baber/WOPTO huggingface dataset:
Patent DE-2618256-A1 (DE)
Title: Filter membrane prepn. - by casting cellulose nitrate or acetate and evaporating the solvent and precipitating at a predetermined temp.
Filed: 1976-04-27
Abstract: Prepn. comprises casting a mixt. of cellulose nitrate or acetate with a solvent and a pptg. agent onto a smooth surface in a thin layer and drying and solidifying to a porous film-like membrane. Temp. of the cast layer is kept during evaporation of the solvent at a predetermined evaporation- and pptg. temp. corresponding to compsn. of the mixt. and the desired pore size of the membrane. Pore size and permeability of the membrane may be adjusted after casting. The membrane has greater uniformity and fewer faults.
Patent DE-2620899-A1 (DE)
Title: Guard cage for eccentric press - has fail safe device with cage locked in closed position when power fails
Inventor: DITTMER HEINZ-F
IPC: F16P3/02
Filed: 1976-05-12
Abstract: The lever system (6, 7) for the press guard, which is used to open and close the flap (10) when the cage (8) is opened by a pneumatic cylinder and is connected to tension springs (15) which close the flap or cage of the press guard when the supply to the pneumatic cylinder fails. The lever system is locked at the same time. The ends of the levers (6, 7) are connected to a cage (8) and a flap (10). The stroke of the operating cylinder and the ratio of the lever system can be adjusted to suit the height of the workpiece. When the springs operate the lever system, a pin (17) locks in a notch in one of the levers.
Patent DE-2621689-A1 (DE)
Title: Mobile silo discharge cutter - has hopper which is tilted by ram on frame and drive coupling to tractor
Inventor: FELDMEIER JOSEF
IPC: A01F25/20
Filed: 1976-05-15
Abstract: The mobile silo discharge cutter is for coupling to a tractor, and the hopper is connected to and supports it, being complete with discharge flap. The hopper (17) tilts on a frame (7) mounted on or towed behind the tractor, and which is equipped with a tilting ram (12) and a coupling (9) for the drive the cutter. The tilt axis can be at the top of the frame, and the discharge flap can form (14) the rear wall of the hopper, at the opposite end to the cutter, hinging on an axis at the top of the hopper. The cutter can be chain-driven (13) from a sprocket on the hopper tilt axis.
Patent DE-2629511-A1 (DE)
Title: Vehicle wheel for tubeless tyre - has circular contact surfaces on smooth surface of wheel centre disc
Inventor: BRINKMANN HEINZ ING GRAD
IPC: B60B3/02
Filed: 1976-06-28
Abstract: The vehicle wheel for a tubeless tyre is manufactured from forged or cast light metal or iron material or plastic with reinforcement inlays. Circular contact surfaces (4, 5) are provided on the wheel centre disc (1). These surfaces together with a centrla hole (6), and the tyre contact surfaces (7, 8, 9, 10) on the rim (2) are manufactured in one setting. Sufficient material is removed from the circular contact surfaces on the smooth surface of the wheel centre disc to ensure that when the wheel has been bolted firmly in position further surfaces parts of the wheel come into contact between the circular contact surfaces.
Patent DE-2632792-A1 (DE)
Title: Rotating bearing with stop for window frames - has spring loaded low wear non return plug with actuating handle
Inventor: DELLENBUSCH REINHARD
IPC: E05D7/082
Filed: 1976-07-21
Abstract: The rotating bearing is used for revolving windows and the angle of opening is restricted by a stop which is released. The stop is actuated for preventing return rotation and has low wear and relatively simple design. The stop is immediately ready for blocking window return after window has passed over it. The nonrotating stop plug (16) is moved in axial direction under a spring force. The internal end (17) has actuating face (29) for engaging with the blocking holt edges. The external end (21) has operating handle (24) engaging with guide slot (22) of the stop plug. This handle engages in released position on the rotating bearing.
Patent DE-2635683-A1 (DE)
Title: Pedestal plate for office equipment - has hooked side wall rims fitted over rails in opening in work table top
Inventor: SVOBODA JOHANN
IPC: A47B21/02
Filed: 1976-08-07
Abstract: The pedestal plate for office equipment is made of metal sheet 1.5 to 2 mm thick. The front (2) and rear (3) sides of pedestal plate (1) are bent upwards and extended at the top with a hook (13). The side edges (4) are also bent upwards to stiffen the plate (1) and at the same time limit any sideways movement of equipment standing on the plate. The stand plate (1) can be supported by means of the front and rear hooks (13) on two rails fitted in an opening in the work table. The height of the machine keyboard or working surface is adjusted by use of pedestal plates with varying sized of front and rear walls (2, 3). Not only does this improve leg room for the operator, but, by using a sound dampening layer between the rails and the plate, noise transmission is reduced.
Patent DE-2639954-A1 (DE)
Inventor: GUENTHER HEINZ
IPC: E05F11/24
Filed: 1976-09-04
Abstract: An actuating linkage (16) arranged on a first, generally the fixed frame (10) drives a first setting-out scissor mechanism (12) which is arranged between the fixed frame (10) and a second frame, generally the wing frame (11). Further transmission devices, such as, in particular, further setting-out scissor mechanisms (13) and/or locking devices (25, 29), are coupled to the first setting-out scissor mechanism (12) by means of a connecting actuating-linkage part (20) arranged on the second frame (11) and are actuated by the actuating linkage (16) only indirectly as the result of the adjustment of the first setting-out scissor mechanism (12). <IMAGE>
Patent DE-2642116-A1 (DE)
Inventor: FOSTER GREGORY STEWART
IPC: C11D17/00
Filed: 1976-09-18
Abstract: HEAVY-DUTY LIQUID DETERGENT AND PROCESS Gregory S. Foster Single-phase, heavy-duty liquid detergent compositions containing detergency boosting levels of magnesium cations and alkanolamines are formulated by first under-basing with magnesium hydroxide and thereafter adding the alkanolamine.
Patent DE-2644608-A1 (DE)
Title: Safety device for automatic doors - has compression strip having decreased electrical resistance under pressure
Inventor: SCHESTAG RUDOLF
IPC: H01C10/10
Filed: 1976-10-02
Abstract: The signal transmitter consists of an elastic strip which is located over the whole length of a door joint. The signal terminals are connected through electrodes to a supply voltage and to a control unit which sounds an alarm or reverses or cuts out the automatic movement of the door. The shape of the elastic strip is to be suitable for the edges of the doors and may be circular or rectangular or flat. The electrodes are covered with insulating material. The circuit is such that current flows along the elastic compression element at all times, and the current is increased when the element is under pressure such as when some object is caught in the closing door.
Patent DE-2646080-A1 (DE)
Title: Polymers contg. double bonds in side-chain - mechanically treated to form free radicals, grafted with silane(s) and crosslinked by moisture
Inventor: VOIGT HERMANN UWE DIPL CHEM DR
IPC: C08F291/00
Filed: 1976-10-13
Abstract: Polymers contg. double bonds in side-chain are used as basic materials for mixts. crosslinkable in the presence of moisute. The polymers can be mechanically and/or thermo-mechanically treated to form free radicals without adding radical formers. Pref. polymers include (1) polymers contg. double bonds in main chain and vinyl side gps. and (2) thermoplastic rubbers, e.g. styrene-butadiene block copolymers. The polymers allow grafting of silanes or silane cpds. having formula R R'SiY2 (where R is a monovalent unsaturated hydrocarbyl or hydrocarbyloxy gp.; each Y is a hydrolysable organic gp. and R' is R or Y) at their free radical positions. Polymer radical yield is high.
Patent DE-2649907-A1 (DE)
Title: Silk-screen decoration process - has pattern cloth inclined only for small portion of circumference near scraper
Inventor: DRAGOMIR NICOLAE
IPC: B41F15/08
Filed: 1976-10-29
Abstract: The silk-screen decoration process is particularly for plates. The angle of inclination of the pattern cloth is formed only on a small portion of the circumference of the cloth near the scraper with the aid of a padded disc maintained in the inclined position by a roller on a scraper carrying spindle. Through this a pressure is continuously exerted on the padded disc supported by the pattern cloth as the scraper carrying spindle rotates. The scraper can easily follow the plate edge under the pressure from a ram actuated by compressed-air. This encloses the set of prings connected to the scraper, allowing it to oscillate in a vertical plane.
Patent DE-2656551-A1 (DE)
Title: HF paper web drier - has guide rollers supported by bearings with races made of ceramics or plastics material and balls made of glass
Inventor: DOBRICK HERBERT
IPC: D21F5/16
Filed: 1976-12-14
Abstract: H.f. drying plant has the paper web guide rollers mounted in bearings formed of electrically non-conductive material. Bearings may have a water-cooled housing in which are located axially spaced inner rings which co-operate with outer rings, the rings being made of ceramic materials. Bearings are not damaged by the alternating magnetic field.
Patent DE-2704424-A1 (DE)
Title: Moulding compsns. having improved impact strength - contain terminally unsatd. polyurethane, copolymerisable vinyl or vinylidene monomer and elastomer
Inventor: HARPE HANNES VON DIPL CHEM DR
IPC: C08F283/00
Filed: 1977-02-03
Abstract: Copolymerisable moulding compsns. consist (by wt.) of (a) 5-77% "terminally unsatd." polyurethane having specific surface energy >0.6 x 105 erg/cm2, (b) 20-80% vinyl(idene) cpd.
Patent DE-2711214-A1 (DE)
Title: Auxiliary drive for non-driven wheels of motor vehicle - has low speed hydraulic motor with drive gears of metal, plastics or hard rubber
Inventor: KOZA JOSEF DIPL ING
IPC: B60K17/04
Filed: 1977-03-15
Abstract: Auxiliary drive for non-driven wheels of motors vehicles, esp. lorries and semi-trailers, has a low-speed hydraulic motor driven by an oil pump, which drives >=1 auxiliary drive gear fixedly mounted upon an axle. The auxiliary drive gear(s) is (are) adapted to be force-lockingly pressed against a wheel of the vehicle. These drive gears are made of light metal, plastics or hard rubber. The auxiliary drive is simple to mfr. small, and lightweight. It can be easily connected to the existing main power system of the vehicle and be put into operation at will as and when required.
Patent DE-2717360-A1 (DE)
Title: Arsenic selenide prodn. for electrophotographic semiconductor - by fusing and homogenising elements in reactor with condenser and atomising
Inventor: VOGEL GERT DR RER NAT
IPC: C01B19/00
Filed: 1977-04-20
Abstract: Prodn. of an As selenide (I) (As2Se3 or As2Se5) granulate from a mixt. of As and Se involves placing the loose material in a reaction vessel, which is provided with electric heating and a stirrer to homogenise the mixt. in the melt. The starting material consists of As crystallites and Se granules in slight stoichiometric excess. It is placed in a vertical quartz reactor with a reflux condenser tube extending eccentrically from its upper end and an eccentric sealable inlet port. After charing at normal pressure, the reactor is heated and held at 620 degrees C for a programmed time, then held at 580 degrees C during homogenisation. The molten cpd. is then discharged from the reactor in the form of a stream through a tapered valve, with a round quartz rod passing into the capillary, in the middle of the bottom of the reactor. The stream falls freely through a column, several metres in length, in countercurrent to a turbulent cooling protective gas stream, so that it is divided into droplets, and is collected in a container with deionised flowing water. (I) is used as cpd. semiconductor for electrophotographic applications. The process can be carried out with simple appts., without the use of vacuum or high pressure. The prod. satisfies the requirements for a photoconductive cpd. which can be evaporated under high vacuum and has a high degree of purity and stoichiometric compsn.
Patent DE-2718106-A1 (DE)
Title: Bridge for stringed instruments - has independently movable string supporting drums urged together between fixed posts to reduce vibration
Inventor: FENDER CLARENCE LEO
IPC: G10D3/04
Filed: 1977-04-22
Abstract: The bridge for stringed instruments of the type includes several independently movable drums which permit independent adjustment of the length and height of each string of the instrument. All of the drums are urged axially into contact with each other, and with a fixed post. This arrangement reduces vibration of the drums which otherwise results in loss of energy. The tone is also sustained for a longer period. Adjustment holes through the drums are arranged to avoid fraying of the strings.
Patent DE-2718187-A1 (DE)
Title: Electrically heated tongs for hair dressing - have opposed undulating and plane surfaces on tong head mounted on fixed and pivoted arms attached to handle
Inventor: DAMBRUCQ JEAN
IPC: A45D2/00
Filed: 1977-04-23
Abstract: The electrically heated hairdressing tongs are for curling or straightening hair tresse. The tong heads are rotatable through 180 deg. to present undulating or plane working faces. The appliance may have a hollow handle which supports a static tong arm, a mobile tong arm and a hand lever. The arms may be of round hollow section to house cables and terminal elements and support enlarged tong heads (4,5) of rectangular section. The mobile arm may be pin-jointed to the housing, to be displaced by a cam-shaped lever, and be recoil sprung. The opposed major faces of the tong heads may be undulating and plane.
Patent DE-2718264-A1 (DE)
Title: Coil former with combined input choke and commutating coil - is used in CRT and has three winding chambers for limbs forming part of base plate with pins
Inventor: SCHMELLER ANTON ING GRAD
IPC: H01F5/02
Filed: 1977-04-25
Abstract: A coil former is used for a combined input choke and a commutating coil for a thyristor horizontal deflection circuit of a CRT. It uses an E shaped core made from ferrite with a relatively large air gap. the core is made in one piece by injection moulding. A coil former (1) is made with three winding chambers (2) of which two are intended for the outer limbs and one for the centre limb. It forms an integral part with the base plate (3). The terminal pins (4) are connected to the base plate. The E shaped core sections (5) are stuck to the former at the top and the bottom so as to define the air gap (6).
Patent DE-2722474-A1 (DE)
Title: Artificial kidney unit - shipped filled with infusible solution, hot sterilised and in germ proof package
Inventor: KRICK GERD DR ING
IPC: A61M1/14
Filed: 1977-05-18
Abstract: An artificial kidney is filled at the point of dispatch with an infusible soln. (physiological sodium chloride soln.), sealed in germproof fashion and packaged sterilised as one unit, ready for transport. This saves the necessity of flushing if formaldehyde soln. is used as the filling or of checking that no gas has remained if ethylene oxide was used for a gs sterilisation. Specifically the dialyser is filled with the infusible soln. and sterilised, pref. by hot sterilisation in autoclaves, say at 120 degrees C for 20-30 mins., the dialyser is packed in a sterile packge and is ready for use on arrival. The blood hoses are also filled with a suitable soln. to keep them free of air bubbles.
Patent DE-2727958-A1 (DE)
Title: Hopper discharge resonance conveyor - has divided rubber springs with supporting members on outside and between sections
Inventor: ZIMMERMANN OTHMAR
IPC: B65G27/26
Filed: 1977-06-22
Abstract: Conveyor has an elastically-suspended conveyor trough and a rotary unbalanced weight coupled by rubber springs to form a vibratory system. The rubber springs (1) are each divided into two or more sections, having supporting members (2, 3) both on the outside and between the sections. They can be rectangular, with their longer sides parallel to the trough, and their outer supporting members can be similar and pref. Triangular, the line bisecting the angle passing through the spring centre. There can be a number, pref. two, of split rubber springs (1) between trough (5) and counterweight (9-12) on each side, their centre distance being less than that between counterweight and spring along the line connecting counterweight and trough centre of gravity.
Patent DE-2728461-A1 (DE)
Title: Synchronising control system for hydraulic press - has piston rods carrying chain wheels to transmit rotary movements
Inventor: RUPPRECHT ERNST
IPC: F15B11/22
Filed: 1977-06-24
Abstract: The synchronizing control system is for hydraulic presses having two or more drive cylinders. The non-turnable piston rods each carry a steeply angled thread at the lower end, with a threaded unit engaging over it. The nut sections, which project from the cylinders, each have a chain wheel, which turn during the piston stroke, and transmit the movement to other chain wheels of similar size via a chain etc. Each chain wheel carries a chain tensioner, the movement path of which can be utilised for the control of the oil feed flow, during different loads on the individual cylinders. Alternatively, the differential pressure in the hydrostatic bearing pockets may be used for this purpose.
Patent DE-2728894-A1 (DE)
Title: Animal movement monitoring chamber - projects image of animal onto multiple section light sensitive measuring plate connected to Wheatstone bridge
Inventor: PETRY HANSPETER DR
IPC: A61B5/11
Filed: 1977-06-27
Abstract: The chamber for monitoring the movements of an animal such as a rat or mouse, uses an optoelectronic system. A lens system projects an image of the animal onto one of a selected series of photoresistances of a light sensitive measuring plate. These plate are connected to a Wheatstone bridge so that each movement of the animal generates a signal. Natural or artificial light can be used, or infra red rays. The projected image can have different brightness values. Two measuring plates at right angles to each other can be used, each having an optical system. The chamber can have fixed walls.
Patent DE-2729399-A1 (DE)
Title: Convertible wet and dry vacuum cleaner - has dirty water container inside fresh water container above pump and suction units
Inventor: LIPINSKI REINHARD
IPC: A47L11/30
Filed: 1977-06-29
Abstract: The floor cleaning machine houses a fresh water container (2) on a movable chassis (1) and closed by a lid (3). The dirty water container (9) is mounted in the fresh water container and is also open at the top. The suction unit (8) and pump (12) are below the fresh water container in the chassis frame. A standpipe (4) connected to the suction unit extends up from the base of the fresh water container beyond its maximum filling level, below the upper edge of the dirty water container. A suction pipe (11) for delivering dirty water to the dirty water container leads from the outside into the fresh water container and its outlet above the dirty water container. The machine can be readily converted from a fluid extraction machine to a dust vacuum cleaner by removing the lid and fittig a dust collector to the suction pipe.
Patent DE-2732418-A1 (DE)
Title: Thermal treatment of refuse - by low temp. carbonisation and passing gases through fixed ceramic bed
Inventor: JELEND WOLFGANG DR
IPC: C10J3/66
Filed: 1977-07-18
Abstract: In a thermal treatment of domestic refuse first stage consists of a low-temp. carbonisation in a reactor to the exclusion of air at 400-800 degrees C. The low-temp. gases are extracted and decomposed in a second process stage by passing them in a second, reactor through a fixed bed of inert material. Finally, the products of the decomposition are cleaned in a separator. This results in a much simpler control of the process than in processes where a low-temp. coke of constantly varying composition is utilised.
Patent DE-2735156-A1 (DE)
Title: Lanthanide oxide or oxy-sulphide phosphor prodn. - via oxalate pptd. uniformly from over-acidified oxide soln., giving regular crystals, used to provide red phosphors for colour TV tubes
Inventor: BOLZ BRUNO
IPC: C09K11/77
Filed: 1977-08-04
Abstract: In the prodn. of a lanthanide phosphor by dissolving the crude oxide in an inorganic acid, converting to a mixed oxalate by adding oxalic acid and producing the phosphor by calcination and opt. further treatment, the crude oxide soln. is over-acidified by adding 0.3-3 times, esp. about the same amt. of (in)organic acid, which is required for dissolving the crude oxide, and then this soln. is treated with the required amt. of oxalic acid, in solid (pref. crystalline) form, as uniformly as possible over a period of 1/2-3, esp. 1-1 1/2 h. The process is used for the prodn. of lanthanide oxide or oxysulphide phosphors, esp. a Y2O3:Eu phosphor, which are used as red phosphors in colour TV tubes. It gives better and as uniform as possible crystal structure, so that the addn. of flux in the calcination stage can be (partly) eliminated. Brilliant light outputs are obtd. at calcination temps. from 1000 degrees C, whereas a calcination temp. of 1600 degrees C is normally necessary without flux. The process gives phosphor crystals with esp. favourable mechanical strength, regular (cubic) structure and very uniform size, whilst the size of the oxalate crystals is up to 200 mu m and the content of water of crystallisation is very low.
Patent DE-2736075-A1 (DE)
Title: Telephone call number generation - is performed from keyboard with pause control to prevent erroneous number transmission
Inventor: ESSER WILHELM
IPC: H04M1/272
Filed: 1977-08-10
Abstract: A telephone number is called from a subscriber keyboard generator either once or repetitively. Pressing keys causes the number to be repetitively called. A pause key is also included to prevent erroneous transmission of numbers. A call generater for a telephone system is operated from a subscriber keyboard. Pressing a key enables the number to be transmitted repetitively. A supplementary code can be entered from the keyboard to interrupt a number for a predetermined time period. This code is automatically sent if the subscriber allows this time between any two numbers.
Patent DE-2741419-A1 (DE)
Title: Ultrasonic cleaning unit for domestic use - has tank in outer case and switch operated by magnetic field when protective cover is closed
Inventor: WALTER HENRY U
IPC: B08B3/12
Filed: 1977-09-14
Abstract: The ultrasonic cleaning unit is for domestic use and has its metal tank fitting inside a plastic outer case. A plastic cover is hinged to the case and has deep sides completely enclosing the walls of the base to provide protection against any undesirable effects of the ultrasonic circuit. As a safety measure, the unit can only be activated when the cover is closed. A magnetically operated switch, in the form of a thin strip of ferrous metal, is located in the base. This is closed by deformation of the strip, when a permanent magnet in the cover approaches it.
Patent DE-2741749-A1 (DE)
Title: Metering unit for volatile plastic adhesives - has pressure chamber formed by inverted bell with solenoid operated pinch valve to control dosage of adhesive
IPC: B01J4/02
Filed: 1977-09-16
Abstract: Volatile plastic adhesives are held in a sealed container inside a pressure vessel. The vessel has a plastic line leaving it with a solenoid operated pinch valve on it. The pressure vessel is pressurised with compressed air to expel the liq. plastic. The pressure wheel is formed from an inverted bell or dome on a base with a circular groove in which it rests with a flexible seal at the base. The bell is held in position by a screw clamp. Compressed air is injected by a quick release coupling. Used for dispensing volatile plastic adhesives. These tend to attack previous devices but the use of Teflon (RTM) allows the use of a flexible outlet tube. It is of simple construction, operationally reliable, works without disturbance, gives rapid and very accurate metering with low mfg. and maintenance costs.