Adhesive dispensing nozzles for producing partial spray patterns

Details Adhesive dispensing nozzles for producing partial spray patterns Adhesive dispensing nozzles for producing partial spray patterns

1997-09-29

1999-03-16

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

118314, 118325, 15624411, 156500, 156578, 26417113, 26421114, 425 722, 425 90, 425113, 425192S, 425463, 4272086, 427256, 427286, 427422, B05B 706, B29C 4706

Patent

active

058825738

ABSTRACT:
A system and method for applying fluids, including fiberized hot melt adhesive, onto a substrate from one or more meltblowing die assemblies mounted on a manifold that supplies fluid thereto. At least one of the die assemblies is selected from a group of die assemblies having different configurations of fluid dispensing orifices, wherein various combinations of the different die assembly configurations are mountable onto the manifold to provide a wide range of partial fluid dispensing patterns onto the substrate. Each of the plurality of fluid dispensing orifices are flanked by an air dispensing orifice disposed on opposing sides thereof, wherein air dispensing orifices may extend across a portion of the remaining portion of the meltblowing die assembly void of fluid dispensing orifices. At least one of the die assemblies having air dispensing orifices arranged relative to the fluid dispensing orifices to increasingly decrease an oscillation amplitude of fluid dispensed from the fluid dispensing orifices approaching an endmost fluid dispensing orifice thereof.

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