Patent ID: 8220671

Claim:
A pour spout for use in the transfer of fluids, said pour spout comprising: a support tube; a plunger slidably and rotatably disposed at least partially within said support tube; and a flow control collar rotatably disposed at least partially on said support tube, wherein rotation of said flow control collar about said support tube causes said plunger to slide at least partially within said support tube; said support tube comprising a generally cylindrical support wall surrounding a support fluid flow conduit and extending between an entrance end and an exit end; said flow control collar comprising: a collar wall extending between an open support end and an open fluid exit, said collar wall being a stepped substantially cylindrical wall; said flow control collar comprising: a rear support flange portion; a medial collar portion; and a flow control nozzle, said rear support flange extending from said open support end to a first end of said medial collar portion and said flow control nozzle extending from a second end of said medial collar portion to said open fluid exit; said rear support flange portion further comprising: at least one flow control guide channel extending from said open support end; and at least one flow control guide slot extending radially at least partially around said rear support flange and intersecting at least one of said at least one flow control guide channel.