OA03186A - Improvements to asbestos-cement pipes. - Google Patents

Improvements to asbestos-cement pipes.

Info

Publication number
OA03186A
OA03186A OA53804A OA53804A OA03186A OA 03186 A OA03186 A OA 03186A OA 53804 A OA53804 A OA 53804A OA 53804 A OA53804 A OA 53804A OA 03186 A OA03186 A OA 03186A
Authority
OA
OAPI
Prior art keywords
asbestos
cement pipes
cement
pipes
Prior art date
Application number
OA53804A
Other languages
French (fr)
Original Assignee
Eternit De Rech Tech Soc
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 Eternit De Rech Tech Soc filed Critical Eternit De Rech Tech Soc
Publication of OA03186A publication Critical patent/OA03186A/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
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/06—Coatings characterised by the materials used by cement, concrete, or the like
    • 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
    • B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
    • B28B21/72—Producing multilayer tubes
    • 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
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
OA53804A 1968-12-24 1969-12-13 Improvements to asbestos-cement pipes. OA03186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR180193A FR1598650A (en) 1968-12-24 1968-12-24

Publications (1)

Publication Number Publication Date
OA03186A true OA03186A (en) 1970-12-15

Family

ID=8658922

Family Applications (1)

Application Number Title Priority Date Filing Date
OA53804A OA03186A (en) 1968-12-24 1969-12-13 Improvements to asbestos-cement pipes.

Country Status (7)

Country Link
BE (1) BE743090A (en)
ES (1) ES372998A1 (en)
FR (1) FR1598650A (en)
GB (1) GB1244920A (en)
LU (1) LU60066A1 (en)
NL (1) NL6919184A (en)
OA (1) OA03186A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112959481B (en) * 2021-02-03 2022-06-21 张家界涵睿新材料科技有限公司 Automatic equipment for culvert pipe production

Also Published As

Publication number Publication date
ES372998A1 (en) 1972-03-16
NL6919184A (en) 1970-06-26
BE743090A (en) 1970-05-14
LU60066A1 (en) 1970-02-23
GB1244920A (en) 1971-09-02
FR1598650A (en) 1970-07-06

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