baber/WOPTO huggingface dataset:
Patent DE-2634782-A1 (DE)
Title: Audio tape cassette player - uses tape carrying visible marks seen through windows in cassette and reproduction unit
Inventor: MEILING PAUL
IPC: G09B5/06
Filed: 1976-08-03
Abstract: The sound reproduction device is for signals recorded on a flexible tape such as music, speech etc. The cassette has at least one aperture for tape scanning by a magnetic head. The tape (3) has additional marks, such as characters, pictures etc. and the cassette (1) has at least one window (8) through which these marks can be seen. The reproduction unit also has a window or opening in the area of at least one of the cassette (1) windows (8).
Patent DE-2635249-A1 (DE)
Title: Blue dye components (Resoblue:RTM) prodn. - from resorcinol, ammonia and hydrogen peroxide, to determine a specific carbohydrate and diagnose potato leaf virus infections
Inventor: WEICHELT THEODOR DIPL ING
IPC: G01N33/02
Filed: 1976-08-05
Abstract: A method is given for producing blue dyie components (Resoblue) which is used esp. to determine allose (a 1,3-beta-glycoside-linked glucose carbohydrate) and offer early diagnosis of potato leaf virus infections which produce this carbohydrate as a sec. product. 4.8 M resorcinol is reacted with 0.25M ammonia and 1-1.2% H2O2 in water for 6.8-7 days at 25 degrees C. The pref. concn. ratios are 4.8M: Zn: 4.5% respectively when a reaction time of only 5 hrs. at 25 degrees C. is required.
Patent DE-2642127-A1 (DE)
Title: Tempering furnace combustion high efficiency system - has flue gas-combustion air heat exchanger with controlled flue gas flow
Inventor: OERTEL KLAUS DIPL ING
IPC: F23L15/04
Filed: 1976-09-18
Abstract: The open firing of the tempering furnace has a processing space fitted with burners. The processing space has a combustion air supply duct and a hot flue gas extract duct (4). Above the extractor duct (4) a further extractor duct (6) is fitted with a collecting hood on the entry end with the other end connected to heat exchanger (9), to which extractor fan (10) is fitted. The heat exchanger has another set of connections for the combustion air supply duct (3). Extractor duct (4), as well as duct (6) are fitted with velocity pressure measuring tubes with output lines connected to controller (11) which operates butterfly damper (8), hereby ensuring that flue gases reaching the heat exchanger have a relatively high temp.
Patent DE-2644018-A1 (DE)
Title: Multi-layer coin test appts. - applies magnetic and thermoelectric tests using differential amplifier and electronic evaluator
Inventor: EIBEN JOHANN
IPC: G07F1/06
Filed: 1976-09-30
Abstract: Multi-layer coins made of different metals tested magnetically and thermoelectrically use differential amplifier and electronic evaluator. Two-layer coins consist of an anti-magnetic layer (W) and a ferromagnetic layer (V) of metal alloys. Multi-layer coins consist of three or more metallic layers. The coin can be provided with a lattice-like intermediate metallic layer or with one or more continuous wires or strips or two or more metal parts. The anti-magnetic metal of the coins has magnetic or magnetizable metallic particles (ms) embedded. A magnetic recording is induced and electronically evaluated, tested or compared via a test head and detector.
Patent DE-2649243-A1 (DE)
Title: Fuel saving device fitted to throttle pedal - has sprung stop to limit throttle setting for normal pedal pressure
Inventor: GOERGE WERNER DR ING
IPC: G05G1/46
Filed: 1976-10-29
Abstract: The fuel saving device comprises a spring loaded plunger (7) set under the throttle pedal and limiting the throttle setting to between 75 and 85% of full throttle. To obtain full throttle the driver has to press down harder as in a kickdown control. The system can be fitted to any type of vehicle, esp. contruction vehicles and haulage vehicles, which operate for long periods, and in which fuel consumption increases rapidly as full throttle is reached.
Patent DE-2650378-A1 (DE)
Title: Platinum alloy partic. for jewellery - formed by melting components under protective gas atmos., casting and annealing
Inventor: SPERNER FRANZ DR
IPC: C22C5/04
Filed: 1976-11-03
Abstract: Pt alloy contains >=95 wt.% Pt, made up to 100 wt.% with 3-4.5 wt.% Co, 0.5-2 wt.% Ta and/or 0.5-1.5 wt.% Nb,. The alloy is prepd. by melting the components under a protective gas atmos., casting and annealing the alloy casting at 1000 degrees C. Alloy is used specifically for jewellery, e.g. rings, brooches and pendants. A specific alloy contains 4 wt.% Co and 1 wt.% Ta.
Patent DE-2700032-A1 (DE)
Title: Retail package for small components - has base plate with interlocking stacking pins engaging cover of adjacent package
Inventor: STEINMUELLER KURT
IPC: B65D6/06
Filed: 1977-01-03
Abstract: The retail package for small parts includes a base plate with a support slot, and edge seals and a cover positioned on the base plate and clamped by the edges. The base plate (1) has on one of its side surfaces a number of circumferentially spaced pins (5, 5') which project over the height of the cover (2). The pins (5, 5') are provided with a recess (6, 6') in their top surface. In the recesses (6, 6') of the pins (5, 5') fit correspondingly spaced feet (7, 7') on the wall of an adjoining package, enabling them to be stacked together.
Patent DE-2709244-A1 (DE)
Title: Display signs e.g. house numbers - comprise glass or polystyrene base supporting phosphorescent and fluorescent layers
Inventor: BOHMANN JOSEPH
IPC: G09F13/20
Filed: 1977-03-03
Abstract: Display signs, e.g. alpa-numerical charcters are composed of a transparent base made of glas or polystyrene carrying the outline of the character in the form of a pref. 0.2-0.4 mm thick phosphorescent layer surrounded by outer and inner fluorescent layers of like thickness. The fluorescent and phosphorescent layers are protected by a scratch proof plastics layer. The latter may be provided with a pressure sensitive adhesive layr for mounting of the characters to form display signs. house numbers, street name signs or names on boats.
Patent DE-2710011-A1 (DE)
Title: Prestressed concrete components with enveloped prestressing elements - uses tubes filled with mortar which harden after on site prestressing
Inventor: SCHAEFER HORST DR ING
IPC: E04G21/12
Filed: 1977-03-08
Abstract: The prestressing elements are fitted into enveloping pipes, and are subsequently embedded with full bonding between the material within the tube and the prestressing elements. This system of prestressing is used on site where the prestressing elements cannot be embedded directly into the bulk concrete. The enveloping pipes are filled with mortar or plastics which will harden after the prestressing elements are loaded. The enveloping tubes can be filled before delivery to the building site.
Patent DE-2710341-A1 (DE)
Title: Board for plugged integrated circuit for teaching purposes - has socket for integrated circuit at one end connected to single connection sockets along edges and carries foil with circuit diagram
Inventor: TREUDLER REINHARD
IPC: H05K7/02
Filed: 1977-03-10
Abstract: The interlocking carrier system provides a plug in mounting for an integrated circuit and a ready means of interconnection. The carrier (1) has two rows of plug in sockets (2), each connected permanently with a terminal (3) on the integrated circuit chip socket (4). Additionally each socket (2) has a contact terminal for ease of coupling to instruments, probes etc. A foil with apertures for the sockets may be bonded to the top surface of the carrier. The foil will carry specific pin details of the integrated circuit being used.
Patent DE-2717666-A1 (DE)
Inventor: PLANKEMANN KARL ING GRAD
IPC: B66B23/12
Filed: 1977-04-21
Abstract: The one-piece escalator step made of a light-alloy pressure diecasting is provided with a longitudinal reinforcing member (5) arranged on the inside at the rear part of the treadplate (1). The bottom edge of the longitudinal reinforcing member (5) is connected to the bottom edge of the end plate (2) by laterally arranged supporting struts which carry the bearing and fastening elements (9, 10) for the running roller and for fixing the step to the revolving chains. A longitudinal reinforcing rib (7) is attached in the area of the bottom longitudinal edges of the longitudinal reinforcing member (5), which results in an increase in the section modulus. <IMAGE>
Patent DE-2718598-A1 (DE)
Title: Reduction of mains borne interference from rectifiers - using and stop filter consisting of capacitors, chokes and resistors connected to rectifier input to reduce current harmonics
Inventor: KNUTH DETLEF DIPL ING
IPC: H04B15/02
Filed: 1977-04-22
Abstract: Interference coupled into communications equipment by mains conductors feeding rectifiers is reduced by filter circuits at the inputs to the rectifiers. A combination of capacitors (7), chokes (5, 8) and resistors (6, 9) is connected in parallel to the rectifier (2) input terminals. If a minimum (2) inductance remains effective, a wide band loss trap circuit is produced specifically tuned to harmonics of the current through the rectifier. A resistor (9) in series with an inductor (8) may be connected across one of the chokes (8) to provide protection against transient mains voltage peaks.
Patent DE-2721053-A1 (DE)
Title: Stable aq. dispersion prodn. from non-alkaline silica - using alpha-methylcellulose strengthened with synthetic resin as thickener
Inventor: DIETHER JEAN
IPC: C09D17/00
Filed: 1977-05-11
Abstract: The silica, pref. in the form of a filter cake, is dispersed uniformly in water, adjusted to pH 1-6, pref. 2-4, with stirring, and stabilised by addn. of 0.001-1, pref. 0.005-0.1% thickener w.r.t. the total amt. of dispersion. The pref. thickener is alpha-methylcellulose strengthened with synthetic resin. The dispersions are useful, e.g. as antislip agent for cardboard. The process makes it possible to produce stable dispersions from isolated and opt. dried silicas, which are not alkaline.
Patent DE-2722450-A1 (DE)
Title: Mining machine tunnelling drum - has removable teeth extending at different angles towards working face from carrier plate
Inventor: HOFFMANN DIETER
IPC: E21C25/10
Filed: 1977-05-18
Abstract: The tunnelling drum for a mining machine, has a conical sealing body with a number of pick teeth mountings round the periphery. The axes of the teeth are inclined to the working face, the teeth protruding beyond the body periphery. Several tooth mountings (9) on the body (6) hold removable teeth (16) whose axes (17) extend from the front face (14) towards the working face (15), or from the front face of the mounting (18). The free end of each such tooth is appreciably further forward than this latter front face. The axis of each tooth can be at right angles to that of the other tooth (11) in the same mounting, or very nearly so, and also at right angles or nearly so to the front face (14) of the body.
Patent DE-2731927-A1 (DE)
Title: Movement detection using light intensity variation measurement - by successive comparison of light density differential derivative w.r.t. time
Inventor: GEYER HANS
IPC: G08B13/194
Filed: 1977-07-14
Abstract: Circuit detects moving bodies using light intensity variation. The differential derivative of the light density falling on a defined surface is determined w.r.t. time. Successive measured values are compared with one another and differences displayed and/or evaluated. Light is converted into current or voltage by a sensor whose output is input to an operational amplifier via a differentiator. The amplifier output is input to a trigger stage operating a slow level changes whose output is connected to display and/or evaluation circuits via a switch.
Patent DE-2732237-A1 (DE)
Title: Disposable container for biological fluid - with cannula into inner plastic tube inside plastic foil bag
Inventor: SINN HARTMUT DIPL ING
IPC: B01L3/00
Filed: 1977-07-16
Abstract: A container for the temporary storage of biological fluids (blood) prior to and after the use in a measuring instrument (viscosimeter) consists of an inner test tube, enclosed in a much larger bag, made of soft plastics or plastic foil. A cannula is bonded to the sealed bag mouth and reaches to the bottom of the inner tube. Blood can be stored in the tube before use in a viscosimeter. When returned from the viscosimeter, the outer bag is large enough to hold any flushing liquid before the whole bag can be thrown away.
Patent DE-2733125-A1 (DE)
Title: Folding chair with adjustable backrest and scissor legs - has locking lever on legs engaging in slot beneath seat
IPC: A47C4/14
Filed: 1977-07-22
Abstract: The chair includes a back rest(14) which is attached to the back of the seat(15) on each side by connecting brackets(17) whilst the front-facing pair of scissor-like legs(10) is swivel mounted on this connecting bracket to form an extension of the back rest(14). A locking lever(21) which when the chair is in the position of use engages in recesses(25) in the seat(15) is mounted on the rear pair(11) of legs at a distance from the scissor axis(12) where the legs are joined together. This locking lever(21) is connected for articulated movement to the seat(15) by swivel levers(24). The backrest(14) can be set and held in various inclined positions relative to the legs(10, 11) by an adjustment mechanism(27) pref. in the form of ratchet slots and webs located on the armrest(16) and leg(11).
Patent DE-2734597-A1 (DE)
Title: Cold-washing textile detergent compsn. - contains amino-hydroxy-stearic acid ester and anionic, nonionic and/or zwitterionic surfactant
Inventor: TESMANN HOLGER DIPL CHEM DR
IPC: C11D3/33
Filed: 1977-08-01
Abstract: Textile detergent compsn. contains an anionic, nonionic and/or zwitter-ionic surfactant (A) and 0.3-3 (0.5-2.5) wt.% aminohydroxystearic acid ester having formula (CH2)6-COOR3 (I) (where n=1 and a=7 (pref.), or n=2 and a=4, or n=3 and a=1; R1 and R2 are H, 1-12C alkyl, 2-15C hydroxyalkyl or aminoalkyl and R3 is 1-5C alkyl, esp. Me). Wt. ratio (A): (I) is 50:1-2:1 (30:1-2:1). The compsns. can be used in cold water, e.g. tap water, at 10-30(15-25) degrees C. The addn. of (I) synergetically increases washing power of (A) at low temps., surfactant and phosphate proportions can be reduced. Detergent compsn. for washing cotton or cotton/polyester at 20 degrees C. contained 1% Me 9(10)-amino-10(9)-hydroxystearate, 8% Na dodecylbenzyl sulphonate and 3% tallow alcohol + 7 C2H4O.
Patent DE-2739265-A1 (DE)
Title: Packaging material as continuous length of flexible tube shape film - airtightly ligated at regular intervals in collapsed form
Inventor: KAI HISAO
IPC: B65B43/26
Filed: 1977-08-31
Abstract: Packaging material comprises a continuous length of flexible tube-shaped film airtightly ligated at regular intervals in a collapsed form.
Patent DE-2739564-A1 (DE)
Title: Power jigsaw for covered pipes - has slidable curved metal plate to hook over pipe during cutting
Inventor: VOGT ALFRED
IPC: B23D49/00
Filed: 1977-09-02
Abstract: The accessory is for electric motor driven jigsaw with a guide for cutting tubes, tubes embedded under plaster. A sheet metal plate (1) slides at right angles to the saw blade (4). This plate has a downwards curved end (2) hooked on the tube to be cut. The plate is spring loaded so that the saw blade is pressed against the tube on cutting. The handle (17) is used to release the hooked plate from the tube. The plate is guided by channels (8, 9) holding the plate edges and the curved part is slotted.
Patent DE-2748092-A1 (DE)
Title: Steering gear housing for passenger motor vehicle - is connected by flanges and bolts between body and front axle
Inventor: MATSCHINSKY WOLFGANG DIPL ING
IPC: B62D3/00
Filed: 1977-10-27
Abstract: The steering gear housing in a passenger motor vehicle is connected to front axle carrier. This housing is held by a compact and accurately positioned holder. The steering gear housing (1) has fastening flanges (8) which reach between vehicle body parts (15, 16) and front axle (13). The flange fastening bolts pass through the front axle and a centering arrangement. An additional flange (21) is connected to support (22) on front axle carrier (13).
Patent DE-2749117-A1 (DE)
Title: Temp. survey during welding - using oscillating partial radiation pyrometer to detect defect formation
Inventor: SCHWENK WOLFGANG
IPC: B23K9/095
Filed: 1977-11-03
Abstract: Thermal inspection of fusion welding of a linear welding joint is claimed using a partial radiation pyrometer, isolating only heat radiation of a given wavelength range, determining the temp. profile transverse to the joint. The measurements can be made 5-15 Hz in transverse movement backwards and forwards. Used in determination of defect formation e.g. at time of formation.
Patent DE-2749595-A1 (DE)
Title: Counter for working hours - has display elements on insert with projection carrying terminals for motor supply
Inventor: BAUSER KARL
IPC: G07C3/04
Filed: 1977-11-05
Abstract: The counter has a display unit in a housing behind windows in its front side, and a running display device with a motor driven visual disc. All parts (12, 13, 20, 21, 22) to be placed in the housing (11) are mounted on an insert (10, 25, 26) with a projection (31, 32) carrying terminals (33) for supply of the motor (12) mounted on the insert (10). The carrier walls (26) of the insert are provided with a projection (29) which supports the display disc, which is of circular form with five indentations.
Patent DE-2753913-A1 (DE)
Title: prostaglandin intermediate 2-oxo-alkyl-phosphonic acid ester derivs. - prepd. by reacting phosphonate ester metal salts with substd. carboxylic acid ester cpds.
Inventor: DISSELNKOETTER HANS DIPL CHEM
IPC: C07C405/00
Filed: 1977-12-03
Abstract: New 2-oxo-alkylphosphonic acid esters have formula (I): where R1 is alkyl; R2-R6 are H or opt. substd. alkyl; x is 1,2,3 or 4; y is 0-8; and z is 0, 1 or 2. (I) are useful as intermediates for new prostaglandin analogues with a narrower spectrum of activity and longer duration of action than natural prostaglandins.
Patent DE-2754037-A1 (DE)
Title: Enamel for household equipment e.g. ovens - with improved scratch and crack resistance
Inventor: PFEIFER DIETER
IPC: C03C8/14
Filed: 1977-12-05
Abstract: A single coat enamel contains a fine grained additive which is harder than quartz and >=1 enamel frit. The pref. additive is 10-15% steatite but Al2O3 can be used. The additive is incorporated in the milling process. A typical compsn. is Commercial frit or frits 100.0 pts; clay MT510 7.0 pts; Na aluminate 1.0 pts; NaNO2 0.5 pts; Bentonite 1.0 pts; Colourant 1.9 pts; Steatite 10.0-15.0 pts; Water 65.0 pts. After milling the slip is applied in the usual way and fired in a conventional enamelling furnace.
Patent DE-2756146-A1 (DE)
Title: Temporary plastics front tooth - has drainage tube with bottom projecting to fit into hole down centre of tooth stump
Inventor: BEUTTER FRANK
IPC: A61C13/30
Filed: 1977-12-16
Abstract: The temporatory artificial front tooth made of plastics material consists of a top piece (1) which can be mounted on a tooth stump (4) so as to cover it completely. The top piece has a hole (2) through the middle, in line with a hole (3) down the centre of the stump. This acts as a drainage tube and allows gases to escape, but prevents food from entering. The hole through the top piece allows an anchorage tube to be fitted, with its end (26) projecting to fit into the hole down the stump. The top (2a) of the tube is flush with the top of the artificial top piece. The tube can be removed by a wire of suitable diameter.
Patent DE-2759072-A1 (DE)
Title: Roof ventilator deflector cowl - has nozzle shaped fresh air inlet passages producing ejector effect at vent shaft
Inventor: FESSELE ROLF ROBERT
IPC: F23L17/08
Filed: 1977-12-30
Abstract: The roof ventilator deflector cowl is particularly for animal stalls, having a union piece fitting on the vent shaft and to which a side sleeve is attached by means of fixing devices at intervals. At the top end of the vent shaft (9) there are in the cowl (3) nozzle-shaped air inlet passages (6) extending upwards to deliver the max. quantity of fresh air. The latter is drawn inside the cowl by ejector effect, and mixed with the stale air emerging from the vent shaft. The side sleeve can be of truncated conical section, the annular gap between it and the shaft forming a fresh air intake nozzle.
Patent DE-2801670-A1 (DE)
Title: High pressure diaphragm pump excess pressure protector - has pipeline connected to inlet and pressure vessel with gas cushion
Inventor: GRAF EUGEN
IPC: F04B43/00
Filed: 1978-01-16
Abstract: The diaphragm high pressure pump for liquids is protected against in admissible excess pressure at suction pressure of at least fifty bars. The suction pressure is maintained by a gas cushion and hydraulic chamber is connected to excess pressure protection pipeline and hydraulic inlet. This pump protector ensures that in case of high and alternating inlet pressure on overloading the diaphragm is not damaged. The excess pressure protection pipeline (8) is connected downstream of the excess pressure valve (7) and the hydraulic inlet pipeline (10) upstream of the hydraulic protection valve (11) by the pressure vessel (9). The latter is connected by bellows pressure transmitter (13) to the gas cushion. This arrangement ensures that in the hydraulic chamber of the diaphragm pump cannot remain any lower pressure than the inlet pressure of the pump and this avoids in admissible loading of the diaphragm.
Patent DE-2803472-A1 (DE)
Title: Tangled thread mats for water works - are spun through different sized nozzles with threads uniformly bonded at intersections
Inventor: OLTMANNS HEINRICH
IPC: D04H3/16
Filed: 1978-01-27
Abstract: A mat of tangled fibres, esp. for use in water works, is produced by an arrangement of spinnerets for a molten synthetic material, above a bath of a cooling medium, pref. water, together with bodies, partly immersed in water, between which the mat being formed is moved away. The spinnerets have outlets of different sizes and are offset to each other, relatively to their distance from the surface of the water. Used for the prodn. of filter mats to be used in water undertakings, and having for pref. one surface with soft fine threads and the other surface with coarser and harder threads. These cannot be produced by existing methods, and the present invention makes it possible to spin threads of different dias. simultaneously and maintain them in a uniform plastic condition so that at their intercrossing points a mat of uniformly bonded threads is produced.
Patent DE-2806801-A1 (DE)
Title: Variable effect brake light control - has switches operated in staggered series by depression of brake pedal
Inventor: JOENS KARL-AUGUST
IPC: B60Q1/44
Filed: 1978-02-17
Abstract: The brake light system has a series of brake light switches set in a staggered operation under the brake pedal so that the different brake lights are operated with increasing braking intensity. Following traffic can clearly identify how hard the leading vehicles are braking. The lights can be in increasing intensity, or can cover increasing lens areas. The system provides additional safety in poor visibility.
Patent DE-2808661-A1 (DE)
Title: Temp. control for car heater - has thermal expansion element geared to setting device for mixing flap
Inventor: FROMMHOLZ WILFRIED DIPL ING
IPC: B60H1/00
Filed: 1978-03-01
Abstract: The temperature control for the vehicle fresh air heater has a control element which determines the relative setting of the mixer flap, using a thermal expansion element(5) which drives a reduction gearing(6) to operate on the setting control. The temperature control requires no complex electric servo control and operates directly on the heater linkage. The small movements of the expansion element are magnified by the reduction gearing, operating in reverse. The temperature is maintained at different vehicle speeds without any additional adjustment.