Midsole having a clear free space
A shoe sole ( 1 ) includes a stability support plate ( 3 ) and a soft elastic midsole ( 2 ) having a forefoot area (VFB), a midfoot area (MFB) and a heel area (FB). The stability support plate is peripherally surrounded by the midsole and the midsole ( 2 ) has a clear space ( 21 ) open to the bottom side (U) of the midsole ( 2 ), which is peripherally surrounded substantially completely by the midsole ( 2 ) and is delimited by the stability support plate ( 3 ). The clear space ( 21 ) extends from the heel area (FB) over the midfoot area (MFB) into the forefoot area (VFB) of the midsole ( 2 ).
1. A shoe sole ( 1 ) comprising:
a stability support plate ( 3 ) and a soft-elastic midsole ( 2 ) having a forefoot area (VFB), a midfoot area (MFB) and a heel area (FB), wherein the stability support plate is peripherally surrounded by the midsole and wherein the midsole ( 2 ) comprises a clear space ( 21 ) being open towards a bottom side (U) of the midsole ( 2 ), which is peripherally surrounded substantially completely by the midsole ( 2 ) and which is delimited by the stability support plate ( 3 ), and wherein the clear space ( 21 ) extends from the heel area (FB) via the midfoot area (MFB) into the forefoot area (VFB) of the midsole ( 2 ), wherein the midsole ( 2 ) includes a plurality of channels ( 23 a , 23 b , 23 c , 23 d ) configured as blind holes which are open towards the clear space ( 21 ) and extend towards an outer side of the midsole ( 2 ).
2. The shoe sole ( 1 ) according to claim 1 , wherein the soft elastic midsole ( 2 ) comprises a circumferential step ( 25 ), wherein the stability support plate ( 3 ) is arranged on and/or attached to the step ( 25 ).
3. The shoe sole ( 1 ) according to claim 1 , wherein the top side of the stability support plate ( 3 ) is uncovered by the midsole ( 2 ).
4. The shoe sole ( 1 ) according to claim 3 , wherein the stability support plate ( 3 ) is aligned with the midsole ( 2 ) peripherally surrounding the stability support plate.
5. The shoe sole ( 1 ) according to claim 1 , wherein a length of the stability support plate ( 3 ) in a longitudinal direction is at least 80% of a length of the midsole ( 2 ) and/or wherein a width of the stability support plate ( 3 ) in a transverse direction (Q) is at least 50% of a width of the midsole ( 2 ) in the transverse direction (Q).
6. The shoe sole ( 1 ) according to claim 1 , wherein the midsole ( 2 ) comprises in the heel area (FB) a cavity ( 24 ) delimited by the midsole ( 2 ) and the stability support plate ( 3 ).
7. The shoe sole ( 1 ) according to claim 6 , wherein the cavity ( 24 ) is completely closed by the stability support plate ( 3 ) and the soft elastic midsole ( 2 ).
8. The shoe sole ( 1 ) according to claim 6 , wherein the cavity ( 24 ) is arranged between a heel edge ( 22 ) of the midsole ( 2 ) and the clear space ( 21 ).
9. The shoe sole ( 1 ) according to claim 1 , wherein the midsole ( 2 ) is at least partially provided with an outsole ( 4 ) on the bottom side (U) and wherein a lateral area (LB) of the midsole ( 2 ) is completely provided with the outsole ( 4 ).
10. The shoe sole ( 1 ) according to claim 9 , wherein the outsole ( 4 ) is structured.
11. The shoe sole ( 1 ) according to claim 1 , wherein the channels ( 23 a , 23 b , 23 c , 23 d ) are arranged in the heel area (FB) and in the midfoot area (MFB), and wherein preferably the forefoot area (VFB) is free of channels.
12. The shoe sole ( 1 ) according to claim 1 , wherein the channels ( 23 a , 23 b , 23 c , 23 d ) are configured to deform in vertical (V) and/or horizontal direction (L) by forces occurring during walking in such a way that the openings of the channels ( 23 a , 23 b , 23 c , 23 d ) close at least up to ⅓, preferably at least up to ⅔.
13. The shoe sole ( 1 ) according to claim 1 , wherein the channels ( 23 a , 23 b , 23 c , 23 d ) are delimited by the stability support plate ( 3 ) and the soft elastic midsole ( 2 ).
14. The shoe sole ( 1 ) according to claim 1 , wherein the midsole ( 2 ) comprises one or more grooves ( 26 ) extending in the transverse direction (Q), which are in the longitudinal direction (L) arranged in front of and/or behind a channel ( 23 b , 23 c ) and are open towards the bottom side (U) of the midsole ( 2 ).
15. The shoe sole ( 1 ) according to claim 1 , wherein a wall thickness (W) between an end of the channel ( 23 a , 23 b , 23 c , 23 d ) and the outer side of the midsole ( 2 ) is at least 3 mm.
16. A shoe ( 100 ) comprising a shoe sole ( 1 ) according to claim 1 .
17. The shoe ( 100 ) according to claim 16 , wherein the shoe comprises an outer upper ( 52 ) and an inner textile upper ( 51 ).
18. The shoe according to claim 17 wherein the inner upper ( 52 ) defines an interior space ( 53 ) completely segregated from said outer upper by said inner upper ( 51 ).
19. A use of a shoe sole according to claim 1 in the manufacture of a shoe.
20. The shoe sole ( 1 ) according to claim 5 , wherein a length of the stability support plate ( 3 ) in a longitudinal direction is 80% to 95% of a length of the midsole ( 2 ) and/or wherein a width of the stability support plate ( 3 ) in a transverse direction (Q) is 50 to 90% of a width of the midsole ( 2 ) in the transverse direction (Q).
21. The shoe sole ( 1 ) according to claim 9 , wherein the midsole ( 2 ) is at least partially provided with an outsole ( 4 ) on the bottom side (U) and wherein a lateral area (LB) of the midsole ( 2 ) is completely provided with the outsole ( 4 ) and only a part of a medial area (MB) of the midsole ( 2 ) is provided with the outsole ( 4 ).