FR45461E - 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
FR45461E
FR45461E FR45461DA FR45461E FR 45461 E FR45461 E FR 45461E FR 45461D A FR45461D A FR 45461DA FR 45461 E FR45461 E FR 45461E
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 FR45461E publication Critical patent/FR45461E/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)
FR45461D 1934-11-12 1934-11-12 Improvements in the manufacture of pipes molded on flexible formwork tubes Expired FR45461E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45461T 1934-11-12

Publications (1)

Publication Number Publication Date
FR45461E true FR45461E (en) 1935-09-12

Family

ID=8681199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45461D Expired FR45461E (en) 1934-11-12 1934-11-12 Improvements in the manufacture of pipes molded on flexible formwork tubes

Country Status (1)

Country Link
FR (1) FR45461E (en)

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