Sound-absorbing panel for the interior construction of buildings or for the weatherproof outdoor area and method for its production.

摘要

The sound-absorbing panel is suitable for the interior work of buildings, as well as for the weather-protected outdoor area. It consists of an air-impermeable or porous or perforated or slotted base plate of 4 mm to 40 mm thickness. From the outside - in Fig. 3, the upper side - are burned out by means of a laser beam (8) holes (3) of 0.2 mm to 1.0 mm in diameter. These holes (3) penetrate the walls (11), which were formed by introduced from the back blind holes (10), so that the sound can penetrate through them. The following steps are therefore carried out according to the method for producing this sound-absorbing plate: a) providing a base plate (1), permeable to air or impermeable to air, left raw or optimally provided with a coating, veneered or lacquered, b) with an air-impermeable base plate (1) Blind hole holes (10) or blind grooves from the back - in Fig. 3, the lower side - introduced, c) in any case, then through holes (3) or slots are burned from the visible side by means of a laser beam (8).