baber/WOPTO huggingface dataset:
Patent DE-2633586-A1 (DE)
Title: High pressure steam valve operating lever - has bar to permanently press closure part to seat through compensating spring unit
Inventor: ZIKESCH CARL HERBERT DIPL ING
IPC: F16K31/04
Filed: 1976-07-27
Abstract: The valve operating device comprises a lever bar and is a used in a high pressure steam valve comprising a valve seat and a closure part. The lever bar has an electro-magnetic drive and operates on the valve closure part. The closure part is permanently pressed on to the valve seat, and in the bar (14, 16, 22) a compensating spring unit (17) is connected to cancel out a length difference in the area of the adjustment path. This spring unit is only effective during the closure process. Two stops (19, 20) for the spring unit are provided on the coupling bar (16) for the lever.
Patent DE-2634061-A1 (DE)
Title: Hydraulic flow regulating valve - has spring loaded control valve closing control gap on regulating valve at no flow condition
Inventor: KLEMM CHRISTIAN
IPC: G05D7/01
Filed: 1976-07-29
Abstract: The flow regulating valves works in conjunction with a spring loaded control valve arranged so that when no flow takes place the control gap on the regulating valve remains closed. The oil pressure on the supply connection is the same as on the consumer connection and the regulating valve is pressed by a spring up to the shoulder against the force of a spring, while the ring gap remains closed. If pressure medium is admitted into the valve, a line supplies pressure to the ring gap. The inner face of the control valve becomes loaded and the piston is pushed against the force of the spring until it comes to rest against the face of the housing.
Patent DE-2647085-A1 (DE)
Title: Weatherproof temp.-resistant reinforced resin sheets etc. - comprise steel wire embedded in cast polyester contg. wood flour, glass or vinylidene! chloride-acrylonitrile! copolymer microspheres
Inventor: THAMS HANS
IPC: B29C70/36
Filed: 1976-10-19
Abstract: Wood flour or coconut flour plus hollow microspheres of glass or of a vinylidene chloride-acrylonitrile copolymer are mixed with catalyst and resin binder (pref. high impact polyester), diluted to reduce viscosity, and cast into an open mould containing a positioned reinforcement of braided wire with a light material at its points of intersection. The prod. has high weather and thermal resistance and low weight, and is mfd. at low cost.
Patent DE-2652106-A1 (DE)
Title: Telephone station for intercom and door telephones - has rectangular speaking key operating by projection switches on case bottom
Inventor: HEPPNER H MANFRED
IPC: H04M1/02
Filed: 1976-11-16
Abstract: The telephone station comprises a case consisting of a bottom part and a cover, holding the electrical components including a loudspeaker. At least the rectangular operating key used as a speech key is hinged on the cover. When pressed down it operates a contact, and when released returns to its initial position. The operating key (50) operates by a projection (55) an operating flap joined by a film hinge to a plastic case component. The flap in turn operates operating elements of switches on the case bottom. When released, it resets the operating key (50).
Patent DE-2656585-A1 (DE)
Title: Flexible cover plate for power supply cables - uses self supporting plates hinged together between fixed point and machine tool
Inventor: HENNIG KURT
IPC: B23Q11/08
Filed: 1976-12-14
Abstract: The cover plates for the power supply cables for a machine tool are formed from individual plates (9, 10), with curved ends. The radius of curvature of these ends is such that the ends (9b, 10b) of one plate fit inside the end (9c, 10c) of an adjoining plate to form links of a chain. The plates are joined by side links (8) with rounded ends which fit inside the curved ends Adjacent links are joined together by a pivot bolt (11). The power cables pass between the plates and each pair of plates can move relative to the adjacent pairs to suit the shape taken up by the flexible cable. The cover plates can also be used to protect the guide rails of a machine tool when they are not covered by the slide.
Patent DE-2702565-A1 (DE)
Title: Transfer characteristics checking of SECAM coder - involves use of normal oscilloscope by generating specified colour bar pattern
Inventor: ILLETSCHKO GERHARD
IPC: H04N17/02
Filed: 1977-01-22
Abstract: The tester, for checking the transfer characteristics of a SECAM coder, generates a colour bar test pattern. The colours of the bars are chosen as regards symmetry about the centre frequency of HF preemphasis such that the colour carrier frequency modulated by the colour bar test signal has the same voltage level on a normal oscilloscope screen. The colours of the bar pattern are determined by signals of specified frequencies. The advantage lies in using a normal oscilloscope to check SECAM coders.
Patent DE-2703920-A1 (DE)
Title: (14,15)-Dihydro-eburnamenine derivs. - (14,15)-Dihydro-eburnamenine derivs.
Inventor: PFAEFFLI PAUL DR
IPC: C07D461/00
Filed: 1977-01-31
Abstract: New 14, 15-dihydroeburnamenine derivs. are of formula (I) (where R is H, 10- or 11- halogen, 11-amino, 11-formamido or 2-5C 11-alkylamino) (Ie and their acid addn. salts are psychostimulants and increase vigilance. (I) can be used to treat cerebral vascular disorders, cerebral sclerosis, cerebral insufficiency and loss of memory resulting from knocks on the head. (I) are prepd. by hydration in the 14, 15-posn. of the corresp. (3S,16S)eburnamenine in the presence of a noble metal catalyst, e.g. platinum oxide.
Patent DE-2707625-A1 (DE)
Title: Hinged brake lever for safety ski binding - has compressed coil spring to rotate lever to operating position via crank arm
Inventor: STORANT RALF
IPC: A63C7/10
Filed: 1977-02-23
Abstract: The heel clamp on a safety ski binding also includes a hinged ski brake lever. In its normal position, the inner end of the brake lever is forced against the ski surface by the ski boot heel, thus making the brake not active. When the ski boot is removed from the building, the brake lever is released. A compressed coil spring in the clamp housing rotates the brake lever into its operating position by a crank arm on the common pivot shaft. The two ends of the brake lever thus protrude from the ski above and below it.
Patent DE-2708029-A1 (DE)
Title: Heat pump driven by engine exhaust - has air compressor for convection at evaporator and choke controlled by evaporator icing sensor
Inventor: BOGDANSKI FRANZ DIPL ING
IPC: F24D11/02
Filed: 1977-02-24
Abstract: The heat pump circuit contains an i.c. powered compressor with an evaporator taking heat from outside and an exchanger giving off useful heat. Air movers (13, 14) in the air duct (5) produce forced convection at the evaporator (4). Upstream of this is a heat feed (12) supplied with waste gas heat and/or waste heat from the cooling system of the i.c. engine, and upstream of the feeder is a choke (16, 17, 18). The choke responds to a sensor (19) signalling icing at the evaporator by briefly and partly choking back the air supply to reduce air throughput and thus raise heat through the heat feeder (12). The air movers include a fan (14) which can be driven directly by the i.c. engine exhaust or through a waste gas turbine (13).
Patent DE-2708498-A1 (DE)
Title: Pre-punching tool for rod cut=offs - has two opposite coaxial punches working against hydraulically loaded support plates
Inventor: BIDO WILHELM ING GRAD
IPC: B21J9/04
Filed: 1977-02-26
Abstract: The pre-punching tool is for the production of seamless rings from rod cutoffs and eliminates the use of bottom dies for centering the blanks. The circular cutoffs are placed by a coordinate-controlled manipulator onto one of the three operation stages comprising upsetting, pre-punching and piercing. The two punches are coaxially oppositely fitted in respective holders on the table and ram. Each punch is provided with a yielding support plate, with a hole through which the punches project during operation. The axial movement of the plates takes place against the hydraulic pressure of pistons sliding in cylindrical bores fed with pressurised fluid-cum-coolant through the inlet.
Patent DE-2710732-A1 (DE)
Title: Movable electrical cable with plug coupling with lock - has moulded bell shaped housing with plate latching via internal clamping limb
Inventor: WEBER WILHELM
IPC: H01R13/58
Filed: 1977-03-11
Abstract: A plug coupling for a movable electrical cable. It consists of an insulated housing with a coupling plate at the front and back with two plug-in holes for the plug pins. There are two contact sockets with shoulders in opposite direction. The coupling plate is hinged to the shoulders. The housing (1) is moulded in one piece in the shape of a bell. The coupling plate (3) is latched inside the housing by a flexible clamping limb (5). The clamp links up with the external locking elements (7) which will mesh with the counterpart on the socket. The electrical conductor (2) is rigidly clamped inside the housing.
Patent DE-2722817-A1 (DE)
Title: Transparent double plastics wall panel for hall erection - has lengthways grooves and ridges on inside for heat reflection
Inventor: SCHNEIDER ROLF
IPC: E04C2/54
Filed: 1977-05-20
Abstract: The panel-shaped wall element (1), is of extruded and pref. transparent plastics. It is made up from two panels held at an interval apart and interconnected by cross arm stems, as used in gymnasiums and similar hall or hangar-type buildings. The inside surfaces of the panels and/or cross arm stems are fitted with lengthways aligned grooves and ridges (7, 8) pref. all of the same depth or height. These may form an angular or convex or concave surface between two cross arm stems. They may be rectangular, acute-angled or corrugated in cross-section. This provides for heat rays to be largely carried away by reflection, without reducing transparency.
Patent DE-2723350-A1 (DE)
Title: Prepn. of 4-hydroxy-anthrone and novel derivs. - from 2-halomethyl phenyl haloformate(s) and benzene cpds.
Inventor: PETRUCK GERD-MICHAEL DR
IPC: C07D313/12
Filed: 1977-05-24
Abstract: Prepn. of 4-hdyroxyanthrones of formula (I) below: (where R1-7 are H, OH, halogen, CN; 1-4C alkyl, alkoxy, alkylmercapto, alkylsulphonyl; CF3, CCl3, or -NR8R9; R8 and R9 are H, 1-4C alkyl, or (1-4C alkyl)carbonyl) c omprises reacting at 0-300 degrees C in the presence of a Friedel-Crafts catalyst and opt. a solvent, an o-halogenomethyl-phenylhalogenoformate of formula (II) above in which X' and X2 are each halogen, with a cpd. of formula (III) above. (I) are novel in which halogen in R1-7 is F, Cl or Br and R1-7 are otherwise as defined above provided 1 or R1-7 is other than H or methyl. (I) are intermediates in the prepn. of vat dyes. Process is simpler and gives higher yields than the known process from phthalic anhydride and phenol.
Patent DE-2726739-A1 (DE)
Title: Air stream guides for sides of lorry cab - are fitted with louvres to drag air from front of cab and prevent soiling of side windows
Inventor: KLEIN MICHAEL VON
IPC: B60S1/66
Filed: 1977-06-14
Abstract: Quadrant shaped air scoops are fitted to the front corners of the lorry cab to draw air from the pressure zone at the front of the cab and direct it over the side panels. This keeps the doors clear of dirt, as well as the front of the vehicle. To increase the scoop effect the outside surface is covered by angled louvres (6a) so that air is dragged into the scoop by the air entering the louvres. The design provides a good cleaning effect even at low speed.
Patent DE-2745770-A1 (DE)
Title: Opto-electronic non-contact signal transmission - allows transmission between stator and rotor of rotating electrical machines by use of frequency converter
Inventor: BERTHOLD RAINER DIPL PHYS
IPC: G08C23/04
Filed: 1977-10-12
Abstract: An opto electronic signal transmission system is used with rotating electrical machinery to avoid the problem of transmission errors due to the influence of the high power electrical and magnetic fields. An LED (34) is located in the stator and transmits light over a fibre optic bundle (36) to a cell (44) that has the signal rectified, (48). A resistance bridge with an associated temp. sensor (52) provides signals for a frequency converter (16). The emitted signals are transmitted back to the stator and to a light sensitive detector (24). A decoder (28) provides signals (30) for monitoring speed.
Patent DE-2747470-A1 (DE)
Title: Strip clamping mechanism for strapping machine - has eccentric jaw turning for limited angle on disc eccentrically mounted on spindle
Inventor: SCHORR SIEGFRIED ING GRAD
IPC: B65B13/02
Filed: 1977-10-22
Abstract: The strip clamping mechanism is particularly for hand-operated strapping machines, having two clamping faces holding the strip between them, one on an eccentric clamping jaw rotated by a spindle. The eccentric jaw (16) is mounted eccentrically on an intermediate disc (15), on which it can turn for a limited angle. The disc in turn is eccentrically mounted on the spindle (10). Angular rotation can be limited by a pin (18) protruding from the disc periphery, and working in a peripheral slot (19) in the jaw.
Patent DE-2751239-A1 (DE)
Title: Inflammable gas anti-explosion system - uses flame chamber with throttle opening and air lock interconnected with inlet line
Inventor: GERMERDONK ROLF DR
IPC: A62C4/04
Filed: 1977-11-16
Abstract: The system for preventing lighting back of inflammable gases resulting from an industrial process, uses a combustion chamber (4) for the gases. A branch line (1) from the main supply line (2) for the gases is connected by a liquid air lock (3) to the combustion chamber. Opposite the flame (7) at one side of the chamber is a throttle opening (8) of constant size. An outlet at the bottom of the chamber is connected to a further liquid air lock. This has a vessel (13) which holds liquid supplied from a tank (14) alongside, with a pipe (15) between them. The tank has a coil (17) connecting it to the supply line (2) and also a vertical outlet pipe (11). This has an outlet valve (20) controlled by a level monitoring system (21) for the tank.
Patent DE-2758951-A1 (DE)
Title: Receiver for community antenna TV system - shares level and frequency control between all channels
Inventor: BUCHTA KARL DIPL ING
IPC: H04N7/10
Filed: 1977-12-30
Abstract: The receiver, for community antenna t.v. systems, requires relatively few components for channel-selective level and/or frequency control. All channel signals share the same level and/or frequency control (6-8). This control is switched cyclically to the separate receive channels (Kl-Kn). Each channel signal has its own variable-gain amplifier (or attenuator) and each amplifier has a memory (9) to retain the gain control signal until the next control signal arrives.
Patent DE-2805807-A1 (DE)
Title: Construction kit for cladding system - allows framing and arrangement of cladding panels using profiles with U=shaped angled edges
Inventor: WINKLER BERNHARD PROF
IPC: E04B2/88
Filed: 1978-02-11
Abstract: The construction kit consists of metal or synthetic hollow profiles, resp. solid timber profiles, connected to frame cladding panels, which are fastened to a base frame. The kit has hollow or solid corner profiles; horizontal surface assembly profiles; similar vertical surface subassembly profiles. These are water repellent profiles for positioning on window lintels and below window sills; similar profiles above window-and door lintels; and soffit profiles for the windows and doors. The profiles have U-shaped angled edges, with long slots in the end flanges. The water repellent profiles have reinforcing noses and fastening flanges.
Patent DE-2806327-A1 (DE)
Title: Foam concrete prodn. - using naphthenic acid amino-alkylamide betaine as foaming agent
Inventor: SCHREY ALBERT
IPC: C04B24/12
Filed: 1978-02-15
Abstract: Prodn. of foam concrete (aeroconcrete) is carried out by mixing the concrete-making materials with a foamed aq. soln. of a surface-active naphthenic acid aminoalkylamide betaine, pref. of formula R1N circled positive H-R2-NR3R4-R5-COO circled negative. (I) (where R1 is a naphthenic acid residue; R2 is 2-6C alkylene; R3 and R4 are lower alkyl; R5 is lower alkylene). The product has a uniform pore structure, good heat resisting and insulating properties, and sets in a short time with the minimum of shrinkage. It can be used for the mfr of building boards, steel casting equipment, etc.
Patent DE-2815286-A1 (DE)
Title: Handle attachment coffin fitting - has handle with trunnions and cranked portions at ends pivoting in eye-bolts with stop faces
IPC: A61G17/04
Filed: 1978-04-08
Abstract: The coffin fitting with handle has a bar forming the handle pivoting in eyes formed in the heads of tow fixing screws, its pivoting movement being limited by a stop. Each end of the handle (2) forms a trunnion, and has a cranked portion (24) connected to the trunnion. A face (33) is formed on the eye parallel to the trunnion, against which the cranked portion of the handle bears when swung out. The faces can be on the sides of the eyes towards each other.
Patent DE-2820774-A1 (DE)
Title: Synchronising system for vehicle gear change - has synchronising ring with lugs acting in conjunction with inclined surfaces
Inventor: STREHLER RICHARD
IPC: F16D23/06
Filed: 1978-05-12
Abstract: The synchronising arrangement is for the gear change in a motor vehicle. The blocking lug (23) of the synchronising ring (21) has a circular cross-section. The switching sleeve openings in the teeth correspond to the number of blocking lugs in the synchronising ring (21). These openings accommodate blocking elements (27) with inclined faces. On actuating the switching sleeve (13) the synchronising ring (21) rotates relative to the synchronising element (10) and the ring is connected by its lug (23) with the blocking surfaces.
Patent DE-2821084-A1 (DE)
Title: High energy ignition system for IC engine - has additional energy store which can be discharged with specified time delay after first energy store
Inventor: LEUSSINK REINHARD
IPC: F02P3/05
Filed: 1978-05-13
Abstract: The ignition system for an IC engine has an energy store which can be discharged by a controlled switch. It generates in a transformer secondary winding at least one HV ignition pulse for the sparking plug. At least one further energy store is provided and the discharge of this store can be delayed by a specified time in an allocated delay device. The system gives two successive sparks of a spark of longer than normal duration, with the total spark energy being greater than in normal practice.
Patent DE-2821675-A1 (DE)
Title: Securing catch for ignition lock - includes tooling hole for release bolt in conjunction with key
Inventor: WITTWER REINHARD
IPC: B60R25/021
Filed: 1978-05-18
Abstract: The ignition lock is mounted inside a special protective shell (10) and secured by a security bolt (35) to prevent a thief from forcing the lock. The lock is fitted by having a special tool holding back the bolt as the shell is screwed into place. After the tool is withdrawn and the lock operated by the key the security bolt locks the mechanism onto the shell. The lock can be removed with the special tool and the correct ignition locks so that damaged locks can be replaced. The protective shell prevents forcing of the lock.
Patent DE-2822659-A1 (DE)
Title: Joint cutter for wood rule - has conveyor belt reversible to permit work on both workpiece ends
Inventor: BERGER ALFRED ULLRICH
IPC: B27M3/00
Filed: 1978-05-24
Abstract: Transversely movable workpiece carriers have clamping devices for cutting very small teeth or prongs. A chipping saw assembly trims the protruding workpiece ends, with cutters for forming prongs at both ends as the workpiece ends are led past. The workpiece carriers for delivering the completely worked workpiece are in the form of a continuous conveyor belt, reversible into a direction opposite to the direction of discharge. There may be a movable stop with the workpieces on the belt coming to rest against it while the belt is moving in the opposite direction.
Patent DE-2823133-A1 (DE)
Title: Shock-absorbing load transfer block for rolling mills - comprising hydraulic cylinder with pneumatically cushioned pressure relief valve
Inventor: PETRY ALFRED HENRY
IPC: B21B31/02
Filed: 1978-05-26
Abstract: A load transfer block for a prestressed rolling mill includes a hydraulic cylinder having a pressure relief valve biassed to the closed position by gas pressure which is correlated with the determined max working load on the cylinder. Pref. the pressure of the hydraulic supply is adjusted to that necessary to relieve the prestress to the extent necessary to roll work to the desired thickness, and the gas pressure and volume are arranged to maintain that pressure but to provide shock absorption in the event of instantaneously loading resulting from the breakage of, or passage of the trailing end of a workpiece. The full impact of the full pre-stressing force of the mill is relieved.
Patent DE-2824493-A1 (DE)
Title: Sealing ring for sliding parts - has concave periphery and spring ring for holding on ribbed circumference
Inventor: GOETZENBERGER RUDIBERT DIPL IN
IPC: F16J15/3204
Filed: 1978-06-03
Abstract: The sealing system is used for a cylindrical part fixed or sliding in a hollow cylinder. The sealing ring is placed into a circumferential groove of a plastics sealing ring. Thermal expansion of the plastics material does not affect light sliding fit of the seal. The sealing ring (2) has smooth cylindrical bore resting on circumferential ribs (11) of the cylindrical part (1). The outside periphery of the sealing ring (2) has concave profile with raised end rims (22). This sealing ring is held on circumferential ribs (11) by a spring ring (3). The latter is held between two ribs (21) on the concave part of sealing ring.
Patent DE-2828037-A1 (DE)
Inventor: BUHR GERHARD DIPL CHEM DR
IPC: C08L61/04
Filed: 1978-06-26
Abstract: A positive-working light-sensitive mixture for the preparation of printing plates, in particular planographic printing plates, and photoresists is described, which comprises an alkali-soluble binder, preferably a novolak, and an o-naphthoquinone diazide of the formula <IMAGE>  (I)  in which R1, R1', R2 and R2' are identical or different and represent hydrogen, chlorine or bromine atoms, alkyl, alkoxy or alkoxyalkyl groups having 1 to 6 carbon atoms or alkenyl groups having 2 to 6 carbon atoms, R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R4 represents a hydrogen atom, an optionally substituted alkyl group, the carbon chain of which can be interrupted by ether oxygen atoms, an optionally substituted cycloalkyl group having 5 to 16 carbon atoms or an optionally substituted alkenyl group having 2 to 16 carbon atoms, n represents zero or an integer from 1 to 4 and D represents a 1,2-naphthoquinone-2-diazide-sulfonyl group. The new naphthoquinone diazides are distinguished by a high solubility in organic solvents and by good reprographic properties.
Patent DE-2832371-A1 (DE)
Title: Hydraulic rotary thrust unit for ship or construction machine - has rotatable piston engaging screw thread inside cylinder and steeper ditch thread on thrust output shaft
Inventor: KEMP OTTFRIED
IPC: F15B15/08
Filed: 1978-07-22
Abstract: The hydraulically or pneumatically powered rotary thrust unit comprises a cylinder (1) contg. a rotatable and axially movable piston (5). The piston has an external screw thread (6) engaging an internal screw thread (4) in the cylinder and an internal thread (7) engaging a thread (8) on an output shaft (9) rotatably carried (12) in the cylinder (1) housing (3, 11). The pitch angle (alpha 1) of the thread (7, 8) is steeper than that (alpha (2) of the thread (6, 4). The ratio alpha 2/alpha 1 may be around 0.4 to 0.6. The threads may be tapped deeper than the normal profile to ensure passages for the hydraulic oil (15, 16, 17 and 14, 19, 20), or thread windings may be interrupted for that purpose.