U.S. patent application number 14/363274 was filed with the patent office on 2014-11-13 for false eyelashes and manufacturing method therefor.
The applicant listed for this patent is Wen Ri JIN, OMELON CO., LTD.. Invention is credited to Wen Ri Jin, Yong Se Kim, Xia Qing Ning, Xiao Qing Ying, Shou Ji Zhao.
Application Number | 20140332025 14/363274 |
Document ID | / |
Family ID | 48799829 |
Filed Date | 2014-11-13 |
United States Patent
Application |
20140332025 |
Kind Code |
A1 |
Kim; Yong Se ; et
al. |
November 13, 2014 |
FALSE EYELASHES AND MANUFACTURING METHOD THEREFOR
Abstract
One aspect of the present invention relates to a method for
manufacturing false eyelashes, and the false eyelashes in which an
false eyelash part and an attachment part are integrally formed by
injection molding, wherein the method comprises the steps of:
preparing a mold; preparing a thermoplastic elastomer resin; and
injecting the thermoplastic elastomer resin into an injection
molding machine on which the mold is mounted so as to perform
injection molding. The method for manufacturing the false eyelashes
of the present invention has excellent production and economic
feasibility, the quality of the manufactured false eyelashes is
uniform, and the false eyelashes manufactured by the manufacturing
method have excellent shape stability, elasticity, and can be
provided in various colors and designs.
Inventors: |
Kim; Yong Se; (Guangdong,
CN) ; Jin; Wen Ri; (Guangdong, CN) ; Zhao;
Shou Ji; (Guangdong, CN) ; Ying; Xiao Qing;
(Guangdong, CN) ; Ning; Xia Qing; (Guangdong,
CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
JIN; Wen Ri
OMELON CO., LTD. |
Incheon |
|
US
KR |
|
|
Family ID: |
48799829 |
Appl. No.: |
14/363274 |
Filed: |
January 18, 2013 |
PCT Filed: |
January 18, 2013 |
PCT NO: |
PCT/KR2013/000438 |
371 Date: |
June 5, 2014 |
Current U.S.
Class: |
132/201 ;
132/53 |
Current CPC
Class: |
B29C 45/0001 20130101;
A41G 5/02 20130101; B29L 2031/718 20130101 |
Class at
Publication: |
132/201 ;
132/53 |
International
Class: |
A41G 5/02 20060101
A41G005/02 |
Foreign Application Data
Date |
Code |
Application Number |
Jan 19, 2012 |
CN |
201210016602 |
Jul 19, 2012 |
CN |
201220348460 |
Sep 8, 2012 |
CN |
201210329382 |
Nov 21, 2012 |
CN |
201220615797 |
Claims
1. A method of manufacturing a false eyelash structure, comprising:
preparing a mold; preparing a thermoplastic elastomer resin; and
performing injection molding by introducing the thermoplastic
elastomer resin into an injection molding machine on which the mold
is mounted.
2. The method according to claim 1, wherein the injection molding
is multistage injection molding using at least one mold and at
least one thermoplastic elastomer resin.
3. The method according to claim 2, wherein the method involves
two-stage injection molding, and the method comprises: preparing a
first mold; preparing a first thermoplastic elastomer resin;
performing primary injection molding by introducing the first
thermoplastic elastomer resin into an injection molding machine on
which the first mold is mounted; providing a false eyelash
structure manufactured by the primary injection molding to a second
mold; and performing secondary injection molding by introducing a
second thermoplastic elastomer resin into an injection molding
machine on which the second mold is mounted.
4. The method according to claim 3, wherein the first thermoplastic
elastomer resin and the second thermoplastic elastomer resin are
the same type of thermoplastic elastomer resin.
5. The method according to claim 3, wherein the first thermoplastic
elastomer resin and the second thermoplastic elastomer resin have
different properties or colors.
6. The method according to claim 1, wherein, in the injection
molding, the mold has a temperature from 0.degree. C. to 80.degree.
C.
7. The method according to claim 1, wherein the injection molding
machine comprises an injection portion, an intermediate portion,
and a nozzle, and, in the injection molding, the injection portion
has a temperature of 80.degree. C. to 100.degree. C., the
intermediate portion has a temperature of 150.degree. C. to
250.degree. C., and the nozzle has a temperature of 200.degree. C.
to 300.degree. C.
8. The method according to claim 1, wherein the mold has a pressure
of 5 MPa to 40 MPa, and an injection pressure ranges from 30 MPa to
100 MPa.
9. The method according to claim 1, wherein the injection molding
machine has a screw RPM of 30 RPM to 100 RPM.
10. The method according to claim 1, wherein the injection molding
has an injection time of 0.5 seconds to 20 seconds.
11. A false eyelash structure comprising: an artificial hair part
and an attachment part integrally formed through injection
molding.
12. The false eyelash structure according to claim 11, wherein the
artificial hair part and the attachment part comprise an olefin,
styrene, amide, ester, urethane, silicone, or PVC-based
thermoplastic elastomer resin, the thermoplastic elastomer resin
having a glass transition temperature of 80.degree. C. or less.
13. The false eyelash structure according to claim 11, wherein the
artificial hair part is formed on one surface of the attachment
part and comprises a plurality of artificial hairs of at least one
type.
14. The false eyelash structure according to claim 12, wherein the
artificial hair part comprises at least two types of artificial
hairs having different colors or properties.
15. The false eyelash structure according to claim 12, wherein the
artificial hair part comprises 3 to 100 artificial hairs, the
artificial hairs having a length of 0.1 mm to 50 mm and a thickness
of 0.05 mm to 2 mm.
16. The false eyelash structure according to claim 11, wherein the
attachment part is linear or curved, and has a length of 20 mm to
50 mm and a thickness of 0.05 mm to 2 mm.
17. The false eyelash structure according to claim 16, wherein the
attachment part is curved, and comprises a first curved portion and
second curved portions or linear portions extending from opposite
ends of the first curved portion.
18. The false eyelash structure according to claim 17, wherein the
first curved portion and the second curved portion have different
curvatures or curvature directions.
19. The false eyelash structure according to claim 13, wherein the
attachment part is formed of the same type of thermoplastic
elastomer resin as that of one type of the artificial hairs
constituting the artificial hair part.
20. The false eyelash structure according to claim 13, wherein the
attachment part has a convex-concave pattern formed on at least one
of the one surface and an opposite surface thereof.
Description
TECHNICAL FIELD
[0001] The present invention relates to a false eyelash structure
and a method of manufacturing the same, and more particularly, to a
false eyelash structure manufactured through injection molding and
a method of manufacturing the same.
BACKGROUND ART
[0002] Many women use false eyelashes for cosmetic purposes, and
usage thereof is gradually increasing. Most false eyelashes are
currently manufactured by artificially binding false eyelashes or
through knitting and weaving. In particular, as an artificial
binding method, an operation of eyelash extensions is a method of
coupling eyelash extensions to tip ends of actual eyelashes of a
user one by one. Thus, the process is time consuming and the
eyelash extensions, which are thin and small, are difficult to
handle.
[0003] Therefore, the present invention has been developed to
improve quality uniformity, processibility, and economic
feasibility of conventional techniques.
DISCLOSURE
Technical Problem
[0004] An object of the present invention is to provide a method of
manufacturing a false eyelash structure providing excellent
processibility.
[0005] Another object of the present invention is to provide a
method of manufacturing a false eyelash structure providing uniform
quality and excellent economic feasibility.
[0006] A further object of the present invention is to provide a
false eyelash structure having excellent shape stability and
elasticity.
[0007] Yet another object of the present invention is to provide a
false eyelash structure having various colors and designs.
[0008] Yet another object of the present invention is to provide a
method of manufacturing a false eyelash structure, by which a false
eyelash structure having a complex structure can be manufactured
through a single process.
[0009] The above and other objects of the present invention will be
achieved by the present invention.
Technical Solution
[0010] In accordance with an aspect of the present invention, a
method of manufacturing a false eyelash structure includes:
preparing a mold; preparing a thermoplastic elastomer resin; and
performing injection molding by introducing the thermoplastic
elastomer resin into an injection molding machine on which the mold
is mounted.
[0011] The injection molding may be multistage injection molding
using at least one mold and at least one thermoplastic elastomer
resin.
[0012] The method may be performed by double injection molding, and
may include: preparing a first mold; preparing a first
thermoplastic elastomer resin; performing primary injection molding
by introducing the first thermoplastic elastomer resin into an
injection molding machine on which the first mold is mounted;
providing a false eyelash structure manufactured by the primary
injection molding to a second mold; and performing secondary
injection molding by introducing a second thermoplastic elastomer
resin into an injection molding machine on which the second mold is
mounted.
[0013] The first thermoplastic elastomer resin and the second
thermoplastic elastomer resin may be the same type of thermoplastic
elastomer resin.
[0014] The first thermoplastic elastomer resin and the second
thermoplastic elastomer resin may have different properties or
colors.
[0015] In the injection molding, the mold may have a temperature of
0.degree. C. to 80.degree. C.
[0016] The injection molding machine may include an injection
portion, an intermediate portion, and a nozzle; and in the
injection molding step, the injection portion may have a
temperature of 80.degree. C. to 100.degree. C., the intermediate
portion may have a temperature of 150.degree. C. to 250.degree. C.,
and the nozzle may have a temperature of 200.degree. C. to
300.degree. C.
[0017] The mold may have a pressure of 5 MPa to 40 MPa, and an
injection pressure may range from 30 MPa to 100 MPa.
[0018] The injection molding machine may have a screw RPM of 30 RPM
to 100 RPM.
[0019] The injection molding may have an injection time of 0.5
seconds to 20 seconds.
[0020] In accordance with another aspect of the present invention,
a false eyelash structure includes: includes an artificial hair
part and an attachment part integrally formed through injection
molding.
[0021] The artificial hair part and the attachment part may include
an olefin, styrene, amide, ester, urethane, silicone, or PVC-based
thermoplastic elastomer resin, and the thermoplastic elastomer
resin may have a glass transition temperature of 80.degree. C. or
less.
[0022] The artificial hair part may be formed on one surface of the
attachment part and may include a plurality of artificial hairs of
at least one type.
[0023] The artificial hair part may include at least two types of
artificial hairs having different colors or properties.
[0024] The artificial hair part may include 3 to 100 artificial
hairs, and the artificial hairs may have a length of 0.1 mm to 50
mm and a thickness of 0.05 mm to 2 mm.
[0025] The attachment part may be linear or curved, and may have a
length of 20 mm to 50 mm and a thickness of 0.05 mm to 2 mm.
[0026] The attachment part may be curved, and may include a first
curved portion and second curved portions or linear portions
extending from opposite ends of the first curved portion.
[0027] The first curved portion and the second curved portion may
have different curvatures or curvature directions.
[0028] The attachment part may be formed of the same type of
thermoplastic elastomer resin as that of one type of the artificial
hairs constituting the artificial hair part.
[0029] The attachment part may have a convex-concave pattern formed
on at least one of the one surface and an opposite surface
thereof.
Advantageous Effects
[0030] The method of manufacturing a false eyelash structure
according to the present invention provides excellent
processibility, economic feasibility, and uniform quality in
manufacture of false eyelash structures. Further, the false eyelash
structures manufactured by the method have excellent properties in
terms of shape stability and elasticity, and can exhibit various
colors and designs.
DESCRIPTION OF DRAWINGS
[0031] FIGS. 1 (a) to (c) show molds used in a method of
manufacturing a false eyelash structure according to one embodiment
of the invention, and FIGS. 1 (d) and (e) are a perspective view
and a front view of the mold of FIG. 1(c), respectively;
[0032] FIG. 2 is a plan view of a false eyelash structure according
to another embodiment of the present invention;
[0033] FIG. 3 shows an attachment part of a false eyelash structure
according to one embodiment of the present invention;
[0034] FIGS. 4 (a) to (c) show false eyelash structures in which
convex-concave patterns are formed in attachment parts thereof
manufactured by the method according to the embodiment of the
invention, and FIG. 4 (d) shows various convex-concave
patterns;
[0035] FIG. 5 is a picture of false eyelash structures having
various shapes manufactured by the method according to the
embodiment of the present invention;
[0036] FIG. 6 shows a method of manufacturing a false eyelash
structure according to a further embodiment of the present
invention; and
[0037] FIGS. 7 (a) to (c) show a false eyelash structure according
to another embodiment of the present invention.
BEST MODE
[0038] Embodiments of the present invention will now be described
in more detail.
[0039] False Eyelash Structure
[0040] A false eyelash structure of the present invention includes
an artificial hair part and an attachment part, and the artificial
hair part and the attachment part are integrally formed by
injection molding and have excellent shape stability and
elasticity.
[0041] The artificial hair part is formed on one surface of the
attachment part, and has 3 to 100 artificial hairs. The artificial
hairs may have a length from 0.1 mm to 50 mm, preferably from 2 mm
to 25 mm. The artificial hairs may have a thickness from 0.05 mm to
2 mm, preferably from 0.2 mm to 0.9 mm. The artificial hair part
may be a combination of artificial hairs having one or more
properties or shapes. By way of example, the artificial hairs may
be linear or curved, and a plurality of adjacent artificial hairs
may cross each other or may be disposed in zigzag arrangement. The
artificial hairs may have a polygonal cross-section, such as a
triangular cross-section, a rectangular cross-section, and a
pentagonal cross-section, and may have a circular or elliptical
cross-section, without being limited thereto. When the artificial
hairs have a polygonal cross-section, the artificial hairs may have
a rounded corner. The artificial hairs may have a cross-sectional
area of from 0.002 mm.sup.2 to 5 mm.sup.5, preferably from 0.03
mm.sup.2 to 0.8 mm.sup.2.
[0042] FIG. 2 is a plan view of a false eyelash structure according
to one embodiment. Referring to FIG. 2, an attachment 20 is
provided to attach artificial eyelashes to the skin of a person,
and may be linear as shown in FIG. 2 (a) or may be curved as shown
in FIG. 2 (b). The attachment part has a length of 20 mm to 50 mm,
preferably 30 mm to 40 mm. The attachment part may have a thickness
of 0.05 mm to 2 mm, preferably 0.2 mm to 0.9 mm.
[0043] Referring to FIGS. 3 (a) and (b), when the attachment part
is curved, the attachment part may have a first curved portion 21
and second curved portions 23 or linear portions 25 extending from
opposite ends of the first curved portion.
[0044] When the attachment part has a first curved portion and
second curved portions as shown in FIG. 3 (a), the first curved
portion 21 and each of the second curved portions 23 may have
different curvatures and curvature directions.
[0045] The artificial hair part and the attachment part may be
thermally processed, and may be formed by injection molding using a
thermoplastic elastomer (TPE) resin having a flexible and resilient
property similar to rubber or resin compositions containing the
thermoplastic elastomer resin.
[0046] The thermoplastic elastomer resin may be an olefin, styrene,
amide, ester, urethane, silicone, or PVC-based thermoplastic
elastomer resin. Preferably, the thermoplastic elastomer resin is a
styrene or olefin-based thermoplastic elastomer resin.
[0047] The styrene-based thermoplastic elastomer resin is an
elastic material most similar to rubber and has a two-phase
structure including a soft segment endowing elasticity and a hard
segment endowing strength. Examples of the styrene thermoplastic
elastomer resin include poly(styrene-b-butadiene-b-styrene) (SBS),
poly(styrene-b-isoprene-b-styrene) (SIS),
poly(styrene-b-ethylene-b-butadiene-b-styrene) (SEBS), and
poly(styrene-b-ethylene-b-propylene-b-styrene) (SEPS).
[0048] The olefin-based thermoplastic elastomer resin may be an
ethylene propylene diene monomer (EPDM), which includes a soft
segment and a hard segment of polypropylene. The soft segment shows
unique rubber elasticity of the thermoplastic elastomer. During
molding, the hard segment is melted and plasticized to exhibit
unique molding properties, and then is cured again to prevent
plastic deformation.
[0049] In one embodiment, the thermoplastic elastomer resin has a
glass transition temperature Tg of 80.degree. C. or less to
increase flexibility of products. More preferably, the
thermoplastic elastomer resin has a glass transition temperature Tg
of 50.degree. C. to 60.degree. C.
[0050] The artificial hair part and the attachment part may further
include additives, such as pigments, fillers, heat stabilizers, and
the like.
[0051] In a post-process after injection molding, the false eyelash
structure may be subjected to surface treatment using a coating
agent and a finishing agent, such as glittering additives for
glittering effects.
[0052] In one embodiment of the invention, when injection molding
is performed by a single stage, the artificial hair part and the
attachment part are integrally formed with each other. Thus, the
artificial hair part and the attachment part may include the same
thermoplastic elastomer resin.
[0053] In another embodiment of the invention, when injection
molding is performed by multiple stages, the attachment part may be
formed of the same kind of thermoplastic elastomer resin as that of
artificial hairs of one type constituting the artificial hair part.
In other words, multistage injection molding is composed of primary
injection molding and secondary injection molding. When the
thermoplastic elastomer resin used in primary injection molding is
different from the thermoplastic elastomer resin used in secondary
injection molding, some of the artificial hairs constituting the
artificial hair part can be formed of the thermoplastic elastomer
resin different from that of the attachment part.
[0054] During multistage injection molding, the thermoplastic
elastomer resins used in the respective injection molding stages
may use pigment to have different colors. Accordingly, the
artificial hair part may include a plurality of artificial hairs
having different colors, and artificial eyelashes showing various
colors can be provided. Moreover, properties of the attachment part
and the artificial hair part or two types of artificial hairs
constituting the artificial hair part may be partially adjusted by
applying two or more thermoplastic elastomer resins having
different properties. For example, in multistage injection molding
using thermoplastic elastomer resins having different softness, the
attachment part may be formed of a flexible soft elastomer and the
artificial hairs may be formed of a relatively strong elastomer,
thereby providing a product that can be conveniently worn and has
firm artificial hairs.
[0055] As shown in FIG. 4, in another embodiment of the invention,
a convex-concave pattern 30 is formed on at least one of the one
surface and an opposite surface of the attachment part. When the
false eyelash structure is attached to skin around the eye, the
convex-concave pattern 30 imparts flexibility to the attachment
part and increases a bonding area, whereby the false eyelash
structure can be easily and naturally attached to a skin surface.
As shown in FIG. 4 (d), the convex-concave pattern may include a
concave portion or a convex portion having a rectangular,
triangular, or circular shape.
[0056] Method of Manufacturing False Eyelash Structure
[0057] In one embodiment of the invention, the method of
manufacturing a false eyelash structure includes preparing a mold;
preparing a thermoplastic elastomer resin; and performing injection
molding by introducing the thermoplastic elastomer resin into an
injection molding machine on which the mold is mounted.
[0058] In FIG. 1, (a) to (e) show molds used in the method of
manufacturing a false eyelash structure according to the embodiment
of the present invention. Referring to FIG. 1, (a) and (b) show
molds forming artificial hair parts 11, 13, and (c) shows a mold in
which a first artificial hair part 11 and a second artificial hair
part 13 are combined. A false eyelash structure including the first
artificial hair part 11 and the second artificial hair part 13
having different colors or properties may be manufactured using a
dual-injection molding machine. The false eyelash structure may be
manufactured through a single process using a property. In FIG. 1,
the mold is a mold according to one embodiment of the invention,
but the present invention is not limited thereto. The mold may be
manufactured in various forms by reflecting desired designs of
artificial eyelashes, that is, shapes of the attachment part 20 and
the artificial hair part 10.
[0059] In injection molding, the mold may have a temperature of
0.degree. C. to 80.degree. C.
[0060] The injection molding machine may include an injection
portion, an intermediate portion, and a nozzle, and, in injection
molding, the injection portion may have a temperature of 80.degree.
C. to 100.degree. C., the intermediate portion may have a
temperature of 150.degree. C. to 250.degree. C., and the nozzle may
have a temperature of 200.degree. C. to 300.degree. C.
[0061] In injection molding, mold pressure may range from 5 MPa to
40 MPa, back pressure may range from 20 MPa to 80 MPa, and
injection pressure may range from 30 MPa to 100 MPa.
[0062] The injection molding machine may have a screw RPM of 30 RPM
to 100 RPm, and an injection time may range from 0.5 seconds to 20
seconds.
[0063] According to another embodiment of the invention, the
manufacturing method corresponds to multistage injection molding
using at least one mold and at least one thermoplastic elastomer
resin.
[0064] In the case of a manufacturing method including a two-stage
injection molding process, the method may include: preparing a
first mold; preparing a first thermoplastic elastomer resin;
performing primary injection molding by introducing the first
thermoplastic elastomer resin into an injection molding machine on
which the first mold is mounted; providing a false eyelash
structure manufactured by the primary injection molding to a second
mold; and performing secondary injection molding by introducing a
second thermoplastic elastomer resin into an injection molding
machine on which the second mold is mounted. Referring to FIG. 1,
by way of example, after an artificial eyelash structure is
prepared through primary injection molding in a first mold of FIG.
1 (a), the manufactured artificial eyelash structure may be
provided to a second mold of FIG. 1 (b) and may be subjected to
secondary injection molding, thereby providing a finished
artificial eyelash structure.
[0065] In another embodiment of the invention, a false eyelash
structure may be manufactured using a two-stage injection molding
machine or a multistage injection molding machine while using a
single mold in multistage injection molding. In one example, after
the mold of FIG. 1 (c) is mounted on an injection molding machine
having a double nozzle, a false eyelash structure may be
manufactured by applying two types of thermoplastic elastomer
resins.
MODE FOR INVENTION
[0066] FIG. 5 is a picture of false eyelash structures having
various shapes manufactured through the method according to the
present invention. The method according to the invention provides
excellent processibility, excellent economic efficiency and uniform
quality in manufacture of false eyelash structures, and the false
eyelash structures manufactured by the method have excellent
properties in terms of shape stability and elasticity.
[0067] FIG. 6 shows a method of manufacturing a false eyelash
structure according to another embodiment of the present invention.
In this embodiment, two false eyelash structures manufactured by
injection molding according to the invention may be coupled to each
other such that an artificial hair part can be realized in various
ways.
[0068] FIGS. 7(a) to 7(c) show false eyelash structures according
to other embodiments of the present invention. The false eyelash
structures having artificial hair parts whose shapes are complex
can be repeatedly manufactured through injection molding using the
manufactured mold.
[0069] It should be understood by those skilled in the art that
various modifications, variations, and alterations can be made
without departing from the spirit and scope of the present
invention.
* * * * *