ZA724367B - Device for forming shear keyways on sides of extruded slabs and the like - Google Patents

Device for forming shear keyways on sides of extruded slabs and the like

Info

Publication number
ZA724367B
ZA724367B ZA724367A ZA724367A ZA724367B ZA 724367 B ZA724367 B ZA 724367B ZA 724367 A ZA724367 A ZA 724367A ZA 724367 A ZA724367 A ZA 724367A ZA 724367 B ZA724367 B ZA 724367B
Authority
ZA
South Africa
Prior art keywords
keyways
sides
forming shear
slabs
extruded
Prior art date
Application number
ZA724367A
Other languages
English (en)
Inventor
D Herbert
E Martens
Original Assignee
Spiroll Corp Ltd
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 Spiroll Corp Ltd filed Critical Spiroll Corp Ltd
Publication of ZA724367B publication Critical patent/ZA724367B/xx

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
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0863—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for profiling, e.g. making grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
ZA724367A 1971-07-02 1972-06-26 Device for forming shear keyways on sides of extruded slabs and the like ZA724367B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3122171A GB1387826A (en) 1971-07-02 1971-07-02 Device for forming shear keyways on sides of extruded slabs and the like

Publications (1)

Publication Number Publication Date
ZA724367B true ZA724367B (en) 1973-03-28

Family

ID=10319847

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA724367A ZA724367B (en) 1971-07-02 1972-06-26 Device for forming shear keyways on sides of extruded slabs and the like

Country Status (21)

Country Link
US (1) US3781154A (xx)
AT (1) AT318459B (xx)
AU (1) AU473875B2 (xx)
BE (1) BE785651A (xx)
BR (1) BR7204315D0 (xx)
CA (1) CA958193A (xx)
CH (1) CH557225A (xx)
CS (1) CS164780B2 (xx)
DD (1) DD97379A5 (xx)
DE (1) DE2232305C3 (xx)
DK (1) DK133087C (xx)
ES (1) ES407033A1 (xx)
FR (1) FR2145206A5 (xx)
GB (1) GB1387826A (xx)
IE (1) IE36648B1 (xx)
IT (1) IT962375B (xx)
NL (1) NL7209071A (xx)
NO (1) NO134688C (xx)
PL (1) PL84827B1 (xx)
SE (1) SE378375B (xx)
ZA (1) ZA724367B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022556A (en) * 1975-04-30 1977-05-10 The George Hyman Construction Company Concrete slab extruder having a free flight auger
GB1550154A (en) * 1976-07-09 1979-08-08 Spiroll Corp Ltd Devices for forming shear keyways in extruded slabs of concrete material
US4133619A (en) * 1976-09-10 1979-01-09 The Flexicore Co., Inc. Extrusion casting apparatus
FR2492722A1 (fr) * 1980-10-28 1982-04-30 Neuman Marcel Machine perfectionnee pour densifier en continu les materiaux ligneux-cellulosiques ou analogues
US4600549A (en) * 1984-04-23 1986-07-15 Kimberly-Clark Corporation Method and device for producing endless synchronous belt with modifed teeth
FI76518B (fi) * 1986-01-17 1988-07-29 Kt Suunnittelu Oy Foerfarande och anordning foer formning av bindspaor i sidoytorna hos ett betongelement.
FI76514C (fi) * 1986-04-07 1989-07-31 Kt Suunnittelu Oy Foerfarande och anordning foer gjutning av betongelement.
IT1195098B (it) * 1986-07-11 1988-10-12 Russo A & C Sas Impianto per la produzione su pista di pannelli alveolari in cemento armato precompresso o parzialmente precompresso o con armatura lenta estesa alle superfici inferiore e superiore ed alle costole e prodotto derivato
US4968236A (en) * 1989-07-06 1990-11-06 Ultra Span - A Division Of Alphair Ventilating Systems Inc. Auxiliary auger assembly for hollow core slab production
US5533888A (en) * 1990-08-21 1996-07-09 Belarde; John F. Apparatus for forming concrete barriers
US5173309A (en) * 1990-08-21 1992-12-22 Belarde John F Apparatus for forming concrete barriers
FI101208B1 (fi) * 1992-10-05 1998-05-15 Addtek Res & Dev Oy Ab Menetelmä betonituotteiden valamiseksi
FI109284B (fi) * 1996-12-04 2002-06-28 Partek Concrete Dev Oy Ab Menetelmä ja laitteisto betonituotteiden valamiseksi
US6923630B2 (en) * 2001-07-30 2005-08-02 Slipstone, Inc. Apparatus and method for impressing patterns in a slip-formed concrete wall
GB2433912B (en) * 2005-09-28 2010-12-22 Laing O Rourke Plc A keyway former
CN103909558A (zh) * 2014-04-24 2014-07-09 河南省四达仙龙实业有限公司 一种水泥楼板成型机的补水机构
CN105693162A (zh) * 2016-01-21 2016-06-22 正太集团有限公司 半干性砼及用于预制按长截取空心楼板的方法

Also Published As

Publication number Publication date
DE2232305B2 (de) 1974-02-14
BR7204315D0 (pt) 1973-07-03
NO134688C (xx) 1976-12-01
CA958193A (en) 1974-11-26
AU4405672A (en) 1974-01-03
US3781154A (en) 1973-12-25
IE36648B1 (en) 1977-01-19
BE785651A (fr) 1972-10-16
DE2232305A1 (de) 1973-01-18
DK133087C (da) 1976-08-23
IT962375B (it) 1973-12-20
CH557225A (de) 1974-12-31
AT318459B (de) 1974-10-25
NO134688B (xx) 1976-08-23
NL7209071A (xx) 1973-01-04
CS164780B2 (xx) 1975-11-28
IE36648L (en) 1973-01-02
AU473875B2 (en) 1976-07-08
ES407033A1 (es) 1975-11-01
SE378375B (xx) 1975-09-01
PL84827B1 (xx) 1976-04-30
DE2232305C3 (de) 1974-09-12
DK133087B (da) 1976-03-22
GB1387826A (en) 1975-03-19
FR2145206A5 (xx) 1973-02-16
DD97379A5 (xx) 1973-05-05

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