Patent ID: 8539712
Filing Date: 2013-09-24
Classification: A01G,F16K,Y10T

Abstract:
1. A maple syrup production system comprising a line system under a vacuum to convey sap from a maple tree; and a spout assembly for inserting into a taphole formed in the maple tree; comprising: an input section defining an input channel and adapted for insertion into the taphole so as to receive a flow of sap from the maple tree; an output section defining an output channel and configured to fluidly connect the output channel to the line system; and a main body section operably connected to the input and output sections and that defines an interior chamber to which the input and output channels are fluidly connected, wherein the interior chamber contains a backflow check valve that allows the flow of sap in a direction from the input channel to the output channel when the vacuum is applied to the output end, and that substantially prevents the flow of sap in a direction from the output channel to the input channel when the vacuum is interrupted.