B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
B67D 7/02 (2010.01) B67D 7/34 (2010.01) B67D 1/08 (2006.01)
Patent
CA 2065254
A coupling (10) connecting an a of tubes (17, 18, 19) to a barrel and a plurality of flow courses (24, 26, 38) in the barrel, the coupling having a head (11) with multiple flow passages (23, 25, 27) and a bung with multiple flow passages and interfitting with the head portion to form sealed annular flow passages (32, 36) concentric of center flow course (24) connecting selected passages in the head and bung regardless of the relative orientations of the bung, and head when assembled, the circular interfitting portions having radial seals (48, 49) to isolate the flow passages; and a rotatable code ring (60) on the head to fit with a stationary code (61) ring on the bung, and a clamp ring (67) retaining the code rings in assembly and retaining the sealed passages (32, 36) in isolation from each other and from center flow course (24).
Hennen John
Rauworth Barry Lee
Borden Ladner Gervais Llp
Entegris Inc.
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