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Korstrask Mekaniska, G. Naslund Patents |
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Assignee: Korstrask Mekaniska, G. Naslund
Address: Alvsbyn, SE
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 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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