GB2155397B - Production of concrete pipes and tubes - Google Patents

Production of concrete pipes and tubes

Info

Publication number
GB2155397B
GB2155397B GB08506028A GB8506028A GB2155397B GB 2155397 B GB2155397 B GB 2155397B GB 08506028 A GB08506028 A GB 08506028A GB 8506028 A GB8506028 A GB 8506028A GB 2155397 B GB2155397 B GB 2155397B
Authority
GB
United Kingdom
Prior art keywords
tubes
production
concrete pipes
pipes
concrete
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
GB08506028A
Other versions
GB2155397A (en
GB8506028D0 (en
Inventor
Philip Jeffrey Hodgkinson
Edmund Thomas Hinch
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.)
Stanton and Staveley Ltd
Original Assignee
Stanton and Staveley 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 Stanton and Staveley Ltd filed Critical Stanton and Staveley Ltd
Publication of GB8506028D0 publication Critical patent/GB8506028D0/en
Publication of GB2155397A publication Critical patent/GB2155397A/en
Application granted granted Critical
Publication of GB2155397B publication Critical patent/GB2155397B/en
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
    • B28B21/76—Moulds
    • 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
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/10—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article
    • B28B7/12—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article by fluid pressure, e.g. acting through flexible wall parts or linings of the moulds
GB08506028A 1984-03-12 1985-03-08 Production of concrete pipes and tubes Expired GB2155397B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848406425A GB8406425D0 (en) 1984-03-12 1984-03-12 Production of concrete products

Publications (3)

Publication Number Publication Date
GB8506028D0 GB8506028D0 (en) 1985-04-11
GB2155397A GB2155397A (en) 1985-09-25
GB2155397B true GB2155397B (en) 1987-01-21

Family

ID=10557940

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848406425A Pending GB8406425D0 (en) 1984-03-12 1984-03-12 Production of concrete products
GB08506028A Expired GB2155397B (en) 1984-03-12 1985-03-08 Production of concrete pipes and tubes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848406425A Pending GB8406425D0 (en) 1984-03-12 1984-03-12 Production of concrete products

Country Status (6)

Country Link
EP (1) EP0157506A1 (en)
JP (1) JPS612511A (en)
AU (1) AU3975885A (en)
DK (1) DK109685A (en)
GB (2) GB8406425D0 (en)
NO (1) NO850981L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0507651A (en) * 2004-03-19 2007-07-10 Pvaxx Res & Dev Ltd cargo handling apparatus
GB2425506B (en) 2005-04-26 2010-11-10 Pvaxx Res & Dev Ltd Load carrying apparatus and method of manufacture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2612673A (en) * 1949-03-09 1952-10-07 Vacuum Concrete Inc Expansible molding core
GB1228886A (en) * 1968-09-13 1971-04-21
BE794780A (en) * 1972-01-31 1973-05-16 Precision Flexmold APPARATUS FOR MOLDING OBJECTS
PH17524A (en) * 1975-03-20 1984-09-13 Kurimoto Hume Pipe Ltd Method of manufacturing centrifugal reinforced concrete pipe
FR2347164A1 (en) * 1976-04-06 1977-11-04 Schlosser & Co Gmbh CONCRETE SAMPLE MOLD
US4308970A (en) * 1978-11-27 1982-01-05 Holdt J W Von Plastic bucket defining annular inwardly projecting ridge
AT366313B (en) * 1979-10-11 1982-04-13 Eternit Werke Hatschek L DEVICE FOR PRODUCING A TUBE OR FIBER CEMENT TUBE PIECES
DD150022A1 (en) * 1980-04-03 1981-08-12 Theo Stiegler DEVICE FOR DECOMPOSING SHAPED COMPONENTS BY MEANS OF COMPRESSED AIR

Also Published As

Publication number Publication date
GB2155397A (en) 1985-09-25
AU3975885A (en) 1985-09-19
EP0157506A1 (en) 1985-10-09
DK109685D0 (en) 1985-03-11
GB8406425D0 (en) 1984-04-18
JPS612511A (en) 1986-01-08
DK109685A (en) 1985-09-13
GB8506028D0 (en) 1985-04-11
NO850981L (en) 1985-09-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee