US20160073792A1 - Double-walled acrylic door for refrigerated cabinets - Google Patents
Double-walled acrylic door for refrigerated cabinets Download PDFInfo
- Publication number
- US20160073792A1 US20160073792A1 US14/786,780 US201414786780A US2016073792A1 US 20160073792 A1 US20160073792 A1 US 20160073792A1 US 201414786780 A US201414786780 A US 201414786780A US 2016073792 A1 US2016073792 A1 US 2016073792A1
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- United States
- Prior art keywords
- door
- inserts
- transparent walls
- mounting
- transparent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
- A47F3/0434—Glass or transparent panels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
- A47F3/043—Doors, covers
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66333—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
- E06B3/66347—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes with integral grooves or rabbets for holding the panes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
Definitions
- the present invention relates to double-walled acrylic doors which are used in refrigerated cabinets of supermarkets. It relates above all to (daily) covering of so called multi-deck refrigerated cabinets.
- doors have been designed for use in refrigerated cabinets, both single and double-glazed. Doors are also known which are formed from two layers of plastic, wherein one layer is thermoformed in specific moulds. However, due to the thermoforming, these doors nearly always produce a disturbing visual distortion due to the inconsistent thickness of one or both plastic layers. In the past, multi-layer plastic doors have also been designed, but these have the disadvantage that they very quickly become warped due to, inter alia, temperature variations.
- the Japanese patent publication JP-2000-105065 discloses a refrigerated compartment with two doors, wherein one door comprises two transparent plastic walls. The walls are kept apart from one another at a predefined distance by means of a insert.
- German patent application DE 84 16 237 U1 discloses a deep freezer which is provided with a door with three parallel-positioned, transparent walls.
- the three walls are arranged slidably in relation to one another by means of inserts and are held together by an external profile to absorb expansion or contraction of the walls.
- the material of the inserts is not specified in detail, but it is nevertheless disclosed that they are permanently joined to the middle wall and are only in sliding contact with the outer walls.
- the present invention seeks to find an improved solution for the covering of multi-deck refrigerated cabinets.
- a door for a refrigerated cabinet, wherein the door is double-walled with two transparent walls.
- the two transparent walls are made from flat plastic panels, and the door comprises one or more inserts which are positioned on the circumference of the two transparent walls and hold the two transparent walls parallel to one another at a predefined distance from one another, wherein the two transparent walls are flat acrylic panels and the two transparent walls and the one or more inserts are joined to one another with an elastic joining material.
- the present invention relates to a method for producing a door for a refrigerated cabinet, wherein the door is double-walled with two transparent walls.
- the method comprises the provision of two flat plastic panels with predefined dimensions, provision of one or more inserts, positioning, screwing and bonding of one or more inserts on the circumference of the two flat plastic panels, wherein the two flat plastic panels form the two transparent walls of the door which stand parallel to one another at distance predefined by the one or more inserts.
- a door for a refrigerated cabinet can be produced simply and economically in this way.
- the present invention relates to a refrigerated cabinet for displaying sales items, comprising a frame structure and one or more doors positioned rotatably in the frame structure according to one of the present embodiments.
- FIG. 1 shows a three-dimensional view of the components of a door according to an embodiment according to the present invention
- FIG. 2 shows a three-dimensional view of a insert which is used in an embodiment according to the present invention
- FIG. 3 shows a three-dimensional view of a mounting insert which is used in an embodiment according to the present invention
- FIG. 4 shows a cross-section view of two walls and a insert for mounting a door according to a further embodiment of the present invention.
- FIG. 5 shows a cross-section view of two walls and a insert for mounting a door according to another further embodiment of the present invention.
- the present invention referred to below as a “door”, is especially suitable for the covering of multi-deck refrigerated cabinets (for example chests) of the type increasingly used in supermarkets for the sake of a higher energy saving.
- a refrigerated cabinet for displaying sales items or products which comprises a frame structure and one or more doors 1 positioned rotatably in the frame structure according to one of the embodiments described below.
- the door 1 will be produced in various lengths, widths and cavity dimensions, wherein, however, the design will be the same for all embodiments.
- the door 1 has a height of, for example, more than 150 cm, for example 187 cm.
- FIG. 1 shows a simple assembly drawing of a complete, not yet assembled door 1 .
- the door 1 is double-walled with two transparent walls 2 , which are made from flat plastic panels, with a thickness t.
- the door 1 comprises one or more inserts (or spacers) 3 , 4 which are positioned on the circumference of the two transparent walls 2 and hold the two transparent walls 2 parallel to one another at a predefined distance d from one another. This creates a cavity space which provides additional thermal insulation and rigidity of the door 1 .
- the double-walled door 1 is made from two flat, clearly transparent acrylic panels 2 which are joined to one another all round via acrylic inserts 3 , 4 , and in this way form a closed inner space 5 or box.
- the flat plastic panels 2 are acrylic panels with a thickness t of 2-5 mm, for example 3 mm or 4 mm.
- acrylic is understood to mean a transparent plastic which is also known as polymethyl methacrylate (PMMA) or other (trade) name, and can be manufactured and processed in different ways, for example to produce optically transparent flat panels.
- PMMA polymethyl methacrylate
- trade trade
- the one or more inserts 3 , 4 may therefore be transparent.
- the two transparent walls 2 and the one or more of inserts 3 4 are bonded with an optically transparent material.
- a double-walled acrylic door 1 is approximately half as light as a comparable double-walled glass door.
- the safety of acrylic compared with glass is also a major advantage.
- the inserts 3 , 4 are made from a material other than acrylic, such as a composite material, a carbon-fibre-based material, an aluminium-based material, or a combination thereof. These materials are also lightweight, as a result of which the total weight of the door 1 remains manipulable.
- the (horizontal) inserts 4 are made from aluminium, and the (vertical) inserts 3 from carbon fibre (carbon), i.e. the inserts 3 , 4 are made from a combination of carbon fibre and aluminium.
- the inserts 3 , 4 can be joined to one another at the corners with joining techniques known per se, such as e.g. screwing.
- an elastic joining material such as flexible glue or flexible double-sided tape (for example acrylic tape).
- This last material is, for example, sufficiently viscous to be able to be supplied and processed in a roll (as a type of tape).
- Application of this material to the front and rear side of the inserts 3 , 4 or onto the transparent walls 2 is then sufficient to form the complete door 1 by applying pressure to it.
- An additional advantage (but of primary importance) is that an acrylic material of this type also allows some further movement (in the region of 1-2 mm) following assembly of the door 1 , which prevents the door 1 from warping with variations in temperature.
- a ventilation hole is disposed in the door 1 , preferably at a place not visible to the public, such as on the edges of the transparent walls 2 , or in one of the inserts 3 , 4 . This enables some movement of the transparent walls in relation to one another (the door can breathe) and, if the transparent walls 2 are made from acrylic, this ensures a sufficient moisture-regulating effect to limit or even prevent misting up of the transparent walls on the inside of the door 1 .
- the door 1 is designed in such a way that an optimally transparent door 1 is produced which causes a minimal visual distortion of the products behind the door 1 . This design also ensures that a rigid, easily produced product is created. In order to avoid scratches on the surface insofar as possible, the door 1 is provided with an anti-scratch coating on one or both sides (for example on the outside of one of the transparent walls 2 ).
- the flat plastic panels are coated with an anti-reflective layer.
- the door 1 will then be less reflective (for example on the front side). In a shop environment, the result will be a better view through to the products in a refrigerated cabinet with doors 1 according to the present invention.
- one or both transparent walls 2 are coated with a heat-reflecting layer (for example an infrared-radiation-reflecting layer), as a result of which the insulation of the door 1 as a whole can be improved. An even greater energy saving can hereby be achieved in the use of refrigerated cabinets.
- the heat-reflecting coating is preferably applied to the inside of the door 1 , i.e. on the sides facing one another of the two transparent walls 2 .
- the space 5 between the two flat panels 2 is filled with dry atmospheric air.
- the one or more inserts 3 , 4 are profiles which can be simply and economically produced and made to measure (for example with extrusion), in all kinds of materials.
- One or more inserts 3 , 4 are mounting inserts 4 which are provided with a mounting recess 43 for mounting a hinge. In the embodiment shown, these are the inserts on the upper and lower edge of the door 1 .
- FIG. 2 shows a simple diagram of an (extruded) insert 3 for the side edges of the embodiment shown in FIG. 1 .
- the thickness d of a main body 31 of the insert 3 also determines the distance between the two flat acrylic panels 2 of the door 1 .
- the insert 3 comprises an edge 32 which serves as a finish around the door 1 .
- the edge 32 is rounded and projects a defined distance from the main body, for example corresponding to the thickness t of the transparent walls 2 .
- FIG. 3 shows a simple diagram of the mounting insert 4 , wherein, in this embodiment, an integrated adaptation (mounting recess 43 ) is made for mounting an uppermost or lowermost hinge for the door 1 .
- the inserts 3 , 4 also determine the distance d between the two flat acrylic panels 2 from which the door 1 is constructed. This distance d, the so-called cavity dimension, is dependent on the specific application, and is, for example, between 10 mm and 20 mm.
- the mounting inserts 4 are injection moulding pieces, which can be manufactured simply and economically in large quantities.
- the mounting insert 4 is provided with a main body 41 , which, just as the main body 31 of the insert 3 , has a thickness d, and with an edge 42 which, for example, just as the edge 32 of the insert 3 , is rounded and projects outside the main body 41 .
- the mounting insert 4 is provided with a projection 44 which, in the assembled form of the door 1 , adjoins the insert 3 .
- the inserts 3 , 4 are formed in a T-profile.
- the mounting inserts 4 are two acrylic injection moulding pieces with an integrated fixing 43 for the hinges associated with a door 1 . These two injection moulding pieces 4 form the upper and lower side of the door 1 and are made in one operation. The two injection moulding pieces 4 are bonded to the upper and lower side of the door between the aforementioned flat acrylic panels 2 . The length of the injection moulding pieces 4 is dependent on the width of the required door 1 .
- Two acrylic extruded profiles, as inserts 3 form the two side edges of the door 1 .
- the profile 3 is bonded between the aforementioned flat acrylic panels 2 and adjoins the aforementioned acrylic injection moulding pieces 4 on the upper and lower side.
- the length of the side profiles 3 is dependent on the height of the required door 1 .
- the door further comprises a handle (not shown).
- This handle can be mounted on one of the transparent walls 2 or on one of the inserts 3 on the sides of the door 1 .
- the present invention also relates to a method for producing a door 1 for a refrigerated cabinet, wherein the door 1 is double-walled with two transparent walls 2 .
- Two flat plastic panels are produced with predefined dimensions, just as one or more inserts 3 , 4 .
- the one or more inserts 3 , 4 are positioned and bonded on the circumference of the two flat plastic panels with an elastic joining material.
- the two flat plastic panels then form the two transparent walls 2 of the door 1 which stand parallel to one another at a distance d predefined by the one or more inserts 3 , 4 .
- the one or more inserts 3 , 4 are mounting inserts 4 which are provided with a mounting recess 43 , and the method further comprises the mounting of a hinge or hinge part in the mounting recess 43 .
- the present invention also relates to a method for producing a door 1 for a refrigerated cabinet, wherein the door 1 is double-walled with two transparent walls 2 .
- Two flat plastic panels, provided on one side with an anti-scratch coating, are produced with predefined dimensions, just as one or more inserts 3 , 4 .
- the T-shaped inserts 3 , 4 are positioned and screwed to one another to form a rigid frame.
- the two flat plastic panels are fitted onto the frame by means of a flexible joining technique, glue or tape.
- the two flat plastic panels then form the two transparent walls 2 of the door 1 which stand parallel to one another at a distance d predefined by the one or more inserts 3 , 4 .
- the mounting inserts 4 have facilities for mounting adapters for externally assembled hinges.
- the method furthermore comprises the mounting of the hinge adapters.
- FIG. 4 shows, in a cross-section view, how the joint between the two transparent walls 2 and the inserts 3 , 4 can be implemented.
- the insert 3 , 4 is provided on two sides with two projecting legs 33 , 34 , with a groove 36 lying between them, wherein one or both of the projecting legs 33 , 34 are provided with an edge 35 .
- Each of the two transparent walls 2 is provided with a groove in each case interworking with the edge 35 .
- the two projecting legs 33 , 34 enclose the end of one of the two transparent walls 2 following assembly. As a result, the glue joint present between the walls 2 and the inserts 3 , 4 is subjected to less stress.
- the inserts 3 , 4 are designed in such a way that a self-locking joint is created in combination with the groove 12 in the flat panels 2 .
- the inserts 3 , 4 are pressed with force over the outer edges of the two flat panels 2 and snap firmly into place through the groove 12 in the inserts 3 , 4 (snap-on profile).
- the inserts 3 or vertical profiles are extruded and the mounting inserts 4 (or uppermost and lowermost insert 4 (see the corresponding design of the embodiment shown in FIG. 1 ) are injection-moulded.
- the end of the flat panels 2 is bonded by means of a flexible glue into the grooves 36 of the insert 3 , 4 .
- FIG. 5 shows a variant of the embodiment from FIG. 4 for the joint between the inserts 3 , 4 and the walls 2 .
- the door 1 comprises inserts 3 , 4 which enclose the transparent walls 2 on the edges.
- the inserts are in turn provided with two projecting legs 33 , 34 , with a groove 36 located between them.
- each insert 3 , 4 has a small recess 37 for each wall 2 on the end of the groove 36 into which the transparent walls 2 slide.
- the ends of the transparent walls 2 are treated with a liquid which causes the material of the transparent walls to expand.
- the wall 2 is then slid into the groove 36 of the insert 3 , 4 , after which the liquid ensures that the end of the wall 2 expands in the area of the recess 37 in the insert 3 , 4 .
- the inserts 3 vertical profiles
- the mounting inserts 4 upper and lower inserts
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Refrigerator Housings (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A door for a refrigerated cabinet is double-walled with two transparent walls (2). The two transparent walls (2) are produced from flat plastic panels. The door (1) includes one or more inserts (3, 4) which are positioned on the circumference of the two transparent walls (2) and hold the two transparent walls (2) parallel to one another at a predefined distance (d) from one another. The door (1) is designed in such a way that an optimum view without distortion is provided of the products behind the door (1). The door (1) is insulating and condensation-free.
Description
- The present invention relates to double-walled acrylic doors which are used in refrigerated cabinets of supermarkets. It relates above all to (daily) covering of so called multi-deck refrigerated cabinets.
- Various doors have been designed for use in refrigerated cabinets, both single and double-glazed. Doors are also known which are formed from two layers of plastic, wherein one layer is thermoformed in specific moulds. However, due to the thermoforming, these doors nearly always produce a disturbing visual distortion due to the inconsistent thickness of one or both plastic layers. In the past, multi-layer plastic doors have also been designed, but these have the disadvantage that they very quickly become warped due to, inter alia, temperature variations.
- The Japanese patent publication JP-2000-105065 discloses a refrigerated compartment with two doors, wherein one door comprises two transparent plastic walls. The walls are kept apart from one another at a predefined distance by means of a insert.
- German patent application DE 84 16 237 U1 discloses a deep freezer which is provided with a door with three parallel-positioned, transparent walls. The three walls are arranged slidably in relation to one another by means of inserts and are held together by an external profile to absorb expansion or contraction of the walls. The material of the inserts is not specified in detail, but it is nevertheless disclosed that they are permanently joined to the middle wall and are only in sliding contact with the outer walls.
- The present invention seeks to find an improved solution for the covering of multi-deck refrigerated cabinets.
- According to the present invention, a door is provided for a refrigerated cabinet, wherein the door is double-walled with two transparent walls. The two transparent walls are made from flat plastic panels, and the door comprises one or more inserts which are positioned on the circumference of the two transparent walls and hold the two transparent walls parallel to one another at a predefined distance from one another, wherein the two transparent walls are flat acrylic panels and the two transparent walls and the one or more inserts are joined to one another with an elastic joining material. In this way, a simple and economical design and assembly of the door is possible, wherein a good insulation value is also obtained and a minimal visual distortion occurs. Distortion due to unequal temperatures on either side of the door during use is effectively prevented by the elastic joining material. Further embodiments are described in the attached claims, and in the description of the figures below.
- In a further aspect, the present invention relates to a method for producing a door for a refrigerated cabinet, wherein the door is double-walled with two transparent walls. The method comprises the provision of two flat plastic panels with predefined dimensions, provision of one or more inserts, positioning, screwing and bonding of one or more inserts on the circumference of the two flat plastic panels, wherein the two flat plastic panels form the two transparent walls of the door which stand parallel to one another at distance predefined by the one or more inserts. A door for a refrigerated cabinet can be produced simply and economically in this way.
- In another further aspect, the present invention relates to a refrigerated cabinet for displaying sales items, comprising a frame structure and one or more doors positioned rotatably in the frame structure according to one of the present embodiments.
- The present invention will now be discussed in greater detail with reference to the attached figures, in which:
-
FIG. 1 shows a three-dimensional view of the components of a door according to an embodiment according to the present invention; -
FIG. 2 shows a three-dimensional view of a insert which is used in an embodiment according to the present invention; -
FIG. 3 shows a three-dimensional view of a mounting insert which is used in an embodiment according to the present invention; -
FIG. 4 shows a cross-section view of two walls and a insert for mounting a door according to a further embodiment of the present invention; and -
FIG. 5 shows a cross-section view of two walls and a insert for mounting a door according to another further embodiment of the present invention. - The present invention, referred to below as a “door”, is especially suitable for the covering of multi-deck refrigerated cabinets (for example chests) of the type increasingly used in supermarkets for the sake of a higher energy saving. One aspect of the present invention is a refrigerated cabinet for displaying sales items or products, which comprises a frame structure and one or
more doors 1 positioned rotatably in the frame structure according to one of the embodiments described below. - The
door 1 will be produced in various lengths, widths and cavity dimensions, wherein, however, the design will be the same for all embodiments. Thedoor 1 has a height of, for example, more than 150 cm, for example 187 cm. - The door will consist of a number of components as described below, and shown in the attached figures.
FIG. 1 shows a simple assembly drawing of a complete, not yet assembleddoor 1. Thedoor 1 is double-walled with twotransparent walls 2, which are made from flat plastic panels, with a thickness t. Thedoor 1 comprises one or more inserts (or spacers) 3, 4 which are positioned on the circumference of the twotransparent walls 2 and hold the twotransparent walls 2 parallel to one another at a predefined distance d from one another. This creates a cavity space which provides additional thermal insulation and rigidity of thedoor 1. - In one embodiment, the double-walled
door 1 is made from two flat, clearly transparentacrylic panels 2 which are joined to one another all round viaacrylic inserts plastic panels 2 are acrylic panels with a thickness t of 2-5 mm, for example 3 mm or 4 mm. - In this application, acrylic is understood to mean a transparent plastic which is also known as polymethyl methacrylate (PMMA) or other (trade) name, and can be manufactured and processed in different ways, for example to produce optically transparent flat panels.
- The one or
more inserts transparent walls 2 and the one or more ofinserts 3 4 are bonded with an optically transparent material. - Compared with single-glazed doors, this design has a much better insulation value and much less of a problem with condensation. Condensation can be a major problem, particularly with high temperature and humidity. Condensation on the doors is unacceptable because customers can then no longer clearly see the displayed products.
- The advantage of the products described here in comparison with a double-glazed door lies primarily in the weight and manipulability. A double-walled
acrylic door 1 is approximately half as light as a comparable double-walled glass door. The safety of acrylic compared with glass is also a major advantage. - In a further embodiment, the
inserts door 1 remains manipulable. In one example, the (horizontal)inserts 4 are made from aluminium, and the (vertical)inserts 3 from carbon fibre (carbon), i.e. theinserts inserts - For the joint between the
transparent walls 2 and theinserts inserts transparent walls 2 is then sufficient to form thecomplete door 1 by applying pressure to it. An additional advantage (but of primary importance) is that an acrylic material of this type also allows some further movement (in the region of 1-2 mm) following assembly of thedoor 1, which prevents thedoor 1 from warping with variations in temperature. During operational use of the door, a substantial temperature difference exists between the refrigerated area enclosed by the door 1 (+2° C.) and the shop area (+25° C.). Since theinserts transparent walls 2 can still move independently from one another to some extent on the front and rear side (also due to the use of acrylic tape material), as a result of which thedoor 1 always remains straight. - A ventilation hole is disposed in the
door 1, preferably at a place not visible to the public, such as on the edges of thetransparent walls 2, or in one of theinserts transparent walls 2 are made from acrylic, this ensures a sufficient moisture-regulating effect to limit or even prevent misting up of the transparent walls on the inside of thedoor 1. - The
door 1 is designed in such a way that an optimallytransparent door 1 is produced which causes a minimal visual distortion of the products behind thedoor 1. This design also ensures that a rigid, easily produced product is created. In order to avoid scratches on the surface insofar as possible, thedoor 1 is provided with an anti-scratch coating on one or both sides (for example on the outside of one of the transparent walls 2). - In a further embodiment, the flat plastic panels are coated with an anti-reflective layer. The
door 1 will then be less reflective (for example on the front side). In a shop environment, the result will be a better view through to the products in a refrigerated cabinet withdoors 1 according to the present invention. In another further embodiment, one or bothtransparent walls 2 are coated with a heat-reflecting layer (for example an infrared-radiation-reflecting layer), as a result of which the insulation of thedoor 1 as a whole can be improved. An even greater energy saving can hereby be achieved in the use of refrigerated cabinets. The heat-reflecting coating is preferably applied to the inside of thedoor 1, i.e. on the sides facing one another of the twotransparent walls 2. - In one embodiment, the space 5 between the two
flat panels 2, the so-called cavity, is filled with dry atmospheric air. In one embodiment, the one ormore inserts more inserts inserts 4 which are provided with a mountingrecess 43 for mounting a hinge. In the embodiment shown, these are the inserts on the upper and lower edge of thedoor 1. -
FIG. 2 shows a simple diagram of an (extruded)insert 3 for the side edges of the embodiment shown inFIG. 1 . The thickness d of amain body 31 of theinsert 3 also determines the distance between the two flatacrylic panels 2 of thedoor 1. In addition, theinsert 3 comprises anedge 32 which serves as a finish around thedoor 1. In the example shown, theedge 32 is rounded and projects a defined distance from the main body, for example corresponding to the thickness t of thetransparent walls 2. -
FIG. 3 shows a simple diagram of the mountinginsert 4, wherein, in this embodiment, an integrated adaptation (mounting recess 43) is made for mounting an uppermost or lowermost hinge for thedoor 1. Theinserts acrylic panels 2 from which thedoor 1 is constructed. This distance d, the so-called cavity dimension, is dependent on the specific application, and is, for example, between 10 mm and 20 mm. In one embodiment, the mountinginserts 4 are injection moulding pieces, which can be manufactured simply and economically in large quantities. - The mounting
insert 4 is provided with amain body 41, which, just as themain body 31 of theinsert 3, has a thickness d, and with anedge 42 which, for example, just as theedge 32 of theinsert 3, is rounded and projects outside themain body 41. In addition, in this embodiment, the mountinginsert 4 is provided with aprojection 44 which, in the assembled form of thedoor 1, adjoins theinsert 3. As an alternative, theinserts - In the embodiment shown in
FIG. 1 , the mountinginserts 4 are two acrylic injection moulding pieces with an integrated fixing 43 for the hinges associated with adoor 1. These twoinjection moulding pieces 4 form the upper and lower side of thedoor 1 and are made in one operation. The twoinjection moulding pieces 4 are bonded to the upper and lower side of the door between the aforementioned flatacrylic panels 2. The length of theinjection moulding pieces 4 is dependent on the width of the requireddoor 1. - Two acrylic extruded profiles, as
inserts 3, form the two side edges of thedoor 1. Theprofile 3 is bonded between the aforementioned flatacrylic panels 2 and adjoins the aforementioned acrylicinjection moulding pieces 4 on the upper and lower side. The length of the side profiles 3 is dependent on the height of the requireddoor 1. - In a further embodiment, the door further comprises a handle (not shown). This handle can be mounted on one of the
transparent walls 2 or on one of theinserts 3 on the sides of thedoor 1. - In a further aspect, the present invention also relates to a method for producing a
door 1 for a refrigerated cabinet, wherein thedoor 1 is double-walled with twotransparent walls 2. Two flat plastic panels are produced with predefined dimensions, just as one ormore inserts more inserts transparent walls 2 of thedoor 1 which stand parallel to one another at a distance d predefined by the one ormore inserts more inserts inserts 4 which are provided with a mountingrecess 43, and the method further comprises the mounting of a hinge or hinge part in the mountingrecess 43. - In a further embodiment, the present invention also relates to a method for producing a
door 1 for a refrigerated cabinet, wherein thedoor 1 is double-walled with twotransparent walls 2. Two flat plastic panels, provided on one side with an anti-scratch coating, are produced with predefined dimensions, just as one ormore inserts inserts transparent walls 2 of thedoor 1 which stand parallel to one another at a distance d predefined by the one ormore inserts inserts 4 have facilities for mounting adapters for externally assembled hinges. The method furthermore comprises the mounting of the hinge adapters. -
FIG. 4 shows, in a cross-section view, how the joint between the twotransparent walls 2 and theinserts insert legs groove 36 lying between them, wherein one or both of the projectinglegs edge 35. Each of the twotransparent walls 2 is provided with a groove in each case interworking with theedge 35. The two projectinglegs transparent walls 2 following assembly. As a result, the glue joint present between thewalls 2 and theinserts inserts groove 12 in theflat panels 2. For assembly of thedoor 1, theinserts flat panels 2 and snap firmly into place through thegroove 12 in theinserts 3, 4 (snap-on profile). Theinserts 3 or vertical profiles are extruded and the mounting inserts 4 (or uppermost and lowermost insert 4 (see the corresponding design of the embodiment shown inFIG. 1 ) are injection-moulded. In order to ensure that a completelyairtight door 1 is produced, the end of theflat panels 2 is bonded by means of a flexible glue into thegrooves 36 of theinsert -
FIG. 5 shows a variant of the embodiment fromFIG. 4 for the joint between theinserts walls 2. In this embodiment, thedoor 1 comprisesinserts transparent walls 2 on the edges. For this purpose, the inserts are in turn provided with two projectinglegs groove 36 located between them. In this embodiment, eachinsert small recess 37 for eachwall 2 on the end of thegroove 36 into which thetransparent walls 2 slide. The ends of thetransparent walls 2 are treated with a liquid which causes the material of the transparent walls to expand. Thewall 2 is then slid into thegroove 36 of theinsert wall 2 expands in the area of therecess 37 in theinsert - The present invention has been described above on the basis of a number of embodiments, with reference to the drawings. It will be clear that (functional) alternatives exist for various elements and that even more example embodiments are possible. All of these variants and modifications are deemed to fall within the scope of protection defined by the attached claims.
Claims (19)
1-16. (canceled)
17. A door for a refrigerated cabinet, wherein the door is double-walled with two transparent walls, wherein
the two transparent walls are produced from flat plastic panels,
and the door comprises one or more inserts which are positioned on the circumference of the two transparent walls and hold the two transparent walls parallel to one another at a predefined distance from one another,
and wherein the two transparent walls are flat acrylic panels and the two transparent walls and the one or more inserts are joined to one another with an elastic joining material.
18. The door of claim 17 , wherein the one or more inserts are transparent.
19. The door of claim 17 , wherein the inserts are made from a composite material, a carbon-fibre-based material, an aluminum-based material, or a combination thereof.
20. The door of claim 18 , wherein the two transparent walls are flat acrylic panels, and the two transparent walls and the one or more inserts are bonded with an optically transparent material.
21. The door of claim 17 , wherein the one or more inserts are extruded profiles.
22. The door of claim 17 , wherein the one or more inserts are mounting inserts which are provided with a mounting recess for assembly of a hinge.
23. The door of claim 17 , wherein one or more inserts are mounting inserts which are provided with mounting facilities for hinge adapters.
24. The door of claim 22 , wherein the mounting inserts are injection moulding pieces.
25. The door of claim 17 , wherein the transparent walls are acrylic panels with a thickness of 2-5 mm, for example 3 mm or 4 mm.
26. The door of claim 17 , wherein one or both transparent walls are coated with an anti-scratch layer.
27. The door of claim 17 , wherein one or both transparent walls are coated with an anti-reflective layer.
28. The door of claim 17 , wherein one or both transparent walls are coated with a heat-reflecting layer.
29. A method for producing a door for a refrigerated cabinet, wherein the door is double-walled with two transparent walls, comprising:
providing two flat plastic panels with predefined dimensions, providing one or more inserts,
and bonding the one or more inserts on the circumference of the two flat plastic panels with an elastic joining material,
wherein the two flat plastic panels form the two transparent walls of the door which stand parallel to one another at a distance predefined by the one or more inserts.
30. The method of claim 29 , wherein the one or more inserts are mounting inserts which are provided with a mounting recess and the method further comprises:
mounting a hinge or hinge part in the mounting recess.
31. The method of claim 29 , wherein the one or more inserts are mounting inserts which are provided with mounting facilities for hinge adapters, and the method further comprises:
mounting a hinge adapter.
32. A refrigerated cabinet for displaying sales items, comprising a frame structure and one or more doors according to claim 17 rotatably positioned in the frame structure.
33. The door of claim 19 , wherein the two transparent walls are flat acrylic panels, and the two transparent walls and the one or more inserts are bonded with an optically transparent material.
34. The door of claim 23 , wherein the mounting inserts are injection moulding pieces.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2010719A NL2010719C2 (en) | 2013-04-26 | 2013-04-26 | DOUBLE-WALL ACRYLIC DOOR FOR COOLING FURNITURE. |
NL2010719 | 2013-04-26 | ||
NL2012194 | 2014-02-04 | ||
NL2012194 | 2014-02-04 | ||
PCT/NL2014/050244 WO2014175727A1 (en) | 2013-04-26 | 2014-04-17 | Double-walled acrylic door for refrigerated cabinets. |
Publications (1)
Publication Number | Publication Date |
---|---|
US20160073792A1 true US20160073792A1 (en) | 2016-03-17 |
Family
ID=50639885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/786,780 Abandoned US20160073792A1 (en) | 2013-04-26 | 2014-04-17 | Double-walled acrylic door for refrigerated cabinets |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160073792A1 (en) |
EP (1) | EP2988630A1 (en) |
MX (1) | MX2015014963A (en) |
RU (1) | RU2015150391A (en) |
WO (1) | WO2014175727A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107388710A (en) * | 2017-08-14 | 2017-11-24 | Tcl家用电器(合肥)有限公司 | refrigerator door and refrigerator |
US20190113269A1 (en) * | 2016-06-01 | 2019-04-18 | Bsh Hausgeraete Gmbh | Refrigeration appliance and door for refrigeration appliance |
US10492630B2 (en) | 2018-02-26 | 2019-12-03 | Anthony, Inc. | Plastic panel door |
DE102018126682A1 (en) * | 2018-07-12 | 2020-01-16 | Liebherr-Hausgeräte Lienz Gmbh | Refrigerator and / or freezer |
US20210355747A1 (en) * | 2020-05-14 | 2021-11-18 | Prusak's Precision Construction, Inc. | Hollow acrylic solid surface seamless door |
US20220142379A1 (en) * | 2020-11-12 | 2022-05-12 | Hussmann Corporation | Transparent door |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20163425A1 (en) * | 2016-05-13 | 2017-11-13 | Valentini Glass & Components S R L | DOOR FOR A REFRIGERATOR EXHIBITOR, FOR EXAMPLE FOR SUPERMARKETS, AND METHOD OF REALIZATION |
AT17148U1 (en) * | 2018-09-03 | 2021-07-15 | Valentini Glass & Components | Insulating glazing for making walls or doors for refrigerated showcases |
Citations (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3633790A (en) * | 1969-10-14 | 1972-01-11 | Josef Voss | Aquarium frame |
US3919023A (en) * | 1973-09-24 | 1975-11-11 | Ppg Industries Inc | Multiple glazed unit |
US4660903A (en) * | 1984-06-29 | 1987-04-28 | Sanden Corporation | Temperature controlled display case |
US4753043A (en) * | 1986-12-11 | 1988-06-28 | Ardco Inc. | Pivotally mounted insulated glass door assembly with self-contained structural support frame |
US5107655A (en) * | 1989-01-20 | 1992-04-28 | Termofrost Ab | Profiled section for door-leaves |
US5391411A (en) * | 1992-02-13 | 1995-02-21 | Pilkington Plc | Glazing assemblies and method |
US5544454A (en) * | 1990-09-20 | 1996-08-13 | Anthony's Manufacturing Company, Inc. | Foam rail door |
US5683764A (en) * | 1994-07-26 | 1997-11-04 | Rieter Automotive (International) Ag | Insulating glass |
US5687509A (en) * | 1992-01-28 | 1997-11-18 | Frigidyne North America, Inc. | Refrigerator door assembly and method |
US5784853A (en) * | 1989-08-02 | 1998-07-28 | Southwall Technologies Inc. | Thermally insulating multipane glazing structure |
US5910083A (en) * | 1990-09-20 | 1999-06-08 | New Anthony, Inc. | Integral spacer for door rail |
US6637093B2 (en) * | 1998-03-03 | 2003-10-28 | Anthony, Inc. | Method of assembling a display case door |
US20040222724A1 (en) * | 2001-07-19 | 2004-11-11 | Afg Industries, Inc. | Energy-free refrigeration door and method for making the same |
US20090072679A1 (en) * | 2006-03-16 | 2009-03-19 | Carrier Corporation | Glass door for refrigerated merchandiser |
US20100068398A1 (en) * | 2002-05-02 | 2010-03-18 | Hussmann Corporation | Merchandisers having anti-fog coatings and methods for making the same |
US20110100044A1 (en) * | 2009-11-05 | 2011-05-05 | Hussmann Corporation | Door for a refrigerated merchandiser |
US20110165399A1 (en) * | 2004-09-20 | 2011-07-07 | Agc Flat Glass North America, Inc. | Anti-fog refrigeration door and method of making the same |
US8162414B2 (en) * | 2007-07-20 | 2012-04-24 | Albert Weiss | Door for structure for presenting and displaying goods |
US20120285089A1 (en) * | 2011-05-10 | 2012-11-15 | Anthony, Inc. | Refrigerated display case door with transparent lcd panel |
US20140218934A1 (en) * | 2011-04-11 | 2014-08-07 | Saint-Gobain Glass France | Illuminated double glazing |
US9756965B2 (en) * | 2012-07-10 | 2017-09-12 | Remis Gesellschaft Fuer Entwicklung Und Vertrieb Technischer Elemente Mbh | Refrigerator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS477197Y1 (en) * | 1970-04-03 | 1972-03-15 | ||
JPS6018121Y2 (en) * | 1980-09-26 | 1985-06-01 | サンデン株式会社 | Inner opening/closing section of showcase |
DE8416237U1 (en) | 1984-05-29 | 1986-02-13 | Schmitt, Carl, 6957 Elztal | Transparent cover plate for open top freezers |
DE3903117A1 (en) * | 1989-02-02 | 1990-08-09 | Otto Wolff Kunststoffvertrieb | Retaining profile for a panel |
JP2000088443A (en) * | 1998-09-17 | 2000-03-31 | Hoshizaki Electric Co Ltd | Heat insulation door for storage cabinet |
JP2000105065A (en) | 1998-09-30 | 2000-04-11 | Sanyo Electric Co Ltd | Showcase |
-
2014
- 2014-04-17 US US14/786,780 patent/US20160073792A1/en not_active Abandoned
- 2014-04-17 WO PCT/NL2014/050244 patent/WO2014175727A1/en active Application Filing
- 2014-04-17 MX MX2015014963A patent/MX2015014963A/en unknown
- 2014-04-17 EP EP14721554.5A patent/EP2988630A1/en not_active Withdrawn
- 2014-04-17 RU RU2015150391A patent/RU2015150391A/en not_active Application Discontinuation
Patent Citations (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3633790A (en) * | 1969-10-14 | 1972-01-11 | Josef Voss | Aquarium frame |
US3919023A (en) * | 1973-09-24 | 1975-11-11 | Ppg Industries Inc | Multiple glazed unit |
US4660903A (en) * | 1984-06-29 | 1987-04-28 | Sanden Corporation | Temperature controlled display case |
US4753043A (en) * | 1986-12-11 | 1988-06-28 | Ardco Inc. | Pivotally mounted insulated glass door assembly with self-contained structural support frame |
US5107655A (en) * | 1989-01-20 | 1992-04-28 | Termofrost Ab | Profiled section for door-leaves |
US5784853A (en) * | 1989-08-02 | 1998-07-28 | Southwall Technologies Inc. | Thermally insulating multipane glazing structure |
US5544454A (en) * | 1990-09-20 | 1996-08-13 | Anthony's Manufacturing Company, Inc. | Foam rail door |
US5910083A (en) * | 1990-09-20 | 1999-06-08 | New Anthony, Inc. | Integral spacer for door rail |
US5687509A (en) * | 1992-01-28 | 1997-11-18 | Frigidyne North America, Inc. | Refrigerator door assembly and method |
US5391411A (en) * | 1992-02-13 | 1995-02-21 | Pilkington Plc | Glazing assemblies and method |
US5683764A (en) * | 1994-07-26 | 1997-11-04 | Rieter Automotive (International) Ag | Insulating glass |
US6637093B2 (en) * | 1998-03-03 | 2003-10-28 | Anthony, Inc. | Method of assembling a display case door |
US20040222724A1 (en) * | 2001-07-19 | 2004-11-11 | Afg Industries, Inc. | Energy-free refrigeration door and method for making the same |
US20110089802A1 (en) * | 2001-07-19 | 2011-04-21 | Agc Flat Glass North America, Inc. | Energy-free refrigeration door and method for making the same |
US20100068398A1 (en) * | 2002-05-02 | 2010-03-18 | Hussmann Corporation | Merchandisers having anti-fog coatings and methods for making the same |
US20110165399A1 (en) * | 2004-09-20 | 2011-07-07 | Agc Flat Glass North America, Inc. | Anti-fog refrigeration door and method of making the same |
US20090072679A1 (en) * | 2006-03-16 | 2009-03-19 | Carrier Corporation | Glass door for refrigerated merchandiser |
US8162414B2 (en) * | 2007-07-20 | 2012-04-24 | Albert Weiss | Door for structure for presenting and displaying goods |
US20110100044A1 (en) * | 2009-11-05 | 2011-05-05 | Hussmann Corporation | Door for a refrigerated merchandiser |
US20140218934A1 (en) * | 2011-04-11 | 2014-08-07 | Saint-Gobain Glass France | Illuminated double glazing |
US20120285089A1 (en) * | 2011-05-10 | 2012-11-15 | Anthony, Inc. | Refrigerated display case door with transparent lcd panel |
US9756965B2 (en) * | 2012-07-10 | 2017-09-12 | Remis Gesellschaft Fuer Entwicklung Und Vertrieb Technischer Elemente Mbh | Refrigerator |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190113269A1 (en) * | 2016-06-01 | 2019-04-18 | Bsh Hausgeraete Gmbh | Refrigeration appliance and door for refrigeration appliance |
US10663216B2 (en) * | 2016-06-01 | 2020-05-26 | Bsh Hausgeraete Gmbh | Refrigeration appliance and door for refrigeration appliance |
CN107388710A (en) * | 2017-08-14 | 2017-11-24 | Tcl家用电器(合肥)有限公司 | refrigerator door and refrigerator |
US10492630B2 (en) | 2018-02-26 | 2019-12-03 | Anthony, Inc. | Plastic panel door |
US20200060437A1 (en) * | 2018-02-26 | 2020-02-27 | Anthony, Inc. | Plastic panel door |
US10799038B2 (en) * | 2018-02-26 | 2020-10-13 | Anthony, Inc. | Plastic panel door |
DE102018126682A1 (en) * | 2018-07-12 | 2020-01-16 | Liebherr-Hausgeräte Lienz Gmbh | Refrigerator and / or freezer |
US20210355747A1 (en) * | 2020-05-14 | 2021-11-18 | Prusak's Precision Construction, Inc. | Hollow acrylic solid surface seamless door |
US20220142379A1 (en) * | 2020-11-12 | 2022-05-12 | Hussmann Corporation | Transparent door |
Also Published As
Publication number | Publication date |
---|---|
RU2015150391A (en) | 2017-06-02 |
WO2014175727A1 (en) | 2014-10-30 |
EP2988630A1 (en) | 2016-03-02 |
MX2015014963A (en) | 2016-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: DOORS, COVERS & MORE B.V., NETHERLANDS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BOUWMAN, GERRIT;REEL/FRAME:037198/0541 Effective date: 20151029 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |