B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
222/81
B05C 17/015 (2006.01) B05C 17/005 (2006.01)
Patent
CA 2017770
A pneumatically actuatable dispenser for a two-part adhesive, as provided in a cartridge having two chambers and having a mixing nozzle mounted to a first end, each chamber having a plunger accessible from a second end. A front frame holds the cartridge. A piston is arranged to be selectively driven within a cylinder in a forward or reverse direction. A pair of piston rods operate in tandem to drive the plungers toward the nozzle, when driven conjointly with the piston in the forward direction. A first valve, when actuated, delivers pressurized air driving the piston in the forward direction. A second valve, when actuated, delivers pressurized air driving the piston oppositely. A third valve, when actuated while the first valve is actuated, vents pressurized air from the cylinder. A first control rod, which moves conjointly with the piston, and a second control rod may be selectively linked to each other for conjoint movement or unlinked from each other, via a linking lever and a cam. An actuator, which is positionable adjustably along the second control rod, actuates the third valve after conjoint movement of both control rods and the actuator, along with the piston, by a distance correlating to a controlled dose of the mixed parts of the adhesive. A valve can be manually actuated to divert pressurized air, via a hose, to a nozzle for blowing water or debris from a hole to receive the adhesive.
Ernst Richard John
Olma Marian
Paul Sigismund
Sevald Frederick G.
Finlayson & Singlehurst
Illinois Tool Works Inc.
LandOfFree
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