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FR933431A - Mold for the manufacture of perforated pipes, cement - Google Patents

Mold for the manufacture of perforated pipes, cement

Info

Publication number
FR933431A
FR933431A FR933431DA FR933431A FR 933431 A FR933431 A FR 933431A FR 933431D A FR933431D A FR 933431DA FR 933431 A FR933431 A FR 933431A
Authority
FR
France
Prior art keywords
cement
mold
manufacture
perforated pipes
perforated
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
Pierre-Jean Grau
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 FR933431A publication Critical patent/FR933431A/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
    • B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
    • B28B21/74—Producing pipe bends, sockets, sleeves; Moulds therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR933431D 1946-09-13 1946-09-13 Mold for the manufacture of perforated pipes, cement Expired FR933431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR933431T 1946-09-13

Publications (1)

Publication Number Publication Date
FR933431A true FR933431A (en) 1948-04-20

Family

ID=9455521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933431D Expired FR933431A (en) 1946-09-13 1946-09-13 Mold for the manufacture of perforated pipes, cement

Country Status (1)

Country Link
FR (1) FR933431A (en)

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