baber/WOPTO huggingface dataset:
Patent DE-2708068-A1 (DE)
Title: Portable mattress disinfection or drying carriage - with blower, heater and filter
Inventor: BRAUN KARL WILLY
IPC: A61L2/02
Filed: 1977-02-24
Abstract: Mattresses and similar articles are disinfected, deodorised, aired, dried, dedusted and treated against moths in a portable appliance on wheels in which a mattress can be laid out. A blower circulates air at high pressure, heated if necessary and with the required additives, through the mattress and can be adjustable to discharge a part of the air after filtering. Direct exposure to sunlight is avoided in a rapid process.
Patent DE-2711759-A1 (DE)
Title: Video characteristic display arrangement with point selection unit - enables unequivocal determination of neighbouring and intersecting curve points
Inventor: CHARWAT HANSJUERGEN ING GRAD
IPC: G06F3/033
Filed: 1977-03-17
Abstract: An arrangement for displaying characteristics as curves on a display screen with a curve point selection device has curve stores from which the values are cyclically read out and fed to a video signal generator which drives the display. The selection device produces screen coordinates of selected points. The arrangement is designed to enable unequivocal determination of points on close proximity or intersecting curves. Symbolic data associated with each curve held in a character store is input to the processor with selected points of the relevant curve and information concerning abscissa values, value range, and physical dimensions. The processor converts the data to absolute values which are transferred to the display.
Patent DE-2714052-A1 (DE)
Title: Non-corrosive liner for steel tube - has flanges at each end of liner expanded and attached to outer sleeve by explosive welding
Inventor: LIESNER CHRISTIAN DR
IPC: F16L58/08
Filed: 1977-03-30
Abstract: A steel pipe (1) which is in contact with corrosive fluids, is provided with an internal layer of non-corrosive material. Each pipe end has a tapered counter bore (4) for the location of tapered rings (3) which are made of the same material as the internal protective layer (2). The protective internal pipe sleeve is installed by applying a very high internal pressure which expands the sleeve against the inside diameter of the steel pipe. The required pressure is created by a controlled explosion inside the pipe, whilst an external location ring provides the required radial support.
Patent DE-2715658-A1 (DE)
Title: Removal of rust and scale from cooling water for rolling mills - using magnetic separator with non-magnetic sheaths
Inventor: SCHIMION WERNER
IPC: B03C1/28
Filed: 1977-04-07
Abstract: Scale and rust is sepd. from water by immersion of a magnetic device in a flow region of the circuit. The device has a non-magnetic sheath. It is formed from a number of elements mounted on a frame which can be periodically removed from the liquid stream and the magnetic elements pulled from their sheaths. This action allows the magnetic material collected by the elements to be cleaned from the sheath surface. Several devices can be operated alternately. the surfaces are cleaned by jets of compressed air or pressurised water. The sheaths are made from stainless steel, brass or bronze and have non circular magnetic cores. Used for removing iron debris from rolling mill cooling water circuits. The debris damages pumps and blocks spray nozzles. Filtration requires considerable space and maintenance. The system described has low installation cost and requires little space.
Patent DE-2718757-A1 (DE)
Title: Heater for melting petroleum jelly for filling communications cables - has grid of heating wires over filling aperture to receive solidified jelly
Inventor: LANGE GERHARD DIPL CHEM
IPC: H02G1/16
Filed: 1977-04-27
Abstract: The heater for melting petroleum jelly in filling of communications cables has a fine mesh grid of heating wires (5) across the filling inlet. The grid of wires is supported by a grid of flat bars (1). The block of solidified petroleum jelly is placed on the wire grid. Electric current is passed through the wires and melts the jelly at the contact surface. The molten jelly flows down into the container beneath which houses a stirrer. The temperature of the space below the grid is kept slightly over the jelly melting point.
Patent DE-2722007-A1 (DE)
Title: Ram type well blow out preventer - has pressure responsive ratchet mechanism for locking rams in closed positions
Inventor: ELLISON C MACK
IPC: E21B33/06
Filed: 1977-05-14
Abstract: A ram-type well blowout preventer is claimed of which the, or each ram is controlled by a piston having a threaded piston rod engaging a lock nut carrying a corotatable first ratchet ring engaging a second ratchet ring which permits the nut to be rotated by the piston rod as the piston is advanced to shift the associated ram to its closed position but which is restrained against rotation in response to the pressure of the fluid used to advance the ram to prevent reverse rotation of the nut and hence undesired retraction of the piston. Ram(s) can be locked at a number of different positions to compensate for wear of its sealing element without need to pressurize separate control lines as in prior blowout preventers.
Patent DE-2724933-A1 (DE)
Title: Lightweight ceramic roof tiles giving good thermal insulation - obtd. from swelling clay or foamed ceramic materials
IPC: C04B38/08
Filed: 1977-06-02
Abstract: Roof tiles are made from ceramic light wt. building materials. The tiles consist of a swelling clay material with a hydraulic binder as the framework. As clay material surface-sintered swelling clay granules may be used. The tiles have a glaze on the weather side, conductivity of 0.08-0.3 kcal/m.h. degrees C., a flexural strength of 10-150 kg/cm2 and a specific wt. of 0.3-1 g/cm3. Alternatively, a foamed ceramic material is used in the tile construction. Clay-contg. raw materials are mixed with water, opt. with fluxes. After granulating and drying the mixt. is moulded and heated to cause foaming. Sulphates or sulphides are added as foaming agents. Ceramic roof tiles are obtd. with good strength, low specific wt. and good thermal insulation properties.
Patent DE-2736337-A1 (DE)
Title: Transport device for stack of variable length sheets - has support rollers to bend stack into curve for even drag
Inventor: FRANK WERNER
IPC: B65H3/04
Filed: 1977-08-12
Abstract: The stack of sheets or envelopes is taken through the equipment by a friction pickup formed by an endless friction belt(7) which grips the stack. The stack is bent into a convex upper shape by the rollers(33, 34) set behind the friction drive so that the friction is set at the same drag for different lengths of sheet. One roller is set near the maximum length the equipment can take while the other roller(33) is set so it can still cover the minimum length of sheet. The system is used for mail franking and similar high speed equipment.
Patent DE-2742219-A1 (DE)
Title: Servo actuator for valve driven with rack - has shaft deflected by solenoid for disengaging pinion from rack
Inventor: FEINAUER WERNER
IPC: F16K31/04
Filed: 1977-09-20
Abstract: The servo actutor is valves whose closing element is actuated by a toothed rack. The latter is actuated by a motor against spring force. the valve is moved into a safety position if the electric power supply to the motor fails. The pinion is held on a shaft connected by coupling to the motor. The pinion shaft can be deflected out of alignment with the driving shaft so that the pinion is disengaged from the rack. This deflection can be produced by a solenoid acting against a spring. The flexible coupling consists of a plastics or rubber sleeve. Alternatively, a universal joint can be used.
Patent DE-2752073-A1 (DE)
Title: Appts. for simultaneous dispensing of metered liquid quantities - for medical uses, having plate to hold metering cylinders as a single unit with sealing stopper
Inventor: EBERLE GUENTER
IPC: B01J4/02
Filed: 1977-11-22
Abstract: Simultaneous metering of quantities of liquid consists of a plate which can be moved up and down on a support frame with a number of metering pistons. Underneath each is a vessel to receive the liquid dispensed. The mounting plate is formed as an integral unit with the cylinders. At the upper end of each cylinder is a sealing stopper. The lower end of this stopper has the same profile as the base of the cylinder to ensure complete expulsion of the liquid. Used in dispensing medicines and gives a cheaper construction than other known types and is simpler to mount.
Patent DE-2806605-A1 (DE)
Title: Detachable fixing device for making seating rows - consists of spring-biased clamp connecting chair strut to holder on adjoining chair
Inventor: SCHUELER RALF
IPC: A47C1/124
Filed: 1978-02-16
Abstract: The two adjoining chairs of the row are connected together by a pair of hooked clamps (3, 5) which are held splayed out by spring force (10) with the side edges (2) adjoining the clamps forming a definite bearing face for a holder (12) on the chair. This joining device can be designed as an independent unit or as a fixed part attached to the holder on one side of each chair. The clamps are designed to engage in a slot in the side struts of a chair whose adjoining surface parts form the bearing face for the side edges of the fastening mechanism. The chairs can now be easily linked together with no play and with no lifting of one chair to slot onto the other.
Patent DE-2812460-A1 (DE)
Title: Information signal recording medium of electrostatic capacitance type - pref. comprises vinyl! chloride-vinyl! acetate copolymer contg. metal powder (NL 2.10.78)
Inventor: NISHIZAWA AKIRA
IPC: G11B9/06
Filed: 1978-03-22
Abstract: A signal is recorded as a change in the geometric configuration in the recording surface section of a recording medium, and collected on the basis of the change of electrostatic capacitance between the recording surface section and the electrode of a needle scanning the medium caused by the change in geometric configuration. At least the recording surface section with the geometric changes consists of a synthetic resin admixed with electrically conductive material. The resin coats the recording surface section so that the electrically conductive material is not exposed to the outside. The resin is pref. a vinyl chloride-vinylacetate copolymer contg. 5-60 wt. % of a metal powder.
Patent DE-2814878-A1 (DE)
Title: Appts. for removing dust from fabric filters - comprises loudspeaker mounted in partition between filter chamber and open resonance chamber
Inventor: OLSSON MATS ANDERS
IPC: B01D46/00
Filed: 1978-04-06
Abstract: A device for cleaning fabric filters to remove adhering dust utilises noise from a loudspeaker. A loudspeaker element is mounted in a partition wall between a chamber contg. the filter, and an open resonance chamber which is connected with the chamber contg. the filter. By mounting the loudspeaker in a chamber separate from that which contains the filter itself, the loudspeaker is kept away from the direct influence of pressure and pressure fluctuation in the chamber, which prevent the loudspeaker operating properly and may cause it to be sucked into the chamber. With the new construction as an open resonator, this difficulty is avoided and considerably amplified effects are obtd.
Patent DE-2818806-A1 (DE)
Title: Position adjuster for motor vehicle seat - has setting switches and logic circuits with comparator for desired and actual position values
Inventor: FLEISCHER HELMUT ING GRAD
IPC: B60N2/02
Filed: 1978-04-28
Abstract: The positioning system includes an adjustment unit (48, 53) in a control circuit coupled with a mechanical-electrical converter (40, 42). This responds to the actual reading of the position. A set of at least two electrical memory units (22-25) register the desired value. The mechanical-electrical converter is typically in the form of a spindle potentiometer. The system adjusts itself until a specified difference value, typically a difference value of nil, is achieved. The connecting circuit between the adjustment units includes a bistable switch (20, 21). The system is designed for motor vehicle seats and includes a door contact in the circuit. The method permits a continuous range of settings to be obtd., by manual control if required.
Patent DE-2824210-A1 (DE)
Title: Acceleration or position sensor - consists of case with two conducting halves which are short-circuited when ball moves from its rest position
Inventor: OPPITZ HORST
IPC: H01H35/14
Filed: 1978-06-02
Abstract: The sensor consists, among other things, of a ball freely movable with a specified clearance in a case. When the case accelerates, decelerates or moves from its position, the ball moves away from its rest position and operates an electric circuit. The ball (2) is conducting at least on its surface. The case (1) consists of two halves (3, 9) conducting in at least their parts facing each other. They are insulated from each other, forming an approximately horizontal joint (4), and each has a terminal (6).
Patent DE-2828389-A1 (DE)
Title: Contacting appts. for heat and mass exchange columns - with laminate between deck plates splitting gas flow
Inventor: TSCHECHOV OLEG SINANOVITSCH
IPC: B01D53/18
Filed: 1978-06-28
Abstract: A contacting arrangement for heat and mass exchange columns, used for rectification, absorption, desorption, humidification or dedusting, with several decks of plates, has vertical partitions and channels in a checkerboard pattern for gaseous agents and for liquid agents. The top edges of the vertical partitions of each lower plate are joined to the bottom edges of the next higher plate by inclined laminae which split the gas flow into separate streams. This raises the load capacity as regards the gas phase, improves the liquid/gas ratio in the working contact zone and results in a better efficiency.
Patent DE-2828456-A1 (DE)
Title: Pipe drawing machine - has gripping device with lifting table and two drawing trolleys to handle coils or lengths of pipes
Inventor: BUELTMANN RUDOLF
IPC: B21C1/22
Filed: 1978-06-29
Abstract: Themachine is fitted with two drawing trolleys which are drawn along alternately on rails by a chain driven by two sprockets. At the beginning of the drawing operation one of the trolleys is lifted into operating position by a table fitted on the piston rod of a hydraulic cylinder. When the trolley has reached its position where no link of chain is in mesh any more, the gripping device opens and the trolley rolls down an inclined rail section towards the table which in the meantime has lifted the other trolley into an operating position and has returned to its basic position to receive the incoming first trolley.
Patent DE-2829714-A1 (DE)
Inventor: HEFTI BELA
IPC: A41H37/00
Filed: 1978-07-06
Abstract: A two-part safety button has a top piece (1) with a cylindrical central part (2). The latter constitutes the inner boundary of an annular recess (4) which is composed of a cylindrical guide gap (6) and a holding groove (7). Located opposite the top piece (1) is a bottom piece (9) with a bottom plate (10) which is of circular design and is the bearer of four pins (11, 12, 13), the fourth pin being invisible in front of the plane of the drawing. At their free ends, these pins (11, 12, 13) have barb tips (16). The latter are pressed into the recess (4) during assembly and held in the holding groove (7). When a material (17) has been pierced by the pins (11 to 13) and the fourth pin, their barb tips (16) are introduced into the annular recess (4) and anchored there, the tips on the inner surface of the groove being bent over. This button does not stress the material and it can nevertheless be fastened thereon without difficulty. <IMAGE>
Patent DE-2830189-A1 (DE)
Title: Automatic grinding or engraving of glass - according to a pattern, by optical scanning giving electrical control signals for grinder or engraving machine
Inventor: FUELLER HERMANN
IPC: C03C19/00
Filed: 1978-07-10
Abstract: Method of engraving or polishing the surface of a glass body is described in which, by use of various types of engraving or polishing, the bright and dark fields of a picture or grooves corresponding to a pattern, are produced. Specifically the pattern is optically scanned and the bright and dark signals are converted into electrical signals and these are transpose into signals operating an engraving or grinding machine which produces the appropriate hollows and raised areas representing the bright or dark areas. The method overcomes the prior art need for highly skilled operatives using etchants and engraving tools, to obtain the desired patterns, in a costly time consuming way. The method can be used not merely to copy pictures or patterns, but also to produce enlargements or reductions of scale.
Patent DE-2831030-A1 (DE)
Title: Oil fired heater electronic control system - controls combustion air blower and fuel pump pulse generator (OE 15.10.78)
Inventor: LEINFELLNER HELMUT ING
IPC: F23N1/02
Filed: 1978-07-14
Abstract: The control and regulating instrument is used for heating regulation of mineral oil or gas fired heaters. The safety limiting values are monitored and the ignition phase is controlled. The heating performance is regulated steplessly with wide regulating range also when supply voltage fluctuates to marked extent. A regulating circuit is provided for controlling the rotating speed of the combustion air blower (M). A voltage control oscillator (VCO) generates the actuating pulses for the fuel pump (P) by means of a pulse divider (TL). A combustion temp. limiting value switching circuit (TS) and a reference and actual value comparison circuits (RV) are provided together with connection network (VN) for actuating the blower regulator. They also control the voltage control oscillator and the reference value of the temps. limiter (TS). A control logic system (SL) controls the heating up phase and disconnects system in case of defects.
Patent DE-2835778-A1 (DE)
Title: Paper web dehydrating grid cylinder - has sleeve thickness reduced by providing inner wall with support cylinder opposite radially outwardly located transfer cylinder
Inventor: HOLZ EMIL
IPC: D21F9/04
Filed: 1978-08-16
Abstract: Rotary paper web dehydrating device has a grid cylinder cooperating with an externally locted transfer cylinder for removing the formed paper web from the periphery of the cylinder with the aid of a felt. On the inner wall of the cylinder and radially opposite the transfer cylinder there is provided a support cylinder which extends parallel to the transfer cylinder. Provision of supporting cylinder internally of the grid cylinder permits of lighter grid cylinder construction as supporting cylinder counteracts flexure tendency.
Patent DE-2837380-A1 (DE)
Title: Butt welding ring sections of flexible bellows together - where ring sections are rotated on machine similar to lathe to obtain circular welded seams
Inventor: ATREPIEV VLADIMIR SEMENOVITSCH
IPC: B23K37/053
Filed: 1978-08-26
Abstract: Welding machine has a bed fitted with a stationary head-stock carrying a motor rotating a surface plate. A second surface plate is mounted on a tailstock, which can be driven along the bed of the machine by pneumatic cylinders. Each plate is fitted with a gear ring meshing with a pinion on a common shaft, so the rotation of 1st plate causes the rotation of the 2nd plate. Each plate carries a holder fitted with a slotted spring ring; and the tapering bores of the two rings are located on each side of the joint being welded to remove heat during the butt welding operation. Behind the sliding tailstock is a cradle formed by rollers and used to carry the welded sections of the bellows. Used e.g. for welding ring sections of bellows together, where the rings are 200-800 mm dia. and are made of stainless steel, with wall thickness 0.1-0.3 mm.
Patent DE-2848146-A1 (DE)
Title: Water carbonator for drinks esp. from vending machines - includes submersible pump to circulate water across refrigerated surface
Inventor: KUECKENS ALEXANDER
IPC: B01F15/06
Filed: 1978-11-07
Abstract: The installation comprises a pressure vessel in which fresh water is injected with the gas while the water is being cooled by contact with a refrigerated surface. A submerisbale pump beneath the surface of the water is now used to create a continuous flow circulation within the vessel. The flow pref. follows a circular path about a vertical axis. The submersible pump is pref. a packaged unit comprising a pump complete with impeller and a drive motor connected to a power supply. The pump inlet and outlet orifices face in opposite directions and arc pref. both located quite near to the refrigerated surface. The refrigerated surface is pref. in the form of a hollow cylinder contg. the pump and coaxial with the vertical axis, about which the water is circulated. The level of water in the vessel is pref. maintained at a constant level by a makeup supply. The makeup supply is pref. directed on to a splash plate in the gas space above the liq. level. High efficiency cooling of water by constant circulation over refrigerated surface. The carbonating unit is inexpensive, compact and uses less energy bulkier and more expensive units.
Patent DE-2854167-A1 (DE)
Title: Tyre reinforcing cord fabric transverse guiding device - with pairs of spaced rollers engaging fabric faces and pair of spring biased edge engaging rollers
Inventor: EICHHOLZ WERNER
IPC: B65H23/02
Filed: 1978-12-15
Abstract: Web guiding and transverse registering device has pairs of vertically shaped rollers (3,4) separated by registering rollers (10, 11) engaging the faces and edges of the web (1), respectively. Rollers (3, 4) are mounted on a frame (5) movable axially of the rollers. Rollers (10, 11) are mounted on scissor-like support (12, 13) and spring biased into engagement with the edges. Fabrics are guided transversely without displacement of reinforcing cords in the fabrics.
Patent DE-2854947-A1 (DE)
Title: Solar drive system for water well pump - has steam or other vapour generated by solar energy to drive reciprocating piston on pump drive directly or via lever
Inventor: BOJAK KURT DIPL ING
IPC: F03G6/06
Filed: 1978-12-20
Abstract: A reciprocating pump is driven by a steam cylinder. The steam is generated by a solar energy heater using a focussing mirror system. A more volatile liquid can be substituted for steam to drive the cylinder. The drive piston (1') can be directly coupled to the pump piston or connected through a lever system. The drive-piston (1') can be formed as a bellows and can contain a packing member inside. The mirror or lens system can be covered with a removable transparent layer to protect against fouling. Solar energy (S) falls onto a mirror (9) which focusses it onto a heater element (8). The liquid in this expands and causes the sprung bellows to expand. This moves the shaft (2) on the pump at the base of the wall via the lever mechanism (6).
Patent DE-2904166-A1 (DE)
Title: Bulk material silo with pneumatic filling line - which is coked inside or outside silo, which has tangential top discharge branch
Inventor: HOELTER HEINZ ING GRAD
IPC: B65D88/54
Filed: 1979-02-03
Abstract: The bulk material silo is for cement, gypsum etc. and has a pneumatic filling line. The latter is coiled inside or outside of the silo, and the discharge branch isolated. Tangentially in the top region of the silo. The design is intended to reduce wear and to ensure long service life.