Hair Colorant Container in the Form of a Flexible Sachet
A hair colorant container in the form of a flexible sachet having a laminate structure for storing a hair colorant component comprises: a reservoir with an internal volume for storing the hair colorant component, a pouring spout being in fluid communication with the internal volume and having an dispensing end for dispensing the hair colorant component, the pouring spout being integrally formed with the reservoir and projecting from an upper side of the reservoir and having an elongated shape with a width being smaller than the width of the reservoir, and a removable tear tab at the dispensing end for sealing the container before the container has been opened. The pouring spout further comprises at least one re-sealing element for reclosing the dispensing end once the tear tab has been removed. The re-sealing element has a stiffness being greater than the stiffness of the laminate structure.
1 . A hair colorant container in the form of a flexible sachet having a laminate structure for storing a hair colorant component comprising:
a reservoir with an internal volume for storing the hair colorant component,
a pouring spout being in fluid communication with the internal volume and having a dispensing end for dispensing the hair colorant component,
the pouring spout being integrally formed with the reservoir and projecting from an upper side of the reservoir and having an elongated shape with a width being smaller than the width of the reservoir, and
a removable tear tab at the dispensing end for sealing the container before the container has been opened, wherein
the pouring spout comprises at least one re-sealing element for reclosing the dispensing end once the tear tab has been removed, the re-sealing element having a stiffness being greater than the stiffness of the laminate structure.
2 . A hair colorant container according to claim 1 ,
wherein the re-sealing element is an element selected from the group consisting of a metal strip, plastic strip, band, adhesive clamp, wire tie, rigid non-permanent adhesive bonding tab, additional rigid layer attached to the laminate structure, additional rigid layer inserted in the laminate structure.
3 . A hair colorant container according to claim 1 ,
wherein the hair colorant component is a component selected from the group consisting of a hair dye component, a developer component, a direct dye.
4 . A hair colorant container according to claim 1 ,
wherein the tear tab is integrally formed with the pouring spout.
5 . A hair colorant container according to claim 1 ,
wherein the hair colorant container comprises a pre-defined tearing line between the tear tab and the dispensing end of the pouring spout along which the tear tab is teared when the container is opened.
6 . A hair colorant container according to claim 1 ,
wherein the pouring spout comprises a grip zone extending substantially along the width of the elongated shape and being adapted with its dimensions to the fingers of a user for clamping the pouring spout with the fingers when the tear tab is removed, thereby pressing opposite walls of the pouring spout together and providing a spill prevention.
7 . A hair colorant container according to claim 1 ,
wherein the pouring spout comprises at its inner perimeter at least one flow restrictor for restricting the flow of the hair colorant component when it dispenses.
8 . A hair colorant container according to claim 7 ,
wherein the at least one flow restrictor is formed as a bulge projecting inside the pouring spout.
9 . A hair colorant container according to claim 8 ,
wherein at least two bulges are formed in a staggered arrangement.
10 . A hair colorant container according to claim 1 ,
wherein the laminate structure of the hair colorant container comprises at least three layers.
11 . A hair colorant container according to claim 1 ,
wherein the laminate structure of the hair colorant container comprises at least four layers.
12 . A hair colorant container according to claim 10 ,
wherein the laminate structure of the hair colorant container comprises three layers, wherein
the first layer facing the inside of the container comprises a material selected from the group consisting of polyethylene, ethylene acrylic acid polymer, ethylene methacrylic acid polymer, and combinations thereof;
the second layer following the first layer comprises aluminium; and
the third layer following the second layer and facing the outside of the container comprises a material selected from the group consisting of polyamide, polyester, polyethylenterephthalat, and combinations thereof.
13 . A hair colorant container according to claim 11 ,
wherein the laminate structure of the hair colorant container comprises four layers, wherein:
the first layer facing the inside of the container comprises a material selected from the group consisting of polyethylene, ethylene acrylic acid polymer, ethylene methacrylic acid polymer, and combinations thereof;
the second layer following the first layer comprises a material selected from the group consisting of polyethylene, ethylene acrylic acid polymer, ethylene methacrylic acid polymer, and combinations thereof;
the third layer following the second layer comprises aluminium; and
the fourth layer following the third layer and facing the outside of the container comprises a material selected from the group consisting of polyamide, polyester, polyethylenterephthalat, and combinations thereof.
14 . A packaged hair colorant product comprising a hair colorant container according to claim 1 and a hair colorant component stored in the internal volume of the reservoir.
15 . A package kit for providing a ready to use hair color product comprising a hair colorant container according to claim 1 as a first package containing a hair dye component and a second package containing a developer component.
16 . A package kit according to claim 15 ,
wherein the second package is a hair colorant container according to claim 1 .
17 . A package kit according to claim 15 ,
wherein the second package is a bottle.