AU468954B2 - Machine for manufacturing hollow core structures of concrete and the like - Google Patents

Machine for manufacturing hollow core structures of concrete and the like

Info

Publication number
AU468954B2
AU468954B2 AU41275/72A AU4127572A AU468954B2 AU 468954 B2 AU468954 B2 AU 468954B2 AU 41275/72 A AU41275/72 A AU 41275/72A AU 4127572 A AU4127572 A AU 4127572A AU 468954 B2 AU468954 B2 AU 468954B2
Authority
AU
Australia
Prior art keywords
concrete
machine
hollow core
core structures
manufacturing hollow
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.)
Expired
Application number
AU41275/72A
Other versions
AU4127572A (en
Inventor
MARVIN THORSTEINSON and ERNST MARTENS FREDERICK SELLERS
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.)
Spiroff Corp Ltd
Original Assignee
Spiroff 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
Priority to GB935671A priority Critical patent/GB1396882A/en
Priority claimed from CA139,466A external-priority patent/CA973335A/en
Application filed by Spiroff Corp Ltd filed Critical Spiroff Corp Ltd
Priority to AU41275/72A priority patent/AU468954B2/en
Priority to NL7206176A priority patent/NL7206176A/xx
Priority to CH836472A priority patent/CH555228A/en
Priority to DE2228597A priority patent/DE2228597A1/en
Priority to US00296189A priority patent/US3809513A/en
Publication of AU4127572A publication Critical patent/AU4127572A/en
Application granted granted Critical
Publication of AU468954B2 publication Critical patent/AU468954B2/en
Expired 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
    • B28B7/32—Cores; Mandrels adjustable, collapsible, or expanding inflatable
    • 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
    • B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
    • 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
    • B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
    • 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
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • 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
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying
AU41275/72A 1971-04-14 1972-04-18 Machine for manufacturing hollow core structures of concrete and the like Expired AU468954B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB935671A GB1396882A (en) 1971-04-14 1971-04-14 Machine for manufacturing hollow structures of settable material for example concrete
AU41275/72A AU468954B2 (en) 1972-04-12 1972-04-18 Machine for manufacturing hollow core structures of concrete and the like
NL7206176A NL7206176A (en) 1972-04-12 1972-05-08
CH836472A CH555228A (en) 1972-04-12 1972-06-06 Hollow concrete structures - moulded using cores covered with pneumati-cally expandable sleeves in moulds having water extraction members
DE2228597A DE2228597A1 (en) 1972-04-12 1972-06-12 CONCRETE CASTING DEVICE FOR HALVED CEILINGS, HALVED WALLS OR DGL
US00296189A US3809513A (en) 1971-04-14 1972-10-10 Machine for manufacturing hollow core structures of concrete and the like

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA139,466A CA973335A (en) 1972-04-12 1972-04-12 Machine for manufacturing hollow core structures of concrete and the like
AU41275/72A AU468954B2 (en) 1972-04-12 1972-04-18 Machine for manufacturing hollow core structures of concrete and the like

Publications (2)

Publication Number Publication Date
AU4127572A AU4127572A (en) 1973-10-25
AU468954B2 true AU468954B2 (en) 1976-01-29

Family

ID=34634770

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41275/72A Expired AU468954B2 (en) 1971-04-14 1972-04-18 Machine for manufacturing hollow core structures of concrete and the like

Country Status (1)

Country Link
AU (1) AU468954B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8527491D0 (en) * 1985-11-07 1985-12-11 Bevan Assoc Moulding of construction products

Also Published As

Publication number Publication date
AU4127572A (en) 1973-10-25

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