US 9,810,361 B2
Pour spout adapter assembly for pumping system
Joseph E. Tix, Hastings, MN (US); Christopher J. Pellin, Burnsville, MN (US); Mark T. Weinberger, Mounds View, MN (US); and Andrew M. Spiess, Forest Lake, MN (US)
Assigned to Graco Minnesota Inc., Minneapolis, MN (US)
Appl. No. 14/125,394
Filed by Joseph E. Tix, Hastings, MN (US); Christopher J. Pellin, Burnsville, MN (US); Mark T. Weinberger, Mounds View, MN (US); and Andrew M. Spiess, Forest Lake, MN (US)
PCT Filed Jun. 19, 2012, PCT No. PCT/US2012/043156
§ 371(c)(1), (2), (4) Date Dec. 11, 2013,
PCT Pub. No. WO2012/177645, PCT Pub. Date Dec. 27, 2012.
Claims priority of provisional application 61/498,982, filed on Jun. 20, 2011.
Prior Publication US 2014/0124050 A1, May 8, 2014
Int. Cl. F16L 39/00 (2006.01); F16L 19/02 (2006.01); F04B 15/02 (2006.01); F04B 17/06 (2006.01); F04B 19/04 (2006.01); F04B 53/16 (2006.01)
CPC F16L 39/00 (2013.01) [F16L 19/0225 (2013.01); F04B 15/02 (2013.01); F04B 17/06 (2013.01); F04B 19/04 (2013.01); F04B 53/16 (2013.01); Y10T 137/598 (2015.04)] 26 Claims
OG exemplary drawing
 
1. A pour spout adapter assembly comprising:
a cylindrical housing extending from a first axial end to a second axial end, the cylindrical housing comprising:
an inlet bore extending from the first axial end to the second axial end;
a return bore extending from the first axial end to the second axial end;
a vent passageway configured to allow air to pass through the housing and into a fluid container, the vent passageway comprising:
a vent bore extending into the housing between the first axial end and the second axial end; and
a vent passage that intersects the first vent bore and extends to the second axial end of the housing;
a cap located at the first axial end of the housing to seal against the inlet and return bores; and
a threaded collar rotatably joined to the second axial end of the housing and including internally located threads configured to allow the housing to be connected to a fluid container at a threaded pour spout.