baber/WOPTO huggingface dataset:
Patent DE-2502725-A1 (DE)
Title: Scraper for coarse filtration of waste water - mounted on a radius arm which may be lifted along a guide rail
Inventor: JUNG HUBERT
IPC: E02B8/02
Filed: 1975-01-23
Abstract: A mechanical scraper for removing the coarse material collected on a curved grid or stationary rake through which e.g. water or waste water flows. The scraper has a scraping blade mounted on the end of a radius arm which can be moved upwards and downwards and which can be swung around a bearing at the mid-point of the curvature of the rake by a drive mechanism. The novelty lies in the fact that the radius arm bearing can be lifted along a guide rail by a second drive mechanism.
Patent DE-2505184-A1 (DE)
Title: Dishwasher with vertical pump requiring no seals - has bell-shaped outer rotor causing slight excess pressure preventing water rise
Inventor: BUEKER WILFRIED
IPC: A47L15/42
Filed: 1975-02-07
Abstract: The dishwasher is provided with a vertical pump, having a bell-shaped, air-tight outer rotor which is mounted with its open side pointing downwards in the collecting tank (3) of the diswasher. The pump vanes are mounted on the lower edge of the outer rotor and are enclosed and a housing (5) which can be connected to the spray system of the machine by a connecting pipe. The collecting tank of the machine which contains the outer rotor pump (1) is covered by a filter mesh, preferably a cylindrical fine mesh filter (7) which can divide the inside of the collecting tank into an intake chamber (31) for the lye pump and an intake chamber (311) for the rotor pump (1). Since no air can escape from the bell-shaped outer rotor, a slight excess pressure arises, and no water can rise up, obviating any seals.
Patent DE-2511718-A1 (DE)
Title: Overload protection unit - designed mainly for electronic assemblies consisting of power transistors
Inventor: BOEHRINGER ANDREAS PROF DR ING
IPC: H03K17/0814
Filed: 1975-03-18
Abstract: A protective logic unit (17) is inserted between a control device (4) of any design and the electronic assembly (3). The latter is intermittently switched on and off, but long term switching on or off must be especially commanded. In normal conditions the unit (17) passes commands from the control device (4) without change, but when an overload begins, logic unit (17) disconnects electronic assembly (3) irrespective of commands from the control device (4). At the earliest, it is reconnected only after a prescribed minimum disconnection time has elapsed. The threshold value for the operating signal can be partially or wholly determined by the temperature of the electronic switching unit, its radiator or other component.
Patent DE-2511787-A1 (DE)
Title: Removal of fluid from slurries and pulps - by pressure between two moving wire screen cloths
Inventor: BESNARD RENE
IPC: B30B9/24
Filed: 1975-03-14
Abstract: Fluid is pressed out of suspensions of solids by passing between upper and lower wire screen cloths guided by an assembly of auxiliary rollers. The lower screen cloth returns via a reservoir of fluid in order to clean it of adhering solid particles. Used for the concn. of muds, slurries and pulps.
Patent DE-2513427-A1 (DE)
Title: Cleaning of active carbon filters - used nuclear power plant to prevent radio active loss by burning carbon and recovering radioactive ash
Inventor: SCHWARZ HORST
IPC: G21F9/32
Filed: 1975-03-26
Abstract: Purification of active carbon filter columns, partic. filters used in nuclear power plants, by burning the active carbon in the filter column and discharging the carbon as CO and CO2 via a waste gas chimney. More especially, the solid residues are collected in final storage vessels for radiation secure storage, while all the gaseous residues are transported by the combustion gases to such a height in the atmosphere that they are diluted to a non-dangerous concentration. The volume of radioactive material to be stored is reduced to about 5% of that the active carbon, representing a significant saving in space and cost of vessels for storing the active carbon as such as has normally been the case.
Patent DE-2516968-A1 (DE)
Title: Hydroquinone deriv developer dyes - for colour-photographic diffusion transfer prepd by reducing quinones with 2,5-di-tert-alkyl hydroquinones
Inventor: FUJITA SHINSAKU
IPC: C09B29/00
Filed: 1975-04-17
Abstract: Hydroquinone derivs. (I) are prepd. by reducing a quinone cpd., pref. a mono-substd. p-benzoquinone, (II), contg. an azo- or hydrazone gp. and/or an acyloxy- or acylamide gp., with a 2,5-di-tert.-alkyl-hydroquinone (III), pref. contg. 4-10C in tert. alkyl gp., esp. 2,5-di-tert.-butyl- or -amyl-hydroquinone. (I) are developer dyes for colour-photographic diffusion transfer materials. (III) reduce (II) to (I), e.g. at room temp., without attacking other gps. of molecule, e.g. azo, acyloxy, alkoxyacyloxy or acylamide gps.
Patent DE-2518584-A1 (DE)
Title: Tri-hydroxymethyl-amino methane-gluconate dihydroxy-aluminate prepn. - by reacting gluconic acid with aluminium isopropylate and gluconate with tri-hydroxymethyl aminomethane
Inventor: FAZZINI MASSIMO
IPC: C07F5/06
Filed: 1975-04-25
Abstract: Industrial-scale prpn. of tris(hydroxymethyl) amino methane-gluconate-dihydroxy-aluminate having formula (HO)2Al-O-CH2-(CHOH)4-COOH.NH2 (CH2OH)3 (I) takes place in 2 steps. (1) reaction of D-gluconic acid with Al isopropylate, pref. with stirring at 30-80 (60-70) degrees C and (2) reaction of Al gluconate obtd. with tri-hydroxymethyl aminomethane. (I) has acid-inhibiting activity, high neutralising effect and buffer activity.
Patent DE-2524264-A1 (DE)
Title: Solar cell using liquid and gaseous heat carriers - cell with sealed bellows is fixed to insulating base
Inventor: BOECKMANN ALFRED
IPC: F24S10/50
Filed: 1975-05-31
Abstract: Solar energy converter with tank for storing converted energy comprises at least one cell (1) for the passage of two at least spatially independent heat carriers, at least one of which may be liquid while the other may be a gas, and chambers (60-62, 12) which extend one above the other in the direction of incident sun rays so that they can be connected to identical or different intermediate tanks (14, 15). Pref. the cell contains a sealed bellows member which is fixed to an insulating base (3, 4) and which can take up positions at different heights according to the quantity of liquid flowing through it or the pressure of the liquid. Between an outer heating chamber for one heat carrier and the insulating base, a pipe system (60-62) for heating the other heat carrier may be fixed to the base.
Patent DE-2526709-A1 (DE)
Inventor: FUJISAWA MICHIO
IPC: D06P5/00
Filed: 1975-06-14
Abstract: A method of transfer printing, wherein a release layer is formed on a temporary support; printing a pattern on said release layer with an ink containing coloring matter therein to obtain a transfer sheet; superposing an article to be transfer-printed on the printed surface of said transfer sheet; heating the superposed aggregate under pressure to transfer the release layer with the pattern onto said article to be transfer-printed; fixing the coloring matter to said article, and then soaping said article to remove the release layer, characterized in that the release layer consists of (1) 10-90 wt. percent of one or more thermoplastic polymers having excellent film-forming properties and water-solubility or alkaline water solubility as well as organic solvent solubility and (2) 90 to 10 wt. percent of one or more plasticizers having a melting point between 30 DEG  and 120 DEG  C selected from oxycarboxylic acids or their derivatives having water solubility or alkaline water solubility as well as organic solvent solubility.
Patent DE-2533174-A1 (DE)
Title: Stand for drilling machine with column - holds column at right angles or parallel to plate face
IPC: B23Q1/01
Filed: 1975-07-24
Abstract: The stand for a drilling machine has a baseplate and a column. The baseplate can hold the column at right angles to the baseplate plane or parallel to it. This ensures that holes can be drilled at right angles to the baseplate and facing, grinding and turning can be carried out when the drilling machine moves parallel to the baseplate plane. The fastening arrangement for holding the column parallel to the baseplate surface consists of a groove for the column and of a clamping screw. The opening for the cylindrical column is U-shaped and it is part of the baseplate whose upper face forms the working table. For changing over purposes the cylindrical column (5) is released from its given position and slid into its new position.
Patent DE-2537857-A1 (DE)
Title: Combined dog collar and lead - has lead retraction device fixed to collar to relieve necessity of unclipping lead from collar
Inventor: KORF OTTO
IPC: A01K27/00
Filed: 1975-08-26
Abstract: A combined collar and lead for domestic animals is constructed such that the lead and collar together form a single compact connected unit. A lead coiling or retracting device is incorporated into the collar unit so that when required the animal may be released from manual impervision at the end of the lead and the head coiled up or retracted into the collar in a single operation without the necessity to disconnect the lead from the collar.
Patent DE-2541789-A1 (DE)
Title: Diaphragm changing arrangement of measuring microscopes - has seating in housing with optical scanning system for the work piece
Inventor: GRAMSS GERHARD
IPC: G02B21/32
Filed: 1975-09-19
Abstract: The seating (4) is pivoted in a housing (1) concentrically to the optical axis (3) and the rotation is carried out by means of a knob (13) from an accessible position on the microscope via mechanical movement transmission elements (14, 15). In the seating (4) a slit diaphragm (9) and an iris diaphragm (5) are arranged in succession, so that their geometrical centres coincide with the optical axis (3) of the microscope. The slit diaphragm (9) is fixed to the lever arm of a swivel lever (10) pivoted on the seating (4) and linked to a second lever arm of the swivel lever (10) with a tension spring (12) which is fixed to the seating (4).
Patent DE-2546596-A1 (DE)
Title: Outdoor distribution point with weatherproof hood - covers panel carrying conventional outlet sockets, and supported on spikes
Inventor: PEPPING FRANZ
IPC: H02B1/50
Filed: 1975-10-17
Abstract: A distribution point for outdoor use for example for providing power for illuminations, has a structure (1), with spikes (2, 3 ) for pushing into the ground, with a hood (8) which, when closed, protects the supply panel (4) against water spray from all sides and from the top. A base plate (11) helps to protect against water ingress by creepage of splashing up from the ground. Since the hood (8) provides the necessary rain proofing, the outlet sockets on the distribution panel (4) may be of the conventional indoor type. The hood is arranged such that it is stable only in the closed position, for example it may be hinged in slots (5, 6) in the frame (1). The base may also carry a means for holding the outgoing cables.
Patent DE-2547631-A1 (DE)
Title: Decorative coloured spectacles with plastic frames - with polyurethane dye coating and scratch-resistant lacquer
Inventor: BONONI WALTER H
IPC: G02C5/00
Filed: 1975-10-24
Abstract: Coloured decorative spectacles comprise plastic eye frames, bridge and earpieces. On the surface of the spectacles is a first thin layer of polyurethane dye, pref. with various colouring or pigments, and over this layer is applied a second thin layer of scratch-resistant, sweat-resistant, tough, transparent material. The first layer may be applied only to the rear surface or only the front surface of the spectacles, which may be transparent or at least translucent, and pref. also to the outer peripheral edges of the spectacles. It may be applied by screen printing, brush painting, or stamp printing. The polyurethane dye bonds extremely well to all conventional high-quality plastics used for spectacles. Different colour patterns provide different aesthetic impressions. The same material can be used or the most varied kinds of spectacles.
Patent DE-2548157-A1 (DE)
Title: Return to zero circuit for signal regeneration - switching stage chain samples input to detect threshold valve and generate output pulse of fixed duration
Inventor: BOEDEKER FRIEDRICH ING GRAD
IPC: H04L25/24
Filed: 1975-10-28
Abstract: A return a zero circuit for signal regeneration generates an output pulse of a fixed duration, equal to a clock signal period, whenever a threshold value of the input signal is detected. The input signal (D) is sampled each time the clock signal (T) goes low and whenever the threshold value is exceeded an output (Q) pulse is generated by combination of the outputs of three switching stages (T2, T4, T5). An additional three stages of the same type (T1, T3, T6) react to the output condition to provide the necessary scanning function. If the input valve is below the threshold when sampled, the output stays at zero.
Patent DE-2552330-A1 (DE)
Title: Checking tyre bead - by inserting cone after mounting other bead and monitoring movement when tyre is inflated
Inventor: POLLOK JOERG DIPL PHYS DR
IPC: G01M17/02
Filed: 1975-11-21
Abstract: Tyre beads and their position on the rim are checked by (i) mouting one head on a rim, (ii) introducing a conical body concentrically into the opening of the other bead to be examined, the taper of the cone being approximately double the angle of the shoulder of the rim to the rim itself, (iii) fitting the bead to the cone and inflating the tyre, (iv) setting the distance between the rim and the cone, and (v) further inflating the tyre and observing and measuring the behavior of the bead under investigation. The process provides a simple and quick non-destructive test on proessurised tyre.
Patent DE-2555980-A1 (DE)
Title: Vibration resistant, heat-insulating lining - for exhaust treatment chamber of internal combustion engine
Inventor: BEYER HORST DR ING
IPC: C04B41/50
Filed: 1975-12-12
Abstract: Heat-insulating lining for the after-burning chamber of an i.c. engine is produced by mixing a coarse-ground low-density oxide ceramic material with a synthetic resin binder. The mixt. is moulded under press. opt. at elevated temp. The resulting bodies are cooled, impregnated with an inorganic binder, esp. water glass, dried and opt. heated for a short time at 300-700 degrees C. The bodies have a relatively low density and high resistance to vibrations. Their refractioness reaches 1100 degrees C (the optimal temp. for the detoxication of exhaust gases by after-burning is 850-1100 degrees C). This price is relatively low.
Patent DE-2558032-A1 (DE)
Title: Rotary hearth furnace control system - ensures correct spacing of material and reduces heating program changeover time
Inventor: GORISSEN ERNST DR ING
IPC: F27B9/16
Filed: 1975-12-22
Abstract: Furnace has a system for controlling the rotating movement, and thus controls the furnace occupation by the materials to be heated. Changeover from a given heating program to another one is readily carried out and the standstill times are greatly reduced. The length of the rotating path is represented by pulse counters in a preselecting counter. The preselector can specify the selected occupation spacing for example in centimetres. When the preselected value has been reached then a stop signal is given for stopping the rotating movement. The pulse generator is connected to the furnace drive.
Patent DE-2558900-A1 (DE)
Title: Multiple connector for automatic telephone - has elastic insulating bushes fitted between housing wall and cable half of connector
Inventor: EMMER LUDWIG
IPC: H01R13/631
Filed: 1975-12-27
Abstract: The multiple connector for an automatic telephone, consists of contact block fixed to the housing of the dialling switch. There is also a contact block connected to the cable and fastened firmly to a wall. The aligning parts of the wall block are located in bushes made of elastic insulating material. The cylindrical main part of each bush (11) fits into a hole (12) in the block (10) that fixes to the wall (5). The aligning post fits inside the bush. The rim (11b) of the bush engages behind the hole in the wall.
Patent DE-2600024-A1 (DE)
Title: Reinforced panel of expanded vermiculite particles - with reinforcing layer of fibre chips and binder
Inventor: HEETMAN JACOBUS G A
IPC: E04C2/16
Filed: 1976-01-02
Abstract: Reinforced panel consists of expanded vermiculite particles held together with binder and pref. mixed with organic and/or inorganic materials e.G. wood chips or perlite, and a reinforcing layer of fibre ships, pref. glass fibre chips, and binder. The reinforcing layer may be disposed on at least one of the surfaces of the panel, or beneath the surface of the panel, or in the centre of the panel. Method for mfg. the panel may be carried out by mixing together the fibre chips while adding binder, contacting this mixt. with the mass of mineral material, then pressing the whole assembly to form a panel. First the mixt. of fibre chips and binder may be introduced into a mould, then the sized mineral particles or vice versa. In this way, the reinforcing layer can be applied to the mineral particles mechanically.
Patent DE-2601026-A1 (DE)
Title: Double yoke universal joint - has four pin central cross with needle bearings lined with elastomeric damping caps
Inventor: KNIGHT TIMOTHY STEPHEN CARWARD
IPC: F16D3/28
Filed: 1976-01-13
Abstract: The universal joint has two yokes, each of which is connected to a central cross provided with four pins perpendicular to each other. The pins are each located in an aperture of a corresponding yoke arm by means of a needle bearing. A housing (32) made of elastomer material is provided between each bearing (26) and each yoke arm of both yokes (10,12). This provides a damping effect, interrupting the transmission of noises and/or vibrations through the joint. The housing (32) is under radial and/or axial pre-tension, and is retained in a cap (34). It (32) can be made of rubber.
Patent DE-2602484-A1 (DE)
Title: Clinical electrothermometer has removable tip - with electrical contacts on handle and tip insulated esp. by PTFE
Inventor: HESSLER WOLFGANG ING GRAD
IPC: H01R24/58
Filed: 1976-01-23
Abstract: A clinical electrothermometer comprises a temp-dependent electronic element in the sensor head, connected through the handle and a cable to a unit comprising the electrical supply, electronic measuring equipment and indicator. The sensor head is removable from the handle and is fitted to it by a plug-connection. Pref., the plug connection comprises coaxial contact poles sepd. by a non-wetting, electrically insulating material, esp. PTFE. When it is necessary to steriles the thermometer, only the sensor head needs to be removed and sterilised; thus it is not necessary to carry out the complicated sterilisation required for the handle, cable etc.
Patent DE-2603432-A1 (DE)
Title: Equipment for stacking and removing piled plates - mounted on pivoting arms for holding objects in horizontal position
Inventor: BRUESTLE ERICH
IPC: B65G57/04
Filed: 1976-01-30
Abstract: The equipment for stacking and removing of objects, especially flat plates, includes a pivot arm rotating more than 180 deg. about a horizontal axis. Two pivoting arms are rotatably mounted in the machine frame and driven by a shaft with a grab. At the free end of Bach pivoting arm (10, 11) is rotatably mounted a shaft (13, 14) which supports a steering lever (15, 16) carrying the grap equipment (17, 18, 19). The shaft (13, 14) is driven by one chain sprocket (22, 23) which is connected by a chain (28, 29) to another chain sprocket (20, 21) rigidly mounted on the machine frame (1). The grab is provided with a lateral bar (17) which is rotatably mounted in the steering levers (15, 16). Rigidly attached to the lateral rod (17) are two chain sprockets (26, 27) which are connected by chains (31, 39) with chain sprockets (24, 25) of the shafts (13, 14). The sprockets act together so that a plate carried by the grabs (18) is always in a horizontal position.
Patent DE-2603576-A1 (DE)
Title: Control circuit for transistor pushpull inverter - has saturation transformer for feedback control with core windings carrying DC equal to half period flow
Inventor: HABERZETH WALTER ING GRAD
IPC: H02M7/5383
Filed: 1976-01-30
Abstract: The saturation transformer primary is connected through a resistor in parallel with the invertor transformer primary winding. Its secondary winding is directly connected to control junctions of switching transistors. Two further windings (III1,III2) are provided on the saturation transformer (U1) core. They carry a current equal to the mean direct current flowing in each half-period, but flowing in the opposite direction. The series resistor in the saturation transformer (U1) primary circuit is replaced with a constant current circuit. Another embodiment utilises a circuit with the input voltage connected to an opposite diagonal of the main bridge.
Patent DE-2605447-A1 (DE)
Title: Screw cap hand opener - has two levers with side pivot and integrated grabs passing opening torque through gear from lever to cap
Inventor: KINSKI ERNST DIPL ING
IPC: B67B7/18
Filed: 1976-02-12
Abstract: A screw cap opener comprises a lever cramp (10) having a side pivot point (13) and applied to the top of the cap so that the integrated grab (15) and levers (11, 11a) grasp the cap for screwing off without difficulty. The swivel grabs are arranged preferably so that they take up the driving force applied by the lever (11a) through a gear in the centre (10) and pass this force to the rim of the cap via their own toothed stays (15a) so that the force is converted into an opening and twisting effect, release thus commencing when the levers (11 and 11a) are brought together. The side mounting of the pivot point (13) for the levers ensures that even with large caps, the lever opening should be kept small enough for use by those with small hands and with the minimum manual force requirement.
Patent DE-2606583-A1 (DE)
Title: High rupturing capacity fuse reception contact - has two strip pairs forming jaws of different depth for retaining contact blades
Inventor: NEU LEOPOLD
IPC: H01H85/20
Filed: 1976-02-19
Abstract: The reception contact is intended for a high rupturing capacity fuses, fuse strip and automatic protective circuit breakers. The contact strip pairs (4, 5; 6, 7), belonging to a contact (2, 3) have each an opening (9, 10); 11, 12) of differing depth and funnel shape. Thus a blade counter contact (13, 14) touches during switching the individual strip pairs in an appropriate sequence. Preferably the contact is of multi-angular shape, or U-shaped, or with contact strips twisted in longitudinal direction through 90 deg. The narrow sides of the strip pairs come, in such instance, in sequential linear contact with the counter contact. The wide sides of the strip pairs then form a sequential surface guideway.
Patent DE-2610491-A1 (DE)
Title: TV receiver cooling system with fan - has fan mounted on housing wall and blowing air through nozzles over components inside set
Inventor: NIEMEIER RICHARD
IPC: H05K7/20
Filed: 1976-03-12
Abstract: The cooling system for a television receiver, consists solely of a fan which is mounted in the rear wall of the receiver housing and which blows cool air over the electrical components inside the housing. The fan may also be located outside the housing and may be connected to a feed through pipe by flexible tubing. The advantage lies in avoiding picture degradation and fire due to overheating esp. in hot countries. The fan itself may be either of the axial or the centrifugal type.