US3340874A - Tampon having concentric layers with different properties - Google Patents

Tampon having concentric layers with different properties Download PDF

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Publication number
US3340874A
US3340874A US394909A US39490964A US3340874A US 3340874 A US3340874 A US 3340874A US 394909 A US394909 A US 394909A US 39490964 A US39490964 A US 39490964A US 3340874 A US3340874 A US 3340874A
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United States
Prior art keywords
tampon
fibers
denier
tampons
section
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.)
Expired - Lifetime
Application number
US394909A
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English (en)
Inventor
Alfred A Burgeni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson
Original Assignee
Johnson and Johnson
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Publication date
Application filed by Johnson and Johnson filed Critical Johnson and Johnson
Priority to US394909A priority Critical patent/US3340874A/en
Priority to DE1491170A priority patent/DE1491170C3/de
Application granted granted Critical
Publication of US3340874A publication Critical patent/US3340874A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2051—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the inner absorbing core
    • A61F13/2068—Tampons made from several layers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2051—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the inner absorbing core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S604/00—Surgery
    • Y10S604/904—Tampons

Definitions

  • ABSTRACT OF THE DISCLOSURE This application discloses an absorbent tampon having improved fluid transfer properties in that fluids are rapidly drawn inwardly to an internal reservoir within the absorbent tampon while the outer layers of the tampon remain relatively dry until the central core has become saturated. By the constructions proposed, such absorbent tampons resist early failure in use thereby also increasing total fluid capacity in use.
  • Premature tampon failure due to run-off is an inherent shortcoming of catamenial tampons presently in use. More specifically such tampons lack adequate mechanisms to permit the intercepted fluid to be rapidly absorbed on the outer surface and thence to be dispersed spontaneously and rapidly into the interior of the fiber mass. In fact, it is characteristic of tampons presently in use that they accumulate fluid in regions of the outer layer, causing these regions to become saturated, while little or no fluid at all penetrates into the core portion. Such conditions reduce the rate at which the intercepted fluid is absorbed, and fail to provide a mechanism that favors the complete fill-up of the inherently available pore spaces.
  • an object of the present invention to provide an absorbent tampon having an improved rate at which intercepted fluid is absorbed in the fiber mass constituting the outer section thereof.
  • Another object of the invention is to provide an absorbent tampon which can maintain a favorable and high rate of absorbency while the tampon is in use.
  • Yet another object is to provide an absorbent tampon having a mechanism which spontaneously drains absorbed fluid from the surface section by moving the fluid into the interior of the compressed fiber mass.
  • Still another object of the invention is to provide an absorbent tampon with a reduced incidence of premature failure and thereby improve its in-use absorbing capacity.
  • a further object of the invention is to provide an absorbent tampon which triggers radial expansion thereof whereby fluid is conducted spontaneously from the surface into the interior ofthe compressed fiber mass.
  • Yet another object of the invention is to provide absorbent tampons of high density without reducing their rate of absorption.
  • Tampons of the present invention generally, comprise an elongated cylindrical body of compressed absorbent fibrous material which is arranged in a plurality of sections. There are at least one substantially centrally disposed core section and one or more peripherally disposed annular sections substantially surrounding said core section.
  • the peripherally disposed annular sections consist of relatively coarse denier fibers with respect to relatively fine denier fibers from which the centrally disposed core section is made.
  • the use of varying denier fibers specifically positioned in radial layers within an absorbent tampon reduces the incidence of early tampon failure and provide increased absorptive capacity in use without increasing the bulk and size of the tampon ultimately produced.
  • Such positioning of the varying denier fibrous layers provides the advantageous feature of the'present invention in that a centrally located core of the finest denier fibers, due to its greater capillary suction forces drawing fluids into it, forms an internal reservoir for fluids deposited on the outer layer of the catamenial tampon.
  • the outer layer of the tampon containing the coarser denier fibers remains relatively dry and will not become saturated with fluids until the internal core made of the finer denier fibers becomes saturated. This is because of the excellent transmissibility and spontaneous wicking of fluid through the outer layer of coarser denier fibers into the centrally positioned core of finer denier fibers and its absorption and retention therein.
  • varying denier fibers in the tampons of the present invention, compressing of the assembled fibrous mass does not destroy any built-in relationship of the fibrous layers.
  • the built-in compression differential is broken down resulting in a tampon of substantially uniform compression throughout.
  • FIGURE 1 is a cutaway view in elevation of a catamenial tampon containing layers of varying denier fibers in accordance with the present invention
  • FIGURE 2 is a cross-sectional view of the tampon disclosed in FIGURE 1 showing a core of relatively fine denier fibers and an outer layer of relatively coarse denier fibers;
  • FIGURE 3 is a cross-sectional view of a modification of the tampon shown in FIGURE 2;
  • FIGURE 4 is an idealized perspective view of the tampon shown in FIGURE 3 showing one method of forming the tampon of the present invention by folding a preformed multilayered web of fibers upwardly in U fashion;
  • FIGURE 5 is a perspective view of superimposed fibrous webs showing one method of transversely folding such webs into a form suitable for making a tampon in accordance with the invention
  • FIGURE 6 is a perspective view of superimposed fibrous pads with a withdrawal string attached showing another method of forming multiple webs into a tampon in accordance with the present invention.
  • FIGURE 7 is a perspective view of a tampon formed from the two webs superimposed as shown in FIGURE 6.
  • a catamenial device or tampon 10 comprising a hollow cylindrically shaped container or applicator 11 and a smaller plunger or ejector 12 slidably positioned within the applicator 11.
  • a fibrous absorptive pad 13 is positioned within the applicator 11 and is adapted to be slidingly ejectable therefrom by movement of the plunger 12 into the applicator 11 so as to be positioned in a body cavity to conform to the body contours of the user and to receive, absorb and retain catamenial fluids.
  • a withdrawal string or cord 14 is secured preferably to the base of the tampon and is of suflicient length that the free ends thereof extend outwardly from the body cavity for withdrawal of the tampon after use.
  • This structure is exemplary of a form of catamenial tampon in commercial use and is employed primarily to illustrate the invention. It is to be realized, however, that such is not limitive but merely illustrative of the invention in a commercially acceptable form.
  • FIGURE 2 a cross-section of the catamenial tampon 10 shown in FIGURE 1 is shown comprising a hollow cylindrically shaped container or applicator 11, an outer annular sheath of cellulosic fibers 15 as an outer fluid permeable cover, and a peripherally disposed absorptive, fibrous, annular layer 17 surrounding an inner core 19.
  • Such construction is capable of being manufactured in many ways.
  • a flat strip of the absorptive pad forming the core portion 19 can be placed upon a slightly wider strip of the absorptive outer layered portion 17 and rolled into the cylindrical shape shown.
  • Another way is to prepare the cylindrical core portion 19 first and then helically wrap or wind the outer layered portion 17 thereabout in a subsequent operation.
  • tampons made in accordance with the present invention can be manufactured by any number of known techniques used to manufacture conventional tampons which are formed from a plurality of superimposed webs of fibrous material.
  • a typical example is where two webs of fibrous material are placed one on top the other and positioned on a fluid permeable flat web of fibrous material. The fluid permeable web of material becomes the outer sheath or wrapper 15 of the tampon 10 ultimately formed.
  • the three superimposed webs of material are folded lengthwise in the center to form a V in cross-section. This is generally a continuous operation. Following the folding of the superimposed Webs, they are cut transversely to .a length which is equal to approximately twice the length of the tampon 10 desired if it is to be compressed in a radial direction only.
  • the webs are cut transversely to a length greater than twice the length of the ultimate tampon desired to compensate for the longitudinal compression of the fibrous mass. Then a withdrawal string 14 is attached by encircling the cut webs in the center followed by folding the terminal portions 16a and 16b upwardly in U fashion about the encircling withdrawal string 14 in a direction such that the former lateral edges 18 and 20 of the unfolded superimposed webs are in abutting relationship. (See FIGURE 4.) The resulting loose fibrous body is then placed in a cylindrical die and compressed radially and/or longitudinally into a tampon 10 of de sired size and bulk.
  • the tampons can be made by folding the superimposed webs of material along a pair of longitudinally extending parallel lines 21 and 22 in a lengthwise direction.
  • the folds define a pair of outer flaps 23 and 24 and a center section 25 each equaling one-third the original width of the superimposed webs.
  • Each of the flaps 23 and 24 are folded upwardly first one outer flap 23 over the center third 25 of the three superimposed webs and then the other outer flap 24 over the center third 25 of the superimposed webs which now has folded thereover the other outer third 23 of the superimposed webs.
  • the webs are cut transversely, a withdrawal string 14 is attached, the terminal portions 16a and 16b are folded upwardly in U fashion around the encircling withdrawal string 14 and the loosely formed fibrous body is compressed as above described.
  • tampons 10 can also be made in accordance with the present invention by superimposing one or more webs of fibrous materialon top of a web which ultimately forms the outer peripheral section 17 of the tampon.
  • the superimposed webs are then cut into pads 27 and 29 preferably of diminishing sizes from the lowermost pad 27 to the uppermost pad 29.
  • a withdrawal string 14 is attached by stitching through the center of each of the superimposed pads with the free ends thereof extending below the lowermost pad 27.
  • the superimposed pads which are now stitched together by the withdrawal string 14 are then drawn by the withdrawal string through a circular orifice or tube to draw the lowermost pad 27 up and over the uppermost pad 29 and the intermediate pads if any are present.
  • the uppermost pad 29 forms a central core 19 about which the lowermost pad 27 is formed into an outer peripherally disposed section 17.
  • the fibrous mass of multiple layers is then compressed radially and/ or longitudinally into a tampon of the desired size and bulk.
  • an absorbent tampon 10, and particularly a catamenial tampon is formed by conventional manufacturing techniques with an outer fibrous portion 17 and a substantially centrally positioned core portion 19 of fibrous material which fibers are of different denier.
  • the outer fibrous portion 17 consists of fibers of coarser denier than the fibers forming the central core fibrous portion 19.
  • tampons can be provided having an outer peripheral fibrous layer 17 of coarse fibers and a centrally located core 19 of finer fibers in which there can be positioned intermediate the centrally positioned core 19 and the outer peripheral layer 17 one or more fibrous layers 17a consisting of fibers having a fineness intermediate the fineness of the fibers in the inner core 19 and those of the outer section 17. That is to say, as one progresses from the outer peripheral portion 17 radially inwardly to the central core portion 19, there will be found increasingly greater numbers of fibers of decreasing denier.
  • the choice of fiber denier employed for each fibrous layer can be varied within Wide limits.
  • the outside or peripheral layer is of a considerably coarser denier than the fibers conventionally used in catamenial tampons and other dressings.
  • Each successive layer in the direction of the core portion is made of fibers of decreasing denier.
  • the fibers of the outer substantially peripheral layer 17 will range from about 8 to about 20 denier and most preferred will be about 15 denier.
  • the fibers forming the substantially centrally disposed section 19 will range from about 1.5 to about 5 denier and most preferred will be about 3 denier. If fibrous sections 17a intermediate the core section 19 and the outer peripheral section 17 are employed, the fibers will range from about 3 to 15 denier with the most preferred average denier being about 8 denier. While it is seen that the denier range for each section overlaps, it is understood that in any given tampon, the denier chosen for each successive section will be different and more specifically will be of increasingly finer denier in the direction of the centrally disposed core section 17.
  • the annular sections 17 and 17a of the tampon 10 can be of identical thickness and equal to the radius of the central core portion 19. This, however, is not a requirement, but alternatively, for example, each of the superimposed fibrous webs forming the central core portion 19 and the outer annular portions 17 and 17a of the tampon 10 can be of equal weight per unit area. As such, the thickness of the individual annular sections of the tampon of the present invention increases in the direction of the central core 19.
  • a wrapper 15 consisting of gauze, nonwoven fabric, and the like.
  • the wrapper 15, however, is preferably provided with relatively large interstices in order to minimize its capillary attraction and to promote rapid transfer of the fluid into the adjacent peripheral absorbent fibrous layer 17.
  • the outer sheath or wrapper 15 is provided pri v marily for the purpose of comfort and to prevent sloughing of the fibers from the outer layer 17 of the tampon 10 during use.
  • employment of an outer sheath or wrapper 15 with tampons 10 of the present invention is merely a preferred form and the principles and advantages obtained in the construction of the present invention are not necessarily altered or enhanced by the use of such a wrapper.
  • An absorbent tampon for absorbing body fluids, said tampon comprising an elongated cylindrical body of compressed absorbent fibrous material, said absorbent fibrous material being arranged in a plurality of sections extending lengthwise of said tampon, said sections including a substantially centrally disposed core section and at least one peripherally disposed annular section substantially surrounding said core section, said peripherally disposed annular section consisting of fibers ranging from about 8 to about 20 denier and said centrally disposed core section consisting of fibers ranging from about 1.5 to about 8 denier.
  • An absorbent tampon for absorbing body fluids, said tampon comprising an elongated cylindrical body of compressed fibrous material, said absorbent fibrous material being arranged in a plurality of sections extending lengthwise of said tampon, said sections including at least one interiorly disposed core section, at least one exteriorly disposed annular section, and at least one annular section disposed intermediate said interior and exterior sections, the fibers forming each next adjacent section from said interiorly disposed core section radially outwards to said exteriorly disposed annular section being of increasing denier.
  • the tampon of claim 4 wherein the fibers of said interiorly disposed core section range from about 1.5 to 5 denier, the fibers of said exteriorly disposed annular section range from about 8 to 20 denier, and the fibers of said intermediately disposed annular section range from about 3 to 15 denier.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
US394909A 1964-09-08 1964-09-08 Tampon having concentric layers with different properties Expired - Lifetime US3340874A (en)

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Application Number Priority Date Filing Date Title
US394909A US3340874A (en) 1964-09-08 1964-09-08 Tampon having concentric layers with different properties
DE1491170A DE1491170C3 (de) 1964-09-08 1965-09-07 Hygiene-Tampon

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US394909A US3340874A (en) 1964-09-08 1964-09-08 Tampon having concentric layers with different properties

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Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618605A (en) * 1969-11-12 1971-11-09 Jacob A Glassman Catamenial tampon
US3710793A (en) * 1971-05-17 1973-01-16 J Glassman Catamenial tampon
US4041948A (en) * 1976-07-26 1977-08-16 Johnson & Johnson Digital tampon
US4533145A (en) * 1984-08-22 1985-08-06 Liebman Bradley B Liquid absorbing playing piece
US4543098A (en) * 1982-12-23 1985-09-24 Kimberly-Clark Corporation Tampon with resilient component and microfiber insert
US4661101A (en) * 1984-05-18 1987-04-28 Vereinigte Papierwerke, Schickedanz & Co. Layered catamenial device
US4714466A (en) * 1985-01-25 1987-12-22 Kao Corporation Absorbent member for tampon
US5153971A (en) * 1991-11-26 1992-10-13 Kimberly-Clark Corporation Method of forming a curved tampon
US5350371A (en) * 1991-11-26 1994-09-27 Kimberly-Clark Corporation Catamenial tampon
EP0685215A1 (de) 1994-05-31 1995-12-06 McNEIL-PPC, INC. Vaginaler Tampon mit ausbalancierter Feuchtigkeit und Verfahren
WO1999000096A1 (en) 1997-06-30 1999-01-07 Mcneil-Ppc, Inc. Tampon having an apertured film cover
US5928184A (en) * 1997-04-14 1999-07-27 Tampax Corporation Multi-layer absorbent article
US6186995B1 (en) 1999-08-30 2001-02-13 John M. Tharpe, Jr. Vaginal tampon and method for fabrication thereof
US6191341B1 (en) * 1998-04-21 2001-02-20 Ronald D. Shippert Medical absorbent pack substantially free of unwanted adhesion properties
EP1064901A3 (de) * 1999-07-02 2001-08-08 Uni-Charm Corporation Vaginaltampon
US6315763B1 (en) * 1997-04-14 2001-11-13 Tambrands, Inc. Tampon
US6433246B1 (en) * 1995-12-22 2002-08-13 Mcneil-Ppc, Inc. Tampon having improved early expansion characteristics
US20030135180A1 (en) * 2002-01-10 2003-07-17 Nguyen Hien Vu Absorbent device with a lubricious cover
US6743212B1 (en) * 1997-12-23 2004-06-01 Mcneil, Ppc, Inc. Multi-layered tampon cover
USD492033S1 (en) 2003-04-04 2004-06-22 Playtex Products, Inc. Tampon applicator assembly
US20040199100A1 (en) * 2003-04-04 2004-10-07 Playtex Products, Inc. Tampon applicator assembly having an improved plunger and methods of making
US20050256486A1 (en) * 2004-05-14 2005-11-17 Carasso Samuel C Fluid management device with fluid transport element for use within a body
US20050256484A1 (en) * 2004-05-14 2005-11-17 Chase David J Method of using an intravaginal device with fluid transport plates
US20050256485A1 (en) * 2004-05-14 2005-11-17 Samuel Carasso Method of using intravaginal device with fluid transport plates
US20050283128A1 (en) * 2004-05-14 2005-12-22 Chase David J Fluid management device with fluid transport element for use within a body
US20070049893A1 (en) * 2004-05-14 2007-03-01 Curt Binner Intravaginal device with fluid transport plates
US20080002312A1 (en) * 2006-06-30 2008-01-03 Ted Dibene Methods and arrangements for generating a control signal for a power converter
US20080051740A1 (en) * 2006-06-16 2008-02-28 Family Health International Vaginal drug delivery system and method
JP2008506476A (ja) * 2004-07-28 2008-03-06 ザ プロクター アンド ギャンブル カンパニー 内側ラップ及び外側ラップを含む変形可能なタンポン
US20080132868A1 (en) * 2006-11-08 2008-06-05 Playtex Products, Inc. Tampon pledget for increased bypass leakage protection
WO2008144624A1 (en) * 2007-05-17 2008-11-27 Playtex Products, Inc Tampon pledget for increased bypass leakage protection
US20090156979A1 (en) * 2005-03-09 2009-06-18 Andersch Bjoern Tampon
US20090177173A1 (en) * 2004-05-14 2009-07-09 Chase David J Intravaginal device with fluid transport plates
US20090259165A1 (en) * 2008-04-14 2009-10-15 Ryo Minoguchi Tampon having an auxiliary patch
US20100069866A1 (en) * 2004-05-14 2010-03-18 Mcneil-Ppc, Inc. Intravaginal Device with Fluid Transport Plates And Methods of Making
US20100170069A1 (en) * 2004-05-14 2010-07-08 Curt Binner Intravaginal device with fluid transport plates
JP2012523911A (ja) * 2009-04-15 2012-10-11 プレイテックス プロダクツ エルエルシー 改良された迂回漏れ防止の手段を有するタンポン用綿撒糸
US20140115844A1 (en) * 2012-10-31 2014-05-01 Kimberly-Clark Worldwide, Inc. Tampon method of manufacture
US8845837B2 (en) 2012-10-31 2014-09-30 Kimberly-Clark Worldwide, Inc. Method of manufacturing tampons
US8864640B2 (en) 2004-05-14 2014-10-21 Mcneil-Ppc, Inc. Methods of packaging intravaginal device
US9211217B2 (en) 2012-10-31 2015-12-15 Kimberly-Clark Worldwide, Inc. Method of manufacturing tampons by forming a softwind with contact elements
US9522087B2 (en) 2012-10-31 2016-12-20 Kimberly-Clark Worldwide, Inc. Method of manufacturing tampons with contact elements
US9883975B2 (en) 2008-05-06 2018-02-06 Edgewell Personal Care Brands, Llc Tampon pledget with improved by-pass leakage protection
US20180035713A1 (en) * 2016-08-02 2018-02-08 Altria Client Services Llc Collapsible fiber matrix reservoir for an e-vaping device
US10550752B2 (en) 2015-05-13 2020-02-04 Man Truck & Bus Se Pipe connection arrangement for connecting two pipe ends, in particular two pipe ends arranged in an exhaust line of a combustion engine

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DE3347649A1 (de) * 1983-12-30 1985-07-11 Johnson & Johnson GmbH, 4000 Düsseldorf Tampon fuer die frauenhygiene sowie verfahren und einrichtung zur herstellung desselben

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US2328795A (en) * 1940-06-19 1943-09-07 Frances W Finks Catamenial device
US3055369A (en) * 1957-08-15 1962-09-25 Personal Products Corp Absorbent product
US3051177A (en) * 1958-03-27 1962-08-28 Personal Products Corp Absorbent product
US3079921A (en) * 1959-04-17 1963-03-05 Johnson & Johnson Absorbent product

Cited By (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618605A (en) * 1969-11-12 1971-11-09 Jacob A Glassman Catamenial tampon
US3710793A (en) * 1971-05-17 1973-01-16 J Glassman Catamenial tampon
US4041948A (en) * 1976-07-26 1977-08-16 Johnson & Johnson Digital tampon
US4543098A (en) * 1982-12-23 1985-09-24 Kimberly-Clark Corporation Tampon with resilient component and microfiber insert
US4661101A (en) * 1984-05-18 1987-04-28 Vereinigte Papierwerke, Schickedanz & Co. Layered catamenial device
US4533145A (en) * 1984-08-22 1985-08-06 Liebman Bradley B Liquid absorbing playing piece
US4714466A (en) * 1985-01-25 1987-12-22 Kao Corporation Absorbent member for tampon
US5153971A (en) * 1991-11-26 1992-10-13 Kimberly-Clark Corporation Method of forming a curved tampon
US5350371A (en) * 1991-11-26 1994-09-27 Kimberly-Clark Corporation Catamenial tampon
US5817077A (en) * 1994-05-31 1998-10-06 Mcneil-Ppc, Inc. Vaginal moisure balance tampon and process
EP0685215A1 (de) 1994-05-31 1995-12-06 McNEIL-PPC, INC. Vaginaler Tampon mit ausbalancierter Feuchtigkeit und Verfahren
US20030055391A1 (en) * 1995-12-22 2003-03-20 Hien Nguyen Tampon having improved early expansion characteristics
US6748634B2 (en) * 1995-12-22 2004-06-15 Mcneil-Ppc, Inc. Tampon having improved early expansion characteristics
US6433246B1 (en) * 1995-12-22 2002-08-13 Mcneil-Ppc, Inc. Tampon having improved early expansion characteristics
US5928184A (en) * 1997-04-14 1999-07-27 Tampax Corporation Multi-layer absorbent article
US6177606B1 (en) * 1997-04-14 2001-01-23 Tambrands, Inc. Method of making a multi-layer absorbent article
US6315763B1 (en) * 1997-04-14 2001-11-13 Tambrands, Inc. Tampon
WO1999000096A1 (en) 1997-06-30 1999-01-07 Mcneil-Ppc, Inc. Tampon having an apertured film cover
US20020133135A1 (en) * 1997-06-30 2002-09-19 Carol Gell Tampon having an apertured film cover
US6465713B1 (en) 1997-06-30 2002-10-15 Mcneil-Ppc, Inc. Tampon having an apertured film cover
US6743212B1 (en) * 1997-12-23 2004-06-01 Mcneil, Ppc, Inc. Multi-layered tampon cover
US6191341B1 (en) * 1998-04-21 2001-02-20 Ronald D. Shippert Medical absorbent pack substantially free of unwanted adhesion properties
EP1064901A3 (de) * 1999-07-02 2001-08-08 Uni-Charm Corporation Vaginaltampon
US6719743B1 (en) 1999-07-02 2004-04-13 Uni-Charm Corporation Sanitary tampon
AU757643B2 (en) * 1999-07-02 2003-02-27 Uni-Charm Corporation Sanitary tampon
EP1839633A3 (de) * 1999-07-02 2010-07-14 Uni-Charm Corporation Vaginaltampon
EP1839633A2 (de) * 1999-07-02 2007-10-03 Uni-Charm Corporation Vaginaltampon
KR100693856B1 (ko) 1999-07-02 2007-03-14 유니챰 가부시키가이샤 생리용 탐폰
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Publication number Publication date
DE1491170B2 (de) 1978-10-05
DE1491170A1 (de) 1969-07-17
DE1491170C3 (de) 1979-05-31

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