Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1979-04-20
1983-01-04
Marmor, Charles A.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222327, 2223865, 222568, B67D 552
Patent
active
043669190
ABSTRACT:
A composite cartridge contains in separated condition therein, two different fluid compositions which cure on mixing, plus structural components for making such a cartridge. The cartridge has an elongated cylindrical main body with a protruding round neck at its head end and with 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 neck of the cartridge, and each passageway has a voidable seal. A structure solely at the head end braces the central chamber against relative movement within the cartridge during plunger extrusion of the compositions. A fastening device on the cartridge neck is for locking a mixing nozzle thereon.
Apparatus, separately and in combination with the cartridge, is for simultaneous metering extrusion of the separated compositions from the cartridge. 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.
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Coaxial Cartridges, Inc.
Marmor Charles A.
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