B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/78
B65D 83/14 (2006.01) B05B 9/08 (2006.01) F04B 9/06 (2006.01)
Patent
CA 1099674
7406-U01 INVENTORS Gerald A. Rooney Richard E. Kresge Jerry H. Miller By Thomas W. Brennan TITLE: IMPROVEMENTS IN MANUALLY OPERATED LIQUID DISPENSING DEVICE ABSTRACT OF THE DISCLOSURE: A manually operated, hand-held rechargeable liquid dispensing container device having a non-pressurized, either refillable or non-refillable receptacle or reservoir, is disclosed. The device comprises a relatively reciprocating piston and cylinder defining a pressurizable chamber therebetween which can be charged with liquid from the receptacle or reservoir in the container. The piston or cylinder is reciprocated relative to the other by a charging system connected to either one which compresses a resilient means such as a spring while simultaneously drawing liquid into the chamber through a check valve at the entrance of the liquid chamber. When the chamber is charged with liquid, hydraulic pressure is exerted upon the liquid by the now compressed spring. An improved charging system permits the hydraulic pressure application to be delayed until the check valve closes, insuring a full charge in the pressurizing chamber. The charge system also includes a pair of relatively rotatable parts which are respectively connected to the piston and cylinder such that rotation of one part relative to the other causes the reciprocal action between the piston and cylinder. A discharge valve and a discharge nozzle is also provided, whereby liquid in the charge or pressurizing chamber can be dispensed from the device in a spray if desired. Additional improvements are the provision for precise liquid flow shut-off at the end of the discharge cycle or stroke and means for positive indication of charge cycle corn- pletion which prevents over charging by insuring emptying by discharge some of the liquid in the charged chamber before recharging.
266961
Kresge Richard E.
Miller Jerry H.
Rooney Gerald A.
Afa Products Inc.
Borden Ladner Gervais Llp
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