FR533139A - Core for concrete constructions and other materials - Google Patents

Core for concrete constructions and other materials

Info

Publication number
FR533139A
FR533139A FR533139DA FR533139A FR 533139 A FR533139 A FR 533139A FR 533139D A FR533139D A FR 533139DA FR 533139 A FR533139 A FR 533139A
Authority
FR
France
Prior art keywords
core
materials
concrete constructions
constructions
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
Charles Van Driessche
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 FR533139A publication Critical patent/FR533139A/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
FR533139D 1920-02-20 1921-03-31 Core for concrete constructions and other materials Expired FR533139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE533139X 1920-02-20

Publications (1)

Publication Number Publication Date
FR533139A true FR533139A (en) 1922-02-22

Family

ID=3871790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR533139D Expired FR533139A (en) 1920-02-20 1921-03-31 Core for concrete constructions and other materials

Country Status (1)

Country Link
FR (1) FR533139A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5350139A (en) * 1991-10-08 1994-09-27 Minnesota Mining And Manufacturing Company Mandrel for making a rigid tubular article

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5350139A (en) * 1991-10-08 1994-09-27 Minnesota Mining And Manufacturing Company Mandrel for making a rigid tubular article
US5433902A (en) * 1991-10-08 1995-07-18 Minnesota Mining And Manufacturing Company Method of making a rigid tubular article

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