US2014290097A1PendingUtilityA1

Item of footwear

26
Assignee: NAME DROP SARLPriority: Jul 18, 2011Filed: Jul 18, 2012Published: Oct 2, 2014
Est. expiryJul 18, 2031(~5 yrs left)· nominal 20-yr term from priority
Inventors:Kevin Bann
A43B 7/141A43B 7/14F04B 45/02A43B 13/04A43B 13/188F04B 45/04A43B 13/127A43B 7/00B29D 35/122A43B 13/143A43B 13/181A43B 13/141B29D 35/142F04B 33/00A43B 3/0078A43B 13/16
26
PatentIndex Score
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References
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Claims

Abstract

The present invention relates to an item of footwear having a sole, comprising two or more materials of different compressive resistances, flexibility or densities arranged as a frontal/toe region, a mid foot region and a heel region. The item of footwear comprises: a securing means for securing the item of footwear to a foot of a wearer; and a sole having a midsole which has a frontal/toe region, a mid-foot region and a heel region, the mid-foot region of the midsole being formed from a material different to the material used for the heel region such that the mid-foot region has a lower compressive resistance and/or a lower density and/or a higher flexibility than the heel region, wherein the mid-sole is thin and tapered.

Claims

exact text as granted — not AI-modified
1 . An item of footwear comprising:
 a securing means for securing the item of footwear to a foot of a wearer; and   a sole having a midsole which has a frontal/toe region, a mid-foot region and a heel region, the mid-foot region of the midsole being formed from a material different to the material used for the heel region such that the mid-foot region has a lower compressive resistance and/or a lower density and/or a higher flexibility than the heel region, wherein:   the mid-sole in the heel region has a thickness in the range of 18 mm to 28 mm; and   the mid-sole has a thickness in a part of the region for supporting a ball of wearer's foot which is between 6 mm and 18 mm less than the thickness of the mid-sole in the heel region.   
     
     
         2 . The item of footwear of  claim 1 , wherein the frontal/toe region is formed from a material having higher compressive resistance and/or higher density and/or lower flexibility than the mid-foot region. 
     
     
         3 . The item of footwear of  claim 1 , wherein the thickness of the mid-sole in the heel region is from 23 mm to 25 mm. 
     
     
         4 . The item of footwear of  claim 1 , wherein the mid-sole in the frontal/toe region in the part for supporting the ball of the wearer's foot is between 12 mm and 16 mm less than the thickness of the mid-sole in the heel region. 
     
     
         5 . The item of footwear of  claim 1 , further comprising a recess formed in a medial side surface of the midsole which reduces in width the midsole at a lowermost surface of the midsole, with the width of the midsole narrowing downwardly from an uppermost surface of the midsole to the lowermost surface of the midsole. 
     
     
         6 . The item of footwear of  claim 5 , wherein the recess narrows the lowermost surface of midsole to a narrowest width that is up to 14 mm less than a narrowest width of the uppermost surface of the midsole. 
     
     
         7 . The item of footwear of  claim 5 , wherein the recess narrows the lowermost surface of the midsole such that the lowermost surface has a narrowest width which is between 80% and 90% of a narrowest width of the uppermost surface of the midsole. 
     
     
         8 . The item of footwear as claimed in  claim 5 , wherein the recess extends along the medial side of the midsole from a point in the frontal/toe region of the sole aft of a front of the sole rearwardly across the whole of the mid-foot region of the sole to a point in the heel region of the sole forward of the rear of the heel. 
     
     
         9 . The item of footwear as claimed in  claim 5 , wherein the recess is a concave recess. 
     
     
         10 . The item of footwear of  claim 1 , wherein the sole further comprises an outsole, for engaging the ground. 
     
     
         11 . The item of footwear of  claim 1 , wherein the sole further comprises a topsock provided on an/the uppermost surface of the midsole and engageable by a foot of the wearer. 
     
     
         12 . The item of footwear of  claim 1 , wherein the sole further comprises an insole provided on an/the uppermost surface of the midsole and engageable by a foot of the wearer. 
     
     
         13 . The item of footwear of  claim 1 , wherein mid-sole thickness of 18 mm to 28 mm in the heel region is the minimum thickness of the mid-sole in the heel region. 
     
     
         14 . The item of footwear of  claim 1 , wherein the mid-sole thickness of 18 mm to 28 mm in the heel region is the average thickness of the mid-sole in the heel region. 
     
     
         15 . The item of footwear of  claim 1 , wherein the frontal/toe region of the sole is the forwardmost 15-24% of the sole, the mid-foot region is the middle 37-53% of the sole and the heel region is the rearmost 29-39% of the sole. 
     
     
         16 . The item of footwear of  claim 1 , wherein in the heel region, an/the uppermost surface of the midsole is of greater surface area than a/the lowermost surface of the midsole, a periphery of the midsole being stepped in between 2 mm to 6 mm from the uppermost to lowermost surfaces. 
     
     
         17 . An item of footwear comprising:
 a securing means for securing the item of footwear to a foot of a wearer; and   a sole having a midsole which has a frontal/toe region, a mid-foot region and a heel region, the mid-foot region of the midsole being formed from a material different to the material used for the heel region such that the mid-foot region has a lower compressive resistance and/or a lower density and/or a higher flexibility than the heel region,   wherein the maximum width of the upper surface of the mid-sole in the heel region is in the range of 55 mm to 68 mm.   
     
     
         18 . An item of footwear comprising:
 a securing means for securing the item of footwear to a foot of a wearer; and   a sole having a midsole which has a frontal/toe region, a mid-foot region and a heel region, the mid-foot region of the midsole being formed from a material different to the material used for the heel region such that the mid-foot region has a lower compressive resistance and/or a lower density and/or a higher flexibility than the heel region,   wherein the maximum width of the upper surface of the mid-sole in the frontal/toe and arch regions is in the range of 80 mm to 92 mm.   
     
     
         19 . The item of footwear of  claim 18 , wherein the securing means is a cover for encapsulating the toes of the wearer. 
     
     
         20 . An item of footwear comprising:
 a securing means for securing the item of footwear to a foot of a wearer; and   a sole having a midsole which has a frontal/toe region, a mid-foot region and a heel region, the mid-foot region of the midsole being formed from a material different to the material used for the heel region such that the mid-foot region has a lower compressive resistance and/or a lower density and/or a higher flexibility than the heel region, wherein:   the sole in the heel region has a thickness in the range of 18 mm to 28 mm; and   the sole in the frontal/toe region has a thickness in a part of the region for supporting a ball of wearer's foot which is between 6 mm and 10 mm less than the thickness of the sole in the heel region.   
     
     
         21 . An item of footwear comprising:
 a securing means for securing the item of footwear to a foot of a wearer; and   a sole having a midsole which has a frontal/toe region, a mid-foot region and a heel region, the mid-foot region of the midsole being formed from a material different to the material or materials used for the frontal/toe region and the heel region such that the mid-foot region has a lower compressive resistance and/or a lower density and/or a higher flexibility than the frontal/toe region and the heel region, wherein:   the sole in the heel region has a thickness in the range of 18 mm to 28 mm; and   the sole in the frontal/toe region has a thickness in a part of the region for supporting a ball of wearer's foot which is between 6 mm and 10 mm less than the thickness of the sole in the heel region.   
     
     
         22 . The item of footwear of  claim 20 , wherein the thickness of the sole in the heel region is 23 mm. 
     
     
         23 . The item of footwear of  claim 20 , wherein the sole in the frontal/toe region in the part for supporting the ball of the wearer's foot is  8 mm less than the thickness of the sole in the heel region. 
     
     
         24 . The item of footwear of  claim 20 , further comprising a recess formed in a medial side surface of the midsole which reduces in width the midsole at a lowermost surface of the midsole, with the width of the midsole narrowing downwardly from an uppermost surface of the midsole to the lowermost surface of the midsole. 
     
     
         25 . The item of footwear of  claim 24 , wherein the recess narrows the lowermost surface of midsole to a narrowest width that is 14 to 20 mm less than a narrowest width of the uppermost surface of the midsole. 
     
     
         26 . The item of footwear of  claim 24 , wherein the recess narrows the lowermost surface of the midsole such that the lowermost surface has a narrowest width which is between 70% and 80% of a narrowest width of the uppermost surface of the midsole. 
     
     
         27 . The item of footwear as claimed in  claim 24 , wherein the recess extends along the medial side of the midsole from a point in the frontal/toe region of the sole aft of a front of the sole rearwardly across the whole of the mid-foot region of the sole to a point in the heel region of the sole forward of the rear of the heel. 
     
     
         28 . The item of footwear as claimed in  claim 24 , wherein the recess is a concave recess. 
     
     
         29 . The item of footwear of  claim 20 , wherein the sole further comprises an outsole, for engaging the ground. 
     
     
         30 . The item of footwear of  claim 20 , wherein the sole further comprises a topsock provided on an/the uppermost surface of the midsole and engageable by a foot of the wearer. 
     
     
         31 . The item of footwear of  claim 20 , wherein the sole further comprises an insole provided on an/the uppermost surface of the midsole and engageable by a foot of the wearer. 
     
     
         32 . The item of footwear of  claim 20 , wherein sole thickness of 18 mm to 28 mm in the heel region is the minimum thickness of the sole in the heel region. 
     
     
         33 . The item of footwear of  claim 20 , wherein the sole thickness of 18 mm to 28 mm in the heel region is the average thickness of the sole in the heel region. 
     
     
         34 . The item of footwear of  claim 20 , wherein the frontal/toe region of the sole is the forwardmost 15-21% of the sole, the mid-foot region is the middle 47-53% of the sole and the heel region is the rearmost 20-35% of the sole. 
     
     
         35 . The item of footwear of  claim 20 , wherein an/the uppermost surface of the midsole is of greater surface area than a/the lowermost
 surface of the midsole, a periphery of the midsole being stepped in between 1.5 mm to 2.5 mm from the uppermost to lowermost surfaces.

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