CA2669971A1 - Method and apparatus for self-threading - Google Patents

Method and apparatus for self-threading Download PDF

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Publication number
CA2669971A1
CA2669971A1 CA 2669971 CA2669971A CA2669971A1 CA 2669971 A1 CA2669971 A1 CA 2669971A1 CA 2669971 CA2669971 CA 2669971 CA 2669971 A CA2669971 A CA 2669971A CA 2669971 A1 CA2669971 A1 CA 2669971A1
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CA
Canada
Prior art keywords
thread
rotational mechanism
rotational
threading
threads
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA 2669971
Other languages
French (fr)
Inventor
Sivashanthan Sivapalan
Subodh S. Bharati
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA 2669971 priority Critical patent/CA2669971A1/en
Priority to PCT/CA2010/000923 priority patent/WO2010148482A1/en
Priority to CA2803754A priority patent/CA2803754A1/en
Priority to EP10791090.3A priority patent/EP2582264A4/en
Priority to US13/806,005 priority patent/US20130096578A1/en
Publication of CA2669971A1 publication Critical patent/CA2669971A1/en
Abandoned legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D26/00Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers

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  • Hair Curling (AREA)
  • Massaging Devices (AREA)

Abstract

This invention provides both a method and an apparatus for hair removal using thread. The method improves upon the ancient art of threading by negating the need to manipulate the thread at four points. By introducing the concept of rotational motion, it allows for the replacement of two of the manipulation points with a rotational mechanism. With this new method a self-threading, an apparatus is invented that is more precise and less unwieldy than existing self-threading apparatuses. It minimizes the amount of manual labour and skills required in such a way that a person not skilled in the art can easily use this apparatuses to thread with precision.

Description

Patent Application of Sivashanthan Sivapalan and Subodh Bharati For TITLE: METHOD AND APPARATUS FOR SELF-THREADING
FIELD OF THE INVENTION

This invention is related to epilation devices, specifically to such devices used for the removal of hair.

BACKGROUND OF THE INVENTION

Hair removal can be done by a variety of techniques and methods. One such method, called threading, originates from the ancient practice of the removal of hair by the use of pre-twisted thread [hereinafter "thread" includes thin wire, thin filament or any thread/wire like material] and manipulating it at four points.
The pre-twisted section of the thread is placed near the surface of the skin and is manipulated in such a way that hair is grasped and pulled from the follicle.

However this method requires a certain amount of skill. Furthermore, it is time consuming, manually intensive and difficult to do by ones-self with precision.
Thus threading usually requires the need for a second person trained in the art.

Recent attempts at self-threading apparatuses have been made however they suffer from being unwieldy and compromise precision.

SUMMARY OF THE INVENTION

The present inventors have recognized that one reason for the limitations of self-threading apparatuses in the prior art extends from the conventional threading requirement of four manipulation points.

Through our research, we have discovered a method for threading that replaces two of the four conventional manipulation points with a mechanism that twists and untwists thread using rotational motion in opposite directions.

Using this method we have invented a threading apparatus that uses a minimum of three manipulations points instead of four. This allows it to be smaller, more precise and less unwieldy than existing self-threading apparatuses. It minimizes the amount of manual labour and skills required in such a way that a person not skilled in the art can easily use this apparatuses to thread with precision.
If desired, the rotational mechanism [hereinafter "rotational mechanism" is defined as a mechanism that conveys rotational motion] of this threading apparatus may comprise an electric motor to enhance ease and precision.

In particular embodiments of this invention, a guide may be added to help select hair to be removed and further enhance precision. Other embodiments of this invention may include a magnifying glass and/or light to improve visibility and thus enhance precision. If desired, a cleaning brush to help remove dislodged hair left on the thread may also be included on particular embodiments of this invention.

Please note that each of these options provides particular advantages and can be implemented independently of the others.

These and other features as well as advantages of the invention over the prior art will become apparent from a consideration of the ensuing description and drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1A & FIG. 113 illustrate the conventional method of threading using four manipulation points;

FIG. 2A & FIG. 2B are diagrams illustrating the new method of threading by replacing two of the manipulation points by a bidirectional rotational mechanism.
FIG. 3A is a detailed diagram depicting the inventors' preferred threading embodiment of the present invention.

FIG. 3B depicts a sectional view of the inventors' preferred threading embodiment illustrating the springs in the pivotally connected arms as well as the electric motor and power source.

FIG. 3C is a diagram depicting the threading apparatus with its arms folded into their enclosure when not in use.

FIG. 4A and FIG. 4B are diagrams illustrating how the threading embodiment functions. FIG. 4A depicts the default state (rest state) of the embodiment.
FIG. 4B
depicts the end state of the embodiment.

FIG. 5A is an illustration of an embodiment that has no arms.

FIG. 5B is a diagram illustrating a particular embodiment of the present invention that has multiple threads and a plurality of arms.

FIG. 5C depicts an embodiment consisting of only one arm.
FIG. 6 is a diagram illustrating a particular embodiment of the present invention that includes a guide, a magnifying glass, and a light.

DETAILED DESCRIPTION OF THE INVENTION

Hair removal by the conventional practice of threading uses a pre-twisted thread that is placed near the surface of the skin. Using four points of manipulation, the thread is then moved in such a way that hair is grasped and pulled from the follicle.
FIG. 1A and FIG. 1B illustrate this conventional method of threading.

Existing self-treading devices have recently been developed that follow this conventional method of four points of thread manipulation to achieve hair removal.
However, these devices suffer from being unwieldy and do not provide the same precision as hand threading by a second person.

The present inventors realized that a new method for threading that did not require the use of four manipulation points would result in numerous benefits including a device that was less cumbersome and easier to use without compromising precision.
Through our research, we have discovered, as depicted in FIG. 2A and FIG. 2B, that threading can also be achieved by replacing two of the four manipulation points with a rotational mechanism that twists and untwists thread using bidirectional rotation. Using this method we have invented a threading apparatus that requires only a minimum of three manipulation points instead of four.

FIG. 3A and FIG. 3B are diagrams of a self-threading apparatus [hereinafter referred to as "threader'] embodying the principles of the present invention. The threader comprises of a body 100. A rotational mechanism 300 comprising an electric motor 308 is substantially housed within body 100 and its trigger 103 is attached outside.
Two arms 201, 202 extend out from body 100 and are slightly bent downwards at the tips to minimize obstruction while in use. As depicted in FIG. 3C, arms 201, 202 can be rotated back into body arm enclosures 101, 102 when not in use. A
thread 304 is fastened at connection point 303 [hereinafter "connection point" is defined as a structural element to fasten thread] on rotational mechanism 303 while its endpoints are fastened to connection points 301, 302 located on arms 201, 202.

In accordance with the invention, FIG. 4A and FIG. 4B illustrate how this embodiment functions. When triggered, rotational mechanism 300 will begin to rotate in one direction causing thread 304 attached to connection point 301 to start twisting. This twisting however will increase the tension in thread 304. To relieve this tension arms 201, 202 may be made pivotable by placing springs 306 and that yield in proportion to increasing tension in thread 304.

The rotational mechanism 300 will continue to rotate in the same direction until the tension in thread 304 is not sustainable due to apparatus limitations and the end state as depicted in FIG. 4B is reached. The rotational mechanism 300 will then begin to rotate in the opposite direction thereby untwisting thread 304. As thread 304 untwists and the tension in thread 304 decreases the arms 201, 202 will return to their default state as depicted in FIG. 4A. At this point the process may be .repeated as desired.

For further illustration, this can be described mathematically as follows:
Let D be the default state of the apparatus;

Let E be the end state of the apparatus;

Let Ra be the number of rotations of the rotational mechanism 300 in direction a;

Let Rb be the number of rotations of the rotational mechanism 300 in the opposite direction b.

Let x by the number of rotations required to reach E
Then at default state D (thread 304 fully untwisted), Ra=Rb=O.

And at the end state E (thread 304 maximum twisted), Ra=x and Rb=O.

When E is reached rotational mechanism 300 will begin to rotate in the opposite direction thus untwisting the twisted thread 304. The inventors have discovered the ideal rotational scheme to be one in which rotational mechanism 300 rotates an equal number of times x in direction b from the End State E.

Thus Rb=x until default state D (thread 304 fully untwisted) is again reached.
When placed next to the skin the twisting of thread 304 will cause hair to be removed from its follicles while the untwisting of thread 304 will cause the removed hair to be dislodged from thread 304.

Other Embodiments The inventors are aware that this method for hair removal may be achieved using other embodiments of the present invention.

For example, the inventors realize other rotational schemes may be used in different embodiments. For instance, rotational schemes in other embodiments could achieve hair removal without the necessity to reach E (thread maximum twisted) and/or return to D (thread fully untwisted).
The inventors also appreciate that there may be other ways to relieve the tension buildup in thread 304 as the rotational mechanism 300 rotates. One method would be to make connection point 305 elastic (hereinafter "elastic" is defined as ability of on a object or material to return to its original shape after it has been stretched, for example a spring) that lengthens and shortens in proportion to the increasing tension in thread 304. The connection points 302, 303 could also be elastic so that they yield in proportion to the increasing tension in thread 304.
Alternatively, arms 201 and 202 could be made of a resilient material that yields to some degree as tension increases.

The inventors appreciate that in some embodiments arms 201, 202 may slide into position or may fold together in different ways. Alternative the arms 201, 202 may be in a fixed position.

Other embodiments of the present invention, as depicted in FIG. 5A, may have no arms. However, it is also possible that particular embodiments of the present invention may comprise a plurality of arms, as depicted in FIG. 5B. In the alternative, FIG. SC depicts an embodiment consisting of only one arm.

The inventors also appreciate that in other embodiments of the invention, rotational mechanism 300 need not be fully enclosed within body 100. It may be partially enclosed within body 100 or totally outside. Similarly, trigger mechanism 102 need not be attached to the outside of body 100. Other embodiments may have trigger mechanism 102 attached to other parts of the apparatus such as arms 201, 202 while some embodiments may have it totally separate from the apparatus altogether.

The inventors appreciate that in other embodiments, rotational mechanism 304 of the present invention may be manual and/or mechanically powered. Furthermore, rotational mechanism 304 in some embodiments may be powered by other sources.
The inventors are aware that particular embodiments of the present invention may use multiple threads. As the preferred embodiment of the present invention use a single thread, hereinafter, "Plurality of threads" is defined as multiple threads or two loose ends of a single length of thread."

As depicted in FIG. 6, in particular embodiments of this invention, a guide 400 may be added to help select hair to be removed and further enhance precision.
Other embodiments of this invention, also depicted in FIG. 6, may include a magnifying glass 402 and/or light 401 to improve visibility and thus enhance precision.
If desired, a cleaning brush to help remove dislodged hair left on the thread may also be included on particular embodiments of this invention.

Please note that each of these options provides particular advantages and may be implemented independently of the others.

The fore going merely illustrates the principles of the invention. It is thus appreciated that others skilled in the art will be able to devise numerous other arrangements that while not shown and/or described herein, embody the principles of the invention and thus are within its spirit and scope.

Claims (20)

1. a method for hair removal comprising;

a) holding a plurality of threads at a single point;

b) holding the loose ends of the said threads apart from each other away from said single point; and c) conveying rotational motion at said single point thereby twisting said threads in such a way that said twisting will allow for the entrapment and pulling of hair.
2. the method in claim 1, further comprising a conveyance of rotational motion in the opposite direction thereby untwisting said threads in such a way that said untwisting allows pulled hair to be dislodged from said threads.
3. an apparatus for hair removal comprising;
a) a body;

b) one or more arms coupled to said body;

c) a plurality of connection points located on said arms;

d) a rotational mechanism substantially housed within said body;

e) a plurality of threads fastened to said rotational mechanism each extending out and fastened to separate said connection points; and f) a trigger that when manipulated causes said mechanism to rotate.
4. The apparatus in claim 3, wherein the said rotational mechanism continuously alternates the direction of its rotation.
5. The apparatus of claim 3, wherein the said rotational mechanism comprises an electric motor.
6. The apparatus in claim 5, wherein the said mechanism alternates the direction of its rotation.
7. The apparatus in claim 5 further comprises a power source.
8. The apparatus of claim 3, wherein each said arm is pivotally connected to said body.
9. The apparatus of claim 3, wherein the said plurality of connection points consists of only two connection points each located on a separate said arm.
10. The apparatus of claim 3 further comprises a guide fastened to said body and adjacent to said thread.
11. The apparatus of claim 3 further comprises a magnifying class fastened to said body adjacent to said thread.
12. The apparatus of claim 3 further comprises a light source fastened to said body and adjacent to said thread.
13. an apparatus for hair removal comprising;
a) a body;

b) a rotational mechanism substantially housed within the body;
c) a connection point located on said mechanism; and d) a trigger that when manipulated causes said mechanism to rotate.
14. The apparatus in claim 13 further comprises one or more arms coupled to said body.
15. The apparatus of claim 14, wherein the said rotational mechanism comprises an electric motor.
16. The apparatus of claim 15 further comprises a power source.
17. The apparatus of claim 15, wherein the said rotational mechanism alternates the direction of its rotation.
18. The apparatus of claim 14, wherein each said arm is pivotally connected to the said body.
19. The apparatus of claim 13, wherein the said rotational mechanism comprises an electric motor.
20. The apparatus in claim 19, wherein the said rotational mechanism alternates the direction of its rotation.
CA 2669971 2009-06-22 2009-06-22 Method and apparatus for self-threading Abandoned CA2669971A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA 2669971 CA2669971A1 (en) 2009-06-22 2009-06-22 Method and apparatus for self-threading
PCT/CA2010/000923 WO2010148482A1 (en) 2009-06-22 2010-06-21 Method λnd apparatus for self-threading
CA2803754A CA2803754A1 (en) 2009-06-22 2010-06-21 Method and apparatus for self-threading
EP10791090.3A EP2582264A4 (en) 2009-06-22 2010-06-21 Method and apparatus for self-threading
US13/806,005 US20130096578A1 (en) 2009-06-22 2010-07-21 Method and Apparatus for Self-Threading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2669971 CA2669971A1 (en) 2009-06-22 2009-06-22 Method and apparatus for self-threading

Publications (1)

Publication Number Publication Date
CA2669971A1 true CA2669971A1 (en) 2010-12-22

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Family Applications (2)

Application Number Title Priority Date Filing Date
CA 2669971 Abandoned CA2669971A1 (en) 2009-06-22 2009-06-22 Method and apparatus for self-threading
CA2803754A Abandoned CA2803754A1 (en) 2009-06-22 2010-06-21 Method and apparatus for self-threading

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2803754A Abandoned CA2803754A1 (en) 2009-06-22 2010-06-21 Method and apparatus for self-threading

Country Status (4)

Country Link
US (1) US20130096578A1 (en)
EP (1) EP2582264A4 (en)
CA (2) CA2669971A1 (en)
WO (1) WO2010148482A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481638B (en) * 2010-07-01 2012-08-29 Sarbjit Kehlar Improved hair removal device
FR3145466A1 (en) 2023-02-02 2024-08-09 Raja BAROTTO COVERED THREAD FOR HAIR REMOVAL, ASSOCIATED DEVICE AND METHOD

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1588387A (en) * 1923-12-26 1926-06-08 Li Chin Leong Hair-removing instrument
EP0270222A1 (en) * 1986-10-10 1988-06-08 Jal Hammoudi Jabouri Hair plucking mechanism
US4754768A (en) * 1986-12-29 1988-07-05 Jabouri Jal H Hair plucking mechanism
IL87833A0 (en) * 1988-09-22 1989-03-31 Daar Yair Depilatory device
IL90236A (en) * 1989-05-08 1993-02-21 Yaron Blank Depilation apparatus
US5643287A (en) * 1996-05-09 1997-07-01 Capehead Enterprises, Inc. Depilatory device
US5908425A (en) * 1997-09-22 1999-06-01 Adam; Helen Depilatory device and method of use
US5951573A (en) * 1998-05-15 1999-09-14 Yashar; Parviz Manual depilatory device
US7235085B1 (en) * 2004-09-27 2007-06-26 Tahir Shaheen F Hair removal apparatus
US20100185213A1 (en) * 2005-03-25 2010-07-22 Lam Phillip L Hair removal apparatus
KR100777022B1 (en) * 2006-06-26 2007-11-29 이재수 Hair tweezers
US8029517B2 (en) * 2007-05-15 2011-10-04 Karmissie, Llc Epilation device
US20090012535A1 (en) * 2007-05-15 2009-01-08 Sun Anita Schu-Chiam Epilation device
US20080319454A1 (en) * 2007-06-25 2008-12-25 Samir Figuigui Method for using a thread for hair removal and same
KR20100096059A (en) * 2007-07-25 2010-09-01 갈오프라 Hair plucking apparatus
US20110295274A1 (en) * 2010-06-01 2011-12-01 Michael Mueller Hair removal apparatus and method
US20120010630A1 (en) * 2010-07-08 2012-01-12 Angela Ahmadi Miller System and Method for Hair Removal
US20120089156A1 (en) * 2010-10-11 2012-04-12 Creative Properties, Ltd. Apparatus and method for hair removal
US8608757B2 (en) * 2010-12-03 2013-12-17 Natasha Iwegbu Apparatus and method for hair removal

Also Published As

Publication number Publication date
US20130096578A1 (en) 2013-04-18
EP2582264A4 (en) 2015-01-07
CA2803754A1 (en) 2010-12-29
WO2010148482A1 (en) 2010-12-29
EP2582264A1 (en) 2013-04-24

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