FR2448422B1 - - Google Patents

Info

Publication number
FR2448422B1
FR2448422B1 FR7903563A FR7903563A FR2448422B1 FR 2448422 B1 FR2448422 B1 FR 2448422B1 FR 7903563 A FR7903563 A FR 7903563A FR 7903563 A FR7903563 A FR 7903563A FR 2448422 B1 FR2448422 B1 FR 2448422B1
Authority
FR
France
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
FR7903563A
Other languages
French (fr)
Other versions
FR2448422A1 (en
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.)
APPLIC CERAMIQUES ET
Original Assignee
APPLIC CERAMIQUES ET
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 APPLIC CERAMIQUES ET filed Critical APPLIC CERAMIQUES ET
Priority to FR7903563A priority Critical patent/FR2448422A1/en
Priority to ES488126A priority patent/ES488126A1/en
Priority to FR8013047A priority patent/FR2484322A2/en
Publication of FR2448422A1 publication Critical patent/FR2448422A1/en
Application granted granted Critical
Publication of FR2448422B1 publication Critical patent/FR2448422B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • E04C3/26—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
    • 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
    • B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/084—Producing shaped prefabricated articles from the material by vibrating or jolting the vibrating moulds or cores being moved horizontally for making strands of moulded 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0863—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for profiling, e.g. making grooves
FR7903563A 1979-02-07 1979-02-07 Extruder for inverted T=shaped concrete beam - uses blocks on oscillating ram-actuated beam to obtain castellated top edge profiles Granted FR2448422A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7903563A FR2448422A1 (en) 1979-02-07 1979-02-07 Extruder for inverted T=shaped concrete beam - uses blocks on oscillating ram-actuated beam to obtain castellated top edge profiles
ES488126A ES488126A1 (en) 1979-02-07 1980-01-31 Extruder for inverted T=shaped concrete beam - uses blocks on oscillating ram-actuated beam to obtain castellated top edge profiles
FR8013047A FR2484322A2 (en) 1979-02-07 1980-06-11 Concrete beam moulding die - has ends of longitudinal shapers attached to lifting beam below overhanging compacting shoes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7903563A FR2448422A1 (en) 1979-02-07 1979-02-07 Extruder for inverted T=shaped concrete beam - uses blocks on oscillating ram-actuated beam to obtain castellated top edge profiles

Publications (2)

Publication Number Publication Date
FR2448422A1 FR2448422A1 (en) 1980-09-05
FR2448422B1 true FR2448422B1 (en) 1982-11-19

Family

ID=9221882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903563A Granted FR2448422A1 (en) 1979-02-07 1979-02-07 Extruder for inverted T=shaped concrete beam - uses blocks on oscillating ram-actuated beam to obtain castellated top edge profiles

Country Status (2)

Country Link
ES (1) ES488126A1 (en)
FR (1) FR2448422A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484322A2 (en) * 1979-02-07 1981-12-18 Applic Ceramiques Sa Et Concrete beam moulding die - has ends of longitudinal shapers attached to lifting beam below overhanging compacting shoes
EP0064377B1 (en) * 1981-05-01 1986-07-16 Fuji P.S. Concrete Co. Ltd. Apparatus for the slide forming of prestressed concrete
FR2643404B1 (en) * 1989-02-22 1994-06-03 Saret INSTALLATION FOR THE MANUFACTURE OF PRE-STRESSED CONCRETE ELEMENTS, IN PARTICULAR ELONGATE CONSTRUCTION ELEMENTS
FI101208B (en) * 1992-10-05 1998-05-15 Addtek Res & Dev Oy Ab Method for casting concrete products
FI109284B (en) * 1996-12-04 2002-06-28 Partek Concrete Dev Oy Ab Method and equipment for casting concrete products
EP1321261A1 (en) * 2001-11-16 2003-06-25 Lafarge Gessi S.p.A. Method for manufacturing boards made of hydraulic binder with tapered edges, production line and apparatus for manufacturing such boards
WO2003072326A2 (en) 2002-02-26 2003-09-04 Lafarge Platres Method for production of sheets made from binder, production line for said sheets and device for generation of an impression
FR2838370B1 (en) 2002-04-10 2004-05-28 Lafarge Platres PROCESS FOR THE MANUFACTURE OF PLASTERBOARDS WITH FOUR THIN EDGES
EP1382424A1 (en) * 2002-07-19 2004-01-21 Lafarge Platres Method for manufacturing boards made of hydraulic binder with tapered edges, production line and apparatus for manufacturing such boards
EP1660287A2 (en) 2003-08-25 2006-05-31 Lafarge Platres Hydraulic binder-based, tapered-edge boards, production method and production line therefor, and light work construction method
FR2987770B1 (en) * 2012-03-07 2014-11-21 Cci METHOD FOR MANUFACTURING CONSTITUENT ELEMENTS OF PRECONTRATED PILLAST MOLDING BENCHES
CN110241734B (en) * 2019-06-12 2021-09-03 湖南城市学院 Pre-bent prestressed beam stress applying device and construction method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382304A (en) * 1966-01-14 1968-05-07 Robert H. Nagy Art of manufacturing hollow core concrete planks
FR2403431A1 (en) * 1977-09-14 1979-04-13 Costamagna & Cie B M Prestressed concrete reinforced T=shaped girder - consists of shoulder and web, in side of which are notches for facilitating removal from mould

Also Published As

Publication number Publication date
ES488126A1 (en) 1980-09-16
FR2448422A1 (en) 1980-09-05

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Legal Events

Date Code Title Description
ST Notification of lapse