FR2434693A2 - Perfectionnements a la fabrication de produits precontraints - Google Patents

Perfectionnements a la fabrication de produits precontraints

Info

Publication number
FR2434693A2
FR2434693A2 FR7825147A FR7825147A FR2434693A2 FR 2434693 A2 FR2434693 A2 FR 2434693A2 FR 7825147 A FR7825147 A FR 7825147A FR 7825147 A FR7825147 A FR 7825147A FR 2434693 A2 FR2434693 A2 FR 2434693A2
Authority
FR
France
Prior art keywords
mould
pistons
end forms
concrete beams
bed
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.)
Granted
Application number
FR7825147A
Other languages
English (en)
Other versions
FR2434693B2 (fr
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.)
Costamagna & Cie B M
Original Assignee
Costamagna & Cie B M
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
Priority claimed from FR7709136A external-priority patent/FR2385510A1/fr
Application filed by Costamagna & Cie B M filed Critical Costamagna & Cie B M
Priority to FR7825147A priority Critical patent/FR2434693A2/fr
Priority to BE0/196328A priority patent/BE877734R/fr
Priority to NL7905833A priority patent/NL189902C/xx
Publication of FR2434693A2 publication Critical patent/FR2434693A2/fr
Application granted granted Critical
Publication of FR2434693B2 publication Critical patent/FR2434693B2/fr
Granted 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/10—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article
    • 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
    • B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
    • B28B23/024—Supporting means
    • B28B23/026—Mould partitionning elements acting as supporting means in moulds, e.g. for elongated articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

Banc de précontrainte, selon le brevet principal, dans lequel les extrémités de moules sont réalisées sous forme de plaques à saignées verticales combinées avec des cales horizontal<< disposées entre les fils et dans lequel on a prévu des poussoirs inférieurs pour le démoulage. Construction préfabriquée.
FR7825147A 1977-03-28 1978-08-31 Perfectionnements a la fabrication de produits precontraints Granted FR2434693A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7825147A FR2434693A2 (fr) 1977-03-28 1978-08-31 Perfectionnements a la fabrication de produits precontraints
BE0/196328A BE877734R (fr) 1978-08-31 1979-07-16 Perfectionnements a la fabrication de produits precontraints
NL7905833A NL189902C (nl) 1978-08-31 1979-07-27 Spanbank voor het vervaardigen van langwerpige produkten uit voorgespannen beton.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7709136A FR2385510A1 (fr) 1977-03-28 1977-03-28 Perfectionnements a la fabrication de produits precontraints
FR7825147A FR2434693A2 (fr) 1977-03-28 1978-08-31 Perfectionnements a la fabrication de produits precontraints

Publications (2)

Publication Number Publication Date
FR2434693A2 true FR2434693A2 (fr) 1980-03-28
FR2434693B2 FR2434693B2 (fr) 1982-12-03

Family

ID=26219934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825147A Granted FR2434693A2 (fr) 1977-03-28 1978-08-31 Perfectionnements a la fabrication de produits precontraints

Country Status (1)

Country Link
FR (1) FR2434693A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021905A1 (fr) * 1979-06-13 1981-01-07 Freyssinet International (Stup) Procédé et dispositif de démoulage d'éléments en béton précontraint moulés sur un long banc
EP0263024A2 (fr) * 1986-10-01 1988-04-06 Rector S.A. Dispositif perfectionné de démoulage et de manutention des produits en béton coulés en moules fixes
BE1004584A3 (nl) * 1990-08-29 1992-12-15 Coussee Marc Werkwijze en inrichting voor het gieten van t-vormige balken uit voorgespannen beton.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254946A5 (en) * 1973-12-17 1975-07-11 Costamagna & Cie B M Production system for concrete railway sleepers - has portal frames with vertically movable reinforcement positioning beam
FR2385510A1 (fr) * 1977-03-28 1978-10-27 Costamagna & Cie B M Perfectionnements a la fabrication de produits precontraints

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254946A5 (en) * 1973-12-17 1975-07-11 Costamagna & Cie B M Production system for concrete railway sleepers - has portal frames with vertically movable reinforcement positioning beam
FR2385510A1 (fr) * 1977-03-28 1978-10-27 Costamagna & Cie B M Perfectionnements a la fabrication de produits precontraints

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021905A1 (fr) * 1979-06-13 1981-01-07 Freyssinet International (Stup) Procédé et dispositif de démoulage d'éléments en béton précontraint moulés sur un long banc
EP0263024A2 (fr) * 1986-10-01 1988-04-06 Rector S.A. Dispositif perfectionné de démoulage et de manutention des produits en béton coulés en moules fixes
FR2604944A1 (fr) * 1986-10-01 1988-04-15 Costamagna & Cie B M Dispositif perfectionne de demoulage et de manutention des produits en beton coules en moules fixes
EP0263024A3 (en) * 1986-10-01 1989-10-18 B.M. Costamagna S.A. Device for removing and handling concrete articles cast in fixed moulds
BE1004584A3 (nl) * 1990-08-29 1992-12-15 Coussee Marc Werkwijze en inrichting voor het gieten van t-vormige balken uit voorgespannen beton.

Also Published As

Publication number Publication date
FR2434693B2 (fr) 1982-12-03

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