Invention Grant
US07690169B2 Roof cladding element and method for manufacturing roof cladding elements 有权
屋顶覆层元件及制造屋顶包层元件的方法

Roof cladding element and method for manufacturing roof cladding elements
Abstract:
The present invention relates to a roof cladding element, which roof cladding element has been manufactured of profiled plate material and which roof cladding elements are adjacently and in succession mountable such that the edges of a roof cladding element will be placed a distance overlapping with the edges of adjacent roof cladding elements. The present invention also relates to a method for manufacturing roof cladding elements in which method a plate material in strip form is formed into profiled roof cladding element strip with a forming device and in which method a finished formed roof cladding element strip is cut with a cutting device at even intervals into roof cladding elements. Characteristic to a roof cladding element in accordance with the invention is the fact that to at least one corner of a roof cladding element a recess reaching at least partly under the lower surface of the part of the roof cladding element surrounding the corner has been formed. Characteristic to the method in accordance with the invention is the fact that to at least one corner of the roof cladding element a recess reaching at least partly under the lower surface of the part of the roof cladding element surrounding the corner is formed with a forming device.
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