ZA743527B - Improvements in or relating to pipes - Google Patents

Improvements in or relating to pipes

Info

Publication number
ZA743527B
ZA743527B ZA00743527A ZA743527A ZA743527B ZA 743527 B ZA743527 B ZA 743527B ZA 00743527 A ZA00743527 A ZA 00743527A ZA 743527 A ZA743527 A ZA 743527A ZA 743527 B ZA743527 B ZA 743527B
Authority
ZA
South Africa
Prior art keywords
pipes
relating
Prior art date
Application number
ZA00743527A
Inventor
K Hart
B Henfrey
Original Assignee
Duro Penta Holdings Pty 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 Duro Penta Holdings Pty Ltd filed Critical Duro Penta Holdings Pty Ltd
Priority to ZA00743527A priority Critical patent/ZA743527B/en
Priority to GB1645875A priority patent/GB1471507A/en
Priority to JP50057523A priority patent/JPS51562A/ja
Priority to US05/578,333 priority patent/US3992503A/en
Priority to FR7515639A priority patent/FR2273640A2/en
Priority to AU81418/75A priority patent/AU481207B2/en
Priority to IT49758/75A priority patent/IT1050296B/en
Priority to NL7506582A priority patent/NL7506582A/en
Priority to CH715675A priority patent/CH574808A5/xx
Publication of ZA743527B publication Critical patent/ZA743527B/en
Priority to AR265907A priority patent/AR217248Q/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0003—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of successively moulded portions rigidly joined to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/261—Moulds having tubular mould cavities

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
ZA00743527A 1972-04-28 1974-06-04 Improvements in or relating to pipes ZA743527B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ZA00743527A ZA743527B (en) 1974-06-04 1974-06-04 Improvements in or relating to pipes
GB1645875A GB1471507A (en) 1974-06-04 1975-04-21 Moulding pipes
JP50057523A JPS51562A (en) 1974-06-04 1975-05-16
US05/578,333 US3992503A (en) 1973-05-10 1975-05-16 Method of injection molding pipe
FR7515639A FR2273640A2 (en) 1974-06-04 1975-05-20 PIPE MANUFACTURING PROCESS
AU81418/75A AU481207B2 (en) 1974-06-04 1975-05-22 Improvements in or relating to pipes
IT49758/75A IT1050296B (en) 1974-06-04 1975-05-23 METHOD FOR THE REALIZATION OF PLASTIC PIPES AND TUBES REALIZED WITH THE SAID METHOD
NL7506582A NL7506582A (en) 1974-06-04 1975-06-03 IMPROVEMENT OF A PROCESS FOR THE MANUFACTURE OF A CUSTOM LENGTH OF RIBBED PLASTIC TUBE, AS WELL AS RIBBED PLASTIC TUBE, MANUFACTURED BY APPLICATION OF THE PROCESS.
CH715675A CH574808A5 (en) 1974-06-04 1975-06-03
AR265907A AR217248Q (en) 1972-04-28 1976-12-17 PROCEDURE FOR MANUFACTURING, STEP BY STEP, A CONTINUOUS SECTION OF NERVURATED DUCT, IN PLASTIC MATERIAL, AND CANO SO OBTAINED

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00743527A ZA743527B (en) 1974-06-04 1974-06-04 Improvements in or relating to pipes

Publications (1)

Publication Number Publication Date
ZA743527B true ZA743527B (en) 1975-06-25

Family

ID=25567756

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00743527A ZA743527B (en) 1972-04-28 1974-06-04 Improvements in or relating to pipes

Country Status (7)

Country Link
JP (1) JPS51562A (en)
CH (1) CH574808A5 (en)
FR (1) FR2273640A2 (en)
GB (1) GB1471507A (en)
IT (1) IT1050296B (en)
NL (1) NL7506582A (en)
ZA (1) ZA743527B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA775528B (en) * 1977-09-15 1979-04-25 Aeci Ltd Plastics pipes and their manufacture
JPS624783A (en) * 1985-06-29 1987-01-10 Nippon Steel Chem Co Ltd Carbonization of coal
JPS624782A (en) * 1985-06-29 1987-01-10 Nippon Steel Chem Co Ltd Method of controlling coke oven reaction
US4826416A (en) * 1988-06-02 1989-05-02 The Goodyear Tire & Rubber Company System for injection molding tire treads
US4818203A (en) * 1988-06-02 1989-04-04 The Goodyear Tire & Rubber Company System for injection molding elongated bodies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332382B2 (en) * 1973-04-26 1978-09-07

Also Published As

Publication number Publication date
JPS51562A (en) 1976-01-06
AU8141875A (en) 1976-11-25
FR2273640B2 (en) 1978-04-28
FR2273640A2 (en) 1976-01-02
CH574808A5 (en) 1976-04-30
GB1471507A (en) 1977-04-27
NL7506582A (en) 1975-12-08
IT1050296B (en) 1981-03-10

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