FIELD: plastic working of metal, namely shaping metallic sheets for lining walls and ceilings.
SUBSTANCE: method comprises steps of embossing in metallic sheet along its whole surface area relief patterns; forming each pattern by means of several grooves oriented by inclination angle one relative to other and by mutually crossed grooves; performing formation of relief pattern in the form of mutually crossed grooves and all grooves extending from it by some distance during one operation, mainly by stretching metallic sheet in zone of forming relief pattern while clamping sheet at opposite sides outside relief pattern and holding it; mutually combining separately embossed relief patterns in groove zones.
EFFECT: improved quality of articles, enlarged manufacturing possibilities.
10 cl, 2 dwg
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|---|---|---|---|
| PROFILES | 2015 |
|
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|
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| FACING PANEL (VERSIONS) | 2009 |
|
RU2494201C2 |
