baber/WOPTO huggingface dataset:
Patent DE-4115428-A1 (DE)
Title: Silicone filled breast prosthesis - has air passage with valve for inflating and deflating inner chamber
Inventor: WEBER-UNGER GEORG
IPC: A61F2/52
Filed: 1991-05-08
Abstract: Breast prosthesis has two outer chambers formed by silicon-filled casings of sheet material. These enclose an air-filled inner chamber. The outer chamber towards the body of the wearer has a passage shut by a valve, and through which air can be pumped into or released from the inner chamber. The peripheral edges of the silicon-filled chambers can be welded together to form the inner chamber. There can be a stiff annular wall enclosing the passage to the inner chamber, filled with harder silicon, and polyurethane can be used for the casings. ADVANTAGE - Easy alteration of volume without discomfort to the wearer.
Patent DE-4116646-A1 (DE)
Title: Modular multifunctional machine tool - has interchangeable tool holding assemblies with integral tool positional adjustment
Inventor: WALLICH ERICH
IPC: B23B5/16
Filed: 1991-05-22
Abstract: The machine consists of a base module (22) and a fixturing mechanism (7) which holds a number of drive modules (20, 21, 18) which rotate, position and hold the attached tool-holders (8). The toolholders (8) are interchangeable by means of a chuck assembly (10) and corresponding mating parts (33, 34) on the base module and the chuck (10). The toolholding chucks (10) have tools (11, 12) which can be radially positioned by means of positioning cylinders (13, 14). The chuck may also have an adjustable tapered collet arrangement (25, 26). USE/ADVANTAGE - Multi-functional machine tool to accurately machine tubes, rods, and polygons with reduced set up times.
Patent DE-4117041-A1 (DE)
Title: Coating lead crystal to reduce lead loss during corrosion - by sol-gel method involving hydrolysing and condensing cpds. of silicon, aluminium, titanium or zirconium
Inventor: SCHMIDT HELMUT PROF DR
IPC: C03C17/25
Filed: 1991-05-24
Abstract: Lead crystal objects, are provided with a protective coating by the sol-gel method in which compounds of at least one element from Si, Al, Ti and Zr opt. in combination with a cpd. of at least one element from alkali metals, earth alkali metals and boron, which are all soluble in the reaction medium are hydrolysed and condensed in the presence of a condensation catalyst to produce a protective coating on the glass object. The coated object is then heat treated. USE/ADVANTAGE - Coating lead crystal carafes and glasses. The coating reduces the amount of lead escaping from the glass especially during corrosion with fluids.
Patent DE-4118468-A1 (DE)
Title: Separator column for sepg. contents of mixt. by rectification - useful for liq. hydrocarbon(s) of differing b.pt. from gas mixt. with run=off shaft in heat exchanger
Inventor: WINKLER HUBERTUS DR
IPC: F25J3/06
Filed: 1991-06-05
Abstract: Heat exchanger has a gp. of passages whose inlets and outlets are both linked with the central area of the sepg. column, and a second gp. of passages which each have an inlet and an outlet pipe for the heat transfer medium. Fluid within the first gp. flows upwards with the gas; the upper heat exchanger faces act as rectifier bases; and a run-off shaft leads from the rectifier bases to the inner area of the separator column underneath the heat exchangers. USE/ADVANTAGE - Separates high b.pt. components e.g. C2+-, C3+- or from C4+ hydrocarbons, from a gas mixt., also contg. components with a lower b.pt.
Patent DE-4118769-A1 (DE)
Inventor: PILZ REINER E
IPC: G11B33/04
Filed: 1991-06-07
Abstract: This housing, intended to receive one or two discs, is composed of a bottom (1) and a cover (2). A support plate (3), furnished with clamping means (27) for holding one compact disc per face, is arranged between the bottom (1) and the cover (2). When the housing is closed, lateral walls of the bottom (1) and of the cover (2) completely enclose the support plate (3), with the exception of openings (15, 18) wherein are freely accommodated grasping plates (30) serving to release a catch. The housing has the same thickness as conventional straightforward housings but can accommodate two compact discs which can be extracted selectively, by pivoting the support plate (3) with respect to the bottom (1) or to the cover (2). The compact disc housing can be premanufactured in full and assembled at the manufacturer's, and moreover allows the subsequent emplacement at the manufacturer's not only of compact discs, but also of texts attached in the bottom (1) and the cover (2). <IMAGE>
Patent DE-4119350-A1 (DE)
Inventor: FISCHER ARTUR PROF DR
IPC: B28D1/14
Filed: 1991-06-12
Abstract: Such a device (1) consists of an adaptor (22), accommodating the drilling tool (15) and connected to a drilling machine in such a way as to transmit torque, and a bearing bush (9) which is fastened in a holder of a column and in which a sleeve (10) firmly connected to the drilling machine (12) is accommodated and mounted in such a way as to be rotatable and pivotable via a pivot bearing. 
<??>In order to obtain positive deflection with this device, a lever (35) is attached to the drilling machine, the end (34) of which lever (35) is connected to a crank (31). The lever can be deflected using the crank (31) and can be moved in a circle about its centre axis by at least one pin (37a) bearing on the peripheral surface of a cam plate (39) connected to the column, which pin (37a) is arranged on the crank. 
<IMAGE>
Patent DE-4120195-A1 (DE)
Title: Alloy cylinder block for IC engine with improved operating and mfg. characteristics - has cast-in perforated cylindrical sleeves of wear resistant material formed by stamping out emergent edge elements and covering with layer
Inventor: HECK KLAUS DR
IPC: F02F1/18
Filed: 1991-06-19
Abstract: Cylinder block for an IC engine is provided with cast-in, perforated cylindrical sleeves of a wear-resistant material of higher m.pt. Sleeves are formed by stamping out the emergent edge elements of members of a thin sheet, these edges being covered with a layer applied by thermal spraying. Sleeves are made up of ring members located one above another, or by longitudinal members arranged side by side on the cylinder circumference. Bearing elements of the ring or longitudinal members pref. have a different hardness and/or coating and/or geometry along the piston sliding path. Proportion of the sliding path area of the cylinder formed by the bearing elements of the cast-in sleeve varies from 10 to 30% of the total cylinder surface area. USE/ADVANTAGE - Alloy cylinder block is used in the motor mfg. industry. Improved working properties and, partic. mfg. technology (with possible use of automation for certain process taken into account) of such cast-in liners.
Patent DE-4121476-A1 (DE)
Title: Framework plates for multipurpose furniture systems - are mass-produced with different surface structures to support other fitments in any direction.
Inventor: RIND JOACHIM G
IPC: E04F15/024
Filed: 1991-06-26
Abstract: The framework plates (1) may be adapted for use in a number of different furniture systems. They are shaped from compressed fibre boards or deep drawn from plastics or sheet metal, using suitable standard machine tools. Groove sections (2) may be milled in the solid material or can be drawn or printed in thin wall material. USE/ADVANTAGE - Framework plates for multipurpose furniture systems. Further fitments such as drawer guides and shelf bases can be fitted in the assembled plates in all directions.
Patent DE-4125475-A1 (DE)
Title: Lumber machine for collecting wood without tipping - has adjustable jib arms with spaced grippers avoiding horizontal forces acting on ground
Inventor: DANNER SEBASTIAN
IPC: A01G23/00
Filed: 1991-08-01
Abstract: The lumber machine has a lumber tool attached to two hinged jib arms (30) which can be raised and lowered by pressurised cylinders. The lumber tool consists of two laterally spaced grippers (10) whose one arms (11) are each mounted hinged near the end of the associated jib arm (30) remote from the base. Each other arm (12) of the grippers are mounted on the first arm for adjustment relative to same by means of its own pressurised cylinder (13). The grippers can be swivelled approx. 180 deg. and are adjustable between a vertically downwardly pointing opening and a vertically upwardly pointing opening. USE - To pick up and move cut branches without damaging the ground and without the wood falling down.
Patent DE-4127870-A1 (DE)
Title: Rotating disc four stroke IC engine - is designed so that piston centre lines intersect
Inventor: LIPINSKI JOSEF
IPC: F01C3/02
Filed: 1991-08-22
Abstract: The IC engine has two rotating discs working as a piston engine on the four-stroke principle. The first working disc (1) with its working piston (2) is arranged at an angle to the compression disc (3) with its compression piston (4). Both discs run in their own housings also arranged at an angle to each other such that the centre lines of the pistons intersect. USE/ADVANTAGE - Rotating disc IC engine which avoids the need for control elements such as bars, slides or flaps.
Patent DE-4129613-A1 (DE)
Inventor: HEFNER HEINZ DIPL CHEM DR
IPC: A61K6/90
Filed: 1991-09-06
Abstract: The storage-stable polysiloxane mass contains components (A), that comprises a polysiloxane mass with aliphatic double bonds and a noble metal catalyst; and (B), that comprises a polysiloxane mass with Si-H groups and if necessary further aliphatic double bonds. In addition, component (A) contains a noble metal catalyst-free hydrophilic modifier composed of a (poly)siloxane backbone with alkylene ether units chemically bound to the (poly)siloxane backbone and (i) residues with aliphatic double bonds, and/or component (B) contains the same modifier with (ii) Si-H groups and/or residues with aliphatic double bonds. This storage-stable polysiloxane mass is useful as a dental mould-taking mass.
Patent DE-4132581-A1 (DE)
Title: Circuitry transforming circuit output to tri-state - uses transistor connected to circuit output with diode across main electrodes conductive opposite to main current
Inventor: KRIMMER ROLAND DIPL ING
IPC: H03K19/082
Filed: 1991-09-30
Abstract: The circuit arrangement includes a transistor with one main electrode connected to the digital circuit output (A). A diode has both connections to the main electrodes, with its conductive direction opposite to that of the main current. The other main electrode of the transistor becomes the tri-state output circuit. The control electrode of the transistor become the control input for tri-state switching. The digital circuit output implements tri-state switches with a definite logic level. ADVANTAGE - Enables digital output circuit to be switched tri-state using simple semiconductor switches.
Patent DE-4140770-A1 (DE)
Title: Waste water cleaning unit, especially for use underground - comprising cylindrical housing contg. filter element(s) with water level in housing automatically reduced and filter cake removed compressed air when required
Inventor: KUEHME ERNST DIPL ING
IPC: B01D35/12
Filed: 1991-12-11
Abstract: Unit contains at least one filter with a filter element fixed in a filter housing (9) and covered with a filter medium (17). The water flows inwards through the filter element and after passing through a separate collection chamber (35) leaves the housing via a closable filtrate outlet (47). The waste-water chamber (33) which surrounds the filter medium is provided with a closable outlet (38) for the filter cake which is removed during periodic cleaning of the filter element. A process controller is provided with a sensor which measures the water level in the housing and controls the operation of the water and filter cake valves (AK1 to AK3) and air valves (V1 to V3). Before cleaning of the filter, the water level in the housing is lowered by compressed air via valve (V1) to a level related to the expected dry matter content of the filter cake. The housing is then ventilated via air valve (V2) with the filtrate and filter-cake outlets closed. Compressed air (45) from a valve (V3) then removes the cake from the filter element, and on completion of the required cleaning period the unit is returned to service. USE/ADVANTAGE - Especially for underground applications e.g. in mines. Is particularly suitable for the special requirements of underground operation, and maintains in a simple manner the required cleanness of water disposed of into drainage channels etc.
Patent DE-4142258-A1 (DE)
Title: Reduced stress welded frames for vehicle doors and windows - has shaped ends on vertical struts to fit horizontal frames on weld seams
Inventor: BREITLING ULRICH DR ING
IPC: B62D31/02
Filed: 1991-12-20
Abstract: The vertical struts (1) have their end cut and shaped to fit over the contour of the horizontal struts (2). The vertical ends are widened in the plane of the window to form curves (4) for an angled join to the horizontal struts, and to form the window corners. The joins are seam welded. The cut-outs are via laser cutting and take account of mounting lips for the window panes. The curved ends apply only in the window plane, leaving the outsides of the frame smooth. USE/ADVANTAGE - Windows for buses, trains, trucks etc. Reduction of stress and welds, minimum of post weld finishing required.
Patent DE-4207866-A1 (DE)
Title: Filling moulds with non-foaming multi-component plastics - using piston  and spring arrangement to switch off filling process
Inventor: REISINGER GERHARD
IPC: B29C67/24
Filed: 1992-03-12
Abstract: In a process for filling closed moulds with non-foaming multi-component plastics, partic. polyurethane, complete filling of the mould cavity is determined volumetrically by means of a displacement body in the form of a piston which moves against a spring. The piston actuates a switch to interrupt the filling process. ADVANTAGE - Improved filling reliability, not pressure-dependent.
Patent DE-4216388-A1 (DE)
Title: Note pad on marking label system with adhesive edge - has holding leaves, coupled to cover sheet, for releasable adhering of note leaf
IPC: B42D5/00
Filed: 1992-05-18
Abstract: The note or label leaves have an adhesive zone at one edge. The holding leaves (5) are coupled to a cooler sheet (2a,b) for releasable adhering of the note leaves (4). They are in a stack, pref. forming a pad, or another registered configuration. The holding leaves can be moved along the adhesive edge zone (6) of the individual note leaves about a swivel axis (7) and are coupled to the top leaf, on the pad cover. Pref. the holding leaves are of paper or plastics foil. USE/ADVANTAGE - Marking system of note pad prevents loss, and allows easy handling.
Patent DE-4218188-A1 (DE)
Title: Digital video tape cassette with semiconductor storage device - uses memory module similar to chip card and matching slit-shaped aperture
Inventor: PLATTE HANS-JOACHIM DR ING
IPC: G11B15/07
Filed: 1992-06-03
Abstract: The digital video tape cassette (1) has tape spools (2,3) and an internal recess (5) accommodating a chip carrier (6) with a memory chip mounted on it. Four U-shaped contacts (4) are mounted in the cassette body so that the base of the 'U' lies on the outer surface of the cassette to make contact with external devices. The chip carrier is fixed in a slot within the cassette making contact with the arm of the 'U' contacts. Two chip carriers may be fitted; one contacting each arm. In use, the chip is used to store cassette specific information, such as recorded data, play timing etc. ADVANTAGE - Simple and rational fixing of one or more semiconductor memories on cassette housing ensuring good contact to all of them.
Patent DE-4218718-A1 (DE)
Inventor: BLUM RAINER
IPC: C08G73/10
Filed: 1992-06-06
Abstract: A process for the production of structured layers of heat-resistant polycondensates, characterised in that ethylenically unsaturated tetracarboxylic esters or adducts or salts of tetracarboxylic esters which still contain at least one unesterified carboxyl group, together with ethylenically unsaturated amines, amides or onium compounds which can be polycondensed with the tetracarboxylic esters and contain amino groups, isocyanate groups or blocked isocyanate groups, are applied as a coating to a substrate, this coating is exposed through a negative original, the unexposed soluble areas are subsequently removed, and the insoluble areas are converted into polycondensate form at elevated temperature.
Patent DE-4220900-A1 (DE)
Title: Underground hollow pipe inspection system e.g. for water supply line - has hollow body feed system which allows flexible bending but is axially rigid for moving head for carrying video camera, test sensors, etc. and connected to central power and processing units.
Inventor: ERTL HERBERT DIPL ING
IPC: E03F7/12
Filed: 1992-06-25
Abstract: The appts. has at least one test head (8,9) connected to a feed system (6,7) which moves the test head into the chamber (15) to be tested. The feed system consists of a flexible but axially stiff hollow body. The hollow body can be an armoured tube or linked hollow body. The test head has a video camera, an illumination system, seals, test sensors for leak testing or working devices. Each measurement device in the test head is connected to a central current source and an evaluation unit (2) via its own current supply cable and data cable which run inside the feed arrangement (6). USE/ADVANTAGE - E.g. for testing channels, flues and pipelines, waste water lines etc.. Simple, reliable, universally applicable device is very mobile and enables rapid, economical testing.
Patent DE-4222000-A1 (DE)
Title: Rotary-piston engine for vacuum, injection or diesel motors - has discs in separate housings on common shaft with central bearing and incorporating pistons
Inventor: LIPINSKI JOSEF
IPC: F02B75/02
Filed: 1992-07-04
Abstract: The engine can be two- or four-stroke. It has two discs (1,2) on a common shaft with a central bearing and working in separate housings. Each disc incorporates one or more pistons (11), and intermediate spaces of the same size as the pistons. These are connected by one or more combustion chambers, in each of which a slide works in the axial direction. The axial distance between the running faces of the discs are kept constant, while the joints between the pistons and spaces are symmetrical. USE/ADVANTAGE - Low noise level, being for use in lawnmowers, chainsaws etc.
Patent DE-4225337-A1 (DE)
Title: Assembly line for vehicle IC-engines - has workpiece carrier holding parts in fixed relative positions so that identical parts to be assembled can be picked and placed by gripper while carrier is shuttled by feed cam
Inventor: EPPLE GUENTHER DIPL ING
IPC: B23P21/00
Filed: 1992-07-31
Abstract: The assembly station (8) in the line assembles a component part (3-6) onto the base part (7). The workpiece carrier (1,2) holds the base part and the component parts in a predetermined position for assembly, all identical component parts being at the same distance from the base part. The feed movement of the workpiece carrier is derived from a cylindrical cam (9) having a spiral track with two stop positions (10, 11). ADVANTAGE - Assembly movements are very simple, permitting fast and reliable assembly.
Patent DE-4234615-A1 (DE)
Title: Load transfer bridge for goods vehicle - has longitudinal side walls which can be folded flat on base frame
IPC: B65D90/14
Filed: 1992-10-14
Abstract: The load transfer bridge for wagons and goods vehicles used for the transport of piece goods has a base frame (1) with foldable face walls (8) at both face ends and side walls (12) extending between the face walls. The side walls on the longitudinal sides of the base frame are fitted to swivel about 270 degrees so that they can be moved out of the suspended loading position through the upright wall position into a flat folded position on the base frame, and vice versa. ADVANTAGE - Folding construction which facilitates stacking of the bridges when not in use.
Patent DE-4240613-A1 (DE)
Title: Pot shaped toothed workpiece - obtd. by pressing circular blank in tool with negative tooth profiles
IPC: F16H55/17
Filed: 1992-12-03
Abstract: Pot-shaped workpiece is a cold shaped pressure component, formed by at least one pressure roller (3) and a pressure tool (2) with corresponding negative tooth profiles (23,24) for the clamped circular blank (1'). Also claimed is a mfg. process where the flat circular blank (1') is clamped between two separated parts (21,22) of a pressure tool (2). Through radial presentation, at least one pressure roller (3) bears on the material at the edge zone (12) of the blank (1') to reduce its outer dia., while the negative tooth profiles (23,24) impress the inner and edge tooth structures. Also claimed is an appts. as a pressing machine with a pressure tool (2) to take a circular blank (1') between two axially separated parts (21,22), with negative tooth profiles (23,24), to form the inner and end tooth structures. It has at least one radially presented pressure roller (3). USE/ADVANTAGE - The process is for the prodn. of pot-shaped workpieces of metal, and pref. steel, with axial inner teeth and radial end teeth, such as for gearings and couplings. The cold pressure shaping gives a quality component, cheaply produced, without the complexities of turning and milling.
Patent DE-4243479-A1 (DE)
Title: Yarn guide eye for ballooning yarns
Inventor: STEINIGER KONSTANTIN
IPC: D01H1/42
Filed: 1992-12-22
Abstract: A yarn guide eye (1) is for ballooning yarns (8,9) and is located at the yarn balloon exit. The eye (1) is mounted rotatingly and its axis is axially identical or axially parallel to the rotation axis of the yarn balloon. The axis of the eye (1) rotates on a circular path round the rotation axis of the yarn balloon.
Patent DE-4301049-A1 (DE)
Title: Document folder made from rectangular sheet of paper - has indentation in one edge of one panel to prevent tearing of documents
Inventor: SCHLIESSER MICHAEL
IPC: B42F7/02
Filed: 1993-01-16
Abstract: A folder for holding documents is made from a rectangular sheet of paper. The paper is divided into two panels (10, 12) by a fold line (14'). The panel (10) has an indentation (34) cut in its outer edge and has flaps (16, 18) extending from the lower (16) and outer (18) edges. The panel (12) can be folded along the fold line (14') so that it covers the panel (10) and is then secured by folding the flaps (16, 18) along the fold lines (20', 22') and then gluing the flaps to the edges of the panel (12). USE/ADVANTAGE - Folder for storing documents. The indentation enables the folder to be opened to receive the documents without risk of tearing the folder or documents.
Patent DE-4302578-A1 (DE)
Inventor: BREINDL JOHANN
IPC: B43K19/14
Filed: 1993-01-30
Abstract: A barrel (1) for a stick of writing or drawing material, for example a waxed painting crayon, retains the stick in its bore by plastically deformable tongues projected into the bore, wherein the end of the stick bears on a tongue or tongues so as to be secure against displacement under the writing pressure. The tongues are spaced to provide predetermined increments of the stick and are constituted by portions (3) of the wall of the barrel, the portions being manually deformable or bendable inwards as required. <IMAGE>
Patent DE-4308840-A1 (DE)
Inventor: DOMNICK ARNO
IPC: E04C2/42
Filed: 1993-03-19
Abstract: A bar grating for covering gutters, shafts and similar hollows comprises retaining parts which each form a connecting pin, grating bars which are located thereon and have through-passage openings, and intermediate pieces which are arranged between these, and it can be laid with different installation dimensions. The intermediate pieces are each designed as a single-part connecting member which exhibits a central spacing part and, on both sides thereof, axial aligned joining parts as retaining parts and is intended for two adjacent grating bars, said joining parts, in the installation position, engaging through the respective through-passage openings of two adjacent grating bars such that the latter bear on respective spacing-part supporting surfaces which project radially beyond the joining-part diameter.