Pneumatic tire and tire molding mold

A tire molding mold comprising:

• a plurality of sectors divided in a tire circumferential direction;
• a plurality of sipe blades disposed on a tread molding surface of the sectors;
• and
• a plurality of mold pins disposed on the tread molding surface,
• the sipe blades being disposed at positions where a distance Dsm from the mold pin and a diameter Dpm of the mold pin satisfy a relationship of (Dsm/Dpm)≥4.0,
• a pin neighboring blade, among the plurality of sipe blades, in which the distance Dsm from the mold pin and the diameter Dpm of the mold pin satisfying a relationship of (Dsm/Dpm)≤5.0,
• among one or more sipe blades, among the plurality of sipe blades, in which the distance Dsm of the mold pin and the diameter Dpm of the mold pin satisfy a relationship of (Dsm/Dpm)>5.0, a normal blade being defined in which the distance Dsm from the mold pin is smallest,
• the pin neighboring blade being formed in a high rigidity shape having higher rigidity than the normal blade, and
• a maximum depth of the pin neighboring blade being shallower than a maximum depth of the normal blade.

A pneumatic tire comprising:

• a plurality of sipes disposed in a land portion formed in a tread portion;
• and
• a plurality of pin holes for stud pins disposed in the land portion,
• the plurality of sipes being disposed at positions where a distance Ds from the pin hole and a diameter Dp of the pin hole satisfy a relationship of (Ds/Dp)≥4.0,
• a pin hole neighboring sipe, among the plurality of sipes, in which the distance Ds from the pin hole and the diameter Dp of the pin hole satisfying a relationship of (Ds/Dp)≤5.0,
• among one or more sipes, of the plurality of sipes, in which the distance Ds from the pin hole and the diameter Dp of the pin hole satisfy a relationship of (Ds/Dp)>5.0, a normal sipe being defined in which the distance Ds from the pin hole is smallest,
• the pin hole neighboring sipe being formed in a high rigidity shape having higher rigidity than the normal sipe, and
• a ratio of a maximum depth H1 of the pin hole neighboring sipe to a maximum depth H2 of the normal sipe being in a range of 0.3≤(H1/H2)≤0.8.

A pneumatic tire comprising:

• a plurality of sipes disposed in a land portion formed in a tread portion;
• and
• a plurality of pin holes for stud pins disposed in the land portion,
• the plurality of sipes being disposed at positions where a distance Ds from the pin hole and a diameter Dp of the pin hole satisfy a relationship of (Ds/Dp)≥4.0,
• a pin hole neighboring sipe, among the plurality of sipes, in which the distance Ds from the pin hole and the diameter Dp of the pin hole satisfying a relationship of (Ds/Dp)≤5.0,
• among one or more sipes, of the plurality of sipes, in which the distance Ds from the pin hole and the diameter Dp of the pin hole satisfy a relationship of (Ds/Dp)>5.0, a normal sipe being defined in which the distance Ds from the pin hole is smallest,
• the pin hole neighboring sipe being formed in a high rigidity shape having higher rigidity than the normal sipe, and
• a ratio of a maximum width W1 of the pin hole neighboring sipe to a maximum width W2 of the normal sipe being in a range of 1.1≤(W1/W2)≤1.5.