SK11802000A3 - Coupling sleeve for the connection of two plastic pipes - Google Patents

Coupling sleeve for the connection of two plastic pipes Download PDF

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Publication number
SK11802000A3
SK11802000A3 SK1180-2000A SK11802000A SK11802000A3 SK 11802000 A3 SK11802000 A3 SK 11802000A3 SK 11802000 A SK11802000 A SK 11802000A SK 11802000 A3 SK11802000 A3 SK 11802000A3
Authority
SK
Slovakia
Prior art keywords
clamping
coupling sleeve
cone
sleeve
ring
Prior art date
Application number
SK1180-2000A
Other languages
Slovak (sk)
Inventor
Horst Vogelsang
Original Assignee
Dipl.-Ing. Dr. Vogelsang Ernst Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dipl.-Ing. Dr. Vogelsang Ernst Gmbh & Co. Kg filed Critical Dipl.-Ing. Dr. Vogelsang Ernst Gmbh & Co. Kg
Publication of SK11802000A3 publication Critical patent/SK11802000A3/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
    • F16L37/0925—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector with rings which bite into the wall of the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • F16L25/14—Joints for pipes of different diameters or cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/12—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with additional locking means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Abstract

The sleeve (1) has two ends (3) which can receive the ends of two pipes. A clamp ring holder (4) is provided in both ends of the sleeve for holding a clamp ring (5) in place. The ring is slightly tapered (6) in cross-section and has inner ridges (7). Both ring holders are formed as closed chambers, and each tapered region (8) of the holders is formed from the inside of the sleeve.

Description

Oblasť technikyTechnical field

Vynález sa týka spojovacej objímky na spojenie dvoch plastových rúrok, ktorou je možné vsunúť násadky do protiľahlých čelných strán spojovacej objímky, pričom v koncových oblastiach spojovacej objímky je na vnútornej strane usporiadaná úchytka zvieracieho krúžku na zvierací krúžok, pričom zvierací krúžok má na vonkajšej obvodovej strane zvierací kužeľ a na vnútornej obvodovej strane jedno alebo viac zvieracích rebier a úchytka zvieracieho krúžku má protiľahlý zvierací kužeľ a pričom zasunuté násadky sú proti spätnému vytiahnutiu zovreté vzájomným pôsobením, podmieneným trením medzi zvieracím kužeľom a protiľahlým zvieracím kužeľom pri spätnom pohybe. U zvieracieho krúžku sa zvyčajne jedná o oceľový zvierací krúžok, ktorý je upravený s funkčnou drážkou prebiehajúcou rovnobežne alebo šikmo k pozdĺžnej osi spojovacej objímky. Spojovacie objímky slúžia najmä na spojovanie vodiacich rúrok káblov, ukladaných do zeme.BACKGROUND OF THE INVENTION The invention relates to a coupling sleeve for connecting two plastic pipes by means of which the handpieces can be inserted into opposite faces of the coupling sleeve, the clamping ring gripping on the inner side of the coupling sleeve having an clamping ring on the inner side. the cone and, on the inner circumferential side, one or more clamping ribs and the clamping ring grip have an opposed clamping cone and wherein the retracted handles are clamped against retraction by the interposed conditional friction between the clamping cone and the opposing clamping cone during retraction. The clamping ring is usually a steel clamping ring which is provided with a functional groove running parallel or inclined to the longitudinal axis of the coupling sleeve. The connection sleeves are used in particular to connect the cable conduits laid in the ground.

Doterajší stav technikyBACKGROUND OF THE INVENTION

U známych spojovacích objímok vo forme realizácie, popísanej v úvode, je ako upínací element vytvorená najmenej jedna úchytka zvieracieho krúžku, otvorená na čelnej strane okraja, do ktorej je vkladaný zvierací krúžok s protiľahlým kužeľom. Ako oceľový zvierací krúžok, nasadený do úchytky zvieracieho krúžku, otvorenej k čelnej strane okraja, tak i zvierací krúžok s protiľahlým kužeľom, sú uchytené pomocou kruhovej presuvnej matice, naskrutkované na zodpovedajúcom koncovom diele spojovacej objimky. Ďalej sú upravené tesnenia, vytvorené ako tesnenia manžetové, ktoré pozostávajú z nosného prstenca trapézového tvaru a tesniacej manžety, tvarovanej v smere nasávania od nosného prstenca. Známe spojovacie objímky sa osvedčili, ale najmä so zretelom na techniku výroby a montáže potrebujú zlepšenie.In the known coupling sleeves in the embodiment described above, at least one clamping ring clamp is formed as a clamping element, open at the front side of the edge into which the clamping ring with the opposite cone is inserted. Both the steel clamping ring fitted to the clamping ring clamp open to the end face of the rim and the clamping ring with the opposite cone are fastened by means of a circular sliding nut screwed onto the corresponding end piece of the coupling sleeve. Furthermore, there are provided gaskets formed as cuff gaskets which consist of a trapezoidal-shaped support ring and a sealing collar shaped in the direction of suction from the support ring. The known coupling sleeves have proven to be successful, but in particular with regard to manufacturing and assembly technology they need improvement.

Úlohou vynálezu je vytvoriť spojovaciu objímku úvodom popísaného druhu, ktorú je možné jednoducho montovať a ktorá sa vyznačuje výrobne i montážne - technickou jednoduchosťou.SUMMARY OF THE INVENTION It is an object of the present invention to provide a connecting sleeve of the kind described in the introduction, which is easy to install and which is characterized by simplicity of manufacture and assembly.

Podstata vynálezuSUMMARY OF THE INVENTION

Uvedenú úlohu spĺňa spojovacia dvoch plastových rúrok, ktorou protiľahlých otvorených čelných pričom v vnútornej zvierací koncových oblastiach strane krúžok, strane obvodovej strane jedno alebo zvieracieho krúžku má zasunuté vzájomným kuželom a objímka na spojenie je možné vsunúť násadky do strán spojovacej objimky, spojovacej objímky je na krúžku na obj ímky usporiadaná úchytka zvieracieho pričom zvierací krúžok má na zvierací kužeľ a na vnútornej viac zvieracích rebier násadky sú pôsobením, protilahlým vonkaj šej obvodovej a úchytka a pričom zovreté medzi zvieracím spätnom pohybe, obidve úchytky protiľahlý zvierací kužeľ proti spätnému vytiahnutiu podmieneným trením zvieracím kuželom pri podľa vynálezu, ktorého podstatou je, že zvieracieho krúžku sú vytvorené ako vybrania uzatvorené na čelnej strane okraja a že protilahlý zvierací kužeľ je v oblasti obidvoch vybráni vytvarovaný do vnútornej strany spojovacej objímky.The object is accomplished by connecting two plastic pipes by means of which the opposed open end faces are in the inner clamping regions where the ring side, the peripheral side of the one or the clamping ring has a cone and the sleeve to be connected. a collar-shaped clamp having a clamping ring on the clamping cone and on the inner multiple clamping ribs is an action, opposing the outer circumferential and clamp, and being clamped between the clamping reciprocating movement, both clamps opposite the clamping cone against the retracting condition according to the invention, the essence of which is that the clamping ring is formed as recesses closed on the front side of the edge and that the opposing clamping cone is shaped into the inner side in the region of both recesses coupling sleeve.

Vynález pritom vychádza z poznatku, že výroba a montáž spojovacej objímky môže byť obzvlášť jednoduchá, pokial sa obojstranne upustí od separátneho zvieracieho krúžku s protiľahlým kužeľom. Iba obidva oceľové zvieracie krúžky musia byť nasadené do vybraní, pričom zvierací protiľahlý kužel je v oblasti vybraní vytvarovaný už v procese výroby spojovacej objímky. Na obidvoch stranách je okrem toho možné vypustiť presuvnú sú vytvorené ako strane.The invention is based on the fact that the production and assembly of the coupling sleeve can be particularly simple if a separate clamping ring with an opposing cone is omitted on both sides. Only the two steel clamping rings must be fitted in the recesses, the clamping cone in the region of the recesses being already formed during the production of the coupling sleeve. On both sides it is furthermore possible to omit the displacement are formed as a side.

vsunúťinsert

Výsledkom do maticu, pretože úchytky zvieracích vybrania, je obidvoch krúžkov pričom matice.The result to the nut, because the grips of the animal recesses, is both rings taking the nut.

podlá uzatvorené na okrajovej to, že obidve plastové rúrky otvorených čelných strán sa nerealizovala čelnej sa dajú spojovacej fixácia pomocou obj ímky, presuvnej obj ímka konštrukcii a jednoduchej montáži, byAccording to the closed on the edge that both plastic tubes of the open fronts did not realize the frontal can be fixed fixation by sleeve, sliding sleeve design and easy assembly,

Prekvapujúcim spôsobom umožňuje spojovacia vynálezu, napriek svojej jednoduchej bezpečné spojenie dvoch plastových rúrok.Surprisingly, the joining invention allows, despite its simple, secure connection of two plastic pipes.

Podľa ďalšieho návrhu vynálezu je u spojovacej objímky upravené na obidvoch stranách najmenej jedno tesnenie a toto tesnenie je vytvorené ako O-krúžky. manžetové tesnenia preto nie sú ďalej potrebné, pretože sú použité jednoduché 0krúžky a úložné elementy tesnenia sa tak vyznačujú svojím jednoduchým tvarom.According to a further design of the invention, at least one seal is provided on the coupling sleeve on both sides and the seal is designed as O-rings. the cuff seals are therefore no longer necessary, since simple O-rings are used and the sealing elements of the seal are thus characterized by their simple shape.

Podľa výhodnej formy uskutočnenia vynálezu sú obidva úložné elementy tesnenia usporiadané v smere nasúvania za úchytkami zvieracích krúžkov. Spojovacia objímka môže mať čelné strany s rovnakým vnútorným priemerom, preto do obidvoch čelných strán je možné zaviesť plastové rúrky s nastrkávacími koncami s rovnakým vonkajším priemerom. Existuje ale tiež možnosť, že čelné strany majú rôzny vnútorný priemer, preto do obidvoch čelných strán je možné zaviesť plastové rúrky s nastrkávacími koncami s rôznym vonkajším priemerom. V tejto forme uskutočnenia tvorí spojovacia objímka podlá vynálezu tak zvanú redukčnú obj ímku.According to a preferred embodiment of the invention, the two seating elements of the seal are arranged in the direction of insertion behind the clamps of the clamping rings. The connecting sleeve may have faces with the same inner diameter, so that both ends of the plastic tube can be inserted with insertion ends with the same outer diameter. However, there is also the possibility that the end faces have different inner diameters, therefore it is possible to insert plastic tubes with insertion ends of different outer diameters into both end faces. In this embodiment, the coupling sleeve according to the invention forms a so-called reduction sleeve.

Prehľad obrázkov na výkresochBRIEF DESCRIPTION OF THE DRAWINGS

Nasledovne bude vynález bližšie vysvetlený na základe iba jedného príkladu uskutočnenia podlá schematického zobrazenia na výkresoch, na ktorých znamená obr. 1 pozdĺžny rez spojovacou objímkou podľa vynálezu, obr. 2 predmet podľa obr. 1 inej forme uskutočnenia.In the following, the invention will be explained in more detail on the basis of only one embodiment according to the schematic representation of the drawings, in which FIG. 1 shows a longitudinal section through a coupling sleeve according to the invention, FIG. 2 shows the object according to FIG. 1 of another embodiment.

Príklady uskutočnenia vynálezuDETAILED DESCRIPTION OF THE INVENTION

Na obrázkoch je znázornená spojovacia objímka _1_ na spojenie dvoch plastových rúrok 2_, ktoré je možné zaviesť násadkami do protiľahlých otvorených čelných strán £ spojovacej objímky 1_. V koncových oblastiach spojovacej objímky 1_ je na vnútornej strane usporiadané po jednom úložnom elemente 4 zvieracích krúžkov na zvieracie krúžky £. Zvierací krúžok £ má pritom na vonkajšej obvodovej strane jedno alebo viac zvieracích rebier. Úchytka £ zvieracieho krúžku má zvierací protiľahlý kužeľ £. Zasunuté nastrkávacie konce sú pevne zovreté vzájomným pôsobením, podmieneným trením medzi zvieracím kužeľom £ a zvieracím protiľahlým kužeľom £ pri spätnom tlaku. Samotné plastové rúrky 2_, respektíve ich násadky, sú na obrázkoch iba naznačené.The coupling sleeve 7 is shown in the figures for connecting two plastic pipes 2, which can be inserted via the handpieces into the opposing, open faces 4 of the coupling sleeve 7. In the end regions of the coupling sleeve 1, one clamping ring bearing element 4 is arranged on the inside for clamping rings 4. The clamping ring 6 has one or more clamping ribs on the outer circumferential side. The clamping ring 6 has a clamping cone 8. The inserted insertion ends are firmly clamped by the interaction, conditional friction between the clamping cone 6 and the clamping cone 6 at back pressure. The plastic tubes 2 themselves, or their handpieces, are only indicated in the figures.

Obidve úchytky £ zvieracích krúžkov sú vytvorené ako uzatvorené vybrania £, na čelnej okrajovej strane. Zvierací protiľahlý kužeľ £ je v oblasti obidvoch vybraní £ vytvarovaný na vnútornej strane spojovacej objímky K Okrem toho sú na obidvoch stranách upravené úložné elementy 9_ na tesnenie 10, pričom obidve tesnenia 10 sú vytvorené ako 0krúžky. Obidva úložné elementy tesnenia na O-krúžky 10 sú usporiadané v smere nasúvania (šípka A) za úchytkami 4_ zvieracích krúžkov.The two clamping rings 7 are formed as closed recesses 6 on the front edge. In the region of the two recesses 4, the clamping counter cone 8 is formed on the inside of the coupling sleeve K. In addition, bearing elements 9 are provided on both sides for the seal 10, the two seals 10 being formed as O-rings. The two seating elements of the O-ring seal 10 are arranged in the insertion direction (arrow A) behind the clamps 4 of the clamping rings.

Zatiaľ čo u spojovacej objímky 1. podľa obr. 1 majú obidve čelné strany .3 rovnaký vnútorný priemer, obidve čelné strany 2 vo forme realizácie podľa obr. 2 majú vnútorný priemer rozdielny. Do obidvoch čelných strán .3 je preto možné zaviesť plastové rúrky 2_ s násadkami s rôznymi vonkajšími priemermi, preto v tejto forme realizácie sa vytvára redukčná spojka.While the coupling sleeve 1 of FIG. 1, both faces 3 have the same inner diameter, both faces 2 in the embodiment of FIG. 2 have an internal diameter different. It is therefore possible to introduce plastic tubes 2 with handpieces of different outer diameters into both end faces 3, so that in this embodiment a reduction coupling is formed.

Claims (5)

PATENTOVÉPATENT NÁROKY 1. Spojovacia objímka (1) na spojenie dvoch plastových rúrok (1. Coupling sleeve (1) for connecting two plastic pipes ( 2), ktorou je možné vsunúť násadky do protilahlých čelných strán (3) spojovacej objímky (1), pričom v koncových oblastiach spojovacej objímky (1) je na vnútornej strane usporiadaná úchytka (4) zvieracieho krúžku na zvierací krúžok (5), pričom zvierací krúžok (5) má na vonkajšej obvodovej strane zvierací kužeľ (6) a na vnútornej obvodovej strane jedno alebo viac zvieracích rebier (7) a úchytka (4) zvieracieho krúžku má protiľahlý zvierací kužeľ (8), a pričom zasunuté násadky sú proti spätnému vytiahnutiu zovreté vzájomným pôsobením, podmieneným trením pri spätnom pohybe medzi zvieracím kužeľom (6) a protiľahlým zvieracím kužeľom (8) , vyznačujúca sa tým, že obidve úchytky (4) zvieracieho krúžku sú vytvorené ako vybrania (4) uzatvorené na čelnej strane okraja a že protiľahlý zvierací kužeľ (8) je v oblasti obidvoch vybraní2), by means of which it is possible to insert the handpieces into the opposing faces (3) of the coupling sleeve (1), wherein in the end regions of the coupling sleeve (1) a clamp (4) of the clamping ring is arranged on the clamping ring (5); the ring (5) has a clamping cone (6) on the outer circumferential side and one or more clamping ribs (7) on the inner circumferential side and the clamping ring (4) has an opposite clamping cone (8), and the plugs are retractable clamped by interaction, conditional friction in retraction between the clamping cone (6) and the opposite clamping cone (8), characterized in that the two clamping rings (4) are formed as recesses (4) closed on the front side of the edge and opposite the clamping cone (8) is recessed in the region of both (4) tvarovaný (4) molded do vnútornej strany into the inside spoj ovace j junction j obj ímky sleeves (D (D 2. Spoj ovacia 2. Coupling objímka (1) podľa sleeve (1) according to nároku 1 s of claim 1 p najmenej at least jedným one vybraním (9) choice (9) na tesnenie (10), for gaskets (10), v y z n v y z n a č u j a č u j ú c a ú c a
sa t ý m, že tesnenia (10) sú vytvorené ako 0 krúžky.characterized in that the seals (10) are formed as 0 rings. 3. Spojovacia objímka (1) podľa nároku 1 alebo 2, vyzná čujúca sa tým, že obidve vybrania (9) naConnection sleeve (1) according to claim 1 or 2, characterized in that both recesses (9) for O krúžky (10) sú v smere zasúvania usporiadané za vybraniami (4) na zvieracie krúžky.The O-rings (10) are arranged behind the recesses (4) for the clamping rings in the insertion direction. 4. Spojovacia objímka (1) podľa jedného z nárokov 1 až 3, vyznačujúca sa tým, že obidve čelné strany (3) majú rovnaký vnútorný priemer.Connection sleeve (1) according to one of Claims 1 to 3, characterized in that the two end faces (3) have the same inner diameter. 5. Spojovacia objímka (1) podlá jedného z nárokov 1 vyznačujúca sa tým, že obidve strany (3) majú rozdielny vnútorný priemer.Coupling sleeve (1) according to one of Claims 1, characterized in that both sides (3) have different inner diameters. až 3, čelnéto 3, frontal
SK1180-2000A 1999-08-12 2000-08-04 Coupling sleeve for the connection of two plastic pipes SK11802000A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29914160U DE29914160U1 (en) 1999-08-12 1999-08-12 Coupling sleeve for connecting plastic pipes

Publications (1)

Publication Number Publication Date
SK11802000A3 true SK11802000A3 (en) 2001-03-12

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Application Number Title Priority Date Filing Date
SK1180-2000A SK11802000A3 (en) 1999-08-12 2000-08-04 Coupling sleeve for the connection of two plastic pipes

Country Status (8)

Country Link
EP (1) EP1076200A1 (en)
DE (1) DE29914160U1 (en)
EE (1) EE200000464A (en)
HR (1) HRP20000514A2 (en)
HU (1) HUP0003085A3 (en)
PL (1) PL341852A1 (en)
SK (1) SK11802000A3 (en)
YU (1) YU49900A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410706B (en) 2000-04-28 2003-07-25 Ke Kelit Kunststoffwerk Gmbh CONNECTING DEVICE FOR A PLASTIC PIPE
DE202007012285U1 (en) 2007-09-01 2009-01-08 Uponor Innovation Ab Plug-in fitting for a plastic-containing pipe
PL2031291T3 (en) 2007-09-01 2011-08-31 Uponor Innovation Ab Insert fitting for a tube comprising plastic material
CN105626804A (en) * 2014-10-28 2016-06-01 哈尔滨飞机工业集团有限责任公司 Flexible connector for guide pipes with same diameter
CN105736875A (en) * 2014-12-10 2016-07-06 哈尔滨飞机工业集团有限责任公司 Flexible connection structure for conduits of different diameters
US11338418B2 (en) * 2020-08-17 2022-05-24 Snap-On Incorporated Joint press adapter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756989A (en) 1969-10-02 1971-04-02 Wavin Bv PIPE CONNECTION WITH COUPLING AGENTS
DE9212228U1 (en) 1992-09-11 1992-11-05 Dipl.-Ing. Dr. Ernst Vogelsang Gmbh & Co Kg, 4352 Herten Plug-in coupling for connecting two plastic pipes
ATE152225T1 (en) * 1992-09-11 1997-05-15 Vogelsang Ernst Gmbh Co Kg INSERT COUPLING FOR CONNECTING TWO PLASTIC PIPES
DE29514029U1 (en) * 1995-09-01 1995-10-26 Dipl.-Ing. Dr. Ernst Vogelsang GmbH & Co KG, 45699 Herten Plug-in coupling for complementary pipelines, especially for complementary cable routing pipelines
US5791698A (en) * 1995-11-29 1998-08-11 Continental Industries, Inc. Plastic pipe coupler with internal sealer

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Publication number Publication date
EE200000464A (en) 2001-04-16
HUP0003085A2 (en) 2001-12-28
HU0003085D0 (en) 2000-10-28
DE29914160U1 (en) 1999-12-02
YU49900A (en) 2002-11-15
PL341852A1 (en) 2001-02-26
HRP20000514A2 (en) 2001-06-30
EP1076200A1 (en) 2001-02-14
HUP0003085A3 (en) 2002-01-28

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