baber/WOPTO huggingface dataset:
Patent DE-4117212-A1 (DE)
Title: Piston ring for IC engine - is keystone-shaped, with ring flank angles of different sizes
Inventor: SCHELLING HERBERT
IPC: F16J9/20
Filed: 1991-05-27
Abstract: The piston ring is for an IC engine, and has the shape of a keystone ring. The angles (alpha,beta) of the ring flanks are of different size, and the difference amounts to 1-6 deg.. To produce a positive twist, the upper angle of the ring flank(2) is considerably larger than that of the other ring flank(3), e.g. by 3 deg.. USE/ADVANTAGE - Simple piston ring for IC engine guarantees twist when assembled.
Patent DE-4120389-A1 (DE)
Title: Method for fixing split rings in internal groove of machine - uses funnel sleeve inside which ring is forced downwards to groove
Inventor: WITTERMANN THOMAS DIPL ING
IPC: B25B27/00
Filed: 1991-06-19
Abstract: The method is for fixing split rings (10) in a groove (12) in the lining (13) of a machine part (14). A long sleeve (11) is used, whose lower end fits inside the liner (13) and extends down as far as the groove (12). The opposite end of the sleeve is larger in dia. The two cylindrical ends are joined together by a tapered section. The opened-out split ring (10) is fitted inside the top end of the sleeve. A pusher is used to force the ring downwards inside the sleeve until it reaches the groove into which it springs. USE/ADVANTAGE - The rings can be fitted by unskilled labour, and this would otherwise be a skilled and delicate operation.
Patent DE-4122570-A1 (DE)
Title: Meat portion dimensioning device - involves removing excess meat squeezed out of mould and comprises square mould open at top and side, RAM which descends into mould and cutter
Inventor: VOSSKOETTER BERNHARD
IPC: A22C7/00
Filed: 1991-07-08
Abstract: A device for cutting meat pieces to size comprises a square mould which is open at the top and at one side, a ram which can descend into the mould, and a cutter which skims over the open side of the mould. Several moulds may be arranged in a row on a conveyor belt, with the open sides of the moulds being located at the same side. Pref. the descent stroke of the ram is limited, so that a space of predetermined volume is formed between the mould bottom and the ram in its lowermost position. The cutter may be a circular knife. ADVANTAGE - The device is simple and automatically cuts meat pieces to the requisite weight e.g. for packaging.
Patent DE-4123057-A1 (DE)
Title: Cooling device for internal combustion device
Inventor: DETTLING HORST
IPC: F02B75/22
Filed: 1991-07-12
Abstract: The cooling chamber is matched to the concave chamber and is formed as a convex displacement body, which reduces the volume of the coolant in the concave chamber and tightly closes this chamber.The cooling chamber is closed by a removable cover. The component parts to be cooled are connected in heat contact with the inner wall of the cooling chamber. The max. permissible temp. for the parts to be cooled is higher than the max. achievable temp. of the fluid.
Patent DE-4127743-A1 (DE)
Title: Aluminium@ foil for electrolytic capacitors - is vacuum-coated on both sides with aluminium@/alumina insulating film
Inventor: NEUMANN MANFRED DR
IPC: C23C14/08
Filed: 1991-08-22
Abstract: Al foil for electrolytic capacitors has an increased surface capacitance. Pore-free layers contg. Al and Al oxide are deposited on both sides of a flat Al foil. The Al is present as columnar crystals, which are surrounded by the Al2O3 and electrically insulated from each other. Mfg. the capacitors comprises vacuum-coating on both sides with an Al film at an oxygen partial pressure of 0.0001 - 0.002 mbar and a coating rate of 200-5000 nm/sec. Angle of impact of the Al particles at the start of the coating process is greater than 30 deg. The Al/alumina film contains valve metals e.g. Ti, Ta, or Zr or their cpds. and/or stabilising elements such as P, Cr or their cpds. These components are added to the Al to be evaporated, co-evaporated from independent sources, or incorporated after vacuum-coating by treatment with an aq. stabilising soln. USE/ADVANTAGE - Al foil obtd. is for electrolytic capacitors, has increased surface capacitance and stability. No need to use corrosive or toxic etch solns. or electrolysis baths. Conventional Al vacuum-coating equipment is used
Patent DE-4128504-A1 (DE)
Title: Glass support tray esp. for refrigerator or freezer - is recessed for collection of water during defrosting without risk of spillage over underlying trays
Inventor: RANNENBERG GEORG ING GRAD
IPC: F25D25/02
Filed: 1991-08-28
Abstract: The tray (1), pushed into horizontal guides on the walls of an inner container in the cabinet, has its sides set back between front and rear edges (2, 3) so that it can be tilted when the front edge (2) is withdrawn from the guides. A shallow recess (6) of uniform depth in the centre is surrounded by a rim (7) about 2 to 4 mm high on all sides. ADVANTAGE - Fitness for use is enhanced by rim of recessed section preventing overflow of water onto walls or other trays of inner container.
Patent DE-4128869-A1 (DE)
Title: Vulcanised rubber with improved resistance to ageing and reversion - by vulcanising diene rubber in presence of special di:benzyl-thiocarbamoyl crosslinkers, with very small amts. of sulphur and accelerator
Inventor: WOLPERS JUERGEN DR
IPC: C08K5/39
Filed: 1991-08-30
Abstract: Vulcanised diene rubber prods. (I) are produced by vulcanisation at 140-200 deg.C in the presence of 3-4.5 pts. crosslinker of formula Bz2B-CS-S-S-(CH2)n-S-S-CS-NBz2 (II) with a very small amt. of sulphur and a small amt. of a mercapto or sulphenamide accelerator (III), Bz = benzyl, n = 2 or 6. Pref. amts. are 0.05-0.3 (0.1-0.2) pts. sulphur and 0.3-0.8 (0.4-0.6) pts. (III) per 100 pts. diene rubber, pref. natural rubber, cis-polyisoprene, cis-polybutadiene, emulsion or soln. SBR, vinyl-polybutadiene, vinyl-SBR, 3,4-polyisoprene, nitrile rubber and/or polyoctenamer. USE/ADVANTAGE - The process enables the prodn. of (I) with reduced amts. of crosslinker, with rates of vulcanisation similar to those in conventional S/accelerator systems to give well-crosslinked prods. (I) (w.r.t. strength, compression set etc.) with excellent resistance to reversion and oxidn. at elevated temp
Patent DE-4131461-A1 (DE)
Title: Machine for opening bottles with stoppers secured by clips - has radially moving fork to accommodate neck of bottle and is mounted on rotated table
Inventor: ZODROW RUDOLF
IPC: B67B7/02
Filed: 1991-09-21
Abstract: Bottles (7) which have their stoppers secured by stirrup shaped clips are opened by a machine with a rotating table. The table is provided with to grip the bottle and hold it upright. The neck of the bottle fits between the prongs of a horizontally mounted fork. As the supporting table rotates, the fork is pushed radially outward and presses against the lower end (8c) of the stopper clip. This pressure of the clip releases the clamping force which it exerts on the stopper. Further radial movement of the fork causes a roller (20a) to be pressed against the stopper and press it out of the bottle. USE/ADVANTAGE - Machine for opening bottles with stoppers secured by clips. The machine is of simple construction.
Patent DE-4131878-A1 (DE)
Inventor: SCHAMBIL FRED DR
IPC: B01J13/02
Filed: 1991-09-25
Abstract: The invention concerns a method of preparing liposomes by dispersing in water amphiphilic substances selected from the group comprising special diesters and triesters of citric acid and special diesters of succinic acid and exposing the disperison thus formed to ultrasonic radiation.
Patent DE-4134694-A1 (DE)
Title: Binder for thermoplastic moulding compsn. contg. sintered metal or ceramic prods.
Inventor: HUGGINS JOHN DIPL CHEM DR
IPC: C08K3/22
Filed: 1991-10-21
Abstract: Binders (I) for thermoplastic moulding materials (II) are claimed, contg. thermoplastic silicone resin(s) of formula (III) with softening pt. (T) = 30-200 deg.C; RaSi(OH)b(OR')cO(4-a-b-c)/2 (III) R = H, 1-18C alkyl, allyl, vinyl or Ph; R' = independently 1-18C alkyl; a + b + c = 1.05.1-7; b + c = not above 0.3; mean mol.wt. of organic residues (including alkoxy gps.) = not above 50/(a + c).     Also claimed are thermoplastic materials (II) contg. a sinterable powder (IV) and binder(s) (I); and a process for the prodn. of (II), by mixing (IV) with (I), sintering aids and other additives at temps. above T.     Pref. (II) contain a mixt. of silicone resin with T = 30-200 deg.C and another silicone resin with T = at least 60 deg.C, and pref. also another thermoplastic binder based on organic substances or siloxane copolymers.
Patent DE-4137704-A1 (DE)
Title: Air aspiration device for IC engine with length-alterable suction lines - comprises sections fixed to engine and upstream of their mouths pivotably arranged pipe curves
Inventor: STOFFREGEN JUERGEN
IPC: F02B27/02
Filed: 1991-11-15
Abstract: The pipe curves (6,6') are connected to a drive device. Of the curves of two adjacent suction line sections (5, 5') fixed to the engine, a first pipe curve (6) is driven by a drive shaft (9) and a second pipe curve (6) is driven by the first pipe curve. Both pipe curves (6, 6') are equipped with toothing (10, 10') for drive coupling. The pipe curves and the toothing are of one-piece construction comprising plastic injection moulding parts. The pipe curves (6, 6') between suction line sections (5, 5') fixed to the engine have pivot axes (8, 8') the pipe curves are arranged in an air intake manifold (11). USE/ADVANTAGE - For the air intake arrangement of an IC engine, involving an individual drive device for two groups of coupled pipe curves for trouble-free length alteration of the actual suction lines.
Patent DE-4140478-A1 (DE)
Title: Noxious aerosol concn. monitoring equipment - has test filter and fine filter exposed to gas bleed stream
IPC: B01D46/46
Filed: 1991-12-09
Abstract: Equipment, for monitoring the noxious aerosol concn. in a pure gas stream downstream of retention devices, comprises one or more bleed stream withdrawal devices (27) in the pure gas stream (18), a connection line for this test gas stream (30) and, pref. in a common housing (29), a gas feed device (24), a filter chamber (1) with a filter insert (20), a differential pressure monitor (21) and a signal emitter (28). The filter insert comprises a combination (9) of a test filter (20) and a downstream fine filter (23), the latter not being integrated with the differential pressure monitor (21). ADVANTAGE - The equipment monitors only a bleed stream, indicates a major filter defect within an acceptable time (e.g. 1-2 hrs. response time) and operates reliably for a long time (e.g. upto one month).
Patent DE-4141161-A1 (DE)
Title: Intermediate piece for pipe connecting petrol pump to underground tank - has tapped hole for adaptor for connecting smaller pipe inclined at angle of 45 deg. to main pipe
Inventor: PLEHN REINHARD DIPL ING
IPC: B67D7/54
Filed: 1991-12-13
Abstract: The underground tank of a petrol filling station is connected to the petrol pump, which dispenses petrol to customers, by a pipe (4). This pipe is fitted with an intermediate piece (15) which has a tapped hole for an adaptor (21) for connecting a smaller pipe (14). This smaller pipe is inclined at an angle of about 45 deg. to the main pipe. The smaller pipe is connected to the spout of the filler gun which is used to fill the tank of the customer's vehicle. The smaller pipe (14) enables any petrol fumes in the vehicle tank to flow into the underground tank and so the escape of the fumes into the atmosphere is prevented. USE/ADVANTAGE - Prevents petrol fumes escaping to the atmosphere and so reduces atmospheric pollution.
Patent DE-4142058-A1 (DE)
Title: Control information detection for rotational drive unit - involves deriving angular speed from sum of accelerations at points on rotating part surface symmetrical w.r.t. rotation centre
Inventor: ARAKI TORU
IPC: G01P3/44
Filed: 1991-12-19
Abstract: The method is for detecting the angular speed of a rotating part. A first and second acceleration are detected at a first and second point of the part, before adding them to obtain a sum and deriving the angular speed from the sum. The two points are symmetrically arranged w.r.t. a rotation centre of the part and on its surface. The angular speed is computed as the square root of the ratio of the sum of the accelerations and the product of twice a coefficient and the distance between the rotation centre and one of the points. USE/ADVANTAGE - For detecting control information for controlling a drive unit. The method and arrangement enable simple yet precise angular speed measurement.
Patent DE-4143190-A1 (DE)
Title: Casting mould for reinforced concrete rail track sleepers - has replaceable rail support insert at bottom of mould area
Inventor: DEHLING HELMUT DIPL ING
IPC: B28B7/24
Filed: 1991-01-05
Abstract: Steel casting mould for producing prestressed concrete rail track sleepers consists of moulding areas (4) located between pressure rods (7) which both stretch between end plates (3). The tension rods (2) are held by the plates (3) and pass through the moulds (4). The moulds have replaceable inserts (10) in the area where the rail track is located with a certain amount of play (11) between the insert and mould bottom. ADVANTAGE - The position of the rail track support area can be corrected easily by using a new insert. This compensation for any wear in the mould resulting from stress being released by the loosened rods to the concrete.
Patent DE-4204623-A1 (DE)
Title: Sensing potentiometer unit e.g. for vehicle accelerator pedal control - has pairs of potentiometers linked to control unit via filter circuits to eliminate ageing effects of potentiometer tracks.
Inventor: BEDERNA FRANK DIPL ING
IPC: F02D41/24
Filed: 1992-02-15
Abstract: Each vehicle function normally monitored by sensors has a second, similar sensor to provide a parallel, redundant signal. The two signals are compared via filter circuits and a control circuit. The settings of the vehicle controls etc. are determined by the signal shapes from the filter circuits and not by mere potentiometer levels. Simple low-pass filter circuits are used to process the sensor outputs. The control circuit can switch different reference signals to the sensors to monitor the sensor reaction. Periodical self-analysis reduces failure risk. ADVANTAGE - Accurate sensor function, not affected by potentiometer track wear.
Patent DE-4204738-A1 (DE)
Title: Compensator with multiple loop guide for endless material webs - has movable frame guided by central column set vertically inside frame and by guide rail outside frame
Inventor: NENTWICH REINHOLD
IPC: B65H20/34
Filed: 1992-02-17
Abstract: A movable frame is guided by a central column which is set vertically inside the frame and by a guide rail outside the frame. The guide rail (6) is also vertical and supports the frame (2) without play through a ball socket and/or roller guides (7). The pneumatic vertical movement of the frame is by a cylinder (9) set vertically parallel to the centre column without a piston rod but whose piston (10) is connected to the frame. A guide pulley set in the compensator next to the incoming point of the material is set either side in the upper fixed frame (1). The bearings are connected to pressure measuring devices which regulate the pneumatic operation of the cylinder (9). ADVANTAGE - Smooth fault-free compensation as the web changes.
Patent DE-4204900-A1 (DE)
Title: Electron beam machine - with the transformer located in the high-vacuum space behind the beam generator
IPC: H01J37/248
Filed: 1992-02-19
Abstract: The electron beam machine has transformer parts (6,11) and (12,7) located in a region (17), i.e. behind the beam generator elements (2,3,4) within the high-vacuum space of the insulation housing (1,5) but still outside the notional cylindrical surface (18) between the opening (19) and the beam generator elements. Pref. the switching elements (13,14) associated with the transformer (6,8,11; 7,9,12) are located within the high-vacuum space outside the surface (18). Magnetic field screen (21) kept at a high-voltage potential is located between these switching elements and the beam generator elements (2,3). The screen extends into the surface (18) and has an opening (22) bounded by this surface. The primary coil (8; 9) is embedded in the insulating material of the lining (5) and is separated at least from the secondary coil (6; 7) by sections (25,26) made of an insulating material. At least one of them, that is, either (25) or (26) serves as a transformer holder. USE/ADVANTAGE - In welding, boring and surface treatment installations based on electron beam operations. Its construction is simpler than that of known electron beam machines. Furthermore, the beam generator is easily accessible.
Patent DE-4205891-A1 (DE)
Title: Frame for supporting floor of motor vehicle - has cross-member which forms support for front seat.
Inventor: EGGERSTEDT UWE
IPC: B62D21/10
Filed: 1992-02-26
Abstract: The floor of esp. a private car, is supported on a frame formed by two longitudinal members (5) arranged symmetrically wrt. the longitudinal axis of the vehicle. Each side member extends rearwards to form a fork with the outer prong of each fork forming part of the sill for the vehicle door. The rear ends of the forks are connected by a cross-member with the middle part forming a tunnel. This cross-member has an H-shaped cross-section and forms the support for the front seat. USE/ADVANTAGE - Frame for supporting the floor of a motor vehicle. The frame cross-member also supports the front seat.
Patent DE-4208868-A1 (DE)
Title: Use of ginkgolide cpds., esp. ginkgolide B - in treatment of metastatic cancers, to enhance the effect of chemotherapeutic agents
IPC: A61K31/365
Filed: 1992-03-04
Abstract: Use of ginkgolides in treatment of metastatic cancers is new. Pref. ginkgolides are A, B and C (in their natural state, as present in Ginkgo biloba tree leaves from which they are isolated) or ginkgolide B alone. USE/ADVANTAGE - The method enhances the effect of cytostatic chemotherapeutic agents while reducing side-effects. This allows the chemotherapeutic agents to be more effective against tumour cells which are resistant to cytostatics (claimed). Admin. is oral or parenteral (esp. intravenous) prior to admin. of the cytostatic chemotherapeutic agent
Patent DE-4210867-A1 (DE)
Title: Boiling water reactor fuel element - contains apertured coolant feed pipe, for equalising axial power distribution
Inventor: ZERRESSEN KARL-WILHELM DR
IPC: G21C3/322
Filed: 1992-04-01
Abstract: BWR fuel element has one or more constrictions in a cross-sectional plane btween the element head and foot portions, coolant feed pipe side outlet openings located upstream of the constriction plane and a coolant feed pipe bottom coolant inlet of increased width so that coolant pressure loss between the foot portion inlet openings and the constriction plane within the pipe is insignificant compared with the pressure loss outside the pipe. ADVANTAGE - An unconstricted liq. coolant supply is provided at the region in which steam forms on the fuel rods so that the power max. is partially equalised and stabilised.
Patent DE-4212027-A1 (DE)
Title: Digital 3=phase pulse duration modulation signal generator for motor controller - uses comparison of reversible counter count values with stored reference values for each motor phase
Inventor: TAKADA KAZUYUKI
IPC: H02P23/04
Filed: 1992-04-09
Abstract: The signal generator has a clock circuit (112) providing indexing pulses for a reversible counter (1), with a comparator (6) providing a coincidence signal (6A) when the count value is zero. A register (2) holds a max peak value for the counter count value, compared with the actual peak value of the count, to provide a second coincidence signal (7A) to reverse the counting direction, with a further reversal in response to the first coincidence  signal (6A). Respective registers (3, 4, 5) hold the threshold values for generating the modulated signal for each of 3 different phases of a 3-phase motor, with further registers (8, 9, 10) storing these values upon the successive coincidence signals being supplied. Digital comparators (11, 12, 13) compare the count values with the values in the latter registers (8, 9, 10) for generating the output signals (28, 29, 30). USE - For digital 3-phase motor controller.
Patent DE-4214477-A1 (DE)
Title: Cover for latticed storage box - is mfd. in high impact, recycled polycarbonate, and fits onto edges of box to protect contents from moisture
Inventor: NAGEL DIETER
IPC: B65D21/02
Filed: 1992-05-06
Abstract: A cover (1) for the open side of a latticed box is mfrd. in a water-resistant plastic material, pref. recycled, e.g. high impact polycarbonate. The edges (5) of the flat cover (1) are bent upwards and outwards at right angles such that they engage on the top of the box edges. An alternative design includes recesses (6) to accept the feet of the box supported on top. USE/ADVANTAGE - For protecting items stored in latticed boxes or box pallets, typically standard European box pallets. Provides protection for goods against moisture and soiling, is rapidly positioned and can be stored in a small area.
Patent DE-4215600-A1 (DE)
Title: Structure and caulking jig
Inventor: SHIRASAKA TAKESHI
IPC: H01H11/06
Filed: 1992-05-12
Abstract: In the caulking structure a caulking aperture is formed in a fixed member, and a caulked member is inserted through the caulking aperture. The caulked member has faces cut in to form a number of caulking pieces. The caulking pieces are bent to a peripheral edge portion of the caulking aperture and depressed, thereby locking the caulked member to the fixed member. Each caulking piece is bent in a direction slanting counter to said cut faces. The jig for a caulking process has pair of cutting edges. A caulked member inserted through a caulking aperture formed in a fixed member has faces cut in it by the cutting edges to form the number of caulking pieces.     Each cutting edge has a slant face portion comprising first and second slant faces substantially orthogonal to each other to bend the caulking pieces in a direction inclined to the cut faces, thereby being each caulking piece in the counter direction.
Patent DE-4216393-A1 (DE)
Title: Cheap, sec. mixer for reaction injection moulding without increasing pressure - has cylindrical interior divided into e.g. three lengths, each with two inclined straight ridges which intersect at right angles
Inventor: BERMANN REINHARD
IPC: B29B7/76
Filed: 1992-05-18
Abstract: Appts. has a sec. mixer between the mixing chamber itself and the mould cavity, and it has its own dividing and combining lines. This sec. mixer has a cylindrical interior, at least one length of which has at least one integral ridge set at an angle to the centre line of the cylinder. The sec. mixer is made of two parts hinged together along a thin strip so that they can be held together by a longitudinal snap closure. Both parts are identical. When joined together their combined internal dia. is cylindrical. This internal dia. has (pref.) three lengths, each with two internal ridges (21), those of the two halves being at 90 deg. to each other i.e. crossing at 90 deg. The ridges are pref. straight and are thus orientated at about 45 deg. to the longitudinal axis. One external side of the sec. mixer is a straight face for ease of insertion into a runner and to hold its position. ADVANTAGE - The sec. mixer produces uniform blending of the reagents but with minimum pressure increase. It is inexpensive.