FR594971A - Device for the construction of concrete culverts - Google Patents

Device for the construction of concrete culverts

Info

Publication number
FR594971A
FR594971A FR594971DA FR594971A FR 594971 A FR594971 A FR 594971A FR 594971D A FR594971D A FR 594971DA FR 594971 A FR594971 A FR 594971A
Authority
FR
France
Prior art keywords
construction
concrete culverts
culverts
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
Toichi Nose
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 FR594971A publication Critical patent/FR594971A/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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/28—Cores; Mandrels
    • B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
    • B28B7/32—Cores; Mandrels adjustable, collapsible, or expanding inflatable

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR594971D 1925-03-12 1925-03-12 Device for the construction of concrete culverts Expired FR594971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR594971T 1925-03-12

Publications (1)

Publication Number Publication Date
FR594971A true FR594971A (en) 1925-09-24

Family

ID=8966543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR594971D Expired FR594971A (en) 1925-03-12 1925-03-12 Device for the construction of concrete culverts

Country Status (1)

Country Link
FR (1) FR594971A (en)

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