Integrated vent and fluid transfer fitment

Details Integrated vent and fluid transfer fitment Integrated vent and fluid transfer fitment

B - Operations, Transporting

67

D

B67D 7/06 (2010.01) B67D 3/00 (2006.01)

Patent

CA 2446440

A vent and fluid transfer fitment (30) for sealing and trans- ferring a fluid from an inverted fluid-filled container (16) without premature leakage to a receiver attachment (22), has a transfer check valve (12) and a venting check valve (13) which are preferably duck- bill valves. The transfer check valve is attached to the fitment for allowing fluid to be transferred from the container when the receiver attachment engages the transfer check valve. The venting check valve is also attached to the fitment for allowing air to displace the fluid as the fluid exits the container, wherein both the transfer check valve and the venting check valve have an inherent sealing pressure created by the static pressure of the fluid within the container. In addition, the inherent sealing pressure of the venting check valve is less than the inherent sealing pressure of the transfer check valve which allows air to enter the container due to the pressure differen- tial created as the fluid is displaced. Image

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