Nozzle, adhesive dispenser, and method of dispensing adhesive

Details Nozzle, adhesive dispenser, and method of dispensing adhesive Nozzle, adhesive dispenser, and method of dispensing adhesive

2011-08-16

2011-08-16

Shaver, Kevin P (Department: 3754)

Dispensing

Nozzles, spouts and pouring devices

Antidrip

C222S001000, C222S146500, C222S326000, C222S490000, C222S494000, C137S844000, C137S859000

Reexamination Certificate

active

07997463

ABSTRACT:
A nozzle, which is for in at least one embodiment a hot glue gun, has a resilient cap that is positioned within the nozzle's conduit. The resilient cap has at least one slit that serves as a check valve. The invention solves the problem of resilient caps in hot glue guns becoming unseated and wedging in the tapering section of the glue gun nozzle conduit by adding a collar inside the conduit that prevents the base section of the resilient cap from wedging in deeper into the nozzle's conduit, which would otherwise make the valve fail.

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“3M Scotch-Weld Polyurethane Reactive PUR EZ Adhesive Systems”, product brochure, 2005, 6 pages, 3M Company, Saint Paul, MN, USA.

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