baber/WOPTO huggingface dataset:
Patent DE-19741275-A1 (DE)
Title: Two-part automotive tow-bar disengaging following engagement
Inventor: BEIERL WOLFGANG
IPC: F16D7/08
Filed: 1997-09-19
Abstract: An automotive tow-bar has two spring-loaded coaxial halves (4,6) which move back and forth under load. During emergency braking action the halves converge under the guidance of identical rollers (5) moving through grooves in the tow-bar halves which are bridged by a track (15). When disengaged, the rollers act as axial roller bearings.
Patent DE-19743016-A1 (DE)
Title: New 5-tetrahydroxybutyl-2,4-imidazolidine-dione compounds
Inventor: HOFFMANN MICHAEL GERHARD DR
IPC: C07H7/02
Filed: 1997-09-29
Abstract: 5-(1S,2S,3R)-1,2,3,4-Tetrahydroxybutyl-2,4-imidazolidinediones of formula (I) and their salts are new: R1-R5 = H; 1-6C alkyl optionally interrupted by 1-2 heteroatoms selected from O, N and S; 2-6C alkenyl or alkynyl optionally interrupted by a heteroatom selected from O, N and S; 2-7C alkanoyl; 2-7C alkoxycarbonyl; 1-6C alkylsulphonyl; or optionally ring-substituted benzyl, benzyloxycarbonyl, benzoyl, phenoxycarbonyl or phenylsulphonyl; or R2+R3 or R3+R4 = benzylidene, methylene, ethylidene, isopropylidene, butylidene, cyclopentylidene or cyclohexylidene.  Certain intermediates are also claimed.
Patent DE-19746762-A1 (DE)
Title: Wall mounted holder for small cylindrical or multi-faceted items in motor vehicles or rooms
Inventor: DOLP GERHARD
IPC: A45D20/00
Filed: 1997-10-23
Abstract: A wall plate (1) carries shaped wires forming a base (3), vertical bars (4) and arc-shaped upper parts (2), to hold a drinks can or similar item (11), at four points (5). The shape allows sideways expansion to suit differently sized items.
Patent DE-19747969-A1 (DE)
Title: Glass fiber reinforcing material for building applications
Inventor: LUFT EWALD DR
IPC: E04F13/04
Filed: 1997-10-30
Abstract: A reinforcing fabric or material consists of glass fiber strands with a plastic finish coating containing projecting filler particles of 1-500  mu  maximum size to provide an irregular surface. The filler particles are inorganic, especially silicate particles such as hollow glass spheres or expanded glass or lightweight fly ash particles.
Patent DE-19753057-A1 (DE)
Title: New aqueous composition for treating metal deficiency in plants
Inventor: BAUR PETER DR
IPC: C05D3/00
Filed: 1997-11-29
Abstract: An aqueous composition for treating plants or plant organs contains dissolved calcium, iron, magnesium and/or manganese salt(s) and a dissolved hydroxy-functional carboxylic acid with a melting point below 35 deg C (especially below 20 deg C).
Patent DE-19753826-A1 (DE)
Title: Split lining system pipe splitting machine
Inventor: BOEHM FRANZ
IPC: F16L55/165
Filed: 1997-12-05
Abstract: A split lining system splitting machine for splitting old pipes, comprises a conically shaped sleeve and a pipe cracker. The sleeve (1) is cylindrical and has a diameter which opens out the ground. The sleeve has at least two interchangeable split measuring units (2). The tip of the sleeve has a tubular guide which can be screwed onto it and through which a cable (4) passes. The pipe cracker (6) has a smaller diameter than the split sleeve, and a high density polyethylene adaptor can be screwed onto it.
Patent DE-19802107-A1 (DE)
Title: Production of e.g. product label
Inventor: GAIDA BERNHARD
IPC: G06K15/00
Filed: 1998-01-21
Abstract: The label is used on e.g. food products for sale in a store and is divided into two main regions (A,B). A region (1) is provided which is used for a picture indicating the product and/or the producer. An area underneath is used for a name (3). The top section (4) is used to provide price and weight data.
Patent DE-19806393-A1 (DE)
Title: Control method for automobile drive unit for reducing drive train vibration
Inventor: KALTENBRUNN PETER
IPC: G05D19/02
Filed: 1998-02-17
Abstract: The control method for the automobile drive train uses a microcomputer receiving the detected revolutions (nmot) of the drive unit and a corresponding revolutions value (nmod) provided for the drive train using a model. The latter value may be obtained in at least one operating mode in dependence on the variation in the revolutions of the drive unit. An Independent claim is also included for a device controlling an automobile drive unit.
Patent DE-19812229-A1 (DE)
Title: Polymere des Propens
Inventor: FISCHER DAVID
IPC: C08F4/6592
Filed: 1998-03-20
Abstract: Polymere des Propens, bestehend aus 50 bis 99,9 Gew.-% eines isotaktischen Propencopolymeren (A') und aus 0,1 bis 50 Gew.-% eines Propenhomopolymeren oder eines Propencopolymeren (B'), wobei DOLLAR A a) das Propencopolymere (A') aus 80 bis 99,9 Mol-% Propen und aus 0,1 bis 20 Mol-% Ethen und/oder einem C¶4¶-C¶12¶-1-Olefin besteht, mindestens 80% aller Propen-Diaden isotaktische meso-Diaden sind, das Propencopolymere (A') ferner bei 20 DEG C xylollösliche Anteile in einer solchen Menge (X¶L¶) aufweist, daß diese die Ungleichung (1) DOLLAR A (X¶L¶) < 542400 exp (-0,1 T¶M¶) + 0,5 DOLLAR A erfüllt, der Zug E-Modul (E) der Propencopolymere (A') in MPa, bestimmt nach ISO 527, der Ungleichung (2) DOLLAR A (E) > 1,9 x 10·-11· (T¶M¶)·6.34· + 180 MPa DOLLAR A entspricht, in beiden Ungleichungen (1) und (2) T¶M¶ für den Schmelzpunkt in  DEG C steht und wobei DOLLAR A b) das Propenhomopolymere oder das Propencopolymere (B') aus 80 bis 100 Mol-% Propen und aus 0 bis 20 Mol-% Ethen und/oder aus einem C¶4¶-C¶12¶-1-Olefin besteht, mindestens 55% aller regioregulären Propen-Diaden als isotaktische meso-Diaden vorliegen, bei der DSC-Messung von (B') eine Schmelzenthalpie DELTAH¶m¶ von weniger als 50 J/g beobachtet wird und eine keine kristallinen Ex-Sequenzen nachweisbar sind.
Patent DE-19812425-A1 (DE)
Title: Language switching device for entering control signals
Inventor: HUBERT ROLF
IPC: G05B19/042
Filed: 1998-03-20
Abstract: A programmed controller switches a current conduction between input (2) and output (3). A program can be loaded into a computer in the casing (1) through operator keys (4) and a multifunctional key (5). Input and program operations can be watched on the display (6) which offers a menu-driven user facility for programming. Control of an external computer or PC can be programmed through an electronic interface (7)
Patent DE-19814893-A1 (DE)
Title: Reusable flexible lithographic printing tape
Inventor: CHATTERJEE DILIP K
IPC: C04B35/486
Filed: 1998-04-02
Abstract: A novel flexible lithographic printing tape has a surface of a zirconium oxide ceramic, which is alloyed with one or more of MgO, CaO, Y2O3, Sc2O3 and rare earth oxides as secondary oxide and which has 5.6-6.2 g/cm<3> density, the tape having an average thickness of less than 5 mm.  Also claimed are imaging and lithographic printing processes employing the above printing tape.
Patent DE-19820005-A1 (DE)
Title: Planar sensor for measurement of temperature or expansion of machine part
Inventor: BRAASCH JAN
IPC: G01B7/16
Filed: 1998-05-06
Abstract: The sensor has at least one structural element (ST1, ST2) with temperature-dependent electrical conductivity. The structural elements are evenly arranged over the entire length of the sensor. At least two tracks (SP1-SP4) are formed from interconnected structural elements. A track may be connected in series with the structural elements (ST3). An electrical connector element (VE) may be connected between two structural elements (ST3). Independent claims are also included for 1) A method of individually tuning a planar sensor 2) A method of manufacturing a sensor
Patent DE-19823070-A1 (DE)
Title: Lamp for bicycle
Inventor: RUMPF KLAUS
IPC: B62J6/20
Filed: 1998-05-22
Abstract: The lamp has at least one induction coil (7), an electric lamp (6) and an electronic circuit 93) to control and to supply an induced voltage from the induction coil to the lamp. There is at least one induction coil (7) movable in relation to a device for making a magnetic field available.- DETAILED DESCRIPTION - The lamp device and the induction coil are moved together relative to the device for making a magnetic field available. The latter device is a permanent magnet (2). At least one reflector (1) which contains the induction coil, the lamp and the electronic circuit (3), is fastened to the spokes of a bicycle and at least one permanent magnet is fastened to the bicycle frame so as to be fixed in space relative to the reflector
Patent DE-19824657-A1 (DE)
Title: Folding furniture leg, e.g. table leg for caravan, etc.
Inventor: FLUESSHOEH HORST
IPC: A47B9/00
Filed: 1998-05-25
Abstract: The table leg has a knee joint (4), which connects upper and lower shanks (2,3) of the leg. The knee joint has an element connected to each shank of the leg, which are connected to each other by a hinge pin. The hinge pin is held in a transverse hole in one of the elements and in a longitudinal hole in the other element. A helical tension spring is inserted on the hinge pin and on a projection of the other element.
Patent DE-19831095-A1 (DE)
Title: Wasserlösliche schwarze Stilbenfarbstoffe, ihre Herstellung und Verwendung
Inventor: BAUER WOLFGANG
IPC: C09D11/328
Filed: 1998-07-10
Abstract: Die Erfindung betrifft einen Farbstoff  DOLLAR F1 worin DOLLAR A R·1· Wasserstoff, Alkyl mit 1 bis 4 C-Atomen, Alkoxy mit 1 bis 4 C-Atomen; DOLLAR A R·2· Wasserstoff, Carboxy, Chlor, Nitro; DOLLAR A R·21· Wasserstoff; oder R·2· und R·21· bilden gemeinsam einen in 3- und 4-Position des Ringes A ankondensierten Benzolring, der 1, 2 oder 3 Sulfogruppen tragen kann; DOLLAR A m eine Zahl von 0 bis 1; n eine Zahl von 1 bis 2; DOLLAR A M·+· ein Kation oder ein Gemisch verschiedener Kationen bedeuten, wobei pro Mol des Farbstoffs mindestens 1 Äquivalent der Kationen M·+· Lithium-Kationen und/oder Kationen der Formel (II) sind  DOLLAR F2 wobei p eine Zahl von 1 bis 30; DOLLAR A X CH¶2¶CH¶2¶, CH(CH¶3¶)CH¶2¶, CH¶2¶CH(CH¶3¶) oder eine Kombination davon; DOLLAR A und R·3·, R·4· und R·5· unabhängig voneinander Wasserstoff, eine Gruppe der Formel (III)  DOLLAR F3 oder einen aliphatischen Rest mit 1 bis 18 C-Atomen bedeuten. DOLLAR A Farbstoffe der Formel (I) sind besonders als Farbmittel in Ink-Jet-Tinten geeignet.
Patent DE-19831708-A1 (DE)
Title: Bumper arrangement for motor vehicle has transverse support located directly behind its plastic covering, and two spar-form deformation elements fix transverse support on longitudinal support of vehicle's body and form crush zone
Inventor: PRACEJUS ACHIM
IPC: B60R19/18
Filed: 1998-07-15
Abstract: The bumper has a transverse support (1) located directly behind its plastic covering. At least two spar-form deformation elements fix the transverse support on the longitudinal support of the vehicle's body and form a crush zone in the form of a crash-box  (2). A flexible mechanical connection between the transverse support and crash-box is formed by a unit (4) consisting of an energy-absorbing volume-compressible foam (10) in a hard rigidly installed shell (6) through which passes a mechanical connecting element (8,9).
Patent DE-19834377-A1 (DE)
Title: Leuchtstoffzubereitung mit amidgruppen- oder urethangruppenhaltigem organischem Bindemittel
Inventor: PICHT FRIEDERIKE
IPC: H01J29/20
Filed: 1998-07-30
Abstract: Die Erfindung betrifft einen Bildschirm, insbesondere einen Farbbildschirm für eine Kathodenstrahlröhre, mit einer Leuchtstoffschicht, die eine Leuchtstoffzubereitung aus einem Leuchtstoff mit einer Beschichtungsschicht mit einem wasserlöslichen organischen Bindemittel, ausgewählt aus der Gruppe der Polyurethane, der Polyacrylamide, der Polyamidharze, der veretherten Melamin- und Melamin-Formaldehydverbindungen und der veretherten Harnstoff-Formaldehyd-Harze, und mit Sauerstoffverbindungen eines oder mehrerer Elemente ausgewählt aus der Gruppe der Erdalkalielemente und des Zinks, enthält. DOLLAR A Wichtige Vorteile der Erfindung sind ein deutlich verbessertes Siebverhalten des Leuchtstoffpulvers, eine erhöhte Haftung von Pigmentpartikeln auf den Leuchtstoffkörnern, eine verbesserte Suspensionsstabilität sowie eine verbesserte Haftung des Leuchtstoffes auf dem Bildschirmglas.
Patent DE-19834411-A1 (DE)
Title: Suspension for land or forestry vehicle has rotational unit constructed as active steering unit with oscillating motor by which rotational unit and lift unit are simultaneously rotatable to produce steering moment
Inventor: ULRICH WOLFRAM M M
IPC: B62D7/02
Filed: 1998-07-30
Abstract: The rotational unit(3) of the suspension is constructed as an active steering unit with at least one oscillating motor with at least one pressure chamber. By means of the motor the rotational unit and lift unit(4) are simultaneously rotatable to produce a steering moment in relation to the outer housing(2) attached to the frame of the vehicle. The rotational unit and lift unit are located one inside the other and locked against twisting in relation to each other for the simultaneous transmission of steering moment.  An Independent claim is included for a vehicle, especially a land or forestry vehicle, equipped with the proposed suspension.
Patent DE-19835609-A1 (DE)
Inventor: MAYER ALBRECHT
IPC: G06F21/79
Filed: 1998-08-06
Abstract: The invention relates to a program-controlled unit with an on-chip debug support (OCDS) module and a method for debugging a program-controlled unit fitted with an OCDS module by using an external debugger. The described program-controlled unit is characterized in that it includes an access authorization controller unit ensuring that read and/or write accesses to internal and/or external registers, storage and/or the like requested to the OCDS module by components that can be addressed by the OCDS module are executed only when the device requesting relevant access has proven its access authorization. This minimizes the danger of misusing the OCDS module in case of unlimited OCDS module performance.
Patent DE-19835670-A1 (DE)
Title: Dichtungsanordnung zwischen einem elektrischen Verbinder und einem elektrischen Leiter
Inventor: GUENAY TARIK
IPC: H01R13/52
Filed: 1998-08-06
Abstract: Bei einer Dichtungsanordnung (10) zwischen einem elektrischen Verbinder (12) und einem elektrischen Leiter (14), wie einer FPC, wobei sich der elektrische Leiter durch eine Öffnung (18) in einem Gehäuse (16) des elektrischen Verbinders erstreckt, ist die Dichtungsanordnung benachbart zu der Öffnung angeordnet und umfaßt ein Klappenelement (22), das schwenkbar angebracht ist und zwischen einer offenen Position und einer geschlossenen Position bewegbar ist, wobei das Klappenelement auf der einen Seite des elektrischen Leiters angeordnet ist, eine Wand (20), die auf der entgegengesetzten Seite des elektrischen Leiters zu dem Klappenelement angeordnet ist, und eine zusammendrückbare Dichtung (24), die um den elektrischen Leiter herum angeordnet ist, wobei in der geschlossenen Position des Klappenelements das Klappenelement, die Wand und der elektrische Leiter in im wesentlichen parallelen Ebenen liegen, und wobei die Dichtung zwischen dem Klappenelement und der Wand zusammengedrückt und teilweise in die Öffnung hineingepreßt ist. Die Dichtungsanordnung gestattet einen leichten Zusammenbau.
Patent DE-19836408-A1 (DE)
Title: New Grignard compounds useful for production of substance libraries and in chemical syntheses
Inventor: KNOCHEL PAUL
IPC: C07C403/00
Filed: 1998-08-12
Abstract: Grignard compounds (I) containing functional reactive substituents are new. Aromatic Grignard compounds (I) are new:  z  = 0 or 1; X  = halo or R<2>; A, B, D and E  = CH; CR<2>; N; P; or CR<3>; F = O, S, NR<6>, CR<2> or CR<3> when z = 0 and CH, CR<2>, N, P or CR<3> when z = 1; or  two adjacent symbols A-F form an optionally substituted aromatic, saturated or partly unsaturated 5-8 membered ring containing 1 or more hetero atoms, e.g. O, N, S or P;  R<1> = COOR<2>; CN; CONR<3>R<3>'; or halo; R<2> = 1-10C alkyl, 3-10C cycloalkyl, 1-4C alkylaryl or 1-4C alkylheteroaryl (each optionally substituted) or R<5>; R<3> = H; 1-10C alkyl, 3-10C cycloalkyl, 1-4C alkylaryl or 1-4C alkylheteroaryl (each optionally substituted); R<3>'; or R<5>; R<3>'  = H; 1-10C alkyl, 3-10C cycloalkyl, 1-4C alkylaryl or 1-4C alkylheteroaryl (each optionally substituted); or R<5>; R<4> = 1-10C alkyl, 3-10C cycloalkyl, 1-4C alkylaryl or 1-4C alkylheteroaryl (each optionally substituted); or halo; R<5> = solid carrier; R<6> = 1-10C alkyl, 3-10C cycloalkyl, 1-4C alkylaryl or 1-4C alkylheteroaryl (each optionally substituted and optionally bonded via carbonyl); or -SO2-aryl; Not more than three of the variables A-F are heteroatoms.  An Independent claim is also included for the preparation of compounds (I).
Patent DE-19837113-A1 (DE)
Title: Shuttering system for the formation of precast concrete sections has a casting box with a hydraulically powered inner shuttering to apply pressure to the concrete
IPC: B28B7/00
Filed: 1998-08-17
Abstract: The shuttering used to produce precast concrete sections has a main box (13) of a rectangular shape and within this is located an adjustable shuttering (12). This has a number of hinged (19) panels that are forced outwards by a number of hydraulic actuators (20). The concrete is poured into the formed space between the inner panels and the box and pressure applied.
Patent DE-19837914-A1 (DE)
Title: Passenger conveyor has hand rail driven by a gear wheel directly connected to the rotor of an electric motor, with speed control system
Inventor: AHLS HERMANN W
IPC: B66B23/04
Filed: 1998-08-20
Abstract: The hand rail drive (2) for an escalator or travelator is separately driven by an electric motor (12) through a drive wheel (14) directly attached, or integral with, the rotor (10) and a sensor  to ensure synchronization with the main step drive system.
Patent DE-19841388-A1 (DE)
Title: Preparation of ultra-pure air
Inventor: MIZUNO MASASHI
IPC: B01D53/00
Filed: 1998-09-10
Abstract: Air passes first through an oxidation section (27) where carbohydrates, hydrogen and carbon monoxide are oxidized to carbon dioxide and water, which are removed by adsorption and cooling through sections (5), (6) and (7).  Any remaining impurities are adsorbed at low temperature in columns (9) and (10) in two steps in a range -60 to -180 deg C.  It may be necessary to have more than two steps of adsorption, in which case additional columns are provided and run so that the temperatures are decreased in succeeding columns. Cooling is supplied by low temperature gas drawn from the expansion turbine supplying the main heat exchanger of (30). Air is produced with less than 1 ppb of chemical compounds and a dew point below -100 deg C
Patent DE-19852172-A1 (DE)
Inventor: WAEGNER FRANK STEFFEN
IPC: G09F3/20
Filed: 1998-11-12
Abstract: The device is for fixture to a support plate of a self-supporting cassette containing price and/or product information, with at least one aperture (4) in the support plate (3). On the rear side of the cassette per aperture is at least one fixture device, which comprises two sprung-located holding clamps (5a,5b) for engagement in the correspondingly formed apertures in the support plate. The aperture is round, rectangular or quadratic. The cassette is formed in two parts and comprises a rear wall (7) and a view container with individual view compartments for receiving price and/or product information.
Patent DE-19852236-A1 (DE)
Title: Transporting container for metal components, with outer container and removable internal rack to receive components
Inventor: KOCH-SENTNER KARL-HEINZ
IPC: B65D77/04
Filed: 1998-11-12
Abstract: The transporting container (1) is for metal components (2), e.g. aluminum components for vehicles. It has an outer container (3), inside which is an inner rack (4) to receive the components. The rack can be taken out of the outer container. Damping elements (5) may be fitted between the rack and the outer container.
Patent DE-19854206-A1 (DE)
Title: Arrangement for indicating the steering position of vehicle wheels has drive gear wheel on steering wheel shaft, driven gear wheel and potentiometer, digital signal processor and displays
Inventor: KIM HONG-KWAN
IPC: B62D15/02
Filed: 1998-11-24
Abstract: The arrangement has a steering position detector with a drive gear wheel mounted on the steering wheel shaft, a driven gear wheel engaged with the driving gear wheel and a potentiometer driven by the driven gear wheel. A stored software program derives the steering position from the detector signal. The signal is converted into a digital value in the range 0 to 255.A left position is identified when the value is less than 126, null between 126 and 129 and right greater than 129. Light emitting diode and LCD displays are used to indicate the wheel positions.  An Independent claim is also included for a method of indicating the steering position of vehicle wheels.
Patent DE-19854618-A1 (DE)
Title: Verfahren und Komponenten zum Weiterreichen von Funkverbindungen in TDMA-basierenden schnurlosen Kommunikationssystemen
Inventor: SPERBER CHRISTOPH
IPC: H04W36/14
Filed: 1998-11-26
Abstract: Bei einem Verfahren zur Verbindungsaufnahme in TDMA-basierenden Kommunikationssystemen zwischen einer Mobilstation (CTS-MS), die in Funkverbindung mit einer (ersten) Basisstation (CTS-FP1) eines (ersten) schnurlosen Telefonsystems (CTS1) steht, mit einer anderen (zweiten) Basisstation (CTS-FP2) des gleichen oder eines anderen (zweiten) schnurlosen Telefonsystems (CTS2) versucht die Mobilstation (CTS-MS) entweder, während sie mit der ersten Basisstation (CTS-FP1) auf einem Zeitschlitz (TS1) in Funkverbindung steht, auf mindestens einem anderen Zeitschlitz (TS2) eine Funkverbindung mit der zweiten Basisstation (CTS-FP2) herzustellen. Oder die Mobilstation (CTS-MS) nutzt zur Verbindungsaufnahme mit der zweiten Basisstation (CTS-FP2) mindestens einen TDMA-Rahmen (f1; f2; f3) des Interleaving-Schemas, wenn eine Information zwischen Mobilstation (CTS-MS) und Basisstation (CTS-FP1, CTS-FP2) über mehrere TDMA-Rahmen (f1 bis f8) des einen Zeitschlitzes (TS1) nach einem bestimmten Interleaving-Schema übertragen wird.
Patent DE-19856613-A1 (DE)
Title: Anschweißteil aus Aluminium oder einer Aluminiumlegierung mit einer Beschichtung
Inventor: KRENGEL MICHAEL
IPC: F16B33/06
Filed: 1998-12-08
Abstract: Gegenstand der Erfindung ist ein Anschweißteil aus Aluminium oder eine Aluminiumlegierung, welches eine Oberfläche aufweist, die wenigstens teilweise mit einer Beschichtung versehen ist, die vorzugsweise hauptsächlich Titan-Zirkonium enthält.
Patent DE-19859045-A1 (DE)
Inventor: SCHAUPP KARIN
IPC: A61P39/06
Filed: 1998-12-21
Abstract: The invention relates to an oil-in-water emulsion comprising, as an active ingredient,  alpha -tocopherol or the stereoisomers thereof and comprising, as an emulsifier, phospholipids. The inventive emulsion is used in order to attain a protective action against damages to human organs resulting from peroxidation. The emulsion contains a  alpha -tocopherol content, with regard to action, of 1.48 g/l to 30 g/l RRR-g(a)-tocopherol, 0-25 g/l of an oil which is compatible with I.V. administration, and 0.25 g/l to 3 g/l of a phospholipid. The emulsion is preferably administered as an infusion and is especially used to reduce damages resulting from peroxidation due to ischaemia and/or reperfusion and, among other things, during an organ transplantation.
Patent DE-19905970-A1 (DE)
Inventor: UCKERT JUERGEN
IPC: A61B1/00
Filed: 1999-02-12
Abstract: The invention relates to a device and a method for inspecting fuel elements (3) of a nuclear reactor underwater. A remote controlled miniature endoscope (5) forming part of an inspection device (1) is introduced into the fuel element (3) and the non-easily accessible parts (25, 35, 37) of the fuel element located therein are inspected without having to disassemble the fuel element (3).