Window element to be fitted in structural part and method of fitting said window element in structural part

FIELD: transport.

SUBSTANCE: invention relates to window element and method of fitting said element into aircraft structural part. Window element prepared for painting by masking comprises window frame to be jointed with structural part in window opening, and window assembly with inner window glass, outer window glass and sealing section enveloping both. Window assembly is arranged between retainer and window frame by fasteners to secure window assembly on window frame. Sealing section has inclined outer surface. Window frame has inclined inner surface to adjoin sealing section inclined outer surface. Both said inclined surfaces ensure self-centring of window assembly in window frame. Window element comprises protective means partially closing outer window glass and protective band enveloping said protective means. First section of protective band covers edge of protective means while second section is located on sections between outer and inner inclined surfaces. Proposed methods comprises fitting window element into structural part opening, painting structural part and removing protective band and means.

EFFECT: ease of painting.

17 cl, 3 dwg

 

The invention relates to a window element to be inserted into the window opening in the skin of the aircraft, with the window element through a mask prepared for painting. In addition, the invention relates to a method of embedding a window into the structural part.

Known window elements after installation in window openings in the fuselage of the aircraft, as a rule, paint in the color of the actual aircraft. For this purpose requires a complex procedure mask window frame and/or the surface of the window film and/or adhesive tapes to avoid undesired contamination of the surfaces of the window in the painting process. In this regard, apply adhesive tape and/or adhesive film, which, after completion of the painting process can be removed without residue from the masked surfaces of the fuselage. In addition, adhesive tape/adhesive film may be damaged during the preparatory cleaning before painting surfaces, and therefore, under certain circumstances, require additional finishing work, such as perekleivanie means of masking or redrawing the contours with the help of cutting plates. For masking can also be used templates, but they also have to be set individually for each window element and oriented to achieve the desired protective effect on creevy the sites. In the case of passenger aircraft, usually with several hundreds of window elements, the preparatory work for the painting to be very time-consuming.

The aim of the present invention is to provide a window element, which has advantages from the point of view of painting operations on the aircraft structure. Another aim of the invention is to provide a method of embedding window in structural detail, primarily in the aircraft design, which lowers the complexity of the painting.

These goals are achieved by means of a window element having the features of independent claim relating to a window element, and the features of independent claim on the way. Additional embodiments of the invention described in paragraphs dependent point on the window element or item on the way.

First of all, according to the invention offers a window frame, which can be connected with part of the casing and structural part.

In addition, the window unit with internal window glass and exterior window glass, which closed covering the circumference of the seal, the seal is covering the circumference of the groove for centering in the window frame, the latch, which can be attached to the window frame by means of fixing elements, in this window the node I is EN between the retainer and the bearing surface of the window frame, and the recess at least in some areas based on the internal edge of the window frame.

Also a protective tool that covers the external window glass, leaving a free edge section, or completely closes it, and covering the circumference of the protective tape, the first section which covers the protective agent, and a second section which extends between the groove and the inner edge of the window frame.

According to the invention after installation in the fuselage of the aircraft window member can be directly painted. The need for preparatory measures, such as the masking of window element is completely eliminated. After completion of the painting process, first of all, removed the protective means, which preferably completely covers the window node from the outside. Then, covering the circumference of the protective tape can be extracted from a gap between the seal groove of the window node and the inner edge of the window frame.

To obtain a solid landing and, thereby, good masking effect, the protective tape is your first plot takes place in the outer region of the outer box, and the second section, which is the first section limits the angle is approximately 90, passes at least in some areas between covering the circumference of the groove seal window site and internally the edge of the window frame.

Preferably, the protective means is a self-adhesive thermoplastic film that can be removed from below it's surface without residue. Protective tape is also a having the form of a tape, self-adhesive thermoplastic film that can be removed or deleted without a trace, neither deterrent nor protective tape does not have the reinforcement fibers. The protective agent may cover the external window glass completely or leaving the free edge of the field.

First of all to ensure the extraction of the protective tape residue used for manufacturing protective ribbon of thermoplastic material should have sufficient mechanical strength to the cut. At the same time, the protective tape should be sufficiently flexible so that it can be applied, if possible, without folds in the area of essentially oval outer contour of the window of the node.

The preferential enhancement of the window element is ensured by the fact that the first area and the second area of the protective tape limit angle of approximately 90.

In the "cutting" of the protective tape or masking tape is achieved particularly dense planting masking window element, and therefore neither the paint nor the spray can not get on the surface of the window element, which is not tliat color.

According to another preferred refinement provides that the protectant covers the protective tape at least in some areas in the outer region of the outer window glass window element.

Due to the fact that extensive protective agent is a continuation of the protective tape, the overlay provides no gap transition between the protective tape and protective tool. In this case, the protective tape is preferably lies on the edge of the protective means. Similarly, it is possible to reverse the sequence between the protective means and the protective tape.

Other preferred improvement of the system disclosed in the other claims.

Shown:

Figure 1: top view of the proposed window element from the outside

Figure 2: cross section of the window element along the line II-II,

Figure 3: cross section of the window element in another embodiment.

Figure 1 shows a top view of the window element, or window package, or window module 1 according to the invention from the outside. Figure 2 for orientation defined by the inner side and outer side In a relatively inserted into the structural part of the window. Next, with respect to the cross-sectional profile of the window frame and profile seal according to the invention the determination is Lena's first party I, the second side II and the first direction D1, passing from the second side II of the first side I.

The window element 1 is fixed in the window opening 2 in the structural parts 3, first of all structural parts such as the fuselage of the aircraft. The window element 1 contains the window frame 4, which is inserted into the window node 5 with internal window glass 9, 30, external window glass 10, 31 and covering the circumference of the sealing profile 11, 32. Internal window glass 9, 30 and outer window glass 10, 31 are inserted at least in one cross-section of the groove of the sealing profile. First of all, in the sealing profile 11 can be provided with two slots so that the internal window glass 9 can be inserted into the first groove and the external window glass 10 is in the second groove. External window glass 10, 31 are located on the exterior And structural parts 3, and the inner window glass 9, and 30 on the inner side In the structural parts 3.

The sealing profile 11, 32 has an outer inclined surface 11b, 32b, directed more or less towards the outside of A. window frame 4, 24 has an inner inclined surface 14b, 29b, directed more or less to the inner side of the Century. First window frame 4, 24 may have a protrusion or lateral part 14C, 29s, extending towards the first side I and having the Yu internal inclined surface 14b, 29b. The sealing profile 11, 32 and the window frame 4, 24 are constructed and arranged so that the outer inclined surface 11b, 32b of the sealing profile 11, 32 at least partially adjacent to the inner inclined surface 14b, 29b of the window frame, and the outer inclined surface 11b, 32b and the inner inclined surface 14b, 29b are designed so that these surfaces provide the centering window of node 5, 25 in the window frame 4, 24. For this purpose, when seen in cross section in figures 2 and 3, the inner inclined surface 14b, 29b is at least part of the inner surface 14C, 29s, extending towards the first side I, and the inner inclined surface 14b, 29b has directed component directed toward the first side I, and the directional component directed toward the outer side of A.

Self-centering slanted surface 11b, 29b and 14b, 29b, respectively, can also be provided sectioned in the longitudinal direction (the direction of the line of sight to the plane of the drawing) of the window frame 4, 24 and the sealing profile 11, 32, respectively.

The edge area 6 of the window node 5, which surrounds the contour of the window node 5 and has an essentially constant width, covered with covering the circumference of the protective tape 7, which is preferably made in the form of trafelet, which can be removed without residue. The surface of window node 5 closed protective means, such as coating or protective sheath 8, primarily in the form of a tear film, which can be removed without residue. The protective coating 8 may be made as wide protective equipment. The protective coating 8, 35 can be made so that it is placed on the outer window glass 10, 31 so that the edge or the surrounding area 10A, 31A of the outer surface of the window glass 10, 31 remains free. Alternatively, the protective coating 8, 35 can be executed and displayed on the exterior of the window glass 10, 31 so that the protective coating 8, 35 completely covers the external window glass 10, 31. Preferably, the protective tape 7 is made in the form of a tear strip which can be removed without residue.

The edge of the surrounding area 10A, 31A of the outer surface of the window glass 10, 31 may be held at a certain distance in the first direction D1 from the farthest edge or the outer edge 10b of the external window glass 10, 31.

Further, on the external window glass part of the protection tape 7 is placed on the flange 6 of the outer surface of the window glass 10, 31 and/or the protective coating 8, 35. The protective tape may have a constant width in its longitudinal direction. Alternatively, the protective tape may have a width, which change is seen along its longitudinal direction. Protective tape can cover the edge 10A, 30A, completely covering the outer edge of the outer window glass, which runs along the outer edge of the outer window glass 10, 31, so that the protective tape covers the outline of the external window glass 10, 31. Alternatively, the protective tape can cover at least one part of the edges 10A, 31A of the outer surface of the window glass 10, 31.

Preferably, the protective coating 8, 35 and the protective tape 7 is placed so that the outer surface of the window glass of the window element 1, which is visible from the outside And completely covered with a protective coating 8, 35 and the protective tape 7.

The protective tape 20, 37 may completely or partially cover the external window glass. Preferably, the protective tape 7 partially covers or overlaps the first portion 20, 37 in the edge area or edge 8A protective equipment 8.

The second section 21, 38 protective tape 20, 37 is located between the outer inclined surface 11b of the sealing profile 11, 32 and the inner inclined surface 14b of the window frame 4, 24.

Covering the circumference of the protective film 7 and the protective agent or protective coating 8 has already been done on the window node 5 of the window element 1 in the process, which may be separate from the painting process. Therefore, after the insertion of a window element 1 in the window opening or the opening 2 structural parts 3, the window element 1 according to the invention can be dyed without additional preparatory measures. Upon completion of the painting process, especially with the windowed site 5 remove the protective coating 8. Then remove the covering around the circumference of the protective tape 7, and the operation colouring completed.

Figure 2 shows a cross section along the line II-II. Window frame 4 secured in the window opening or hole 2. Window frame 4 secured in the window opening 2 structural parts 3 through, for example, surrounding the rivet or screw connection in two rows or gluing.

Window node 5 has an internal window glass 9 and the external window glass 10, which, being uniformly separated from each other, surrounded by a seal 11. The seal or sealing profile 11 contains an outer inclined surface 11b.

In one embodiment, the outer inclined surface 11b may be provided partially or completely covering the circumference of the recess 12 or groove. The outer inclined surface 11b may also consist of two parts, the front part 11a and the rear portion 11d, in transverse section passing at an angle to each other, and above all, which can form in cross section is approximately rectangular geometry. The inner surface of the window frame 4, 24 can also be provided with arena part 14a and the rear part 14d, in transverse section passing at an angle to each other, and, above all, made so that the notch or groove 12 coincides in shape and rests on the inner edge 13 of the window frame, causing the window node 5 is centered in the window frame 4. In this embodiment, the rear portion 11d, 14d can be, first of all, the bearing surfaces, so covering the circumference of the seal 11 of the window node 5 rests on a bearing surface 14d of the window frame 4, wherein the bearing surface has preferably a conical shape, i.e. with a slight slope toward the center of the window opening 2.

Also the front part 11a, 14a and the rear portion 14a, 14d can form an ellipsoidal contour surfaces 11b, 14b.

Window node 5 is attached to the inside on the window frame 4 via at least one fastening element 16, 27, facultative through additional retainer 15. When using the lock 15 lock and window frame 4 is fastened by means of the mounting element 16, which is shown in figure 1 an exemplary embodiment, is made in the form of a bolt 17 with the eye, which is connected to the window frame 4 of the fastening bolts 18 which is directed through the window frame 4 horizontally, that is, approximately parallel to the covering of the fuselage 3. Preferably, the attachment between the holder 15 and the window frame 4 is carried out with the help of p is at least four fasteners, which are approximately evenly distributed around the perimeter of the window frame 4 and the designs correspond to the mounting element 16.

Protective agent or layer 8 extends over the entire surface or area of the external surface of the window glass 10. In one embodiment of the invention, the protective means 8 leaves, first of all, the surrounding regional area 6 free. Protective means 8 may also completely cover the outer window glass 10. Protective agent 8 overlaps with the edge side of the protective tape 7 with the formation area 19 floors, are made so as to prevent formation of a gap and accidental penetration of the paint. Protective tape 7 contains the first transverse portion 20, which in the area of overlapping passes through the protective means 8 and also on the external window glass 10. The second cross-section 21 of the protective tape 7 passes between the inclined surfaces.

The most remote part 11a, 32A of the outer inclined surface 11b, 32b and the most remote part 14a, 29A of the inner inclined surface 14b, 29b may extend in a direction that, in cross section (figures 2 and 3) is directed at an angle of 9015 with respect to the external surface of the external window glass 8, 35 or in relation to the opening 2. Preferably, the remote portion forms an angle more than 90 against the sustained fashion flat section of the rear portion 11d, 32d inclined surface 11b, 32b and the flat section of the rear portion 14d, 29d inner inclined surface 14b, 29b.

Preferably, the second section 21 of the protective tape 7 in the cross-section passes only between the most remote part 11a, 32A of the outer inclined surface 11b, 32b and the most remote part 14a, 29A of the inner inclined surface 14b, 29b.

If there is a groove 12, section 21 of the protective tape 7 may extend into the gap (not specifically designated) between, if it is provided, the groove 12 in the seal 11 window of node 5 and the inner edge 13 of the window frame.

In the embodiment of the invention, in which the second section 21 of the protective tape 7 is not in the area between the bearing parts or rear portions 11d, 32d and correspondingly inclined surfaces 11b, 14b and the seal 11, the capture of the protective tape 7 when docked window node 5 on the window frame 4 is prevented. Secondly, the penetration of paint or spray reliably prevented by means of the profile that is angled approximately 90 relative to the first section 20 of the protective tape 7, the second section 21, which protrudes into the groove 12 of the seal 11, and therefore is covered with the desired color only covering 3 of the fuselage and the outer side 32 of the window frame.

Preferably, the protective means 8 represents a self-adhesive, smooth plastic film, which can b is to be removed from below it's surface without residue. Accordingly, the protective tape 7 is a plastic tape that can be removed from below it's surface without residue. And plastic film, and plastic tape consist of thermoplastic material. Primarily used for the protective tape 7 of thermoplastic material should have sufficient flexibility so that it can be placed in the groove 12 along the contour of the window node 5 without wrinkling. In addition, the plastic material should have sufficient mechanical tensile strength to the protective tape 7 between the seal 11 and the inner edge 13 of the window frame can be removed without residue that is primarily so that there is no scraps.

With protective tape 7 and the protective means 8 external window glass 10 and the rubber seal 11 is completely covered with a protective film during the operation of the color. Therefore, the outer surface 22 of the window frame of the window element 1 according to the invention and a covering 3 of the aircraft can be painted immediately after installation in the desired color without any additional protection measures against accidental or undetermined paint in the area of the window element 1.

Upon completion of the painting operation, the protective tape 7 between the seal 11 and the inner edge 13 of the window frame removed. Then, pull back from the external window glass is 10 and disconnect protective agent 8, that is, self-adhesive plastic film and the outer side 22 of the window frame is completely painted in the desired color.

The window element 1 according to the invention after installation in a window opening 2 of the casing 3 of the fuselage of the aircraft can be painted to the desired color of the fuselage of the aircraft. The need for pre-work before painting, for example time-consuming masking all window elements 1, is completely eliminated. First of all, in the case of large passenger aircraft, often with several hundred window elements, when using the window element 1 according to the invention is formed significant potential savings in terms of preparation for painting.

Figure 3 shows a variant of the window element. Unlike shown in figure 2, the window element 23 includes a window frame 24, having an essentially L-shaped cross-section. Window node 25 is mounted on the window frame 24 by means of a latch 26. The fastening between the retainer 26 and the window frame 24 by using a fixing element 27. In this case, the entire window element 23, preferably, contains at least six fasteners, the design of which corresponds to the fastening member 27 and which are evenly distributed around the perimeter of the window frame 24. In turn, the sash 24 is connected to the casing 28 fuse is age first rivet connection, screw connection or bonding. Window node 25 rests on a bearing surface 29 of the window frame 24, while the bearing surface has a conical shape, i.e. located at a slight angle. Window node 25 has an internal window glass 30 and the outer window glass 31 which is held at a certain distance parallel to the interior, the window glass is closed covering the circumference of the seal 32. The seal 32 is covering the circumference of the groove 33, through which window the node 25 rests on the inner edge 34 of the window frame.

Protective means 35 and partially overlapping it, passing around the circumference of the protective tape 36 are on the outside of the window glass 31 of the window node 25 to ensure the full protection of the window element 24 from paint or spray during spray operations. In turn, the first portion 37 of the protective tape 36 is partially overlaps the protective means 35, which essentially covers the external window glass 31, and located at an angle of 90 to the first section 37 of the second section 38 of the protective tape 36 is held between the inner edge 34 of the window frame and the groove 33. In other respects, the arrangement and location of protective gear 35 and the protective strip 36 corresponds to a location that is already explained in the context of describing figure 2.

And in this case, security is the means 35 used self-adhesive plastic film, which can be removed without residue. Protective tape 36 is a self-adhesive, ribbon-like plastic film that can be removed from below it's surface without residue. She and the other plastic film, preferably, consist of a thermoplastic material without fiber reinforcement.

1. Window element (1, 23), prepared for painting with a mask that contains:
the window frame (4, 24)intended to connect the structural part (3, 28) in the window opening (2), and
window node (5, 25) with internal window glass (9, 30), the external window glass (10, 31) and covering them with sealing profile (11, 32), window unit (5, 25) is mounted between the retainer (15, 26) and a window frame (4, 24) by means of the fastening elements (16, 27) for clamping the window of node (5, 25) on the window frame (4, 24), the sealing profile (11, 32) has an outer inclined surface (11b), and the window frame (4, 24) has an inner inclined surface (14b), which is adjacent to the outer inclined surface (11b) of the sealing profile, and the outer inclined surface (11b) and the inner inclined surface (14b, 29b) are made so that these surfaces provide the centering window node (5, 25) in the window frame (4, 24), different
protective means (8, 35), which at least partially covers the external is its window glass (10, 31), and
protective tape (7, 36)covering the protective agent, the first portion (20, 37) which covers an edge (8A, 35A) of the protective means (8, 35), and the second section (21, 38) of which at least sections are located between the outer inclined surface (11b, 32b) of the sealing profile (11, 32) and the inner inclined surface (14b, 29b) of the window frame (4, 24).

2. Window element (1, 23) according to claim 1, characterized in that the outer inclined surface (11b, 32b) of the sealing profile (11, 32) has a concave surface, and the inner inclined surface (14b, 29b) of the window frame (4, 24) has a convex surface.

3. Window element (1, 23) according to claim 1, characterized in that the outer inclined surface (11b, 32b) of the sealing profile (11, 32) and the inner inclined surface (14b, 29b) of the window frame (4, 24) have ellipsoidal shape in cross section of the sealing profile (11, 32) and the window frame (4, 24).

4. Window element (1, 23) according to claim 1, characterized in that the outer inclined surface (11b, 32b) of the sealing profile (11, 32) and the inner inclined surface (14b, 29b) of the window frame (4, 24) are covering their groove (12, 33) for centering in the window frame (4, 24).

5. Window element (1, 23) according to claim 1, wherein the window element (1, 23) includes a retainer (15, 26) for clamping the window of node (5, 25) on the window frame (4, 24) by means of fixing elements (16, 27).

6. Oconn the th element (1, 23) according to claim 1, characterized in that the window frame (4, 24) has a cross section L-shaped or T-shaped.

7. Window element (1, 23) according to claim 1, characterized in that the cross-section of the window frame (4, 24) at its inner end has a protruding to an inner side of the plot.

8. Window element (1, 23) according to claim 1, characterized in that the protective means (8, 35) is placed on the external window glass (10, 31), the edge (6) of the external surface of the window glass should be empty.

9. Window element (1, 23) according to claim 1, characterized in that the protective means (8, 35) completely covers the external window glass (10, 31).

10. Window element (1, 23) according to claim 1, characterized in that the protective means (8, 35) and protective film (7, 36) overlap at least in some areas on the edge (6) of the external surface of the window glass.

11. Window element (1, 23) according to claim 1, characterized in that the protective tape (7, 36) has a high cutting strength for the opportunity, first of all, its removal without residue.

12. Window element (1, 23) according to claim 1, characterized in that the protective means (8, 35) represents a self-adhesive plastic film that can be removed without residue.

13. Window element (1, 23) according to claim 1, characterized in that the protective tape (7, 36) is a self-adhesive plastic tape that can be removed without residue.

Any element (1, 23) according to claim 1, characterized in that the protective tape and protective agent made of a thermoplastic material.

15. How to integrate Windows into the structural part (3)that contains the following stages:
insert the window element according to one of claims 1 to 14 in the opening in the structural items (3).
the color of at least part of the structural items (3).
remove the protective tape (7, 36) and protective means (8, 35).

16. The method according to item 15, in which first remove the protective means (8, 35), and then remove the protective tape (7, 36).

17. The method according to item 15, in which first remove the protective tape (7, 36), and then remove the protective means (8, 35).



 

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4 cl, 12 dwg

FIELD: aircraft engineering.

SUBSTANCE: window frame comprises outer flange, inner flange, vertical flange and window transparent part. Vertical flange is arranged between outer and inner flanges and perpendicular to them. Outer flange serves to joint window frame to aircraft airframe. Window transparent part rests upon inner flange and is supported by vertical flange. Window frame is made from resin reinforced by fiber bundles directed along mechanical load direction. Method of producing above described frame consists in placing frame workpiece made from fiber bundles arranged in one direction in injection mould whereto warmed up resin is injected, resultant product being solidified in said injection mould.

EFFECT: reduced weight.

3 cl, 12 dwg

FIELD: aircraft engineering.

SUBSTANCE: invention relates to aircraft engineering, particularly to aircraft window frames and methods of their production. Proposed frame comprises outer flange, inner flange and vertical flange arranged between outer and inner flanges and perpendicular to them, and transparent part. Proposed frame is jointed to aircraft airframe via and along outer flange. Aforesaid transparent part is attached to inner flange held in place by vertical flange. Frame comprises several structural elements welded together and consisting of thermoplastic material reinforced by fibers. Method of producing proposed frame comprises fabricating workpiece including fabric tape and thermoplastic material and representing a quasi-isotropic sheet material, forming with deep drawing of aforesaid workpiece to produce several structural elements to be jointed together by thermoplastic welding.

EFFECT: reduced weight.

3 cl, 6 dwg

FIELD: image transmission from area with high dynamic pressure to area with low dynamic pressure and prevention of liquid flow from one area to another one.

SUBSTANCE: inspection hole comprises frame with translucent member installed in plastic collar and arranged in the frame. The collar comprises bush and two protective washers. Sealing members are installed on cylindrical surface of translucent member so that the sealing members are located between bush and protective washers. Support ring and flexible member are installed from each end side of the collar. Support ring has rim formed around orifice edge. The flexible member may be made as disk spring washer. The support ring is brought into contact with protective washer over the full surface thereof. All components are retained in frame by means of nut or flange connected to the frame with bolts. Adjustment padding may be installed between the support ring and flexible member.

EFFECT: increased load-bearing capability along with possibility to retain structure air-tightness under the action of shock waves.

3 cl, 1 dwg

FIELD: electronic industry; building industry; transport; methods of production of protective electrically conducting and optically transparent coatings.

SUBSTANCE: the invention is pertaining to the method of production of the protective electrically conducting and optically transparent coatings, which may be used in electronic industry, transport, and also for realization of the energy-saving technology and in the building industry. The invention presents the method of production of the indicated coatings made on the base of indium oxide on the substrate out of the glass providing for the vacuum magnetron sputtering of the target based on indium and the coating deposition in the aerosphere of the mixture of the inert gas and oxygen on the preheated substrate. At that, first deposit an indium oxide layer of no more than 5-15 nanometers thick on the substrate, subject it to the thermal treatment at the temperature of 200-250°C during 20-30 minutes, then iterate the cycles of deposition of the indium oxide layers and their thermal treatment till obtaining the given depth of the coating. The invention offers the versions of the products made in the form of the protective optically transparent screens for the monitors with the factor of extinction of the spurious electromagnetic radiation of no less than 40 dB, in the form of the glass for the cars, the ships, the pilot cock-pits of the airplanes and in the form of the window glass. The technical result of the invention is an advantage of production of the optically transparent coatings with the electroconductivity of less than 3 Ohm/cm2 at the high strength and stability of its properties.

EFFECT: the invention ensures production of the optically transparent coatings with the low electroconductivity at the high strength and stability of its properties.

13 cl, 6 dwg, 5 ex

The invention relates to shipbuilding and for the design of Windows high pressure, used for deep underwater vehicles and having salokorpi of organic and inorganic glass

Wholehog // 2087370

The invention relates to the field of shipbuilding and can be applied on different underwater vessels (apparatuses)
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