baber/WOPTO huggingface dataset:
Patent DE-3941537-A1 (DE)
Title: Hay-making machine with tined roller - picks up hay and turns it over bench and onto ground to dry
Inventor: LESSLHUMER JOSEF
IPC: A01D84/00
Filed: 1989-12-15
Abstract: The haymaking machine has a roller (3) with radially projecting tines (16) revolving on a transverse driven axle (4) in the direction of travel (f). There is a horizontal bench (5) the width of the roller (3), fixed flat about the same level as the top of the roller (3). A number of radial spokes (10) with flails (6) revolve horizontally about a vertical axle (11) moving the hay (7) over the bench (5) and subsequently on to the ground (9). The roller (3) lifts the hay and bends it over the edge (8) of the bench (5). USE/ADVANTAGE - Turns the hay completely during the process so that it dries more quickly.
Patent DE-4000427-A1 (DE)
Title: Flexible lining for vessel - has opening for filling and emptying pipe with hose
Inventor: MUELLER HELMUT
IPC: B67D1/04
Filed: 1990-01-09
Abstract: The flexible inner lining is for a vessel having an opening accommodating a filling and emptying mechanism. The latter has a valve for propellant gas introduced between vessel and lining. The lining has a cylindrical boss fixed to the vessel for filling and emptying, and in which the mechanism is inserted, and is also connected to a pipe. The filling and emptying pipe is formed by a flexible hose (4), with a ballast weight (6) at the end furthest from the cylindrical boss (3). USE/ADVANTAGE- Complete emptying whatever the vessel position.
Patent DE-4001345-A1 (DE)
Title: Acrylic] glass armchair
Inventor: BLOMEIER HANS PETER
IPC: A47C4/02
Filed: 1990-01-18
Abstract: An arm chair is made entirely of acrylic glass and consists of a seat (1), a back rest (3) and two Z-shaped arm rests (2).  Two neon lamps (10) are opt. incorporated in the arm rests as a source of light.
Patent DE-4002869-A1 (DE)
Title: Speed or position measuring for rotary part - has slider and code carrier with coded arrangement of slip contacts on conducting concentric tracks
Inventor: EHRENSPERGER ALWIN DIPL ING
IPC: G01D5/249
Filed: 1990-02-01
Abstract: The arrangement for detecting the rotary position of a rotary part has a first element with slip contacts and a slider which can be brought into contact with one or more of the slip contacts. The first element is a code carrier (2) whose code consists of the arrangement of the slip contacts on concentric conducting tracks. The slip contacts can be electrically conducting sections of the conducting tracks. The code carrier has a conducting track (10) for passing voltage to the slider.
Patent DE-4021576-A1 (DE)
Title: Jet engine for aircraft propulsion - has free piston air compressors arranged around combustion chamber and thrust nozzle
Inventor: WEBER FRANZ-JOSEF
IPC: F04B35/00
Filed: 1990-07-06
Abstract: The jet engine for aircraft propulsion has a thrust nozzle which extends from the high temp. combustion chamber. For subsonic flight the combustion chamber is supplied with compressed air by a shaft-driven axial flow air compressor. In the modified engine the compressed' air is supplied by a number of free piston compressors (7a) which are arranged in a ring around a central combustion chamber (1) and thrust nozzle (4). The compressors (7a) are mounted in a housing (6) which can be rotated about the engine longitudinal axis to bring each compressor to the lowest position for ease of servicing. USE - Aircraft propulsion.
Patent DE-4025959-A1 (DE)
Title: Negatively-working aq. alkali-developable radiation-sensitive mixt. - contains water-insol. binder sol. in aq. alkali, cpd. forming strong acid on irradiation, and gp. condensing in presence of acid
Inventor: NGUYEN KIM SON DR
IPC: G03F7/029
Filed: 1990-08-16
Abstract: Mixt. (I) comprises (A) binder or binder mixt. insol in water but sol. in aq. alkaline solns. (B) cpd. forming a strong acid on irradiation and either further contains (C) cpd. capable of condensation in presence of acid and having formula R'O-CH2-OR'' (1), where R', R'' = alkyl, halogen-substd. alkyl, aryl, or aralkyl, or (A) also contains at least one gp. of formula R'O-CH2-O- (2). - Also claimed is the prepn. of light-sensitive coating materials using (I) and prepn. of relief structures by (a) applying (I) as layer 0.1-5 microns thick on conventionally pretreated substrate (b) drying at 70-120 deg. C (c) irradiating imagewise (d) heating to 70-160 deg. C and (e) developing with aq. alkaline soln.
Patent DE-4032390-A1 (DE)
Title: Trunk-piston with separate skirt - has recesses in top skirt edge for slide shoes on crown
Inventor: SANDER WILFRIED
IPC: F02F3/00
Filed: 1990-10-12
Abstract: The trunk piston is esp. for IC engines. There is a gap between the skirt portion and the crown portion with ring grooves, the portions being connected only via the gudgeon pin. In the top edge of the skirt portion (6) and above its gudgeon-pin bores (5) on both sides is a recess (9), into which a slide shoe (11) on the underside of the bottom ring groove land (10) protrudes, its guide face (12) conforming to the external shape of the skirt portion. USE/ADVANTAGE - Ensures straight guidance of crown portion in cylinder and unimpeded oil flow to scraper-ring groove.
Patent DE-4102985-A1 (DE)
Title: Safety container for storing poly:chlorinated bi:phenyl-contg. material - comprises rigid steel frame fixed to double sheet steel pallet mounting double-walled explosion-proof container
Inventor: GROTEFELD DIETER DIPL ING
IPC: B65D6/10
Filed: 1991-02-01
Abstract: The new container is placed within a rigid rectangular steel frame secured to a double-based sheet steel pallet. The double-walled explosion-proof safety container is mounted on the pallet; and the outer wall is located within the confines of the steel frame to which it is secured by radial supports. The sheet metal clads the steel frame and that cavity between the outer cladding and the inner container is filled with heat insulating material. USE/ADVANTAGE - The container serves to store dangerous materials incorporating polychlorinated diphenols esp. where they might be exposed to the risk of fire or explosion. It is compact and can be mfd. at low cost
Patent DE-4105810-A1 (DE)
Title: Belt with water vanes - acts as water wheel to extract energy from falling water and runs vertically, stretched between two rollers
Inventor: SCHOENFELD KURT
IPC: F03B9/00
Filed: 1991-02-23
Abstract: The running belt (1) is tensioned over two rollers (2), and the blades (3) are fitted to it. The assembly is then placed in the flowing water so that the wt. of the water may be used as energy source. As an alternative, a running blade belt can be fitted between two floating bodies and utilises the flow of water as energy source. USE - To derive power from a flowing water course.
Patent DE-4112330-A1 (DE)
Title: Planetary switch gear with several output speeds - has gear members connected together by switch member
Inventor: KLEIN ANTON
IPC: F16H63/04
Filed: 1991-04-16
Abstract: The planetary switch gear has several output speeds wherein the gear members are connected together in force locking or keyed engagement by means of a switch member. The hollow wheel (12) of the gearing can be connected by a switch member (15) to the sun wheel (7) or the housing (1,2). The drive and output can be produced through the sun wheel (8) and planetary wheel support (9,10). The planetary wheel support (10) can be connected positively or in force locking engagement selectively to the sun wheel or housing by means of the switch member. ADVANTAGE - Simple compact construction.
Patent DE-4113729-A1 (DE)
Title: Nuclear reactor fuel assembly with uranium and plutonium fuel rods - enriched in uranium 235 and/or plutonium in axial direction for light water reactor
Inventor: YOSHIOKA RITSUO
IPC: G21C3/62
Filed: 1991-04-26
Abstract: In a nuclear fuel assembly with a ducted case contg. numerous fuel rods, at least some of the fuel rods are charged with a fuel mixt. of U and Pu and u-235 enrichment and/or Pu concn. is provided in predetermined gradient in the axial direction of the fuel rods. Some of) the rods may contain a burnable poison, with axial concn. gradient. If U-Pu fuel rods and U fuel rods without burnable poison are used, the upper and lower zones of the U fuel rods, corresp. to 1/24 of the effective length of the rod, are charged with natural U and (pt. of) the rest of the rod has an enrichment zone, except the upper and lower zones sepd. by a middle zone. The enrichment of the upper and lower zones is less than that of the middle zone and the concn. of burnable poison gradually decreases from the upper to the middle and then the lower zone. Each rod charged with the U-Pu mixt, has a cavity making it max. 15 cm longer than the U rod. Some fuel rods with a total cross-sectional area more than 6% of the cross-sectional area of all the fuel rods in the ducted case are replaced together by a water rod, through which non-boiling water flows, or leave a zone free from fuel for water flow. USE/ADVANTAGES - The assembly is used in a light water reactor.  The thermal region or switch-off region of the core is better and the fuel transport and handling costs are reduced.
Patent DE-4114330-A1 (DE)
Inventor: KIRCHENGAST MICHAEL DR
IPC: A61K31/275
Filed: 1991-05-02
Abstract: The description relates to combinations of medicaments of calcium/serotonin antagonists and thromboxane-A2-receptors suitable for treating diseases.
Patent DE-4115093-A1 (DE)
Title: Broadcast receiver with channel selective tuner - has extra memory for data words of frequencies of authorised transmitters
Inventor: THOMA FRIEDRICH
IPC: H03J1/00
Filed: 1991-05-08
Abstract: The receiver has a selective channel tuner, whose tuning voltage is transmitted by a frequency comparison of the actual frequency and a rated one given by a tuning microcomputer over a serial data line. The receiver contains an additional appts., consisting of a memory (5) for the data words of transmitter determined frequencies of authorised transmitters. The memory is connected to a selective microcomputer (4) for transmitting the stored data words. The computer, in turn, releases the data words to the tuner (1), on coincidence of those in the memory and of the data word in the tuning microcomputer (3). Pref. the latter and the selective microcomputer form a module. USE/ADVANTAGE - For radio, satellite, TV and video receivers, e.g. for pay TV, excluding police and military traffic, with the additional appts. safeguarding only selected transmitter for reception.
Patent DE-4117705-A1 (DE)
Title: Sales presentation unit for garden shears - has swivel bearing to move shears round into inspection position exposing handles
IPC: B65D73/00
Filed: 1991-05-30
Abstract: The unit has a cardboard support (3) on which the shears (2) are mounted for swivel movement by a bearing (20). In the presentation state the shears are covered at the back completely a support plate (31) and flanked at the sides by a screen (45). The shears can be swivelled over the bearing (20) so that the handles (8,9) are exposed for test operation. The bearing (20) is pref. formed by a push in bolt which engages directly into a blind hole in the handle (15) of the shears. USE/ADVANTAGE - It is now possible to inspect all the parts of the tool displayed in the sales packaging and presentation unit.
Patent DE-4119252-A1 (DE)
IPC: B65D69/00
Filed: 1991-06-11
Abstract: A container, consisting of a hollow shaped body (1), in particular of plastic material,   - having an upper part (2) and a lower part (3) which can be separated to receive objects, - having end faces (7) which are arranged perpendicular to the longitudinal axis of said body, and of which in each case one has a projection (5) and the other has a cutout (15) in which the projection (5) of the one end face can be inserted to produce a releasable connection, and - having connecting means (4) on the circumference of at least one of the parts (2, 3) of the shaped body (1), is constructed for the purpose of bringing about sliding or plug-in connection possibilities in virtually any directions and for use as a plug-in module for a plurality of dimensions, in such a way   - that a projection (5) is provided in one of the end faces (7) which contains the cutout (15) to receive the projection (5) of the other one of the end faces (7), and - that recesses (4) and elevations (8) which alternate with one another are provided on the circumference of the at least one part (3) of the shaped body (1), by means of which recesses and elevations a sliding or plug-in connection can be produced, by engagement of at least one elevation (8) in at least one recess (4), on the circumference of different shaped bodies (1) in each case.   <IMAGE>
Patent DE-4125464-A1 (DE)
Title: Two-axis rotary piston blower - has profiling of piston rotors chosen to give optimal sealing surfaces
Inventor: LINSENMEYER RAINER
IPC: F04C18/12
Filed: 1991-08-01
Abstract: The external axis rotary piston blower has a housing (1) with two pistons (9,10) rotating on shafts (7,8) in the counter directions (13,14) bounded at their sides by cylindrical surfaces (17,18). The sealing area (23) is formed by roll-off curves (22) where the roll-off movement lasts from the end of the roll-off of the larger cylinder surface (16) of the piston (9) to the small inner cylinder surface (17) of the counter piston (10) up to the start of the large cylinder surface (15) of the piston (10) to the small cylinder surface (18) of the piston (9). USE/ADVANTAGE - Two-axis rotary piston blower. The roll-off curves are calculated to give optimal sealing under expected thermal expansion conditions.
Patent DE-4129018-A1 (DE)
Title: Electromagnetically driven pump esp. for vehicular air compressor - is operated by periodically varying current in coils co-operating with permanently magnetised annular sections of casing
Inventor: BOGNER PETER
IPC: F04B35/04
Filed: 1991-08-31
Abstract: The pump has a piston (7) sliding in a cylinder (4) of variable volume. The piston has plastic sleeve (14) with an annular electromagnet coil (21) near each end, concentric with the axis. The length of each coil slightly exceeds the piston stroke so that at the limit of travel a portion of the coil enters an annular gap (18) between a section (17) of magnetic core (16) and the internal surface of the casing (1,2). USE/ADVANTAGE - E.g. for pneumatic adjustment of driving seat; compact and efficient pump consumes little power and involves no gearing for rotary-to-reciprocating motion conversion.
Patent DE-4129573-A1 (DE)
Title: Heat exchanger, esp. refrigerating agent condenser - has flat tubes, with ends inserted into punched openings with raised edges, and soldered
Inventor: HEEB WOLFGANG
IPC: F28F9/02
Filed: 1991-09-06
Abstract: The heat exchanger consists of connection boxes, located at a given relative distance. Each has a cover, a fluid-tight soldered base (3), parallel flat tubes (5), and ribs between the tubes. The ends (5a) of the flat tubes are inserted into openings (6) in the bases, and are soldered so that they are fluid-tight. Each opening is made by punching, and its circumferential dimensions are smaller than the outer dimensions of a flat tube end. When a tube end is inserted, the raised edge (14) of the hole is widened, and/or the end of the tube is constricted. USE/ADVANTAGE - Simple mechanically secure retention of tube ends in refrigerator heat exchanger, with soldering resistant to high pressures.
Patent DE-4135072-A1 (DE)
Title: Fluid colourant formulation - contg. pigment and adipic acid polyester, for colouring plastics, e.g. PVC or pref. polyurethane, esp. foam
Inventor: RUNDE HANS-JUERGEN DIPL CHEM I
IPC: C08J3/22
Filed: 1991-10-24
Abstract: Fluid colorant prepn. (I) contains hardly water-soluble or water-insol. colorant(s) (II) and polyester(s) (III) of adipic acid and polyol(s), (III) having viscosity of 500-2300, pref. 1000-1200 mPa.s at 23 deg.C and shear gradient of 7.3/s. Pref. the viscosity values are 1000-1200 mPa.s for (III) and 1500-8000 mPa.s at 23 deg. C for (I), (I) contains 5-70 (wt.)% (II) and 95-30% (III). (II) is pigment or dyestuff (e.g. contg. amino or OH gps.) incorporated in PUR. (III) is derived from adipic acid and propylene glycol. USE/ADVANTAGE - (I) is used for colouring plastics. It is esp. suitable for colouring polyurethane (PUR), esp. PUR foam, but may also be used e.g. in PVC. The PUR foam has uniform pore structure and depth of colour. In an example, 11 g of the pigment 4,4'-di(N-(4''-chloro-2'',5''-dimethoxy-phenyl) -acetoacetamido-C-azo)-3,3'-dichloro-diphenyl and 89 g polyester from adipic acid and propylene glycol (OH no. 150-2000; viscosity 1200 mPa.s at 20 deg. C) were ball milled to fluid paste suitable for colouring PUR fo
Patent DE-4139065-A1 (DE)
Inventor: PIRCK DIETRICH
IPC: C10N40/14
Filed: 1991-11-28
Abstract: Homogeneous electroviscous liquids contain or are composed of aluminium soaps on the basis of reaction products of one or several polycarboxylic acids or their anhydrides or semi-esters with aluminium alcoholates. Such liquids have a high electro-rheological activity and are totally homogeneous.
Patent DE-4139969-A1 (DE)
Title: IC engine of swashplate type - has swashplate, with central divider to form two working chambers, and sealing rail
IPC: F01C3/06
Filed: 1991-12-04
Abstract: The engine has a swashplate (2), and has into two working chambers (5,6) of adjustable volume, separated by a divider (4). This extends across the centre of the swashplate. A groove is located on the side, where the divider is fastened to the plate. The groove accommodates flexibly a fastening rail for the joint of the sealing rail (3). The sealing rail is flexibly and movably fastened to the divider, to seal the working chambers. It engages pressure-tight on the swashplate, and follows its movements. USE/ADVANTAGE  - For mechanical drives, motor vehicles, aircraft, ships, is without any mechanical transmission elements, working pressure acts directly on inclined faces of swashplate.
Patent DE-4212647-A1 (DE)
Title: Equipment for scattering sand in front of wheels of vehicle - has flexible connection between metering head and a scatter feed
Inventor: GOLDMANN NORBERT
IPC: B61C15/10
Filed: 1992-04-15
Abstract: The distributor for scattering anti-slip material such as sand in front of the wheels of rail vehicles or goods vehicles comprises a metering head (1) and a distributor (4) joined to each other by a set of flexible connections (7-9) such that the length of the connection is variable. The connection comprises a relatively rigid webbed hose (7) extending from the metering head, a steel guide tube (8) extending from the distributor and a spiral hose compensator (9). ADVANTAGE - Scatter system which offers maximum flexiblity of use and avoids sand caking due to moisture.
Patent DE-4213395-A1 (DE)
Title: New isothiazolo:pyrazine azo dyestuff cpds. - are used as disperse dyestuff for hydrophobic substrate, esp. polyester textile
Inventor: NAEF RUDOLF DR
IPC: C09B29/00
Filed: 1992-04-23
Abstract: New hetero-aromatic azo dyestuffs are isothiazolo(4,3-b)pyrazine-3-azo cpds. of formula (I), where R and R1 each = H, alkyl, aryl, alkoxy, alkylthio, arylthio or CN; or R + R1 = -(CH2)4-, -CH=CH-CH=CH-, naphtha-1,8-diyl or diphenyl-2,2'-diyl; KK = the radical of a coupling component. USE/ADVANTAGE - (I), which contain no gps. imparting solubility in water, are claimed for use as disperse dyestuffs for dyeing and printing (semi)synthetic hydrophobic material, esp. polyester fibre textiles. They are suitable for dyeing cellulose 2 1/2- and triacetate and esp. linear aromatic polyesters, e.g. PET, poly(cyclohexane-1,4-dimethyl terephthalate), polycarbonates, e.g. bisphenol A polycarbonate, PVC and polyamides, e.g. in the form of fibres, filaments or nonwoven, woven or knitted textiles, esp. by the thermosol process. They have very good reserve for wool and cotton, making them suitable for dyeing polyester/wool and polyester/cellulose textiles. .s.
Patent DE-4213927-A1 (DE)
Title: Machine tool computerised control method for milling machine - using interpolation programme with spherical and polynomial functions to interpolate transition lines at connection between trajectory lines
Inventor: STURM LEONHARD DR
IPC: G06F17/17
Filed: 1992-04-28
Abstract: The method uses a programme controlled computer. An interpolation programme interpolates transition lines (U) at the connection areas between consecutive trajectory lines in accordance with trajectory functions. The interpolation programme forms spherical functions (19) around the coordinate points of the trajectory. The transition lines extend between the intersection points (51,52) of the incoming and outgoing trajectory lines (61,62) with the sphere surface. A polynomial function is assembled as the transition line to connect the two intersection points with the boundary conditions. ADVANTAGE - Enables automatic interpolation at transition points.
Patent DE-4218466-A1 (DE)
Title: Boring tool with freedom from vibration - has cutting dia. variable by altering hydraulic pressure acting on struts of different expansion characteristics
Inventor: GERK WILFRIED
IPC: B23B29/034
Filed: 1992-06-04
Abstract: The boring (10) head may be used to produce high accuracy cylindrical bores. It has a boring tool (40) on the end of a drill shaft (30) with an enlarged base which may be bolted to a base piece with cutouts (32,33,36) between its top and bottom portions. The connection pieces (37,38) between the top and bottom portions are of different widths (S2,S1). There is a protective ring (18) on the outside of the base piece. In the central cutout (32) of the base piece there is a piston and cylinder mechanism (51,52) with a flexible seal (53) and a bore (54) for admission of high-pressure hydraulic fluid. USE/ADVANTAGE - Boring tool with freedom from vibration and cutting dia. variable by altering hydraulic pressure.
Patent DE-4223870-A1 (DE)
Title: Wheel support and axle assembly for vehicle - comprises carrier plate with bolted-on axle journal and strut support recess being detachably assembled from vehicle interior
Inventor: PEDDINGHAUS ERWIN DIPL ING
IPC: B60B35/02
Filed: 1992-07-20
Abstract: The arrangement has a carrier plate (20) which is rigidly connectable to the vehicle axle and workable for the setting of wheel track and wheel camber. A wheel carrier (30) produced as a single component has an axle journal (31) for the support of the wheel and a recess to accommodate a shock absorber strut. The component is releasably attachable to the carrier plate, and the weld seam (15) is produced by the MAG-C welding process. It can be assembled from the interior of the vehicle. ADVANTAGE - Allows simpler dismantling for the purpose of servicing and repair.
Patent DE-4224607-A1 (DE)
Title: New biodegradable ether carboxylate stabilising agent - useful for oxidative or reductive bleaching of TMP, CTMP, mechanical wood pulp or chemical pulp and for de-inking waste paper
Inventor: BAST-KEMMERER INGE DR
IPC: D21C9/10
Filed: 1992-07-25
Abstract: Oxidative or reductive bleaching of (chemo-) thermomechanical pulp (TMP, CTPM), mechanical wood pulp or chemical pulp using hydrogen peroxide in the presence of a stabilising agent or using reductive bleaching agents, e.g sodium dithionite, is characterised by the use of ethercarboxylate (mixt.)-contg. stabilising agents. Also claimed are stabilisers (A) for oxidative or reductive wood bleaching agents comprising epoxysuccinic acid polymers or oligomers or derivs. thereof having a degree of polymerisation n, of 2-100 (2-10) and contg. monomer units of formula (I); n = 2-100, pref. 3-10; M = H or water-sol. cation; and R1, R2 = H or opt. substd. 1-4C alkyl. Pref. (A) contain Al, Si or Mg salts, or complexing agents such as eg., polyhydroxy carboxylic acids e.g., gluconic or tartaric acid, or polycarboxylic acids, e.g, (epoxy) succinic, polyacrylic, adipic or citric acid. (A) are prefd. stabilising agents for the process. USE/ADVANTAGE - The process may also be used for de-inking waste paper. Stabilising agents are readily biodegradable contribute little if at all, to the complexing index, and have stabilising properties comparable with prior art cpds.