baber/WOPTO huggingface dataset:
Patent DE-2722991-A1 (DE)
Title: Tunnel kiln for baking ceramic prods. - using walking beam to drive reciprocating grate moving prods. along stationary grate
Inventor: ENGMANN DIETRICH
IPC: F27D3/02
Filed: 1977-05-20
Abstract: The kiln contains a stationary hearth with vertical supports carrying a stationary grate (a) assembled from plates contg. longitudinal slots. In the middle of the hearth is a walking beam fitted with branched supports which extend upwards through slots and carry plates forming a grate (b) which reciprocates horizontally and vertically to move the ceramic prods. through the kiln. The two grates fill the kiln both longitudinally and transversely, leaving only a small gap between the sides of the gates and the side walls of the tunnel. The plates employed in both grates (a, b) are pref. made of ceramic material. The plates used for grate (b) are pref. fitted with cams or projections used to push the prods. through the kiln. Ceramic prods. with a wide variation in size can be economically baked with low energy consumption without the need to locate the prods. on trays or other supports.
Patent DE-2725605-A1 (DE)
Title: Delay line e.g. for colour TV luminance circuit - has inductors and capacitors both in form of windings, with capacitors on metal support and inductors on plastics coil formers
Inventor: REINWARDT RUDOLF
IPC: H03H7/32
Filed: 1977-06-07
Abstract: The delay line is formed from a series connected inductors and capacitors. It is suitable for use as a luminance delay line in a colour TV receiver. The capacitors are produced by a winding (6) of insulated fine wire (7) on a metal support (1), of small diameter. The inductors consist of windings (5) on non-metal, pref. disc-shaped plastics coil formers (4) whose separation from the metal support is sufficient to prevent capacitive coupling. the metal support may have a longitudinal slit and serve as the earth pole of the capacitor winding.
Patent DE-2726243-A1 (DE)
Title: Multi-purpose IR grill unit - has extra grill plate converting grill for contact grilling or frying
Inventor: BAUMANN LUDWIG
IPC: A47J37/01
Filed: 1977-06-10
Abstract: The grill appts., which includes an electric IR unit, also has an additional grill plate(5) of heat-conductive material which can be fitted into the hood(1) or the pan(2) as and when required. Thus when IR grilling is not required the grill plate can be inserted so that the grill can be used for contact grilling, roasting or frying. For this extra use, the grill hood can be rotated 180 deg. so that the heat then radiates up from the base. The upper side of the grill hood is thus made as flat as possible so that when turned right round it provides a suitable base. The grill plate(5) can have two side handles(6) which can fit into slots(7) provided in the wall of the hood(1) or pan(2). The inner dia. of the hood(1) is greater than the outer diameter of the pan(2).
Patent DE-2728510-A1 (DE)
Title: Mechanism diverting containers between conveyors - has conveyor slewing in plane in which it travels
Inventor: DOHSE HORST ING GRAD
IPC: B65G47/71
Filed: 1977-06-23
Abstract: The diverter mechanism transfers transport containers each having a detectable marking on one side by means of a diverter conveyor travelling between two parallel conveyors and roughly at right angles to them. The diverter conveyor (WB) slews in the plane in which it travels. It can be mounted on a rotary plate, whose drive mechanism is accommodated in a mobile support. To transfer a container (FB2) the diverter conveyor can travel, after receiving it from one of the two parallel conveyors (F2, F2) into an intermediate position between them, where it slews through 180 deg. and then moves on until in line with the other one. A detector (ZA) can be mounted on it, for the marking (ZE2) on each container.
Patent DE-2728615-A1 (DE)
Title: Burner with two stage combustion - uses high air content mixt. in first chamber whose exhaust is fed to second chamber
Inventor: EGNETT ROLF ARNESSON
IPC: F23C6/04
Filed: 1977-06-24
Abstract: The burner uses a low air to fuel ratio to prevent formation of nitrogen oxides and carbon monoxide. The first part of fuel is burnt in a first combustion chamber with an excess of atmospheric air. Oxygen containing combustion gases are generated which are subsequently cooled. The second part of the fuel is burnt in a second combustion chamber. The cooled combustion gases from first combustion chamber are used as the only oxidising medium or as major proportion of th oxidising gases.
Patent DE-2731036-A1 (DE)
Title: TDM code transmission method - involves addition of logic ONE to each code group with coding upset at first bit of frame
Inventor: PEXA GUENTHER
IPC: H04L25/49
Filed: 1977-07-08
Abstract: The method is used for the transmission of pseudo-ternary digital signals. A pulse frame is produced with several equal size groups of n signal bits. A logic "1" bit is added before each group. The TDM signal so enlarged is subjected to an AMI coding, but the AMI rule is upset at the first bit of the pulse frame. An AMI decoding is carried out and the bit timing signal is recovered at the receiving end. A frame synchronisation signal is derived from the upsetting of the AMI rule, and the added bits are eliminated.
Patent DE-2736002-A1 (DE)
Title: Gas mixt. analysing equipment - determines proportion of surface active gas using volume variation of fluid drop
Inventor: HASSE ERNST-ULRICH
IPC: G01N13/00
Filed: 1977-08-10
Abstract: A device is used for determining the proportion of surface active gas in a gaseous mixture. It monitors the volume variation of a fluid drop exposed to the mixture caused by surface tension variation. It is partic. designed for use in process monitoring and control, and operates relatively quickly. A fluid drop is suspended in a horizontal wire loop. A fine hollow tube projecting into the drop from above carries a fine flow which passes through the drop. The subject gas is directed at the underside of the drop.
Patent DE-2737657-A1 (DE)
Title: Section assembled covered water drainage gutter - has alternately stepped overlapping section ends and plates with locking recesses
Inventor: JAGODZINSKY PAUL
IPC: E21D11/08
Filed: 1977-08-20
Abstract: The water duct channel, esp. as used in mining for drainage, comprises a row of U-sectioned elements and cover plates on these which can be walked on. The gutter elements (1) have narrowed sections (3, 3") running along their profile, inside at one end and outside at the other end overlapping between elements. The cover plates (2) have depressions (6) on the underside, parallel to the lengthways edges, for locking onto the elements' edges (7). Both gutter elements and cover plates are plastic shaped pieces. The thiing sections can be in the form of rebate-type steps, alternately overlapping on adjacent elements.
Patent DE-2740230-A1 (DE)
Title: Rotary hay making machine - has compression drums which rotate about vertical axis and expand upwards mounted behind rake wheels
Inventor: WEIDTMANN RAINER DIPL ING
IPC: A01D78/10
Filed: 1977-09-07
Abstract: The haymaking machine has at least one rake wheel which is driven about a vertical axis. Compression drums rotate in the same direction. The compression drum (6, 7, 8) rotates about a vertical axis and consists of a rotary body which is expanded upwards. This rotary body is an inverted truncated cone (6, 7). Alternatively, the drum may consist of several rotary bodies set one above the other, which together give an expansion upwards of the drum.
Patent DE-2745311-A1 (DE)
Title: Composite plate with embossed surface - has supporting plated distorted over entire cross=section, and covering layer with thin decorative layer
IPC: B27D1/04
Filed: 1977-10-07
Abstract: The composite plate has an embossed surface, a wooden supporting plate and a covering layer joined to it, the covering layer in turn being covered by a thin decorative layer. The embossed portions extend into the supporting plate, and the covering layer consists only of the decorative layer. The supporting plate (1) is distorted over its entire cross-section. Its embossed outline on one side can correspond to the recessed one on the other.
Patent DE-2750023-A1 (DE)
Title: Tool for cleaning wooden chopping blocks - has plastics wheel with blades covered with silicon-carbide or emergy cloth
IPC: B24B23/02
Filed: 1977-11-09
Abstract: Wooden chopping blocks can be cleaned with power driven rotary metal scrapers. When these scrapers are used to clean plastic chopping blocks they damage the block surface. This danger can be avoided by fitting the cleaning tool with a special wheel made of plastic (42) in which resilient plastic blades (46) are embedded. These blades are arranged radially and are inclined at angle to the axis of rotation of the wheel and are coated with a layer of silicon carbide. Alternatively, sheets of emery cloth may be bonded to their surfaces.
Patent DE-2750921-A1 (DE)
Title: Reversing wheel with chain teeth for roller chains - with gears positioned in common plane and with their number equal to half sides on reversing wheel
Inventor: BUDNY ANTON
IPC: B65G23/06
Filed: 1977-11-15
Abstract: Successive links in the direction of the chain are alternately outer joints and joints directed towards the centre. The chain teeth (4) are positioned in a common plane and their number is equal to half the number of sides of the reversing wheel. The flanks (4', 4''') of chain teeth adjoining each other (4) are placed at a distance from each other equal to the outer measurements of an outer joint. The chain teeth are flattened far enough to provide in addition space for wear shoes directed towards the centre.
Patent DE-2753080-A1 (DE)
Title: High-density polyethylene pilfer-proof bottle screw cap - has safety ring, elastic gripping ring with undercut and knurled edge
Inventor: HEINLEIN HANS
IPC: B65D41/34
Filed: 1977-11-29
Abstract: In the parent patent, a tamperproof plastics cap closure has a marginal section serving as safety ring integral, via radial ribs, with a screw-threaded cap; and a transfer ring. The safety ring has an inner elastic gripping ring which engages, in "closed" position, a transfer ring of a container to be closed. In this addn., the safety ring has a constriction which gradually passes into an elastically expandable marginal section. Can be used with bottles having a short, screw-threaded neck. Unscrewing the cap with simultaneous intended breaking of seal is facilitated.
Patent DE-2757550-A1 (DE)
Title: Tubular membrane filter for short-time dialysis - has clamps squeezing one or both ends together
Inventor: WALCH AXEL DR
IPC: B01D63/00
Filed: 1977-12-23
Abstract: A filtration device, esp. for the highly effective short-time dialysis of small quantities of fluid down to 0.01 ml., consists of a tubular membrane contg. the fluid to be treated which is mechanically closed at one or both ends. One pref. way is to use one or two eccentric rollers which squeeze the membrane against a flat elastic base plate. This supplies better and more reproducible results than a manual knotting of the hose ends. The membraneis less likely to become damaged.
Patent DE-2758028-A1 (DE)
Title: Corrosion protection of metals or lacquers - using aq. emulsion of wax to form elastic coating which can easily be removed
Inventor: SEWING BERNT
IPC: C09D5/08
Filed: 1977-12-24
Abstract: Corrosion protection agent for metals, lacquer, etc. consists of an aq. emulsion which can be washed off an object even when dry by using a basic aq. soln. The emulsion contains water with wax(es) contg. carboxyl gps. which combine with metal ions; and also salts (I) of di- or polyvalent metals; emulsifiers; and opt. corrosion inhibitors. Up to 60% of natural or synthetic wax(es) with acid number 0-200 is pref. used in water which can contain a small amt. of alcohol or other agent aiding the covering power and drying; pref. 0.5-15% of (I) are used in the emulsion, and max. 20% inhibitors, esp. 0.25-2% of a Li cpd. The inhibitors may have an anodic and/or cathodic effect, and may be absorption inhibitors viz polar organic nitrogen- or sulphur- cpds. insol. in water but soluble in oil. An optimum amt. of an anionic-, cationic- or nonionic- emulsifier is used, and the emulsion pref. has pH 7-10 with a pH of 7-8 after drying. Used e.g. for protecting steel and/or motor car body components, where the emulsion is much easier to remove and replace when contaminated than oils. The emulsion is harmless to humans and to the environment, and forms an elastic coating.
Patent DE-2800150-A1 (DE)
Title: Dressing leather or polyurethane leather with co-polyamide - derived from di:amine adipate and piperazine decane-di:carboxylate-azelate
Inventor: HORN PETER DIPL CHEM DR
IPC: C14C11/00
Filed: 1978-01-03
Abstract: The parent patents concern copolyamides (I), with K values of 35-70 (1% soln. in 96% H2SO4 at 20 degrees C), obtd. by melt condensn. at 180-300 degrees C from 5-18 (wt.%)% hexamethylene diamine adipate (II) and 95-82% salt (III) of piperazine and mixts. of decane-1,10-dicarboxylic acid and azelaic acid in 70:30 to 95:5 molar ratio, opt. in the presence of traces of monocarboxylic acid as mol.wt. regulator, according to DT 26 30 114, or from salts (IV) of adipic acid with a 5-20, pref. 6-15C (cyclo)aliphatic prim. diamine instead of (II) according to DT 28 00 149. According to DT 28 00 149, (I) is used for dressing artificial leather with a plasticised PVC surface. Improvement is that (I) is used for dressing leather or artificial leather with a polyurethane surface. (I) forms stable solns. in the usual solvent mixts., adheres firmly and permanently to the surface, has good feel, gloss and mechanical properties and retards plasticiser and dyestuff migration.
Patent DE-2801855-A1 (DE)
Title: Backlash detector for vehicle axles - has pneumatically-operated bearer plates carrying axle load
Inventor: KEULEN ANTONIUS FRANCISCUS VAN
IPC: G01B5/14
Filed: 1978-01-17
Abstract: The backlash detector for vehicle axles consists of a lubrication bay/inspection pit on either side of which are support plates for the vehicle wheels. Each plate is fitted with a set of spring-loaded rollers of suitable construction to allow each plate to bear one half of the axle load. Each plate has guide rails to allow it to move in directions at right-angles to each other. The rails are attached to actuator rods, each of which is connected to a double-acting pneumatic piston. Control devices are provided for each plate which comprise electrically-operated valves, each of which is connected to one end of the pneumatic cylinder. The plates can be moved independently of each other in eight directions, i.e. in X and Y directions and at 45 deg. intermediate positions.
Patent DE-2806058-A1 (DE)
Title: Bottle distributor and routing machine - has moving levers, actuated by solenoids with spring loading and locking levers
Inventor: KIEFER ERNST ING GRAD
IPC: B65G47/86
Filed: 1978-02-14
Abstract: The appliance is esp. for upright bottles. It has a rotating transportation star, and a branch, pref. a rotating take-over star. The transportation star has a number of pivoted or displaceable levers or push rods, each projecting into one bottle space. The star also carries solenoids which when excited move each lever. The levers are spring-loaded, and have a locking lever on the ends facing the star. With a rotation of the star, the lever slides on a stationary support cam, and engages on a moving pin. The pin is moved by the solenoid, to free the lever.
Patent DE-2813212-A1 (DE)
Title: Door or window blind retainer - comprises lengthways sprung axle clamping against recess interior
Inventor: TRAUTMANN GUENTER
IPC: E06B9/44
Filed: 1978-03-25
Abstract: The system for fixing a roller shutter or blind of any kind in position enables it to be very quickly mounted by completely unskilled people. Whether on windows, doors or other openings, all types are fitted with one or more lengthways resilient axles (1). Spring pressure (2) forces these to fix themselves against the inside parts of the windows or door alcove, where they become firmly clamped. Resilient elements can be fitted at both ends of a continuous figid axle, exerting an even spreading effect and firmly clamping the centre axis, with fixing units at axis ends to prevent twisting. This is also applicable to partition walls, fly screens, decorative walls, curtains and other elements.
Patent DE-2813278-A1 (DE)
Title: Water absorbent and retentive matted fibre material - has two layers crimped fibres of looser and compact fibres bonded by interlayer of thermoplastic fibres
Inventor: BUTTERWORTH GEORGE ANTHONY MIC
IPC: D04H1/42
Filed: 1978-03-28
Abstract: Non-woven fibrous material having low density, good stability and mechanical strength, good feel and which is soft and strongly bulked is composed of a first layer formed of randomly disposed, intersecting and overlapping mechanically bonded fibres which differ from synthetic thermoplastic wood pulp fibres and a second layer formed of loosely interconnected fibres forming openings between them. Second layer further includes synthetic thermoplastic wood pulp fibres which are disposed at the interface between the two layers for contacting the fibres of the two layers and for thermowelding with the fibres of the two layers. Synthetic thermoplastics fibres have a m.pt. which is lower than the decomposition temp. of the fibres in the two layers. Used in wiping cloths, dusting cloths, sponges or diapers. Material has good moisture absorbing and retentive properties.
Patent DE-2816125-A1 (DE)
Title: Magnetic bearing for radial and axial loads - has races with equal polarity ensuring centering and narrow air gap
Inventor: BALTZER SIEGFRIED
IPC: F16C39/06
Filed: 1978-04-14
Abstract: The magnetic bearing is used for radial and axial support of shafts. The bearing consists only of an inner and an outside race, the facing parts of which have the same magnetic polarity. This ensures repulsion and a narrow air gap is maintained between the two components. The inner race is kept at the centre of the outer race and direct contact is prevented.
Patent DE-2832376-A1 (DE)
Title: Closed circuit differential reactor for multiphase reactions - has helical conveyor screw for circulating reaction mixture through catalyst bed
Inventor: SCHELCHSHORN JOACHIM DIPL ING
IPC: B01J8/02
Filed: 1978-07-24
Abstract: Differential reactor has a solid phase in a fixed bed through which the liquid and/or gaseous or super-critical phase can flow. The fluid is circulated by means of a conveyor screw. Pref. operating conditions are reaction chamber pressure 2.5 kbar at room temp. -2 kbar at 300 degrees C, or to a limit of 0.3 kbar at 500 degrees C. Used for microkinetic and macrokinetic investigations in gas-liquid reactions, heterogeneous catalysed liquid phase reactions and mass transfer investigations. The arrangement incorporates the advantages of an integral reactor, to be achieved for systems incorporating a catalyst fixed bed. Highly compressed fluid phases at very high pressures can be handled and the flow conditions through the catalyst bed correspond to those of an industrial-scale fixed bed reactor. The results can be transferred directly to commercial reactors.
Patent DE-2837553-A1 (DE)
Title: Circuit for electrically operated gaming machine - regulates height of win symbol display as consequence of logic circuit with diode matrix and switches
Inventor: GAUSELMANN PAUL
IPC: G07F17/32
Filed: 1978-08-29
Abstract: The coin operated gaming machine includes an electronic circuit to control the height of the "win" symbol display to produce a symbol in the right position according to the result. It comprises two similar circuits in parallel with OR gates (f g) and diode matrix connections to parallel input lines to multiplexers (H T) each with an output to a change-over switch (K Q). The switches control the operation of numeric displays (L R) in accordance with counter mechanisms (B F) which are regulated by pulse signals. The displays are illuminated by light sources (M1, M2....M5) regulated by the same circuit control stages as the counters and timing by logic units (e.g.O).
Patent DE-2838601-A1 (DE)
Title: Opposed piston IC engine - has reciprocating output shaft rotated by contra-coating turbine wheels in piston
Inventor: EICHNER RICHARD
IPC: F01B7/14
Filed: 1978-09-05
Abstract: The combustion engine comprises a cylinder contg. two opposed-action reciprocating pistons. The output shaft reciprocates with the piston but rotates relative to them. This rotation is caused by three turbine discs which rotate due to the expansion during combustion. Two turbine wheels are fixed on the shaft and rotate in the same direction. A contra-rotating wheel between them rotates freely on the shaft, but is coupled by a gear wheel. Combustion takes place in the annular chamber between the cylinder and the piston bush and the expanding gas is admitted to the turbine wheels via an annular slot controlled by a spring-loaded closure.
Patent DE-2844612-A1 (DE)
Title: Heat-cured laminated mouldings mfr. - by successively press-moulding each ply from granulate compsn. and bonding to preceding ply
Inventor: MELLERT DIETER
IPC: B29C43/14
Filed: 1978-10-13
Abstract: Mfr. of 2- or multi-ply laminates based on thermosets, with use of curable plastics contg. fillers with application of heat, is claimed. The plies are successively press-moulded, each successive ply being bonded to the preceding one. After each ply has been shaped and the resulting semi-finished moulding achieved dimensional stability (but before it is completely cured), the moulding pressure is released. Then the material for the next ply is applied, in form of a granulate or powder of similar compsns. and then press-moulded in like manner so as to achieve firm bonding to the surface of the preceding ply. The prods. are tough and hard-wearing and have outstanding dimensional stability.
Patent DE-2850232-A1 (DE)
Title: Slide-in frame for printed circuit board with increased contact - has spring-loaded tags on spring strip with lever and locking mechanism and is esp. for cable looms
Inventor: HEFT JOSEF
IPC: H05K7/14
Filed: 1978-11-20
Abstract: The slide-in frame is for printed circuit boards with two parallel guide rails in the direction of slide of the boards. The guide slots face each other and extend over the two longitudinal edges of the board. It produces an increased number of contacting points between the printed circuit boards and the remainder of the circuit. One of the two guide rails (2) is made with a contact spring strip such that the spring-loaded terminals (3) can be extended beyond the slot (4). The printed circuit board (5) is made with contact surfaces (7) along the edges (6) to form joints with the spring-loaded terminals. There is a lever (8) which is used to extend the spring-loaded terminals. The printed circuit board can also be locked in position.
Patent DE-2852903-A1 (DE)
Title: Flexible bosses for supporting calendar on plastics beam - have stops and strengthening rib to prevent over-stressing
Inventor: SACHAU WERNER
IPC: B42D5/04
Filed: 1978-12-07
Abstract: A support for a calendar block which consists of an L section plastics beam (1) with two bosses (5) is used which fit into the holes in the calendar leaves. The bosses (5) have a horse-shoe shaped cross-section with a flexible flap (6). It has been found that this flap (6) may break if deflected too far. A modification is used to overcome this problem. Two stops (8, 9) are moulded on the inner surface of the horse-shoe section (5) and a strengthening rib (10) is formed at the junction of the flap (6) with the beam (1).