摘要:
In a hand held electrostatic type spray coating gun a removable cartridge lengthens the paint supply conduit between the base of the grounded handle and the barrel so that the gun can be used to spray paints which have moderate electrical conductivities such as those containing metallic particles. The cartridge includes a Teflon tube in the form of an elongated spiral. Fluid connections at each end of the cartridge allow the cartridge to be easily removed and stored, and a straight conduit substituted for it when it is not needed, for example when the gun is to be used for nonconductive paints. The location of the cartridge facilitates removal, and combines with the gun to provide a well balanced device for hand held operation.
摘要:
A continuously energized electrostatic spray coating system sends measured masses of highly conductive coating material across an insulating air space from a grounded pulser to a high voltage container. A series of such continuously energized voltage blocks have their output connected to a manifold which is alternately supplied paint from one of the voltage blocks by remote control.
摘要:
Conductive paints are electrostatically sprayed by electrically isolating the electrostatic charge imposed on the atomizing head from the paint supply tank to prevent dissipation of the charge through the conductive paint which is supplied.
摘要:
A quantitation setup mechanism (58) is composed of a piston (62) which is incorporated into a quantitation tank (61) to define therein a metering chamber (63), a quantitation setup portion (65) for presetting a quantity of paint replenishment, and a sensor (66) adapted to detect a displacement of the piston (62) preset by the quantitation setup portion (65). In this instance, paint is replenished into a paint chamber (19) of a cartridge (16) by means of a paint feed mechanism (32). In the course of the paint replenishment, an equivalent amount of an extruding liquid is displaced and discharged from an extruding liquid chamber (20). The displaced extruding liquid is introduced into the metering chamber (63) of the quantitation setup mechanism (58), detecting a quantity of displacement of the extruding liquid by replenished paint by the sensor (66) through the piston (62) to exactly quantitate the paint replenishment.
摘要:
The invention relates to a method for supplying a paint application device with paint, whereby a determined amount of paint is transported between two scrapers through a scraper line, from a first scraper station which can be connected to a paint supply source, to a second scraper station which can be connected to the paint application device. Said scraper line is cleaned on the return path from the second scraper station to the first scraper station, by a cleaning product which is also transported between the two scrapers. In this way, the scraper line can be cleaned in a reliable manner, with a simple embodiment of the scraper, thus rendering the inventive method especially useful when a color change is carried out.
摘要:
A paint delivery and application system including a color changer, at least two paint canisters and a paint applicator, a first pair of supply lines connected between the color changer and the paint canisters and a second pair of supply lines connecting the paint canisters and the paint applicator, wherein the paint canisters operate in tandem permitting delivery of a first paint to one of the paint canisters while a second paint canister is electrically isolated from the color changer and is delivering paint to the applicator. In one disclosed embodiment, the delivery line from the paint canisters to the applicator includes two pigs and solvent is delivered between the pigs, such that this system is self purging.
摘要:
The invention relates to a method for coating adhesive surfaces of fixing elements with a hot-melt adhesive, and to a device for carrying out said coating method. Base surfaces (5) of recesses (2) are formed by tappets (6), whereby the lateral walls thereof are displacably guided in the recesses (2). A displaceable container (9) which is used to fill up the adhesive powder in the recesses (2) is arranged next to the recesses (2). The side edges (10) of the container (9) cover a working plate (1). A slit (11) which is used to receive the securing element (4) is arranged on the other side of the recesses (2), said slit being provided with continuous holes (12) for the tappets (6). A pressure stamp (13) provided with a pressure plate (14) which is lowered onto the securing element (4) is arranged over the recesses (2). A heating station (15) which is used to heat the securing element prior to heating the recesses (2) to the desired heating temperature is arranged at a distance from the slits (11).
摘要:
The invention concerns a pig scraper for cleaning the inside wall of a coating agent conduit. The pig scraper includes a body insertable in the conduit and at least one sealing lip that seals against the inside wall of the conduit and extends parallel to a longitudinal axis of the body. A space is defined between the sealing lip and the body to form a pocket for enhancing the sealing of the sealing lip with respect to the conduit. The length of the sealing lip substantially prevents the lip from folding over on itself in response to a change in the direction of movement of the pig scraper in the conduit.
摘要:
The invention concerns a pig scraper for cleaning the inside wall of a coating agent conduit. The pig scraper includes a body insertable in the conduit and at least one sealing lip that seals against the inside wall of the conduit and extends parallel to a longitudinal axis of the body. A space is defined between the sealing lip and the body to form a pocket for enhancing the sealing of the sealing lip with respect to the conduit. The length of the sealing lip substantially prevents the lip from folding over on itself in response to a change in the direction of movement of the pig scraper in the conduit.
摘要:
The invention concerns a pig scraper for cleaning the inside wall of a coating agent conduit. The pig scraper includes a body insertable in the conduit and at least one sealing lip that seals against the inside wall of the conduit and extends parallel to a longitudinal axis of the body. A space is defined between the sealing lip and the body to form a pocket for enhancing the sealing of the sealing lip with respect to the conduit. The length of the sealing lip substantially prevents the lip from folding over on itself in response to a change in the direction of movement of the pig scraper in the conduit.