baber/WOPTO huggingface dataset:
Patent DE-2749105-A1 (DE)
Title: 17-Alkynyl-17-hydroxy-18-methyl-4,15-oestradiene-3-one derivs. prodn. - from intermediates with ethylene di:thioketal protecting group
Inventor: HOFMEISTER HELMUT DR
IPC: C07J1/00
Filed: 1977-10-31
Abstract: In the prodn. of DELTA15-steroids of formula (I), a 17-oxo-steroid formula (II) is subjected to alkynylation: In the formulae R1 is H, trialkylsilyl or acyl, R2 is chloroethynyl or propynyl, and A-B = carbon-carbon double bond of the grouping-C15(OR1)-c16-in which R1 is H or a silyl, acyl, sulphonyl or nitro group. (I) have steroid hormone properties and can be used as pharmaceuticals. The ethylene dithioketal (II) is produced from the parent ketone in almost quantitative yield, the dithioketal grouping being stable during the alkynylation reaction but readily removable afterwards. Removal of the dithioketal protecting group yields a uniform product with 4-ene structure, the process of parent specification DT 2636405 (protection of the 3-keto gp. with 2,2-dimethyl 1,3-propanediol) yields a mixture of 5(6)- and 5(10)-ene isomers which has to be sepd. by chromatography.
Patent DE-2806338-A1 (DE)
Title: Switch with indicator lamp - is in two parts with channels in side walls and aperture in dividing wall for leads
Inventor: BAER SIEGFRIED
IPC: H01H21/02
Filed: 1978-02-15
Abstract: The switch consists of a housing with two parts. The upper part (11) contains an indicator lamp (14) and the lower part the switching mechanism with its contacts. The lower part fits into the upper part leaving channels along the sides so that the switch contacts can be led out as terminals. The lamp leads (21) pass into the channels and are connected with the respective contacts (48, 49). A U-shaped cut-out (22) in the dividing wall (18) provides a spring tongue (23). The free end of the latter (23) has a projection (28) providing a positioning piece for the contact (48).
Patent DE-2810152-A1 (DE)
Title: Central heating temp. control system - has damp proof ambient temp. thermostats connected to multiple thermostats for regulating burner
Inventor: VIESSMANN HANS
IPC: G05D23/13
Filed: 1978-03-09
Abstract: The temp. control system is for central heating equipment using hot water, having an ambient temperature detector connected to the boiler burner control circuit. This detector is divided into two damp-proof encapsulated thermostats (1, 2) each having a fixed predetermined temp. reaction value. These individual thermostats are connected to a multiple one (4) cutting the burner in and out (3) and incorporated in the boiler control circuit. the number of switching stages (5) of the multiple thermostat is one greater than that of the outside thermostats (1, 2).
Patent DE-2814132-A1 (DE)
Title: Mechanical vacuum pump with polyethylene oxide sealing liquid - is useful in sterilisation plant operating with ethylene oxide
Inventor: RANNOW MICHAEL
IPC: F16J15/40
Filed: 1978-04-01
Abstract: Liq.-tight mechanical vacuum pump has a sealing liq. of polethylene oxide (PEO) or other ethers with similar properties. The pump is a positive displacement pump, i.e. rotary piston pump, (rotary) slide valve pump, liq. ring pump etc. It is esp. useful for sterilisation plants operating with ethylene oxide (EO), e.g. in the cellulose industry and the mfr. of (disposable) medical equipment for the removal of the strongly toxic EO remaining after sterilisation. Unlike ordinary machine oils PEO is not attached by EO and hence retains its lubricating properties for long periods. Since the EO is not contaminated by PEO, it can be recycled, thus reducing costs and environmental pollution.
Patent DE-2820709-A1 (DE)
Title: Regulating pH in a low ion concn. potentiometric measuring system - passing sample over membrane contacting acid or base
Inventor: DIGGENS ALBERT ALFRED
IPC: G01N1/10
Filed: 1978-05-11
Abstract: The process for a current sample involves passive addn. of a basic or acid reactant without dilution a introduction of interfering ions, reactive ions, or ions of the type being measured. The current is circulated on one face of an inert membrane which is permeable to reactants and impermeable to ions and non-wetting. The other membrane force is in contact with a reserve of reactant. Particular processes as above are (a) for increasing the pH by continuous circulation of the current on the face of a membrane also in contact with a low molecular weight basic reactant; esp. a system for measuring Na ion activity using a piperidine reserve and also using an ammonia reserve and (b) for decreasing the pH as above using a low m.w. acid reactant and esp a system for measuring Cl ion activity using an acetic acid reserve. The process gives a rapid adjustment, enables no dilution or a cumbersome absorption appts as is required when ammonia gas is used which also introduces impurities. Also no dosing, mixing or pumping machines are required. Specified reactants are ammonia, piperidine, dimethylamine, formic acetic, propionia acids, HCl and HI. Specified membrane materials are silicone rubbers, silicone/polycarbonate copolymers, microporous polypropylene and microporous TEFLON (RTM).
Patent DE-2821436-A1 (DE)
Title: Increased capacity car transporter - has flat bed construction to carry one car, with second towed on lifting boom
Inventor: WITTICH MANFRED
IPC: B60P3/12
Filed: 1978-05-16
Abstract: The towing vehicle has a telescopic crane boom pivoted on the rear as well as a flat bed construction on the rear, when the boom is lowered and retracted. Side plates on the rear can be extended to allow a vehicle to be driven onto the back for transport. The end of the loading boom has an angled pivot with two flat frames. These can lift the front wheels of a second vehicle to tow it behind the loaded vehicle. The towing vehicle can thus lift and transport at least two cars.
Patent DE-2829699-A1 (DE)
Title: Domestic smoothing press with humidifying arrangement - has paired nozzles isolated from electrical equipment, fed by foot pump
Inventor: BANN HELMUT
IPC: D06F71/32
Filed: 1978-07-06
Abstract: Atomising nozzles to which the fluid is delivered by a foot or hand operated pump, are aligned to the board of a domestic linen smoothing press. The fluid atomising nozzles are installed in the wall of a box fitted to the press so that they are isolated from the electrical equipment. The nozzle are in pairs and have microbores across which lead wires are positioned for applying the finely atomised fluid to the linen. Non-return valves work with the pump to isolate the fluid reservoirs from the nozzles, and the moistening of the linen is both improved and simplified.
Patent DE-2830331-A1 (DE)
Title: Rotation-cast polyurethane pneumatic tyre - using salt mould-core and fixing belt with rows of polyurethane pins
Inventor: ANDERS UWE DIPL PHYS
IPC: B29D30/06
Filed: 1978-07-10
Abstract: Mfr. of pneumatic tyres with belt reinforcement, using a mould core comprises fastening a belt with inwardly directed polyurethane pins at the zenith of the core; introducing the core holding the belt in position, into a mould; and centrifugally moulding the tyre from rotation-cast polyurethane. The core is made of a salt mixt. of sufficient mechanical strength. The pins are arranged side-by-side, in several radial planes. Both outermost rows of pins are supported in circumferential grooves of the core. The resulting tyre is dimensionally stable, i.e. it does not tend to "swell" during driving at relatively high speed.
Patent DE-2836007-A1 (DE)
Title: Hollow fibre dialyser - has pref. disc-shaped header with annular region for tangential entry of inlet or outlet pipe
Inventor: SIGDELL JAN E DR MED
IPC: B01D63/02
Filed: 1978-08-17
Abstract: The interior of the heater is divided into two sub-chambers; one sub-chamber constitutes an annular space in which the feed or discharge pipe enters, while the other sub-chamber is designed for receiving a combined circular and radial flow. Pref. this second sub-chamber is of flat annular shape and the ends of the annular bundle of hollow fibres lead into it. With this arrangement, the first annular sub-chamber containing the feed or discharge pipe may be either arranged in the centre of the flat annular sub-chamber or around its periphery. An improved uniformity of distribution of the fluid in the header is obtained and the tendency for blood platelets to become stagnant within the header is considerably reduced.
Patent DE-2836667-A1 (DE)
Title: Support frame for upholstered seat - consists of base, extension and armrest sections joined by crosspieces and t-shaped sections
Inventor: BERGER FRITZ
IPC: A47C17/04
Filed: 1978-08-22
Abstract: The support frame (1) for separate upholstered sections made of foam and in the form of a seat, consists of two or more parallel, straight base sections (15) between which are straight extension pieces (2) and armrest pieces (13). One end of the base pieces (15) has a crosspiece (14) whilst the other end has a T-shaped section (16). The armrest sections (13) point upwards from the plane of the base pieces (15). The bottom sides of the armrest (13) and the straight extension are joined to the cross-pieces (14) or T-shaped pieces (16) of the base sections, into openings (17, 30) at the end.
Patent DE-2837803-A1 (DE)
Title: Imaging and illumination system for microfilm reader - has diffusor inserted between lens and screen during fast film transport
Inventor: ZEUTSCHEL HEINZ ING GRAD
IPC: G03B21/11
Filed: 1978-08-30
Abstract: The microfilm reader can be used to view stationary film frames or a moving film strip and upon the transport speed of the latter reaching a given value, a diffuser is inserted between the imaging lens and the viewing screen, to prevent a sharp image being obtained. At the same time the overall brightness of the screen remains practically unaltered, to avoid flicker. Pref. a motion sensor monitors the film transport speed and is coupled via an amplification and logic stage to the drive for moving the diffuser into the light path.
Patent DE-2841718-A1 (DE)
Title: Multidimensional shaft alignment system - uses yokes connected to shaft ends with test connection between shafts made via universal joints
Inventor: MALAK STEPHEN
IPC: G01B7/31
Filed: 1978-09-25
Abstract: An apparatus is used for statically aligning a first shaft with a second shaft prior to their being connected. One shaft is a reference shaft to which the other shaft is aligned, the apparatus comprising two universal joints having a connection between them. One joint is removably mounted to one of the shafts. Each joint has a sensing device to provide a signal to an axial reference system indicating angular orientation of the two yokes that comprise each joint. The sensing device ascertains axial and/or radial misalignment of the two shafts. Adjusting the position of the second shaft varies the output of the sensing device on each joint. Alignment of the two shafts is indicated by the axial reference when the two yokes of each joint are shown to be properly oriented with respect to each other.
Patent DE-2842769-A1 (DE)
Title: Polymeric separator for alkaline accumulator for electric vehicles - and analytical processes for determining its efficiency as a barrier to the penetration of free zinc
Inventor: BUCCI GIUSEPPE DONATO
IPC: H01M50/417
Filed: 1978-09-30
Abstract: Separator which selectively porous to electrolyte, consists of a copolymer which comprises a non-hydrolysable and non-oxidisable polymer (A) of relatively high mol wt., carrying pendant chain terminal polar radicals. This copolymer forms a barrier to the penetration of free Zn. The polymer (A) is pref. polyethylene, polypropylene, or polystyrene, and has over mol. wt. >=20,000, pref. copolymer is of ethyleneacrylic acid. Polymeric material of this type can be analysed to estimate its suitability as a separator for an alkaline accumulator by (b) introducing the material into a container under a layer of H2O, passing an inert gas upwards through the material, and determining the gas pressure at which bubbles appear in the H2O; (b) determining the average pore size, (c) determining the resistivity; (d) exposing the material to an alkaline electrolyte at high temp. for a long time, and analysing the material by infra-red spectroscopy and scanning electron microscopy; (e) using the test piece in an alkaline accumulator functioning normally for >=20 complete cycles of charge and discharge, then developing the radiographic chart of elementary Zn to determine whether the penetration of Zn has taken place; (f) determining the rate of diffusion of Zn by potentionmetry.
Patent DE-2847015-A1 (DE)
Title: Electric signal transmission system - uses radiating and receiving devices with receiver modulated and output signals added and demodulated
Inventor: REGISTRAR JEHANGIR PESTONJI
IPC: H04B10/00
Filed: 1978-10-28
Abstract: The two devices are mounted on two parts movable at an angle to each other. Radiating devices are mounted on one of the parts, and radiation receiving devices on the other. At least one radiation sensitive device is illuminated by at least one radiating device in all positions of the movable parts. All radiation receiving devices are modulated in phase with each other, in accordance with the magnitude of the input signal, and their output signals are added. Demodulators are used to demodulate the sum signal and deliver a signal corresponding to the signal applied to the modulator.
Patent DE-2848742-A1 (DE)
Title: Heated windscreen washer for car - has by=pass line for engine coolant to heating coil in fluid reservoir
Inventor: SCHOLL HARALD
IPC: B60S1/48
Filed: 1978-11-10
Abstract: A fluid heater for a car screen wash reservoir has a heating coil inside the reservoir supplied with warm coolant from the engine circuit by tapping into the supply and return lines from the vehicle interior heter. The design ensures that the coil is supplied with warm fluid even with the heater switched off. The tappings can also be coupled to a second tapping to supply a preheater as a coil around the line immediately under the screen jets. This ensures that the washer fluid does not cool before reaching the jets. The design provides a simple screen wash heater which operates even with the vehicle heater switched off.
Patent DE-2849130-A1 (DE)
Title: Ultrasonic echo pulse imaging system for medical diagnosis - uses TV monitor display with alternate line modulation during successive frames
Inventor: HASSLER DIETER DIPL ING
IPC: G01S7/52
Filed: 1978-11-13
Abstract: The imaging device display received echo pulses as a t.v. line image. The patient is linearly scanned with the respective echo signals entered in a buffer store, with alternate line read-in and read-out. The ultrasonic applicator, the buffer store and the t.v. monitor system are all associated with a line scan control. This divides the screen by the number of t.v. lines required to display a complete ultrasonic scan line, with this number of lines modulated by the echo signal information, the remaining lines staying dark. On the following image frame the latter lines are modulated by the echo signal information, to provide a total image by cyclic alternation of the lines receiving the modulation signals.
Patent DE-2901385-A1 (DE)
Title: Contacting appts. has fixed drum contg. rotor - composed of transverse discs carrying mixer buckets and mounted on rotor shaft by clamping rods
Inventor: HAMILTON JOHN
IPC: B01F7/02
Filed: 1979-01-15
Abstract: A contact apparatus for contacting liquid-liquid or liquid-solid combinations comprises a stationary drum contg. a rotor with scoops or buckets for the materials to be contacted. The rotor comprises a horizontal shaft, supported at both ends, and a pair of end plates fixed to the shaft and held together by clamping bars parallel to the shaft; a series of transverse discs are spaced at intervals along the clamping bars between the end plates and carry the internal buckets. Pref. the discs have openings for seating the buckets, the openings of one disc being staggered angularly relative to those of the adjacent discs, so that each bucket extends from a first disc through a second disc to a third disc.
Patent DE-2916716-A1 (DE)
Title: Transistor-switched power module - has overload protection current transformer between bridge rectifier and oscillator-driven transistor
Inventor: HORSTKOTTE RAINER
IPC: H02H7/12
Filed: 1979-04-25
Abstract: Fast and extensive tracking of switched power module operating over a wide range of voltages is ensured by a current transformer. The secondary of the latter is between the bridge rectifier and transistor switch driven by variable pulse-width signals of an oscillator. The duty factor of the pulse train determines the voltage at the power module output terminal. The secondary of the current transformer is connected to the load and to a threshold detector responding to the load voltage irrespective of temp. effects. Its operating voltage is binary controlled by a resistor, through which output current flows, and with a transformer in series with a h.f. clock generator shunting the resistor via a switch.
Patent DE-2922714-A1 (DE)
Title: Meat salting machine - with two pairs of rollers spiked with hollow needles and yielding slide rails
Inventor: SOMMER HANS
IPC: A23B4/28
Filed: 1979-06-05
Abstract: A machine for the injection of brine into pieces of meat to be salted consists of two pairs of rollers, spiked with injection needles. Parallel rails are arranged between the planes of the needles and are supported by spring-loaded columns at each end. A belt conveyor charges the pieces of meat into the gap between the rollers. This machine distributes the brine quickly and uniformly, and with a minimum of spillage. The tenderising cutters of conventional devices are not necessary.
Patent DE-2923384-A1 (DE)
Title: Animal stall partition frame - includes strip secured to shank and cross-member and by tensioner to other shank
Inventor: KRISTEN WILHELM
IPC: A01K1/00
Filed: 1979-06-08
Abstract: The partition frame is for use between animal stalls. It has a U-shaped body whose shanks, protruding downwards from the cross-member, are fixed to the floor, while a strip of flexible material is held taut between them. The strip has, alongside its portion leading to one of the shanks (5), a portion extending upwards approx. to the level of the cross-member, and fixed to this shank or the cross-member. Its portion nearest to the other shank secured to the latter by a tensioning device of adjustable length.
Patent DE-2926859-A1 (DE)
Title: Fading-resistant diazo microfilm - has cellulose ester layer with specified degree of hydrolysis determined by IR method
Inventor: PIALCZAK EDWARD C
IPC: G03C1/60
Filed: 1979-07-03
Abstract: Fading-resistant diazo microfilm has a layer of partly hydrolysed cellulose ester (I), min. 12.7 micron thick, and a light-sensitive 2-component diazo compsn. contg. an acid-stabilised combination of a light-sensitive diazonium cpd. and a suitable coupler, opt. on a polyester film base. The novel feature is that (I) has a degree of hydrolysis adjusted by the ratio of the IR absorption at 5.8 and 6.1 micron to 0.5-1.5. The depth (degree) of hydrolysis of the (I) film base can be determined easily by the IR method. Pref. (I) consists of a cellulose alkanoate and is ca. 5 micron thick.
Patent DE-2928698-A1 (DE)
Title: Dispenser for liq. bearing particulate abrasive material - has fluid fed through nozzle to mixing chamber to pick up abrasive material in suspension
Inventor: GRIFFITHS NORMAN JOHN
IPC: B05B7/14
Filed: 1979-07-16
Abstract: The dispenser(10) is for cleaning or cutting fluid in which particulate abrasive is in suspension. The dispenser has a hollow body(12) with a central bore(13). The fluid is fed to the dispenser through an inlet stub(15) which feeds into the bore. On the other side of the bore is the outlet of the dispenser(17). Between the two access points is a mixing chamber(21). A supply chamber(22) contains the particulate which is fed to the mixing chamber by a passage(23). The fluid is fed in through the inlet through nozzles(27) in a nozzle holder (25). The supply chamber(22) completely surrounds the body.
Patent DE-2931007-A1 (DE)
Title: Hinged concertina folding door or window blind - has diagonally opposed edge hinge and guides on rectangular sectioned slats
Inventor: ELVERS KLAUS
IPC: E06B9/06
Filed: 1979-07-31
Abstract: Lamellae are movably interconnected by hinges along their edges, and displaceably held at the ends in guide rails, in an assembly for covering windows or external doors. The lamellae (16-19) are of virtually rectangular cross-section. The hinges (20) are located on diagonally opposite longitudinal edges, enabling lamellae to fold up in a zig zag pattern, into a bundle. There is an even number of lamellae, and guiding media are provided, in conjunction with the rails (12) in the area of adjacent edges on the side of the bundle where the open edges of the outside lamellae rest.
Patent DE-2941406-A1 (DE)
Title: Coupling aid for trailer - has telescopic guide rod with pivot connection to drawbar
Inventor: KLOSS ERNST
IPC: B60D1/40
Filed: 1979-10-12
Abstract: The coupling aid for a trailer drawbar has a guide rod (7) fitted to the underneath of the drawbar, to slide axially inside a sleeve (13) pivoted about a vertical axis (10) under the drawbar. The guide rod has limited axial and rotational movement and has its free end linked to the underside of the coupling jaw. The operator merely connects the guide rod and then backs the towing unit until the drawbar coupling eye automatically locates in the coupling jaw. The coupling procedure does not require any person to stand between the unit and trailer during coupling.
Patent DE-2944292-A1 (DE)
Title: Antidazzle system for car driver - obscures area below normal horizontal line of vision to reduce light intensity when lifting head
Inventor: SCHEFFLER GUENTER DIPL ING
IPC: G02C7/10
Filed: 1979-11-02
Abstract: The arrangement is intended for preventing dazzle of a car driver by the lights of oncoming traffic. It comprises spectacles or the like of which the area above the normal horizontal line of vision is clear while below this area the line of vision passes through a medium such as a filter which reduces the intensity of the incident light. In the event of dazzle, the driver lifts his head whilst maintaining horizontal vision so that the light from the offending headlights now passes through the filter areas of the spectacle lenses on the way to his eyes.
Patent DE-2944879-A1 (DE)
Title: Seat belt strap emergency cutter - has blade-carrying housing kept in inactive position by self locking pin
Inventor: GEILING RALF E
IPC: B60R22/32
Filed: 1979-11-07
Abstract: The strap emergency cutter has a housing (7) with a handle (8) fitted to the car body by a slide connection (15). The housing (7) has a slot (3) accommodating the strap (1) while the entrance of the slot is fitted with a protrusion (13) preventing the cutter from sliding off the strap. The far end of the slot (3) is fitted with a blade (2) positioned beyond the edge of the strap. There is an opening (5) in the housing between the blade and the strap edge. It accommodates a pin (4) which keeps the cutter in its inactive position. When the cutter has to be used in emergency, the pin (4) is removed and the rescuer pulls the handle (8), whereby the housing slides in the assembly (14) and blade (2) cuts laterally through the strap (1).