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    • 3. 发明申请
    • SHEETMETAL FORMING METHOD
    • 表格形成方法
    • WO2003068430A1
    • 2003-08-21
    • PCT/FI2002/000992
    • 2002-12-05
    • JÄÄSKELÄINEN, SeppoVARIS, JuhaVEIJALAINEN, Erkki
    • JÄÄSKELÄINEN, SeppoVARIS, JuhaVEIJALAINEN, Erkki
    • B21D22/02
    • E04B9/0478B21D13/10E04F13/12
    • 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 embossed 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.
    • 一种用于从钣金制造壁和天花板包覆片的成形方法,其中压花图案被压入金属片中,使得它们基本均匀地覆盖片材的整个表面区域。 在该方法中,压花图案由相互成角度定向的凹槽部分的数量形成,并且这些相交处和所有凹槽部分从其延伸到与在单个压印中产生的交点相距一定距离 操作。 此外,金属板从压纹图案外侧的区域的相对侧被夹持,并保持在适当的位置,使得压花图案主要由于在压花对象区域中被拉伸的结果而被产生,并且单独压制 压纹图案在凹槽部分的区域中连接在一起。