WO2015138775A1 - Improved insole for mid-to high-heel shoes - Google Patents
Improved insole for mid-to high-heel shoes Download PDFInfo
- Publication number
- WO2015138775A1 WO2015138775A1 PCT/US2015/020252 US2015020252W WO2015138775A1 WO 2015138775 A1 WO2015138775 A1 WO 2015138775A1 US 2015020252 W US2015020252 W US 2015020252W WO 2015138775 A1 WO2015138775 A1 WO 2015138775A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insole
- front portion
- molded
- cushioning material
- rear heel
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- 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
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
-
- 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
- A43B13/383—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process pieced
-
- 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
- A43B13/386—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process multilayered
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
-
- 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
- A43B7/1405—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
- A43B7/1475—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 type of support
- A43B7/148—Recesses or holes filled with supports or pads
Definitions
- the present invention relates to a shoe insole.
- the insole of the present invention is molded and provides improved support and comfort to a user, especially for mid- to high-heel shoes.
- Shoes are worn to not only protect the feet, but for decorative purposes. Comfort is and has always been an important feature for shoes. Support for the feet is also an important feature. Shoes that are very comfortable may not provide enough support to the feet. Similarly, shoes that are very supportive of the feet may not provide enough comfort. It is a fine balance between comfort and support, especially for mid- to high-heel shoes.
- Prior art insole is typically planar with uniform thickness.
- Prior art insoles that provide a uniform thickness of a soft material such as memory foam may provide comfort, but not enough support.
- Prior art shoes also rely on other parts of the shoes to provide additional support or comfort; e.g. softer or stiffer outsole, thinner or thicker insole or outsole. None of the prior art that the inventor is aware of provides a molded construction of the insole for added support and comfort to a user, especially in mid- to high-heel shoes. Therefore, there is a need for an improved insole that is molded and provides additional comfort and support to a user.
- the present invention provides a molded insole that improves comfort and support to a user, especially for mid- to high-heel shoes.
- the insole of the present invention is molded and includes a front portion, a middle shank portion and a rear heel portion.
- the front portion is flexible, molded with grooves to allow additional flexibility and molded with a cavity to receive a cushioning material to provide additional comfort.
- the middle shank and rear heel portions are stiffer to provide additional support.
- the middle shank and rear heel portions have a molded concave structure to accommodate and comfortably receive a user's foot.
- Figure 1 shows the side view of the insole of the present invention.
- Figure 2 shows a perspective view of the insole of the present invention.
- Figure 3 shows a bottom view of the front portion of the insole of the present invention.
- Figure 4 shows a perspective view of the heel portion of the insole of the present invention.
- Figure 5 shows a side and partially cross-sectional view of a high-heel shoe without the upper that incorporates the insole of the present invention.
- FIG. 1 through 4 the molded insole 10.
- the insole 10 has a front portion 20, a middle shank portion 30 and a rear heel portion 40, with an upper surface 50, and a lower surface 60.
- the front portion 20 is made of a flexible material, such as flexible felt or soft laminated felt. As shown in Figure 3, on the lower surface 60 of the front portion 20, in a central location, is a shallow molded cavity 22 with a plurality of molded groves 24 that extend from the shallow cavity 22 to the left and right sides of the insole 10 to aid in flexibility.
- the shallow cavity 22 and grooves 24 are filled with a cushioning material such as cork or memory foam or gel or other materials known to one skilled in the art to provide additional comfort.
- the shallow cavity 22 is advantageously positioned where the balls of a user's foot would rest / strike.
- the middle shank portion 30 and the rear heel portion 40 are made of a stiffer material, such as a hard laminated felt that allows minimal flexibility.
- the shank portion 30 and the heel portion 40 have a concave structure throughout to provide support to the user.
- a molded indentation 42 At the heel portion 40 that connects to a heel 46 (see Figure 5), there is a molded indentation 42.
- the indentation 42 is filled with a cushioning material such as cork or memory foam or gel or other materials known to one skilled in the art to provide additional comfort.
- the indentation 42 is advantageously positioned where a user's heel bone would rest / strike.
- One or more openings 43 within the indentation 42 are provided to receive a plurality of fastening elements (not shown) for attaching the insole 20 to the heel 46 (see Figure 5).
- Figures 5 and 6 show a high-heel shoe 12 incorporating the insole 10 of the present invention.
- the shoe 12 includes the following layers: outsole 11, insole 10, footbed 70, and upper 75.
- Outsole 11 is the layer that is in contact with the elements on the ground and is typically made of leather or rubber to provide support to the user.
- leather outsole 11 it may include a rubber insert 13 to further improve comfort to a user and to improve traction of the shoe 12.
- Footbed 70 is then placed over the insole 10.
- Footbed 70 is preferably molded with the following layers from the bottom going up: a polyurethane (PU) layer 76, a memory foam layer 74 and a lining 72.
- the polyurethane layer 76 is molded to conform to the concave structure of the insole 10 and to provide the arch support at the shank portion 30 to a user.
- the lining 72 covers the memory foam layer 74 and is the layer in contact with the user's foot.
- a shoe 12 incorporating the insole 10 of the present invention provides support at the shank portion 30 and heel portion 40, while providing comfort at the front portion 20 and where the user's heel bone rests.
- the insole 10 of the present invention is advantageously molded to provide the structure described above. While the insole 10 of the present invention is shown incorporated into a high-heel shoe, it is anticipated and foreseeable that the insole 10 of the present invention can be used advantageously with a mid-heel shoe or other types of shoes.
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
An improved insole that is molded and provides additional support and comfort to a user. The insole includes a front portion, a middle shank portion and a rear heel portion. The front portion is flexible, molded with grooves to increase flexibility and molded with a shallow cavity to receive a cushioning material to increase comfort. The middle shank and rear heel portions are stiffer than the front portion to provided improved support. The middle shank and rear heel portions are molded with a concave structure to accommodate and comfortably receive a user's foot.
Description
IMPROVED INSOLE FOR MID- TO HIGH -HEEL SHOES
[0001] This application claims the benefit of provisional patent application serial no. 61/951,737, filed on March 12, 2014, which is hereby incorporated by reference.
FIELD OF THE INVENTION
[0002] The present invention relates to a shoe insole. In particular, the insole of the present invention is molded and provides improved support and comfort to a user, especially for mid- to high-heel shoes.
BACKGROUND OF THE INVENTION
[0003] Shoes are worn to not only protect the feet, but for decorative purposes. Comfort is and has always been an important feature for shoes. Support for the feet is also an important feature. Shoes that are very comfortable may not provide enough support to the feet. Similarly, shoes that are very supportive of the feet may not provide enough comfort. It is a fine balance between comfort and support, especially for mid- to high-heel shoes.
[0004] Prior art insole is typically planar with uniform thickness. Prior art insoles that provide a uniform thickness of a soft material such as memory foam may provide comfort, but not enough support. Prior art shoes also rely on other parts of the shoes to provide additional support or comfort; e.g. softer or stiffer outsole, thinner or thicker insole or outsole. None of the prior art that the inventor is aware of provides a molded construction of the insole for added support and
comfort to a user, especially in mid- to high-heel shoes. Therefore, there is a need for an improved insole that is molded and provides additional comfort and support to a user.
SUMMARY OF THE INVENTION
[0005] The present invention provides a molded insole that improves comfort and support to a user, especially for mid- to high-heel shoes.
[0006] The molded insole of the present invention provides stiffer support where it is needed and comfort and flexibility where it is needed.
[0007] The insole of the present invention is molded and includes a front portion, a middle shank portion and a rear heel portion. The front portion is flexible, molded with grooves to allow additional flexibility and molded with a cavity to receive a cushioning material to provide additional comfort. The middle shank and rear heel portions are stiffer to provide additional support. The middle shank and rear heel portions have a molded concave structure to accommodate and comfortably receive a user's foot.
BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Preferred embodiments of the present invention have been chosen for purposes of illustration and description and are shown in the accompanying drawings forming a part of the specification wherein:
[0009] Figure 1 shows the side view of the insole of the present invention.
[0010] Figure 2 shows a perspective view of the insole of the present invention.
[0011] Figure 3 shows a bottom view of the front portion of the insole of the present invention.
[0012] Figure 4 shows a perspective view of the heel portion of the insole of the present invention.
[0013] Figure 5 shows a side and partially cross-sectional view of a high-heel shoe without the upper that incorporates the insole of the present invention.
[0014] Figures 6A, 6B, and 6C are cross-sectional views taken along lines 6A-6A, 6B-6B, and 6C- 6C, respectively, in Figure 5.
DESCRIPTION
[0015] With reference to the drawings, there is shown in Figures 1 through 4 the molded insole 10. The insole 10 has a front portion 20, a middle shank portion 30 and a rear heel portion 40, with an upper surface 50, and a lower surface 60.
[0016] The front portion 20 is made of a flexible material, such as flexible felt or soft laminated felt. As shown in Figure 3, on the lower surface 60 of the front portion 20, in a central location, is a shallow molded cavity 22 with a plurality of molded groves 24 that extend from the shallow cavity 22 to the left and right sides of the insole 10 to aid in flexibility. The shallow cavity 22 and grooves 24 are filled with a cushioning material such as cork or memory foam or gel or other materials known to one skilled in the art to provide additional comfort. The shallow cavity 22 is advantageously positioned where the balls of a user's foot would rest / strike.
[0017] The middle shank portion 30 and the rear heel portion 40 are made of a stiffer material, such as a hard laminated felt that allows minimal flexibility. The shank portion 30 and the heel portion 40 have a concave structure throughout to provide support to the user. At the heel portion 40 that connects to a heel 46 (see Figure 5), there is a molded indentation 42. The indentation 42 is filled with a cushioning material such as cork or memory foam or gel or other materials known to one skilled in the art to provide additional comfort. The indentation 42 is advantageously positioned where a user's heel bone would rest / strike. One or more openings
43 within the indentation 42 are provided to receive a plurality of fastening elements (not shown) for attaching the insole 20 to the heel 46 (see Figure 5).
[0018] Figures 5 and 6 show a high-heel shoe 12 incorporating the insole 10 of the present invention. From the bottom going up, the shoe 12 includes the following layers: outsole 11, insole 10, footbed 70, and upper 75. Outsole 11 is the layer that is in contact with the elements on the ground and is typically made of leather or rubber to provide support to the user. For a leather outsole 11, it may include a rubber insert 13 to further improve comfort to a user and to improve traction of the shoe 12.
[0019] The insole 10 is placed over the outsole 11 with the heel portion 40 affixed to a heel 46. A footbed 70 is then placed over the insole 10. Footbed 70 is preferably molded with the following layers from the bottom going up: a polyurethane (PU) layer 76, a memory foam layer 74 and a lining 72. The polyurethane layer 76 is molded to conform to the concave structure of the insole 10 and to provide the arch support at the shank portion 30 to a user. The lining 72 covers the memory foam layer 74 and is the layer in contact with the user's foot. The lining 72 is preferably made of a natural material such as leather or sheepskin lining to provide a supple and soft feel to the user to further improve the comfort to the user. The polyurethane layer 76 and memory foam layer 74 extend only from the shank portion 30 to the heel portion 40 of the insole 10.
[0020] As can be understood from the above, a shoe 12 incorporating the insole 10 of the present invention provides support at the shank portion 30 and heel portion 40, while providing comfort at the front portion 20 and where the user's heel bone rests. The insole 10 of the present invention is advantageously molded to provide the structure described above. While the insole 10 of the present invention is shown incorporated into a high-heel shoe, it is anticipated and foreseeable
that the insole 10 of the present invention can be used advantageously with a mid-heel shoe or other types of shoes.
[0021] The features of the invention illustrated and described herein is the preferred embodiment. Therefore, it is understood that the specification is intended to cover unforeseeable embodiments with insubstantial differences that are within the spirit of the specification.
Claims
1. An insole having an upper surface and an opposite lower surface, comprising:
a. a front portion made of a flexible material having an outer edge;
b. a middle shank portion made of a material stiff er than said front portion;
c. a rear heel portion made of a material stiffer than said front portion;
d. a shallow cavity on the lower surface of said front portion;
e. a plurality of grooves that extend from said shallow cavity to said outer edge of said front portion; and
f. an indentation on the upper surface of said rear heel portion.
2. The insole of Claim 1 further comprising a cushioning material filling said shallow cavity.
3. The insole of Claim 1 further comprising a cushioning material filling said grooves.
4. The insole of Claim 1 further comprising a cushioning material filling said indentation.
5. The insole of Claim 1 wherein said front portion is made of a flexible felt.
6. The insole of Claim 1 wherein said front portion is made of a soft laminated felt.
7. The insole of Claim 1 wherein said middle shank and rear heel portions are made of a hard laminated felt.
8. The insole of Claim 1 wherein said shallow cavity is in a central location of said front portion.
9. The insole of Claim 2 wherein said cushioning material is selected from the group consisting of cork, memory foam and memory gel.
10. The insole of Claim 3 wherein said cushioning material is selected from the group consisting of cork, memory foam and memory gel.
11. The insole of Claim 4 wherein said cushioning material is selected from the group consisting of cork, memory foam and memory gel.
12. The insole of Claim 1 is molded.
13. The insole of Claim 1 wherein said middle shank portion and said rear heel portion have concave surfaces.
14. The insole of Claim 1 further comprising at least one opening in said indentation.
15. A shoe comprising:
a. an outsole;
b. a molded insole on top of said outsole having an upper surface and an opposite lower surface, comprises:
i. a front portion made of a flexible material having an outer edge;
ii. a middle shank portion made of a material stiffer than said front portion; iii. a rear heel portion made of a material stiffer than said front portion;
iv. a shallow cavity on the lower surface of said front portion; v. a plurality of grooves that extend from said shallow cavity to said outer edge of said front portion; and
vi. an indentation on the upper surface of said rear heel portion. c. a molded footbed on top of said molded insole; and
d. a lining on top of said molded footbed.
16. The shoe of Claim 15 wherein said molded insole further comprises a cushioning material filling said shallow cavity and said grooves.
17. The shoe of Claim 15 wherein said molded insole further comprises a cushioning material filling said indentation.
18. The shoe of Claim 15 wherein said outsole having a surface opposite of said front portion of said molded insole, said outsole further comprises a rubber insert on said surface.
19. The shoe of Claim 15 wherein said molded footbed further comprises a polyurethane layer, a memory foam layer on top of said polyurethane layer and a lining on top of said memory foam layer.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461951737P | 2014-03-12 | 2014-03-12 | |
| US61/951,737 | 2014-03-12 | ||
| US14/656,243 | 2015-03-12 | ||
| US14/656,243 US20150257485A1 (en) | 2014-03-12 | 2015-03-12 | Insole for Mid- to High-Heel Shoes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015138775A1 true WO2015138775A1 (en) | 2015-09-17 |
Family
ID=54067517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2015/020252 Ceased WO2015138775A1 (en) | 2014-03-12 | 2015-03-12 | Improved insole for mid-to high-heel shoes |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20150257485A1 (en) |
| WO (1) | WO2015138775A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10271612B2 (en) * | 2016-06-21 | 2019-04-30 | YZ Studio, Inc. | High heel shoe |
| US11311075B2 (en) * | 2017-12-15 | 2022-04-26 | Chez Nous Brands, Inc. | Comfortable dress shoes |
| US10653204B2 (en) * | 2018-05-29 | 2020-05-19 | Matmarket, LLC | High performance footbed and method of manufacturing same |
| BR102019002995B1 (en) * | 2019-02-13 | 2024-01-30 | Marcelo Sperb | MOUNTING INSOLE FOR SHOES |
| JP7411931B2 (en) * | 2020-04-07 | 2024-01-12 | 株式会社ラシーヌ | insole |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876805A (en) * | 1988-04-29 | 1989-10-31 | Polymer Dynamics Technology, Inc. | Shock absorbing device for high heel footwear |
| US20090119947A1 (en) * | 2005-02-28 | 2009-05-14 | Kevan Orvitz | Orthopedic Foot Appliance |
| US20090193683A1 (en) * | 2008-02-04 | 2009-08-06 | Sashanaz Hashempour Igdari | Anatomically Correct Flexible Contoured Footbed Insole |
| US20120227291A1 (en) * | 2011-03-07 | 2012-09-13 | Ori Rosenbaum | High-heeled foot apparel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2104133A (en) * | 1935-06-11 | 1938-01-04 | Frank S Mees | Insole |
| BR8305086A (en) * | 1983-09-19 | 1984-03-20 | Antonio Signori | DAMPING DEVICE APPLICABLE TO FOOTWEAR IN GENERAL |
| US6408543B1 (en) * | 2000-05-18 | 2002-06-25 | Acushnet Company | Footbed system with variable sized heel cups |
| US20060053660A1 (en) * | 2004-09-14 | 2006-03-16 | Lewton Kelli L | Composite shoe pad |
| KR101317279B1 (en) * | 2011-10-18 | 2013-10-10 | 한국도로공사 | Earthflow protection structure |
| KR101314656B1 (en) * | 2013-04-17 | 2013-10-07 | 풋헬스 주식회사 | Insole |
| US8826567B1 (en) * | 2014-01-16 | 2014-09-09 | Ukies LLC | Footwear with insole system |
-
2015
- 2015-03-12 WO PCT/US2015/020252 patent/WO2015138775A1/en not_active Ceased
- 2015-03-12 US US14/656,243 patent/US20150257485A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876805A (en) * | 1988-04-29 | 1989-10-31 | Polymer Dynamics Technology, Inc. | Shock absorbing device for high heel footwear |
| US20090119947A1 (en) * | 2005-02-28 | 2009-05-14 | Kevan Orvitz | Orthopedic Foot Appliance |
| US20090193683A1 (en) * | 2008-02-04 | 2009-08-06 | Sashanaz Hashempour Igdari | Anatomically Correct Flexible Contoured Footbed Insole |
| US20120227291A1 (en) * | 2011-03-07 | 2012-09-13 | Ori Rosenbaum | High-heeled foot apparel |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150257485A1 (en) | 2015-09-17 |
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