baber/WOPTO huggingface dataset:
Patent DE-2508811-A1 (DE)
Title: Thin walled slender building parts prodn. - by moulding mixture of organic binder-(inorganic) filler in shaking rough-walled mould
IPC: B29C33/26
Filed: 1975-02-28
Abstract: Thin walled and/or slender building parts, e.g. plates, supports, gutters, pipes, etc., are produced by (a) mixing a liquid organic binder, e.g. a synthetic resin, and at least one pref. inorganic filler, e.g. sand, (b) introducing the mixt. into a mould having rough working faces coated with a lubricant, (c) shaking the mould contg. the unsolidified mixt. until it is properly filled, and (d) allowing the mixt. to solidify while shaking, opt. with use of pressure. Method allows use of relatively cheap moulds without smooth faces, easy removal of the moulded part from the mould without damage, and excellent consolidation of the mixt., thus producing high quality, fine grained parts. Thebbinder is pref. an unsatd. polyester, epoxide, polyurethane or methacrylate. The lubricant is pref. a hard wax, e.g. carnauba wax, dissolved in a solvent, e.g. methylene chloride.
Patent DE-2509170-A1 (DE)
Title: Tractor drawn tree felling machine - has grip with two claws positioned above each other holding tree vertically
Inventor: SCHAEFFLER MAX
IPC: A01G23/091
Filed: 1975-03-03
Abstract: A coupling-piece on a tractor has at the top a U-shaped bearing-block whose axle journal holds the piston rod of a hydraulic cylinder. The other end of the hydraulic cylinder is mounted in another U-shaped bearing-block which has an axle-journal and is fixed to horizontal plates welded together. The two plates are joined together by axle journals on which the claws forming the tree-grip are mounted. A hydraulic cylinder moves the claws and has a piston-rod to the ends of which the claws are fixed by bearing-pins.
Patent DE-2513487-A1 (DE)
Title: Overload protection switch or circuit breaker - using a self-restoring current limiting element in series with a fuse
Inventor: YAMAGATA KIYOSHI
IPC: H01H85/46
Filed: 1975-03-26
Abstract: Circuit breaker or protective switch device, consists of a self-restoring, current limiting element (I), connected in series with a meltable fuse. When the electric current actuates element (I), the fuse is driven into its switch-off or melting zone and interrupts the current. The pref. device uses an element (I) consisting of a metal which is liq. at room temp. or has a low m.pt. and is readily volatile, so that when a short circuit occurs, resistance heating converts the metal into vapour with a high electric resistance, thereby limiting the current; on cooling, the metal is restored to its state of good electric conductivity. When a low impedance short circuit current occurs, element (I) actuates the fuse. Element (I) pref. consists of Hg, Na, K, or a mixt. of Na + K, and is connected in series with a fuse (2) made e.g. of conventional wire.
Patent DE-2515655-A1 (DE)
Title: Protection cct. prevents damage from reversed supply poles - using two diodes in pos. and neg. lines and third coupled to signal line
Inventor: KLASCHKA WALTER DIPL ING DR IN
IPC: H02H11/00
Filed: 1975-04-10
Abstract: The protection circuit avoids damage from reversed supply poles in e.g. proximity switches by using diodes to prevent the wrong supply polarity reaching the circuitry being protected. The circuit contains an RC-circuit with a given time constant, a protection resistor coupled to the load side, a transistor, positive and negative terminals, and a signal line. A first diode is connected into the positive line with its anode coupled to the positive terminal line with its cathode coupled to the negative terminal. A third diode is connected by its anode to the second diode's anode and by its cathode to the signal line.
Patent DE-2524020-A1 (DE)
Title: Knitting, esp. warp knitting machine sinker - with thickened projection on under surface, clearing fly from between needles
Inventor: MATTHAEUS KARL
IPC: D04B27/04
Filed: 1975-05-30
Abstract: The reciprocating sinkers of a knitting, esp. a warp knitting machine, are arranged so that there is on their bottom surface a downwards projecting lug. This may be stepped, and is reinforced as compared with the rest of the body of the sinker. Keeps the spaces between the needles clear of accumulations of fly when fibrous yarns are knitted. If desired, the lugs beneath the sinkers may almost fill the spaces between adjacent needles.
Patent DE-2527801-A1 (DE)
Title: Rotational speed governor for IC engines - has double regulator to reduce fuel input when load and engine speed drop
Inventor: CLOUSE JERRY ALLAN
IPC: F02D1/04
Filed: 1975-06-21
Abstract: The rotational moment upsurge limiting device is used in an internal combustion engine. It has a regulator operating relative to the speed of rotation of the engine. If the load applied to the motor increases this device moves the fuel control device to permit extra fuel to enter the engine. A different regulator is governed by changes in positions of the regulator (11). If the motor speed drops due to load conditions, the regulator automatically adjusts the fuel control device (22) to reduce the fuel volume entering the engine and reduce emission of toxic gases.
Patent DE-2527891-A1 (DE)
Title: Hollow conductor for transmission of electromagnetic waves - has circular cross section and is lined with dielectric material
Inventor: MOEHRING GUENTER DIPL ING
IPC: H01P11/00
Filed: 1975-06-23
Abstract: Mfr. of a hollow conductor installation for transmission of electro-magnetic waves with the aid of the H01 wave mode comprises lining the conductor, which has a circular cross-section, with a dielectric material. Into the hollow conductor there is inserted a tube of dielectric material. The tube is longer than the conductor and may be adhesively bonded to same. The tube is then inflated, from 1 end, to cause it to hug the wall of the conductor, and the tube is finally glued to the hollow conductor by the action of heat. Used in telecommunication technology. Interference by E11 wave is eliminated. The lining is free from creases or bubbles, thereby reducing risk of wave reflections. The tube may be made of polyethylene and coated with a copolymer. The glueing of the tube to the conductor is facilitated by generating in same a super-pressure of about 1 atmos, once the lined conductor has been heated.
Patent DE-2532127-A1 (DE)
Title: Protective circuit for electric lines or networks - has fault detector and switch disconnecting faulty unit
Inventor: GLAVITSCH HANS DR
IPC: H02H1/04
Filed: 1975-07-18
Abstract: A switch (11) is provided with an opening (9) and a closing (10) device. The fault detector has a first control channel (1) activated when a first criterion (K1) appears, and at least one second control channel (II) activated by the absence of a second criterion (K2) at a time later than the first channel activation time. The switch (11) opening device (9) is connected to first channel (I), and its closing device (10) to the second channel. There is an additional control channel with an activation criterion circuit (K3) in parallel with the second connected through an OR gate (8) to the closing device (10).
Patent DE-2533257-A1 (DE)
Title: Cable for detecting leaks in heat-insulated pipes - with high electrical response and high mechanical strength
Inventor: SCHIMMELPFENNIG KLAUS DIPL ING
IPC: G01M3/04
Filed: 1975-07-25
Abstract: Heat-insulated pipes consist of two coaxil metal pipes between which is a heat-insulating layer. The cable comprises a resistance wire to which paper insulation is applied and which is connected to a voltage source. A plastic strip, pref. PTFE, is coiled around the paper insulation with gaps between adjacent edges of the strips, pref. gaps of 0.5-5.0 mm. The plastic strip does not prevent the paper surface from becoming wetted with water, and does not alter the electrical response behaviour of the cable. It also provides additional protection during transport, storage and assembly, during which time the paper insulation is generally moist. The plastic strip is wound tighly around the paper to prevent the individual coils from slipping.
Patent DE-2533781-A1 (DE)
Title: Ultrahigh speed electric motor with low noise - for driving spindles in textile spinning machinery
Inventor: BAJSIGL ZDENEK DIPL ING
IPC: F16C35/06
Filed: 1975-07-29
Abstract: The rotor shaft is mounted in a pair of ball bearings with outer races in the housing, whereas the inner races are machine directly in the rotor shaft. The dia. of the rotor winding does not exceed the dia. of the outer bearing races, and cavities are provided in the bearings for a vol. of grease adequate for the life of the bearings. The grease cavities pref. consist of recesses in the outer races. Esp. used for driving spindles at over 40,000 r.p.m. in open ended spinning machines. High dynamic stiffness of the rotor with perfect balance, high reliability, and a low noise level are obtd. as there is only one moving part.
Patent DE-2535141-A1 (DE)
Title: Echo compensator for communications system - has high response speed and adaptability and simple multiplier with sign forming circuit
Inventor: HOEGE HARALD DR
IPC: H04B3/23
Filed: 1975-08-06
Abstract: The echo compensator, for communications systems, has a two-wire/four-wire transformer and has its response speed and adaptability increased over the arrangement described in the main patent. This is achieved by supplying the control device not only with the sum signal as in 223 9452 but also with absolute value of the output signal from the branching network. Further, the multiplier can be considerably simplified by connecting a sign-forming circuit between the output of the branching network and the appropriate multiplier.
Patent DE-2540325-A1 (DE)
Title: Roof ridge or coping stone fixture - uses closed loop plastic cable tension element for each stone
Inventor: GERHAHER MAX DIPL ING
IPC: E04D1/34
Filed: 1975-09-10
Abstract: The device is used for fixture of coping or ridge stones on a roof structure, comprising a flexible tension element which engages both the stone and the roof structure. There is one tension element (1) for each coping or ridge stone (3), and this is in the form of a closed loop. It may be produced as a double loop, with each part fastened to a point in the roof structure on one side of the coping or ridge line. It may be led through two or more eyes (2, 4) fitted on the underside of the coping or ridge stone. One eye at least passes through the stone from top to bottom. The tension element may consist of a non-rotting elastic plastic cable. Its ends can be joined together by a knot, or by clamping, cementing, welding, or interweaving.
Patent DE-2543727-A1 (DE)
Title: Synthetic high power light conductors - are highly flexible yet robust and suitable for endoscopes
Inventor: REIDENBACH HANS-DIETER DIPL IN
IPC: G02B23/24
Filed: 1975-10-01
Abstract: Light conductors composed of suitable synthetic materials are able to carry sufficient light power for use with endoscopes in such processes as photo-coagulation in human medicine whilst retaining high-flexibility and mechanical robustness to ensure no limitations in the use of the endoscope. Fibre optic light conductors, on the other hand, have high optical boss factors and quartz conductors are relatively fragile. The synthetic conductors may be used in the system described in P2517954.8 and are capable of carrying 20 watts of power from an Argon Ion laser with a 5 watt loss over 3 metres of conductor.
Patent DE-2548310-A1 (DE)
Title: Setting and release unit esp. tabulator on typewriter - has slide rail driven by selectively operated setting and release levers
Inventor: THEILEN ROLF
IPC: B41J21/04
Filed: 1975-10-29
Abstract: Setting and release unit and particularly a tubulating unit for typewriter, calculator or similar office machine has the tabulating slides mounted on a slide rail which can be rotated from a central position to effect setting or releasing of the slides. The slide rail (1) is powered by two independently operated drive levers (5, 8) each with oppositely curved cutouts (6, 9) which interact with a bolt (4) on a transmission lever (21, 23). Moving a lever (5, 8) causes the slide rail to be moved in the setting or release position. Each lever has a tension spring (12) which tends to pull the lever and with it the slide rail back into initial position.
Patent DE-2549536-A1 (DE)
Title: Strip control system for welded seam tube production plant - has common sub-frame to which various component stations are attached
Inventor: ZIMMERMANN HERBERT ING GRAD
IPC: B21C37/12
Filed: 1975-11-05
Abstract: The device is for lateral movement of a strip coil, strip transverse welding, strip directional control and strip feed or guide stations relative to the strip long axis of a weld-searing lythe tube production system is constructed with a common subframe (6) which supports the requisite coils (2), welding (3) and directional (4) control units as well as the strip transport or feed station (5). The entire common sub frame assembly (6) can be moved on the strip feed or guide bare frame (8) relative to the running direction of the strip in a transverse or lateral manner.
Patent DE-2553370-A1 (DE)
Title: Waste water filtration process - which does not block the filter, effected by sequential addn of aluminate, silicate and ammonium/polyvalent cation source
Inventor: HOELTGEN JAMES B
IPC: C02F1/52
Filed: 1975-11-27
Abstract: A waste water system is purified by first adding 0.004-0.04 moles/l of of an alkali aluminate (I) then 0.006-0.2 moles/l of an alkali silicate (II) and 0.001-0.2 moles/l of a sol. ammonium ion source and/or a source of Ca, Mg, Fe, Al, Ba, Co, Cd, Sr and/or Cu ions (III) so as to form solids which are then filtered, the pH of the system being >5.5 when (I) is added. The system is readily filterable and does not block the filter. The process is universally applicable, uses readily available chemicals, is rapid and economical and yields a liq. which is free from particulate matter and many (in)org. solutes (incl. micro-organisms) and yields a highly dewatered unique complex of recovered solids which can safely be stored, handled and beneficially used.
Patent DE-2555779-A1 (DE)
Title: Travel bag for toilet requisites - has moist articles ventilated but kept from contact with clothes by perforated lid
Inventor: KLEINSCHMIDT FRITZ
IPC: A45C11/24
Filed: 1975-12-11
Abstract: The container which is made of non-hygroscopic material is for carrying toilet requisites in suitcases. A rectangular box (16) has perforations (12) in the base and a perforated lid (40-2). A ridge (46) parallel to the top edge of the container forms a spring retainer in cooperation with the lip (44) of the lid (40-2). Optional additions are an internal cover (50) which fits in the inside of the ridge (48), and an outer cover (52) which seals the holes (12) in the base. The use of the ventilated container prevents moist face flannels coming into contact with clothes etc but at the same time prevents objectionable odours which arise with plastic bags.
Patent DE-2555900-A1 (DE)
Title: Cleaning unit for textile machines - has suction and blower hoses and at least one sieve with flap mechanism
Inventor: JACOBI ERNST
IPC: B08B5/04
Filed: 1975-12-12
Abstract: Textile machine cleaning unit has >=1 suction hose, a sieve located between the suction hose and the suction side of a blower and >=1 blower hose connected to the pressure side of the blower. During cleaning of the sieve a flap connecting the suction side with the outside atmos. opens and a further flap connecting the pressure side with the area behind the sieve open. A sieve is positioned on the flap connecting the suction side with the outside of the sieve which is in connection with the suction hose.
Patent DE-2603887-A1 (DE)
Title: Pallet loading frame with vertical pallet magazine - has lifting platform located next to supply conveyor
Inventor: JANSON BERNT OWE
IPC: B65G57/24
Filed: 1976-02-02
Abstract: A loading station for pallets has two vertical lifting platforms (4,6) located side by side. One platform (6) carries a stack of empty pallets (3). A horizontal supply conveyor (9) is located above the two platforms such that it can discharge its load onto an empty pallet on the loading platform. In order to obtain a continuous loading operation, a pusher (13) places an empty pallet from the top of the stack (3) onto the lading platform. A gate mechanism (14-19) transfers one laod unit at a time (3) onto the waiting pallet. If required, the platform is then lowered an amount that equals the height of a load unit, in order to receive a second load unit on top of the first one.
Patent DE-2605264-A1 (DE)
Title: Differential dilatometer system for twin sample evaluation - has independent suspension for transducer coil and core within stabilised enclosure
Inventor: CLUSENER GERHARD R
IPC: G01N25/16
Filed: 1976-02-11
Abstract: The differential dilatometer is an extensometer which provides simultaneous measurement of dimensional changes in two separate samples. One of the samples has known properties and is sued as a control. A linear transducer comprising a coil and core (54) is mounted on a plate (30) clamped to an Invar (RTM) rod (16). The Invar (RTM) rod is fixed to an end plate of an enclosure (116) which can be filled with a thermostatically-controlled liquid or high-pressure gas. The core and coil of the transducer are independently suspended by pairs of Beryllium Bronze leaf springs (38, 44). Both are connected to individual push rods of similar length which extend into the tip of the probe which is inserted into a furnace. The individual bar samples are held against the respective push rods so that their differential thermal expansion is transmitted to the transducer. A micrometer screw provides zero adjustment.
Patent DE-2611073-A1 (DE)
Title: Coaxial coupling for engine and generator shafts - has flexible ring for damping resonant vibrations between engine and generator housing connection
Inventor: KIRCHPFENING MAX
IPC: F16F15/08
Filed: 1976-03-16
Abstract: The crank shaft of a combustion engine is directly coupled to an electrical generator shaft. A flange connection (4) joins the engine housing (3) to the housing of the generator set (2). In order to prevent the transmission of engine vibrations to the generator, the flange coupling includes a flexible damper ring (4). The flexible damper ring (4) is located between two equally sized mounting rings (4b) which are bonded to the flexible ring. Tapped holes (5) in the mounting rings (4b) are provided for the fixing bolts with which the engine and generator housing are attached. By selecting the correct thickness of the damper ring (4), resonance vibrations are also prevented.
Patent DE-2613583-A1 (DE)
Title: Swivelling hinged awning mounting - with additional off centre hole lockable by screw bolt to counter slit
IPC: E04F10/06
Filed: 1976-03-30
Abstract: The hinged sunblind or awning has a rod extending over its width, carrying rigidly connected shaped pieces with the hinge arms' bearing components rotatably held about the rod axis, and with an off-centre opening acting in conjunction with a counter opening on the bearing component, via a friction-generating screw bolt parallel to the rod. At least one additional off-centre opening is in the shaped pieces or bearing components (17), with its centre lying on a centre circle produced by the first opening, relative to the bearing component axis (18). This extends into the area of the counter opening (19), which is slit-shaped, when the awning is swung out of its extreme downward setting through part of its swivel zone, and at the same time there is a screw bolt to lock the additional opening in place with the counter opening.
Patent DE-2623563-A1 (DE)
Title: Oxidation hair dye compsn. - contains a hydroxy tetralin coupler and aminopyrimidine developer and dyes hair in yellow to brown shades
Inventor: ROSE DAVID DIPL CHEM DR
Filed: 1976-05-26
Abstract: An oxidn. hair dye compsn. contains a hydroxy-5,6,7,8-tetrahydronaphthalene of formula (I), (where R1 and R2 are each H, 1-4C alkyl or OH provided that >=1 is OH and X is H, 1-4c alkyl, 1-4C alkoxy or aryl) as the coupler and a conventional developer (II) for oxidn. dyes. (I) are special yellow couplerx with tetra-amino-pyridine (II) systems and result in intense yellow and brown dyes of improved heat stability. They also have esp. good light fastness. A chemical oxidant is not obligatory, air being sufficient.
Patent DE-2625111-A1 (DE)
Title: IC engine driven shrouded propeller - has exhaust afterburner arranged centrally in downstream shroud extension
Inventor: LEISTRITZ HANS KARL DR
IPC: F01N3/26
Filed: 1976-06-04
Abstract: The propulsion unit has a reciprocating or rotary engine (3) driving a shrouded (2) propeller (1). The propeller shroud (2) is extended on the downstream side to form a downstream flow chamber (31) which contains the outlet of the engine exhaust after-burner (9, 10). The engine and after-burner may be arranged in the centre of the flow chamber. The after-burner may have a heat exchanging surface (17) in common with the annular flow chamber (31). The outlet chamber (14) of the after-burner may have an inlet (15) for additional air. The outlet chamber (14) may be downstream of a reverse-flow combustion chamber (10, 11, 12) of the after-burner.
Patent DE-2631151-A1 (DE)
Title: Swivelling aerofoil for aircraft, boat or rocket - has actuator for moving longitudinally for braking or compact
Inventor: LEISTNER HANS
IPC: B64C3/56
Filed: 1976-07-10
Abstract: The swivelling aerofoil is used for aircraft, boats or rockets. The aerofoils are rotated into stowage position and hence the aircraft requires little space on parking. The wings can be used for midair braking or boosting. The aerofoil setting can also ensure soft landing for rockets. The aerofoils can be moved from their extended, horizontal or tilted position into longitudinal position so that they cover each other. The aerofoils (1, 2) are displaced also in a vertical direction during the rotation for stacking purposes. The aerfoil can have a spindle which acts in conjunction with a spindle nut held on the fuselage.
Patent DE-2632699-A1 (DE)
Title: Emergency opening tool seat for door fitting - is inserted in fitting hole with projecting surfaces with common level
Inventor: WILKE HEINRICH
IPC: E05B15/02
Filed: 1976-07-21
Abstract: The door fitting has bolt actuator in a bore, and a polygonal mandrel is pushed in on the opposite side for passing through the lock nut. The seat (12) for emergency opening tool is sunk into the hole (4) so that all projecting parts are level with door fitting surface. The emergency opening tool seat is an insert which is fastened into lock actuator so that the insert can be readily replaced. The fitting assembly has also a viewing arrangement for examining whether the door is locked. The door fitting meets requirements of hygiene and it has good appearance. The fitting prevents accumulation of dirt and it is readily cleaned. This arrangement is used in public swimming pools and in hospitals.
Patent DE-2634899-A1 (DE)
Title: Variable impedance for starting cage induction motors - uses thyristor control and introduces progressive short circuiting to adjust impedance level
Inventor: ANTOLEK ZVONIMIR DIPL ING
IPC: H02P1/28
Filed: 1976-08-03
Abstract: The object is to build a starting circuit for very large cage type induction motors without using a large number of controlling semiconductors. In the starting mode the motor (9) is connected to an intermediate busbar (2) which is in turn connected to the mains (1) through a reactor with an air gap core (3) and two mutually coupled windings (4, 5). One winding (4) is in series between supply and motor whilst the other can be short circuited by two anti-parallel connected phase controlled thyristors (6). The series reactor winding (4) is designed to absorb about 25% of the vailable voltage when the other winding is open circuit. As the motor runs up the second winding is progressively short circuited for longer periods until the short circuit reactance is reached. At this point, the motor can be switched (10) directly onto the supply (1) and the starting circuits isolated (7, 8).