Abstract:
A heating system includes an air motor with an exhaust; a pump for a hot melt dispensing system and driven by the air motor; and a shroud enclosing at least a portion of the air motor and the pump to direct heat from the pump to the exhaust of the air motor.
Abstract:
A hot melt dispensing system includes a hopper, a delivery line, a shaker, and an air supply line. The hopper stores hot melt pellets and the delivery line delivers the hot melt pellets from the hopper. The shaker agitates the hot melt pellets. The air supply line supplies air that flows through the shaker to produce vibration and additionally flows through the delivery line to create a vacuum that draws the hot melt pellets through the delivery line.
Abstract:
A hot melt dispensing system including a container for storing adhesive pellets, a feed system for transporting adhesive pellets from the container, and a blower. The blower is positioned with respect to an inlet of the feed system for applying a flow of air for agitating the adhesive pellets and moving the adhesive pellets toward the inlet.
Abstract:
A system includes a base, a melter, and a heater. The base defines a basin with an outlet connected to the basin. The melter is above the base and has an upper end for receiving hot melt pellets and a lower end adjacent to the basin so that hot melt liquid can flow from the melter through the basin to the outlet. The heater is attached to at least one of the base and the melter, and the melter is releasably attached to at least one of the base and the heater.
Abstract:
A fast-set, plural component, spray applicator includes a stationary mix chamber to eliminate dynamic metal-to-metal high pressure fluid sealing. The stationary mix chamber mixes the plural components before dispensing the mixed components from the spray applicator. The spray applicator includes fluid needles configured to engage and disengage seals to perform the fluid valving. Needles control both fluid and air flow to the stationary mix chamber.
Abstract:
A spray applicator is operable in a spray state, during which the applicator emits a plural component material formed within a mix chamber of the spray application, and a purge state, during which the spray applicator emits compressed air from the mix chamber. First and second portions of the purge air are provided to the mix chamber through separate flowpaths and combine within the mix chamber. Only one of the portions of purge air is routed through a dosing chamber to entrain solvent and carry the solvent to the mix chamber. The solvent assists in clearing residue from the mix chamber.
Abstract:
A mix chamber for a plural component sprayer is configured to receive first and second component materials and emit a spray of a resulting plural component material. The mix chamber includes a chamber body extending between a first end and a second end and including flat lateral sides. A ramp feature is disposed proximate the first end and is configured to contact and push first and second side seals, respectively, away from a body axis as the mix chamber shifts in a first direction through a cartridge bore to increase a gap between the first side seal and the second side seal such that the first side seal engages the first flat lateral side and the second side seal engages the second flat lateral side.
Abstract:
A spray gun includes a valve cartridge configured to be axially installed and removed as a single piece. The valve cartridge includes at least one engagement member to prevent rotation of valve cartridge within the gun body of the spray gun.