baber/WOPTO huggingface dataset:
Patent DE-2934040-A1 (DE)
Title: Loss reducing device for HV switching transistor stages - imposes positive base current pulse via saturation choke secondary and series connection of diode resistor and inductance
Inventor: RONA WOLFGANG DIPL ING
IPC: H03K17/0424
Filed: 1979-08-23
Abstract: The protected switching transistor stages are intended for very high clock pulse frequency. During switching of the h.v. transistor stage an additional positive base current pulse is imposed to this stage, via a secondary of a di/dt limiting saturation choke and a tuning series circuit, consisting of a diode, an ohmic resistor, and an inductance. The starting surge is provided by a capacitor, supplying a positive base current from the driver stage, is reset over a diode from the di/dt limiting circuit, when the h.v. switching transistor stage has been disconnected. This circuit arrangement obviates the drawbacks of the conventional systems using RC-elements for generation of dynamic base current peaks.
Patent DE-2934097-A1 (DE)
Title: Emission type heat exchanger - has housing with insulating lining and plates in frictional contact with heater pipe
Inventor: HENNERICI GUENTER
IPC: F28D21/00
Filed: 1979-08-23
Abstract: The emission-type heat exchanger is for various heating media such as air, water etc. It comprises a housing consisting of a jacket (1) closed at top and bottom by covers (2), and containing an insulating layer (5) and a heat-reflection layer (6) extending over its entire internal surface. This accommodates a pipe (4) for the exhaust fumes of a heater, and whose surface area is increased by enclosing plates with flanges extending obliquely downwards and in frictional contact with it. Water from a pump or air from a fan enters the housing via a top opening (8), and is guided by the plates over the surface of the pipe, being heated in the process, before discharge via a bottom opening (9) and use for heating purposes.
Patent DE-2941960-A1 (DE)
Inventor: SPRINTSCHNIK GERHARD DIPL CHEM
IPC: G03F7/00
Filed: 1979-10-17
Abstract: This invention relates to a developer mixture for washing out light-sensitive copying layers previously exposed in imagewise manner and containing a polymer of an N-vinyl amine, of vinyl alcohol or of a vinyl alcohol derivative, an alcohol being water-soluble in an amount less than 10% by weight, and water as the main constituent, the mixture containing as said polymer a copolymer which is water-soluble or which can be dispersed in water to form a stable dispersion, composed of (a) hydrophilic units of the formula I: <IMAGE>   wherein A is O-R or   <IMAGE>  R is a hydrogen atom or a methyl group; R1 is a hydrogen atom, an alkyl group or an alkoxy alkyl group having 1 to 10 carbon atoms each or an aryl group with 6 to 10 carbon atoms; R2 is an alkyl group or an acyl group having 1 to 5 carbon atoms each, and wherein a homopolymer of the hydrophilic units is water-soluble and of (b) hydrophobic units of vinyl monomers whose homopolymer is water-insoluble and which have an aromatic or a long-chain aliphatic group as the substituent, the proportion of the hydrophobic units being sufficient to ensure that an 0.1% aqueous solution of said copolymer has a surface tension of not more than 50 mN/m and that the quantity of said copolymer is at least sufficient to emulsify any quantity of alcohol exceeding the solubility limit. The invention also relates to a process for developing exposed light-sensitive copying layers using said developer mixture.
Patent DE-2945665-A1 (DE)
Title: Swarf removing conveyor for machine tool - has curved frame members which form chain guides
Inventor: AKKER GIJSBERTUS VAN DEN
IPC: B65G21/00
Filed: 1979-11-12
Abstract: The conveyor for removing the swarf produced by a machine tool consists of an endless chain with hinged plates mounted on the chain links. The frame supporting the conveyor has a lower horizontal section (A) and an upper horizontal section (C) joined by a sloping section (B). A motor (M) is mounted in the section (C) and a turn round sprocket (37) is fitted at the end U of the lower section (A). The chain rollers (14,15) run in channels formed in the outer edges (21,22) of a U section member (11) which forms the base of the conveyor frame. This U section member is bent to a circular arc concentric with the turn round sprocket (37). This utilisation of the frame structural members as chain guide members produces a compact conveyor design.
Patent DE-2945773-A1 (DE)
Title: Folding machine for laundered articles - having clamping devices with operational delay proportional to speed difference below maximum
Inventor: GEIGER FRIEDRICH
IPC: B65H45/04
Filed: 1979-11-13
Abstract: Laundered articles on a moving conveyor are folded around a line perpendicular to the transport direction by diverting the leading edge onto an inclined plate and clamping it there until the trailing edge reaches a pre-determined point, when the leading edge is released to fall back onto the conveyor in alignment with the trailing edge. Detectors for the garment edges control the closing and opening of the clamps after a delay which is proportional to the difference between the actual speed of the conveyor and its max. speed. This arrangement gives accurate alignment of the edges of the folded garment over a wide range of conveyor speeds.
Patent DE-2951668-A1 (DE)
Title: Modular constructional unit for shed etc. foundation - has floor connection lugs for wall sections, and wall couplings permitting easy removal
Inventor: SCHMID HANS-PETER
IPC: E04B1/348
Filed: 1979-12-21
Abstract: The foundation structure is formed by a prismatic container, which permits modular construction with releasable wall units, also supporting a roof assembly. The floor structure has the wall units rigidly attached to its edges, releasably joined to each other and to the roof assembly. At the edges of the floor structure are outward and downward protrusions, gripped from below and behind by upward and inward protrusions fitted to the wall units (2). The wall unit edges (16), and coupling members (18) fitted to them at the side and top, are so shaped that each wall unit can be removed outwards. The structure is intended for sheds or other temporary buildings and affords easy construction and dismantling, using prefabricated elements.
Patent DE-3001684-A1 (DE)
Inventor: KOPINECK HERMANN JOSEF PROF DR
IPC: B21B39/00
Filed: 1980-01-18
Abstract: A method and an apparatus are disclosed for equalizing the temperature of hot steel strip traveling from a preliminary rolling mill to a final rolling mill, equalization to be effected both lengthwise and transversely of the steel strip. To achieve this purpose the lateral edge portions of the steel strip are partially covered by heat reflectors which are spaced from and adjustable relative to them.
Patent DE-3002440-A1 (DE)
Title: Gas scrubber employing steam and/or atomised water - to wet gas which is then centrifugally compressed to condense water and particulate
Inventor: CARAWAY GUY C
IPC: B01D50/00
Filed: 1980-01-24
Abstract: Gas scrubber includes a first stage wherein steam and/or atomized water is injected into the gas from nozzles arranged within a vertical flue stack. In a second stage, the wetbed gas is centrifugally compressed within an enclosed rotating structure arranged on the top of the stack, so as to condense water together with particulate. The rotary structure includes upper and lower surfaces which converge radially outwardly. The surfaces carry annular screens for reducing slippage between the gas and the rotor structure. A further screen is arranged therebetween. Circumferentially spaced impeller blades are also provided within the structure. Water is discharged from the rotor structure by tangentially arranged outlets within a ring sandwiched between the outer peripheries of the upper and lower surfaces. The rotor structure is surrounded by a housing having outlets for water leading to drain. An outer housing incorporates a further screen.
Patent DE-3013334-A1 (DE)
Title: Digital machine tool control system - incorporates correction for inherent machine errors to obtain precise tool positioning
Inventor: GOLDING IAN BARRY
IPC: G05B19/18
Filed: 1980-04-05
Abstract: The system provides positioning signals for at least two motor driven parts supporting a tool. A store holds information relating to known machine errors e.g. spindle non-linearity or play coupled to a processor also receiving the output of a position monitor, to provide two correction signals, combined with the control pulse signals supplied to the two positioning motors. Pref. the processor is also supplied with signals representing the tool working states and/or the temp. of selected parts of the machine tool.
Patent DE-3021459-A1 (DE)
Title: Data transmission system with transmitters of differing priority - in which connection of highest priority desirous of transmitting is quickly achieved
Inventor: WALZ GUENTHER DIPL ING
IPC: G06F13/37
Filed: 1980-06-06
Abstract: The application of the system is to process controllers. A chain signal bus (BW) is connected through a time delay (VZ) to an input (BG(n+1)) of the highest priority station (Stn). If this station does not wish to transmit the signal is passed to the next in priority and so on. If a station wishes to transmit, as ordered by incoming data (DLn...DL1), its control unit (BRSn...BRS1) accepts the chain signal as an internal request (BRn) to its data transmitter (DUEn), and sends an external request (BR) to the central processor (ZE). The latter then sends a call up signal (BA) to all stations, but only the station with the modified chain signal and the prepared transmitter (DUEn) can respond. An interface isolates the chain signal (BGn) from the request to transmit signal (BR).
Patent DE-3023077-A1 (DE)
Title: Circular knitter pattern wheel - has butts and gaps which are not a multiple of the number of needles
Inventor: ANDO JAN DIPL ING
IPC: D04B15/68
Filed: 1980-06-20
Abstract: To give a royal stitch pattern on small single-cylinder circular knitters, particularly four-system machines, there is a pattern wheel (6) which is so constructed that the ratio between the number of needles in the cylinder and the number of pattern butts (61) including gaps (62) round the circumference (64) of the wheel (6) is not a whole number. In the ratio of the needles:pattern butts and spaces, the remainder has the value of+-2 or +-1. The design allows a micro mesh pattern to be executed, with little room required for the patterning mechanism.
Patent DE-3023734-A1 (DE)
Title: Exterior rear view mirror - has motorised adjustment pivoting on spring-loaded ball joint released for manual adjustment
Inventor: DOLL GUENTHER
IPC: B60R1/072
Filed: 1980-06-25
Abstract: The mirror is contained in a rigid casing (1) fixed to the vehicle bodywork. This casing holds a mirror carrier (13) and an enclosed chassis (2) containing the motors and their linkage to the mirror carrier. The chassis has a cup-shaped opening (10) into which a spherical boss (12) attached to the mirror carrier fits. A spring assembly (20,21,22,23) holds the boss (12) in contact with its seat (10) and provides sufficient friction to hold the mirror securely in position against vehicle vibration. Two mirrors and drives move the mirror carrier in two mutually perpendicular axes. A motor (30) drives a toothed rod (26) through a sprocket (28). The rod is attached to an extension (16) of the spherical boss (12) and provides movement in one axis. A similar arrangement gives adjustment in the other axis.
Patent DE-3027097-A1 (DE)
Title: Prefabricated connecting sleeve for power cables - has end control deflectors of same thickness as insulating tube
Inventor: GOEHLICH LOTHAR ING GRAD
IPC: H02G15/103
Filed: 1980-07-15
Abstract: A prefabricated, elastically extensible sleeve (10) of silicone rubber for connecting screened power cables, consists of an insulating sleeve (11) having an elastic screening electrode (12) embedded within it and elastic deflectors (13) at the ends. These deflectors have the same wall thickness as the insulating sleeve (11); a removable support element (17) on the inside or outside of the sleeve (10) keeps it in the radially elastically expanded state. The connecting sleeve is comparatively short but nevertheless provides adequate pressures in the zone of the control deflectors.
Patent DE-3030208-A1 (DE)
Title: Sewing machine needle pack - has retaining surface with holding protrusions, opposite part of pack base, separated by fold line
Inventor: PAVEL KLAUS
IPC: B65D85/24
Filed: 1980-08-09
Abstract: The two sections (T1,T2) of the pack are separated by a fold line (X-X) with projecting beads (H) on the inside of one section (T2), securing the two sections together by snap action. The beadings are formed by ribs (4) at the edge, with matching grooves (G) shaped by beads (5) to give a snap fit. The two sections are deep drawn away from the joint. Display recesses form a cross channel (6) near the fold line, sealed by a film (7) covering the whole recessed zone. An opening (10) across the top allows the package to be suspended. A separating line (8) allows partial opening of the cover film.
Patent DE-3033674-A1 (DE)
Title: Waveguide with resonator using microstrip conductor - has coupling to exclusion band guide via loop or hole keeping max. excitation of dominant mode
Inventor: JACOB ARNE DIPL ING
IPC: H01P5/107
Filed: 1980-09-06
Abstract: The waveguide has a resonator formed by coupling the guide to a microstrip conductor. The design produces a saving in space and weight as well as higher figures of merit than conventional designs. It has an improved tuning capacity. The waveguide is of the exclusion band type. The microstrip conductor is coupled to the exclusion band type waveguide via a loop coupling or a hole coupling. The shape, size and position of the coupling element is selected such that the dominant transverse electromagnetic mode is subjected to maximum excitation. The housing (5) of the strip conductor is physically linked to the waveguide.
Patent DE-3035987-A1 (DE)
Title: Roller changing gear for surface of plane - is under tension and has roller support bracket which can be tilted to raise roller
Inventor: YOSHIKAWA AKIO
IPC: B21D1/05
Filed: 1980-09-24
Abstract: The plane is fitted with a number of rollers which are under tension. The chassis can be moved vertically and an initial pair of elements are able to pivot about the chassis. The elements can be moved along a common axis and are equally spaced along the chassis. The elements can pivot in either direction operated by a central lever mounted below the roller. The movement imparts a vertical motion to the roller, and the roller support brackets are fitted with a large number of bearings. The rotational movement is imparted to the elements via a toothed gear train with interengaging pinions.
Patent DE-3040865-A1 (DE)
Title: Waste water tank or oil trap backwash seal - has closing float acting also as emergency seal, with manual arrester on insert extension
Inventor: KESSEL BERNHARD
IPC: E03F7/04
Filed: 1980-10-30
Abstract: A closure float has limited vertical movement and abuts against a horizontal valve seat between the inner collecting area and an outflow area connected to the sewage system. The float containing backwash seal has also a hand-operated emergency closure facility. The insert component (1) contains both the backwash seal (5) and an emergency seal and is releasably secured to a sidewall of the tank. The float additionally acts as an emergency closure and has an extension (6) protruding upwards through the valve seat in all operative positions. This is fitted with a form-locking, hand-operated arrester (16,17) to push the float from below against the valve seat in an emergency.
Patent DE-3041838-A1 (DE)
Title: Dyeing paper with 2,1-benzoisothiazole sulphonic acid azo dyestuff - giving brilliant light-fast dyeing
Inventor: DEGEN HANS-JUERGEN DR
IPC: C09B29/30
Filed: 1980-11-06
Abstract: Dyestuff used for dyeing paper is an azobenzothiazole sulphonic acid cpd. of formula (I) (in which X is H, Cl, Br or SO3H; K is a gp. of formulae (II) or (III); Y is H, MeO or EtO; Z is H or SO3H; R is H or a (substd.)(cyclo)alkyl or aryl gp.). Pref. (I) has formula (IA) (in which R1 is phenyl or tolyl). (I) are suitable for dyeing paper pulps, esp. bleached cellulose, in the presence of Al salts. They give unusually high brilliance and very good fastness to light. In an example, 50 g mixt. of 60 pts. wood pulp and 40 pts. sulphite cellulose (35 deg. SR) were mixed with 2 l drinking water (10 deg. dH), 25 g 2% aq. (IA) soln. (R1 is tolyl), resin size dispersion (0.5 g resin) and 1.5 g alum and stirred for 15 mins. After dilution to 0.5% with acidified water, the suspension was made into sheets of paper (80 g/m2) and dried at 100 deg.C. An intensive greenish blue paper with good water fastness and very good light-fastness was obtd. The waste liquor was only slightly coloured.
Patent DE-3045696-A1 (DE)
Title: Dredging bucket for digging clay - has overlapping plates attached to outside, forming air outlet and water inlet slots
Inventor: JANSSEN HANS-JUERGEN ING GRAD
IPC: B66C3/02
Filed: 1980-12-04
Abstract: The dredging bucket suitable for digging clay from underwater regions has two half shells (2,3) swung open by pivoting about hinge points (7) between them. They are pulled open and pushed shut by an arm each side, each connected to an upper hinge point (6), formed by a shaft. The surface between each pair of upper and lower hinge points carries a grid consisting of plates (15) arranged in sawtooth formation, providing a set of air discharge slots along their edges, but allowing water to enter. The slots are formed by spacers between the outer end of one plate and the inner end of the next plate. The edges of the plates and the ends of the spacers are attached to steel strips on the outside.
Patent DE-3047897-A1 (DE)
Inventor: SCHMID KARL DIPL CHEM DR
IPC: C11D1/28
Filed: 1980-12-19
Abstract: This invention is directed to the preparation of  alpha -sulfofatty acid esters. More particularly, this invention is directed to a process for the simplified preparation of light-colored, wash-active esters of  alpha -sulfofatty acids with monovalent C1 to C8 alcohols or their salts from fats and oils of vegetable and/or animal origin comprising re-esterification with the monovalent alcohols or saponification and esterification with the monovalent alcohols, separation of the fatty acid ester formed, hydrogenation of the fatty acid ester, sulfonation, and bleaching, wherein a fatty acid ester fraction from which accompanying fatty acid glycerides have been removed to the extent of about 1 percent by weight or less, based upon the weight of the material to be sulfonated, is introduced into the sulfonation stage.
Patent DE-3048949-A1 (DE)
Title: Tool for undercutting drilled wall bore - has radially movable bit coupled to air blower to clear cuttings
Inventor: KESSLER JUERGEN
IPC: B23B51/00
Filed: 1980-12-24
Abstract: The drilling tool (30) is intended for producing an annular undercut groove (24) in a pre-drilled cylindrical bore (22) in a wall. It comprises at least one cutting bit (46) carried in a bush (42) and movable radially outward (B) by an element (37) axially slidable (C) in the bush and provided with a wedge face (39). The tool is coupled to a rotary piston compressor, whose outlet connects to an air duct (130) which extends beyond the cutting bit (46). This leads to a nozzle orifice (75) at the forward end (73) of the bush.
Patent DE-3104465-A1 (DE)
Title: Device for balancing solids of revolution
Inventor: ZIVOTOV JURY GRIGORIEVIC
IPC: F16F15/36
Filed: 1981-02-09
Abstract: The invention relates to devices for balancing various mechanisms. The device (1) for balancing solids of revolution having a vertical axis of revolution contains subassemblies (8, 22) for distributing the balancing liquid in the respective balancing vessels, which are arranged in measuring planes (7, 23) having the same axis as the solid of revolution. Balancing vessels (5, 24) which are connected to the subassemblies (8, 22) for the purpose of liquid distribution are arranged in the peripheral part of the solid of rotation in correction planes (6, 25). The device (1) further contains a liquid source (9) which consists of individual hermetic chambers (17, 26) in accordance with the number of the correction planes (6, 25), which lie in the central part of the solid of rotation and are hydraulically connected via pipelines (15, 32) to the subassemblies (8, 22) for the purpose of distributing the balancing liquid into the respective balancing vessels. The subassemblies (8, 22) for distributing the balancing liquid in the respective balancing vessels are likewise constructed as chambers (10, 27) having discharge channels (12, 29) which are connected via the pipelines (15, 32) to the respective chambers (17, 26) of the liquid source (9), whose ends (16, 33) are situated in the interior of these chambers (10, 27) at the same distance from the geometrical axis (4) of the solid of rotation, specifically at a distance which is greater than the diameter of the chambers (17, 26) of the liquid source (9), and are situated below the level which the balancing liquid assumes in these chambers (10, 27) during rotation of the solid of revolution, which are connected via pipelines (13, 30) to the balancing vessels (5, 24), and whose ends (14, 31) are likewise situated in the interior of these chambers (10, 27) at the same distance from the geometrical axis (4) of the solid of revolution and are situated above the level which the balancing liquid assumes in these chambers (10, 27) during rotation of the solid of revolution. In this arrangement, the ends (14, 31) of the discharge channels (11, 23), which are hydraulically connected to the balancing vessels (5, 24), are situated at a distance from the geometrical axis (4) of the solid of revolution which by comparison with the distance at which the ends (16, 33) of the discharge channels (12, 29), which are connected via the pipelines (15, 32) to the liquid source (9), are situated from the geometrical axis (4) of the solid of revolution is smaller by an order of magnitude conditioned by the balancing accuracy of the solid of revolution. The present invention will be applied in the chemical and electrotechnical industries, in coal mining and in the iron and steel industry in order to eliminate the unbalance of solids of rotation which varies in accordance with size and direction. <IMAGE>
Patent DE-3122208-A1 (DE)
Title: Arrangement for the sales display of goods
Inventor: RANKE LEOPOLD VON
IPC: A47F5/08
Filed: 1981-06-04
Abstract: For the sales display of goods, in particular photographic equipment, within a shelf support system, wherein support arms (4) are mounted on profiles, preferably having slot perforations, as a wall rail or with foot support profiles (3) so as to be vertically adjustable with spacing, a support rail (6) of U-shaped cross-section is provided for easier adaptability to different types of goods, dimensions, product groups and goods together with accessories, it being possible for said support rail to be connected to and locked with a support arm (4) by means of pins (7), the free limbs (10, 11) of the U-shaped cross-section (8, 9) being bent towards one another forming a slot (12), and it being possible for support elements (13, 14, 15) to be suspended selectively in the slot (12) in the support rail (6), which support elements rest with a horizontal part (16) on the front free U-limb (10), and being supported on the support rail (6) with a bent part (17) passing through the slot (12) and with a second horizontal part (18) engaging below the second rear free U-limb (11). These support elements (13, 14, 15) can be of different design and are each provided with a back part (19), running approximately perpendicular to the horizontal parts (16), and at least one resting part (20) running approximately horizontally. <IMAGE>