baber/WOPTO huggingface dataset:
Patent DE-4217182-A1 (DE)
Title: Rotary tool head for dividing tubes with different dia. - incorporates disc cutters mounted on pivotal arms to engage tube
IPC: B26D3/16
Filed: 1992-05-23
Abstract: The tool head (10) receives a workpiece tube along the axis (31). Rotating disc cutters (18) are mounted on arms (17) which are pivotally attached to a first ring gear (12). The arms are pivoted about pins (19) by a cam connection (21) having a part fixed to a second ring gear (13). The ring gears are mounted by bearings (14) on the tool head. A differential drive is provided fro the two ring gears to cause limited relative rotation therebetween to pivot the arms. The differential drive comprises an electric motor, differential gearbox and drive shafts for each ring gear. USE/ADVANTAGE - Simple system for moving cutters to different dia. tube without need to disassemble tool head.
Patent DE-4228247-A1 (DE)
Title: Circular cylindrical metal tube for screwing into socket - has one-piece design with sealing area of larger dia. tapering front and back.
Inventor: EDERLE ANTON
IPC: F16L19/00
Filed: 1992-08-28
Abstract: The end sealing area of enlarged dia. is moulded in one piece onto a circular cylindrical area of constant dia. which has a front area (2c) tapering conically to the end side and a rear area (2a) tapering conically back to the area (1) of similar dia. The angle of conicity (alpha) of the front area is pref. approx. 36 deg. and the cone angle (beta) of the rear area is approx. 36 or 90 deg. A circular cylindrical pipe section can protrude over the conical front area for accurate centring. The dia. of the transition area pref. corresponds max. to the largest dia. of the conical front area and conical rear area. USE/ADVANTAGE - One-piece metal pipe completely avoids assembly errors.
Patent DE-4229078-A1 (DE)
Title: Stabilising additive for asphalt used in road building - comprises organic fibre material pref. of jute, usable in conjunction with fibre materials in form of mixt.
Inventor: KADELKA FRIEDRICH
IPC: D06N5/00
Filed: 1992-09-01
Abstract: Additive fibre length is a max. of 4 mm, and pref. 1 to 2 mm. The input amt. consists of 0.3 to 1.5 wt.% per ton of asphalt mixt. The input amt. for fine mineral material mix. amounts with a fibre material portion of approx. 20 to 30 wt.% to a multiple of 0.3 to 1.5 wt.% per ton of asphalt mixt. Additive in its use is mixable with bitumen-mineral material mixts., bitumen, special bitumen, polymer modified bitumen, liq. artificial resins within the scope of improving the bitumen properties at higher or high temps. After cooling and redn. of the mixt. the additional material has a sand-type granulate form. USE/ADVANTAGE - As an additional material to be added to asphalt for road construction. Mixes readily with all kinds of bitumen material for property improvement purposes.
Patent DE-4231492-A1 (DE)
Inventor: HARTH KLAUS DR
IPC: G02F1/355
Filed: 1992-09-21
Abstract: A layer of non-linear optical (NLO) material protected against attack, especially by atmospheric oxygen, having an anti-diffusion coating, at least on one side.
Patent DE-4238176-A1 (DE)
Title: Intra-luminal ultrasonic probe for clinical echography of body cavities - has transducer mounted on rocker subject to variable tilt by opposite movements of jointed plungers at end of catheter
Inventor: NAGEL ULRICH DIPL ING
IPC: A61B8/12
Filed: 1992-11-12
Abstract: Pulse-echo imaging is performed with a catheter or endoscope (11) in which a separate coaxial line (24) serves as both a driving plunger and a current supply wire. Two plungers (8,9) are mfd. of metallic or metallised wire, tape, leaf spring or rod. The ultrasonic transducer (3) surrounded by an acoustically transparent membrane radiates into transmission fluid with translatory pivotal movement effected by pushing and pulling of the plungers in opposite directions at opposite sides of the rocker (21). USE/ADVANTAGE - For high-resolution ophthalmology or dermatology. Catheter assembled from few simple miniaturised components can operate over significantly wider range of pivot angles.
Patent DE-4238621-A1 (DE)
Title: Textile finishing installation - has autoclaves in series to handle material during intense chemical processing
Inventor: TRUCKENMUELLER KURT
IPC: D06L4/00
Filed: 1992-11-16
Abstract: An installation to handle sewing thread in hypercritical fluid has at least two autoclaves. They are connected by a pipe, so that fluid can be pumped from one autoclave to another. There are two pumps employed, dependent upon the density of the fluid to give an optimum flow. Typically, the installation may be from two to eight autoclaves (2,3), which are alike. They can support a pillar and frame (17,18) to hold the reels of thread (16). The minimum two autoclaves are connected by the pipework (4) with pumps (5,6) in sequence, so that one supplements the other by accepting different densities of gas. There is also an expansion network (7,8,9) with associated valves. ADVANTAGE - There is very little loss of processing fluid. Toxic material is not exhausted into the environment. Maximum performance is attained by having pumps of varied capability to transfer fluid into or out of the autoclaves.
Patent DE-4304143-A1 (DE)
Title: Process for purifying waste air, in particular from cellulose staple fibre works, by recovery of CS2 and H2S
Inventor: EBNER KARL
IPC: D21C11/06
Filed: 1993-02-11
Abstract: In the process for recovering hydrogen sulphide and carbon disulphide from the waste air, in particular the waste air from cellulose staple fibre works, the waste air arising is intensively scrubbed with water, the gas/water mixture is then flashed in a vacuum, the water is discharged and the quantity of flash gas is largely condensed, so that the condensable substances can be recovered from the quantity of gas released. The water used for scrubbing the waste air is circulated with a vacuum degasser and is heated by the quantity of uncondensable gas released.
Patent DE-4310561-A1 (DE)
Title: Device and method of determining the visual acuity and refraction, and for observation of the eye surface
Inventor: DIETRICH KLAUS PROF DIPL PHYS
IPC: A61B3/103
Filed: 1993-03-26
Abstract: The device comprises a binocular optical system for use in ophthalmological surgery. The surgeon observes the operation field on the eye surface via an eyepiece. Simultaneously, he views via the other eyepiece a test image projected onto the retina for measurement of the instantaneous values of definition, refraction and astigmatism of the eye during the operation.
Patent DE-4312057-A1 (DE)
Title: Arrangement for cooling highly integrated multi=chip modules for data processing systems with high computing power - contains cooling plate and mechanical heat transfer devices, covering and sealing elastic plate
Inventor: MAETTIG SIEGMUND
IPC: H01L23/473
Filed: 1993-04-13
Abstract: Various mechanical devices transferring heat from the chip to a cooling plate and compensate for height differences arising when chips are mounted in a module. A large area cooling body suitable for cooling directly in a cooling liquid is stuck onto each chip with a very thin insulating and heat conducting adhesive film. The entire module is covered by an elastic, thermally and electrically insulating plate through which the cooling bodies are inserted via punched conical apertures. The plate provides sealing against the cooling medium. After the bodies are inserted they are entirely in the cooling liquid which is under forced convection. The liquid press. forces the plate against the bodies to give reliable sealing. USE/ADVANTAGE - The arrangement considerably reduces the thermal resistance between the chips and cooling liquid at reduced manufacturing and assembly costs.
Patent DE-4312519-A1 (DE)
Title: Method of producing control grooves in a control bush
Inventor: BREITWEG WERNER
IPC: B62D5/083
Filed: 1993-04-16
Abstract: To produce control grooves in a hollow, cylindrical control bush (1), a cutting tool (10) rotates about its centre axis (13). The cutting tool (10) is inserted into the control bush (1), its centre axis (13) crossing the centre axis (14) of the control bush (1) at right angles. The cutting tool (10) is moved into the inner surface (2) in a radial direction of the control bush (1) and is displaced in the longitudinal grinding process parallel to the centre axis (14) of the control bush (1). <IMAGE>
Patent DE-4313433-A1 (DE)
Title: Pipe centring clamp in shaft - has clamp with outwardly sprung straps with steel band having endstop inserted through
Inventor: DICK RENE
IPC: F16L7/00
Filed: 1993-04-27
Abstract: The pipe clamp centres a pipe in a shaft, and comprises a clamp (1) with a tensioner (2) at its end, and at least three sprung fixture points (3) at equal spacing along the band and directed outwards, to support the pipe clamp on the shaft inner wall. At least three outwardly sprung, flat straps (4) are arranged at equal spacing around the clamp circumference, of the same material as the clamp. A steel band is inserted in this as a spacer, having an endstop (5) at one end. ADVANTAGE - Has releasable and interchangeable sprung fixtures on clamp.
Patent DE-4316292-A1 (DE)
Title: Electrical actuating drive
Inventor: KICK HORST
IPC: H02P6/34
Filed: 1993-05-14
Abstract: The invention relates to an electrical actuating drive having a DC motor (3) which has no commutator but has a stator and a permanent-magnet rotor which interact magnetically in such a manner that a high holding torque is produced at rest. A rotating field is produced in the stator, controlled by a device (4) for position identification having three Hall sensors. Because of the holding torque, the rotation speed in normal operation cannot be made infinitely small. According to the invention, the motor (3) is therefore moved step by step at relatively low rotation speeds, a clock generator (23) of a control electronics device (1) determining the step frequency in accordance with the predetermined rotation speed. The invention is used in actuating drives of any type. <IMAGE>
Patent DE-4316424-A1 (DE)
Title: Accumulator
Inventor: SEEFELDT VOLKER
IPC: H01M50/562
Filed: 1993-05-17
Abstract: The housing (casing) of an electrical accumulator (rechargeable battery) is formed from annular wall elements (1, 2, 11), which can be joined together with a mutual overlap, can be welded and are made of plastic, and from metal plates (4) having peripherally welded-on metal rings (5), circumferential attachments (3), which point inwards, of the wall elements sealing the circumferential wall against the metal parts. In order to construct a multicell accumulator (Figure), only that wall element (11), which is always the same, as well as further metal plates, whose shape is unchanged, including their ring contacts are required (in addition to the structural elements for the single-cell basic form) as separating walls between the cells and in order to make electrical contact with them. The electrodes which are used are those of a Ni/Cd accumulator or a Ni/metal-hydride accumulator, preferably of the drum-type electrode (roller-type electrode) type. <IMAGE>
Patent DE-4321647-A1 (DE)
Title: Reversing valve
Inventor: NAEF KURT
IPC: A47B9/10
Filed: 1993-06-30
Abstract: A reversing valve (7) for pressure medium has a one-piece, plate-shaped housing (20) in whose cylindrical housing space (28) a cylindrical slide (36) is pivotably arranged. An annular groove (31) is formed in the housing (20). At least one inlet (22, 23) and at least one outlet (23 to 26) lead into the annular groove (31). A sealing ring (35) is arranged in the annular groove (31). In one position, when a flat (38, 39) on the slide (36) bridges an inlet (22, 23) and an adjacent outlet (23 to 26), the sealing ring (35) is pressed against the flat (38, 39), as a result of which a bridging space (44, 45) is formed between the outer boundary surface (32) of the annular groove (31) and the sealing ring (35). The single sealing ring (35) serves to seal the inlets (22, 23) and the outlets (23 to 26) from one another and to seal the valve to the outside. <IMAGE>
Patent DE-4323476-A1 (DE)
Inventor: RENK KLAUS-DIETER DR ING
IPC: E04B1/98
Filed: 1993-07-14
Abstract: The system proposed is designed above all for the protection of buildings and industrial plant against shocks caused by falling objects, for instance. This protection is provided by a layer of shock-absorbing material disposed on an underlying substrate, the shock-absorbing material being capable of absorbing shock energy irreversibly. The material consists, at least to a significant extent, of glass foam. The glass foam can be bound in a matrix material. If the shock-absorbing material is bound in a cement matrix, it can be poured like ordinary concrete. It can subsequently be covered by a topping finish.
Patent DE-4324801-A1 (DE)
Inventor: EPPLE ULRICH DR
IPC: C09D133/14
Filed: 1993-07-23
Abstract: Copolymers comprising from 5 to 50 % by weight of one or more glycidyl esters of saturated aliphatic C4-C30-monocarboxylic acids containing a tertiary or quaternary  alpha -carbon atom and from 95 to 5 % by weight of at least two olefinically unsaturated, copolymerisable monomers, of which at least one contains at least one carboxyl group. The copolymers are characterised by an OH number of from 50 to 250 mg of KOH/g, a solution viscosity of from 15 to 2000 mPa s (50 % strength solution at 23 DEG C), a mean molecular weight (weight average Mw) of less than 8600 g/mol and a nonuniformity of less than 3.4. The copolymers according to the invention are particularly suitable as binder components for high-solids coating compositions.
Patent DE-4328005-A1 (DE)
Title: Sulphoxides and secondary products
Inventor: WUENSCH JOSEF DR
IPC: H01L51/30
Filed: 1993-08-20
Abstract: The invention relates to novel sulphoxides of the formula <IMAGE>  in which     Ar is an optionally substituted aromatic carboxylic radical, the radicals R are, independently of one another, hydrogen, C1- to C4-alkyl or optionally substituted phenyl, and radicals X are, independently of one another, radicals bonded via hydrogen-free carbon atoms, which are suitable for the preparation of poly(arylenevinylene) compounds and which can be converted into the polymers via prepolymers of the formula <IMAGE> . The poly(arylenevinylene) compounds are suitable, for example, as photoluminescent or electroluminescent material.
Patent DE-4333689-A1 (DE)
Title: Tool for tightening or loosening screws or nuts
Inventor: MUELLER RAINER
IPC: B25B17/02
Filed: 1993-10-02
Abstract: In the case of a tool for tightening or loosening screws or nuts having a socket which can be placed onto the screw head or the nut and is rotatable by means of a lever-like pivoting arm, a reduction gear, supported in a manner free from pivoting, is arranged between the pivoting arm (7) and the socket (10) to reduce the effort required in loosening or tightening operations. <IMAGE>
Patent DE-4341412-A1 (DE)
Title: Used paper recycling
Inventor: LINCK ERICH DIPL ING DR
IPC: D21C5/02
Filed: 1993-12-04
Abstract: In the processing of paper, containing a filling material, the dispersion (3) is maintained at least to reduce the build-up of filling material. A washing stage (5) follows the dispersion, where most of the fibers are retained as usable material, (6), and most of the filling material is removed with the washing water (7). The extracted filling material is thickened, by water extraction, and returned for use in paper mfg. or for adding to paper coating materials.
Patent DE-4400825-A1 (DE)
Title: Ring oscillator and pulse phase difference encoding circuit
Inventor: YAMAUCHI SHIGENORI
IPC: H03K5/13
Filed: 1994-01-13
Abstract: The oscillator and encoding circuit contains an integer number of inverting circuits connected together to form a ring. One inverting circuit contains an inverting starting circuit which begins the inversion of an input signal in response to an externally applied control signal.  A control signal input device inputs the second control input during an interval between a first time at which the first control signal is input and a second time at which a pulse edge, which is generated at the start of the first inversion, enters the second inverting start circuit.
Patent DE-4401770-A1 (DE)
Title: Self pumping suspension strut
IPC: B60G15/12
Filed: 1994-01-24
Abstract: The top of the suspension strut (1) is supported on the chassis via a gas spring (8) whose flexible bellows (132) rolls over a tubular sleeve about the strut. A second gas spring (7) provides a pumping action to pump gas from atmosphere and into the gas spring. The height control is via a venting valve (11) which is normally sealed against the tubular sleeve and which is exposed when the suspension is too high. The upper part of the gas chambers has a rigid wall (13) which supports the membranes forming the chambers. The venting valve can also be controlled electronically. The pumping chamber has a valve (9) which connects to atmosphere while a second valve (10) connects the two chambers. Excess gas is released via the venting valve to maintain the suspension height.
Patent DE-4402811-A1 (DE)
Title: Anti=slipping chain for vehicle wheel
Inventor: MANGOLD CHRISTIAN
IPC: B60C27/10
Filed: 1994-01-31
Abstract: The retaining strap of the tyre chain on a vehicle is divided at least once, and the strap sections (16a, 16b) are movable in relation to each other and have a lockable connector (30) on the free ends of the separating points for rigid connection of the strap sections. The connector has at least one element for connection to a locking member, whereby through changing the position of the locking member a more rigid or more movable condition of the strap sections is produced.
Patent DE-4403634-A1 (DE)
Title: Gas particle filter cone assembly
Inventor: LANGE HELLMUTH DR
IPC: B01D39/12
Filed: 1994-02-05
Abstract: A filter removes particles from a flow of gas as the gas moves from the outside of the filter to the inside. The novelty is that the circular filter (1) dia. is arranged vertically, and that the dia. increases constantly with increasing distance from the base.
Patent DE-4415439-A1 (DE)
Title: Projecting of image data using projection unit on screen which varies
Inventor: LAMPRECHT JUERGEN PROF DR MED
IPC: A61B3/113
Filed: 1994-05-03
Abstract: A evaluation unit is provided, which from the measurement signal of the measuring unit, determines the projection angle, resulting with the projection of the image data observed in the field of vision of the observer. The projection of the image data is carried out respectively, only in the time intervals, in which the eye movements are executed with a constant speed.The projection of the image data results respectively only in such time intervals occurring between an alteration of the eye movement, the duration of which is longer than the time interval, which is needed for the evaluation of the measurement signal and the projection of the respective image.
Patent DE-4432329-A1 (DE)
Inventor: ETZEL ANDREAS DR ING
IPC: B61L23/04
Filed: 1994-09-10
Abstract: The invention concerns a method of monitoring railway traffic and railway tracks. The track is provided over its entire length with a dense network of sensors which monitor the track continuously. The network continuously detects the location and speed of all the vehicles on the track and the state of said track, before transferring this information, without the need for communication between the vehicle and the monitoring system or for an active position message from the vehicle.
Patent DE-4435003-A1 (DE)
Title: Screw bolt for mounting fuel rods
Inventor: KRATZER ANTON DIPL ING
IPC: G21C3/04
Filed: 1994-09-30
Abstract: A bolt, especially a screw bolt with an outer threading, contains a holding body (7) along the bolt line for the bolt ends. It is attached to one end of the bolt for loose insertion to grip the other bolt end from behind.
Patent DE-4436790-A1 (DE)
Title: Spinning spindle
Inventor: TOBLER MARTIN
IPC: D01H9/00
Filed: 1994-10-14
Abstract: The spindle (1) of a spinner has a cutting unit (2), at the lower winding zone, working together with a clamping crown (3).
Patent DE-4437743-A1 (DE)
Title: Returnable and re=usable crate with frame structure
Inventor: HASEGAWA NOBUTOSHI
IPC: B65D21/032
Filed: 1994-10-21
Abstract: The rectangular skid part (14) has trasnverse slides (22) on it, fixed to transverse, hollow feet (24). One of a pair of long frame parts (16) is removably positioned on the skid. One of a pair of short frame parts (18) is removably positioned on the short part of the skid. A covering guard (20) spans the long or short frame parts. An L-shaped corner guide (34) is higher (h2) than the height (hv) of the head piece (30), and is fixed to a corner section of the head piece.
Patent DE-4438029-A1 (DE)
Title: New N,N-di:substd. benzo-cyclo-alkylamine derivs.
Inventor: WOITUN EBERHARD DIPL CHEM DR
IPC: C07D307/52
Filed: 1994-10-25
Abstract: Aminoalkyl-substd. N-acryl-N-hydrocarbyl-benzocycloalkyl-amine derivs. of formula (I) and their acid addn. salts are new: m = 0-2; n = 2-4; R1 = H, 1-4C alkyl, Ph, halo, OH or 1-4C alkoxy (opt. substd. in the 2-, 3- or 4-position by NR4R5; R2 = H or 1-4C alkyl; R3 =  <= 5C alkyl, alkenyl or alkynyl (with the double bond isolated from the C-N bond), phenyl (opt. substd. by 1-3 halo, 1-3C alkyl, OH, 1-3C alkoxy, NH2 and 1-3C acylamino), cyclohexyl, benzyl (opt. ring-substd. by 1 or 2 of 1-3C alkyl, OH, 1-3C alkoxy, NH2 or 1-3C acylamino); thienylmethyl or furylmethyl (both opt. ring-substd. by 1-3C alkyl) or cyclohexylmethyl; R4 = 1-20C alkyl or 2-20C alkenyl (contg. 1-3 double bonds), both opt. interrupted by O or S, phenyl(1-4C)alkyl, phenyl(2-4C)alkenyl, phenyl (opt. substd. by 1 or 2 of 1-3C alkyl, Ph, OH, 1-3C alkoxy, NH2, 1-3C acylamino, NO2, CN or halo), cyclohexyl, cyclohexyl(1-4C)alkyl or cyclohexyl(2-4C)alkenyl; R5, R6 = H or Ph;  <=  6C alkyl, alkenyl or alkynyl (all opt. substd. by Ph), with at least one satd. C between N and the multiple bond; or NR5R6 = satd. monocyclic 5-7 membered heterocycle opt. contg. a further O, S or N.
Patent DE-4439406-A1 (DE)
Title: Magnetic hard disc appts.
Inventor: OGAWA YOSHINORI
IPC: G11B25/04
Filed: 1994-11-04
Abstract: The magnetic hard disc (20) is supported on a spindle motor (22). The pick-up head (30) is mounted on an arm (34) and is positioned relative to a pivot point. The arm is moved through an arc by a rotary actuator (32).  The distance (A) from the pick-up to the support is greater than the distance (B) from support to the disc spindle. This allows the read head action to be such that the track position variation is reduced.
Patent DE-4441548-A1 (DE)
Title: Horizontal inclination detector
Inventor: INOUE MASAHIDE
IPC: G01C9/24
Filed: 1994-11-22
Abstract: The inclination detector has a closed vessel (14) containing an electrolytic soln. (A), in which a bubble (B) is formed. The vessel is provided as a cylinder (13), with top and bottom plates (11,12), the inside face of the top plate having a pair of spaced electrodes (21,22) and the inside face of the bottom plate having a single electrode (23) over its full surface. The outer edge of each electrode projects beyond the cylinder and is coupled to a detector circuit (41), determining the horizontal inclination from the detected resistance variation.
Patent DE-4445430-A1 (DE)
Title: Magneto-optical disc cassette
Inventor: NAKAYAMA JUNICHIRO
IPC: G11B23/03
Filed: 1994-12-20
Abstract: The magneto-optical disc allows data to be recorded, read or erased using an intensity modulated laser focussed (23) onto the disc. The disc (10) is contained within a cassette and an electromagnet (24) is used to generate the field for use with the laser. In addition the cassette contains either a single permanent magnet (22) on a pair (one on each side). The permanent magnet (5) produce a initialising field for the process.