baber/WOPTO huggingface dataset:
Patent DE-4027183-A1 (DE)
Title: Prosthesis for joint between two bones - has fixing screw with self-tapping screw thread which centralises
Inventor: BAUMGART RAINER DR
IPC: A61F2/30
Filed: 1990-08-28
Abstract: The prostesis is for the joint between two bones.  It consists of an anchoring part and a joint bearing surface.  The anchoring part (1) is secured by means of a fixing screw (3). The fixing screw (3) is a self-tapping type of screw and the crest dia. of its screw thread is such that it cuts into the bone forming the wall of the bone cavity and in its final position its screw thread bites into the hard cortex of the bone.  The screw (3) is thus self-centering and also centralises the anchoring part (1). USE/ADVANTAGE - Bone joint prosthesis with self-centering anchoring part.
Patent DE-4027899-A1 (DE)
Title: Hydraulic servo for linear drive of piston -  functions dependent on position of control unit formed as rocker
Inventor: WENDT GERHARD PROF DR ING
IPC: F15B11/08
Filed: 1990-09-03
Abstract: The rocker control (23) affects two valves (12, 13) in such a way that in its neutral position both valves are blocked. Dependent upon the direction and extent of the tumbler deviation from the neutral position one of the valves is more or less widely opened. - The outlet of the first valve (12) is connected to a hydraulic sump (1), the inlet of this valve is connected to both the larger piston side (25) of the piston (7) being driven, and the outlet of the second valve (13). The inlet of the second valve (13) is connected to a hydraulic source, which feeds pressure via a return valve (14) to the smaller side (26) of the piston (7) being driven.
Patent DE-4029039-A1 (DE)
Title: Storage box for stack of paper in photocopier -  has bottom end with removal recess and stop piece as two-armed lever
Inventor: ETTISCHER HELMUT
IPC: B65H3/56
Filed: 1990-09-13
Abstract: The storage-box (1) for a stack (8) of sheets of paper for a photocopier has a sheet-remover, with cover. The removal-end (2d) at the bottom (2) of the box (1) has a recess (2f), at least partly closed by a movable stop-piece (13) in the form of a movable, spring-loaded tow-armed lever. The stop-piece (13) engages with a control on the photocopier side. USE/ADVANTAGE - The stack of paper inside the storage box retains its position whatever the texture of the paper sheets or the slope of the box.
Patent DE-4033682-A1 (DE)
Title: Restorable colour photographic optical disk based on di:aryl deriv. - passing between 3 different logical states in response to various wavelengths
Inventor: TANIGUCHI HITOSHI
IPC: G03C1/73
Filed: 1990-10-23
Abstract: Colour photographic optical disk has a colour photographic recording layer produced from a diarylethene deriv., which can be in 3 different  states (A), (B) and (C), with different absorption bands. In response to light, it passes from (A) to (B) at wavelength 1, from (B) to (A) at wavelength 2 in the 2nd absorption band, from (A) to (C) at wavelength 3 and  from (C) to (A) at wavelength 4 in the 3rd absorption band. (A) is pref. the open-ring cpd. 1,2-di (2,3,5-trimethylthien-4-yl)-1,2-dicyanoethene and (B) the closed-ring cpd. 4,5 -dicyano-2,3,6,7,8a,8b-hexamethyl-8a, 8b-dihydro-benzo(2,1-b:3,4-b') dithiophene of formulae (A) and (B). USE/ADVANTAGE - The disk is suitable for storing information in 3 logical states,  "0", "1" and "2", giving over 25 times more numerical representations than binary logic.
Patent DE-4039281-A1 (DE)
Inventor: HAGEN HELMUT DR
IPC: A01N25/32
Filed: 1990-12-08
Abstract: Disclosed are 2-amino-4-oxo-4H-benzopyrans (I) (in which m = 0, 1 or 2; and R<1> to R<4> are as defined in the description), as well as salts of compound (I), and herbicides containing the 2-(4-heteroaryloxy)- and 2-(4-aryloxy) phenoxyacetic acid derivatives and/or cyclohexenone derivatives as herbicidally active substances, and 2-amino-4-oxo-4H-benzopyrans (I') as antidotes.
Patent DE-4040159-A1 (DE)
Title: Carbon-forming additive for refractory prods. - comprising carbon source and dehydrating reactant, used in ferrous metallurgy
Inventor: SCHRAVEN THOMAS DR ING
IPC: C04B35/532
Filed: 1990-12-15
Abstract: (A) In the prodn. of carbon-contg. refractory products, the novelty is that a combination of one or more carbon sources of vegetable, animal, synthetic or industrial origin with one or more dehydrating reaction partners, selected from inorganic acids, their salts and/or their anhydrides, is either (i) mixed with a refractory raw material mixts. and formed to mouldings or (ii) applied into or onto the surface of a refractory moulding, followed by heat treatment. (B) A carbon-forming additive for refractory products, comprising the combination described in (A), and use of the combination as carbon-forming additive for refractory products are also claimed. The additive pref. comprises (based on 100 wt. parts refractory raw materials) 0.1-15 wt. parts carbon source and 0.1-5 wt. parts reaction partner, introduced to the refractory material or moulding successively, simultaneously or as a (partial) premix in solid, dispersed or liq. form. USE/ADVANTAGE - The carbon-contg. refractory products are useful in ferrous metallurgy. They have improved chemical resistance, thermal conductivity and expansion properties, are simple to handle and do not release hazardous and polluting decomposition products on heating.
Patent DE-4103911-A1 (DE)
Title: Alarm unit with alarm and switching-off unit - has electric sensor element for producing measurement value which differentiates according to pressure or absence of sleeper to switch-off alarm with absence
Inventor: SEEMANN NIKOLAUS VON
IPC: G04C21/16
Filed: 1991-02-08
Abstract: A signal is transmitted by the evaluation circuit (4), depending on the measurement value, which switches off the alarm function of the alarm unit, if the person to be awakened leaves their sleeping place. The sensor element (2) has a flexible foil, which is built up from at least one dielectric base layer (20) and an electrically conducting layer (22). The electrically conducting layer is built in the form of two comb formed interlocking part sections. The capacitance between the two part sections assumes different values, according to the presence or absence of the person in the sleeping place. ADVANTAGE - Alarm unit designed so that alarm function of electronic alarm units can be reliably switched off, if person to be awakened leaves their sleeping place.
Patent DE-4108931-A1 (DE)
Title: Vibration with upper part fixable on drive part - has centering guide allow interchange and exchange between upper parts and drive
Inventor: KUMETH SIEGMUND
IPC: B65G27/02
Filed: 1991-03-19
Abstract: The vibration damper has an upper part (5) open at the top and fixed on a drive. A coupling consisting of a coupling plug (14) provided on the upper part and a coupling lug (22) provided on the drive part allows the upper part (5) to be fixed detachably on the drive part. A centring guide (23) on the drive part (1) has a centring member (24) which interacts with a centring element (32) on the upper part ot produce a predetermined centring of the upper part relative to the drive part. The centring member of the centring guide is displaceable on the drive part whilst the centring element on the upper part is fixed. ADVANTAGE - The same drive part can be used for different components.
Patent DE-4109983-A1 (DE)
Title: Biodegradable, recyclable flexible packaging container - comprises paper sack or bag with coating or sheet of thermoplastic starch
Inventor: DORMANN KAI DR
IPC: B65D30/02
Filed: 1991-03-27
Abstract: Container (I) comprises sack or bag of paper with coating or sheet of thermoplastic starch (II). (II) forms laminate with paper covering, pref. with film of (II) bonded to paper covering, or with heat-coated sheet of (II) on paper. (I) is formed by applying molten extruded sheet of (II) on paper layer. Paper layer is of sulphate or sulphite paper, pref. with surface wt. 20-250 g/sq.m. Surface wt. of (II) is 10-150 g/sq.m. Laminate has thin protective coat of polymer resin over (II). (I) comprises 2 or more layers, at least one being self-supporting sheet of (II), and pref. this sheet of (II) is between 2 adjacent further packaging layers, or else sheet of (II) forms sack or bag-shaped inner cladding of (I). Sheet of (II) is extruded. Film of (II) is 0.01-0.25mm thick. (I) has filling valve having part consisting of sheet of (II) for sealing (I), pref. with sheet of (II) being formed from tubular section of extruded sheet. ADVANTAGE - (II) forms barrier against moisture, smells, etc. and is biologically degradable and recyclable with the paper
Patent DE-4111067-A1 (DE)
Inventor: HANNERSTIG CHRISTER
IPC: A47H19/00
Filed: 1991-04-05
Abstract: The curtain-hanging device disclosed comprises a curtain holder (10) round which curtain material can be drawn and which can be attached to a wall by means of a bracket (11) so that the curtain holder (10) is held a certain distance away from the wall and so that the plane of the curtain holder (10) is approximately parallel to the wall. The curtain holder (10) is a round-section or flat-section extrusion bent in the shape of a meander.
Patent DE-4111820-A1 (DE)
Title: Acoustic feedback elimination circuitry for loudspeaking telephone -  uses frequency detectors controlling level of attenuation device
Inventor: GENNRICH BERND DIPL ING
IPC: H04M9/08
Filed: 1991-04-11
Abstract: The acoustic feedback elimination circuit for a loudspeaking telephone uses a frequency detector (14) coupled to the microphone and a second frequency detector (16) coupled to the loudspeaker (12). Their output signals are coupled to an AND-gate (18). The microphone (10) and/or the loudspeaker (12) has an associated level attenuation device (24) responding to the output signal from the AND-gate (18). The frequency detectors (14, 16) have a response frequency corresp. to the acoustic feedback together with a feedback response level. Pref. the level attenuation device (24) is an electronic potentiometer. USE - Loudspeaker telephone or entryphone.
Patent DE-4111832-A1 (DE)
Title: Air bio-filters - is an assembly of prefabricated modules for assembly on-site according to conditions
Inventor: BIALOWONS HORST
IPC: B01D53/85
Filed: 1991-04-11
Abstract: The biofilter assembly, for air cleaning to remove micro organisms, is in a modular construction with at least one inflow and distribution module and a filter module, arranged over each other, to form the zone for the raw air inflow zone and the filter layer with the holding zone for the micro organisms. All the modules have the same regular polygon cross section. The flat walls are surrounded by frames of vertical slats and horizontal beams, assembled to give the wall openings which are filled by wall plates. The lowest of the modules has a closure plate to seal the filter unit. ADVANTAGE - The components of the biofilter assembly are prefabricated, for simple on-site assembly according to the local working conditions in an effective biofiltering action.
Patent DE-4115165-A1 (DE)
Inventor: BRONK HANS
IPC: B66C15/04
Filed: 1991-05-10
Abstract: By pivoting a jib, the ends of the jib successively touch two points in space lying in a fictitious vertical plane, the position of these points in space is stored and stops that prevent the end of the jib from pivoting beyond said points in space are set. The vertical distance between the vertical axis of rotation of the jib and the fictitious vertical plane is then determined and the telescoping drive and jib angle adjusting drive are coordinated and controlled depending on this distance in such a way that the jib cannot be moved with its end beyond the fictitious vertical plane over its whole working area.
Patent DE-4116658-A1 (DE)
Title: Polyfunctional siloxy-alkyl ester(s) - by reaction of tri:organo:silyl ester(s) of polybasic carboxylic acids with epoxide cpds.
Inventor: MORMANN WERNER PROF DR
IPC: C07C265/04
Filed: 1991-05-22
Abstract: Polyfunctional siloxyalkyl esters (I) of polycarboxylic acids are produced by reaction of (A) triorganosilyl esters of formula A-(CO-O-SiR3)n with (B) epoxide cpds. contg. at least one epoxide gp./mol.; (where A = residue of n-basic carboxylic acid with mol. wt. 90-5000; R = 1-4C alkyl or Ph; n = at least 2). Also claimed are the esters (I). Specifically R = Me; pref. (A) are trimethylsilyl esters of dicarboxylic acids with mol. wt. 90-286. (A) are prepd. by reaction of the corresp. monochlorosilanes or disilazanes with suitable di-acids (e.g. oxalic, adipic, sebacic, phthalic, maleic acid, dimer fatty acid, COOH-functional polyesters etc.), opt. in presence of a catalyst e.g. saccharin, as described e.g. in Synthesis 1985, 817-845; (B) is, e.g. butylene oxide, styrene oxide, phenyl glycidyl ether, dicyclopentadiene dioxide, Bisphenol A diglycidyl ether etc.; pref., reaction is carried out at 60-130 deg.C in the presence of 4-dimethylaminopyridine (II) as catalyst. USE/ADVANTAGE - (I) are used as starting materials for prodn. of polyhydroxy cpds. and for prodn. of ester gp.-contg. polyisocyanates by reaction with isocyanato-acid chlorides. Systematic process for prod. of useful polyurethane intermediates (I
Patent DE-4122076-A1 (DE)
Inventor: LANG ARMIN
IPC: H02K15/06
Filed: 1991-07-04
Abstract: Proposed is a process for producing a stator winding for electrical machines intended mainly for use in motor vehicles. The process shows how a winding (12) pre-fabricated in coil branches (3, 13, 14, 15) lying entirely outside the stator-plate assembly (6) can be introduced in a single operation into the grooves (4) in the stator-bundle of laminations (6). Further embodiments show how the stator winding disclosed can be designed as a compact unit with a satisfactory space factor.
Patent DE-4124308-A1 (DE)
Title: Binding needle for large bales - has forked end secured to wing and with adjusting screws on either side
Inventor: PRELLWITZ HUBERT
IPC: A01D59/06
Filed: 1991-07-23
Abstract: A binding needle for a large bale press has a forked end (1) which fits partially around the circular cross section of the wing (2) and is fixed with bolts (5). The forked end of the needle is clamped to the wing (2) by means of a pad (3) fitted around the opposite side of the wing (2), a bolt (4) which slides in the axial direction of the wing, and bolts screwed into the ends of the fork (1). To each side of the needle, at a distance from it, are braces (6) through which adjusting bolts are screwed to contact the sides of the needle. USE/ADVANTAGE - Secure fixing of the needle but permitting adjustment.
Patent DE-4125583-A1 (DE)
Title: Device for transferring liquid from one bottle to another - consists of flexible tube or U=tube with seal, each end attached to each bottle by clip or snap device
Inventor: EITEL SIEGFRIED
IPC: B65D25/40
Filed: 1991-08-02
Abstract: The device consists of a short length of flexible tube or a rigid U piece (3). Each end of the tube is formed so that it can be screwed on to the neck of the bottle (1) or (2), or fastened to it by bayonet clip devices or by a snap action device. Each end (5) of the tube or U piece has an internal shoulder to receive a sealing ring (6) which is pressed against the end face of the bottle mouth to form a seal. The liquid, such as a beverage, can thus be transferred from one bottle to the other without being exposed to the air. ADVANTAGE - The liquid is not exposed to the air during the transfer.
Patent DE-4127227-A1 (DE)
Title: Textile printing - using intermittently advancing flat bed with automatic stencil location and magnetically coordinated scraper motion
Inventor: GASSER MANFRED
IPC: B41F15/10
Filed: 1991-08-16
Abstract: A process of textile printing or application of a deposit, on a flat bed, with intermittently advancing fabric, utilises a magnetically co-ordinated scraper motion. By means of a bar magnet, which is positioned electronically from a programme memory, the scraper motion on each layout is preset in the start position for each impression of the repetitive pattern and/or colour. The appts. is also claimed. ADVANTAGE - Manual positioning of the scraper and the stencil for each frame is replaced by automatic operation.
Patent DE-4129231-A1 (DE)
Title: Variable speed toothed gear with several reduction gears - has curved gearing for easier adjustment of sleeve support
Inventor: FUEHRER GERD
IPC: F16H3/095
Filed: 1991-09-03
Abstract: The gearbox (1) has a main shaft comprising the drive shaft (2) and coaxial output shaft (3). Reduction shafts (5,6) are mounted parallel to the main shaft in the gearbox housing (4). The drive shaft can be coupled to a first (13) and second (14) input wheel (14) through a switch coupling (20) with sliding sleeve (21) and sleeve support (22). The latter (22) is connected rotationally secured to the drive shaft by gearing (24) and is guided axially with play between the contact faces (25,26) of the first and second input gearwheels (13,14). The drive shaft can be axially fixed by the sleeve support and bearing faces and the latter have axial bearings. USE/ADVANTAGE - Multiple ratio gearbox. The sleeve support can be adjusted without force parallel to the input gearwheels.
Patent DE-4133416-A1 (DE)
Title: Procedure for production of insulation board - Involves compounding of several layers of fibre where each layer is arranged or manufactured differently for increasing weight to strength ratio of board
Inventor: KLOSE GERD-RUEDIGER DR
IPC: E04B1/76
Filed: 1991-10-09
Abstract: The sound and/or thermal insulation panel (1) is formed from several layers of mineral fibres. They are put together inside the mould body in different fibre lay outs and/or different thicknesses and/or different compositions. Two layers (2,3) may be laid with their layers at right angles to the panel surface, but of differing stiffness. Further layers (4) are joined with their layers parallel to the panel surface. USE/ADVANTAGE - For heat and noise proofing of buildings. Produces a board of increased stiffness and load bearing capacity.
Patent DE-4135256-A1 (DE)
Title: Continuous measurement of geometry of optical fibre and coating - by measuring brightness profile of cross=section optically and recording in digital form
Inventor: KIMMICH KLAUS DIPL ING
IPC: G01B11/10
Filed: 1991-10-25
Abstract: Continuous measurement of the geometry of optical fibres and their coating(s) involves passing the optical fibre through a measuring cell and irradiating it with a beam of light. The novelty is that the brightness profile produced by passing light through a length of the optical fibre is traced optically and recorded as digital brightness distribution over the cross-section of the optical fibre. Pref. the geometrical data found from the brightness distribution are used as input for regulation of the optical fibre dimensions. A beam of white light is used. After passing through the first measuring cell, the optical fibre is passed through a second cell, where it is irradiated from a direction shifted in the radial direction w.r.t. the first, pref. through an angle of 90 deg. . The measuring cell is filled with liquid, pref. volatile aromatics, esp. a mixt. of MEK, toluene and CS2. The brightness profile is recorded with a video camera connected to a processor, monitor and computer for digital evaluation or with a video camera conencted to a discriminator. USE/ADVANTAGE - The technique allows test during and after mfr. to detect flaws and the data can be used for on-line control during mfr.
Patent DE-4138628-A1 (DE)
Title: Determining solid and water content in solder flux - by measuring absorption of electromagnetic radiation passed through the flux
Inventor: MOEDINGER VOLKER DIPL ING
IPC: G01N21/53
Filed: 1991-11-25
Abstract: Method of determining the contents (solids, water and impurities) of a flux of an automatic soldering machine consists of measuring the extinction or transmission of electromagnetic radiation after passing through the flux. The measuring takes place in a frequency range in which strong extinction occurs and a comparison reading in a referance medium also takes place. The difference between the two is then used to compare with known stored values. USE/ADVANTAGE - To maintain flux at optimal condition to obtain good quality solder joints. Solid and water content is monitored during a soldering process without destroying the flux or producing new by-products.
Patent DE-4140293-A1 (DE)
IPC: F04C15/00
Filed: 1991-12-06
Abstract: The invention relates to a crescent-less internal-gear pump having a ring gear (6) and a pinion (5) meshing with the ring gear (6) which are rotatably supported in a jointly supported casing section (1) whose axial extent corresponds to the width of the gearing (12) of the ring gear (6) and the pinion (5) and which has a suction connection (7) and a discharge connection (10), the ring gear (6) having radial openings (17) for the medium to be pumped, and there being set, in the tooth tips (14) of the ring gear (6) and in the tooth tips (13) of the pinion (5), one sealing element (30) in each case which is radially movable in an appropriately shaped profiled groove (34) and which can slide on the opposite tooth tip of the pinion (5) and of the ring gear (6). The invention is characterised in that the sealing element is dimensioned in such a way in the region of the sliding surface that it occupies the entire tip face of the tooth tip of the ring gear and of the pinion. <IMAGE>
Patent DE-4142843-A1 (DE)
Title: Portable cool container pref. powered from solar energy or car battery - comprises insulated cover and underpart and at least one thermo-electric heat pump
Inventor: WASSERTHAL WOLFGANG
IPC: F25D11/00
Filed: 1991-12-20
Abstract: The thermo-electric heat pump, on the warm side in each case, optional on the cold side, has a gravity operated cold medium circuit and on the cold side a thermic accumulator system is provided. All components (5,8,9,10,12,15) required for cold prodn. are completely integrated in the walling of the underpart (20). The accumulator system (15), on the other side of an insulating layer (21), is located on the inside of the walling, with its dimensions matched to the cross-section of the underpart (20), into which it slightly extends. The cover (2), underpart (20) and accumulator (15) are rectangular, or the cover and underpart can be cylindrical. The metallic coating (22) of the cool chamber (23) is thermically coupled to the cold accumulator (15). ADVANTAGE - Enlarged cool chamber volume.
Patent DE-4201561-A1 (DE)
Inventor: WEIS BERND X DR ING
IPC: H04W84/16
Filed: 1992-01-22
Abstract: An arrangement is described for a wireless connection between private branch exchanges (PABX) to which a base station is assigned in each case in a specific geographical area (GA), which base station makes available a specific number of user channels to be operated by radio via which mobile cordless terminals communicate in the geographical area with the base station and via the base station with the private branch exchange. It is provided that, in the geographical area (GA) of a base station (BS1) of a private branch exchange (PABX1), the base station (BS2) of a second private branch exchange (PABX2) is disposed, and that a wireless tie line is formed via the two base stations (BS1, BS2) and their communication via radio (PABX1, PABX2).   <IMAGE>
Patent DE-4202178-A1 (DE)
Title: Pretreatment of annealed steel billets - where stationary hot billets are given controlled surface cooling by pressure water in a closed cooling chamber
Inventor: MEYER GERHARD DIPL ING
IPC: B21B45/02
Filed: 1992-01-28
Abstract: The billet is cooled to give a defined surface layer which is significantly cooler than the billet core, whereby the hot core is compressed through the shrinkage of the surface layer. The steel billet (10) is conveyed into a pressure cooling chamber (9), the chamber is closed and the stationary billet is cooled by pressure water. Process equipment is also claimed. ADVANTAGE - Provides rapid controlled cooling of the billet surface to homogenise the steel macrostructure prior to rolling. A redn. in water consumption and better control over cooling compared to continuous operation is obtd.