B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
217/10, 217/11
B65D 81/32 (2006.01) B05C 17/005 (2006.01) B05C 17/015 (2006.01)
Patent
CA 1122927
1031-2F1 COMPOSITE CARTRIDGE AND DEVICE FOR METERING EXTRUSION OF CONTENTS Abstract of the Disclosure The invention provides structural components for making a composite cartridge and the resulting composite cartridge. The cartridge contains, in separated condition therein, two different fluid compositions which cure on mixing. The cartridge has an elongated cylindrical main body with a protruding round neck at its head end and plunger- movable closure means at its butt end. One composition is enclosed in an inner central chamber having a disc-like closure. The other is in an outer ring chamber oriented coaxially about the central chamber and having a donut-like closure. Each chamber is connected to a separate passageway through the round neck of the cartridge. A means solely at the head end braces the central chamber against relative movement within the cartridge during plunger extrusion of the compositions. A fastening means on the cartridge neck is for locking a mixing nozzle thereon. Also provided is an assembly of the cartridge releasably mounted on apparatus for simultaneous metering extrusion of the separated compositions from it. The apparatus comprises a frame, and a plunger assembly of coaxial elements mounted in and guided by the frame for linear advancement as a unit with respect thereto. The frame is equipped with a holding means for retaining the cartridge with its butt end closures axially aligned anteriorly to the coaxial elements of the plunger assembly. An advancing means provides for advancement of the plunger assembly with respect to the frame. - 1 -
326663
Anderson Steven R.
Smart & Biggar
LandOfFree
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