SHEETMETAL FORMING METHOD

A forming method for producing wall and ceiling cladding sheets from sheetmetal, wherein embossed patterns are pressed into a metal sheet so that they cover the entire surface area of the sheet substantially uniformly. In the method, the embossed pattern is formed from a numober of flute portions or...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JAASKELAINEN, SEPPO, VARIS, JUHA, VEIJALAINEN, ERKKI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BUILDING CEILINGS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROOFS TRANSPORTING WALLS, e.g. PARTITIONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A forming method for producing wall and ceiling cladding sheets from sheetmetal, wherein embossed patterns are pressed into a metal sheet so that they cover the entire surface area of the sheet substantially uniformly. In the method, the embossed pattern is formed from a numober of flute portions oriented at an angle to each other and an intersection of these, the intersection and all the flute portions extending from it to a distance from the intersection being produced in a single embossing operation. In addition , the metal sheet is clamped from opposite sides in an area outside the emboss ed pattern and held in place so that the embossed pattern is mainly produced as a result of the sheet being stretched in the area of the embossed partner, and the separately pressed embossed patterns are joined together in the areas of the flute portions.