baber/WOPTO huggingface dataset:
Patent DE-2724545-A1 (DE)
Title: Amplifier using common emitter input transistor - operates with common base output transistor without loss of linearity
Inventor: SANCHEZ-HERMOSILLA LUIS ING GR
IPC: H03F1/22
Filed: 1977-05-31
Abstract: The two-stage amplifier consists of a common-emitter input transistor and a common-base output transistor. The emitter/collector paths of both transistors carry the same current. The input stage is coupled to the output stage via an auto-transformer. The input stage load resistance is kept small by giving the auto-transformer a small turns ratio. A negative feedback loop is used to match the input and output. The advantage lies in using a common-base output transistor without noticeably reducing linearity and also at low current consumption.
Patent DE-2735176-A1 (DE)
Title: Active power meter with nonlinear stochastic coding - uses noise source, D=A converter and stochastic decoding in controllable counter-frequency divider
Inventor: MASSEN ROBERT DR ING
IPC: G01R21/133
Filed: 1977-08-02
Abstract: The electricity meter consists of a non-linear noise source with constant probability p = 0.5 which produces a noise voltage (UR) whose partition function approaches that of a non-linear function with the aid of shift-registers and d-a converters. This noise voltage is compared (8) with the voltage and current and the voltage and current are converted into stochastic pulses with a pulse probability proportional to the linear segments of the characteristic used for the conversion. By the use of logic gates (9, 10) multiplication is carried out. Stochastic decoding is done in a controllable counter-frequency-divider (11) whose division ratio is determined by the respective characteristic segment being used.
Patent DE-2736721-A1 (DE)
Title: Movable hinged wall mounted sun-roof - has gas spring between arm and slide on swivelling hinge mounting (NL 21.2.78)
Inventor: HOESEL PETRUS VAN
IPC: E06B9/92
Filed: 1977-08-16
Abstract: In the sun roof structure there is a guide unit, attachable to a building, for a vertically movable slide with one end of a projecting arm fixed to it, the other arm end having apole fixed to it for canvas attachment. A gas spring (11, 12) is fitted between projecting arm (6) and slide (3), and hinged to one of these so as to swivel, at a set interval from the arm hinge axis (5). The slide can carry a guide unit for the canvas (20), and be vertically displaceable, together with the arm, for winding up the canvas. This is compact and easily manipulated, and permits stable sun roof setting.
Patent DE-2743832-A1 (DE)
Title: Film cassette for narrow cine film - with supply and take=up spools on same insert axle and held together by friction
Inventor: KLUCZYNSKI ACHIM
IPC: G03B17/26
Filed: 1977-09-29
Abstract: The cassette for the narrow cine film has the take up spool (5) at the end of a hollow shaft (2) inside the housing and with the supply spool (3) as a fixed insert over the hollow shaft. The two spools are moved apart by a threaded insert shaft so that the cine drive can engage the drive cam (5f) on one side of the housing. The cassette is simple to operate and requires no complex layout to ensure a smooth running. When the threaded insert is removed the two spools fall together and are held by friction.
Patent DE-2749568-A1 (DE)
Title: Ball bearing castor for movable rubbish container - has locking bolt to actuate pressure members on vertical spindle bearing and horizontal axis roller
Inventor: HAUSSELS BERTHOLD
IPC: B60B33/02
Filed: 1977-11-05
Abstract: The rolling castor may be clamped in position and has a unit which clamps over its uppermost level (2") to hold a pivoted bearing top (2) and a rotatable roller wheel (4) so that a braking member (3) may be used to free a damping disc (19) by pressure on a central spindle (10) which is attached to a top disc (19). The central spindle is axially adjustable in position and actuates the mechanism to hold the braking member (5). The assembly includes two ball bearing shells on either side of the main unit. The castor is for large rubbish containers and at the same time provides a secure brake for loading and unloading. A large locking moment may be achieved by a virtue of the leverage obtd. by pivoting of the outside lever acting on the central bolt.
Patent DE-2758085-A1 (DE)
Title: Wall calendar with date indicator - has rectangular frame sliding on edges of transparent strip of rigid PVC
Inventor: BEHRENS GEB KLOSS INGRID
IPC: B42D5/04
Filed: 1977-12-24
Abstract: A wall calender has a date indicator made from a strip of transparent rigid PVC. The strip has a cross-section in the form of a shallow V with turned out edges. The strip is attached to the page of the calendar by an elastic band behind the page with its ends looped over tongues projecting from each end of the strip. A rectangular frame, with turned over top and bottom edges, can slide on the edges of the strip and is moved each day to indicate the date.
Patent DE-2800668-A1 (DE)
Title: Paint spray removal from air streams - using cylindrical mixer with conical inlet to induce intense vortex with good wetting with scrubbing liquid e.g. used oil
IPC: B05B14/46
Filed: 1978-01-07
Abstract: Paint spray is washed out of exhaust air streams from paint spray plants by mixing with a scrubbing liquid such as used oil. The air is pulled into a conical inlet with liquid running down the walls. The inlet discharges tangentially into a circular mixing chamber with a shoft baffle on the wall to knock out droplets. The intense mixing so induced wets out the paint mist. The air is then drawn over the liquid surface and past disentrainment baffles to remove droplets before leaving through a filter. Method gives complete precipitation of the paint particles in the sump with a simplified cleaning process.
Patent DE-2800684-A1 (DE)
Title: Refining molten steel using gas-entrained reagent - introduced through combination tuyere-gate valve nozzle assembly in ladle base
Inventor: SPENCELEY GENE DONALD
IPC: B22D1/00
Filed: 1978-01-09
Abstract: Molten metal is treated by gas injection in a ladle having in its base a combined tuyere and closable discharge gate valve assembly. The assembly includes a body contg. a gas inlet pipe, a discharge spout and a closure member, each of which may be aligned with the discharge nozzle of the ladle by lateral movements of the body. The injected gas contains an entrained reagent. The closure portion of the body may include a porous plug through which a stirring gas may be introduced after injection of the reagent. The gas may be air, nitrogen, argon, CO, CO2 natural gas or other hydrocarbon. Improved utilization of the reagent is attained of additions from above the bath. Problems associated with lance operation are avoided.
Patent DE-2803052-A1 (DE)
Title: Multi-unit open=end machine piecing-up system - includes servicing carriage mechanism regulating speed of spinning rotor
Inventor: SAHLECKER FRITZ
IPC: D01H4/12
Filed: 1978-01-25
Abstract: The open end spinning machine described in DT2708936 is modified as follows. The spinning turbines have as normally shafts in bearings and are driven by belt mechanisms which have a loading attachment to which displacing elements are fitted. These are activated during starting up to reduce the driving force applied by the belt. A mobile servicing carriage transports the equipment for starting up spinning and has a mechanism for actuating the elements displacing the loading attachment. This mechanism, together with the whole starting up operational sequence, is under the control of a programmed circuit system. System allows greater slip than usual is allowed to extend the starting up time, and a speed of the turbine is ensured which is particularly suitable for spinning.
Patent DE-2803818-A1 (DE)
Title: Disc type valve for brewery - has groove in sealing area connected to discharge passage in spindle
Inventor: FRANKE ERICH
IPC: F16K25/02
Filed: 1978-01-28
Abstract: The valve body is particularly for a disc-type valve for food products and esp. for use in a brewery. It has the sealing surface area congruent with a seat in the housing with a groove (5). The lower portion (3) of the valve spindle has a discharge passage (7) leading outside the housing, to which the groove is connected. The groove can be peripherally set in a round disc-type valve body, the discharge passage being an axial drilling in the spindle. At the join between the groove and passage there can be an aperture in the body, at right angles to the passage.
Patent DE-2806448-A1 (DE)
Title: Object and person protection system using microwave barrier - applies received signal to comparator delivering signals in range smaller than field variations
Inventor: KLIR VILEM
IPC: G08B13/24
Filed: 1978-02-15
Abstract: The system incorporates a transmitter and a receiver, delivering to an evaluation circuit a test voltage depending on the reception fields strength. The test voltage is applied in the evaluation circuit to a DC comparator. The circuit delivers an output signal at an upper and lower response threshold, spaced by a voltage (delta U) smaller than the test voltage variations due to fields strength variations caused by obstacles outside the first Fresnel zone (12) and up to the sixth Fresnel zone (14) of the microwave barrier.
Patent DE-2806780-A1 (DE)
Title: Bar stock handling machine tool - which is passed through hollow main spindle in which it is supported
Inventor: BOLLMANN REINHARD
IPC: B23B13/08
Filed: 1978-02-17
Abstract: The machine tool esp. a lathe has a hollow rotating main spindle in which the rod or tube material which is to be machined is clamped. The material is to be machined is fed through the spindle. To prevent the material rattling in the spindle, it is supported in the spindle by means of a sleeve (11) which is slit axially so that a number of spring fingers (5, 8) are formed. The spring fingers are bent so that they support the rod or tube centrally.
Patent DE-2806907-A1 (DE)
Title: Speed control system for single-phase series commutator motor - has two anti-parallel thyristors controlled by voltage divider in full-wave rectifier
Inventor: KATO KENJI
IPC: H02P25/14
Filed: 1978-02-17
Abstract: The controller has a circuit generating a reference voltage. It has a full-wave rectifier inserted between terminals of a supply voltage source (AC). It has further a series circuit with an electric motor (M) and two antiparallel thyristors (SCR1, SCR2) connected between the supply source terminals. Circuit generating the reference voltage has a voltage dividing point (MC) connected to the thyristor gates (G1, G2). The two thyristors have different ignition sensitivities, so that one or both thyristors are operated with phase control in accordance with the voltage set at the voltage divider (MC). Thus the motor can be operated with full-wave or half-wave supply.
Patent DE-2810841-A1 (DE)
Title: Current density distribution control - by plugging holes in plates facing pickling bath cathodes
Inventor: FICKELSCHER HORST DIPL PHYS
IPC: C25F7/00
Filed: 1978-03-13
Abstract: Metal foils esp. foils for electrolytic capacitors, are roughened by pulling them through a pickling bath between cathodes, with the foil connected as the anode. Plates made of electrically insulating material, which are suspended between the foil and the cathodes, carry a grid of perforations which can be closed by pressing in suitable plugs with a snap fit, to alter the current density distribution. This is a simple way of varying the current density distribution over a wide range. The high current density near the current collector rollers can be compensated and changes in the pickling solution or foil speed can be offset.
Patent DE-2812107-A1 (DE)
Title: Reinforced concrete pylon erection system - involves successive concreting and lowering of form units with reinforcing cages
Inventor: MAIER OSKAR
IPC: E04G11/28
Filed: 1978-03-20
Abstract: Construction of pylons involves reinforcement for concrete applied to the last completed section in pre-woven cage form, and staged concreting. A number of pylons can be economically erected in a short time, as required for pylon-supported tent roofs in airports, and elsewhere. A reinforcement cage (7) and shorter form elements (8) are inserted into a form framework section (4). The section is erected and anchored to the base (6). A gap for concrete casting is left between the bottom form element and the next, which is subsequently lowered, and so on until the top form element is lowered and its concrete cast. A similarly prepared form frame section is then set on the first, and the process is repeated, and so on until the required pylon height is attained.
Patent DE-2832816-A1 (DE)
Title: Box folded from cardboard blank - has two lipped portions, with lip on flap of top panel on one portion engaging top panel on other (NL 29.1.80)
Inventor: KELLER PETER
IPC: B65D5/18
Filed: 1978-07-26
Abstract: The box consists of two similar portions formed by cutting and scoring from a cardboard blank. Each portion has bottom panels with longitudinal extension formed as lips which are received between double wall thicknesses of other pairs of panels when the blank is folded to form a box. The portions are connected via a line between the bottom panels. The top panel at the other end of one portion has a closure flap with at least one lip which is capable of engaging the opposite top panel at the other end of the other portion.
Patent DE-2834848-A1 (DE)
Title: Childproof tablet package - requiring methodical opening procedure in sequence built into the package
Inventor: SIEGEL ROLF
IPC: B65D75/32
Filed: 1978-08-09
Abstract: A press-through package for medicinal tablets which cannot be opened by children consists of the conventional deep-drawing foil with the indentations for the tablets and of a plane closing foil. Acess to the tablets is possible only if a sequence of manipulations is followed which are built into the package structure. In one version, a perforation in both foils at the ends of a perforated strip of the closing foil must be depressed by the finger-nail of an adult person. The ends of the closing foil strip must then be pulled off. Finally the tablet must be freed like a button through a buttonhole.
Patent DE-2837327-A1 (DE)
Title: Cupboard door hinge with self closing action - is tensioned by eccentrically mounted closing arm acting against hinge half
Inventor: REDEN MANFRED VON DIPL ING
IPC: E05D7/04
Filed: 1978-08-26
Abstract: The hinge for a cupboard door operates with a spring action when fully opened or fully closed. This spring force is applied by an eccentrically mounted arm (32) which is pulled against the hinge half (5) which is mounted on the inside face of the side (3) of the cupboard. The eccentric arm has a boss (36) at the end, which is forked, and which fits over the top of a spindle (12) with a pin (31) through its head, the pin being eccentrically mounted through the boss. The spindle passes through a slot in the hinge half, so that the latter can slide for adjustment on a block (1) with threaded inserts (13, 14) which are fitted into holes in the side of the cupboard.
Patent DE-2839146-A1 (DE)
Title: Motor powered blind or roller shutter - has ball chain for drawing and or drive transmission passing over sprockets
Inventor: KILIAN HELMUT
IPC: E06B9/32
Filed: 1978-09-08
Abstract: A motorised drive is provided for a roller shutter, a spring roller blind, a venetian blind or other light screen. A ball chain is used as the power transmission device. The ball chain serves for drawing the blind or screen and passes over sprockets for transmission of energy from the drive unit to the winding spindle or shaft. This is simpler than systems involving cogwheels, flat-member-chains or belts.
Patent DE-2839261-A1 (DE)
Title: Worm repelling system for area of ground - uses enclosure contg. parallel conductors between which low voltage is maintained
Inventor: MAISCH STEFAN
IPC: A01G13/10
Filed: 1978-09-09
Abstract: The device is for keeping worms away from an area of ground. It uses electrical conductors. There is a long carrier (12) of electrically insulated material which has two, spaced electrical conductors (14, 15) on one of its surfaces (13). A low voltage potential difference is maintained between the conductors. The electrical conductors are parallel to each other and are connected to a low voltage supply such as a battery.
Patent DE-2842126-A1 (DE)
Title: Refuse pyrolysis reactor drum - with internal spiral ribs of decreasing pitch and adjustable inclination
Inventor: LEWIS FREDERICK MICHAEL
IPC: C10B1/10
Filed: 1978-09-28
Abstract: A pyrolysis reactor for the gasification of refuse is a horizontal drum which is fitted on its inner walls over two-thirds of its length with spiral ribs of decreasing pitch towards the discharge end. The inclination of the drum can be adjusted (between 0.5 and 3 degrees). Such a reactor has a great flexibility for adapting it to a wide range of refuse. Changes in the drum speed and/or in the drum inclination permit an easy adjustment to optimum pyrolysis conditions.
Patent DE-2849196-A1 (DE)
Title: Automatic machine for refrigerator piping mfr. - uses set of forming rollers which are preprogrammed to produce required form
Inventor: BENTELER HUBERTUS DIPL ING
IPC: B21D11/06
Filed: 1978-11-13
Abstract: The pipe-work which circulates the refrigerant around the freezer compartment of a refrigerator is rolled to the required cross-section by first passing it between sets of stretching rollers. The pipe then passes between three sets of form rollers (44, 45, 46) which transforms the pipe cross-section in stages from circular to a semi-circle with extended flanges. The set of rollers (43) are pre-programmed in such a way that short lengths of pipe, at the beginning, at the end and at periodic intervals, are left circular to facilitate installation.
Patent DE-2849850-A1 (DE)
Inventor: STEINBACH HANS-HORST DIPL CHEM
IPC: C08G77/38
Filed: 1978-11-17
Abstract: 1. Use of a compostion containing 60 to 90 parts by weight of an organic solvent and 10 to 40 parts by weight of a metal-oxide-group-containing polysiloxane having 1 to 100 SiO groups per metal oxide group, for the adhesion-reducing coating of smooth or rough surfaces, in particular for walls of buildings.
Patent DE-2850197-A1 (DE)
Title: Cooling system for high power underground equipment - removes heat using vaporiser inside stator casing of drive motor
Inventor: KLOTZ HUGO DIPL ING
IPC: F01P9/06
Filed: 1978-11-18
Abstract: The cooling system, esp. for mining or tunnelling locomotives used underground removes waste heat via a heat pump system containing only the vaporiser at the location of the heat source in the high-power equipment or within a pressure-tight encapsulation. The vaporiser (4, 5, 6) is located in axial cavities in the outer stator casing of the drive motor (1). The stator casing (7) of the drive motor is made of tubes for carrying coolant and is itself constructed as vaporiser. Alternatively, the vaporiser may be located in the pressure-tight casing containing the electronic circuitry. The feed throughs for the vaporiser are themselves pressure-tight.
Patent DE-2905699-A1 (DE)
Title: Clip fastening for trim strip - has double ended spring to grip both sides of fitting hole
Inventor: BAUSCH MAX
IPC: F16B5/12
Filed: 1979-02-15
Abstract: A fastening clip for trim strips has a double hooked fastening with one hook as an S-shaped clip (30) to grip the inside of the fastening hole and the other slip as a rigid lip (21) to grip the other side of the fastening hole. The clip is secured to the inside of the strip on a ratchet fitting. To fit or remove the strip it is slid axially to free the rigit lip from the edge of the hole. Ir is then pulled slightly away from the body and slid in the other direction to disengage from the hole. no fitting tools are required.
Patent DE-2910585-A1 (DE)
Title: Axial-sealing slider for IC engine cylinder-cooling air ducts - consists of ported disc inside cylinder head, with rigid cover-inserts flexibly held
Inventor: STEIGER ANTON
IPC: F01L7/06
Filed: 1979-03-17
Abstract: The axial-sealing slider is for the combustion chamber end of axial cooling-air ducts in IC engine cylinder heads arranged in two or more rows substantially concentric with the cylinder. It comprises a thin (relatively) sealing disc (2) with holes (7) for the air plus others (3), of larger bore than the ducts (1) and concentric with the latter with the slider in the 'closed' position. Into these holes rigid lids (10) are inserted, leaving a peripheral clearance. A heat flow retarding membrane (11), flexible under thermal stress, provides a gastight seal between disc and cover; the latter bears (12) against the cylinder head (8) with the slider closed.
Patent DE-2911200-A1 (DE)
Inventor: RIECKE ERNST HERMANN ING GRAD
IPC: A47J41/00
Filed: 1979-03-22
Abstract: 1. Insulating container (M), preferably in the form of a bellied, mock barrel, for cans (1, 34) containing drinks, especially beer, and having a capacity of several litres, the insulating container (M), which consists of a casing (6) and a base (7), being open at its top and enclosing an inserted can (1, 34) at its upper edge with little play, characterised in that the base (7) is detachably secured to the casing (6) such that it is reversible and can be locked in two positions on the casing (6) and is provided on both sides with support surfaces (16, 17) for a seated can (1, 34), which support surfaces (16, 17) are higher on one side of the base (7) than on the other side and that the inside diameter (d2 ) of the lower opening (13) is greater than the inside diameter (d1 ) of the upper opening (12).
Patent DE-2913009-A1 (DE)
Title: Laundry folding unit - has side sensors to register oversize pieces
Inventor: SCHAEDLICH GOTTHARD
IPC: B65H45/04
Filed: 1979-03-31
Abstract: In the equipment to fold laundry across, there are >=2 successive monitors to define the cross folding zone. To determine the position of the laundry item, and/or to define the folding zone at right angles to the direction of conveyor travel, there is >=1 monitor unit to one side of the sensors at the conveyors. The system ensures that the folding mechanism is only activated when suitable laundry items pass through, and the action is not triggered if oversize pieces are registered.
Patent DE-2913991-A1 (DE)
Title: Two column motor vehicle hoist - has load-supporting arms rigidly fixed to each lifting slide
Inventor: NUSSBAUM HANS
IPC: B66F7/02
Filed: 1979-04-06
Abstract: The motor vehicle hoist has two columns, up which lifting slides travel, equipped with arms supporting the load. Each slide has one or more such arms rigidly fixed to it. There can be two rigid arms on the opposite slides. Two others hinge on them on brackets, the hinging ones being telescopic. Alternatively, each slide can have fixed to it rigidly a girder running parallel to the hoist centre line and with transverse supporting arms at the opposite ends.
Patent DE-2916418-A1 (DE)
Title: 14-Methyl-bi:cyclo-10,3,0-pentadecene-1,2-muscone precursor prepn. - by alkylating cyclo:dodecanone with allyl halide, ozonising cyclising, conversion to bi:cyclic alcohol, dehydration and opt. isomerisation
Inventor: BAUMANN MANFRED DIPL CHEM DR
IPC: C07C49/413
Filed: 1979-04-23
Abstract: 14-Me-bicyclo-(19,3,0)-pentadecene- 1(12) having formula (I) is prepd by (A) a phase transfer alkylotion reaction of cyclododecanone (II) with an allyl halide (III) (where X is Cl, Br, or I); (B) O3-dissociation of the 2-(2'-methylene-1'-propyl)-cyclododecanone (IV) obtd to form 2-(2'-oxo-1'-propyl)-cyclododecanone (V): (C) cyolisation of (V) to bicyclo (10,3,0)-pentadeca-15-en-14-one (VI); (D) reaction of (VI), opt after hydrogenation to bicyclo(10,3,0)-pentadecan-14-one, (VIa), with an MeMg halide, to form the new bicyclic alcohols (VII) or (VIIa); (E) dehydration of the alcohols to the new methylated bicyclic cpds. (VIII) or (VIIIa); (F) hydrogenation of the 14-Me-bicyclo (10.3,0)-pentadeca- 1(12).14 -diene (VIII) or G isomerisation of the 14-Me-bicyclo-(10,3,0)-pentadeca-14-ene (VIIIa) by heting with acids. (I) is an intermediate in muscone musk perfume prepn. and allows a simple prepn of muscone.