US20070295350A1 - Nit Stripping Device - Google Patents

Nit Stripping Device Download PDF

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Publication number
US20070295350A1
US20070295350A1 US11/851,866 US85186607A US2007295350A1 US 20070295350 A1 US20070295350 A1 US 20070295350A1 US 85186607 A US85186607 A US 85186607A US 2007295350 A1 US2007295350 A1 US 2007295350A1
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Prior art keywords
pair
pads
abrasive
tongs
hair
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Abandoned
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US11/851,866
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Amy Shelton
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Individual
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Individual
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Priority claimed from US11/121,623 external-priority patent/US20060248785A1/en
Application filed by Individual filed Critical Individual
Priority to US11/851,866 priority Critical patent/US20070295350A1/en
Publication of US20070295350A1 publication Critical patent/US20070295350A1/en
Priority to US13/162,996 priority patent/US20110240051A1/en
Priority to US13/442,366 priority patent/US8474176B2/en
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M3/00Manual implements, other than sprayers or powder distributors, for catching or killing insects, e.g. butterfly nets
    • A01M3/04Manual implements, other than sprayers or powder distributors, for catching or killing insects, e.g. butterfly nets with adhesive surfaces
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D24/00Hair combs for care of the hair; Accessories therefor
    • A45D24/30Combs specially adapted for removing dirt or grease

Definitions

  • This invention pertains to a method and device for removing nits, eggs and lice from human hair and more specifically concerns a method and device which serves to mechanically strip nits from human hair as abrasive pads or other suitable material are moved along the length of nit-laden hair shafts gripped therebetween.
  • Known devices generally include a comb having one or more rows of teeth that are selectively spaced to aid in combing head lice, nits, and eggs from human hair.
  • Certain devices such as U.S. Pat. No. 6,098,633, include a plurality of teeth rows spaced such that the first row performs a course combing for head lice, nits and eggs and a second row of teeth performs a more fine filtering of head lice, nits and eggs.
  • 6,086,682 discloses a combing device which is combined with a vacuum cleaner such that nits, eggs, and head lice removed by the closely-spaced comb teeth can be drawn into a vacuum cleaner hose and deposited at a remote location.
  • Other known devices include teeth which may be mechanically adjusted such that the comb can be used for different textures of hair and to aid in cleaning.
  • a pair of cooperating tongs carry abrasive pads or sheets of abrasive material.
  • a first substantially elongated tong is pivotably secured proximate a second substantially elongated tong.
  • Each one of the first and second tongs has an inner surface opposing a cooperating inner surface of the other of the first and second tongs.
  • Each of the pair of abrasive pads is secured to one of the inner surfaces of the first and second tongs.
  • the pads are fabricated from a nonwoven fibrous material at least partially coated with an inorganic abrasive particulate material.
  • an inorganic abrasive particulate additive at least partially covers the nonwoven fibrous material and serves the purpose of helping to detach the head louse nit from the hair to which it is attached.
  • Human hair shafts laden with nits, eggs, or lice are engaged between the pads and as the pads are moved in this engagement relationship along the length of the hair, the nits, eggs, and lice are mechanically separated from the hair shafts.
  • the tongs are pivotably connected at one end by a suitable spring mechanism which biases the tongs and the pads carried thereby to an open position ready to receive nit laden hair shafts.
  • FIG. 1 illustrates use of one embodiment the nit stripping device of the present invention and a method for stripping nits, lice, and eggs from hair shafts;
  • FIG. 2A discloses a perspective view of the nit stripping device of FIG. 1 ;
  • FIG. 2B discloses an exploded view of the nit stripping device of FIG. 2A ;
  • FIG. 3A discloses a side elevation view of the nit stripping device shown in FIGS. 2A and 2B ;
  • FIG. 3B discloses another embodiment of a nit stripping device constructed in accordance with several features of the present invention.
  • FIG. 3C discloses another embodiment of a nit stripping device constructed in accordance with various features of the present invention having a thin layer of abrasive material mounted at stripping ends of the tongs;
  • FIG. 3D shows another embodiment of a nit stripping device constructed in accordance with several features of the present invention, in which the connected ends of the tongs are integrally formed.
  • a nit stripping device incorporating various features of the present invention is illustrated generally at 10 in FIG. 1 .
  • This nit stripping device is designed to grip nit laden hair shafts 12 such as shown on the child 14 .
  • the operator 16 grips the infested hair shafts 12 with the device 10 and moves it along the length of the hair, as by pulling, whereupon nits, eggs, and lice are stripped therefrom.
  • the device 10 includes a first tong 18 and a second tong 20 .
  • Each of the tongs 18 , 20 defines a longitudinal axis.
  • the tongs 18 , 20 are pivotably connected at proximal end portions 22 , 24 respectively, such that the first tong 18 is selectively rotatable proximate the second tong 20 between a first, substantially open position and a second, substantially closed position.
  • the tongs 18 , 20 are fabricated from a pliable material which, in the embodiment shown in FIGS. 2A, 2B , and 3 A, form an elongated bent portion of plastic, aluminum or the like, such that the joined proximal ends 22 , 24 are connected by the integrally formed arcuate section 26 shown in FIGS. 2A, 2B , and 3 A.
  • a hinged connector incorporating a compression spring connects the pivotably connected ends of the tongs for biasing the tongs toward an open position.
  • distal ends 40 , 42 of the tongs 18 , 20 include first and second opposing inner surfaces 44 , 46 , respectively.
  • Pads 28 , 30 are mounted to the inner surfaces 44 , 46 of the tongs 18 , 20 , respectively, proximate the distal ends 40 , 42 .
  • the pads 28 , 30 are fabricated at least in part from a nonwoven fibrous material.
  • the nonwoven fibrous material is prepared from nylon or other synthetic polymer which is drawn to develop molecular orientation and mechanical strength.
  • the synthetic fibers are drawn to exhibit an average diameter of approximately 50 micrometers, however, those skilled in the art will recognize other sizes of synthetic fibers suitable for fabrication of the pads 28 , 30 .
  • the fibrous material is at least partially coated with an inorganic abrasive particulate which serves the purpose of helping to detach a head louse nit from a hair to which it is attached.
  • the abrasive particles may be of various sizes, but preferably exhibit an average diameter of between one and 50 micrometers.
  • the particulate-coated fibrous material is randomly dispersed to form the nonwoven pads 28 , 30 .
  • the nonwoven pads 28 , 30 are formed so as to be sufficiently abrasive to strip nits or lice from strands of hair when the strands of hair are moved between the pads, yet are also sufficiently resilient to allow the hair to move between the pads without resulting in shear failure of the hair strands.
  • the abrasive particulates are attached to the surface of the synthetic fibers with a binder.
  • the abrasive particulates are incorporated into the synthetic fibers during formation of the fibers into the random dispersion pattern to form the pads 28 , 30 .
  • Those skilled in the art will recognize other suitable methods for forming the pads 28 , 30 , and such methods may be used without departing from the spirit and scope of the present invention.
  • the pads 28 , 30 are preferably releasably mounted to the inner surfaces 44 , 46 of the tongs 18 , 20 by suitable hook and loop fastener strips 32 , 34 . These strips are secured to cooperating hook and loop fastener members 48 , 50 carried on the juxtaposed and operatively mounted pads 28 , 30 .
  • suitable stops 36 , 38 are provided to assist in the placement of the pads 28 , 30 , respectively, in a proper alignment with each other.
  • each stop 36 , 38 is defined by a wall integrally formed with and extending from one of the tongs 18 , 20 .
  • each of the pads 28 , 30 defines a longitudinal axis, thereby allowing the pads 28 , 30 to be secured to the tongs 18 , 20 in such a configuration that the longitudinal axis of each of the pads 28 , 30 extends substantially parallel to and along the longitudinal axis of the cooperating tong 18 , 20 , respectively.
  • the distal ends 40 , 42 and cooperating pads 28 , 30 are tapered along the length of the tongs 18 , 20 .
  • the taper of the distal ends 40 , 42 equips each of the tongs 18 , 20 with a substantially pointed end 52 , which serves to assist the operator 16 in gathering a section of infested hair shafts 12 for placement between the pads 28 , 30 for stripping of nits, eggs and lice therefrom.
  • tapering along the length of the tongs 18 , 20 merely provides a convenience to the operator 16 in gathering invested hair shafts 12 .
  • tapering of the distal ends and cooperating pads may be omitted from certain other embodiments without departing from the spirit and scope of the present invention.
  • the tongs 18 , 20 are selectively rotatable between the first and second positions such as to allow the pads 28 , 30 to be brought into and out of proximity with one another.
  • the first tong 18 is brought into close proximity to the second tong 20 , thereby bringing the first pad 28 into cooperative engagement with the second pad 30 .
  • the first tong 18 is rotated away from the second tong 20 , thereby moving the first pad 28 out of engagement with the second pad 30 .
  • FIG. 3B illustrates an alternate embodiment of the device 10 a which is provided with tongs 18 a, 20 a which do not include the stops shown in FIGS. 2A, 2B , and 3 A. It will also be noted that the pads 28 a, 30 a used in connection with the device 10 a in FIG. 3B are of a lesser thickness than the pads shown in connection with the device illustrated in FIGS. 2A, 2B , and 3 A.
  • the thicker pads 18 , 20 shown in FIGS. 2A, 2B , and 3 A serve both to strip the nits, eggs, and lice from the hair shafts and to capture the stripped nits, eggs, and lice within the pads themselves.
  • the pads 18 , 20 are selectively removable and replaceable, thereby allowing the pads 18 , 20 to be discarded after use.
  • FIG. 3C illustrates another embodiment of the nit stripping device 10 b having thin layers of pad material 28 b, 30 b mounted on the gripping end portions of the tongs. These thin layers of pad material 28 b, 30 b serve to mechanically grip the nit laden hair and strip the nits, eggs, and lice therefrom.
  • the pad materials 28 b, 30 b are porous, and thus allow the nits, eggs, and lice to be trapped and/or embedded in the pores, and thereby to be captured.
  • the device 10 b shown in FIG. 3C is provided with a hinge connection 26 b that mechanically joins the juxtaposed and pivotably connected ends of the tongs 18 b, 20 b.
  • the hinge connection 26 b is unbiased.
  • this connection 26 b provides less spacing between the tongs 18 b, 20 b than is shown in connection with FIGS. 2A, 2B , and 3 A, since the effective thickness of the thin layers of pad material 18 b, 20 b is of a lesser thickness than shown in connection with FIGS. 2A, 2B , and 3 A.
  • FIG. 3D shows a nit stripping device 10 c incorporating the thin layers of pad material 28 b, 30 b mounted on the gripping and stripping ends of tongs 18 c, 20 c.
  • This embodiment of the device includes an integral connection 26 c which joins the pivotably connected ends of the tongs 18 c, 20 c.
  • the integral connection 26 c provides lesser spacing between the tongs 18 c, 20 c than that shown in connection with FIGS. 2A, 2B , and 3 A to aid mechanical connection and gripping and stripping of the hair between the thin layers of pad material 18 b, 20 b.
  • a method for removing nits, eggs, and lice from human hair by first placing nit laden hair shafts 12 between opposed pads 28 , 30 formed of the afore-mentioned material. The pads 28 , 30 are then biased toward each other, such that the nit laden hair shafts 12 are gripped there between. The nits, eggs, and lice are mechanically stripped from the hair shafts by moving the opposed pads along the length of the hair gripped there between.
  • the pads 28 , 30 are removably mounted on a pair of pivotably joined tongs 18 , 20 , as described hereinabove.
  • the nit laden hair shafts 12 are placed between opposed pads 28 , 30 when the tongs are in a substantially open position (see FIG. 2A ).
  • Pressure is then applied to rotate the tongs 18 , 20 toward a closed position (see FIG. 3A ), thereby biasing the pads 28 , 30 toward the nit laden hair shafts 12 forming a cooperative engagement with the hair shafts 12 .
  • the tongs 18 , 20 and cooperating pads 28 , 30 are thereafter moved along the length of the nit laden hair shafts 12 , whereupon the abrasive material forming the pads 28 , 30 engages nits about the hair shafts to remove the nits from the hair shafts.
  • the nit stripping device is provided with suitable abrasive pads that serve to capture the dislodged infestations therein.
  • the pads are of a thinner design and capable of stripping but not capturing the nits, eggs, and lice.
  • the tongs of the nit picking device itself are designed to mechanically mesh and cooperate for stripping the infestations from the hair shafts.

Abstract

A nit picking device and method for mechanically stripping nits, eggs, and lice from human hair. The device includes a pair of cooperating tongs each of which is elongated and joined at one end to the juxtaposed end portion of the cooperating tong. The opposite ends of the tong serve to carry an abrasive pad capable of stripping nits from nit laden human hair shafts. As the pads with human hair gripped there between are moved along the length of the hair, the nits are removed from the shafts and in one embodiment captured at least in part in the pads carried by tongs.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This application is a continuation-in-part application of U.S. patent application Ser. No. 11/121,623, filed May 4, 2005.
  • STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
  • Not Applicable
  • BACKGROUND OF THE INVENTION
  • 1. Field of Invention
  • This invention pertains to a method and device for removing nits, eggs and lice from human hair and more specifically concerns a method and device which serves to mechanically strip nits from human hair as abrasive pads or other suitable material are moved along the length of nit-laden hair shafts gripped therebetween.
  • 2. Description of the Related Art
  • Mechanical devices suitable for extracting nits from human hair have hereto before been known. Known devices generally include a comb having one or more rows of teeth that are selectively spaced to aid in combing head lice, nits, and eggs from human hair. Certain devices such as U.S. Pat. No. 6,098,633, include a plurality of teeth rows spaced such that the first row performs a course combing for head lice, nits and eggs and a second row of teeth performs a more fine filtering of head lice, nits and eggs. U.S. Pat. No. 6,086,682 discloses a combing device which is combined with a vacuum cleaner such that nits, eggs, and head lice removed by the closely-spaced comb teeth can be drawn into a vacuum cleaner hose and deposited at a remote location. Other known devices include teeth which may be mechanically adjusted such that the comb can be used for different textures of hair and to aid in cleaning.
  • Other known devices are shown in the following patents: U.S. Pat. Nos. D274,658, D275,804, D289,567, D307,192, D365,662, 1,950,667, 2,477,245, 4,819,670, 4,936,259, 5,636,646, 6,006,758, 6,158,443, 6,524,604, 6,541,455, and 6,565,665.
  • BRIEF SUMMARY OF THE INVENTION
  • The present invention provides a device and method for removing nits, eggs, and lice from human hair. In one embodiment of the invention, a pair of cooperating tongs carry abrasive pads or sheets of abrasive material. A first substantially elongated tong is pivotably secured proximate a second substantially elongated tong. Each one of the first and second tongs has an inner surface opposing a cooperating inner surface of the other of the first and second tongs. Each of the pair of abrasive pads is secured to one of the inner surfaces of the first and second tongs.
  • The pads are fabricated from a nonwoven fibrous material at least partially coated with an inorganic abrasive particulate material. In a preferred embodiment, an inorganic abrasive particulate additive at least partially covers the nonwoven fibrous material and serves the purpose of helping to detach the head louse nit from the hair to which it is attached. Human hair shafts laden with nits, eggs, or lice are engaged between the pads and as the pads are moved in this engagement relationship along the length of the hair, the nits, eggs, and lice are mechanically separated from the hair shafts. In a preferred embodiment, the tongs are pivotably connected at one end by a suitable spring mechanism which biases the tongs and the pads carried thereby to an open position ready to receive nit laden hair shafts.
  • BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
  • The above-mentioned features of the invention will become more clearly understood from the following detailed description of the invention read together with the drawings in which:
  • FIG. 1 illustrates use of one embodiment the nit stripping device of the present invention and a method for stripping nits, lice, and eggs from hair shafts;
  • FIG. 2A discloses a perspective view of the nit stripping device of FIG. 1;
  • FIG. 2B discloses an exploded view of the nit stripping device of FIG. 2A;
  • FIG. 3A discloses a side elevation view of the nit stripping device shown in FIGS. 2A and 2B;
  • FIG. 3B discloses another embodiment of a nit stripping device constructed in accordance with several features of the present invention;
  • FIG. 3C discloses another embodiment of a nit stripping device constructed in accordance with various features of the present invention having a thin layer of abrasive material mounted at stripping ends of the tongs; and
  • FIG. 3D shows another embodiment of a nit stripping device constructed in accordance with several features of the present invention, in which the connected ends of the tongs are integrally formed.
  • DETAILED DESCRIPTION OF THE INVENTION
  • A nit stripping device incorporating various features of the present invention is illustrated generally at 10 in FIG. 1. This nit stripping device is designed to grip nit laden hair shafts 12 such as shown on the child 14. As will be discussed further below, the operator 16 grips the infested hair shafts 12 with the device 10 and moves it along the length of the hair, as by pulling, whereupon nits, eggs, and lice are stripped therefrom.
  • To this end, and as shown in FIG. 2A, the device 10 includes a first tong 18 and a second tong 20. Each of the tongs 18, 20 defines a longitudinal axis. The tongs 18, 20 are pivotably connected at proximal end portions 22, 24 respectively, such that the first tong 18 is selectively rotatable proximate the second tong 20 between a first, substantially open position and a second, substantially closed position.
  • In the illustrated embodiment, it is noted that the tongs 18, 20 are fabricated from a pliable material which, in the embodiment shown in FIGS. 2A, 2B, and 3A, form an elongated bent portion of plastic, aluminum or the like, such that the joined proximal ends 22, 24 are connected by the integrally formed arcuate section 26 shown in FIGS. 2A, 2B, and 3A. Those skilled in the art will recognize other suitable configurations for accomplishing a pivotal connection between proximal end portions 22, 24 and such other configurations may be used without departing from the spirit and scope of the present invention. For example, in another embodiment, a hinged connector incorporating a compression spring connects the pivotably connected ends of the tongs for biasing the tongs toward an open position.
  • Referring now to FIGS. 2A and 2B, distal ends 40, 42 of the tongs 18, 20 include first and second opposing inner surfaces 44, 46, respectively. Pads 28, 30 are mounted to the inner surfaces 44, 46 of the tongs 18, 20, respectively, proximate the distal ends 40, 42. The pads 28, 30 are fabricated at least in part from a nonwoven fibrous material. In several embodiments, the nonwoven fibrous material is prepared from nylon or other synthetic polymer which is drawn to develop molecular orientation and mechanical strength. In a preferred embodiment, the synthetic fibers are drawn to exhibit an average diameter of approximately 50 micrometers, however, those skilled in the art will recognize other sizes of synthetic fibers suitable for fabrication of the pads 28, 30. The fibrous material is at least partially coated with an inorganic abrasive particulate which serves the purpose of helping to detach a head louse nit from a hair to which it is attached. The abrasive particles may be of various sizes, but preferably exhibit an average diameter of between one and 50 micrometers.
  • The particulate-coated fibrous material is randomly dispersed to form the nonwoven pads 28, 30. The nonwoven pads 28, 30 are formed so as to be sufficiently abrasive to strip nits or lice from strands of hair when the strands of hair are moved between the pads, yet are also sufficiently resilient to allow the hair to move between the pads without resulting in shear failure of the hair strands. In one embodiment, the abrasive particulates are attached to the surface of the synthetic fibers with a binder. In another embodiment, the abrasive particulates are incorporated into the synthetic fibers during formation of the fibers into the random dispersion pattern to form the pads 28, 30. Those skilled in the art will recognize other suitable methods for forming the pads 28, 30, and such methods may be used without departing from the spirit and scope of the present invention.
  • Referring now to FIG. 2B, the pads 28, 30 are preferably releasably mounted to the inner surfaces 44, 46 of the tongs 18, 20 by suitable hook and loop fastener strips 32, 34. These strips are secured to cooperating hook and loop fastener members 48, 50 carried on the juxtaposed and operatively mounted pads 28, 30. In the embodiment of FIGS. 2A, 2B, and 3A, suitable stops 36, 38 are provided to assist in the placement of the pads 28, 30, respectively, in a proper alignment with each other. In the illustrated embodiment, each stop 36, 38 is defined by a wall integrally formed with and extending from one of the tongs 18, 20. The stops 36, 38 are positioned along the distal end inner surfaces 46, 48 such as to align the pads 28, 30 along the tongs 18, 20 to substantially register the pads 28, 30 with one another. In more discreet embodiments, each of the pads 28, 30 defines a longitudinal axis, thereby allowing the pads 28, 30 to be secured to the tongs 18, 20 in such a configuration that the longitudinal axis of each of the pads 28, 30 extends substantially parallel to and along the longitudinal axis of the cooperating tong 18, 20, respectively.
  • In several embodiments, such as the embodiment shown in FIGS. 1 through 3A, the distal ends 40, 42 and cooperating pads 28, 30 are tapered along the length of the tongs 18, 20. As best shown in FIG. 1, the taper of the distal ends 40, 42 equips each of the tongs 18, 20 with a substantially pointed end 52, which serves to assist the operator 16 in gathering a section of infested hair shafts 12 for placement between the pads 28, 30 for stripping of nits, eggs and lice therefrom. Of course, those skilled in the art will recognize that such tapering along the length of the tongs 18, 20 merely provides a convenience to the operator 16 in gathering invested hair shafts 12. As such, tapering of the distal ends and cooperating pads may be omitted from certain other embodiments without departing from the spirit and scope of the present invention.
  • As shown in FIGS. 2A and 3A, with the pads 28, 30 mounted to the inner surfaces 44, 46 of the tongs 18, 20, the tongs 18, 20 are selectively rotatable between the first and second positions such as to allow the pads 28, 30 to be brought into and out of proximity with one another. Referring to FIG. 3A, with the device 10 in the first position, the first tong 18 is brought into close proximity to the second tong 20, thereby bringing the first pad 28 into cooperative engagement with the second pad 30. Conversely, in the second position, shown in FIG. 2A, the first tong 18 is rotated away from the second tong 20, thereby moving the first pad 28 out of engagement with the second pad 30.
  • FIG. 3B, illustrates an alternate embodiment of the device 10 a which is provided with tongs 18 a, 20 a which do not include the stops shown in FIGS. 2A, 2B, and 3A. It will also be noted that the pads 28 a, 30 a used in connection with the device 10 a in FIG. 3B are of a lesser thickness than the pads shown in connection with the device illustrated in FIGS. 2A, 2B, and 3A.
  • The thicker pads 18, 20 shown in FIGS. 2A, 2B, and 3A serve both to strip the nits, eggs, and lice from the hair shafts and to capture the stripped nits, eggs, and lice within the pads themselves. In several embodiments, the pads 18, 20 are selectively removable and replaceable, thereby allowing the pads 18, 20 to be discarded after use. FIG. 3C illustrates another embodiment of the nit stripping device 10 b having thin layers of pad material 28 b, 30 b mounted on the gripping end portions of the tongs. These thin layers of pad material 28 b, 30 b serve to mechanically grip the nit laden hair and strip the nits, eggs, and lice therefrom. The pad materials 28 b, 30 b are porous, and thus allow the nits, eggs, and lice to be trapped and/or embedded in the pores, and thereby to be captured. It will also be noted that the device 10 b shown in FIG. 3C is provided with a hinge connection 26 b that mechanically joins the juxtaposed and pivotably connected ends of the tongs 18 b, 20 b. In this embodiment, the hinge connection 26 b is unbiased. Thus, a user would need to mechanically open and close the tongs 18 b, 20 b for receiving and gripping the hair respectively. It will also be noted that this connection 26 b provides less spacing between the tongs 18 b, 20 b than is shown in connection with FIGS. 2A, 2B, and 3A, since the effective thickness of the thin layers of pad material 18 b, 20 b is of a lesser thickness than shown in connection with FIGS. 2A, 2B, and 3A.
  • FIG. 3D shows a nit stripping device 10 c incorporating the thin layers of pad material 28 b, 30 b mounted on the gripping and stripping ends of tongs 18 c, 20 c. This embodiment of the device includes an integral connection 26 c which joins the pivotably connected ends of the tongs 18 c, 20 c. The integral connection 26 c provides lesser spacing between the tongs 18 c, 20 c than that shown in connection with FIGS. 2A, 2B, and 3A to aid mechanical connection and gripping and stripping of the hair between the thin layers of pad material 18 b, 20 b.
  • Referring now to FIG. 1, in operation, a method is provided for removing nits, eggs, and lice from human hair by first placing nit laden hair shafts 12 between opposed pads 28, 30 formed of the afore-mentioned material. The pads 28, 30 are then biased toward each other, such that the nit laden hair shafts 12 are gripped there between. The nits, eggs, and lice are mechanically stripped from the hair shafts by moving the opposed pads along the length of the hair gripped there between.
  • Preferably, the pads 28, 30 are removably mounted on a pair of pivotably joined tongs 18, 20, as described hereinabove. In this configuration, the nit laden hair shafts 12 are placed between opposed pads 28, 30 when the tongs are in a substantially open position (see FIG. 2A). Pressure is then applied to rotate the tongs 18, 20 toward a closed position (see FIG. 3A), thereby biasing the pads 28, 30 toward the nit laden hair shafts 12 forming a cooperative engagement with the hair shafts 12. The tongs 18, 20 and cooperating pads 28, 30 are thereafter moved along the length of the nit laden hair shafts 12, whereupon the abrasive material forming the pads 28, 30 engages nits about the hair shafts to remove the nits from the hair shafts.
  • From the foregoing detailed description, it will be recognized by those skilled in the art that an improved device and method has been provided for removing as by stripping nits, eggs, and lice from infested human hair shafts. In one embodiment the nit stripping device is provided with suitable abrasive pads that serve to capture the dislodged infestations therein. In another embodiment, the pads are of a thinner design and capable of stripping but not capturing the nits, eggs, and lice. In yet another embodiment, the tongs of the nit picking device itself are designed to mechanically mesh and cooperate for stripping the infestations from the hair shafts.
  • While the present invention has been illustrated by description of several embodiments and the illustrative embodiments have been described in considerable detail, it is not the intent of the applicant to restrict or in any way limit the scope of the appended claims to such detail. Additional advantages and modifications may readily appear to those skilled in the art. The invention in its broader aspects is therefore not limited to the specific details, representative apparatus and methods, illustrative examples shown and described. Accordingly, departures may be made from such details without departing from the spirit of scope of the applicant's general inventive concept.

Claims (20)

1. An apparatus for mechanically extracting nits, eggs, and lice from human hair, said apparatus comprising:
a first substantially elongated tong pivotably secured proximate a second substantially elongated tong, each one of said first and second tongs having an inner surface opposing a cooperating inner surface of the other of said first and second tongs;
a pair of abrasive pads, each of said pair of abrasive pads being secured to one of said inner surfaces of said first and second tongs, each of said pair of abrasive pads being fabricated from a nonwoven fibrous material at least partially coated with an inorganic abrasive particulate material.
2. The apparatus of claim 1 wherein said nonwoven fibrous material is a drawn synthetic polymer.
3. The apparatus of claim 2 wherein said nonwoven fibrous material is a synthetic polymer drawn to exhibit an average diameter of approximately 50 micrometers.
4. The apparatus of claim 1 wherein said inorganic abrasive particulate material includes a plurality of abrasive particles, said plurality of abrasive particles having an average diameter per abrasive particle of between approximately one and 50 micrometers.
5. An apparatus for mechanically removing nits or lice from strands of human hair, said apparatus comprising:
a pair of tongs including a first tong and a second tong, each of said tongs defining a proximal end and a distal end, each said distal end including an inner surface facing and opposing an inner surface of said other distal end, said pair of tongs being joined proximate said proximal end such that the first tong is rotatable proximate the second tong between a first position and a second position, said second position placing said first distal end inner surface in close proximity to said second distal end inner surface; and
a pair of abrasive pads, one of said pair of abrasive pads being secured to said first inner surface, the other of said pair of abrasive pads being secured to said second inner surface, each of said pair of abrasive pads being fabricated from a nonwoven fibrous material at least partially coated with an inorganic abrasive particulate material;
whereby said pair of abrasive pads are collectively sufficiently abrasive to strip nits or lice from strands of hair when the strands of hair are placed between said abrasive pads, said pair of tongs are biased toward said second position, and said pair of abrasive pads are moved along the length of the strands of hair.
6. The apparatus of claim 5 wherein each of said pair of abrasive pads is removably secured to said cooperating inner surface.
7. The apparatus of claim 5 wherein each of said pair of abrasive pads is removably secured to said cooperating inner surface by a hook and loop fastener.
8. The apparatus of claim 5 further including a pair of stops, one of said pair of stops being connected to and extending from each of said first distal end inner surface and said second distal end inner surface, wherein each of said pair of abrasive pads abuts a corresponding one of said pair of stops.
9. The apparatus of claim 5 wherein said pair of abrasive pads serve to trap said nits therein.
10. The apparatus of claim 9 wherein each of said pair of abrasive pads is removably secured to said cooperating inner surface.
11. The apparatus of claim 9 wherein each of said pair of abrasive pads is removably secured to said cooperating inner surface by a hook and loop fastener.
12. The apparatus of claim 5 wherein each of said pair of abrasive pads defines a longitudinal axis and wherein each of said pair of tongs defines a longitudinal axis, said longitudinal axis of each of said pair of abrasive pads being parallel to one said longitudinal axis of said pair of tongs.
13. The apparatus of claim 5 wherein each of said pair of abrasive pads is sufficiently resilient to allow said pair of abrasive pads to strip the nits or lice from the strands of human hair without resulting in shear failure of said strands of human hair.
14. The apparatus of claim 5 wherein said pair of stops align said pair of abrasive pads on said pair of tongs such that said pair of pads substantially register when said pair of tongs is placed in said first position.
15. The apparatus of claim 5 wherein said pair of stops are integrally formed with said pair of tongs.
16. The apparatus of claim 5, wherein said each of said pair of stops extends perpendicularly from a corresponding one of said pair of tongs.
17. The apparatus of claim 5, wherein said stop comprises a wall defined by one of said first and second distal ends.
18. A method for removing nits, eggs, and lice from human hair comprising the steps of:
providing a pair of abrasive pads, one of said pair of abrasive pads being secured to an inner surface of one tong of a pair of tongs, the other of said pair of abrasive pads being secured to an inner surface of another tong of a pair of tongs, each of said pair of abrasive pads being fabricated from a nonwoven fibrous material at least partially coated with an inorganic abrasive particulate material;
placing nit-laden hair shafts between opposed pads of abrasive material; biasing the pads toward one another such that the shafts are cooperatively engaged thereby between; and mechanically stripping the nits from the hair shafts by moving the opposed pads engaging the hair along the length of the hair.
19. The method for removing nits, eggs and lice from human hair of claim 18 including first the step of mounting each of said pads on said respective tong inner surfaces.
20. The method for removing nits, eggs and lice from human hair of claim 18 wherein said step of biasing the pads toward one another is accomplished by applying forces to said pair of tongs such that said pair of pads are moved towards each other to engage said nit-laden hair shafts there between.
US11/851,866 2005-05-04 2007-09-07 Nit Stripping Device Abandoned US20070295350A1 (en)

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US11/851,866 US20070295350A1 (en) 2005-05-04 2007-09-07 Nit Stripping Device
US13/162,996 US20110240051A1 (en) 2005-05-04 2011-06-17 Nit Stripping Device
US13/442,366 US8474176B2 (en) 2005-05-04 2012-04-09 Nit stripping device and method

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US11/121,623 US20060248785A1 (en) 2005-05-04 2005-05-04 Nit stripping device
US11/851,866 US20070295350A1 (en) 2005-05-04 2007-09-07 Nit Stripping Device

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FR2931637A1 (en) * 2008-05-30 2009-12-04 Oreal Cosmetic treatment e.g. coloring, method for human hair, involves abrading hair using abrasion unit including abrasive and non-abrasive surfaces, and applying cosmetic treatment product on hair before, after and/or during abrasion of hair
FR2931635A1 (en) * 2008-05-30 2009-12-04 Oreal Human hair treatment e.g. permanent waving, method, involves applying abrasive surface on hair, moving abrasive surface to contact hair by mechanized system to realize abrasion of hair, and arranging mechanized system for vibrating surface
FR2931636A1 (en) * 2008-05-30 2009-12-04 Oreal Human hair treatment e.g. permanent waving, method, involves abrading hair using abrasive and non-abrasive surfaces, and providing surfaces in contact with hair during abrasion, where one of surfaces acts on hair through abrasion
WO2009156668A2 (en) * 2008-05-30 2009-12-30 L'oreal Hair treatment methods and kits
US8474176B2 (en) * 2005-05-04 2013-07-02 Amy Shelton Nit stripping device and method
US8770208B2 (en) 2011-07-07 2014-07-08 Kelly Meinig Treatment of head lice infestations
US10328112B2 (en) 2017-11-29 2019-06-25 Michael S. Hatten Abrasive pediculicide compositions comprising materials, kits, and methods of use
US10362849B2 (en) * 2016-06-09 2019-07-30 Wipe & Remove Nits, LLC Lice and nit removal tool and method
US20210235843A1 (en) * 2020-01-31 2021-08-05 L'oreal Adjustable cosmetic assemblies and applicators

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US8474176B2 (en) * 2005-05-04 2013-07-02 Amy Shelton Nit stripping device and method
WO2009156668A2 (en) * 2008-05-30 2009-12-30 L'oreal Hair treatment methods and kits
FR2931636A1 (en) * 2008-05-30 2009-12-04 Oreal Human hair treatment e.g. permanent waving, method, involves abrading hair using abrasive and non-abrasive surfaces, and providing surfaces in contact with hair during abrasion, where one of surfaces acts on hair through abrasion
FR2931637A1 (en) * 2008-05-30 2009-12-04 Oreal Cosmetic treatment e.g. coloring, method for human hair, involves abrading hair using abrasion unit including abrasive and non-abrasive surfaces, and applying cosmetic treatment product on hair before, after and/or during abrasion of hair
WO2009156668A3 (en) * 2008-05-30 2010-05-06 L'oreal Hair treatment methods and kits
US20110120487A1 (en) * 2008-05-30 2011-05-26 L'oreal Hair treatment methods and kits
FR2931635A1 (en) * 2008-05-30 2009-12-04 Oreal Human hair treatment e.g. permanent waving, method, involves applying abrasive surface on hair, moving abrasive surface to contact hair by mechanized system to realize abrasion of hair, and arranging mechanized system for vibrating surface
US8770208B2 (en) 2011-07-07 2014-07-08 Kelly Meinig Treatment of head lice infestations
US10362849B2 (en) * 2016-06-09 2019-07-30 Wipe & Remove Nits, LLC Lice and nit removal tool and method
US10765192B2 (en) * 2016-06-09 2020-09-08 Wipe & Remove Nits, LLC Lice and nit removal tool and method
US10328112B2 (en) 2017-11-29 2019-06-25 Michael S. Hatten Abrasive pediculicide compositions comprising materials, kits, and methods of use
US11000563B2 (en) 2017-11-29 2021-05-11 Michael S. Hatten Abrasive pediculicide compositions comprising materials, kits, and methods of use
US20210235843A1 (en) * 2020-01-31 2021-08-05 L'oreal Adjustable cosmetic assemblies and applicators

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