IT1208962B - Elemento espandibile a dilatazione controllata ed agente a mezzo di fluidi in pressione. - Google Patents

Elemento espandibile a dilatazione controllata ed agente a mezzo di fluidi in pressione.

Info

Publication number
IT1208962B
IT1208962B IT8304821A IT482183A IT1208962B IT 1208962 B IT1208962 B IT 1208962B IT 8304821 A IT8304821 A IT 8304821A IT 482183 A IT482183 A IT 482183A IT 1208962 B IT1208962 B IT 1208962B
Authority
IT
Italy
Prior art keywords
agent
expandable element
controlled expansion
pressurized fluids
fluids
Prior art date
Application number
IT8304821A
Other languages
English (en)
Other versions
IT8304821A0 (it
Inventor
Verio Scarafoni
Original Assignee
Verio Scarafoni
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 Verio Scarafoni filed Critical Verio Scarafoni
Priority to IT8304821A priority Critical patent/IT1208962B/it
Publication of IT8304821A0 publication Critical patent/IT8304821A0/it
Priority to EP84830157A priority patent/EP0127593A3/en
Priority to ES532898A priority patent/ES532898A0/es
Priority to PT78663A priority patent/PT78663B/pt
Priority to JP59107658A priority patent/JPS606410A/ja
Application granted granted Critical
Publication of IT1208962B publication Critical patent/IT1208962B/it

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
    • 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
    • B28B21/18—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Springs (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
IT8304821A 1983-05-30 1983-05-30 Elemento espandibile a dilatazione controllata ed agente a mezzo di fluidi in pressione. IT1208962B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT8304821A IT1208962B (it) 1983-05-30 1983-05-30 Elemento espandibile a dilatazione controllata ed agente a mezzo di fluidi in pressione.
EP84830157A EP0127593A3 (en) 1983-05-30 1984-05-21 Device which can be enlarged with a controlled expansion
ES532898A ES532898A0 (es) 1983-05-30 1984-05-29 Dispositivo expansible de forma controlada, para encofrado de hormigon
PT78663A PT78663B (en) 1983-05-30 1984-05-29 Device which can be enlarged with a controlled expansion
JP59107658A JPS606410A (ja) 1983-05-30 1984-05-29 モ−ルデイング装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8304821A IT1208962B (it) 1983-05-30 1983-05-30 Elemento espandibile a dilatazione controllata ed agente a mezzo di fluidi in pressione.

Publications (2)

Publication Number Publication Date
IT8304821A0 IT8304821A0 (it) 1983-05-30
IT1208962B true IT1208962B (it) 1989-07-10

Family

ID=11114336

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8304821A IT1208962B (it) 1983-05-30 1983-05-30 Elemento espandibile a dilatazione controllata ed agente a mezzo di fluidi in pressione.

Country Status (5)

Country Link
EP (1) EP0127593A3 (it)
JP (1) JPS606410A (it)
ES (1) ES532898A0 (it)
IT (1) IT1208962B (it)
PT (1) PT78663B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ216568A (en) * 1985-06-18 1988-07-28 Graeme Reginald Hume Casting concrete pipes around expandable mandrel
JPH0371808A (ja) * 1989-08-10 1991-03-27 Natl House Ind Co Ltd コンクリート部材の製造方法
ES2061359B1 (es) * 1992-07-02 1997-04-01 Lopez Victor Pena Molde recuperable para la construccion "in situ" de nichos de hormigon.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE419216A (it) *
DE714213C (de) * 1936-03-06 1941-11-24 Zeppelin Wohlfahrt G M B H Ausweitbarer Kern fuer die Herstellung von Hohlformsteinen
US2170188A (en) * 1937-10-30 1939-08-22 Walter H Cobi Collapsible core
US2315634A (en) * 1941-06-23 1943-04-06 Harold C Mccall Expansible core mold
US2730783A (en) * 1950-10-12 1956-01-17 Lock Joint Pipe Co Apparatus for forming concrete pipes and other hollow bodies
FR1122008A (fr) * 1955-01-31 1956-08-30 Noyau expansible pour la fabrication de produits de forme bien définie, à partir de matières pulvérulentes
US3021900A (en) * 1957-10-10 1962-02-20 Marchioli Giorgio Apparatus for manufacturing pipes from plastic materials
CH504290A (de) * 1968-11-13 1971-03-15 Seelze & Eichriede Fulgurit Verfahren und Vorrichtung zur Querschnittsverformung nahtloser Asbestzementrohre
DE2453706C2 (de) * 1974-11-13 1982-08-26 WKR Patentverwertungsgesellschaft mbH, 6833 Waghäusel Einstückige Kernschalung zum Herstellen von großflächigen Bauteilen mit Hohlräumen großer Breite

Also Published As

Publication number Publication date
EP0127593A2 (en) 1984-12-05
PT78663B (en) 1986-08-08
IT8304821A0 (it) 1983-05-30
ES8504005A1 (es) 1985-04-16
JPS606410A (ja) 1985-01-14
ES532898A0 (es) 1985-04-16
PT78663A (en) 1984-06-01
EP0127593A3 (en) 1985-08-07

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19980506