BE741460A - - Google Patents

Info

Publication number
BE741460A
BE741460A BE741460DA BE741460A BE 741460 A BE741460 A BE 741460A BE 741460D A BE741460D A BE 741460DA BE 741460 A BE741460 A BE 741460A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE741460A publication Critical patent/BE741460A/xx

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)
BE741460D 1968-11-25 1969-11-07 BE741460A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE741460A true BE741460A (fr) 1970-04-16

Family

ID=8657337

Family Applications (1)

Application Number Title Priority Date Filing Date
BE741460D BE741460A (fr) 1968-11-25 1969-11-07

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771530A (en) * 1987-04-08 1988-09-20 General Atomics Application of inwardly directed prestressing pressure to concrete members
US4840200A (en) * 1983-06-21 1989-06-20 General Atomics Prestressed tube

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5238384A (en) * 1988-12-23 1993-08-24 Von Roll Ag Apparatus for producing a composite pipe in a rotating drum
EP0374667A1 (fr) * 1988-12-23 1990-06-27 Peter Hartmann Beteiligungen AG Procédé et dispositif de fabrication d'un tuyau composite dans un moule tournant

Cited By (2)

* 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

Also Published As

Publication number Publication date
ES374209A1 (es) 1971-12-16
BR6914458D0 (pt) 1973-05-08
FR1592936A (fr) 1970-05-19
ES374208A1 (es) 1971-12-16
OA03171A (fr) 1970-12-15

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