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Convertible sanitary napkin

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US3183909A
US3183909A US22578362A US3183909A US 3183909 A US3183909 A US 3183909A US 22578362 A US22578362 A US 22578362A US 3183909 A US3183909 A US 3183909A
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Prior art keywords
pad
napkin
sanitary
pads
wrapper
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Roehr Walter Glynn
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Kimberly-Clark Corp
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Kimberly-Clark Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47Sanitary towels, incontinence pads or napkins
    • A61F13/472Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A61F13/47218Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
    • A61F13/47227Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump for interlabial use
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47Sanitary towels, incontinence pads or napkins
    • A61F13/474Sanitary towels, incontinence pads or napkins adjustable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47Sanitary towels, incontinence pads or napkins
    • A61F13/472Sanitary towels, incontinence pads or napkins specially adapted for female use
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511Topsheet, i.e. the permeable cover or layer facing the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/539Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51355Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability for improving fluid flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530131Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F2013/53445Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad from several sheets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F2013/53721Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/539Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers
    • A61F2013/53966Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers by needling, sewing, blow-needling

Description

W. G. ROEHR CONVERTIBLE SANITARY NAPKIN May 1s, 1965 2 Sheets-Sheet 1 Filed Sept, 24, 1962 May 18, 1965 w. G. ROEHR 3,183,909

CONVERTIBLE SANITARY NAPKIN Filed Sept. 24, 1962 2 Sheets-Sheet 2 amm.

i United States Patent Ofi ice aisance Patented May 18, 1965 Filed Sept. 24, 1962, Ser. No. 225,783 Claims. (Cl. 12S-290) This invention relates to improvements in sanitary napkins.

A primary object of the invention resides in the provision of a sanitary napkin of an improved structure permitting use thereof either as a conventional externally Worn type or alternately as a semi-internal or vestibule type.

Another object is to provide an improved sanitary napkin which includes in addition to a main fluid absorbent element a secondary absorbent element which may easily be converted by a user from a planar configuration adapted for external use into `a rib-like configuration adapted for semi-internal use.

Another object is to provide an improved sanitary napkin of the vestibule type which may be shipped at and converted by the user.

Another object is to` provide an improved sanitary napkin of the vestibule type having improved absorbency of the rib-like element. K

Other objects and advantages will become apparent to persons skilled in the art upon` examination of the specilication and drawings.

In `the drawings, in which like the same reference numerals,

FIG. 1 illustrates in perspective a sanitarynapkin ncorporating the inventionshowing an auxiliary pad in flat configuration.

FIG. 2 fragmentarily illustrates in perspective the sanitary napkin of FIG. 1 with the auxiliary pad converted for internal use. 1

FIG. 3 is a sectional view of the sanitary napkin of FIG. 1 taken along 3-3 thereof.

parts are identified by FIG. 4 is a sectional View `of a sanitary napkin similar to that shown'in FIG. 1 but incorporating an alternate embodiment of the invention. p

FIG. 5 illustrates a Vsanitary napkin incorporating still another embodiment of the invention.

While a large percentage of the current users of sani` amnapkins of a configuration adapted for partial insertion Within the vestibule. The semi-internal form of napkin is well-known as exemplified by U.S. Patent Re. 24,137,

sorbent pad 14, also of planar configuration, is disposed closely adjacent pad 12, both pads being enclosed in a fluid pervious wrapping material 16 which extends beyond opposite ends of pad 12 in a known manner to form tab ends for securing the napkin in position during use.

As best shown in FIG. 3, wrapper 16 eneloses the outermost face of auxiliarypad 14 and is drawn inwardly along opposite side margins of both pads to form a pair ofV pleats 18, 20 enclosing the side edges of each pad and overlapped Ialong the central area as shown at 22.

A line of sewing 26 extends through both pads 12, 14 and through all of the centrally disposed layers of the wrapper material 16 securely bonding both pads together, and also bonding the wrapper material thereto along the medial area of the pads. Pads 12, 14, shown slightly spaced apart in FIG. 3 to best illustrate the construction, are actually contiguously engaged through central portions thereof. Wrapper pleats 18, 26 while disposed intermediate the contiguous pads and overlapped through a medial area cause no appreciable inter-pad spacing, since the wrapper is of `a very light weight material. Wrapper 16 thereafter extends outwardly of Vpleats 18, 20 and downwardly as shown to enclose the remainder of pad 12. Portions of wrapper 16 are overlapped centrally of the bottom surface of pad 12 as shown at 24, and those overlapped portions are interconnected by the above mentioned stitching 26 which thus maintains the wrapper and the enclosed pads 12, 14 in unitary assembly.

In the alternate construction of FIG. 4 both the major .absorbent pad 12a and the auxiliary pad 14a are individually `wrapped in a known manner with the wrapping materialbeing longitudinally overlapped along central portions'of the bottom pad surfaces. The enclosed pads are symmetrically disposed in respect to their center lines as in the structure of FIGS, 1 and 3, and are also maintained in unitary assembly by a similar line of sewing 26a or the like extending along a-common medial plane.

A further embodiment of the invention, as shown in FIG. 5, resembles somewhat the construction of the structure of FIGS. 1 and 3 except that the common wrapper material 16b is only partially inpleated intermediate the primary absorbent pad 12b and the yauxiliary pad 1411 with a centrally disposed space extending longitudinally between the margins of inpleated portions. While the inpleated pad material may be lightly bonded either -to the upper surface of pad 12b or to the lower surface of pad 14b or to both said surfaces, such bonding is not essential y in all instances and may be omitted if both the pad and issued on April 3, 1956,'to W. G. Jacks. The semi-intery nal or vestibule type napkin is often preferred by users who experience heavy ow or by users who may prefer the semi-internal type only during a period of heavy flow and who prefer thev externally worn type during the remainder ofthe menstrual period. Since the same users v may thus alternate between the external and the semiinternal types of sanitary napkins, the advantages attendant an improved napkin readily converted from an exter-y nal to a semi-internal type become obvious.

The present invention fills the above need by providing 'a sanitary napkin of Very simple construction which though primarily designed and initially fabricated and sold as the externally worn type, may quickly and easily be converted by the ultimate user into a semi-internally worn type.

As shown in FIG. 1, a sanitary napkinV 10 includes a primary fluid absorbent element 12 such as `an elongate pad of flu or a combination of uif and creped wadding of generally planar configuration. A secondary fluid abthe wrapper materials are such that the wrapper clings to the pad surfaces. For example, with pads 12b and 14b formed of a cotton fluff and the wrapper material formed of light weight scrim upon which is deposited an applique of cotton fibers, adherence between the wrapper material and the pad surfaces is suicient to maintain the pleated wrapper portions between the pads both prior to use and during conversion of the napkin from external to semi-internal use. Y

FIG. 2 illustrates sanitary napkin 10 with pad 14 converted for semi-internal use. Conversion is effected by manually folding upwardly the symmetrically divided half portions of pad 14 about the line of sewing 216 which serves as a folding axis.` The half portions of auxiliary pad 14, when folded upwardly in substantially right angularity to the upper surface of the major absorbent pad 12 del-lne an elongate rib-like element adapted for insertion into the vestibule. The symmetrically tapered ends of pad 14 provide a relieved contour at the forward end of the napkin for improved conformance with the anatomy.

While the FIG. 4 structure is easily converted in a like manner from flat to vestibule type, the structure of FIG. 5,

Y lines by sewing.

since not provided with a fixed medial line of stitching, is manually foldable in a similar manner to effect a like result. Auxiliarypad 1417, since not directly attached to the major pad 12b, may be lifted slightly above pad 12b and is then easily folded along its center line. During use the rnajor and auxiliary pads are maintained in pressure engagement by pressure Iappliedrto the major pad by a users belt or other attachment device which engages the tab ends. WhileFIGS. 1-4 illustrate a preferred embodiment which perhaps is somewhat more rapidly converted for vestibule use than is the FIG. 5 structure, a relative lateral movement is possible between the major and the auxiliary pads of the FIG. 5 structure, even when worn as a semi-internal napkin, and that feature is considered advantageous by some users.

As is well-known, iluid migration within an absorbent element comprising a plurality of sheets of creped wadding progresses more rapidly in planes parallel to the sheets than in planes normal to or obliquely through the sheets.

Accordingly, when pad 14 is folded upwardly for vestibule use, the pad portions are positioned with the edges of the individual sheets of creped wadding directed toward the Huid source, thereby promoting rapid iluid absorption towardpad 12. Upon becoming uid saturated, pad 14 serves as an effective wick through which the menstrual fluids are transferred directly to the major absorbent pad 12. Y v

In the claims:

1. A convertible sanitary napkin comprising a first elongate `absorbent pad, a light weight Wrapper of fluid pervious material enclosing said first pad, a second elongate absorbent pad of lesser thickness than said first pad, a light weight wrapper of fluid pervious material enclosing said Vsecond pad, said pads being maintained Vwith their longitudinal center lines in registered engagement by interbonding extending along the respective center line t pad areas, whereby said second pad may be folded along its longitudinal center line to provide an outwardly extending rib-like vestibule element.

2. The sanitary napkin of claim 1i wherein said iirst and second pads are interbonded along their registered center 3. The sanitary napkin of claim 1 wherein said first and second pads are adhesively interbonded along their second pads, said wrapper being longitudinally inpleated along the entire length of the sides of both said pads to extend inwardly between both pads a suficient distance to permit said second pad to be folded upwardly along its longitudinal center line when desired to convert said sanitary napkin from conventional to vestibule configuration, thereby to provide an elongate rib-like vestibule element extending along the adjacent surfaceof said iirst pad.

5. A convertible sanitary napkin comprising a first elongate absorbent pad of generally planar coniiguration, a second elongate absorbent pad of generally planar conguration positioned in symmetrically juxtaposed relation thereover, said first and second pads being interbonded along their registered center line areas, and a lightweight wrapper of fluid-pervious material, said Wrapper completely enclosing and maintaining in unitary assembly said rst and second pads with portions thereof inpleated marginally of opposite sides of said pads and extending therebetween to enclose the side edges of each pad and to provide reserve wrapper material between said pads adapted to unfold as required when said sanitary napkin is converted from conventional to vestibule configuration by outward folding of said second pad along its longitudinal center line, thereby to provide an elongate rib-like vestibule element extending alongthe adjacent surface of said first pad.

6. The sanitary napkin of claim 5 wherein said iirst and second absorbent pads are sewed along the registered center line areas.

7. The sanitary napkin of claim 5 wherein said iirst and second. absorbent pads are adhesively bonded along the registered center line areas. Y

8. The sanitary napkin of claim 5 wherein said second pad is of lesser width than said iirst pad.

9. The sanitary napkin of claim 5 wherein said second pad is of lesser length than said first pad.

10. The sanitary napkin of claim 5 wherein said second pad is of lesser thickness than said iirst pad.

References Cited by the Examiner UNITED STATES PATENTS RICHARD A. GAUDET, Primary Examiner.

YJORDAN FRANKLIN, Examiner.Y

Claims (1)

1. A CONVERTIBLE SANITARY NAPKIN COMPRISING A FIRST ELONGATED ABSORBENT PAD, A LIGHT WEIGHT WRAPPER OF FLUID PERVIOUS MATERIAL ENCLOSING SAID FIRST PAD, A SECOND ELONGATE ABSORBENT PAD OF LESSER THICKNESS THAN SAID FIRST PAD, A LIGHT WEIGHT WRAPPER OF FLUID PERVIOUS MATERIAL ENCLOSING SAID SECOND PAD, SAID PADS BEING MAINTAINED WITH THEIR LONGITUDINAL CENTER LINES IN REGISTERED ENGAGEMENT BY INTERBONDING EXTENDING ALONG THE RESPECTIVE CENTER LINE PAD AREA, WHEREBY SAID SECOND PAD MAY BE FOLDED ALONG ITS LONGITUDINAL CENTER LINE TO PROVIDE AN OUTWARDLY EXTENDING RIB-LIKE VESTIBULE ELEMENT.
US3183909A 1962-09-24 1962-09-24 Convertible sanitary napkin Expired - Lifetime US3183909A (en)

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Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307550A (en) * 1964-01-07 1967-03-07 Deering Milliken Res Corp Diaper
US3406689A (en) * 1965-05-28 1968-10-22 Melvin E. Hicks Sanitary napkin system
US3420234A (en) * 1965-10-23 1969-01-07 John T Phelps Combined sanitary pad and catamenial tampon
US3521639A (en) * 1966-12-07 1970-07-28 Curt G Joa Sanitary napkin with completely wrapped filler pad
US3983873A (en) * 1974-07-03 1976-10-05 Hirschman Shalom Z Feminine hygienic pad
US4046147A (en) * 1976-08-05 1977-09-06 Cecilia Berg Sanitary napkin
FR2420339A1 (en) * 1978-03-20 1979-10-19 Beghin Say Sa Protective pad for menstrual and pathological flow - has contour conforming better to feminine anatomy with vulvar tampon
FR2449444A1 (en) * 1979-02-26 1980-09-19 Bove Canal Jose compress hygienic
US4623341A (en) * 1983-09-06 1986-11-18 Kimberly-Clark Corporation Feminine napkin with unsecured top layer
US4631062A (en) * 1984-09-27 1986-12-23 Kimberly-Clark Corporation Labial sanitary pad
US4673403A (en) * 1985-10-30 1987-06-16 Kimberly-Clark Corporation Method and pad allowing improved placement of catamenial device
US4743245A (en) * 1985-03-01 1988-05-10 Kimberly-Clark Corporation Labial sanitary pad
WO1990004956A1 (en) * 1988-11-07 1990-05-17 Beverley Carol Muller Sanitary napkin
US5057096A (en) * 1990-06-21 1991-10-15 Faglione Frances M Genital-vulva pad sanitary napkin construction
US5169394A (en) * 1991-08-27 1992-12-08 Jean Lai D Feminine sanitary napkin
US5259902A (en) * 1992-09-04 1993-11-09 The Procter & Gamble Company Method for continuously attaching tensioned elastic material to an absorbent article
US5295988A (en) * 1992-09-04 1994-03-22 The Procter & Gamble Company Individually wrapped disposable absorbent article which becomes elasticized when unwrapped
US5429629A (en) * 1989-05-08 1995-07-04 Kimberly-Clark Corporation Absorbent structure having improved fluid surge management and product incorporating same
WO1996005790A1 (en) * 1994-08-19 1996-02-29 The Procter & Gamble Company Anatomically shaped compound sanitary napkin
WO1996007379A1 (en) * 1994-09-09 1996-03-14 Rita Palmira Azzali Vestibular anatomically-shaped sanitary pad for women
US5545156A (en) * 1994-12-22 1996-08-13 Kimberly-Clark Corporation Absorbent article having a preformed member
US5558656A (en) * 1993-12-20 1996-09-24 The Procter & Gamble Company Sanitary napkin having an internal shaping component
USH1614H (en) * 1994-08-19 1996-11-05 Mayer; Katherine L. Body fitting compound sanitary napkin
US5591148A (en) * 1994-04-08 1997-01-07 The Procter & Gamble Company Sanitary napkin having an independently displaceable central core segment
USH1634H (en) * 1995-02-24 1997-02-04 Oetjen; David C. Compound sanitary napkin
WO1997009014A1 (en) * 1995-09-06 1997-03-13 SCA Mölnlycke AB Absorbent product for receiving body fluids
US5613961A (en) * 1994-12-30 1997-03-25 Kimberly-Clark Corporation Thin, curved absorbent article having elasticized edges
US5624421A (en) * 1989-11-03 1997-04-29 Mcneill-Ppc, Inc. Absorbent products having flexible hydrophilic wick means
US5624423A (en) * 1994-11-30 1997-04-29 Kimberly-Clark Corporation Absorbent article having barrier means and medial bulge
US5672165A (en) * 1992-10-19 1997-09-30 Belecky; June Marian Menstrual hygiene product
USH1687H (en) * 1995-05-04 1997-10-07 The Procter & Gamble Company Gluteal groove blocking device for diapers
US5695324A (en) * 1995-03-06 1997-12-09 The Procter & Gamble Company Body conforming compound sanitary napkin
US5707364A (en) * 1993-08-11 1998-01-13 Tailored Technologies, Inc. Tailored and protective undergarments
US5743896A (en) * 1995-12-07 1998-04-28 Parker; Beverly Marie Sanitary napkin having a protrusion insertable into the posterior rugae of the buttocks
US5762644A (en) * 1996-08-30 1998-06-09 The Procter & Gamble Company Toilet-disposable absorbent interlabial device
US5827258A (en) * 1997-07-25 1998-10-27 The Procter & Gamble Company Adjustable compound sanitary napkin
US5853401A (en) * 1994-08-19 1998-12-29 The Procter & Gamble Company Body-fitting compound sanitary napkin
US5895381A (en) * 1997-01-03 1999-04-20 The Procter & Gamble Company Absorbent interlabial device with flexible extensions
WO1999026577A1 (en) * 1997-11-26 1999-06-03 The Procter & Gamble Company Absorbent interlabial article
US5961508A (en) * 1994-08-19 1999-10-05 The Proctor & Gamble Company Body-fitting compound sanitary napkin
US5964689A (en) * 1996-08-30 1999-10-12 The Procter & Gamble Company Method of making an absorbent interlabial device with a central groove
US5968026A (en) * 1996-08-30 1999-10-19 The Procter & Gamble Company Absorbent interlabial device
WO1999055269A1 (en) * 1998-04-27 1999-11-04 The Procter & Gamble Company Sanitary napkin comprising longitudinally-oriented absorbent hump having distinctive hump-forming element configuration
WO1999055272A1 (en) * 1998-04-27 1999-11-04 The Procter & Gamble Company Sanitary napkin comprising three-dimensionally shaped tube of absorbent material
US6171291B1 (en) 1990-10-29 2001-01-09 The Procter & Gamble Company Generally thin, flexible, sanitary napkin with central absorbent hump
US6183456B1 (en) 1997-06-16 2001-02-06 The Procter & Gamble Company Feminine hygiene system and kit using an absorbent interlabial device
US6183587B1 (en) 1997-11-26 2001-02-06 The Procter & Gamble Company Method of making sanitary napkin comprising three dimensionally shaped tube of absorbent material
US6348047B1 (en) * 2000-03-10 2002-02-19 Vernice J. Harper Feminine hygiene article with upstanding member
US6355022B1 (en) 1998-05-01 2002-03-12 The Procter & Gamble Company Absorbent interlabial device with substance thereon for maintaining the device in position
US6392117B1 (en) 1994-08-19 2002-05-21 The Procter & Gamble Company Body fitting compound sanitary napkin
US6395956B1 (en) 1999-11-08 2002-05-28 Mcneil-Ppc, Inc. Compound sanitary napkin
US6409713B1 (en) 1996-08-30 2002-06-25 The Procter & Gamble Company Emollient-treated absorbent interlabial application
US6475199B1 (en) 1998-04-27 2002-11-05 The Procter & Gamble Company Method of individually packaging a three dimensionally-shaped absorbent article
WO2002094161A1 (en) 2001-05-22 2002-11-28 Uni-Charm Corporation Interlabial pad and package thereof
US20020193773A1 (en) * 2001-06-08 2002-12-19 Edens Ronald L. Finger-receiving area for a labial pad
US6620144B1 (en) 1999-11-08 2003-09-16 Mcneil-Ppc, Inc. Compound napkin
US6632210B1 (en) * 2000-12-22 2003-10-14 Neil-Ppc, Inc. Sanitary napkin with intergluteal strip
US6652498B1 (en) 1999-11-08 2003-11-25 Mcneil-Ppc, Inc. Tapered compound sanitary napkin
US6702796B2 (en) 2001-03-26 2004-03-09 The Procter & Gamble Company Absorbent interlabial device having an improved tab
US6890325B2 (en) 2001-06-08 2005-05-10 Kimberly-Clark Worldwide, Inc. Labial pad having a tab
US20050137554A1 (en) * 2003-12-09 2005-06-23 Uni-Charm Corporation Interlabial pad and individual wrapping container
US6923795B1 (en) * 2001-11-09 2005-08-02 April Lu Cantley System and method for absorbing excess menstrual flow
US7115116B2 (en) 2001-06-08 2006-10-03 Kimberly-Clark Worldwide, Inc. Labial pad having various means
US7288080B2 (en) 2001-06-08 2007-10-30 Kimberly-Clark Worldwide, Inc. Labial pad
US20090088716A1 (en) * 2007-10-01 2009-04-02 Oriyomi Nwokeji Article for absorption of human exudate
US20090204095A1 (en) * 2008-02-13 2009-08-13 Mcdaniel Mary Lou Compound absorbent article with improved body contact

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US2331355A (en) * 1941-09-18 1943-10-12 Herman L Strongson Catamenial pad
US2918065A (en) * 1952-01-02 1959-12-22 Personal Products Corp Sanitary napkin and method of making it
US2683457A (en) * 1952-07-29 1954-07-13 Eleanor M Cunningham Sanitary napkin
US2965102A (en) * 1956-04-27 1960-12-20 Kimberly Clark Co Sanitary napkin
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Cited By (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307550A (en) * 1964-01-07 1967-03-07 Deering Milliken Res Corp Diaper
US3406689A (en) * 1965-05-28 1968-10-22 Melvin E. Hicks Sanitary napkin system
US3420234A (en) * 1965-10-23 1969-01-07 John T Phelps Combined sanitary pad and catamenial tampon
US3521639A (en) * 1966-12-07 1970-07-28 Curt G Joa Sanitary napkin with completely wrapped filler pad
US3983873A (en) * 1974-07-03 1976-10-05 Hirschman Shalom Z Feminine hygienic pad
US4046147A (en) * 1976-08-05 1977-09-06 Cecilia Berg Sanitary napkin
FR2420339A1 (en) * 1978-03-20 1979-10-19 Beghin Say Sa Protective pad for menstrual and pathological flow - has contour conforming better to feminine anatomy with vulvar tampon
FR2449444A1 (en) * 1979-02-26 1980-09-19 Bove Canal Jose compress hygienic
US4623341A (en) * 1983-09-06 1986-11-18 Kimberly-Clark Corporation Feminine napkin with unsecured top layer
US4631062A (en) * 1984-09-27 1986-12-23 Kimberly-Clark Corporation Labial sanitary pad
US4743245A (en) * 1985-03-01 1988-05-10 Kimberly-Clark Corporation Labial sanitary pad
US4673403A (en) * 1985-10-30 1987-06-16 Kimberly-Clark Corporation Method and pad allowing improved placement of catamenial device
WO1990004956A1 (en) * 1988-11-07 1990-05-17 Beverley Carol Muller Sanitary napkin
US5429629A (en) * 1989-05-08 1995-07-04 Kimberly-Clark Corporation Absorbent structure having improved fluid surge management and product incorporating same
US5624421A (en) * 1989-11-03 1997-04-29 Mcneill-Ppc, Inc. Absorbent products having flexible hydrophilic wick means
US5057096A (en) * 1990-06-21 1991-10-15 Faglione Frances M Genital-vulva pad sanitary napkin construction
DE4130687A1 (en) * 1990-06-21 1993-03-18 Frances M Faglione Genital vulvakissen / hygiene tie-construction
FR2682032A1 (en) * 1990-06-21 1993-04-09 Bongiorno Frances Sanitary towel/vulvar tampon assembly
US6171291B1 (en) 1990-10-29 2001-01-09 The Procter & Gamble Company Generally thin, flexible, sanitary napkin with central absorbent hump
FR2697431A1 (en) * 1991-08-27 1994-05-06 Jean Lai Dyi sanitary towel.
US5169394A (en) * 1991-08-27 1992-12-08 Jean Lai D Feminine sanitary napkin
US5295988A (en) * 1992-09-04 1994-03-22 The Procter & Gamble Company Individually wrapped disposable absorbent article which becomes elasticized when unwrapped
US5259902A (en) * 1992-09-04 1993-11-09 The Procter & Gamble Company Method for continuously attaching tensioned elastic material to an absorbent article
US5672165A (en) * 1992-10-19 1997-09-30 Belecky; June Marian Menstrual hygiene product
US5707364A (en) * 1993-08-11 1998-01-13 Tailored Technologies, Inc. Tailored and protective undergarments
US5814037A (en) * 1993-08-11 1998-09-29 Tailored Technologies, Inc. Tailored and protective undergarments
US5558656A (en) * 1993-12-20 1996-09-24 The Procter & Gamble Company Sanitary napkin having an internal shaping component
US5591148A (en) * 1994-04-08 1997-01-07 The Procter & Gamble Company Sanitary napkin having an independently displaceable central core segment
USH1614H (en) * 1994-08-19 1996-11-05 Mayer; Katherine L. Body fitting compound sanitary napkin
US5961508A (en) * 1994-08-19 1999-10-05 The Proctor & Gamble Company Body-fitting compound sanitary napkin
US6392117B1 (en) 1994-08-19 2002-05-21 The Procter & Gamble Company Body fitting compound sanitary napkin
US5853401A (en) * 1994-08-19 1998-12-29 The Procter & Gamble Company Body-fitting compound sanitary napkin
WO1996005790A1 (en) * 1994-08-19 1996-02-29 The Procter & Gamble Company Anatomically shaped compound sanitary napkin
WO1996007379A1 (en) * 1994-09-09 1996-03-14 Rita Palmira Azzali Vestibular anatomically-shaped sanitary pad for women
US5624423A (en) * 1994-11-30 1997-04-29 Kimberly-Clark Corporation Absorbent article having barrier means and medial bulge
US5545156A (en) * 1994-12-22 1996-08-13 Kimberly-Clark Corporation Absorbent article having a preformed member
US5613961A (en) * 1994-12-30 1997-03-25 Kimberly-Clark Corporation Thin, curved absorbent article having elasticized edges
USH1634H (en) * 1995-02-24 1997-02-04 Oetjen; David C. Compound sanitary napkin
US5695324A (en) * 1995-03-06 1997-12-09 The Procter & Gamble Company Body conforming compound sanitary napkin
USH1687H (en) * 1995-05-04 1997-10-07 The Procter & Gamble Company Gluteal groove blocking device for diapers
WO1997009014A1 (en) * 1995-09-06 1997-03-13 SCA Mölnlycke AB Absorbent product for receiving body fluids
DE19681558B4 (en) * 1995-09-06 2006-04-20 Sca Hygiene Products Ab An absorbent article for absorbing body fluids
GB2320436A (en) * 1995-09-06 1998-06-24 Moelnlycke Ab Absorbent product for receiving body fluids
US6114597A (en) * 1995-09-06 2000-09-05 Sca Hygiene Products Ab Absorbent product for receiving body fluids
GB2320436B (en) * 1995-09-06 1999-06-30 Moelnlycke Ab Absorbent product for receiving body fluids
US5743896A (en) * 1995-12-07 1998-04-28 Parker; Beverly Marie Sanitary napkin having a protrusion insertable into the posterior rugae of the buttocks
US6033391A (en) * 1996-08-30 2000-03-07 The Procter & Gamble Company Toilet-disposable absorbent interlabial device
US5968026A (en) * 1996-08-30 1999-10-19 The Procter & Gamble Company Absorbent interlabial device
US6409713B1 (en) 1996-08-30 2002-06-25 The Procter & Gamble Company Emollient-treated absorbent interlabial application
US5762644A (en) * 1996-08-30 1998-06-09 The Procter & Gamble Company Toilet-disposable absorbent interlabial device
US5964689A (en) * 1996-08-30 1999-10-12 The Procter & Gamble Company Method of making an absorbent interlabial device with a central groove
US5895381A (en) * 1997-01-03 1999-04-20 The Procter & Gamble Company Absorbent interlabial device with flexible extensions
US6123693A (en) * 1997-01-03 2000-09-26 The Procter & Gamble Company Absorbent interlabial device with flexible extensions
US6183456B1 (en) 1997-06-16 2001-02-06 The Procter & Gamble Company Feminine hygiene system and kit using an absorbent interlabial device
US5827258A (en) * 1997-07-25 1998-10-27 The Procter & Gamble Company Adjustable compound sanitary napkin
WO1999026577A1 (en) * 1997-11-26 1999-06-03 The Procter & Gamble Company Absorbent interlabial article
US6183587B1 (en) 1997-11-26 2001-02-06 The Procter & Gamble Company Method of making sanitary napkin comprising three dimensionally shaped tube of absorbent material
WO1999055269A1 (en) * 1998-04-27 1999-11-04 The Procter & Gamble Company Sanitary napkin comprising longitudinally-oriented absorbent hump having distinctive hump-forming element configuration
US6475199B1 (en) 1998-04-27 2002-11-05 The Procter & Gamble Company Method of individually packaging a three dimensionally-shaped absorbent article
WO1999055272A1 (en) * 1998-04-27 1999-11-04 The Procter & Gamble Company Sanitary napkin comprising three-dimensionally shaped tube of absorbent material
US6316688B1 (en) 1998-04-27 2001-11-13 The Procter & Gamble Company Sanitary napkin comprising three dimensionally shaped tube of absorbent material
US6355022B1 (en) 1998-05-01 2002-03-12 The Procter & Gamble Company Absorbent interlabial device with substance thereon for maintaining the device in position
US6620144B1 (en) 1999-11-08 2003-09-16 Mcneil-Ppc, Inc. Compound napkin
US6395956B1 (en) 1999-11-08 2002-05-28 Mcneil-Ppc, Inc. Compound sanitary napkin
US6652498B1 (en) 1999-11-08 2003-11-25 Mcneil-Ppc, Inc. Tapered compound sanitary napkin
US6348047B1 (en) * 2000-03-10 2002-02-19 Vernice J. Harper Feminine hygiene article with upstanding member
US6632210B1 (en) * 2000-12-22 2003-10-14 Neil-Ppc, Inc. Sanitary napkin with intergluteal strip
US6702796B2 (en) 2001-03-26 2004-03-09 The Procter & Gamble Company Absorbent interlabial device having an improved tab
WO2002094161A1 (en) 2001-05-22 2002-11-28 Uni-Charm Corporation Interlabial pad and package thereof
US20090030394A1 (en) * 2001-05-22 2009-01-29 Uni-Charm Corporation Interlabial pad and package thereof
EP1407744A1 (en) * 2001-05-22 2004-04-14 Uni-Charm Corporation Interlabial pad and package thereof
US8328781B2 (en) 2001-05-22 2012-12-11 Uni-Charm Corporation Interlabial pad and package thereof
EP1407744A4 (en) * 2001-05-22 2005-01-19 Uni Charm Corp Interlabial pad and package thereof
US20040147896A1 (en) * 2001-05-22 2004-07-29 Uni-Charm Corporation Interlabial pad and package thereof
US7115116B2 (en) 2001-06-08 2006-10-03 Kimberly-Clark Worldwide, Inc. Labial pad having various means
US20020193773A1 (en) * 2001-06-08 2002-12-19 Edens Ronald L. Finger-receiving area for a labial pad
US6890325B2 (en) 2001-06-08 2005-05-10 Kimberly-Clark Worldwide, Inc. Labial pad having a tab
US7288080B2 (en) 2001-06-08 2007-10-30 Kimberly-Clark Worldwide, Inc. Labial pad
US6923795B1 (en) * 2001-11-09 2005-08-02 April Lu Cantley System and method for absorbing excess menstrual flow
US20050137554A1 (en) * 2003-12-09 2005-06-23 Uni-Charm Corporation Interlabial pad and individual wrapping container
US20090088716A1 (en) * 2007-10-01 2009-04-02 Oriyomi Nwokeji Article for absorption of human exudate
US20090204095A1 (en) * 2008-02-13 2009-08-13 Mcdaniel Mary Lou Compound absorbent article with improved body contact
US7976525B2 (en) 2008-02-13 2011-07-12 Kimberly-Clark Worldwide, Inc. Compound absorbent article with improved body contact

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