baber/WOPTO huggingface dataset:
Patent DE-10151430-A1 (DE)
Inventor: GOERL UDO
IPC: C08K3/36
Filed: 2001-10-18
Abstract: Preparation of silicate and/or oxygenic filler-containing rubber powder or granulate, based on aqueous rubber emulsion or latex, involves suspension of silicate and/or filler, polysiloxane hydrophobizing agent and nonionic surfactant in water, adjustment of the pH to 2.5-7, separation of the deposited rubber powder from the solid particles, and drying the powdered or granulated product to a moisture content of less than 3%. A process for preparation of silicate and/or oxygenic filler-containing rubber powder or granulate based on aqueous rubber emulsion or latexes involves: (a) suspension of a silicate and/or oxygenic filler, polysiloxane hydrophobizing agent(s) (in amount 0.5-7% relative to the filler) and nonionic surfactant(s) (in amount 0.1-2% relative to the filler) at 10-60 degrees C in water, giving a suspension of density 0.5-5%, (b) addition of the rubber latex emulsion to the filler suspension with stirring, (c) adjustment of the pH of the aqueous mixture with an acid, preferably sulfuric acid or aluminum sulfate to a pH of 2.5-7, (d) separation of the deposited rubber powder from the process water by, for example, solid/liquid separation of the solid particles, (e) molding of the filter cake, and (f) drying of the powdered or granulated product to an end moisture content of less than 3%.
Patent DE-10151576-A1 (DE)
Inventor: MEYER ARMIN
IPC: B31B50/64
Filed: 2001-10-23
Abstract: Devices for cross-welding or cross-separating welding plastic films (2) are used in a manner known per se in machines for producing bags, said devices comprising a welding roller (3) and a heated welder terminal (4) which can be moved reciprocally and between which the plastic films (2) are guided for welding. According to the invention, the welding roller (3) is covered by a continuous belt (5).
Patent DE-10153933-A1 (DE)
Title: Circuit cabinet with air conditioning device has heat exchanger with earth heat exchanger device placed in ground forming closed circuit system with internal heat exchanger in cabinet
IPC: H05K7/20
Filed: 2001-11-06
Abstract: The cabinet has an air conditioning device with a heat exchanger to which the air within the cabinet is fed and by which it is conditioned. The heat exchanger has an earth heat exchanger device (20) that is placed in the ground and an internal heat exchanger device in the cabinet forming a closed circuit system with the earth heat exchanger device.
Patent DE-10156176-A1 (DE)
Title: Solid box with a sealing cap for carrying a tampon is a key ring pendant
Inventor: WENDLER ALOIS
IPC: A61F13/15
Filed: 2001-11-15
Abstract: Solid box with a sealing cap for carrying a tampon is a key ring pendant.  Preferred Features: The box is dimensioned so that it can hold a tampon of normal size. It consists of two parts having a fine thread preventing the box from accidental opening. The box has a small, light-weight, thin-walled construction with rounded ends preventing injury. The sealing cap is provided with a rounded pin with a hole for fixing to a key ring.
Patent DE-10156946-A1 (DE)
Title: Sensor used for detecting soot particles in exhaust gas stream, comprises measuring electrodes arranged on substrate consisting of solid body electrolyte containing oxygen pump cells to which electrode pair is assigned
Inventor: BERGER JOACHIM
IPC: G01N1/24
Filed: 2001-11-20
Abstract: A sensor comprises measuring electrodes (35, 36, 37) arranged on a substrate (34) made from an insulating material and consisting of a solid body electrolyte containing at least two oxygen pump cells to which an electrode pair is assigned.  Preferred Features: Diffusion barriers (40, 41) are each assigned to the pump cells so that a temporary measuring signal difference during potentiometric operation or a differing current density during amperometric operation can be adjusted. The diffusion barriers act as protective layers for the electrodes. The sensor further comprises a heating element (42) arranged in the region of the diffusion barriers. The solid electrolyte is made from an yttrium-stabilized zirconium dioxide.
Patent DE-10157697-A1 (DE)
Title: Dietary mixture of foodstuffs contains alga Spirulina extracts forming a percentage within a specified range of the total weight of the mixture
Inventor: EWALD MARTIN
IPC: A23L33/105
Filed: 2001-11-24
Abstract: The dietary mixture of foodstuffs contains extracts from alga Spirulina forming 5 to 50 % of the total weight of the mixture.
Patent DE-10159374-A1 (DE)
Title: Verwendung von mit speziellen hydrophobierenden Weichharzen modifizierten, lösemittelfreien 2K-Polyurethan-Reaktivsystemen zur Herstellung von dehnbaren und Kathodenschutz verträglichen Beschichtungen
Inventor: SCHWINDT JUERGEN
IPC: C09D175/08
Filed: 2001-12-04
Abstract: Die vorliegende Erfindung betrifft die Verwendung von mit speziellen Weichharzen modifizierten, lösemittelfreien 2K-Polyurethan-Reaktivsystemen zur Herstellung dehnbarer, hydrophober und Kathodenschutz verträglicher Beschichtungen.
Patent DE-10161065-A1 (DE)
Title: System und Verfahren zum Testen und/oder Debuggen von Laufzeitsystemen zur Lösung von MES-Aufgaben
Inventor: PFANDER GOTTHARD
IPC: G06F11/36
Filed: 2001-12-12
Abstract: System und Verfahren zum Testen und/oder Debuggen von Laufzeitsystemen, insbesondere von Laufzeitsystemen zur Lösung von MES-Aufgaben (Manufacturing Execution Systems), wobei ein Anwender mit einem Editor grafische Elemente zu einem auf einer Anzeigevorrichtung (AZ) visualisierbaren Activity-Diagramm verknüpft, wobei zwischen den Activity-Diagrammen (D1-D4) durch geeignete Mittel Kommunikationsbeziehungen herstellbar sind und wobei durch ein Activity-Diagramm (D1-D4) der Ablauf einer asynchron kooperierenden State Machine (SM1-SM4) beschrieben wird.
Patent DE-10163013-A1 (DE)
Title: Anode used in solid electrolyte fuel cell has a base material made from a cermet with palladium or palladium alloys as the catalytic component
Inventor: BAUER CHRISTIANE
IPC: H01M4/86
Filed: 2001-12-20
Abstract: Anode has a base material made from a cermet with palladium or palladium alloys as the catalytic component.  An Independent claim is also included for a solid electrolyte fuel cell, comprising an oxidic electrolyte, a cathode and an anode made from the above base material.  Preferred Features: The alloying element of the palladium alloy is silver in an amount of not more than 70%, or gold and/or platinum, preferably titanium and zirconium.
Patent DE-10202427-A1 (DE)
Title: Glass used for optical applications contains a specified amount of lithium oxide and has specified refractive index and Abbe number
Inventor: KOLBERG UWE
IPC: C03C3/102
Filed: 2002-01-22
Abstract: Glass obtained from an inductively heated glass melt contains 0.05-2.0 wt.% Li2O and has a refractive index of 1.55-1.79 and/or an Abbe number of 25-42.  An Independent claim is also included for a process for the production of the glass.  Preferred Features: The glass contains (in wt.%): 29-56 SiO2, 30-67 PbO, 0.25-2.0 Li2O, 0-15 Na2O, 0-15 K2O, 0.25-25 Li2O + Na2O + K2O, 0-0.3 ZnO and/or Al2O3, and 0-0.25 As2O3. The glass preferably contains 0-7 Na2O and 0-7 K2O.  The glass especially contains (in wt.%): 32-48 SiO2, 43-62 PbO, 0-6 Li2O, 0-6 Na2O, 0.25-9 K2O, 0.25-25 Li2O + Na2O + K2O.
Patent DE-10203597-A1 (DE)
Title: Injektionsgerät
Inventor: HOMMANN EDGAR
IPC: A61M5/32
Filed: 2002-01-30
Abstract: Die Erfindung betrifft ein Injektionsgerät (10) mit einem rohrförmigen Gehäuse (12) für ein Reservoir (Ampulle 14) für ein Medikamentfluid, mit einer Injektionsnadel (16) und mit einer Nadelschutzhülse (20), die auf dem Gehäuse (12) zwischen einer Schutzstellung, in der sie die Injektionsnadel (16) umgibt, und einer Funktionsstellung axial verschiebbar ist, in der sie die Injektionsnadel (16) freigibt. In der Schutzstellung liegt das distale Ende der Nadelschutzhülse (20) axial an mindestens einem Anschlag (36) des Gehäuses (12) an; zur Freigabe dieser Arretierung wird durch Aufbringen einer Kraft auf das Gehäuse (12) der bzw. jeder Anschlag (36) radial verschoben und dadurch seine Anlage an dem distalen Ende der Nadelschutzhülse (20) aufgehoben.
Patent DE-10205782-A1 (DE)
Title: Shaped body with a self-cleaning surface and a surface structure with hills formed by structure forming particles useful for drinking vessels, storage vessels, storage barrels, spraying protection devices, and textiles
Inventor: NUN EDWIN
IPC: C08J7/043
Filed: 2002-02-13
Abstract: A shaped body with a plastics surface having self-cleaning properties and surface structures with hills, where the plastics surface has a coating of the same material and the plastics coating forms a strong bond with particles bonded to the coating which form the hills.  A shaped body with a plastics surface having self-cleaning properties and surface structures with hills, where the plastics surface has a coating of the same material and the plastics coating forms a strong bond with particles bonded to the coating which form the hills.  Independent claims are also included for the following: (1) a process for preparation of the shaped body with a plastics surface, completely or partially carrying hills where at least one plastics surface of the shaped body is coated with a plastics solution containing the same plastic material as the surface and also structure forming particles; (2) a vessel with a plastics surface and surface structures with hills;  (3) a textile with a plastics surface having self-cleaning properties and surface structures with hills; and (4) a vessel with a plastics surface with self-cleaning properties and surface structures.
Patent DE-10206354-A1 (DE)
Title: Verwendung von Inhibitoren des Natrium-abhängigen Chlorid-Bicarbonat-Austauschers zur Behandlung von thrombotischen und inflammatorischer Erkrankungen
Inventor: LANG HANS-JOCHEN
IPC: A61K31/166
Filed: 2002-02-14
Abstract: Inhibitoren des Natrium-abhängigen Chlorid-Bicarbonat-Austauschers zeigen eine inhibierende Wirkung auf die Sekretion des von-Willebrand-Faktors. Diese Inhibitoren können daher zur Behandlung von thrombotischen und infalmmatorischen Erkrankungen eingesetzt werden.
Patent DE-10207042-A1 (DE)
Title: Raupenförmige Verpackungshülle und Verfahren zur Herstellung einer gerafften Verpackungshülle
Inventor: HEIDE CHRISTIAN AUF DER
IPC: A22C13/00
Filed: 2002-02-20
Abstract: Die Erfindung betrifft eine ein- oder mehrschichtige raupenförmige Verpackungshülle auf Basis von synthetischen oder natürlichen Polymeren, die eine Raffdichte von bis zu 1 : 500, bei einer Länge der gerafften Raupe von 10 bis 200 cm aufweist sowie ein Verfahren zur Herstellung der Verpackungshülle.
Patent DE-10207356-A1 (DE)
Title: Deposit removal system from combustion engines feeds cleaning fluid containing hydrocarbon compound to mix with combustion air to form droplet mist via Venturi type mixing device.
Inventor: URBAN WERNER
IPC: F02B77/04
Filed: 2002-02-21
Abstract: Cleaning fluid is mixed with the combustion air drawn in by the engine and contains a hydrocarbon cpd but is completely free of benzene. Air and fluid form a droplet mist and the fluid is drawn in at higher pressure than the intake or again at underpressure. The deposit removal system includes a mixer and cleaning fluid importer to this, complete with cleaning fluid reserve container and pressuriser. The mixer has a nozzle to mix fluid and combustion air and/or has a mixing sector as Venturi downstream of the mixer nozzle.
Patent DE-10209574-A1 (DE)
Title: Türverschluss, insbesondere Schiebetürverschluss mit Automatikfunktion
IPC: E05B63/00
Filed: 2002-02-27
Abstract: Die Erfindung betrifft einen Treibstangenverschluss, insbesondere Schiebetürverschluss, mit mindestens einer von einem Schlossgehäuse (1) ausgehenden Treibstange (2, 3) zum Antrieb mindestens eines Riegelelementes (4), wobei die mindestens eine Treibstange (2, 3) vermittels einer in einem Kraftspeicher (5) gespeicherten Kraft nach Auslösen des Kraftspeichers (5) im Wege seiner Entladung von einer Schließbereitschaftsstellung in eine Geschlossenstellung verlagerbar ist, wobei der Kraftspeicher (5) durch Betätigen einer Drückernuss (6) beim Zurückverlagern der mindestens einen Treibstange (2, 3) aufladbar und vermittels eines Auslösers auslösbar ist. Die Erfindung schlägt vor, dass der Auslöser von einem die mindestens eine Treibstange (2, 3) in der Geschlossenstellung gegen Rückverlagerung durch die Drückernuss (6) haltenden Sperrglied (7) ausgebildet ist, wobei die Drückernuss (6) in der Sperrstellung des Sperrgliedes (7) drehgesperrt ist.
Patent DE-10210846-A1 (DE)
Title: Blown film plant and process for production of shrinkable tubular plastic film in which the extruded tube is water heated, then inflated and heated by hot gas prior to being stretched
Inventor: HESSENBRUCH ROLF
IPC: B29C48/10
Filed: 2002-03-12
Abstract: An extruder produces a primary tube (4) comprising one or more film layers, at least one of which is a barrier material, e.g. polyamide or EVOH (ethylene vinyl alcohol). The tube is then stretched at 90-110  deg C, the film being heated while inflated using a hot gas. The gas is blown onto the tube at high speed through inward facing nozzles.
Patent DE-10211299-A1 (DE)
Inventor: SCHOPENHAUER HARTMUT
IPC: F15B11/044
Filed: 2002-03-14
Abstract: The valve combination consists of pressure scales, a load holding valve and a proportional valve, the piston of which can move axially in borings in one or more housings containing input and output cavities. The proportional valve (2) has a hollow piston, and the load holding valve (3) and pressure scales (1) have stacks of laminar disks (6) to relieve the main part of excess energy.
Patent DE-10211315-A1 (DE)
Title: Inspection cover; has frame, where cover and frame have surface that is bordered by projecting steel frame
Inventor: SCHMEILER JOSEF
IPC: E02D29/14
Filed: 2002-03-14
Abstract: The inspection cover has a frame (3), where the cover and the frame have a surface that is bordered by a projecting steel frame. Paving stones can be fit to the level of the frame to make a smooth profile. Moulded handles (4) enable the cover to be easily removed. The steel frame borders the manhole, to prevent dirt from collecting.
Patent DE-10214554-A1 (DE)
Title: Machining center, especially for machining wooden components, comprises a conveyor belt workpiece delivery and removal device that is also used to clamp a workpiece during machining
Inventor: KLITSCH EDGAR
IPC: B23Q11/10
Filed: 2002-04-02
Abstract: Machining center for machining of wood, plastic, aluminum or steel sheet components. Said center has a drive unit with CNC feed axes. A conveyor belt unit (1) is provided for movement of the workpiece into the machining area, for clamping during machining and removal of the workpiece from the machining area when machining is completed. A compound cross slide is provided for movement of the main unit.
Patent DE-10217723-A1 (DE)
Inventor: STRAUB KARLHEINZ
IPC: D21G9/00
Filed: 2002-04-20
Abstract: The cutter has at least one nozzle (2), the water jet of which is directed at the paper (1), and is located above a pulper (6) for catching the severed strip (7). In the cutting area, the paper web runs along a support plate (3) located opposite the nozzle. The plate forms a glide surface, which runs in parallel to the paper web. The web runs at a distance from the support plate, at least when not subjected to impact of the water jet. This distance is preferably 0.0 - 0.5 mm.
Patent DE-10217981-A1 (DE)
Title: Farbkathodenstrahlröhre mit UV-Reflexionsbeschichtung
Inventor: BECHTEL HELMUT
IPC: H01J29/32
Filed: 2002-04-23
Abstract: Farbkathodenstrahlröhre, die mit einem Farbbildschirm ausgerüstet ist, der eine Frontglasplatte, eine Leuchtstoffbeschichtung und eine UV-Reflexionsschicht, die zwischen der Frontglasplatte und der Leuchtstoffbeschichtung angeordnet ist, umfasst, wobei die UV-Reflexionsschicht Kolloidpartikel mit einer Korngröße d < 400 nm aus einem sauerstoffhaltigen Material enthält.
Patent DE-10218490-A1 (DE)
Title: Composition, useful as an adhesive and sealant, crosslinkable by cleavage of alcohol from alkoxysilyl end groups to form elastomers, contains a tin catalyst coordinated with a phosphorous compound
Inventor: SCHEIM UWE
IPC: C08G77/08
Filed: 2002-04-25
Abstract: A composition, cross-linkable by cleavage of alcohol from alkoxysilyl end groups to form elastomers, contains a tin catalyst having a coordination number of 5 or 6 in which the tin atom is coordinated with a phosphorous compound via a P=O group and is prepared by reaction with a phosphorous compound having at least one P-O-P bond with an organic tin compound and an isocyanato compound.  A composition (I), cross-linkable by cleavage of alcohol from alkoxysilyl end groups to form elastomers, contains a tin catalyst (II) having a coordination number of 5 or 6 in which the tin atom is coordinated with a phosphorous compound via a P=O group whereby the tin catalyst (II) is prepared by reaction with a phosphorous compound of formula (1) or corresponding condensates or hydrolyzates having at least one P-O-P bond with an organic tin compound of formulae (2)-(5) and an isocyanato compound. O=PR1m(OR2)n(OH)3-m-n (1); ((CR32)b-O)c(CR42)dL-M (2); R104-rSnXr (4); R102SnY (5); m, b  = 0-3;  m+n  =  0-3;  R1, R2  =  1-30 C hydrocarbon optionally substituted by hydroxyl, halogen, cyanide or a group of formula R103SnY1/2 (6); R3, R4  =  H, methyl or hydroxyl;  b, d  =  2 or 3;  c  =  1-15;  L  =  -O-, -COO-, -CONR5-, -NR6CO- or -CO-;  R5 , R6  =  H or 1-10C alkyl;  M  =  monovalent 1-20C hydrocarbon, optionally substituted by hydroxyl, F, Cl, Br, 1-10C alkoxyalkyl or CN with the proviso that each C atom has just one OH group;  R10 =  1-30C hydrocarbon, optionally substituted by halogen or CN;  X  =  halogen, OH, OR10, SR10, OOCR10, NR102, NHR10, OSiR103 or OSi(OR10)3;  Y  =  O or S;  r  =  1-3 An Independent claim is included for a process to improve the storage stability of compositions (I) by the addition of the tin catalyst (II).
Patent DE-10220682-A1 (DE)
Inventor: SEELMANN CHRISTIAN
IPC: F16K31/68
Filed: 2002-05-10
Abstract: A flat, insulating interlayer (14) having good thermal conductivity, intervenes between the electrical resistance (10) and the expansive body (6) it heats. In the installed state, both the resistance and the expansive body press against the interlayer.
Patent DE-10226431-A1 (DE)
Title: Water collection and drainage attachment e.g. for building work, includes upper unit with transponder unit for storing information for read-out
Inventor: WERITZ SUSANNE
IPC: E03F5/06
Filed: 2002-06-13
Abstract: An attachment (10) for collecting and draining off water has a basic metal and/or plastics body (11) which can be placed on a frame (12) or upper unit. The upper unit (10) comprises a transponder unit (15) for storing information which can read by a read-device. The transponder unit (15) has a chip (16) which can be activated via a coil (17). An independent claim is included for an information system for acquisition of data from attachment units.
Patent DE-10236094-A1 (DE)
Title: Textile loom has direct drive linear electric motor for weft thread pick-up with linear action rotor and stator
Inventor: ZWEHL DIETMAR VON
IPC: D03D47/12
Filed: 2002-08-07
Abstract: A textile loom has a weft thread pick-up which is moved by a lifting component (1.3) with a direct-drive linear electric motor. The direct linear drive (1) consists of a rotor (1.8; 1.16) and stator (1.8; 1.16). The rotor (1.8; 1.16) movement (1.21) is parallel to that of the lifting component (1.3). The rotor (1.8) is coupled to the weft lifting component (1.3) by a suitable linkage (1.5).  The direct drive also forms part of the electrical drive for the loom paddle. The component parts are mounted on a common frame.
Patent DE-10242633-A1 (DE)
Title: Verfahren und Vorrichtung zur Bestimmung von Drehmoment an erwünschten Stellen einer Maschine
Inventor: CARLSON DOUGLAS A
IPC: G01L3/00
Filed: 2002-09-13
Abstract: Ein Verfahren und eine Vorrichtung zur Bestimmung eines Drehmomentwertes an einer erwünschten Stelle einer Maschine wird offenbart. Das Verfahren und die Vorrichtung weisen die Auswahl der erwünschten Stelle, die Bestimmung eines Betriebszustandes, der für die erwünschte Stelle relevant ist, die Bestimmung einer Vielzahl von Parametern der Maschine und die Bestimmung eines Drehmomentwertes an der erwünschten Stelle als eine Funktion des Betriebszustandes und der Vielzahl von Parametern auf.
Patent DE-10244588-A1 (DE)
Title: Ölabscheider
Inventor: STRIKIS GUNTIS VIKTORS
IPC: F04B27/10
Filed: 2002-09-17
Abstract: Bereitgestellt wird ein Ölabscheider mit einem zylindrischen Teil, einem Einlass für zuströmendes Gas-Öl-Gemisch, einen Auslass für abgetrenntes Gas, einem unteren Teil und einem Auslass für abgeschiedenes Öl. Der untere Teil weist einen von oben nach unten abnehmenden Durchmesser auf, was einen Anstieg der Zentrifugalkraft im Ölabscheider und eine verstärkte Abscheidung des Öls bewirkt. Der Einlass durchquert den oberen Teil des Ölabscheiders und umfasst vorzugsweise eine Vielzahl von Kanälen, die in Bezug auf die obere Stirnwand winklig angeordnet sind.
Patent DE-10250440-A1 (DE)
Title: Motor vehicle windscreen washer system, has temporary storage device with collection, mixing chambers connected by siphon, auxiliary tank connected to mixing chamber depending on mixing chamber level
Inventor: WEBER OLAF
IPC: B60S1/50
Filed: 2002-10-30
Abstract: The system has at least one washing water container, a pump, a temporary storage device an auxiliary tank and a temporary storage device with a collection chamber and a mixing chamber connected via a first siphon. The auxiliary tank is connected to the mixing chamber via a connection opened and closed depending on the level in the mixing chamber, which is connected to the washing water container via a second siphon.  The system has at least one washing water container (10), a pump (11), a temporary storage device (17) and an auxiliary tank (18). The pump is connected to the washing water container, which is connected via a line to the temporary storage device, which is connected to a water collection point (15) and the auxiliary tank. The temporary storage device has a collection chamber and a mixing chamber connected via a first siphon. The auxiliary tank is likewise connected to the mixing chamber via a connection opened and closed depending on the level in the mixing chamber, which is connected to the washing water container via a second siphon.  AN Independent claim is also included for the following:  (a)  a temporary storage device with a collection chamber.
Patent DE-10251382-A1 (DE)
Title: Verfahren zur Betätigung einer Sperrklinke in einem Schloss mit Drehfalle für ein Kraftfahrzeug
Inventor: RATHMANN KLAUS-PETER
IPC: E05B65/12
Filed: 2002-11-01
Abstract: Bei diesem Verfahren wird eine, sich in der geschlossenen Position befindliche, um einen Drehpunkt (3) drehbar gelagerte Sperrklinke (1) im Normalfall über einen ersten Stellantrieb (4), der von einer Hauptstromversorgung (11) angesteuert wird, und über ein ebenfalls um den Drehpunkt (3) drehbar gelagertes Zahnradsegment (5), das einen Freilauf gegenüber der Sperrklinke (1) aufweist, in Drehbewegung versetzt, bis die geöffnete Position erreicht ist. Im Notfall wird die Sperrklinke (1) über einen zweiten selbsthemmenden Stellantrieb (6), der von einer Notstromversorgung (7) angesteuert wird, über ein weiteres, drehbar gelagertes Zahnradsegment (8), das ein Zahnrad (9) mit geringerem Durchmesser trägt, das in das Zahnradsegment (5) eingreift, in Drehbewegung versetzt, bis die geöffnete Position erreicht ist. Anschließend wird die Notstromversorgung (7) unterbrochen und die Sperrklinke (1) in der geöffneten Position gehalten.
Patent DE-10252035-A1 (DE)
Title: Weather foil seal for building skin has crepe-folded surface of aluminium, copper, zinc or plastic over a rear bonding layer
Inventor: MEINECKE BERND
IPC: E04B1/66
Filed: 2002-11-06
Abstract: A building has an outer wall or roof skin made up of two or more different materials with interfaces exposed to the possible ingress of water. The interface zone is protected esp. by a crepe plastic or metal foil. The metal is e.g. aluminium, copper, zinc and has a rear coating which is a bonding layer.