Module, nozzle and method for dispensing controlled patterns...

Details Module, nozzle and method for dispensing controlled patterns... Module, nozzle and method for dispensing controlled patterns...

2011-05-31

2011-05-31

Tadesse, Yewebdar T (Department: 1713)

Coating apparatus

Projection or spray type

Flexible web or strand work

C118S062000, C118S420000, C242S15700C, C239S296000

Reexamination Certificate

active

07950346

ABSTRACT:
A liquid dispensing module and nozzle or die tip for discharging at least one liquid filament. The nozzle includes a strand guide for guiding a substrate past the nozzle and a frustoconical protrusion disposed on a surface of the nozzle adjacent the notch. A liquid discharge passage extends along an axis through the frustoconical protrusion and forms an acute angle with a machine direction corresponding to movement of the strand past the nozzle. Four air discharge passages are positioned at the base of the frustoconical protrusion. Each of the air discharge passages is angled in a compound manner generally toward the liquid discharge passage and offset from the axis of the liquid discharge passage to create the controlled pattern of liquid material on the strand.

REFERENCES:
patent: 5292068 (1994-03-01), Raterman et al.
patent: 6520237 (2003-02-01), Bolyard et al.
patent: 6863225 (2005-03-01), Nakamura
European Patent Office, European Search Report in EP Application No. 10176683.0, Oct. 22, 2010.
European Patent Office, European Search Report in EP Application No. 10176678.0, Oct. 21, 2010.

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