baber/WOPTO huggingface dataset:
Patent DE-2247794-A1 (DE)
Title: Pressure relieving inner shell of pressure vessels - by filling intershell space with fluid at same pressure as working medium
Inventor: GRUPE OTTO
IPC: B65D90/04
Filed: 1972-09-29
Abstract: The inner shell of a press. vessel can be relieved of press. while preventing any contact of corrosive contents with the outer shell. To do this, the space between inner and outer shell is filled with an inert fluid or gas. Its press. is kept at the same level as the contents by a compensator vessel.
Patent DE-2256483-A1 (DE)
Title: Unsatd. nitriles for perfumery - prepd. from opt para-alkyl - substd. benzyl acetone and cyanoacetic acid in presence of weak bases
Inventor: BAUER KURT DR
IPC: C07C255/34
Filed: 1972-11-17
Abstract: Unsatd. nitriles having the general formula p-R-C6H4-CH2CH2-CMe=CHCN (I) (where R is H or lower alkyl) present as the cis- or trans-isomers can be used in perfumery as such or separated into their components, esp. in 0.01-25 (0.1-10) wt.% concn. w.r.t. total perfume compsn., for cosmetics, fine perfumery, washing agents, detergents, soaps, dish-rinsing agents, textile rinsing compsns., buble baths, shampoos, cleansing agents, cold perms., deodorants, bath salts, powder and creams. (I) are prepd. by reacting opt. p-alkyl-substd. benzyl acetone, esp. the p-Me-, -Et-, -n- or -iso-propyl deriv., with cyanoacetic acid in the presence of a weakly basis catalyst and decarboxylation in situ under reaction conditions. Prod. mixt. contains (I) as well as beta, gamma- and beta, gamma'-isomers, and is pref. isomerised to (I) by reaction with a base, esp. an alkali alcoholate, used in 0.01-10 mole/mole isomer mixt. concn at -80 degrees C to +120 (0-50) degrees C.
Patent DE-2333907-A1 (DE)
Title: Voltage isolated measurement of high voltage direct current - isolation provided by optical coupling
Inventor: HAHN KARL DIPL-ING
IPC: G01R15/22
Filed: 1973-06-29
Abstract: An arrangement for the voltage-free measurement of the value of DC currents at high voltages, especially those of the traction motors of railway locomotive units, is suitable for the derivation of signals representing the actual current values for comparison with required values in an automatic control system, it operates by conversion of the current to a proportional pulse-width or frequency modulated pulse train which controls an optical coupling device connected to an output integrator; the coupler may contain a light emitting diode with a phototransistor to provide electrical isolation.
Patent DE-2337731-A1 (DE)
Title: Compression ignition engine precombustion chamber - has spherical baffle plate on extension between the burner channels
Inventor: DINGER HANS DR-ING
IPC: F02B19/18
Filed: 1973-07-25
Abstract: The antechamber core piece is cylindrical and forms a one piece unit comprising of extension and spherical baffle plate pressed into the central aperture in the burner. The connecting channels from the main combustion chamber to the antechamber are formed by grooves in the core or the aperture. The core is chilled and pressed into the preheated antechamber since the corepiece is subjected to a greater heat that the outer section of the burner under working conditions, a secure fixture is assured in the groove circumferences.
Patent DE-2338245-A1 (DE)
Title: Corrosion-resistant, weldable coating on metal - composed of chromium and a pigment in a binder compsn.
Inventor: PALM BERT E
IPC: B05D5/12
Filed: 1973-07-27
Abstract: The coating, when applied to a metal substrate, has sufficient electrical conductivity to give good weldability using resistance welding. A portion of the surface of the substrate to be welded is covered with a compsn. contg. resin free Cr (VI), and a reducing agent to give a coating contg. is not >0.27 gCr/m2. Over this coating is laid a top coating or primer compsn., of thickness is not >0.05 mm, contg. a particulate electrically conducting pigment, pref. Zn, and a binder in a vehicle. The binder is a rubber or synthetic resin, and the ratio of pigment to resin is 2.3 19 : 1 in the primer.
Patent DE-2344904-A1 (DE)
Title: Self aligning tailstock - workpiece cone coupled to mounting cone via universal coupling
Inventor: HARANT WALTER
IPC: B23B23/02
Filed: 1973-09-06
Abstract: The end of the tailstock mounting cone is provided with a spherical end which has an annular groove along its base. The workpiece mounting cone is provided with a part which has a hemispherical hollow end. This part is placed over the spherical end on the mounting cone. Screws in this part protrude into the groove in the mounting cone and retain it. If there is any misalignment between the centre lines of headstock and tailstock, this will be taken up by the spherical coupling.
Patent DE-2348414-A1 (DE)
Title: Electronic switching matrix for telephone exchanges - has FET switching points whose main channels switch through transmission paths
Inventor: HOEHNE WERNER DIPL ING
IPC: H04Q3/52
Filed: 1973-09-26
Abstract: Electronic switching points consist of transmission gates with two complementary fET's or MOSFET's with insulating gate. FET's controlling the transmission gate contain complementary MOSFET's. A transformer is connected by its high resistance input to the transmission path or matrix input, or to the transmission path or matrix output. Transmission paths have two wires, with common control of the two switching point transmission gates in each stage. The first MOSFET control electrode has a coupling point transmission gate connected through an inverter with the control electrode of the second MOSFET. These units are connected in the same circuit element as a flip-flop connected to the output of a three-stage gate element.
Patent DE-2352236-A1 (DE)
Title: Axial blower for pipelines - features auxiliary flow between blower wheel and casing of same or higher energy as main flow
Inventor: JAHNKE ALBERT
IPC: F04D29/68
Filed: 1973-10-18
Abstract: Axial blower, especially for passing air or gases in pipelines where, to displace the flow disruption limit int the region of the boundary layer, an auxiliary flow is fed in the feed direction between the blower impeller and the blower casing through the gap between the blades of the blower impeller and casing. This flow has the same or higher energy level as the fed air or gas behind the blades. The strength of the flow is so chosen that its core flow fills the impeller gap. The ring orifice is so spaced with respect to the impeller that the air picked up on this section achieves the mean flow speed at each point of the flow cross section.
Patent DE-2355845-A1 (DE)
Title: Shuttle-cock with tripod base - lands in vertical position and is picked up with special throwing stick
Inventor: WEIGAND HANS H
IPC: A63B67/18
Filed: 1973-11-08
Abstract: The shuttle-cock of plastic has thre outwardly sloping legs of Y-cross section, which terminate in feet provided with rubber buffers. The other end of the shuttle-cock has a guiding element which is a conical basket attached by ribs to a ring which, in turn is attached to the shuttle-cock body. The centre of gravity of the shuttle-cock is arranged to be near the feet so that the shuttle-cock will fall in the upright position. It can then be easily picked up by use of a specially curved throwing stick so that the player need not bend down to retrieve it. An alternative form of guiding element is of cruciform cross-section.
Patent DE-2359718-A1 (DE)
Title: Universally adjustable sun visor for car - has folding blinds mounted from guide rails under car roof
Inventor: RICHTER EBERHARD
IPC: B60R7/04
Filed: 1973-11-30
Abstract: A U-shaped frame is fitted under the car roof with the open end of the U pointing backwards. One or more blind holders are suspended from the frame by means of spherical glides so that they can be slid into any setting along the frame. The blind is then pulled down by the amount selected by the driver. The rear ends of the frame can be telescopic so that the blinds can be slid alongside the side window to prevent glare from the side. The inside area of the frame can be filled by an accessory pocket to house a first aid kit. The visor system enables the driver to set the blinds in the optimum position, by not being constrained by a fixed pivot point as in conventional designs.
Patent DE-2402052-A1 (DE)
Title: Light expanded clay and slate aggregates mfr. - in which surplus hot air from the cooling drum is fed directly to the pre-heater
Inventor: KLEINBRAHM ACHIM
IPC: C04B20/06
Filed: 1974-01-17
Abstract: A light expanded clay or slate aggregates and similar blown materials are mfd. in a plant consisting of three rotary drums arranged in sequence for pre-heating expanding and cooling of the initial granulate in counter current to gases flowing in the reverse direction, i.e. from the cooler to the furnace and then to the pre-heater. A gas pipe is used which projects into the cooler. The gas pipe (for air) pref. extends through more than half the length of the cooling drum and is used either directly or indirectly to supply air heated by the cooling aggregate via a pipe which by-passes the furnace and carries the hot air into the pre-heating drum. Maximum thermal efficiency is obtd. by using all the heat in the cooling aggregate. Normally, the amt. of air used in the cooler is far greater than the air needed in the furnace; in this invention, the surplus hot air is fed to the preheater via a by-pass.
Patent DE-2403543-A1 (DE)
Title: Removing plastics coatings from a substrate - by applying abrupt thermal stress
Inventor: SCHOLT EGON
IPC: B44D3/16
Filed: 1974-01-25
Abstract: Plastics coatings are removed from a (non)-metallic substrate by generating abruptly a temperature difference between the coating to be removed and the substrate. The technique can be used for the removal of protective coatings from containers for re-coating, and provides complete and clean removal of the coating without risk of damage to the substrate. The temp. difference may be generated either by sudden heating or by sudden cooling, either of the coating or substrate. This may be achieved e.g. by applying liq. CO2 onto the coating.
Patent DE-2410391-A1 (DE)
Title: Heat exchange between air conditioning flow and return - has several independent pairs of linked heat exchangers
Inventor: HAUSMANN HANS DIPL ING
IPC: F24F12/00
Filed: 1974-03-05
Abstract: The system effects exchange of heat between the intake and exhaust air streams of an air conditioning plant. One set of heat exchangers is placed in the air intake duct and a second set of heat exchangers is placed in the exhaust air duct. Each exchanger of one set is linked by pipes to one exchanger of the other set. Each pair of linking pipes contains a pump and is connected to an expansion vessel. A liquid heat transfer medium is circulated through the exchangers having a higher mass flow rate than the air stream. The use of independent circuits with their own pumps provides a simple form of step control.
Patent DE-2416185-A1 (DE)
Title: Motor vehicle pneumatic tyres - spraying thermosetting elastomeric polymer on the inner wall of a mould cavity using rotary nozzles
Inventor: TIMM THIES DIPL CHEM DR
IPC: B29D30/06
Filed: 1974-04-03
Abstract: Pneumatic tyres are produced in a mould without the use of a inner core by spraying the inner wall of the mould cavity with a thermosetting elastomeric polymer using rotary nozzles which can be supplied independently with polymers of differing composition. Mould is simplified through dispensation with inner core.
Patent DE-2416597-A1 (DE)
Title: Foam core moulding with very smooth skin - produced by gradually increasing mould vol during injection
Inventor: ECKARDT HELMUT DIPL ING
IPC: B29C44/42
Filed: 1974-04-05
Abstract: Mouldings, having a smooth surface and a foam core are mfd., using thermoplastics contg. an expanding agent, by injecting the material into a mould having an initially reduced size, and increasing the mould vol. until the final size is reached; the increase in the mould vol. is commenced at least during the injection operation, in partic. with injection commencing simultaneously with the increase in vol. Pref., the increase in the mould vol. is terminated before, simultaneously with, or after the completion of the injection operation. The moulding has a skin of such smoothness that no further treatment is required before lacquer is applied.
Patent DE-2422664-A1 (DE)
Title: Pyroelectric rhombic magnesium barium fluoride monocrystal - for measuring temp. or radiation intensity or thermoelectric current prodn.
Inventor: HAUSSUEHL SIEGFRIED PROF DR
IPC: G01K7/00
Filed: 1974-05-10
Abstract: Pyroelectric element, for measuring the intensity of electromagnetic radiation, for measuring temp. and for thermoelectric current generation, consists of a monocrystal of rhombic MgBaF4, pref. doped with mono-, di- or trivalent cations. This monocrystal has advantages over conventional monocrystals, esp. tri-glycine sulphate (TGS.) It can measure event extremely small radiation intensities of all frequency ranges and also other energy streams, e.g. neutrons, electrons or alpha-particles. It is also suitable for direct spectral analysis.
Patent DE-2422952-A1 (DE)
Title: Steady flow carton packing machine - has vertically sliding frame portion with grab truck and item guide
Inventor: AMMANN SIEGFRIED ING GRAD
IPC: B65B35/36
Filed: 1974-05-11
Abstract: The machine is particularly for handling such items as yoghurt cups to be enclosed in cartons, having a guide in which the items slide from the filling machine in one or more parallel rows, also a grab truck working to and fro in a frame above the guide and delivering them to a discharge point. The frame comprises a stationary first portion (6), on which a second portion (7) slides up and down, incorporating the truck (4) and the guide. It can work in a plain bearing (8) in the first one. The up-and-down movement can be achieved by a non-reversible worm drive (9, 10) with a horizontal lever coupled to the worm wheel (11), and a vertical thruster coupled between the lever and the underside of the second portion.
Patent DE-2424154-A1 (DE)
Title: Double-skinned light structure wall panels - with rectangular-sectioned batten-type spacers clamped in square groups
Inventor: PERTL PETER
IPC: E04C2/36
Filed: 1974-05-17
Abstract: The two skins of the light panel are glued together with an intervening layer of parallel spacer elements. These are in the form of rectangular-cross-sectioned battens, clamped together in square clusters, and provided successively on one of the two surfaces which run parallel to the stressing direction, with a layer of adhesive. When tension is released the battens are set on one of the two panel skins, with an adhesive layered surface, the panel being mounted horizontally, with the battens parallel to two opposite sides. Finally the other panel skin is set on top of the upwards directed adhesive-layered batten surfaces, in alignment with the first which is at the bottom underneath it.
Patent DE-2427868-A1 (DE)
Title: Differential gas pressure measuring device - has bell gauge immersed into sealing liquid in pressure tight case
Inventor: FREITAG EDMUND ING GRAD
IPC: G01L13/04
Filed: 1974-06-10
Abstract: Onegas is fed from below into the bell(1), and the other is fed into the top part of the case; in its extreme positions the bell operates valves blocking gas admission to the corresponding chamber; the bell position is the measure for the differential pressure. Further valves are provided inside the case, one in the bell wall near its bottom edge, a second in the outlet of the pipe feeding gas into the bell, and the third between the gas inlet at the case tope and the upper gas chamber; the first valve consists of one or several holes in the bell wall made at the same level.
Patent DE-2428885-A1 (DE)
Title: Blind riser shells for use in making sand moulds - provided with top exit hole for escape of gas and air during casting
Inventor: BAUR EDUARD DR ING
IPC: B22C9/08
Filed: 1974-06-14
Abstract: Blind, hollow, lost riser-shells for moulds, are made of plastic or organic and/or inorganic-fibres, and pref. having a uniform wall-thickness. The top of the riser-shell is provided with an insert which ensures the immediate exit of gas and air. The insert may consist of (a) a sieve; (b) a core permeable to gas with an annular gap for the exit of air; or (c) a permeable core with several radial centering and support surfaces. Core (b) is pref. made of refractory, esp. bonded silica sand, or, alternatively, made of a deep-drawn plastic foil filled with the moulding sand surrounding the riser, which pref. has a collar to carry the insert or core.
Patent DE-2435239-A1 (DE)
Title: Testing of large dia pipelines - by sealing with ice plugs
Inventor: BRISTER BERYLE D
IPC: F17D5/02
Filed: 1974-07-22
Abstract: Sections of large dia. pipeline are isolated, for testing or subsequent repair if necessary, by freezing short lengths of a slug of water. A high pressure is applied to the area between two frozen portions, and a lower pressure is applied to the outer sides of the seals so that leaks in the seals themselves can be detected. Newly installed or old pipelines can be tested with the need for cutting, for the insertion of test manifolds, or subsequent rewelding.
Patent DE-2438804-A1 (DE)
Title: Ice cream lollipop - with caramel layer between ice cream and stick, giving secure attachment of the ice cream to the stick
Inventor: FINNEY JANET MARY
IPC: A23G9/50
Filed: 1974-08-13
Abstract: Ice cream lollipops are attached to a stick with a caramel coating which extends over the length of the ice cream. The caramel coating is applied to the stick before it is dipped into the ice cream mix. This eliminates the tendency of the ice cream lollipops to slide off the stick, particularly if it has been out of the refrigerator for some time.
Patent DE-2438814-A1 (DE)
Title: Electric hand drill speed control - comprises potentiometer in insulated channel, knob controlled from outside
Inventor: KRESS WILLY
IPC: B23B45/02
Filed: 1974-08-13
Abstract: Electric hand drilling machine with a hollow space in the motor part to take a speed control, where the space comprises an insert channel provided with a pin box (7), and the speed control (9) is an insertable unit. The insert channel has grooves to guide the speed control (9), and is covered by an intermediary flange (14), which locates rotatably on the drive mtor armature shaft (16). The insert channel is electrically insulated and the control (9) is a connection pressed into a plate, comprising a rotation potentiometer for manual speed adjustment. A rotary knob (10) projecting sideways through an aperture in the housing serves for manual adjustment.
Patent DE-2439804-A1 (DE)
Title: Noiseless guides for conveyors - with polyurethane foam parts on rigid shaped core
Inventor: POSCHENRIEDER MARTIN
IPC: B65G21/20
Filed: 1974-08-20
Abstract: Guide rails for container conveyors, partic, for bottles and tins, have a shaped core completely covered with elastic sound-absorbing material pref. soft polyurethane foam and with grooves on the side towards the containers to hold sound-absorbing profiled guides, pref. of polyamide tube material. Cheap and simple components are used to provide almost noiseless guidance to conveyed articles.
Patent DE-2443045-A1 (DE)
Title: Flexible resilient plastics deliver channel or pipe - for transporting tree trunks with bark downhill
Inventor: MEYER WALTER DIPL ING
IPC: B65G11/18
Filed: 1974-09-09
Abstract: Delivery channel or pipe for tree trunks consists of elements made of polyethylene or PVC, of which the dia. decreases slightly from one end to the other to allow them to overlap when joined together. The elements pref. include side straps by which they are attached to upright trees by means of stakes or steel tubes in the ground or by means of cables, and are fixed together by rapid fastening means, e.g. bayonet connections provided on upwardly directed extensions of the elements, or a knob on the bottom surface of the element which is clamped between pivotable jaws of an adjacent element.
Patent DE-2443409-A1 (DE)
Title: Sanitary towel connecting hook - manufactured in form of continuous band for separation into individual hooks by user
Inventor: STEINER KARL
IPC: A61F15/00
Filed: 1974-09-11
Abstract: Connecting hook for sanitary towel may be made of wire, sheet metal or plastics, and is manufactured in the form of a continuous band by a continuous process independently of the type of hook, for the purpose of cheap rational manufacture and convenient storage by the user, for separation into individual hooks by the user herself.
Patent DE-2445300-A1 (DE)
Title: Hand-generator and drive-motor system with knob - enables setting of portions of instrument to be changed by rotating knob
Inventor: BARDOCZ ARPAD DR
IPC: H02K7/00
Filed: 1974-09-21
Abstract: The hand-generator drive-motor system has a combination of the component executing linear or rotary or rocking motion and a drive motor operating it. The motor is supplied with a voltage from a generator driven by hand. When several components are driven from several motors, all the motors are supplied from the same hand-operated generator. The advantage of this hand-generator/drive-motor system lies in its needing no servicing and in being constantly ready for use (because it requires no external voltage supply). Fine adjustments can be undertaken using suitable gearing.
Patent DE-2446166-A1 (DE)
Title: Air conditioning system - utilizes heat from lamps to influence the air temperature
Inventor: HOENMANN WINFRIED DR ING
IPC: F24F13/078
Filed: 1974-09-27
Abstract: The system blows air into the room, and simultaneously removes air from it. A certain amount of heat, produced by switched-on lamps, may be removed, without influencing the room temperature. Over a certain area of the cooling load, more lamp-produced heat is removed directly with the air, or fed into the room by the air, the smaller the cooling load of that particular room. With switched-on lamps, the amount of air blown into and removed out of the room during a period of time, is maintained constant in that load area. When the lamps are switched-off, the amount of air supplied is correspondingly adjusted.
Patent DE-2454662-A1 (DE)
Title: Heating or cooling radiator - has lower panel connector pipe divided by lengthwise partion with cylindrical bush
Inventor: BAST TIJMEN
IPC: F24H9/12
Filed: 1974-11-19
Abstract: The radiation panels are joined at top and bottom by short connector pipes to which the supply of cooling or heating water is connected, the lower pipe being of square section. This pipe is divided by a lengthwise partition into two rectangular-section chambers, and a union on the underside of the chamber nearest to the radiator core, forms the only connection to the inside of the panels. A further union is situated on the free sidewall of the other chamber. A vertical pipe runs from the top of this other chamber to the upper connector pipe. A cylindrical bush is welded into an opening in the partition, approximately as long as the distance between the free walls of the two chambers, the end neares the wall of the first one being closed, while there are diametrally opposite apertures in it offset in the lengthwise direction, each opening into one of the chambers. A rotary bush fits in this bush and protrudes through the opening in the sidewall of the second chamber, to which it is sealed, the inlet for the water being connected to its free end. The rotary bush has openings in line with those in the outer one, and at an angle of 90 deg. to each other.