US20140005688A1 - Hair removing device and method of use - Google Patents

Hair removing device and method of use Download PDF

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Publication number
US20140005688A1
US20140005688A1 US13/261,722 US201113261722A US2014005688A1 US 20140005688 A1 US20140005688 A1 US 20140005688A1 US 201113261722 A US201113261722 A US 201113261722A US 2014005688 A1 US2014005688 A1 US 2014005688A1
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United States
Prior art keywords
arms
base member
elements
twined
movable member
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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.)
Abandoned
Application number
US13/261,722
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English (en)
Inventor
Manju Sarkar
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Individual
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Individual
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Publication of US20140005688A1 publication Critical patent/US20140005688A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D26/00—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers
    • A45D26/0066—Tweezers
    • A45D26/0071—Tweezers the hair being extracted automatically, i.e. without manual traction by the user
    • A45D26/0076—Tweezers the hair being extracted automatically, i.e. without manual traction by the user power-driven
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D26/00—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers

Definitions

  • the present invention relates generally to the field of hair removing devices and particularly to devices for uprooting facial hair.
  • a common method of removing unwanted hair at skin level is by shaving, by using a razor or other types of blades. Shaving however easily cuts the skin and may require daily shaves. The results are often rather short-lived. Besides, this is not a practical method for precisely removing individual hairs.
  • Another method is to apply chemicals to the skin for dissolving or burning out unwanted hair. Such depilation method may however cause chemical burns or allergic reactions. Besides, this treatment being on the surface, the results may be inconsistent or short-lived, requiring frequent applications of the chemicals. Using such chemicals on the face is generally too harsh.
  • Threading is a popular method of removing hair from the follicles, particularly for removing facial hair. Threading requires a trained practitioner to use a twined section of the thread, while supporting the thread between her teeth and hands. She manipulates the twined section in order to engage and uproot the unwanted hairs.
  • FIGS. 1 a and 1 b illustrate top views of the mechanism of engaging and uprooting hairs ( 107 ) from a hairy surface ( 108 ) of a body (not shown), by the commonly practiced manual threading mechanism.
  • the thread ( 102 ) is manually maintained under a tension.
  • the lengths of the two ends ( 103 ) and ( 104 ), and the size of the loop ( 106 ) are manipulated manually to move the twined section ( 105 ) to be closer to the loop ( 106 ) as shown in FIG. 1 a and to be closer to the two ends ( 103 ) and ( 104 ) as shown in FIG. 1 b.
  • the thread ( 102 ) under the tension is rested with a pressure, on the hairy surface ( 108 ) as shown in FIG. 1 a.
  • hairs ( 107 ) get engaged into the moving twined section ( 105 ) and uprooted thereafter, as shown in FIG. 1 b.
  • FIG. 1 c shows an enlarged view of a portion of the two ends ( 103 ) and ( 104 ) along with a portion of the twined section ( 105 ), for illustrating the mechanism of engaging the hairs ( 107 ) within the twined section ( 105 ) as it moves forward in the direction of the block arrow. This movement results in uprooting of the hairs ( 107 ) along the way.
  • the present invention relates to a simple construction of a hair engagement and removing device particularly for removing facial hair, the device being easy to operate and having minimal moving parts.
  • the device comprises a base member, with two elongate arms extending outwardly from the base member while maintaining a spacing in between the two arms.
  • Two elongate flexible threadlike elements each having a first end and a second end, are in mutually twined engagement to form a twined section between the two first and second ends.
  • the two first ends are secured correspondingly to the two arms on an outer side and the two second ends are secured correspondingly to the two arms on an inner side, wherein the twined section is positioned in the spacing, under a tension.
  • the outer side is remote from the base member and the inner side is towards the base member.
  • a substantially rigid movable member extends outwardly from the base member and is movable relative to the base member in repeatable reciprocating motion of a forward stroke and a reverse stroke.
  • the movable member urges the twined section to move from the inner side to the outer side during the forward stroke and releases the twined section to resiliently retract to the inner side during the reverse stroke.
  • at least a portion of the arms is rested over a hairy surface and the twined section is capable of engaging and uprooting hair(s) during the forward stroke.
  • the device comprises a resilient means for regulating the reciprocating motion.
  • the resilient means is a spring disposed between a portion of the base member and a portion of the movable member.
  • the device comprises an electrically operable means for regulating the reciprocating motion.
  • the base member and the two arms are relatively so oriented that while use, when the two arms are rested over the hairy surface, there is enough clearance for a user to conveniently hold the base member and perform the reciprocating motion.
  • At least a portion of the elements is made of nylon or metal.
  • At least one of the following is detachable from the base member and is replaceable: a) the arms with the elements secured to the arms, and b) the elements.
  • the device further provides the following as spare parts: a) the arms with the elements secured to the arms, and b) the elements.
  • the movable member is movably coupled to the elements in between the twined section and second ends, such that during the reverse stroke, the movable member assists the twined section to resiliently retract towards the inner side.
  • the first and second ends are along a lower face of the two arms, the lower face being in contact with the hairy surface when using the device.
  • the twined section makes an enhanced contact with the hairy surface.
  • a kit comprises a plurality of the devices, that are in varying sizes at any part of the devices, for selective use on various parts of body.
  • a method for removing hair by using the proposed device is provided.
  • the method is to hold the base member by a first hand and rest the two arms on a first location of the hairy surface such that at least a part of the twined section particularly towards the outer end makes contact with the hairy surface.
  • the movable member is then moved in the reciprocating motion for engaging hair(s) in the twined section and uprooting them.
  • the steps of resting and moving are conducted a selected number of times at more locations, while optionally stretching the hairy surface with a second hand for improving the hair engagement.
  • the method comprises a step of performing the reciprocating motion by a resilient means that is provided between the base member and the movable member.
  • the resilient means is a spring disposed between a portion of said base member and a portion of said movable member.
  • the method comprises a step of performing the reciprocating motion by an electrically operable means.
  • the method further comprises a step of replacing at least one of the following in the device: a) the arms with the elements secured to the arms, and b) the elements.
  • the method comprises a step of assisting the twined section to resiliently retract towards the inner side during the reverse stroke, by using the movable member that is movably coupled to the elements in between the twined section and the second ends.
  • FIG. 1 a illustrates a top view for the mechanism of engaging and uprooting hair from a hairy surface of a body, by the means of the commonly practiced manual threading.
  • the twined section is shown to be closer to a loop of the thread.
  • FIG. 1 b illustrates the mechanism as described in FIG. 1 a, but with the twined section shown to be moved closer to the two ends of the thread.
  • FIG. 1 c shows an enlarged view of a portion of the two ends and a portion of the twined section as described in FIGS. 1 a and 1 b, for illustrating the mechanism of engaging the hair within the twined section as it moves forward, to result in uprooting of the hair.
  • FIG. 2 illustrates a method of use of the hair removing device, according to an embodiment of the invention.
  • FIG. 3 a illustrates a perspective view of the hair removing device according to an embodiment of the invention.
  • the twined section is towards an inner side.
  • FIG. 3 b illustrates a cross-sectional side view of the device as illustrated in FIG. 3 a.
  • FIG. 3 c shows the two elongate flexible threadlike elements, that are in mutually twined engagement to form the twined section between the two first and second ends, as shown in FIG. 3 a.
  • FIG. 4 a illustrates a perspective view of the device as illustrated in FIG. 3 a , when the twined section is moved towards the outer side.
  • FIG. 4 b illustrates a cross-sectional side view of the device as illustrated in FIG. 4 a.
  • FIG. 4 c shows the two elongate flexible threadlike elements, that are in mutually twined engagement to form the twined section between the two first and second ends, as shown in FIG. 4 a.
  • the embodiments of the present invention provide a device particularly (though not exclusively) for self use, for engaging and uprooting body hair.
  • the device is simple to operate, whether manually or by electrical means.
  • the device has a simple construction and has minimal moving parts, particularly in the region resting on the body for removing hair.
  • the device is particularly suitable for removing facial hair, such as for eyebrow shaping, for clearing upper lip hair and for clearing side cheek hair.
  • the device is self usable, it can also be used on another body, whether for private or for commercial application like in beauty parlors.
  • FIG. 2 illustrates a method of use of the device ( 200 ), according to an embodiment of the invention.
  • the device ( 200 ) is hand held either for self use or for use on another body, while a portion of the device ( 200 ) is rested on a hairy surface ( 202 ).
  • the device ( 200 ) is operable by a finger such as the thumb for repeatedly pressing and releasing.
  • FIG. 3 a illustrates a perspective view of the device ( 200 ) according to an embodiment and FIG. 3 b illustrates a cross-sectional side view of the device ( 200 ) shown at FIG. 3 a .
  • the device ( 200 ) includes a base member ( 301 ), from which two elongate arms ( 302 ) extend outwardly while maintaining a spacing ( 310 ) in between.
  • the device ( 200 ) also includes two elongate flexible threadlike elements ( 311 ), each having a first end ( 303 ) and a second end ( 305 ).
  • the elements ( 311 ) are in mutually twined engagement to form a twined section ( 304 ) between the two first and second ends ( 303 ), ( 305 ).
  • FIG. 3 a illustrates a perspective view of the device ( 200 ) according to an embodiment
  • FIG. 3 b illustrates a cross-sectional side view of the device ( 200 ) shown at FIG. 3 a .
  • 3 c shows the elements ( 311 ), separately.
  • the two first ends ( 303 ) are secured correspondingly to the two arms ( 302 ) on an outer side ( 312 ) and the two second ends ( 305 ) are secured correspondingly to the two arms ( 302 ) on an inner side ( 313 ), such that the twined section ( 304 ) is positioned in the spacing ( 310 ) and under a tension.
  • the outer side ( 312 ) is defined to be remote from the base member ( 301 ) and the inner side ( 313 ) is defined to be towards the base member ( 301 ).
  • a substantially rigid movable member ( 306 ) extends outwardly from the base member ( 301 ) and is movable relative to the base member ( 301 ) in repeatable reciprocating motion of a forward stroke and a reverse stroke.
  • the movable member ( 306 ) urges the twined section ( 304 ) to move from the inner side ( 313 ) to the outer side ( 312 ) during the forward stroke and releases the twined section ( 304 ) to resiliently retract to the inner side ( 313 ) during the reverse stroke.
  • FIGS. 3 a to 3 c illustrate the configuration of the device ( 200 ) when the twined section ( 304 ) is towards the inner side ( 313 ).
  • FIGS. 3 c and 4 c illustrate the configuration of the device ( 200 ) when the twined section ( 304 ) is moved towards the outer side ( 312 ).
  • the second ends ( 305 ) may each terminate on the respective arm ( 302 ) or be connected together, similarly the first ends ( 303 ) may each terminate on the respective arm ( 302 ) or be connected together as shown by the dashed lines in FIGS. 3 c and 4 c .
  • such connection is unlikely to serve any purpose for the operation of the device ( 200 ).
  • the twined section ( 304 ) is capable of engaging and uprooting hair ( 314 ) during the forward stroke.
  • a resilient means ( 307 ) is shown between the base member ( 301 ) and the movable member ( 306 ) for regulating the reciprocating motion.
  • the resilient means ( 307 ) is a spring disposed between a portion of the base member ( 301 ) and a portion of the movable member ( 306 ).
  • the movable member ( 306 ) is shown to have a cap ( 308 ), that can be pressed manually to compress the resilient means ( 307 ) and allow the forward stroke. Upon release of the cap ( 308 ), the resilient means ( 307 ) retracts to allow the reverse stroke.
  • the base member ( 301 ) and the two arms ( 302 ) are relatively so oriented that while use, when the two arms ( 302 ) are rested over the hairy surface ( 202 ), there is enough clearance ( 316 ) as illustrated in FIGS. 3 b and 4 b , for a user to conveniently hold the base member ( 301 ) and perform the reciprocating motion.
  • the inner side ( 313 ) is also so oriented that while use, when the outer side ( 312 ) of the two arms ( 302 ) is rested over the hairy surface ( 202 ), the inner side ( 313 ) remains substantially above the hairy surface ( 202 ) such that the movable member ( 306 ) remains substantially contactless with the hairy surface ( 202 ) during the reciprocating motion.
  • This feature makes the use of the device ( 200 ) more convenient, as the movable member ( 306 ) does not rub on the hairy surface ( 202 ) during the repeated reciprocating motions.
  • the device ( 200 ) is operable by an electrical means such as a motor, for regulating the reciprocating motion.
  • the user may operate a switch to regulate the operation of the motor instead of pressing and releasing the cap ( 308 ).
  • the base member ( 301 ) is shown in a cylindrical shape, that is generally convenient to hold by hand. However, according to other embodiments, other shapes may equally be used. The dimensions of the cylinder may be just large enough for a convenient grip by hand. Smaller sizes are of convenience particularly when the device ( 200 ) is for use with precision, as for example in case of shaping the eyebrows.
  • the base member ( 301 ) may have a hollow structure for reducing weight. The material may desirably have enough rigidity such that it does not collapse while holding and performing the reciprocating motion.
  • the central region of the movable member ( 306 ) passes through the cylindrical base member ( 301 ) axially, while the two end regions are protruding out of the base member ( 301 ).
  • one end region urges the twined section ( 304 ) to move to the outer side ( 312 ) and the other end is used for accommodating the resilient means ( 307 ) and the cap ( 308 ).
  • the cap ( 308 ) may be pressed with the thumb for the forward stroke and released for the reverse stroke, while holding the base member ( 301 ) between other fingers.
  • the movable member ( 306 ) is movably coupled to the elements ( 311 ) in between the twined section ( 304 ) and second ends ( 305 ), by a guide ( 309 ) such that during the reverse stroke, the movable member ( 306 ) assists the twined section ( 304 ) to resiliently retract towards the inner side ( 313 ).
  • the guide ( 309 ) also assists the movable member ( 306 ) to have better control when urging the twined section ( 304 ) during the forward stroke.
  • the guide ( 309 ) may preferably be of a simple design, such that it can be easily slipped over the second ends ( 305 ) for the coupling, particularly when the elements ( 311 ) and the arms ( 302 ) with the elements ( 311 ) secured to them are detachable and replaceable.
  • the elements ( 311 ) are made of nylon or metal for providing substantially high resistance to the frictional wear and tear that is likely to occur due to the repeated forward and reverse strokes, while also having high resilience or elasticity. According to other embodiments, other materials that are suitable to serve this purpose may also be used.
  • At least one of the following is detachable and replaceable: a) the arms ( 302 ) with the elements ( 311 ) secured to the arms ( 302 ), and b) the elements ( 311 ).
  • the device ( 200 ) may also be provided with the following as spare parts: a) the arms ( 302 ) with the elements ( 311 ) secured to the arms ( 302 ), and b) the elements ( 311 ). Replacing the elements ( 311 ) would need adjusting the tension as well. Directions may need to be provided for the user to adjust the tension appropriately, without which the device ( 200 ) would not function properly.
  • the device ( 200 ) as a whole may be used as a disposable item, that can be used a few times and replaced with a new one, such as when the elements ( 311 ) lose the required elasticity or break.
  • the first and second ends ( 303 ), ( 305 ) are secured to the arms ( 302 ) on a lower face ( 317 ) as indicated by the block arrow, where the lower face ( 317 ) is the one to make contact with the hairy surface ( 202 ) while using the device ( 200 ).
  • a kit comprises a plurality of the devices ( 200 ) in varying dimensions at any part, for selective use on various parts of the body.
  • the various dimensions for the device ( 200 ) may be smaller such that the length of the forward stroke is smaller than for the device ( 200 ) that is usable on other parts of the body.
  • the base member ( 301 ) is held by a first hand, while resting said two arms ( 302 ) on a first location on said hairy surface ( 202 ) such that at least a part of said twined section ( 304 ) particularly towards the outer end ( 312 ) makes contact with said hairy surface ( 202 ).
  • the movable member ( 306 ) is then moved in said reciprocating motion, for engaging hair ( 314 ) in said twined section ( 304 ) and uprooting said hair ( 314 ).
  • the steps of resting and moving may be conducted a selected number of times at more locations, while optionally stretching said hairy surface ( 202 ) with a second hand, for improving said hair engagement.
  • the two arms ( 302 ) may desirably be of minimum possible thickness and width, for the convenience of resting over the hairy surface ( 202 ), particularly during precise removal of hair ( 314 ). However, the thickness and the width need to provide the required mechanical strength to withstand the pressure when these are rested on the hairy surface ( 202 ).
  • the two arms ( 302 ) may be longer or the spacing ( 310 ) may be wider for use on areas for non-precise removal of hair(s) ( 314 ).
  • the two arms ( 302 ) may be composed of metal or polymer or any other suitable material.
  • the twined section ( 304 ) can be moved forward by only a limited length. Hence, the length for the forward stroke should be maintained within this limit, such that the elements ( 311 ) do not break or lose their resilience too fast.
  • the elements ( 311 ) need to be of a material of substantially high elasticity or resilience.
  • the length of the end of the movable member ( 306 ) that accommodates the resilient member ( 307 ) and the cap ( 308 ), automatically regulates a predetermined length for the forward stroke.
  • the relative dimensions for the lengths of the two arms ( 302 ), the length of the twined section ( 304 ) and the spacing ( 310 ) may be optimized for the material of the twined section ( 304 ) used, for a maximum achievable length of the forward movement of the twined section ( 304 ) during the forward stroke. This would help remove more hairs ( 314 ) in a single forward stroke. For a given length of the two arms ( 302 ), smaller the spacing ( 310 ), lesser is the acute angle between the two first ends ( 303 ) and easier it is for the twined section ( 304 ) to move forward during the forward stroke.
  • Smaller lengths for the two arms ( 302 ) and smaller spacing ( 310 ) are also desirable for the device ( 200 ) when used for removing facial hair ( 314 ) such as for shaping the eyebrows and clearing the upper lip. While use, the cap ( 308 ) may as well be pressed to achieve a partial length of the forward stroke, particularly for precise hair removal.
  • the main challenge regarding the construction of this device ( 200 ) is the elastic property of the elements ( 311 ), that would determine their lifetime for use. Achieving longer lengths of the forward stroke for removing more hairs ( 314 ) in the same forward stroke is likely to be at the cost of the lifetime of the elements ( 311 ).

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  • Surgical Instruments (AREA)
US13/261,722 2011-03-25 2011-03-25 Hair removing device and method of use Abandoned US20140005688A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2011/000119 WO2011115584A1 (fr) 2011-03-25 2011-03-25 Dispositif d'élimination des poils et procédé d'utilisation

Publications (1)

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US20140005688A1 true US20140005688A1 (en) 2014-01-02

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US13/261,722 Abandoned US20140005688A1 (en) 2011-03-25 2011-03-25 Hair removing device and method of use

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US (1) US20140005688A1 (fr)
WO (1) WO2011115584A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3145466A1 (fr) 2023-02-02 2024-08-09 Raja BAROTTO Fil guipé pour l’épilation, dispositif et méthode associés

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2826951C (fr) * 2013-09-13 2021-02-23 Asani Threading Inc. Appareil d'epilation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB225445A (en) * 1924-03-27 1924-12-04 Chin Leong Li Improvements in and relating to hair removing instruments
US5643287A (en) * 1996-05-09 1997-07-01 Capehead Enterprises, Inc. Depilatory device
KR100777022B1 (ko) * 2006-06-26 2007-11-29 이재수 솜털 제거장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3145466A1 (fr) 2023-02-02 2024-08-09 Raja BAROTTO Fil guipé pour l’épilation, dispositif et méthode associés

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Publication number Publication date
WO2011115584A1 (fr) 2011-09-22

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