WO2011092728A1 - Method for manufacturing high-comfort shoes and shoes manufactured using the method - Google Patents

Method for manufacturing high-comfort shoes and shoes manufactured using the method Download PDF

Info

Publication number
WO2011092728A1
WO2011092728A1 PCT/IT2011/000022 IT2011000022W WO2011092728A1 WO 2011092728 A1 WO2011092728 A1 WO 2011092728A1 IT 2011000022 W IT2011000022 W IT 2011000022W WO 2011092728 A1 WO2011092728 A1 WO 2011092728A1
Authority
WO
WIPO (PCT)
Prior art keywords
heel
shoes
padding
insole
height
Prior art date
Application number
PCT/IT2011/000022
Other languages
French (fr)
Inventor
Sante Bolzonaro
Original Assignee
Calzaturificio Carmens S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Calzaturificio Carmens S.P.A. filed Critical Calzaturificio Carmens S.P.A.
Priority to ES11709206.4T priority Critical patent/ES2504976T3/en
Priority to RU2012136455/12A priority patent/RU2538922C2/en
Priority to EP11709206.4A priority patent/EP2528464B1/en
Publication of WO2011092728A1 publication Critical patent/WO2011092728A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • A43B13/40—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process with cushions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/141—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form having an anatomical or curved form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/16—Footwear with health or hygienic arrangements with foot-supporting parts with elevated heel parts inside
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/30—Protecting the ball-joint against pressure while standing
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D999/00—Subject matter not provided for in other groups of this subclass

Definitions

  • This invention relates to a method manufacturing high-comfort shoes and shoes manufactured using the method.
  • low heel will refer to heels in which the vertical height of the heel is not more than approximately 30 mm
  • high heels will be meant shoes in which the vertical height of the heel is approximately 60 mm or more
  • medium heel will be meant shoes in which the vertical height of the heel lies between the two extremes indicated above.
  • the invention thus teaches preferred arrangements of the insole padding to improve the distribution of the body load at the insole/foot interface, correlating this distribution with the height of the shoe's heel.
  • FIG. 1 to 3 illustrate three diagrammatical views in lateral elevation of shoes of similar type having heels of different height
  • FIGS. 4 to 6 are three diagrammatical views in lateral elevation of three corresponding insoles for the shoes in the preceding figures,
  • FIG. 7 to 8 are three views in cross-section along the three planes which pass through the lines VII-VII, VIII-VIII and IX-IX respectively of the insoles for the shoes in the preceding figures.
  • This invention can however also be applied to other types of shoes, for example sandals, clogs, slippers or boots.
  • Sole 3 In all three shoes there is a sole 3 with a plantar portion 4 and a heel portion 5 which are longitudinally opposite each other. Sole 3 includes a padded insole 7 which may be either of the fixed type (attached to the layers of sole 3) or removable, merely inserted into shoes la-c to partly or wholly cover the inner surface of sole 3.
  • insole 7 has a corresponding localised increase in padding which will be subsequently referred to as the plantar padding 8 and the heel padding 9.
  • Insole 7 may have both paddings 8, 9 ( Figures 5 and 8) or only the heel padding 9 ( Figures 4 or 7) or only the plantar padding 8 ( Figures 6 and 9).
  • the localised increases in padding are provided through corresponding cushions 8a, 9a whose thickness is locally added to plantar portion 4 or heel portion 5. These cushions are added to an insole 7 of otherwise substantially uniform thickness.
  • the method according to this invention is essentially based on the fact that a correlation has been found between the height of heels 2a, b, c and the corresponding plantar and heel padding to maximise the comfort of the shoe.
  • the insole for a low heel 2a has a clear predominance of padding in heel portion 5, which can be quantified as 80-100% of the volume of the padding.
  • the insole will have a greater thickness in heel portion 5 deriving from cushion 9a which therefore results in more padding in that portion than is used in low-heeled shoes.
  • other technical solutions to achieve a predominance of padding in heel portion 5, for example obtained by a particular conformation of the insole in that portion may also be used in place of cushion 9a.
  • the insole for a high heel 2c that is for a heel of 60 mm or more in height, is instead provided with a clear predominance of padding (75-100% of the volume of padding) in plantar portion 4 and less padding (0-25% of the volume of padding) in heel portion 5.
  • the insole for a medium heel 2b is provided with padding distributed in a substantially equal way between heel portion 5 and plantar portion 4, that is with 50% of the padding in plantar portion 4 and 50% of the padding in heel portion 5. More generally, in the case of a medium heel some variability in the percentage distribution of padding between plantar portion 4 and heel portion 5 in comparison with the preferred values mentioned above may be allowed, and this can be quantified as a range of between 40 and 60% in the percentage padding in plantar portion 4 and a corresponding percentage in heel portion 5.
  • shoes included in the same line according to this invention may also differ in other features, in particular aesthetic features or features directly associated with a different height of heel.
  • the sole although having similar characteristics, may also be shaped differently between the different shoes to adjust to the various heights of heel, these modifications being in any event obvious to those skilled in the art.
  • a group of shoes which are manufactured from the same basic components, for example uppers and a sole, although differing in their accessory characteristics, will form a line of shoes in the meaning according to this invention.
  • shoes included in one and the same line may be manufactured using the same machinery, and may differ in those accessory characteristics described above.
  • a line of shoes manufactured according to the method according to this invention will therefore comprise at least two shoes having similar macroscopic characteristics but different types of heel (that is shoes which may be manufactured using the same machinery in high, medium and/low- heel versions) in which provision is made for an insole 7 in which the concentration of padding is increased in plantar portion 4 and decreased in heel portion 5 as the vertical height of heel 2a, 2b, 2c increases.
  • shoes having a low heel 2a that is of a height not more than 30 mm
  • shoes having a high heel 2c that is having a height of more than 60 mm
  • shoes with a high heel 2c that is having a height of more than 60 mm
  • shoes with a medium heel 2b that is of height between 30 and 60 mm
  • the invention therefore achieves the results proposed providing an easy and effective method for increasing the comfort of shoes which are similar in type but which differ in height of heel in such a way that the comfort experienced is essentially the same for both shoes having a medium or low heel and shoes having a substantially higher heel.

Abstract

A method for the manufacture of high-comfort shoes (1) in which for the same or similar type of shoe including a plantar portion (4) and a heel portion (5) which can be manufactured in high, medium and/or low heel versions provision is made for an insole (7) in which the concentration of padding is increased in the plantar portion and decreased in the heel portion as the vertical height of the heel (2a, 2b, 2c) increases.

Description

Method for manufacturing high-comfort shoes and shoes manufactured using the method
DESCRIPTION
This invention relates to a method manufacturing high-comfort shoes and shoes manufactured using the method.
In the specific technical field it is known that shoes of the same or similar type or model which are then made in different versions with a low, medium and/or high heel can be designed. In the context which follows the term low heel will refer to heels in which the vertical height of the heel is not more than approximately 30 mm, by high heels will be meant shoes in which the vertical height of the heel is approximately 60 mm or more and by medium heel will be meant shoes in which the vertical height of the heel lies between the two extremes indicated above.
It is also known that in the absence of heels or other artificial means of elevation the human foot discharges the body weight onto the ground in a percentage of approximately 53% through the posterior part, in the vicinity of the heel, and the remaining approximately 47% through the anterior part, in the vicinity of the area of plantar support.
In the manufacture of comfortable shoes provision is made for the use of insoles which can in some cases comprise one or more padded portions. Despite the presence of this padding it is nevertheless the case that comfort in wearing the shoes decreases rapidly as the vertical height of the heel increases. The technical problem to which this invention relates is that of improving the shoe wearer's perceived comfort irrespective of any change in the vertical height of its heel. This problem is overcome by the invention by means of a method for manufacturing high-comfort shoes and a shoe manufactured in accordance with the method which take advantage of the teaching provided in one or more of the appended claims.
The invention thus teaches preferred arrangements of the insole padding to improve the distribution of the body load at the insole/foot interface, correlating this distribution with the height of the shoe's heel.
It has in fact been observed that as the height of the heel is altered in models of the same or similar type there is an appreciable improvement in the user's perceived comfort if the concentration of padding is increased in the plantar portion and decreased in the heel portion as the vertical height of the heel increases.
The characteristics and advantages of the invention will be more particularly apparent from the detailed description of a preferred but non-exclusive embodiment illustrated by way of indication in a non-restrictive way with reference to the appended drawings in which :
- Figures 1 to 3 illustrate three diagrammatical views in lateral elevation of shoes of similar type having heels of different height,
- Figures 4 to 6 are three diagrammatical views in lateral elevation of three corresponding insoles for the shoes in the preceding figures,
- Figures 7 to 8 are three views in cross-section along the three planes which pass through the lines VII-VII, VIII-VIII and IX-IX respectively of the insoles for the shoes in the preceding figures.
In the figures la, b, c respectively indicate three shoes of similar type (in the example three women's shoes of the court type are illustrated) which macroscopically differ from each other in the vertical extent (height) of the corresponding heel 2a, b, c. These three shoes represent an example of a line of shoes according to the meaning which will be illustrated in greater detail below.
This invention can however also be applied to other types of shoes, for example sandals, clogs, slippers or boots.
In all three shoes there is a sole 3 with a plantar portion 4 and a heel portion 5 which are longitudinally opposite each other. Sole 3 includes a padded insole 7 which may be either of the fixed type (attached to the layers of sole 3) or removable, merely inserted into shoes la-c to partly or wholly cover the inner surface of sole 3.
In plantar portion 4 and in heel portion 5 insole 7 has a corresponding localised increase in padding which will be subsequently referred to as the plantar padding 8 and the heel padding 9.
Insole 7 may have both paddings 8, 9 (Figures 5 and 8) or only the heel padding 9 (Figures 4 or 7) or only the plantar padding 8 (Figures 6 and 9). The localised increases in padding are provided through corresponding cushions 8a, 9a whose thickness is locally added to plantar portion 4 or heel portion 5. These cushions are added to an insole 7 of otherwise substantially uniform thickness.
The method according to this invention is essentially based on the fact that a correlation has been found between the height of heels 2a, b, c and the corresponding plantar and heel padding to maximise the comfort of the shoe.
It has in particular been found that the insole for a low heel 2a, that is for a heel of not more than 30 mm in height, has a clear predominance of padding in heel portion 5, which can be quantified as 80-100% of the volume of the padding. In other words, in the case of a low heel 2a the insole will have a greater thickness in heel portion 5 deriving from cushion 9a which therefore results in more padding in that portion than is used in low-heeled shoes. It is obvious that other technical solutions to achieve a predominance of padding in heel portion 5, for example obtained by a particular conformation of the insole in that portion, may also be used in place of cushion 9a.
With reference to Figures 3, 6 and 9, the insole for a high heel 2c, that is for a heel of 60 mm or more in height, is instead provided with a clear predominance of padding (75-100% of the volume of padding) in plantar portion 4 and less padding (0-25% of the volume of padding) in heel portion 5.
With reference instead to Figures 2, 5 and 8, the insole for a medium heel 2b, of height between 30 and 60 mm, is provided with padding distributed in a substantially equal way between heel portion 5 and plantar portion 4, that is with 50% of the padding in plantar portion 4 and 50% of the padding in heel portion 5. More generally, in the case of a medium heel some variability in the percentage distribution of padding between plantar portion 4 and heel portion 5 in comparison with the preferred values mentioned above may be allowed, and this can be quantified as a range of between 40 and 60% in the percentage padding in plantar portion 4 and a corresponding percentage in heel portion 5.
It will therefore be seen that the method of manufacturing described here lends itself particularly well to the manufacture of a line of shoes, understood to be a series of shoes having substantially similar macroscopic characteristics, apart from the height of heel used.
It should be understood that in addition to the height of the heel and the consequent difference in padding deriving from application of the method according to this invention shoes included in the same line according to this invention may also differ in other features, in particular aesthetic features or features directly associated with a different height of heel. For example the sole, although having similar characteristics, may also be shaped differently between the different shoes to adjust to the various heights of heel, these modifications being in any event obvious to those skilled in the art.
In other words, a group of shoes which are manufactured from the same basic components, for example uppers and a sole, although differing in their accessory characteristics, will form a line of shoes in the meaning according to this invention. In particular shoes included in one and the same line may be manufactured using the same machinery, and may differ in those accessory characteristics described above.
A line of shoes manufactured according to the method according to this invention will therefore comprise at least two shoes having similar macroscopic characteristics but different types of heel (that is shoes which may be manufactured using the same machinery in high, medium and/low- heel versions) in which provision is made for an insole 7 in which the concentration of padding is increased in plantar portion 4 and decreased in heel portion 5 as the vertical height of heel 2a, 2b, 2c increases.
As a consequence, in the line of shoes according to this invention shoes having a low heel 2a, that is of a height not more than 30 mm, will have an insole padded with a predominance of approximately 80-100% of padding in heel portion 5, shoes with a high heel 2c, that is having a height of more than 60 mm, will have an insole padded with a predominance of approximately 75-100% of padding in plantar portion 4 and those with a medium heel 2b, that is of height between 30 and 60 mm, will have an insole provided with padding almost equally distributed between said heel portion 5 and said plantar portion 4.
The invention therefore achieves the results proposed providing an easy and effective method for increasing the comfort of shoes which are similar in type but which differ in height of heel in such a way that the comfort experienced is essentially the same for both shoes having a medium or low heel and shoes having a substantially higher heel.

Claims

1. A method for manufacturing high comfort shoes (1) in which for a given or similar type of shoe including a plantar portion (4) and a heel portion (5), the shoes being made in high, medium and low heel versions, an insole (7) is provided in which the amount of padding is increased in the plantar portion (4) and decreased in the heel portion (5) as the vertical height of the heel. (2a, 2b, 2c) increases.
2. A method according to claim 1, in which the insole (7) for a low heel (2a), with height equal to or lower than 30 mm, has a predominance of 80-100% of the volume of padding in the heel portion (5).
3. A method according to claim 1 or 2, in which the insole (7) for a high heel (2c), with height equal to or higher than 60 mm, has a predominance of 75-100% of the volume of padding in the plantar portion (4).
4. A method according to claims 1, 2 or 3, in which the insole for a medium heel (2b), with height comprised between 30 and 60 mm, has a predominance of 60-75% of the volume of padding in the plantar portion (4).
5. A line of shoes comprising a plurality of shoes having heels of variable height (2a, 2b, 2c) and comprising an insole (7), the shoes being manufactured from a series of common base components in such a way that they can be manufactured using the same machinery, this line being characterised by the fact that in the said insole (7) the concentration of padding is increased in a plantar portion (4) and decreased in a heel portion (5) as the vertical height of the heel (2a, 2b, 2c) increases.
6. A line of shoes according to claim 5, in which in the shoes having a low heel (2a), of height equal to or lower than 30 mm, the insole is provided with a predominance of 80-100% by volume of padding in the heel portion (5), in the shoes with a high heel (2c), of height equal to or higher than 60 mm, the insole (7) is provided with a predominance of 75-100% by volume of padding in the plantar portion (4) and in shoes of medium height (2b), of a height comprised between 30 and 60 mm, the insole (7) is provided with a predominance of 60-75% by volume of padding in the plantar portion (4).
PCT/IT2011/000022 2010-01-27 2011-01-27 Method for manufacturing high-comfort shoes and shoes manufactured using the method WO2011092728A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES11709206.4T ES2504976T3 (en) 2010-01-27 2011-01-27 Method for manufacturing high comfort shoes and shoes manufactured using the method
RU2012136455/12A RU2538922C2 (en) 2010-01-27 2011-01-27 Method for comfortable footwear manufacture and footwear manufactured by such method
EP11709206.4A EP2528464B1 (en) 2010-01-27 2011-01-27 Method for manufacturing high-comfort shoes and shoes manufactured using the method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPD2010A000015 2010-01-27
ITPD2010A000015A IT1398082B1 (en) 2010-01-27 2010-01-27 METHOD OF MANUFACTURE OF HIGH COMFORT FOOTWEAR AND SHOE MAKING ACCORDING TO THIS METHOD

Publications (1)

Publication Number Publication Date
WO2011092728A1 true WO2011092728A1 (en) 2011-08-04

Family

ID=42710514

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2011/000022 WO2011092728A1 (en) 2010-01-27 2011-01-27 Method for manufacturing high-comfort shoes and shoes manufactured using the method

Country Status (5)

Country Link
EP (1) EP2528464B1 (en)
ES (1) ES2504976T3 (en)
IT (1) IT1398082B1 (en)
RU (1) RU2538922C2 (en)
WO (1) WO2011092728A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3785559A1 (en) * 2019-08-30 2021-03-03 Shire Hill Partners, LLC Shoe, sole, and insole with foam extending through insole board

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252936A (en) * 1938-03-05 1941-08-19 Charles P Leydecker Method of balancing a foot within a shoe
US5226247A (en) * 1988-07-25 1993-07-13 Frank Ambrose Adjustable foot supported lifts
US20040211086A1 (en) * 2003-04-23 2004-10-28 Hbn Shoe, Llc Device for high-heeled shoes
WO2009041993A1 (en) * 2007-09-28 2009-04-02 Angela Singleton Insole support system for footwear

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK174667B1 (en) * 2000-08-09 2003-08-18 Ecco Sko As shoe midsole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252936A (en) * 1938-03-05 1941-08-19 Charles P Leydecker Method of balancing a foot within a shoe
US5226247A (en) * 1988-07-25 1993-07-13 Frank Ambrose Adjustable foot supported lifts
US20040211086A1 (en) * 2003-04-23 2004-10-28 Hbn Shoe, Llc Device for high-heeled shoes
US20080110062A1 (en) * 2003-04-23 2008-05-15 Dananberg Howard J Device for high-heeled shoes and method of constructing a high-heeled shoe
WO2009041993A1 (en) * 2007-09-28 2009-04-02 Angela Singleton Insole support system for footwear

Also Published As

Publication number Publication date
ES2504976T3 (en) 2014-10-09
RU2012136455A (en) 2014-03-10
EP2528464B1 (en) 2014-06-18
EP2528464A1 (en) 2012-12-05
ITPD20100015A1 (en) 2011-07-28
IT1398082B1 (en) 2013-02-07
RU2538922C2 (en) 2015-01-10

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