WO1996023439A1 - Personal cleansing implement using knitted tubing and method of construction - Google Patents
Personal cleansing implement using knitted tubing and method of construction Download PDFInfo
- Publication number
- WO1996023439A1 WO1996023439A1 PCT/US1996/000471 US9600471W WO9623439A1 WO 1996023439 A1 WO1996023439 A1 WO 1996023439A1 US 9600471 W US9600471 W US 9600471W WO 9623439 A1 WO9623439 A1 WO 9623439A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tubing
- batt
- piece
- personal cleansing
- knitted
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K7/00—Body washing or cleaning implements
- A47K7/02—Bathing sponges, brushes, gloves, or similar cleaning or rubbing implements
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/02—Bandages, dressings or absorbent pads
- D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1036—Bending of one piece blank and joining edges to form article
Definitions
- the present invention relates to hand held implements used for personal cleansing, and more particularly to such implements having scrubbing surfaces made from hydrophobic knitted monofilaments.
- a variety of cleansing implements have been used to remove dirt and dead skin from the user's body during bathing or showering.
- hand held terry washcloths and natural and synthetic sponges have been used.
- Each of these has one or more significant deficiencies.
- a sponge has pores which make it difficult to remove dirt from the implement once the dirt is removed from the body.
- a washcloth often impedes lathering even though lathering is a primary function of a cleansing implement.
- Some sponges absorb the cleansers that are intended to help remove dirt. Neither sponges nor washcloths can be dried quickly because they become water-logged. As a result they develop unpleasant odors and become a place for breeding bacteria, mold, etc.
- such implements are typically not suitable for cleaning all body parts. Washcloths are too soft to stimulate and exfoliate skin, and sponges are too rough to cleanse sensitive skin areas.
- Ball-like structures made of polymer netting have also been found in the prior art.
- An example is disclosed in U.S. Patent No. 5,144,744 to Campagnoli, issued September 8, 1992.
- Ball-like structures are hand held and are made of diamond- mesh polyethylene.
- Diamond-mesh polyethylene is an extruded scrim material which is commonly found covering vegetables, meat, and poultry.
- Commercially available implements of this type are sold by The Body Shop of London, England; and by Bilange of New York, NY. Such constructions are very expensive because they have typically been made by hand.
- One way to make such ball-like structures is to stretch multiple tubular pieces of diamond-mesh scrim transversely to their tubular axes. Each piece is then placed over separate support posts. The supported pieces, held in a stretched condition, are arranged either parallel to or at different angles to each other. By tying together the stretched pieces at their centers, and then releasing the resilient pieces from the support posts, each piece springs back toward the tied center to generate a ball-like shape. Cinching the scrim at the centers of the pieces produces a hard dense core, which hinders rinsing and drying. While the surface of a ball-like structure may have high open area at tits surface, it is difficult to clean the center of the implement for reuse.
- Knitted tubing made from plastic filaments is another material found in the scrubbing implement art. Knitted tubing is often avoided for such implements, however, because it is viewed as a more expensive material than an extruded scrim. While the material itself may be more expensive, implements made of knitted tubing may have a better "feel" to one's skin. Knitted filaments can be sized and shaped to feel softer than extruded scrim when a personal cleansing implement is rubbed against one's skin. The individual stitches are free to move and deform when touching the skin, whereas extruded scrim implements have apertures formed by strands which are fixed together at their crossing points.
- Such strands must move and deform as a group rather than individually, and therefore provide a stiffer structure for similar density and open area.
- knitted filaments are interlocked in a way that provides a structure having a natural loft, whereas scrim is typically flat and requires heat setting pleats to create a lofted structure.
- knitted scrubbing implements are known in the art, they are generally knitted of metal or rough fibers for the purpose of being abrasive for removing soil from hard surfaces.
- U.S. Patent No.4,017,949 to Botvin discloses a scouring pad and method of making it.
- a knit polypropylene filament tubular envelope surrounds a sniffer material.
- the stuffer material is the same as the knit envelope.
- the method turns the envelope "inside out", or inverts it.
- the flattened tubing is heat sealed across the open ends.
- Filaments are either ribbon-like or are elliptical filaments having a cross-section with major axis of 0.030 inches and minor axis of 0.009 inches.
- a personal cleansing implement comprises a substantially rectangular hydrophobic batt, which is a piece of knitted tubing made from extruded plastic monofilaments knitted on a knitting machine having a setting of from 32 to 64 needles per machine diameter.
- the monofilaments have substantially circular cross-sections in the range of 0.003 inches to 0.015 inches diameter.
- the piece of knitted tubing has a longitudinal axis.
- the piece of knitted tubing has about 6 to about 9 stitches per inch along the longitudinal axis, as typically measured by hand in the industry.
- the piece of knitted tubing is inverted upon itself at least once along the longitudinal axis to form a plurality of concentric layers of tubing.
- the batt has a top surface, a bottom surface, and two open ends when the piece of knitted tubing is inverted upon itself and then substantially flattened perpendicular to the longitudinal axis. The top surface and the bottom surface are bonded together at the two open ends by a bonding means to maintain the batt substantially flattened.
- the personal cleansing implement may further comprise a means for hanging so that it may more quickly dried after rinsing.
- the preferred extruded plastic monofilament is linear low density polyethylene. Such a monofilament, in the above diameter range and spacing parameters provides an adequately soft "feel" when a personal cleansing implement is constructed in this manner. More preferably, the monofilaments have a diameter of less than 0.009 inches and the batt comprises 8 layers of knitted tubing when substantially flattened.
- a method of constructing a personal cleansing implement comprises the steps of knitting a piece of tubing on a knitting machine having a setting ranging from 32 to 64 needles per machine diameter, and using extruded plastic monofilaments having substantially circular cross-sections in the range of 0.003 inches to 0.015 inches diameter.
- the piece of tubing has about 6 to about 9 stitches per inch as typically measured along a longitudinal axis of the tubing.
- Another step involves inverting the piece of tubing on itself at least once along the longitudinal axis to form a plurality of concentric layers of tubing. Each of the layers is inverted to have a similar length and such that the layers substantially overlap the other layers.
- Yet another step involves substantially flattening the piece of tubing perpendicular to the longitudinal axis to form a batt. Flattening generates a top surface and a bottom surface of the batt. The batt has two open ends.
- a final step involves bonding together the top and bottom surfaces of the batt at the two open ends by a bonding means to maintain the batt substantially flattened.
- the method may further comprise the step of attaching a tether to the piece of tubing for hanging the personal cleansing implement.
- the bonding means may include stitching or thermobonding.
- FIG. 1 is a perspective view of a preferred piece of knitted tubing of the personal cleansing implement of the present invention, disclosing a tube having considerably greater length than diameter;
- FIG. 2 is a perspective view thereof, showing the right end folded back over at least one quarter the original length of the tubing;
- FIG. 3 is a perspective view thereof showing the left end folded back over at least one quarter the original length of the tubing
- FIG. 4 is a perspective view thereof, showing the inverted right end folded back over the inverted left end of the tubing such that the resulting concentric layers which are exposed have substantially the same length and their ends are flush;
- FIG. 5 is a perspective view thereof, showing the inverted tubing flattened to form a rectangular batt;
- FIG. 6 is a top plan view of a flattened batt, showing stitches across the two open ends of the tubing, and a tether looped through the batt; and
- FIG. 7 is a front elevation view thereof, showing the batt maintained substantially flattened due to end closing, but with sufficient loft to be used as a personal cleansing implement.
- FIG. 1 there is shown a first preferred embodiment of the present invention, which provides a piece of knit tubing, and is generally indicated as 10.
- Tubing 10 is knitted on a commercial knitting machine, such as a standard 12 inch diameter circular knitting machine, made by Scott & Williams of New York, NY.
- a high open area is achieved between monofilaments by a 32 to 64 needle cross-stitch. This generates a spacing of monofilaments of about 6 to about 9 monofilaments per inch of tubing, as typically measured in the industry along the longitudinal axis of the tubing by hand stretching and measuring a short piece of tubing.
- Piece of knit tubing 10 is preferably made of extruded plastic monofilaments. Extruding the filaments avoids fibrillation and roughness associated with slit film filaments. Fibrillation and roughness provide poor rinsing and drying capability. Fibrillated strands hold water by capillary action.
- the preferred soft "feel" of a knit implement is believed primarily due to the size and shape of the extruded monofilament used.
- Preferred monofilaments are substantially circular in cross-section, having a diameter ranging from 0.003 inches to 0.015 inches. Within this diameter range different materials have different stiffnesses.
- monofilament stiffness is the primary variable controlling soft "feel".
- monofilament stiffness is the primary variable controlling soft "feel".
- two different size or two different material monofilaments to create a composite which has the most acceptable "feel”.
- extruded monofilaments made of linear low density polyethylene, and sized less than 0.009 inches in diameter have an optimum "feel”.
- Circular cross-section filaments easily twist when rubbed against one's skin.
- Ease of twisting also helps circular cross-section monofilaments pass from bobbins through the guides of the knitting machine without breaking.
- ovality of monofilament cross-sections of 1.7:1 or greater major/minor diameter ratio tended to break as they passed through the machine.
- Tubing 10 is approximately 5 inches in diameter. Lengths between 24 and 28 inches long are cut from the continuously knit tubing to generate personal cleansing implements of the present invention.
- FIG. 2 shows a right end 12 of tubing 10 being inverted or folded back over an outside surface 14 of tubing 10 toward a left end 16.
- both right and left ends of tubing 10 are inverted over outside surface 14 such that ends 12 and 16 overlap slightly near the center of tubing 10.
- New opposite ends 18 and 20 are formed by such inverting.
- End 20 is then inverted again, but this time end 20 reaches end 18 to create four concentric layers of tubing which substantially overlap each other and have open ends 22 and 24.
- FIGS. 4 and 5 show the twice inverted knit structure having open ends 22 and 24.
- FIG. 5 also shows the flattening of tubing 10 into an 8 layer batt 26 having a top surface 28 and a bottom surface 30. Batt 26 is maintained substantially flattened by closing ends 22 and 24.
- Closing is accomplished by stitching or by thermobonding processes, commonly known in the art. Thermobonding may include heated die contact, adhesive, ultrasonic welding, or other thermal processes. Stitching permits a connection which is less stiff and dense than that which thermobonding normally provides. Stitching is shown in FIG. 6. A closed batt 26 forms a personal cleansing implement, generally indicated as 34.
- a tether 36 is preferably attached to batt 26 by threading it through top and bottom surfaces 28 and 30. This is shown in FIGS. 6 and 7.
- the tether is preferably placed inside a stitch and near a corner of the implement.
- Tether 36 enables the user to hang the personal cleansing implement after rinsing in order that it may dry quickly.
- Tether 36 is preferably hydrophobic braided rope made of polypropylene made of a 3.5 mm diameter hydrophobic rope material, such as specification number W-01 available from Maxi-Cord of Chicago, IL.
- Implement 34 has a high open area, resilience, and its materials are hydrophobic. This combination provides a significant amount of lather when used with a liquid, gel, or solid form of skin cleanser.
- the implement is held in one hand.
- Qeanser is preferably added to the implement rather than to the skin.
- the cleanser is then rubbed against the skin by the implement in the presence of water, lifting dirt and exfoliated skin into the implement. It is believed that lathering enhances the removal of dirt and exfoliated skin from the surface of the body.
- the implement of the present design enables substantially more lather and better consistency lather to be developed than is generally possible with a washcloth or sponge.
- implement 34 may be quickly rinsed and dried, thereby avoiding the slow drying of washcloths, sponges, or implements with hard dense cores.
- the construction of implement 34 provides a center portion which has no hard, dense core. The structure of implement 34 is therefore believed to be more sanitary than most prior art personal cleansing implements.
- stitches are preferably made of hydrophobic thread made of polyester. Such thread is commercially available from Beachwood, Ltd. of Cleveland, Ohio. It has a specification number 2743 MAA..
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8523554A JPH10513075A (en) | 1995-01-31 | 1996-01-05 | Body washing tool using knitted tube and method of manufacturing the same |
EP96903471A EP0804118A1 (en) | 1995-01-31 | 1996-01-05 | Personal cleansing implement using knitted tubing and method of construction |
BR9607082A BR9607082A (en) | 1995-01-31 | 1996-01-05 | Personal cleanliness implement using networked tubes and construction method |
MXPA/A/1997/005824A MXPA97005824A (en) | 1995-01-31 | 1997-07-31 | Implement for personal cleaning using a tubular tissue and method of elaborac |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/381,263 US5594970A (en) | 1995-01-31 | 1995-01-31 | Personal cleansing implement using knitted tubing |
US08/381,263 | 1995-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996023439A1 true WO1996023439A1 (en) | 1996-08-08 |
Family
ID=23504341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/000471 WO1996023439A1 (en) | 1995-01-31 | 1996-01-05 | Personal cleansing implement using knitted tubing and method of construction |
Country Status (7)
Country | Link |
---|---|
US (2) | US5594970A (en) |
EP (1) | EP0804118A1 (en) |
JP (1) | JPH10513075A (en) |
CN (1) | CN1176586A (en) |
BR (1) | BR9607082A (en) |
CA (1) | CA2211793A1 (en) |
WO (1) | WO1996023439A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6408478B1 (en) | 1999-02-09 | 2002-06-25 | Izumi Kazumura | Foam generating net for washing the face |
US6607739B1 (en) | 2000-02-14 | 2003-08-19 | Johnson & Johnson Consumer Companies, Inc. | Dispensing article |
US6783294B2 (en) | 2000-02-14 | 2004-08-31 | Johnson & Johnson Consumer Companies, Inc. | Solid cleanser holder |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5715561A (en) * | 1996-04-12 | 1998-02-10 | The Procter & Gamble Company | Personal cleansing implement made of stretched scrim providing softness benefit |
US6048407A (en) * | 1997-03-18 | 2000-04-11 | Schoch; Robert R. | Bathing apparatus |
US6739160B1 (en) * | 1998-01-19 | 2004-05-25 | Asahi Kasei Kabushiki Kaisha | Lint-free wiper |
US6264391B1 (en) | 1999-04-15 | 2001-07-24 | Sally S. Kroha | Reversible soap bag |
US6516756B1 (en) | 1999-06-09 | 2003-02-11 | Sanshin Kogyo Kabushiki Kaisha | Fuel injection system for marine engine |
US6308538B1 (en) * | 1999-07-22 | 2001-10-30 | Berkshire Corporation | Method and apparatus for manufacturing individual wipers having finished edges |
US20050233108A1 (en) * | 2004-03-10 | 2005-10-20 | Pamela Kurt | Cleaning cloth |
US20070269259A9 (en) * | 2005-08-05 | 2007-11-22 | Shaw Anthony A | Mesh sponge with pocket |
US20070256261A1 (en) * | 2006-05-04 | 2007-11-08 | Benitez Israel Jr | Cleaning cloth assembly |
JP5314041B2 (en) * | 2007-11-19 | 2013-10-16 | スリーエム イノベイティブ プロパティズ カンパニー | Wiping member and cleaning tool provided with wiping member |
JP5956236B2 (en) * | 2012-04-27 | 2016-07-27 | キクロン株式会社 | Body towel |
CN104661575A (en) | 2012-10-05 | 2015-05-27 | 金伯利-克拉克环球有限公司 | Personal care cleaning article |
USD756033S1 (en) | 2013-05-02 | 2016-05-10 | Kimberly-Clark Worldwide, Inc. | Surface pattern for a cosmetic pad |
EP3218067B1 (en) | 2014-11-10 | 2019-05-01 | The Procter and Gamble Company | Personal care compositions and hangers |
CN105839224A (en) * | 2016-06-21 | 2016-08-10 | 惠安县威科电子科技有限公司 | Fibers for manufacturing toilet soap string bags and preparation method for fibers |
BR102016027776A2 (en) * | 2016-11-25 | 2018-06-12 | Ercilia Dias Gasparette | SOAP PACKAGING Sachet |
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US4017949A (en) * | 1975-02-27 | 1977-04-19 | Acs Industries, Inc. | Method of making a scouring pad or the like |
US5295280A (en) * | 1992-07-02 | 1994-03-22 | Bilange, Inc. | Washing device for scrubbing the body |
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US2425293A (en) * | 1947-08-12 | Method anx | ||
US1533868A (en) * | 1924-05-22 | 1925-04-14 | Russell B Kingman | Scouring device |
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US1689207A (en) * | 1927-04-13 | 1928-10-30 | Metal Textile Corp | Scouring ball |
US1659977A (en) * | 1927-09-30 | 1928-02-21 | Metal Textile Corp | Scouring pad |
US1794854A (en) * | 1927-12-08 | 1931-03-03 | Otho V Kean | Scrubber |
US1865785A (en) * | 1928-05-19 | 1932-07-05 | Burson Knitting Company | Dust puff |
US1963529A (en) * | 1932-06-16 | 1934-06-19 | Nat Tinsel Mfg Company | Scouring device |
US2151448A (en) * | 1936-02-29 | 1939-03-21 | Steinberg Amata | Cloth |
US2421357A (en) * | 1946-05-18 | 1947-05-27 | Saftlas Samuel | Strip lace and method of making same |
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US2857610A (en) * | 1955-03-31 | 1958-10-28 | Polarad Electronics Corp | Mesh scrubbing pad and method of manufacture |
US2940100A (en) * | 1958-07-14 | 1960-06-14 | Grossmeyer Roy | Composite scouring and wiping device |
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US4993099A (en) * | 1989-12-27 | 1991-02-19 | Yachiyo Micro Science Company Limited | Cleaning and polishing pad |
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US5187830A (en) * | 1991-11-25 | 1993-02-23 | Sponge Fishing Co., Inc. | Washing, drying and scrubbing pad |
-
1995
- 1995-01-31 US US08/381,263 patent/US5594970A/en not_active Expired - Fee Related
-
1996
- 1996-01-05 WO PCT/US1996/000471 patent/WO1996023439A1/en not_active Application Discontinuation
- 1996-01-05 EP EP96903471A patent/EP0804118A1/en not_active Ceased
- 1996-01-05 CN CN96192163A patent/CN1176586A/en active Pending
- 1996-01-05 CA CA002211793A patent/CA2211793A1/en not_active Abandoned
- 1996-01-05 BR BR9607082A patent/BR9607082A/en not_active Application Discontinuation
- 1996-01-05 JP JP8523554A patent/JPH10513075A/en active Pending
- 1996-07-26 US US08/686,832 patent/US5667612A/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4017949A (en) * | 1975-02-27 | 1977-04-19 | Acs Industries, Inc. | Method of making a scouring pad or the like |
US5295280A (en) * | 1992-07-02 | 1994-03-22 | Bilange, Inc. | Washing device for scrubbing the body |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6408478B1 (en) | 1999-02-09 | 2002-06-25 | Izumi Kazumura | Foam generating net for washing the face |
US6607739B1 (en) | 2000-02-14 | 2003-08-19 | Johnson & Johnson Consumer Companies, Inc. | Dispensing article |
US6783294B2 (en) | 2000-02-14 | 2004-08-31 | Johnson & Johnson Consumer Companies, Inc. | Solid cleanser holder |
Also Published As
Publication number | Publication date |
---|---|
BR9607082A (en) | 1997-11-11 |
CN1176586A (en) | 1998-03-18 |
US5667612A (en) | 1997-09-16 |
MX9705824A (en) | 1997-11-29 |
JPH10513075A (en) | 1998-12-15 |
US5594970A (en) | 1997-01-21 |
CA2211793A1 (en) | 1996-08-08 |
EP0804118A1 (en) | 1997-11-05 |
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