FIELD: process engineering.
SUBSTANCE: invention relates to metal forming and may be used for production of metal tiles. Metal tile sheet represents shaped metal sheet with flutes arranged in trapezoidal patter and crosswise stiffness folds. Note here that crosswise stiffness folds are arranged at angle to short side of shaped sheet to make relief maps in the form of parallelograms with definite angles at vertices.
EFFECT: better sealing of sheets in inclined conjugation line, sufficient water repellant properties at minimum inclination of water drainage surface.
2 cl, 8 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METAL TILES | 2010 |
|
RU2452829C2 |
| METAL TILE | 2010 |
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|
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