HK62079A - Improvements in concrete pipes and other hollow articles, and methods of making the same - Google Patents

Improvements in concrete pipes and other hollow articles, and methods of making the same

Info

Publication number
HK62079A
HK62079A HK620/79A HK62079A HK62079A HK 62079 A HK62079 A HK 62079A HK 620/79 A HK620/79 A HK 620/79A HK 62079 A HK62079 A HK 62079A HK 62079 A HK62079 A HK 62079A
Authority
HK
Hong Kong
Prior art keywords
making
methods
same
hollow articles
concrete pipes
Prior art date
Application number
HK620/79A
Original Assignee
Humes 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 Humes Ltd filed Critical Humes Ltd
Publication of HK62079A publication Critical patent/HK62079A/en

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
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0038—Machines or methods for applying the material to surfaces to form a permanent layer thereon lining the outer wall of hollow objects, e.g. pipes
    • 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
    • B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
    • B28B21/72—Producing multilayer tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
HK620/79A 1971-02-26 1979-08-30 Improvements in concrete pipes and other hollow articles, and methods of making the same HK62079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA414271 1971-02-26

Publications (1)

Publication Number Publication Date
HK62079A true HK62079A (en) 1979-09-07

Family

ID=3764743

Family Applications (1)

Application Number Title Priority Date Filing Date
HK620/79A HK62079A (en) 1971-02-26 1979-08-30 Improvements in concrete pipes and other hollow articles, and methods of making the same

Country Status (7)

Country Link
DE (1) DE2208723A1 (en)
FR (1) FR2127808A5 (en)
GB (1) GB1384117A (en)
HK (1) HK62079A (en)
IT (1) IT948675B (en)
MY (1) MY7500178A (en)
ZA (1) ZA721087B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158762A (en) * 1984-05-14 1985-11-20 Spun Concrete Ltd Composite pipes
US5028368A (en) * 1989-07-11 1991-07-02 International Pipe Machinery Corporation Method of forming lined pipe
CA2191748A1 (en) * 1994-06-07 1995-12-14 Mark W. Schumacher Interlocked plastic-encased concrete pipe

Also Published As

Publication number Publication date
IT948675B (en) 1973-06-11
ZA721087B (en) 1972-11-29
FR2127808A5 (en) 1972-10-13
MY7500178A (en) 1975-12-31
DE2208723A1 (en) 1972-09-07
GB1384117A (en) 1975-02-19

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