WO2019143084A1

WO2019143084A1 - Chocolate hardtack manufacturing apparatus

Info

Publication number: WO2019143084A1
Application number: PCT/KR2019/000533
Authority: WO
Inventors: 박진
Original assignee: 박진
Priority date: 2018-01-19
Filing date: 2019-01-14
Publication date: 2019-07-25
Also published as: KR20190089152A; KR102219336B1

Abstract

The present invention relates to a chocolate hardtack manufacturing apparatus comprising: a pair of infinite tracks rotating in opposite directions from each other; a plurality of first half trays and a plurality of second half trays provided on the respective tracks of the pair of infinite tracks, and, due to the rotation of the pair of infinite tracks, forming a combination section in which the half trays are combined with each other to make up a tray on which hardtack is seated, or forming a separation section in which the half trays are separated from each other; a hardtack supply part for supplying hardtack onto the trays; a dipping part for coating, with chocolate, at least a portion of a hardtack that has been seated on a tray by means of the hardtack supply part; and a cooling part for cooling chocolate hardtack that has been coated with chocolate by means of the dipping part.

Description

Chocolate Biscuit Making Machine

[0001] The present invention relates to a chocolate biscuit manufacturing apparatus, and more particularly, to a chocolate biscuit manufacturing apparatus and a chocolate biscuit manufacturing apparatus, which are capable of automatically coating a chocolate at a predetermined height on a biscuit (small cake) placed on a tray moving along a rotational trajectory of an endless track Manufacturing apparatus.

In general, biscuits are widely used as cookies as well as emergency foods including the military.

However, when a certain level of biscuits (half of these small sized sweets) is coated with chocolate, it is not automated.

In addition, a process in which a worker manually holds a small biscuit in his / her hand and immerses only a certain portion into a chocolate bar and then pulls it out is a troublesome process in which chocolate is buried at a certain level or a biscuit is immersed in a chocolate bar, In addition, there is a problem that mass production is difficult because chocolate coating can not be performed quickly.

Disclosure of the Invention The present invention has been made to solve the above-described problems, and it is an object of the present invention to provide a chocolate biscuit manufacturing apparatus capable of partially coating chocolate with a certain height, such as biscuits, automatically, The purpose of

SUMMARY OF THE INVENTION An object of the present invention is to provide a motorcycle comprising: a pair of endless orbits rotating in a direction opposite to imaginary arc; And a plurality of second harvesters provided respectively in the pair of the infinite orbits and forming combinational sections for forming trays on which the biscuits are seated by being combined with each other by rotation of the pair of infinite orbits, A tray and a plurality of second half trays; A biscuit supply unit supplying biscuit to the tray; A dipping unit for coating at least one region of the biscuit loaded on the tray with the chocolate through the biscuit supplying unit; And a cooling section for cooling the chocolate-coated biscuit coated with chocolate through the dipping section.

Here, the first half tray and the second half tray each have an upper half tray supported in the endless track; A lower half tray that approaches and separates from the upper half tray; And an elastic body elastically supporting the upper half tray and the upper half tray such that the lower half tray approaches the upper half tray.

And a cradle provided on the lower half tray for receiving biscuits that are seated in the lower half tray.

The biscuit feeding portion includes a hopper for storing biscuits; A biscuit dispenser for dispensing biscuits to the tray, the biscuit dispenser having a biscuit dispenser for dispensing biscuits, the dispenser comprising: an aligning part which is provided at an inclination below the hopper and aligns the biscuits discharged from the hopper in parallel; A biscuit moving part; And a vibrator provided in the hopper and generating vibrations in the hopper to discharge a plurality of biscuits stored in the hopper to the aligner.

And a weight measuring unit for measuring the weight of the biscuits reaching the biscuit discharging unit.

And a hopper stopper provided in the biscuit discharging portion and controlling the supply of the biscuit to the tray in cooperation with the weighing portion.

Wherein the dipping unit comprises: a chocolate tube for containing a chocolate solution; A rotating shaft disposed above the chocolate tube; And a wing portion that is disposed radially and rotates around the rotation axis and piles up the chocolate solution contained in the chocolate tube to coat the chocolate in at least one region of the biscuit seated in the tray.

And a press unit for pressing the tray on which the biscuits are placed, toward the chocolate solution of the dipping unit so that the chocolate is coated on the biscuit.

The upper half tray is formed with a tray hole extending toward the lower half tray. The press portion is raised and lowered toward the tray, and is inserted into the tray hole of the upper half tray, And a plurality of pressing rods that press the lower tray to be spaced apart from each other.

The press section may include a pusher for pressing the biscuit seated on the tray.

According to the present invention, small cakes such as biscuits can be automatically coated with chocolate at a predetermined height, and automation of operations and mass production are possible.

1 is a configuration diagram of a chocolate biscuit bread manufacturing apparatus according to an embodiment of the present invention;

FIG. 2 is a plan view of a pair of endless tracks of a chocolate biscuit bread making apparatus according to an embodiment of the present invention,

FIG. 3 is an enlarged view showing a process of forming a tray in a chocolate biscuit bread making apparatus according to an embodiment of the present invention;

4 is a view illustrating an assembled state of the upper half tray and the lower half tray of the chocolate biscuit manufacturing apparatus according to the embodiment of the present invention,

5 is a configuration diagram of a biscuit bread feeding unit of a chocolate biscuit bread making apparatus according to an embodiment of the present invention,

6 is a configuration diagram of a dipping unit of a chocolate biscuit bread manufacturing apparatus according to an embodiment of the present invention,

FIG. 7 is a view showing the relationship between a biscuit,

8 is a view showing a state before the press portion presses the tray and the biscuit,

9 is a view showing a state in which the press portion presses the tray and the biscuit,

10 is a view of a chocolate biscuit completed by a chocolate biscuit manufacturing apparatus according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, And is provided to fully convey the scope of the present invention to a technician.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms " comprises "and / or" comprising "used in the specification do not exclude the presence or addition of one or more other elements in addition to the stated element. Like reference numerals refer to like elements throughout the specification and "and / or" include each and every combination of one or more of the elements mentioned. Although "first "," second "and the like are used to describe various components, it is needless to say that these components are not limited by these terms. These terms are used only to distinguish one component from another. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical scope of the present invention.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense that is commonly understood by one of ordinary skill in the art to which this invention belongs. In addition, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

Prior to the explanation, the present invention is limited to biscuits which are small rectangular confections. However, the technical idea according to the present invention can be applied to confectionery of various shapes such as bar-shaped confectionery, circle, .

1 to 9 show an apparatus for manufacturing a chocolate biscuit according to an embodiment of the present invention.

The apparatus for manufacturing a chocolate biscuit according to an embodiment of the present invention includes a pair of

endless tracks

10a and 10b, a plurality of first half trays 20a and a plurality of second half trays 20b, A dipping unit 80, and a cooling unit 95. [0050]

The pair of

infinite orbits

10a and 10b have the same shape and size, and are arranged side by side at mutually spaced intervals. Hereinafter, for convenience of explanation, the infinite orbit arranged at the upper part of Fig. 2 is referred to as a first infinite orbit 10a, and the infinite orbit arranged at the lower part of Fig. 2 is referred to as a second infinite orbit 10b.

Each

endless track

10a, 10b is made up of a chain which is connected by a pair of chain sprockets 15 spaced a certain distance to form a closed loop.

Each of the

endless tracks

10a and 10b can be rotated in one direction or another direction by driving a drive motor (not shown), and the pair of

endless tracks

10a and 10b in this embodiment rotate in mutually opposite directions .

3, a plurality of first half trays 20a are suspended on the first endless track 10a and a plurality of second half trays 20b are suspended on the second endless track 10b, have.

The first half tray 20a and the second half tray 20b have the same shape and size and are suspended at the same intervals in the first endless track 10a and the second endless track 10b, respectively.

The first half tray 20a is formed with a coupling protrusion 23a protruding from the surface facing the second half tray 20b and the second half tray 20b is provided with a coupling protrusion 23a The engaging groove 23b may be recessed.

As the coupling protrusion 23a of the first half tray 20a is fitted into the coupling groove 23b of the second half tray 20b, one tray 40 is formed in combination, And moves along the rotation locus of the

endless tracks

10a and 10b while maintaining a stable shape.

Each of the

half trays

20a and 20b includes an upper half tray 31 supported by the

endless tracks

10a and 10b, a lower half tray 35 approaching and spaced from the upper half tray 31, And an elastic body 39 for elastically supporting the half tray 31 and the lower half tray 35.

The upper half tray 31 is provided with a plurality of tray holes 33 through which the pressing rods 91 of the press portion 90 to be described later for passing the lower half tray 35 from the upper half tray 31 are passed, Respectively. The tray hole 33 is formed along the lifting direction of the lower half tray 35 with respect to the upper half tray 31.

At the bottom of the lower half tray 35, a holder 37 for holding the biscuit 110 that is seated in the lower half tray 35 is provided.

The elastic body 39 is accommodated in the upper half tray 31 and the lower half tray 35 and elastically supported to provide an elastic force such that the lower half tray 35 approaches the upper half tray 31. [ In this embodiment, the coil spring is shown as the elastic body 39, but the present invention is not limited to this, and it can be provided in various forms.

The plurality of first half trays 20a and the plurality of second half trays 20b are combined with each other by the rotation of the pair of

endless tracks

10a and 10b so that the tray 40 (C), which form a separating section, which are mutually separated from each other.

The combining section c is formed in a region of each endless track where a plurality of first half trays 20a and a plurality of second half trays 20b face each other, (C) in the region of the infinite orbit.

2, the combination section c includes a biscuit supplying region c1 to which the biscuits 110 are supplied from the biscuit supplying portion 50 to the tray 40, A dipping region c2 where the chocolate 120 is coated on the chocolate 110 and a cooling region c3 where the chocolate biscuit 100 coated with the chocolate 120 is cooled. The biscuit supplying region c1, the dipping region c2 and the cooling region c3 are sequentially arranged in the combination region c.

The biscuit supplying portion 50 is disposed above the tray 40 in the biscuit supplying region c1 and the pressing portion 90 and the dipping portion 80 are provided in the dipping region c2 with the tray 40 interposed therebetween, And a cooling section 95 is disposed on one side of the tray 40 in the cooling region c3.

The biscuit supplying part 50 is provided in the biscuit supplying area c1 of the combination section c and is provided with the first half tray 20a and the second half tray 20b which are formed by combining the first half tray 20a and the second half tray 20b, The second half tray 20b and the biscuits 110 are supplied to the tray 40 formed with the second half tray 20b facing each other.

The biscuit supplying portion 50 includes a hopper 51, a biscuit moving portion 55, and a vibrator 71.

The hopper 51 has a hollow cylindrical shape and the lower end portion of the hopper 51 has a cross sectional area of the biscuit outlet 53 through which the biscuit 110 is discharged so that the biscuit 110 is fed into the biscuit moving portion 55 in a predetermined direction. Sectional shape that gradually decreases.

The biscuit moving part 55 guides the biscuit 110 discharged from the hopper 51 to move to the tray 40. The biscuit moving part 55 includes an aligning part 57 and a biscuit discharging part 61.

The alignment part 57 is provided to be inclined below the hopper 51. A plurality of stripe grooves 59 are formed in the aligning part 57 so as to be inclined so that the biscuits 110 discharged from the hopper 51 are aligned side by side along a plurality of stripe grooves 59, ). Here, the plurality of stripe grooves 59 may be provided corresponding to the number of working lots per one time of the chocolate biscuit 100.

The biscuit discharging portion 61 discharges the biscuit 110 that has reached the aligned portion through the aligning portion 57 to the tray 40. The sloped grooves 63 are formed in the biscuit discharging portion 61. When the hopper stopper 67 is opened and closed as described later, It is for this reason.

The biscuit discharging portion 61 may be provided with a weight measuring portion 65 for measuring the weight of the biscuit 110 that has reached the biscuit discharging portion 61. Here, as the weight measuring unit 65, a load cell may be provided.

The biscuit discharging portion 61 may be provided with a hopper stopper 67 for controlling the supply of the biscuit 110 to the tray 40. The hopper stopper 67 opens and closes the biscuit discharging portion 61 and opens and closes the biscuit discharging portion 61 in cooperation with the weight measuring portion 65. That is, the weight of the biscuits 110 that have reached the biscuit discharging portion 61 per one working lot is measured. When the total weight of the biscuits reaches the total weight, the hopper bung 67 is opened to reach the biscuit discharging portion 61 And supplies the biscuits 110 to the plurality of trays 40. [

The vibrator 71 is provided at one side of the hopper 51, and generates vibrations in the hopper 51. A plurality of biscuits 110 stored in the hopper 51 are discharged from the lower end of the hopper 51 to the aligning portion 57 as the vibrator 71 generates vibration in the hopper 51. [

The biscuit supplying part 50 converges the biscuit 110 stored in the hopper 51 to the lower end of the hopper 51 by the vibration of the vibrator 71 and at the same time the biscuit outlet 53 at the lower end of the hopper 51, To the biscuit moving part 55 in a predetermined direction. The biscuits 110 introduced into the biscuit moving part 55 reach the biscuit discharging part 61 by the fine vibration of the hopper 51 and the inclination of the aligning part 57. When the weight of the biscuits 110 arriving at the biscuit discharging portion 61 reaches a predetermined total weight, the hopper stopper 67 is opened to release the biscuits 110 of the biscuit discharging portion 61 from the tray 40, . At this time, the biscuits 110 supplied to the tray 40 can be supplied to the tray 40 in a standing state in the longitudinal direction of the biscuits 110.

The dipping portion 80 is provided in the dipping region c2 of the combination section c and is located below the tray 40. [ The dipping unit 80 coats the chocolate 120 with at least one area of the biscuit 110 that is seated in the tray 40 through the biscuit supplying unit 50.

The dipping unit 80 includes a chocolate tube 81 for containing the chocolate solution 120, a rotation shaft 83 disposed above the chocolate tube 81, and a rotation shaft 83 disposed radially around the rotation shaft 83, And a plurality of wing portions (85). One rotary shaft 83 and the plurality of wing portions 85 of the dipping portion 80 form a spinneret shape.

The rotary shaft 83 is rotated by a drive motor (not shown).

Each wing portion 85 is configured to pour the chocolate 120 solution contained in the chocolate tube 81 to coat the chocolate 120 in at least one region of the biscuit 110 seated in the tray 40, And has a hemispherical basket shape.

Here, reference numeral 87 denotes a bracket for supporting the rotary shaft 83.

Such a dipping portion 80 interlocks with the operation of the press portion 90 under the tray 40 pressed by the press portion 90 to be described later and the wing portion 85 rotates so that the wing portion 85 The chocolate (120) solution is pumped from the chocolate tube (81). That is, when the wing portion 85 rotates while the

endless tracks

10a and 10b are rotating, and when the

endless tracks

10a and 10b do not rotate, the wing portion 85 is rotated by the chocolate tube 81 The chocolate 120 is not pivoted.

The apparatus for manufacturing a chocolate biscuit bread according to the present invention is characterized in that a tray 40 on which a biscuit 110 is placed is coated with a chocolate 120 in a dipping area c2 of a combination section c, 80 to the chocolate 120 solution of the chocolate 120.

The press portion 90 is moved up and down toward the tray 40 by a driving means (not shown). The press section 90 is provided with a plurality of presses (not shown) which penetrate the tray hole 33 of the upper half tray 31 and press the lower half tray 35 so that the lower half tray 35 is separated from the upper half tray 31 And a rod 91. The pressing rod 91 has a rod shape having a sectional shape corresponding to the tray hole 33 and can have a length larger than the height of the upper half tray 31. [

The press portion 90 also includes a pusher 93 for pressing the upper portion of the biscuit 110 that is seated in the tray 40. [ Although the pusher 93 in this embodiment is illustrated as having an arch shape that protrudes curved downward, it is not limited thereto and may have various shapes.

Thus, while the press portion 90 of the press portion 90 is lowered from the upper portion of the dipping region c2 of the combination section c toward the dipping portion 80, The lower half tray 35 is lowered toward the dipping portion 80 while the pusher 93 is lowered and the biscuit 110 placed on the tray 40 is lowered Pressure. At this time, the pusher 93 operates to stably deliver the biscuit 110 to the tray 40 against the buoyancy of the solution of the chocolate 120 flowing into the tray 40 through the gap of the bottom of the tray 40 So that the chocolate 120 having the proper height can be coated on the biscuit 110. Therefore, the press portion 90 presses the upper half tray 31 and the lower half tray 35 when the pressing rod 91 presses the lower half tray 35 through the tray hole 33 of the upper half tray 31 The lower half tray 35 is contained in the solution of the chocolate 120 of the dipping portion 80 due to the action of the elastic body 39 connected to the dipping portion 80. As a result,

The cooling section 95 is provided in the cooling zone c3 of the combination section c to cool the chocolate biscuit 100 coated with the chocolate 120 through the dipping section 80. [

The cooling unit 95 supplies the chilled biscuit 100 coated with the chocolate 120 to the cooling unit 95 to cool the biscuit biscuit 100. The cooling unit 95 cools the chocolate biscuit 100 by supplying cool air,

A process for manufacturing chocolate biscuits using the apparatus for manufacturing chocolate biscuits according to an embodiment of the present invention will now be described.

The pair of

endless tracks

10a and 10b are rotated in the state where the operation of the biscuit supplying part 50 is stopped so that the first half tray 20a and the second half tray 20b in the biscuit supplying area c1 of the combination section c, The tray 20b is combined to form a tray 40 in a quantity corresponding to the number of times of operation of the chocolate biscuit 100. The rotation of each of the

endless tracks

10a and 10b is stopped, The hopper stopper 67 is opened and a plurality of biscuits 110 of the biscuit discharging portion 61 are seated on the tray 40. [ At this time, the operation of the

endless tracks

10a, 10b and the vibrator 71 stops with the signal of the weight measuring unit 65 reaching the set weight, and the hopper stopper 67 is opened.

The vibrator 71 of the biscuit supplying portion 50 starts operating and the

endless tracks

10a and 10b rotate to rotate the tray 40 on which the biscuit 110 is placed Reaches the dipping region c2.

While the biscuit 110 supplied from the biscuit supplying part 50 is seated on the tray 40, the pressing part 90 descends toward the tray 40 in the dipping area c2, The wing portion 85 of the dipping portion 80 located at the lower side pours up the solution of the chocolate 120 contained in the chocolate tube 81 to perform the chocolate coating operation.

At this time, the pressing rod 91 of the press portion 90 pushes the lower half tray 35 through the tray hole 33 of the upper half tray 31 so that the lower half tray 35 presses the lower half tray 35 And the pusher 93 of the press unit 90 stably presses the biscuit 110 that is seated on the tray 40. [

More specifically, when a plurality of trays 40 on which the biscuits 110 are placed are positioned in the dipping region c2, the plurality of pressing rods 91 of the press portion 90 and the pushers 93 are positioned in the tray For example, a plurality of pressing rods 91 pass through the tray holes 33 of the upper half tray 31 to push the lower half tray 35 toward the dipping portion 80 and then rise At the same time, when the pusher 93 is also lowered, the biscuits 110 mounted on the tray 40 are pressed and lifted, the elastic body 39 for holding the upper half tray 31 and the lower half tray 35 elastically is pulled Then, it is compressed again and restored.

The biscuit 110 and the lower half tray 35 mounted on the tray 40 are rotated by the elastic force of the elastic body 39 to remove the chocolate solution 120 poured into the wing portion 85 of the dipping portion 80 For example, and escapes from the solution of chocolate 120 of the wing portion 85, for example. Thus, the chocolate 120 is coated on the surface of the biscuit 110 placed on the tray 40 at a predetermined height. In this case, depending on the extent to which the pressing rod 91 and the pusher 93 of the press section 90 press the lower half tray 35, that is, by the pressing operation of the press section 90, The height of the chocolate 120 coated on the biscuits 110 mounted on the tray 40 can be adjusted according to the distance between the lower half trays 35. [

The chocolate biscuits 100 coated with the chocolate 120 rotate through the

endless tracks

10a and 10b again and pass through the cooling zone c3 to rotate the

endless trajectories

10a and 10b along the trays 40, The chocolate biscuit 100 coated with the chocolate 120 at a predetermined height as shown in FIG. 10 is completed.

The first half tray 20a and the second half tray 20b forming the tray 40 are separated from each other by the rotation locus of the

endless tracks

10a and 10b and enter the separation section.

The biscuit 110 is placed on the tray 40 and the biscuit 110 placed on the tray 40 is placed on the tray 40. In this way, The entire process of completing the chocolate biscuit 100 coated with the chocolate 120 at a predetermined height is automatically performed after the tray 120 is coated and the chocolate 120 is cooled.

As described above, according to the present invention, after a plurality of biscuits are placed on a tray formed by rotation of a pair of infinite orbits, the biscuits are moved, stopped and moved in accordance with rotation of each endless track, The first half tray and the second half tray form a tray by being combined with each other in a combination section in which the endless tracks face each other and are automatically moved along the rotation locus of the endless track and when the endless track is stopped, A step of pressing the tray and the biscuit by pressing the press portion in a state where the wing portion of the dipping portion of the dipping portion is housed in the chocolate tube, When the infinite orbit rotates, the chocolate-coated biscuit passes through the cooling zone and from a point where a pair of endless tracks are separated. Lice are automatically separated chocolate biscuits being completed, it is possible to automatically chocolates coated with a predetermined height as small as biscuits, cookies, forms automation of tasks, it is possible to mass production.

Claims

A pair of infinite orbits rotating in mutually opposite directions;

And a plurality of second harvesters provided respectively in the pair of the infinite orbits and forming combinational sections for forming trays on which the biscuits are seated by being combined with each other by rotation of the pair of infinite orbits, A tray and a plurality of second half trays;

A biscuit supply unit supplying biscuit to the tray;

A dipping unit for coating at least one region of the biscuit loaded on the tray with the chocolate through the biscuit supplying unit; And

And a cooling portion for cooling the chocolate-coated biscuit coated with chocolate through the dipping portion.
The method according to claim 1,

Wherein the first half tray and the second half tray each include:

An upper half tray supported on the endless track;

A lower half tray that approaches and separates from the upper half tray; And

And an elastic body elastically supporting the upper half tray and the upper half tray so that the lower half tray approaches the upper half tray.
3. The method of claim 2,

Further comprising a mount provided on the lower half tray for mounting biscuits that are seated in the lower half tray.
The method according to claim 1,

Wherein the biscuit supplying portion includes:

Hopper to store biscuits;

A biscuit dispenser for dispensing biscuits to the tray, the biscuit dispenser having a biscuit dispenser for dispensing biscuits, the dispenser comprising: an aligning part arranged obliquely below the hopper for aligning the biscuits discharged from the hopper in parallel; A biscuit moving part; And

And a vibrator provided in the hopper for generating vibrations in the hopper and discharging a plurality of biscuits stored in the hopper to the aligning portion.
5. The method of claim 4,

And a weight measuring unit for measuring the weight of the biscuit reached the biscuit discharging unit.
6. The method of claim 5,

Further comprising a hopper stopper provided in the biscuit discharging portion for controlling supply of biscuit to the tray in cooperation with the weighing portion.
The method according to claim 1,

Wherein the dipping unit includes:

A chocolate tube containing a chocolate solution;

A rotating shaft disposed above the chocolate tube; And

And a wing portion that is disposed radially and rotates about the rotation axis and piles up the chocolate solution contained in the chocolate tube to coat the chocolate in at least one region of the biscuit seated in the tray.
3. The method of claim 2,

Further comprising a press portion for pressing the tray on which the biscuit is placed, toward the chocolate solution of the dipping portion so that the chocolate is coated on the biscuit.
9. The method of claim 8,

A tray hole is formed through the upper half tray toward the lower half tray,

The press section includes:

And a plurality of pressing rods which are raised toward the tray and penetrate the tray holes of the upper half tray to press the lower tray so that the lower half tray is spaced apart from the upper half tray.
9. The method of claim 8,

Wherein the press section includes a pusher for pressing the biscuit seated on the tray.