EP0248685A1 - Schlauchförmige Abdichtung, gebildet aus zwei Roll-Membranen unter schwachem Überdruck für eine ringförmige Übergangseinrichtung - Google Patents

Schlauchförmige Abdichtung, gebildet aus zwei Roll-Membranen unter schwachem Überdruck für eine ringförmige Übergangseinrichtung Download PDF

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Publication number
EP0248685A1
EP0248685A1 EP87400784A EP87400784A EP0248685A1 EP 0248685 A1 EP0248685 A1 EP 0248685A1 EP 87400784 A EP87400784 A EP 87400784A EP 87400784 A EP87400784 A EP 87400784A EP 0248685 A1 EP0248685 A1 EP 0248685A1
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EP
European Patent Office
Prior art keywords
tubular joint
membranes
joint according
vehicles
tubular
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP87400784A
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English (en)
French (fr)
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EP0248685B1 (de
Inventor
Jean-Pierre Bechu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pneumatiques Caoutchouc Manufacture et Plastiques Kleber Colombes SA
Original Assignee
Pneumatiques Caoutchouc Manufacture et Plastiques Kleber Colombes SA
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Application filed by Pneumatiques Caoutchouc Manufacture et Plastiques Kleber Colombes SA filed Critical Pneumatiques Caoutchouc Manufacture et Plastiques Kleber Colombes SA
Priority to AT87400784T priority Critical patent/ATE72181T1/de
Publication of EP0248685A1 publication Critical patent/EP0248685A1/de
Application granted granted Critical
Publication of EP0248685B1 publication Critical patent/EP0248685B1/de
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
    • B61D17/22—Communication passages between coaches; Adaptation of coach ends therefor flexible, e.g. bellows

Definitions

  • the invention relates to rail or road vehicles for travelers, where interconnection by a weatherproof and noise-tight gangway is provided between several successive vehicles. By extension, it is also applicable to gateways for access to an aircraft or to a ship having similar kinematics.
  • a current orientation in railway construction is to provide passengers with free movement along the length of the train with as few physical or visual obstacles as possible.
  • An improvement in the services offered on the train, a possible distribution of crowds and security against attacks and acts of vandalism are sought by means of open traffic as wide as possible over the entire width of the boxes and without making use of doors. separation even automatic.
  • Tramway systems use a rigid gangway, which can have soundproofing the body walls, each half of which will pivot around a vertical axis secured to each body and will be fitted with appropriate seals.
  • Patent FR 2,357,409 of Alsthom Atlantique describes a means of connecting these two halves of the intercirculation compartment by a transverse horizontal axis close to the floor and supported by a median bogie between two boxes, thus linked in roll, but this system is unsuitable for binding a number of cases greater than two.
  • Document EP 0134 202 from Fiat Ferroviara Savigliano describes a means of connecting two compartment halves by a single common point provided by a ball joint, conventional seals between the rigid walls which must allow roll movement between the vehicles thus connected .
  • the patent application FR .2.571.010 of the RATP describes an intercirculation device between rail vehicles positioned, at each of its ends on the ends of the bodies of vehicles by means of a deformable pneumatic seal.
  • the invention aims to propose a device, usable for the tight connection of rail or road vehicles but also of access gangways to ships or planes which is simple and economical to manufacture and which has all the mechanical properties, sound insulation and fire resistance necessary for the application.
  • the invention consists in disposing, in order to form a flexible tubular joint, two U-shaped membranes, -assembled, at rest, by the plane of symmetry of said tubular joint-, perfectly sealed and continuous, over the entire periphery of a compartment in the form of an intercirculation ring and to introduce, into the closed deformable enclosure, thus formed, a moderate pressure relative to atmospheric pressure, for example an overpressure of the order of 0.2 bars.
  • the loads - permanent and variable - of a few hundred kilograms are balanced, at the same radius of curvature of the free part, by a difference in support of a few centimeters made between the top seal, located in the ceiling, and the bottom seal , located under the floor, said difference being measured in the longitudinal direction of the vehicles.
  • Such a low pressure - of the order of 0.2 times atmospheric pressure - is very low to keep entire months, permanently, with periodic control or automatic detection, which constitutes an excellent means of warning before failure, at the slightest crack, long before the joint's rolling possibilities are compromised.
  • Figure 1 is a view along the axis of the vehicle, cut by the fixing plane of the tubular joint according to the invention.
  • the tubular joint (1) is secured to the vehicle body (5) by a rigid frame (2) for external fixing. It is another rigid frame (3) for internal fixing which provides the connection with the intercirculation ring (7).
  • the tightening of the tubular joint (1), by bolts (or by rivets), is done in a direction parallel to the axis of the vehicles.
  • the internal pressure is introduced and controlled by known means such as a valve (4) which can be placed anywhere in the tubular joint (1).
  • FIG. 2 is a horizontal section along AA ⁇ of Figure 1, the side walls of the vehicle bodies (5a) and (5b) and the intercirculation ring (7), all floors removed.
  • the housing with parallel faces of the two tubular seals (1) is extended by an external profile (8), for the vehicle bodies (5a) and (5b) and by an internal profile (9) for the intercirculation ring ( 7), these two profiles (8) and (9) being here shown bevelled at their end.
  • the generally planar bearing face of the tubular seals (1) can optionally receive a cylindrical curvature around the axes (B) and (B ⁇ ).
  • Figure 3 is an enlargement of Figure 2 which details the U-shaped section of the two membranes (1a) and (1b) forming the tubular joint.
  • Said membranes (1a) and (1b) are not subjected, in service, to significant stresses and deformations which would require a formulation of the rubber-based mixture giving it great resistance to dynamic weariness.
  • the designer of mixtures is therefore free to seek a composition of the rubber-based mixture allowing him to achieve fire resistance and / or improved sound insulation characteristics.
  • the elastomer from polymers having, in their molecular structure, halogen atoms such as chlorine or bromine.
  • the mixture formulator can select, by way of nonlimiting examples, polychloroprene, chlorinated polyethylene, chlorobutyl or bromobutyl. Elastomers containing fluorine atoms in their molecule could also be used, but this solution does not go in the direction of the desired economy.
  • the formulator of mixtures also has a large palette in which it will advantageously choose from the class of borates - such as sodium borate - or also from chlorinated paraffins which will have to be associated with antimony oxide or still hydrated alumina.
  • the designer of mixtures can combine with the above-mentioned elastomers fillers based on lead salts or oxides such as litharge.
  • a convenient implementation of said tubular joint (1) consists of a prior fixing, by fitting or by screwing the studs (10), straddling the frames (2) and (3), where the membranes (1a) and (1b ) - preferably pre-drilled - are threaded, before this assembly is placed, on one side on the vehicle body (5) and the interior profile (9), on the other side on the exterior profile ( 8) and the intercirculation ring (7) itself.
  • the inflation and control valve (represented in (4) in FIG. 1) will advantageously consist of a tube secured to the rigid outer frame (2) and located at a low point thus allowing the evacuation of any condensation.
  • FIG. 4 represents a deformed position of the assembly which is illustrated in the aligned position in FIG. 2.
  • Figure 5 is a schematic enlargement of the areas of particular interest to the tubular joint (1), according to the invention. Only the diagram of the maximum deformations that said tubular joint (1) has to undergo in the entire vertical part along the side walls (5) and the intercirculation ring (7), according to the cutting plane AA ⁇ of the figure. 1.
  • the order of magnitude of the rigidity provided by this link will be close to 1 centimeter for values at the limit of lateral comfort such as 0.15 times the gravity.
  • the tubular joint (1) must pass, very repetitively, from the position as close as possible as shown in view 5a to the position stretched as far as possible shown in view 5b.
  • This torsional deformation of the tubular joint (1) is distributed over the approximate width of the vehicle, only by shearing of the material in a longitudinal plane of the vehicle, shearing of the order of 10% in relative value; such a low deformation rate guarantees a very long fatigue life and allows the choice of rubber-based mixtures optimized more particularly for their fire resistance.
  • a rolling of the tubular joint (1) parallel to the axis of the vehicles due to the small elastic variations in length of the coupling between the consecutive vehicles (5a) and (5b) will be, by definition, without any effort, at constant length (1) of the wave formed by the membranes (1a) and (1b) (see Figures 2 and 3).
  • the two support faces of length (c) shift on the rigid walls with unwinding by bending of the tubular joint, this constituting the only constraint, minute, which is opposed to displacement.
  • FIG. 6 represents a possible variant, advantageous for the kinematics of the floors, when the instantaneous vertical axes of rotation (B) or (B prompt) are distant from the plane of installation of the tubular joints (1).
  • the intercirculation ring (7) surrounds the end of the vehicle bodies (5), unlike the previous configurations where it was inside.
  • Figure 7 is an enlargement of Figure 6, in the area of the tubular joint (1).
  • the extensions (8a) and (9a) are conical in the curved parts; they are rectilinear and oblique in the lateral and horizontal walls.
  • one of the essential characteristics of the invention remains: it is the fixing of the tubular joint (1), by its plane assembly, perpendicular to the axis of the vehicles.
  • the U-shaped membrane (1a) and (1b) manufacturing method does not require any modification, for this configuration, compared to that described in FIG. 3 due to the very great deformability of the part.
  • One of the most economical manufacturing methods is the production by molding, in one piece, from a continuous rubber blank, placed in a compression mold having the size of the part and which can be heated. by any means used in the rubber processing industry, such as an autoclave, elastic stirrups ensuring the sealed closure of the mold during the operation. The holes in the membranes can be obtained in this way, upon molding.
  • Another possible embodiment, even more favorable to sound insulation, is the replacement of the area, in the internal volume defined by the U-shaped membranes, by a heavy gas whose speed of propagation of sounds is lower than that of air, such as carbon dioxide, which improves the fatigue life of rubber compounds and is safe for passengers in the event of a leak or fire.
  • a heavy gas whose speed of propagation of sounds is lower than that of air, such as carbon dioxide, which improves the fatigue life of rubber compounds and is safe for passengers in the event of a leak or fire.
  • this gas also has the advantage, in the event of a fire, of increasing the fire resistance of the tubular joint by limiting the presence of oxygen in contact with it and therefore by reducing combustion.
  • the flexible tubular joint consisting of two rolling membranes, U-shaped, associated according to the plane of symmetry of said joint and containing a gas - usually air - with a low overpressure compared to atmospheric pressure
  • object of the invention has the following advantages: - it is capable of withstanding all the mechanical stresses exerted on an intercirculation ring ensuring the connection between two rail or road vehicles or access walkways, allowing a clear passage over the entire width, - it offers very long durability, - it provides good sound insulation in the formable parts, at the same level as that of the normal walls of vehicle bodies, - it can be produced in a rubber-based mixture to which its formulation confers fire-fighting properties, - it is economical to manufacture since it does not include any reinforcing element, - it is simple to set up, thanks to a pre-assembly allowing easy handling, - it "warns" of the imminent failure, thanks to the periodic or permanent control of the pressure of the gas contained in the closed volume formed by the two U

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Joints Allowing Movement (AREA)
  • Gasket Seals (AREA)
  • Tires In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
EP87400784A 1986-05-27 1987-04-08 Schlauchförmige Abdichtung, gebildet aus zwei Roll-Membranen unter schwachem Überdruck für eine ringförmige Übergangseinrichtung Expired - Lifetime EP0248685B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87400784T ATE72181T1 (de) 1986-05-27 1987-04-08 Schlauchfoermige abdichtung, gebildet aus zwei roll-membranen unter schwachem ueberdruck fuer eine ringfoermige uebergangseinrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8607696 1986-05-27
FR8607696A FR2599308B1 (fr) 1986-05-27 1986-05-27 Joint tubulaire forme de deux membranes roulantes sous faible surpression pour anneau d'intercirculation

Publications (2)

Publication Number Publication Date
EP0248685A1 true EP0248685A1 (de) 1987-12-09
EP0248685B1 EP0248685B1 (de) 1992-01-29

Family

ID=9335766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400784A Expired - Lifetime EP0248685B1 (de) 1986-05-27 1987-04-08 Schlauchförmige Abdichtung, gebildet aus zwei Roll-Membranen unter schwachem Überdruck für eine ringförmige Übergangseinrichtung

Country Status (7)

Country Link
US (1) US4819565A (de)
EP (1) EP0248685B1 (de)
AT (1) ATE72181T1 (de)
CA (1) CA1278464C (de)
DE (1) DE3776407D1 (de)
ES (1) ES2028887T3 (de)
FR (1) FR2599308B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033395A (en) * 1988-03-25 1991-07-23 Caoutchouc Manufacture Et Plastiques Membrane system for connecting railway vehicles or the like
WO1999058384A1 (de) * 1998-05-13 1999-11-18 Deutsche Bahn Aktiengesellschaft Schienenfahrzeug

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3807167A1 (de) * 1988-03-04 1989-09-14 Huebner Gummi & Kunststoff Uebergangseinrichtung fuer schienenfahrzeuge
US5102150A (en) * 1991-02-19 1992-04-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Pressure vessel flex joint
JP3962463B2 (ja) * 1997-11-28 2007-08-22 株式会社成田製作所 車両用連結幌
US6067911A (en) 1998-03-25 2000-05-30 Burrell Leder Beltech, Inc. Flexible vandal-resistant panels
FR2846727B1 (fr) * 2002-10-30 2005-02-18 Claude Bresso Agencement de joint d'etancheite pour deux pieces articulees
GB2420105A (en) * 2004-11-15 2006-05-17 Bombardier Transp Gmbh Inflatable escape chute for a train
US8757629B2 (en) * 2008-04-29 2014-06-24 Thermal Structures, Inc. Thermal seal and methods therefor
DE102010005250B4 (de) * 2010-01-20 2013-03-21 Db Fernverkehr Ag Schienenfahrzeug für einen Fahrbetrieb auf Gleisanlagen mit Schotter-Oberbau
DE202010011337U1 (de) * 2010-08-12 2010-10-21 Bohnet, Hans System zur Abdichtung eines Rohrleitungssystems
ES2526413T3 (es) * 2011-02-16 2015-01-12 HÜBNER GmbH & Co. KG Pasarela entre dos coches de un vehículo sobre carriles, particularmente de un vehículo de alta velocidad sobre carriles
KR102122076B1 (ko) * 2018-05-21 2020-06-26 한국철도기술연구원 하이퍼튜브용 실링장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB566016A (en) * 1943-03-22 1944-12-08 Du Pont Improvements in or relating to neoprene compositions
FR2270495A1 (de) * 1974-05-10 1975-12-05 Cockerill
FR2333657A1 (fr) * 1975-12-02 1977-07-01 Huebner Gummi & Kunststoff Soufflet pour le passage entre les elements individuels de vehicules a plusieurs elements ou articules
EP0177424A1 (de) * 1984-10-02 1986-04-09 R.A.T.P. REGIE AUTONOME DES TRANSPORTS PARISIENS Etablissement public à caractère industriel et commercial Durchgang zwischen Eisenbahn-Personenwagen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US487776A (en) * 1892-12-13 Edgar c
US474796A (en) * 1892-05-10 Vestibule connection for cars
FR61872E (fr) * 1951-07-30 1955-05-18 Ile D Etudes D App S Et D Equi Tuyau en matière synthétique incombustible
US3399632A (en) * 1966-06-24 1968-09-03 Budd Co Railway car diaphragm and buffer structure
US3996859A (en) * 1975-04-18 1976-12-14 The Budd Company Railway vehicle diaphragm face plate assembly
DE3124682C2 (de) * 1981-06-24 1986-04-30 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Wagenübergangseinrichtung für spurgeführte Hochgeschwindigkeitsfahrzeuge
FR2583350B1 (fr) * 1985-06-14 1989-04-21 Caoutchouc Manuf Plastique Tunnel d'intercirculation entre vehicules

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB566016A (en) * 1943-03-22 1944-12-08 Du Pont Improvements in or relating to neoprene compositions
FR2270495A1 (de) * 1974-05-10 1975-12-05 Cockerill
FR2333657A1 (fr) * 1975-12-02 1977-07-01 Huebner Gummi & Kunststoff Soufflet pour le passage entre les elements individuels de vehicules a plusieurs elements ou articules
EP0177424A1 (de) * 1984-10-02 1986-04-09 R.A.T.P. REGIE AUTONOME DES TRANSPORTS PARISIENS Etablissement public à caractère industriel et commercial Durchgang zwischen Eisenbahn-Personenwagen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033395A (en) * 1988-03-25 1991-07-23 Caoutchouc Manufacture Et Plastiques Membrane system for connecting railway vehicles or the like
WO1999058384A1 (de) * 1998-05-13 1999-11-18 Deutsche Bahn Aktiengesellschaft Schienenfahrzeug

Also Published As

Publication number Publication date
ES2028887T3 (es) 1992-07-16
EP0248685B1 (de) 1992-01-29
US4819565A (en) 1989-04-11
FR2599308A1 (fr) 1987-12-04
ATE72181T1 (de) 1992-02-15
DE3776407D1 (de) 1992-03-12
CA1278464C (fr) 1991-01-02
FR2599308B1 (fr) 1990-03-09

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