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Metering system for simultaneously dispensing two different adhesives from a single metering device or applicator onto a common substrate
Metering system for simultaneously dispensing two different adhesives from a single metering device or applicator onto a common substrate
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机译:计量系统,用于将两种不同的粘合剂从单个计量设备或施涂器同时分配到同一基材上
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摘要
A method of making an article having a substrate and two materials applied thereto includes providing a metered fluid dispensing system having first and second supply sources for supplying first and second fluids, respectively, an output device having at least one dispensing nozzle, and at least two pumps for pumping the first and second fluids from their respective supply sources to the at least one dispensing nozzle, the pumps being in close proximity to the dispensing nozzle. The dispensing system is configured to selectively control the passage of the first and second fluids from each one of the at least two pumps to the at least one dispensing nozzle. The substrate is conveyed past the fluid dispensing system in a machine direction and the first, or second, or first and second fluids are applied to the substrate in a plurality of segments, each segment having a volume per unit length and applied in a length in the machine direction to define a pattern, and in which wherein the pattern includes at least some areas in which the first or second fluid is present without the other fluid.
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