FR1592936A - - Google Patents

Info

Publication number
FR1592936A
FR1592936A FR175112A FR1592936DA FR1592936A FR 1592936 A FR1592936 A FR 1592936A FR 175112 A FR175112 A FR 175112A FR 1592936D A FR1592936D A FR 1592936DA FR 1592936 A FR1592936 A FR 1592936A
Authority
FR
France
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
FR175112A
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
Application granted granted Critical
Publication of FR1592936A publication Critical patent/FR1592936A/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/08Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/02Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/10Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
    • B28B21/18Methods 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
    • B28B21/20Methods 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
    • B28B21/205Methods 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints 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
    • F16L21/03Joints 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)
FR175112A 1968-11-25 1968-11-25 Expired FR1592936A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1592936A true FR1592936A (fr) 1970-05-19

Family

ID=8657337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR175112A Expired FR1592936A (fr) 1968-11-25 1968-11-25

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
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
US5238384A (en) * 1988-12-23 1993-08-24 Von Roll Ag Apparatus for producing a composite pipe in a rotating drum

Families Citing this family (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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5082614A (en) * 1988-12-23 1992-01-21 Peter Hartmann Beteiligungen Ag Method for producing a composite pipe in a rotating drum
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
BR6914458D0 (pt) 1973-05-08
ES374208A1 (es) 1971-12-16
ES374209A1 (es) 1971-12-16
BE741460A (fr) 1970-04-16
OA03171A (fr) 1970-12-15

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse