baber/WOPTO huggingface dataset:
Patent DE-4037287-A1 (DE)
Title: Air outlet in ventilating duct system - has perforated cover with integral perforated filters
Inventor: MUELLER GOTTFRIED
IPC: F24F13/068
Filed: 1990-11-23
Abstract: The outlet is for intake air in an air duct system. It has a perforated cover (1) with filters (6) spaced out from each other. The filters (6) are also perforated sheets with a central opening (12) of a given dia. The inlet air (10) passes vertically downward into the stack of filters and spreads out radially. The filter stack may be modified to fit against a wall or in a corner, in which case the air spreads out over only part of the circumference of a circle. The centre holes of the filter discs are largest at the top of the stack and smallest at the bottom. USE/ADVANTAGE - Reduces the volume of noise caused by the movement of air.
Patent DE-4042035-A1 (DE)
Title: Valve spindle seal - consists of stuffing box with elastic sealing ring in groove on holder ring
Inventor: WALTER HORST
IPC: F16K41/04
Filed: 1990-12-28
Abstract: The seal for the spindle (1) of a fitment, such as a valve, consists of a stuffing box (2) and a ductile, elastic sealing-ring (10). The sealing ring is pressed round the spindle by an adjustment (11) in a groove (8) on the inner periphery of a holder-ring (5) surrounding the spindle. The adjustment consists of an adjusting ring (12) placed in a thread (13) on the inner periphery of the holder-ring against the hollow sealing-ring. USE/ADVANTAGE - The seal is for any size of fitment-spindle.
Patent DE-4042283-A1 (DE)
Title: Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s)
Inventor: WOLF BERND DR
IPC: C07C235/34
Filed: 1990-12-31
Abstract: Prepn. of E-oxime-ethers of phenylglyoxylic acid esters of formula (I) comprises (a) reacting a phenol Xm-Ph-PH in a base in the presence of a solvent to give a phenolate; (b) mixing with a lactone of formula (III); (c) distilling off solvent and reacting the mixt. at 50-250 deg.C in the melt; (d) washing with water and acid to give a 2-phenoxymethylbenzoic acid of formula (IV); Q = OH); (e) treating with phosgene or SOCl2 to give the 2-phenoxymethylbenzoyl chloride (IV; Q = Cl); (f) reacting with alkali(ne earth)metal cyanide opt. in the presence of prussic acid; (g) treating the 2-phenoxymethylbenzoyl cyanide (IV; Q = CN) with MeOH in the presence of acid to give (VIIb); (h) opt. splitting under acidic conditions to give (IV; Q = C(O)NHR) or (i) treating (IV; Q=R) with dimethyl sulphoxide in the presence of a base to give a beta ketosulphoxide (IV; Q = CH2SOCH3) and treating with a halogenating agent, and MeOH in acid to give (IV; Q = C(O)OMe); (k) reacting (IV; Q = C(O)OMe) and/or (VIIb) with O-methylhydroxylamine or its acid addn. salt to give (I). Q = R1CH2SOMe, OH, Cl, CN or C(O)NNR; X, Y = halo, 1-4C alkyl, 1-4C alkoxy or CF3; m = 0-4; n = 0-3; R = 1-4C alkyl.
Patent DE-4102790-A1 (DE)
Title: False-twist texturising machine - has airjet yarn feed tubes at the winder
Inventor: JANTZEN LOTHAR
IPC: D02G1/02
Filed: 1991-01-31
Abstract: On a false-twist texturising machine which has a creel to traverse and cross-wind the reels at the output, a pneumatic jet feed is provided in front, behind or in the angle of the yarn in the direction of the winder. The synthetic multifilament yarn (4) is fed from the reels (3) through the heater (6) cooler (7) false-twister (8) yarn presence detector (10) oil bath (14) guides (13) to the winders (11, 12). Directly in front are the pneumatic jet feed devices (15) which have yarn channel (16) and air channel (17) at an angle of 20 degree. ADVANTAGE - In winding synthetic multifilament on to a soft package for dyeing purposes, the tension is removed, and avoiding the possibility of snarling.
Patent DE-4111281-A1 (DE)
Title: Modular partition construction kit - has columns incorporating square-section upright vessels of thin plate
IPC: E04H1/12
Filed: 1991-04-08
Abstract: The construction kit is for the modular assembly of partition walls etc., having upright columns securing flat or oblong components. Each column (10) incorporates an upright vessel (11) of thin plate material and of square section in plan view. A first connector (15) is fixed to one of the vessel walls, and the oblong and/or flag component (17) is secured to the connector, either directly or via a second one (16). The height (H) of the vessel can be a multiple of, and typically double, its sidewall (12) length, or alternatively equal to it. ADVANTAGE - Widely usable for other purposes, e.g. a show stand.
Patent DE-4114635-A1 (DE)
Inventor: LAURENT HENRY DR
IPC: C07J53/00
Filed: 1991-04-30
Abstract: 14 alpha ,16 alpha -ethano- and 14 alpha ,16 alpha -etheno-oestratrienes of the general formula I <IMAGE>  in which     A-B is a C-C single or C-C double bond, R1 is a hydrogen atom, a methyl or acyl group with 1 - 12 carbon atoms and   X is oxygen or <IMAGE>  or <IMAGE> , where R2 is a hydrogen atom or an acyl group with 1 - 12 carbon atoms, and a process for the preparation thereof are described. The compounds are very strong oestrogens and are suitable for the preparation of pharmaceutical compositions.
Patent DE-4114977-A1 (DE)
Title: Pressure restriction valve with piston movable by pressure and resetting spring - includes safety valve mechanism with matching active surfaces
Inventor: SIEBOLD MANFRED
IPC: B60T11/32
Filed: 1991-05-08
Abstract: The safety valve (22) is pref. formed at the base (23) of the beaker-like piston (15) whose lower part is divided into the base and guide collar (16). The guide collar supports a retaining ring (47), whilst the base supports a flange (24) which forms the closing body for the safety valve (22). The retaining ring (47) secures an O-ring (48) which forms the valve seat (25) for the safety valve. USE/ADVANTAGE - The opening pressure for the safety valve can be set just above the restricting pressure of the pressure restricting valve.
Patent DE-4116334-A1 (DE)
Title: Silicate binding material which softens at 700-1400 deg. C -  used to fix toxic material prior to dumping waste or form agglomerated particles in fluidised bed
Inventor: KLOSE DIETHELM
IPC: C10L9/10
Filed: 1991-05-18
Abstract: 2-100 parts of silicate material are added to 100 parts of ash or smelt/cracked residue either directly before entering the reaction vessel or separately to the vessel to produce a silicating of the components of the residue at a temp. of 700-1400 deg. C, where the silicate material softens or melts. USE/ADVANTAGE - Fixing heavy metals and other toxic materials in a silicate base prior to dumping in a land fill. Producing and maintaining a coarse ash fluidised bed in the main firing chamber of a heating furnace. Also for producing and maintaining a fluidised bed which supports a smelting, firing or cracking process in a sulphide smelting/sulphite or sulphate cracking furnace. Dumped waste material can not be eluted by water thereby causing pollution. Successfully converts fine ash into larger particles which leads to better support beds for the firing process in the main firing chamber and protection for the vessel wall against overheating.
Patent DE-4122172-A1 (DE)
Title: Regenerating cleaning soln. used for cleaning industrial parts - using gravity separator to remove oil, grease and dirt in continuous three=stage sepn.
Inventor: ALBRECHT WOLF
IPC: C10M175/04
Filed: 1991-07-04
Abstract: Treatment of aq. oil-and grease contg. cleaning solns. from cleaning industrial parts, by oil and grease sepn. in a gravity, oil separator with overlying dirt, water and oil phases, involves continuous three-stage sepn. in the oil separator in which (a) most or all of the cleaning soln. is subjected in the first stage, to almost stationary sink and float sepn. under quiescent conditions with recycling of most of the water phase; (b) the uppermost oil phase layer from the first stage overflows the second stage, while the remaining oil- and grease-enriched liq. overflows from the first stage into the second stage, opt. together with part of the untreated cleaning soln. and passes downwardly; (c) the second stage includes heating and air or gas introduction and its upper oil-and grease-enriched layer passes as an overflow into the overflowing oil layer; while the remaining liq. is transferred separately from the oil phase overflow, from the second stage to the third stage; (d) the liq. is cooled in the third stage, the upper oil- and grease-enriched layer overflows into a collection tank and the remaining liq. is recycled as cleaning liq; (e) the dirt sludge, sepd. in the three stages is fed to a collection tank. Equipment for carrying out the process is also admixed. ADVANTAGE - The process produces no waste water, has reduced energy costs, is simple and provides improved sepn.
Patent DE-4124053-A1 (DE)
Inventor: EDINGER EGON DIPL ING
IPC: C09J7/10
Filed: 1991-07-19
Abstract: Electronic components like semiconductor chips or the like, in particular, are secured to the metallic substrate in practice by adhesion. According to the invention, the adhesive joint is produced by the use of a heat-acitvated adhesive film (2) between the items to be joined. The process is preferably applied in the assembly of ink-jet printing heads, in which the items to be joined are an aluminium plate (1) as the metallic substrate and the components consisting of a printed circuit board (3) and a jet module (4). The production process can thus be easily automated.
Patent DE-4126452-A1 (DE)
Title: Disposing of recyclable articles containing harmful dust - involves immersion of each article in bath of liquid to remove dust
IPC: B09B5/00
Filed: 1991-08-09
Abstract: Old articles which have re-cyclable constituents but also contain harmful dust, are disposed of in the following way. The articles are first immersed in a bath (6) containing a liquid. The articles are removed from the bath and the liquid is allowed to drain off the articles. The articles are then broken up for recycling. The liquid, which contains the harmful dust, is enclosed in waterproof containers so that it can be disposed of on any refuse dump without risk of causing any harm to the environment. USE/ADVANTAGE - Disposing of material containing harmful dust without risk of harm of the environment.
Patent DE-4127020-A1 (DE)
Title: Safety switch for munition shell - holds switch spring-biased contacts apart until shell is fired
Inventor: GROSSWENDT WERNER DIPL ING
IPC: F42C19/06
Filed: 1991-08-16
Abstract: The safety switch allows the electrical energy to be supplied to the shell components only after the shell is fired, using a pair of contacts (24,25) spring biased into contact with one another. An insulating element (12) is axially biased in the shell firing direction for holding the two contacts (24,25) apart until the shell is fired. A ball (21) acted on by a bolt (5) subjected to a second spring bias, blocks the movement of the insulating element (12), until the bolt (5) is displaced by the acceleration forces upon the shell being fired. USE - For ensuring safety of shell during transport and handling.
Patent DE-4127550-A1 (DE)
Title: Implantable surgical connecting plate - is used for attaching strap to bone and has two parallel slots to hold strap to plate
Inventor: WITZEL ULRICH DR ING
IPC: A61F2/08
Filed: 1991-08-20
Abstract: The implantable connecting plate (1) for attaching an elastic strap to a bone has a countersunk hole (5, 6) at one end to receive the screw by which it is fastened to the bone. Between the hole and the other end of the plate there are two narrow transverse parallel slots (2, 3). The free end (12) of the elastic strap is first fed through the slot (2) which is nearer the hole (5, 6). The strap is then folded and the free end fed through the second slot (3) and then folded flat against the connecting plate underneath the main part of the strap to form a secure attachment with the plate. USE/ADVANTAGE - Connecting plate for attaching a strap to a bone by a simple but secure method.
Patent DE-4129072-A1 (DE)
Inventor: THEIMER SIEGFRIED R
IPC: G03B27/18
Filed: 1991-09-02
Abstract: A device for continuously lighting copy partners has a press device (15) that presses the continuous copy partners against the glass pane (11). The press device (15) is composed of a plurality of press shoes (25) transversely arranged next to each other and having press soles (27) that press the copy partners against the glass pane. Each press shoe is centrally and upwardly actuated by springs and can not only move vertically but also tilt around a longitudinal axis and a transverse axis.
Patent DE-4129192-A1 (DE)
Title: IR radiation system for therapeutic use - has concave mirror and cuvette arranged in IR beam course in working direction selectively filtering radiation spectrum for heat reaction on human body
IPC: A61N5/06
Filed: 1991-09-03
Abstract: The reflected part of the radiation (R) at least is reflected across a selective semi-permeable mirror (2), on the cuvette (3), for the filtered radiation in to the cuvette. The concave mirror (2) of the radiation source has a layer (2.1) which is selectively semi-permeable. The entire radiation emanating from the radiation source (1) is deflected by a selectively semi-permeable plane mirror (fig. 4, 6). The radiation source (1) is arranged in the centre of its cup shaped concave mirror (2, 2A, Fig. 5, 7). ADVANTAGE -  Reduced wt. and dimensions and/or facilitates use of stronger light sources without overloading cuvette.
Patent DE-4130255-A1 (DE)
Title: Permanent magnetic generator with magnetic shunt - comprises horseshoe-shaped permanent magnet with each pole carrying coil with iron@ core
Inventor: PFAUTSCH EMIL
IPC: H02K53/00
Filed: 1991-09-12
Abstract: The generator comprises four similarly constructed parts (A-D). The first (A) consists of a permanent magnet (1) with pole shoes (2). Each pole shoe end is provided with a coil with an iron core (3). Along the axial direction of the cylinder, two hollow cylinders (4), of different diameters are placed in parallel with the magnet pole shoes. The cylinders rotate transversally to the magnet. In this way, the iron segment piece (5) closes the magent for a short time and then frees it again. The iron segment pieces are displaced through 180 deg. on the cylinder. In the third and fourth (C,D) parts the iron segments (5) are positioned at 270 deg. to the first part (A). If the iron segment (5) in the first part (A) approaches the magnet, the lines of flux from the permanent magnet (1) propagate from the North pole through the pole shoe, through the iron segment piece, and through the pole shoe to the South pole of the permanent magnet. USE/ADVANTAGE - To produce electrical energy without having to feed in power.
Patent DE-4132842-A1 (DE)
Title: Glow plug with sensor element enabling physical parameter measurement - has off-centre heating rod pressed into bore in plug body parallel to sensor element bore
Inventor: PETERS ODD
IPC: F23Q7/00
Filed: 1991-10-02
Abstract: The glow plug with a sensor element (6) has an off-centre heating rod (1) pressed into a bore in the plug body. A bore (15) for a sensor parallel to the heating rod bore passes through the entire body (3) in stages of different diameter. The sensor body (6) is mounted in the connection end of the plug housing in a bore with an expanded section. Alternatively, the sensor can be mounted in the plug housing next to the sealing ring. USE/ADVANTAGE - For diesel engine. Enables measurement of pressure during start phase, afterglow phase and during continuous glow operation of glow plug.
Patent DE-4133097-A1 (DE)
Title: Filter bed mat - has layers of textile material and sand held in position by needle punching
Inventor: ZIMMERMANN JUERGEN
IPC: E02D31/00
Filed: 1991-10-05
Abstract: A filter mat which allows fluid to percolate and provides a closed seal in a filter bed is constructed of textile material in the form of a cushion in layers. This is filled with granular material wrapped in the textile material which retains it. The textile material with the filling, partic. at the edges, are held together by a needling process. ADVANTAGE - Filter beds usually have a deep layer of sand at the base, and some above the filter material. When it is retained as a sheet, the layer of sand is kept level, even, and does not require special equipment to install. It is not disturbed on installation, and sand is not lost around the rim, where a much improved seal is formed. There is a redn. in the amt. of sand.
Patent DE-4136446-A1 (DE)
Title: De-watering sludge esp. sewage - by forming drainage system within sludge body by producing thermally dried channels, layers and/or lattices
Inventor: GILDEMEISTER HANS-H DR ING
IPC: C02F11/131
Filed: 1991-11-06
Abstract: Sludge is mechanically pre-dried, a drainage system is provided for further dewatering by thermally drying a part of the sludge, and mechanical dewatering is then continued. The drainage system is formed within the sludge body itself by producing thermally dried channels, layers and/or lattices. USE/ADVANTAGE - Used esp. in dewatering sewage sludge. Pelletising of the sludge in order to apply a coating of dried material, and the resulting increase in sludge volume, are avoided, and further de-watering is achieved in a simplified manner.
Patent DE-4138584-A1 (DE)
Title: New carbocyclic phosphonate-nucleotide analogues - are effective antiviral agents against retroviral infections, e.g. HIV
Inventor: JAEHNE GERHARD DR
IPC: C07F9/6512
Filed: 1991-11-23
Abstract: 1-(4-Phosphonylmethoxycyclopentyl)- thymine esters of formula (I) and their salts are new; where R1 and R2 are H or 1-6C alkyl, but not both H. Cpds. (I) and 1-(4-phosphonylmethoxycyclopentyl)- thymine (II) and their salts are also claimed as medicaments. USE - (I) and (II), which is described in J. Chem. Soc. Chem. Commun., 312 (1991), are antiviral agents esp. useful for treating retroviral (esp. HIV) infections. In an example, a soln. of 4.63g 1-((IRS,4SR)- 4-diisopropylphosphonylmethoxy-2-cyclopentenyl)- thymine in 100 ml i-PrOH was treated with 500 mg Pd/C (10%), hydrogenated at room temp., and worked up to give 4.64g (99.7%) of 1-((IRS,4SR)-4-diisopropylphosphonylmethoxy- cyclopentyl)- thymine, m.pt. 82 deg.C.
Patent DE-4138999-A1 (DE)
Title: Semiconductor component mfg. - depositing carbon layer on light reflecting layer and forming photosensitive resin layer on carbon layer
Inventor: YANO HIROYUKI
IPC: H01L21/768
Filed: 1991-11-27
Abstract: The semiconductor component is mfd. by forming a carbon layer (6) on a light reflecting layer (5). On the carbon layer is deposited a photosensitive resin layer, which is selectively irradiated by light. After development, a photosensitive resin pattern is formed. A carbon pattern is formed by etching of the carbon layer, using the photosensitive pattern as a mask. A light-reflected pattern is formed by etching of the light reflecting layer, using the photosensitive or carbon pattern as a mask. The thickness of the carbon layer is so adjusted that the entire reflective effect of light from both layers is lower than the natural reflective effect of the carbon layer. USE/ADVANTAGE - For semiconductor component mfr. Precise and reliable formation of metal or insulating film pattern.
Patent DE-4201456-A1 (DE)
Title: Vertical shaft reactor with fixed catalyst bed - divided by vertical intermediate walls into channels whose cross=section dimensions are ten to thirty times those of the catalyst particles
Inventor: GOEBEL GERD DR
IPC: C11C3/12
Filed: 1992-01-21
Abstract: Reactor has a fixed catalyst bed whose ratio of dia. to length (in the direction of fluid flow) is between 1:20 and 1:5. Intermediate walls extending vertically throughout the entire length of the fixed bed divide the catalyst into parallel longitudinal channels with approximately equal cross-sections. Also claimed is a hydrogenation process using this reactor. USE/ADVANTAGE - For heterogenous catalystic gas-liquid reactions. An equal distribution of the liq. flow throughout the entire length of the reactor bed is ensured, without increasing the difficulty of filling and emptying the reactor.
Patent DE-4205006-A1 (DE)
Inventor: EGERER JOSEF
IPC: D01G19/10
Filed: 1992-02-19
Abstract: In a clothing for textile combing machines, such as combing machines for wool, cotton or similar synthetic or natural fibres, comprising saw-toothed stamped parts with at least two rows of teeth extending transversely relative to the combing direction, in order to achieve a tip offset at a low outlay in terms of production, along with simple clothing, the planes of respective teeth (5) succeeding one another within a stamped part (1) are arranged offset relative to one another. <IMAGE>
Patent DE-4206125-A1 (DE)
Inventor: BOCKAU GERHARD DIPL ING
IPC: F16K17/168
Filed: 1992-02-27
Abstract: In order to make it impossible to erroneously mount the lifting device of a manually lifted safety valve, hindering the free mobility of the valve rod, an actuating dish (48) of the lifting device is movable only with a reduced clearance in the chamber of a housing (18, 22). This clearance is smaller than the cross-section of an actuating lever (54) that belongs as well to the lifting device and that engages the actuating dish (48) linked to the valve rod (28).
Patent DE-4207540-A1 (DE)
Inventor: MANCARELLA DONATELLO DR
IPC: A61H15/00
Filed: 1992-03-10
Abstract: In order to promote relaxation of the pelvic muscles, a relaxation device for preparing for childbirth has two balloon-shaped or annular bodies (1, 2) which are of essentially identical design and are arranged and connected to one another in such a way that they are separated from one another in their upper region by a downwardly narrowing gap (5) when they rest on a ground surface, and that at the top they form a seating surface for a woman sitting down on both bodies (1, 2). <IMAGE>
Patent DE-4211505-A1 (DE)
Title: Furniture door with glass plate - has glass plate held in frame made of profile fillets which have groove to accommodate tongue
IPC: E06B5/00
Filed: 1992-04-06
Abstract: The profile fillets (1) of the frame construction for accommodating the glass plate (2) have a groove to receive a tongue (3). Evolving from the groove is a bevelling directed towards the front side of the profile fillets (1). The glass plate, on its edges corresp. to the profile fillets, has a bevelling which corresponds to that of the profile fillets. In its position in the profile fillets of the frame, the glass plate locates on the bevelling of the profile fillet (1) and on the tongue (3) inserted in the groove. ADVANTAGE - The glass plate fits firmly and tightly in its frame.
Patent DE-4214367-A1 (DE)
Title: Recording and playback appts. for digitised video still frame data and audio data - records video and audio data in segments of tape that are related using recorded index data
Inventor: TOCHIHARA KATSUHIRO
IPC: G11B20/10
Filed: 1992-04-30
Abstract: A digital audio tape recorder system has two channels with a pair of audio inputs (TR, TL) and a video input (TV) for still frame signals. The video input is digitised (6) and converted into serial form (9) for transmission through a selector (5) to be recorded onto the tape (12) in segments. The audio signals are digitised (1,2) and also passed through the selector to be recorded in segments that relate to those of the video signals. Sub-information is provided as an index to the recorded data. Playback is effected via a similar processing chain, with a selector (15) and A/D converters (16-19). ADVANTAGE - Allows video still frame data and audio digital data to be recorded in DAT system.