Method of discharging a substance from a cartridge and an...

B - Operations – Transporting – 05 – C

Patent

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222/81, 222/69.1

B05C 17/00 (2006.01) B05C 17/005 (2006.01) B65D 81/32 (2006.01) B65D 83/00 (2006.01) B05C 17/01 (2006.01)

Patent

CA 1321372

ABSTRACT The invention provides a method and an apparatus for discharging a substance contained in a cartridge or the like from said cartridge. The substance is prevented from flowing out by a sealing member provided at the outlet of the car- tridge. To open the cartridge, a relative displacement between the cartridge and a coupling means mounted on the connection piece of the cartridge is effected to thereby open the sealing member by means of a cutting means provided in the coupling means. The sealing member is opened at least to such an extent that it releases the flow path of the substance contained in the cartridge fully or partially due to the pressure exerted on the sealing member by the substance contained in the cartridge during an initial phase of the discharge operation.

605212

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