Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Iniciar sesión
Usuarios de lectores de pantalla: deben hacer clic en este enlace para utilizar el modo de accesibilidad. Este modo tiene las mismas funciones esenciales pero funciona mejor con el lector.

Patentes

  1. Búsqueda avanzada de patentes
Número de publicaciónUS3575782 A
Tipo de publicaciónConcesión
Fecha de publicación20 Abr 1971
Fecha de presentación19 May 1967
Fecha de prioridad19 May 1967
También publicado comoDE1760436A1, DE1760436B2
Número de publicaciónUS 3575782 A, US 3575782A, US-A-3575782, US3575782 A, US3575782A
InventoresPaul E Hansen
Cesionario originalMinnesota Mining & Mfg
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos: USPTO, Cesión de USPTO, Espacenet
Elastic shirred web product
US 3575782 A
Resumen  disponible en
Imágenes(1)
Previous page
Next page
Reclamaciones  disponible en
Descripción  (El texto procesado por OCR puede contener errores)

April 2, 3971 P. E. HANSEN 3,575,732

ELASTIC SHIRRED WEB PRODUCT Filed May 19, 1967 INVENTOR.

840; f. fi /v55 BY M F W Unite States 3,575,782 ELASTIC SHIRRED WEB PRODUCT Paul E. Hansen, North St. Paul, Minn, assignor to Minnesota Mining and Manufacturing Company, St. Paul, Minn.

Filed May 19, 1967, Ser. No. 639,689 Int. Cl. D8411 5/04 U.S. Cl. 161141 Claims ABSTRACT OF THE DISCLOSURE A covering material consists of partially extended spaced aligned elastic yarns sealed between two thin porous gathered non-woven fibrous webs, or between a web and a non-porous film, by means of a soft flexible polymeric coherent binder.

This invention relates to elastic web or sheet material and to methods of making the same. Elastic shirred or corrugated fabrics are described, as early as U.S. Pat. No. 22,038 as consisting of threads of india rubber stretched and bonded between two laminae of cloth and then permitted to retract thereby causing puckering or gathering of the fabric to provide the desired shirred effect. The rubber yans aeetaoinshdluwCMFM sirred effect. The rubber yarns are substantially completely retracted. The sheet is heavy and bulky and is only moderately porous. Cut edges must be prevented from raveling or separation by folding and cementing.

The present invention in one important aspect likewise involves the formation of a shirred or puckered fabriclike web or sheet material but distinguishes over the products of the prior art in a number of significant and unanticipated respects. The sheet is extremely thin yet surprisingly strong. Despite the high proportion of polymeric binder, the sheet remains high in porosity. It may be stretched sufficiently to overcome all puckering by simple hand pulling, and will then retract to its initial length and appearance upon release of tension. Surprisingly, it may be caused to undergo significant additional shrinkage under appropriate treatment, yet is dimensionally unchanged under normal storage and use conditions.

In one preferred form the product of the invention has utility as a self-adherent porous elastic bandage. In the usual widths of six inches or less the strip is easily stretched to any degree desired up to the full extensibility of the material, and when then wound about an injured member is found to conform fully and to be self-adherent. In applying a knee or ankle bandage, for example, the strip may be placed under minimum holding tension at the extremities and under much greater tension along the sprained or otherwise injured central section of the affected member. The bandage remains under tension 7 and firmly in place, yet does not adhere to the skin and is easily removed by stripping when desired.

In another form the product is non-adherent at noraml temperatures but may be sealed to itself under heat and pressure, thereby making possible the simplified preparation of shaped elastic coverings such for example as gloves, caps, or bags.

In the drawing,

FIG. 1 is a schematic representation showing the manufacture of the elastic sheet material, and

3,575,782 Patented Apr. 20, 1971 FIG. 2 is a representation in plan view of a portion of the product.

As shown in FIG. 1, elastic yarns 10 from a beam 11 are unwound under tension provided by a brake 12 and through a comb 14. Thin non-woven fibrous webs 15 and 17, from supply drums 16 and 18 respectively or di rectly from the forming machine if desired, are brought into contact with the yarns and with each other between squeeze rolls 19 and 20, the latter dipping into a pan 21 containing a fiuid binder mixture 22. The composite web passes directly into a drying oven 24 and thence between pull drums 25 and 26. The web next passes around idler roll 27, between heating platens 28 and 29, around pull drum 30 and idler roll 31, and is wound up to form stock roll 32.

Squeeze rolls 19 and rotate at a considerably greater surface speed than does beam 11, and the yarns 10 are accordingly stretched a corresponding amount. This stretch is maintained by operating pull drums and 26 and turn-around drum 27 at the same or slightly higher speed compared with rollers 19 and 20. Pull drum and windup drum 32, however, are again operated at a slower speed to permit shrinkage of the web as it passes between the heater plates 28 and 29. The composite web 34, which is smooth as it reaches the roll 27, becomes increasingly puckered or shirred as it passes through the heating zone, the result being further indicated in FIG. 2.

In an illustrative example, the yarns 10 are 820 denier Lycra spandex or linear polyurethane monofil'aments spaced six yarns per inch of width and each of webs 15 and 16 consists of 1%. denier staple rayon fibers of inch length, formed into a non-woven batt weighing approximately one-fourth ounce per square yard. Centrifuged natural rubber latex at 60% concentration serves as the fluid binder mixture 22, and the amount retained in the composite web is sufficient nearly to double the weight of the web after drying. The beam 11 has a surface speed of 7 feet per minute, whereas, the speed at rolls 19 and 20 is 30 ft./min., that at rolls 25, 26 and 27 is 32 ft./min., and that at rolls 30 and 32 is 20 ft./min.

The heat supplied by the platens 28 and 29 is sufficient to cause considerable fuming of the sheet material and to relax the structure sufficiently to permit the elastomeric yarns to retract and produce the desired degree of puckering or shirring as controlled by the speed of the pull drum 30. The temperature may be regulated by adjusting both the energy input to the platens and the distance between the platens and the web. In a typical installation for producing a web having a finished width of 32 inches before trimming, the electrically heated platens are each 15 inches high and inches wide, and are spaced between six and nine inches from the web. A thermometer placed adjacent the web between the platens registers about 200- 250 F. The duration of the heat treatment may be regulated, for a given length of platen, by adjusting the speed of travel of the web, sufficient time being provided to permit retraction of the web to the desired degree. The platens are maintained at a temperature sufficient to keep the web taut during the shrinking operation between rolls 27 and 30 at the speed indicated but not so high as to cause deterioration of the web as evidenced by excessive fuming and discoloration thereof. For most purposes the length of the relaxed web after retraction will be within the range of about one-third to about two-thirds the fully extended length. The elastic yarns are initially stretched to a length of about three to five times their fully relaxed length, and are permitted to relax only partially during the puckering step. Nevertheless the shirred product is dimensionally stable, the heat treatment serving to provide an effective degree of heat-setting or stabilizing, and neither shrinks nor expands when allowed to stand at normal temperatures and under no external stress; and it returns to such dimensions when first stretched and then permitted to retract. It is possible further to shrink the web, for example by at least an additional ten percent in the product made as above described, by further heating it sufficiently under stress-free or limited-stress conditions; but the structure obtained by shrinking to Within the approximate limits heretofore stated is found to provide a balance of properties best suited to the utility of the material for the purposes indicated and is greatly preferred. Thus the product when designed as an elastic self-adhering bandage may be resiliently extensible to a length of about 12 inches from a relaxed length of six or seven inches, whereas a product destined for the preparation of a cap, bowl cover, arm band, or similar article may be elastically stretched to as much as 20 or 21 inches from a relaxed length of seven inches.

In other illustrative examples the elastic yarn has been 1120 denier spandex elastic yarn or No. 70 rubber yarn, and the number of yarns has varied from two to eight per inch of width at the comb 40 and up to about 40% by weight of the total weight of the web, although preferably not exceeding about 8 ot 10 percent.

The thin fibrous matts are conveniently prepared on a garnetting machine or preferably on a Rando-Webber machine. Matts of polyester or rayon staple fibers or mixtures are preferred. The fibers are desirably of about 1 /2 denier and about to 1 /2 inch in length, and the matt is about A to /2 oz./sq. yd. or about 5-10 lb. per 320 sq. yd. These very thin matts are fragile and flimsy, but show surprising strength when combined in composite structures of the type and in the manner hereinabove indicated. Where the flimsiness of the untreated matt presents inordinate difficulties in handling, the matt as first formed may be reinforced by lightly treating with a compatible bonding agent. As an example, the reinforced matt may consist of 90 parts by weight of viscose rayon fibers and ten parts of polyethyl acrylate, the latter being applied at the forming machine by saturating with a dilute emulsion of the polymer, removing the excess between squeeze rolls, and drying in an oven.

Concentrated natural rubber latex is preferred as the impregnating and bonding or unifying medium where coherency between layers of the sheet product is desired. Other elastomers or blends of elastomers having similar properties may be used. The dried rubbery residue, although presenting a slightly tacky feel, does not adhere to the skin, but coherently bonds to itself with sufiicient force to hold the contacting layers together against reasonably high shearing stresses. For those applications in which bonding is to be achieved only at elevated temperatures, polymers such as polyethyl acrylate are substituted for the self-tacky rubbery polymers, a suitable commercially available material being Rhoplex Bl5 polyethyl acrylate dispersion. These impregnating and bonding materials may be used without further modification, but will ordinarily be blended with pigments or other visual modifiers. For products which are to be used as surgical wrappings or the like it is usually preferred to incorporate pigments of the type and in the amount required to produce a flesh color in the sheet product, an example being a mixture of 50 grams each of Kohnstamm Cosmetic Umber No. 1985 and Raw Sienna No. 2673 pigments in each ten gallons of the liquid latex. For decorative applications other color bodies may be substituted as desired.

An example of a sheet having particular utility as a c0- hesive bandage is made with four ends of 1120 denier spandex elastic yarn per inch of width, sandwiched between two non-woven fibrous webs each weighing A ounce per sq. yd. and containing of 1 /2 denier inch polyester fibers and 10% of polyethyl acrylate, the whole weighing 15 lbs./ 320 sq. yds. and being impregnated and held together with an additional 25 lbs/320 sq. yds. of lightly pigmented natural rubber. The sheet in shirred or puckered form has an apparent caliper of 20 mils, a yarn count of slightly more than five ends per inch width, and weighs lbs./ 320 sq. yds., whereas in fully stretched or extended form the caliper is 7 mils, the thickness in both instances being determined with a papermakers caliper having a pressure foot and anvil onehalf inch in diameter. The porosity reading, ice. the time required to pass 400 ml. of air through a sample one square inch in area in the Model 4118 Gurley Densometer, is six seconds.

For many applications a nonporous structure is preferred. Such materials, having the desirable stretchiness and retractability of the products hereinabove described but in addition being non-porous and water-repellent, and being capable of being coherently bonded to themselves under pressure applied either at room temperature or at elevated temperature, are particularly useful as waterresistant wrapping or bandaging materials or in the manufacture of elastic waterproof coverings such as bowl covers or shower caps. The substitution, for one of the porous webs 15 or 16, of a thin flexible film or foil, of which 0.4 mil polyethylene film or thin bright aluminum foil are illustrative, results in non-porous elastic webs having these desirable properties. The use of brightly colored, patterned, or reflective films or foils for such purposes provides a particularly attractive decorative elastic sheet material.

What is claimed is as follows:

1. A self-bonding elastic shirred web product comprising a series of spaced elastic yarns between coextensive thin webs of which at least one is a non-woven porous fibrous web, the whole being uniformly impregnated throughout and bonded together in a unified structure with a polymeric binder having a weight per unit area at least equal to the weight per unit area of said webs, said yarns being maintained under partial tension in said unified structure, said web product being resiliently extensible under hand pulling to the extent of at least about one-third of its length.

2. The product of claim 1 wherein each web is a nonwoven porous fibrous web.

3. The product of claim 2 wherein said web is coherently bondable at least at moderately elevated temperatures and is elastically extensible to at least about twice its relaxed length.

4. The product of claim 1 further characterized as being coherently bondable under pressure at normal room temperature and wherein said polymeric binder comprises natural latex rubber.

5. The product of claim 1 further characterized as being coherently bondable under heat and pressure and wherein said polymeric binder comprises a soft non-tacky synthetic polymer.

6. The product of claim 1 wherein said elastic yarns are uniformly spaced at about two to about eight yarns per inch width.

7. An article of manufacture comprising two segments of the elastic web product of claim 1 coherently bonded together along an overlapping marginal area.

8. The product of claim 1 wherein one of said thin Webs is a polymeric film.

'9. The product of claim 1 wherein one of said thin webs is a metal foil.

10. The product of claim 1 wherein one of said webs comprises a reflective film.

(References on following page) References Cited UNITED STATES PATENTS Solis 156161 Plechner 16177X 5 Scheuer 16177X Martin 161-76X Galligan et a1 161-76 ROW 156183 10 6 2,561,891 7/1951 Tucker 161Met. Foil 3,316,136 4/1967 Pufahl 156160 3,468,748 9/1968 Bassett 161-122 ROBERT F. BURNETT, Primary Examiner R. L. MAY, Assistant Examiner US. Cl. X.R.

Citada por
Patente citante Fecha de presentación Fecha de publicación Solicitante Título
US3770541 *12 Feb 19716 Nov 1973Vera Fabrikker AsMethod for producing tubes of reinforced setting plastic material
US3837338 *24 Nov 197224 Sep 1974Kendall & CoConformable nonwoven bandage
US3993818 *2 Jun 197523 Nov 1976United Technologies CorporationResin bonded composite articles and process for fabrication thereof
US4292360 *5 Mar 198029 Sep 1981Minnesota Mining And Manufacturing CompanyPressure sensitive adhesive tape
US4366814 *6 Abr 19814 Ene 1983Minnesota Mining And Manufacturing CompanyElastic bandage material
US4439391 *7 Ene 198127 Mar 1984International Paper CompanyPolymeric sheets
US4543154 *4 Nov 198324 Sep 1985The Procter & Gamble CompanyMethod for severing a laminated web containing a dimensionally heat unstable layer to produce non-linear shirred edges
US4552795 *27 Dic 198312 Nov 1985Minnesota Mining And Manufacturing Co.Inelastic, heat-elasticizable sheet material
US4563185 *17 May 19857 Ene 1986The Procter & Gamble CompanyDisposable diaper having elasticized waistband with non-linear severed edge
US4640859 *23 Sep 19853 Feb 1987Minnesota Mining And Manufacturing CompanyInelastic, heat-elasticizable sheet material for diapers
US4663106 *22 Ago 19855 May 1987Kimberly-Clark CorporationFormation of elasticized portions of disposable garments and other articles
US4749084 *12 Nov 19867 Jun 1988Minnesota Mining And Manufacturing Co.Tamper-indicating package with randomly disposed filaments
US4879169 *11 Abr 19887 Nov 1989E. I. Du Pont De Nemours And CompanyQuilted elastic composite fabric
US4944958 *28 Abr 198931 Jul 1990Karl Otto Braun KgMethod of manufacturing a cohesive bandage
US4973513 *4 Abr 199027 Nov 1990Minnesota Mining And Manufacturing CompanyProcess for applying a release coating to a wet nonwoven backing and article
US4984584 *8 May 199015 Ene 1991Riker Laboratories, Inc.High elastic modulus bandage
US5078138 *6 Jun 19907 Ene 1992Minnesota Mining And Manufacturing CompanyBiomedical electrode construction having a non-woven material
US5143679 *28 Feb 19911 Sep 1992The Procter & Gamble CompanyMethod for sequentially stretching zero strain stretch laminate web to impart elasticity thereto without rupturing the web
US5156589 *24 Oct 199120 Oct 1992Karl Otto Braun KgCohesive bandage
US5156793 *28 Feb 199120 Oct 1992The Procter & Gamble CompanyMethod for incrementally stretching zero strain stretch laminate web in a non-uniform manner to impart a varying degree of elasticity thereto
US5167897 *28 Feb 19911 Dic 1992The Procter & Gamble CompanyMethod for incrementally stretching a zero strain stretch laminate web to impart elasticity thereto
US5209801 *6 Ago 199111 May 1993Weyerhaeuser CompanyMethod of forming a disposable elastic structure
US5230701 *25 Feb 199227 Jul 1993Minnesota Mining And Manufacturing CompanyElastomeric adhesive and cohesive materials
US5232777 *23 Sep 19913 Ago 1993Minnesota Mining And Manufacturing CompanyElastic strand construction
US5249322 *24 Ago 19925 Oct 1993Louisville Bedding Co., Inc.Fitted mattress cover and method of making same
US5366793 *7 Abr 199222 Nov 1994Kimberly Clark CoAnisotropic nonwoven fibrous web
US5385775 *9 Dic 199131 Ene 1995Kimberly-Clark CorporationComposite elastic material including an anisotropic elastic fibrous web and process to make the same
US5431644 *31 Mar 199311 Jul 1995Minnesota Mining And Manufacturing CompanyElastic strand construction
US5451219 *28 Jul 199319 Sep 1995Paragon Trade Brands, Inc.Stretchable absorbent article
US5496603 *16 May 19955 Mar 1996Minnesota Mining And Manufacturing CompanyNonwoven sheet materials, tapes and methods
US5496605 *18 Ago 19955 Mar 1996Minnesota Mining And Manufacturing CompanyPerforated roll of nonwoven surgical tape
US5499917 *14 Dic 199419 Mar 1996Minnesota Mining And Manufacturing CompanyDental isolation dam
US5503908 *6 Jul 19942 Abr 1996Kimberly-Clark CorporationSelf-adhesive nonwoven elastic compressible composite material
US5616387 *16 Oct 19951 Abr 1997Minnesota Mining And Manufacturing CompanyPerforated roll of elastic wrap
US5623888 *27 Ene 199529 Abr 1997E. I. Du Pont De Nemours And CompanyBulky, stable nonwoven fabric
US5631073 *16 Sep 199620 May 1997Minnesota Mining And Manufacturing CompanyNonwoven sheet materials, tapes and methods
US5636393 *2 Mar 199510 Jun 1997Pillowtex CorporationMattress cover with inelastically stretchable skirt
US5679190 *19 Jun 199621 Oct 1997Minnesota Mining And Manufacturing CompanyMethod of making nonwoven sheet materials, tapes
US5762623 *30 Jun 19979 Jun 1998Andover Coated Products, Inc.Elastic bandage
US5904710 *21 Ago 199718 May 1999The Procter & Gamble CompanyDisposable elastic thermal body wrap
US5906637 *21 Ago 199725 May 1999The Procter & Gamble CompanyDisposable elastic thermal uniaxial joint wrap
US5939339 *4 Oct 199617 Ago 19993M Innovative Properties CompanyAbsorbent self adhering elastic bandage
US6057024 *31 Oct 19972 May 2000Kimberly-Clark Worldwide, Inc.Composite elastic material with ribbon-shaped filaments
US6063473 *11 Jun 199616 May 2000Xymid L.L.C.Abrasion-resistant composite sheet
US6064120 *21 Ago 199716 May 2000Micron Technology, Inc.Apparatus and method for face-to-face connection of a die face to a substrate with polymer electrodes
US6074505 *15 Jul 199613 Jun 2000The Procter & Gamble CompanyStructure and method of forming a laminate structure
US6093663 *2 Mar 199925 Jul 2000The Procter & Gamble CompanyStructure and method of forming a laminate structure
US6156424 *31 Oct 19975 Dic 2000Andover Coated Products, Inc.Cohesive products
US624540112 Mar 199912 Jun 2001Kimberly-Clark Worldwide, Inc.Segmented conformable breathable films
US638395818 Jun 19997 May 2002David P. SwansonNonwoven sheets, adhesive articles, and methods for making the same
US638747115 Abr 199914 May 2002Kimberly-Clark Worldwide, Inc.Creep resistant composite elastic material with improved aesthetics, dimensional stability and inherent latency and method of producing same
US650385519 Nov 19997 Ene 20033M Innovative Properties CompanyLaminated composites
US65479158 Feb 200215 Abr 2003Kimberly-Clark Worldwide, Inc.Creep resistant composite elastic material with improved aesthetics, dimensional stability and inherent latency and method of producing same
US656913922 Jun 200027 May 2003Kimberly-Clark Worldwide, Inc.Disposable absorbent underpants for containing body fluid
US666358427 Ago 200116 Dic 2003Kimberly-Clark Worldwide Inc.Elastic bandage
US6713415 *12 Abr 200130 Mar 2004E. I. Du Pont De Nemours And CompanyUniform stretchable fabric with flat surface appearance
US683317914 May 200121 Dic 2004Kimberly-Clark Worldwide, Inc.Targeted elastic laminate having zones of different basis weights
US683525629 Oct 200228 Dic 20043M Innovative Properties CompanyLaminated composites
US690279628 Dic 20017 Jun 2005Kimberly-Clark Worldwide, Inc.Elastic strand bonded laminate
US693933419 Dic 20016 Sep 2005Kimberly-Clark Worldwide, Inc.Three dimensional profiling of an elastic hot melt pressure sensitive adhesive to provide areas of differential tension
US696472026 Mar 200315 Nov 2005The Procter & Gamble CompanyElastomeric nonwoven laminates and process for producing same
US696717826 Dic 200222 Nov 2005Kimberly-Clark Worldwide, Inc.Elastic strand laminate
US696944114 May 200129 Nov 2005Kimberly-Clark Worldwide, Inc.Method and apparatus for producing laminated articles
US697848626 Dic 200227 Dic 2005Kimberly-Clark Worldwide, Inc.Garment including an elastomeric composite laminate
US699476323 Oct 20037 Feb 2006Advanced Design Concept GmbhElastomeric multicomponent fibers, nonwoven webs and nonwoven fabrics
US69949042 May 20017 Feb 20063M Innovative Properties CompanyPressure sensitive adhesive fibers with a reinforcing material
US70151552 Jul 200221 Mar 2006Kimberly-Clark Worldwide, Inc.Elastomeric adhesive
US70287352 Jun 200318 Abr 2006The Procter & Gamble CompanyMethod and apparatus for producing elastomeric nonwoven laminates
US713521331 Jul 200314 Nov 20063M Innovative Properties CompanyTearable elastic composite article and method of manufacture
US71507312 Sep 200419 Dic 2006Kimberly-Clark Worldwide, Inc.Disposable absorbent underpants
US721153113 Sep 20051 May 2007The Procter & Gamble CompanyElastomeric nonwoven laminates and process for producing same
US722265430 Abr 200429 May 2007The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US73095228 Jul 200418 Dic 2007Advanced Design Concepts GmbhFibers made from block copolymer
US73168402 Jul 20028 Ene 2008Kimberly-Clark Worldwide, Inc.Strand-reinforced composite material
US73168424 Nov 20038 Ene 2008Kimberly-Clark Worldwide, Inc.High-viscosity elastomeric adhesive composition
US734452419 Ago 200418 Mar 2008Kimberly-Clark Worldwide, Inc.Disposable absorbent underpants
US738980417 Abr 200724 Jun 2008The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US73985702 Oct 200615 Jul 2008Louisville Bedding CompanyMattress cover with fit enhancing composite end panels
US747628817 Mar 200613 Ene 2009The Procter & Gamble CompanyMethod and apparatus for producing elastomeric nonwoven laminates
US747643810 Sep 200413 Ene 2009Gorres Geoffrey HModified self-adherent wrap
US760165731 Dic 200313 Oct 2009Kimberly-Clark Worldwide, Inc.Single sided stretch bonded laminates, and methods of making same
US76832343 Ago 200723 Mar 2010The Board Of Trustees Of The Leland Stanford Junior UniversityDevices and bandages for the treatment or prevention of scars and/or keloids and methods and kits therefor
US769558320 May 200813 Abr 2010The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US775871230 Oct 200620 Jul 20103M Innovative Properties CompanyTearable elastic composite article and method of manufacture
US78508098 Mar 201014 Dic 2010The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US78547165 Abr 200621 Dic 20103M Innovative Properties CompanyCompression bandage system
US792350513 Nov 200712 Abr 2011Kimberly-Clark Worldwide, Inc.High-viscosity elastomeric adhesive composition
US798123124 Nov 201019 Jul 2011The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US800761427 Ago 201030 Ago 2011The Procter & Gamble CompanyElastomeric nonwoven laminates and process for producing same
US804398414 Dic 200425 Oct 2011Kimberly-Clark Worldwide, Inc.Single sided stretch bonded laminates, and methods of making same
US806326322 Ene 200922 Nov 2011The Board Of Trustees Of The Leland Stanford Junior UniversityMethods for the treatment or prevention of scars and/or keloids
US81142349 Jun 201114 Feb 2012The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US816885022 Ene 20091 May 2012The Board Of Trustees Of The Leland Stanford Junior UniversityMethods for the treatment or prevention of scars and/or keloids
US818245714 May 200122 May 2012Kimberly-Clark Worldwide, Inc.Garment having an apparent elastic band
US818342822 Ene 200922 May 2012The Board Of Trustees Of The Leland Stanford Junior UniversityTreatment or prevention of scars and/or keloids
US838979118 Abr 20115 Mar 2013The Board Of Trustees Of The Leland Stanford Junior UniversityTreatment devices and methods with extending elements
US83950118 Dic 201112 Mar 2013Neodyne Biosciences, Inc.Segmented skin treatment systems and methods
US840387312 Nov 201026 Mar 20133M Innovative Properties CompanyCompression bandage system
US848621017 Ene 201216 Jul 2013The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US859264011 Ago 201026 Nov 2013Neodyne Biosciences, Inc.Devices and methods for dressing applicators
US867416418 Abr 201118 Mar 2014Neodyne Bioscience, Inc.Segmented skin treatment systems and methods
US872194317 Dic 201013 May 20143M Innovative Properties CompanyProcess of making dimensionally stable nonwoven fibrous webs
US885898611 Jun 200914 Oct 20143M Innovative Properties CompanyBiocompatible hydrophilic compositions
US919406517 Dic 201024 Nov 20153M Innovative Properties CompanyDimensionally stable nonwoven fibrous webs and methods of making and using the same
US92480486 Ene 20122 Feb 2016Neodyne Biosciences, Inc.Wound or skin treatment devices and methods
US924804918 Abr 20112 Feb 2016The Board Of Trustees Of The Leland Stanford Junior UniversitySkin treatment devices and methods with pre-stressed configurations
US92480517 Mar 20132 Feb 2016The Board Of Trustees Of The Leland Stanford Junior UniversitySkin treatment devices and methods with pre-stressed configurations
US935800916 Feb 20117 Jun 2016Neodyne Biosciences, Inc.Skin straining devices and methods
US941648531 Mar 201416 Ago 20163M Innovative Properties CompanyProcess of making dimensionally stable nonwoven fibrous webs
US948789323 Mar 20108 Nov 20163M Innovative Properties CompanyDimensionally stable nonwoven fibrous webs and methods of making and using the same
US949232917 Ene 201415 Nov 2016Neodyne Biosciences, Inc.Skin treatment devices with locking mechanisms
US961157214 Oct 20114 Abr 20173M Innovative Properties CompanyDimensionally stable nonwoven fibrous webs, and methods of making and using the same
US964922617 Ene 201416 May 2017Neodyne Biosciences, Inc.Skin treatment devices with tensioning features
US97989303 Jul 201324 Oct 20173M Innovative Properties CompanyDetermining elongation of elastic bandage
US20020104608 *14 May 20018 Ago 2002Welch Howard M.Method and apparatus for producing laminated articles
US20030026967 *2 May 20016 Feb 2003Joseph Eugene G.Pressure sensitive adhesive fibers with a reinforcing material
US20030104746 *29 Oct 20025 Jun 20033M Innovative Properties CompanyLaminated composites
US20030109842 *12 Dic 200112 Jun 2003Louis Raymond Gerard St.Separated targeted elastic zone for improved process and product function
US20030114824 *19 Dic 200119 Jun 2003Odorzynski Thomas W.Three dimensional profiling of an elastic hot melt pressure sensitive adhesive to provide areas of differential tension
US20030124331 *28 Dic 20013 Jul 2003Charles MorellElastic strand bonded laminate
US20040005834 *2 Jul 20028 Ene 2004Peiguang ZhouElastomeric adhesive
US20040005835 *26 Dic 20028 Ene 2004Peiguang ZhouElastic strand laminate
US20040006324 *26 Dic 20028 Ene 2004Peiguang ZhouGarment including an elastomeric composite laminate
US20040019343 *14 May 200129 Ene 2004Olson Christopher PeterGarment having an apparent elastic band
US20040116023 *17 Dic 200217 Jun 2004Lei HuangThermal wrap with elastic properties
US20040121683 *20 Dic 200224 Jun 2004Joy JordanComposite elastic material
US20040192140 *26 Mar 200330 Sep 2004The Procter & Gamble CompanyElastomeric nonwoven laminates and process for producing same
US20040214498 *23 Oct 200328 Oct 2004Webb Steven P.Elastomeric multicomponent fibers, nonwoven webs and nonwoven fabrics
US20040238105 *2 Jun 20032 Dic 2004The Procter & Gamble CompanyMethod and apparatus for producing elastomeric nonwoven laminates
US20050025937 *31 Jul 20033 Feb 20053M Innovative Properties CompanyTearable elastic composite article and method of manufacture
US20050055001 *2 Sep 200410 Mar 2005Cazzato Tim RichardDisposable absorbent underpants
US20050055005 *19 Ago 200410 Mar 2005Cazzato Tim RichardDisposable absorbent underpants
US20050058816 *25 Mar 200417 Mar 2005Gorres Geoffrey H.Camouflage self-adherent wrap
US20050084647 *12 Oct 200421 Abr 20053M Innovative Properties CompanyLaminated composites
US20050101739 *8 Jul 200412 May 2005Webb Steven P.Fibers made from block copolymer
US20050142339 *30 Dic 200330 Jun 2005Price Cindy L.Reinforced elastic laminate
US20050241773 *30 Abr 20043 Nov 2005The Procter & Gamble CompanyApparatus for producing elastomeric nonwoven laminates
US20060009104 *13 Sep 200512 Ene 2006Uwe SchneiderElastomeric nonwoven laminates and process for producing same
US20060035055 *10 Ago 200416 Feb 2006The Procter & Gamble CompanyElastomeric nonwoven laminates and process for producing same
US20060082012 *6 Dic 200520 Abr 2006Bba Nonwovens SimpsonvilleElastomeric multicomponent fibers, nonwoven webs and nonwoven fabrics
US20060084339 *6 Dic 200520 Abr 2006BBA Nonwovens Simpsonville,Elastomeric multicomponent fibers, nonwoven webs and nonwoven fabrics
US20060084342 *6 Dic 200520 Abr 2006BBA Nonwovens Simpsonville,Elastomeric multicomponent fibers, nonwoven webs and nonwoven fabrics
US20060121097 *12 Nov 20058 Jun 2006Lodge Richard WTreatment articles capable of conforming to an underlying shape
US20060175001 *17 Mar 200610 Ago 2006Uwe SchneiderMethod and apparatus for producing elastomeric nonwoven laminates
US20060228969 *7 Abr 200512 Oct 2006Erdman Edward PElastic laminate
US20060229544 *5 Abr 200612 Oct 20063M Innovative Properties CompanyCompression bandage system
US20070039681 *30 Oct 200622 Feb 20073M Innovative Properties CompanyTearable elastic composite article and method of manufacture
US20070082569 *10 Sep 200412 Abr 2007Gorres Geoffrey HModified self-adherent wrap
US20070193678 *17 Abr 200723 Ago 2007Uwe SchneiderApparatus for producing elastomeric nonwoven laminates
US20070299383 *1 Jun 200727 Dic 2007Andover Coated Products, Inc.Foam layer cohesive articles and wound care bandages and methods of making and using same
US20080014386 *1 Jun 200717 Ene 2008Andover Healthcare, Inc.Cohesive articles with a foam layer
US20080014387 *1 Jun 200717 Ene 2008Andover Healthcare, Inc.Foam layer cohesive articles and wound care bandages and methods of making and using same
US20080033334 *3 Ago 20077 Feb 2008Gurtner Geoffrey CDevices and bandages for the treatment or prevention of scars and/or keloids and methods and kits therefor
US20080078029 *2 Oct 20063 Abr 2008Louisville Bedding Company, Inc.Mattress cover with fit enhancing composite end panels
US20080202665 *9 May 200828 Ago 2008Louisville Bedding Company, IncMethod of imparting mattress gripping stretchability to a mattress cover
US20080210364 *20 May 20084 Sep 2008Uwe SchneiderApparatus for Producing Elastomeric Nonwoven Laminates
US20080311338 *30 Nov 200518 Dic 20083M Innovative Properties CompanyExtensible Side Panel
US20090075042 *30 Nov 200719 Mar 2009Andover Healthcare, Inc.Hand-tearable non-elastic tape
US20090131845 *22 Ene 200921 May 2009Gurtner Geoffrey CMethods for the treatment or prevention or scars and/or keloids
US20090131846 *22 Ene 200921 May 2009Gurtner Geoffrey CTreatment or prevention of scars and/or keloids
US20090163844 *22 Ene 200925 Jun 2009Gurtner Geoffrey CMethods for the treatment or prevention of scars and/or keloids
US20100163162 *8 Mar 20101 Jul 2010Uwe SchneiderApparatus for Producing Elastomeric Nonwoven Laminates
US20110030883 *27 Ago 201010 Feb 2011Uwe SchneiderElastomeric Nonwoven Laminates and Process for Producing Same
US20110067797 *24 Nov 201024 Mar 2011Uwe SchneiderApparatus for Producing Elastomeric Nonwoven Laminates
US20110071453 *12 Nov 201024 Mar 20113M Innovative Property CompanyCompression bandage system
US20110146694 *17 Dic 200823 Jun 2011Michael FischerPatient extremity drape
US20110151737 *17 Dic 201023 Jun 20113M Innovative Properties CompanyDimensionally stable nonwoven fibrous webs and methods of making and using the same
US20110151738 *17 Dic 201023 Jun 20113M Innovative Properties CompanyDimensionally stable nonwoven fibrous webs, melt blown fine fibers, and methods of making and using the same
US20110152738 *11 Ago 201023 Jun 2011Neodyne Biosciences, Inc.Devices and methods for dressing applicators
US20110189463 *11 Jun 20094 Ago 2011Moore Eric MMelt blown fine fibers and methods of manufacture
US20110232822 *9 Jun 201129 Sep 2011The Procter & Gamble CompanyApparatus for Producing Elastomeric Nonwoven Laminates
DE102005016246A1 *8 Abr 200512 Oct 2006Sandler AgElastic, liquid-impermeable but gas-permeable, composite non-woven, useful e.g. in personal hygiene articles, comprises polypropylene fiber material penetrated by elastic layer of propylene-ethylene copolymer
DE102005016246B4 *8 Abr 200531 Dic 2009Sandler AgElastischer Verbundvliesstoff und Verfahren zu dessen Herstellung
EP0330716A2 *2 Mar 19886 Sep 1989Ipf Interpatent + Franchise AktiengesellschaftHeat-shirring sheet structure and method and apparatus for its manufacture
EP0330716A3 *2 Mar 19883 Jul 1991Ipf Interpatent + Franchise AktiengesellschaftHeat-shirring sheet structure and method and apparatus for its manufacture
EP2275062A25 Abr 200619 Ene 20113M Innovative Properties CompanyCompression bandage system
EP2292198A25 Abr 20069 Mar 20113M Innovative Properties CompanyCompression bandage system
EP2322124A15 Abr 200618 May 20113M Innovative Properties CompanyCompression bandage system
WO1994024353A1 *21 Abr 199427 Oct 1994E.I. Du Pont De Nemours And CompanyBulky, stable nonwoven fabric
WO1995006449A1 *31 Ago 19949 Mar 1995Minnesota Mining And Manufacturing CompanyPerforated roll of elastic wrap
WO1995015136A1 *4 Nov 19948 Jun 1995Minnesota Mining And Manufacturing CompanyProcess for applying a foamed coating to a medical adhesive tape
WO1997004154A1 *24 May 19966 Feb 1997Andover Coated Products Inc.Elastic bandage
WO2012051479A114 Oct 201119 Abr 20123M Innovative Properties CompanyDimensionally stable nonwoven fibrous webs, and methods of making and using the same
WO2012158879A117 May 201222 Nov 20123M Innovative Properties CompanyTearable elastic composite articles
WO2015002786A125 Jun 20148 Ene 20153M Innovative Properties CompanyAntimicrobial foams and methods of making same
WO2015094792A19 Dic 201425 Jun 20153M Innovative Properties CompanyViscoelastic medical article
Clasificaciones
Clasificación de EE.UU.442/329, 442/366, 602/77, 602/76, 428/465, 442/394
Clasificación internacionalB29C67/00, A61F13/02, B32B37/14
Clasificación cooperativaA61F13/0273, B32B37/144, B32B2305/20, B29C67/0011
Clasificación europeaB29C67/00D, A61F13/02H, B32B37/14B