Panel

 

(57) Abstract:

The invention relates to the construction, namely, fence panels with honeycomb filling, mainly from wood. The panel consists of a frame, panels, elements, padding, made in the form of bars with a length to width ratio equal to 15 to 30. The bars are connected in the form of regular three-pointed stars on the valve, passing through their center. This embodiment can significantly reduce consumption while maintaining sufficient load bearing capacity. 3 C.p. f-crystals, 5 Il.

The invention relates to the construction, namely the construction of fence panels with honeycomb filling.

The closest known is the panel, including tying in the form of a frame, a plate and fill units.

A disadvantage of the known panel limited the scope of use, based on the implementation of honeycomb foil.

The purpose of the invention the expansion of the scope and performance.

This is achieved by the fact that in the panel, including tying in the form of a frame, a plate and fill units, the latter is made of bars, radially located the Cove connected to respective end faces located in the same plane of the bars adjacent items to fill in or adjacent to the panels, moreover, the ratio of length to width of each bar is 15-30. While the bars of each element filling the interconnected ends of the ribs to form between them a Central hole. Through the Central openings arranged one behind the other elements fill the missing fittings, and the elements are arranged with a gap between them and the ends of the bars are made beveled edges forming, in terms of the Central angle is equal to 120about.

In Fig.1 shows a cross-section of the panel, with one row of elements filling; Fig. 2 is the same, with several rows of elements filling; Fig. 3 a view of the top panel, the arrangement and connection of elements filling; Fig.4 site connection bars beveled edges; Fig.5 the connection node of bars with reinforcement.

The panel consists of tying in the form of a frame 1, sheet 2 of the casing, the filling elements 3 made of bars 4 and connected by a valve 5, which may be triangular or round cross-section 6-section 7. The bars are made mainly from wood with a length to width ratio determined experimentally and the components of 15-30. The ends of the bars 4 may be performed in connection with the bevels 8 at an angle, raniidine with the cell filled with the layout and fill valve, the corresponding design model represents the greatest lightweight design, reliable in operation and is characterized by a low consumption.

1. The PANEL, including tying in the form of a frame, a plate and fill units, characterized in that the elements of the filling is made of bars, radially arranged and connected one of the ends with the formation of the correct three-pointed stars, and the other ends of the bars are connected with the respective end faces located in the same plane of the bars adjacent items to fill in or adjacent to the plate, and the ratio of length to width of each bar is 15 to 30.

2. The panel p. 1, characterized in that the bars of each element filling the interconnected ends of the ribs to form between them a Central hole.

3. The panel on the PP. 1 and 2, characterized in that it is provided with valve, passed through the center hole located one behind the other elements fill located with a gap between them.

4. The panel p. 1, characterized in that the ends of the bars are made beveled edges forming in terms of the Central angle of the 120o.

 

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FIELD: mechanical engineering.

SUBSTANCE: method comprises joining members through the intermediate layer made of unwoven synthetic cloth provided with glue on its surface. The glue is applied by strips.

EFFECT: enhanced strength of joining.

1 dwg

FIELD: processes for repairing laminate articles having different-structure layers, namely noise suppression apparatuses, articles having first and second facings separated by intermediate layer such as honeycomb panels.

SUBSTANCE: method comprises steps of introducing adhesive into zones of exfoliation of facing from honeycomb filler; making fastening member of wire piece and preliminarily imparting to it П-shaped configuration; introducing free ends of П-shaped fastening member in openings for fixing them at tightness; in addition arranging bearing plate on supporting facing and drilling in said plate openings for ends of wire fastening member while aligning openings of plate with openings drilled in panel.

EFFECT: possibility for repairing acoustic honeycomb panel without significant changes of its constructional members at minimum declining of operational characteristics of panel and of the whole engine.

9 cl, 13 dwg

FIELD: aircraft industry; production of light volume fillers made out of the laminated materials.

SUBSTANCE: the invention is pertaining to production of light volume fillers made out of the laminated materials for sandwich panels and may be used in production of aircrafts. The filler represents a volumetric construction in the form of a base made out of a polymeric paper and a binding substance applied on its both sides. The paper base of the filler is perforated, and due to that the binding substance layer depth is reduced, and the value of reduction, the number of pinholes of the perforation and their diameter meet the conditions of theformula: where: nholes - a quantity of holes of perforation;dholes - diameter of the holes, ▵b - reduction of the binding substance layer depth, F - the area of the surface of the filler, δp - the base layer depth, ρp - density of the paper base material, ρb - density of the binding substance. The given engineering solution improves profitability of an aircraft.

EFFECT: the invention ensures improved profitability of an aircraft.

4 dwg

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EFFECT: the invention ensures an increased efficiency of the process.

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EFFECT: the invention ensures an increased interlaminar strength along the glue bands of the bulky glass-cellular blocks.

1 tbl, 11 ex

FIELD: chemical industry; methods of production of the laminated structures transformed at stretching into the cellular constructions.

SUBSTANCE: the invention is pertaining to the field of manufacture of cellular constructions on the basis of thermoplastics, in particular, to the field of manufacture by welding of the laminated structures made out of the plane thermoplastic bands capable at stretching to be converted into the cellular construction. The method includes a layer by layer stacking of the bands made out of the plane thermoplastic material, their fixation along the all length under pressure, welding of the upper and the lower bands and chilling. Then it is necessary to conduct the stacking on the package made from two first welded bands in turn of each subjected to laying on the package bands of the same length and to repeat the welding process. At that they exercise in turn motion of the package by a half of the pitch of the package weld seams in any side at welding of an odd band and a return in the initial position at the welding of the even band. At the stacking of the bands made out of the plane thermoplastic material first fix them on the one side edge, limit their shift in width, then stretch them in the longitudinal direction and fix in the stretched state on the bands other side edge. Welding by the weld penetration is exercised during 5-15 seconds with the simultaneous welding of the longitudinal edges without the weld penetration of the bands. Chilling of welding seams first conduct in the open air for 2-4 seconds without pressure, and then - under the same pressure, as the pressure used during welding - for 5-10 seconds with the help of the additionally stacked plate. The invention ensures improvement of the quality of bonding the thermoplastic layers, acceleration of the process of manufacture of a laminated structure and reduction of its prime cost.

EFFECT: the invention ensures improvement of the quality of the thermoplastic layers bonding, acceleration of the process of manufacture of a laminated structure and reduction of its prime cost.

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