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FR718293A - Process for the manufacture of concrete pipes with asphalt lining or coating - Google Patents

Process for the manufacture of concrete pipes with asphalt lining or coating

Info

Publication number
FR718293A
FR718293A FR718293DA FR718293A FR 718293 A FR718293 A FR 718293A FR 718293D A FR718293D A FR 718293DA FR 718293 A FR718293 A FR 718293A
Authority
FR
France
Prior art keywords
manufacture
coating
concrete pipes
asphalt
lining
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Walter Bau AG
Original Assignee
Dyckerhoff and Widmann AG
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 by Dyckerhoff and Widmann AG filed Critical Dyckerhoff and Widmann AG
Application granted granted Critical
Publication of FR718293A publication Critical patent/FR718293A/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
    • B28B21/92—Methods or apparatus for treating or reshaping
    • B28B21/94—Methods or apparatus for treating or reshaping for impregnating or coating by applying liquids or semi-liquids

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR718293D 1930-06-14 1931-06-05 Process for the manufacture of concrete pipes with asphalt lining or coating Expired FR718293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE718293X 1930-06-14

Publications (1)

Publication Number Publication Date
FR718293A true FR718293A (en) 1932-01-21

Family

ID=6626906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718293D Expired FR718293A (en) 1930-06-14 1931-06-05 Process for the manufacture of concrete pipes with asphalt lining or coating

Country Status (1)

Country Link
FR (1) FR718293A (en)

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