ES338911A1 - Aparato para la fabricacion de tubos de hormigon pretensa- dos. - Google Patents

Aparato para la fabricacion de tubos de hormigon pretensa- dos.

Info

Publication number
ES338911A1
ES338911A1 ES338911A ES338911A ES338911A1 ES 338911 A1 ES338911 A1 ES 338911A1 ES 338911 A ES338911 A ES 338911A ES 338911 A ES338911 A ES 338911A ES 338911 A1 ES338911 A1 ES 338911A1
Authority
ES
Spain
Prior art keywords
concrete
pipe
water
mould
pressure
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
ES338911A
Other languages
English (en)
Spanish (es)
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.)
Rocla Concrete Pipes Ltd
Original Assignee
Rocla Concrete Pipes 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 Rocla Concrete Pipes Ltd filed Critical Rocla Concrete Pipes Ltd
Publication of ES338911A1 publication Critical patent/ES338911A1/es
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
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
    • B28B21/18—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements
    • 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
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
    • 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
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/90—Methods or apparatus for demoulding or discharging after shaping

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
ES338911A 1966-04-06 1967-04-04 Aparato para la fabricacion de tubos de hormigon pretensa- dos. Expired ES338911A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU3913/66A AU391366A (en) 1966-04-06 1966-04-06 Improvements in and relating tothe manufacture of prestresses concrete pipes

Publications (1)

Publication Number Publication Date
ES338911A1 true ES338911A1 (es) 1968-08-16

Family

ID=3694388

Family Applications (1)

Application Number Title Priority Date Filing Date
ES338911A Expired ES338911A1 (es) 1966-04-06 1967-04-04 Aparato para la fabricacion de tubos de hormigon pretensa- dos.

Country Status (8)

Country Link
AU (1) AU391366A (OSRAM)
BE (1) BE696634A (OSRAM)
CH (1) CH450262A (OSRAM)
DE (1) DE1683945A1 (OSRAM)
ES (1) ES338911A1 (OSRAM)
GB (1) GB1142535A (OSRAM)
NL (1) NL6704767A (OSRAM)
SE (1) SE315537B (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ216568A (en) * 1985-06-18 1988-07-28 Graeme Reginald Hume Casting concrete pipes around expandable mandrel
CN110542703B (zh) * 2019-10-14 2022-07-19 哈尔滨工业大学 监测约束状态下泡沫混凝土热胀应力和变形的装置与方法
CN112207970B (zh) * 2020-11-05 2025-03-25 合肥双凤朝阳机械贸易有限公司 一种芯模搓压装置
CN112895113B (zh) * 2021-01-15 2021-08-24 金华巨龙管道有限公司 一种多功能预应力混凝土管及其制作方法
CN113910441B (zh) * 2021-11-10 2022-11-25 徐州市解台水泥制品有限公司 一种水泥管成型装置
CN116638622B (zh) * 2023-06-13 2025-04-25 南京运达新型建材有限公司 一种密封性能好的混凝土排水管制备方法

Also Published As

Publication number Publication date
BE696634A (OSRAM) 1967-09-18
CH450262A (de) 1968-01-15
SE315537B (OSRAM) 1969-09-29
GB1142535A (en) 1969-02-12
NL6704767A (OSRAM) 1967-10-09
AU391366A (en) 1969-10-10
DE1683945A1 (de) 1971-03-04

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