DE102015111579A1 - A method of making a door or gate element using a metal sandwich - Google Patents

Abstract

In order to provide an industrially manufacturable, sturdy door or gate element with good appearance and high thermal insulation, the invention provides a method of manufacturing a door or gate element (12) for use in or on a door or gate for closing a door or gate Door opening in a building or enclosure, comprising: a) providing a metal sandwich plate (16) having a first metal sheet (18), a second metal sheet (20) and an intermediate interlayer of insulating material (22) therebetween, b) attaching at least one edge band (46 ) on at least one narrow end face (44) of the metal sandwich plate (16).

Description

The invention relates to a method for producing a door element or gate element, which is to be used in or on a door or a door for the purpose of closing a building door opening or building door opening. In this case, the door or gate element is produced by using a metal sandwich element.

Furthermore, the invention relates to a method of a corresponding door or a corresponding door using a door or gate element to be produced in this way. Finally, the invention relates to a door or a gate with a corresponding metal sandwich element.

The production of door elements or gate elements made of metal sheets in sandwich construction with insulating material layer inserted therebetween is known in particular from US Pat DE 20 2014 001 122 U1 , of the DE 10 2012 106 345 B4 , of the DE 10 2012 100 090 A1 and the DE 10 2011 056 090 A1 known.

The closest prior art is based on a method as described in the EP 1 226 327 B1 described and shown. Therein is described the manufacture of a door leaf member in which a metal sandwich plate is provided which is formed of a first supporting metal sheet and a second supporting metal sheet and an insulating material intermediate layer therebetween. Further, at least one of the narrow end faces of the metal sandwich element, a rod-shaped body made of machined material, such as wood or plastics, inserted. In the process of EP 1 226 327 B1 narrow end sides of the metal sandwich element are covered by the metal sheets.

The production of door elements and gate elements made of metal sheets in sandwich construction has proven itself. By using load-bearing metal sheets and intermediate materials for insulation in between, door elements and door elements with a hard outer skin, which resist the corresponding influences from the outside, and good thermal insulation can be produced in cost-effective industrial mass production.

Such door elements and door elements, as they are encompassed by the invention alone, are manufactured in the metalworking industry or in locksmith operations. The invention is not directed to wooden doors or plastic doors made on the basis of wood-based or plastic boards and produced in the woodworking industry or joinery businesses.

The object of the invention is to provide a manufacturing method for the manufacture of door elements or door elements for building doors and building doors that are inexpensive to produce in industrial mass production, provide a hard outer shell, have good thermal separation and yet a higher-quality appearance with the possibility of design adaptation to different Provides environments and also has better protection against climatic environmental influences.

This object is achieved by a method according to claim 1.

Advantageous embodiments of the invention are the subject of the dependent claims.

A correspondingly producible door or gate element is the subject of the independent claim.

• a) Bereitstellen einer Metallsandwichplatte, die ein erstes Metallblech, ein zweites Metallblech und eine Isoliermaterialzwischenschicht dazwischen aufweist,
• b) Anbringen wenigstens eines Kantenbands auf wenigstens eine Schmalstirnseite der Metallsandwichplatte.

In one aspect, the invention provides a method of making a door or gate element for use in or on a door or a gate to close a door or gate opening in a building or enclosure, comprising:

• a) providing a metal sandwich plate having a first metal sheet, a second metal sheet and an intermediate insulating material layer therebetween;
• b) attaching at least one edge band on at least one narrow end side of the metal sandwich plate.

• a1) Bereitstellen einer Stahlsandwichplatte, bei dem das erste Metallblech durch ein erstes Stahlblech und das zweite Metallblech durch ein zweites Stahlblech gebildet werden.

It is preferred that step a) comprises:

• a1) providing a steel sandwich plate, wherein the first metal sheet is formed by a first steel sheet and the second metal sheet by a second steel sheet.

• a2) Herstellen der Metallsandwichplatte derart, dass wenigstens eine Schmalstirnseite zwischen dem ersten und dem zweiten Metallblech durch einen Rahmenstab gebildet wird, auf dem die Metallbleche aufliegen, und dass Schritt b) umfasst:
• b1) Anbringen des Kantenbands durch Verbinden des Kantenbands mit dem Rahmenstab.

It is preferred that step a) comprises:

• a2) producing the metal sandwich plate in such a way that at least one narrow end face between the first and the second metal sheet is formed by a frame bar on which the metal sheets rest, and in that step b) comprises:
• b1) Attaching the edge band by connecting the edge band to the frame bar.

• a2a) Herstellen der Metallsandwichplatte unter Nutzung eines innenliegenden umlaufenden Rahmens mit mehreren Rahmenstäben, und dass Schritt b1) umfasst:
• b1a) Verbinden des Kantenbands mit mehreren Kantenstäben.

It is preferred that step a2) comprises:

• a2a) producing the metal sandwich plate using an internal peripheral frame with a plurality of frame bars, and that step b1) comprises:
• b1a) Connecting the edge band with a plurality of edge bars.

• a3a) Formatieren der Metallsandwichplatte nach deren Herstellung oder
• a3b) Formatieren der Metallbleche, der Zwischenschicht und eventuell eines Rahmenholmelements vor oder im Verlauf der Herstellung der Metallsandwichplatte.

It is preferred that step a) comprises at least one of the steps:

• a3a) formatting the metal sandwich plate after its manufacture or
• a3b) Formatting the metal sheets, the intermediate layer and possibly a Rahmenholmelements before or during the production of the metal sandwich plate.

• b2) Bereitstellen eines Kantenbandes, insbesondere aus Kunststoff, mehr insbesondere PVC oder ABS,
• b3) Aufkleben des Kantenbandes auf die Schmalstirnseite
• b4) klebetechnisches Verbinden des Kantenbandes mit der Schmalstirnseite ohne zusätzliche Feinformatierung der Metallsandwichplatte mittels eines PU-Hotmeltklebstoffs
• b5) Feinformatieren der Bleche und des die Schmalstirnseite bildenden Elements durch Fügefräsen und Auftrag des Kantenbands mittels PU-Klebstoff.

It is preferred that step b) contains at least one, several or all of the steps:

• b2) providing an edge band, in particular made of plastic, more particularly PVC or ABS,
• b3) gluing the edge band on the narrow end face
• b4) adhesive bonding of the edge band to the narrow end face without additional fine formatting of the metal sandwich plate by means of a PU hotmelt adhesive
• b5) Fine formatting of the sheets and of the narrow end side forming element by joint milling and application of the edge band by means of PU adhesive.

It is preferred that in step a) a metal sandwich plate is provided in which the insulating material interlayer is formed of an insulating material selected from one or more of the group consisting of PU foam, plastic, foam material, honeycomb, mineral fiber mat and mineral fiber composite material ,

According to a further aspect, the invention relates to a method for producing a door leaf or a door leaf, comprising carrying out the method according to one of the previously explained embodiments for producing a door leaf or door leaf element and producing the door leaf or door leaf from the door leaf or door leaf element.

It is preferred that an outer door, in particular front door, or a front door, or an inner door is produced.

This can provide a metal door, in particular steel door or aluminum door, with a high-quality appearance.

According to a further aspect, the invention relates to a door or a gate, in particular a metal door such as a steel or aluminum door or a metal gate such as a steel or aluminum gate, comprising a plate-like door or gate element formed from a steel sandwich element with edge bands on at least some of the narrow end faces is.

Embodiments of the invention will be explained in more detail with reference to the accompanying drawings. It shows:

1 a perspective view of an edge portion of a door leaf as an example of a door element; and

2 a cross-sectional view through the door leaf of 1 along the level II-II.

In the figures is a door leaf 10 a metal door, in particular steel door, as an example of a door or gate element 12 for use in or on a door or gate for closing a door or gate opening in a building or enclosure. The door leaf 10 has a door leaf body 14 on that as a metal sandwich plate 16 is trained. The metal sandwich plate 16 has a first metal sheet 18 , a second metal sheet 20 and an insulating material intermediate layer 22 in between.

Next, the metal sandwich plate 16 a surrounding inner frame 24 of which in the cross section according to the 2 a frame bar 26 shown in section. On the frame 24 lie the first metal sheet 18 and the second metal sheet 20 on. In the interior of insulating material, in particular a PU foam core is provided.

The metal sheets 18 and 20 are in particular by steel sheets 30 . 32 formed, leaving the metal sandwich plate 16 also as a steel sheet sandwich panel 34 or can be referred to as a steel sheet sandwich.

The main pages or broadsides 36 . 38 be through the metal sheets 18 . 20 educated. Also horizontally to be arranged narrow end faces 40 . 42 can through the metal sheets 18 . 20 to be covered. To produce a corresponding door leaf body is in particular on the EP 1 226 327 B1 Referenced. At least one of the narrow end faces, for example, an upper or lower horizontal to be arranged narrow end face 44 is free of sheet metal, here is the frame bar 26 not covered by metal sheet. Instead, this narrow face is 44 through an edge band 46 protected.

Correspondingly, a glue edge 48 on at least one of the narrow end faces 40 . 42 . 44 educated. This makes it possible to form a steel door leaf with glue edge. The edge band 46 can be adapted to different climatic conditions and / or designs.

In particular, a very high-quality appearance in the area of the individual narrow end faces 40 . 42 . 44 be created.

For making the door leaf 10 the procedure is as follows:
First, the door leaf body 14 as a sandwich using the inside, surrounding frame 44 where the frame bars 26 For example, made of wood or plastics, adhesively produced. A formatting of the metal sheets 18 . 20 and the frame 24 as well as the actual production of the sandwich - metal sandwich plate 16 - takes place as part of a prefabrication stage.

This creates a metal sandwich plate 16 made from the two metal sheets 18 . 20 and the insulating material interlayer 22 with the frame bars 26 of the frame 24 is formed, so that at least one of the narrow end faces 44 the frame bar 26 is free.

The exposed edge or any exposed edge are then using edgebanding method, as previously performed in the furniture industry for chipboard elements, as a side edging with edge band 46 executed. In this case, a tape supplied as a strip of PVC or the like adhesive technology or using laser bonding method thermoplastic with the inner frame material of the frame 24 connected.

In the methods described here, such edgebanding methods are applied for the first time to steel sandwich elements.

• a) ohne zusätzliche umlaufende Feinformatierung per klebetechnischer Verbindung unter Nutzung von PU-Hotmeltklebstoffen; oder
• b) nach Durchführung einer entsprechenden Feinformatierung für den Toleranzausgleich der Blechschalen und des innenliegenden Rahmens 24 durch Fügefräsen und anschließend Auftrag des Kantenbandes 46 unter Verwendung von PU-Klebstoffen.

Edgebanding is done, for example, as follows:

• a) without additional circumferential fine formatting by adhesive bonding using PU hotmelt adhesives; or
• b) after carrying out a corresponding fine formatting for the tolerance compensation of the sheet metal shells and the inner frame 24 by joint milling and then application of the edge band 46 using PU adhesives.

This makes it possible to produce a thermally separated sandwich element with edgebanding edge.

In presently preferred embodiments, metal sheets are used 18 . 20 in particular metal sheets with a thickness of 0.6 mm to 1.2 mm, in particular made of steel used. The steel sheets 30 . 32 For example, they may have a coil-coated, galvanized or painted surface.

For edge bonding a PUR hotmelt adhesive is preferably used.

As material for the frame 24 Preferably, a wood material and / or PA plastic or ABS plastic is used.

The edge band is in particular a strip of PVC or ABS is used. Preferably, the thickness of the edge band is between 0.8 mm to 2 mm inclusive. The edgeband may be provided in common RAL colors or with pattern or other suitably adapted appearance (e.g., woodgrain or the like).

It can also be a door leaf 10 Produce with circumferential Edgebanding edge training. Ie on all four narrow ends 42 . 44 . 40 the edge band can be applied.

• 1) Vierseitige Besäumung des Türblattrohlings – d.h. der Metallsandwichplatte 16 – per Fräsbearbeitung oder Schleifbearbeitung;
• 2) nachfolgend Klebstoffauftrag (z.B. PUR-Schmelzklebstoff) wahlweise auf den Werkstoff des Rahmens 24 und/oder auf das Kantenband 46;
• 3) Bandapplikation per Andruckrollen auf den Türblattrohling – Metallsandwichplatte 16;
• 4) Nachpressen per Andruckrollen;
• 5) nachfolgende Fräsbesäumung der Kantenbandüberstände und eventuell Ausformung eines Übergangsradius.

A preferred method of manufacturing such door leaves 10 is organized in the following steps:

• 1) Four-sided trimming of the door leaf blank - ie the metal sandwich plate 16 - by milling or grinding;
• 2) following adhesive application (eg PUR hotmelt adhesive) optionally on the material of the frame 24 and / or on the edge band 46 ;
• 3) Tape application by means of pressure rollers on the door leaf blank - metal sandwich plate 16 ;
• 4) pressing with pressure rollers;
• 5) subsequent Fräsbesäumung the edge band projections and possibly forming a transition radius.

The edge bonding using PUR hotmelt adhesives is known from the furniture industry, see for example H. Henneken, I. Horsthemke "State of the Art on the Way to the Future", Adhäsion 4/2015 , For more details on performing the application step, reference is made to this article and the sources listed therein. All the technologies described therein are also suitable for the edgebanding method described here for steel sandwich elements in the field of door and door industry.

LIST OF REFERENCE NUMBERS

10

 door leaf

12

 Door or gate element

14

 Door blade body

16

 Metal sandwich panel

18

 first sheet metal

20

 second sheet metal

22

 Isoliermaterialzwischenschicht

24

 frame

26

 framework bar

28

 PU foam core

30

 first steel sheet

32

 second steel sheet

34

 Steel sandwich panel

36

 first broadside

38

 second broadside

40

 first narrow end face to be arranged vertically

42

 second narrow end face to be arranged vertically

44

 horizontal narrow side to be arranged

46

 edge band

48

 Anleimkante

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202014001122 U1 [0003]
• DE 102012106345 B4 [0003]
• DE 102012100090 A1 [0003]
• DE 102011056090 A1 [0003]
• EP 1226327 B1 [0004, 0004, 0028]

Cited non-patent literature

• H. Henneken, I. Horsthemke "State of the Art on the Way to the Future", Adhesion 4/2015 [0043]

Claims (10)

Method for producing a door or gate element ( 12 ) for use in or on a door or a gate for closing a door or gate opening in a building or enclosure, comprising: a) providing a metal sandwich plate ( 16 ), which is a first metal sheet ( 18 ), a second metal sheet ( 20 ) and an insulating material intermediate layer ( 22 ) between them, b) attaching at least one edge band ( 46 ) on at least one narrow end face ( 44 ) of the metal sandwich plate ( 16 ). Method according to claim 1, characterized in that step a) comprises: a1) providing a steel sandwich plate ( 34 ), in which the first metal sheet ( 18 ) through a first steel sheet ( 30 ) and the second metal sheet ( 20 ) through a second steel sheet ( 32 ) are formed. Method according to one of the preceding claims, characterized in that step a) comprises: a2) producing the metal sandwich plate ( 16 ) such that at least one narrow end face ( 44 ) between the first ( 18 ) and the second metal sheet ( 20 ) by a frame bar ( 26 ), on which the metal sheets ( 18 . 20 ) and that step b) comprises: b1) attaching the edge band ( 46 ) by connecting the edge band ( 46 ) with the frame bar ( 26 ). Method according to claim 3, characterized in that step a2) comprises: a2a) producing the metal sandwich plate ( 16 ) using an inner circumferential frame ( 24 ) with several frame bars ( 26 ), and in that step b1) comprises: b1a) connecting the edge band ( 46 ) with several edge bars. Method according to one of the preceding claims, characterized in that step a) comprises at least one of the steps: a3a) formatting of the metal sandwich plate ( 16 ) after their production or a3b) formatting the metal sheets ( 18 . 20 ), the intermediate layer ( 22 ) and possibly a Rahmenholmelements before or during the production of the metal sandwich plate ( 16 ). Method according to one of the preceding claims, characterized in that step b) contains at least one, several or all of the steps: b2) providing an edge band ( 46 ), in particular of plastic, more especially PVC or ABS, b3) gluing the edge band ( 46 ) on the narrow end face ( 44 ) b4) adhesive bonding of the edge band ( 46 ) with the narrow end face ( 44 ) without additional fine formatting of the metal sandwich plate ( 16 ) by means of a PU hotmelt adhesive b5) fine-format the sheets and the narrow end face ( 44 ) forming element by joint milling and application of the edgeband ( 46 ) by means of PU adhesive. Method according to one of the preceding claims, characterized in that in step a) a metal sandwich plate ( 16 ), in which the insulating material intermediate layer ( 22 ) is formed of an insulating material selected from one or more of the group consisting of PU foam, plastic, foam, honeycomb, mineral fiber mat and mineral fiber composite. Method for producing a door leaf ( 10 ) or a door leaf, comprising carrying out the method according to one of the preceding claims for producing a door leaf or door leaf element (US Pat. 12 ) and making the door leaf ( 10 ) or door leaves from the door leaf or door leaf element ( 12 ). A method according to claim 8, characterized in that an outer door, in particular front door, or a front door, or an inner door is produced. Door or gate comprising a plate-like door or gate element ( 12 ) made of a steel sandwich element with edge bands ( 46 ) on at least some of the narrow end faces ( 44 ) is formed.

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