IT955238B - HOLLOW AND ELASTIC BODY OF FORMWORK PARTICULARLY FOR THE FORMATION OF DUCTS USING OSTRICH LIME - Google Patents

HOLLOW AND ELASTIC BODY OF FORMWORK PARTICULARLY FOR THE FORMATION OF DUCTS USING OSTRICH LIME

Info

Publication number
IT955238B
IT955238B IT23998/72A IT2399872A IT955238B IT 955238 B IT955238 B IT 955238B IT 23998/72 A IT23998/72 A IT 23998/72A IT 2399872 A IT2399872 A IT 2399872A IT 955238 B IT955238 B IT 955238B
Authority
IT
Italy
Prior art keywords
ostrich
ducts
lime
hollow
formation
Prior art date
Application number
IT23998/72A
Other languages
Italian (it)
Original Assignee
Semperit 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
Priority claimed from AT392871A external-priority patent/AT312899B/en
Priority claimed from AT25372A external-priority patent/AT320946B/en
Application filed by Semperit Ag filed Critical Semperit Ag
Application granted granted Critical
Publication of IT955238B publication Critical patent/IT955238B/en

Links

Classifications

    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
    • 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
    • B28B21/86—Cores
    • B28B21/88—Cores adjustable, collapsible or expansible
    • 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
    • B28B7/32—Cores; Mandrels adjustable, collapsible, or expanding inflatable
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
    • E04G11/045—Inflatable forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
IT23998/72A 1971-05-05 1972-05-05 HOLLOW AND ELASTIC BODY OF FORMWORK PARTICULARLY FOR THE FORMATION OF DUCTS USING OSTRICH LIME IT955238B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT392871A AT312899B (en) 1971-05-05 1971-05-05 Reusable formwork hollow body made of elastic material and filled with a gaseous or liquid medium
AT25372A AT320946B (en) 1972-01-13 1972-01-13 Reusable, hollow shuttering body filled with a gaseous or liquid medium

Publications (1)

Publication Number Publication Date
IT955238B true IT955238B (en) 1973-09-29

Family

ID=25592049

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23998/72A IT955238B (en) 1971-05-05 1972-05-05 HOLLOW AND ELASTIC BODY OF FORMWORK PARTICULARLY FOR THE FORMATION OF DUCTS USING OSTRICH LIME

Country Status (7)

Country Link
CH (1) CH544636A (en)
DE (1) DE2221653A1 (en)
FR (1) FR2135668B1 (en)
GB (1) GB1371568A (en)
HU (1) HU168860B (en)
IT (1) IT955238B (en)
NL (1) NL7205985A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923016C2 (en) * 1979-06-07 1986-10-09 Ruhrkohle Ag, 4300 Essen Composition consisting of flexible shells that can be connected to one another and filled with material capable of binding to fill in cavities, in particular cavities in mining
IE49962B1 (en) * 1979-08-09 1986-01-22 Johnston Constr Ltd Lining or relining of tunnels
GB2188689A (en) * 1986-04-05 1987-10-07 Owen Gregory Gallagher Inflatable pipe shutter
WO2014163511A1 (en) * 2013-04-05 2014-10-09 Lake Products Limited An inflatable cavity fill or cavity forming member
CN105604317B (en) * 2016-02-24 2018-02-06 广东省建筑设计研究院 A kind of thin-walled square chest hollow floor core and its anti-float method

Also Published As

Publication number Publication date
GB1371568A (en) 1974-10-23
CH544636A (en) 1973-11-30
FR2135668B1 (en) 1973-07-13
NL7205985A (en) 1972-11-07
DE2221653A1 (en) 1972-11-23
HU168860B (en) 1976-07-28
FR2135668A1 (en) 1972-12-22

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