FI893268A0 - Device for forming hollow concrete slabs - Google Patents

Device for forming hollow concrete slabs

Info

Publication number
FI893268A0
FI893268A0 FI893268A FI893268A FI893268A0 FI 893268 A0 FI893268 A0 FI 893268A0 FI 893268 A FI893268 A FI 893268A FI 893268 A FI893268 A FI 893268A FI 893268 A0 FI893268 A0 FI 893268A0
Authority
FI
Finland
Prior art keywords
concrete slabs
hollow concrete
forming hollow
forming
slabs
Prior art date
Application number
FI893268A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI93326B (en
FI93326C (en
FI893268A (en
Inventor
Ernst Martens
Original Assignee
Ultra Span
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 Ultra Span filed Critical Ultra Span
Publication of FI893268A0 publication Critical patent/FI893268A0/en
Publication of FI893268A publication Critical patent/FI893268A/en
Publication of FI93326B publication Critical patent/FI93326B/en
Application granted granted Critical
Publication of FI93326C publication Critical patent/FI93326C/en

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
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
    • B28B3/228—Slipform casting extruder, e.g. self-propelled extruder
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/084—Producing shaped prefabricated articles from the material by vibrating or jolting the vibrating moulds or cores being moved horizontally for making strands of moulded articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
FI893268A 1988-07-06 1989-07-05 Device for forming hollow concrete slabs FI93326C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888816085A GB8816085D0 (en) 1988-07-06 1988-07-06 Auxiliary auger assembly for hollow core slab production
GB8816085 1988-07-06

Publications (4)

Publication Number Publication Date
FI893268A0 true FI893268A0 (en) 1989-07-05
FI893268A FI893268A (en) 1990-01-07
FI93326B FI93326B (en) 1994-12-15
FI93326C FI93326C (en) 1995-03-27

Family

ID=10639960

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893268A FI93326C (en) 1988-07-06 1989-07-05 Device for forming hollow concrete slabs

Country Status (3)

Country Link
CA (1) CA1308882C (en)
FI (1) FI93326C (en)
GB (2) GB8816085D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993020990A1 (en) * 1992-04-14 1993-10-28 Assadollah Redjvani A method of continuous concrete casting by extrusion
FI20021092A (en) * 2002-06-07 2003-12-08 Consolis Technology Oy Ab Process and apparatus for casting concrete products
FI121656B (en) 2009-04-09 2011-02-28 Elematic Group Oy Concrete mass feed screw, method for producing feed screw and sliding casting equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB548339A (en) * 1941-03-04 1942-10-07 Redfern S Rubber Works Ltd Improvements in feed scrolls for extruding machines and to machines incorporating such scrolls
GB1201366A (en) * 1967-10-09 1970-08-05 Spiroll Corp Ltd Pile extruder
GB1259105A (en) * 1968-02-29 1972-01-05
FI62783C (en) * 1977-08-10 1983-03-10 Paraisten Kalkki Oy GLIDGJUTMASKIN AVSEDD ATT ANVAENDAS FOER FRAMSTAELLNING AV HAOLPLATTOR OCH LIKNANDE
FI67320C (en) * 1983-05-09 1985-03-11 Partek Ab GLOBAL REQUIREMENTS FOR THE CONDUCT OF CONCRETE

Also Published As

Publication number Publication date
GB2221646B (en) 1992-09-09
FI93326B (en) 1994-12-15
GB8816085D0 (en) 1988-08-10
GB2221646A (en) 1990-02-14
FI93326C (en) 1995-03-27
CA1308882C (en) 1992-10-20
FI893268A (en) 1990-01-07
GB8915521D0 (en) 1989-08-23

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: ULTRA SPAN - A DIVISION OF ALPHAIR