GB2388569B - Prestressed concrete units and method of manufacture - Google Patents

Prestressed concrete units and method of manufacture

Info

Publication number
GB2388569B
GB2388569B GB0211356A GB0211356A GB2388569B GB 2388569 B GB2388569 B GB 2388569B GB 0211356 A GB0211356 A GB 0211356A GB 0211356 A GB0211356 A GB 0211356A GB 2388569 B GB2388569 B GB 2388569B
Authority
GB
United Kingdom
Prior art keywords
manufacture
prestressed concrete
concrete units
units
prestressed
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 - Lifetime
Application number
GB0211356A
Other versions
GB2388569A (en
GB0211356D0 (en
Inventor
Mark Hamilton Jardine
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.)
Poundfield Products Ltd
Original Assignee
Poundfield Products 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 Poundfield Products Ltd filed Critical Poundfield Products Ltd
Priority to GB0211356A priority Critical patent/GB2388569B/en
Publication of GB0211356D0 publication Critical patent/GB0211356D0/en
Priority to EP03252950A priority patent/EP1362680A3/en
Publication of GB2388569A publication Critical patent/GB2388569A/en
Application granted granted Critical
Publication of GB2388569B publication Critical patent/GB2388569B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
    • 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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • 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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • 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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/18—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members for the production of elongated articles
    • 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
    • B28B7/0091—Transformable moulds allowing the change of shape of an initial moulded preform by preform deformation or the change of its size by moulding on the preform

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
GB0211356A 2002-05-17 2002-05-17 Prestressed concrete units and method of manufacture Expired - Lifetime GB2388569B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0211356A GB2388569B (en) 2002-05-17 2002-05-17 Prestressed concrete units and method of manufacture
EP03252950A EP1362680A3 (en) 2002-05-17 2003-05-12 Prestressed concrete units and method of manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0211356A GB2388569B (en) 2002-05-17 2002-05-17 Prestressed concrete units and method of manufacture

Publications (3)

Publication Number Publication Date
GB0211356D0 GB0211356D0 (en) 2002-06-26
GB2388569A GB2388569A (en) 2003-11-19
GB2388569B true GB2388569B (en) 2006-12-20

Family

ID=9936884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0211356A Expired - Lifetime GB2388569B (en) 2002-05-17 2002-05-17 Prestressed concrete units and method of manufacture

Country Status (2)

Country Link
EP (1) EP1362680A3 (en)
GB (1) GB2388569B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921354A (en) * 1956-03-12 1960-01-19 William O W Pankey Apparatus for making precast concrete bridges or the like
US3926541A (en) * 1970-06-29 1975-12-16 Frederick M Hewitt Extruder with interacting auger and care means
US4953280A (en) * 1987-06-03 1990-09-04 Gifford-Hill & Company, Inc. Method of manufacturing prestressed concrete culverts
EP0606794A1 (en) * 1992-12-29 1994-07-20 Saret France (S.A.) Method of constructing beams of prestressed concrete, installation for the execution of this method and beams obtained by this method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921354A (en) * 1956-03-12 1960-01-19 William O W Pankey Apparatus for making precast concrete bridges or the like
US3926541A (en) * 1970-06-29 1975-12-16 Frederick M Hewitt Extruder with interacting auger and care means
US4953280A (en) * 1987-06-03 1990-09-04 Gifford-Hill & Company, Inc. Method of manufacturing prestressed concrete culverts
EP0606794A1 (en) * 1992-12-29 1994-07-20 Saret France (S.A.) Method of constructing beams of prestressed concrete, installation for the execution of this method and beams obtained by this method

Also Published As

Publication number Publication date
GB2388569A (en) 2003-11-19
EP1362680A2 (en) 2003-11-19
GB0211356D0 (en) 2002-06-26
EP1362680A3 (en) 2005-04-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20180208 AND 20180214

PE20 Patent expired after termination of 20 years

Expiry date: 20220516