FR764411A - Improvements in the manufacture of pipes molded on flexible formwork tubes - Google Patents

Improvements in the manufacture of pipes molded on flexible formwork tubes

Info

Publication number
FR764411A
FR764411A FR764411DA FR764411A FR 764411 A FR764411 A FR 764411A FR 764411D A FR764411D A FR 764411DA FR 764411 A FR764411 A FR 764411A
Authority
FR
France
Prior art keywords
manufacture
flexible formwork
formwork tubes
pipes molded
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
Mourgeon
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 FR764411A publication Critical patent/FR764411A/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)
FR764411D 1933-11-27 1933-11-27 Improvements in the manufacture of pipes molded on flexible formwork tubes Expired FR764411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR764411T 1933-11-27

Publications (1)

Publication Number Publication Date
FR764411A true FR764411A (en) 1934-05-22

Family

ID=9182109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764411D Expired FR764411A (en) 1933-11-27 1933-11-27 Improvements in the manufacture of pipes molded on flexible formwork tubes

Country Status (1)

Country Link
FR (1) FR764411A (en)

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