WO2006021934A1 - Disposable sweat and odour absorbing insoles or inserts for shoes - Google Patents

Disposable sweat and odour absorbing insoles or inserts for shoes Download PDF

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Publication number
WO2006021934A1
WO2006021934A1 PCT/IB2005/052788 IB2005052788W WO2006021934A1 WO 2006021934 A1 WO2006021934 A1 WO 2006021934A1 IB 2005052788 W IB2005052788 W IB 2005052788W WO 2006021934 A1 WO2006021934 A1 WO 2006021934A1
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WO
WIPO (PCT)
Prior art keywords
sheet
odour
insole
disposable
agm
Prior art date
Application number
PCT/IB2005/052788
Other languages
French (fr)
Inventor
Solveig Kesby
Tina Larsen
Original Assignee
Solveig Kesby
Tina Larsen
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 Solveig Kesby, Tina Larsen filed Critical Solveig Kesby
Publication of WO2006021934A1 publication Critical patent/WO2006021934A1/en

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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
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • A43B17/102—Moisture absorbing socks; Moisture dissipating socks
    • A43B17/105—Disposable
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0045—Footwear characterised by the material made at least partially of deodorant means

Definitions

  • the present invention relates to disposable sweat and odour absorbing insoles or inserts for shoes.
  • the publication US 5,935,671 describes a sweat-absorbing, disposable hygienic insert having a permeable inner film in contact with the foot, an outer film, and an absorbent layer intermediate the inner and outer films.
  • the inner film is provided with a plurality of openings produced without removal of material.
  • the absorbent layer has a flexible hygienic pad including absorbent material, hygienic additives and treatment additives.
  • the outer and inner films are attached to one another at their edges, and are attached by at least one bond which passes through the hygienic pad, the bond located inside a boundary defined by the attached edges of the outer and inner films.
  • US 4, 186,499 describes a construction for absorbing odours caused by perspiration wherein such construction comprises a fabric having at least one member comprising an exposed surface thereof with the member comprising an odour- absorbing material and with the member being freely accessible on the exposed surface to the perspiration thereby assuring unimpeded action by the odour- absorbing material thereof.
  • Soles of shoes having areas or portions with varying density have been described in publications such as EP 0 268 661 B1 , US 5,575,089, US 5,572,805 and US 5,025,573. Reference is made to all of the above-mentioned US publications and all of the US publications are hereby incorporated by reference in the present specification by reference. The publications relating to shoe soles having varying density does may not be used as an insole.
  • a disposable insole for absorbing odours caused by foot perspiration that comprises: an enclosure defined by a first sheet and a second sheet, a body made from a pulp material positioned in the enclosure, at least one odour absorbing region made from an odour absorbing material positioned in the enclosure, the first sheet and/or the body is adapted for being in facial contact with a human foot and the second sheet being adapted for being in facial contact with the sole of a shoe.
  • the enclosure may alternatively be defined by a single sheet, e.g. by wrapping the body made from a pulp material and sealing, closing or joining two sides of one sheet so as to form an enclosure or pocket.
  • the body is preferably made from a paper pulp material. Material such as that used when producing sanitary towels or even diapers may be used.
  • the pulp material may be somewhat odour absorbing, however, the odour absorbing regions preferably are better able to absorb odour and moist from feet, i.e. preferably have increased absorbency of odour or moist from feet than the pulp material used in the remaining parts of the insole.
  • the odour absorbing region or area is positioned inside, between the two sheets, so that the odour-absorbing region is not exposed on the surface of the insole.
  • One surface of the insole is preferably adapted for being in facial contact with the base part of a human foot, i.e. defining a substantially flat surface or one or more protruding areas, such as at the arch, pad or at the toes.
  • indentations or recesses may be formed in the surface of the insole, e.g substantially corresponding to the heel or other parts of a human foot. Further alternatively combinations of indentations, recesses and protruding areas.
  • a first feature relates to the at least one odour-absorbing region being defined at a position substantially corresponding to the arch and/or the pad and/or to one or more toes of a human foot.
  • a second feature of the present invention relates to the first sheet and/or the second sheet being made from a pulp material
  • the first and/or the second sheet is made from the same kind of pulp material
  • the first and/or the second sheet may be made from the same kind of pulp material as the body.
  • the material used for the sheets may be a breathable material for ensuring that the sweat from a foot may be transported away from the foot, or the layer being in contact with the foot, and into the odour-absorbing region, area or volume.
  • the odour-absorbing region preferably also acts as a moisture- and/or sweat-absorbing region.
  • the body may also exhibit moisture- and/or sweat- and/or odour-absorbing properties
  • the insole may define a circumferential rim by adjoining the first sheet and the second sheet.
  • the circumferential rim may extend in a plane substantially parallel with the top surface of the insole.
  • the rim may extend less than the outline of the insole or include cut-out areas, i.e. holes or the like.
  • the rim preferably defines a small width compared with the size of the body.
  • the first sheet and/or the second sheet and/or the body may define an outline substantially corresponding to the outline of a foot or the inside of a shoe, so that the insole may be positioned inside a shoe and the wearer of the shoe does not feel any discomfort when using the insole.
  • the user of the insole may cut the insole e.g. with a pair of scissors so as to adapt the insole for a particular pair of shoes or shoes of a specific size.
  • the layers preferably does not separate from the body, however, the insoles may be produced in various sizes, each matching a specific range of shoe sizes.
  • the insole may be provided with adhesive means for ensuring that the insole is kept in place after being positioned in a shoe
  • the adhesive means may be constituted by double-sided tape, glue, paste, sticky mass, preferably an adhesive that may enable a person to remove the insole after use.
  • the at least one odour absorbing region may be made from a pulp material, a carbonaceous material, a non-woven material, a homogeneous or non-homogeneous fibre material, a combination of silica, AGM and zeolites; or zeolites, activated carbon and AGM; or silica and AGM; or zeolite and AGM; or silica and zeolites; or delating agents or delating agents, AGM and zeolite or delating agents, AGM 1 zeolite and activated carbon, or any combinations thereof.
  • a second advantage relates to the odour-absorbing region comprising an antiperspirant or an anti-microbic agent.
  • the antiperspirant or an anti-microbic agent is contemplated to substantially eliminate the bacteria or micro-organisms that causes odour in foot sweat and/or hinder or reduce the amount of foot sweat produced.
  • the odour-absorbing region may comprise at least one odour control agent selected from zeolites, absorbent gelling materials, activated carbons, silicas and mixtures thereof.
  • the presence of antiperspirant or an anti-microbic agent is contemplated to prolong the use of the insole, without hindering the insole to be disposed after use.
  • the insole according to the present invention preferably defines a thickness less than 1 cm, so that a user does not feel discomfort when wearing shoes with the insole inserted.
  • Fig. 1 is a schematic view of an embodiment of an insole according to the invention.
  • Fig. 1 is a schematic view of an insole designated by the reference numeral 10 in its entirety.
  • the insole 10 comprises a body encased or enclosed by two layers, where only a top layer 12 is visible in Fig. 1.
  • the two layers are adjoined along a rim 20.
  • odour-absorbing areas 14,16 and 18 Three odour-absorbing areas 14,16 and 18 are illustrated, although the areas are not exposed on the surface of the insole 10.
  • the odour absorbing regions or area 14,16 and 18 are preferably made from the same material as the body of the insole.
  • the odour-absorbing area 14 is positioned in a location substantially corresponding to the arch of a human foot.
  • the odour-absorbing area 16 is positioned in a location substantially corresponding to the pad of a human foot.
  • the odour-absorbing area 18 is positioned in a location substantially corresponding to the toes of a human foot.
  • the insole 10 is preferably disposable and may also be biodegradable. Alternatively, the insole 10 may be incinerated when disposed of. Preferably, the insole 10 is disposed of along with the garbage or trash.
  • the odour-absorbing areas may include an antiperspirant, an anti-microbic agent or an odour control agent.
  • the odour- and/or sweat-absorbing areas or parts have been illustrated as covering the insole 10 from one side to another, the areas may extend less than the entire insole 10, e.g. smaller pads or limited areas may be included in the insole 10 or one or more odour- and/or sweat-absorbing areas may extend from one side or edge of the insole 10 towards an opposite side or edge. Furthermore, one or more of these areas may extend over less than the entire thickness of the body of the insole, thus for instance being in contact with the top layer 12 but not with the opposing bottom layer. Thus, the odour-absorbing and/or sweat-absorbing areas may generally form more complicated patterns distributed throughout the body of the insole.

Abstract

A disposable insole (10) for absorbing odours caused by foot perspiration, comprises an enclosure defined by a first sheet (12) and a second sheet, and a body made from a pulp material positioned in the enclosure. The insole comprises at least one odour absorbing region (14, 16, 18) made from an odour absorbing material positioned in the enclosure. The first sheet (12) and/or the body is adapted for being in facial contact with a human foot and the second sheet being adapted for being in facial contact with the sole of a shoe.

Description

DISPOSABLE SWEAT AND ODOUR ABSORBING INSOLES OR INSERTS FOR SHOES
TECHNICAL FIELD
The present invention relates to disposable sweat and odour absorbing insoles or inserts for shoes.
BACKGROUND OF THE INVENTION
Insoles or inserts have been described in publications such as US 5,935,671 , WO 97/32498, US 4,186,499, US 5,392,533, WO 2004/012549, EP 0 839 462, US 6,203,810, Patent abstracts of Japan 09329404 and Patent abstracts of Japan 01160804. Reference is made to all of the above-mentioned US publications and all of the US publications are hereby incorporated by reference in the present specification by reference.
The publication US 5,935,671 describes a sweat-absorbing, disposable hygienic insert having a permeable inner film in contact with the foot, an outer film, and an absorbent layer intermediate the inner and outer films. The inner film is provided with a plurality of openings produced without removal of material. The absorbent layer has a flexible hygienic pad including absorbent material, hygienic additives and treatment additives. The outer and inner films are attached to one another at their edges, and are attached by at least one bond which passes through the hygienic pad, the bond located inside a boundary defined by the attached edges of the outer and inner films.
US 4, 186,499 describes a construction for absorbing odours caused by perspiration wherein such construction comprises a fabric having at least one member comprising an exposed surface thereof with the member comprising an odour- absorbing material and with the member being freely accessible on the exposed surface to the perspiration thereby assuring unimpeded action by the odour- absorbing material thereof. Soles of shoes having areas or portions with varying density have been described in publications such as EP 0 268 661 B1 , US 5,575,089, US 5,572,805 and US 5,025,573. Reference is made to all of the above-mentioned US publications and all of the US publications are hereby incorporated by reference in the present specification by reference. The publications relating to shoe soles having varying density does may not be used as an insole.
SUMMARY OF THE INVENTION
The teachings of the present invention provides a disposable insole for absorbing odours caused by foot perspiration, that comprises: an enclosure defined by a first sheet and a second sheet, a body made from a pulp material positioned in the enclosure, at least one odour absorbing region made from an odour absorbing material positioned in the enclosure, the first sheet and/or the body is adapted for being in facial contact with a human foot and the second sheet being adapted for being in facial contact with the sole of a shoe.
The enclosure may alternatively be defined by a single sheet, e.g. by wrapping the body made from a pulp material and sealing, closing or joining two sides of one sheet so as to form an enclosure or pocket.
The body is preferably made from a paper pulp material. Material such as that used when producing sanitary towels or even diapers may be used. The pulp material may be somewhat odour absorbing, however, the odour absorbing regions preferably are better able to absorb odour and moist from feet, i.e. preferably have increased absorbency of odour or moist from feet than the pulp material used in the remaining parts of the insole.
The odour absorbing region or area is positioned inside, between the two sheets, so that the odour-absorbing region is not exposed on the surface of the insole. One surface of the insole is preferably adapted for being in facial contact with the base part of a human foot, i.e. defining a substantially flat surface or one or more protruding areas, such as at the arch, pad or at the toes. Alternatively, indentations or recesses may be formed in the surface of the insole, e.g substantially corresponding to the heel or other parts of a human foot. Further alternatively combinations of indentations, recesses and protruding areas.
According to the teachings of the present invention, a first feature relates to the at least one odour-absorbing region being defined at a position substantially corresponding to the arch and/or the pad and/or to one or more toes of a human foot.
Positioning odour-absorbing regions near or at the areas of a foot where the foot is contemplated to provide an improved comfort by providing a better absorption of unwanted odours and/or sweat produced by feet. Also, limiting the odour absorbing regions is contemplated to decrease the cost of producing the insole.
A second feature of the present invention relates to the first sheet and/or the second sheet being made from a pulp material Preferably, the first and/or the second sheet is made from the same kind of pulp material, also, the first and/or the second sheet may be made from the same kind of pulp material as the body. The material used for the sheets may be a breathable material for ensuring that the sweat from a foot may be transported away from the foot, or the layer being in contact with the foot, and into the odour-absorbing region, area or volume. The odour-absorbing region preferably also acts as a moisture- and/or sweat-absorbing region. The body may also exhibit moisture- and/or sweat- and/or odour-absorbing properties
The insole may define a circumferential rim by adjoining the first sheet and the second sheet. The circumferential rim may extend in a plane substantially parallel with the top surface of the insole. The rim may extend less than the outline of the insole or include cut-out areas, i.e. holes or the like. The rim preferably defines a small width compared with the size of the body.
In a particularly advantageous embodiment of the present invention, the first sheet and/or the second sheet and/or the body may define an outline substantially corresponding to the outline of a foot or the inside of a shoe, so that the insole may be positioned inside a shoe and the wearer of the shoe does not feel any discomfort when using the insole.
The user of the insole may cut the insole e.g. with a pair of scissors so as to adapt the insole for a particular pair of shoes or shoes of a specific size. When a person cuts the insole, the layers preferably does not separate from the body, however, the insoles may be produced in various sizes, each matching a specific range of shoe sizes.
The insole may be provided with adhesive means for ensuring that the insole is kept in place after being positioned in a shoe The adhesive means may be constituted by double-sided tape, glue, paste, sticky mass, preferably an adhesive that may enable a person to remove the insole after use.
An first advantage of the present invention is that the at least one odour absorbing region may be made from a pulp material, a carbonaceous material, a non-woven material, a homogeneous or non-homogeneous fibre material, a combination of silica, AGM and zeolites; or zeolites, activated carbon and AGM; or silica and AGM; or zeolite and AGM; or silica and zeolites; or delating agents or delating agents, AGM and zeolite or delating agents, AGM1 zeolite and activated carbon, or any combinations thereof.
A second advantage relates to the odour-absorbing region comprising an antiperspirant or an anti-microbic agent. The antiperspirant or an anti-microbic agent is contemplated to substantially eliminate the bacteria or micro-organisms that causes odour in foot sweat and/or hinder or reduce the amount of foot sweat produced. Also, the odour-absorbing region may comprise at least one odour control agent selected from zeolites, absorbent gelling materials, activated carbons, silicas and mixtures thereof.
The presence of antiperspirant or an anti-microbic agent is contemplated to prolong the use of the insole, without hindering the insole to be disposed after use. The insole according to the present invention preferably defines a thickness less than 1 cm, so that a user does not feel discomfort when wearing shoes with the insole inserted.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will be better understood with reference to the following detailed description of an embodiment hereof and reference to the drawing, in which:
Fig. 1 is a schematic view of an embodiment of an insole according to the invention.
DETAILED DESCRIPTION OF THE INVENTION
Fig. 1 is a schematic view of an insole designated by the reference numeral 10 in its entirety. The insole 10 comprises a body encased or enclosed by two layers, where only a top layer 12 is visible in Fig. 1. The two layers are adjoined along a rim 20.
Three odour-absorbing areas 14,16 and 18 are illustrated, although the areas are not exposed on the surface of the insole 10. The odour absorbing regions or area 14,16 and 18 are preferably made from the same material as the body of the insole.
The odour-absorbing area 14 is positioned in a location substantially corresponding to the arch of a human foot. The odour-absorbing area 16 is positioned in a location substantially corresponding to the pad of a human foot. The odour-absorbing area 18 is positioned in a location substantially corresponding to the toes of a human foot.
The insole 10 is preferably disposable and may also be biodegradable. Alternatively, the insole 10 may be incinerated when disposed of. Preferably, the insole 10 is disposed of along with the garbage or trash. The odour-absorbing areas may include an antiperspirant, an anti-microbic agent or an odour control agent.
Although the odour- and/or sweat-absorbing areas or parts have been illustrated as covering the insole 10 from one side to another, the areas may extend less than the entire insole 10, e.g. smaller pads or limited areas may be included in the insole 10 or one or more odour- and/or sweat-absorbing areas may extend from one side or edge of the insole 10 towards an opposite side or edge. Furthermore, one or more of these areas may extend over less than the entire thickness of the body of the insole, thus for instance being in contact with the top layer 12 but not with the opposing bottom layer. Thus, the odour-absorbing and/or sweat-absorbing areas may generally form more complicated patterns distributed throughout the body of the insole.

Claims

1. A disposable insole for absorbing odours caused by foot perspiration, comprising: an enclosure defined either by a first sheet and a second sheet or by a single sheet, a body made from a pulp material positioned in said enclosure, at least one odour absorbing region made from an odour absorbing material positioned in said enclosure, said first sheet and/or said body is adapted for being in facial contact with a human foot and said second sheet being adapted for being in facial contact with the sole of a shoe.
2. The disposable insole according to claim 1, wherein said at least one odour absorbing region has/have increased absorbency of odour or moist from feet compared to the pulp material used in the remaining parts of the insole.
3 The disposable insole according to claim 1 or 2, wherein said at least one odour absorbing region is defined at a position substantially corresponding to the arch and/or the pad and/or to one or more toes of a human foot.
4. The disposable insole according to any of the claims 1 , 2 or 3, wherein said first sheet and/or said second sheet is made from a pulp material.
5 The disposable insole according to any of the claims 4, wherein a circumferential rim is defined by adjoining said first sheet and said second sheet.
6. The disposable insole according to any of the claims 1-5, where said first sheet and/or said second sheet defines an outline substantially corresponding to the outline of a foot, the inside of a shoe or parts hereof.
7. The disposable insole according to any of the claims 1-6, where said at least one odour absorbing region is made from a pulp material, a carbonaceous material, a non-woven material, a homogeneous or non-homogeneous fibre material, a combination of silica, AGM and zeolites; or zeolites, activated carbon and AGM; or silica and AGM; or zeolite and AGM; or silica and zeolites; or delating agents or delating agents, AGM and zeolite or delating agents, AGM1 zeolite and activated carbon, or any combinations thereof.
8. The disposable insole according to any of the claims 1 -7, wherein said odour- absorbing region comprises an antiperspirant or an anti-microbic agent.
9. The disposable insole according to any of the preceding claims, wherein a surface of the insole is provided with adhesive means for ensuring that the insole is kept in place after being positioned in a shoe.
10. The disposable insole according to any of the preceding claims, wherein said at least one odour absorbing region extends less than the entire insole 10.
PCT/IB2005/052788 2004-08-26 2005-08-25 Disposable sweat and odour absorbing insoles or inserts for shoes WO2006021934A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04020263A EP1629738A1 (en) 2004-08-26 2004-08-26 Disposable sweat and odour absorbing insoles or inserts for shoes
EP04020263.2 2004-08-26

Publications (1)

Publication Number Publication Date
WO2006021934A1 true WO2006021934A1 (en) 2006-03-02

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WO (1) WO2006021934A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2440103B (en) * 2006-07-20 2011-02-16 Mark Adam Hood Item of footwear
US9839259B2 (en) 2012-10-02 2017-12-12 Jca Investment Holdings, Inc. Adhesive, washable, antimicrobial insert liner for shoes and method of manufacturing the same
US11129442B2 (en) 2012-10-02 2021-09-28 Jca Investment Holdings Inc. Insert liner for footwear and method of manufacturing the same
EP3573489A4 (en) 2017-01-27 2020-10-28 Henkel IP & Holding GmbH Disposable insole pads and use thereof

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Publication number Priority date Publication date Assignee Title
DE7228211U (en) * 1972-07-29 1972-11-02 Mueko-Werk Mueller & Co Shoe insole
US4186499A (en) 1978-05-22 1980-02-05 Dayco Corporation Construction for absorbing odors caused by perspiration and method of making same
EP0272690A2 (en) * 1986-12-22 1988-06-29 Kimberly-Clark Corporation Disposable hygienic shoe insole and method for making same
GB2242607A (en) * 1990-01-23 1991-10-09 Shelia Mary Ware Disposable biodegradable absorbent footwear insert
US5392533A (en) 1989-08-14 1995-02-28 Flawa Schweitzer Verbandstoff-Und Wattefabriken Ag Disposable shoe insole and method for making the same
US5452525A (en) * 1992-12-28 1995-09-26 Miyauchi; Hideo Shoe insole for absorbing humidity
BE1009445A6 (en) * 1995-06-29 1997-03-04 Laureyssens Dirk Layered transpiration insert suitable for collecting transpiration from foot and armpit
WO1997032498A1 (en) 1994-09-02 1997-09-12 Juselles Oy Disposable sweating protection for footwear
JPH09329404A (en) 1996-06-12 1997-12-22 Nippon Steel Corp Supporting device for reference plane disc
EP0839462A1 (en) 1996-10-29 1998-05-06 The Procter & Gamble Company Breathable perspiration pads having odour control
JPH10295410A (en) * 1997-04-21 1998-11-10 Toho Sheet & Frame Co Ltd Device to eliminate smelling dampness within shoe
US5935671A (en) 1994-12-08 1999-08-10 Lhuillier; Olivier Sole-shaped sweat-absorbing disposable hygienic insert
US6203810B1 (en) 1996-05-31 2001-03-20 The Procter & Gamble Company Breathable perspiration pads having odor control
WO2004012549A1 (en) 2002-07-29 2004-02-12 Paul Hartmann Ag Insole

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JPH0735244B2 (en) 1987-12-18 1995-04-19 三井東圧化学株式会社 Method for producing iodine monochloride

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Publication number Priority date Publication date Assignee Title
DE7228211U (en) * 1972-07-29 1972-11-02 Mueko-Werk Mueller & Co Shoe insole
US4186499A (en) 1978-05-22 1980-02-05 Dayco Corporation Construction for absorbing odors caused by perspiration and method of making same
EP0272690A2 (en) * 1986-12-22 1988-06-29 Kimberly-Clark Corporation Disposable hygienic shoe insole and method for making same
US5392533A (en) 1989-08-14 1995-02-28 Flawa Schweitzer Verbandstoff-Und Wattefabriken Ag Disposable shoe insole and method for making the same
GB2242607A (en) * 1990-01-23 1991-10-09 Shelia Mary Ware Disposable biodegradable absorbent footwear insert
US5452525A (en) * 1992-12-28 1995-09-26 Miyauchi; Hideo Shoe insole for absorbing humidity
WO1997032498A1 (en) 1994-09-02 1997-09-12 Juselles Oy Disposable sweating protection for footwear
US5935671A (en) 1994-12-08 1999-08-10 Lhuillier; Olivier Sole-shaped sweat-absorbing disposable hygienic insert
BE1009445A6 (en) * 1995-06-29 1997-03-04 Laureyssens Dirk Layered transpiration insert suitable for collecting transpiration from foot and armpit
US6203810B1 (en) 1996-05-31 2001-03-20 The Procter & Gamble Company Breathable perspiration pads having odor control
JPH09329404A (en) 1996-06-12 1997-12-22 Nippon Steel Corp Supporting device for reference plane disc
EP0839462A1 (en) 1996-10-29 1998-05-06 The Procter & Gamble Company Breathable perspiration pads having odour control
JPH10295410A (en) * 1997-04-21 1998-11-10 Toho Sheet & Frame Co Ltd Device to eliminate smelling dampness within shoe
WO2004012549A1 (en) 2002-07-29 2004-02-12 Paul Hartmann Ag Insole

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Title
DATABASE WPI Section Ch Week 199715, Derwent World Patents Index; Class D22, AN 1997-154712, XP002312249 *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 02 26 February 1999 (1999-02-26) *

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