FR563431A - Improvements to machines used to manufacture concrete pipes - Google Patents

Improvements to machines used to manufacture concrete pipes

Info

Publication number
FR563431A
FR563431A FR563431DA FR563431A FR 563431 A FR563431 A FR 563431A FR 563431D A FR563431D A FR 563431DA FR 563431 A FR563431 A FR 563431A
Authority
FR
France
Prior art keywords
machines used
concrete pipes
manufacture concrete
manufacture
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
Bert Heffer
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 FR563431A publication Critical patent/FR563431A/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
    • B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
    • B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
    • B28B21/24—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like
    • B28B21/28—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like combined with vibration means
FR563431D 1922-04-05 1923-03-09 Improvements to machines used to manufacture concrete pipes Expired FR563431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB563431X 1922-04-05

Publications (1)

Publication Number Publication Date
FR563431A true FR563431A (en) 1923-12-05

Family

ID=10476382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR563431D Expired FR563431A (en) 1922-04-05 1923-03-09 Improvements to machines used to manufacture concrete pipes

Country Status (1)

Country Link
FR (1) FR563431A (en)

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