baber/WOPTO huggingface dataset:
Patent DE-2337426-A1 (DE)
Title: Press with replaceable press tools - punch has centering and fastening means for upper parts of tools
Inventor: HABICHT SIEGFRIED
IPC: B21D28/24
Filed: 1973-07-23
Abstract: The punch of the press has a central vertical bore into which is placed a spindle. The lower part of the central spindle is threaded and it holds the upper part of the press tool fitted on the punch. The upper end of this spindle has a tightening handle. The punch end face has a flat central recess for engaging with the tool spigot for centering purposes. The punch drive unit has a housing around the vertical punch column. This housing contains floating pistons and the chamber within the housing is connected to a pneumatic or hydraulic actuating unit by means of the channel in the punch. This channel is connected by the side bores with the housing chambers. The working medium is pumped into the chambers between the pistons. The press table has clamping and centering arrangements for the lower tool. Tools are readily replaced on the punch and the actuating mechanism is highly compact.
Patent DE-2337520-A1 (DE)
Title: Workpiece collecting and stacking device - stacks automatically fed to machining stations from filler chamber
Inventor: BARTH EUGEN
IPC: B23Q7/10
Filed: 1973-07-24
Abstract: Collecting and stacking device is for plate-shaped workpieces which, by means of a conveyor, are brought into a filler chamber, where they are collected. After forming a given number into a package this is automatically transferred to a feeder to feed the workpiece package to the machining station of a machine tool. The base of the filler chamber is formed by an outer face of the movable feeder. A switch mechanism, before or during the entry of a workpiece acceptor, connecting to the outer face, into the filler chamber, controls a pusher, which moves the workpieces, such that the finished package is first held by pusher pressure and then released by raising the pressure to drop into the feeder acceptor.
Patent DE-2339535-A1 (DE)
Title: Streamlined lever for car seat rake control - mounted to lie flush in cut-out in axle support arm
IPC: B60N2/235
Filed: 1973-08-03
Abstract: The two parts of the seat hinge are locked together by a blocking mechanism operated by a linkage attached to a hand lever pivoted away from the seat hinge. The handle end of the lever is located in a depression in the bottom hinge support, with the depression open to the top and to the outside face. The lever lies flush in the depression, and does not protrude above the line of the support, except when pulled. The system is suited to cars where there is limited space beside the seat and the door frame, or where a hinged arm rest would hide a conventional lever.
Patent DE-2343122-A1 (DE)
Title: Block brake for railway rolling stock - has brake blocks suspended on the wagon body and connected by actuating rod
Inventor: HENSGEN ROBERT
IPC: B61H1/00
Filed: 1973-08-27
Abstract: This block brake system is used esp. for individually braked wheels of the railway rolling stock. This arrangement is of compact design and it esp. does not increase the height of the vehicle. The brake pads are supported by suspended and pivoted links. The actuating lever is pivoted at the common point of one brake pad. The free lower ends of the levers are connected by a rod which also transmits the braking force to the other braking pad. The brake pads exert pressure on the wheel tread. The connecting rod is braced against lateral deflection by steadying arms spaced apart on it and joining vertically or diagonally onto the wheel axle.
Patent DE-2343629-A1 (DE)
Title: Induction heating metals with varying cross-secyition - calculating best frequency for uniform heating
Inventor: GEISEL HERBERT
IPC: H05B6/40
Filed: 1973-08-30
Abstract: Heating a metal pat where a thin cross section of long length w.r.t. its thickness joins thicker cross-sections possessing sides of approximately equal length, the part being placed in an induction coil. The novelty is that the ratio of the partial power distribution (P1, P2) of the induced currents to the areas of the different sections (A1,A2) is made the same; the ratio is a function of the frequency and can be calculated. Even, rapid heating by induction as a distinct from heating by conduction, i.e. different heating rates for different sections mean longer heating times and undesirable temp. gradients.
Patent DE-2344270-A1 (DE)
Title: Wear resistance of grey cast iron camshaft surfaces increased - by remelting surface portions
IPC: C21D1/09
Filed: 1973-09-01
Abstract: A method of improving the wear resistance of the running surfaces of the grey cast iron camshafts includes remelting the surface by arc remelting (without additions) a grey cast iron casting with a graphitic formation of less than 0.08 mm in lines like a seam weld for a short time so that the melt solidifies to a ledeburitic structure to form the hard layer. Compared with a chill cast cam shaft, the shaft can easily be machined and then hardend and finished by grinding. Also the hardness can be increased by about 10 Rockwell units compared with a cast structure. Cheaper iron alloys containing less than 0.1% P and S additions can be used.
Patent DE-2348567-A1 (DE)
Title: Discharge tube fluorescent lamp - with UV radiating luminescent material for observation of fine fluorescent structures
Inventor: REINERT GUIDO GEORG
IPC: G02B25/02
Filed: 1973-09-27
Abstract: The lamp is used for the microscopic fluorescent analysis of small, including the smallest, parts of normal ambient light in conjunction with magnifiers, stereo-microscopes or similar optical instruments. The fluorescent tube has a more or less circular shape and is placed in the reflector which surrounds the magnifier. The object is exposed to ultra-violet light in the medium-wave to short-wave band. The bellows-shaped light-shield restrains the ambient light from the space between the magnifier and its support, and the object on the table base plate, so that the object is exposed only to ultra-violet light.
Patent DE-2355288-A1 (DE)
Title: Storage tank organic vapour emission reduction system - simultaneously cools and condenses vapour using cooled fluid
Inventor: HELFRICH GEORG GUIDO
IPC: B65D90/30
Filed: 1973-11-06
Abstract: The emission is reduced by cooling and condensation of the mixture of air, gas and vapours expelled from the tank on filling. Cooling and condensation take place simultaneously in a virtually isobar section from an initial temperature down to a lower one and in an isobar-isothermal section connected to it giving virtually pure condensation at this lower temperature. The condensate in the second section takes place with the aid of a set quantity of cooled liquid, preferabl from the tank, from which the mixture escapes, or with that of a fluid of similar and suitable composition. The currents of liquid and vapour can intersect, or flow in the same of opposite directions. The first section can be an indirect heat exchanger with metal interchange surface, and the second a material exchange base.
Patent DE-2359225-A1 (DE)
Title: Deodorant compsn. contg. proteinase inhibitor - effective on proteolytic and esterolytic enzymes
Inventor: CHARLET EGBERT DR
IPC: C12P21/02
Filed: 1973-11-28
Abstract: The inhibitor has formula: and is applied in pure form or crude as obtd. without purificn. by the microbic method. The compsn. contains 0.05-10 pts. wt. (0.1-1 pts). of (I).
Patent DE-2359237-A1 (DE)
Title: Special spark plug with compensation chamber - has tubular mid electrode for escape of compression pressure part
Inventor: WOTKE NORBERT
IPC: H01T13/40
Filed: 1973-11-28
Abstract: Special spark plug for combustion engine ignition is intended for reduced compression in the selected cylinders. A part of the compression pressure is permitted to escape through the mid electrode of tubular shape into a compensation chamber located above or laterally of the spark plug proper, but forming a normal spark plug body. The mid electrode is preferably firmly connected to the pressure compensation chamber. The terminal for the current lead may be located on the pressure compensation chamber. A pipe may be brought out from the pressure compensation chamber of the plug to a measuring or control instrument on the dashboard.
Patent DE-2364584-A1 (DE)
Title: Roasting oven with afterburner for fat gases - has part of main electric heater used for afterburner
IPC: F24C15/20
Filed: 1973-12-24
Abstract: An electric oven has the heater element divided into two sections. One section is under thermostatic control which can be set to the required cooking temperature. The other section is always fully switched in circuit and serves as afterburner to burn vapours containing fats which would otherwise escape into the kitchen. The afterburner section is placed at the top of the oven and is constructed of tubular heater elements arranged so that the vapours pass between the elements and not between elements and cold walls. If the main control is set to a temperature less than 120 deg.C the afterburner section also comes under thermostatic control since fats will not be given off.
Patent DE-2400836-A1 (DE)
Title: Reliable washing machine drum closures - rollers fitted to the slide bar heads of the hooks
Inventor: HUBER HEINRICH
IPC: D06F37/10
Filed: 1974-01-09
Abstract: Drum lid closures for washing machines, drums, dries and the like with rollers fitted on the hooks, which engage in eyelets in the lid halves in known manner. The hooks pref. consist of a folded metal strip having a slide bar head provided with a receptor for a journal of the roller. Reliable hinged closure between the lid halves, easy to engage.
Patent DE-2402846-A1 (DE)
Title: Cake knife for cutting segments of variable size - having two blade lengths pref formed in one piece and meeting at adjustable angle
Inventor: BAETTIG HANS
IPC: A47G21/04
Filed: 1974-01-22
Abstract: A cake cutting knife has its blade shaped to cut a segment from the cake; the subtended angle of the segment can be varied, pref. by means of a finger hold attached to the blade at one side of the handle, which enables one arm of the blade to be varied in angle relative to the other.
Patent DE-2406320-A1 (DE)
Title: Thyristor with partial cathodes coupled via inductances - uses differential transformer to connect two partial cathodes
Inventor: STEIMEL KARL DR PHIL DR ING
IPC: H02M1/32
Filed: 1974-02-09
Abstract: The thyristor with a divided cathode has inductances incorporated in the feed(s) to a partial cathode or several such cathodes. If two partial cathodes are used the inductance is in the form of a differential transformer. In such instance preferably an igniting transformer is incorporated in one cathode feed, whose polarity provides a negative characteristic for the partial cathode with a salient igniting pulse. One cathode feed may contain a choke and the other one the igniting transformer of such polarity as to provide positive characteristic for the respective partial cathode with a salient igniting pulse. Preferably no gate strips are available between the partial cathodes.
Patent DE-2408231-A1 (DE)
Title: Water-soluble adhesives for piezo-electric pressure transducers - to ceramic carriers during mfr., with improved shear strength
Inventor: SASS WOLFGANG
IPC: H01L41/313
Filed: 1974-02-21
Abstract: Water-soluble adhesives contain 6 pts. aq. soln. of organic water-sol. adhesive, pref. contg. glutin, e.g. 'Syndetiton' (RTM), 0.1 pts. micronised, amorphous, porous silica, 1 drop surfactant per 10 g. organic adhesive, 1.3 pts. gypsum and 0.5 pts. boric anhydride. Content of individual components may vary by up to plus-or-minus 30%. Compsn. is used for sticking of discs or squares of cpd. metallisedceramic piezo-electric pressure transducer material to ceramic carriers, during processing and cutting into individual squares of less than 0.2 mm. size, as required for scanning of video recordings stored on a flat carrier. Addn. of the water-absorbing substances ensures complete drying. Cohesion and shear strength of the bond are increased by presence of silica, and surface tension of the adhesive is reduced by the surfactant. The bond is resistant to mineral oil, trichlorethylene, acetone, etc. and to temps. up to 220 degrees C, but can be broken again by water when required.
Patent DE-2413167-A1 (DE)
Title: Refuse incineration plant with adjacent heat exchanger system - has semi cylindrical steel clad combustion chamber with internal sieve to remove non combustible material
Inventor: AHREND GEB MOORE MARY E
IPC: F23G5/00
Filed: 1974-03-19
Abstract: A refuse incineration plant has a steel outer casing lined with heat resisting material in a retort shaped construction with a sieve and removal system for uncombustible material. Refuse is fed into the system by conveyor through apertures. A flow of highly compressed air from a pressure hose is blown in through a jet parallel to the opposite wall and then circulates the material around the lower section of the combustion chamber where everything combustible is burned. Waste gases are discharged through an exhaust system to a heat exchange system and an air cleaner. Initial light up is by burners centrally passing through the combustion chamber.
Patent DE-2418912-A1 (DE)
Title: Abacus-like calculator for use as teaching aid - with numbered cubes showing basic numerical relationships
Inventor: NAST KARL
IPC: G09B19/02
Filed: 1974-04-19
Abstract: The calculator comprises 10 rows each containing 10 cubes which slide on rods and can be rotated through 180 deg. All the cubes are of the same colour and on one face they are blank whilst on the other faces they bear the numbers 1 to 100 in sequence. Pref. some or all of the cubes in the first row can be turned through 90 deg. and in addition to a blank face have a face bearing a given number, a face bearing the number times 1 and a face bearing the number divided by 1. One cube is pref. divided by shallow cuts into equal portions to demonstrate fractions.
Patent DE-2421346-A1 (DE)
Title: Paper grab surface roughening process - closes grab to produce impression in coating in plastic state
Inventor: HERING GUENTER
IPC: B65H29/02
Filed: 1974-05-03
Abstract: The process is particularly for use with printing machines. The gripping surface is first deeply roughened, and a cold-hardening material, still in the plastic condition at room temperature, is applied to it. The grab is then closed so that the tongues, which can first be coated with a non-stock film, produce a negative impression on the surface of the material. The grab-tongues are designed to maintain the paper feed sheets parallel to one another.
Patent DE-2421825-A1 (DE)
Title: Permanently elastic prefabricated building joint sealing strip - is firmly connected to length covering narrowest cross-section
Inventor: SCHOLZ KURT
IPC: E04B1/68
Filed: 1974-05-06
Abstract: The unit is for sealing joint gaps between prefabricated components in building structures, and comprises a durably elastic sealing strip which acts by filling out inside the gaps into which it is cemented. It is cemented, welded, or otherwise firmly joined to a length which covers the smallest cross-section of the joint gap; this length may be wider than the sealing strip, which may be made of closed-cellular, expanded or foamed plastics or rubber. The cross-section length may be made of aluminium, fine steel, galvanised sheeting or other metallic material, or of plastics and it may be flat or slightly arched, and rectangular, conica round or wedge-shaped.
Patent DE-2422564-A1 (DE)
Title: Stripping shears for flat cables - has broad upper jaw and pointed lower jaw for inserting under insulation
Inventor: HOLZMANN HERMANN
IPC: H02G1/12
Filed: 1974-05-09
Abstract: The insulation-stripping shears, for flat cables, has a broad upper cutting jaw with a straight cutting edge and a pointed lower cutting jaw with a curved cutting edge. The two jaws overlap and are pivoted together at a common point. The shears' handles have protective guards protruding from them at right angles. A roll spring tends to force the handles apart and to open the cutting jaws against the action of the user's hand. The shears can be held in the closed position by a hook that engages a screw. This tip of the pointed jaw is inserted under the cable's insultion.
Patent DE-2428296-A1 (DE)
Title: Permanent magnet made by press-forming magnetic powder - and impregnating under vacuum with resin or thermoplastic binding agent
Inventor: BUESCHEL EMIL
IPC: H01F41/02
Filed: 1974-06-12
Abstract: The permanent magnet is made by first press-forming magnetic powder to the required shape without adding a binding agent, and then impregnating under vacuum with a low-viscosity binding agent such as resin or a thermoplastic. Before impregnation, the formed magnet is placed in a mould with a thin foil (5) separating it from the mould walls. AFter impregnating with binding agent the excess foil is cut away. (The magnetic powder consists of compounds of cobalt and rare earth metals). The advantage of this method of production lies in its keeping the amount of binding agent used to a minimum -- thereby improving the magnet.
Patent DE-2431479-A1 (DE)
Title: Battery switch for photographic cameras - utilises rotary potentiometer on spindle bearing switch contacts for battery and timer
Inventor: HOLLE WERNER DR
IPC: G03B7/26
Filed: 1974-07-01
Abstract: The battery switching arrangement for automatic cameras has a timing adjustment knob (4) attached to the camera (1). The battery switch (5) has two contacts and is mounted transverse to a spindle (6) carrying an annular potentiometer (10), which is followed at the end of the spindle by a lever-arm (11) and a change-over switch (12). The switches and potentiometer form part of an electronic circuit containing an operational and a differential amplifier which operate the battery switch at the termination of the required time internal. The battery circuit also operates a photo-element and has a charging circuit with voltage dependent on the logarithm of the time interval.
Patent DE-2434239-A1 (DE)
Title: Exhaust gas afterburner for I.C. engines - has exhaust gas mixed with air flowing over igniting material
IPC: F01N3/24
Filed: 1974-07-16
Abstract: The afterburner has a cylindrical casing (16) with the lower part (34) left open. It has a conical inlet with a stub duct (26) for connection to the exhaust pipe and a perforated cone section (28) for admission of secondary air. There are openings (44) in the upper part of the cylindrical casing for admission of further air. A series of tubes (24) runs axially along the cylinder in the upper part of the cylinder so that exhaust gases and secondary air mix in passing over them. The tubes are filled with metal spirals (12) or metal wool covered with a layer of suitable sulphur containing material so that the friction of the gases passing over it initiates combustion to remove un burnt components in the exhaust gas.
Patent DE-2438503-A1 (DE)
Title: Activated carbon air filter - having two conical meshes with carbon between mounted in vessel wall
Inventor: KURAHASHI SHIGERU
IPC: B01D53/04
Filed: 1974-08-10
Abstract: Air filter consists of two perforated cones with the intervening space filled with activated carbon granules. The cones are of shallow angle and are mounted in a wall with a series of other units of the same type. In the inlet to the filter is a conical trumpet piece which acts as collector for the incoming air. The filter is useful for air purificn. Conical construction gives increased filter area for given face area and trumpet shaped suction piece gives reduced pressure loss.
Patent DE-2439507-A1 (DE)
Title: Conveyor for loose goods - has vertical guide surfaces along both sides for troughing belt
Inventor: DEML ERICH
IPC: B65G15/64
Filed: 1974-08-17
Abstract: Conveyor for loose goods such as hops includes a smooth conveyor belt (1) supported along its edges by vertical or vertically inclined guide surfaces to form a conveying trough. The inclined stationary guide surfaces (7) which are vertically projecting above the vertically deflected edges of the belt have their top ends bent inwards towards the belt centre to prevent the goods from leaving the belt over its sides. The guide surfaces are omitted at the delivery and return end of the conveyor to enable the belt to return in its original straight position before running on the delivery and return drum of the conveyor.
Patent DE-2446881-A1 (DE)
Title: UV stabiliser benzophenones purifn. - by treatment of non polar soln of crude matl. with activated bentonite clay
Inventor: RUBY WILLIAM R
IPC: C07C45/78
Filed: 1974-10-01
Abstract: Cpds. of formula where R2 is H, or OH, R', R3 is R2 or OR where R is (1-12) C alkyl, prepd. by reacting a benzotri-halide or benzonitrile with a phenol at 35-50 degrees C are purified by dissolution in non-polar (chloro- or nitro) benzene, toluene, (o-m- or p-dichloro-or dinitro-) benzene, xylene, n-pentane, hexane or heptane, 1,2-dichloroethane and/or trichloroethane, and treatment of the soln. with activated clay and opt. activated charcoal and organic acid complexing agent.
Patent DE-2459831-A1 (DE)
Title: Chain cutter for agricultural loading trailer - rear conveyor duct slotted for sickle-shaped blades of cutter
Inventor: STRAUTMANN HEINRICH DIPL ING
IPC: A01D90/04
Filed: 1974-12-18
Abstract: The chain conveyor has a bottom pulley (1) and top pulley (2) for a conveyor chain (3) on which are tines (5) mounted in tine attachments (4). The tines (5) should point approximately horizontally from the crop being conveyed. The conveyor duct is formed by guide plates (6) and a back wall (7) in which are cavities through which fit S shaped blades (8) fixed to the cutter-spindle (9). The blades pass between the tines (5) of the chain conveyor. The cutter-spindle (9) is formed of a tube on which the blades are inserted with the distance between them obtained by spacer sleeves.
Patent DE-2462098-A1 (DE)
Title: Clock with endless web providing digital time display - has band moving from supply to take-up roller
IPC: G04C17/00
Filed: 1974-04-22
Abstract: The web has its ends passed around two rollers and passed from one to the other past a viewing window through which the numbers marked along the length of the web can be seen. Each of the rollers is provided with a free-wheel coupling with a blocking body which is controlled by a lever which is in the form of a hairpin lever passing around the roller shaft and in frictional engagement with the latter. Pref. the free-wheel coupling of each roller comes into operation when the wound diameter of the roller is less than that of the driven roller.
Patent DE-2500220-A1 (DE)
Title: Shell moulds for precision casting, esp. using lost wax - with ceramic reinforcing bars shaken out after casting
Inventor: VALENTA JOSEPH
IPC: B22C7/02
Filed: 1975-01-04
Abstract: Precision casting process in which two or more distributor runner bars are employed to carry the components which will subsequently be cast, the novelty being that the runner bars are reinforced by using a material which bonds with the runners but can be removed without the use of heat. The removable reinforcing parts are pref. bonded to one or more runner bars adjacent to the patterns, and/or to one or more patterns, esp. in a lost-wax pattern cluster combined with runner bars. The reinforcing material or parts pref. consists of a ceramic, refractory, or a silica material, applied after the wax cluster has been covered by at least one coating which forms a shell mould. Used e.g. in the mfr. of shell moulds around lost wax patterns, where reinforcement is required to hold the cluster together such as when a very large number of patterns are mounted on the runners and hence the final shell mould is weak.