Abstract: This invention relates to novel compositions and methods of use by which the compositions of this invention are applied topically to one or more body parts of at least two individuals who bring said body parts into contact with the other individual and, when said body parts come into contact with each other, permit the formulations to interact and thereby achieve an unexpected sensation to each individual.
Abstract: A corrugated disposable diaper is provided. The diaper has an initially molten liquid-impermeable film as the liquid barrier backing to which is laminated a loosely-compacted cellulosic fibrous batt and a liquid-permeable facing. Multiple strands of elastic are laminated between the initially molten film and a backing fabric in a transverse direction so as to corrugate the fibrous batt and provide a corrugated disposable diaper with longitudinal corrugations.
Abstract: Improvements are made in a panty protector of the kind comprising adhesive attachment and provided with transversely extending flaps. The peripheral shape of the protector is such that it is possible to produce the sheet of material of construction for the protector and simply cut said shapes out of said sheets with minimal waste.
Abstract: A method and apparatus for producing fibrous web pieces by die cutting the pieces from a continuous web. In the method, a fibrous web is provided having adjacent corrugations usually filled with a powder, and the powder-filled web is passed through a matched cutting die set intermittently which cuts and punches out the individual web pieces. Following the web cut out step, the web pieces are transferred downwardly onto a shuttle conveyor, and the pieces moved forward and simultaneously spread apart to permit subsequent convenient placement of the pieces. The cutting die apparatus includes matched punch and body die units which closely interfit with less than about 0.001 inch total clearance, so as to cut and punch out the fibrous web pieces from the continuous web.
Abstract: An absorbent body is provided for absorbing body fluids. The body is generally planar and elongated and is surrounded by a substantially uniformly compressed peripheral edge. Fluid striking the absorbent body at a point in proximity to the densified peripheral edge is transported rapidly away from said point.
Abstract: A closure system is disclosed for resealably attaching a pressure sensitive adhesive coated tape tab to a hot-melt coated landing area of a fabric surface, whereby said closure system may be reopened and resealed numerous times while still permitting said tab to bond and hold tenaciously to the fabric surface.
Abstract: A method and apparatus for heat sealing a thin porous facing sheet onto the perimeter of a flexible ethylene-containing foam shell having a non-planar face surface. In the method, the facing sheet is applied to the non-planar surface of the foam shell attached to a foam sheet, and the facing sheet is clamped by a die assembly and rapidly heated and sealed onto the shell perimeter by a plug containing a heating element shaped to the shell perimeter being clamped onto the facing sheet and shell. To provide a close non-wrinkled fit of the facing sheet onto the foam shell, the facing sheet is first slit at spaced intervals transverse to the sheet length dimension and intermediate the foam shells before being clamped and heat sealed onto the formed shell perimeter. Apparatus for transversely slitting the facing sheet and for heat sealing it onto the formed shells is also disclosed.
Abstract: A napkin pad liner is provided which is designed to be used with a conventional sanitary napkin to provide more rapid fluid take-up and reduced fluid strikeback. The liner includes a cover of a non-wettable, fluid permeable hydrophobic material which covers a thin layer of absorbent fabric. Pressure sensitive adhesive is located on the napkin-facing side of the absorbent fabric. The adhesive is protected prior to use of the liner by a release strip. In a preferred embodiment the liner is embossed with a central channel to promote rapid longitudinal fluid distribution at the time of fluid take-up.
Abstract: A method and apparatus for incorporating a powder into a continuous fibrous web containing multiple corrugations. In the method, a fibrous web provided with multiple parallel corrugations is continuously passed over a curved surface having an arc with a radius to web thickness ratio of 0.5-3 and the corrugations are opened at their upper side, while any bonded fibers connecting adjacent corrugations together are broken apart. A powder having 50-1000 micron particle size is deposited by gravity into the opened spaces between adjacent corrugations of the web. The deposited powder is then compacted into the fibrous corrugated web by rubbing with a pad moved in an oscillating motion generally perpendicular to the corrugations. The powder filled web is bent in the opposite direction around a roller to break the fibers between the corrugations on the opposite side of the web. The second roller can be made vertically movable so as to convert the web continuous forward motion to an intermittent forward motion.
July 13, 1987
Date of Patent:
December 27, 1988
Personal Products Company
Michael J. Menard, Thomas J. Helmstetter, Sr., David E. Johnson
Abstract: A sanitary napkin having flaps extending laterally from each of the longitudinal edges of its central absorbent element is provided with at least one fluid retarding channel disposed transversely across the absorbent element for inhibiting the transmission of body fluid from a central portion of the absorbent element to at least one transverse end. The preferred construction employs the use of two spaced apart compressed portions of the absorbent element to define a central absorbent portion and delay the transmission of body fluid from the central portion into the transverse end portions of the absorbent element, thereby minimizing the incidence of leakage from the ends of the napkin.
Abstract: Absorbent retentive pulp is described which is capable of retaining good absorbency even after having been highly compressed. The pulp is produced by subjecting a microfibrillated pulp slurry to pore generation with pore generating particles and to cross-linking with a cross-linking agent.
Abstract: A sanitary napkin having side panels intended to be folded around the crotch portion of an undergarment includes an adhesive tape tab secured to the apertured film facing of one panel with a free end overlying the opposite panel in the folded configuration. The adhesive coating on the tape tab, an A-B-A/A-B polymer having an adhesion to steel value of 75-140 oz./inch width, provides secure attachment of the tape tab while permitting detachment without substantial tearing of the aperture film facing.
Abstract: A foam-fiber composite, useful as an absorbent for sanitary napkins is disclosed. It is a resilient, absorbent structure made from large particles of an amino-ether hydrophilic foam (and optionally a superabsorbent and wood pulp), which by use of a carding machine is uniformly distributed in, and heat bonded to a fibrous matrix, which matrix is preferably made from two different kinds of fibers, one of which is low melting at the bonding temperatures used in the oven, e.g., polyethylene and the other high melting, e.g., polyester.
Abstract: A sanitary napkin is disclosed for providing improved product fit and adjustability to different body sizes. The napkin provides for secure product placement during body movements and employs one or more elastic members attached to the ends of a central absorbent having a body fluid pervious surface and a body fluid impervious surface. The napkin also includes adhesive tabs attached to the end of said elastic members for re-attachment of the napkin after initial use.
Abstract: An improved method and apparatus for rapidly forming plastic foam shells from a flexible foam sheet. The foam sheet is intermittently passed through a radiant heating unit and is rapidly heated on both sides to 130.degree.-250.degree. F. to soften the foam. The heated foam sheet is immediately passed through a forming die unit in which the foam sheet is deformed partly into the die cavity by withdrawal of air from the cavity, and a die plug descends and final forms a shell while rapidly cooling the foam shell to below its plastic deformation temperature. By this forming method and apparatus, ethylene-containing foam shells having a depth 10-25 times the foam sheet initial thickness are rapidly formed at 10-30 cycles/minute.
August 15, 1986
Date of Patent:
April 26, 1988
Personal Products Company
Michael Joseph Menard, Philip Joseph Marbach
Abstract: The invention provides an elastic laminated disposable diaper which has a liquid-impermeable backing which is produced from an initially molten extruded elastic film, an absorbent core and a liquid-permeable facing. The facing is at least about 25 percent extensible and is coextensive with the backing. The absorbent unit being laminated between the facing and the backing.