B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 83/28 (2006.01) B65D 83/32 (2006.01) B65D 83/44 (2006.01)
Patent
CA 2170445
A dispensing device (16) for dispensing a fluid compo- sition, e.g., a foaming soap composition (18) has a reduc- ed risk of flashback because it has a flow path including a valve having a valve outlet of reduced cross-sectional flow area as compared to conventional dispensers, and a discharge orifice (36) whose cross-sectional flow area does not exceed the cross-sectional flow area of the mass flow rate limiting aperture of the device by more than about 1000 percent. This enables attainment of a high but controllable discharge velocity. The device includes a capillary dip tube (28) connected in flow communication with a valve which controls the flow of the foaming soap composition through the device by movement of the valve between a closed and a fully-open position. The valve is biased towards its closed position by a threshold bias spring (27a) which accelerates movement of the valve to- wards its fully-open position upon actuation, i.e., causes the valve to snap to its fully-open position upon the ap- plication of opening pressure to the valve.
Clapp Clarence P.
Creative Products Inc.
Sim & Mcburney
LandOfFree
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