| 摘要 |
<p>A cartridge (1) for dispensing an extrudable material (4) comprising:- an outer collapsible tube (2) defined about a longitudinal axis (19) having an open end (15) and a closed end (16),an inner chamber (20) coaxial with the collapsible outer tube (2) for storing the extrudable material (4),an outlet (9) at the closed end (16) of the inner chamber (20), at least one internal frangible tube (3) in the inner chamber (20) communicable with the outlet (9) and containing the extrudable material (4), and a piston (5) at the open end (15) of the collapsible outer tube (2), the piston (5) being engageable with the collapsible outer tube (2) to collapse the cartridge (1) in an axial direction and extrude the extrudable material (4) through the outlet (9).</p> |
