GB800870A - Improved means for forming hollow cementitious articles such as pipes - Google Patents

Improved means for forming hollow cementitious articles such as pipes

Info

Publication number
GB800870A
GB800870A GB29219/55A GB2921955A GB800870A GB 800870 A GB800870 A GB 800870A GB 29219/55 A GB29219/55 A GB 29219/55A GB 2921955 A GB2921955 A GB 2921955A GB 800870 A GB800870 A GB 800870A
Authority
GB
United Kingdom
Prior art keywords
core
pipe
shutters
handle
cast
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
GB29219/55A
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.)
JOHAN DIEDRIK AUCAMP
Original Assignee
JOHAN DIEDRIK AUCAMP
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 JOHAN DIEDRIK AUCAMP filed Critical JOHAN DIEDRIK AUCAMP
Publication of GB800870A publication Critical patent/GB800870A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00—Expansion-compensation arrangements for pipe-lines
    • F16L51/005—Expansion-compensation arrangements for pipe-lines for concrete pipe-lines
    • 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
    • B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

800,870. Moulding concrete pipes, posts &c. AUCAMP, J. D. Oct. 13, 1955 [Oct. 22, 1954 ; July 5, 1955], No. 29219/55. Class 87(2). [Also in Groups X and XXVIII] Concrete &c. pipes are cast in situ between shutters 1 and a core 10 which is rotated and withdrawn by a handle 23 and bevel gear 19. The shutters 1 are supported by yokes 7 and the core 10 is supported by a bearing 15 on a slide 16 carrying the handle 23. A cable 28 is connected to an end yoke 7 and is adapted to be wound on a drum 24 when this is connected to the handle 23 by a clutch 25 to move the slide 16 along the top of the shutters 1 and withdraw the core 10. The core 10 passes through a bridging member 9 between the shutters which carries a core cleaning rim 11. A sleeve 13 forms a socket in the end of the pipe to guide the end of the core into position for casting the next length of pipe. Branch pipe fittings 37 may be cast in the pipe. Pure cement is sprinkled on top of the core when the level of concrete is just below the top of the core and the core trowels the cement to form a bore with smooth and water impervious surface. Dolomite may be added to form an acid resisting coating. An expansion joint is formed in the pipe by a briding plate in two halves so that it may be removed. Reinforcing wire, as a preliminary step is wound round the core 10 and subsequently cast in the pipe. The bridging member 9 may have an attachment to mould a socket in the end of the pipe and a plate at the other end of the pipe moulds a spigot. To cast a longer pipe, e.g., for a fencing pole a short core 39, Fig. 9, abutting the end of the core 10 and adapted to be turned by a handle 40 is supported by a bridging member 38 at the end of the shuttering 1.
GB29219/55A 1954-10-22 1955-10-13 Improved means for forming hollow cementitious articles such as pipes Expired GB800870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA800870X 1954-10-22

Publications (1)

Publication Number Publication Date
GB800870A true GB800870A (en) 1958-09-03

Family

ID=25575117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29219/55A Expired GB800870A (en) 1954-10-22 1955-10-13 Improved means for forming hollow cementitious articles such as pipes

Country Status (1)

Country Link
GB (1) GB800870A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000240A (en) * 1977-06-10 1979-01-04 Thyssen Industrie Pipeline joints

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000240A (en) * 1977-06-10 1979-01-04 Thyssen Industrie Pipeline joints
GB2000240B (en) * 1977-06-10 1982-06-23 Thyssen Industrie Socketed pipe portion

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