Schallschutzelement und Verfahren zum Herstellen eines Schallschutzelementes

Schallschutzelement und Verfahren zum Herstellen eines Schallschutzelementes

The sound-absorption layer (3) which is placed on one of the sides of the sound-proofing layer (2) has a high proportion of elastomer, rubber and/or plastics granular recycling material. The sound- absorption layer (3) is connected integral with the sound-proofing layer (2) and has a lesser density...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LUDWIG, DIETER, GELTERKINDEN, CH, BITTERLI, KURT., SPIEZ, CH, BOSSERT, REMO, GELTERKINDEN, CH
Format: Patent
Sprache:ger
Schlagworte:
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
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Beschreibung
Zusammenfassung:The sound-absorption layer (3) which is placed on one of the sides of the sound-proofing layer (2) has a high proportion of elastomer, rubber and/or plastics granular recycling material. The sound- absorption layer (3) is connected integral with the sound-proofing layer (2) and has a lesser density than same. The sound-proofing layer (2) can be a heterogeneous multi-phase solid body with anisotropic mechanical properties made from recycled plastics granules, inorganic additives and a hydraulic bonding agent. The sound- absorption layer preferably has on its outer side facing the sound source integral moulded longitudinal or transversely aligned ribs (5) with trapezoidal or undulating cross-section. The bonding and setting process can be carried out at high temperature using steam for faster manufacture.