WO2006048086A1 - Bague d'etancheite d'un systeme d'etancheite destine a un point de liaison d'une conduite - Google Patents

Bague d'etancheite d'un systeme d'etancheite destine a un point de liaison d'une conduite Download PDF

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Publication number
WO2006048086A1
WO2006048086A1 PCT/EP2005/010502 EP2005010502W WO2006048086A1 WO 2006048086 A1 WO2006048086 A1 WO 2006048086A1 EP 2005010502 W EP2005010502 W EP 2005010502W WO 2006048086 A1 WO2006048086 A1 WO 2006048086A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
sealing ring
tubes
flange
arrangement
Prior art date
Application number
PCT/EP2005/010502
Other languages
German (de)
English (en)
Inventor
Stefan Bock
Henry Sackewitz
Original Assignee
Elringklinger Ag
Eisenwerke Fried. Wilh. Düker GmbH & Co. KGaA
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 Elringklinger Ag, Eisenwerke Fried. Wilh. Düker GmbH & Co. KGaA filed Critical Elringklinger Ag
Publication of WO2006048086A1 publication Critical patent/WO2006048086A1/fr

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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
    • F16L23/00—Flanged joints
    • F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane
    • F16L23/08—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
    • 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
    • F16L23/00—Flanged joints
    • F16L23/16—Flanged joints characterised by the sealing means
    • F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
    • F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal

Definitions

  • the present invention relates to a sealing ring for a sealing arrangement for sealing a connection point of a pipeline between two tubes, of which at least one is provided with a flange which has an inner side facing the respective other tube and an outer side facing away from the respective tube ,
  • the seal assembly comprises a clamping ring in addition to the sealing ring, which acts on the sealing ring with a contact pressure.
  • Such a sealing ring is known for example from US Pat. No. 3,235,293.
  • This document discloses a sealing arrangement for sealing a joint between two glass tubes, which are each provided with a flange, wherein the sealing arrangement has a cross-sectionally approximately V-shaped sealing ring, an approximately M-shaped cross-section fitting ring and a cross-sectionally also approximately M-shaped Clamping ring includes.
  • the sealing ring is in the assembled state of the Dichtungsan ⁇ order with the interior of the pipe formed from the glass tubes in connection and abuts the mutually facing inner sides of the flanges of these glass tubes, while the fitting ring in the assembled state of the sealing arrangement on the opposite outer sides the flanges of the glass tubes rests. Since the sealing ring and the fitting ring of this sealing arrangement are two separate parts made of different materials, this sealing arrangement is both costly to manufacture and cumbersome to install.
  • the present invention has for its object to provide a sealing ring for a seal assembly of the type mentioned, which is the Manufacture and assembly of a seal assembly with such a sealing ring simplified and yet ensures a reliable seal the kaus ⁇ point of a pipeline.
  • a sealing ring with the features of the preamble of claim 1, characterized in that the sealing ring is integrally formed and a sealing portion which adjoins the interior of the pipeline in the assembled state of the sealing arrangement and minde ⁇ least one Anpressabites, the in the assembled state of the Dichtungsanord ⁇ voltage applied to the outside of a flange comprises.
  • the solution according to the invention is thus based on the concept, the functions of sealing off the interior of the pipeline on the one hand and engaging the flange with a contact force on the other, which in the case of the sealing arrangement known from US Pat. No. 3,235,293 is distributed over two different components are united in a single component, namely the sealing ring according to the invention, which significantly simplifies the manufacture of the sealing arrangement in which the sealing ring is used, and leads to a simpler and more rapid assembly of the sealing arrangement.
  • sealing portion and the Anpressabites are arranged on a ein ⁇ integrally formed sealing ring, also between the interior of the pipe and the outer space of the pipe to be overcome sealing distance can be made particularly long, whereby the sealing effect of the seal assembly is improved.
  • the sealing ring according to the invention absorbs the sealing force from the clamping ring of the sealing arrangement and transmits it to the sealing gap of the sealing arrangement.
  • the sealing ring according to the invention is particularly suitable for the robust construction site use.
  • sealing ring according to the invention can be used together with conventional tubes and clamping rings from existing modular systems.
  • the sealing ring is preferably formed substantially rotationally symmetrical concise ⁇ .
  • the surfaces of the sealing section of the sealing ring contacted by the medium conducted through the pipeline are preferably made of a chemically resistant material, in particular of a fluoropolymer -Material.
  • sealing portion of the sealing ring is preferably formed plastically and / or elastically deformable in order to compensate for tolerances on the opposite ends of the faces to be joined together pipes.
  • the sealing portion of the sealing ring rests in the mounted state of the seal assembly on the inside of at least one flange of the pipes to be connected to each other.
  • the sealing section bears against the inner sides of two mutually opposite flanges of the tubes to be connected to one another.
  • the Dichtab ⁇ section is provided at its radially inner end with a thickening.
  • the radially inward end of the sealing section is at a distance from the axis in the mounted state of the sealing arrangement of the sealing ring, which is substantially equal to or smaller than the radial distance of the inner circumferential surface of at least one of the tubes from this axis.
  • the sealing section covers a sealing gap between the tubes essentially free of dead space.
  • the sealing section has at least two end regions projecting in different directions, of which the mounted state of the seal assembly one rests on the one pipe and another on the other pipe of the pipe.
  • the sealing portion a first leg which rests in the mounted state of the seal assembly on the one of the tubes, a second leg, which rests in the mounted state of the seal assembly on the other tube, and a comprises the first leg and the second leg interconnecting web.
  • the pressing section has a substantially conical contact surface which, in the mounted state, is in contact with the sealing arrangement the An ⁇ pressing force of the clamping ring is acted upon.
  • this contact surface is preferably oriented obliquely to the axis of the sealing ring and obliquely to the radial direction of the sealing ring.
  • the contact pressure section widens in a cross-section from its radially outer end to its radially inner end in the mounted state of the seal arrangement.
  • the sealing portion and the at least one pressing portion of the sealing ring can be directly connected to each other.
  • the sealing ring comprises a central portion which connects the sealing portion and the at least one Anpressabough each other.
  • sealing section and the middle section of the sealing ring have a substantially T-shaped cross section.
  • the at least one Anpress ⁇ section from a rest position in which it extends in a substantially axial direction of the sealing ring, is folded down into a working position in which he extending in a substantially radial direction of the sealing ring.
  • sealing ring can advantageously be clamped to the flange of one of the pipes to be joined together for pre-assembly or latched to the flange, this offers the advantage that the sealing ring and the relevant pipe can be handled as a unit after this pre-assembly, which assures assembly the sealing arrangement simplified.
  • the sealing ring which is premounted on the first pipe has a ring, preferably surrounded by a pressing portion, Has inlet opening into which the second tube is inserted and thereby pre-centered for the subsequent connection of the two tubes.
  • a clamping of the sealing ring on the flange of one of the pipes to be connected to one another can be achieved, in particular, in that the contact-pressure section has a contact surface which, in the assembled state of the sealing arrangement, rests against the outside of a flange of the pipes to be joined together, and the sealing ring comprises a middle section which connects the pressing section to the sealing section and has a contact surface with which the central section rests against a radially outer end of the same flange in the assembled state of the sealing arrangement, the contact surface of the pressing section and the contact surface of the contact section Central portion with each other include an angle of less than 180 ° when the sealing ring is arranged for pre-assembly on one of the tubes.
  • the sealing ring can in principle be formed from any material, in particular a suitable plastic material.
  • the sealing ring is a fluoropolymer material, in particular polytetrafluoroethylene or modified polytetrafluoroethylene, and / or a fluoropolymer compound, in particular a polytetrafluoroethylene compound or a modified polytetrafluoroethylene compound , preferably comprising all of one of said materials.
  • a "modified polytetrafluoroethylene” is to be understood as meaning a polytetrafluoroethylene material in which part of the fluorine atoms of the polytetrafluoroethylene (PTFE) has been replaced by substituents.
  • a fluoropolymer compound is to be understood as meaning a mixture of a fluoropolymer and at least one filler.
  • a polytetrafluoroethylene compound is a mixture of a polytetrafluoroethylene material and one or more fillers and a modified polytetrafluoroethylene compound is a mixture of a modified polytetrafluoroethylene material and one or more fillers.
  • Claim 20 is directed to a sealing arrangement for sealing a Verbin ⁇ dungsstelle a pipe between two tubes, of which at least one is provided with a flange, which comprises a clamping ring and a sealing ring according to the invention.
  • a special embodiment of such a sealing arrangement may comprise a spacer ring which is arranged in the assembled state of the Dichtungsanord ⁇ voltage in a sealing gap between the pipes of the pipeline and on the interior of the pipe facing away from the outside of the sealing portion of the sealing ring.
  • Such a spacer ring can in particular encompass an elastomeric material and preferably be formed entirely from the elastomeric material.
  • Claim 23 is directed to a pipeline comprising at least two tubes, at least one of which is provided with a flange, and a sealing arrangement according to the invention for sealing a connection point between the two tubes.
  • FIG. 1 shows a connection point of a pipeline with two tubes, which are each provided with a flange, and with a sealing arrangement, which comprises a two-part clamping ring and a (only partially shown) sealing ring.
  • Figure 2 is a schematic axial section through the junction of the pipe of Figure 1, before tightening the clamping ring ..;
  • Figure 3 is a schematic axial section through the junction of the pipe of Figure 2, after tightening the clamping ring ..;
  • FIG. 4 shows a schematic axial section through a connection point of a pipeline with a second embodiment of the sealing arrangement, the sealing ring of which has a sealing section which extends in the radial direction as far as the inner circumferential surface of the tubes, before tightening the clamping ring;
  • Figure 5 is a schematic axial section through the junction with the second embodiment of the seal assembly of Figure 4, after tightening the clamping ring ..;
  • FIG. 6 shows a schematic axial section through a connection point of a pipeline with a third embodiment of the sealing arrangement, the sealing ring of which has short contact pressure sections has, which do not extend in the mounted state of the Dichtungsanord ⁇ tion up to the outer surface of the tubes, before tightening the clamping ring;
  • Figure 7 is a schematic axial section through the junction with the third embodiment of the seal assembly of Figure 6, after tightening the clamping ring ..;
  • FIG. 8 shows a schematic axial section through a connection point of a pipeline with a fourth embodiment of the sealing arrangement, the sealing section of which has an outer area and two end areas projecting from the outer area in different directions, before tightening the clamping ring;
  • FIG. 9 shows a schematic axial section through the connection point with the fourth embodiment of the sealing arrangement from FIG. 8, after the tightening of the clamping ring;
  • FIG. 10 shows a schematic axial section through a connection point of a pipeline with a fifth embodiment of the sealing arrangement, the sealing section of which is formed as a thin film, on the outside of which an elastomeric O-ring is arranged before the tightening ring is tightened ;
  • Fig. 11 is a schematic axial section through the junction with the fifth embodiment of the seal assembly of Fig. 10, after tightening the clamping ring.
  • Rohrlei ⁇ device comprises two substantially hollow cylindrical tubes 102 which are aligned coaxially to a common axis 104 and at their mutually zuge ⁇ facing ends in each case with a in the radial direction outside abble ⁇ the, annular flange 106 are provided.
  • the two tubes 102 may be formed, for example, as metal tubes, at least partially surface-coated, in particular enameled, preferably sheet-steel tubes.
  • a sealing gap 112 extending in the axial direction and in the radial direction remains between the mutually facing inner sides 110 of the flanges 106, which by means of a 114 as a whole Sealed seal assembly is sealed to the operation of the pipeline 100 by a fluid, ie liquid or gaseous, medium flowing through the interior 116 of the pipe 100 fluid-tight manner to be separated from the outer space 118 of the pipeline.
  • This sealing arrangement 114 comprises an annularly closed, substantially rotationally symmetrical and coaxial with the tubes 102 arranged sealing ring 120, which extends into the sealing gap 112 into, with the medium in the interior of the pipe 116 directly in contact and in the assembled state of Dichtungsanord ⁇ tion 114 on the inner sides 110 of the two flanges adjacent Dichtab ⁇ section 122, a radially outwardly to the sealing portion 122 an ⁇ closing and externally applied to the radially outer end surfaces 124 of the flanges 106 center I section 126 and two with the central portion 126 connected pressing sections 128 includes.
  • Each of the press-on sections 128 can be tilted from a rest position shown in FIG. 2, in which it extends in a substantially axial direction of the sealing ring 120, into the working position shown in FIG. 3, in which it moves in a substantially radial direction Seal ring 120 extends.
  • Each of the contact pressure sections 128 extends from its radially outer end 130 in the mounted state of the seal arrangement (see FIG. 3) to its radially inner end 132 in the assembled state of the seal arrangement 114, so that each of the contact pressure sections 128 has an assembled one Condition of the seal assembly 114 substantially nikring ⁇ shaped, radially aligned inner contact surface 134 and in the mounted state of the seal assembly 114 at least partially in wesent ⁇ union truncated cone-shaped outer contact surface 136 has.
  • each pressing portion 128 from the rest position into the working position takes place about the radially outer end 130 of the respective pressing portion 128, which forms a constriction between the respective pressing portion 128 and the middle portion 126 and also as a connecting point 138 between the pressing portion 128 and the central portion 126 may be referred to.
  • connection point can be designed in particular as a film hinge.
  • the central portion 126 of the sealing ring 120 has a substantially recht ⁇ angular cross-section, the radially outer corner areas may be rounded.
  • the radially inwardly extending from the central portion 126 sealing portion 122 includes an outer portion 140 connected to the central portion 126, whose axial extent is significantly smaller than the axial extent of the central portion 126 and also significantly lower than that axial extent of the sealing gap 112 in the assembled state of the Dichtungs ⁇ arrangement 114 (see Fig. 3), and a radially inwardly adjoining the outer portion 140 inner region 142 which is formed as a thickening, which of the center plane 144 of the sealing ring 120 protrudes in mutually opposite axial directions to the inner sides 110 of the flanges 106 out and a much larger axial extent auf ⁇ has as the outer portion 140 of the sealing portion.
  • the sealing arrangement 114 further comprises a two-part clamping ring 148, which is composed of two half-rings 150, each extending over a circumferential angle of approximately 180 ° from a first, radially outwardly projecting end flange 152 or 152a to a second, radially outwardly projecting end flange 154th and in the region between the end flanges 152, 154 have the substantially U-shaped cross-section shown in FIGS. 2 and 3 with two substantially radial legs 156 and an axial web 158 interconnecting the two radial legs 156.
  • the two radial legs 156 are bent so that their free, radially inner end portions 160 diverge, so that the interior of the clamping ring 148 widens toward the sealing ring 120, which facilitates the placement of the clamping ring 148 on the sealing ring 120.
  • the end flanges 152, 152a or 154 of the half rings 150 of the clamping ring 148 which are in each case paired in the mounted state of the sealing arrangement 114, are each provided with through holes 162 or 162a for one clamping screw 164 each.
  • the tensioning of the two half rings 150 against one another and thus the tightening of the clamping ring 148 against the sealing ring 120 can take place, for example, by a clamping screw 164 being inserted through the through-holes 162, 162a in mutually opposite end flanges 152, 152a and by means of a nut (not shown) is secured, in which the clamping screw 164 is turned for tightening the clamping ring 148Symbol ⁇ .
  • each clamping screw 164 hin barn ⁇ inserted through a first passage hole 162 in a first end flange 152 and into a provided with an internal thread through hole 162a in the respective opposite end flange 152a is screwed to tighten the clamping ring 148.
  • the clamping ring 148 and the clamping screws 164 are preferably formed of a metallic material.
  • the sealing ring 120 is preferably formed from a chemically resistant fluorine polymer material, in particular from polytetrafluoroethylene or from a polytetrafluoroethylene compound.
  • the sealing ring 120 may in particular be produced as a turned part.
  • the procedure is as follows: First, the sealing ring 120 is preassembled with the An ⁇ pressabrisken 128 in the rest position on the flange 106 of one of the tubes 102 to be connected to each other (for example, on the flange 106 of the tube 102 a shown on the right in FIGS. 2 and 3) by the sealing ring 120 is pushed onto the flange 106 from the inner side 110 of the respective flange 106 such that the inner contact surface 134 slides along the radially outer edge of the flange 106 until the preassembly position shown in FIG.
  • the inner contact surface 134 of the pressing portion 128 associated with the flange 106 encloses an obtuse angle with the contact surface 166a of the central portion 126, which is smaller than 180 °, so that for removing the sealing ring 120 from the flange 106, the pressing portion applies 128 would have to be pivoted outward around the connection point 138, for which purpose an elastic restoring force of the sealing ring 120 would have to be overcome.
  • the sealing ring 120 is thus secured after being pushed onto the flange 106 by clamping action on the flange 106 and thereby preassembled on the flange 106, so that subsequently the tube 102a and the sealing ring 120 mounted thereon can be handled as one unit.
  • the second tube 102b (for example, that shown in FIGS tube shown on the left) is introduced into the inlet opening of the sealing ring 120 surrounded by the second pressing section 128 in the rest position and moved along the axis 104 toward the first tube 102a until the preassembly position shown in FIG the sealing ring 120 also on the inner side 110 of the flange 106 of the second tube 102b with the inner portion 142 of its sealing portion 122 and on the radially outer end surface 124 of the flange 106 of the second tube 102b with the lying between the sealing portion 122 and the second pressing portion 128b second cylindrical contact surface 166b is applied.
  • the sealing ring 120 is secured to the flange 106 of the second tube 102b as well by clamping action as on the flange 106 of the first tube 102a, as well as the inner contact surface 134 of the second Anpressabitess 128b with the contact surface 166b of Mittelab ⁇ section 126 dull Includes angle which is smaller than 180 °.
  • the two half rings 150 of the clamping ring 148 are guided from opposite sides of the pipeline 100 to the connection point 108, so that in each case an end flange 152, 154 of a half ring 150 and an end flange 152a, 154 of the other half-ring 150 face, and then the clamping ring 148 is tightened against the sealing ring 120 by the two half-rings 150 are pulled in the manner already described above by means of two clamping screws 164 against each other.
  • the sealing arrangement 114 described above is thus characterized by a particularly long sealing distance.
  • each remaining Zwi ⁇ space is substantially completely filled by the material of the arranged in this gap pressing member 128.
  • a second embodiment of the sealing arrangement 114 shown in FIGS. 4 and 5 differs from the first embodiment described above in that the sealing section 122 of the sealing ring 120 in the second embodiment is not radially outside the inner lateral surfaces, as in the first embodiment 172 of the tubes 102 ends, but is much longer extended so far radially inward, that its radially inner end surface 174 with the inner lateral surfaces 172 of the tubes 102 is wesent ⁇ flush.
  • the inner region 142 of the sealing section 122 is designed so that its cross-section extends continuously from its radially outer end to its radially inner end surface 174, and the sealing surfaces 146 on both sides of the middle plane 144 are curved so that they cling as well as possible to the curvature of the inner sides 110 of the flanges 106 in their radially inward Endbe ⁇ rich, whereby a particularly good sealing effect is achieved.
  • FIGS. 4 and 5 are identical in terms of design, function and method of installation to the first embodiment shown in FIGS. 1 to 3, to the extent of which the foregoing description makes reference.
  • a third embodiment of the sealing arrangement 114 shown in FIGS. 6 and 7 differs from the embodiment shown in FIGS. 1 to 3 in that the contact pressure sections 128 in the third embodiment are shorter, so that these Pressing sections 128 in the working position or final assembly position shown in FIG. 7 do not reach the outer surfaces 170 of the tubes 102, but terminate at a distance from them.
  • the Anpressabroughe 128 When tightening the clamping ring 148, the Anpressabroughe 128 adapt to the inclination of the inner sides of the radial leg 156 of the clamping ring 148, so that in the final assembly shown in Fig. 7 also in this Embodiment, the outer contact surfaces 136 of the Anpressabête 128 are obliquely aligned (for example, at an angle of about 70 ° to about 85 °) to the axis 104 of the sealing ring 120.
  • part of the radially acting contact pressure of the clamping ring 148 is deflected into a contact force acting on the flanges 106 in the axial direction, so that in this embodiment as well, the flange 106 is reduced by means of the clamping ring 148 while reducing the sealing gap 112 be pulled against each other.
  • the thickening of the inner region 142 of the sealing section 122 is less pronounced compared to the outer region 140 of the sealing section 122 in the third embodiment than in the first embodiment, so that in this embodiment in the Montageend ⁇ shown in Fig. 7 position the sealing gap 112 is reduced to such an extent that not only the inner region 142 but also the outer region 140 of the sealing portion 122 is flush with the inner sides 110 of the flanges 106 and thus contributes to the sealing effect.
  • the sealing section 122 thus fills the entire area of the sealing gap 112 between the radially outer end surfaces 124 of the flanges 106 and the radially inner end surface 174 of the sealing section 122 in the final assembly position substantially completely.
  • the third embodiment of the sealing arrangement 114 shown in FIGS. 6 and 7 is identical in terms of structure, function and method of installation to the first embodiment shown in FIGS. 1 to 3, to the extent of which the foregoing description makes reference.
  • a fourth embodiment of the sealing arrangement 114 shown in FIGS. 8 and 9 differs from the first one shown in FIGS. 1 to 3 Embodiment in that the inner portion 142 of the sealing portion 122 of the sealing ring 120 is not formed, as in the first embodiment, in the form of a thickened bead, but instead has a split shape with two webs 176 extending from the median plane 144 aus ⁇ extend in opposite directions to each one of the flanges 106.
  • each of the webs 176 is in fluid-tight contact with an inner side 110 of one of the flanges 106.
  • the contact force required on the sealing surfaces 146 for the sealing is generated in this embodiment by the elastic restoring force of the sealing section 122.
  • This embodiment of the sealing arrangement 114 makes it possible to bridge particularly wide sealing gaps 112 between the flanges 106 with as little as possible use of material for the sealing ring 120 and / or to compensate for particularly large axial tolerances in the geometry of the flanges 106.
  • the fourth embodiment of the sealing arrangement 114 shown in FIGS. 8 and 9 agrees with respect to structure, function and method of installation with the first embodiment shown in FIGS. 1 to 3, to the extent of which the above description is made.
  • a fifth embodiment of the sealing arrangement 114 shown in FIGS. 10 and 11 differs from the first embodiment shown in FIGS. 1 to 3 in that the middle section 126 of the sealing ring 120 in this fifth embodiment is not in one piece but in two parts 126a, 126b is executed, which by a thin, in cross-section U-shaped bent film formed sealing portion 122 are ver ⁇ tied together.
  • the cross-sectionally U-shaped sealing portion 122 of this embodiment thus comprises a first leg 181a abutting the flange 106 of the first tube 102a, a second leg 181b abutting the flange 106 of the second tube 102b, and a second leg 181b connecting the two legs 181a, 181b the sealing gap 112 bridging web 183rd
  • the inner side 178 of the sealing section 122 facing the flanges 106 of the tubes 102 to be connected to one another lies flat against the inner sides 110 of the flanges 106 both in the previous day position (see FIG. 10) and in the final assembled state (see FIG. 11) so that these areas of the inner side 178 of the sealing portion 122 form the sealing surfaces 146 of the sealing portion 122 of this embodiment.
  • the contact force required for the sealing acts on the sealing surfaces 146 in this embodiment by means of a introduced into the sealing portion 122 and the outside 180 of the same, in the axial direction elastically deformable spacer ring 182, for example in the form of an O-ring of elastomeric Material, generated.
  • This spacer ring 182 can be loosely mounted on the sealing ring 120 or else permanently and non-rotatably connected to the sealing ring 120.
  • This embodiment is also particularly suitable for bridging wide Dchtspale 112 and / or to compensate for large axial tolerances on the flanges 106 of the tubes 102 to be joined together.
  • the elastomeric material of the spacer ring 182 is separated by the sealing portion 122 of the medium 116 flowing through the interior of the pipe 100, so that there is no danger that the material of the spacer ring 182 is attacked by this medium.
  • the fifth embodiment of the sealing arrangement 114 shown in FIGS. 10 and 11, with regard to construction, function and installation, is identical to the first embodiment shown in FIGS. 1 to 3, to the extent of which the foregoing description makes reference becomes.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

L'invention concerne une bague d'étanchéité (120) d'un système d'étanchéité (114) destiné à l'étanchéification d'un point de liaison (108) d'une conduite (100) entre deux tuyaux (102) dont au moins un est doté d'une collerette (106) qui présente une face interne (110) tournée vers l'autre tuyau respectif et une face externe (168) opposée à l'autre tuyau respectif. Le système d'étanchéité (114) comporte non seulement la bague d'étanchéité (120) mais aussi un collier tendeur (148) qui applique une force de pression sur la bague d'étanchéité (120). L'invention vise à créer une telle bague d'étanchéité qui simplifie la production et le montage d'un système d'étanchéité (114) avec une telle bague d'étanchéité (120) tout en garantissant une étanchéification fiable du point de liaison (108) d'une conduite (100). A cet effet, la bague d'étanchéité (120) est réalisée d'une seule pièce et comprend une section d'étanchéité (122) qui, lorsque le système d'étanchéité (114) est monté, est adjacente à l'espace interne (116) de la conduite (100) et au moins une section de pression (128) qui, lorsque le système d'étanchéité (114) est monté, est en contact avec la face externe (168) d'une collerette.
PCT/EP2005/010502 2004-10-29 2005-09-28 Bague d'etancheite d'un systeme d'etancheite destine a un point de liaison d'une conduite WO2006048086A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004052706.7 2004-10-29
DE200410052706 DE102004052706A1 (de) 2004-10-29 2004-10-29 Dichtring für eine Dichtungsanordnung zum Abdichten einer Verbindungsstelle einer Rohrleitung

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WO2006048086A1 true WO2006048086A1 (fr) 2006-05-11

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CN102226492A (zh) * 2011-05-24 2011-10-26 天津大学 一种用于螺栓腐蚀和线密封的法兰夹具
US20170254455A1 (en) * 2014-09-23 2017-09-07 Fr. Jacob Söhne Gmbh & Co. Kg Folded sealing ring and device for detecting components of a folded sealing ring
US20200049285A1 (en) * 2018-08-09 2020-02-13 Altura Manufacturing, LLC Pipe coupling
US11629804B1 (en) 2022-04-20 2023-04-18 Carolina Components Group, Inc. Asymmetric clamp for joining sanitary fittings

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DE102010053535A1 (de) 2009-12-10 2011-06-16 Schaeffler Technologies Gmbh & Co. Kg Verbindung zweier Flansche
DE202016104450U1 (de) 2016-08-12 2017-11-14 Promat Gmbh Rohrleitungssystem

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GB913904A (en) * 1960-03-02 1962-12-28 Corning Glass Works Pipe coupling
US3235293A (en) * 1965-01-22 1966-02-15 Owens Illinois Glass Co Glass pipe coupling
DE3113912A1 (de) * 1981-04-07 1982-10-28 Günter 7518 Bretten Hemmrich Vorrichtung zur dichten verbindung zweier hohlkoerper
DE4009403A1 (de) * 1990-03-23 1991-09-26 Schott Glaswerke Rohrleitungskupplung, rohrleitung sowie verfahren zur montage einer rohrleitung
US5257834A (en) * 1990-09-07 1993-11-02 Rasmussen Gmbh Pipe coupling
EP1245890A1 (fr) * 2001-03-27 2002-10-02 Fr. Jacob Söhne GmbH & Co. Elément d'étanchéité et ensemble de raccordement

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467613A (en) * 2009-05-28 2010-08-11 Stannseal Ltd Pipe coupling device
WO2010136750A1 (fr) * 2009-05-28 2010-12-02 Stannseal Ltd Dispositif de raccord de tuyau
GB2467613B (en) * 2009-05-28 2011-02-23 Stannseal Ltd Pipe coupling device
CN102226492A (zh) * 2011-05-24 2011-10-26 天津大学 一种用于螺栓腐蚀和线密封的法兰夹具
CN102226492B (zh) * 2011-05-24 2013-06-12 天津大学 一种用于螺栓腐蚀和线密封的法兰夹具
US20170254455A1 (en) * 2014-09-23 2017-09-07 Fr. Jacob Söhne Gmbh & Co. Kg Folded sealing ring and device for detecting components of a folded sealing ring
US20200049285A1 (en) * 2018-08-09 2020-02-13 Altura Manufacturing, LLC Pipe coupling
US11629804B1 (en) 2022-04-20 2023-04-18 Carolina Components Group, Inc. Asymmetric clamp for joining sanitary fittings
USD986049S1 (en) 2022-04-20 2023-05-16 Carolina Components Group, Inc. Asymmetric clamp for joining sanitary fittings

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