FIELD: construction.
SUBSTANCE: system includes metal grate elements and rectangular composite acoustic panels. Usually, cross-section of grate elements has overturned T-form, and the elements form shelves directed oppositely and carrying panels on shelf edges. At least one edge of each panel is a tensile element in connection between carrying surface on shelves of grate element, and tensile element allows for temporary deflexion.
EFFECT: panel allowing for lifting from under grate element into installation position and for straightening to keep in place in the grate.
10 cl, 15 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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RU2221118C2 |
