country Status (5)

Country Link
BE (1) BE741460A (en)
BR (1) BR6914458D0 (en)
ES (2) ES374208A1 (en)
FR (1) FR1592936A (en)
OA (1) OA03171A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840200A (en) * 1983-06-21 1989-06-20 General Atomics Prestressed tube
US4771530A (en) * 1987-04-08 1988-09-20 General Atomics Application of inwardly directed prestressing pressure to concrete members
EP0374667A1 (en) * 1988-12-23 1990-06-27 Peter Hartmann Beteiligungen AG Process and installaton for making a composite pipe in a rotating mould
US5238384A (en) * 1988-12-23 1993-08-24 Von Roll Ag Apparatus for producing a composite pipe in a rotating drum

Also Published As

Publication number Publication date
ES374208A1 (en) 1971-12-16
BR6914458D0 (en) 1973-05-08
FR1592936A (en) 1970-05-19
ES374209A1 (en) 1971-12-16
BE741460A (en) 1970-04-16

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