WO1997001057A1 - Fitting for use in welding stainless steel pipes with zirconium alloy pipes - Google Patents

Abstract

The proposed fitting for use in welding stainless steel pipes with zirconium alloy pipes is designed as an overlap diffusion welded joint between sleeves (1, 2) made from metals corresponding to the metals of the pipes to be welded. The surrounding sleeve (2) of the fitting is made from stainless steel and the adjoining surfaces of the sleeves are provided along the entire length of the overlap with alternating projections and depressions (5, 6) which engage with one another. The overlap diffusion welded joint has a hard diffusion layer (7) of not more than 5 νm in thickness. The walls of the sleeves in the overlap region vary in thickness, so that the wall thickness of one sleeve decreases as that of the other increases, for example in steps, and the projections and recesses are annular. The fitting is used in nuclear technology and in chemical engineering as a bimetallic insert for use in welding stainless steel pipes with zirconium alloy pipes.

Description

 \ УΟ 97/01057 ΡСΤЯШ96 / 00166

ПΕΡΕΧϋЖШΚ FOR СЫЙ ΤΡУБ из ΗΕΡЖΑΒΕЗДЙΧ СΤΑЛΕЙ

WITH ΤΡУΒΑΜИ из ЩΡΚΟΗΜΕΒЫΧ СΙШΑΒΟΒ

Area of technology

yzοbρeτenie οτnοsiτsya οδlaστi σvaρκi κ and κ bοlee δ κοnκρeτnο πeρeχοdniκam, κοτορye iσποlzuyuτσya κaκ bimeτal- licheσκaya vστavκa πρi σvaρκe τρub of neρzhaveyuιschχ sτaley σ τρubami of tsschzhοκievyχ σπlavοv and mοzheτ byτ πρgshenenο ^~ yaleρnοy τeχniκe and ΧSHICHΘSΚSH ashιaρaτοστροenii.

The previous στ level is technical

10 The transition is known for σvar and τpub from non-rusting σtals with τpуδash from sch щρκοιшевні σплавов (see a.s. Βϋ Ν 1166948, published on 15.07.85). The gearbox is made in the form of a valendetchogo of the dmuguzionnogo of the connection of the bush from the stainless steel and the protective core through the installation and installation

15 years of age. In this case, the extracting bush is made of stainless steel, and the steps are rotated on the rotational shaft. The sites have been established so that the stepped hubs from the non-wave are steel and offset from the ductile hubs from the circular alloy.

£ 0 Ηedοστaτκοm izveστnοgο πeρeχοdniκa yavlyaeτsya οgρa- ness ρesuρσ egο ρabοτy in uσlοviyaχ gορyachey vοdy and πaρα πρi τemπeρaτuρaχ dο 350 gρadusοv Delσiya due σnizheniya οσevοy προchnοστi naχleστοchnοgο σvaρnοgο diφφuviοnnοgο σοe- of the connections. This is an important reason for finding the best results.

£ 5 of the optional diffusive connection of the unit is controlled by the observance of all the specified conditions of the input. With any minor negligence of the specified conditions of the shock, which is especially significant for the reduction of the value of the factor, the reduction of the σ value is negligible Κροms \ УΟ 97/01057 ΡСΤ / 1Ш96 / 00166

"_>

then. the disadvantage of the known converter is its increased cost due to the use of a large amount of titanium and the resulting high consumption of it. The closest to the invention is the fact that there are significant changes in the value for the pressure from the non-rusting σ steel σ from the smelts of October 6, 2016. Peρeχοdniκ vyποl- nen as naχleστοchnοgο diφφuziοnnοgο σvaρnοgο sοedineniya vτulοκ of neρzhaveyuschey sτali and tsiρκοnievοgο sπlava, πρi zτοm οχvaτyvayuschaya vτulκa vshοlnena of neρzhaveyuschey sτali and sοπ- ρyazhennye ποveρχnοsτi naχlesτοchnοgο sοedineniya vτudοκ entire length of the Ha naχlesτκi imeyuτ cheρeduyuschiesya yezhdu sοbοy vysτuπi vπadiny and, in vχοdyaschie dρug friend. A complimentary diffuse, optional, σ compound is made with a liquid, diffuse, direct diffuse thickness of 10 to 150 microns (liquid). Μeχanicheσκοe zatseπlenie vτulοκ οbeσπechivaeτ προch- nοστnye χaρaκτeρiστiκi πeρeχοdniκa and geρmeτichnοsτ (πlοτ- nοστ) πeρeχοdniκa πο vσey πlοschadi meχanichesκοgο zatseπleniya οbeσπechivaeτσya diφφuziοnnοy προσlοyκοy as zhndκοy evτeκ- τiκi tsiρκοny-zhelezο.

Ηedοστaτκοm izveστnοgο πeρeχοdniκa yavlyaeτσya οgρa- ness ρeσuρσ egο ρabοτy in gορyachey vοde with τemπeρaτuροy gρadusοv than 150 Celsius and neρabοτοsποσοbnοστ in gορyachey vοde and πaρe πρi τemπeρaτuρe οτ 200 350 dο gρaduσοv Delσiτya due nevyσοκiχ ποκazaτeley dliτelnοy κορροziοnnοy προch- nοστi. For a long period of time, it is only necessary to take into account the conditions of a long-term activity, resulting in a rupture of activity. Ηaχ- lesτοchnοe diφφuziοnnοe svaρnοe sοedinenie vτulοκ of tsiρκο- nievοgο sπlava and neρzhaveyuschey sτali, vyποlnennοe with zhidκοy diφφuziοnnοy προslοyκοy evτeκτichesκοgο sοsτava τοlschinοy (10-150 mκm) χaρaκτeρizueτσya nevyσοκimi προchnοsτnymi and κορροziοnnymi svοyστvami. Β προtseσσe dliτelnοy eκσπluaτa- tion disΜ> uziοnnοe σvaρnοe σοedinenie ρazρushaeτσya ποd deys- τviem κορροzii ποd naπρyazheniem. This is due to the fact that, for the simplest operating diffusible compounds from different types of metals, there is a significant increase in \ УΟ 97/01057 ΡСΤЛШ96 / 00166

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In the case of extraordinary incidence, the value of the output is in direct relation to the incidence of intermittent impairment. The greater the thickness of the voltages in the coil, the higher the same voltages and, consequently, the higher the voltage level in the short-circuit voltage. With a decrease in thicknesses of the walls of the bushes at the same time, to values less than the thicknesses of the walls of the bushes of the bushes, resulting in a decrease in collisions. Sοχρanenie τρebuemοy οσevοy προchnοsτi svaρnοgο sοedineniya πρivοdiτ κ increase summaρnοy τοlschiny στenοκ vτulοκ in mesτe naχlesτκi and κ increase ποπeρechenyχ gabaρiτοv πeρeχοdniκa, chτο neπρimelemο for sτeσnynnyχ uσlο- Vij eκσπluaτatsii, naπρimeρ in aκτivnοy zοne yadeρnοgο ρeaκ- τορa. If the temperature rises, the water becomes hotter than 200 degrees. An increase in voltage stresses to values that increase the value of ordinary and diffuse impulses causes damage to the welded seam in crushed joints. In the event of a stress, the stress increase increases, and stress increases when stress increases, resulting in a loss of fluid stress.

SUMMARY OF THE INVENTION

The task to be ρeshnie κοτοροy naπρavlenο zayavlyaemοe izοbρeτenie, yavlyaeτσya σοzdanie τρubchaτοgο πeρeχοdniκa and z-neρzhaveyuschey στali and tsiρκοnκevοgο σπlava, σοedinennyχ vnaχ- leστκu diφφuziοnnοy σvaρκοy, κοτορy χaρaκτeρizueτσya malοy τοlschinοy naχleστκi and dliτelnym ρeσuρσοm ρabοτy in gορyachey vοde br πaρe πρi τemπeρaτuρaχ dο 350 gρaduσοv Tselσiya.

Technical result. ποluchenny πρi οσuscheστvle- SRI naστοyaschegο izοbρeτeniya, zaκlyuchaeτσya ποvyshenii in length τelnοy κορροziοnnοy προchnοστi πeρeχοdniκa in uσlοviyaχ gορya- whose vοdy and πaρa πρi τemπeρaτuρaχ dο 350 gρaduσοv Delσiya ha σcheτ ποvysheniya κορροziοnnοy στοyκοsτi and προchnοsτi diφφuzi- οnnοgο svaρnοgο seam. Diffuse welded joint \ УΟ 97/01057 ΡСΤ / Κϋ96 / 00166

A full σ of a diffusive, widespread thickness of not more than 5 µm, has a large independent distribution unit in the city of 350 Otherwise, in combination with mechanical imaging, performed in the form of troughs and troughs, which differs by a factor of 5, it is unimportant. The level of technology is well-known, which means that diffusing

10–3.5 µm thick provides a durable diffusely welded connection of titanium (a metal with a single group) and a non-rusting service life. One-way transparent diffused diffuser σ-compounds of the above-mentioned metals and two diffuser in

15 προtseσσσe οχlavdeniya σamοπροizvοlnο ρazρushayuτσya because You are a σοκiχ οστaτοchnyχ τeρmicheσκiχ naπρyazheny in dκφφuziοnnοy προσlοyκe for σcheτ dvuχκρaτnοy ρaznitsy in κοzφφφitsienτaχ τeρ- micheσκοgο ρaσshiρeniya Maddie τiτanοm and neρzhaveyuschey στalyu (Κazaκοv Η.Β. Diφφuziοnnaya σzaρκa maτeρialοv, Μ., "Shshi- nοστροenie" , 1976, σ. 186-190). ds uροvnya τeχniκi iz veστny τορtsevye σvaρnye dnφφuziοnnye σοedineniya tsiρκοniya σ σ neρzhaveyuschey στalyu dοsτaτοchnο vysοκοy προchnοsτyο βa scheτ administration LKAU svaρivaemymi ποveρχnοστyami τοnκiχ προmezhu- τοchnyχ σlοev: niοby, copper, niκel, οdnaκο eτi σοedineni.1

25 due τρeχκρaτnοy ρaznitsy κοzφφitsienτοv τeρmicheσκοgο ρaσshi- ρeniya tsiρκοniya and neρzhaveyuschey στali not πρigοdny for τρubcha- τyχ naχleστοchnyχ σοedineny (K. ΒaηiιshgΙu, .7. Κgϊzηal ... 6.Β. Κaϊe, B.Βaηegzee, Lοigηaϊ οG Νϊσϊeag Μag. Egϊa1z, V. 217 (1994) 67-74. "ΤгаηзШοη зоϊηϊз ЛеΙιøееη Ζϊгσа1οу-2 аησ

30 ZaιηΙezz zι.e1 Ly sϋGGizϊοη οησϋ "). Β zayavlennοm πeρeχοd- nzhe bοlshaya Part οστaτοchnyχ τeρmicheσκiχ naπρyazheny vοsπ- ρinimaeτσya meχanicheσκim zatseπleniem, ποeτοmu τveρdaya diφφu- ziοnnaya προσlοyκa πρaκτicheσκi ρazgρudena οτ niχ, neσmοτρπ on τρeχκρaτnuyu ρaznitsu κοeφφitsienτοv τeρmicheσκοgο ρasshiρe-

35 cyanide and non-rusting στali.

Sοcheτanie vyσοκοy κορροziοnnοy στοyκοστi and προch- nοστi τveρdοy diφφuziοnnοy προσlοyκi τοlschinοy not bοlee 5 mκm οbeσπechivaeτ πeρeχοdniκu dliτelnuyu κορροziοnnuyu προch- nοστ in uσlοviyaχ gορyachey vοdy and πaρa πρi τemπeρaτuρaχ lο λΥΟ 97/01057 ΡСΤ / ΤШ96 / 00166

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350 grams of σσ in Celsius.

Uκazanny τeχnichesκy ρezulτaτ dοsτigaeτσya τem .. chτο in izveστnοm πeρeχοdniκe for σvaρκi τρub of neρzhaveyuschiχ στaley σ τρubami of tsiρκοnievyχ σπlavοv, κοτορy vyποlnen as naχlesτοchnοgο diφφuziοnnοgο svaρnοgο sοedineniya vτulοκ of meτallοv, σοοτveτστvuyuschiχ meτallam svaρivaemyχ τρub, πρi eτοm οχvaτyvayuschaya vτulκa vyποlnena of neρzhaveyuschey sτali and conjugated rotations of the bush at the entire length of the coil, and there are the following between the bushings and valleys entering the arc.

Aggregate diffuse σvarious connection is made with a solid diffuser no larger thickness.

5 mkm. Κροme τοgο for iσκlyucheniya nadρyvοv σvaρnοgο seam πο κρayam naχleστκi, vτulκi in οblaστi naχlesτκi vyποlneny with πeρemennοy τοlschinοy στenοκ τaκ, chτο τοlschina στenκi οdnοy of vτulοκ umenshaeτσya and dρugοy σοοτveτστvennο uvelichivaeτσya.

Eτο ποzvοlyaeτ in σοcheτanii σ vyσοκοy κορροzοnnοy στοyκοστyu diφφuziοnnοy προσlοyκi zamedliτ σκοροστ κορροzii, κοτορaya inevitable πρi dliτelnοy ρabοτe πeρeχοdniκa in uσlοviyaχ gο- ρyachey vοdy and πaρa, dο quantities οbeσπechivayuschiχ ρabοτοσποσοb- nοστ σvaρnοgο seam uσlοviyaχ, naπρimeρ.yadeρnοgο ρeaκτορa .. dο ποlnοy vyρabοτκi OPERATING RESOURCES OF THE NUCLEAR RESPONSE CHANNEL. The performance of the unit in the region due to the finding of σ е- a variable thickness σ-value will reduce the radial dimensions of the adapter.

Likewise, the minimum thickness of the voltage of each busbar to the core is that the σοσ value is no more than 25 percent of the width of the curve, σ-free of the voltage.

Otherwise, the drive is heavily loaded at the entire length of the lead, and is made resistant.

At the same time, the conjugate alternations of the bush in the entire length of the coil are made in the form of a large measure. two cylindrical σ-step, performed by one single σ-path, and truncated cone, smoothly connecting steps between themselves.

Otherwise, to increase the overall standard, the maximum thickness of the cascade of the bush on the edge of the shaft is \ УΟ 97/01057 ΡСΤЛШ96 / 00166

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It leaves at least the thickness of its wall, free of charge.

Alternatively, to increase the general severity and increase the severity (density) of the diffused connection, the height and the height of the valley.

Description of the description

The essence of the invention is explained by drawings, where in FIG. 1 Predetermined by a cross of an adapter σο by a coupled by a coupled by a coupled inlet; on φig. 2 The option of controlling the transmitter (a separate section) is found _. . in the case of large-scaled rotations of the bush, they are made in the form of two cylindrical-type strenghts - a single σ-value of each other, which is independent of the integral; on φig. 3 is shown at a fraction of the final result of the connection of the converter (on an enlarged scale); on φig. 4 A fragment of a diffuse primary connection with a solid diffuse display (on an increased scale) is shown.

Peρeχοdnzh for σvaρκi τρub of neρzhaveyuschiχ στaley with τρubami of tsiρκοnievyχ sπlavοv vyποlnen as naχlesτοch- nοgο diφφuziοnnοgο svaρnοgο sοedineniya and sοdeρzhiτ οχvaτyva- emuyu vτulκu tsiρκοnievοgο sπlava from 1 and 2 of οχvaτyvayuschuyu vτulκu neρzhaveyuschey sτali.Sοπρyazhennye ποveρχnοστi vτulοκ n.η entire length naχleστκi vyποlneny sτuπenchaτymi and imennο: vη naρuzhnοy ποveρχnοsτi οχvaτyvaemοy vτulκi 1 of tsiρκοnievοgο sπlava vyποlneny sτuπenκi 3, and vnuτρenney ποveρχnοsτi vaτyvayuschey vτulκi ο ^χ 2 of neρzhaveyuschey στali vyποlneny σοπρya- conjugated σο στuπenκami 3 steps 4. Steps 3, 4 are of equal length, and the result is σ-step, which is approximately 10-20 percent of the average cost of stress, σ. Τοlschina vτudοκ 1 and 2 meστe naχleστκi ρavnο- meρnο diσκρeτnο umenshaeτσya on vσey length naχleστοchnοgο σο- unity οτ maκσimalnοy, ρavnοy or bοlshey τοlschine στenκi οdnοy of vτulοκ, svοbοdnοy οτ naχlesτκi, dο minimalnοy .. ρavnοy 0.3-0.7 mm or which composes no more than 25 percent of the thickness of its wall, which is free from obscurity. At the same time, 3. 4 on the most recent σ-connections were performed equally as before - \ νθ 97/01057 ΡСΤ / ΙШ96 / 00166

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I am between a height of 5 and a valley on the other hand. Βysτuπy 5 sοπρyazhennyχ sτuπeneκ 3 and 4 without πlοτnο zazορa vχο- dyaτ in sοοτveτsτvuyuschie vπadiny 6. Pοveρχnοsτi vysτuποv 5 κ vπadin 6 sοedineny between sοbοy diφφuziοnnοy svaρκοy and οbρa- zuyuτ diφφuziοnny svaρnοy shοv 7 vyποdnenny as τveρdοy diφφuziοnnοy προslοyκi τοlschinοy not bοlee 5 mκm. Associated parts of the vane can be made in the form of two cylinders;

Βyποlnenie vτulοκ in οblasτi naχleστκi σ πeρemen- nοy τοlschinοy στenοκ ποzvοlyaeτ umenshiτ uροven τeρmicheσκiχ naπρyazheny in οblaστi κρaevyχ τοcheκ naχleστκi and σledοva- τelnο, umenyπiτ uροven κοntsenτρatsii (πiκ naπρyazheniya) τeρmicheσκiχ naπρyazheny in κρaevyχ τοchκaχ σvaρnοgο diφφuziοn- nοgο σοedineniya, chτο iσκlyuchaeτ vοzmοzhnοστ seam nadρyva and κκρρ з π ρ д д д under tension.

Βyποlnenie οdnοy of vτulοκ σ minimadnοy τοlschinοy στenκi on κρayaχ naχleστοκ, σοστavlyayuschey not bοlee 20 προtsen- τοv οτ τοlschnny its στenκi, σvοbοdnοy οτ naχleστκi, ποzvοlyaeτ dρugοy vτuzhe in zτοy οblaστi imeτ τοlschinu στenκi δοlshe τοlschiny στenκi its σvοbοdnοgο κοntsa, chτο οbeσπechivaeτ σοχρa- nenie οσevοy The same is true for the frequency converter and for the reduction of the radial size of the converter, and the nominal value of the voltage inductance is lower than that of the voltage

Βyποlnenie σοπρyazhennyχ ποveρχnοστey πeρeχοdniκa over the entire length of naχleστκi στuπeneκ σ κοltsevymi vyστu- πami and vπadinami, vχοdyaschimi vο vzaimnοe zadeπlenie, ποzvο- lyaeτ ποluchiτ uπlοτnenie labiρinτnοgο τiπa, chτο οbeσπechiva- eτ σοχρanenie πlοτnοστi even πρi nizκοm κachesτve diφφuziοn- nοgο svaρnοgο sοedineniya.

BEST MODE FOR CARRYING OUT THE INVENTION

Was izgοτοvlen πeρeχοdniκ, πρednaznachenny ^~ shι sοedineniya τρuby of tsiρκοnievοgο sπlava with vnuτρennim dia- meτροm 80 mm and 4 mm τοlschnnοy στenκi σ τρubοy of neρzhaveyuschey \ УΟ 97/01057 ΡСΤ / Κϋ96 / 00166

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σ became σ with an internal diameter of 80 mm and a thickness of 4 mm. The outer diameter of the adapter is 80 mm, and the thicknesses are the same as the ends, the original ones are equal to the thicknesses of the pipe, i.e. 4 mm. Associated rotations of the sleeve are performed by σ-pendent, σ by five σ-steps. The length of each stump is equal to 24 mm, and, moreover, the maximum diameter is the stiffest of the step on the zinc alloy without taking into account the elevations and troughs (a small amount of 89 mm). The lateral troughs and valleys were completed with a low-carbonized fugue. πρ and this radius ρ of the carbonization ρ is equal to 0.2 mm, and the pitch between the σ-rates of ρ is equal to 1.5 mm. The height of the holes (the depth of the troughs) is equal to 1 mm. The diameter of the adapter in the area at the cooler is equal to 92 mm. and the length of each end of it, while the free end is at least 40 mm. The total length of the adapter is 200 mm. Ϊaκσimalnaya τοlschina vτulκi of tsiρκοniegοgο σπlava (chiστy meτall) in mesτe naχleστκi ρavna 4.5 mm πρi τοlschine στenκi κοntsa, σvο- bοdnοgο οτ naχleστκi, 4 mm, and minimum - 0.4 mm chτο σοστavlyaeτ 10 προtsenτοv οτ τοlschiny its στenκi, σvοbοdnοy на на ле ле σ σ σ.. The absolute thickness of the hub of the stainless steel is equal to 4.6 mm (pure metal), and the minimum is 0.5 mm, which σοσ makes up 12.5 percent of its thickness, which is the difference in the value.

Intentional use

Iσποlzueτσya πeρeχοdniκ in κacheστve bimeτadliches- κοy vστavκi πρi σvaρκe τρub of neρzhaveyuschiχ στaley σ τρubamκ of tsiρκοnievyχ σπρavοv, chτο ποzvοlyaeτ προizvοdiτ σvaρκu τρub of ρaznοροdnyχ meτallοv τρaditsiοnnymi shiροκο izveστny- E meτοdami σvaρκi, naπρimeρ aρgοnο-dugοvοy and eleκτροn- nο-luchevοy σvaρκami. For this purpose, the transmitter is prefabricated in a vacuum setting for the diffuser, but the product is not used. If the appliance is operated under conditions of a nuclear hazard, it can handle hot water and a steam supply of 200 for a purpose \ УΟ 97/01057 ΡСΤ / Κ.Ш6 / 00166

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the connection of the circulating σ alloy σ, non-rusting σ, increases high axial thermal stresses due to higher stresses На one day. meχanicheσκοe σοedinenie, vyποlnennοe as sτuπenchaτοgο zatseπleniya vyστuποv and vπadin, πρaκτicheσκi ποlnοστyu πρinima- eτ on σebya eτi naπρyazheniya and in znachiτelnοy στeπeni, οσvο- bοzhdaeτ οτ niχ diφφuziοnny σvaρnοy shοv, vyποlnenny as κορροziοnnο-στοyκοy τveρdοy diφφuziοnnοy προslοyκi τοlschinοy not bοlee 5 mκm due to which, in general, it increases the long-lasting integrity of the transmitter and its operation and reliability.

Claims

\ УΟ 97/01057 ΡСΤ / 1Ш96 / 00166-10-ШΡΜУЛΑ YZΟΒΡΕΤΕΗIYA

1. Peρeχοdnzh for σvaρκi τρub of neρzhaveyuschiχ sτa- leu with τρubami of tsiρκοnievyχ sπlavοv, vyποlnenny as naχlesτοchnοgο diφφuziοnnοgο svaρnοgο sοedineniya vτulοκ of meτallοv, sοοτveτστvuyuschiχ meτallam σvaρievaemyχ τρub, y κο- τοροgο οχvaτyvayuschaya vτulκa vyποlnena of neρzhaveyuschey στali _g and σοπρyazhennye ποveρχnοστi vτulοκ on vσey the length of the drawdown has the following place, there is a large outfall and troughs that go into the other side, which is characterized by a large separation of the wiring. Lee 5 mκm.

2. Transition πο π. 1, which is distinguished by the fact that the bus ducts in the region are performed with a variable thickness of the wall of the track, so that the thickness of the wall of one of the schools decreases _. and the other is increasing.

3. Transition πο π. 2, which differs from the fact that the minimum thickness of the caddy section is that at least for the inverse part of the test, σostat is no more than 25 percent of its rate, σ is free.

4. Transition πο π. 2 or π. 3, which is distinguishable _{by the} fact that the σο increased arrivals of the bush at the majority of the length of the lead are performed σ-taped.

5. Transition πο π. 2 or π. 3 οτlichayuschiyσya τem .. chτο σοπρyazhennye ποveρχnοστi vτulοκ on vσey length naχleστκκ vyποlneny as, πο κρayney meρe, dvuχ tsilindρicheσκiχ στu- πeneκ, vyποlnennyχ πο οdnοy σ κazhdοy στοροny naχleστκi and uσechennοgο κοnuσa, πlavnο σοedinyayuschegο στuπenκi between σο- όοy.

6. Transition πο π. 2, which differs in that the maximum thickness of the coefficient of each bush on the curve is that σοσ is not less than the thickness of the curve, namely, the opposite is the result.

7. Transition πο π. 1, which is distinguished by the fact that the highs and troughs are performed by the rings.