FR1127879A - Apparatus for creating sealing holes in concrete, as well as any empty space, when pouring or molding material - Google Patents

Apparatus for creating sealing holes in concrete, as well as any empty space, when pouring or molding material

Info

Publication number
FR1127879A
FR1127879A FR1127879DA FR1127879A FR 1127879 A FR1127879 A FR 1127879A FR 1127879D A FR1127879D A FR 1127879DA FR 1127879 A FR1127879 A FR 1127879A
Authority
FR
France
Prior art keywords
pouring
concrete
well
molding material
empty space
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.)
PROCEDES SPECIAUX ET TRAVAUX
Original Assignee
PROCEDES SPECIAUX ET TRAVAUX
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 PROCEDES SPECIAUX ET TRAVAUX filed Critical PROCEDES SPECIAUX ET TRAVAUX
Application granted granted Critical
Publication of FR1127879A publication Critical patent/FR1127879A/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
    • B28B7/303—Cores; Mandrels adjustable, collapsible, or expanding specially for making undercut recesses or continuous cavities the inner section of which is superior to the section of either of the mouths
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
    • E04G15/063—Re-usable forms
    • E04G15/065—Re-usable forms with mechanical means to modify the section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR1127879D 1955-07-22 1955-07-22 Apparatus for creating sealing holes in concrete, as well as any empty space, when pouring or molding material Expired FR1127879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1127879T 1955-07-22

Publications (1)

Publication Number Publication Date
FR1127879A true FR1127879A (en) 1956-12-26

Family

ID=9635857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1127879D Expired FR1127879A (en) 1955-07-22 1955-07-22 Apparatus for creating sealing holes in concrete, as well as any empty space, when pouring or molding material

Country Status (1)

Country Link
FR (1) FR1127879A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2684659A1 (en) * 2012-07-13 2014-01-15 Christoph Gruss Undercutting tool and method for creating a blind hole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2684659A1 (en) * 2012-07-13 2014-01-15 Christoph Gruss Undercutting tool and method for creating a blind hole

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