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Gustav Naslund Patents
Inventor:
Naslund; Gustav
Address:
S-942 00 Alvsbyn, SE
No. of patents:
7
Patents:




Patent Number Title Of Patent Date Issued
D258089 Hump plate January 27, 1981
D250848 Roof panel January 16, 1979
4380573 Method and device for bending section-sheet, plate, strip and like material April 19, 1983
A corrugated sheet has a bend formed by one or more straight lines of impressions extending transversely across the corrugation valleys upwardly into the valleys and adjacent portions of the side walls between the valleys and the corrugation crests, and at the ends of the impressions the
4347726 Method and device for bending sheet-metal sections September 7, 1982
The invention relates to a method and a device for bending sheet-metal sections. It is previously known to bend sectional sheets, but the known art involves certain problems to bring about a non-angular bend with a small radius and without damaging the sheet. According to the invention i
4220031 Method for bending section-sheet, plate strip and like material September 2, 1980
A corrugated metal sheet is incrementally bent perpendicularly with respect to its corrugations, by repeatedly transversely indenting upwardly the bottoms of the corrugation valleys so that the indentations extend in lines transversely across the sheet and extend into the corrugation sid
4195511 Apparatus for bending section-sheet, plate strip and the like April 1, 1980
A corrugated metal sheet is incrementally bent perpendicularly with respect to its corrugations, by repeatedly transversely indenting upwardly the bottoms of the corrugation valleys so that the indentations extend in lines transversely across the sheet and extend into the corrugation sid
4143499 Roofing sheet March 13, 1979
A corrugated roofing sheet has special elevations formed in the wave crest of the sheet, the elevations being contoured to increase the sheet's rigidity while permitting the elevations to function as a ladder. The elevations provide effective rigidfying while leaving the valleys of the


 
 
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