US 12,305,676 B2
Flow restricting orifice
Laurentius Andreas Gerardus Mentink, Haaksbergen (NL)
Assigned to KA Group AG, Zurich (CH)
Appl. No. 18/555,073
Filed by KA Group AG, Zürich (CH)
PCT Filed Apr. 21, 2021, PCT No. PCT/EP2021/060345
§ 371(c)(1), (2) Date Oct. 12, 2023,
PCT Pub. No. WO2022/223106, PCT Pub. Date Oct. 27, 2022.
Prior Publication US 2024/0191732 A1, Jun. 13, 2024
Int. Cl. F16D 1/02 (2006.01); F15D 1/02 (2006.01); F16L 33/20 (2006.01)
CPC F15D 1/025 (2013.01) [F16L 33/20 (2013.01); F16L 2201/10 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An assembly for connecting a tube, said assembly comprising:
a tube connector (30); and
a flow restricting orifice (2; 2′), the flow restricting orifice comprising;
a tubular nozzle (4) having an insert portion (6) for insertion into a mouth of the tube connector;
a visible marking having a marking element (10; 10′) which extends radially outwardly from the tubular nozzle (4) and which includes a frangible connection (12) which is connected to the tubular nozzle and which has at least one predetermined breaking point (14), the frangible connection (12) being configured to release the marking element when the frangible connection (12) is broken before the tube is completely pushed onto the tube connector, the marking element being configured to be retained on the tube connector or on the tube connected to the tube connector to remain, after the tube has been connected to the tube connector (30), as a marking element visible from the exterior of the tube, wherein the flow restricting orifice (2; 2′) is fitted in a the mouth of the tube connector (30).