CN209783398U - Clear rifle rubbish storage device - Google Patents

Abstract

The utility model discloses a gun-cleaning garbage storage device, which comprises a box body, a cover connected with the box body in an opening-closing way, and an inlet for the outer end part of a gun barrel to extend into so as to at least make liquid garbage flow into the box body; the inlet is a round hole or an elliptical hole extending up and down or a inverted gourd-shaped hole with a large upper part and a small lower part for the sight and the accessories at the end part of the gun barrel to pass through; the inner wall of the box body at the lower part of the inlet is provided with a backflow preventing plate for preventing liquid from flowing backwards; still include be connected with the box rear end and be used for supporting on the barrel and can with the fixed support fixed knot of barrel construct: the top of the inlet is provided with an arc-shaped support matched with the shape of the top of the inlet, a flexible pad arranged at the bottom of the support and extending from the outside to the top wall of the inlet, and a flexible belt arranged on the arc-shaped support and used for being fixed with the gun barrel. The flexible pad and the flexible belt are detachably connected with the arc-shaped bracket. The containing device can enable liquid garbage to automatically flow into the box body through the gun tube, and solid garbage can also be manually scraped towards the box body to enter or be thrown into the box body.

Description

Clear rifle rubbish storage device

Technical Field

The utility model relates to a gun auxiliary device specifically says so a clear rifle rubbish storage device.

Background

Gun cleaning oil, rust preventive oil and other solvents can be used in the gun cleaning process, and liquid garbage and solid garbage such as copper powder, lead powder, cloth pieces, oil stains and the like can also be generated in the gun cleaning process. If the gun cleaning agent is scattered on the ground or a table top, the environment can be polluted, and the cross contamination between the working environment and the gun can be easily caused when the next gun is cleaned. To the best of the applicant's knowledge, there is no prior art firearm cleaning waste collection device that is effective for collecting dirt during firearm cleaning.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a clear rifle rubbish storage device of produced liquid rubbish of clear rifle in-process and solid-state rubbish can be collected.

The technical solution of the utility model is that, a clear rifle rubbish storage device is provided, including the box, with the lid that box open-close type is connected, supply the outer tip of barrel to stretch into in order to make liquid rubbish flow into the box in the entry at least.

After the structure above the adoption, the utility model discloses clear rifle rubbish storage device has following advantage: during the gun cleaning process, the device can be hung at the outer end part of the gun barrel, the outer end part of the gun barrel can be lower than the other end of the gun barrel, liquid garbage such as gun cleaning oil, rust-proof oil and other solvents can automatically flow into or be pushed into the box body through the gun barrel, and solid garbage such as copper powder, lead powder, cloth pieces and the like generated during the gun cleaning process can also be manually pushed towards the box body to enter the box body through the inlet or be thrown into the box body through the inlet. Liquid and solid garbage in the gun cleaning process is reduced or even avoided scattering on the ground or a table top, pollution to the environment is reduced or even avoided, and cross pollution of the working environment and the gun can not be caused when the next gun is cleaned. This clear rifle rubbish storage device can furthest reduce the rubbish pollution that clear rifle work produced, reduces work load and brings the facility of work and the improvement of clean gun work efficiency for gun cleaning worker.

Further, the inlet is a circular hole for the sight and the fittings at the end of the gun barrel to pass through, or an oval hole extending up and down, or a inverted gourd-shaped hole with a large upper part and a small lower part. After the structure is adopted, the shape and the size of the inlet can completely meet the actual requirement that the outer end parts of the gun barrels of various guns with different diameters and other accessories such as a sight and the like pass through and enter the box body.

Furthermore, the inner wall of the box body at the lower part of the inlet is provided with a backflow preventing plate for preventing liquid from flowing backwards. After the structure is adopted, the aperture of the inlet can be ensured to be large enough to enable the outer ends of all gun barrels to enter the box body, and liquid substances, namely residual liquid, can be prevented from flowing out through the aperture in the gun cleaning process.

Furthermore, still include and be connected with the box rear end and be used for supporting on the barrel and can with the fixed support fixed knot structure of barrel. After the structure more than adopting, at the clean gun in-process, fixed this storage device and the outer tip of barrel to the clear rifle in-process of guarantee goes on reliably smoothly.

Further, the supporting and fixing structure is an arc-shaped support matched with the shape of the top of the inlet, a flexible pad arranged at the bottom of the arc-shaped support and extending from the top wall of the inlet to the outside, and a flexible belt arranged on the arc-shaped support and used for being fixed with the gun barrel. After the structure is adopted, the fixing structure is simple and reliable, the material is saved, the strength is good, and the gun barrel cannot be damaged.

Furthermore, the flexible pad is detachably connected with the arc-shaped bracket; the flexible belt is detachably connected with the arc-shaped bracket, for example, the following specific structures of a flexible pad and the flexible belt are adopted. After the structure more than adopting, can be different according to accessory shapes such as barrel diameter and sight, adopt the flexible pad of different shape thickness and the flexible band of different length to can change the flexible pad and the flexible band of renewal as required, with the reliability that this storage device and the outer tip of barrel are fixed is further protected to the further protection barrel and further strengthened.

furthermore, the structure of the flexible cushion is preferably selected, the top surface of the flexible cushion is an arc-shaped surface matched with the bottom surface of the arc-shaped support, the bottom surface of the flexible cushion is an inverted V-shaped surface for pressing the gun barrel, two arrow-shaped inserts are arranged at the top of the flexible cushion, the width of the upper parts of the arrow-shaped inserts is larger than that of the lower parts of the arrow-shaped inserts, two first step through holes corresponding to the arrow-shaped inserts in shape and position sizes are formed in the arc-shaped support, the large holes in the upper parts of the first step through holes accommodate the wide upper parts of the arrow-shaped inserts in a naturally unfolded state, and the small holes in the lower parts of the first step through holes accommodate small; notches are left on both sides of the flexible pad for the flexible strap to pass through as described below with respect to the rubber tie. After adopting above structure, the simple structure of flexible pad, with the installation of arc support with dismantle convenient, swift, the reliability of connection is strong.

Furthermore, the flexible belt is preferably a rubber binding belt with one end provided with a limiting big head and the other end provided with an arc shape, and the rubber binding belt is provided with a plurality of waist-shaped through holes along the length direction; one side of arc support has the second ladder through-hole that supplies the rubber ribbon to pass and the spacing major part of holding, and the opposite side of arc support has the through-hole that supplies the rubber ribbon to pass behind the barrel, has the waist shape through-hole cooperation use with the rubber ribbon on the arc support of through-hole top for make arc support and clear rifle rubbish storage device and barrel fixed first fixed key. After adopting above structure, the simple structure of flexible band, with the installation of arc support with dismantle convenient, swift, the reliability of connection is strong.

Furthermore, a second fixing key which is matched with the rectangular through hole of the rest free part of the rubber bandage for use so as to fix the rest length and not to hinder the cleaning work of the gun is arranged above the second step through hole. After the structure more than adopting, storage device during operation's structure is also compact reasonable: the rubber band, after being wound around the barrel and tightened, is fixed to the second fixing key even if it has a remaining length, without hindering the normal cleaning operation of the firearm.

Further, the cross section of the box body is in the shape as follows: the two corners of one end of the hollow long box body are arc corners, the other end of the hollow long box body is semicircular, and the connecting plates of the four side plates and the bottom plate of the box body are arc transition plates; the cover is an arch cover, the cross section of the cover is hollow and long: two corners of one end are both arc corners, and the other end is semicircular. After the structure is adopted, the inner cavity of the box body is a smooth cavity without a right angle, namely a dead angle, so that the gun cleaning garbage containing device can be cleaned and cleaned conveniently after the gun is cleaned; the arched structure of the cover not only leaves a containing space for the sight bead of the gun and other accessories, but also is convenient for cleaning and cleaning the cover.

Furthermore, the box body structure also comprises four supporting legs fixed at the lower part outside the box body, the bottoms of the supporting legs are planes, and the connecting surface with the box body is an arc-shaped surface matched with the arc-shaped transition plate of the box body. In the whole gun cleaning process, the box body can be conveniently and stably placed on the surface of a table top or other working tables in a flat mode.

Further, the box body is made of transparent materials, and the cover is made of transparent materials. After the structure is adopted, in the gun cleaning process, the gathering states of liquid garbage and solid garbage in the box body can be seen through, so that the garbage in the box body can be timely treated, and the gun cleaning process can be controlled.

Drawings

Fig. 1 is the first three-dimensional structure of the gun-cleaning garbage storage device of the present invention.

Fig. 2 is a schematic top view of the case and the lid of the present invention when they are opened.

Fig. 3 is a schematic side sectional view of the case and the cover of the present invention when they are closed.

Fig. 4 is an exploded view of the flexible pad and the arc-shaped support (the flexible band is not shown) according to the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the gun cleaning garbage collecting device of the present invention.

Fig. 6 is a schematic structural view of an embodiment of the long gun of the present invention.

Fig. 7 is an enlarged view of a portion of the structure of fig. 6.

Shown in the figure are 1, arc, 2, waist-shaped through hole, 3, rubber ribbon, 4, second fixed key, 5, spacing big head, 6, arc support, 7, first fixed key, 8, cover, 9, supporting legs, 10, box, 11, flexible pad, 12, breach, 13, through-hole, 14, first step through-hole, 15, second step through-hole, 16, backflow preventing plate, 17, arrow-type plug block, 18, inlet, 19, barrel.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7

The utility model discloses clear rifle rubbish storage device, including box 10, the lid 8 of being connected with box 10 open-close type. In the open-close type connection, as shown in the figure, two hinge structures are arranged on one side of the box body 10 and one side of the cover 8, and a pair of male and female buckle structures which are matched for use is arranged on the other side of the box body.

The utility model discloses clear rifle rubbish storage device still stretches into the entry 18 that makes liquid rubbish flow into box 10 with the outer tip that supplies barrel 19 at least. The inlet 18 is preferably a circular hole or an oval hole extending up and down or a inverted gourd shaped hole with a large top and a small bottom for passing the sight and fittings at the end of the barrel 19. The inlet 18 may be understood to be an inlet at the outer end of the barrel, and if the outer end of the barrel is below the chamber, the liquid waste may automatically flow into the bin 10. The liquid garbage and solid garbage such as copper powder and lead powder can be poked by the gun tube through the brush to the direction in the box body, so that the liquid garbage and the solid garbage can fall into the box body 10. Other solid waste such as cloth sheets may be fed into the bin 10 through the inlet 18, or of course, may be fed through the top of the bin by opening the lid 8. The gun cleaning garbage containing device can also be called a gun cleaning garbage collecting device or a gun cleaning garbage containing device. The outer end of the barrel 19, i.e. the end of the firing end of the barrel 19, may also be referred to as the end of the free end of the barrel 19.

Because the gun models are different, the diameters of the pipes are different, and some gun barrels are also provided with front foresight stars and other accessories. The access opening is made larger, i.e. the access opening 18 cannot be made too small, otherwise part of the firearm cannot be inserted from the access opening 8 due to diameter or fittings and a large access opening must be left. However, the large inlet is easy to generate the phenomenon of residual liquid outflow, namely the reflux phenomenon. A backflow prevention baffle 16 is added. Can well prevent residual liquid from flowing out. That is, the inner wall of the tank 10 at the lower part of the inlet 18 is provided with a backflow preventing plate 16 for preventing liquid from flowing backwards, and the shape of the backflow preventing plate 16 is matched with the shape of the bottom of the inlet 18, such as a concave arc plate.

The cross-sectional shape of the box body 10 is preferably as follows: two corners of one end of the hollow long box body are arc corners, namely two corners of a straight edge are arc corners, the other end of the hollow long box body is semicircular, the four side plates of the box body 10 and the connecting plate of the bottom plate are arc transition plates, namely the bottom plate and the four side plates are arc transition, namely all corners in the whole box body 10 are arc corners, no dead angle exists, and the hollow long box body is a smooth inner cavity and is convenient to clean and clean. A hollow elongated box is also understood to be a substantially rectangular box with a chamfered cross-section or a substantially oval box.

The cover 8 is an arch cover, the cross section of the cover 8 is hollow and long: two corners of one end are both arc corners, and the other end is semicircular. The design of the arch cover not only provides the accommodating space for the accessories such as the sight and the like, but also reduces the material consumption to the maximum extent and meets the requirement of strength.

The box body 10 is preferably made of transparent material, and the cover 8 is preferably made of transparent material such as plastic or organic glass. Or only the box body is made of transparent material, and the cover is not transparent. Of course, it is preferred that both be transparent. It is not difficult to understand, adopt transparent material, have inside visuality in the actual work, the control of the gun cleaning process of being convenient for and the timely clearance of rubbish in the box.

The utility model discloses clear rifle rubbish storage device still includes and is connected with the box 10 rear end and is used for supporting on barrel 18 and can with the fixed support fixed knot structure of barrel 19. Referring to the drawings, the end of the case 10 where the end plate is a straight plate, that is, the end where the straight edge is, is a rear end.

The supporting and fixing structure is an arc-shaped support 6 matched with the shape of the top of the inlet 18, a flexible pad 11 arranged at the bottom of the arc-shaped support 6 and extending from the top wall of the inlet 18, and a flexible belt arranged on the arc-shaped support 6 and used for fixing with a gun barrel 19. The arc-shaped bracket 6 is provided with a reinforcing rib at the top. The design of strengthening rib has furthest reduced the consumptive material, reaches the demand of intensity again.

The flexible pad 11 and the arc-shaped bracket 6 are preferably detachably connected: the arcwall face that the top surface of flexible pad 11 is matched with the bottom surface of arc support 6, the bottom surface of flexible pad 11 is the face of falling V-arrangement for compressing tightly barrel 19, the top of flexible pad 11 is equipped with two arrow point formula inserted blocks 17, the width on the upper portion of arrow point formula inserted block 17 is greater than the width of lower part, arc support 6 is last to have two and arrow point formula inserted block 17 shape position size corresponding first step through-hole 14, the macropore holding on first step through-hole 14 upper portion is the wide upper portion of the arrow point formula inserted block 17 of natural expansion state, the little body in lower part of the arrow point formula inserted block 17 of the downthehole holding of first step through-hole 14 lower part. The flexible pad 11 is left with notches 12 on both sides for the flexible strap, such as the rubber band 3, to pass through. The flexible pad 11 is, for example, a rubber pad or a plastic pad.

The flexible belt and the arc-shaped bracket 6 are preferably detachably connected: the flexible band is a rubber binding band 3 with one end provided with a limit big end 5 and the other end provided with an arc 1. The rubber bandage 3 is provided with a plurality of waist-shaped through holes 2 along the length direction. One side of the arc-shaped support 6 is provided with a second step through hole 15 for the rubber bandage 3 to pass through and accommodate the limiting big end 5, and the other side of the arc-shaped support 6 is provided with a through hole 13 for the rubber bandage 3 to pass through after winding the barrel 19. The arc-shaped support 6 above the through hole 13 is provided with a first fixing key 7 which is matched with the waist-shaped through hole 2 of the rubber bandage 3 for fixing the arc-shaped support 6 and the gun cleaning garbage storage device with the gun barrel 19. The rubber bandage 3 can be provided with transverse concave-convex lines. The rubber bandage 3 can be tightened according to the barrels 19 with different pipe diameters. The rubber binding belt 3 penetrates through the second step through hole 15, and the limit of the limiting big end 5 and the second step through hole prevents the rubber binding belt from being drawn out. Friction is generated between the transverse concave-convex lines on the rubber ribbon 3 and the narrow holes in the second step through holes 15 and the through holes 13, so that tightness can be conveniently adjusted. Of course, the flexible band may be a plastic band, which has the same structure as the rubber band.

And a second fixing key 4 which is matched with the waist-shaped through hole 2 of the rest free part of the rubber binding belt for use so as to fix the rest length of the rubber binding belt 3 and not hinder the cleaning work of the gun is arranged above the second step through hole 15.

The first fixing key 7 and the second fixing key 4 are preferably arc-shaped corners and are provided with wedge-shaped protrusions for preventing the rubber bandage 3 from being separated from the fixing keys, and the wedge-shaped protrusions can also be called upward inclined protrusions.

It will be appreciated that in the secured condition, the flexible pad 11, e.g., rubber pad, together with the flexible band, e.g., rubber band 3, surrounds the barrel 19, both securing the barrel 19 to the present storage device and maximizing the protection of the barrel surface.

The connection relationship between the rubber band 3 and the first fixing key 7 and the second fixing key 4 is described as follows:

When the rubber bandage 3 is fixed with the barrel 19 and pulled out from the through hole 13 of the arc-shaped bracket 6, the tightness is adjusted, and the first fixing key 7 penetrates into the kidney-shaped through hole 2 on the rubber bandage 3 and is limited by the wedge-shaped bulge without loosening.

The length of the rubber band 3 must not be too short to be suitable for different gun types. In general, a part of the length of the rubber band 3 remains after it is fixed to the first fixing key 7. If not fixed, work may be affected. The second fixing key 4 is used for fixing the rubber band 3 of the rest part, so that the structure is compact and reasonable in operation, and the cleaning work of the gun is not hindered.

And two first step through holes and flexible pad 11 are the cooperation of rubber material's arrow point formula inserted block like two of rubber pad, can prevent effectively that flexible pad 11 and arc support 6 from breaking away.

The utility model discloses clear rifle rubbish storage device still is including fixing four supporting legss 9 in the outer lower part of box 10, and the bottom of supporting legs 9 is the plane, crosses the arcwall face that the cab apron matches for crossing with box 10 arc with the connection face of box 9. It is understood that the fact that the bottoms of the supporting legs 9 are flat means that the bottoms of the four supporting legs 9 are flat, and the fact that the connecting surfaces of the supporting legs and the box body 10 are arc-shaped surfaces matched with the arc-shaped transition plate of the box body 10 means that the four connecting surfaces of the supporting legs and the box body 10 are arc-shaped surfaces matched with the arc-shaped transition plate of the box body 10. The number of the supporting legs can be two, and each supporting leg extends to two sides of the bottom of the box body; three are also possible: one at one end and two at the other end; the supporting foot can also be one: each extending along the bottom of the box body towards two sides and simultaneously extending towards two ends. Of course, four are preferred as shown in the figures. The supporting feet 9 and the box body 10 can be fixed by glue, can be integrally formed by plastic or can be welded by thermal plastic.

The utility model discloses clear rifle rubbish storage device use profile is as follows:

The gun cleaning garbage storage device is taken out, namely the gun cleaning garbage storage device is taken out, the flexible pad 11 such as a rubber pad is fixed on the arc-shaped support 6 through the first step through hole 14, and the rubber binding belt 3 penetrates through the second step through hole. Of course, the rubber band 3 may be attached in advance.

The long gun is placed or fixed, then the inlet of the gun cleaning garbage storage device is penetrated through and erected at the outer end part of the gun barrel 19, the rubber binding belt 3 is wound around the gun barrel 19 and then penetrates through the through hole of the arc-shaped support 6, and the rubber binding belt 3 is tensioned. After confirming that the gun barrel 19 is fixed, the waist-shaped through hole 2 of the rubber bandage 3 closest to the first fixed key 7 is sleeved on the first fixed key 7, and the waist-shaped through hole 2 closest to the length of the rubber bandage 3 bent along the direction of the arc-shaped bracket 6 is sleeved on the second fixed key 4.

Gun is wiped to the clearance of the outer end direction of barrel 19 from the rifle chamber direction, makes the residue in the clearance process liquid rubbish promptly and solid garbage fall into the utility model discloses clear rifle rubbish storage device is interior.

The upper cover 8 is opened, the metal brush or the like connected to the gun cleaning rod is twisted off, and the metal brush cannot be pulled back and only the hollow rod can be pulled back due to the rifling protection.

After the first gun is cleaned, the waste is dumped and after the bin 10 is cleaned, the next gun can then be cleaned.

After the clear rifle finishes, loosen rubber ribbon 3, take off clear rifle rubbish storage device, properly handle the good residue to the sanitization is in order to use next time.

as described above, the utility model discloses clear rifle rubbish storage device generally is used for the rifle, the bullet rifle that looses, air gun etc.. Of course, it can also be used for short guns such as handguns.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a clear rifle rubbish storage device which characterized in that: comprises a box body (10), a cover (8) connected with the box body (10) in an opening-closing way, and an inlet (18) for the outer end part of a gun pipe (19) to extend into so as to at least make the liquid garbage flow into the box body (10).

2. The lance cleaning garbage containing device according to claim 1, wherein: the inlet (18) is a circular hole or an elliptical hole extending up and down or a inverted gourd-shaped hole with a large top and a small bottom for the sight and the accessories at the end of the gun barrel (19) to pass through.

3. The lance cleaning garbage containing device according to claim 1 or 2, characterized in that: the inner wall of the box body (10) at the lower part of the inlet (18) is provided with a backflow preventing plate (16) for preventing liquid from flowing backwards.

4. The lance cleaning garbage containing device according to claim 1 or 2, characterized in that: the gun barrel fixing device further comprises a supporting and fixing structure which is connected with the rear end of the box body (10), is used for supporting the gun barrel (19) and can be fixed with the gun barrel (19), an arc-shaped support (6) matched with the top of the inlet (18) in shape, a flexible pad (11) which is arranged at the bottom of the arc-shaped support (6) and extends from the top wall of the inlet (18) to the outside, and a flexible belt which is arranged on the arc-shaped support (6) and is used for fixing the gun barrel (19).

5. The lance cleaning garbage containing device according to claim 4, wherein: the top surface of the flexible pad (11) is an arc-shaped surface matched with the bottom surface of the arc-shaped support (6), the bottom surface of the flexible pad (11) is an inverted V-shaped surface for pressing the gun barrel (19), the top of the flexible pad (11) is provided with two arrow-shaped inserts (17), the width of the upper part of the arrow-shaped inserts (17) is larger than that of the lower part, the arc-shaped support (6) is provided with two first step through holes (14) corresponding to the shape, position and size of the arrow-shaped inserts (17), the large holes in the upper part of the first step through holes (14) are used for accommodating the wide upper part of the arrow-shaped inserts (17) in a naturally unfolded state, and the small holes in the lower part of the first step through holes (14) are used for accommodating small bodies in; notches (12) for the flexible belts to pass through are reserved on two sides of the flexible cushion (11).

6. The lance cleaning garbage containing device according to claim 4, wherein: the flexible band is a rubber binding band (3) with a limited big end (5) at one end and an arc-shaped (1) at the other end, and a plurality of waist-shaped through holes (2) are formed in the rubber binding band (3) along the length direction; one side of arc support (6) has second ladder through-hole (15) that supplies rubber ribbon (3) to pass and holding spacing major part (5), and the opposite side of arc support (6) has through-hole (13) that supply rubber ribbon (3) to pass around barrel (19) back, has waist shape through-hole (2) cooperation use with rubber ribbon (3) on arc support (6) of through-hole (13) top to be used for making arc support (6) and clear rifle rubbish storage device and barrel (19) fixed first fixed key (7).

7. The lance cleaning garbage containing device according to claim 6, wherein: and a second fixing key (4) which is matched with the waist-shaped through hole (2) of the rest free part of the rubber bandage (3) for use so as to fix the rest length of the rubber bandage (3) and not hinder the cleaning work of the gun is arranged above the second step through hole (15).

8. The lance cleaning garbage containing device according to claim 1, wherein: the cross section of the box body (10) is as follows: the two corners of one end of the hollow long box body are arc corners, the other end of the hollow long box body is semicircular, and the connecting plates of the four side plates of the box body (10) and the bottom plate are arc transition plates; the cover (8) is an arch cover, the cross section of the cover (8) is hollow and long: two corners of one end are both arc corners, and the other end is semicircular.

9. The lance cleaning garbage containing device according to claim 8, wherein: the box body is characterized by further comprising four supporting legs (9) fixed on the outer lower portion of the box body (10), the bottoms of the supporting legs (9) are planes, and the connecting surface of the supporting legs and the box body (10) is an arc-shaped surface matched with the arc-shaped transition plate of the box body (10).

10. The lance cleaning garbage containing device according to claim 1, 2 or 8, characterized in that: the box body (10) is made of transparent materials, and the cover (8) is made of transparent materials.