baber/WOPTO huggingface dataset:
Patent BE-1012590-A5 (BE)
Title: Method for face-to-face weaving of imitation boucle fabric with a cut pile,and fabrics woven according to this method
Inventor: DEMEY STEFAAN
IPC: D03D27/10
Filed: 1999-07-19
Granted: 2000-12-05
Abstract: Method for weaving fabrics with a rib structure, where on a loom, twofabrics (22), (23), (49), (50) with a rib structure are woven one above theother according to a face-to-face method of weaving, where each fabricincludes a basic fabric with rib warp threads (15, 16, 17, 18; 43, 44, 45,46) that are woven into the base weave alternately and curved over to formribs at least over one weft thread (4, 5, 32, 33), where pile threads (19,20; 47) are tied off alternately in the top (21); (49) and bottom fabrics(22); (50) around at least one weft thread (1, 2, 3, 6; 31, 36), and wherethe pile threads (19, 20; 47) between the two fabrics are cut through so thattwo fabrics (22, 23; 49, 50) with a rib structure are obtained which alsoinclude at least one area with upright pile threads.<IMAGE>
Patent CH-620161-A5 (CH)
Title: Device for storing and displaying picture postcards, in particular photographs
Inventor: SCHWEIZER EDUARD HANSJOERG
IPC: B42F17/00
Filed: 1977-09-21
Abstract: The device has both the function of a quick-change picture frame for displaying a picture postcard (5'), for example a photograph, and also the function of a collecting container for a stack (5) of picture postcards, the collecting container permitting the picture postcards to be leafed through in order to scrutinise the stack. The device comprises the transparent cover part 1, the back part 2 and the support 3. The support 3 can be folded out of the back part 2 and forms one part of a free-standing base, the other part of which comprises the rounded, lower end side 15 of the back part 2. The cover part 1 which can be folded out is container-shaped as is the back part 2 provided with a free-standing plate 30. When the device is closed the flat side 10 of the cover part 1 forms a cover glass for the picture postcard 5', whereas when the cover part 1 is folded out the individual picture postcards can be leafed through separately around the free-standing plate 30 into the cover part 1. <IMAGE>
Patent CH-577108-A5 (CH)
Title: Turbine blade concave/convex profiles - have constant thickness to certain point whence material thicknes to foot
IPC: F01D25/32
Filed: 1974-09-04
Abstract: Running blade for thermic axial turbines, particularly steam turbines, comprises two blades which form the concave and convex profile. The thickness of the blades from the blade ends in the direction of the foot remains constant as far as a certain point with effect from which, by constant maximum tensile stress of the material, it increases as far as the foot so that the two blades almost come in contact with each other. In the one blade which constitutes the convex profile, holes are provided in the region of the inwards running edge and the end part of the blade, which catch droplets during the fluid phase.
Patent CH-597799-A5 (CH)
Title: Articulating sub-frame for reclining bed
Inventor: BOURDA MAURICE
IPC: A47C20/08
Filed: 1975-10-02
Abstract: Articulating sub-frame for reclining bed has cradle pivoted on pedestal and formed with slots to guide extension of back-rest
Patent CH-573228-A5 (CH)
Title: Garment waist band having stiffening strip - secured to a facing strip which is folded to envelope stiffening strip
IPC: A41F9/00
Filed: 1974-09-23
Abstract: A garment (e.g. trouser) waist band is formed by laying a stiffening strip on a wider facing strip and pref. stitching them together along the longitudinal axis of the stiffening strip. The facing strip is then firstly folded over along an edge of the stiffening strip so that the upper face of the stiffening strip lies on the upper surface of a side portion of facing strip is second folded over along the line of stitching to form a flap. The garment is then secured (e.g. stitched) to the garment and the flap folded over to cover the joins between the garment and the side portion of the facing strip. The facing and stiffening strips may be temporarily held in the folded position by stitching which is subsequently removed. The waistband is constructed from only two pieces of fabric, thereby simplifying and speeding up assembly.
Patent CH-625923-A5 (CH)
Title: Installation for transmitting digital data by infrared light waves
Inventor: WELTE YVON DR
IPC: H04B10/112
Filed: 1978-12-19
Abstract: The installation for transmitting digital data by infrared light waves in the open air comprises a first station including a transmitter (7) and a second station including a receiver (8), the transmitter comprising an infrared transmission diode situated inside a tube provided with a lens for focusing the infrared waves, the receiver comprising a diode for receiving infrared waves situated in a tube provided with a focusing lens intended to focus the waves transmitted by the transmitter (7) onto the reception diode, the transmitter being excited by an electrical signal consisting of a sequence of pulses, the diode of the receiver (8) being connected to an electronic circuit which amplifies and filters the electrical current produced by the light waves exciting the diode of the receiver. <IMAGE>
Patent CH-603951-A5 (CH)
Title: Modular steel panel system of shuttering
Inventor: CATALAN FELIX FERRUZ
IPC: E04G17/04
Filed: 1975-11-27
Abstract: Modular steel panel system of shuttering uses notched dowels projecting from panel sides to engage sockets
Patent CH-691297-A5 (CH)
Title: A recyclable three dimensional container used for packaging
Inventor: WEINMANN CLAUDIO
IPC: B65D19/18
Filed: 2000-03-09
Abstract: A container (1) comprises a cover (2), a horizontal bottom (3) and a supporting shell (4) of vertical walls (5v) having upper edges (5s) and lower edges (5t). There are channels (6, 7) along part of the length in the cover and the bottom.
Patent FR-2041845-A5 (FR)
Title: Full oil tank whistle indicator
IPC: F17C13/12
Filed: 1969-04-18
Granted: 1971-02-05
Abstract: Whistle warns that a hydrocarbon storage tank is full. It acts positively, only after the desired level is exceeded by blocking of normal outlets for gas which is compressed in the tank above the liquid level, and diverting it through the whistle. Pref. if the level continues to rise, a float on the blocking cylinder for the normal outlet acts on a weighted valve which opens safely outlets for gas and prevents dangerous overpressure.
Patent FR-2050993-A5 (FR)
Title: Double walled edging band containing button - holes for undergarments
IPC: D04D1/00
Filed: 1970-06-10
Granted: 1971-04-02
Abstract: The band is elastic, and is woven as a flat tape having a line of button holes, and the tape is folded over transversely to its width and its edges stitched together, to form a flat tube having the line of button holes extending along one face. The tape may be folded to produce two even free edges or one free edge by which it is attached to the garment.
Patent FR-2056271-A5 (FR)
Title: Carbon fibres from polyacrylonitrile - copolymers
IPC: D01F9/22
Filed: 1970-06-17
Granted: 1971-05-14
Abstract: Precursor-polyacrylonitrile fibre material is submitted to tensionless non-burning oxidation, pref. in air for 1-8 hours at 200-250 degrees C, followed by carbonising in non-oxidising atmosphere at temperature at least 700 degrees C, the fibres having been stretched before continuous oxidation step. Continuous oxidation may be followed by step-wise oxidation.
Patent FR-2097448-A5 (FR)
Title: Optical brightener of the coumarinyl- - stryryltriazole series
IPC: C07D405/04
Filed: 1970-07-07
Granted: 1972-03-03
Abstract: Optical brightener of the coumarinyl-stryryl-triazole series. Cpd. has formula i.e. 2-(3-phenyl-coumarin-7-yl)-4-m-chlorostyryl-v-triazole. It is suitable for optically brightening polyolefins, polyvinylchlorides, but above all polyesters such as polyethyleneglycol terephthalate and polyamides such as nylon-6 and nylon-66. It can be incorporated in detergents, pref. in an amount 0.001-0.5 wt. %.
Patent FR-2057801-A5 (FR)
Title: Expanded rubber vulcanisates prodn
IPC: C08J9/12
Filed: 1970-07-27
Granted: 1971-05-21
Abstract: The vulcanisate are produced by warming cross-linkable expanded rubber polymers in pres. of 5-30 wt.% of vermiculite at 100-200 degrees C under usual vulcanisation conditions.
Patent FR-2064992-A5 (FR)
Title: Control mechanism for the radial needles of - circular knitting machines
IPC: D04B9/26
Filed: 1970-10-05
Granted: 1971-07-23
Abstract: An axially channelled sleeve is arranged concentrically above the upper support plate in which the radial needles are carried in radial guide channels, and each sleeve channel carries a lever which is pivotable on a central spherical bearing, and which is actuated either by axially or radially moving cams to engage and displace an associated radial needle. Pref. the levers are held in place by a ring engaged over the sleeve in the region of the spherical bearings. The mechanism is used in knitting stockings.
Patent FR-2116628-A5 (FR)
Title: N-(alkoxyethyl)fluoroacetamides - with acaricidal insecticidal and nematocidal activity
IPC: A01N37/20
Filed: 1970-12-01
Granted: 1972-07-21
Abstract: Title cpds. (I) of formula, F.CH2.Co.NH.CH2.CH2 (O.CH2.CH2). OR (where n is 0. 1 or 2; R is alkyl.) are prepd. by treating fluoroacetyl halides with alkoxyethylamines in presence of tertiary bases. (I; n = 1; R = Et) has greater activity than prior art. dicofol partic. against panonychus ulmi. Eotetranychus carpini-Tetranychus urticae and panagrellus silusiac.
Patent FR-2144102-A5 (FR)
Title: Microporous polyvinylidene fluoride membrane - for water purification
IPC: C08J9/28
Filed: 1971-06-30
Granted: 1973-02-09
Abstract: Microporous polyvinylidene fluoride membrane has pore volume of >=50% and the majority of the pores have dia. 0.5-2.0 m mu. The membrane is corrugated with >=3 corrugations/cm. Pref. used in membrane distillation method for water purification which requires less powder than reverse osmosis. Not wetted by brackish or salt water.
Patent FR-2148769-A5 (FR)
Title: Radiation heating burner - having refractory fibre felt body with fuel feeding tube passing through it
IPC: F23D14/12
Filed: 1971-08-03
Granted: 1973-03-23
Abstract: Radiation heating burner consists of a refractory fibre felt body with a metallic tube passing through it and force fitted to neck of the body and secured with a fixing collar. Inside the tube is a diffuser guiding the combustible material into the furnace. The diffuser comprises a rod, coaxially situated in the tube, having a shaped end. Radial flanges are situated between the rod and the tube to improve preheating of the fuel.
Patent FR-2104308-A5 (FR)
Title: Electrical contacts - by coating silver contact with silver-silicon alloy, oxidising and bonding
IPC: H01H1/023
Filed: 1971-08-12
Granted: 1972-04-14
Abstract: Composite material for electrical contact pieces is produced by (a) coating the contact layer of silver material with a silver alloy contg. 0.05-1%, pref. 0.1-0.5% silicon on its surface facing a metallic support, (b) subjecting the coated contact layer to oxidising treatment, and (c) fixing the oxidised contact layer onto the support. Stage (c) may be effected before stage (b). The contact layer is bonded very firmly to the metallic support. The contact layer can be utilised entierly, and maintains constant properties during a prolonged service life.
Patent FR-2164009-A5 (FR)
Title: Methyl-tetrahydrophthalic anhydride isomers prepn - by condensing a conjugated diene with maleic anhydride, use as epoxy res
IPC: C08G59/42
Filed: 1971-12-09
Granted: 1973-07-27
Abstract: Specifically, trans-piperylene is condensed with maleic anhydride in a resp. mol. ratio of 1.05:1-1.2:1, in an organic solvent at 40-90 degrees C, pref. for 0.5-10 hrs. the products obtained then undergoing heat-treatment at 150-250 degrees C/3-10 hrs. The final product is then cooled to room temp; it is liquid bis-(5-methyl-3-tert. butyl-2-hydroxy phenyl) methane may be used as polymerisation inhibitor.
Patent FR-2191563-A5 (FR)
Title: Stable lead-calcium alloys - opt. contg. tin, made by pouring and working at ambient temp after time lapse
IPC: C22C11/06
Filed: 1972-07-05
Granted: 1974-02-01
Abstract: The alloy contains 0.02-0.1 (0.06-0.09) wt.% Ca and is worked at ambient temp. less than 8 hrs after casting. Opt. the alloy also contains Sn in quantity 0.03-3.0 wt.% with Sn/Ca ratio of from 5/1 to 10/1, and working is performed at ambient temp. less than 48 hrs after casting or Sn content is 0.3-3.0 wt.% and Sn/Ca is from 10/1 to 150/1, and working is performed 7 days after casting (or less than 8 hrs after casting). The alloy is stable to traction at ordinary temps; and opt. has elevated thermal stability, rupture force, and sliding resistance. It is used e.g. in batteries.
Patent FR-2229219-A5 (FR)
Title: Concrete moulding and curing appts. - with vibrator, continuous belt and curing oven
IPC: B28B15/00
Filed: 1973-05-09
Granted: 1974-12-06
Abstract: Concrete pieces are moulded in a machine comprising a concrete supply appts., a mould formed at lower and upper halves, the lower half being part of the transporter belt while the upper part is removable, a vibrator disposed below the belt under the lower mould half and a furnace through which the belt passes. The furnace has a closure which punches the belt intermittently to prevent transmission of the vibrations to the ware inside the furnace. Machine is useful for the mfr. of reinforced or otherwise concrete tiles, esp. those tiles with longitudinal and transverse ridges of trapezoidal section, esp. gutter tiles; or armour. Machine permits immediate demoulding at the end of the tunnel kiln.
Patent FR-2240609-A5 (FR)
Title: Gearbox for construction toy - has three shafts with fixed pinions and sliding pinion controlled by handle
IPC: A63H33/04
Filed: 1973-08-07
Granted: 1975-03-07
Abstract: The reduced scale gear-box is used in small toy models without the need of assembling it part by part, as is the case in existing models. Its main characteristic are the three shafts each having a pinion, the secondary shaft having a sliding pinion controlled by a handle, which may ensure a driving or driven action. It engages with one of the pinions in the other two shafts, one of which will be the intermediary one. Typically three pinions, similar to each other, are assembled on the intermediary shaft and may engage with the driving pinion controlled by the handle.
Patent FR-2209425-A5 (FR)
IPC: F16C33/64
Filed: 1973-11-23
Granted: 1974-06-28
Abstract: A bearing is disclosed comprising a rotatable shaft and a coaxial unitary member. The shaft is shaped to provide a ball inner race and at least one roller inner race. The coaxial member has an inside annular protrusion extending toward the shaft. The protrusion has a curved shoulder on one side and a straight shoulder on the other side. The curved shoulder will support a high axial thrust along one direction of the shaft; the straight shoulder will support a relatively low axial thrust applied along the shaft in the opposite direction.
Patent CH-695015-A5 (CH)
Title: Working-fluid storing device of electrical discharge machining apparatus
Inventor: ADACHI AKIHITO
IPC: B23H1/00
Filed: 2001-02-14
Abstract: A working fluid storing device of an electrical discharge machining apparatus having a working bath (2) in which working fluid (5) supplied by a working fluid supplying means (6) is stored, an object (4) to be worked is placed in the working fluid (5), and an opening (2a), a door (12) for opening/closing the opening (2a), and a sealing member (10) that seals the space between the working bath (2) and the door (12), comprising supporting plates (13) in which slots (13a) elongated in vertical direction are formed, fixing means (14) that fix the supporting plates (13) to the door (12), and arms (15) that are pivotally supported at both of their ends by the working bath (2) and the supporting plates (13). Since the door (12) can be held in a position where the lower end part of the opening (2a) of the working bath (2) is concealed and in a position where the lower end part of the opening (2a) is exposed, it is possible to easily perform maintenance and replacement of the sealing member (10).
Patent DD-148530-A5 (DD)
Title: Ventil
Inventor: BEY ROGER
IPC: F16K5/10
Filed: 1980-01-09
Abstract: Die Erfindung bezieht sich auf den allgemeinen Maschinenbau und betrifft speziell Drossel- bzw. Regelventile. Das Ziel und die Aufgabe der Erfindung, die Gebrauchswerteigenschaften derartiger Ventile zu verbessern, einen hohen Regelbereich zu schaffen und bei geoeffnetem Ventil so gut wie keine Verluste in der Stroemung des Mediums zu verursachen, werden erfindungsgemaesz durch eine spezifische Drosselvorrichtung erreicht, die an der Stroemungsoeffnung des Absperrelementes fest angebracht ist und eine mit Loechern versehene Drosselplatte enthaelt. Dabei entspricht die Auszenoberflaeche des Absperrelementes weitgehend der Innenoberflaeche des Ventilkoerpers.
Patent DD-154803-A5 (DD)
Title: Filteranordnung zum filtern von fluessigkeiten,insbesondere motoroel
Inventor: SUTO FERENC
IPC: B01D35/00
Filed: 1980-11-26
Abstract: Die Filteranordnung hat zweckmaessig ein oder mehrere Grobfilter und ein oder mehrere Feinfilter. Waehrend es Ziel der Erfindung ist, die Gebrauchswerteigenschaften von Filteranordnungen auf kostenguenstige Weise zu erhoehen, besteht die Aufgabe darin, eine Filteranordnung zum Filtern von Fluessigkeiten, insbesondere Motoroel, zu entwickeln, die gewaehrleistet, dass die Eigenschaften des Schmieroeles vollstaendig genutzt werden und seine Verwendbarkeit erhoeht wird und mit der gleichzeitig erreichbar ist, dass die Menge und Teilchengroesse der mit dem Schmieroel zirkulierenden abrasiven Bestandteile verringert und damit der Verschleiss und die Lebensdauer des Motors erhoeht werden koennen. Die Aufgabe wird erfindungsgemaess derart geloest, dass in der Filteranordnung eine oder mehrere Superfeinfilter-Einheiten vorgesehen sind, von denen jede einzelne aus einem Superfeinfilter und einer oder mehreren, mit dem Superfeinfilter parallelgeschalteten, frei durchstroemten Oeffnungen besteht.
Patent DD-202292-A5 (DD)
Title: Verfahren zur herstellung von neuen n-oxiden von n-oxacyclyl-alkyl-piperidyl-diazaverbindungen
Inventor: HUEBNER CHARLES F
IPC: C07D405/14
Filed: 1981-09-09
Abstract: Die Erfindung betrifft Verbindungen vom Typus der Formel I, worin Ph unsubstituiertes 1,2-Phenylen oder 1,2-Phenylen, welches durch einen bis drei gleiche oder verschiedene Substituenten der Gruppe bestehend aus Niederalkyl, Niederalkoxy, Niederalkylendioxy, Halogen oder Trifluormethyl substituiert ist, bedeutet, jedes der Symbole R tief 1 und R tief 2 fuer Wasserstoff oder Niederalkyl steht, jedes der Symbole R tief 3 und R tief 4 Wasserstoff oder Niederalkyl bedeutet oder ( R tief 3 + R tief 4) fuer Ph oder Niederalkylen steht, welches die beiden Stickstoffatome durch 2 bis 4 Kohlenstoffatome trennt, R tief 5 Wasserstoff, Niederalkyl oder HPh bedeutet, X fuer Oxo steht, Y Epoxy, Epithio oder Sulfinyl steht, m eine ganze Zahl von 1 bis 7 und p und q jeweils 1 bis 3 bedeutet, wobei (p + q) = 4, und Saeureadditionssalze dieser Verbindungen. Die Produkte zeigen antidepressive Wirkungen. Sie koennen durch N-Oxidation der Formel I entsprechenden Ausgangsstoffe hergestellt werden.
Patent DD-244623-A5 (DD)
Title: Einrichtung und verfahren zur sicherstellung der trennung von gasstroemen unterschiedlicher atmosphaere sowie vewendung der einrichtung
Inventor: BECKER FRIEDHERZ
IPC: F27B9/12
Filed: 1986-03-24
Abstract: Die Erfindung betrifft eine Einrichtung, mit der eine Trennung unterschiedlicher Atmosphaeren ermoeglicht wird, wobei Gase einer bestimmten Zusammensetzung in einer zur urspruenglichen Stroemungsrichtung unterschiedlichen Richtung im Gasraum umgelenkt werden. Waehrend es Ziel der Erfindung ist eine Moeglichkeit zur Atmosphaerentrennung in Hohlraeumen, insbesondere in Oefen anzubieten, wobei die unterschiedlichen Atmosphaeren moeglichst entlang einer definierten Ebene getrennt gefuehrt werden koennen, und zwar auch dann, wenn es sich um stroemende Medien handelt, besteht die Aufgabe darin, eine Einrichtung und ein Verfahren zur Sicherstellung der Trennung von Gasstroemen unterschiedlicher Atmosphaere zu finden, wodurch Gasstroeme unterschiedlicher Atmosphaere so gefuehrt werden koennen, dass sie sich moeglichst nicht vermischen. Die Aufabe wird erfindungsgemaess geloest durch Mittel zum Abfuehren mindestens eines Teils des Gasstromes eines ersten Ofenabschnitts unmittelbar vor dem anderen, zweiten Ofenabschnitt und zumindest teilweisen Rueckfuehrung in den ersten Ofenabschnitt mit einer zur uspruenglichen Stroemungsrichtung unterschiedlichen Stroemungsrichtung. Fig. 1
Patent DD-250295-A5 (DD)
Title: Verfahren zur voreinstellung der verschiedenen zonen der farbwerke von druckmaschinen
Inventor: ECKELMANN GERD F
IPC: B41F33/00
Filed: 1986-10-29
Abstract: Waehrend es das Ziel der Erfindung ist, ein zuverlaessiges Verfahren zur Verfuegung zu stellen, welches eine vorlagegerechte Farbwiedergabe gewaehrleistet, besteht die Aufgabe darin, ein Verfahren zur Voreinstellung der verschiedenen Zonen der Farbwerke von Druckmaschinen zu schaffen, wobei die Moeglichkeit besteht, die Beleuchtungsintensitaet nachzukorrigieren und ggf. Verschmutzungen an der Vorlage festzustellen und zu entfernen. Die Erfindung ist darin zu sehen, dass eine Fernsehkamera eine Grauwertaufloesung von mindestens 32 Stufen je Bildpunkt aufweist, das abgetastete Bild digitalisiert und einem Microcomputer einerseits zwecks Berechnung der Voreinstellpunkte der Zonen-Einstellschrauben und andererseits einem Bildschirm zugeleitet wird, wobei die Farbzonenbreite und die Farbzonenanzahl am Microcomputer beliebig einstellbar sind und die Farbzonengrenzen auf dem Bildschirm durch helle oder dunkle Linien sichtbar gemacht werden, und die im Speicher des Microcomputers gespeicherten Grauwerte ueber Kennlinien entzerrt und zonenweise aufsummiert werden.
Patent DD-296949-A5 (DD)
Title: Verfahren zur herstellung einer entwaesserten kohle-oel-mischung
Inventor: SCHALLER KARL
IPC: C10G1/06
Filed: 1987-01-12
Abstract: Die Erfindung betrifft ein Verfahren zur Herstellung einer Kohle-OEl-Mischung aus wasserhaltiger Kohle, OEl und gegebenenfalls Katalysator, die als Einsatzstoff fuer die Gewinnung von fluessigen Brenn- und Kraftstoffen durch Kohlehochdruckhydrierung oder fuer eine direkte energetische Nutzung geeignet ist. Die wasserhaltige Kohle und das heisze Anmaischoel sowie gegebenenfalls Katalysator werden intensiv vermischt und gleichzeitig gemahlen und die teilentwaesserte Mischung in einem weiteren Verfahrensschritt unter Ruehren und gegebenenfalls unter Waermezufuhr bei einer Verweilzeit von 10 bis 180 Minuten behandelt. Fig. 1{Kohle-OEl-Mischung; Mischen; Mahlen; Trocknen; Maischen; Einsatzprodukt; Kohlehochdruckhydrierung; Brennstoff}
Patent DD-265627-A5 (DD)
Title: Verfahren zur herstellung von 1-(4-aminophenyl)-4-methyl-7,8-methylendioxy-3,4-dihydro-5h-2,3-benzodiazepin
Inventor: KOEROESI JENOE
IPC: A61K31/55
Filed: 1987-08-14
Abstract: Erfindungsgemaess wird das der Formel (I) entsprechende 1-(4-Aminophenyl)-4-methyl-7,8-methylendioxy-3,4-dihydro-5H-2,3-benzodiazepin, seine optischen Isomeren und Saeureadditionssalze sowie die Saeureadditionssalze der optischen Isomeren hergestellt. Die Verbindung der Formel (I) wird durch die mit Hydriden vorgenommene Reduktion von 1-(4-Aminophenyl)-4-methyl-7,8-methylendioxy-5H-2,3-benzodiazepin hergestellt. Die Verbindung der Formel (I) und ihre Saeureadditionssalze weisen CNS-stimulierende Wirkungen auf und koennen insbesondere in der Therapie der Funktionsstoerungen des dopaminergen Systems (z. B. Parkinsonismus) eingesetzt werden. Formel (I)
Patent DD-270332-A5 (DD)
Title: Verfahren zum sanieren eines brunnens
Inventor: ZAWISLA KLAUS
IPC: C04B28/06
Filed: 1987-11-09
Abstract: Die Erfindung betrifft ein Verfahren zum Sanieren eines Brunnens, insbesondere eines Trink- oder Brauchwasserbrunnens, bei dem ein bestimmter Moertel nur in der Naehe der Schadstelle durch die bereits vorhandenen Wassereindringschlitze in eine das Brunnenrohr umgebende Filterkiesschicht gegen den statischen Druck des eindringenden Grundwassers gepresst wird.