B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
222/76, 222/69.1
B05B 11/00 (2006.01) B65D 35/24 (2006.01) B65D 83/00 (2006.01) B65D 85/72 (2006.01)
Patent
CA 1305949
DISPENSER FOR STRIPED VISCOUS PRODUCTS Abstract In a manually operated dispenser especially suited for striped toothpaste products and the like the reciprocable pumping piston is provided with a concave, product-engaging face that gently, yet forcibly, directs the product in a smooth, laminar flow out of the pump chamber and into the discharge spout when the piston is depressed through a pumping stroke so that stripes in the ribbon of toothpaste issuing from the spout are well defined and maintained in an aesthetically pleasing manner. The cooperating floating takeup piston at the opposite end of the chamber from the pumping piston is provided with a convex dome that becomes complementally received within the con- cavity of the pumping piston when the contents of the dispenser are nearly depleted, thereby maxi- mizing the degree to which the dispenser is emp- tied. (Dkt. 18351)
475811
Gowling Lafleur Henderson Llp
Realex Corporation
LandOfFree
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