FR1275072A - Process of forming a hole in concrete - Google Patents

Process of forming a hole in concrete

Info

Publication number
FR1275072A
FR1275072A FR840977D FR840977D FR1275072A FR 1275072 A FR1275072 A FR 1275072A FR 840977 D FR840977 D FR 840977D FR 840977 D FR840977 D FR 840977D FR 1275072 A FR1275072 A FR 1275072A
Authority
FR
France
Prior art keywords
concrete
hole
forming
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
FR840977D
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of FR1275072A publication Critical patent/FR1275072A/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
    • E04G15/066—Re-usable forms with fluid 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)
FR840977D 1959-10-14 1960-10-12 Process of forming a hole in concrete Expired FR1275072A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL244320 1959-10-14
NL255223 1960-08-25

Publications (1)

Publication Number Publication Date
FR1275072A true FR1275072A (en) 1961-11-03

Family

ID=8740627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840977D Expired FR1275072A (en) 1959-10-14 1960-10-12 Process of forming a hole in concrete

Country Status (1)

Country Link
FR (1) FR1275072A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11384548B2 (en) * 2019-04-12 2022-07-12 DPR Construction Sleeve for concrete slab penetration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11384548B2 (en) * 2019-04-12 2022-07-12 DPR Construction Sleeve for concrete slab penetration

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