baber/WOPTO huggingface dataset:
Patent DE-2353909-A1 (DE)
Title: Pressure reducing valve of ventilation supply air outlet - has long throttling passage to reduce pressure without noise
Inventor: RUEEGG MAX
IPC: F24F13/072
Filed: 1973-10-27
Abstract: The outlet has a chamber with side walls and internal adjustable vanes which can vary the direction of air discharge. Between this and the supply duct is a pressure reducing valve. It consists of two outer corrugated walls with a central fir tree shaped stem between them leaving two zig zag passages between the stem and the walls. A screw in a plate adjusts the axial position of the stem relative to the walls and therefore the width of the passages between them. The length of the passages is much greater than their width. The air pressure is reduced as the air passes through them but because of their length the reduction is gradual and therefore silent.
Patent DE-2354499-A1 (DE)
Title: Stone-block with clearance and channels - in which piping can be inserted without causing vibration
Inventor: EISELT PETER
IPC: E04B2/02
Filed: 1973-10-31
Abstract: A clearance in a stone-block, esp. monolithic large type is formed corresp. to the standard building elements in a grating system. By complementary shifting of two adjacent blocks, a vertical coverable dust is formed, into which horizontal covered branched ducts pass at different levels and with different heights. The device enables insertion of piping to be made without subsequent masonry work and without adverse effect on the load-bearing capacity of the walls.
Patent DE-2357809-A1 (DE)
Title: Powder feeder for rotary tabletting machine - with air vent system avoiding passing air through powder
Inventor: TALIS NIKOLAJ SEMENOWITSCH
IPC: B30B15/30
Filed: 1973-11-20
Abstract: In a feeder for a rotary tabletting machine, having a frame mounted above a rotating table in which dies are rigidly installed, and provided with partition walls forming intercommunicating reception and delivery chambers, passages are constructed in the partition walls along the pitch circle of the dies, which connect the interior of the die to atmos. while it is being filled with powder.
Patent DE-2362108-A1 (DE)
Title: Equipment for pressing labels on containers - with non uniformly driven belts lineary moving and partly rotating containers
IPC: B65C3/16
Filed: 1973-12-14
Abstract: The equipment is for pressing positioned labels against containers, esp. against bottles or glasses of elliptical shape, and includes two parallel endless belts driven at different speeds, which between them are moving along the vertically positioned containers and pressing on containers placed labels against the container surface. The acceleration or slowing down of the non-uniformly running belts is so selected that the labelled containers are subjected to a limited rotating movement in both directions in addition to their linear forward movement. In order to achieve the non-uniform movement of at least one belt its drive is fitted with by one phase displaced double universal coupling. The speed of the belt is altered by axially displacing driving shaft of the universal coupling in parallel direction with its driven link.
Patent DE-2400645-A1 (DE)
Title: Protected photographic slides - using resin coating and glass cover plates for the film
Inventor: HANNEMANN DIETER DIPL PHYS ING
IPC: G03D15/10
Filed: 1974-01-08
Abstract: Areas of photographic film are framed between glass plates using masks, first coating the areas with transparent thermosetting resin and then inserting them between the two glass plates. The slides produced provide protection to the film from chemical and biological attack and mechanical damage, also prevent Newton rings formation.
Patent DE-2410092-A1 (DE)
Title: Transistor with predeposited base and collector zones - has at least one zone of emitter zone conductivity forming blocking PN-junction with base zone
Inventor: KAISER REINHOLD
IPC: H01L29/73
Filed: 1974-03-02
Abstract: The transistor is intended as a control element for protective circuits etc. Its base zone and collector zone are deposited in advance of its emitter zone. At least one semiconductor zone of the emitter zone conductivity is provided in the transistor body and the pn-junction between this semiconductor zone and the base zone has a blocking characteristic. Preferably this additional semiconductor zone is arranged laterally of the emitter zone and a potential may be applied to it for blocking the pn-junction with the base zone. The potential may be such as to effect functioning of the additional zone as a collector so that at least part of the emitter current flows across this additional zone.
Patent DE-2411704-A1 (DE)
Title: Belt conveyor for matls in bulk - has vulcanising device for repair of belt
Inventor: MIX KURT
IPC: B29C73/30
Filed: 1974-03-12
Abstract: A belt conveyor esp. for handling and transloading of materials in bulk such as paddle wheel dredgers, bridge cranes, has a belt carrying frame with longitudinal and cross sturts, reinforcing bars and roller seatings mounted on the cross struts for a stringer of teh conveyor belt with which a vulcanising device is arranged comprising at least 1 upper and 1 lower press platen, press crossties, piston mechanisms and set bolts. The cross struts of the frame also serve as lower press crossties, and the longitudinal ones are provided, near these crossties, with connecting pieces for the set bolts. The roller seatings are detachable so that the lower press platen can be placed onto the cross struts. The set bolts fit into the connecting pieces and the upper press crossties. The upper press platen are arranged, in known manner, below the upper press crossties which are fitted with piston mechanisms. The claimed arrangement ensures easy maintenance and repairs. The vulcanising station serves for the repair of the conveyor belt.
Patent DE-2412870-A1 (DE)
Title: Plain bearing halves with flanges - are mounted with lugs and are machined after assembly
Inventor: HILL JOSEPH HENRY
IPC: F16C17/10
Filed: 1974-03-18
Abstract: The thin bearing scales are provided with cut-outs at each end. Half flanges with internal lugs are mounted at either side of the bearing scales. The sides of the cut-outs are peened over, so that the lugs of the scales are trapped and the flanges are fixed in position. The inside edges of the flanges are sharp before they are assembled. After assembly of the flanges, two bearing halves are placed together to form a complete bearing. The edges, which includes the lugs and peened over cut-outs are now machined to give the bearings a rounded edge.
Patent DE-2414123-A1 (DE)
Title: Medical microwave heater unit protection system - for blood temperature control via series connected switches
Inventor: BOETTCHER LUTZ DIPL ING
IPC: H05B6/76
Filed: 1974-03-23
Abstract: Microwave unit comprising a generator for heating blood contained in a container to a predetermined temperature is protected by a system containing a circuit having several series-connected switches for controlling the switch on, switch off routines for the microwaves generator. The switches are "made" only when the blood temperature lies between a lower threshold temperature and the nominal value, and a predetermined permissible heating period or duration is not exceeded, when the container support is adjusted, the cover for the heating space connecting to the microwave generator is shut, and the support is moved.
Patent DE-2420793-A1 (DE)
Title: Temperature regulator for glass ceramic cooker plates - comprising extensible element working with rocker switch-lever
Inventor: ROTH HERMANN
IPC: G05D23/275
Filed: 1974-04-29
Abstract: The temperature regulator for incorporation in electric cookers is to prevent glass ceramic heating plates from overheating and is so designed as to switch off the current to the plate even where the extensible element operating as a temperature sensor fails to work. Accordingly, the carrier for the snap spring interrupt switch is bimetallic, so as to actuate the switch by adjusting its own position. The temperature sensing element is held in a protective tube and normally operates the actuating stud on a spring controlled rocking lever when it expands. If it fails, the expansion of the bimetallic carrier bends it upwards and contacts are opened, so cutting the current.
Patent DE-2421087-A1 (DE)
Title: Fastener driver - ensuring rapid supply of attachments to boxes, etc., using strip-like magazine, without using clip
Inventor: SCHMALE KARL ERNST
IPC: B27F7/15
Filed: 1974-05-02
Abstract: The device for supply and fastening attachments to boxes in a fastener-driving machine comprises a strip-like magazine in which the attachments are arranged one behind the other, or in parallel rows in the case of multi-part attachments, and supplied individually to the machine (or several parts together), by an advance mechanism comprising a movable plate biassed by a spring onto the last attachment. At the other end of the magazine is a lock engaging between two adjacent attachment parts, which is released in the work stroke of the machine and which is mounted at the free end of a swinging arm which moves in a counter-advance direction to displace the lock out of the path of the attachments.
Patent DE-2422092-A1 (DE)
Title: Saline storage tank for water softening plant - has relief valve stabilising membrane load of concn. controlling sensor
Inventor: GEYER HERMANN DIPL ING
IPC: B01J49/75
Filed: 1974-05-07
Abstract: The salt concn. in a water softening plant is measured by a membrane type of load cell which is coupled through a pressure disc to a contact system and produces a signal when the concn. drops below a pre-set level. A pressure relief valve above the salt storage tank opens below a certain minimum pressure so that the liquid column acting on the membrane is independent of the level of the outflow from the ion exchanger tank. This ensures an accurate and simple indication of the salt concn., even for dishwashers and washing machines where the ion exchanger outflow is at a much higher level.
Patent DE-2422408-A1 (DE)
Title: Drawer guide with adjustment means - allows drawers, of slightly different size to fit properly and flush with unimpeded sliding
Inventor: GRASS ALFRED
IPC: A47B88/04
Filed: 1974-05-09
Abstract: The inside wall of the drawer cupboard has guide rails which transfer the load from the drawer to the cupboard surround so that the drawers can fit properly into the surround. Displacement means are provided so that the rails can be adjusted at 90 deg. and/or parallel to the side faces of the drawer. The displacement means can be in various designs, such as movable wedged elements, mounted between the rails on one side and the cupboard surround and/or side faces on the other. Where several drawers are mounted one above the other their outer faces are in perfect alignment whilst each drawer itself runs smoothly in the guide eve if it is not of exactly the right width.
Patent DE-2422928-A1 (DE)
Title: Switching transistor cct. - is controlled by self-conducting field-effect transistor and operates as electronic break contact
Inventor: SCHEMMEL HANS-ROBERT DIPL ING
IPC: H03K17/042
Filed: 1974-05-11
Abstract: A first resistor is inserted between the switching transistor base and emitter, and the emitter is connected through a load resistor to the supply voltage source negative terminal. The collector is connected through a low resistor to the voltage source positive terminal, and through a third resistor to the FET drain. A third transistor collector is connected to the switching transistor base, its base to the FET source, and its emitter to the voltage source positive terminal. The FET source is connected through a fourth resistor to the voltage source positive terminal. The low resistance resistor between the switching transistor collector and the positive wire is a forward polarity diode.
Patent DE-2424781-A1 (DE)
Title: Mould closure and holding system with coaxial pistons - has closure piston thrusting onto movable mould closure plate
Inventor: HEHL KARL
IPC: F15B15/20
Filed: 1974-05-22
Abstract: The parent patent describes a hydraulic drive mechanism for closing a mould used in making plastics or metals, in which the mould is opened and closed by a relatively weak driving cylinder and is held closed by a strong pressure cylinder, the pistons of the pressure cylinder and driving cylinder being concentric and combined in one unit, and the high pressure and low pressure chambers on opposite sides of the pressure piston being connected by passages passing through that piston; these passages are situated on a pitch circle, and, during the pressure period, are closed by a valve in the form of an annular piston sliding on the piston rod as its guide and actuated by the pressure in the high pressure chamber. In the addn. the annular piston is on the side of the pressure piston remote from the movable mould clamping plate which is attached to the free end of the piston rod; the axial upholding forces of the pressure cylinder during the pressure period are accepted by two guide bars, which are securely attached to teh stationary mould plate and act as guides for the movable plate. A bridge may be used for transmitting the upholding forces between the guide bars and piston rods, where the pressure cylinder is in the plane of symmetry and the guide bars are not. An increased degree of compactness, likeness and economy is achieved as compared with the parent patent.
Patent DE-2427242-A1 (DE)
Title: Modular push fit coupling for tubular framework - angled coupling pieces having slit shanks which locate inside of tubing
Inventor: KOEHN FRITZ
IPC: F16B7/02
Filed: 1974-06-06
Abstract: A modular push fit assembly process for tubular framework utilises solid profiled coupling components. A right angle corner coupling (1) of circular cross-section has two parallel end sections corresponding to the internal diameter of the tubing. The parallel sections are axially slit to a suitable depth and are chamfered on the ends to provide easy insertion into the tubing. To provide an improved contact between the corner coupling and the tubing, the centre of the parallel coupling section has a conical recess into which a tapered pin locates. The tapered pin is moved axially by a set screw located at right angles to force the coupling into secure contact with the tubing.
Patent DE-2429887-A1 (DE)
Title: Small track-bound car junction route selector - with transverse rocker carrying points wheels tilting to engage guide arm
Inventor: HEINZEL GOTTHARD ING GRAD
IPC: B61B13/04
Filed: 1974-06-21
Abstract: The vehicle of the small cabin car type travelling suspended or above track is on a track with junction points in an urban rapid transit system and guided onto a selected diverging sector by a points device mounted in the vehicle. The device comprises two points wheel fitted at the ends of a rocker which runs across the longitudinal axis of the vehicle. In the area of junction points one wheel or the other can be brought into engagement with a guiding cross arm mounted on the track, which takes over guidance of the vehicle into the selected direction, by tilting the rocker according to the direction selected. The points wheels may also serve as horizontal supporting and guiding wheels.
Patent DE-2431190-A1 (DE)
Title: Function generator delivering nonlinearly varying voltage - in consecutive time periods consisting of M time intervals uses capacitor
Inventor: ZWACK EDUARD ING GRAD
IPC: H03K4/02
Filed: 1974-06-28
Abstract: Voltage slope is different in adjacent time intervals; it is intended for use in a circuit as in 2333299. A capacitor between a differential amplifier inverting input and output is charged to a potential applied to the amplifier non-inverting input by application of the frame potential to the inverting amplifier input through resistors controlled by a control circuit, so that during the first m/2 time intervals in each time period their value increases by a factor of two, and decreased by the same factor during the second m/2 time intervals; at the beginning or end of each time period (T) the capacitor is discharged by a switch operated by the control circuit.
Patent DE-2431300-A1 (DE)
Title: Increased length three point seat belt - has supplementary adjuster on vehicle wall to allow greater length range
Inventor: SCHLOTTERBECK FRIEDRICH-KARL
IPC: B60R22/30
Filed: 1974-06-29
Abstract: The end of the belt, which conventionally would be fastened by stitching near the bar of the buckle has been lengthened and is now set in a slider which can be moved along the belt. The range of adjustment available on the conventional belt was insufficient to accommodate the more extreme body sizes, a disadvantage which the new arrangement overcomes. A correct adjustment of the conventional belt determines the position of the buckle, possibly as one where it pressed uncomfortably on the wearer, but the new arrangement allows adjustment to a given length under a variety of combinations of buckle-and-slider positions.
Patent DE-2431791-A1 (DE)
Title: Double cone winding spool - cone supported by plastics end piece fitted onto hollow core
Inventor: GRETENER ALBERT
IPC: B65H75/12
Filed: 1974-07-02
Abstract: A double cone type winding spool has the enlarged end of the cone supported by an end piece made from plastics and fitted on to one side of the tubular metal core having a hollow cylindrical socket which fits flush to the inner or outerwall of the core. The socket is pressed against the core by a support ring for at least part of its length, arranged inside the socket when the socket is located inside the core and outside when the socket is positioned outside the core. The support ring has a tie for placing against the axial inner face surface of the socket.
Patent DE-2434772-A1 (DE)
Title: Harpsichord jack with second key-contact engaging upper manual - has two parts with second contact adjustable on main stem
Inventor: SCHUETZE RAINER DIPL ING
IPC: G10C3/16
Filed: 1974-07-19
Abstract: The harpsichord has three sets of jacks, one set (6) being playable from the upper (4) and also from the lower manual (1) in one of its two positions (2), while the other two sets of jacks (7, 8) are always in operative contact with the lower manual exclusively. A jack of the first set contacts a key of the lower manual in the same way as do jacks of the other sets, namely, at the bottom of the stem. It is provided with a contact for the upper manual also, in the form of a tongue (13) extending from a ring (12) which is a sliding fit on the stem (6) of the jack.
Patent DE-2439593-A1 (DE)
Title: Attachment for mounting fuel injection nozzle to intake manifold - has injection nozzle mounted at an angle within a bearer block fixed to the manifold surface
Inventor: FISCHER ADOLF ING GRAD
IPC: F02M61/14
Filed: 1974-08-17
Abstract: An attachment mounting for a fuel injection nozzle to affix it to the suction intake of a combustion engine, in which the spray nozzle is mounted at an angle to the manifold axis and penetrates the manifold wall. The nozzle support mounting (6) is a prefinished beaser block (6) in which the fuel injection nozzle (4) is held in a locked position. The beaser block (6) is fastened to the outer surface (5) of the suction inlet manifold and is attached to the outer surface (6) by means of at least one set screw (14) mating with the manifold surface (6) at right angles.
Patent DE-2439820-A1 (DE)
Title: Floor or ceiling mounted microscope for micro-surgery - can be focused without microscope movement
Inventor: KLEIN FRIEDRICH
IPC: G02B7/04
Filed: 1974-08-20
Abstract: The microscope comprises an ocular housing, the ocular itself and an objective. The objective has variable back focus and comrises a fixed negative element and an adjustable positive element. Pref. the positive element has a focal length of between 110 and 130 mm and a range of adjustment of 16 to 20 mm. The negative element is pref. of the interchangeable type and its focal length can be selected to suit the positive element. Neither the microscope nor any of the peripheral apparatus has to be moved for focussing. Only a small force is necessary to move the positive element.
Patent DE-2440030-A1 (DE)
Title: Non-destructive testing of spot-welds - in non-ferritic materials, using eddy-current search coil and electronic test circuit
Inventor: DRECHSLER GUIDO
IPC: G01N27/90
Filed: 1974-08-21
Abstract: The quality of spot-welds in and on non-ferritic materials made using electric spot-welding machines, is determined using a hand-probe placed on a pref. flat surface above the weld, the probe possessing a rod core on which are three windings. The middle coil is fed with an excitation frequency and the other two coils are wound in opposition and only one is near the weld, a non-ferromagnetic body being used near the other sec. coil to provide compensation. Before using the probe its signal voltage is adjusted to zero and the test signal obtd., i.e. an AC voltage, is fed to an amplifier in a controlled rectification circuit to indicate the size of the spot-weld and/or its quality. Used for non-destructive testing of spot welds on non-ferrous or non-ferritic metals.
Patent DE-2441838-A1 (DE)
Title: 4 - with interconnection between reinforcing bars to ensure effective screening
Inventor: STEWING ALBERT
IPC: H02G9/06
Filed: 1974-08-31
Abstract: The cable duct is made up from precast units, typically a lid and channel. Each has a mat (4) of steel wires (5) cast into the concrete with the ends of the wires brought out to terminals (6) at the junction points between adjacent sections and between lid and channel. Typically these terminations are of non-rusting steel welded onto the mesh ends. When assembled the duct thus contains an effective Faraday cage. Contact is maintained principally by the mass of the components. The ducts do not have to be weather proof as the cables are normally laid in sealed plastic pipes.
Patent DE-2447664-A1 (DE)
Title: Operating turn cock for sanitary equipment - has plastic handgrip and connection to valve spindle made from reinforced plastic
Inventor: KEMPER KARL
IPC: F16K31/60
Filed: 1974-10-05
Abstract: The tape consists of a hand grip, made from plastic, shaped to provide gripping surfaces. The outer finish is galvanised. The centre section is made from harder material than that used for the hand grip and is shaped so that the hand grip fits over it. The centre section turns the valve spindle of the tap. There is reduced risk of the failure due to the hand grip deforming round the centre section. The centre section (11) is made from reinforced plastic and has only slightly smaller dimension to the hand grip. Typical materials for the centre section are glass fibre or asbestos fibre reinforced thermoplastic or duroplastic.
Patent DE-2452813-A1 (DE)
Title: Electro-mechanical resonator usable as frequency standard - has piezo-electrical disc with two resonator regions acoustically coupled
Inventor: SCHMITT PETER DIPL PHYS
IPC: H03H9/56
Filed: 1974-11-07
Abstract: The electro-mechanical resonator which can be used as a frequency standard quickly reaches a high frequency stability and maintains the condition over a long period. It comprises a flat or convex disc of piezo-electrical material, preferably of quartz, with two resonator regions acoustically coupled with each other. They possess a smaller resonance frequency than their surroundings. A two-pole switched first resonator region has a resonance frequency shifted with respect to the frequency standard to be excited. The second resonator region is of a higher grade than the first and has a resonance frequency corresponding to the frequency standard.