Method and apparatus for dispensing multiple beads of viscous li

Dispensing – Processes of dispensing

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222330, 222571, B67D 500

Patent

active

053358252

ABSTRACT:
A method and apparatus for dispensing multiple, closely spaced beads of viscous liquids such as hot melt thermoplastic adhesive is provided which comprises a dispensing device including a nozzle assembly having a nozzle body connected to a nozzle plate carrying a number of closely spaced nozzle tips. The nozzle body is formed with an internal adhesive flow passage terminating with an elongated distribution channel having an outlet. A number of comparatively small diameter discharge passageways are formed in the nozzle plate, each connected to one nozzle tip, and structure is provided for transferring the adhesive from the elongated distribution channel in the nozzle body into each of the discharge passageways, against the influence of gravity, for discharge from the nozzle tips as individual extruded beads.

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