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GB1107132A - Pipes or conduits and method for the production thereof - Google Patents

Pipes or conduits and method for the production thereof

Info

Publication number
GB1107132A
GB1107132A GB1809265A GB1809265A GB1107132A GB 1107132 A GB1107132 A GB 1107132A GB 1809265 A GB1809265 A GB 1809265A GB 1809265 A GB1809265 A GB 1809265A GB 1107132 A GB1107132 A GB 1107132A
Authority
GB
United Kingdom
Prior art keywords
spacers
spaces
deformable
filling material
materials
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
GB1809265A
Inventor
Frederick John Van Den Berg
Johannes Hermanus Potgie Aardt
Mathys Jan Nix
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.)
South African Inventions Development Corp
Original Assignee
South African Inventions Development Corp
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 South African Inventions Development Corp filed Critical South African Inventions Development Corp
Priority to GB1809265A priority Critical patent/GB1107132A/en
Publication of GB1107132A publication Critical patent/GB1107132A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • 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
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

1,107,132. Pipes. SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION. 29 April, 1965, No. 18092/65. Heading F2P. A pipe or conduit comprises two concentric tubular elements 1, 2 at least One of which is made of a deformable synthetic plastics material the elements being separated by spacers 23 to form one or more spaces. A filling material and reinforcing members are disposed in the space or spaces. If one of the tubular elements is rigid, materials which may be used comprise metal, asbestos cement, reinforced polyester resin, unplasticized P.V.C. and polyethylene. Deformable materials comprise pliable synthetic plastics, vulcanised rubber and suitable compounded synthetic rubber mixed with selected resins or plastics materials. The spacers may be apertured as at 24 to allow the flow of the filling material, e.g., cement grout. In the construction shown the same tubular element 1 is deformable and is expanded by a fluid through an inlet 30 before the filling material is introduced through an inlet 26. Several different types of spacers are described some of these being connected by longitudinal and circumferential reinforcements. The outer tubular element may be fabricated from four segments, the edges of which are provided with inwardly directed flanges to provide the spaces (Figs. 5, 6, not shown).
GB1809265A 1965-04-29 1965-04-29 Pipes or conduits and method for the production thereof Expired GB1107132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1809265A GB1107132A (en) 1965-04-29 1965-04-29 Pipes or conduits and method for the production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1809265A GB1107132A (en) 1965-04-29 1965-04-29 Pipes or conduits and method for the production thereof

Publications (1)

Publication Number Publication Date
GB1107132A true GB1107132A (en) 1968-03-20

Family

ID=10106524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1809265A Expired GB1107132A (en) 1965-04-29 1965-04-29 Pipes or conduits and method for the production thereof

Country Status (1)

Country Link
GB (1) GB1107132A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752259A (en) * 1971-05-13 1973-08-14 Wright Eng Co Ltd Sound reducing device for use with bar fed machinery
EP0492129A1 (en) * 1990-11-26 1992-07-01 Excell Corporation A multi-layer plastic pipe and its method for manufacturing
CN107588245A (en) * 2017-09-29 2018-01-16 镇江市星耀智能装备有限公司 A kind of good pipeline of stability

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752259A (en) * 1971-05-13 1973-08-14 Wright Eng Co Ltd Sound reducing device for use with bar fed machinery
EP0492129A1 (en) * 1990-11-26 1992-07-01 Excell Corporation A multi-layer plastic pipe and its method for manufacturing
US5699835A (en) * 1990-11-26 1997-12-23 Excell Corporation Multi-layer plastic hollow pipe
US6251332B1 (en) 1990-11-26 2001-06-26 Excell Corporation Method for manufacturing a multilayer plastic pipe
US6537484B2 (en) 1990-11-26 2003-03-25 Excell Corporation Method for manufacturing a multi-layer plastic pipe
CN107588245A (en) * 2017-09-29 2018-01-16 镇江市星耀智能装备有限公司 A kind of good pipeline of stability

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