PL101801B1 - Union piece for heating ducts and a device for connecting pipes by means of union pieces - Google Patents

Union piece for heating ducts and a device for connecting pipes by means of union pieces Download PDF

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Publication number
PL101801B1
PL101801B1 PL1974169114A PL16911474A PL101801B1 PL 101801 B1 PL101801 B1 PL 101801B1 PL 1974169114 A PL1974169114 A PL 1974169114A PL 16911474 A PL16911474 A PL 16911474A PL 101801 B1 PL101801 B1 PL 101801B1
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PL
Poland
Prior art keywords
pipes
coupling
pipe
weld
polyethylene
Prior art date
Application number
PL1974169114A
Other languages
English (en)
Original Assignee
Solve Systemror Ab
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Publication date
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Publication of PL101801B1 publication Critical patent/PL101801B1/pl

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/137Beaded-edge joints or bead seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/106Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined using flames coming in contact with at least one of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30Electrical means
    • B29C65/305Electrical means involving the use of cartridge heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5221Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5229Joining tubular articles involving the use of a socket
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/81General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/02Welded joints; Adhesive joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

Przedmiotem wynalazku jest zlaczka dla kana¬ lów ogrzewczych z rurami ochronnymi wykonany¬ mi np. z polietylenu, oraz urzadzenie do laczenia rur za pomoca zlaczki, korzystanie rur polietyleno¬ wych, przez stopienie tworzyw rur i zlaczki, ewen¬ tualnie z dodaniem tworzywa.W celu unikniecia wiekszych ruchów rur kana¬ lów ogrzewczych na skutek wahan temperatury uzywa sie wylacznie tworzyw o niskich wspólczyn¬ nikach rozszerzalnosci cieplnej, na przyklad poli¬ chlorku winylu. Jednak to tworzywo dziala nie¬ zwykle niekorzystnie na otoczenie i ze wzgledu na ochrone srodowiska powinno sie unikac tego ro¬ dzaju tworzyw. Wybór tworzyw nieszkodliwych dla srodowiska stawia wysokie wymagania konstruk¬ cjom polaczen, poniewaz takie tworzywa, które nie zanieczyszczaja srodowiska, jak np. polietylen, ma¬ ja znacznie wyzszy wspólczynnik rozszerzalnosci cieplnej niz polichlorek winylu.Wynalazek ma wiec za zadanie umozliwienie za¬ stosowania w rurach ochronnych kanalów ogrzew¬ czych takich tworzyw, jak np. polietylen. Przed¬ miotem wynalazku jest zlaczka dla takich rur i u- rzadzenie dla polaczenia rur za pomoca zlaczki.W tym celu zlaczka wedlug wynalazku odznacza sie tym, ze jest zamontowana na rurach ochron¬ nych przesuwnie na lezacych naprzeciw siebie kon¬ cach zlacza dwóch rur ochronnych, w polozeniu oslaniajacym zlacze posiada urzadzenie kompen¬ sujace, które równoczesnie sluzy do ustalania polo- zenia zlaczki w wykopie kanalu ogrzewczego. Na kazdym koncu zlaczki jest przewidziane cieplne zlacze spawalnicze pod cisnieniem dla ustalenia polozenia zlaczki na rurach ochronnych. Urza¬ dzenie kompensujace posiada ksztalt promieniowo na zewnatrz wywinietej faldy mieszka.Rury ochronne i zlaczka jak równiez urzadzenie kompensujace sa wykonane z takiego samego two¬ rzywa.Cecha charakterystyczna urzadzenia do laczenia rur za pomoca zlaczki jest obudowa otaczajaca zlacze z elementami dla podgrzania obudowy a tym samym zlacza do temperatury, przy której topi sie tworzywo przynajmniej w obrebie zlacza. Ponadto obudowa sklada sie ze spinacza ryglujacego, uch¬ wytów sluzacych do docisniecia obudowy do zlacza.Nastepnie obudowa jest zlozona z dwóch ze so¬ ba przegubowo polaczonych pólpierscieni, które po¬ siadaja po stronie przeciwleglej do przegubu czesci dla sprzezenia ze soba pólpierscieni dokola zlacza.Czesci podgrzewajace sa zlozone z jednego lub z wiecej elektrycznych elementów oporowych, które polaczone razem, lub kazde oddzielnie sa podla¬ czone do zródla pradu elektrycznego.Jeden albo oba pólpierscienie sa zaopatrzone w uchwyty, które ulatwiaja wziecie obudowy do reki i docisniecie pólpierscieni do miejsca zlacza.Kazdy z pólpierscieni jest wyposazony w elemen¬ ty oporowe, które wystaja mniej wiecej naprzeciw siebie z pólpierscieni i posiadaja uchwyty. 101 801101 801 3 4 Przedmiot wynalazku jest blizej wyjasniony na przykladach wykonania na rusunku, na którym fig. 1 przedstawia zlacze rur ochronnych dwóch ka¬ nalów ogrzewczych,— czesciowo w przekroju, fig. 2 — prototyp urzadzenia wedlug wynalazku w wi-. doku perspektywicznym, fig. 3 — urzadzenie poka¬ zane na fig. 2 w stanie otwartym, w widoku pers¬ pektywicznym, fig. 4 — urzadzenie wed'lug wyna¬ lazku w polozeniu nalozonym na zlacze w czescio¬ wym przekroju.Pokazane na fig. 1 rozwiazanie wynalazku sluzy do polaczenia rur ochronnych 1 pierwszego kanalu ogrzewczego z rurami ochronnymi 2 drugiego ka¬ nalu ogrzewczego. Rury ochronne sa wykonane np. z polietylenu. Zlaczka wedlug wynalazku sklada sie z dwóch czesci rurowych 3 i 4, które sa ze soba polaczone urzadzeniem kompensujacym 5. Wewne¬ trzna srednica czesci rurowych 3 i 4 jest w zasadzie równa zewnetrznej srednicy rur ochronnych 112; zlaczka jest przesuwnie osadzona na rurach ochron¬ nych 1 i 2 dla umozliwienia swobodnego ulozenia zlacza w czasie pracy. Urzadzenie kompensujace 5 ma, jak widac na rysunku, ksztalt wywinietej pro¬ mieniowo na zewnatrz faldy mieszka i tworzy jed¬ na calosc z czesciami rurowymi 3 i 4. Po zakoncze¬ niu roboty nasuwa sie zlaczke na zlacze rur w ten sposób, ze zostaje ono calkowicie zasloniete. Naste¬ pnie zostaje ustalone polozenie zlaczki na rurach ochronnych 1 i 2 za pomoca szwów spawalniczych, cieplnych pod cisnieniem, na kazdym koncu zla¬ czki. Przytwierdzenie zlaczki do rur ochronnych 1 i 2 moze byc naturalnie wykonane w dowolny in¬ ny sposób. Jednak jest pozadane, zeby zlacze 6 two¬ rzylo równiez uszczelnienie miedzy czesciami ruro¬ wymi 3 i 4 i rurami ochronnymi 1 i 2.Urzadzenie kompensujace 5 sluzy nie tylko do przejecia ewentualnych ruchów rur na skutek wa¬ han temperatury, lecz równiez dla ustalenia polo¬ zenia zlaczki, a z nia rur ochronnych 1 i 2 w prze¬ widzianym do tego celu wykopie w ziemi. Po u- staleniu polozenia zlaczki nie beda przenoszone ewentualne ruchy czesci rurowych znajdujacych sie po jednej stronie urzadzenia kompensujacego na czesci rurowe znajdujace sie po drugiej stro¬ nie faldy 5 mieszka. Na skutek tego ewentualne ruchy zalezne od temperatury beda ograniczone do czesci rurowych znajdujacych sie miedzy dwoma faldami 5 mieszka. Przedstawia to szczególna ko¬ rzysc zwlaszcza przy dlugich odcinkach kanalów.Falda kompensujaca £ sluzy równiez do innego ce¬ lu, a mianowicie do zmniejszenia naprezen scinaja¬ cych w zlaczach 6, na skutek czego falda 5 zwiek¬ sza wytrzymalosc i tym samym szczelnosc tych zlacz.Opisane w dalszym ciagu urzadzenie nadaje sie szczególnie do wykonania zlacza spawalniczego pod cisnieniem pomiedzy dwoma rurami z tworzy¬ wa sztucznego, korzystnie z polietylenu. Na fig. 4 sa pokazane czesci rury 1 z tworzywa sztucznego i zlaczki 3, 4, które maja byc ze soba razem polaczo¬ ne przez wprowadzenie rury 1 z tworzywa sztucz¬ nego do zlaczki 3, 4 przy czym miejsce zlacza ma zostac zamkniete zlaczem spawalniczym 7, które sklada sie ze stopionego tworzywa przynajmniej z rury 1 i zlaczki 3. Na zyczenie mozna dodac wiecej tworzywa do zlacza spawalniczego. Do stopienia tworzywa sluzy urzadzenie wedlug wynalazku dok¬ ladniej opisane za pomoca fig. 2 i 3, przy czym nie- które szczególne czesci sa dokladniej pokazane na fig. 4.Urzadzenie wedlug wynalazku sklada sie z piers¬ cieniowej obudowy 8, która jest podzielona na dwa pólpierscienie 9 i 10 polaczone ze soba za pomoca zawiasy. Zawiasa nie jest dokladniej pokazana na rysunku i moze byc dowolnej tradycyjnej konstru¬ kcji. Pólpierscienie 9 i 10 sa ze soba sprzegalne dla otrzymania pierscieniowej postaci obudowy 8 za pomoca spinacza ryglujacego 11 budowy tradycyj¬ nej.W pólpierscieniu 9 jest osadzony elektryczny element oporowy 12, a w pólpierscieniu 10 elektry¬ czny element oporowy 13. W rozwiazaniu pokaza¬ nym na fig. 2 i 3 elementy oporowe 12 i 13 posia¬ daja kazdy uchwyt 14, 15 i kazdy moze byc od¬ dzielnie polaczony przewodami 16, 17 z elektrycz¬ nym zródlem pradu. W ten sposób mozna trzymac w rekach cale urzadzenie za pomoca uchwytów 14, .W stanie pokazanym na fig. 3 mozna zalozyc urzadzenie na rure 1, dosunac do zlaczki 3, a na¬ stepnie ustalic jego polozenie w stanie pokazanym na fig. 2, przy czym pólpierscienie 9 i 10 zostana wzajemnie zaryglowane za pomoca spinacza ryglu¬ jacego 11. Nastepnie elementy oporowe 12 i 13 zo¬ stana podlaczone do odpowiedniego zródla pradu i cale urzadzenie zostanie docisniete do zlaczki przez wywarcie sily na uchwyty 14 i 15. Po uzys¬ kaniu odpowiedniej temperatury zacznie topic sie i stapiac sie tworzywo na krawedzi zlaczki 3 i na czesci zewnetrznej strony rury 1 dla utworzenia zlaczy, 6, 7. Nastepnie czesc tworzywa wyplynie po rurze, poniewaz wewnetrzna srednica urzadzenia jest wieksza od zewnetrznej srednicy rury 1.Dla rozlozenia ciezaru urzadzenia na rurze 1, mozna wyposazyc jeden albo oba pólpierscienie w czlony 18, w postaci wystajacych z pólpierscienia skrzydelek, rozkladajace obciazenie (fig. 4). Te skrzydelka moga miec odpowiednie uchwyty 19, które zastapia uchwyty elementów oporowych 12 i 13. Na zyczenie mozna przytwierdzic uchwyty 19 bezposrednio do pólpierscieni, zamiast do skrzyde¬ lek 18.Pólpierscienie 9 i 10 moga byc odlane jako pelne z odpowiedniego stopu aluminium, np. aluminium, przy czym elementy oporowe 12 i 13 zostaja za¬ montowane w pólpierscieniach mniej wiecej cen¬ tralnie. Pólpierscienie posiadaja od strony skiero¬ wanej do zlacza trzy powierzchnie 20, 21 i 22. Po¬ wierzchnia 20 powinna opierac sie na rurze 1, a po¬ wierzchnia 22 na zlaczce 3.Powierzchnia 21 ma tworzyc zewnetrzna powierz¬ chnie zlacza spawalniczego 7. Na zyczenie mozna dodac dodatkowe tworzywo ponad to, które zosta¬ nie stopione z rury 1 i zlaczki 3. Mozna równiez po¬ wiekszyc objetosc zlacza przez wypuklenie powie¬ rzchni 21 do srodka, w kierunku elementu oporo¬ wego 13.Wynalazek umozliwia nie tylko zastosowanie ta- 40 45 50 55 60101801 6 kich tworzyw, jak polietylen, ale ogranicza równiez ruchy zalezne od temperatury do odleglosci pomie¬ dzy dwoma kompensujacymi faldami mieszka.Zlacze spawalnicze 6, wykonane pod cisnieniem, moze byc wykonane za pomoca odpowiedniego na¬ rzedzia.Niniejszy wynalazek umozliwia wykonanie w niezwykle prosty sposób polaczenia i uszczelniania zlaczy rur. PL PL PL PL PL PL PL PL PL PL PL PL PL

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PL1974169114A 1973-04-10 1974-02-27 Union piece for heating ducts and a device for connecting pipes by means of union pieces PL101801B1 (pl)

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AT (1) AT331022B (pl)
BE (1) BE813473A (pl)
DE (1) DE2405333A1 (pl)
GB (1) GB1422754A (pl)
PL (1) PL101801B1 (pl)
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SE427258B (sv) * 1979-10-29 1983-03-21 Arne Kullberg Forfarande och anordning for varmarbetning, foretredesvis varmformning eller svetsning, av plast
AT384580B (de) * 1985-05-10 1987-12-10 Egger K Kunststoffwerk Vorrichtung zum verschweissen zweier einander uebergreifender rohrteile aus kunststoff
SE457823B (sv) * 1985-10-22 1989-01-30 Ecopipe Innovation Ab Muff-fog foer plastmantlade isolerade roer samt foerfarande foer aastadkommande av en muff-fog
SE459039B (sv) * 1986-10-23 1989-05-29 Malmoe Kommun Foerfarande och anordning foer utbyte av markfoerlagda trasiga roer
US5125690A (en) * 1989-12-15 1992-06-30 Metcal, Inc. Pipe joining system and method
CN112092385B (zh) * 2020-11-23 2021-02-05 山东华晶玻璃有限公司 一种冷冻展示柜生产用pvc管焊接装置
CN115056156B (zh) * 2022-07-21 2023-05-26 上海惠而顺精密工具股份有限公司 一种分体式磨具焊接方法及其磨具

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GB1422754A (en) 1976-01-28
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AT331022B (de) 1976-07-26
BE813473A (fr) 1974-07-31
ATA272274A (de) 1975-10-15

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