Improved dispenser for fluent products

Details Improved dispenser for fluent products Improved dispenser for fluent products

B - Operations, Transporting

67

D

B67D 7/70 (2010.01) B05B 1/30 (2006.01) B05B 9/08 (2006.01) B29B 7/74 (2006.01)

Patent

CA 2285206

A dispensing gun (10) for fluent products such as viscous adhesives and sealants. The gun includes a removably mounted nozzle (22) and fittings (18) for attachment to a product source such as a can (20) or a hose. A valve body (30) has product inlet and outlet passages (40, 50) with flow being controlled therethrough by a valve that includes a nose portion (110) seated in the valve body, and a rod (28) that extends through the nose portion of the valve and seats on tapered surfaces inside the end of the nozzle. The valve contains a shrouded internal spring (120) biasing the valve to a closed position. A trigger (24) engages the yoke (26) carrying the valve and the valving rod and moves the yoke so that the rod and valve move between open, closed and intermediate positions.

La présente invention concerne un pistolet distributeur (10) pour produits coulants tels que des adhésifs visqueux et des matériaux d'étanchéification. Le pistolet comprend une buse (22) montée amovible et des raccords (18) pour rattachement à une source de produit tel qu'un récipient (20) ou un tuyau. Un corps de soupape (30) présente des passages d'entrée et de sortie (40, 50) de produit, le flux étant commandé dans lesdits passages par une soupape qui comprend une partie bec (110) placée dans le corps de soupape, et une tige (28) qui traverse la partie bec de la soupape, et repose sur des surfaces obliques, à l'intérieur de l'extrémité de la buse. La soupape contient un ressort (120) interne protégé qui maintient la soupape en position fermée. Une gâchette (24) vient en contact avec une arcade portant la soupape et la tige de réglage et déplace l'arcade de sorte que la tige et la soupape se déplacent entre les positions ouverte, fermée et intermédiaire.

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