Title:
PULL-ACTIVATED FOAM PUMPS, DISPENSERS AND REFILL UNITS
Document Type and Number:
WIPO Patent Application WO/2013/169992
Kind Code:
A3
Abstract:
Foam dispenser pumps and refill units are disclosed herein. A refill unit (10) comprises a container (12) holding a supply of foamable liquid and a foam pump (100) connected to the container. The pump incorporates a valve arrangement to move liquid through the pump and to create the foam. The liquid foam pump may include a housing (104) and a valve stem (110) that moves in two directions. The valve stem has an inlet liquid pathway (130) and an outlet liquid pathway (130) to convey liquid to a mixing chamber (158). A moveable valve body (118) is movable by the valve stem in a first direction to move the valve body to the first position to open a liquid inlet pathway (fig. 1), and moveable in a second direction to move the valve body to the second position to open the outlet liquid pathway (fig. 2).
Inventors:
CIAVARELLA NICK E (US)
QUINLAN ROBERT L (US)
MCNULTY JOHN J (US)
YATES JAMES M (US)
QUINLAN ROBERT L (US)
MCNULTY JOHN J (US)
YATES JAMES M (US)
Application Number:
PCT/US2013/040291
Publication Date:
February 20, 2014
Filing Date:
May 09, 2013
Export Citation:
Assignee:
GOJO IND INC (US)
International Classes:
A47K5/14; B05B7/00; B05B11/00
Foreign References:
| US7004356B1 | 2006-02-28 | |||
| US20070215643A1 | 2007-09-20 | |||
| US20070172369A1 | 2007-07-26 | |||
| EP0011487A1 | 1980-05-28 |
Attorney, Agent or Firm:
BONNER, Chet, J. (Halter & Griswold LLPThe Calfee Building,1405 East Sixth St, Cleveland OH, US)
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