| 摘要 |
PURPOSE: To enable reuse of a cartridge without causing contamination, etc., on the pouring edge by providing means for piercing a membrane or foil provided on the outlet. CONSTITUTION: This is equipped with a collar 2 and a sleeve 3, and disposed with two stoppers 5 which are slightly tapered at their front sides so that they may pierce a membrane or a foil on the front 4 facing interior of a cartridge. To fit the closure 1 to the cartridge, a leg 6 is let engaged with a recess of a flange 8 of the cartridge. The cartridge comprises two storage cylinders, its outlet opening extends to an outlet nozzle 12 partitioned with a central web 13, and a membrane 14 has been provided thereon. For the purpose of exchanging the closure 1, the sleeve 3 has been so structured that the stopper 5 tightly seals the outlet opening by engaging with the outlet nozzle 12 while enclosing it. Accordingly, it can be used also for a dual cartridge. |
