baber/WOPTO huggingface dataset:
Patent DE-4037239-A1 (DE)
Title: Supporting dental impression in articulator - involves U=shaped frame mounted on swivelling support frame
Inventor: BRAUN SIEGFRIED
IPC: A61C19/045
Filed: 1990-11-23
Abstract: The appliance is used for positioning an impression of a patient's teeth and jaw in relation to the hinge axis (34) of an articulator. It consists of a U-shaped frame (12) with two parallel legs (21,22). The outer ends of these legs are fitted with olive shaped blocks (26,27) which are  aligned with the joints of the patient's jaws. This U-shaped frame is attached by a swivelling joint to a support (14) which supports a swivelling arm (16). This swivelling arm carries the spoon shaped support (18) which holds the impression of the patient's teeth and jaw. USE - Dentistry. Prodn. of impression of patients teeth and positioning it relative to hinge axis of articulator.
Patent DE-4038453-A1 (DE)
Title: Seal between shaft and housing - consists of fixed sealing ring and slide sealing ring with slide bearing
Inventor: SCHLICHTIG KARL
IPC: F16J15/40
Filed: 1990-12-03
Abstract: The seal between a shaft (6) and housing (3) consists of a fixed sealing-ring (1) with a flexible ring-part (2) joined tightly to the housing. A slide sealing-ring (4) with a cylindrical slide sealing-surface (5) encloses the shaft (6). The slide sealing surface's (5) diameter (12) is 0.1 percent to 0.3 percent larger than the shaft's diameter (11). A fixed sealing-ring (1) holds the slide sealing-ring (4) tightly to the housing. An axial guide length (30) of the slide  sealing-ring (4) is greater than the shaft's radius. The slide sealing-ring (4) forms with the shaft at least one slide bearing (18) also suitable for dry running. USE/ADVANTAGE - The seal is suitable for high slide speeds.
Patent DE-4041393-A1 (DE)
Title: Tackle for horizontal removal of vertically oriented bar - has beam with bar clamp at one end and movable along supporting trolley to maintain balance
Inventor: MUELLER KARL-JOSEF
IPC: B66C1/10
Filed: 1990-12-21
Abstract: Viewed in plan the tackle consists of a beam (1) with a clamping head (2) at one end and a two-wheeled trolley which can move along the beam on rollers. It is used in conjunction with a gantry crane to remove a bar (6) horizontally from plant where access to the vertically oriented bar is not possible. The table is lifted by cranes threaded over the end of the bar and lowered until the trolley wheels are on the ground. The clamping rod end (3) is wound forward to clamp the bar (6), when it can be withdrawn horizontally. The trolley carries a balance weight and is moved along the beam and locked in position to maintain balance. ADVANTAGE - Safe method of handling bar without damaging plant. Simple to use and easy to maintain.
Patent DE-4041786-A1 (DE)
Title: Electronically-controlled variable air intake for IC engine - has channel interconnecting outlets from resonance tubes, blocked or unblocked according to temp. and engine speed
Inventor: BURGHARDT HANS-MARTIN DIPL ING
IPC: F02B27/02
Filed: 1990-12-24
Abstract: In the engine air intake, a six-cylinder head (1) draws air through an inlet manifold (3) and two resonance tubes (4,5) whence it is distributed to the cylinders via a transverse channel (6). A blocking device (8) in the channel (6) is opened and closed by a motor (9) under electronic control (10) in response to signals from an intake thermometer (11) and an engine revolution counter (12). An alternative embodiment has three blocking devices in passages joining inlets of a four-cylinder engine. ADVANTAGE - Oscillations are set up in all operating conditions for fastest and most complete circulation of charge.
Patent DE-4105252-A1 (DE)
Title: Propulsion machine for gallery and tunnel prepn. - has drill head with drill cutting pre-drill, hole and pivotable cutting arms widening pre-drill hole to gallery profile
Inventor: HARHOFF KARL
IPC: E21D9/08
Filed: 1991-02-20
Abstract: On the drill head (5) in the peripheral direction clearance arms (16) are arranged between the cutting arms (7). The clearance arms are provided with lateral clearance surfaces (20) which with their circulating movement push the piled-up material in front of the surface breast (14) crossways to the advance direction. The clearance arms are located in links transversal to the advance direction and pivotably on the drill head (5), and are provided with a pivot cylinder drive. They are formed as telescopic arms adjustable in their length, and pref. with internal telescopic cylinders. In their free end areas they are so angled to the advance axis that their free end areas run virtually parallel to the base of the gallery. USE/ADVANTAGE - A gallery cutting machine for mining work with which the piled drilled-out material is mechanically pushed to one side.
Patent DE-4106298-A1 (DE)
Title: Sliver to yarn spinning on ring frame - has improved sliver feed by inserting real twist through rotating sliver cans
Inventor: STAHLECKER FRITZ
IPC: D01H5/00
Filed: 1991-02-28
Abstract: Sliver from cans is spun into a yarn on a spinning machine. Real twist is inserted into the sliver (7) by rotating the cans (6). Guides (16, 17) are arranged to ensure that the twist is inserted into defined lengths of sliver. The sliver is pref Nm 0.25-0.8 and the inserted twist 2-15 turns/m. A ring frame is fed with sliver (7) from cans (6) through a centering guide (16). The cans are rotated by a drive (11). The sliver (7) is taken to two rolls (17) from where it is guided through tubes (18) to the spinning position (3). The tubes (18) have an injector nozzle (19) to help stringing up with an air gun. The distance between the centering guide (16) and the rolls (17) determines the length of sliver into which the predetermined twist is inserted so that it is uniform. Various forms of centering guides, e.g. yarn brakes, are used. USE/ADVANTAGE - The invention is an improved feeding method in sliver-to-yarn spinning on a ring frame where the roving frame is omitted.
Patent DE-4108542-A1 (DE)
Inventor: HERRMANN JOHANN
IPC: B23K26/14
Filed: 1991-03-15
Abstract: The invention relates to a method for the laser cutting of a workpiece, which has a focused laser beam and a gas jet which are both guided through a cutting nozzle, the distance between the workpiece and cutting nozzle being controlled capacitively, and to a laser cutting head for carrying out the method. According to the invention, a sensor ring which is insulated with respect to the cutting nozzle is used as the sensor for capacitive distance control. The capacitance of the sensor ring in the capacitive distance control according to the invention, to which the control unit is adjusted, can be set according to the invention by varying the interspace between the sensor ring and cutting nozzle. All that is required to retrofit an existing installation with capacitive distance control in order to carry out the method according to the invention is to replace the conventional cutting nozzle by a cutting nozzle having a sensor ring according to the invention. The method according to the invention permits laser cutting with the aid of capacitive distance control in the pressure range from 1 to 25 bar, i.e. it is also suitable for high-pressure gas cutting, preferably using inert gas.
Patent DE-4111232-A1 (DE)
Title: Heating boiler using liquid or gaseous fuels - has dividing wall in second heating gas flue, to form third flue, extending to wasted gas flue
IPC: F24H1/26
Filed: 1991-04-08
Abstract: The heating boiler has three heating gas flues within a unified combustion chamber. The first gas flue (5) extends with the flame, within a hollow body (3), to an insulated or heating medium containing wall (4). The body encloses the flame at a certain distance (a radius from approx. 80mm). The second gas flue (2) extends from the wall back through the space between hollow body and the heating medium-containing jacket (1) surrounding it. It extends up to the boiler wall (6), through which the burner passes through a door into the combustion chamber (3). The intermediate space is divided by a pref. non medium-holding wall (9). The third gas flue (10) extends on the other side of the wall from the door in the boiler wall, to the waste gas flue (8), which leads to the chimney.
Patent DE-4113121-A1 (DE)
Title: Friction coupling with cover and friction disc - has compression plate between, with flywheels and two friction linings and drive unit with support plate
Inventor: FLOTOW RICHARD A
IPC: F16D13/70
Filed: 1991-04-22
Abstract: The friction coupling (10) has a cover (11), a friction disc (20) between which is a compression-plate (26). The cover (11) and friction disc (20) are connected to a flywheel (22). A first and second friction lining (25) are attached to the friction disc (20) and compression plate (26). A driven unit (40) which has a support plate (42) is positioned between the friction disc (20) and compression-plate (26). USE/ADVANTAGE - The friction coupling has a low moment of inertia, is well-cooled and has the flywheel's contact surface protected.
Patent DE-4113654-A1 (DE)
Title: Agent for producing thin oxidising layer on polymers, glass fibres and ceramic - comprises potassium permanganate pH-adjusted using methanesulphonic acid
Inventor: HUPE JUERGEN DIPL CHEM DR
IPC: C08G61/12
Filed: 1991-04-26
Abstract: An agent (I) for selectively forming a thin oxidising layer using permanganate on polymers, glass fibres and ceramic, but not on copper, comprises an aq. K-permanganate in an amt. of 10-100 g/l, which can be adjusted between 6-0 pH, pref. 5-2, using methane sulphonic acid. USE/ADVANTAGE - (I) can be used in the prodn. of printed circuits at low temps.
Patent DE-4119247-A1 (DE)
Title: Nickel@-free alloy inserts for note holes of wood-wind instruments - esp. of silver@ alloy, give better tone e.g. to oboes
Inventor: SPRINGER HANS-PETER
IPC: G10D7/00
Filed: 1991-06-11
Abstract: Metal inserts for the note holes of woodwind instruments are made at least partially from a Ni-free alloy. Pref. the alloy is a silver alloy and esp. an alloy comprising ca. 92.5% Ag, 7.35 % Cu and 0.15% Si. USE/ADVANTAGE - Use of not hole inserts of Ni-free alloy, esp. in the octave holes of an oboe, gives instruments with improved tone, larger volume of sound, and improved flexibility.
Patent DE-4120050-A1 (DE)
Inventor: HORLACHER PETER DR
IPC: D06P5/00
Filed: 1991-06-18
Abstract: The invention concerns mixtures containing a C6-22 fatty-acid ester hydrate of glycerin with a water content of between 5 and 30 % by wt. and a monoglyceride content, relative to the fatty-acid ester of glycerin, of between 50 to 95 % by wt., a stabilizer and a carbohydrate. The invention also concerns the use of such mixtures as thickening in textile-printing pastes.
Patent DE-4121849-A1 (DE)
Title: New 4-(omega-arylalkyl)phenylalkanoic acid derivs. - used as LTB4 inhibitors for treating eczema, psoriasis, acne, arthritis, asthma, allergies or inflammatory bowel disease
Inventor: LABAUDINIERE RICHARD DIPL CHEM
IPC: C07C57/38
Filed: 1991-07-02
Abstract: Phenylalkanoic acids, their salts and/or derivs. of formula (I) are new. In (I), R1 is pyridyl, quinolyl, naphthyl or R6R7-phenyl; R6 and R7 are H, halo, Me, OH, trihalomethyl (esp. CF3), NO2, NH2 (opt. substd. by alkyl, esp. 1 or 2 Me), phenyl, tert. butyl, -NR9-COR5 or -NH-SO2R8; R8 is phenyl, Me or trihalomethyl (esp. CF3); R9 is H or Me; R2 is bond, CO, CH2, or CHOH; R3 is bond, CO, S, O, SO2, HOCO or CH2; R4 is bond, OCH2 or -CR10R11-; R10 and R11 are H and/or Me; R5 is H, alkyl, (esp. Me or Et), or alkali metal (esp. Na or K); m is 0-3; n is 4-7. (I) are derived from pentanoic, hexanoic, heptanoic or octanoic acids, or their Me or Et esters. (I) may be prepd. by reacting acid chloride of formula (1) R-(CH2)m-CoCl with aryl alkyl ester of formula (ii) where R13 is R3 other than CO or SO2; R15 is alkyl). Reaction is under usual conditions for Friedel-crafts acylation and the ester prods. can be hydrolysed conventionally. USE/ADVANTAGE - (I) are inhibitors of leucotriene-A4 hydrolysis so are useful for treatment of chronic inflammation esp. rheumatic diseases (esp. arthritis), psoriasis, eczema, acne and other skin conditions; intestinal inflammatory lesions; allergy and asthma. They are administered orally, rectally or parenterally, pref. in unit doses of 10-150 mg.
Patent DE-4127009-A1 (DE)
Title: Testing photopolymer masks on glass-reinforced epoxide PCB - by applying needle of dial gauge with recording instrument to spots on surface and measuring movements when they are suitably heated
Inventor: BRKLJACIC GEB MARJANOVIC
IPC: G01R31/04
Filed: 1991-08-16
Abstract: Photopolymer solder masks applied to glass-reinforced epoxide PCBs are tested by heating at the spot to be tested and at the same time measuirng resultant deformation, e.g. at rapid intervals. The PCB with photopolymer solder mask (10) is positioned by its impressions (13) on corresponding pins (12) on a fixed table (11), and an infra-red halogen lamp (14) overhead heats the spot to be tested. This lamp can produce a temp. to match that reached in the soldering. A dial type gauge (15) is also mounted above. The gauge has a recording instrument (16), so that when the spot concerned is heated the movement of a test point (17) of the gauge (15) applied to the spot is measured accurately. Spots showing max. movement indicate points of incompletely cured material which are unsuitable for soldering. ADVANTAGE - Method reveals the areas of low hardness (which can arise in automatic soldering).
Patent DE-4130607-A1 (DE)
Title: Re-usable sectional packaging container - is of sheet metal with halves joined by hooks and eyes at folded over edges
Inventor: NORDHUS HERMANN
IPC: B65D6/26
Filed: 1991-09-14
Abstract: The re-usable packing is in two identical halves, each with a bottom or top and half the sidewalls. The halves(2,3) are of sheet-metal, joined together by hooks and eyes(7). The halves can have bent-over edges(8), in which the hooks and eyes are formed by stamping, and typically incorporating hollow chambers(10). The eyes can consist of openings, and the hooks of bosses formed without cutting. Profiled stiffening members can be provided between the sidewalls, bottom and/or top. ADVANTAGE - Simplicity, reliability, and low cost.
Patent DE-4131490-A1 (DE)
Title: Prodn. of masterbatches contg. aramid fibre and rubber - by mixing aramid fibre pulp with poly-octenamer in absence of solvent at temps. above the m.pt.
Inventor: MOHR THOMAS
IPC: C08L77/10
Filed: 1991-09-21
Abstract: The prodn. of mixts. (I) of aramid fibre pulp (II) and rubber (III), for use as aramid fibre pulp base mixts., involves wetting (II) with a polyocteneamer (III) by mixing in the absence of solvent at temps. above the m.pt. of (III). Also claimed are mixts. (I) contg. 1-400 pts. wt. (II) power 100 pts. wt. (III), pref. with addn. of fillers, vulcanisation chemcials and other rubber additives. Pref. (III) is mainly trans-polyocteneamer. The process is pref. carried out at 30-200 (esp. 30-70) deg. C. (II) pref. mixed with dry fillers before adding. (III). (I) also contain additives, etc. Pref., (III) has MW 20,000-14-,000 and trans-content 55-85%, and mixing is carried out for 2-5 mins. at 40-80 r.p.m. and 70-150 deg. C. USE/ADVANTAGE - Base mixts. (I) are useful for the prodn. of fibre-reinforced rubber and elastomer mixts., and in mechanically and thermally resistant mouldings, esp. for brake and clutch linings (claimed). The process enables the prodn. of (I) without using solvent and without the expense of the numerous stages required in prior-art solvent-based processes; the use of (III) facilitates filler uptake and improves filler distribution, and enables the prodn. of "all-round" masterbatches for almost any rubber
Patent DE-4139610-A1 (DE)
Title: Adjusting subscriber terminal signal transmission parameters - taking place after loop closure recognition and maintaining until loop end closure
Inventor: NIENTIEDT ROBERT
IPC: H04M3/40
Filed: 1991-11-30
Abstract: The adjusting method involves recognising a loop closure at a subscriber's station when transmission takes place to subscriber's stations via subscriber's connecting lines. After the loop closure recognition, a single adjustment of the signal transmission parameters takes place. The adjustment is maintained unchanged up to the end of the loop closure. The signal transmission parameters are then adjusted to a value dependent on a determined value of the loop resistance. Pref. the signal transmission parameters is a complex AC voltage replica. USE/ADVANTAGE - For telecommunication installation. Parameter adaptation to length of subscriber's lines.
Patent DE-4201269-A1 (DE)
Title: Fire-resistant polyurethane foam prodn., used as insulating material - by isocyanate polyaddition reaction with blowing agent contg. amine-carbon di:oxide adduct and neutralised beta-haloalkyl-phosphonic acid
Inventor: HETTRICH WIELAND DR
IPC: C08G18/32
Filed: 1992-01-18
Abstract: Fire-resistant polyurethane (PU) foam (I) is produced by reaction of (A) polyisocyanate with (B) a poly-hydroxy and/or poly-amino cpd. contg. OH and/or amino gp.-contg. component(s) (B1) with mol. wt. 60-2000 and functionality 2-8 and opt. OH and/or amino gp.-contg. component(s) (B2) with mol. wt. 2000-10,000 and functionality 2-6, in the presence of known additives etc. The blowing agent (B3) is a homogenous mixt. of 0.05-30 pts. wt. (to 100 pts. wt. B1 + B2) of an opt. water-contg. adduct of CO2 and an amine contg. prim. or sec. amino gp(s). and opt. prim. OH gps. (II) and a neutralised mixt. of 0.05-30 pts. wt. of a phosphonic acid adduct (III) which liberates an olefin under the poly-addn. conditions. Pref. (B3) is produced as a mixt. by passing CO2 into a mixt. of beta-halo-phosphonic acid, (B1) and opt. (B2), with addn. of amine, alkali carbonate or alkali hydrogen carbonate. (III) is obtd. by neutralising a beta-halo-alkylphosphonic acid, pref. 2-chloroethyl-phosphonic acid, with prim. or sec. amine and alkali (hydrogen) carbonate. The foam obtd. possibly contains isocyanurate gps. USE/ADVANTAGE - Used esp. as insulating material in refrigerators and in building. The invention provides a non-CFC blowing agent for fibre-resistant PU foam, without the disadvantages of water as sole blowing agent (shrinkage, scorching, inadequate heat insulation)
Patent DE-4201668-A1 (DE)
Title: Brake fluid pressure control unit for vehicle - makes use of stepped piston to control pressure from master cylinder
Inventor: MAEHARA TOSHIFUMI
IPC: B60T11/10
Filed: 1992-01-22
Abstract: The brake fluid pressure control unit has a valve (19) in a main pipe (10) connecting a master cylinder with the wheel cylinders and a check valve (14). A brake fluid receptor in the form of a stepped piston (25) receives and breaks down the pressure produced by the master cylinder if the master cylinder is subject to renewed pressure after the main control valve (17) has closed in response to sensor signals. USE/ADVANTAGE - Braking system which gives the vehicle driver an improved pedal actuation feel in the initial phase of a repeated application of the brake.
Patent DE-4203539-A1 (DE)
Inventor: WANNER FRANZ
IPC: A47C27/00
Filed: 1992-02-07
Abstract: In a mattress (1), in particular of compacted and thermally hardened fibres, with a fibre layer exhibiting a profile extending transversely to the longitudinal direction, a smooth surface is achieved even in the case of a folded mattress in that the profile is constructed as a hollow space (7 or 8), and in that the fibre layer (9) exhibiting the hollow space (7 or 8) is covered in the manner of a sandwich by two covering layers (2 and 12) resting against the two main surfaces. <IMAGE>
Patent DE-4208754-A1 (DE)
Inventor: SCHWING FRIEDRICH DIPL ING
IPC: F04B11/00
Filed: 1992-03-19
Abstract: The invention relates to a pump for viscous materials having cylinders, especially to a two-cylinder concrete pump having a viscous-material flow control between a feed hopper, the two cylinders and a delivery line, a linkage circuit which controls the drives of the cylinders and the viscous-material flow control, a control valve and an equalising cylinder which during switch-over of the control valve precludes breaks in the flow of the viscous material. According to the invention it is provided that the linkage circuit causes the drive of the cylinder which is delivering at any given time to increase delivery by the measure of the amount of viscous material received by the equalising cylinder, and delays switch-over of the control valve in such a way that one of the valve plates, which are assigned to each cylinder at both ends of the inlet orifice of the control valve and whose size is matched to an area between the cylinder ports in such a way that in the switching centre position of the control valve the cylinder port is sealed by the valve plates and the inlet orifice in the control valve is sealed on the face between the cylinders, in order to carry out a part stroke of the cylinder piston, which part stroke compresses the viscous material drawn in, closes the port of the delivering cylinder. 
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Patent DE-4209704-A1 (DE)
Inventor: NOLTE FRANK DIPL ING
IPC: B65G21/02
Filed: 1992-03-25
Abstract: 2.1 A housing for containing gearing means of a conveyor is to be so designed that it can be produced in a simple manner with different longitudinal and vertical dimensions. 2.2 In order to form the narrow sides of the housing, extending in the longitudinal direction, profiled rails (2, 3) are used which have a groove (8) with undercut surfaces at least on the side facing the interior of the housing. Hook-shaped webs (11) are introduced into the grooves (8) and engage behind the undercut surfaces. These hook-shaped webs are parts of wall profiles (4, 5). The hook-shaped webs are pressed onto opening edges of the groove (8) by spreading means (14). The end apertures of the housing are closed by plates. 2.3 The housing is used in particular as part of a conveyor by means of which workpieces are transported from one processing station to another. <IMAGE>
Patent DE-4215656-A1 (DE)
Title: Telephone handset with two=part casing - has electro-acoustic transducer attached directly to earpiece with deformable damping domes in-between
Inventor: ANDERT THOMAS JAN DR ING
IPC: H04M1/03
Filed: 1992-05-13
Abstract: The handset (1) is made of moulded half shells (2, 3) of plastics material to hold electro-acoustic transducers (5). One of the latter reaches directly to the region of one of the shells (3) having sound outlet apertures (4). By appropriately forming one of the parts, i.e. half shell (2, 3) or  transducer  (5), undesirable grating of the parts together is prevented. In the region where the transducer (5) is attached to one of the shells (2, 3), deformable domes (11, 15, 20), acting as damping elements, are formed on the mutual surface of one of the attached parts (5, 2, 3). ADVANTAGE - Inexpensive device preventing transducer and casing knocking together at certain frequencies.
Patent DE-4219693-A1 (DE)
Title: Mfr. of conical plate spring - by forming inner tongue profile with region prepressed during mfr.
Inventor: SCHAAF HANS-JUERGEN DR
IPC: F16F1/32
Filed: 1992-06-16
Abstract: The disc (1) deforms elastically. It may be used as a plate spring which alters its conicity, and has an external base with a spring configuration. An inner region is separated into 'tongue' sections, with recesses cut out at the top of the tongue. During manufacture an area of the tongue sections is prepressed to enable precise final pressing. The prepress region lies on the underside of the conical section. USE/ADVANTAGE - Simple, economic and cost-effective manufacture.