| 摘要 |
The present invention discloses a boat (4) comprising at least one expandable pontoon tube (1), which is provided to extend along at least a part of the perimeter of the boat. A boat part is, by means of a gripping part (3), connectable with the expandable pontoon tube (1). The expandable pontoon tube (1) has on the inside a string shaped grip part (2) which is adapted to be caught together with there to adjacent wall material of the pontoon by said gripping part (3). Further a strain force in the wall of the pontoon tube (1) is, during use of the boat, provided for relea |
