FR1069650A - Manufacturing process of concrete conduits for cables - Google Patents

Manufacturing process of concrete conduits for cables

Info

Publication number
FR1069650A
FR1069650A FR1069650DA FR1069650A FR 1069650 A FR1069650 A FR 1069650A FR 1069650D A FR1069650D A FR 1069650DA FR 1069650 A FR1069650 A FR 1069650A
Authority
FR
France
Prior art keywords
cables
manufacturing process
concrete conduits
conduits
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
Other languages
French (fr)
Inventor
Anders Bertil Ludvigson Hjelm
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 FR1069650A publication Critical patent/FR1069650A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B28B21/90—Methods or apparatus for demoulding or discharging after shaping

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR1069650D 1951-05-24 1952-05-24 Manufacturing process of concrete conduits for cables Expired FR1069650A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1069650X 1951-05-24

Publications (1)

Publication Number Publication Date
FR1069650A true FR1069650A (en) 1954-07-09

Family

ID=20419562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1069650D Expired FR1069650A (en) 1951-05-24 1952-05-24 Manufacturing process of concrete conduits for cables

Country Status (1)

Country Link
FR (1) FR1069650A (en)

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