EP2055455A1 - Method for manufacturing lamellae for floors - Google Patents

Abstract

The method involves manufacturing lamellas (3) from a timber material by dividing an elongated block shaped frieze using a cutting device, and attaching the lamellas to a floor base. Plates made of timber material are connected with each other in two plate planes on flat sides that are turned and adjacent to each other before cutting the lamellas from the frieze. Dimensions of a multilayered plate block are greater than the dimensions of the frieze. The frieze is cut from the plate block transverse to the plate planes and divided into lamellas transverse to the plate planes. Independent claims are also included for the following: (1) a method for manufacturing a frieze (2) a floor comprising a floor base.

Description

The invention relates to a method for producing planks according to the preamble of claim 1 and to a method for producing a frieze according to the preamble of claim 2.

For the production of lamellas for planks, parquet elements or similar disc-shaped elements for coverings, in particular floor coverings, it is known from practice that these elements are produced from a prefabricated block of predetermined dimensions, a so-called frieze. The frieze is fed to a cutting device, which is usually a sawing device, wherein the frieze is then cut or sawn into a corresponding number of the disk-shaped elements. The disc-shaped elements obtained are then used depending on the intended use, for example, as lamellae for the cover layer for a plank, wherein the lamellae are glued to the plank body.

A disadvantage of the known handling is that a relatively high quality starting material must be used for the Frisians. The friezes are made from even larger blocks, which must be tailored according edge. This is a not inconsiderable committee, which affects the total cost of production.

Object of the present invention is therefore to provide methods of the type initially available with which planks and friezes can be produced relatively inexpensively.

The aforementioned object is achieved according to the invention in the method of the type mentioned in that a plurality of plates of at least one wood material arranged in at least two plate planes and connected to each other adjacent flat sides together, so that there is a multilayer plate block. The dimensions of this plate block are several times larger than the dimensions of a frieze. From the plate block, a plurality of friezes are then produced, especially by a cutting process. This is done across the plate planes. In the plank-making method is additionally provided that the frieze is divided transversely to the plate planes in the slats.

The invention is now going for the production of disk-shaped wood-based material elements a completely new way, for the first time instead of a frieze of solid material, a frieze is used, which is composed of interconnected individual slices or plate sections. The frieze itself is made from a much larger block, so that the frieze production is extremely favorable. Such a frieze offers several significant advantages. First of all, it is possible to use individual plates for the production of friezes, which may even be scrap material. It must therefore not necessarily a high quality, relatively thick solid material can be used. This has a corresponding effect on the production costs. In addition, the lamellae made of a frieze according to the invention have a design which differs substantially from the design of known lamellae used in the lining area. For example, while a known lamella has a uniform grain on its entire surface, it is in a lamella produced by the method according to the invention that it has a plurality of juxtaposed, parallel bars of equal length, the individual bars are clearly separated from each other and different May have grains. Ultimately, the invention results in a limited to the respective slats strip pattern, which represents a completely new design especially in the field of planks. In the end, a particularly appealing design always results when all the strips of all the strips point in one direction, in particular in the longitudinal direction of the board.

For producing the plate block and for connecting the individual plates arranged one above the other in the different plate planes, the mutually facing flat sides are glued together / glued together. The terms "gluing" and "gluing" are understood synonymously. It is particularly useful in this context, if a full-surface bonding of the overlapping flat sides is given to ensure that in the later lamella, the individual bars cut from the plates are completely connected to one another.

On the one hand, to be able to utilize as much plate-shaped material as possible, which is often only scrap, the plates and in particular adjacent plates have different colors and / or different thicknesses and / or consist of different wooden materials. By using such different plates, it is possible to achieve different designs of the slats. The plates may have a thickness of greater than 1 mm and are preferably between 2 mm and 30 mm. Moreover, the plate block and thus ultimately the frieze should have more than two plate levels. Preferably, the number of plate levels is between 4 and 40.

Moreover, it may also be appropriate in the present invention to provide at least two plates in a plane of the plate. In this way, smaller remnants can be used on plates. In this case, then the two plates should have at least substantially the same plate thickness in a plane of the plate and preferably abut each other butt-joint.

The plate block and thus also the or the friezes produced therefrom have a thickness or height between 10 and 400 mm, a length between 50 and 1000 mm and a width between 10 and 1000 mm. The concrete dimensions are usually determined by the existing operational cutting device with the friezes can be cut with certain dimensions in terms of height and width.

Due to the cuboid shape of the friezes, the slats produced therefrom have the shape of a flat bar with a rectangular base. The thickness or height of these elements is between 2 and 20 mm, the length between 50 and 1000 mm and the width between 10 and 400 mm.

In addition, the present invention also relates to a frieze made of a wood material, prepared according to the method described above, for the production of lamellas for use in coverings, in particular lamellas for planks, parquet elements and the like.

Furthermore, the present invention relates to a blade of at least one wood material, made of a frieze of the aforementioned type, wherein the blade for use in documents, in particular as a lamella for floorboards, parquet element or the like is provided.

It is understood that the aforementioned frieze and the aforementioned lamella can have all the above features accordingly.

Finally, the present invention relates to a plank with a plank base body and an upper, a plurality of lamellae-comprising cover layer, wherein the cover layer has at least one row with a plurality of successively arranged lamellae.

According to the invention, it is now provided in this floorboard that each lamella has as a self-contained rectangular unit a plurality of juxtaposed bars each having the same length. Although it is advisable to produce the lamella according to the aforementioned method, it is in principle also possible to produce individual rods of the same length and thickness and the same or different width, which are each connected to form a lamella of predetermined dimensions.

In order to clarify the design effect resulting from the present invention more strongly and since, taking into account the possibilities of the known cutting devices, the dimensions of friezes, in terms of width and height are limited, the invention provides that between 2 and 10 juxtaposed rows of fins are provided in a hallway. The slats in adjacent rows are preferably arranged offset from one another, which improves the aesthetic impression of a flooring produced from the floorboards.

It is expressly pointed out that the intervals given above include all individual values also in the range of decimal places, and these are considered to be essential to the invention, even if these individual values are not mentioned in detail.

Fig. 1

eine perspektivische Ansicht eines aus dem Stand der Technik bekannten Frieses aus Vollmaterial,

Fig. 2

eine perspektivische Ansicht einer aus dem Stand der Technik bekannten Lamelle, hergestellt aus dem Fries gemäß Fig. 1,

Fig. 3

eine perspektivische Ansicht eines Plattenblocks zur Herstellung erfindungsgemäßer Friesen,

Fig. 4

eine perspektivische Ansicht eines erfindungsgemäßen Frieses, hergestellt aus dem Plattenblock gemäß Fig. 3,

Fig. 5

eine perspektivische Ansicht einer erfindungsgemäßen Lamelle, hergestellt aus dem Fries gemäß Fig. 4,

Fig. 6

eine Draufsicht auf eine erfindungsgemäße Diele,

Fig. 7

eine Vorderansicht der Diele aus Fig. 6 und

Fig. 8

eine Seitenansicht der Diele aus Fig. 6.

Other features, advantages and applications of the present invention will become apparent from the following description of embodiments with reference to the drawings and the drawing itself. It shows

Fig. 1

a perspective view of a known from the prior art frieze of solid material,

Fig. 2

a perspective view of a known from the prior art blade made of the frieze according to Fig. 1 .

Fig. 3

a perspective view of a plate block for producing inventive Frisians,

Fig. 4

a perspective view of a frieze according to the invention, made from the plate block according to Fig. 3 .

Fig. 5

a perspective view of a blade according to the invention, made of the frieze according to Fig. 4 .

Fig. 6

a plan view of a hall according to the invention,

Fig. 7

a front view of the hallway Fig. 6 and

Fig. 8

a side view of the hallway Fig. 6 ,

In Fig. 1 is a belonging to the prior art Fries a shown. The frieze a is made of a solid wood material and has approximately the shape of a horizontal bolt. The frieze a is used to make lamellae b, as in Fig. 2 are shown. For this purpose, the frieze a is sawn parallel to its flat sides. From a frieze a, a plurality of fins b can be produced. It should be noted in this context that the Fig. 1 and 2 are not to scale.

In Fig. 3 For example, a multilayer panel block 1 is shown which is used to make a plurality of beads 2 as shown in FIG Fig. 4 shown, serves, from which in turn slats 3, as in Fig. 5 shown to be produced. The plate block 1 has a plurality of stacked plates 4 in each plate plane, so that the plate block 1 has a corresponding number of plate planes. Adjacent plates 4 are fixedly connected to each other on facing flat sides 5. The individual plate planes run parallel to the flat sides 5.

Dash-dotted is indicated that a plurality of friezes 2 can be produced from the plate block 1, it being understood that the plate block 1 can basically correspond to a frieze 2. From the in Fig. 4 shown frieze 2 then a plurality of fins 3 are produced. The individual lamellae 3 are separated from the frieze 2 transversely to the plate planes or the flat sides 5, so that each of the lamellae 3 produced therefrom ultimately has a number of bars 6 corresponding to the number of plate planes,

The individual plates 4 of the plate block 1 are glued or glued together over their flat sides 5 facing each other over the entire surface. By full-surface gluing ensures that the individual rods 6 are securely connected together in the later produced slat 3 in the longitudinal direction.

Not shown is that adjacent plates 4 have at least different colors. Also, adjacent plates 4 may have different thicknesses and / or consist of different wood materials. It then results that the rods 6 are formed correspondingly different in the lamella 3. It is understood that, for example, 18 plates 4 in the plate block 1 six different plates 4 can be used one behind the other, this then three times recurring. However, any arrangements are possible.

In the illustrated embodiment, plates 4 have been used with a thickness between 3 and 4 mm. The plates 4 each have the same plate thickness. The plate block 1 and thus also the frieze 2 each have 18 Plate levels. The thickness D or height of the plate block 1 and thus also of the frieze 2 is between 60 and 80 mm. In the present case, the frieze 2 has an approximately square cross-sectional shape, so that the width B corresponds approximately to the thickness H. However, it is understood that the frieze 2 may have a much greater width B than height H. The length L of the frieze 2 is presently between 350 to 500, specifically at 440 mm.

In the illustrated embodiment, it is always the case that only one plate 4 is provided in a plane of the plate. However, it is in principle possible to provide two plates in a plate plane next to each other, which have the same thickness and butt against each other.

The frieze 2 is, as this particular from Fig. 4 results in a cuboid block, wherein the individual cut plate sections each have the same length and the same width, which corresponds to the length L and the width B of the frieze 2. Ultimately, it is therefore the same size, stacked and interconnected rechtkkige plate sections that are glued together or glued together.

Since the lamellae 3 have been separated from the frieze 2 transversely to the plane of the plate, the length of a lamella 3 corresponds to the length L of the frieze 2, while the width of the lamella corresponds to the thickness D or height of the frieze 2. The thickness or height of the blade 3 is presently between 3.5 and 4 mm.

In the Fig. 6 to 8 a hallway 7 is shown. The floorboard 7, which is intended for a floor covering, but can also be used as a wall or ceiling covering, has a floorboard body 8, on the upper side of which there is a covering layer 9. In the illustrated embodiment, the plank base 8 has a central layer 10 and a lower-side counter-pull 11, so it is multi-layered. In the embodiment shown here, the central layer has a thickness of about 7.9 mm, while the counter-tension 11 has a thickness of about 2.5 mm. The cover layer 9 is composed of lamellae 3 of the aforementioned type, which abut each other end to end and side by side. In the illustrated embodiment, three rows R are provided with lamellae 3, wherein the middle row R, which is the arrangement the lamellae 3 is offset relative to the two outer rows R, namely, by a half lamellae length.

Incidentally, it is in the illustrated embodiment so that the lamellae 3 of the middle row R have a greater width than the lamellae 3 of the two outer rows. It is understood that in principle it is also possible to choose equal widths. Also, it is possible in principle, the widths of all rows are different.

In the illustrated embodiment, the plank length corresponds to the length of 2.5 fins. It is understood, however, that longer or shorter planks 7 can be used. Also, more than 2.5 fins 3 per row R can be provided.

At an end face and at a long side, the floorboard 7 has protruding connecting areas 12, 13, which correspond to corresponding connecting areas (not shown) on the opposite sides. By means of these connection regions 12, 13, adjacent planks 7 can be connected to one another in a simple manner.

The production of in Fig. 6 Plank shown is such that the individual slats 3 are glued or glued on the top of the plank base 8, so that ultimately the in Fig. 6 shown strip pattern due to the plurality of bars 6 per slat 3 results.

LIST OF REFERENCE NUMBERS

a

Fries (prior art)

b

Slat (prior art)

1

disk block

2

frieze

3

lamella

4

plate

5

flat side

6

Rod

7

hall

8th

Plank round body

9

topcoat

10

center position

11

return

12

connecting area

13

connecting area

B

width

D

thickness

L

length

R

line

Claims (15)

A method of producing planks (7), wherein each plank (7) has a plank base (8) and an upper cover layer (9) having a plurality of elongated lamellae (3), the cover layer (9) having a plurality of parallel rows (R) having a plurality of successively arranged, abutting joints (3), wherein blades (3) by dividing an elongated block-shaped frieze (2) made of at least one wood material by means of a cutting device and applied to the plank base (8) .
characterized,
in that prior to cutting the lamellae (3) out of the frieze (2), a plurality of plates (4) of at least one wood material are joined together in at least two plate planes on adjacent flat sides (5), so that a multilayer plate block (1 ) whose dimensions are several times larger than the dimensions of a frieze (2), that a plurality of friezes (2) are cut across the plate planes from the plate block (1) and that the frieze (2) is transverse to the plate planes is divided into the slats (3). Method for producing a frieze (2) from at least one wood material for producing lamellae (3) for use in coverings, in particular for planks (7), parquet or the like,
characterized,
in that a plurality of plates (4) of at least one wood material are joined together in at least two plate planes on mutually facing adjacent flat sides (5), so that a multilayer plate block (1) is produced whose dimensions are several times greater than the dimensions of one Frieze (2) and that from the plate block (1) a plurality of friezes (2) are cut transversely to the plate planes. A method according to claim 1 or 2, characterized in that the plates (4) and in particular adjacent plates (4) via their facing each other Flat sides (5) glued together, in particular glued over the entire surface. Method according to one of the preceding claims, characterized in that the plates (4) and in particular adjacent plates (4) have different colors and / or different thicknesses and / or consist of different wood materials. Method according to one of the preceding claims, characterized in that the plates (4) have a thickness of greater than 1 mm and in particular between 2 and 30 mm. Method according to one of the preceding claims, characterized in that the plate block (1) has more than two and in particular between 4 and 40 plate planes. Method according to one of the preceding claims, characterized in that at least two plates (4) are provided in at least one plate plane. Method according to one of the preceding claims, characterized in that the frieze (2) has a thickness (D) between 10 mm and 40 mm and / or a length (L) between 50 mm and 1000 mm and / or a width (B) between 10 mm and 1000 mm. Method according to one of the preceding claims, characterized in that the lamellae (3) have a rectangular base area. Method according to one of the preceding claims, characterized in that the lamellae (3) are cut to a thickness between 2 mm and 20 mm and / or a length between 50 mm and 1000 mm and / or a width between 10 mm and 400 mm. Frieze (4) of at least one wood material, produced by the method according to one of the preceding claims, for the production of lamellae (3) for use in coverings, in particular for floorboards, parquet or the like. Slat (3) of at least one wood material, made of a frieze according to claim 11, for use in coverings, in particular slats for a hallway, parquet element or the like. A plank (7) comprising a plank base (8) and an upper cover layer (9) having a plurality of elongated lamellas (3), the cover layer (9) having a plurality of parallel rows (R) with a plurality of successively arranged abutments Each slat (3) has a plurality of juxtaposed rods which are aligned in the longitudinal direction of the board (7), produced by a method according to one of the preceding claims. Board according to claim 13, characterized in that between 2 and 10 rows (R) of lamellae (3) are provided. Board according to claim 13 or 14, characterized in that the lamellae (3) in adjacent rows (R) are arranged offset to one another.

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