ES532898A0 - CONTROLLED EXPANDABLE DEVICE FOR CONCRETE FORMWORK - Google Patents

CONTROLLED EXPANDABLE DEVICE FOR CONCRETE FORMWORK

Info

Publication number
ES532898A0
ES532898A0 ES532898A ES532898A ES532898A0 ES 532898 A0 ES532898 A0 ES 532898A0 ES 532898 A ES532898 A ES 532898A ES 532898 A ES532898 A ES 532898A ES 532898 A0 ES532898 A0 ES 532898A0
Authority
ES
Spain
Prior art keywords
expandable device
concrete formwork
controlled expandable
controlled
formwork
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.)
Granted
Application number
ES532898A
Other languages
Spanish (es)
Other versions
ES8504005A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES8504005A1 publication Critical patent/ES8504005A1/en
Publication of ES532898A0 publication Critical patent/ES532898A0/en
Granted 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
    • 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)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Reinforcement Elements For Buildings (AREA)
ES532898A 1983-05-30 1984-05-29 CONTROLLED EXPANDABLE DEVICE FOR CONCRETE FORMWORK Granted ES532898A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8304821A IT1208962B (en) 1983-05-30 1983-05-30 EXPANDABLE ELEMENT WITH CONTROLLED EXPANSION AND AGENT BY MEANS OF PRESSURIZED FLUIDS.

Publications (2)

Publication Number Publication Date
ES8504005A1 ES8504005A1 (en) 1985-04-16
ES532898A0 true ES532898A0 (en) 1985-04-16

Family

ID=11114336

Family Applications (1)

Application Number Title Priority Date Filing Date
ES532898A Granted ES532898A0 (en) 1983-05-30 1984-05-29 CONTROLLED EXPANDABLE DEVICE FOR CONCRETE FORMWORK

Country Status (5)

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

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 (en) * 1989-08-10 1991-03-27 Natl House Ind Co Ltd Manufacture of concrete member
ES2061359B1 (en) * 1992-07-02 1997-04-01 Lopez Victor Pena RECOVERABLE MOLD FOR THE CONSTRUCTION "IN SITU" OF CONCRETE NICHES.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE419216A (en) *
DE714213C (en) * 1936-03-06 1941-11-24 Zeppelin Wohlfahrt G M B H Expandable core for the production of hollow blocks
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 (en) * 1955-01-31 1956-08-30 Expandable core for the production of well-defined products from powdery materials
US3021900A (en) * 1957-10-10 1962-02-20 Marchioli Giorgio Apparatus for manufacturing pipes from plastic materials
CH504290A (en) * 1968-11-13 1971-03-15 Seelze & Eichriede Fulgurit Method and device for the cross-sectional deformation of seamless asbestos-cement pipes
DE2453706C2 (en) * 1974-11-13 1982-08-26 WKR Patentverwertungsgesellschaft mbH, 6833 Waghäusel One-piece core formwork for the production of large-area components with large-width cavities

Also Published As

Publication number Publication date
JPS606410A (en) 1985-01-14
EP0127593A2 (en) 1984-12-05
PT78663B (en) 1986-08-08
IT8304821A0 (en) 1983-05-30
EP0127593A3 (en) 1985-08-07
PT78663A (en) 1984-06-01
IT1208962B (en) 1989-07-10
ES8504005A1 (en) 1985-04-16

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