FI865342A0 - Foerbaettringar i spiralblandare avsedda foer maskiner foer framstaellning av betonghaolplattor. - Google Patents

Foerbaettringar i spiralblandare avsedda foer maskiner foer framstaellning av betonghaolplattor.

Info

Publication number
FI865342A0
FI865342A0 FI865342A FI865342A FI865342A0 FI 865342 A0 FI865342 A0 FI 865342A0 FI 865342 A FI865342 A FI 865342A FI 865342 A FI865342 A FI 865342A FI 865342 A0 FI865342 A0 FI 865342A0
Authority
FI
Finland
Prior art keywords
foer
spiralblandare
betonghaolplattor
foerbaettringar
maskiner
Prior art date
Application number
FI865342A
Other languages
English (en)
Other versions
FI865342A (fi
Inventor
Ernst Martens
Original Assignee
Alphair Ventilating Systems
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 Alphair Ventilating Systems filed Critical Alphair Ventilating Systems
Publication of FI865342A0 publication Critical patent/FI865342A0/fi
Publication of FI865342A publication Critical patent/FI865342A/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/24—Extrusion presses; Dies therefor using screws or worms
    • B30B11/246—Screw constructions
    • 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
    • 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
    • B28B3/222—Screw or worm constructions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
FI865342A 1985-12-31 1986-12-30 Foerbaettringar i spiralblandare avsedda foer maskiner foer framstaellning av betonghaolplattor. FI865342A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858531919A GB8531919D0 (en) 1985-12-31 1985-12-31 Auger construction for concrete slabs

Publications (2)

Publication Number Publication Date
FI865342A0 true FI865342A0 (fi) 1986-12-30
FI865342A FI865342A (fi) 1987-07-01

Family

ID=10590351

Family Applications (1)

Application Number Title Priority Date Filing Date
FI865342A FI865342A (fi) 1985-12-31 1986-12-30 Foerbaettringar i spiralblandare avsedda foer maskiner foer framstaellning av betonghaolplattor.

Country Status (4)

Country Link
US (1) US4710112A (fi)
CA (1) CA1280273C (fi)
FI (1) FI865342A (fi)
GB (2) GB8531919D0 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5238374A (en) * 1991-02-11 1993-08-24 Ultra Span, A Division Of Alphair Ventilating Systems, Inc. Apparatus for controlling density profile in a concrete extruded slab
US6331069B1 (en) * 1998-01-14 2001-12-18 George Putti Concrete extrusion machine and spiral conveyor therefor
DE10037766A1 (de) * 2000-08-03 2002-02-14 Hochtief Fertigteilbau Gmbh Spannbetonhohlplatte und Verfahren zur Herstellung derselben
FI122389B (fi) * 2010-04-16 2011-12-30 Jouni Ahonen Menetelmä ja sovitelma betonin syöttämiseksi ja tiivistämiseksi sekä syöttöruuvi

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA623476A (en) * 1961-07-11 G. Ellis Fredrick Machine for extruding hollow cored concrete sections
CA720048A (en) * 1965-10-19 C. Booth Glen Machines for forming hollow cored concrete products
US3146508A (en) * 1959-11-03 1964-09-01 Henry A Berliner Apparatus for extruding reinforced members
US3181222A (en) * 1962-09-27 1965-05-04 Percy W Palmer Machine for manufacture of prestressed concrete conduit
DE1909009B2 (de) * 1969-02-22 1973-04-26 Fried Krupp GmbH, 4300 Essen Mehrgaengige extruderschnecke
US3926541A (en) * 1970-06-29 1975-12-16 Frederick M Hewitt Extruder with interacting auger and care means
GB1434368A (en) * 1972-06-16 1976-05-05 Matthews Co Worcester Ltd K R Feed screws and apparatus such as extrusion machines especially fo working plastics materials
US3858856A (en) * 1973-01-26 1975-01-07 John S Hsu Extruder screw
US4067676A (en) * 1974-12-19 1978-01-10 Hewitt Frederick M Apparatus for extruding reinforced concrete
US4022556A (en) * 1975-04-30 1977-05-10 The George Hyman Construction Company Concrete slab extruder having a free flight auger
US4000884A (en) * 1975-07-25 1977-01-04 Chung Chan I Extruder screw
DE2543328B2 (de) * 1975-09-29 1978-01-12 Paul Troester Maschinenfabrik, 3000 Hannover Vorrichtung zum extrudieren von thermoplastischen kunststoffen und elastomeren
JPS5249267A (en) * 1975-10-17 1977-04-20 Japan Steel Works Ltd Degassing modifying extruder
US4133619A (en) * 1976-09-10 1979-01-09 The Flexicore Co., Inc. Extrusion casting apparatus
US4084928A (en) * 1976-11-03 1978-04-18 Cmi Corporation Slip form having reinforcement accommodating means
CA1105244A (en) * 1978-05-03 1981-07-21 George Putti Machine for extruding hollow cored concrete sections

Also Published As

Publication number Publication date
FI865342A (fi) 1987-07-01
GB8631096D0 (en) 1987-02-04
GB2184976A (en) 1987-07-08
GB8531919D0 (en) 1986-02-05
GB2184976B (en) 1990-03-21
US4710112A (en) 1987-12-01
CA1280273C (en) 1991-02-19

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Legal Events

Date Code Title Description
FC Application refused

Owner name: ALPHAIR VENTILATING SYSTEMS INC.