US 12,419,451 B2
Pre-filled drinking straw with a cross-slit valve closure on both ends
Boris Nolimal, Ljubljana (SI)
Assigned to Alterno Labs d.o.o., Ljubljana-Crnuce (SI)
Appl. No. 16/624,694
Filed by Alterno Labs D.O.O., Crnuce (SI)
PCT Filed Jun. 20, 2017, PCT No. PCT/EP2017/065115
§ 371(c)(1), (2) Date Dec. 19, 2019,
PCT Pub. No. WO2018/233816, PCT Pub. Date Dec. 27, 2018.
Prior Publication US 2020/0113363 A1, Apr. 16, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. A47G 21/18 (2006.01); A61J 7/00 (2006.01)
CPC A47G 21/18 (2013.01) [A47G 21/183 (2013.01); A61J 7/0038 (2013.01); A47G 2400/027 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A pre-filled straw to be used for oral administration of a product, the pre-filled straw comprising:
a first cylindrical straw segment defining a first central channel which contains the product, the first cylindrical straw segment further comprising:
a first end having a first membrane extending across the first central channel, the first membrane including a first integrally formed cross-slit valve; and
a second end open to the first central channel; and
a second cylindrical straw segment defining a second central channel, the second cylindrical straw segment further comprising:
a third end having a second membrane extending across the second central channel, the second membrane including a second integrally formed cross-slit valve; and
a fourth end open to the second central channel,
wherein the second end of the first cylindrical straw segment and the fourth end of the second cylindrical straw segment are detachably coupled to one another.