baber/WOPTO huggingface dataset:
Patent DE-2913922-A1 (DE)
Title: Axial flow air conditioning fan - has V=shaped rotor blades in front of four guide vanes in cruciform pattern
Inventor: FREISBERG GREGOR
IPC: F04D29/32
Filed: 1979-04-06
Abstract: The axial-flow fan compriss a driving motor with fan impeller, air guides, and a housing with inlet and outlet. The fan impeller (2) blades are V-shaped, and situated in the path of the air in front of a flow guide unit, pref. having four guide vanes (3), arranged in a cruci-form pattern. The fan impeller diameter can be greater than that of the ventilation conduit on the inlet and discharge sides. The housing (6) may consist of a cylindrical middle section, with a diameter greater than that of the fan impeller. This section ends are coaxical, fitting the size of the ventilation duct.
Patent DE-2917550-A1 (DE)
Title: Film feed rollers for instant camera - rotate against small rollers above and below with spring supported cradle carrying lower rollers
Inventor: FAUTH GUENTER ING GRAD
IPC: G03B17/52
Filed: 1979-04-30
Abstract: The film processing and ejection rollers (1, 2) for an instant camera are solid, with grooves or ribs over their whole length and are made of glass fibre mixed with a resin or plastics material. They have roughened surfaces to grip the film (8) as it is passed between them. Each roller rotates against a pair of small diameter rollers (3). The upper rollers are housed in grooves along the interior of the casing. The lower rollers are housed in grooves along a cradle (4) held up by the force of springs (5) underneath. The top edges of the cradle rest against stops (6a) in their upper position, to determine the minimum gap (7) between the feed rollers (1, 2).
Patent DE-2917705-A1 (DE)
Title: Grinding tool with sector shaped bodies - has filler material forming sector shaped distance pieces between bodies
Inventor: LOENS HERMANN HENNECKE DR
IPC: B24D7/06
Filed: 1979-05-02
Abstract: The grinding tool has a number of sector-shaped grinder bodies on a supporting body, adjacent grinder bodies being separated by faster-wearing filler material also secured to the body. The filler material forms sector-shaped distance pieces (28) firmly secured to the grinder bodies (26). All distance pieces and bodies are fixed to the supporting body (10) along a stepless surface (24). The distance pieces can be formed by the binder material forming the grinder body mould, and can be porous.
Patent DE-2918120-A1 (DE)
Title: Liq. cooling system for hermetically sealed compartment - uses immersion cooler sealing liq. container and ensuring good heat transfer
Inventor: KAMBACH MATHIAS
IPC: F25D31/00
Filed: 1979-05-02
Abstract: The procedure is for cooling a liq. in a hermetically sealed container. The liq. in each hermetically sealed container is cooled by an immersion cooler, which hermetically seals the liq. container and ensures optimum heat transfer by direct contact with the liq. to be cooled. A static circulation is ensured by an outside pump connected with the liq. The heat transfer assembly or immersion cooler has a number of tubes with 'U' bends at their lower ends and the straight portions of the tubes vertical. Heat transfer is increased by a number of horizontal fins embracing the tubes.
Patent DE-2919805-A1 (DE)
Title: Pipe connection made of e.g. pvc, polypropylene or polyethylene - comprises two tubular pieces with extensions, and clamping bushing with tightening levers
Inventor: SPENGLER HANS HAENNI
IPC: F16L47/02
Filed: 1979-05-16
Abstract: Plastics coupling for pipes or tubes comprises 2 tubular pieces and a clamping sleeve with clamping levers by means of which the tubular pieces may be clamped together. At least the tubular pieces are made of heat-weldable or adhesively bondable plastics. Each of them is provided with a welding or glueing extension so that the pipes or tubes to be coupled together can be welded- or glued-on. Clamping sleeve and 1 of the tubular pieces are either made of 1 single piece or else firmly bonded together. The article is made of polypropylene, polyethylene, PVC or an epoxy resin, thus avoiding use of glass-fibre-reinforced polypropylene which has proved in the past to be unstable at operating temp. above 40 degrees C and to have poor welding characteristics.
Patent DE-2923672-A1 (DE)
Title: Metering system for particulate solids - using vessel with conical base and variable annular outlet with control by flow meter below vessel
Inventor: REH LOTHAR DIPL ING DR
IPC: G05D7/03
Filed: 1979-06-12
Abstract: Metering system consists of a vessel or hopper with a conical base. This has a centrally mounted agitator with projecting arms. The base of the shaft has a conical profile and the shaft can be moved up and down to give an annular orifice at the base of the hopper by means of which the flow of solids is controlled. There is a flow meter mounted in the outlet. This contains an impingement plate against which the solids fall. The force exerted on this is a measure of the flow and the signal is used to regulate the vertical position of the shaft in the hopper. Used for metering finely divided particulate solids. Gives a very consistent feed rate allowing reactions with temps. of 0.1 to 0.001 sec. to be carried out, avoids surging, will cope with pressures up to 100 bar and with pressure variations, is compact and does not cause segregation of the particles or layering. Can be used to operate burners, melt cyclone chambers or mining operations.
Patent DE-2933024-A1 (DE)
Title: Model aeroplane with holders for guide cable - has two-part support correctly positioned in holes on plane body
IPC: A63H27/20
Filed: 1979-08-16
Abstract: The cables, control rods or the like used to hold and guide the airplane are connected to a support attached to the back of the plane and held transversely to same in two holes. The support consists of two parts (1) which can be set one on top of the other and coupled together wherein one part has indentations (6) to take the cable which are then covered by the other support part (11). The support when fitted round the cable can be quickly and easily fitted in the holes provided without any special skill. With the holes already provided it is ensured that the correct position of the cable etc. is reached so as not to affect the flying of the plane.
Patent DE-2933957-A1 (DE)
Title: Reinforced concrete formwork support - has two curved channelled sections shaped for unaided load bearing and stability
Inventor: SILBERKUHL WILHELM JOHANNES DI
IPC: E04B7/10
Filed: 1979-08-22
Abstract: Two upwardly convex curved elements have a keel below a channel with an upward increasing cross-sectional thickness. The elongated reinforced concrete shuttering support structure is of rectangular plan. The cross-sectional thickness (d) increases from the channel (2) to the max. (D) at their top edge (4), according to the cosine of the tangential angle (a), which approaches zero at the top edge. The height (hs) of the surface centre of gravity (s) of the element's (1) cross-sectional surfaces exceeds that (hm) of the centre point (m) of the cross-sectional centre line (b), while this lines height exceeds the half cross-sectional height (hq)(2).
Patent DE-2937264-A1 (DE)
Title: Pulse generator which produces multilevel digital signal - uses binary signals of very high bit rate with multi-emitter transistors
Inventor: MEYER FRITZ DR ING
IPC: H04L5/04
Filed: 1979-09-14
Abstract: The generator produces 2 to power n level digital signals from n binary signals and has two multi emitter transistors (T1,T2) each with n emitters. The bases of the transistors are connected together to a shared reference potential, which is also connected to the collectors. The first emitter of each odd numbered transistor is connected to the collectors of the next odd-numbered (e.g. T2n+1) etc transistor etc. The emitters of the third and fourth transistors are connected in pairs to shared current sources (I) and their bases receive the inverted and noninverted binary input signals (E1-En). The multilevel digital outputs (A1,A2) are taken from the collectors of the multi-emitter transistors. The current sources hared between transistors in any pair consist of staged resistors.
Patent DE-2940275-A1 (DE)
IPC: A61C17/34
Filed: 1979-10-04
Abstract: This toothbrush comprises a housing (10) which accommodates the electric motor (18) and at the same time serves as a handle and has a tapering front end (11). The drive from motor (18) to shaft (19) of the brush is designed as a slider crank (20, 21, 22, 23). By switching on a resistor with a switch (25) on the plug (24) of the current supply (15) the intensity of the vibrations of the brush can be reduced. This allows even a novice to massage the gums vigorously, it being possible to avoid bleeding of the gums. <IMAGE>
Patent DE-2945150-A1 (DE)
Title: Interlock bar for side-mounted relays - has tongues extended from top of armatures into slots in interlock bar
Inventor: LOEHMER KLAUS ING GRAD
IPC: H01H50/32
Filed: 1979-11-08
Abstract: Each relay armature has an operate tongue (16,17) along its top which is fixed by a screw (20,21) and locate pin (18,19) method. The tongue (16,17) extends forward into a slot (14,15) in the ends of the hinged interlock bar (7,8) bridging the two armatures. The interlock bar (7,8) is supported at pivot points (12,13) on a casting (11) which rises from the bottom level of the relay structure, up through the area between the two coils to pivot the interlock bar at the height of the armature top. The casting is securely fixed (9,10) at its rear end. Interlock support bar spans the armatures of two side by side mounted relays so that the operation of each relay is coupled and dependent upon the other for operate and release delays etc. The design simplifies adjustment and maintains correct operation over a wider range of operate parameters. Although the operation of both relays is dependent upon both coils being energised the interlock is designed to allow one relay to be locked in the operate position, one to release under its normal spring pressure, yet both coils be de-energised. This switching requirement has application in the railway industry.
Patent DE-2949419-A1 (DE)
Title: Intermittent drive for advertising display - has quadrant gear that provides intermittent meshing with drive shaft
Inventor: TEMPLIN GERNOT
IPC: G09F13/34
Filed: 1979-12-08
Abstract: The drive system for an advertising display produces an intermittent rotary drive. The display surface is in the form of a disc that is coupled to a gear pinion wheel that is supported on an axial bearing. The assembly is supported on a tube fixed to the base of the unit. The connecting cable for the display passes through the centre of the tube. Motion is transmitted to the display disc by an electric motor with a coupled gear. To provide an intermittent drive, the gear has two cut away sections such that teeth are in mesh for specific periods.
Patent DE-3001936-A1 (DE)
Title: Electrophotographic material contg. di:amino di:phenyl alkane - in charge transport layer and violanthrone or iso:violanthrone pigment in charge producing layer
Inventor: ICHIRO IMAHO
IPC: C09B3/22
Filed: 1980-01-21
Abstract: Electrophotographic recording material has a charge-producing layer based on a violanthrone pigment (I) and/or isoviolanthrone pigment (II) and a charge-transporting layer based on a p,p'-diaminodiphenylalkane (III). In the formulae, X is halogen, NO2, CN, COOH or acyl; n = 0.6; R1-4 are H or (substd.) (cyclo)alkyl, alkenyl or aryl; R5-6 are H or (substd.) (cyclo)alk(en)yl or aryl or together form a 3-10C (un)satd. hydrocarbon ring; R7-10 are H, halogen, OH or (substd.) (cyclo)alkyl, alkenyl, aryl, alkoxy or amino but not all of R7-10 are H). Double layer material meets the requirements for ease of mfr., physical strength, stability towards heat and moisture and lack of health hazards.
Patent DE-3004104-A1 (DE)
Title: Vibration damped sawmill drive - has ballast weights on cranks and effective for higher harmonics
Inventor: BEITZER HANS-WERNER DIPL PHYS
IPC: F16F15/22
Filed: 1980-02-05
Abstract: The vibration damped reciprocating drive for a sawmill or other cutter has ballast weights (12) on the circulating cranks as well as on the reciprocating arms themselves. The weights are distributed so that not only the main vibration forces are damped but also the higher harmonics. The higher, odd numbered harmonics lead to disturbing noise polution and are transmitted through the base (15) of the machine. The ballast weights are trimmed using weight reduction holes and the relative phase of the weights is adjusted.
Patent DE-3005165-A1 (DE)
Inventor: HAUENSTEIN GUENTHER ING GRAD
IPC: G07F9/06
Filed: 1980-02-12
Abstract: In vending machines, exchangeable coin cassettes are used for extraction and transportation of the cash. Their coin-entry orifice opens only once during insertion into the vending machine, closes during extraction and, at the same time, is double-locked. The coin cassette, when locked, cannot be inserted a second time before it is emptied. A closing body (6) is pivotably mounted in a cover (4) on a pivot axle (9) and is connected by means of a bolt (15) to one end (14) of a longitudinally movable slide (13). The free end (17) of the latter is released as a result of a transverse movement along the recess (18) by a control member penetrating into the coin cassette during the insertion of the latter. Only then is a longitudinal movement and therefore opening possible, the slide (13) causing a bistably mounted pawl (25) to tip over via a guide edge (29) and a bolt (30). This pawl, as further locking with a second bolt (31) against a stop (34), prevents a second opening after the closing of the closing body (6). During the emptying of the coin cassette, the pawl (25) is released positively via a finger (36). <IMAGE>
Patent DE-3005866-A1 (DE)
Title: Ready-to-bake curd mixt. for cheese-cake prepn. - contg. fresh cottage cheese and cheese, fresh eggs, sugar, starch mixt. and flavouring
Inventor: RAUSCHMAYR HANNS
IPC: A23C19/076
Filed: 1980-02-16
Abstract: In the prepn. of a stable, ready-to-bake curd mixt. for cheese cake, a specially treated fresh cheese is added to fresh cottage cheese and worked to a mixt. together with sugar, starch mixt., stabiliser mixt., flavouring materials and fresh eggs. During working pH 4.5-4.6 is set with an organic acid. Mixt. dry solids content is kept at 29-31%. The constituents are mixed homogeneously in a mixer and the compsn. is heated to 70 deg.C while maintaining a constant dry solids content. The curd mixt. remains fresh and moist for a long time, to give a high-quality cheese-cake.
Patent DE-3007906-A1 (DE)
Title: Cooling procedure for coated steel strip - comprises stepwise cooling to improve elongation
Inventor: PAULUS PHILIPPE
IPC: C21D9/52
Filed: 1980-03-01
Abstract: In the mfr. of a strip of steel, including coating by immersion in a bath at >=500 degrees C, at the exit of the bath the coated strip is cooled rapidly, pref. at (30-500) degrees C/sec. to 475 degrees C. The coating is pref. Zn or Al. The treated steels exhibit an excellent combination of elastic limit and elongation at fracture on tensile testing, making them highly suitable for deep drawing. They have a good homogeneity of properties over the whole of the strip width.
Patent DE-3010906-A1 (DE)
Title: Wheel lifting device for heavy vehicles - has horizontal arm at lower end, with two bottom support arms for wheel, incorporating two chains
Inventor: ZIMMERMANN KARL
IPC: B66C1/24
Filed: 1980-03-21
Abstract: The device is for lifting a wheel of a heavy motor vehicle. It uses a jack, positioned next to the wheel, which is engaged by a hoisting device whose other end engages releasably the wheel via arms. At the bottom end, the lifting device has a horizontal arm (4), at whose ends are two bottom support arms (5) for the wheel (7) at the sides. Chains (8) are fitted at the ends of the horizontal arm in key-shaped holding holes (6). The other ends engage in corresponding key-shaped holes of a counterarm. There is a vertical fitting arm (2) for the outside of the wheel on the horizontal arm.
Patent DE-3016360-A1 (DE)
Title: Frequency drive for vibratory mechanical units - uses frequency monitoring to maintain operation at natural frequency
IPC: H03B5/30
Filed: 1980-04-28
Abstract: The drive system is for a mechanical vibrator, e.g. feed units, compactors etc. and is designed to ensure operation at the natural frequency over a range of load conditions. In the case of a vibratory paper sheet feed unit (1), signals are generated by an oscillator (4) that triggers an electronic switching stage (5) to operate solenoids (6). A sensor (2) located adjacent to the feeder monitors the frequency. The monitored and generated frequency signals are compared (8) after being converted to d.c. signals (3,7). The error signal is used to control the generator to maintain a timed condition.
Patent DE-3017619-A1 (DE)
Inventor: HOENE RICHARD DIPL CHEM DR
IPC: C08F238/00
Filed: 1980-05-08
Abstract: A process for the preparation of cyclopentadiene copolymers, wherein cyclopentadiene, dicyclopentadiene, tricyclopentadiene, their C1-C3-alkyl derivatives or co-dimers of cyclopentadiene with a diene of 4 or 5 carbon atoms are reacted with acetylenically unsaturated compounds, with or without other copolymerizable olefinically unsaturated monomers, at from 200 DEG  to 320 DEG  C. The cyclopentadiene polymers prepared according to the invention may be used, for example, as resin additives for surface coatings, tackifiers in adhesives or resins for printing inks.
Patent DE-3025858-A1 (DE)
Title: Gift or toy holder - consists of hollow body interior of which holds gifts on strings passed through openings and attached to back holders
Inventor: BARTENSTEIN BARBARA
IPC: A63H33/42
Filed: 1980-07-08
Abstract: The holder for toys, gifts etc. consists of a hollow body (1) with an interior chamber which cannot be inspected to hold the objects (10). There are openings in the wall of the hollow body of a size to permit threads (9) or wire capable of being cut to pass through them, with the number of threads, wires etc., corresponding to the number of openings and with each of these attached to a back holder (11) at its end which is made in a shape and size not fitting through the opening and carrying the gift or object at its other end. Each thread is placed through the opening in such a way that the gift object (10) is on the inside of the hollow body with the back holder on the outside. Finally there is an outlet opening (6) at the bottom for the objects.
Patent DE-3030078-A1 (DE)
Title: Two=part construction sail-board - has parts held together by suction and has vacuum seal around edges
Inventor: JANICH KARL ING GRAD
IPC: B63B35/79
Filed: 1980-08-08
Abstract: The main part of the sailboard (1) is used on its own in strong wind conditions and is linked to the other part (2) for normal use. The edges of the two parts are secured by a vacuum seal with an elastic sealing strip (6) in one part and a mating face on the other part. The space (7) between the boards is evacuated by a membrane pump (9) on the main board. The vacuum seal provides a simple and strong bond between the boards without any other fastenings. The edges of the centreboard slot are similarly sealed by an elastic seal strip.
Patent DE-3032743-A1 (DE)
Inventor: JUPE CHRISTOPH DIPL CHEM DR
IPC: C07C39/08
Filed: 1980-08-30
Abstract: A process for the preparation of pyrocatechol and hydroquinone by reaction of phenol with a peroxidic hydroxylating reagent followed by working-up of the resultant reaction mixture is disclosed. The work-up procedure is carried out in a first rectification column operated under specified conditions and having specified separation stages in a rectification section and a stripping section whereby there is distilled overhead components which boil at a temperature lower than phenol. Taken off from the bottom is a mixture comprising phenol and materials of higher boiling point which are fed into a second rectification column which is also operated under very specified conditions whereby pure phenol is recovered overhead leaving a bottoms comprising phenol pyrocatechol and hydroquinone which are then processed to separate phenol from a mixture of pyrocatechol and hydroquinone.
Patent DE-3034919-A1 (DE)
Title: Automatic blow moulding - where mould tools movements and cycles are controlled by specially contoured cam on drive shaft
Inventor: FROHN WALTER DR ING
IPC: B29C49/04
Filed: 1980-09-16
Abstract: Hollow plastic articles are blow-moulded, using preforms (from an extruder in particular) and a preform feeder, and a blowing unit which is moved between an upper preform feed position beneath the feeder and a lower blowing position. A main drive shaft operates intermittently through precisely equal angles of rotation with a time-base regulator for its stationary position; the drive also operates a cam with special contour which completes one full cycle in one drive movement; the curves of the cam surface have nil-throw positions between the contours of opposite pitch which produce respectively the lifting and dropping movements of the blow mould closure arrangement. Economy in design minimises operating loads, gives accurate control, minimises energy consumption, and produces precise operations.
Patent DE-3044130-A1 (DE)
IPC: C03C11/00
Filed: 1980-11-24
Abstract: 1. Process for the manufacture of foamed glass mouldings from ground glass by fusion with solid alkali metal silicate and water, addition of at least one blowing agent and, if appropriate, a filler to the fusion mixture or to the fused mass formed therefrom, if appropriate granulating the fused mass and foaming at an elevated temperature, characterised in that a mixture of two grades of glass, namely a) glass with more than 16% by weight of alkali metal oxide, b) glass with less than 16% by weight of alkali metal oxide 95% of both having a grain size of less than 0.1 mm, is stirred in a weight ratio of a : b = 1 : 1.5 ... 1 : 20 with water at temperatures from 50 up to preferably 95 degrees C until the mixture begins to stiffen, the water : total solids ratio being 1 : 1.4 ... 2.5, and that the mass obtained is further processed to give foamed glass mouldings.
Patent DE-3103187-A1 (DE)
Title: Float-type flowmeter
Inventor: DIEHL PETER DIPL CHEM
IPC: G01F1/22
Filed: 1981-01-30
Abstract: A float-type flowmeter having a multiple light barrier arrangement which is arranged along a transparent measuring tube and is formed from a series of optotransmitters and corresponding optoreceivers, which are arranged along the measuring tube. With regard to the possibility of being able to use an exceptionally small float, and/or of being able to achieve a particularly high measurement accuracy, the float-type flowmeter according to the invention is distinguished in that the optotransmitters, on the one hand, and the optoreceivers, on the other hand, are arranged offset, i.e. at different levels, specifically in such a way that each optotransmitter is simultaneously applied respectively to an optoreceiver arranged somewhat higher and an optoreceiver arranged somewhat lower. An appropriate control device is used to cause the optotransmitters to emit successive light pulses in sequence, and a logic circuit is used to interrogate the two optoreceivers arranged at the respectively shortest distance relative to the optotransmitter respectively currently transmitting with regard to shading by the float.
Patent DE-3108142-A1 (DE)
Title: Apparatus for laying profile strips on bead wires
Inventor: POHL HANS JOACHIM
IPC: B29D99/00
Filed: 1981-03-04
Abstract: An apparatus for laying high profile strips on bead wires for vehicle tyres is specified. For this, conical pressure rollers which are arranged in the direct vicinity of a supporting roller for a bead wire are proposed. <IMAGE>