FR771186A - Steel mold for cement pipes, reinforced or not - Google Patents

Steel mold for cement pipes, reinforced or not

Info

Publication number
FR771186A
FR771186A FR771186DA FR771186A FR 771186 A FR771186 A FR 771186A FR 771186D A FR771186D A FR 771186DA FR 771186 A FR771186 A FR 771186A
Authority
FR
France
Prior art keywords
reinforced
steel mold
cement pipes
cement
pipes
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
Degaine Alexandre Auguste
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 FR771186A publication Critical patent/FR771186A/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)
FR771186D 1934-04-04 1934-04-04 Steel mold for cement pipes, reinforced or not Expired FR771186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR771186T 1934-04-04

Publications (1)

Publication Number Publication Date
FR771186A true FR771186A (en) 1934-10-02

Family

ID=9189641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR771186D Expired FR771186A (en) 1934-04-04 1934-04-04 Steel mold for cement pipes, reinforced or not

Country Status (1)

Country Link
FR (1) FR771186A (en)

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