AU492082B1 - Improved production method for concrete sleepers - Google Patents

Improved production method for concrete sleepers

Info

Publication number
AU492082B1
AU492082B1 AU84281/75A AU8428175A AU492082B1 AU 492082 B1 AU492082 B1 AU 492082B1 AU 84281/75 A AU84281/75 A AU 84281/75A AU 8428175 A AU8428175 A AU 8428175A AU 492082 B1 AU492082 B1 AU 492082B1
Authority
AU
Australia
Prior art keywords
production method
improved production
concrete sleepers
sleepers
concrete
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
AU84281/75A
Inventor
Lyndon Bratchell Robert
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.)
Amatek Ltd
Original Assignee
Amatek 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 Amatek Ltd filed Critical Amatek Ltd
Priority to AU84281/75A priority Critical patent/AU492082B1/en
Application granted granted Critical
Publication of AU492082B1 publication Critical patent/AU492082B1/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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0056—Means for inserting the elements into the mould or supporting them in 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
    • B28B7/388—Treating surfaces of moulds, cores, or mandrels to prevent sticking with liquid material, e.g. lubricating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
AU84281/75A 1974-08-27 1974-08-27 Improved production method for concrete sleepers Expired AU492082B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU84281/75A AU492082B1 (en) 1974-08-27 1974-08-27 Improved production method for concrete sleepers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU84281/75A AU492082B1 (en) 1974-08-27 1974-08-27 Improved production method for concrete sleepers

Publications (1)

Publication Number Publication Date
AU492082B1 true AU492082B1 (en) 1977-03-03

Family

ID=3761856

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84281/75A Expired AU492082B1 (en) 1974-08-27 1974-08-27 Improved production method for concrete sleepers

Country Status (1)

Country Link
AU (1) AU492082B1 (en)

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