WO1995033108A1 - Panel - Google Patents

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Publication number
WO1995033108A1
WO1995033108A1 PCT/FI1995/000304 FI9500304W WO9533108A1 WO 1995033108 A1 WO1995033108 A1 WO 1995033108A1 FI 9500304 W FI9500304 W FI 9500304W WO 9533108 A1 WO9533108 A1 WO 9533108A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
layer
wood
pressure resistant
support layer
Prior art date
Application number
PCT/FI1995/000304
Other languages
French (fr)
Inventor
Petteri Iivarinen
Original Assignee
Eriksson Capital Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eriksson Capital Oy filed Critical Eriksson Capital Oy
Priority to AU25690/95A priority Critical patent/AU2569095A/en
Publication of WO1995033108A1 publication Critical patent/WO1995033108A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups

Definitions

  • the invention relates to a panel that comprises a surface layer made of stone material, a pressure resistant support layer mounted with glue substance on one surface of the surface layer and a tension resistant surface layer mounted with glue substance on the surface of the support layer.
  • Panels of this kind are nowadays well known and used in both outdoor and indoor installations.
  • An example of a known solution is a panel where a surface layer made of stone is mounted onto one surface of a pressure resistant honeycomb structure made of aluminium. A tension resistant layer made of fibreglass material is then mounted onto the surface of the honeycomb structure.
  • a disadvantage of the above known solution is its high cost because the production costs of a honeycomb structure made of aluminium are high. Approaches are also known in the field in which the honeycomb structure is made of plastic material . The disadvantage of these solutions is also their comparatively high production costs.
  • the object of the invention to provide a panel with which the drawbacks of the prior art can be eliminated. This is achieved with the panel of the invention that is characterized in that the pressure resistant support layer is made of wood material that is arranged in such a manner that the grain is essentially perpendicular to the plane of the layer made of stone material .
  • An advantage of the invention over the prior art is primarily its low production costs because much less energy is needed for producing the panel of the invention in comparison to the aluminium solution.
  • Another advantage is that the panel is environmentally friendly, which is highly significant today.
  • Still another advantage is the light weight of the panel that widens the range of its usability. Furthermore, it is to be noted that light weight is achieved without using any expensive technique, for example, formerly the aeronautical industry used a very expensive honeycomb technique.
  • a further advantage is that it can be used for various purposes as the panel of the invention meets very high quality and fire proofing requirements.
  • the panel of the invention can be used for example in ships that have extremely high quality standards.
  • the invention also has the advantage that its mounting properties are very good as the panel can be equipped with fastenings for mounting the panel onto its base, if needed.
  • the reference numeral 1 denotes a surface layer made of stone material .
  • the reference numeral 2 denotes generally a support layer that is pressure resistant.
  • the pressure resistant support layer 2 is mounted with glue substance on one surface of the surface layer made of stone material.
  • the glue substance is applied in such a way that the layers are fastened together over their entire surface.
  • the surface of the support layer 2 facing away from the stone layer 1 is provided with a tension resistant surface layer 3 by using glue substance.
  • Said tension resistant layer 3 can, for example, be made of fibreglass material, metal or any such material. This glue substance is also applied in such a way that the layers are fastened together over their entire surface.
  • the pressure resistant support layer 2 is made of wood material that is arranged in such a manner that the grain is essentially perpendicular to the plane of the layer 1 made of stone material .
  • wood material refers specifically to natural wood.
  • a highly pressure resistant structure with a good dimensional stability is achieved by mounting the grain of wood material perpendicular to the plane of layer 1 made of stone material.
  • the panel of the invention does not absorb water which widens the range of its usability.
  • the panel of the invention meets even the requirements on ships because of its highly advantageous fire proofing properties.
  • the panel of the invention is also shock resistant which makes it very suitable for use in lifts.
  • Shock resistance means that the layer of wood material supports the layer of stone material so well that an essentially spotlike shock, such as a kick, will not make the stone material crack very easily and if the shock is hard enough and the stone material cracks, the pieces will remain on the support layer without falling off .
  • an essentially spotlike shock such as a kick
  • the pressure resistant support layer 2 can most preferably be made of pieces of wood 2a fixed adjacent to each other.
  • the mounting of the pieces of wood 2a can be made by shaping the pieces of wood 2a to match each other and by fastening them together so that the grain of the pieces is in a perpendicular direction to the layer 1 made of stone material. This solution is shown in the figure.
  • the shaping of the pieces of wood 2a can be made quite freely, but it is essential that the shapes are of a kind that can be tightly fastened adjacent to each other. Naturally, it is quite possible to have one single piece of wood to form a pressure resistant layer, etc.
  • the pressure resistant layer can be made of any suitable wood material. Balsa wood has given very good results. The advantage of balsa wood is its light weight and easy machining so that a good final result is reached with advantage. Aspen can be mentioned as an example of other wood materials that can be used. The embodiment above is in no way intended to restrict the invention but the invention can vary within the scope of the claims quite freely. Therefore, it is evident that the panel of the invention or its details need not be similar to the ones shown in the figure but other arrangements are also possible.
  • the layer made of stone material can naturally be cut from raw material in any suitable way, the dimensions can be chosen as required, etc.
  • the stone material can be any stone, for example, granite, marble, etc.
  • the pressure resistant layer can also be dimensioned quite freely with regard to the situation in question.
  • the panel of the invention can be rectangular but the shape of the panel can always be chosen in accordance with the situation.
  • the glue substance can be any suitable glue or any such substance that secures sufficient fastening.
  • the panel can be put together by any suitable known technique, or by using any way of applying the glue substance and different pressing methods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

The invention relates to a panel that comprises a surface layer (1) made of stone material, a pressure resistant support layer (2) mounted with glue substance on one surface of the surface layer and a tension resistant surface layer (3) mounted with glue substance on the surface of the support layer. In order to obtain a panel with advantageous production costs, the pressure resistant support layer (2) is made of wood material that is arranged in such a manner that the grain is essentially perpendicular to the plane of the layer (1) made of stone material.

Description

Panel
The invention relates to a panel that comprises a surface layer made of stone material, a pressure resistant support layer mounted with glue substance on one surface of the surface layer and a tension resistant surface layer mounted with glue substance on the surface of the support layer.
Panels of this kind are nowadays well known and used in both outdoor and indoor installations. An example of a known solution is a panel where a surface layer made of stone is mounted onto one surface of a pressure resistant honeycomb structure made of aluminium. A tension resistant layer made of fibreglass material is then mounted onto the surface of the honeycomb structure.
A disadvantage of the above known solution is its high cost because the production costs of a honeycomb structure made of aluminium are high. Approaches are also known in the field in which the honeycomb structure is made of plastic material . The disadvantage of these solutions is also their comparatively high production costs.
It is the object of the invention to provide a panel with which the drawbacks of the prior art can be eliminated. This is achieved with the panel of the invention that is characterized in that the pressure resistant support layer is made of wood material that is arranged in such a manner that the grain is essentially perpendicular to the plane of the layer made of stone material .
An advantage of the invention over the prior art is primarily its low production costs because much less energy is needed for producing the panel of the invention in comparison to the aluminium solution. Another advantage is that the panel is environmentally friendly, which is highly significant today. Still another advantage is the light weight of the panel that widens the range of its usability. Furthermore, it is to be noted that light weight is achieved without using any expensive technique, for example, formerly the aeronautical industry used a very expensive honeycomb technique. A further advantage is that it can be used for various purposes as the panel of the invention meets very high quality and fire proofing requirements. The panel of the invention can be used for example in ships that have extremely high quality standards. The invention also has the advantage that its mounting properties are very good as the panel can be equipped with fastenings for mounting the panel onto its base, if needed.
In the following, the invention will be described in more detail by means of a preferred embodiment shown in the attached drawing in which the drawing figure represents a schematic sectional view of the panel of the invention.
In the figure the reference numeral 1 denotes a surface layer made of stone material . The reference numeral 2 denotes generally a support layer that is pressure resistant. The pressure resistant support layer 2 is mounted with glue substance on one surface of the surface layer made of stone material. The glue substance is applied in such a way that the layers are fastened together over their entire surface. The surface of the support layer 2 facing away from the stone layer 1 is provided with a tension resistant surface layer 3 by using glue substance. Said tension resistant layer 3 can, for example, be made of fibreglass material, metal or any such material. This glue substance is also applied in such a way that the layers are fastened together over their entire surface.
It is an essential idea of the invention that the pressure resistant support layer 2 is made of wood material that is arranged in such a manner that the grain is essentially perpendicular to the plane of the layer 1 made of stone material . In this connection the term wood material refers specifically to natural wood. A highly pressure resistant structure with a good dimensional stability is achieved by mounting the grain of wood material perpendicular to the plane of layer 1 made of stone material. The panel of the invention does not absorb water which widens the range of its usability. The panel of the invention meets even the requirements on ships because of its highly advantageous fire proofing properties. The panel of the invention is also shock resistant which makes it very suitable for use in lifts. Shock resistance means that the layer of wood material supports the layer of stone material so well that an essentially spotlike shock, such as a kick, will not make the stone material crack very easily and if the shock is hard enough and the stone material cracks, the pieces will remain on the support layer without falling off . The above mentioned points have a direct bearing on safety issues.
The pressure resistant support layer 2 can most preferably be made of pieces of wood 2a fixed adjacent to each other. The mounting of the pieces of wood 2a can be made by shaping the pieces of wood 2a to match each other and by fastening them together so that the grain of the pieces is in a perpendicular direction to the layer 1 made of stone material. This solution is shown in the figure. The shaping of the pieces of wood 2a can be made quite freely, but it is essential that the shapes are of a kind that can be tightly fastened adjacent to each other. Naturally, it is quite possible to have one single piece of wood to form a pressure resistant layer, etc.
The pressure resistant layer can be made of any suitable wood material. Balsa wood has given very good results. The advantage of balsa wood is its light weight and easy machining so that a good final result is reached with advantage. Aspen can be mentioned as an example of other wood materials that can be used. The embodiment above is in no way intended to restrict the invention but the invention can vary within the scope of the claims quite freely. Therefore, it is evident that the panel of the invention or its details need not be similar to the ones shown in the figure but other arrangements are also possible. The layer made of stone material can naturally be cut from raw material in any suitable way, the dimensions can be chosen as required, etc. The stone material can be any stone, for example, granite, marble, etc. The pressure resistant layer can also be dimensioned quite freely with regard to the situation in question. It is clear that the panel of the invention can be rectangular but the shape of the panel can always be chosen in accordance with the situation. The glue substance can be any suitable glue or any such substance that secures sufficient fastening. The panel can be put together by any suitable known technique, or by using any way of applying the glue substance and different pressing methods.

Claims

Claims :
1. A panel that comprises a surface layer (1) made of stone material, a pressure resistant support layer (2) mounted with glue substance on one surface of the surface layer and a tension resistant surface layer (3) mounted with glue substance on the surface of the support layer, c h a r a c t e r i z e d in that the pressure resistant support layer (2) is made of wood material that is arranged in such a manner that the grain is essentially perpendicular to the plane of the layer (1) made of stone material.
2. A panel as claimed in claim 1, c h a r a c ¬ t e r i z e d in that the pressure resistant support layer (2) is formed of pieces of wood (2a) fixed adjacent to each other.
3. A panel as claimed in claim 1 or 2, c h a r a c t e r i z e d in that the wood material is balsa wood.
4. A panel as claimed in claim 1 or 2, c h a r a c t e r i z e d in that the wood material is aspen.
PCT/FI1995/000304 1994-05-31 1995-05-30 Panel WO1995033108A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25690/95A AU2569095A (en) 1994-05-31 1995-05-30 Panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942555 1994-05-31
FI942555A FI94887C (en) 1994-05-31 1994-05-31 Panel

Publications (1)

Publication Number Publication Date
WO1995033108A1 true WO1995033108A1 (en) 1995-12-07

Family

ID=8540818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1995/000304 WO1995033108A1 (en) 1994-05-31 1995-05-30 Panel

Country Status (3)

Country Link
AU (1) AU2569095A (en)
FI (1) FI94887C (en)
WO (1) WO1995033108A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847835A1 (en) * 1998-10-16 2000-05-04 Konstruktion Holz Werk Seubert Component for the construction of wood buildings and bridges is a wood slab of adjacent wood beams with an outer covering of a mineral material for mechanical strength with good ecological qualities
WO2004051023A1 (en) * 2002-12-04 2004-06-17 Onesimo D Avila Marcos Method introduced in granite or marble reinforced by rigid substratum and alike

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298892A (en) * 1963-12-06 1967-01-17 Balsa Ecuador Lumber Corp Trussed sandwich laminates
US3616112A (en) * 1969-08-29 1971-10-26 Balsa Dev Corp Balsa wood core in a laminated structural sandwich
DE1659179B2 (en) * 1967-01-19 1981-06-11 Earl of Terence Patrick B. Galway Mayo Process for the production of a composite building panel consisting of a marble layer and a reinforcing layer
US4301202A (en) * 1978-06-26 1981-11-17 Baltek Corporation Technique for converting balsa logs into panels

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298892A (en) * 1963-12-06 1967-01-17 Balsa Ecuador Lumber Corp Trussed sandwich laminates
DE1659179B2 (en) * 1967-01-19 1981-06-11 Earl of Terence Patrick B. Galway Mayo Process for the production of a composite building panel consisting of a marble layer and a reinforcing layer
US3616112A (en) * 1969-08-29 1971-10-26 Balsa Dev Corp Balsa wood core in a laminated structural sandwich
US4301202A (en) * 1978-06-26 1981-11-17 Baltek Corporation Technique for converting balsa logs into panels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847835A1 (en) * 1998-10-16 2000-05-04 Konstruktion Holz Werk Seubert Component for the construction of wood buildings and bridges is a wood slab of adjacent wood beams with an outer covering of a mineral material for mechanical strength with good ecological qualities
WO2004051023A1 (en) * 2002-12-04 2004-06-17 Onesimo D Avila Marcos Method introduced in granite or marble reinforced by rigid substratum and alike

Also Published As

Publication number Publication date
FI94887C (en) 1995-11-10
FI94887B (en) 1995-07-31
FI942555A0 (en) 1994-05-31
AU2569095A (en) 1995-12-21

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