US 2026/0248222 A1Published application

Processing method for spray coating non-adhesive thermoplastic false eyelashes

AssigneeQingdao Homay Eyelashes Co.,Ltd.

InventorMingtao Zhang

Life of this patent

Estimating the term…

Loading patent…

Abstract

A processing method for spray coating non-adhesive thermoplastic false eyelashes is provided, which includes the following steps: (1) preparing a thermal spray eyelash filament coil; (2) preparing thermal spray eyelash filaments; (3) producing thermal spray eyelash filament sheets; (4) overlaying thermal spray eyelash filament A, B, C sheets in sequence to obtain a semi-finished eyelash D sheet, pressing the semi-finished eyelash D sheet with a thermal conductive blade of a thermal shaping machine and heating to form an eyelash band, cutting off a lower of the eyelash band with the blade to obtain the spray coating non-adhesive thermoplastic false eyelashes. The present disclosure has the following beneficial effects: significantly reducing the amount of various resin adhesives used for bonding; improving the softness of eyelash band; improving the eyelash band yield and greatly shorten the drying time; standardizing a thickness and symmetry of the eyelash band to enhance user comfort.

Claims10

Dependent claims

A processing method for spray coating non-adhesive thermoplastic false eyelashes, comprising the following steps:

(1) preparing a thermal spray eyelash filament coil
after a hot pressing machine pulling out eyelash silk threads arranged in a straight line, performing a first cooling treatment, performing a thermal spraying on the eyelash silk threads arranged in a straight line through high-pressure multi-nozzles in a closed thermal spraying device;
performing a second cooling treatment after the spraying is completed, and then the thermal spray eyelash filament coil is harvested by a coiling machine;
(2) preparing thermal spray eyelash filaments
cutting, segmenting, and sharpening the thermal spray eyelash filament coil obtained in step (1) to make a bundle of thermal spray eyelash filaments with a length of 5 centimeters;
(3) producing thermal spray eyelash filament sheets
bonding the thermal sprayed eyelash filaments with a fixed double-sided tape to form the thermal spray eyelash filament sheets;
one side of the fixed double-sided tape is semi-finished thermal sprayed false eyelashes, and the other side thereof is a thermal sprayed eyelash filaments waste material;
wherein the thermal spray eyelash filament sheets consist of thermal spray eyelash filament A sheet, thermal spray eyelash filament B sheet, and thermal spray eyelash filament C sheet;
angles between thermal spray eyelash filaments of the thermal spray eyelash filament A sheet and the fixed double-sided tape are 45°;
angles between thermal spray eyelash filaments of the thermal spray eyelash filament B sheet and the fixed double-sided tape are 90°;
angles between thermal spray eyelash filaments of the thermal spray eyelash filament C sheet and the fixed double-sided tape are 135°;
(4) producing spray coating non-adhesive thermoplastic false eyelashes
overlaying thermal spray eyelash filament A, B, and C sheets in sequence to obtain a semi-finished eyelash D sheet, pressing down the semi-finished eyelash D sheet with a thermal conductive blade of a thermal shaping machine and heating for 1-3 seconds, a part of the semi-finished eyelash D sheet pressed down along the blade forms an eyelash band;
cutting off the thermal sprayed eyelash filaments waste material along a underside of the eyelash band to obtain the spray coating non-adhesive thermoplastic false eyelashes;
a melting point of a sprayed material on surfaces of the eyelash filaments is T, 120° C.≤T≤180° C.;
and a temperature of the thermal conductive blade of the thermal conductive shaping machine is set to [T, T+10];
the thermal conductive blade of the thermal shaping machine has a width of 1-3 millimeters.

15 more elements

A processing method for spray coating non-adhesive thermoplastic false eyelashes, comprising the following steps:

S1:
producing eyelash filament sheets
bonding eyelash filaments with a fixed double-sided tape to obtain the eyelash filament sheets;
one side of the fixed double-sided tape is semi-finished false eyelashes, and the other side thereof is an eyelash filaments waste material;
wherein the eyelash filament sheets consist of spray eyelash filament A sheet, spray eyelash filament B sheet, and spray eyelash filament C sheet;
angles between eyelash filaments of the eyelash filament A sheet and the fixed double-sided tape are 45°;
angles between eyelash filaments of the eyelash filament B sheet and the fixed double-sided tape are 90°;
angles between eyelash filaments of the eyelash filament C sheet and the fixed double-sided tape are 135°;
S2:
producing thermal spray eyelash filament A/B/C sheets
performing thermal spraying at corresponding positions on two sides of the eyelash filament B sheet obtained in step S1 with high-pressure multi-nozzles of a closed thermal spraying device to form the thermal spray eyelash filament B sheet;
performing thermal spraying at corresponding positions on an inner side of the eyelash filament A sheet obtained in step S1 with the high-pressure multi-nozzles of the closed thermal spraying device to form the thermal spray eyelash filament A sheet;
performing thermal spraying at corresponding positions on an inner side of the eyelash filament C sheet obtained in step S1 with high-pressure multi-nozzles of the closed thermal spraying device to form the thermal spray eyelash filament C sheet;
widths of thermal spraying banding for thermal spray eyelash filament A/B/C sheets are at least 1 millimeter;
highest point of thermal spraying for the thermal spray eyelash filament A/B/C sheets is 2 millimeters above the fixed double-sided tape;
S3:
producing spray coating non-adhesive thermoplastic false eyelashes
overlaying thermal spray eyelash filament A, B, and C sheets in sequence to obtain a semi-finished eyelash D sheet;
pressing down the semi-finished eyelash D sheet with a thermal conductive blade of a thermal shaping machine and heating for 1-3 seconds;
a part of the semi-finished eyelash D sheet pressed down along the blade forms an eyelash band;
cutting off the eyelash filaments waste material along a underside of the eyelash band to obtain the spray coating non-adhesive thermoplastic false eyelashes;
a melting point of a sprayed material on surfaces of the eyelash filament sheets is T, 120° C.≤T≤180° C.;
and a temperature of the thermal conductive blade of the thermal conductive shaping machine is set to [T, T+10];
the thermal conductive blade of the thermal shaping machine has a width of 1-3 millimeters.

21 more elements

A processing method for spray coating non-adhesive thermoplastic false eyelashes, comprising the following steps:

step1:
producing eyelash filament sheets
bonding eyelash filaments with a fixed double-sided tape to obtain the eyelash filament sheets;
one side of the fixed double-sided tape is semi-finished false eyelashes, and the other side thereof is an eyelash filaments waste material;
wherein the eyelash filament sheets consist of eyelash filament A sheet, eyelash filament B sheet, and eyelash filament C sheet;
angles between eyelash filaments of the eyelash filament sheet And the fixed double-sided tape are 45°;
angles between eyelash filaments of the eyelash filament sheet B and the fixed double-sided tape are 90°;
angles between eyelash filaments of the eyelash filament sheet C and the fixed double-sided tape are 135°;
step2:
producing flat and wide polyurethane silk thread with a melting point lower than that of eyelash filament
wherein the flat and wide polyurethane silk thread has a width of 0.7-5 millimeters and a thickness of 0.05-1 millimeters;
step3:
producing spray coating non-adhesive thermoplastic false eyelashes
overlaying spray eyelash filament A sheet, one flat and wide polyurethane silk thread, spray eyelash filament B sheet, another flat and wide polyurethane silk thread, and spray eyelash filament C sheet in sequence to obtain a semi-finished eyelash D sheet, pressing down the semi-finished eyelash D sheet with a thermal conductive blade of a thermal shaping machine or a rolling blade of an ultrasonic machine and heating for 1-3 seconds;
a part of the semi-finished eyelash D sheet pressed down along the thermal conductive blade or the rolling blade forms an eyelash band;
cutting off the eyelash filaments waste material along a underside of the eyelash band to obtain the spray coating non-adhesive thermoplastic false eyelashes;
a position of the flat and wide polyurethane silk thread is adapted to a heating position of the thermal conductive blade of the thermal shaping machine/a position of the rolling blade of the ultrasonic machine;
a melting point of a sprayed material on surfaces of the eyelash filaments is T, and 120 C.≤T≤180° C.;
a temperature of the thermal conductive blade of the thermal conductive shaping machine is set to [T, T+10].

16 more elements

Dependencies are inferred from the claim text.