Sealing device for vacuum tank whereby seal is designed in such manner that vacuum in vacuum tank can be sustained during application of different profile cross section

摘要

The seal (3) is designed in such a manner that the vacuum in the vacuum tank (1) can be sustained during the application of different profile cross sections. Vacuum tank has a inlet opening and a outlet opening whereby outlet opening is provided with a seal, which surrounds the extruded profile. An independent claim is also included for the method for installing tubular piece.