US 12,140,274 B2
Supply tank for inflammable gas with protective cap
Marcel Joseph Andre Vouriot, La Salle (CA); Robert Amborsky, Winnipeg (CA); Patrick Badiou, Sanford (CA); and Sean Oosterveen, Winnipeg (CA)
Assigned to Vomar Industries Inc., La Salle (CA)
Filed by Vomar Industries Inc., La Salle (CA)
Filed on Nov. 18, 2022, as Appl. No. 17/989,928.
Prior Publication US 2024/0167636 A1, May 23, 2024
Int. Cl. F17C 13/06 (2006.01); F17C 13/02 (2006.01)
CPC F17C 13/06 (2013.01) [F17C 13/02 (2013.01); F17C 2201/0109 (2013.01); F17C 2205/0305 (2013.01); F17C 2205/0308 (2013.01); F17C 2205/0323 (2013.01); F17C 2205/0382 (2013.01); F17C 2223/0123 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A refillable supply tank for an inflammable gas comprising:
a tank body defining a container with a wall surrounding a hollow interior for receiving the gas and an opening in the wall;
a collar mounted in the opening and attached to the wall at the opening, the collar defining a central bore to allow gas to escape from the interior and to allow refillable gas to be fed into the interior;
a generally cylindrical valve receptacle distinct from the collar and carrying an external male screw thread engaged into an internal female screw thread in the bore of the collar;
the valve receptacle defining a passage therethrough extending from an end face of the valve receptacle into the interior of the tank body;
a valve body in the passage arranged to seal the passage against escape of the gas and operable to open the passage to allow the escape when required;
and a valve protection cap for covering the valve receptacle with the valve body therein and at least part of the collar;
the valve protection cap including an upper wall and at least one depending peripheral wall;
the valve protection cap including at least one engagement surface thereon which engages onto the outside of the collar;
wherein the upper wall of the valve protection cap includes at least one component which engages and cooperates with a cooperating component at the end face of the valve receptacle.