baber/WOPTO huggingface dataset:
Patent DE-2503291-A1 (DE)
Title: Valve for vehicle hydraulic brakes - has double acting closing piston that isolates circuit with pressure failure
Inventor: BECKER BURCKHARD
IPC: B60T11/32
Filed: 1975-01-28
Abstract: The valve is for use with a single circuit brake amster cylinder. If there is a leak in the brake system, only part of the vehicle brakes fail to operate. The valve housing (1) has an entry chamber (3) that is connected to the master cylinder (2). The chamber is connected to the output pipes (6, 7) via two channels (4, 5). The faces (9, 10) of the horizontal closing piston (8) operate in the two channels. A sudden pressure fall in one of the channels causes the piston to move across and seal that part of the circuit. The design can also be applied to servo pistons and an alternative design uses an elastic membrane to divide the entry chamber.
Patent DE-2515320-A1 (DE)
Title: Scanning electron microscope - using earthed conducting glass tube around beam to improve beam symmetry and resolution
Inventor: WELTER LEONARD MELWIN
IPC: C03C3/21
Filed: 1975-04-08
Abstract: A microscope system using charged particles with a housing surrounding a vacuum chamber contg. a source of charged particles, the housing contg. focusing - and accelerating devices for forming a beam of the particles and a deflection unit for making a raster pattern. A tube is located with physical and electrical symmetry round an axis aligned with the beam and connected to a voltage source, the tube being made of non-magnetic material and having a uniform cross-sectional conductivity plus a prescribed resistance value along its axial length. The tube is pref. connected to a voltage source at earth potential and is pref. m made of conducting glass, esp. with compsn. by wt. 70-90% of the essential constituents V2O5, MoO3, P2O5, where the essential constituents contain 27.8-50% V2O5, 38.9-64.3% MoO3, 11.3-28.6% P2O5; 20-10% Fe3O4 and/or Co3O4; and 3-20% BaO, Al2O3 and/or CaO. Used in scanning electron microscopes using a micro-probe, but also suitable for other charged particles, e.g. ions. High resolution can be obtd., due to better beam-symmetry.
Patent DE-2519506-A1 (DE)
Title: Injection moulded plastics honeycomb - has cell bases tapered from sides to centre piece for integral moulding
Inventor: SCHMIDT MATTHIAS
IPC: A01K47/04
Filed: 1975-05-02
Abstract: The cells of the plastic honeycomb (1) are high (a) up their sides, and wide (b) across. On both sides of the central wall (2) are the cell sides (3, 4) which taper away from the central wall. The base (5) of each cell, and the cells themselves, are pref hexagonal, or may be circular. The cell sides (3, 4) are roughly 1/3 to 1/2 the normal cell height and measure 3 1/2-6 mm high. The sides are built up by the bees to their full height of 12 1/2 mm. The base (5) of each cell tapers down towards the middle, so that this can be conical or semi-spherical. The inner surface of the cell sides and of the base are partly covered with fine particles of beeswax.
Patent DE-2530491-A1 (DE)
Title: Mounting for electromagnet armature - is carried centrally on end mounted laminated spring to absorb vibrations
Inventor: KUSCHEL KONRAD DIPL ING DR
IPC: H02K33/02
Filed: 1975-07-09
Abstract: The electromagnet armature (3) acts centrally on the laminated spring, now split in two (4). The previous mounting had resisted torsion, with the result that vibration was transmitted to the housing (9). By the invention the laminations are to be joined at each end only to each other (5, 7) and to a plate between the two sections. This plate is set on a mounting that allows torsion. Either a thin rod (10) or an elastic ring in the faces of the housing, or for small vibrations the direct welding of a reduced cross section to those faces. The two plates (6) can be joined to each other. A light rod (11) provides sideways stability.
Patent DE-2538271-A1 (DE)
Title: Cushion cover or section for powered vehicle seats - has upper ribbed layer, intermediate filling and lower layer which are welded together
Inventor: ZEMPEL KONRAD
IPC: A47C7/18
Filed: 1975-08-28
Abstract: The cushion cover or section for use in powered vehicle seats has a top or visible layer and an under layer between which an elastic type filler is situated. The upper layer (2) produces cushion ribs (1) which stand clear of the remainder of the seat. The under layer (3) is of rigid type, and this (3), the top layer (2) and the filling (4, 6) are welded together so that the under layer (3) remains almost completely flat whilst the upper layer (3) forms the ribbed pattern required.
Patent DE-2544822-A1 (DE)
Title: Sensor for contactless scanning of moving surfaces - suppresses DC signal in output signal and has rectangular scanning surface
Inventor: MESCH FRANZ PROF DR ING
IPC: G01B7/34
Filed: 1975-10-03
Abstract: Two sensors (M1, M2) with output signals (s1, s2) are provided. They have rectangular scanning surfaces of different widths, lying in one plane, with their short sides parallel to the direction of movement of the surface to be scanned, or the sensors. The first output signal (s1) is multiplied by a first factor (k1), and the second signal (s2) by a second factor (k2), and their difference (u = k1s1-K2s2) serves as the output signal of the pair of sensors. The widths (b1, b2) of the sensors and the above factor (k1, k2) satisfy the relation k1b1 = k2b2. These parameters and spacing between sensors are adjusted in a suitable way to special surface structures.
Patent DE-2548670-A1 (DE)
Title: Irrigation pipe with internal dripper units - having external helical grooves leading to pipe outlets
Inventor: ECKSTEIN GERSHON
IPC: B29C48/13
Filed: 1975-10-30
Abstract: The extruded irrigation pipe (1) serves as a sleeve of a dripper unit have a cylindrical part (2) and being provided with a peripheral helicoidal groove (3). An inlet (4) made in the cylindrical part (2) leads from the interior of pipe (1) into groove (3) while an outlet (5) from the groove is provided in the pipe. The pipe is stretched over the cylinder (2). However, the internal diameter of pipe (1) and cylinder are equal, so that free flow of that part of the water which does not enter grooves (3) is permitted through part (2). The pipe may be produced in an extruder having a head of the type used to produce covered cables or sheathed wires.
Patent DE-2550299-A1 (DE)
Title: Digital electronic wrist watch - with display field positioned across front edge of watch case and possibly including solar cell
Inventor: NEUMANN WERNER
IPC: G04G9/08
Filed: 1975-11-08
Abstract: The electronic watch employs a fluidic crystal or light emitting diode digital display. The display field is positioned across the front edge of the watch case, approximately perpendicular to the plane of the watch strap or watch band, so that the display can be viewed without rotation of the wearer's wrist. The top surface of the watch case may be decorated with a monogram or design, if may form a miniature photograph frame, or it may comprise the photo-sensitive surface of a solar cell used to power the watch.
Patent DE-2550431-A1 (DE)
Title: Coloured anodic coating on aluminium - produced by voltage impulses in sulphuric acid electrolytes in range 25-45 volts
Inventor: TAKAHASHI TOSHIRO
IPC: C25D11/14
Filed: 1975-11-10
Abstract: Coloured coatings are produced on Al or Al alloys by anodic oxidn. in an H2SO4 electrolyte in which voltage pulses of 25-45 V are applied for durations of 5-70msec. The proportion of impulse frequency to duration ('n') is pref. 2-7 and the current density is 2-8A/dm2 and the specific resistance of the bath is controlled by addns. The process allows the prodn. of coatings of good colour that are obtd. by high voltages to be obtd. with H2SO4 electrolytes.
Patent DE-2550832-A1 (DE)
Title: Modified polyurethane foams - made in presence of aq. polyurethane dispersion or solns.
Inventor: REISCHL ARTUR DR
IPC: C08J9/02
Filed: 1975-11-12
Abstract: Prodn. of polyurethane foams by reaction of (1) polyisocyanates and (2) polyhydroxy cpds. in presence of (3) 0.5-12 wt. % based on the reaction mixt. of an aq. polyurethane dispersion or aq. soln. of an ionic polyurethane, with 20-70 wt. % solids content, together with (4) other usual additives, e.g. catalysts, organic blowing agents, fillers, etc. Instead of (2), a 5-50 wt. % stable, fine-particle dispersion of a polyisocyanate polyaddn. product in a polyhydroxy cpd. may be used. Mechanical properties of the foams, esp. hardness, tensile strength and elasticity are improved by suitable choice of (3), prods. with particle size of dispersed material of 0.01-5 (0.1-1) mum, giving optimum properties can be made. A very wide range of compsns. and properties can be made, from usual ingredients in standard recipes. Use of emulsifiers can be avoided, since (3) acts as an internal dispersant. Hydrophilic foams can also be made.
Patent DE-2558426-A1 (DE)
Title: Anchoring for building facade panels - uses tubular anchors with rectangular end plate in joints between panels
IPC: E04F13/08
Filed: 1975-12-23
Abstract: The anchoring is for a facade, consisting of rectangular panels, with horizontal and vertical joints. The panels have recesses at their edges for the anchor heads, which are load carrying and determine the distance to the wall. The anchors are located in the crossing points of the joints (35,36), and have a tubular shank with a rectangular end plate (20) at right angles to its axis. The edges of the plate extend parallel to the joints, the corners projecting over the shank, and they are fitted into slots of the four neighbouring panel corners (31-34). The upper panel corners are supported on the upper plate edge. The corner of one panel is fastened immovably to the end plate, while the other corners engage on it with free play.
Patent DE-2608224-A1 (DE)
Title: Drive unit, esp for wire reeler feeding spring making machines - in which direct current motor is continuously adjusted by tension of wire
Inventor: SCHLAICH WALTER
IPC: B65H49/34
Filed: 1976-02-28
Abstract: Drive unit, esp. for reels of wire on wire processing machines, where the drive shaft, esp. the reel shafT, is driven by a direct current (d.c.) motor. The voltage employed to operate the motor, and therefore its r.p. m. is continuously adjusted according to the tension created in the wire being drawn off the reel. Pref. the wire travels through an eye on the end of a lever which is spring-loaded and mounted on a pivot. A change in the tension on the wire alters an air gap and thus changes the induction in a sensor feeding a signal voltage to an amplifier followed by a thyristor trigger using bridge rectifiers to alter the voltage feed to the rotor and field windings of the d.c. motor. Device allows accurate feeding of the wire to the spring mfg. machines for accurately dimensioned prods.
Patent DE-2616320-A1 (DE)
Title: Safety cushion for rear seat sleeping passenger - has inflatable shapes to fit in foot well and extend rear seat area
Inventor: PEIFER GEB HERBST MARIA
IPC: B60N2/42
Filed: 1976-04-14
Abstract: The foot well between the front and rear car seats is filled with a number of inflatable shapes (6) which form a continuous surface with the rear seat squabs. This provides a safety sleeping surface in the rear of the car, with no danger of injury through the occupants falling onto the floor in a collision or during heavy braking. When not used the shapes are deflated and stored in a compact space. They can be attached to the fronts of the rear seats to retract under the seats when deflated. Each side of the vehicle can have separate cushions.
Patent DE-2621029-A1 (DE)
Title: Particulate matter and insect trapping net for car front - is narrow mesh nylon gauze stretched over bumpers and front part
Inventor: DUSCHA LOTAR
IPC: B60K11/04
Filed: 1976-05-12
Abstract: A net with a narrow mesh nylon gauze stretched over the vehicle front and bumpers is described. The net is held stretched over the front by means of rubber bands and hooks, and nets can be stretched over lamps and direction indicators. A 2 cm PVC strip can be used on both sides to act as reinforcement. The net is effective in preventing radiator blocking.
Patent DE-2627014-A1 (DE)
Title: Universal roller permitting motion in any direction - has axle carrying main rotating body with smaller rollers arranged about its circumference
Inventor: WIENKER ULRICH-WILHELM DIPL IN
IPC: B65G39/02
Filed: 1976-06-16
Abstract: The universal roller permits motion to be effected in any direction and comprises a main rotatable body mounted on an axle shaft. Several smaller rollers are arranged about the circumference of the main body with their axle pins lying tangentially to an imaginary cylinder. The axle pins are attached at one end or centrally on the roller body and have the smaller rollers rotatable on their freely projecting ends. The smaller rollers take the form of a cone or similar rotation body with convex surface. The complete wheel can move freely in any direction even on uneven surfaces.
Patent DE-2629791-A1 (DE)
Title: Pneumatically operated blind riveting hand tool - has piston acting on chuck for rivet shaft via lever system
Inventor: SCHWAB MANFRED
IPC: B21J15/06
Filed: 1976-07-02
Abstract: The hand tool consists of a housing in which a chuck for the rivet shaft and a cylinder with piston are mounted parallel to one another. The chuck for the rivet shaft is spring loaded in the down position. The piston and air supply connection are mounted at the bottom of the handle of the tool. A trigger in the handle acts via a rod and a cam on valve rod which acts on the valve. The valve operating rod passes centrally through the piston. The piston, when operated by the valve acts on a double armed lever, the other end of which acts on the chuck for the rivet shaft.
Patent DE-2633797-A1 (DE)
Title: Civil engineering load handling machine - has winch driving ropes suspending load and attached to rear to thrust it forward
Inventor: FORSTNER EGON
IPC: E01D15/22
Filed: 1976-07-28
Abstract: The machine lifts, slide and sets down loads and constructional components, being partic. for laying bridges and girders in position in front of it. It has one or more ropes or chains (2) driven by a winch n1), and reeved over one or more guide pulleys (3) to a suspension point on the load (4). The other end is attached to the point (6) at the rear end of the load, so as to thrust it forward. There can be two or more winch units with guide pulleys, mounted on a frame (7) on opposite sides of the load, each unit having one section for the thrusting rope and the other for the suspension rope.
Patent DE-2640622-A1 (DE)
Title: Transient operation of converter fed async. motor - operates during supply system interruptions by sudden inverter frequency reduction
Inventor: ISHIBASHI HIDEO DIPL ING
IPC: H02P3/18
Filed: 1976-09-09
Abstract: The asynchronous motor (M), typically part of a variable speed drive, is supplied with power from the mains (N)via a rectifier/inverter unit with an intermediate d.c. link. During transient supply interruptions the motor changes to generator operation provided that sufficient load is available in the d.c. link. To ensure a rapid change to the generating mode the frequency of the inverter stage (INV) is reduced by a predetermined and sufficiently large step as soon as the supply (N) suffers an interruption. Considerable power is thereby generated giving rise to adequate current in the d.c. link to ensure continued commutation. The size of the loading capacitor (C) in the link can thus be kept small. Following the transient the unit can readily revert to normal operation, and the motor brought back to set speed.
Patent DE-2644387-A1 (DE)
Title: Cup-shaped barrel plug - is one-piece deep drawn sheet metal stamping with thread pressed from inside
Inventor: RAUSCH ULRICH
IPC: B65D39/08
Filed: 1976-10-01
Abstract: The cup shaped barrel plug is of metal, with a cylindrical boss having an external thread, and an annular flage at the free end parallel to the bottom. An annular recess is formed between the end of the thread and the rear side of the flange, to accommodate a sealing ring, and inside there are protrusions with which a turning tool engages. The plug is a one-piece deep-drawn sheet metal stamping, with thread (4) formed by pressure from inside to outside. The protrusions (6) are formed in the boss portion (3) radially from outside to inside, and are wedge-shaped, the points of the wedges being diametrally opposite each other. Their height is the same as the length of the threaded portion.
Patent DE-2716448-A1 (DE)
Title: Power operated portable chain hand saw safety mechanism - has locking lever attachment retaining safety shackle stop, turned by springs
Inventor: HIRSCHKOFF SIDNEY
IPC: B27B17/08
Filed: 1977-04-14
Abstract: The portable hand saw has a power-driven saw chain on an arm projecting from the housing, and a safety shackle and brake. There is a stop unit (48) on the safety shackle (34), displaceable in one direction between braking and operative positions (36). A locking lever, extending in this direction, has an attachment (56a) for halting the stop in the operative shackle position. The shackle is engaged by springs (54), to turn the lever resiliently into a position where the attachment holds the stop, and to move the shackle resiliently from its operative to its braking position. While permitting comfortable and reliable operation, this ensures prompt braking of the chain in the event of unforeseen saw movement.
Patent DE-2719177-A1 (DE)
Title: Layer applicator for building blocks - has tapering box with discharge outlet above smoother and spiked roller manually turned by crank
Inventor: BEST FRANZ WALTER
IPC: E04G21/20
Filed: 1977-04-29
Abstract: A downward tapering container box (1) has an elongated discharge aperture wide enough to cover the blocks. This is made up from a front and a rear edge plate (7, 8), the rear one being adjoined by a rear smoothing plate (4), while the front one protrudes above the rear one by the height of the desired mortar layer. Near the aperture there is a toothed roller (3), with spikes protruding above the front plate. At two or more intervals in front of the front plate there are also protruding running rollers (5). To one side of the aperture there is a downward protruding closure plate (6), with length matching the height of the building blocks.
Patent DE-2720569-A1 (DE)
Title: Heat recovery room air ventilator - has concentric tubes enclosed with radial sector channels with connections
IPC: F24F12/00
Filed: 1977-05-07
Abstract: The ventilating system for rooms or for industrial process plants has a waste heat recovery and utilisation system. The arrangement has a group of thin radial plates whose edges are connected to the channel walls and form channels. The ends of these channels are connected in alternating pattern with inlet and outlet openings and air flows in counterflow in this system. The heat exchanger plates (3) have longitudinal edges connected to two concentric cylindrical or conical outlet pipes (1, 2) forming a group of sector shaped cross section channels (4), distributed around the inner tube (1). The inlet and outlet openings are divided by concentric rings (5, 6) so that groups of channels are connected to the annular outlet channels (7, 8). Inner annular channels (7) accommodate the blower or pipe connections (11, 12).
Patent DE-2723499-A1 (DE)
Title: Forming windows with rounded edges on semiconductor devices - esp. contact windows for the source and drain of FET's
Inventor: CONZE PETER
IPC: H01L21/3105
Filed: 1977-05-25
Abstract: A window is made in an insulating layer which consists of at least two layers (a,b) on a semiconductor substrate. The upper layer (b) has a faster etching rate than layer (a) in a specific etchant; and layer (b) can be made to flow by heating. The window is first etched only in layer (b), followed by heating which melts and thus flattens the edges of the window, and then layer (a) in the bottom of the window is removed by further etching. The heating cycle pref. converts layer (a) into the material used for layer (b). Layer (a) is pref. SiO2, and layer (b) a phosphor-glass P2O5-SiO2 (PG). By heating in an atmos. contg. phosphorus, layer (a) is converted to PG while layer (b) melts. Layer (a) is pref. 200-2000 angstroms thick, and the PG (b) 0.5-2 mu m thick. Heating is pref. at 900-1100 degrees C. The rounded edges of the windows prevents the tearing off of conductor patterns.
Patent DE-2726064-A1 (DE)
Inventor: HELDEN ROBERT VAN
IPC: C07C27/00
Filed: 1977-06-08
Abstract: The compounds of the general formula I where R<4> is alkanoyl or haloalkanoyl and the other symbols are as defined in Claim 1 are prepared by reacting a compound of the general formula II where Hal is a halogen atom with an alkanecarboxylic acid or with a haloalkanecarboxylic acid, respectively. The corresponding compounds of the general formula I where R<4> is a hydrogen atom are obtained by subsequent alkaline hydrolysis. The process is particularly suitable for preparing dimethylbenzylcarbinol and its esters. <IMAGE>
Patent DE-2731723-A1 (DE)
Title: Adhesion promoters for bonding shoe soles to uppers - by exhaustive halogenation of styrene!-butadiene!-styrene! copolymers in soln.
Inventor: SEYFFER HERMANN
IPC: C09J153/02
Filed: 1977-07-13
Abstract: Adhesion promoters for bonding thermoplastic shoe soles to the shoe uppers, either by bonding the separate parts or by direct injection moulding, are claimed. The adhesion agent contains a styrene-butadiene-styrene copolymer which has been treated to saturation with a halogen in soln. The copolymers are used to replace prior halogenating agents used to treat styrene-butadiene-styrene shoe soles prior to bonding, to give a polar surface with improved adhesion to the bonding agent. Unlike prior art agents, the present materials do not release free halogen during treatment of the soles, so that pollution and danger to the health of operatives is avoided and the need for expensive protective clothing for workers is obviated.
Patent DE-2739511-A1 (DE)
Title: Blower operated burner for heating system boiler - has blower rotor between door and protection plate forming diffuser
Inventor: SCHMITZ GEORG
IPC: F23D11/00
Filed: 1977-09-02
Abstract: The heating system boiler has a blower operated burner for liq. or gaseous fuels. The burner is clamped on the door plate and combustion air enters between the door and inner protection plate. The free space between the door panel (2) and protection plate (3) is a spiral diffuser housing (1) which also accommodate the blower rotor (12). The air inlet to the blower is regulated at the inlet opening (6) by a regulator (7). The door and blower are externally covered by a noise insulating hood on the boiler outside wall.
Patent DE-2747077-A1 (DE)
Title: Protective network for water supply to atomic power plants - consists of meshes of endless wire cable with electric wires for alarm circuits
Inventor: DIETZ ALFRED
IPC: E02B5/08
Filed: 1977-10-20
Abstract: The protective network is for the water feed of power plants, esp. atomic power plants. It has a steel frame which can move up and down in lateral guides. The protective network consists of engaging meshes of an endless wire cable. The meshes are fixed by metal sleeves. The cable has a plastic sheathing and contains electric cable in its inside. On breakage, these cables/wires operate an dam device. The metal sleeves have a figure 8 shaped cross-section.
Patent DE-2752648-A1 (DE)
Title: Circular cutter attached to cross slide - produces tapered lead=in edge on moving strip material
Inventor: SCHMITZ ROLF
IPC: B26D1/18
Filed: 1977-11-25
Abstract: The leading end of strip material (1) which moves on a conveyor (2, 3) is provided with a tapered edge. This allows trouble free insertion of the strip end into the next machine of the manufacturing sequence. A circular cutter (6) with its own drive motor (5) is located on a support frame which can be moved across the strip transport direction. The cutter is at an angle to the strip axis which is equal to the required lead-in taper. The lateral velocity (Va) of the cutter frame is equal to the product of strip transport velocity (Vb) and the tangent of angle (a).