Classifications

• • 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
• • 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
• • 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
  • A43B17/08—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined ventilated
• • 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
• • 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
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B7/00—Footwear with health or hygienic arrangements
  • A43B7/06—Footwear with health or hygienic arrangements ventilated

Definitions

• the present invention relates to a lining insole and more particularly, but not exclusively, to a lining insole for use 5 with casual footwear such as so-called trainers.
• trainers have become very popular. These forms of casual shoe were originally designed for Irrelatively short-term use during a sporting event. Essentially, trainers are athletic shoes. However, it is increasingly becoming the trend to wear this type of shoe throughout the day and for several days in succession.
• a washable and detachable lining insole for footwear comprising a resilient base layer and an absorbent
• said base layer and said absorbent layer being secured together by border stitching arranged about the edge of the insole, said resilient base layer including a coarse-weave scrim to facilitate stitch and dimensional retention, said absorbent layer being a graded density non-woven felt wherein
• ⁇ Qsurface portions of said absorbent layer may be generally of a hydrophobic nature in comparison with a middle portion.
• said middle portion accumulates, in use, any sweat moisture incident upon said absorbent layer.
• the lining insole includes a surface layer of cellular or open-weave fabric to act as an abrasion barrier and secured upon the top of the absorbent layer.
• the resilient layer is an impregnated, non- wovenI ffeelltt,, ssuuiittaabbllyy iimmpprreeggnnaatteeid to provide strength and resilience with an SBR impregnant.
• the coarse-weave scrim is a hessian-type material made of polyurethane or polypropylene strands. 35
• the absorbent layer is made of polyester and viscose fibres, said layer being in accordance with International Patent Publication No. WO96/07783 filed on 29th 2 August 1995 or EP-0 388 062.
• the most appropriate combination of fibres in the middle portion said absorbent layer is in the ration of 55-65% polyester fibre : 35-45% viscose fibre.
• the surface portions of said absorbent layer may
• the resilient base layer and absorbent layer, IQLn addition to border stitching are secured together with lines of stitching between said border stitching.
• the base layer is arranged to facilitate temporary location within footwear to prevent slippage.
• Such J5temporary location can be achieved using a fleece-and-hook type arrangement whereby the footwear includes one component of the attachment means whilst the lining insole includes the other.
• VELCROTM is one appropriate attachment arrangement.
• the coarse-weave scrim is typically of a hessian-type form with polyurethane strands.
• the coarse-weave scrim is present to enable the non-woven material to readily accept stitching in a resilient manner and to ensure structural integrity.
• the base layer and the absorbent layer are secured at least about their periphery by border stitching.
• the lining insole is cut to be consistent with the footwear in which it is to be accommodated. However, part- lining insoles could be provided if required. Typically, the base layer and the absorbent layer will be cut separately and 2 then stitched together as required.
• the absorbent layer must be able to retain any perspired sweat whilst in use, but then liberate that sweat when washed. Consequently, the absorbent layer comprises surface portions either side of a middle portion.
• the surface portions are substantially hydrophobic in nature, whilst the middle portion has a hydrophilic nature or is adopted for accommodation of sweat moisture. This structure is achieved most conveniently
• 2C by mechanical needle entanglement of three distinct webs, i.e. carded but unconsolidated layers of fibre.
• the two surface layers are constituted by respective webs of polyester fibre, whilst the middle web comprises a mixture of polyester fibres and viscose fibres to achieve the desired level of hydrophilic
• Needle entanglement to provide non-woven felts is well 2Qcnown and involves the use of barbed needles arranged upon a needle board which repeatedly compacts the subject web fibrous material. This compaction by the needle board is in order that the fibres become entangled and thus consolidated. Obviously, the degree of entanglement is indicated by weight 2 ⁇ per square metre and the gauge of the material.
• an absorbent layer is made in accordance with that described in International Patent Publication No. WO96/07783 (British United Shoe Machinery . ) .
• a first example of the absorbent material is carried out using three fibre webs.
• the surface portions and middle portion are consolidated to provide an absorbent layer with an area weight in the order of 600 g/rn ⁇ .
• the surface portions will be slightly thicker than the middle portion
• the surface portions will have a weight in the order of 500 g/m ⁇ and are formed from a 5.0 decitex polyester textile fibre supplied by Hoechst.
• the middle portion has an j area weight in the order of 300 g/m ⁇ and is formed from Courtaulds ML "0" trilobal viscose rayon fibres which are slightly finer than the polyester fibres in the surface portions, having a decitex of 2.6. In tests, it has been
• this first example of an absorbent layer absorbs liquid, i.e. sweat, readily and transmits it into the absorbent middle portion.
• the surface portions remain relatively dry and the liquid is substantially retained in the middle portion.
• joLoad as would arise e.g. under foot pressure
• wicking of the absorbent middle portion ensures that the absorbed liquid (sweat) is removed from the region at which it is drawn into the middle portion
• the absorbent layer can be washed a number of times when incorporated into a lining insole with a resilient base layer. This washing operation removes most, if not all, of the absorbed liquid and other material, so the insole is re-usable and deodorised.
• An alternative absorbent layer is described
• the material comprises layers of variously needled webs such that the outer areas of the layer have greater entanglement and therefore density as compared to more central regions so that they have significant void space to accommodate liquid.
• the absorbent layer is a multi- layered material as described, having outer hydrophobic fibre felt layers and inner absorbent layers which may include hydrophilic fibres, the whole material being needled to provide a substantially stable structure.
• Jitechnique The alternative as described above is to combine or laminate several pre-needle webs of felt having different properties through such needling process or their fibre composition together to create a desired absorption quality. Again, with a laminated approach it is possible to limit
• the absorbent layer may be made of polyester fibres or viscose rayon fibres or other suitable hydrophilic
• the absorbent layer has voids in which sweat liquid can be accommodated, whilst the surface portions has sufficient
• the resilient base layer preferably comprises a single layer of non-woven material made from polyester fibres, having an impregnated total weight of about 420 g/m ⁇ and a gauge of approximately 1.4 mm.
• This non-woven felt has a polypropylene scrim incorporated in it during the needling stage.
• Jpolypropylene scrim provides for good structural integrity and the ability to retain a stitch.
• the non-woven felt is impregnated with a SBR impregnant.
• this arrangement uses a VELCROTM-type fastening system.
• the footwear will incorporate the hook element of the VELCROTM
• J ⁇ footwear or by incorporation of a rubber permanent insert in the footwear incorporating at least one part of the attachment arrangement.
• This insert could be positioned throughout the footwear or just one portion, i.e. the heel end, of the footwear. 35
• the essential feature of the present invention is that the lining insole can be removed readily from the footwear and thus washed as a separate item.
• the lining insole 2 could be washed in the same manner as a pair of socks; thus a wearer may insert a fresh lining insole each day and then remove it at the end of the day for washing.
• This barrier layer may be any cellular or loose-woven material. However, it is preferable that the material is hydrophobic and resistant to staining in order that the lining insole retains
• the absorbent layer absorbs most of the perspired sweat.
• the impregnated non-woven base 25 r ⁇ silient layer may also retain and absorb some sweat, thus ensuring that the wearer's foot does not feel clammy and remains dry.
• the absorbent layer may be arranged such
• -*°that its middle portion may include a deodorant, a perfume or anti-microbial/anti-bacterial fibres.

Landscapes

• Health & Medical Sciences (AREA)
• Epidemiology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=10792799

Family Applications (1)

Country Status (6)

Families Citing this family (3)

Family Cites Families (7)

• 1996
  • 1996-04-27 GB GBGB9608807.5A patent/GB9608807D0/en active Pending
• 1997
  • 1997-03-25 EP EP97906329A patent/EP0959706A1/de not_active Ceased
  • 1997-03-25 BR BR9709166-9A patent/BR9709166A/pt not_active Application Discontinuation
  • 1997-03-25 WO PCT/IB1997/000299 patent/WO1997040717A1/en not_active Ceased
  • 1997-03-25 KR KR1019980708589A patent/KR20000065044A/ko not_active Ceased
  • 1997-03-25 AU AU21054/97A patent/AU2105497A/en not_active Abandoned

Non-Patent Citations (1)

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