Two-piece co-axial cartridge for plastic substances has inner tube which by insertion of mouth piece into mouth piece of outer tube centers with outer tube, while maintaining axial gap between inner tube end wall and outer tube end wall

摘要

The two-piece co-axial cartridge for plastic substances has an inner tube (4) which by insertion of its mouth piece (6), equipped with ribs (7), into the mouth piece (3) of an outer tube (1), centers with the outer tube, while maintaining an axial gap between the inner tube end wall and outer tube end wall to form a passage from the annular chamber between the outer tube and inner tube to the outer tube mouth piece. In the end wall region of the inner tube is formed a support ring (9,10) clearly protruding radially over the inner tube and bearing against the inner wall surface of the outer tube end wall (2).