US 11,834,316 B2
Vent tube for bottling machine and related methods
Alton W. Mowdy, Fort Worth, TX (US)
Assigned to M&M Machinery Services, Inc., Fort Worth, TX (US)
Filed by M&M Machinery Services, Inc., Fort Worth, TX (US)
Filed on Oct. 28, 2022, as Appl. No. 17/976,390.
Application 17/148,171 is a division of application No. 15/465,248, filed on Mar. 21, 2017, granted, now 10,913,645, issued on Feb. 9, 2021.
Application 17/976,390 is a continuation of application No. 17/148,171, filed on Jan. 13, 2021, granted, now 11,485,624.
Claims priority of provisional application 62/468,145, filed on Mar. 7, 2017.
Claims priority of provisional application 62/311,727, filed on Mar. 22, 2016.
Prior Publication US 2023/0051853 A1, Feb. 16, 2023
Int. Cl. F16L 37/113 (2006.01); B67C 3/26 (2006.01)
CPC B67C 3/2614 (2013.01) [B67C 3/26 (2013.01); B67C 2003/2602 (2013.01); B67C 2003/2668 (2013.01); B67C 2003/2674 (2013.01); F16L 37/113 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A gas stem assembly comprising:
a vent tube having a seal portion and at least one protrusion, the at least one protrusion extending radially from the vent tube;
a receiver having a non-circular opening and an attachment surface at an end of the non-circular opening, wherein the seal portion and at least one protrusion of the vent tube are able to be passed through the non-circular opening when the vent tube and the at least one protrusion are aligned with the non-circular opening, wherein the attachment surface of the receiver contacts the at least one protrusion to inhibit the at least one protrusion from passing back through the non-circular opening when the at least one protrusion is misaligned with the non-circular opening.