baber/WOPTO huggingface dataset:
Patent DE-2537758-A1 (DE)
Title: High quality record turntable - uses hydrodynamic bearings and controlled speed drive with velocity feedback tachometer
Inventor: DINSDALE JACK
IPC: H02K41/025
Filed: 1975-08-25
Abstract: The design consists of a turntable (1) with a large truncated cone shaped central projection which rests in a suitable bearing (2) separated from it by a film of low viscosity oil. Slots are cut in the central projection according to accepted hydrodynamic bearing design practice. At the circumference of the table a dust exluding configuration (3) and a drive arrangement (4, 5) are mounted. This consists of a toothed cylinder (4) driven by a coil (5) mounted on the chassis of the equipment (6). Two alternative forms of central hydrodynamic bearing are available both cylindrical rather than cone shaped. In one case the table drive is provided by a motor incorporated in the table, while a velocity feedback control circuit is driven from a tachogenerator again incorporated in the table. Alternatively a magnetically coupled digital velocity transducer may be used.
Patent DE-2542423-A1 (DE)
Title: Polyvinyl chloride boards and coated material - worked from waste contg. fibres after chipping, mixing, plasticising, granulating, replasticising and drying
Inventor: HOLZAPFEL JUERGEN
IPC: B29B17/02
Filed: 1975-09-23
Abstract: Waste of composite products of fibre material and PVC-contg. thermoplastics is chipped to small, only short fibre-contg. parts. Waste may consist of PVC synthetic leather reinforced with natural, artificial, synthetic or glass fibre woven or non-woven fabrics; PVC-coated paper; fibre-flocked PVC films and opt. fibre-free PVC and/or PVC bonded with another plastic, e.g. polyurethane foam and/or acrylic-butadiene-styrene foam. Waste may contain only small quantities of plastics, immiscible with PVC, e.g. polyethylene. Chipped waste is mixed with comminuted PVC, free from foreign bodies. Fibre material is further broken down after plasticising and working through, e.g. in an extruder, and embedded in thermoplastic. Prod. obtd. is cooled, granulated with redn. of av. fibre length, stored, dired, re-plasticised with heating, shaped and cooled. Waste prod. can be converted to high quality material, used esp. for boards, e.g. floor boards for rooms, vehicles and ships, and coated materials, e.g. textiles, for furniture, walls, vehicle or ships' interiors.
Patent DE-2548551-A1 (DE)
Title: Furniture hinge adjustable in two directions - has mounting base carrying stationary hinge part with rotary and translatory adjustment projections
Inventor: KRAUTTER KURT
IPC: E05D7/04
Filed: 1975-10-30
Abstract: The hinge (11) consists of stationary (12) and a movable (13) parts. The latter (13) is of plastic and pot-shaped. The former (12) is of metal and fitted to a plastic mounting base (17) in an adjustable manner. The hinge parts (12, 13) are connected together by link element (21, 22). The stationary hinge part (12) consists of a flat arm (29) with a nose-shaped part (32) at its hinged end. The back of the flat part (32) lines up with the upper edge (36) of the flat part. At the end of the nose (32) hinge pin (27), and on the transition area from nose to flat part, the hinge (26) is fitted. The mounting base (17) is provided with hollow extensions (42, 43) which fit into corresponding blind holes (44).
Patent DE-2550266-A1 (DE)
Title: Radio voice communications system - uses generator voltages proportional to reception strength to determine switch through radio signal to output
Inventor: KRISCHE SIEGFRIED
IPC: H04B7/022
Filed: 1975-11-08
Abstract: The radio voice communications system has generators each producing a DC voltage proportional to the received field strength of the fixed radio receiver. At the fixed central station each generator voltage is separated from the demodulated radio signal superimposed on it and passed to an evaluator. The evaluator passes the demodulated radio signal associated with the largest generator voltage on to the reproduction circuitry provided that the generator voltage is higher than the previous generator voltge. The evaluator maintains this switched-through state as long as the generator voltage remains above zero for a given time.
Patent DE-2552764-A1 (DE)
Title: Dispenser for impregnated non-tear toilet paper - comprises air tight box with sealing lid and paper removal slit
Inventor: ABRAHAM LASZLO
IPC: A47K10/42
Filed: 1975-11-25
Abstract: The toilet paper dispenser comprises an air-tight box (1) which can be closed by a lid (8) so that moist sheets (3) of a non-tear paper can be stored. The paper can be impregnated with deodorising or disinfectant liquid for more hygienic use. An inner lid (4) can be mounted beneath the sealing lid (8) to form a sluice chamber (10) having a slot (5) for removal of the paper sheets (3). The sheets of paper which are pref interfolded individually to form a stack (2) can be resiliently pressed against the inner lid (4) by an intermediate base (12). A spring (11) is provided to hold the sealing lid (8) in the closed position.
Patent DE-2555279-A1 (DE)
Title: Work roll changing in rolling mill for thick plate - where work rolls and lower backup roll are mounted on movable trolley
IPC: B21B31/10
Filed: 1975-12-09
Abstract: The lower back-up roll and its chocks rest on a wheeled trolley moved by a motor-driven carriage. The trolley is lifted from its position of rest via work cylinders which raise sections of the rails along which the trolley runs. Below the chocks for the lower back-up roll in the trolley are plungers which light push rods passing through vertical holes in the chocks and entering recesses in the chocks for the lower work roll. The carriage is fitted with pusher- and cover-plates, and a set of guides is located at 90 degrees to the trolley rails and employed to move one set of work rolls off the lower back-up roll and supply a new set of work rolls. Reduces the time required to change the work rolls, and does not require the use of an overhead crane.
Patent DE-2556399-A1 (DE)
Title: Directly heatable silicon or silicon carbide tubular furnace - has thicker insulation at ends extending constant temp. zone, useful for semiconductor prodn.
Inventor: DIETZE WOLFGANG DIPL CHEM DR
IPC: H05B3/62
Filed: 1975-12-15
Abstract: Prodn. of directly-heatable Si or SiC tubular furnaces for diffusion (and tempering) processes in semiconductor technology involves deposition of Si or SiC from the gas phase on the surface of a heated support, which is then removed. A (partly)doped layer is formed on the outer surface of the tube. The ends of the tube near terminals are clamped in graphite jaws surrounded by a metal which is a good conductor and the tube is insulated with thermally stable material (I) between the graphite jaws. (I) being applied in such a way that its thickness increases from the middle to the ends of the tube. The length of the zone at constant temp. is increased considerably, since the higher energy losses due to conduction etc. away from the middle of the tube are compensated.
Patent DE-2557668-A1 (DE)
Title: Short term ultrasonic homogenisation of liquid in stages - each emitter having two heads to vibrate two stages
Inventor: KINANEN ILMARI DIPL ING
IPC: G01N1/28
Filed: 1975-12-20
Abstract: Several applications of energy to the sample are carried out. Each ultrasonic emitter supplies two energy-concentrating heads - typically of aluminium - and each head is in contact with a chamber contg. part of the liquid sample - A communicating duct conveys the sample from one chamber to the other, so that the number of ultrasonic treatment stages through which the sample passes is twice the number of ultrasonic emitters. Pref. the sample is pumped continuously from one chamber to the other. Method is esp. for treatment of milk. The ultrasonic emitter may be piezoelectric or magnetostrictive.
Patent DE-2602793-A1 (DE)
Title: Seat for conical or spherical valve member - is made of wound resin bound glass or carbon fibre
IPC: F16K5/06
Filed: 1976-01-26
Abstract: The seat for a conical or spherical valve member comprises an annular body (2) made of wound glass or carbon fibre bound by synthetic resin. The seal surface is conical and has a surface layer (2a) in which a sliding friction-reducing substance such as graphite or molybdenum disulphide is added to the plastics during winding of the fibre. Beneath the surface layer is a backing layer (2b) into which is inserted a woven reinforcement or wherein, during winding of the fibre, the latter is twisted to avoid parallel fibres being torn from the seat by the sliding action of the valve member.
Patent DE-2604556-A1 (DE)
Title: Continuous expanding of foam blocks with rectangular cross-section - using device with a foaming channel lined with continuously moving belt
Inventor: DARMOCHWAL HORST DIPL CHEM
IPC: B29C44/30
Filed: 1976-02-06
Abstract: The device for the continuous expanding of soft foam blocks having rectangular or pref. square cross-section, applies continuously moving webs which serve to line a foaming channel. This has a rectangular, preF. squarE, cross-section and is turned by 45 degrees out of the horizontal. The device is used esp. in mfr. of soft polyurethane foam blocks. Although suitable for 'free-foaming' processes, the device ensures mfr. of homogenous, dimensionally accurate forma blocks, with even, flat surfaces. Prodn. of flawed foam is minimised.
Patent DE-2615447-A1 (DE)
Title: Collapsible box for goods transport - has base lid and walls secured together by sliding tongue and groove joints
Inventor: HEINRICH MARKUS
IPC: B65D6/00
Filed: 1976-04-09
Abstract: The collapsible box is particularly for transport purposes. The base (1), lid (4), sidewalls (2) and ends are detachably secured to each other by tongued-and-grooved joints (5, 6) sliding in and out of engagement. The joints may be of dovetail section. There may be sockets (7) at opposite sides of the base, to accommodate the sidewalls, also supporting ribs (8) under the base, on opposite sides. A part from the grooves, there may be guides in base and lid (9) to accommodate the end walls in the dismantled state. Means may be provided in lid and side and/or end walls to accommodate locking pins (10).
Patent DE-2622482-A1 (DE)
Title: Proximity sensor with ferrite sensing core - is capable of being mounted internally in several positions to provide several sensing arrangements
Inventor: KLASCHKA WALTER DIPL ING DR
IPC: H03K17/95
Filed: 1976-05-20
Abstract: An inductive proximity sensor uses a rectangular ferrite sensing core that may be mounted in several different positions to provide a variety of sensing configurations. The ferrite core (24) cross section is chosen such that it may be mounted on any of the four side walls (23, 21) or against the end surface (16). Electrical connections are made via cables (34, 59, 60, 61) to components (31, 32, 33) mounted on a printed circuit card (29). The cables are flexible ad long enough to accommodate the mounting positions of the ferrite core. All cables are brought out through a sealed end cap (43) screwed onto the plastic body.
Patent DE-2630817-A1 (DE)
Title: Non-curling laminar body, esp. transparent casing - from unstretched tempered polypropylene film with welded seam
Inventor: EISELE JUERGEN
IPC: B29C65/02
Filed: 1976-07-08
Abstract: A non-curling laminar body, esp. a see-through casing, consists of 2 superimposed polymer films, connected together by >=1 welded seam. The polymer film consists of an unstretched, tempered polymer contg. polypropylene, and the temp. at which the seam is welded is such that the seam has a morphological structure about the same as that of the tempered polypropylene-contg. polymer. The tendency for the film to become corrugated or to slip on the line of the seam is reduced. Other properties, e.g. tear strength and dimensional stability at increased temp., are improved.
Patent DE-2641660-A1 (DE)
Title: Voice radio transceiver system - has separately housed electronic switch automatically switching to transmit when voltage appears at microphone
Inventor: FRITZKE JOERG-DETLEV DIPL ING
IPC: H04B1/46
Filed: 1976-09-16
Abstract: The voice radio transceiver has an electronic switch (15) in a housing separate from the transmit and receive parts and connecting them to the headphones and microphone. The electronic switch automatically switches the transceiver to transmit whenever a voltage appears at the output of the microphone irrespective of the position of the manual transmit/receive switch in the main transceiver housing. The electronic switch contains a rectifier (28) and trigger (29) to detect signals from the microphone and to operate contacts (30). Triggering can be suppressed (27) by a similar detector connected to the loudspeaker (32).
Patent DE-2652461-A1 (DE)
Title: Swivelling panel door for heavy personnel traffic - has paired handles on each side opening door in four directions
Inventor: DIETZ HERMANN JOSEF
IPC: E05D15/50
Filed: 1976-11-18
Abstract: The rotating panel door is used for residential and business premises. This door can be open in four directions by the pressure exerted on the door handle (2). This type of door accommodated heavy traffic of personnel and also prevents any injury to persons for example using a glass door which may not open in the direction assumed by the user. Two door handles (2) act on one side of the door on levers (10, 9). Each of two pins (4) are retracted in pairs. Hence the door can be actuated on each side for opening in any manner so that the door can be opened in four directions and it can be opened by stops on the door frame in one or more directions.
Patent DE-2653127-A1 (DE)
Title: Insulated district heating pipe continuous laying system - has space between steel and plastic pipes filled with foam on site
Inventor: HOLLEMANN KARL
IPC: F16L59/20
Filed: 1976-11-23
Abstract: The system is for the continuous laying of insulated pipes for district heating. The steel and plastic pipes, fitting one inside the other, are delivered without the intervening space filled with foam material, this filling operation being carried out when they are welded together on site. Inner or outer clamping tools can be secured to the steel pipes to align them with each other, after which axial thrust rams exert the necessary force for friction welding. A transparent or translucent material can be used, to allow the foam filling operation to be observed. An external weld seam can be formed on the plastic protective pipe, both by friction welding and also by welding with additional material.
Patent DE-2701848-A1 (DE)
Title: Portable IR heating appliance - has tapered outlet for concentrated emission of rays fitted with glass cover
Inventor: BOJAK KURT DIPL ING
IPC: A47J37/01
Filed: 1977-01-18
Abstract: The heat ray appts. for household and workshop use has an electrically operated radiation source with a high output of at least 500 watts and is fitted with handle so that it can be used as a portable appliance to heat up for example foodstuffs or workpieces. A fit-on element which encases the entire reflected heat rays and reflects the radiation on its inner faces is fitted onto the housing or reflector. Its cross-section tapers nozzle-like from the housing to the outlet opening to collect and concentrate all the heat rays. This outlet opening of the fit-on element has a protective cover which is permeable to the heat rays and is preferably made of a material such as quartz glass, jena glass, glass ceramic.
Patent DE-2726319-A1 (DE)
Title: Medical drip feed bottle suspension fitting - consists of strap attached to hanger by weak portions, acting as hinges to tilt bottle
Inventor: GEISINGER WOLFGANG
IPC: A61M5/14
Filed: 1977-06-10
Abstract: The medical drip feed or transfusion bottle, which has a groove all round, just above the base, has a one piece plastics support(18) for suspending the bottle, with a circular strap(20) which fits into the groove. This is integral with the D shaped hanger portion(22). The cross section of the strap is rectangular, with its inner corners cut off at an angle to match the shape of the groove around the bottle. The cross section of the hanger is H shaped, and at its ends(36, 38) where it is attached to the strap, this transforms into a weaker strip shape. This acts as a hinge each side to enable the bottle to be tilted readily.
Patent DE-2731685-A1 (DE)
Title: Solar energy collector for directly heating air - using bars parallel to transparent cover with air passage over them and heat transfer from them to the air
Inventor: SINGER KURT DIPL ING
IPC: F24J2/04
Filed: 1977-07-13
Abstract: Solar energy is recovered in an absorber having a transparent lever and a black base plate, through which air is passed as the heat transfer medium. Mounted between the transparent cover and the base plate, rods esp. round rods are mounted with a spacing from each other. They can have ribs or fins on their surface. They are partially or completely blackened and several rows can be used. The base plate can be kerb-shaped. The rods can be wood or other self supporting ligno-cellulose material. A second air passage can be established between transparent sheets. Also the rods can be hollow and act as tubes. Overcomes the problems of boiling and freezing associated with water systems and the general handling problem of oil filled systems.
Patent DE-2734447-A1 (DE)
Title: Reciprocating IC engine with spring-loaded piston - has inner piston sliding within outer piston to increase turning moment
Inventor: SOMMER BRUNO ING GRAD
IPC: F02B75/36
Filed: 1977-07-30
Abstract: The engine has a piston (2) reciprocating in a cylinder (3). The cylinder head contains inlet and exhaust valves (21) and a sparking plug (22). An inner piston (1) inside the main piston is joined to the connecting rod (24). It is supported from the main piston by springs (4) in parallel with oil filled dashpots (8, 9). When combustion commences at top dead centre the main piston initially slides over the inner one and compresses the springs. Towards the end of the stroke when the gas pressure has fallen the springs separate the pistons again. In this way the high energy available at the beginning of combustion is stored till later in the stroke when the crank angle enables it to exert a bigger turning moment.
Patent DE-2735288-A1 (DE)
Title: Controlled heat generation system using rotting manure - uses heat from buried reactor tubes to warm soil or greenhouse
Inventor: NOCKEMANN OTTO
IPC: A01G9/24
Filed: 1977-08-05
Abstract: The system for decomposing manure, hay etc., uses the heat generated to assist the growth of plants, vegetables etc. and can be employed to heat a glasshouse. Underneath a bed (2) in which the plants are to be grown are installed two reactor tubes (4a, 4b) in which the manure is deposited. The bed may be covered by a plastics tunnel (1). Smaller tubes (5, 6) through the reactor tubes may be used to introduce air or other treatment substances. The ends of the reactor tubes are brought out above ground level, each side of the bed (2). This enables the manure etc. to be inserted, and then as it is broken down by micro-biological action further manure can be inserted. Heat generated by the action is transferred to the soil above or around the reactor tubes. The process can be controlled by additives if required.
Patent DE-2747514-A1 (DE)
Title: Non-slip shoe sole - has protruding grip blocks totalling up to half area of complete sole
Inventor: RIGOULOT PIERRE
IPC: A43B13/22
Filed: 1977-10-22
Abstract: The non-slip shoe sole has protruding blocks separated by lengthwise channels. The ratio of the total area of the blocks (12) actually resting on the ground to the projection of the periphery of the sole (10) on the ground is between 15:100 and 50:100. The lengthwise axes of the blocks can be exactly parallel to that of the sole. The blocks can be rectangular, their longer sides being exactly parallel to the sole axis, while the ratio of the length of the longer sides to the shorter ones can be between 2:1 and 3.5:1.
Patent DE-2753496-A1 (DE)
Title: Heat exchanger for several fluids - with partitioned antechamber and nests of tubes in main shell
Inventor: LANG ERICH DIPL ING
IPC: F28D7/06
Filed: 1977-12-01
Abstract: A heat exchanger is divided by a vertical partition into an antechamber and the main shell. The antechamber is subdivided by vertical and horizontal walls into spaces for the inlet and outlet for several fluids. These fluids pass through the main shell, which is traversed by an evaporating coolant, in nests of tubes, with the vertical partition acting as a tube plate. This saves space and material if several fluids have to be cooled. The new heat exchanger has mostly straight tubes and is much easier to clean.
Patent DE-2757250-A1 (DE)
Title: Missile initial stabilising system - comprises grooved rotary body from which anchor strip unwinds
Inventor: HOESSLE WOLFGANG VON DIPL ING
IPC: F42B15/04
Filed: 1977-12-22
Abstract: The equipment stabilises a missile during the first part of the flight by means of a tope fixed to the launching point and unwinding from a spool at the stern of the missile. Spool and rope form an integral rotary body (5) mounted on the stern so as to give a shape imparting high aerodynamic stability. A groove is cut in the body periphery in the pattern of coils of a tope so as to form a predetermined breaking point. Thus under a force acting on the body end this is unwound in a continuous strip (8). The body can be a sleeve of truncated cone section fitted on the stern of the body, its base with the larger dia. being towards the rear.
Patent DE-2800853-A1 (DE)
Title: Bulk material unloading system - loosens material by vibration synchronised with aeration pulses
Inventor: SCHAPUNOV MAKS M
IPC: B65G53/42
Filed: 1978-01-10
Abstract: The bulk material unloading system from containers mechanically loosens the material and simultaneously effects forced aeration in the intake area. The material is sucked into the intake and transported pneumatically. Loosening is effected by vibration, and the aeration air is directed to the intake in impulses, whose frequency is synchronised with that of the vibration, typically 2-60 Hz. The aeration jets can be arranged to intersect on the intake lengthwise axis. The loosening device can be of truncated-cone section with its narrow end downwards, round the suction nozzle, and with individual ribs forming its sides. The nozzle intake is lower than the device, and aeration is by a ring pipe with outlets aimed at the intake, supplied from the compressed air system actuating the loosening vibrator.
Patent DE-2805258-A1 (DE)
Title: Window or glazed door bar cover plate retainer - involves locking unit engaging grooves in plate bend and adjacent side surface
IPC: E05D5/02
Filed: 1978-02-08
Abstract: The device for holding a covering plate in position on a rail-type bar is esp. in connection with fully glazed door ironmongery, but also applicable to fixed panes, windows, frames and other units. There is a lengthways groove (62) in one of the surfaces at least, bounding the length of the bar (16, 18) and a corresponding groove (50, 52) in a bent section (40, 42) of the cover plate (36, 38) facing this surface. Both grooves are engaged by a locking member (64) such as a bar inserted from one end, or an attached elastic element.
Patent DE-2805731-A1 (DE)
Title: Endoscope viewing, camera and cassette film mechanism - has trigger operated shutter mechanism with two shutters operated in sequence
Inventor: KANEHIRA KATSUYUKI
IPC: A61B1/04
Filed: 1978-02-08
Abstract: An endoscope with an optical fibre bundle viewing system, a camera and a cassette film, includes a camera control system at the control end. This includes a shutter operating mechanism designed for easy operation without movement of the control end, which could adversely affect performance. The mechanism includes an operating button (12) and a shutter control system (28). The latter includes an operating plate (39) which actuates a switch (67) after another switch (57) has operated. The first switch operates a normally closed shutter and after a time interval, the second switch operates the second shutter which is normally open. The first switch (57) has a pivot arm (41) which initiates this sequence.