摘要 |
<p>The jacket (1) has two assembling edges (9, 10), which are formed in a longitudinally separated manner, where the jacket exhibits a self-supporting appropriate rigidity. The jacket is formed from a pre-cut part of a resiliently flexible planar material (6). The pre-cut part exhibits a seal (11) at borders (7, 8) and/or edges of the jacket. The seal is made of an open-porous foam material and/or a brush-like material, where an opening of the jacket is designed in an adjustable manner.</p> |