baber/WOPTO huggingface dataset:
Patent DE-2922793-A1 (DE)
Title: Pressure regulation and flow control valve - has combination needle and check valves and is used in pneumatic actuator system
Inventor: FAGERLIE RICHARD ALLEN
IPC: F15B13/02
Filed: 1979-06-05
Abstract: A combination pressure regulating and flow control valve includes a valve body and cover having an upstream port and a downstream port, and a fluid flow passage interconnecting the ports. An adjustable pressure regulator valve i operatively mounted in the fluid flow passage. A check valve is operatively mounted in parallel with the adjustable pressure regulator valve, and it checks the flow of fluid through the fluid flow passage when fluid is flowing through the fluid flow passage from the upstream port to the downstream port, and force it through the regulator valve. It alows flow of fluid through the check valve when fluid is exhausted into the downstream port and out of the upstream pressure port.
Patent DE-2929375-A1 (DE)
Title: Clinical photometer with two photoelectric transducers - has read-out scale slidable w.r.t. gray wedge positioned between light source and probe
Inventor: RETZER ERICH
IPC: G01N21/25
Filed: 1979-07-20
Abstract: The photometer is for various medical measurements but esp. for blood and urine values. The zero value does not need to be marked and no difference value has to be calculated to determine the specimen concn. A first photo-electric tranducer (32) is positioned in the light path of a measuring beam originating from a light source (16). A probe is insertable between the latter (16) and the transducer (32). An adjustable neutral gray wedge is installed between the light source and the probe. A read-out scale is associated with the gray wedge. A second photo-electric tranducer (34) is exposed to a comparison beam also originating from the source (16). Circuitry is provided for processing the outputs of both transducers.
Patent DE-2930385-A1 (DE)
Title: Insulated roof covering securing elements - have weather protective skin fixed to load bearing substructure on them
Inventor: HELFRECHT MANFRED
IPC: E04D12/00
Filed: 1979-07-26
Abstract: The roof covering for a building has securing elements, extending from ridge to eaves. They are form-locked to the heat and/or sound insulating layer below, and have the roof skin fastened to them above. Here the roof-securing elements (15) have a load bearing substructure (18) fastened on them, bearing the weather-protective layer (17). It pref. consists of a sheathing with the water water-conducting skin fixed on it, directly or indirectly. Securing elements pref. extend over at least the rafter interval. The range of applicable roof coverings is extended.
Patent DE-2931024-A1 (DE)
Title: Control system for fuel fired heat source - varies blower motor driven air pump discharge pressure which controls fuel and air flow
Inventor: ALTENHOEVEL HEINRICH ING GRAD
IPC: F23N1/02
Filed: 1979-07-31
Abstract: The control system is intended for a burner supplied via a fuel valve. The heat source uses a blower in an air supply and flue gas discharge system, connecting a heat exchanger to atmosphere. The constant speed motor (17), driving the blower (16) also drives an air pump (24) whose discharge (23) connects to the fuel valve (29). A peristaltic throttle valve (19) is in series with the blower. A tube (20) from the throttle throat leads to a pressure meter feeding the system controller (37). This operates magnetically an impact plate device (35) for varying the air pump discharge line pressure. The throttle valve is in pneumatic connection with the air pump discharge branch.
Patent DE-2934156-A1 (DE)
Inventor: ELSTNER HANS
IPC: A61D1/02
Filed: 1979-08-23
Abstract: A medical kit for the protective storage of teat swabs includes a container inclusive of a container body provided with a lid and holding the teat swabs and a salve. An insert extending toward the container floor is located in the container body and is provided with holders for storing the teat swabs. At least one hollow space is located below the insert in the bottom area of the container and adapted to hold the salve, into which the lower tip of the teat swab may be dipped.
Patent DE-2938574-A1 (DE)
Title: Total building heat insulation - involves vertical air layers in facade cladding, operating on double glazing principle
Inventor: KRAUTER WALTER
IPC: E04F13/00
Filed: 1979-09-24
Abstract: In a building, complete heating protection is provided by an external wall cladding with two vertical layers of air serving as a heat insulator - as effected normally in double glazing, but here extended to whole walls. Suitable material is corrugated board, weatherproofed and impregnated to repel insects, cemented in two layers in a cruciform pattern. The base panel has larger perforations, while the cover panel has fine perforations, and has a punctiform-fixed wire or plastics mesh to carry rendering, if required. Alternatively weatherproof plastics foil can be cemented on. Perforation and corrugation provide ventilation.
Patent DE-2939288-A1 (DE)
Title: Snap-action fluid tap - has cam support face formed by rib inside cylindrical spring cap
Inventor: PAGANI ANGELA
IPC: F16K31/56
Filed: 1979-09-28
Abstract: The snap-action tap for fluids has a stem securing the plug and which is lifted and lowered by turning an external handwheel. A cam on a selector rod is coaxial with the stem and a coil spring round the latter. The support face for the cam is formed by a rib (34) on the inside of the top of a spring cap (30) of cylindrical shape. The selector rod is clamped into the handwheel body. The cap can be a cylindrical sleeve, with a closing surface (33) at one end containing a bore (36) through whitch the rod passes, this bore interrupting the rib. There are two bosses (35) on the outside of this surface, engaging with mating ribs on the handwheel, to limit the angle through which the latter can turn.
Patent DE-2942664-A1 (DE)
Title: Prodn. of optical beam slitter for optical fibres - using composite holder whose intermediate part plate thickness corresponds to optical fibre dia., while lateral parts have preset curvature
Inventor: GRUCKMANN DIETMAR
IPC: G02B6/28
Filed: 1979-10-23
Abstract: The beam splitter is intended partic. for fibres of small core diameter. The production starts with forming a holder of two side members and a plate-shaped intermediate part, the latter being so designed that its thickness corresponds to the diameter of optical fibres. The narrow lateral surface has a preset arcuation, at least in the beam splitting region. The side members and the plate form a rectangular groove in the beam splitting region, whose depth equals the diameter of optical fibres. Then an optical fibre is inserted into the holder and so treated in the beam splitting region that the outer surface is tripped in a defined manner down to the core. Finally, the machine optical fibre is optically coupled with similarly machined optical fibres, or their parts. The coupling may be carried out after separating the clamped optical fibre into several parts.
Patent DE-2946431-A1 (DE)
Title: Photometric heavy water concn. determn. - using infrared diodes as light sources
Inventor: WENZEL MARTIN PROF DR
IPC: G01N21/25
Filed: 1979-11-15
Abstract: The near infrared wavelength range of 0.9 to 2.2 nm is specially suitable for the photometric determination of the heavy and light water concentration in solvents. This wavelength range can be obtained if infrared diodes or laser diodes are used as the light sources. The heavy water content is urine or serum, for example, can be measured by using an infrared laser diode with a wavelength of 1.3 nm. This simplifies the photometric apparatus considerably, as all monochromatic light sources are saved and the equipment includes merely an infrared diode or laser, a dish and a photoreceiver.
Patent DE-3004510-A1 (DE)
Title: Set of construction elements - form model railway lines and is made from thermoplastic material and has press-button fittings to connect rails to sleepers
Inventor: MAYR AUGUST
IPC: A63H33/08
Filed: 1980-02-07
Abstract: The construction elements for a model or toy are made from level plates of hard elastic thermoplastic material in a regular geometric shape with connecting elements located at the edges symmetrical to the centre of the edge which can make a holding connection with corresponding elements on an edge of an adjoining construction element. The length of the plate edges have a unit length or are in whole multiples of that unit length with the edges all shaped equal to each other. The connecting elements are formed as ball press button elements. There are stencil shaped cut outs permitting the insertion of the ball shaped press buttons with plate elements representing rail sleepers with press button bowls positioned in their inner areas which can be connected to elongated elements representing rails fitted at their lower edge with projecting press button balls at equal distances from each other.
Patent DE-3004586-A1 (DE)
Title: Heat-pump system absorber - has cooler bodies one above other and through which weak solution cascades
Inventor: SCHRADER KARL-HEINZ DIPL ING
IPC: F25B37/00
Filed: 1980-02-08
Abstract: The absorber is particularly for an absorption heat pump system, having an inlet at the top for a weak solution, and one at the bottom for a medium to be absorbed by the solution, together with an outlet for the enriched solution. Cooler bodies, served by a coolent, are mounted between the inlets, the coolant flowing in the opposite direction to the solution. The bodies are mounted at two or more levels one above the other, and through which the solution cascades. A first passage for the medium to be absorbed is provided between the levels, via which it flows through them in succession, together with a second passage alongside the levels, and by which it flows directly into each of them. Coolant flow takes place through the bottom of each level.
Patent DE-3004920-A1 (DE)
Title: Ejector for injection moulding or pressure die casting dies - where ejector plate is driven by work cylinder via connecting rod
Inventor: HEITKAEMPER THEO
IPC: B29C45/17
Filed: 1980-02-09
Abstract: The ejector consists of a plate carrying several ejector rods which drive castings or mouldings out of a die. The piston rod of a work cylinder is used to drive plate via a connecting rod, when the die is open. Rod pref. consists of a single bolt joined to an adjusting screw via a coupling. Coupling pref. consists of two half rings joined together by a bolt and nut to clamp the adjacent ends of bolt and screw. The elector rods are always completely retracted before the die is re-closed.
Patent DE-3006022-A1 (DE)
Title: Defluorinating solns., esp. nuclear fuel prodn. waste - by pptn. with calcium sulphate after acidifying with sulphuric acid
Inventor: BRANDBERG SVEN DR TECHN
IPC: C02F1/52
Filed: 1980-02-18
Abstract: In defluorination, by fluoride pptn. with a Ca cpd. from a dissolved fluoride- and dissolved U salt-contg. soln., pptn. takes place at pH 2.3-4.5 (3-4), obtd. by H2SO4 addn. with CaSO4 or another Ca cpd. yielding SO4" ions in soln. When treating waste solns. (A), the major fluoride proportion is preliminarily removed from the water soln. before pptn. in acid soln., by reaction with (a) an alkaline earth carbonate in alkaline soln. or (b) an alkaline earth oxide or hydroxide. After fluoride pptn. in H2SO4 soln., the soln. is pref. passed through an anion exchanger which absorbs U from the soln. before discharging the soln. U can be recovered from the ion exchanger and re-used. The process is used esp. for treating solns. contg. 50 mg/l to 20 g/l F, as fluoride, and 1000 (100) mg/l U, as U salts, partic, waste solns. (A) from nuclear fuel prodn. plant, for atomic reactors, from UF6 in the presence of NH3. F is pptd. as CaF2 without U co-pptn. and ppte. contamination.
Patent DE-3007281-A1 (DE)
Title: Welded conveyor auger on shaft - has auger spiral consisting of helically wound sheet metal strips axially stretched around shaft prior to final welding
Inventor: STOLLBRINK HANS
IPC: B23K9/032
Filed: 1980-02-27
Abstract: The conveyor auger comprises a central shaft (13) and a fabricated helix (10) secured to it. The helix consists of individual sheet metal strips, which are welded together and then stretched in axial direction, preferably over the shaft, and welded to the same. The surface of the helix is preferably free from deformation marks and its hardness and thickness are typically uniform. The helix may be welded to the shaft via seams which are symmetrically arranged around the shaft and may be shorter than the non-welded portions of the joint.
Patent DE-3011878-A1 (DE)
Title: Protective ceramic coatings applied by plasma spraying - where titanium nitride, zirconium boride or chromic oxide is sprayed onto ceramic substrates
Inventor: MAJDIC ALEKSANDER PROF DR ING
IPC: C04B41/50
Filed: 1980-03-27
Abstract: The fine coatings consist of TiN, ZrB2, or Cr2O3, applied to high grade ceramic parts, pref. parts contg. ca. 90% alumina. The parts are used esp. in the metallurgical industry in applications involving high thermo-mechanical stress, and erosion and corrosion at high temps., e.g. nozzles used in continuous casting, or stopper parts. The parts are pref. heated before being coated, and the coated parts are cooled slowly so no cracks occur. A pref. alternative is to coat the parts or substrates with a thin layer of Si, followed by nitriding to form Si3N4, and repeating this process. The Si powder used in this process pref. contains a catalyst, esp. iron. The coatings possess high resistance to molten metals and molten slags, so the parts have long working lives.
Patent DE-3012848-A1 (DE)
Title: Spring-energised manual paper stapling machine - has movable fitting with three-positions for clinching staples, blocking their ejection, or allowing ejection without clinching
Inventor: CHI HUI-NENG
IPC: B25C5/02
Filed: 1980-04-02
Abstract: The stapling machine has an actuating arm (14) secured to the body (10) to pivot about a pin (15). A driving pin (50) extends through an end portion (171) of a tongue (17) on the arm, and through arcuate slots (140) in the body. When the arm is in its original position, the driving pin is at the lower end of the arcuate slots. The driving pin contacts against a movable fitting (20) to move the fitting away from the base (60) of the body to allow insertion or removal of papers to be stapled. Once papers have been inserted into the gap between the base of the body and the base panel (24) of the movable fitting, the arm is partially depressed to allow the fitting to be raised to clamp the papers.
Patent DE-3016467-A1 (DE)
Title: Electromagnetic trip with instantaneous and delayed action - has concentric armatures with different bias springs acting on one operating rod
Inventor: SCHULZ FRANZ WILHELM
IPC: H01H71/34
Filed: 1980-04-29
Abstract: The electromagnetic release mechanism is for operation in conjunction with a bimetal trip system, for responding to overload currents. It comprises a two stage trip; time delayed at one value and instantaneous at a higher value of current. Two concentric armatures (2,3) are arranged round a common operating rod (1). The inner armature (2) is held in its quiescent position by a spring (5). At a particular coil (6) current the armature moves against the spring. If this current persists the armature eventually strikes a shoulder (11) on the rod (1) and operates the trip. The outer armature (3) always bears against another shoulder (31) on the rod. At a set high value of current the armature moves against the action of the spring (4) and immediately operates the trip.
Patent DE-3016835-A1 (DE)
Title: Mobile tyre removing rig - has pressure claws pivoted adjustably each end of telescopic guide operated by hydraulic cylinders
Inventor: BERNHOLZ NORBERT
IPC: B60C25/02
Filed: 1980-05-02
Abstract: The tyre removing rig has a U-shaped support frame (1) which is wheeled to straddle the wheel (3) and which has two angled claw arms (20), mounted one each end of a transverse telescopic guide (221). The claws are self-aligning with the tyre wall, and a hydraulic ram (22) acts on each part of the telescopic guide to prise the tyre off the wheel rim. The claw ends are adjustable for angle to provide the optimum removal force. The telescopic guide is fitted on a vertical guide (14), with height adjustment to adjust for different sizes of tyre, operated by handgrips (124) each side of the guide. The hydraulic rams are linked to the telescopic drive by plug pegs.
Patent DE-3024820-A1 (DE)
Title: Purificn. of waste radioactive gases leaving combustion plants - where hot gases are fed through ceramic filter element coated with catalytic platinum metal
Inventor: BREGULLA EDUARD ING GRAD
IPC: G21F9/02
Filed: 1980-07-01
Abstract: The gases contain dust and residual organic impurities; and are fed through filter elements which are coated with catalytically active substances, esp. 0.05-5.0 wt.% of Pt and/or Pt metals. The exhaust gases are pref. above 350 deg.C when they are fed through the filters. Method is used esp. in nuclear technology and/or in nuclear power stations in conjunction with the burning of solid, weakly radioactive waste, which is thus converted into ash. Ceramic filters are normally used, but are soon clogged by swollen tar prods. and require frequent and expensive cleaning. By using the invention, no organic cpds. are deposited on the filters so their life is greatly increased.
Patent DE-3028991-A1 (DE)
Title: Electromechanical filter using individual mechanical resonators - has metal supports projecting from opposite sides of each resonator cooperating with base and cover
Inventor: BERGMANN HORST ING GRAD
IPC: H03H9/05
Filed: 1980-07-30
Abstract: The resonators (1) are secured to a common base (2) at their node points via metal supports (10,10') of much lesser thickness. The bottom of each support (10,10') fits into a groove formed in the surface of the base (2) containing solder or a cast mass (9). The supports (10,10') project from two opposite sides of each resonator (1) and the supports (10,10') of at least two of the resonators (1) are coated with a material which exhibits a reduced mechanical oscillation characteristic and which does not bond with the solder or cast mass (9). A cover (3) fits over the supports (10') projecting in the opposite direction to those attached to the base (2) for limiting the movement of the resonators (1) in the direction of the supports (10,10'). The filter is compact and of simple construction and has a reduced sensitivity to mechanical shock.
Patent DE-3029382-A1 (DE)
Title: Conductor pattern for semiconductor device on insulating substrate - where multilayer pattern includes palladium covered by palladium oxide and then gold
Inventor: SMOLA JAN
IPC: H05K1/03
Filed: 1980-08-01
Abstract: The substrate is made esp. of alumina or glass, which is covered with a multilayer conductor pattern. The pattern consists of a first layer (a) of CrNi, which is covered by Ti (b) and then Pd(c). On top of the Pd(c) is a layer (d) of PdO, and then a layer (e) of gold. The gold layer (e) is pref. more than 1000 nm thick, esp. 2000 nm thick with a Pd layer (c) of ca. 400 nm. Alternatively, the Au (e) may be less than 500 nm thick, esp. 50-120 nm thick. The CrNi(a) pref. has a resistance of e.g. 100 ohms/square, whereas the Ti(b) is pref. 50 nm thick. Used esp. for highly integrated coding/decoding semiconductor circuits in a long-distance digital telephone exchange. The conductor patterns are used to make joints by soldering, or bonding. A layer of PdO can form on the Pd(c) before the Au is deposited, but is not detrimental to the pattern; and in many cases a very thin layer (e) of gold may be used so cost is reduced.
Patent DE-3036191-A1 (DE)
Title: Patients chair with disposable cover material - has material roll floating freely in container parallel to seat surface
Inventor: SCHNELLE EBERHARD DR ING
IPC: A61G15/00
Filed: 1980-09-25
Abstract: The patient's chair comprises a frame with a seat, a backrest, and a housing for a roll of disposable material covering one or both. The axis of the housing is parallel to the surfaces of the seat and the backrest. The housing comprises a container (26), in which the roll (36) floats freely. It can be in the form of an open trough, or tubular, with a slot parallel to its centre line. It can be of polygonal section or with a wall curved evenly about its axis and can be situated near the joint between the seat and the backrest.
Patent DE-3036620-A1 (DE)
Title: Damp-proof concrete bridge slab cover - has rib protrusions on pref. elastomer strip profile engaging side seal
IPC: E01D19/08
Filed: 1980-09-29
Abstract: The system is used for protecting concrete structural components from dampness. It is esp. applicable to concrete slabs in bridges, with a covering of moisture-insulating material in length form, and with lateral closure elements on them. On the open edges of the covering (15,16) there is a strip-shaped profile piece (23), with at least one rib-type protrusion (27), engaging the material of the adjacent lateral closure element (17), to act as moisture barrier. It can consist of a base panel with at least two rib protrusions raised on it. The protrusions can have undercut sections, and the piece may be extruded from elastomer, esp. chloroprene rubber.
Patent DE-3038816-A1 (DE)
Title: Firearm locking system on base - operates while firing torque exceeds that of aiming mechanism
Inventor: PIETZSCH LUDWIG DR ING
IPC: F41A27/12
Filed: 1980-10-14
Abstract: The system locks a firearm in position on a base, particularly a vehicle, the firearm pivoting under the action of a non-self-locking aiming drive. At the moment of firing, the firearm (3) is locked in position for at least as long as the torque (Md) exerted by the explosion is greater than that from the aiming drive. After an adjustable time lag, the firearm can be automatically released again. Locking can be positive and under the action of a mechanism (5) controlled by a detector (14) reacting to the firing impulse, there being a time delay (15) between the detector and the mechanism to release the latter automatically.
Patent DE-3107235-A1 (DE)
Title: Bent dielectric line having reduced transfer losses
Inventor: NEUMANN ERNST GEORG PROF DR
IPC: H01P1/02
Filed: 1981-02-26
Abstract: A dielectric line having a line bend (9), consisting of a first straight line section (1) and a second straight line section (2) which is connected thereto obliquely with respect to its line axis (3), forming a bend (9). In the vicinity of the intersection of the line axes (3, 4), and in each case over a specific offset path of the two line sections (1, 2), the centre of gravity of the transverse refractive index distribution over the region in which the field strength E is still approximately 1/1000 of the maximum field strength is offset in the plane of the bend from the line axes (3, 4) towards the inside of the bend (9). <IMAGE>
Patent DE-3110870-A1 (DE)
IPC: B62J7/04
Filed: 1981-03-20
Abstract: To facilitate manufacture of lightweight bicycle carriers, in particular the attachment of supporting struts (6, 7) to a frame (1) having longitudinal support rods (3) for example formed of aluminum, the longitudinal support rods have injection-molded attachment elements (12) molded thereof, made of resiliently expandable material, with an open slit (18) extending to an opening (17) therein, permitting cross elements (10, 11) of the support struts (6, 7) to be snapped therein, the projecting portions (15) then being held closed by outer clamping or holding rings (19) slipped over the projecting portion and securing the cross elements (10, 11) of the support struts in irremovable position on the holding elements.