FR740654A - Manufacturing process of concrete pipes - Google Patents

Manufacturing process of concrete pipes

Info

Publication number
FR740654A
FR740654A FR740654DA FR740654A FR 740654 A FR740654 A FR 740654A FR 740654D A FR740654D A FR 740654DA FR 740654 A FR740654 A FR 740654A
Authority
FR
France
Prior art keywords
manufacturing process
concrete pipes
pipes
concrete
manufacturing
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
Raphael Van Der Capellen
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 FR740654A publication Critical patent/FR740654A/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
    • B28B21/86—Cores
    • B28B21/88—Cores adjustable, collapsible or expansible

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR740654D 1931-08-01 1932-08-01 Manufacturing process of concrete pipes Expired FR740654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE740654X 1931-08-01

Publications (1)

Publication Number Publication Date
FR740654A true FR740654A (en) 1933-01-30

Family

ID=3879434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740654D Expired FR740654A (en) 1931-08-01 1932-08-01 Manufacturing process of concrete pipes

Country Status (1)

Country Link
FR (1) FR740654A (en)

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