EP0633759A4 - DIRECT DIGITAL SYNTHETIZER FOR MODULATION. - Google Patents

DIRECT DIGITAL SYNTHETIZER FOR MODULATION.

Info

Publication number
EP0633759A4
EP0633759A4 EP93907564A EP93907564A EP0633759A4 EP 0633759 A4 EP0633759 A4 EP 0633759A4 EP 93907564 A EP93907564 A EP 93907564A EP 93907564 A EP93907564 A EP 93907564A EP 0633759 A4 EP0633759 A4 EP 0633759A4
Authority
EP
European Patent Office
Prior art keywords
sanitary napkin
topsheet
core
barrier means
backsheet
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.)
Ceased
Application number
EP93907564A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0633759A1 (en
Inventor
John David Roberts
Claude Paul Mancel
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP93907564A priority Critical patent/EP0633759A4/en
Publication of EP0633759A1 publication Critical patent/EP0633759A1/en
Publication of EP0633759A4 publication Critical patent/EP0633759A4/en
Ceased legal-status Critical Current

Links

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
    • A61F13/45—Absorbent 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4752—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier
    • 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
    • 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
    • A61F13/45—Absorbent 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4752—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier
    • A61F13/4753—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier the barrier being not integral with the topsheet or backsheet
    • 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
    • A61F13/45—Absorbent 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/476—Sanitary towels, incontinence pads or napkins characterised by encircling the crotch region of the undergarment
    • 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
    • A61F13/51—Absorbent 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
    • A61F13/515—Absorbent 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 characterised by the interconnection of the topsheet and the backsheet
    • 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
    • A61F13/45—Absorbent 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
    • 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
    • A61F13/51—Absorbent 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
    • 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
    • A61F13/56—Supporting or fastening means
    • A61F13/58—Adhesive tab fastener elements
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15365—Dimensions
    • 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
    • A61F13/45—Absorbent 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F2013/4948—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being elastic
    • 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
    • A61F13/45—Absorbent 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F2013/49486—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being padded
    • 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
    • A61F13/51—Absorbent 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
    • A61F2013/51059—Absorbent 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 being sprayed with chemicals
    • A61F2013/51066—Absorbent 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 being sprayed with chemicals for rendering the surface hydrophilic
    • 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
    • A61F13/51—Absorbent 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
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • 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
    • A61F13/53—Absorbent 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
    • A61F2013/530007—Absorbent 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 from pulp

Definitions

  • the barrier means can also comprise a foam strip which is glued, or otherwise connected, between the topsheet and the core or which is glued on top of the topsheet.
  • Topsheet 214 is liquid permeable and, when sanitary napkin 210 is in use, is in close proximity to the skin of the user. Topsheet 214 is compliant, soft feeling and non-irritating to the user's skin. It can be made from any of the materials conventional for this type of use. Non-limiting examples of suitable materials that can be used as topsheet 214 are woven and nonwoven polyester, polypropylene, nylon, and rayon and formed thermoplastic films; formed films are preferred. Suitable formed films are described un U.S. Pat. No. 4,324,246 issued to Mullane and Smith on Apr. 13, 1982 and U.S. Pat. No. 4,342,314 issued to Radel and Thompson on Aug. 3, 1982, both of which patents are incorporated herein by reference.
  • central pad adhesive 220 should be covered with central pad release liner 222 to keep the adhesive from drying out and to keep it from sticking to extraneous surfaces prior to use.
  • Any commercially available release liner commonly used for such purposes can be used herein.
  • suitable release liners are BL 30 MG-A Silox El/0 and BL 30 MG-A Silox 4 P/O both of which are manufactured by the Akrosil Corporation.
  • Flap adhesive 236 is an adhesive attachment means which is used to assist in maintaining flap 234 in position after it is wrapped around the edge of the crotch portion of a panty as described below. Any adhesive used for central pad adhesive 220 can be used as flap adhesive 236. Also, flap adhesive 236 is covered with a removable flap release liner 238. Any release liner material used for central pad release liner 222 can be used for flap release liner 238.
  • Topsheet 214 can be secured to backsheet 218 along lines of juncture 226 and 226' by any of the techniques used to form seam 239.
  • Second axis of flexibility 234 is so constructed as to allow the flap to bend along second axis of flexibility 234.
  • the direction of the bend is downward when sanitary napkin 210 is in the configuration of FIG. 2. More generally, the direction of the bend is such that that portion of the flap 224 containing distal edge 278 rotates about second axis of flexibility 234 in an arc generally from its extended position, as shown in FIG. 2, toward the liquid impervious surface of the absorbent means (as represented in FIG. 2 by that portion of backsheet 218 in register with absorbent core 216 as comprising central absorbent pad 212) and away from the fluid pervious body contacting surface of the absorbent means (as represented in FIG. 2 by that portion of topsheet 214 in register with absorbent core 216).
  • flap 224 permits flap 224 to be positioned around the edge of the crotch portion of a panty without having to alter the natural path of the edge of the crotch portion of a panty. thus, the edge of the crotch portion of a panty need not be stretched to fit to the second flexible axis of the flap. Furthermore, the natural path of the edge of the crotch portion of a panty results, when the sanitary napkin is in place for use, in the highest wall (described below) being formed; this, in turn, provides the greatest barrier to flow of the menstrual fluid.
  • FIG. 8 is an undergarment of the type commonly worn by many women and well known as a panty. It comprises front section 240, back section 242, and crotch portion 244 which joins front and back sections 240 and 242. Crotch portion 244 comprises two side edges 246 and 246' and center crotch portion 248.
  • the edge of the crotch portion of a panty generally contains an elastic material.
  • the elastic of the edge of the crotch portion When a panty is worn, the elastic of the edge of the crotch portion generates an upward force, i.e. against the body, due to the energy in the elastic and the fit of the panty.
  • the placement of the second axis of flexibility, such as second axes of flexibility 234 and 234', between the body and the edges of the crotch portion of the panty results in the upward force generated by the edge of the crotch portion of the panty pushing the portion of the flaps containing the second axes of flexibility snugly against the body. This results in a gasket-like-seal being formed along the axes of flexibility between the flaps and the body.
  • FIG. 10 is a fragmentary coronal view showing the sectioned sanitary napkin and panty of FIG. 8 in place on a user.
  • a coronal view is the frontal plane that passes through the long axis of the body.
  • the gasket-like seal assists in preventing menstrual fluid from penetrating beyond the second axis of flexibility which, in turn, minimizes soiling of the legs and adjoining clothing.
  • Another benefit derived from the flaps being pushed snugly against the body along the second axes of flexibility is that the absorbent means (central absorbent pad) is forced into close proximity to and into conformity with the body. This, too, is illustrated in FIG. 10.
  • the maintenance of the central absorbent pad against the body is known as "good body contact”. Good body contact is beneficial because it provides a barrier to lateral flow of menstrual fluid. Without such a barrier, menstrual fluid would tend to flow quickly along the topsheet, thereby providing less time for it to be absorbed by the absorbent core.
  • Forced bunching is the wrinkling of a sanitary napkin, along either its lateral or longitudinal axes, caused by movement of the. legs of the user.
  • the sanitary napkin of the present invention forms flow channels essentially only in the central absorbent pad which results in the gasket-like seal remaining intact.
  • menstrual fluid will not flow beyond the gasket-like seal.
  • the walls themselves restrain the flow of the menstrual fluid.
  • the absorbent layer 48 may be manufactured in a wide variety of sizes and shapes (e.g. rectangular, hour-glass, etc.) and from a wide variety of liquid absorbent materials commonly used in absorbent articles, such as comminuted wood pulp which is generally referred to as airfelt. Examples of other suitable absorbent materials include creped cellulose wadding, absorbent foams, absorbent sponges, super absorbent polymers, or any equivalent material or combination of materials.
  • the total absorbent capacity of the absorbent layer 84 should, however, be compatible with the design body fluid loading in the intended use of the sanitary napkin. Further, the size and absorbent capacity of the absorbent layer 48 may be varied to accommodate wearers.
  • the dimensions, shape, and configuration of the absorbent layer 48 may be varied (e.g. the absorbent layer may have a varying caliper, or a hydrophillic gradient, or may contain superabsorbent materials or synthetic fibers.
  • first and second tissue layers 50 and 52 are preferably coterminous with the absorbent layer 48, they may have different dimensions, a different configuration, or they may be omitted entirely.
  • the backsheet 42 is impervious to liquids and is preferably manufactured from a thin plastic film, although other flexible liquid impervious materials may also be used.
  • the backsheet 42 prevents the body fluid absorbed and contained in the absorbent core 44 from wetting articles which contact the sanitary napkin such as undergarments.
  • the backsheet 42 is a polyethylene film having a thickness of from about 0.012mm (0.5 mil) to about 0.051cm (2.0 mils), although other flexible, liquid impervious materials may be used.
  • the term "flexible” refers to materials which are compliant and which will readily conform to the general shape and contours of the human body.
  • topsheet 38 and the backsheet 42 are associated together in any suitable manner.
  • association encompasses configurations whereby the topsheet 38 is directly joined to the backsheet
  • the barrier means 62 is disposed to provide a more effective restraint against the flow of body fluids.
  • the barrier means 62 is preferably disposed between the flap's outer edge and the longitudinal center line 36 of the sanitary napkin.
  • the proximal edge 64 and the distal edge 66 are in spaced relation to each other and define the width of the barrier means 62.
  • the proximal and distal edges 64 and 66 respectively, may be in a parallel, non parallel, rectilinear or relationship.
  • the barrier means 62 may have a variety of different cross sectional areas including circular, square, rectangular or any other shape.
  • the proximal edge 64 is spaced from the distal edge 66 in a parallel and rectilinear relationship to provide a barrier means 62 having uniform widths.
  • the distance between the distal edge 66 to the top surface 40 of the topsheet 38 is measured along a line drawn from the distal edge 66 to the closest part of the topsheet 38 when the distal edge 66 is positioned so as to be spaced away from the topsheet as far as possible, (i.e. in the contracted position).
  • the distal edge 66 is spaced away from the topsheet 38 by a height of at least about 2mm, and more preferably of from about 5mm to about 10mm.
  • the channel 96 is formed at least along the proximal and distal edges 64 and 66 and the inboard surface 68 of the barrier means 62. The channel 96 forms a barrier to the flow of bodyfluid as they tend to move across the topsheet 38.
  • the barrier means 62 may be rendered liquid impermeable so as to prevent the of bodyfluid.
  • a liquid impermeable barrier means 62 retards the movement of liquid through the barrier means 62, thereby making it more leakage resistant.
  • the barrier means 62 may be rendered liquid impermeable in any manner well known in the art such as selectively treating the barrier means, the barrier means, or by securing a separate material to the barrier means.
  • the spacing elastic members 77 may take a multitude of configurations.
  • the width of the spacing elastic members 77 may be varied; the spacing elastic members may comprise a single strand or several parallel or non-parallel strands of elastic material; or the spacing elastic members 77 may be rectilinear or curvilinear.
  • the spacing elastic members 77 may be affixed to the barrier means 62 in any of several ways which are well known in the art.
  • the spacing elastic members 77 may be bonded or heat sealed into the barrier means 62 using a variety of bonding patterns, or the spacing elastic members 77 may simply be glued to the barrier means 62.
  • the spacing means 77 may also comprise means for shortening the length of the distal edge 66 in comparison to the length of the edges of the sanitary napkin.
  • the distal edge 66 can be shortened by making a fold or pleat in the distal edge 66. This fold or pleat is secured by any of the holding means well known to those of ordinary skill in the art, such as adhesives or heat sealing. Alternatively, a section may be cut out of the distal edge and the edges brought together to form a butt or joint.
  • the distal edge 66 may also be shortened by attaching a length of the distal edge 66 to the topsheet 38 at a position different from where the distal edge 66 would lie when the sanitary napkin is in a flattened out condition. Other shortening techniques as are known in the art may also be used.
  • the adhesive means 78 are preferably glue beads 79 consisting of hot melt adhesives such as marketed by Adhesives Incorporated, , Wis., as Adhesives 581.

Landscapes

  • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP93907564A 1992-03-31 1993-03-15 DIRECT DIGITAL SYNTHETIZER FOR MODULATION. Ceased EP0633759A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93907564A EP0633759A4 (en) 1992-03-31 1993-03-15 DIRECT DIGITAL SYNTHETIZER FOR MODULATION.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP92870052 1992-03-31
EP92870052 1992-03-31
PCT/US1993/002448 WO1993019711A1 (en) 1992-03-31 1993-03-15 Sanitary napkin having barrier means
EP93907564A EP0633759A4 (en) 1992-03-31 1993-03-15 DIRECT DIGITAL SYNTHETIZER FOR MODULATION.

Publications (2)

Publication Number Publication Date
EP0633759A1 EP0633759A1 (en) 1995-01-18
EP0633759A4 true EP0633759A4 (en) 1997-07-30

Family

ID=8212253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93907564A Ceased EP0633759A4 (en) 1992-03-31 1993-03-15 DIRECT DIGITAL SYNTHETIZER FOR MODULATION.

Country Status (16)

Country Link
EP (1) EP0633759A4 (no)
JP (1) JPH07506743A (no)
KR (1) KR100266194B1 (no)
CN (1) CN1130179C (no)
AU (1) AU679176B2 (no)
CA (1) CA2132845C (no)
CZ (1) CZ238494A3 (no)
EG (1) EG19843A (no)
FI (1) FI944521A0 (no)
HU (1) HUT71540A (no)
MX (1) MX9301788A (no)
MY (1) MY110361A (no)
NO (1) NO943596D0 (no)
PH (1) PH31404A (no)
SG (1) SG54152A1 (no)
WO (1) WO1993019711A1 (no)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2559056Y2 (ja) * 1993-07-20 1998-01-14 ユニ・チャーム株式会社 生理用ナプキン
SE503112C2 (sv) * 1994-05-16 1996-03-25 Moelnlycke Ab För engångsanvändning avsett vätskeabsorberande alster, förfarande och anordning för dess framställning
JP3169304B2 (ja) † 1994-06-20 2001-05-21 ユニ・チャーム株式会社 個袋入り生理用ナプキン
DE4422956A1 (de) * 1994-06-30 1996-01-04 Schickedanz Ver Papierwerk Absorbierender Hygieneartikel zur Aufnahme von Körperflüssigkeiten
US5807367A (en) * 1996-11-27 1998-09-15 Kimberly-Clark Worldwide, Inc. Absorbent article having lateral barriers
US5843067A (en) * 1996-11-04 1998-12-01 The Procter & Gamble Company Absorbent article having a containment cuff
US6315765B1 (en) 1997-01-17 2001-11-13 Kimberly-Clark Worldwide, Inc. Elasticized absorbent pad
SE514863C2 (sv) * 1997-02-26 2001-05-07 Sca Hygiene Prod Ab Banformigt element avsett att användas som vätskebarriär i ett absorberande alster samt absorberande alster och användning av ett banformigt element
SE513099C2 (sv) * 1997-02-26 2000-07-10 Sca Hygiene Prod Ab Vätskebarriärer i absorberande alster
CN100362976C (zh) * 2004-05-18 2008-01-23 株式会社山城屋 内裤
WO2016195631A1 (en) * 2015-05-29 2016-12-08 Kimberly-Clark Worldwide, Inc. Absorbent article with non-integral side covers and non-integral wings
US10765564B2 (en) 2015-05-29 2020-09-08 Kimberly-Clark Worldwide, Inc. Flexible absorbent article with a lobed absorbent layer
KR20190089315A (ko) 2018-01-22 2019-07-31 ㈜ 헬씨티슈 친환경 유기농 생리대

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098512A2 (de) * 1982-07-01 1984-01-18 Landstingens Inköpscentral LIC ekonomisk förening Vorrichtung als Genitalschutz und Monatsbinde
US4608047A (en) * 1985-05-28 1986-08-26 Personal Products Company Sanitary napkin attachment means
US4795452A (en) * 1987-09-23 1989-01-03 The Procter & Gamble Company Absorbent article having cantilevered cuff members
EP0321732A1 (de) * 1987-12-10 1989-06-28 Paul Hartmann Aktiengesellschaft Wegwerfwindel sowie Verfahren und Vorrichtung zur Herstellung einer Wegwerfwindel
US5026364A (en) * 1988-12-21 1991-06-25 The Procter & Gamble Company Absorbent article having unitary waistcap and waistband
GB2244653A (en) * 1990-06-08 1991-12-11 Kao Corp Absorbent article
DE9201239U1 (no) * 1992-02-01 1992-04-02 Vp-Schickedanz Ag, 8500 Nuernberg, De
WO1993012745A1 (en) * 1991-12-30 1993-07-08 Mölnlycke AB An absorbent article
EP0575611A1 (de) * 1992-01-13 1993-12-29 Uni-Charm Company Limited Monatsbinde

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
NL7413513A (nl) * 1974-10-15 1976-04-21 Texas Industries Inc Grondbewerkingsmachine.
US4589876A (en) * 1983-07-05 1986-05-20 The Procter & Gamble Company Sanitary napkin
US4657539A (en) * 1985-04-26 1987-04-14 The Procter & Gamble Company Waste containment garment having elasticized barrier wall leg flaps
MA21077A1 (fr) * 1986-10-10 1988-07-01 Procter & Gamble Article absorbant comportant des doubles manchettes resistant aux fluides .
US4865597A (en) * 1987-07-06 1989-09-12 Kimberly-Clark Corporation Absorbent product with reinforcing member to resist deformation
US4808177A (en) * 1987-10-02 1989-02-28 The Procter & Gamble Company Absorbent article having floating inner cuffs
US5021051A (en) * 1989-04-06 1991-06-04 The Procter & Gamble Company Disposable absorbent article having improved barrier leg cuffs

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098512A2 (de) * 1982-07-01 1984-01-18 Landstingens Inköpscentral LIC ekonomisk förening Vorrichtung als Genitalschutz und Monatsbinde
US4608047A (en) * 1985-05-28 1986-08-26 Personal Products Company Sanitary napkin attachment means
US4795452A (en) * 1987-09-23 1989-01-03 The Procter & Gamble Company Absorbent article having cantilevered cuff members
EP0321732A1 (de) * 1987-12-10 1989-06-28 Paul Hartmann Aktiengesellschaft Wegwerfwindel sowie Verfahren und Vorrichtung zur Herstellung einer Wegwerfwindel
US5026364A (en) * 1988-12-21 1991-06-25 The Procter & Gamble Company Absorbent article having unitary waistcap and waistband
GB2244653A (en) * 1990-06-08 1991-12-11 Kao Corp Absorbent article
WO1993012745A1 (en) * 1991-12-30 1993-07-08 Mölnlycke AB An absorbent article
EP0575611A1 (de) * 1992-01-13 1993-12-29 Uni-Charm Company Limited Monatsbinde
DE9201239U1 (no) * 1992-02-01 1992-04-02 Vp-Schickedanz Ag, 8500 Nuernberg, De

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9319711A1 *

Also Published As

Publication number Publication date
EP0633759A1 (en) 1995-01-18
AU679176B2 (en) 1997-06-26
FI944521A (fi) 1994-09-29
MX9301788A (es) 1994-01-31
SG54152A1 (en) 1998-11-16
PH31404A (en) 1998-10-29
EG19843A (en) 1996-03-31
NO943596L (no) 1994-09-28
CA2132845C (en) 2000-01-25
KR100266194B1 (ko) 2000-09-15
CN1130179C (zh) 2003-12-10
HUT71540A (en) 1995-12-28
HU9402796D0 (en) 1994-12-28
FI944521A0 (fi) 1994-09-29
NO943596D0 (no) 1994-09-28
JPH07506743A (ja) 1995-07-27
KR950700711A (ko) 1995-02-20
CA2132845A1 (en) 1993-10-14
WO1993019711A1 (en) 1993-10-14
CN1080164A (zh) 1994-01-05
CZ238494A3 (en) 1995-01-18
AU3812393A (en) 1993-11-08
MY110361A (en) 1998-04-30

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