JPH1043014A - Showcase with glass door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent breakage of an end part of a glass plate and flying of the broken pieces thereof by a method wherein glass doors of a showcase are formed with the glass plates, each end of which sticks out in a polygonal shape with corner parts thereof set at an obtuse angle and the end part having the end face thereof sticking out is coated with a resin. SOLUTION: The body of a commercial refrigerated cabinet 1 is made up of a heat insulting box body 2 and an open surface of the upper surface of the heat insulating body 2 is covered with a shielding member 6. The shielding member 6 is constituted of both transparent side walls 7 and 7, a ceiling part 8 and a plurality of transparent glass doors 9 and the glass door 9 opens or closes the top surface of a display chamber 3 by sliding it holding a knob 13 with a hand. In this case, both end parts of a glass plate 16 of the glass door 9 in the direction of sliding it are processed to round so that the end faces thereof are bent projectingly outward. On the other hand, upper and lower end faces guided by a guide groove of the glass plate 16 are made almost flat. A coating of a transparent resin 19 is applied on both the end parts of the glass plate 16 having the bent end faces.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a showcase such as a frozen showcase provided with a glass door.

[0002]

2. Description of the Related Art Conventionally, this type of showcase is described, for example, in Japanese Patent Publication No. Hei 6-41827 (F25D11 / 00).
A sash made of metal is attached. And
This sash protects the edge of the glass plate and prevents the occurrence of edge cracking called beach chipping when an object collides with the edge of the glass plate.

[0003] In a cooling showcase such as a frozen showcase, a heat ray reflective film is sometimes attached to a glass plate so that the inside of the refrigerator is not heated by sunlight or the like. This will be described with reference to FIG. 8A and 8B are explanatory views of a conventional glass door. FIG. 8A is a perspective view, and FIG. 8B is a sectional view of a main part of the glass door. A heat ray reflective film 02 is attached to one surface of a glass plate 01 of a glass door. Again, in this case,
In this state, the end of the glass plate 01 may be damaged and fragments may be scattered, and it is necessary to protect the glass plate 01 with a sash (not shown).

[0004]

However, when the sash is attached, the original beauty of the glass is lost, and the appearance is deteriorated. In addition, it took time to attach the sash. Therefore, as illustrated in FIG.
The edge of the glass plate 01 is coated with a resin 03,
Protecting the edge of the glass plate 01 is being studied.
However, when the thickness of the resin 03 at the corner 01a at the end of the glass plate 01 is formed thinner due to the effect of surface tension or the like, and an object collides with the end of the glass plate 01, FIG.
As shown in (b), a crack may occur at the corner 01a of the glass plate 01.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has a glass door capable of preventing damage to an end of a glass plate and scattering of fragments without attaching a sash. The purpose is to provide.

[0006]

In order to achieve the above object, the glass door (9) of the showcase (1) of the present invention has a polygonal shape such that each corner of the end face is obtuse in the cross-sectional shape. It comprises a glass plate (16) having at least one end protruding outward in shape and a resin (19) coated on the protruding end.

Further, the end face of the glass plate coated with the resin may be curved so that the end face is outwardly convex in the cross-sectional shape.

[0008] Then, the showcase is a glass plate (2
2) and a film (2
3) a glass door (21) comprising:
In some cases, at least one end of the film is attached to the other surface of the glass plate.

Further, a cushioning material (25) may be interposed between the wrapping film and the end face of the glass plate.

[0010]

Next, a first embodiment of a showcase having a glass door according to the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a showcase according to the present invention. FIG. 2 is a top sectional view of FIG. FIG. 3 is an explanatory view for explaining a manufacturing process of the glass door.
(A) is a cross-sectional view of an end of a glass plate in a cut-out state, (b) is a cross-sectional view of an end of a round-processed glass plate, and (c) is a cross-sectional view of an end of a glass plate in a resin-coated state. FIG. FIG. 4 is an explanatory diagram of the coating operation.

The main body of the frozen showcase 1, which is a cooling showcase, is constituted by a heat insulating box 2 having an open upper surface, and a display room 3, which is a storage room, is formed therein.
The display room 3 is cooled by a refrigerator (not shown).
The open surface of the upper surface of the heat insulating box 2 is covered with a shielding member 6 to prevent outside air from entering the display room 3. The shielding member 6 is a transparent trapezoidal left and right side wall 7.
And a ceiling 8 connecting the upper ends of the side walls 7 to each other;
And a plurality of transparent glass doors 9 which are arranged obliquely on the front and rear surfaces.

The upper end of the rectangular glass door 9 is slidably guided in a guide groove 11 which is a guide formed on the ceiling 8 of the shielding member 6, while the lower end of the glass door 9 is slidable. Are slidably guided in a guide groove 12 which is a guide formed at the upper end of the heat insulating box 2. Further, a handle 13 (see FIG. 1) is provided at an end of the glass door 9, and the glass door 9 can be slid by grasping the handle 13 by hand. In this way,
Four glass doors 9, which are transparent plates, are arranged on the front and rear surfaces of the showcase 1, and each glass door 9 can slide in the left-right direction, and opens and closes the upper surface of the display room 3. Glass door 9
When the door is opened, the goods stored in the display room 3 can be taken out and stored, and when the glass door 9 is closed, invasion of outside air into the display room 3 is prevented.

The rectangular glass plate 16 of the glass door 9
Is cut out from a large flat glass plate, and each end is formed with a substantially right-angled corner as shown in FIG. 3A. Then, both ends of the glass plate 16 in the sliding direction are cut by a grinder or the like and rounded, and as shown in FIG. You.
On the other hand, upper and lower end faces guided by the guide grooves 11 and 12 of the glass plate 16 are formed substantially flat.

Next, as shown in FIG. 4, the end portion having the curved end surface is immersed in and adhered to a molten resin 19 stored in a container 18, and as shown in FIG. 3 (c). Then, both ends of the glass plate 16 are coated with a transparent resin 19. This coated resin 19
Is a silicon-based caulking material or an adhesive, for example, which protects the end of the glass plate 16.

As described above, in the first embodiment, no corner is formed at the coated end of the glass plate 16, and the thickness of the resin 19 is substantially uniform. Therefore, the end of the glass plate 16 can be protected with substantially uniform strength.

When the glass door 9 is closed, the resin 19 at the end of the glass door 9 is in contact with the side wall 7 of the shielding member 6 and the like. The resin 19 is more elastic than the glass plate 16 and can adhere to the side wall 7 and the like, so that the display room 3 can be more efficiently sealed from the outside air.

Further, the glass plate 16 is added to the molten resin 19.
Since the coating is performed by immersing the end of the sash, it can be performed more easily than the work of attaching a metal sash to a glass plate.

Since the resin 19 is transparent, the resin 1
9 is not noticeable, than when a sash is provided,
The appearance is good.

Next, a second embodiment of the showcase according to the present invention will be described with reference to FIG. FIG. 5 is an explanatory view for explaining a manufacturing process of the glass door according to the second embodiment. FIG. 5A is a cross-sectional view of an end portion of a glass plate in a cut-out state, and FIG. It is sectional drawing of the edge part of a plate, (c) is sectional drawing of the edge part of the glass plate in the state which coat | covered the resin.

When cutting out the glass plate 16, FIG.
In the second embodiment shown in (a), a substantially right-angled corner is formed at the end 16a of the glass plate 16 as in the first embodiment. In the second embodiment, both end portions 16a of the glass plate 16 in the sliding direction are polygons in which each corner is obtuse and the length of each side is substantially equal, as shown in FIG. It is cut into a shape by a grinder or the like, and the end face is formed to protrude outward in the cross-sectional shape.
This protruding end is similar to that of the first embodiment.
As shown in (c), it is coated with a transparent resin 19. In addition, the guide grooves 11 and 1 of the glass plate 16 are provided.
The upper and lower end faces guided by 2 are formed substantially flat like the first embodiment.

As described above, in the second embodiment, since the corner of the coated end of the glass plate 16 is obtuse, the thickness of the resin 19 is substantially uniform. Therefore, the end of the glass plate 16 can be protected with substantially uniform strength.

Next, the third and fourth embodiments of the showcase according to the present invention will be described with reference to FIGS.
This will be described with reference to FIG. 6A and 6B are explanatory views of the third and fourth embodiments, in which FIG. 6A is a perspective view of the glass door in the third embodiment as viewed from the back side, FIG. 6B is a cross-sectional view of a main part of FIG.
(C) is a principal part sectional view of the fourth mode. FIG.
(B) and (c) show the glass door with the front face down.

First, a third embodiment will be described. Third
In the embodiment, a glass door 21 is provided instead of the glass door 9 of the first embodiment, and the glass plate 22 of the glass door 21 has a rectangular shape like the glass plate 16 of the first embodiment. However, unlike the first embodiment, the end surfaces at the left and right end portions are substantially flat. Then, the transparent protective film 23
Is attached to the front surface of the glass plate 22, that is, the outer surface of the refrigerator, and the left and right ends of the protective film 23 wrap around the left and right ends of the glass plate 22, that is, the leading ends in the sliding direction. 22 is affixed to the back surface, that is, the end of the inner surface of the refrigerator. Although the protective film 23 is attached to substantially the entire front surface of the glass plate 22, the protective film 23 is guided by the guide grooves 11 and 12.
The area near the upper and lower ends is not attached. The handle 13 is attached from above the protective film 23 with an adhesive or the like.

Next, a fourth embodiment will be described with reference to FIG. In the fourth embodiment, a soft cushioning material 25 having elasticity such as hard polyurethane foam, polyethylene foam, sponge or silicone resin is adhered to left and right end surfaces of the glass plate 22, that is, a front end surface in the sliding direction, and then the protective film 23 is attached. In this way,
The cushioning material 25 is interposed between the end face of the glass plate 22 and the protective film 23.

As described above, in the third and fourth embodiments, the end portion of the glass plate 22 is
5, the edge of the glass plate 22 is less likely to be chipped. Further, even when the end portion of the glass plate 22 is chipped, the protection film 23 covers the end portion, so that the fragments of the glass plate 22 can be prevented from scattering.
Moreover, the protective film 23 is not provided on the entire back surface of the glass plate 22, and the background of the glass plate 22 is exposed at the center of the back surface of the glass plate 22. The transparency of the glass plate 22 is less likely to be impaired by the protective film 23 as compared with the case where the display film 3 is provided, the products in the display room 3 can be clearly seen, the display effect is improved, and the material cost is increased. Can be reduced.

When the protective film 23 is formed of a heat ray reflective film, the end of the glass plate 22 is protected from impact, and the display room 3 is prevented from being heated by sunlight. Can be.

Further, the protective film 23 is
Is adhered to substantially the entire surface of the glass plate 22, so that not only at the end of the glass plate 22 but also at the center thereof, it is possible to prevent the fragments from scattering.

When the glass door 21 is closed, the first
As in the embodiment described above, the cushioning material 25 at the end of the glass door 21 is in contact with the side wall 7 of the shielding member 6 and the like. And the cushioning material 25 has elasticity more than the glass plate 22, and can efficiently close the display room 3 from the outside air.

The embodiment of the present invention has been described above in detail.
The present invention is not limited to the above embodiment,
Within the gist of the present invention described in the claims,
Various changes can be made. Modification examples of the present invention are exemplified below. (1) In the embodiment, the showcase is a frozen showcase, but may be another showcase, for example, a refrigerated showcase or a showcase without a cooling function.

(2) The number and arrangement of the glass doors 9 and 21 can be changed as appropriate. In addition, a method of coating the glass plate 16 with the resin 19 can be appropriately selected. For example,
It is also possible to apply the resin 19 to the glass plate 16.
If the end of the glass plate 16 is immersed in a molten resin to perform coating, the coating operation can be performed with a small number of steps. Further, the resin 19 can be transparent or opaque. However, if it is made transparent, the glass plate 16
Since the resin 19 is not conspicuous, the appearance of the glass door 9 becomes good. (3) In the second embodiment, four corners are formed at the end of the glass plate 16, but if each corner is obtuse, the number can be changed as appropriate. . The thickness of the resin 19 becomes more uniform as the number of corners increases.

(4) The protective film 23 is a heat ray reflective film or another resin film, and is generally transparent or translucent so that the products in the display room 3 can be seen. Note that a part or all of the protective film 23 may be opaque. Further, in the embodiment, the protective film 23 is attached to substantially the entire surface of one surface of the glass plate 22 and the end of the other surface. However, the protective film 23 may be attached to both surfaces of the glass plate 22. is there. (5) In the embodiment, the resin 19 is the glass plate 16
Are provided at both ends, but it is also possible to provide them at only one end. Similarly, the protective film 23 goes around the back surface at both ends of the glass plate 22, but it is also possible to make only one end go around the back surface. Further, the resin 19 and the protective film 23 are not provided at the upper and lower ends of the glass plates 16 and 22, but may be provided.

(6) In the embodiment, the glass plate 1
Numeral 6 is rectangular, but other shapes such as parallelograms are possible. In addition, although the glass door 9 is a slide type, a hinge type open / close structure is also possible. (7) In the embodiment, the cushioning material 25 is
After adhering to the end face of No. 2, the protective film 23 is stuck, but the mounting structure of the cushioning material 25 can be appropriately selected. For example, it is also possible to attach the protective film 23 such that a gap is formed between the protective film 23 and the end face of the glass plate 22 and insert the cushioning material 25 into the gap.

[0033]

According to the invention of claim 1 of the present application, the end surface of the glass plate of the glass door is formed so as to protrude outward in a polygonal shape so that each corner in the cross-sectional shape is obtuse. Since this end face is coated with resin,
The thickness of the coated resin can be made uniform as compared with the case where the corner of the end face of the glass plate is a right angle. Therefore, the end of the glass plate can be protected with substantially uniform strength. In addition, since the resin is coated on the glass plate, the number of operations required is reduced as compared with the case where a sash is attached, and the manufacturing cost can be reduced.

According to the invention described in claim 2 of the present application, the end surface of the glass plate coated with the resin is formed so as to be curved convexly outward, the corner portion is not formed, and the coated glass plate is coated. The thickness of the resin can be made more uniform. Therefore, the edge of the glass plate can be protected with more uniform strength.

According to the third aspect of the present invention, since the film is stuck around the end surface of the glass plate, the end surface of the glass plate can be protected by the film and the end surface of the glass plate can be protected. Even when chipped, the fragments can be prevented from scattering. Moreover, this film does not protrude like a sash and has a good appearance.

Further, according to the fourth aspect of the present invention, since the cushioning member is provided between the end face of the glass plate and the film, the end face of the glass plate can be more reliably protected. Then, both the glass plate and the cushioning material are covered with the film, so that entry of dust and water into the gap between the glass plate and the cushioning material is reduced. As a result, adhesion of dust and water between the glass plate and the cushioning material is reduced, and it is possible to prevent the glass door from being unsightly.

[Brief description of the drawings]

FIG. 1 is a perspective view of a showcase according to the present invention.

FIG. 2 is a top sectional view of FIG. 1;

FIGS. 3A and 3B are explanatory views illustrating a manufacturing process of a glass door. FIG. 3A is a cross-sectional view of an edge of a glass plate in a cut-out state, and FIG. FIG. 3C is a cross-sectional view of an end of the glass plate in a state where the resin is coated.

FIG. 4 is an explanatory diagram of a coating operation.

FIG. 5 is an explanatory view for explaining a manufacturing process of the glass door according to the second embodiment, in which (a) is a cross-sectional view of an end portion of a glass plate in a cut-out state, and (b) is a polygonal shape. It is sectional drawing of the edge part of the shaved glass plate, (c) is sectional drawing of the edge part of the glass plate in the state which coated resin.

FIGS. 6A and 6B are explanatory views of the third and fourth embodiments, wherein FIG. 6A is a perspective view of the glass door according to the third embodiment as viewed from the back side, and FIG. Partial sectional view, (c) is a sectional view of a main part of the fourth embodiment.

FIG. 7 is an explanatory view of the glass door studied, and FIG.
Is a cross-sectional view of an end of the glass door, and (b) is a cross-sectional view of a state where an object or the like has been damaged by collision.

8A and 8B are explanatory views of a conventional glass door, wherein FIG. 8A is a perspective view and FIG. 8B is a sectional view of a main part of the glass door.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Showcase 9 Glass door 16 Glass plate 19 Resin 21 Glass door 22 Glass plate 23 Protective film 25 Buffer material

Claims (4)

[Claims] 1. A glass plate having at least one end protruding outward in a polygonal shape so that each end has an obtuse angle in a cross-sectional shape, and the end protruding from the end is coated. A showcase with a glass door with a resin. 2. A glass plate having at least one end portion whose end face is curved outwardly convex in a cross-sectional shape, and a resin coated on the end portion whose end face is curved. Showcase with glass door. 3. A showcase provided with a glass door comprising a glass plate and a film attached to one surface of the glass plate, wherein at least one end of the film turns to the other surface of the glass plate. A showcase equipped with a glass door, which is attached and stuck. 4. A showcase provided with a glass door according to claim 3, wherein a cushioning material is interposed between the wrapping film and an end surface of the glass plate.