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FR44887E - Process for the continuous manufacture of concrete pipes and product obtained - Google Patents

Process for the continuous manufacture of concrete pipes and product obtained

Info

Publication number
FR44887E
FR44887E FR44887DA FR44887E FR 44887 E FR44887 E FR 44887E FR 44887D A FR44887D A FR 44887DA FR 44887 E FR44887 E FR 44887E
Authority
FR
France
Prior art keywords
product obtained
continuous manufacture
concrete pipes
pipes
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
Humbert
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 FR44887E publication Critical patent/FR44887E/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)
FR44887D 1934-05-28 1934-05-28 Process for the continuous manufacture of concrete pipes and product obtained Expired FR44887E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44887T 1934-05-28

Publications (1)

Publication Number Publication Date
FR44887E true FR44887E (en) 1935-04-24

Family

ID=8680676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44887D Expired FR44887E (en) 1934-05-28 1934-05-28 Process for the continuous manufacture of concrete pipes and product obtained

Country Status (1)

Country Link
FR (1) FR44887E (en)

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