Timber based panel composed of board-type construction members

FIELD: construction, particularly building elements of relatively thin form for the construction of parts of buildings.

SUBSTANCE: panel comprises timber base formed of parallel board-like construction members. Timber base has at least two construction members. Each construction member is formed of two boards obtained by log sawing and includes at least partial wane sections. The boards are laid one onto another and are glued with each other so that narrow facial surfaces thereof rest one upon another.

EFFECT: decreased weight.

4 dwg

 

The present invention relates to a panel having a wooden base, formed from structural elements in the form of boards placed side by side, parallel to each other.

The present invention is the creation of a panel that has a wooden base that contains structural elements in the form of boards, which are relatively light and stable in size, and which allow the use of sawn boards, and referred to the Board, in turn, are those that provide improved output sawing obtained by sawing the logs, and, in some cases, provide an opportunity suitable for sawing boards to use logs of smaller diameter, which otherwise would serve as pulpwood.

According to the invention, this is achieved by means of a Board, which has the type described through the introduction, and which is characterized by the fact that the wooden base contains at least two made in the form of a Board of building elements, each of which is made of two planks sawn from a log, and is at least partially left plots the wane edge, and the said Board is placed on top of one another and glued together, and their narrow-face against each other.

Below the invention will be described in more detail with reference the Oh to the accompanying drawings, on which:

figa represents an end view depicting the cutting, when the log is cut off in the usual way;

figv corresponds figa, but showing the cutting, when the log is sawn for the manufacture of boards to be used in the construction element, designed for wood panel according to the invention;

figure 2 represents an end view, depicting two boards, obtained by sawing the logs, as shown in figv;

figure 3 represents an end view depicting the construction element, made of two boards, shown in figure 2;

figure 4 represents an end view depicting one example having features of the invention panel, which has a basis consisting of two building elements according to Fig 3.

On figa shows the beam 1, sawn through in the longitudinal direction. From a log 1 cut four boards 2a-2d with five longitudinal cuts s1-s5. Under normal technology areas 3a-3d wane edge of these boards 2a-2d are removed by circumcision completely boards by means of edge planing machines, where the Board is sawn along the lines indicated by reference positions 4a-4d on figa, making parts of the wane edge removed.

On FIGU shows the same beam 1 that figa, and a log sawn through and through the same is the procedure in the longitudinal direction for the manufacture of boards 2a-2d. Sawing shown in figv differs from sawing, shown in figa, only the fact that sawing designed to remove the sections 3a-3d wane edge, not made. This leads to better output cut by sawing according figv than when cutting according figa.

Figure 2 and 3 shows, as done in the form of a Board construction element 5 is made by means of two boards 2A and 2d, which are made using the method shown in figv, that is, who have left the fate of the wane edge, respectively, 3a and 3d. Thus, these boards 2a and 2d have a wide front surface 6a and 6d, respectively, and a narrow front surface 7a and 7d, respectively. The last of the front surface 7a and 7d sostragivajut, then put glue on at least one of them. Then boards 2a and 2d are placed one over the other, their narrow front surface 7a and 7d are turning to each other to obtain the completed Board construction element 5 consisting of two boards 2A and 2d, which are glued together.

If necessary or desirable, the front surface 6a and 6d construction element 5 can be sliced, and the lateral surface of the brim - shaped, to obtain the desired profile. In particular, for such a profile, it is desirable to have planed plot 8a, 8d, located perpendicular to the two leavy the surfaces 6a and 6d construction element 5 (see figure 4). The above profile may also have planed plot (not shown), which passes obliquely relative to the two outer surfaces 6a and 6d.

Construction element 5 is easier than the corresponding element in the construction of the same thickness and width, which is made of two boards made by cutting according figa. This is due to the fact that the construction element 5 has at its lateral edges of the recesses 9, as limited by sections 3a and 3d wane edge. In addition, the construction element 5 is very stable in size due to the fact that narrow front surface 7a and 7d boards are connected together, and this means that the arcuate sections 10a and 10d of annual rings in these two boards are curved in opposite directions. Thus, when the boards 2a and 2d of the changes of moisture, they tend to shift (to bend) in opposite directions, so that the tendency to shift balance each other.

The panel 11, as shown in figure 4, has a base, which is formed of two building elements 5 according to figure 3, arranged side by side, parallel to each other. Construction elements 5 are located next to each other, planed sections 8a and 8d rest against each other. These two construction elements 5 attached to the upper surface of layer 12 and the lower surface layer 13, predpochtite is correctly using bonding.

The panel, which has a wooden base, made of building elements (5) in the form of boards placed side by side, parallel to each other, characterized in that the wooden base contains at least two made in the form of Board construction element (5), each of which is made of two boards (2A, 2d), sawn from a log (1), and is at least partially abandoned areas (3A, 3d) the wane edge, while the boards are on top of one another and glued together, with their narrow the front surface (7a, 7d) rest against each other.



 

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Wall // 2032800

FIELD: construction, particularly building elements of relatively thin form for the construction of parts of buildings.

SUBSTANCE: panel comprises timber base formed of parallel board-like construction members. Timber base has at least two construction members. Each construction member is formed of two boards obtained by log sawing and includes at least partial wane sections. The boards are laid one onto another and are glued with each other so that narrow facial surfaces thereof rest one upon another.

EFFECT: decreased weight.

4 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to woodworking industry and may be used for making slats. Said composition includes for inner layer 10-40% of rotten blank waste chips and 20% of wastes after roundup lumber chips as well as 40-70% of chips produced from pulp chips of PS grade with the help of binder based on low-molecular urea-formaldehyde resin and emulsion. Note here that said binder consists of low-molecular urea-formaldehyde resin of 60-62% concentration and aqueous solution of ammonia chloride of 20% concentration. Emulsion consists of the following components, in wt %: paraffin - 21, brown coal wax - 14, emulsifier - 1, water - 64.

EFFECT: lower material input, power savings, higher efficiency of equipment, lower toxicity.

1 tbl, 1 ex

FIELD: construction.

SUBSTANCE: invention relates to a lightweight construction slab, in compliance with the restrictive part of paragraph 1 of the claim, to the use of lightweight construction slab to create the building shell, in compliance with the restrictive part of paragraph 10 of the claim; and to the method of manufacturing the lightweight construction slab, in compliance with the restrictive part of paragraph 11 of the claim. A lightweight construction slab (100) with a rectangular base shape and flatly interconnected layers (01, 02, 03, 04 …), each of which is formed by a plurality (20) of boards (2). The boards (2) of each layer (01, 02, 03, 04, …) on their lateral surfaces are connected with one another on the sides and on at least one principal surface (205, 205') have a plurality of grooves parallel to one another. The boards of the first and the second layer (01, 02) are oriented at a first acute angle (+α, -α) from 25 to 60° with respect to the longitudinal side surfaces (200, 200') of the lightweight construction slab (100). The boards (2) of the first layer (01) are oriented with respect to the boards (2) of the second layer (02) at an angle (2α). The lightweight construction slab (100) on at least two longitudinal lateral surfaces (101, 101') parallel to each other has at least one connecting tongue (102) and a connecting ridge (102') interacting with it with the form closure, for connecting with the form closure on both sides with lightweight construction slabs (100) made in the same manner. Wherein the boards of at least one layer are connected at the sides to one another with the form closure through the tongue (202) and the ridge (202), and the boards (2) of at least one layer (01, 02) located in the middle stratum (Ml) on both sides (205, 205') or, respectively, on both main surfaces (205, 205') are equipped with a first and a second plurality of grooves (3, 3') crossing one another at angles (γ) from 5 to 100°, the grooves of each plurality passing parallel to one another. The application of a lightweight construction slab and the method for manufacturing a lightweight construction slab are also described.

EFFECT: finding a simple solution, by means of which it is possible to make lightweight construction slabs having no tensions, if possible, with a sufficiently high elasticity and a high residual strength at strong bending; the possibility for applying the lightweight construction slabs in buildings in places subject to earthquake hazards should be ensured.

13 cl, 19 dwg

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