CN101252851A - Disposable footwear cover - Google Patents
Disposable footwear cover Download PDFInfo
- Publication number
- CN101252851A CN101252851A CNA200680031727XA CN200680031727A CN101252851A CN 101252851 A CN101252851 A CN 101252851A CN A200680031727X A CNA200680031727X A CN A200680031727XA CN 200680031727 A CN200680031727 A CN 200680031727A CN 101252851 A CN101252851 A CN 101252851A
- Authority
- CN
- China
- Prior art keywords
- disposable footwear
- footwear cover
- pliable
- tough
- cover
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/16—Overshoes
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/16—Overshoes
- A43B3/163—Overshoes specially adapted for health or hygienic purposes, e.g. comprising electrically conductive material allowing the discharge of electrostatic charges
-
- 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
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/16—Overshoes
- A43B3/18—Devices for holding overshoes in position
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/16—Overshoes
- A43B3/20—Heel-less overshoes
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B9/00—Footwear characterised by the assembling of the individual parts
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The present invention relates to disposable protective footwear covers suitable for use in sterile environments, critically controlled environments, medical facilities, and industrial clean rooms.
Description
Technical field
The present invention relates to a kind of disposable protection spat of in gnotobasis, strict in check environment, medical facilities and industrial clean room, using of being suitable for.
Background technology
The workman enters the material contaminated environment that need put on clothes and discharge from the person of wearing the clothes to prevent in strict in check zone.This clothes should be from release microparticles on the fabric or fiber.This clothes can also provide protection for the workman, prevents splashing or dry particulate of light liquids.
In order to prevent to stay particulate by footprint, boots and spat are important at whole strict controlled area.In semi-conductor industry and life science industry, use disposable footwear cover to be exposed under the pathogen or material of harmfulness to prevent contamination of products and shoe user.
Current spat has been introduced extra harm to the wearer, for example causes and slips, trips owing to too much cloth contact floor.During use, current spat can be sagging, makes cloth pull on the floor and produce the danger that trips.Cloth contacts the floor usually and produces dangerous representative region and comprises ankle zone and metatarsal region.
United States Patent (USP) NO.5983526 discloses a kind of spat that is made of liquid-tight material, and this spat has the elastic belt that has surrounded wearer's ankle fully.This patent is not instructed and can be reduced and the relevant danger of slipping and tripping of this spat of use.
Therefore, need a kind of disposable footwear cover, it can leave the floor with cloth collection next to the shin in case on-slip is fallen, trips and fallen.
Summary of the invention
The present invention relates to a kind of disposable footwear cover with inner surface, outer surface, lower leg region, ankle zone, metatarsal region, loe zone and sole area, this spat comprises:
Pliable and tough polymer flake;
Elasticity fold fold in the lower leg region;
Elasticity fold in the metatarsal region;
Elasticity fold in the ankle zone; With
Cover the anti-skidding polymer coating of at least 25% sole area surface area.
The invention still further relates to the method that is used to make this disposable footwear cover.
Description of drawings
Fig. 1 has described the side view of spat.
Fig. 2 A-2F has described the step of making in the spat process.
The specific embodiment
The present invention relates to a kind of disposable protection spat, be applicable to environment such as gnotobasis, medical facilities, industrial clean room, use unisexuality fold and nonskid coating and come to provide and prevent the Additional Protection that slips, trip and fall to the wearer.
Disposable footwear cover of the present invention is made by pliable and tough sheeting, has towards the inner surface of wearer's pin or footwear with away from wearer's the pin or the outer surface of footwear, forms the common shape of footwear, boots or pin.Pliable and tough sheeting can be braiding or non-woven.Preferably, pliable and tough sheeting is non-braiding.Pliable and tough sheeting selectively comprises the coating of cover part or all surfaces, to provide such as the such additional functionality of barrier propterty.And pliable and tough sheeting comprises that selectively bicomponent fibre is to provide such as the stable such additional functionality to the gamma radiation that is used for sterilisation purpose.The composition of polyethylene, polypropylene or polyester is typically made and can be to bicomponent fibers by two kinds of distinct polymer.Yet bicomponent fibers also can be made by the same polymer with different qualities.Bicomponent fibers can have the polymer of sheath/core or parallel arranged.The flexible sheet of using among the present invention typically is liquid impermeable, and preferentially selected extra conduct avoids protection such as the such danger of blood and chemicals to the wearer.
Preferably, pliable and tough sheeting also serves as the protection that prevents that particle from seeing through.More preferably, pliable and tough sheeting can prevent to surpass 85% see through greater than 0.5 micron particle.More preferably, pliable and tough sheeting can prevent to surpass 93% see through greater than 0.5 micron particle.
The flexible sheet that is suitable for using among the present invention includes but not limited to microporous barrier, polyester and polyolefin.Preferably, flexible sheet comprises polyethylene or polypropylene.First-selected polyethylene for example can be from E.I.duPont de Nemours and Wilmington, and the spy that DE. company obtains defends by force (TYVEK , Arathene).The flexible sheet that is suitable for using among the present invention can be passed through in the prior art such as water thorn technology (hydroentangling), carded thermal bonding (carded thermal bonding), spun-bond process (spunbonding) or the such known method production of meltblown (meltblowing).
As the present invention who describes among Fig. 1 is a kind of disposable footwear cover 10, has inner surface, outer surface, lower leg region 35, ankle zone 30, metatarsal region 20, loe zone 25 and sole area 28.This disposable footwear cover 10 comprises that elastomeric material is to collect too much sheeting and fit comfortable and that improve is provided.Term used herein " elasticity fold (ELASTIC GATHER) " refers to analogs such as the elastic belt that is attached on the flexible sheet, line.With reference to figure 1, elasticity fold 50,60 and 70 typically lays respectively on the inner surface or outer surface of spat, in each lower leg region 35, it surrounds the zone of the about 2cm to the ankle of about 2cm under the knee, ankle zone 30 surrounds about 2cm on the ankle to the ankle zone of about 2cm down, and metatarsal region 20 surrounds the zone of about toe ball to heel.The elasticity fold 50 that is positioned at lower leg area typically is surrounded on the opening part of boots cover.These elasticity folds are wide less than about 2cm.Preferably, the elasticity fold is wide less than about 1cm.Most preferably, the elasticity fold is an elastica.The elasticity fold is typically by making such as the such material of elastic fibers, natural rubber, polyurethane and combination thereof.The elasticity fold can be fixed or be incorporated in the flexible sheet of spat.The typical case of elasticity fold fixes or associated methods comprises that stitch bond, bonding, stitching and tunnel type are in conjunction with (seal elastic cord and belt is sewn on the footwear with the belt resemble the flexible sheet material).
The elasticity fold 50 of lower leg area typically around at least a portion shank of wearer and can be fully around wearer's shank.The elasticity fold 50 of lower leg area can be along the circumferential extension of part or all of lower leg area.The elasticity fold 50 of lower leg area preferably only centers on the comfortableness of a part to consider to wear of wearer's leg.More preferably, the elasticity fold 50 of lower leg area is around the part at the rear portion of wearer's leg.Most preferably, the elasticity fold 50 of lower leg area is at the circumference about 30%～80% of contact area around wearer's leg.
The elasticity fold 60 in ankle zone is typically placed so that collect the too much material of spat and comfortable fit is provided.The elasticity fold 60 in ankle zone can be along the circumferential extension in part or all of ankle zone 30.Preferably, the elasticity fold 60 in ankle zone is along 25%～80% circumferential extension of spat ankle zone 30.More preferably, the elasticity fold 60 in ankle zone can also stretch along the rear portion of ankle.Most preferably, the elasticity fold 60 in ankle zone comprises the rear portion of ankle along 25%～60% circumferential extension of spat ankle zone 30.
The elasticity fold 70 of metatarsal area is typically placed so that collect the too much material of spat with the possibility that reduces to trip and comfortable fit is provided.The elasticity fold 70 of metatarsal area typically stretches across the about metatarsal area 20 from one side of sole to the relative another side of sole.
The method of making this disposable footwear cover has been described among Fig. 2 A-2F.In Fig. 2 A, two wedge shape sheetings 100 and 100 ' are provided, have narrow limit a and a ' and broadside b and b ' respectively.Each piece sheeting can be measured and be the about 9cm in narrow limit, and the about 12cm of broadside is about 35cm.Described as Fig. 2 B, with sheeting 100 and 100 ' alignment and along narrow limit a with a ' is secured together and be secured together with length c and c ' along long limit, formed a little opening T thus on the top and formed a big opening B in the bottom.The length of c or c ' can be about 15cm.Described as Fig. 2 C and Fig. 2 D, the 3rd sheeting 104 with limit d, d ' and e (they can be respectively about 35cm and 30cm) is by being secured together cylinder of formation with limit d and d '.Described as Fig. 2 E, the limit f that the circumferential edge e of present then cylinder 104 is fixed to little opening T goes up the substantial portion that formation spat 10 comprises lower leg area 35 and ankle zone 30.The limit g that the sheeting that has circular edges h (for example ellipse of about 33cm * 15cm) of suitable shape and size is fixed to big opening B goes up to form sole 28.As described in Figure 1, loose spat material is assembled and elasticity fold 70 crosses metatarsal region on the one side from sole to the direction of extension of the another side of sole.Elasticity fold 60 is placed along the back of ankle zone 30, and elasticity fold 50 is along placing towards the circumference on the top of lower leg area 35. Elasticity fold 60 or 70 can carry out combination before or after connecting sole 28.
With reference to figure 2F, disposable footwear cover of the present invention combines polymer coating 32 on a part of outer surface of the sole area 28 that contacts the floor usually provide a high coefficient of friction to make great efforts to minimize the risk of falling and slipping.Wish that polymer coating all has high coefficient of friction on surface wet and that do.Polymer coated can be continuous, interrupted, pattern shape, island shape, point-like and their combination.Described as Fig. 2 F, preferably polymer coating 32 is applied to the zone of supporting maximum weight during use, as toe ball and heel.More preferably, the sole region that polymer coating 32 covers at least about 25%, more preferably, polymer coating covers the sole region at least about 50%, most preferably, the sole region that polymer coating 32 covers at least about 80%.Polymer coating 32 typically comprises such as such material of polyester, polyolefin (for example polyethylene or polypropylene), polyvinyl chloride, polyurethane, rubber and their combination.Preferably, polymer coating comprises polyethylene, polyvinyl chloride or rubber.The suitable embodiment of the sole coating layer portion of spat comprises the polyester burlap of pvc coating, the polyethylene sheets of polyethylene coating and the polyethylene sheets of rubber coating.Polymer coating typically has the confficient of static friction greater than about 1.5.Preferably, polymer coating has the confficient of static friction greater than about 2.5.Most preferably, polymer coating has the confficient of static friction greater than about 3.0.
Method of testing
Coefficient of frictionBe that two frictional force (F) between the object are to the nondimensional ratio with two coarctate normal force of object (N).This coefficient of friction is determined according to ASTM D1894.
Confficient of static frictionBe the coefficient of friction that makes the maximal friction that begins to do macroscopic motion between two objects corresponding to being overcome, this confficient of static friction is determined according to ASTM D1894.
Claims (12)
1, a kind of disposable footwear cover with inner surface, outer surface, lower leg region, ankle zone, metatarsal region, loe zone and sole area, this spat comprises:
Pliable and tough polymer flake;
Elasticity fold in the lower leg region;
Elasticity fold in the metatarsal region;
Elasticity fold in the ankle zone; With
Cover the nonskid coating of at least 25% sole area surface area.
2, disposable footwear cover as claimed in claim 1, wherein pliable and tough polymer flake comprises the material that is selected from the group of being made up of polyolefin and polyester.
3, disposable footwear cover as claimed in claim 2, wherein pliable and tough polymer flake comprises polyethylene.
4, disposable footwear cover as claimed in claim 1, wherein pliable and tough polymer flake are non-braidings.
5, disposable footwear cover as claimed in claim 1, wherein pliable and tough polymer flake weaves.
6, disposable footwear cover as claimed in claim 1, wherein polymer coating has the confficient of static friction greater than about 1.5.
7, disposable footwear cover as claimed in claim 1, wherein nonskid coating comprises the material that is selected from the group of being made up of polyvinyl chloride, polyolefin, polyester, rubber, polyurethane and their combination.
8, disposable footwear cover as claimed in claim 7, wherein nonskid coating comprises polyester.
9, disposable footwear cover as claimed in claim 8, wherein polyester is covered by polyvinyl chloride.
10, disposable footwear cover as claimed in claim 1, wherein pliable and tough sheeting can stop to have greater than the particle of about 0.5 micron average diameter and surpass about 85% see through.
11, as the disposable footwear cover of claim 10, wherein pliable and tough sheeting can stop the particle that has greater than about 0.5 micron average diameter to surpass about 93% see through.
12, be used to make the method for the spat of claim 1, comprise the following steps:
Two polymer flakes are provided, the wedge shape that each plate sheet has two long limits and leniently holds narrow end,
Narrow end place in wedge shape links together with two thin slices,
A part of length on each long limit of two thin slices is linked together, forms the big opening on a little opening and an opposite thus,
The 3rd thin slice is provided,
The 3rd thin slice is formed drum,
The 3rd thin slice of drum is connected to little opening,
The sole thin slice is provided,
The sole thin slice is connected to big opening,
Connect the elasticity fold in the lower leg region,
Connect the elasticity fold in the phalanx district,
Connect the elasticity fold in the ankle zone.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/215,592 US20070044343A1 (en) | 2005-08-30 | 2005-08-30 | Disposable footwear cover |
| US11/215,592 | 2005-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101252851A true CN101252851A (en) | 2008-08-27 |
Family
ID=37478912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200680031727XA Pending CN101252851A (en) | 2005-08-30 | 2006-08-29 | Disposable footwear cover |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20070044343A1 (en) |
| EP (1) | EP1928276A1 (en) |
| JP (1) | JP2009505797A (en) |
| KR (1) | KR20080049792A (en) |
| CN (1) | CN101252851A (en) |
| BR (1) | BRPI0617111A2 (en) |
| CA (1) | CA2617068A1 (en) |
| MX (1) | MX2008002438A (en) |
| WO (1) | WO2007027717A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102987631A (en) * | 2012-11-20 | 2013-03-27 | 沈兰红 | Woven shoes and production method thereof |
| CN103445386A (en) * | 2012-05-28 | 2013-12-18 | 田边惠里 | Half shoe and method for producing half shoe |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080229618A1 (en) * | 2007-03-19 | 2008-09-25 | Mckay-Leffler Michelle T | Animal paw cover |
| US20120079748A1 (en) * | 2010-09-30 | 2012-04-05 | Brian Francis Block | Cover for golf shoes |
| US20120174289A1 (en) * | 2011-01-12 | 2012-07-12 | Daniel Richard Lopez | Hunting foot covers and method of use |
| US20130042501A1 (en) * | 2011-08-15 | 2013-02-21 | Herb Flores Velazquez | Disposable Protective Footwear Cover |
| USD785912S1 (en) | 2011-08-15 | 2017-05-09 | Kimberly-Clark Worldwide, Inc. | Disposable protective footwear cover |
| US9254015B2 (en) * | 2011-11-25 | 2016-02-09 | Samantha Nugent | Non-gaiter bootleg cover |
| TWM433119U (en) * | 2011-12-30 | 2012-07-11 | Mao-Xing Kan | Improved support element structure for foldable bottomless rainproof shoe cover |
| WO2013106658A1 (en) * | 2012-01-11 | 2013-07-18 | Mission Product Holdings, Inc. | Lubricating agent for cleats and method of applying the lubricating agent to cleats |
| KR101411943B1 (en) * | 2012-04-18 | 2014-07-07 | 심가은 | A throwaway slipper |
| US20150121727A1 (en) * | 2013-07-17 | 2015-05-07 | Kharashma Bhagwandeen | Dry booth |
| USD919104S1 (en) * | 2014-07-31 | 2021-05-11 | Brenda S. Woolf | Protective foot cover |
| US9883712B1 (en) | 2015-09-01 | 2018-02-06 | Hector Del Toro | Waterproof footwear cover |
| EP3347195A1 (en) * | 2015-09-09 | 2018-07-18 | Safety2Shoes ApS | Protective overshoe and method of manufacturing |
| USD819939S1 (en) | 2016-03-23 | 2018-06-12 | Safety2Shoes Aps | Full-dip overshoe |
| USD872289S1 (en) * | 2018-01-15 | 2020-01-07 | Shenzhen Dongjilian Electronics Co., Ltd | Cover for foot |
| USD873424S1 (en) * | 2018-01-15 | 2020-01-21 | Shenzhen Dongjilian Electronics Co., Ltd | Cover for foot |
| USD872288S1 (en) * | 2018-01-15 | 2020-01-07 | Shenzhen Dongjilian Electronics Co., Ltd | Cover for foot |
| USD875959S1 (en) * | 2018-01-15 | 2020-02-18 | Shenzhen Dongjilian Electronics Co., Ltd | Cover for limbs |
| CA3076292A1 (en) * | 2019-03-19 | 2020-09-19 | Dog E Lites Inc. | Elasticized pet footwear article |
| USD933361S1 (en) * | 2019-04-01 | 2021-10-19 | John Tzortzinakis | Laundry bag shaped like a sock |
| JP1701219S (en) * | 2020-10-06 | 2021-11-29 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1414912A (en) * | 1964-09-10 | 1965-10-22 | Saint Gobain Nucleaire Soc | Dust protection booties |
| FR2188438A5 (en) * | 1972-06-06 | 1974-01-18 | Dupre Ets | Disposable garment prodn - by cutting folded continuous (non)woven web and joining cut edges |
| US4516336A (en) * | 1983-09-13 | 1985-05-14 | Judith Nissenbaum | Protective overshoe |
| US4616429A (en) * | 1984-10-02 | 1986-10-14 | American Hospital Supply Corporation | Disposable shoe cover |
| DE8803942U1 (en) * | 1988-03-23 | 1988-05-26 | Müller, Josef F., 8000 München | Work overshoe |
| CA2056758A1 (en) * | 1991-04-05 | 1992-10-06 | Henry M. Hix | Expandable heel shoe cover |
| US6023856A (en) * | 1996-07-25 | 2000-02-15 | Brunson; Kevin K. | Disposable shoe cover |
| GB9616325D0 (en) * | 1996-08-02 | 1996-09-11 | Baldwin Gordon G | A disposable article |
| US5928888A (en) * | 1996-09-26 | 1999-07-27 | Aurora Biosciences Corporation | Methods and compositions for sensitive and rapid, functional identification of genomic polynucleotides and secondary screening capabilities |
| US5878512A (en) * | 1997-05-19 | 1999-03-09 | Cooper; Jeffrey A. | Protective overshoe |
| US5983526A (en) * | 1997-08-25 | 1999-11-16 | Allegiance Corporation | Impervious shoecovers |
| GB2334427A (en) * | 1998-02-18 | 1999-08-25 | Primo Schurch | Shoe-cover |
| US6833171B2 (en) * | 2002-04-03 | 2004-12-21 | Kimberly-Clark Worldwide, Inc. | Low tack slip-resistant shoe cover |
-
2005
- 2005-08-30 US US11/215,592 patent/US20070044343A1/en not_active Abandoned
-
2006
- 2006-08-29 JP JP2008529206A patent/JP2009505797A/en not_active Abandoned
- 2006-08-29 CN CNA200680031727XA patent/CN101252851A/en active Pending
- 2006-08-29 MX MX2008002438A patent/MX2008002438A/en not_active Application Discontinuation
- 2006-08-29 EP EP06813915A patent/EP1928276A1/en not_active Withdrawn
- 2006-08-29 CA CA002617068A patent/CA2617068A1/en not_active Abandoned
- 2006-08-29 WO PCT/US2006/033769 patent/WO2007027717A1/en active Application Filing
- 2006-08-29 BR BRPI0617111-7A patent/BRPI0617111A2/en not_active IP Right Cessation
- 2006-08-29 KR KR1020087007527A patent/KR20080049792A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445386A (en) * | 2012-05-28 | 2013-12-18 | 田边惠里 | Half shoe and method for producing half shoe |
| CN102987631A (en) * | 2012-11-20 | 2013-03-27 | 沈兰红 | Woven shoes and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1928276A1 (en) | 2008-06-11 |
| KR20080049792A (en) | 2008-06-04 |
| BRPI0617111A2 (en) | 2011-07-12 |
| MX2008002438A (en) | 2008-04-03 |
| JP2009505797A (en) | 2009-02-12 |
| US20070044343A1 (en) | 2007-03-01 |
| CA2617068A1 (en) | 2007-03-08 |
| WO2007027717A1 (en) | 2007-03-08 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080827 |