EP1965014A1 - Door production method and door thus obtained - Google Patents
Door production method and door thus obtained Download PDFInfo
- Publication number
- EP1965014A1 EP1965014A1 EP06841712A EP06841712A EP1965014A1 EP 1965014 A1 EP1965014 A1 EP 1965014A1 EP 06841712 A EP06841712 A EP 06841712A EP 06841712 A EP06841712 A EP 06841712A EP 1965014 A1 EP1965014 A1 EP 1965014A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- wooden
- framework
- panels
- sheets
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000002023 wood Substances 0.000 claims abstract description 13
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 8
- 229920002522 Wood fibre Polymers 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000010407 vacuum cleaning Methods 0.000 claims 1
- 239000006260 foam Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- 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
- E06B3/70—Door leaves
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
- E06B3/74—Door leaves consisting of frame and panels, e.g. of raised panel type with wooden panels or frame
-
- 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
- E06B3/70—Door leaves
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
- E06B3/725—Door leaves consisting of frame and panels, e.g. of raised panel type with separate hollow frames, e.g. foam-filled
-
- 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
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7023—Door leaves characterised by the filling between two external panels of foam type
Definitions
- This invention refers to a new procedure for the manufacture of doors, specifically for the manufacture of wooden doors, of the type structured using a rectangular perimeter frame, coinciding with the perimeter of the door, to which two sheets of wood are attached which enclose the hollow interior of the door.
- the object of the invention is to allow the interior of the door to be filled with polyurethane foam, to improve both the consistency and the insulation of the door, and more specifically to obtain a perfect adhesion of the aforementioned foam to the wooden structure.
- the procedure which the invention proposes allows the manufacture of hollow wooden doors, filled with polyurethane foam, in optimum conditions of adherence of this foam to the wood.
- the aforementioned procedure consists of introducing the constituent parts of the door, prior to assembly of the same, into a vacuum chamber at a pressure sufficiently low to allow the absorption of the residual dust which might have remained integrated in these wooden pieces.
- the aforementioned pieces Once the aforementioned pieces have been duly cleaned by the effect of the vacuum, they are assembled to obtain the door, into which is injected the polyurethane foam, by any suitable conventional means, achieving perfect adhesion of the foam to each and every one of the wooden pieces, with optimum solidity or structural rigidity for the door and its whole.
- a door obtained with the invention procedure is a door with a wooden perimeter frame, to which are suitably fixed two panels or sheets, also made of wood or synthetic laminate, forming a flat, enclosed prismatic-rectangular receptacle, the interior of which is wholly occupied by polyurethane foam.
- the invention procedure is applicable to wooden doors formed of a framework consisting of a perimeter surround or frame based on vertical posts (1) and horizontal crosspieces (2), optionally assisted by intermediate crosspieces, not represented in the aforementioned figure (1 ), generally with a substantial reinforcing block (3) at the level where the lock is to be installed and to house the latter, with this framework (1-2) complemented with a pair of panels or sheets of wood, wood fibre or synthetic laminates (4-4'), of reduced thickness, interconnected via the framework itself (1-2) and forming the largest visible faces of the door.
- the invention procedure consists of subjecting both the framework (1-2) and the panels or sheets (4-4'), inside a vacuum source, to a pressure sufficiently low for all the residual dust which might impregnate these pieces of wood to be separated from the same, with the latter remaining perfectly clean, and in conditions where, after the assembly and fixing of the panels (4-4') onto the framework (1-2), as shown in figure 2 , the hollow interior of the door can be filled with a mass of polyurethane foam (5).
- This foam fills the hollow interior completely, adhering perfectly to the internal surfaces of the repeatedly aforementioned wooden pieces, acting moreover as a connecting join between them, giving the door as a whole a great structural solidity, with no appreciable increase in its weight, as well as the insulation properties, both thermal and acoustic, inherent in the material which constitutes its core, i.e. the polyurethane foam.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
Specially designed for wooden doors structured from a framework which is configured by a rectangular frame coinciding with the perimeter of the door, to which are fixed two wooden panels or sheets (4-4') of reduced thickness, forming an initially empty internal chamber, the invention procedure consists of subjecting the aforementioned pieces of wood to a vacuum process, inside a vacuum chamber with a pressure sufficiently low to ensure the detachment of the wood dust residues adhering to the faces of the aforementioned pieces, after which the door is assembled and its hollow interior filled with a mass (5) of polyurethane foam, which adheres closely to interior surface of the aforementioned wooden pieces, acting as a connecting join between them and giving the door as a whole a notable structural solidity.
Description
- This invention refers to a new procedure for the manufacture of doors, specifically for the manufacture of wooden doors, of the type structured using a rectangular perimeter frame, coinciding with the perimeter of the door, to which two sheets of wood are attached which enclose the hollow interior of the door.
- The object of the invention is to allow the interior of the door to be filled with polyurethane foam, to improve both the consistency and the insulation of the door, and more specifically to obtain a perfect adhesion of the aforementioned foam to the wooden structure.
- Although solid wooden doors exist, their high cost means that very frequent use is also made of hollow wooden doors, made of a perimeter frame, with reinforcement or thickening at the level where the lock is installed, with this frame allowing the insertion of one or more cross-pieces and the door being completed in all cases with a pair of thin wooden panels, generally of a thickness between 1 and 3 millimetres, which constitute the visible faces of the door and which are interconnected by means of the aforementioned frame, and, when installed, the intermediate cross-pieces.
- The aforementioned wooden panels tend to become deformed, which is why use is generally made of cellular cardboard structures, which fill the hollow interior of the door and which act as connecting links affecting the whole surface of the exterior wooden panels, preventing them from moving, and to which they are generally fixed using adhesive.
- This solution is complicated and unsatisfactory, and it is much more practical to fill the hollow interior of the door with polyurethane foam, as for example is done in hollow metal panel doors.
- Until now it has not been possible to use polyurethane foam in hollow wooden doors, due to the fact that there is practically no adhesion between the polyurethane and the wood, which means that the core of foam only acts as a means of contention against forces which tend to deform the wooden panels of the door inwards, but allows the free deformation of the same outwards, with frequent formation of "pockets", which have a very negative repercussion on the aesthetics of the door, and make them practically unacceptable.
- This problem of lack of adhesion, which not only occurs between the polyurethane foam and the panels or sheets of wood which correspond to the largest faces of the door, but also with regard to the battens which configure the perimeter of the same and which connect the aforementioned panels, is due to the fact that, during the machining of all the wooden elements, a large quantity of dust is generated. A considerable part of this dust remains incrusted on the surface of the wooden pieces, and when the foam is applied it adheres to the dust and this dust then constitutes a barrier between foam and wood, which prevents direct, solid fixing between these elements, which would be necessary for the door to have the required mechanical consistency.
- The procedure which the invention proposes allows the manufacture of hollow wooden doors, filled with polyurethane foam, in optimum conditions of adherence of this foam to the wood.
- For this to occur, and more specifically, the aforementioned procedure consists of introducing the constituent parts of the door, prior to assembly of the same, into a vacuum chamber at a pressure sufficiently low to allow the absorption of the residual dust which might have remained integrated in these wooden pieces.
- Once the aforementioned pieces have been duly cleaned by the effect of the vacuum, they are assembled to obtain the door, into which is injected the polyurethane foam, by any suitable conventional means, achieving perfect adhesion of the foam to each and every one of the wooden pieces, with optimum solidity or structural rigidity for the door and its whole.
- Logically, a door obtained with the invention procedure is a door with a wooden perimeter frame, to which are suitably fixed two panels or sheets, also made of wood or synthetic laminate, forming a flat, enclosed prismatic-rectangular receptacle, the interior of which is wholly occupied by polyurethane foam.
- To complement the description being made, and in order to assist with a greater understanding of the characteristics of the invention, in accordance with a preferred example of practical embodiment of the same, included as an integral part of the aforementioned description is a set of diagrams in which, with illustrative and non-restrictive character, the following has been represented:
-
Figure 1 . ― Shows, according to a schematic representation in perspective, the basic elements of a conventional, hollow wooden door, duly broken down into its parts. -
Figure 2 . ― Shows a cross-sectional detail of the door in the previous figure, duly finished after the application of the invention procedure. - In view of the described figures, and particularly
figure 1 , it can be observed that the invention procedure is applicable to wooden doors formed of a framework consisting of a perimeter surround or frame based on vertical posts (1) and horizontal crosspieces (2), optionally assisted by intermediate crosspieces, not represented in the aforementionedfigure (1 ), generally with a substantial reinforcing block (3) at the level where the lock is to be installed and to house the latter, with this framework (1-2) complemented with a pair of panels or sheets of wood, wood fibre or synthetic laminates (4-4'), of reduced thickness, interconnected via the framework itself (1-2) and forming the largest visible faces of the door. - In accordance with this structuring, the invention procedure consists of subjecting both the framework (1-2) and the panels or sheets (4-4'), inside a vacuum source, to a pressure sufficiently low for all the residual dust which might impregnate these pieces of wood to be separated from the same, with the latter remaining perfectly clean, and in conditions where, after the assembly and fixing of the panels (4-4') onto the framework (1-2), as shown in
figure 2 , the hollow interior of the door can be filled with a mass of polyurethane foam (5). This foam fills the hollow interior completely, adhering perfectly to the internal surfaces of the repeatedly aforementioned wooden pieces, acting moreover as a connecting join between them, giving the door as a whole a great structural solidity, with no appreciable increase in its weight, as well as the insulation properties, both thermal and acoustic, inherent in the material which constitutes its core, i.e. the polyurethane foam.
Claims (2)
- Procedure for manufacture of doors, specifically hollow wooden doors, of the type constituted by means of a framework which configures a perimeter frame to which are attached two panels or sheets, also of wood, wood fibre or synthetic laminates, forming the visible faces of the door. The procedure is characterised because it consists of introducing the aforementioned wooden framework (1-2), either in pieces or after assembly, together with the wooden panels or sheets (4-4') which constitute the main faces of the door, inside a vacuum chamber where these pieces of wood are subjected to a pressure sufficiently low to produce in the same the complete removal of the residual wood dust which initially impregnated their surfaces. After this vacuum cleaning phase, the wooden structure of the door is definitively assembled and the hollow interior of the same filled with a mass (5) of polyurethane foam which adheres closely to the corresponding surfaces of the framework (1-2) and the panels or sheets (4-4').
- A door obtained with the procedure in the first claim, characterised because it incorporates a framework which takes the form of a rectangular frame based on a pair of vertical posts (1) and a pair of horizontal crosspieces (2), with one of the vertical posts having a reinforcement (3) for insertion of a lock, and the aforementioned framework (1-2) complemented with a pair of wooden sheets or panels (4-4'), of reduced thickness, which are joined to each other with interposition of the aforementioned surround or framework configuring a completely enclosed chamber occupied by a mass of polyurethane foam (5) closely fixed to the internal surfaces of the framework (1-2) and the panels or sheets (4-4').
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200503123A ES2286930A1 (en) | 2005-12-20 | 2005-12-20 | Door production method and door thus obtained |
PCT/ES2006/000659 WO2007071801A1 (en) | 2005-12-20 | 2006-11-27 | Door production method and door thus obtained |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1965014A1 true EP1965014A1 (en) | 2008-09-03 |
Family
ID=38188296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06841712A Withdrawn EP1965014A1 (en) | 2005-12-20 | 2006-11-27 | Door production method and door thus obtained |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1965014A1 (en) |
ES (1) | ES2286930A1 (en) |
WO (1) | WO2007071801A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2956504A1 (en) * | 2010-02-15 | 2011-08-19 | Polytech | Joinery marking method for door of structure, involves placing marking device utilized for recording identification code and allowing remote transmission of code towards receiving unit, in inner volume of frame, during assembling of frame |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103742048B (en) * | 2013-12-20 | 2016-08-17 | 西安交通大学 | Foam aluminium sandwich door-plate |
CN105888474A (en) * | 2016-04-26 | 2016-08-24 | 陈铁保 | Method for producing wooden door plank, wooden door plank and wooden door |
CN107143114A (en) * | 2017-06-19 | 2017-09-08 | 湖州南浔柏美木业有限公司 | Timber installs auxiliary adjusting device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1245950A (en) * | 1967-10-20 | 1971-09-15 | Insinooritoimisto A Makinen & | Method for the surface treatment of porous board products |
US4236365A (en) * | 1978-08-25 | 1980-12-02 | Wood Processes, Oregon Ltd. | Rigid building component and method of manufacture |
FI892834A (en) * | 1989-06-08 | 1990-12-09 | Turvakonsultit Oy | FOERFARANDE FOER FRAMSTAELLNING AV EN DOERR SAMT DOERR. |
ES1014889Y (en) * | 1990-07-27 | 1991-11-16 | Tableros Del Sur, S.A. Tablesur | PERFECTED DOOR. |
GB2293853B (en) * | 1994-10-05 | 1997-12-10 | Carroll Building Group | Panel door manufacture |
US5709589A (en) * | 1996-03-29 | 1998-01-20 | Boone; Charles Daniel | Hardwood floor finishing process |
GB2349163A (en) * | 1999-04-19 | 2000-10-25 | Epwin Group Plc | Doors and door assemblies |
US6389768B1 (en) * | 1999-07-27 | 2002-05-21 | The Stanley Works | Molded plastic door skin |
-
2005
- 2005-12-20 ES ES200503123A patent/ES2286930A1/en active Pending
-
2006
- 2006-11-27 WO PCT/ES2006/000659 patent/WO2007071801A1/en active Application Filing
- 2006-11-27 EP EP06841712A patent/EP1965014A1/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2007071801A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2956504A1 (en) * | 2010-02-15 | 2011-08-19 | Polytech | Joinery marking method for door of structure, involves placing marking device utilized for recording identification code and allowing remote transmission of code towards receiving unit, in inner volume of frame, during assembling of frame |
Also Published As
Publication number | Publication date |
---|---|
WO2007071801A1 (en) | 2007-06-28 |
ES2286930A1 (en) | 2007-12-01 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20080613 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20100601 |