Flat tire repair liquid container

1. A puncture repair liquid holding container formed from: a container main body provided with a holding portion where puncture repair liquid is held, and an opening portion; and a cap attached to the opening portion, the puncture repair liquid holding container comprising:

a first flow channel for the cap to introduce compressed air from outside the container; and

a second flow channel for discharging the puncture repair liquid inside the container; wherein

the first flow channel is configured from a straight portion and a branched portion, the straight portion is provided with an opening end for opening to the outside of the container and a closing end for ending at the inside of the cap, the branched portion is provided with a connecting end for connecting a middle portion of the straight portion and an opening end facing towards the inside of the container main body, a closing plug having a shape that blocks the straight portion is slidably inserted in the straight portion, and switching is possible between a closed condition where the closing plug is positioned above the branched portion or closer to an opening end side of the straight portion than the branched portion such that the first flow channel is closed, and an opened condition where the closing plug is positioned more to a closing end side of the straight portion than the branched portion such that the first flow channel is opened; and

the closing plug forms a cylindrical shape having at least one recessed portion at a middle portion, and an outer diameter r 1 of the closing plug on an opening end side of the straight portion, an outer diameter r 2 of the closing plug on a closing end side of the straight portion, and an outer diameter r 3 of the closing plug on the recessed portion satisfy a relationship r 1 ≥r 2 ≥r 3 .

2. The puncture repair liquid holding container according to claim 1 , wherein the closing plug is configured from an elastomer.

3. The puncture repair liquid holding container according to claim 1 , wherein a length L of the closing plug is longer than an opening diameter of the branched portion to the straight portion, and in the closed condition, the closing plug is positioned above the branched portion and the connecting end of the branched portion is blocked.

4. The puncture repair liquid holding container according to claim 3 , wherein in the closed condition, a protrusion length W 1 of a portion protruding more to an opening end side of the straight portion than the branched portion of the closing plug and a protrusion length W 2 of a portion protruding more to a closing end side of the straight portion than the branched portion of the closing plug satisfy a relationship W 1 ≥W 2 .

5. The puncture repair liquid holding container according to claim 1 , wherein a tube extending toward the inside of the container main body is attached to the second flow channel, and the tube is sealed by a sealing film with an elongation at break of 100% to 300%.

6. The puncture repair liquid holding container according to claim 2 , wherein a length L of the closing plug is longer than an opening diameter of the branched portion to the straight portion, and in the closed condition, the closing plug is positioned above the branched portion and the connecting end of the branched portion is blocked.

7. The puncture repair liquid holding container according to claim 6 , wherein in the closed condition, a protrusion length W 1 of a portion protruding more to an opening end side of the straight portion than the branched portion of the closing plug and a protrusion length W 2 of a portion protruding more to a closing end side of the straight portion than the branched portion of the closing plug satisfy the relationship W 1 ≥W 2 .

8. The puncture repair liquid holding container according to claim 7 , wherein a tube extending toward the inside of the container main body is attached to the second flow channel, and the tube is sealed by a sealing film with an elongation at break of 100% to 300%.