baber/WOPTO huggingface dataset:
Patent DE-2531681-A1 (DE)
Title: Stacking cradle for pressure vessels - ensures large number of vessels can be transported in one load without inter contact
Inventor: BERWALD ERNST
IPC: B65D88/12
Filed: 1975-07-16
Abstract: A support cradle for pressure vessels of a cylindrical form allows secure stacking without the possibility of movement during transport. A single cradle is fabricated in box section form from angle section material. Corner sections are built in with locating slots to allow cradle stacking and keying together. A single cradle is sized to allow several vessels to be located side-by-side. Each vessel is supported on a mounting formed of tube and angle sections with clamps. Full retention of the pressure vessel within the cradle is achieved by clamping bars located at front and rear on the top side.
Patent DE-2532533-A1 (DE)
Title: Short duration diving apparatus - uses manually chargeable air container and distant breathing sack
Inventor: MEINHARDT DIETER
IPC: B63C11/20
Filed: 1975-07-21
Abstract: The short-time diving apparatus consists of a pressurized air container, which is connected to a breathing air sack via a hose. The hose is 20m long, and has an outlet valve. The air sack supplies breathing air to a diver via a concertina hose with valve mouth piece. The air container consists of light material, e.g. hard PVC, rubber, aluminium etc. and is also suitable as a floating body. The container may be charged in situ via a manually- or motor driven air pumpt at a relatively low pressure (approx. 2-10 atmospheres). The outlet valve at the end of the hose may be opened manually or automatically. The valve in the divers mouth piece allows breathing-in but not out. Used air is released to the water.
Patent DE-2535156-A1 (DE)
Title: Stepped thickness layer for semiconductor devices - produced by differential irradiation of photolacquer and developing and etching stages
Inventor: FRIEDRICH HANS DIPL PHYS
IPC: H01L21/027
Filed: 1975-08-06
Abstract: Zones of different thickness are produced in a SiO2 layer on a Si semi-conductor wafer by applying a photolacquer layer. This layer is irradiated in such a way that the solubility of the lacquer in the various zones during development varies and is inversely proportional to the layer thickness. Consecutive etching and development from exposed step to exposed step produces the desired profile for the SiO2 layer. Eliminates the difficulties arising when several consecutive masks have to be used.
Patent DE-2537880-A1 (DE)
Title: Comminution device for grindable materials - has vibrating rotor with hammers attached and independently vibrated body housing (OE150975)
IPC: B02C13/26
Filed: 1975-08-26
Abstract: A device for comminution of material requiring to be ground having at least one rotor with attached hammer or striker devices which are attached within a body housing having impact bodies and a sieve or riddle through which comminuted material of the requisite size can pass out having the impact bodies and the sieve mounted so that they cannot move within the body housing, has each rotor (1) mounted independent of the body housing (2) and the body housing (2) itself can be power driven to produce a vibrating motion as well by means of an imbalance type motor (15).
Patent DE-2540047-A1 (DE)
Title: Height adjustable road surface cutter roller - swivels about centre line horizontal axis and movable lengthways both sides
Inventor: ALBERTINI WILLI
IPC: E01C23/088
Filed: 1975-09-09
Abstract: The mobile machine is used for cutting away worn layers of bitumen and concrete, esp. in road construction. The cutter roller (5) is mounted on the vehicle so that it can swivel about a horizontal axis (3) extending in the vehicle's longitudinal centre line, and can be moved lengthways on both sides. The swivelling and height adjusting media may be activated by hydraulic or electronic levelling devices. The interval between the roller's two lateral mounting bearings (11) may be continuously adjustable. If both have drive, they may be synchronously or independently driven. There may be pre-heating panel (22) at the opposite end to the roller. This is compact, and ensures smooth stripping in small surface areas.
Patent DE-2545740-A1 (DE)
Title: Pneumatic slide drive with oil damping - has damping characteristics of air chambers kept constant using oil chamber reservoirs
Inventor: GRIESSER OTTO
IPC: F15B11/076
Filed: 1975-10-11
Abstract: The slide drive consists of a compressed air cylinder with two pistons and a piston rod. The piston rod is fixed to the frame over which the slide can move. At least one of the pistons can move freely over the piston rod. The air cylinder is connected to the slide. The section of the air cylinder between the two pistons is divided into two oil chambers. The volumes of the oil chambers depend on the position of the cylinder. The compressed air chambers for moving the cylinder, are between the pistons and the cylinder end walls. The oil chambers are divided by a wall with a choke throughlet opening. The pistons are provided with grooves which are connected by radial channels to an outlet channel for leakage oil.
Patent DE-2547307-A1 (DE)
Title: Movable retractable sports hall platform stage - with flat faced load spreading components raisable for transport to prevent floor damage
Inventor: JANSSEN JACOBUS MARINUS HENDRI
IPC: E04H3/12
Filed: 1975-10-22
Abstract: The retractable platform stage is designed so that its floor loading is retained at a low level even when fully loaded, ensuring that no damage is caused when it is moved over a 'soft elastic floor, of the type found in sports halls. The individual platform components which are joined together with a small degree of play allowed are in contact with the floor only with flat bearing surfaces (14, 15). They can be raised by one or more hoist carriages, and moved about by these in the raised position. Where each component comprises support frames (G) and across ways-aligned seating and running unit (7), the support frames are fitted with horizontal side battens for engagement from below by the hositing gear carrier arms.
Patent DE-2554316-A1 (DE)
Title: Lock for car safety belt - has engine ignition circuit left open until belt buckle is locked
Inventor: SCHELP WERNER
IPC: B60R22/48
Filed: 1975-12-03
Abstract: One end of the safety belt is provided with a buckle (30) which has a small hole near its tip. The other part of the safety belt is provided with a housing with a slot to receive the narrow end of the buckle. The hole engages a pin which can be released by pressing a button. As the end of the buckle slides into the housing it pushes against the spring loaded slider provided with two electrical contacts. These contacts engage the ends of the twin core cable connected to the engine ignition circuit. It is thus ensured that the engine cannot be started until the safety belt is locked.
Patent DE-2556505-A1 (DE)
Title: Small hydraulic press for compacting domestic refuse - has electrically operated pressure plate with spring loaded piston plunger
Inventor: BACHMANN HANS
IPC: B30B/
Filed: 1975-12-16
Abstract: Refuse is put in a bag (36) which lines the octagonal shell (26) of the press. The shell is hinged to one of the supporting columns (37a,3), on which it can be swung out and the hinged door opened (46,32, catch 45) for the bag to be removed. A spring round that supporting column (3) keeps the shell raised from the ground, so that it is easier to move. The electrically-pumped hydraulic press is supported on a stout plate above the shell with three columns (3,4,5) supporting it. The plunger of the press operated by the piston rod (10) fits the octagonal shell. It is pushed down to the base plate (1) when the plunger is operated against the spring that normally holds it raised.
Patent DE-2556942-A1 (DE)
Title: Yarn twisting device - with improved access and protection against malperation in case of yarn break
IPC: D01H1/42
Filed: 1975-02-24
Abstract: In an appts. for twisting a yarn, comprising a spindle for the reception of a bobbin, a sleeve enclosing this bobbin and fixed to the spindle and yarn guide situated in the extension of the bobbin axis as well as a fixed sleeve coaxially surrounding but radially spaced from the rotating sleeve and projecting above this up to the yarn guide, the fixed sleeve has a slot extending over part of its periphery and-viewed in the axial direction the slot is situated at the level of the yarn guide and of the rotating sleeve. Access to the bobbin and gripping of this for insertion or removal from the apparatus is facilitated, ensuring defect free operation in the case of a yarn break.
Patent DE-2601849-A1 (DE)
Title: Strip connector with two terminal clamps - has isolating slider and clamps secured in insulating housing with indicator for closed position
Inventor: WIELAND FRIEDRICH DR ING
IPC: H01R9/26
Filed: 1976-01-20
Abstract: The strip connector is intended for electric installations and consists of two terminal clamps and an isolating slider inserted in parallel to the axis of the clamping screw for the terminal clamps. The isolating slider (7) and the two terminal clamps (3,4) are firmly located in an insulating housing (2). It is provided with a signal element indicating the closing position. The slider has an arrester for each of its two end positions, i.e. the opening and closing one respectively. Preferably the slider is covered on one side by a protrusion (20a) of the face wall of the insulating housing. A stop cam (9) may be formed on the housing and engages an elongated aperture with a narrowed down opening (10) in the slider.
Patent DE-2603117-A1 (DE)
Title: Feeding procedure for cigarette packing machines - involves reduction of cigarette pick up speed to minimum and then speed is raised to maximum within cycle
Inventor: VANEK ZBYNEK
IPC: B65B19/28
Filed: 1976-01-28
Abstract: The apparatus is used as a feeder for objects which are to be packed at a variable speed in a working cycle. It is used especially in cigarette packing machines where the pick-up of the packed objects is reduced to a minimum by means of a Whitworth mechanism in the feed points of the packing material and the labels. The pick-up speed is then raised in the sections between the feed points of the packing material and the labels to an allowable maximum. This system avoids damage to delicate cigarettes caused by high accelerations and severe shock loading.
Patent DE-2607277-A1 (DE)
Title: Centrifugal atomiser with easy removal of motor - has separate motor housing fitting on top of housing containing rotor
IPC: A61M15/00
Filed: 1976-02-23
Abstract: The centrifugal atomizer is esp. for inhaling purposes, and has a motor-driven centrifugal rotor, which immerses into a lower housing part, formed as a water container. The rotor (9) and/or the other parts of the atomizer which are charged by the fluid or the mist produced, may be easily removed without auxiliary tools from the non-charged and not fully disinfected motor part. The motor is fastened easily removable to the outside of the housing (1, 2). The rotor is fastened similarly on the motor shaft (7), which projects through the housing wall into the interior. The rotor has a rotation-symmetrical truncated cone-shaped or paraboloid external shape, and its base (12) faces away from the floor of the water container.
Patent DE-2617371-A1 (DE)
Title: Prefabricated concrete unit short span ceiling - comprising self supporting upwards tapering hollowed beams with site concrete gaps
Inventor: KRAEMER ALOIS
IPC: E04B5/06
Filed: 1976-04-21
Abstract: The floor-ceiling structure is a short-span one made up from prefabricated concrete units close together and extending from wall to wall. It is designed for rapid laying with a simple hoisting appliance. The concrete units are in the form of a self-supporting beam (1), of length matching span width plus support length. They incorporate a continuous cavity (2) parallel to the longitudinal axis, and the two sides (5) converge from bottom (4) to top (3), providing a site concrete gap (6) between adjacent beams. There may be a lengthways channel (7) on each side. Beams may be trapezoid in cross-section. There may be downwards projecting fixtures in the gaps, before site concreting, for protective shell attachment.
Patent DE-2619759-A1 (DE)
Title: Buoyant mat for heavy loads - has cellular float structure elastically connected and pressurised to give hydropneumatic suspension
Inventor: SELLIN JAN ING GRAD
IPC: B63B35/53
Filed: 1976-05-05
Abstract: The buoyant load carrying mat. comprises interconnected floats pref. shaped as solids of rotation, supporting a load carrying grip platform (4) via hollow vertical spindles (2) sliding inside cylinders (11). A hose system allows the floats to be pressurised to provide hydropneumatic suspension. Sideways steadying links are elastic for the cylinder and jointed between downward extensions from the floats, to limit float movement to the vertical plane though there is some all-round flexibility. Damping is provided by sinkers linked to balance weights by ropes running over pulleys at the bottom of the floats.
Patent DE-2620982-A1 (DE)
Title: Iron electrode for alkaline accumulators - coated with active compsn., bonded by aq. polyvinyl alcohol admixed with dehydrating agent
Inventor: KONONENKO VIKTOR JEVMENJEVITSC
IPC: H01M4/26
Filed: 1976-05-12
Abstract: Fe electrodes of alkaline accumulators are produced by coating a steel plate grid with an active compsn. contg. a mixt. of magnetite ore concentrate, Fe2O3, synthetic fibres technical grades FeS, aq. NiSO4 soln. aq. surfactant soln. and polyvinyl alcohol. Dehydrating agent (I), e.g. conc. H2SO4, to the aq. polyvinyl alcohol soln. heated to a higher temp. before mixing with the remaining components of the active compsn. Compsn. is then smeared into grid and dried 15-30 min. at 110-180 degrees C, until degree of dehydration of polyvinyl alcohol reaches 25-30 mole % of double bonds. Use of aq. polyvinyl alcohol with a dehydrating additive as binder (i) improves bonding of active components with one another and grid, (ii) obviates need for organic solvents and prevents generation of toxic gases when drying electrodes, (iii) reduces electrode cost, (iv) reduces Fe consumption)1 A hr. by 35-40% and electrode wt. 2x. Film elasticity, electrical conductivity, strength, resistance to water and alkali at high temps. are improved.
Patent DE-2628993-A1 (DE)
Title: Polyurethane rubber casting compsns. - from diisocyanates, polyols and chain extenders, with formation of isocyanate rich and hydroxyl rich prepolymers
Inventor: CARDY CHARLES FREDERICK
IPC: C08G18/12
Filed: 1976-06-28
Abstract: The process comprises the stages of (a) forming a quasi prepolymer rich in isocyanate gps. by reacting all the diisocyanate with part of the polyol; and (b) reacting the quasi prepolymer with the remainder of the polyol and all the chain extending agent. Stage (b) is carried out by reacting sufficient of the quasi prepolymer with the remaining polyol and all the chain extending agent to form a prepolymer rich in hydroxyl gps., and reacting this prepolymer in the liq. phase with the remainder of the quasi prepolymer to form the polyurethane. Process allows the prodn. of urethane casting compsns. with adequate pot life and good rate of cure compared with prior are systems. The compsns. are esp. useful for the prodn. of cast polyurethane rubber articles with excellent dynamic resilience, e.g. for making solid tyres. Specific constituents of the compsn. are 4,41-diphenylmethane diisocyanate; polyester polyols, polyether polyolols or polylactones; and chain extending agents such as ethane diol, butane 1,4-diol, diethylene glycol and 1,4-bis-(2-hydroxyethoxy)benzene.
Patent DE-2633031-A1 (DE)
Title: Secondary binary counter adjustment circuit - counts sum of primary counter reading and coded constant and uses intermediate counter
Inventor: GREEN JOHN
IPC: H04Q11/04
Filed: 1976-07-22
Abstract: The circuit adjusts the counter to the sum of an even n-fold or 1/n-fold multiple of a binary number delivered by a primary counter, and a binarily coded constant. The circuit has an intermediate counter of the same capacity as the secondary counter, stepped forward synchronously with the primary counter. Secondary counter stage outputs are connected to higher or lower stages of the intermediate counter, differing by n-th or 1/n-th power of 2. Intermediate counter is set at the beginning of counting to the 1/n-fold or n-fold multiple of the binary value of the constant. When the primary counter reaches the specified reading, secondary counter takes over the intermediate counter content.
Patent DE-2638438-A1 (DE)
Title: Cultivator with retractable tools - has tools connected so that when one retracts others are pushed forwards
IPC: A01B61/04
Filed: 1976-08-26
Abstract: The cultivator has several tines which retract when meeting soil obstructions. The tools (28, 29, 30) are so arranged in balance connection with each other that, when one of the tools flexes backwards, the rest of the tools are pressed forwards in the opposite sense. The tools are supported on the implement carrier (20) so that they can pivot about a top transverse pivot shaft (X1, X2, X3). With equal positioning of the tools, the transverse pivot shaft (X1, X2, X3) lies in or in front of the vertical transverse plane of the implement which contains the area of engagement of the tools on the ground.
Patent DE-2639871-A1 (DE)
Title: Wet malt prepn. for beer prodn. - comprising comminuting the malt in hot water, mashing with cold water, and with kiln dried malt
Inventor: HUYMANN ELMAR
IPC: C12C1/18
Filed: 1976-09-04
Abstract: Working up wet malt in beer mfr. comprises comminuting the wet malt between 65 degrees C and the boiling temp. of the water, while simultaneously converting the barley starch into a paste. The comminuted wet malt is then mashed with water and crushed kiln dried malt at 50 pref. (45-48) degrees C. Comminuted wet malt and barley malt paste contact the enzymes of whole kiln dried malt, and high enzyme concn. helps quick degradation of the beta-glucans, saccharification of the starches and degradation of the protein to peptides for the yeast. Filtration-, yeast deposition- and foaming difficulties are avoided. High enzyme concn. allows use of up to 40% wet malt, opt. prepd. with fodder barley which cannot be processed to kiln dried malt. Pasting while soaking during comminution prevents blocking of brewing vessels. Warm water can be used for pasting.
Patent DE-2645056-A1 (DE)
Title: TEM waveguide for microwave engineering - had outer conductor as pair of plane parallel plates with inner conductor between and perpendicular to plates
Inventor: WIESBECK WERNER DR ING
IPC: H01P3/08
Filed: 1976-10-06
Abstract: TEM-waveguide for h.f. and microwave engineering e.g. for phase shifters, attenuators, detunable short-circuits switches etc. is designed to be as broad-band as possible consistent with having a flexible inner conductor that is movable in one plane and which has a constant characteristic impedance. Thus, the outer conductor is designed as a pair of plane-parallel flat plates between which is an inner inner conductor lying perpendicular to both plates. The inner conductor is arranged as a flat strap partially metallised on one or both sides, the strap being flexible and dielectric in nature. The characteristic impedance is tunable by means of the spacing (D) between the pair of flat plates.
Patent DE-2645938-A1 (DE)
Title: Heater tube cleaning appts. - has plunger pump delivering fluid to nozzle in sleeve with suction pipe and filter to process spent fluid
Inventor: BETTELLA GIANCARLO
IPC: F23J3/02
Filed: 1976-10-12
Abstract: The apparatus is for cleaning combustion residues from heater tubes. It has a plunger pump which is positioned in a reservoir containing a cleaning liquid. A nozzle is slidable in a sleeve which may be associated with the end of a smoke tube, the nozzle being connected to the pump by a discharge pipe. A suction pipe is connected to the sleeve, filters being included to remove the residues from the spent cleaning fluid. The sleeve pref. has a frustoconical end to accommodate heater tubes of different diameters.
Patent DE-2647298-A1 (DE)
Title: Elastic bearing for wheel strut - has asymmetric elastic sleeve housed in conical bore and cylindrical metal sleeve held by bolt
Inventor: OHE MANFRED VON DER DIPL ING
IPC: F16F1/393
Filed: 1976-10-20
Abstract: The elastic bearing for the suspension element has a conical bore (15) in the chassis mounting (11) with a conical elastic sleeve (10) in the bore and positioned over a cylindrical, metal sleeve (9) held by the fixing bolt (5). The pivoted arms (2, 3) of the suspension are clamped to the sides of the metal sleeve by securing nuts (7, 8). The elastic sleeve has a ridge extension (12) on the other side of the narrow neck of the conical bore to secure the sleeve and provide axial strength.
Patent DE-2648755-A1 (DE)
Title: Type:setting machine for ideographic script - has keyboard associated store with key:assigned programs and register displaying symbol
Inventor: HOLLAND FRANCIS CHRISTOPHER
IPC: B41B27/00
Filed: 1976-10-27
Abstract: The type-setting machine for ideographic script esp. chinese has a keyboard with a number of network-like arranged keys to provide electrical contacts. A store contains a set of programs each of which is associated with a key of the keyboard and establishes coded signals for forming a corresponding symbol. On operation of the keys a corresponding program unit producing signals in lasting or transitory form renders possible a reads out of the corresponding program from the store. A register is brought into operation via the keys. For each key associated with a program it indicates the symbol determined by this program.
Patent DE-2657621-A1 (DE)
Title: Cement clinker mfd. from low grade materials - with mechanical grinding and homogenisation
Inventor: GEIGER LUDWIG DIPL ING
IPC: C04B7/38
Filed: 1976-12-20
Abstract: Cement clinker may be prepd. from as-mined materials, which because of their high water content and other physical properties are unsuitable for dry processing, and for which filtration after successful wet processing is also unsuitable. The raw materials are not dressed to raw powder, sludge or filter cake before burning, but are mechanically reduced and homogenised from the as-received condition and then fired with the original moisture content or after a pre-drying. Lower grade raw materials may be used. The energy input is also lower than with wet processing.
Patent DE-2702351-A1 (DE)
Title: Recording of noise signal rate - deriving pulses for counting and storing and producing output signal when comparator detects correspondence of at least two memory contents
Inventor: POHLIG WINFRIED ING GRAD
IPC: G10L25/78
Filed: 1977-01-21
Abstract: The noise characteristics of various prime movers e.g. motors and pumps are evaluated by using sensors to detect the basic system pulse rate. With a boat driven by a 4 cylinder otto cycle engine, there are two pulses generated per rotation. These pulses are detected by a microphone, amplified and shaped by a Schmitt trigger. A relay stage switches to count pulses in two separate counters. Memories store the counter valves for interpretation in a wired logic stage. An alternative system uses a microprocessor.
Patent DE-2703071-A1 (DE)
Title: Railway vehicle wheel bearing damage detecting system - uses temp. sensors connected to comparators to detect temp. rise indicating bearing fault
Inventor: BANGE GUENTER DIPL ING
IPC: G01K3/00
Filed: 1977-01-26
Abstract: The device is used for early recognition of damage to wheel-set bearings, esp. on railway rolling-stock, using temperature monitoring circuitry. Two comparison devices and a function generator electrically connected to the temperature recorder are connected together. Readings from the temperature recorder on the bearing are conveyed to the first comparison device, where maximal value is selected and conveyed to the second. Here the difference between this and the image producer's initial reading is determined, to produce the reference value dependent on external temperature. When a prescribed differential value is exceeded a signal is emitted in the second comparison device.