baber/WOPTO huggingface dataset:
Patent DE-4111404-A1 (DE)
Title: Crimping press for electric cable attachment to plug - has piezoelectric elements encapsulated under impressed surface for maintenance or interruption of eccentric drive of die
Inventor: HANOWELL JENS
IPC: H01R43/048
Filed: 1991-04-09
Abstract: Two piezoelectric pressure transducers (16), whose elements (17) are embedded in respective silicone damping pads (18), are fitted under the anvil (7) and connected to the motor driving an eccentric shaft (23) and horizontal beam (20) above the die (6). This is constrained by guides (19) to move vertically within limits established by a set screw (14) while the beam (20) is displaced horizontally against a spring (25) and vertically by the interaction of swing links (21, 22) to the die (6) and frame. USE/ADVANTAGE - In e.g. automotive or computing applications. Quality of joints can be monitored and optimised during each crimping operation.
Patent DE-4112436-A1 (DE)
Title: Field emission diode for protecting electronic circuits from overvoltages - with single crystal silicon@ anode substrate and field emission cathode bridge
Inventor: STEPHANI DIETRICH DIPL ING DR
IPC: H01J9/02
Filed: 1991-04-16
Abstract: Field-emission diode has a single crystal Si substrate and is electrically insulated from a field-emission cathode, with the following features: 1) the substrate (2) forms the anode and has a recess (4); 2) the field-emission cathode (6) is formed as an unsupported bridge (8) mounted on distance pieces (10) and provided on its surface facing the substrate with a projection (12) which is inserted into the recess in the substrate. The device is mfd. as follows a) a single crystal Si substrate is provided with an oxide layer mask on one of its (100) surfaces; b) at least one window is opened in the mask, the side edges of which are parallel to the tracks of the (110) faces of the Si crystal on its (100) face; c) a recess is formed by anisotropic etching inside the window, bounded by the (111) faces of the Si crystal; (d) the mask is removed and the substrate surface is provided with an insulating layer; e) a cathode layer is deposited on the insulating layer and is structured in the region of the recess; and f) the insulating layer is removed underneath the cathode layer by etching until the cathode layer region forms an unsupported bridge over the recess. USE/ADVANTAGE - The device is used in vacuum micro-electronic applications as a voltage-limiting component to protect electronic circuits. The device rapidly dissipates overvoltages above a predetermined threshold level. It is insensitive to temp. and to magnetic radiation.
Patent DE-4112847-A1 (DE)
Inventor: MANGLER JUERGEN
IPC: G01N21/17
Filed: 1991-04-19
Abstract: Proposed is a device for operating a rain detector (10, 12, 14, 16, 18) in which the signal (15) generated by a sensor (14) or the sensor signal (17) after processing in a processing unit (16) is controlled by a control unit (19, 30) such that, in the no-rain condition, it remains at a given level (44). The device proposed enables the rain detector (10, 12, 14, 16, 18) to be calibrated automatically, taking account of all tolerances in the electrical and optical components, component-signal drift caused by ageing, and tolerances in the mounting of the rain detector (10, 12, 14, 16, 18).
Patent DE-4115366-A1 (DE)
Title: Drum mfr. for clutch or brake - bearing ring is formed from inner drum, formed into drawn drum body, grooves are formed subsequently
Inventor: REUBER GERHARD
IPC: B21D53/34
Filed: 1991-05-10
Abstract: The process is for mfr. of a drum, having axial guide grooves in the jacket surface (3), and an internal bearing ring (11). The drum is esp. for a clutch or a brake. A drum-shaped body is drawn from a metal sheet. The base (4) of the drum is then reverse drawn into the drum interior, forming an internal drum. The base of the internal drum is cut out, and the guide grooves are pressed into the drum jacket. A tool is used, to form the cylindrical bearing ring. USE/ADVANTAGE - Simplified mfr. of drum for brake or clutch.
Patent DE-4115888-A1 (DE)
Title: Paper web winder - has controlled pulling components to shear the web and give a hard wound roll
Inventor: SCHEFFER REINOLD DIPL ING
IPC: B65H23/198
Filed: 1991-05-15
Abstract: The electrical drive for a web winder (AUF), esp. for a paper web (VB), with a tensile shearing unit (BT) with at least one shearing roller (SW) for the material (VB) to be wound and at least one winder (ZW) and especially a central winder, has a monitor (KM) to measure the actual value (FM) of the reactive pulling components (FB) against the direction (v) of movement, within the material (VB) to be wound, outside of and ahead of the winder (AUF). A DC drive (GA) applies the first active pulling component (FT) in the direction (v) of material (VB) travel, with rotary speed control, and a further rotary speed controlled DC drive (DA) applies a further pulling component (FZ) on the mateiral (VB) in the direction (v) of travel. A computerised control (SPS) gives the measured value for the armature current (IA) for the DC drive (GA) for the severing unit (BT) to give the first active pulling component (FT) expressed as FT = K X IA (where K is an amplifying factor). It also forms the second active pulling component (FZ) to give FZ = FB - FT from the measured value (FM = FB) for the reactive pulling component (FB) and the actual value of the first active pulling component (FT). ADVANTAGE - The system gives a consistently hard-wound roll of paper, without the need for further mechanical systems between the paper cutter and the winder.
Patent DE-4119842-A1 (DE)
Title: Rotating shears with swivelling mechanism - has tube swivelled by movable link in side actuated by cylinder, and cooperating with driver roll
Inventor: PECHAU GERHARD DR
IPC: B23D25/14
Filed: 1991-06-13
Abstract: The rotating shears has a swivelling mechanism for severing rolled material, especially fine steel strip and wire. It has two continuously rotating blade heads (top and bottom) and a guide tube capable of being swivelled horizontally leading into a gap in these blade heads. The blade heads (4, 5) have at least three blade pairs (10) located on their periphery in different rotation planes (6, 7, 8, 9). These are arranged so that there is a gap in the axial direction at least between two adjacent blade pairs for unrestricted passage of the rolled material. USE/ADVANTAGE - The shears can be used in fine strip and wire rolling installations. The power requirements of the proposed shears are greatly reduced in comparision with known start-stop shears. Furthermore, their use in comparison with known rotating shears results in reduced waste material.
Patent DE-4121873-A1 (DE)
Title: Sugar beet dryer - has parallel tubes angled downwards in a rotating drying tube with hot steam fed between them
Inventor: FARWICK ERWIN DIPL ING
IPC: F26B3/22
Filed: 1991-07-02
Abstract: Evapn. dryer for fibrous pressed material, esp. sugar beet scraps, has a rotating contact drying tube (10) with a number of parallel tubes (11) which rotate together round a declining longitudinal axis. The entry zone (20) for the material is at one end of the tubes (11) and the outlet is at the other end, so that the material travels at a downwards angle through the tubes (11). Hot steam (2) is fed into the zones between the tubes (11). Pref. the rotary tube assembly (10) is a pressure vessel, with a conical entry (20) and exit zones, with a preheating zone (24) at the entry (20). Displaced lifting paddles (25) are at the entry (20) to the dryer (10). The separate tubes (11) have a circular cross section, and are formed by three mantles where each has a chicane. The evaporated vapour from the material in the tubes (11) is extracted against the direction of material travel through the tubes. The material is extracted at the end through screw spirals. An expansion evaporator is used before, between or after the dryer. ADVANTAGE - The operation ensures that water evaporated from the material is contained within the carrier tubes for extraction, without contact with the heating steam.
Patent DE-4122360-A1 (DE)
Title: Hydraulic system for road vehicle hydraulically damped two-chamber motor bearing - uses electro-rheological fluid that has viscosity varied by applying voltage difference to electrodes to control fluid damping in system
Inventor: STOPPERT MICHAEL
IPC: F16F13/30
Filed: 1991-07-05
Abstract: The hydraulic system uses an electrorheological fluid that changes viscosity dependent upon an applied voltage difference. In one form a fluid path is formed (1) between an inner electrode (2) and an outer electrode (3). The electrodes may be cylindrical and the gap in the form of annulus. The gap between the electrodes is maintained by non conducting fibre reinforced plate (4) with slots. The unit may be used to vary the viscosity and therefore the damping action is a fluid system. ADVANTAGE - Allows damping to be changed.
Patent DE-4125917-A1 (DE)
Title: Flexible plate cutter - has retainer to hold the plate for cutting mechanism without limit stops
Inventor: STORK HEINRICH
IPC: B26D1/10
Filed: 1991-08-05
Abstract: The appts. to cut across plates, which are elastic and pliable, has retainer (6) parallel to the cutting stretch to hold the plate (14). The cutting blade (21) is secured to slide (11) which travels along the upper side of a cylinder (3) without a piston rod, which is offset to one side below the retainer, and parallel to it. Pref. the retainer (6) is connected to rod (15) near each of its end sides, which are as rack (8) at their lower ends, to mesh with cogwheel (12) on shaft (13). A connection (16) is at one side of one cogwheel, linked to forked head (17) of the piston rod (18) of pneumatic cylinder (7) for the retainer (6). The pneumatic cylinder (7) is parallel to the rods (15) for the retainer (6). The connecting rods (16) have elongated hole (19) with connecting pin (20) passing through, with their ends in snug fit at the side walls of the forks of the fork head (17). ADVANTAGE - The appts. gives an accurate and clean cut to the elastic and pliable plate material, without limit stop for the cutting mechanism.
Patent DE-4126411-A1 (DE)
Title: Contactless magnetic signal transfer from rotating shaft - using rotating coils and static stray field sensor in one of two variants esp. suitable for periodic or non-periodic signals respectively
Inventor: MARKERT HEINZ DR
IPC: G08C17/04
Filed: 1991-08-09
Abstract: A contactless method of magnetically transferring signals from a rotating shaft using rotating coils and a static sensor can involve one of two variants. One variant is partic. suitable for lock-in amplification in the case of periodic signals whose frequency can, but need not, coincide with the rotation frequency. The second variant of contactless, double astatised magnetic signal transfer is partic. suitable for lock-in amplification of non-periodic, constant or slowly varying weak and very weak electrical signals. USE/ADVANTAGE - For analoque, high resolution, astatised and distortionless measurement of very small direct and alternating electrical signals down to nanoampere or considerably lower than nanovolt region.
Patent DE-4126850-A1 (DE)
Title: Circuit for matching data bus controller to symmetrical bus line - has filters for attenuating HF components, and evaluation delay which is set longer than filter delay
Inventor: RALL BERNHARD
IPC: G06F13/40
Filed: 1991-08-14
Abstract: The bus controller is matched to a symmetrical bus line, pref. in a CAN bus system. Filters (F1,2) are incorporated into connecting lines between the controllers and the bus lines, for attenuating HF signal components. The controller contains an adjustable evaluating delay, greater than the sum of the signal transit times in the incorporated filters. The filters in the transmit and reception branches are symmetrically designed. In the bus line, the filters are deccoupled by adaptive amplifiers, with the filters having approximately a Gaussian filter characteristic. A low transverse capacity reactance may be fitted in the tranmit signal path from controller to bus line. USE/ADVANTAGE - For physical layer adaptive hardware in vehicle, without subjecting car aerial to high frequency interference.
Patent DE-4126867-A1 (DE)
Title: Roof thatching needle for fastening reeds to laths -  has two parallel needleswith swinging arm to guide wire
Inventor: GAMSEN PREBEN
IPC: E04D15/00
Filed: 1991-08-14
Abstract: A roof is thatched with bundles (1) of reeds or straw, which are fastened to the roof laths (2) by wire (3). The wire (3) is put in place by means of a device consisting of two parallel needles (4, 5) which are held apart at a fixed distance which is greater than the width of a lath. The shorter needle (4) has a swinging arm (8) pivoted near to its pointed end. The longer needle (5) has a notch formed near its pointed end. The free end of the wire (3) is attached to the notch and both needles inserted between two adjacent bundles of reeds or straw. As the needles are pushed inwards the swinging arm is swung upwards by the lath (2). When the swinging arm has passed the latch it swings downwards and its hook engaegs the wire. As the two needles are withdrawn the free end of the wire is pulled over the lath by the hooked end of the swinging arm. USE/ADVANTAGE - The device enables a roof to be thatched by one man.
Patent DE-4128651-A1 (DE)
Title: Electric screwdriver with reverse and manual switch settings - has ratchet-and-pawl arrangements in gearbox allowing optional manual screw-driving or withdrawal with motor inoperative
IPC: B25B21/00
Filed: 1991-08-29
Abstract: The motor (26), whose output shaft (39) is geared down (30) to the screwdriver bit in its chuck (36), is controlled by a sliding or rotary switch (21) on a control unit (20) with a locking device (23). The unit (20) itself is rotatable about the axis (19) of the casing (12) in which an upper window (17) is provided for the switch settings. The lock (23) comprises a control element (24) and two pawls (25), rotated to engage teeth on a gear wheel (32). ADVANTAGE - Screws can be tightened or extracted either manually or by electric power with simple switching among these alternative modes.
Patent DE-4131304-A1 (DE)
Title: Core for winding continuous material e.g. textiles, film etc. - comprises extruded tube with longitudinal holes in tube wall to reduce wt.
Inventor: MUELLER ERICH
IPC: B65H75/10
Filed: 1991-09-20
Abstract: Core consists of a tube (1) of synthetic material which is extruded with longitudinal holes (4) in the wall (2). The holes (4) are equispaced from each other and from the inner and outer surfaces of the tube wall. The holes can be of circular, elliptical or rectangular section and the tube wall surfaces can have ribs which appear opposite the connecting legs on cooling after extrusion. USE/ADVANTAGE - A stiff, lightweight construction for winding cores.
Patent DE-4138089-A1 (DE)
Inventor: LESMANN JOERG
IPC: C10M173/00
Filed: 1991-11-19
Abstract: The invention concerns 1,3,5-triazine-2,4,6-tris-alkylaminocarboxylic acid aminoesters of the general formula (I): 1,3,5-triazine-2,4,6-tris-[NH-(CH2)n-CO-O-R<1>] in which R<1> is an alkanolamine group. Such compounds can be used as biocidal or biostatic agents in aqueous systems, in particular in lubricating coolants.
Patent DE-4140058-A1 (DE)
Title: Tubular membrane fluid separator construction - avoids leakages due to temp. induced dimensional chambers, and suitable for liquids and gases
IPC: B01D65/00
Filed: 1991-12-05
Abstract: Arrangement for sepn. of liquids and/or gas mixtures (to a separating medium) by means of membrane elements and which, due to contact with the sepg. medium and/or temp., suffer dimensional changes, and are enclosed to a filtrate permeable cover surrounding the membrane element, and novel by virtue of the features that the membrane element (11) is enclosed in an annular feed channel (14), for the liquid (12) to be separated, arranged around an impermeable tubular support element (13), with the cover (15) surrounding the membrane element (11), and that at least one axial lid (17) of the membrane element (11) is axially urged against the separation element (13). USE/ADVANTAGE - Membrane element unit for pervaporation, and other membrane separation processes, which is dimensionally stable against temp. effects, and cost effective.
Patent DE-4140187-A1 (DE)
Title: Counter bearing - accommodates stop or safety components on door panel for which it has recesses, and has countersunk holes for fixture screws
Inventor: PILSL ERNST
IPC: E05B15/02
Filed: 1991-12-05
Abstract: The counter bearing is pref. made of drawn steel with a rectangular cross-section. In it are the recesses (2) for stop or safety devices on the door panel, and holes to take fixture screws (6) which run inclined to the two main axes of the bearing cross-section. The bearing is partic. suited for door panels which are securable by a multiple bolting arrangement, and extends over the full length of the door post or wall brickwork. Pref., it is fitted on parallel sides of the door post or brickwork. USE - To accommodate stop or safety devices for a door panel.
Patent DE-4140549-A1 (DE)
Title: Roller mill for crushing hard brittle material - has main motor drive combined with hydraulic drive to give a wide speed range.
Inventor: ULLRICH MANFRED DIPL ING
IPC: B02C4/42
Filed: 1991-12-09
Abstract: A roller mill for crushing hard brittle material has two parallel rollers (1,2) each of which is driven from a main motor (13), through a two-stage epicyclic gear (6,7) with the sun wheel of each first stage being mounted on the driving shaft of the corresponding motor (13). A hydraulic motor (12,12') is installed between the main motor (13) and its corresponding rotor. Each hydraulic motor drives the internally toothed gear of the first stage of each epicyclic gear. The hydraulic motors are supplied with hydraulic fluid from a common pump (15). USE/ADVANTAGE - Crushing hard brittle material such as cement clinker, foundry sand etc. The hydraulic drive provides a very wide range of operating speed.
Patent DE-4142107-A1 (DE)
Title: Recovery of metals from scrap esp. underground cable - with different non-ferrous metals separated by m.pt. in revolving tube furnace, after removal of ferrous metal
IPC: B07B13/00
Filed: 1991-12-19
Abstract: After multi-stage diminution of the scrap in a shredder installation (3) and separation of metals from non-metals and non-ferrous metals from ferrous metals, the non-ferrous metals (which have been reduced to required granulate fineness) are fed to a revolving tubular furnace (14). Here non-ferrous metals are separated from one another on the basis of their different melting temperatures by means of an integrated sieve (16), and are extracted from the furnace separately as liquids and solids. The scrap originates from underground cables covered with plastics and/or steel. The non-ferrous metals are copper and lead or aluminium and lead, and these two metal combinations are fed in separate doses into the furnace (14) by means of a charging installation (15). The furnace operates with a temperature of about 340 deg.C which is sufficient for melting of the lead constituent in the non-ferrous granulate. USE/ADVANTAGE - Can be used in the materials recycling technology for dealing, in particular, with scrap originating from underground cables. It allows the recovery process to be largely automated, and separation of different metals to be achieved with a high degree of purity.
Patent DE-4201330-A1 (DE)
Title: Formation of thin plastic film prods. from lightweight polyolefin scrap
Inventor: KUHNE PETER DIPL ING
IPC: B29C48/525
Filed: 1992-01-20
Abstract: In the process pref. disintegrated but not consolidated material is fed by a loading device to a plasticator where it is homogenised and plasticated. The emerging material is finally discharged from a head. To produce thin plastic films the scrap material is force-fed into an extruder with plasticating screw and the cross-section of the material flow at first is gradually but greatly reduced in the direction of its movement. The density of the material is thus greatly and gradually increased and the plasticated and homogenised material is then passed in a constant feed rate to the outlet head where it is expelled as film from a blowing head.
Patent DE-4202099-A1 (DE)
Title: Control for oxygen enrichment of breathing air - has rotatable disc which varies size of air and oxygen inlets
Inventor: ERMES HOLGER
IPC: A61M16/12
Filed: 1992-01-27
Abstract: A patient is supplied with breathing air which is enriched with oxygen. The breathing apparatus has a mixing chamber with inlets (10-11) for air and for oxygen. These inlets can be covered by a rotatable plate with a spiral slot (12). The plate can be rotated about the shaft (13) with the edges of the slot partly or wholly covering the inlets. In one extreme position of the rotatable plate one of the inlets (10) lies within the slot and so is fully open whilst the other inlet lies outside the slot and is fully closed. As the plate is rotated the inlet (10) is gradually closed whilst the inlet (11). ADVANTAGE - Simple control of the degree of oxygen enrichment.
Patent DE-4204630-A1 (DE)
Title: Ball notch for positionally fixing a movable control element, esp. for vehicle gear lever - contains locking ball engaging gear lever recess and bearing bodies in cup=shaped opening in axially movable element
Inventor: NEUDECKER ANDREAS
IPC: G05G5/06
Filed: 1992-02-15
Abstract: The ball notch contains a locking ball (17) engaging a recess in a gear lever and in contact with the bearing bodies (15) in a cup-shaped opening (14) in an axially movable inner element and with a thin-walled, flanged end (13). The end region of the cup-shaped opening with its flanging simultaneously holds the bearing bodies and locking ball. The dia. of the flanged part (18) of the end region is less than that of the locking ball. USE/ADVANTAGE - Esp. for the gear lever of a motor vehicle gearbox. The ball notch has minimised component and assembly costs.
Patent DE-4206585-A1 (DE)
Inventor: BADER AUGUSTINUS DR MED
IPC: C12N5/00
Filed: 1992-03-03
Abstract: In a device for treating cell cultures, especially hepatocytes, on plate-like culture slides, at least a part of the surfaces of said slides (1) is gaspermeable and oxygen can be introduced inside them. On the culture slide (1) is applied a coating of collagen (5, 7), on or in which is the cell culture (6). The next cell culture slide (1) is arranged closely above the collagen coating (5, 7). The culture medium can be introduced into the space between the collagen coating (5, 7) and the next culture slide (1).
Patent DE-4209226-A1 (DE)
Title: Monochromatic X=ray source - has fluorescent target biased negatively w.r.t. anode to increase fluorescence output
Inventor: HARDING GEOFFREY DR
IPC: G21K5/04
Filed: 1992-03-21
Abstract: A monochromatic +- radiation source has an electron emissive cathode, an x-radiation generating anode and a fluorescence generating target, the anode being biased at a positive high voltage potential relative to the cathode during operation The novelty is that the target (7) is biased at a negative potential w.r.t. the anode (3), pref. at the cathode (6) potential. ADVANTAGE - Fewer scattered electrons with lower energy reach the target and heat its surrounding screen so that the source can be operated with higher electrical power to achieve intense fluorescent radiation.