baber/WOPTO huggingface dataset:
Patent DE-2545695-A1 (DE)
Title: Reductive methylation of amines - with cobalt or nickel catalyst pre-used for hydrogenation or amination
Inventor: VOGES DIETER DIPL CHEM DR
IPC: C07D295/13
Filed: 1975-10-11
Abstract: Prodn. of methylamines comprises subjecting prim or sec. mono- or polyamines to reductive N-methylation with HCHO and H2 on a fixed bed of catalyst contg. Co or Ni in reduced form. The catalyst is first used in a conventional hydrogenation (pref. of nitrile to amine) or amination (pref. of alcohol with NH3 in presence of H2) process. N-Methyl tert mono- and polyamines are used as absorbents for removing acid components from synthesis gas, as catalysts for the prepn. of polyurethanes, epoxy resins and polyamides, as detergent additives for oils and fuels, as selective solvents, and as textile assistants. Carrying out prior hydrogenation or amination with the catalyst reduces catalyst consumption during reductive methylation.
Patent DE-2547061-A1 (DE)
Title: Power supply pin protection for carbon anode in aluminium mfr. - in enclosed electrolytic cell by providing metal collar and sealing
Inventor: MUELLERTHANN MICHAEL
IPC: C25C3/12
Filed: 1975-10-21
Abstract: Protection of the power supply pins and redn. of burning off of pre-baked C anodes by air, is provided by placing a sheet metal collar around each pin and sealing the space between these with a filling compsn. contg. C, pref. so that it is bonded firmly with the furnace of the anode. The utilisation of the anode C is improved. The filler consists of petroleum coke and hard pitch, opt. mixed with tar or soft pitch. The upper surface is sealed with the collar bonded to the anode by spraying with liquid Al. E.g. the use of a collar on the anode allowed the anode to be lowered into the bath to within a few cm of the collar, whereas normally it could be used only until the pin was 10 cm above the bath.
Patent DE-2548245-A1 (DE)
Title: Froth sepn from vapour in evaporators - prevents entrainment of liq droplets in vapour
Inventor: SAARI RISTO DIPL ING
IPC: B01D19/02
Filed: 1975-10-28
Abstract: In a process for separating the froth formed in an evaporator from the vapour, the vapour/liq. mixt. from the heats exchanger associated with evaporator flows in to a first chamber at the base of the evaporator and the vapour is transferred from the first chamber to a second chamber by flowing in a direction different to that of the flow of vap./liq. mixt. The liq. droplets are introduced into the first chamber through a passage whose cross-section is the same as that to the vap./liq. stream. A separator is not required since liq. entrainment due to froth formation is prevented.
Patent DE-2551095-A1 (DE)
Title: Frame holder for coin collectors - consists of connectable plastic halves each with recess for complete protection
Inventor: VOLKHARDT WOLFGANG
IPC: B42F5/02
Filed: 1975-11-14
Abstract: Small frames for coins consist of halves which fit together. Each has a recess for the joint reception of a coin. The frame is fitted on its inner side with an attached transparent foil which adjoins one side of the coin. Both halves of the frame (10, 12) are made as separate plastic parts and either fit into each other or have parts connecting to each other. The two recesses for the coil (24) are limited by cone-shaped, inner wall surfaces (26). The alternative connection may be either by friction closure or by a pressure connection on at least three separate points (28-30).
Patent DE-2551301-A1 (DE)
Title: Silicon bars doped using phosphorus - with variable resistance in radial direction, suitable for mfg. power thyristors
Inventor: REUSCHEL KONRAD DIPL CHEM DR
IPC: C30B13/06
Filed: 1975-11-14
Abstract: The single crystals are made with a radial increase or decrease in the amt. of phosphorus towards the edge of the Si. The novelty is that a Si bar is uniformly doped with phosphorus and then subjected to at least one peripheral zone melting operation along the length of the bar in vacuo or in a dopant gas; the speed and radial depth of the peripheral zone melting is adapted to suit the radial increase or decrease in dopant required. The uniform doping of the Si is pref. achieved using neutron irradiation to obtain 31P, or volatile cpds. of P in a gas current, esp. phosphorus nitrilochloride. Used for mfg. special semiconductors, e.g. powder thyristors with a large surface and high blocking power.
Patent DE-2551963-A1 (DE)
Title: Brush and mirror toiletry set - has comb held in groove in brush back fitting into dovetail of mirror base
Inventor: BAUMGARTNER PETER
IPC: A45D24/16
Filed: 1975-11-19
Abstract: The multi-purpose toiletry set consists of a mirror (1) which is the largest-size item of the set with a handle. The mirror accommodates on its rear surface (3) a comb (5) slid into a dovetail groove. The shape of the mirror is adapted so that the comb (5) fits along its length into the length of the mirror handle. A further combination of four toilet articles is possible by providing the back surface of the mirror with three dovetail grooves. One groove accommodates the comb (5), the middle groove the hair brush and the third groove a nail file. The comb can be accommodated in a dovetail groove provided on the back surface of the brush, which is then slid together with the comb into the dovetail groove of the mirror.
Patent DE-2552271-A1 (DE)
Title: Sampler device storage container - has recessed discs on rotary spindle dispensing devices one by one
Inventor: OTTO WILFRIED
IPC: B65D83/02
Filed: 1975-11-21
Abstract: The storage container is for measuring heads or sampler devices used once only and fitting on a dipstick-type probe, having an opening through which the devices are dispensed one by one. In the container is a dispensing mechanism with two or more driving discs on a rotary spindle. These have recesses in the periphery to accommodate the devices, the recesses in the discs being in line with each other. A catcher fork can be mounted in front of an opening and arranged to tilt, and also a guide between the dispensing mechanism and a fork, delivering the devices properly aligned.
Patent DE-2554759-A1 (DE)
Title: Vehicle towed boat launching trailer - has steerable wheels carried by longitudinal girders having guide rollers for base of boat
Inventor: LUELSDORF REINHOLD
IPC: B60P3/10
Filed: 1975-12-05
Abstract: The vehicle for the launch and recovery of boats has a box girder framework consisting of two parallel longitudinals joined at the front by a V-shaped member and near the back by a cross -bar. A towbar projects from the front. At the back, stub axles extending from the crossbar steerable wheels. Bolted to the longitudinals are U-shaped girders, opening inwards, in which run rollers carrying the V-shaped forward support platform so that this can be moved as required by the keel length/form. The support platforms are set on springs and pivoted to tilt sideways. They are fixed on either side of the framework by arms whose lower ends are movable between parallel transverse plates, perforated so that the arms can be set ip in different positions. Forward of the wheels and the after supports are two outriggers on transverse axles carrying foot plates with a locking bar to hold them in or near the vertical.
Patent DE-2555685-A1 (DE)
Title: Hydroxyethylidene-cyano-acetanilides - with antiinflammatory and analgesic activity
Inventor: KAMPE KLAUS-DIETER DR
IPC: C07D295/145
Filed: 1975-12-11
Abstract: Hydroxyethylidene-cyanoacetanilides of tautomeric structure (I) and their salts are new: In the formula, R1 is halogen, 1-2C alkyl opt. substd. by 1-3 F and/or Cl atoms, 1-2C alkoxy opt. substd. by 1-4 F and/or Cl atoms, or 1-2C alkylthio; R2 is H, halogen, Me, Et, CF3 or MeO; R3 is H, Cl or MeO; R1 and R2 can also form an OCH2O group. Cpds. (I) are anti-inflammatory agents and analgesics, and also have anthelmintic, antimycotic and fungicidal activity. A typical cpd. is N-(3-chlorophenyl)-hydroxyethylidene-cyanoacetamide. In an example, this is prepd. by reacting N-(3-chlorophenyl)cyanoacetamide with triethyl orthoacetate and hydrolysing the prod.
Patent DE-2557193-A1 (DE)
Title: Automatic blowing of long foundry sand cores round mandrels - using cold core box with automatic mandrel extn.
Inventor: ALBENGA GIOVAN BATTISTA
IPC: B22C7/06
Filed: 1975-12-18
Abstract: The core box is closed round a mandrel mounted o a carrier, sand is then blown into the box and the core hardened. The core box is opened, with the simultaneous motion of the mandrel carrier through 90 degrees so the core is located directly above a conveyor fitted with an extractor which draws the core off the mandrel. The core box pref. has a vertical joint line, one half of the box moving horizontally for opening and closing, the carrier being restored to its initial position during closure via a return spring. Alternatively a core box with a horizontal joint line may be used. In one pref. machine, four mandrels are located one carrier moved vertically by a work cylinder to align the mandrels in the core box.
Patent DE-2603852-A1 (DE)
Title: Storage tank for liquefied gases, esp. commercial butane - with in-built electrical or hot water heating coil
Inventor: HUGONIE LOUIS JACQUES
IPC: F17C7/04
Filed: 1976-02-02
Abstract: Storage tank for liquefied gas has a draw off arrangement for the gas. The storage tank includes 1 partition wall dividing the tank into two chambers, each of which contains both liq. and gaseous phases. Openings are provided in the upper and lower parts of dividing wall through which the gaseous and liq. phases in one chamber communicate with those of the other chamber. A heat is located inside the first chamber in the liq. phase, and according to the novelty an off-take system for the gas is formed by the dividing wall. The first space, in which the heater is located, is entirely surrounded by the second space. Heat losses from the tank are minimised by enclosing the heated chamber with the unheated chamber. The plant is verys imple requiring a minimum of attendance during operation and little maintenance.
Patent DE-2606092-A1 (DE)
Title: Appts for moulding articles with rigid inserts - having two part spring loaded moving mould member
Inventor: REICHENBACH JERRY D
IPC: B29C45/14
Filed: 1976-02-16
Abstract: Compression moulding appts. has a first stationary mould member and a second movable mould member which in a closed position together with a relatively rigid insert define a mould cavity, a matl. receiving area and a transfer area. A press ram is connected via a first spring to the second mould member to effect movement thereof, and via a second spring to a matl. moving member to effect transfer of moulding matl. from the receiving area through the transfer area into the mould cavity. Appts. is used for moulding a seal assembly having a rigid metal insert. During a moulding operation the first and second parts first engage and securely hold the insert and form with the insert a mould cavity, then matl is transferred to the mould cavity until it is full, excess matl. being left in the receiving or transfer areas and not forced out as excess flash.
Patent DE-2608243-A1 (DE)
Title: X:ray appts. synchronised with AC mains - has variable attenuator and performs one exposure per cycle of mains supply
Inventor: BETZ KARL-HEINZ
IPC: H05G1/60
Filed: 1976-02-28
Abstract: The X-ray apparatus is synchronised to the mains supply such that with a 50 Hz supply 50 exposures can be made per second. A baseline attenuator can be switched into the HV transformer primary circuit to keep the HV voltage constant. This attenuator is effective throughout the whole switched-on time and is determined by the set X-ray tube current and/or voltage. The thyristor switch in the primary circuit is turned off by two identical circuits comprising further thyristors and operating alternately. The attenuator consists of variable resistors in star configuration and causes a 5% change in dose.
Patent DE-2611368-A1 (DE)
Title: Bulb for CRT - deflection yoke is permanently or semi-permanently mounted at junction of neck and flare
Inventor: MCNEILL W H
IPC: H01J29/82
Filed: 1976-03-18
Abstract: The support and/or positioning means form an integral unit with the deflection yoke, or alternatively are connected with it. At least one pin (20) is an integral part of the bulb (10) and projects backwards from the tube flare (14). The axis of the pin is in parallel with the axis of the tube. The pin is situated near the junction between flare and neck. In one form the pin is made from glass enabling it to be created simultaneously with the manufacturing of the bulb (10). Alternatively, it can be of metal or glass fixed by melting at a later stage.
Patent DE-2613788-A1 (DE)
Title: Centrifugal clutch combined with free wheel - has clutch disengaged when driven shaft over-runs driving shaft
Inventor: HARE TERENCE G
IPC: F16D43/18
Filed: 1976-03-31
Abstract: The driving shaft (14) is keyed to a disc (16) which has a local radial projection (17). A band (22) of spring steel provided with a friction lining (23) surrounds a set of rollers (26). The rollers (261) and (26b) are welded to the ends (23A) and (23b) respectively of the band (22). When the driving shaft (14) rotates in a counter-clockwise direction, the rollers (26) move outwards under the influence of centrifugal force and press the friction lining (23) against the surface of the drum (18) forming part of the driven half (12). When the drum (18) over-runs the disc (16) the spindle (27) of the end roller (26a) is forced radially inwards by the notch (3) in the projection (17) and pulls the lining (23) away from the drum (18) and so disengages the clutch.
Patent DE-2614219-A1 (DE)
Title: Sand cores or moulds made by shooting and squeezing - where rapid evacuation of core or moulding box provides shooting effect.
Inventor: BUEHLER EUGEN DIPL ING
IPC: B22C15/28
Filed: 1976-04-02
Abstract: Core or moulding sand is shot from a sand chamber through a wall or base, fitted with sealable openings, into a core- or mould-box, using the sudden, shock-type application of a vacuum to the box. The box and the openings are first sealed and a vacuum is applied to the box; the shutters or valves blocking the openings are then suddenly released so the sand shoots into the box. The shutters may be closed immediately after shotting, or after a time delay, and the sand in the box is pref. subjected to further compaction by using the base of the sand chamber as a press plate, where some of the sand in the box can be pressed back into the sand chamber via the open shutters. The shutters can be closed during compaction when the sand near the press plate reaches a Fischer hardness of 70, further compaction then being applied. The applied vacuum is pref. >0.7 atmos. High speed core or mould shooting is combined with squeezing to form accurate moulds; and sand is not blown into the foundry atmos. to cause pollution.
Patent DE-2617095-A1 (DE)
Title: Optimum coupling of photoconductors - uses heat insensitive terminal for connection to high output thermal light sources
Inventor: BODEM FRIEDRICH DIPL PHYS
IPC: G02B6/42
Filed: 1976-04-17
Abstract: The fact that the photoconductor coupling terminal is made of material insensitive to heat ensures that there is no heat to damage to the photoconductor through absorption of certain parts of the light source spectrum. This material filters out undesirable or harmful parts of the light source spectrum. The coupling terminal is integrated in the lamp body to reduce the spacing between terminal and radiant field.
Patent DE-2617800-A1 (DE)
Title: Home workbench with frame and clamping jaws - has jaw recesses as bearing for additional table bolts and includes clamp operated spindles
Inventor: STILTZ ERWIN DIPL ING
IPC: B25H1/04
Filed: 1976-04-23
Abstract: Home work table, comprises a frame, and above this, moving relatively to it, clamping jaws which, by means of crank operated spindles in the frame cross beams, are adjustable via guides in a parallel or inclined fashion to each other. A foot frame is provided which can swivel out from the frame, and in the swivelled out position is lockable. The clamping jaws (1, 2), in the area of their counterposed inner sides, have a recess (21) acting directly or indirectly as bearing for the shaft bolts of additional apparatus tables. On the cross beams of the frames supports (18, 19) are provided for the swivelled out table legs (11, 12) of the foot frame (10).
Patent DE-2619398-A1 (DE)
Title: Regenerative gas turbine drive for road vehicles - uses turbine output to charge accumulator when accelerator pedal is released
Inventor: VESTER GERHARD
IPC: F02C1/10
Filed: 1976-04-30
Abstract: A gas turbine drive for certain classes of road vehicles e.g. buses, trucks is operated in a regenerative mode to provide the same characteristics as a conventional I.C. engine. A selection circuit allows a specific range of operating conditions for different road situations e.g. motorways, steep inclines etc. The turbine is controlled such that when the accelerator pedal is released, a coupling switches over to transfer drive to an electric generator charging an accumulator. The accumulator output is discharged when acceleration is demanded. Turbine braking is provided by retardation of the flywheel immediately the accelerator pedal is released.
Patent DE-2622625-A1 (DE)
Title: Easily openable plastics skin packs mfr. - by laying article on foam backing; covering with a transparent film and evacuating under heating
Inventor: OBERHUBER DIETER HORST
IPC: B65D75/30
Filed: 1976-05-20
Abstract: Skin pack consists of a base and a heat-sealed cover film which lies closely around the packed article and is bonded to the base; the latter being a foam film. Base of foam polymer is pref. 0.3-0.5 mm thick and S.G. 0.3-0.4. After the cover film is laid on the article, air is extracted in any convenient way and the film is simultaneously, pref. 0.03-0.15 mm thick whether single-layer or a combination film. The cover film bonds well to the base and permits easy unpacking and the pack is produced in one operation with short evacuation time. It can utilise foams produced in roll form.
Patent DE-2628377-A1 (DE)
Title: Detergent motor fuel additives - contg. polymer acids esterified with mixts. of aliphatic alcohols and ethoxylated phenols
Inventor: KUHN ROBERT ROLAND
IPC: C10L1/18
Filed: 1976-06-24
Abstract: Detergent motor-fule additives contain mixed polycarboxylic acid esters (3) of 1-20C aliphatic alcohols and 4-9C alkyl phenols ethoxylated with 1-20 mols. ethylene oxide. The ester is pref. derived from a tricarboxylic acid, in which >=1 COOH gp. is substd. with 1-20C alkyl and at least one COOH gp. with a 4-9C alkyl phenyl gp. reacted with 1-20 mols ethylene oxide, and no free COOH gps., are present. Used for addn. to hydrocarbon distillate fuels, esp. petrol opt. contg. Pb or Mn, for use in 2- or 4-stroke i.c. engines. Formation of deposits on inlet or outlet valves, or in the combustion chamber including spark plugs, is prevented and deposits removed from the carburetter. Low concns. are required in the fuel, e.g. up to 1000 (600), esp. 400 ppm.
Patent DE-2629183-A1 (DE)
Title: Stable divided into bays - having separate sleeping and manuring areas with latter in groups connected to common disposal system
Inventor: REIMERS HINRICH
IPC: A01K1/01
Filed: 1976-06-29
Abstract: The stable has several bays, each having a separate manuring place and sleeping place. The free sides of all sleeping places border on a common fodder path. The surface of each sleeping place is so measured in relation to the size of the animal that no manure corner can be set up on the sleeping area. The base of the sleeping place is closed while the manuring place floor has holes to allow the manure to fall through. Below the manuring place base of a small group of adjacent stable bays is a common manure collector which has a water flushing. The manure collector is connected to a manure channel via an odour trap siphon.
Patent DE-2632463-A1 (DE)
Title: Sheet feed unit for automatic text processor - has sheet supply magazine and transport rollers to convey sheets to typing position
Inventor: ZELL ULF DIPL ING
IPC: B41J13/10
Filed: 1976-07-19
Abstract: Sheets are continuously fed from a stack of sheets stored in a magazine to a typing unit with platen esp. an automatic text processing machine. The magazine operates with a transport roller system whose drive is effected by the plasten via a rigid gear wheel- and toothed belt transmission. Sheet separation is ensured by on the one hand a counter-rotating brake roller and on the other hand different circumferential speeds for the transport rollers. After leaving the printing unit the sheet is transported away and deposited in a storage magazine. The feed unit is not mounted permanently in place but can be mechanically coupled and detached on the platens axle by means of a rapid action coupling.
Patent DE-2633623-A1 (DE)
Title: Release mechanism for photographic or cine camera - has flexible lever yielding when mechanism is blocked
Inventor: PESCHEL HEINZ
IPC: G03B17/38
Filed: 1976-07-27
Abstract: Release mechanism for photographic or cine camera comprises a flexible actuating lever which yields resiliently when the mechanism is blocked, without affecting the transmission members of the mechanism. Pref. at one end of the lever there are bearing pins which engage in the camera housing and abut against a cover section, to form a pivot bearing for the lever. On the lever is an arm which engages a transmission lever at one end of which are projections engaging in a housing recess and forming a pivot bearing for the transmission lever. No additional transmission means and no adjustment are required for the resilient construction of the release mechanism.
Patent DE-2633701-A1 (DE)
Title: Mass prodn. process for voltage dividers - using silk screen to produce resistors and moving by corresponding distance if tolerance is too high
Inventor: WEIDLICH RAINER DIPL ING
IPC: H01C1/16
Filed: 1976-07-27
Abstract: The mass prodn. process is for voltage dividers having small relative tolerance. A film method is used by applying resistors on an insulating substrate contacted by ends of conducting traces. Resistor patern is applised by silk screen printing on a substrate securely held in position and provided with conducting trace ends. Its relative tolerance is measured, and if it is too high, a value of a section (R2) is calculated, which would satisfy the required tolerance equation. The silk screen is moved relative to the substrate by a corresponding distance.
Patent DE-2656407-A1 (DE)
Inventor: NEUMANN KONRAD DR
IPC: D06L4/664
Filed: 1976-12-13
Abstract: Described is a process for the production of negligibly dusty preparations of dyes and/or optical brighteners, which process comprises mixing an adhesive as e.g. sorbitol and a dust binding surface active agent into a mixture of dye or optical brightener and, optionally, further additives.
Patent DE-2700368-A1 (DE)
Title: Tube casing coiling and glueing system - uses glue rim on one coiling band edge and oblique glue strips to give overlapped seamed surface layer
Inventor: GRANBERG JOHAN
IPC: B31C3/00
Filed: 1977-01-07
Abstract: A casing is coiled round a tube with a long strap joined on one long edge to the casing or tube so that the band being coiled on the tube lies below the strap. A glue rim (6) is applied along one long edge of the band (4) and further glue strips (7) are applied to it obliquely so that the adjoining turns of the band when coiled onto the tube (1) overlap one another and glue together, forming a continuous surface layer. The direction and spacing of the oblique glue strips are selected to provide a longitudinal glue seam (8) along the tube when coiled which thus secures the surface layer, this being slit open alongside the seam to produce the starting strap. Glue is applied to the band preferably by glue trough roller (5) (9), the band passing over this via rollers to a coiling machine. The roller should be fitted with scraper and have recessed areas on its surface designed to produce the glue rim (6) and oblique strips of glue (7).