DE102006024998A1 - Whiteboard, pin board, magnet board, moderator board or partition wall, comprises a core having two-component foam and a surface material arranged on a side of the core, and a frame element arranged at a narrow side of the board - Google Patents

Abstract

The whiteboard (10), pin board, magnet board, moderator board or partition wall, comprises a core having a two-component foam and a surface material arranged on a side of the core, and a frame element (30) arranged at a narrow side of the board. The two-component foam inputs an adhesive connection with the surface material in uncured liquid state. The density of the two-component foam in cured state enables a sticking with a pin needle. Tools are formed in the core and have a ferromagnetic material having a lattice or a net. The whiteboard (10), pin board, magnet board, moderator board or partition wall, comprises a core having a two-component foam and a surface material arranged on a side of the core, and a frame element (30) arranged at a narrow side of the board. The two-component foam inputs an adhesive connection with the surface material in uncured liquid state. The density of the two-component foam in cured state enables a sticking with a pin needle. Tools are formed in the core, have a ferromagnetic material having a lattice or a net and form a part of the surface material together with a coating arranged on the side of the core or a surface formed on the side of the core. Clip boards (40) with further functions are incorporated in the core. The frame element is an integral component of the core and is optically marked by printing or coating. Filler is mixed to the two-component foam and has a higher density than the cured two-component foam and has ferromagnetic particles. The two-component foam forms a smooth surface for whiteboards and magnet boards. The smooth surface forms a part of the suitable surface material. Independent claims are included for: (1) foaming tool for the production of a board; and (2) procedure for the production of a board.

Description

The The invention relates to a panel according to the preamble of the claim 1.

to support communication and information exchange, as well as visualization of ideas, information and the like, for example in group discussions are a variety of technical facilities, such as beamer, flipboard, Overhead projector, whiteboard, pin board, slate board, magnetic board, Presenter board and the like known. The least need on technical infrastructure with at the same time lowest weight need here the classic communication aids whiteboard, magnetic board and pinnboard, with the advantage of being usable on just about everyone any place, easy to set up and simple Transportability.

One Whiteboard includes a typically white, smooth, solid, with one commercial, non-permanent, for example, water-soluble felt-tip pen, such mentioned board markers recordable, for example made of plastic or enamel existing surface. Notes and drawings can be from this surface For example, be easily removed with a wipe.

A Magnetic board includes a smooth, solid and metallic, in particular ferromagnetic surface, For example, from a plastic-coated sheet on the Sticky notes or the like can be fixed by means of magnets.

A Pinnwand points in contrast a soft, mostly rough surface on which pins can be inserted, for sticky notes, photographs and the like.

there it happens that depending on the topic of conversation or type of group session not just a whiteboard or a magnetic board or a pin board needed but whiteboard and / or magnetic board and / or pin board.

According to the state Technically, in this case, it is necessary to use all three types of communication aids or available to put, combined with the disadvantage of a large footprint.

The above products are usually made in such a way that the plate core 8th made of softwood, corrugated board, a PU foam board or styrofoam ( 8a ). These plate cores 8th Depending on the intended use, they are then treated with fabric, paper, cork, enamel or plastic-coated sheet metal as the surface material 7 Mistake. These surface materials 7 be in a separate step ( 8b ) by coating with hot or cold glue and using a press on the plate core 8th applied. After that, the with the respective surface materials 7 coated plates 2 with an aluminum, wood or plastic frame 3 and optionally with plastic corner elements 3 ' Mistake ( 8c ). Whiteboards and pinnboards are normally provided with a separate peel-off tray for pens, pins and wipes, as well as, if necessary, wall-mounted suspension elements.

adversely this is for that each case of use provided a specially designated disk core must be combined with high storage costs and transport costs to the workplace. About that In addition, many individual steps are needed for the production, connected with high production costs.

A The object of the invention is to remedy this situation.

The Task is solved by the features of claim 1.

The inventive panel allows across from The prior art, a significant reduction in manufacturing costs of whiteboards, pinnboards, magnetic boards, moderator panels and partitions as well a considerable simplification of the production. Furthermore lets that go whiteboard according to the invention in a simple way additional Design features too. Furthermore, a high dimensional stability and insensitivity to Humidity achieved at low weight.

A advantageous embodiment of the invention provides that the density of for the core used two-component foam in the cured state a piercing with a pin needle allows. This makes it possible in principle, a and the same two-component foam for all types of panels, for whiteboards, Pinnboards, magnetic boards, moderator boards or partitions to use.

Besides that is conceivable that in the core preferably by lathering means are incorporated, which together with at least one Side of the core arranged coating or one at least formed on one side of the core surface, a part of a suitable surface material form.

In particular, it is conceivable here that the material incorporated into the core makes it possible to use the board according to the invention as a magnetic board. For example, it is conceivable that the two component material forms a more or less closed surface, which in itself is suitable for example for a pin board or a magnetic board. If, for example, a metal grid is additionally incorporated in the core, then the metal grid, together with the surface of, for example, the core, forms a surface material suitable for a magnetic board. If the core is provided with a surface material suitable for a whiteboard, or if the core itself forms such a surface, and if, for example, a metal mesh is incorporated into the core, the metal mesh together with the whiteboard surface forms a suitable surface material for a magnetic board.

A Another advantageous embodiment of the invention provides that the agent incorporated in the core is a ferromagnetic material include. By incorporating a ferromagnetic material into the core, the board according to the invention can be independent of the surface material used, which, for example, has properties that make use of the Allow blackboard as pin board or whiteboard, used as a magnetic board become.

there it is conceivable that the incorporated into the core ferromagnetic Material a grid or a network of iron or another ferromagnetic Comprises material, for example of a wire or the like, preferably near the surface foamed into the core is.

A additional advantageous embodiment of the invention provides that in the Core elements with advanced functions are foamed. So can For example, recesses in the form of recesses for receiving of pens and / or for hanging the panel be incorporated into the core, or preformed elements, who take on such a function.

A advantageous embodiment of the invention is characterized by a frame element arranged at least on a narrow side of the panel. The frame element is preferably an integral part of the core. As a result, the production costs are further reduced. It is conceivable that the frame element by printing or coating is visually highlighted. A highlighting by printing or Applying a film is particularly cost-effective and satisfies the optical claims completely.

A advantageous embodiment of the invention provides that the two-component foam preferably in still liquid, uncured state a filler is added. This can reduce the consumption of two-component foam material be, as well as others desired Be achieved, such as an increase in the Stability by weighting, a modification of the hardness of the Foam, a change the elasticity or stiffness of the foam and the like. The filler may include, for example, a recycled material. This will be the price for the filler reduced.

there it is conceivable that the filler a higher one Density than the cured Two-component foam. By adding a filler with a higher density as the cured one Two-component foam can in particular by introducing such filler in the foot area a panel according to the invention one to improve the stamina required weighting be achieved.

Furthermore it is conceivable that the filler metallic, preferably ferromagnetic particles. By Addition of metallic fillers can on the one hand, a weighting required to improve stamina can be achieved, on the other hand, in the region of a surface of the core introduced such filler the use of the panel according to the invention enable as magnetic board, independently on the texture of the surface or surface material the board or the further usability of the board.

A Particularly advantageous embodiment of the invention provides that the two-component foam of the core during curing, at least for whiteboards and magnetic boards suitable, smooth surface forms, which at least a part of the suitable surface material forms.

• – Mittel zum Bilden einer der Form des Kerns der herzustellenden Tafel entsprechenden Kavität bzw. eines der Form der herzustellenden Tafel entsprechenden Hohlraums,
• – Mittel zum Halten mindestens eines an mindestens einer Oberfläche des Kerns der herzustellenden Tafel anzuordnenden Oberflächenmaterials an entsprechender Stelle in der Kavität bzw. dem Hohlraum,
• – Mittel zum Einbringen von zur Verwendung als Kern der herzustellenden Tafel vorgesehenen Zweikomponentenschaummaterial in unausgehärtetem, flüssigen Zustand in die Kavität bzw. den Hohlraum, sowie
• – Mittel zum Halten der Form der Kavität bzw. des Hohlraums bis zum Aushärten des Zweikomponentenschaums. Die Mittel zum Halten der Form der Kavität bzw. des Hohlraums bis zum Aushärten des Zweikomponentenschaums dienen im Wesentlichen dazu, sicherzustellen, dass sich die Form beim Aushärten des Zweikomponentenschaums nicht öffnet.

An additional, particularly advantageous embodiment of the invention relates to a foaming tool for producing a panel as described above. Such a foaming tool according to the invention comprises:

• Means for forming a cavity corresponding to the shape of the core of the panel to be produced or a cavity corresponding to the shape of the panel to be produced,
• Means for holding at least one surface material to be arranged on at least one surface of the core of the panel to be produced, at a corresponding location in the cavity or cavity,
• - means for introducing intended for use as the core of the table to be produced two-component foam material in uncured, liquid state in the cavity or the cavity, and
• - Means for holding the shape of the cavity or the cavity until curing of the two-component foam. The means of holding the mold The cavity or the cavity until the curing of the two-component foam essentially serve to ensure that the mold does not open during curing of the two-component foam.

According to one advantageous embodiment of the foaming tool according to the invention comprises this Means for holding at least one on at least one narrow side the finished panel to be arranged frame element in the appropriate place in the cavity or the cavity.

As well It is conceivable that the foaming tool according to the invention means for holding at least one to be arranged in the core of the panel to be produced, made of a preferably ferromagnetic material grating or net at the appropriate place in the cavity or the Cavity includes.

there can the means for holding the surface material in the cavity or the cavity, a device for generating a negative pressure between form and surface material include.

• – Einbringen eines für den gewünschten Anwendungsfall der herzustellenden Tafel geeigneten Oberflächenmaterials in eine der Form des Kerns der herzustellenden Tafel entsprechenden Kavität bzw. einen der Form des herzustellenden Kerns entsprechenden Hohlraum,
• – Halten des Oberflächenmaterials an entsprechender Stelle in der Kavität bzw. dem Hohlraum,
• – Einbringen von zur Verwendung als Kern der herzustellenden Tafel vorgesehenen Zweikomponentenschaummaterial in unausgehärtetem, flüssigen Zustand in die Kavität bzw. den Hohlraum, sowie
• – Halten der Form der Kavität bzw. des Hohlraums bis zum Aushärten des Zweikomponentenschaums.

A further advantageous embodiment of the invention relates to a method for producing a panel as described above. The method according to the invention comprises the method steps:

• Inserting a surface material suitable for the desired application of the panel to be produced into a cavity corresponding to the shape of the core of the panel to be produced or a cavity corresponding to the shape of the core to be produced,
• Holding the surface material at the appropriate location in the cavity or cavity,
• - Introducing provided for use as the core of the table to be produced two-component foam material in uncured, liquid state in the cavity or the cavity, and
• - Keep the shape of the cavity or the cavity until curing of the two-component foam.

there It may be necessary to harden or cure the surface material at least until partially harden of the two-component foam at the corresponding location in the cavity or the To keep the cavity.

A advantageous embodiment of the method according to the invention provides that in addition to the surface material at least one on at least one narrow side of the core of the produced Panel to be arranged frame element in the cavity or the cavity before or after the surface material is introduced and held at the appropriate place.

A Another advantageous embodiment of the method according to the invention provides that at least holding the surface material is more appropriate Place in the cavity or the cavity is carried out by negative pressure. As a result, no holding means needed in the form which the quality surface of the could affect the board to be produced. Of the For example, negative pressure can be achieved by drilling in the shape of the cavity or cavity of the preset foaming tools are applied. The holes are made by introducing, for example, the surface material, which applies from the inside to the holes, closed, so that no two-component foam material through the holes the form can escape.

The The invention will now be explained in more detail with reference to exemplary embodiments. It demonstrate:

1 a blackboard according to the invention,

2 a panel according to the invention designed as a one-piece moderator panel,

3 an inventive foaming tool for producing a panel according to the invention,

4 the foaming tool 3 in the closed state during the manufacture of a panel according to the invention,

5 an alternative embodiment of the foaming from 3 in the closed state during the manufacture of one opposite 4 differently designed inventive panel,

6 an alternative embodiment of the foaming from 3 in the closed state during the manufacture of one opposite 4 and 5 differently designed inventive panel,

7 an alternative embodiment of the foaming from 3 in the closed state during the manufacture of one opposite 4 . 5 and 6 differently designed inventive panel,

8th a schematic representation of the manufacturing process of a whiteboard according to the prior art, as well as

9 a schematic representation of the individual steps to produce an alternative Embodiment of the panel according to the invention.

An in 1 illustrated, designed as a whiteboard panel according to the invention 10 consists essentially of a plate provided with a suitable surface material 20 , one the plate 20 bordering frame 30 , as well as one on the frame 30 or the plate 20 arranged filing 40 , Inside the frame, the plate points 20 a writable area 22 on.

An in 2 illustrated, designed as a one-piece moderator panel according to the invention panel 11 consists of a freestanding plate coated with a suitable surface material 21 , as well as the stability of the plate ensuring foot elements 50 , The foot elements 50 are complained by incorporation of metal scrap particles. The appropriate surface of the foamed plate 21 Depending on the application, for example, consists of paper, glass flow or a fabric cover.

According to the invention, it is proposed the complete whiteboard, pin board, the magnetic board, presenter board or partition panel not as in the prior art usual in to produce different work steps from plate elements, then afterwards provided with suitable surface material but these products in one process step by means of a Two-component foam produce. For this it is necessary that the foaming tool and any frame element which may be used, is a special one Embodiment has.

An inventive embodiment of the foaming tool 60 is in the 3 to 7 shown.

An inventive foaming tool 60 for the production of a panel according to the invention is constructed in two parts. An upper one 61 and lower mold half 62 form in the closed state corresponding to the shape of the core of the panel to be produced cavity or a corresponding shape of the panel to be produced cavity.

In the upper 61 and lower mold half 62 are holes 63 . 64 incorporated, which extend to the inner surface of the cavity or the cavity. About the holes 63 . 64 a negative pressure can be applied. The negative pressure is used on at least one surface of the core 80 the appropriate surface material to be arranged 70 to be held at the appropriate place in the cavity or the cavity. And as long as the general foaming tool to be designated as a form 60 is open. This also applies in the closed state, until one in the form 60 introduced, the core 80 has cured two-component foam. The suction of the surface material 70 drilling 63 . 64 are holes 66 . 67 provided, on at least one narrow side of the finished panel to be arranged frame elements 31 should hold at the appropriate place in the cavity or the cavity. The frame elements 31 are preferably made of aluminum profiles.

Another, not shown in the figures, also extending into the cavity bore is used for introduction of the core 80 the two-component foam material provided in the uncured, liquid state in the cavity or cavity. In addition, in the foaming tool 60 cooling holes 65 arranged for the passage of a heat dissipating heat during curing of the two-component foam heat.

The foaming tool 60 In addition, in the figures also not shown means for holding the shape of the cavity or the cavity until curing of the two-component foam. The means for maintaining the shape of the cavity or cavity until curing of the two-component foam essentially serve to ensure that the mold 60 does not open during curing of the two-component foam.

Important It should be emphasized that since the two-component foam adjusted so can be that the density of the material is a grooving with a Pin needle permits, a single starting material for all applications, Whiteboard, pinboard, magnetic board, moderator board, partition used can be.

hereby deleted the extremely voluminous storage the prior art various plate blanks, as well as their transport to and at the workplace. As a result, the storage costs are greatly reduced and the Production simplified by fewer handles and a total of the Reduced production costs.

There the two-component foam beyond the property has a reaction with the surface materials used Adhesive connection to be omitted The application and compression required by the prior art with the glue. This saves a complete step, which reduces the production costs sustainably.

Due to the low density of the two-component foam associated with a high porosity, the plates according to the invention are on the one hand very light and on the other hand after Curing very dimensionally stable and insensitive to moisture.

It is also important to emphasize that elements with additional functions can be foamed into the panels. For example, elements 41 for suspension of the plate, wells 42 for the storage of pens etc. with molded ( 7 ).

In principle, it is also possible, instead of using separate frame elements 32 ( 6 ), this of foam with and by, for example, printing the foamed surface or by coating with a film 90 visually represent ( 5 ). The foil 90 For example, it may be printed to give the appearance that the frame is made of wood, aluminum, or some other material.

In planning boards magnets are used for holding notes as well as magnetic strips for name badges, weekly divisions etc. In order to make this possible also in the whiteboard according to the invention, it is conceivable to use a metal grid in the two-component foam 100 lather. The metal grid is preferably foamed near the surface ( 5 ).

The surface the invention produced Sheets can be made with a plastic film that can be wiped dry Pencils is writable, or with fabric, cork, paper and the like suitable materials are provided. This will be a both with a pen inscribable, as well as magnetic-adhesive surface or one both pinnable, as well also magnetic surface receive.

Furthermore is conceivable from a recycling point of view, that in the initial state liquid foam components a granulate of, for example, plastic, wood, cardboard and the like filler admix.

It is likewise conceivable to add metal, for example metal scrap particles, to the liquid foam components, for example to weight partitions or moderator panels, in particular in the foot region, in order to increase their stability ( 2 ).

In 9 the essential steps for producing a panel according to the invention are shown which are similar to those in 5 illustrated embodiment a suitable surface material 71 as well as a printed border area 33 to give the visual impression of a frame. Show 9a ) the still unprinted, suitable surface material 71 . 9b ) that in its edge area 33 printed, suitable surface material, and 9c ) A cross section through a foaming tool according to the invention 60 during the production of a panel according to the invention with printed edge area 33 ,

The suitable surface material 71 the in 9 The panel shown consists essentially of one having a corresponding shape, preferably with a writable coating 23 provided sheet metal plate 91 , The shape of the metal plate 91 is predetermined by the unfolding of the sheet metal plate to be encompassed outer contour, or the part of the sheet metal plate to be encompassed outer contour of the panel. The mold is preferably punched out.

When using a metal plate 91 as starting material for the suitable surface material 71 can be compared to in 5 illustrated panel according to the invention are dispensed in a proposed use as a magnetic board on the foaming of a metal grid. By suitable choice of the coating 23 the sheet metal plate 91 This can simultaneously be labeled as a surface 24 to serve a whiteboard.

For producing a coated and printed sheet metal plate 91 as a suitable surface material 71 provided inventive panel in a foaming tool according to the invention 60 At first, it will be flat, but in its dimensions of unfolding the surface material 71 to encompassing outer contour of the panel corresponding surface material 71 in accordance with the shape of the cavity or the hollows of the foaming tool 60 folded and in the lower half of the mold 62 inserted. Is the starting material of the sheet metal plate 91 thin-walled, can be dispensed with the folding. A vacuum source is connected, which via suitable holes the surface material 71 holds in place after insertion into the mold and / or draws it into the mold when it is a thin sheet metal plate 91 is. Subsequently, the foaming tool 60 by closing the in the lower mold half 62 formed cavity with the upper mold half 61 closed, so that a cavity is formed whose walls are at least partially covered by the surface material. Now the core is 80 by introducing an initially liquid two-component foam material into the cavity. During curing, the two-component foam material forms an adhesive bond between surface material 71 and core 80 out.

The Invention is particularly in the field of production of whiteboards, Pinnboards, magnetic boards, moderator boards and partitions commercial applicable.

2

plate

3

frame element

3 '

Kunststoffeckelement

7

surface material

8th

board core

10 11

blackboard

20 21

plate

22 24

inscribable area

23

coating

30

frame

31 32

frame element

33

printed border area

40

filing

41

suspension

42

deepening

50

foot element

60

foaming

61

upper mold

62

lower mold

63 64

drilling

65

cooling hole

66 67

drilling

70 71

surface material

91

sheet metal plate

80

core

90

foil

100

metal grid

Claims (21)

Blackboard ( 10 . 11 ), in particular whiteboard, pin board, magnetic board, moderator board or partition, comprising a core ( 80 ) and on at least one side of the core ( 80 ), suitable for the particular application surface material ( 70 . 71 ), characterized in that the core ( 80 ) consists of a two-component foam which in uncured, liquid state has an adhesive bond with the surface material ( 70 . 71 ) received. Panel according to claim 1, characterized in that the density of the core ( 80 ) used two-component foam in the cured state allows piercing with a pin needle. Panel according to claim 1 or 2, characterized in that in the core ( 80 ) Medium ( 100 ), which together with at least one side of the core ( 80 ) or at least on one side of the core ( 80 ) formed part of a suitable surface material ( 70 ) form. Panel according to claim 3, characterized in that the core ( 80 ) incorporated means a ferromagnetic material ( 100 ). Panel according to claim 4, characterized in that the core ( 80 ) incorporated ferromagnetic material a grid or a network ( 100 ). Board according to one of the preceding claims, characterized in that in the core ( 80 ) Elements ( 40 . 41 . 42 ) are foamed with more advanced functions. Board according to one of the preceding claims, characterized by at least one narrow side of the board ( 10 . 11 ) arranged frame element ( 30 . 31 . 32 ). Panel according to claim 7, characterized in that the frame element ( 30 . 31 . 32 ) integral part of the core ( 80 ). Board according to claim 8, characterized in that the cream element ( 30 . 31 . 32 . 33 ) is highlighted by printing or coating. Panel according to one of the preceding claims, characterized characterized in that the two-component foam is a filler is added. Panel according to claim 10, characterized in that that the filler includes a recycled material. Panel according to claim 10 or 11, characterized that the filler a higher one Density than the cured Two-component foam. Panel according to claim 12, characterized that the filler metallic, preferably ferromagnetic particles. Board according to one of the preceding claims, characterized in that the two-component foam of the core ( 80 ) forms, during curing, a smooth surface suitable at least for whiteboards and magnetic boards, which comprises at least part of the suitable surface material ( 70 ). Foaming tool ( 60 ) for the production of a board ( 10 . 11 ) according to one of the preceding claims, characterized by - means ( 61 . 62 ) for forming one of the shape of the core of the panel to be produced ( 10 . 11 ) corresponding cavity or one of the shape of the produced table ( 10 . 11 ) corresponding cavity, - means ( 63 . 64 ) for holding at least one on at least one surface of the core ( 80 ) of the board to be produced ( 10 . 11 ) to be arranged chenmaterials ( 70 . 71 ) at the appropriate location in the cavity or the cavity, - means for introducing two-component foam material in uncured, liquid state into the cavity or cavity, and - means for holding the mold ( 60 ) of the cavity or the cavity until curing of the two-component foam. Foaming tool according to claim 15, characterized by - means ( 63 . 64 ) for holding at least one frame element to be arranged on at least one narrow side of the finished board ( 31 . 32 ) at the appropriate place in the cavity or the cavity. Foaming tool according to claim 15 or 16, characterized by - means for holding at least one in the core ( 80 ) of the board to be produced ( 10 . 11 ) to be arranged, consisting of a preferably ferromagnetic material grid or network ( 100 ) at the appropriate place in the cavity or the cavity. Foaming tool according to claim 15, 16 or 17, characterized in that the means for holding the surface material ( 70 . 71 ) in the cavity or the cavity, a device for generating a negative pressure between form ( 60 . 61 . 62 ) and surface material ( 70 . 71 ). Method for producing a panel according to one of Claims 1 to 14, characterized by the method steps: introduction of a panel to be produced for the desired application ( 10 . 11 ) suitable surface material ( 70 . 71 ) in a cavity corresponding to the shape of the core of the panel to be produced or a cavity corresponding to the shape of the core to be produced, - holding the surface material in the appropriate location in the cavity or hollow space, - introducing two-component foam material in uncured, liquid state into the cavity or the cavity, and - maintaining the shape of the cavity or the cavity until curing of the two-component foam. Method according to claim 19, characterized in that in addition to the surface material ( 70 . 71 ) at least one to be arranged on at least one narrow side of the core of the panel to be arranged frame element ( 30 . 31 . 32 ) is introduced and held in the cavity or the cavity at the appropriate location. A method according to claim 19 or 20, characterized in that at least the holding of the surface material ( 70 . 71 ) takes place at a suitable location in the cavity or the cavity by negative pressure.