baber/WOPTO huggingface dataset:
Patent DE-3103606-A1 (DE)
Title: Ribbed-tube cross-section
Inventor: ELIAS JIRI
IPC: F24D3/14
Filed: 1981-02-03
Abstract: A floor heating, in which a heating element is laid in a serpentine manner in a floor cavity, the cross-sectional area of the floor cavity amounting to more than four times the cross-sectional area of the heating element, optimises the combination between radiation and convection. Up to a thermal load on the floor surface of 80 kcal/m<2>h, the floor cavity forms an air chamber closed on itself and having internal air circulation, up to 100 kcal/m<2>h it is connected to a wall cavity, and above this it is connected in a way known per se, via an inlet orifice and an outlet orifice respectively, to the room to be heated.
Patent DE-3108063-A1 (DE)
Title: Actuating device for valves, in particular those in motor vehicle brake systems
Inventor: PILOT HARRY
IPC: B60T15/02
Filed: 1981-03-04
Abstract: Valves, especially control or directional control valves in motor vehicle brake systems, must be operated by means of a pulse, provided either by the foot or with the aid of an electromagnet or of a pneumatic or hydraulic pulse. In their simplest form, such valves have at least two positions, of which at least one is latched. In order to make the application of the actuating force as simple as possible, this should operate in only one direction. The object is therefore to be able to achieve at least two different positions of the valve without changing the direction of the actuating force indicated by the arrow (9). A latching depression (22) as part of a slotted track (10) is provided for the purpose of latching. The slotted track forms an endless closed cam track with a recess (21) accommodating the latching depression (22). The design of oblique surfaces (15, 16, 17, 18, 19) and of the relative positions of the sections of the cam track (10) furthermore unambiguously determine the direction of motion of a latching body (11) in the slotted track.   <IMAGE>
Patent DE-3108857-A1 (DE)
Title: Inner sealing cap for a container, which is sealed when not in use
Inventor: OGASAWARA HIROTAKE
IPC: B65D51/20
Filed: 1981-03-09
Abstract: An inner sealing cap for a container, which is sealed when not in use, is described, which cap has a main cap element which is made of a thermoplastic material, is provided with an outflow aperture which passes through its upper end wall and has a blocking element, which is removably mounted on the outflow aperture, and a holding tag situated on the said aperture. The blocking element is composed of another type of thermoplastic which has no chemical affinity with the thermoplastic from which the main cap element is made. The blocking element is lightly mounted on and/or fastened to the main cap element, to seal off the outflow aperture. Mounting and/or fastening is carried out by having the blocking element pressed and/or forced against the main cap element while the blocking element is melted by means of heating. <IMAGE>
Patent DE-3113126-A1 (DE)
Title: Arrangement for cooling a gas-cooled or liquid-cooled electrical machine
Inventor: SALING KARL-HEINZ
IPC: H02K9/10
Filed: 1981-03-27
Abstract: The invention relates to an arrangement for cooling a gas-cooled or liquid-cooled electrical machine (10) whose primary coolant in the inner cooling circuit (11) provides direct or indirect heat exchange with the vaporiser (14) of a closed heat-pump circuit (15) consisting of a vaporiser (evaporator) (14), compressor (16), condenser (17) and restrictor (18), the condenser (17) exchanging heat with the medium in an outer circuit (21). In order to make it impossible to operate the electrical machine (10) without simultaneous operation of the heat-pump circuit (15), which is constructed in one or more stages and is connected between the heat exchanger (13) through which the primary coolant flows and the heat exchanger (19) through which the coolant in the outer circuit (21) flows, the compressor (8, 16) of the heat-pump circuit (15) is driven directly or indirectly by the electrical machine (10). <IMAGE>
Patent DE-3118131-A1 (DE)
Title: Pigment for reversible thermoindicators
Inventor: CHMELKOV STANISLAV F
IPC: C09B57/10
Filed: 1981-05-07
Abstract: The pigment for reversible thermoindicators is a product which is prepared by reaction of an aqueous solution which contains copper and mercury ions with an aqueous solution of a nitrogen-containing organic compound - carboxamide, thiocarboxamide, tertiary amine - a reaction mixture being obtained which is subjected to a further reaction with an aqueous solution which contains iodide ions, in an atomic ratio copper : mercury : iodine of 2 : 1.5 : 3 to 5 and an amount of the nitrogen-containing compound equal to 0.8 to 8 %, relative to the total content of copper and mercury. The pigment obtained in this process has a critical temperature from 38 to 70 DEG C and a stability to heat from 160 to 180 DEG C.
Patent DE-3121970-A1 (DE)
Title: Digital phase discriminator
Inventor: SCHEUING ERNST-ULRICH DIPL ING
IPC: G01R25/00
Filed: 1981-06-03
Abstract: The invention relates to a digital phase discriminator having two delay-type flip flops and two Exclusive OR gates, each gate being followed by a switchable constant-current source. A capacitor is charged up or discharged by the constant-current sources depending on the phase angle of the pulses to be compared. Of the two pulses to be compared, one has pulse and interpulse durations which are integral multiples or period lengths of the other pulse. The invention is used in regenerative repeaters of pulse-code modulation multiplex transmission systems in order to synchronise a local clock generator with the line signal.
Patent DE-3127074-A1 (DE)
Inventor: GLAESER KARL CHRISTIAN ING GRA
IPC: B24C5/04
Filed: 1981-07-09
Abstract: 1. A jet appliance, particularly for compressed air blasting, with a hose-like delivery pipe (1) of substantially constant internal cross-section that can be attached at its entry end to a source of a mixture of compressed transporting air and blasting medium and can be attached at its exit end to a blasting nozzle (2) which possesses an elongated constriction portion (3) narrowing down from the internal cross-section of the delivery pipe (1) to a jet restriction (5) and if required an expansion portion (4) attached to the jet restriction (5) and is at least partially assembled from several rigid and preferably straight tubular pieces (6, 7, 8) joined to one another and in which the interiors of the tubular pieces (6, 7, 8) represent an imaginary body, narrowing or expanding as the case may be, characterized in that the tubular pieces (6, 7, 8) are separated from one another by ring-shaped interspaces (9) and are connected together like the sides of a polygon by flexible couplings (11, 14, 16) that are located externally to the imaginary body in a radial direction in the areas of the ring-shaped interspaces (9).
Patent DE-3129302-A1 (DE)
Title: Rotary drive mechanism for alternate directions of rotation
Inventor: NITANDA HIROSHI
IPC: F16H63/12
Filed: 1981-07-24
Abstract: A description is given of a rotary drive mechanism for alternate directions of rotation. This mechanism can be used, for example, for the feed carriage or for the optical system of a copier. The rotary drive mechanism for a normal and a reversed direction of the rotary drive of a rotary drive element has a drive source with a fixed direction of rotation which imparts its rotary motion to two spring clutch devices of essentially identical design, each of which transmits the rotary motion in alternate directions of rotation to the element in rotary motion. The rotary motion of the element in rotary motion can be reversed by the selection of one of these spring clutch devices via a control lever arrangement. In this way it is possible to produce an alternate direction of rotation of the element in rotary motion without a relatively bulky construction, for example an electromagnetic clutch, and with a drive source with just one direction of rotation. In addition, the advantage is obtained that the speeds of rotation during normal or forward rotary motion and reversed rotary motion can, by the simplest of measures, be selected in a predetermined ratio to one another.
Patent DE-3136357-A1 (DE)
Title: Standing umbrella, in particular garden umbrella
Inventor: MAY ANTON
IPC: A45B25/00
Filed: 1981-09-14
Abstract: The umbrella part (1) of the standing umbrella is held by a vertical mast (2) on an umbrella support (3) and can be moved upwards from the spread position into a closed position by means of an adjusting device (4), the canopy rods (12) being placed closely against the mast. On the other hand, the umbrella part can be lowered from the spread position at least to the extent that a limited closed position is achieved, in which case the umbrella forms an approximately conical covering tightly above the ground and can enclose a table, chairs and other implements. Whereas the inner bearings (11) of the canopy rods (12) mounted in the first bearing ring (9) are guided automatically adjustably along the mast (2), the adjusting device (4) which acts in the axial and in the radial direction engages on the strut bearing (15) by means of the spreading strut (16). To close the umbrella by pivoting the spreading strut (16) upwards, the strut bearings (15) are raised and pivoted inwards, as a result of which the canopy rods (12) which have been pushed upwards are pivoted downwards against the mast. During the downward movement from the spreading position, the canopy rods and struts pivot downwards in the same direction. <IMAGE>
Patent DE-3137436-A1 (DE)
Title: Letter-box and mail compartment with remote display of loading
Inventor: REIM PAUL
IPC: A47G29/122
Filed: 1981-09-21
Abstract: A letter-box and mail compartment with a remote display of loading by means of contact and switching elements of optical, acoustic or electronic type, by means of which loading of the letter-box or mail compartment is displayed.
Patent DE-3138846-A1 (DE)
Title: Communication system for road users with helmets
Inventor: ANDRETZKY WALDEMAR DIPL ING
IPC: H03G3/34
Filed: 1981-09-30
Abstract: In this communication system, which contains a battery-fed control device to which the microphones and receivers, in each case accommodated in the protective helmets of the travelling persons and which provide for a voice connection between the travelling persons, can be connected, the influence of the travelling noise on the intelligibility of speech is to be effectively eliminated with a minimum of expenditure and, in addition, it should be possible to use the communication system for additional, mutually independent supplementary functions. This is made possible by the fact that a separate microphone for continuously picking up the travelling noise is allocated to the control device. This microphone is followed by a circuit arrangement for converting the travelling noise into a direct voltage proportional to this noise, which is used as control voltage for continuously adapting the operating threshold of a threshold switch connected to the helmet microphones to the travelling noise level in such a manner that the threshold switch distinguishes between this noise level and the useful signals and only switches through the useful signals supplied via the helmet microphones to the output amplifier via an electronic switch, and that the direct voltage proportional to the travelling noise is at the same time used as control voltage for the noise-dependent volume control of supplementary devices which can be optionally connected to the control device, in such a manner that it continuously controls the gain of an amplifier following the supplementary devices and preceding the output amplifier for the receivers.
Patent DE-3141000-A1 (DE)
Title: Semiconductor device
Inventor: HARADA HIROSHI
IPC: H01L23/556
Filed: 1981-10-15
Abstract: An organic resin film only about 10 to 20  mu m thick is spread over the surface of an integrated semiconductor component to reduce the energy of incident  alpha -particles. <IMAGE>
Patent DE-3142803-A1 (DE)
Title: Entertainment device
Inventor: SCHWARZKOPF ANTON
IPC: A63G5/00
Filed: 1981-10-28
Abstract: The invention is concerned with an entertainment device in which the passengers are to be offered the opportunity for activity while a vehicle arrangement (2) guided about a centre (4, 5) is in motion. A downward-inclined surface (6) is provided between the raised centre (4, 5) and the continuous track (1), e.g. rails (8). The vehicles (2) are equipped with a directional shooting mechanism (12) which is intended to be able to strike a ball (11) into a goal (5) or other target. The balls (11) rolling along the downward-inclined surface impact upon a peripheral belt (7) in which are provided in places passage apertures with an adjacent shaft of the vehicle (2). The ball, entrained by shaft walls, is raised along stationary ball guide hoops and automatically guided into a store arranged in front of the shooting mechanism (12). <IMAGE>
Patent DE-3151272-A1 (DE)
Title: Sailboard with a slip-in centreboard
Inventor: TECHEL WOLFGANG
IPC: B63B35/79
Filed: 1981-12-24
Abstract: A slip-in centreboard (7) has a head (8) widened relative to the body (6) and in the configuration of a flat rhombic prism. The slip-in centreboard (7) is inserted into a centreboard pocket (10), starting from the centreboard case (2), of the board body (1), a closing extension (12) of the centreboard head (8) closing the through-opening (5) at the underside of the centreboard case (2) completely and in a flush manner so that a smooth, uninterrupted underside of the board is formed. <IMAGE>
Patent DE-3201374-A1 (DE)
Title: Automatic single-handed pistol
Inventor: BUERKE JOSEF DR
IPC: F41A3/72
Filed: 1982-01-19
Abstract: There are not yet any single-handed pistols having undivided carriages, in which operation of the trigger causes the loading of the round to be completed and the round to be fired with an optimum operating movement (= carriage return movement). The object is a trigger device, single operation of which results in complete loading with an optimum operating movement (= carriage return movement), subsequently fires the round and prevents said round being fired before the breech is closed. The solution is a trigger device which is pushed forwards in a guide of the handle by means of the firing finger, subsequently hooked to the carriage and pulls said carriage back during its return guidance, when the trigger is operated, until it fires in its rearmost position from the trigger and is pulled forwards again by its running-out spring. When the carriage is returned, a locking piece (4) which is controlled by it via a slide (3) ensures that the trigger cannot be pressed back to the rear again in order to fire the round until the breech is closed. Application: pocket pistols for self defence which are always ready for firing. <IMAGE>
Patent DE-3201489-A1 (DE)
Title: Tangential rolling head
Inventor: ELZSCHIG RUDOLF
IPC: B21H3/04
Filed: 1982-01-20
Abstract: A description is given of a tangential rolling head with two thread rolls (3, 4), mounted in fork-shaped rolling-head arms (1, 2), for the cold rolling of threads on workpieces (9), the two rolling-head arms (1, 2) being of integral construction with the rolling-head holder (13) and forming U-shaped limbs which are separated from one another by an interspace (7, 8). The width of the interspace (7, 8) and hence of the gap between the two rolling-head arms (1, 2) can be adjusted in the region of the elastic deformation of the limbs by means of a screw (5) which connects the two rolling-head arms (1, 2) to one another. <IMAGE>
Patent DE-3203374-A1 (DE)
Title: Seating ring for valve shafts of throttle valves and the like
Inventor: NAEGEL HEINZ M
IPC: F16K1/226
Filed: 1982-02-02
Abstract: The seating ring (1) for a valve shaft (7) of throttle valves and the like consists of flexible material (elastomer) and is surrounded by a supporting ring of hard material, the seating ring having bores (5, 6) for leading through the valve shaft bearing the valve disc. The supporting ring (2) is split. Each piece (3, 4) of the supporting ring (2) is anchored to the seating ring (1) close to the bore (5, 6) for the valve shaft (7). The supporting ring pieces (3, 4) end at a distance from each other. Between the opposite ends (3b, 4b) of the supporting ring pieces (3, 4) there may be provided a piece of material (1c, 1d), which is expediently formed by the softer material of the seating ring (1). <IMAGE>
Patent DE-3204064-A1 (DE)
Title: Leaf spring suspension, especially for lorries
Inventor: HOEHLE MANFRED ING GRAD
IPC: B60G11/04
Filed: 1982-02-06
Abstract: In the case of a leaf spring suspension, especially for lorries, essentially comprising main spring (6) and auxiliary spring (5), the auxiliary spring (5) is suspended on the vehicle frame separately from the main spring (6) in order to prevent additional stresses and to improve the ride behaviour. <IMAGE>
Patent DE-3208075-A1 (DE)
Title: Christmas tree attachment device
Inventor: SCHULZE FRITZ
IPC: A47G33/12
Filed: 1982-03-03
Abstract: Published without abstract
Patent DE-3208223-A1 (DE)
Title: Method for heating the baking space of a baking oven and baking oven for implementing this method
Inventor: FRIEDRICH KURT
IPC: A21B3/04
Filed: 1982-03-06
Abstract: A method for heating the baking space of a baking oven, in particular Stikken oven, by means of a circulated gaseous heating medium which is guided into the baking space in the form of jets which are directed to a greater or lesser extent, is, for the purpose of rendering uniform the heat effect on the product to be baked, characterised in that the jet direction and/or shape is constantly changed. This can take place with a baking oven, in which the opening, through which the heating medium is introduced into the baking space, has a constantly changing direction and/or shape. Most simply, this can be achieved by means of a constantly rotating guide body which is provided at the opening.
Patent DE-3221139-A1 (DE)
Title: Alkylene(cycloalkylene)bisheterocyclyl biguanides
Inventor: OECKL SIEGFRIED DIPL CHEM DR
IPC: C07D231/10
Filed: 1982-06-04
Abstract: The present invention relates to novel alkylene(cycloalkylene)bisheterocyclyl biguanides of the formula I <IMAGE> in which A and B represent a heterocyclic radical which is linked via nitrogen, R represents optionally alkyl-substituted cycloalkylene or alkylene, it being possible for the alkylene chain to be interrupted once or more than once by cycloalkylene, bicycloalkylene or tricycloalkylene groups, each of which is optionally monosubstituted or polysubstituted by alkyl, or interrupted by oxygen atoms, sulphur atoms or the group NR<3>, R<1> and R<2> represent hydrogen, alkyl or optionally substituted aralkyl, or together with the alkylene radical and the nitrogen atoms form a heterocyclic ring, and R<3> represents hydrogen, alkyl or optionally substituted aralkyl. The compounds are obtained by reacting alkylenebisdicyanamide with heterocycles, if appropriate in the presence of a solvent. The novel alkylene(cycloalkylene)bisheterocyclyl biguanides of the formula I can be used as pesticides.
Patent DE-3223351-A1 (DE)
Title: Lock cylinder with pairs of tumblers
Inventor: WOLFFGANG GUENTER
IPC: E05B29/06
Filed: 1982-06-23
Abstract: The invention relates to a cylinder core with pin tumblers which are connected to one another by means of a web. The recesses (5) in the cylinder housing (7) which are provided for one pin (4) of a pair of pins (3) are separated from the recesses (5) for the other pin (4) of the same pair of pins (3) by an intermediate part (16) of the cylinder housing (7) which forms a portion of the cylinder-housing bore (16). The end faces (9) of the pin ends are bevelled according to the outer surface of the cylinder core, in order, in the blocking position, to come to bear on the side wall (17) of the intermediate part with the edge (10) passing through the vertex of the acute angle alpha . The pairs of pins (3) are guided in the cylinder core (11) over their entire length. <IMAGE>
Patent DE-3223868-A1 (DE)
Inventor: SCHWEINFURTER FRIEDRICH
IPC: F01D1/02
Filed: 1982-06-25
Abstract: 1. Pump with drive motor and integrated energy recovery turbine, consisting of a pump part, which transfers the rotational energy of the drive motor to a delivery flow and with a turbine part which receives hydraulic energy from the delivery flow and delivers it as rotational energy to the pump part, characterized in that the turbine part has a "backwardly" running side channel pump with impeller (27) with blade cells (32, 33) separated by blade segments (35, 36) and opposite flow channel (17, 17').
Patent DE-3228645-A1 (DE)
Title: Process and device for continuous manufacture of edge-profiled composite elements
Inventor: KOWALLIK JOSEF
IPC: B29C39/16
Filed: 1982-07-31
Abstract: In order also to be able to produce narrower composite elements, in addition to broader ones, at approximately the same production rate, in a process for continuous production of composite elements with edge profiles which complement each other to form a longitudinal joint, in which cover layers are fed and profiled, rigid foam is injected between these and the continuous composite element which is formed is laterally cut into individual lengths, first a precursor composite element (12) with two edge profiles (6) and at least one edge pre-profile (7) is formed and then during further passage after the curing of the rigid foam separation takes place into two or more composite elements (16) of smaller width, each with two complementary edge profiles (17, 18). A separation device (13) is disposed downstream of the double board belt (9). In the composite element, the front surface of at least one edge profile (18) is the separating surface of a longitudinally divided precursor composite element (12).   <IMAGE>
Patent DE-3228888-A1 (DE)
Title: Ventilation device for motor vehicles
Inventor: MUENTSCH BARTHOLOMAEUS
IPC: B60H3/06
Filed: 1982-08-03
Abstract: A fresh air feed line (22) which contains a dust filter (24), which also has a blower (26) and which contains an adsorption filter (38) and an absorption filter (28) and which is connected via a control vent (30) to an air distribution system (16) provided in the passenger compartment of the vehicle (10) is installed in a motor vehicle. The novel ventilation device is activated by actuating a switch (32). The control vent (30) then closes the conventional, filterless air feed line (12) and fresh air flows exclusively through the novel ventilation system so that only filtered air can pass into the passenger compartment. When the ambient air is free of exhaust gas the ventilation system is switched off. The control vent (30) is switched over and the passenger compartment is then connected to the filterless feed line (12). <IMAGE>
Patent DE-3237155-A1 (DE)
Title: Melting and casting crucible with bottom opening and stopper rod
Inventor: REUTER WOLFGANG ING GRAD
IPC: B22D41/16
Filed: 1982-10-07
Abstract: The invention relates to a melting and casting crucible with a bottom opening for discharging the melt and with a stopper rod, assigned to the bottom opening, for closing or opening the bottom opening. To solve the object of preventing the after-dripping of melt and a spray from the casting mould, it is proposed according to the invention that the stopper rod (10) be divided into a stopper rod upper part (29) and a stopper rod lower part (30), and that the stopper rod lower part (30) be movable by gravity with respect to the stopper rod upper part (29) and be constructed as a float with respect to the melt (3). In a particularly advantageous manner, a telescopic guide with a limited stroke is provided between stopper rod upper part (29) and stopper rod lower part (30). <IMAGE>