Process and device to produce a sound absorber whereby the sound-absorbant material is divided into separate pieces, filled in a tube and pushed into a shell

摘要

The sound absorber consists of a core made of sound-absorbant material and a shell (2). The sound-absorbant material is divided into separate pieces (4), filled in a tube (18), a shell is guided over said tube and when the separate pieces are pushed into the shell the tube is stripped away.