baber/WOPTO huggingface dataset:
Patent DE-3045991-A1 (DE)
Title: Office machine carriage cladding - has paper and erasing supports secured rigidly between side and rear portions
Inventor: DUBSKY HEINZ
IPC: B41J29/12
Filed: 1980-12-05
Abstract: The carriage cladding is for typewriters and similar machines, having side and rear portions,rt paper supports etc. The paper and erasing supports are mounted between the side and rear portions and at the top of the cover, being rigidly secured together to form a homogeneous component. The side portions have positioning ribs with mountings for adjustment in the sidewalls, and profile ribs together with a peripheral lengthwise rib are provided in the lower part of the cladding to stabilise the stiffening ribs. The cladding also has the necessary fixing holes, apertures for the paper release, the carriage release, the line-indexing lever, the line setting and the platen-turning knob.
Patent DE-3046491-A1 (DE)
Title: Supply circuit for three=phase motor - has no=load circuit supplying winding in absence of load
Inventor: FETTIG ARTHUR
IPC: H02P25/18
Filed: 1980-12-10
Abstract: The supply circuit starts the motor using a main circuit. In the no-load state, the motor winding is supplied from a no-load circuit that differs from the main circuit used during start-up e.g a star instead or a delta configuration or a single-phase instead of a star configuration. The motor thereby draws a reduced reactive power such that when the load is applied the winding is switched from the no-load circuit to the main circuit either immediately or after a delay. Short no-load periods do not cause switching back to the no-load circuit. The main components are a multi-pole switch (1), a network 'on' indicator (2), foot switch (3), delay element (4), relay switch (5) and motor winding (6).
Patent DE-3101283-A1 (DE)
Title: Process and device for producing preforms (parisons) from thermoplastic
Inventor: HOENE NORBERT
IPC: B29C49/00
Filed: 1981-01-16
Abstract: For the production of preforms (parisons) first of all one heated end of a tubular section is formed on a first heated wheel. Subsequently the other end, also heated, of the tubular section is formed on a second heated wheel. A turning apparatus for the tubular sections is provided between the heated wheels.
Patent DE-3104198-A1 (DE)
Inventor: RAPHAEL PAUL STEPHEN
IPC: G01N27/02
Filed: 1981-02-06
Abstract: A coin testing apparatus comprises transmitting and receiving coils (14) and (15) on opposite sides of a coin passageway (11). The transmitting coil is connected to high and low frequency oscillators (16) and (17). The output of the receiving coil is separated into the high and low frequency components by a high pass filter (21) and a band pass filter (22). In the high frequency channel the signal is amplitude controlled by a voltage controlled amplifier (23) rectified by a rectifier (24) and smoothed by a long time-constant circuit (26). The initial rise in level caused by a coin entering between the coils (14) and (15) is detected by an instantaneous level change comparator (32) which responds to the rate of change of signal level at the output of the long time-constant circuit (26) becoming equal to preset threshold and causes a normally closed switch (27) to be opened. When the switch (27) is closed a comparator (31) compares the signal with a reference value from a source (30) and adjusts the gain of the amplifier (23) until the signal corresponds to the reference value. Upon the arrival of the coin the switch (27) is opened and a long time-constant circuit (28) causes the gain of the amplifier (23) to be maintained at the level before the arrival of the coin. A window comparator (33) compares the difference in voltage with voltage ranges for acceptable coins. A similar arrangement is provided in the low frequency channel but with two differences. The switch (27) in the low frequency channel is operated by the same instantaneous level comparator as is used for the high frequency channel and instead of a rectifier (24) a novel sample and hold technique is used for providing a d.c. signal from the output of the amplifier (23).
Patent DE-3108129-A1 (DE)
Title: Low-throughput rotary hose pump
Inventor: RIX ALBERT
IPC: F04B43/12
Filed: 1981-03-04
Abstract: The low-throughput rotary hose pump is designed for fields of application where high reliability in combination with low liquid delivery, which is constant during the operation of the pump, is important, for example in metering devices and pen-and-ink recorders. The pump (9) is designed to have a housing (19), a rotor (22), an elastic delivery hose (21) which is inserted between the wall (27) and the rotor (22) and is pinched off by a roller (25) carried along with the rotor (22). The pinched-off zone revolves, owing to the rotation of the rotor. The rotation of the rotor is effected by a motor (17)-driven epicyclic gear containing the sun wheel (41) formed by the housing at (38), and the planet wheel (36) driven by the pinion (37) and revolving on the sun wheel. The shaft (34) of the planet wheel (36) in this arrangement is in engagement with the rotor (22) at (35). <IMAGE>
Patent DE-3108312-A1 (DE)
Title: Vacuum-tight push-in connection
Inventor: WASSEN JOHANNES ING GRAD
IPC: B23K15/00
Filed: 1981-02-27
Abstract: The invention relates to a vacuum-tight push-in connection for pipe sections or pipe sections with connection pieces to be welded by means of electron beam welding. During the electron beam welding, which is carried out under vacuum, the air contained in the pipe part escapes and thus problems arise in maintaining the vacuum. According to the invention, it is proposed that one end of the pipe section or connection piece to be connected have a tapered inner recess starting at the end face, while the end of the other pipe section or connection piece to be connected to it has an inner collar with outer surfaces tapering towards the free end, and that the taper of the inner recess be designed to be slightly smaller than the taper of the collar and that it be dimensioned in such a way that, when the tapers are pressed axially into one another for connecting the ends, permanent deformation producing a frictional and positive-locking connection occurs in this area. <IMAGE>
Patent DE-3111858-A1 (DE)
Title: Measuring arrangement for detecting cracks
Inventor: MALEK SAMIR
IPC: G01N3/06
Filed: 1981-03-26
Abstract: The invention relates to a measuring arrangement for detecting cracks. In this measuring arrangement, provision is made as crack detector of light-guiding fibres or films which are applied directly onto a component. Light is coupled in onto these light-conducting fibres with the aid of an optical coupler, and the optical transmission is checked at the free end. A fibre breakage serves as an irreversible indication of a crack.
Patent DE-3114167-A1 (DE)
Title: Goniometer direction finder
Inventor: WOLF FRANZ DIPL ING
IPC: G01S3/14
Filed: 1981-04-08
Abstract: The invention relates to an arrangement for radio direction finding with the aid of a dual-channel receiver and indication of the bearing figure on a cathode ray tube. Direction finding is carried out by means of a goniometer, the search coil of which is connected to a nondirectional antenna whilst its field coils are alternately connected with the directional antenna system to the inputs of the dual-channel receiver. The bearing azimuth is then read from the goniometer scale when the indicating line generated by the goniometer has been brought in the direction of the bearing figure.
Patent DE-3116729-A1 (DE)
Title: Wall unit
Inventor: HORN WERNER
IPC: E04C1/00
Filed: 1981-04-28
Abstract: The present patent application relates to a wall unit with modifications for window and door jambs, corner forms, dividing wall connections, ceiling supports, sewer bricks for supply lines etc., which may be installed prefabricated without further work required, using the same means of connection for all units, profiles in the base and cover surface, which effect metering of the mortar and thus save mortar, and form folded joint members with high section modulus, locking structures for correct seating of the unit, expansion-free joints for early structural stability of high units, profiling at various levels, which provides good sound insulation, brick filler blocks and projecting panels with perforated metal foils, which, being at different levels and with their openings offset, reflect heat and offer good heat protection by slowing air exchange, enclosed communicating joint spaces which enable joint mortaring of entire wall parts in a single operation in the absence of retaining strips, bond construction method for which no structural steel is needed apart from handling reinforcement, the "preferred joints" with design options for breaking up walls and profiling, in accordance with the architect's plan.
Patent DE-3119231-A1 (DE)
Title: Roof-border cladding, in particular for flat roofs
IPC: E04D13/155
Filed: 1981-05-14
Abstract: Roof-border cladding with gravel stop, retaining means and carrier profile on which the roofing skin rests. The retaining means have a supporting part with oblique leg and with carrier part which is vertically adjustable thereon and has an upper web part and a lower clamping spring. A U-shaped retaining profile, which rests on the roofing skin in the manner of a cap and is retained by the web parts in this way, runs beneath the web parts and above the carrier profile. The basic profile on the carrier profile has continuous guide channels at the top and bottom, into which the retaining means, which are butt-connectors at the same time, engage displaceably on the border side. The unclamped roofing skin can work freely, as can the other roof-border cladding parts. Adaptation to different cross-section thicknesses and roof-covering layers is possible by adjusting the retaining means. The roofing skin is retained securely even when the gravel stop has not yet been fitted.
Patent DE-3122341-A1 (DE)
Inventor: RIGLER JOSEF KARL DR
IPC: C08J9/20
Filed: 1981-06-05
Abstract: Fine particulate expandable flame retardant styrene polymers having an improved minimum mold dwell time and reduced block shrinkage are prepared by: (a) mixing together styrene monomer or a mixture of styrene and a cpolymerizable monomer with an organic halogen compound and an expanding agent in an aqueous disperson; (b) adding before or during polymerization to the mixture of (a) from 0.0001 to 0.1% by weight of an epoxidation product of an aliphatic hydrocarbon of which the epoxidated aliphatic chain comprises from 6 to 18 C atoms, this epoxidation product being soluble in the monomers; (c) carrying out a polymerization in the aqueous suspension of (a) and (b) using radical forming initiators at temperatures of 80 DEG  C.-130 DEG  C. to form expandable particles; (d) pre-forming the expandable particles resulting from (c); (e) ageing the pre-formed particles of (d); and (f) molding the pre-formed and aged particles of (e) in a pressure resistant mold.
Patent DE-3123597-A1 (DE)
Inventor: KAMMERER HANS
IPC: B24B41/00
Filed: 1981-06-13
Abstract: 1. Grinding head for hard stone, having a vertical drive shaft, which sets the grinding head in rotation, and having grinding bodies (1) which are circular in cross-section and rotatably mounted, which grinding bodies (1), by means of their surface line (11) facing towards the hard stone surface to be ground, define a plane (3), with the grinding bodies (1) being arranged eccentrically in such a way that the surface lines (11), defining a plane (3), of the grinding bodies (1) are pointed tangentially past the centre formed by the intersecting point of this plane (3) with the axis (2) of the drive shaft, characterised in that the grinding head is rigidly connected to the vertical drive shaft, and the grinding bodies (1) are arranged so as to be freely rotatable in the grinding head.
Patent DE-3123989-A1 (DE)
Title: Closure device for the blow-out side of ventilators
IPC: F24F13/14
Filed: 1981-06-19
Abstract: A closure device for the blow-out side of a ventilator in ventilation and/or air-conditioning installations consists of at least one flap (3) which is movable about stationary bearings (4', 4''). In this connection, the flap (3) is held automatically by force of weight in its closed position in front of the outlet (2), but is pressed in the opposite direction to this into open position by air forces. The closure device is in this connection given a design which ensures that the forces of weight have their greatest intensity in the closed position of the flap (3) while their intensity decreases to an increasingly great extent the closer the flap (3) comes to its end open position. The flap (3) is thus, on one lateral upright edge, suspended in swivel bearings (4', 4'') and acted upon by the forces of weight in such a manner that these engage rotationally on the flap (3) about an axis (9) passing through all the swivel bearings (4', 4''). <IMAGE>
Patent DE-3127882-A1 (DE)
Title: Measurement and recording device for studying and treating hydrocephalus and for monitoring during external drainage of cerebrospinal fluid
Inventor: MORINGLANE JEAN RICHARD DR
IPC: A61M27/00
Filed: 1981-07-15
Abstract: The object of the invention is to permit pre-operative study of CSF dynamics via a measuring system prior to treatment of a hydrocephalus patient. This entails the patient-specific switching points of the recording device being detected. The measurement and recording device is characterised in that the output signal of the pressure sensor (2) is compared with an adjustable target value in a control system (4). The control circuit (10) implanted for treating hydrocephalus can simultaneously be adjusted to a patient-specific switching point. For investigating the particular CSF dynamics of the patient the control circuit and recording system may be located outside the patient's body. During treatment of hydrocephalus a miniaturised design of the control circuit (10) is implanted which uses electrically triggerable magnetic valves (8) without any controlling characteristics of their own. <IMAGE>
Patent DE-3128609-A1 (DE)
Title: Filter bag suspension
Inventor: HOELTER HEINZ ING GRAD
IPC: B01D46/02
Filed: 1981-07-20
Abstract: Filter bags are conventionally attached by screw connections, fasteners or spring catches. These types of connectors are relatively complex both in manufacturing and in assembly. In order to avoid these disadvantages, according to the invention it is proposed that a ring (8) is loosely laid on the filter plate (1) and this ring is retained in the filter plate (1) by the spring ring of the filter bag (2), the filter basket (4) being simultaneously retained in the ring (8) by sprung lugs (3). The attachment lugs (3) are extended high enough so that the clean gas can exit at the position (7) between filter basket (4) and ring (8). <IMAGE>
Patent DE-3131821-A1 (DE)
Title: Seed drill
Inventor: BRESCH ROBERT ING GRAD
IPC: A01C1/08
Filed: 1981-08-12
Abstract: Seed drill, having at least one dressing drum elongate transversely to the direction of travel, mixing elements being arranged within the dressing drum. So that the dressing drum can be filled in a simple way, the dressing drum (3) has a filling orifice (6) at least on one of its end faces. A filling funnel (7) is arranged in front of the filling orifice (6), and a conveying effect directed in the longitudinal direction (10) of the dressing drum (3) can be achieved by means of the mixing elements (9). <IMAGE>
Patent DE-3132735-A1 (DE)
Title: Three-point seatbelt for vehicles
Inventor: DOTARI LUIGI
IPC: B60R22/02
Filed: 1981-08-19
Abstract: In three-point seatbelt systems which have an oblique shoulder strap and a lap strap, it is frequently the case that the oblique shoulder strap stays in a manner which is inconvenient or even dangerous for the user because the strap extends for example in the neck area of the user. This is to be remedied according to the invention in that an intermediate strap which connects the two strap components is provided, which intermediate strap is held so as to be displaceable on the oblique shoulder strap and/or lap strap and so as to be capable of being secured at a selected point.
Patent DE-3138130-A1 (DE)
Title: Compressed-air ram
Inventor: ZINCK EUGEN
IPC: B25D9/08
Filed: 1981-09-25
Abstract: The invention relates to a compressed-air ram for axially insertable tools which consists of a tup arranged in a housing. The housing interior is divided by the tup into a top and a bottom compression or expansion space which can each be alternately connected to a source of compressed air via air-inlet connections and a control valve and have one exhaust-air opening each opened alternately by the tup. A pre-compression space into which the top air-inlet connection leads is divided off in the top expansion space by a plate roughly parallel to the end face of the tup. At least one axial air-inlet opening to the expansion space is arranged in the plate, which air-inlet opening can be closed axially by the tup at its top dead centre, the tup being held axially at its top dead centre by a holding device. In the earlier Patent Application P 3112463.1, the compressed-air ram still consists of a relatively large number of parts, and it is the object of the invention to simplify the construction of the compressed-air ram while retaining all advantages. To this end, an axial extension is provided on the tup, which extension lies in the air-inlet opening at the top dead centre of the tup, a sealing ring arranged in the air-inlet opening bearing with radial pressure in an airtight manner against the extension. The tup is thereby secured in its top dead centre position.
Patent DE-3138616-A1 (DE)
Title: Diamond grinding wheel for working stone
Inventor: STOLL MARTIN ING GRAD
IPC: B24D7/10
Filed: 1981-09-29
Abstract: A diamond grinding wheel (1) for working stone consists of a backing element (2) to be put onto the drive spindle of a hand-operated grinding machine, an annular covering (3) detachably connected to the backing element (2) and consisting of bonded diamond grain, and coolant guide grooves (14) inclined in the peripheral direction on the grinding surface (13). In order to optimize the relationship between engagement surface and applied pressure, the grinding wheel is designed in such a way that the covering (3) between the coolant guide grooves (14) has groove-shaped recesses (15) which reduce the effective grinding surface and are configured in such a way that, when the grinding surface (13) engages on the workpiece, coolant cannot pass to the outside from the centre by virtue of the fact that the recesses (15) are filled with a soft compound (16) up to the level of the grinding surface (13) either completely or only at their outer ends (17) and/or inner ends (18). <IMAGE>
Patent DE-3143341-A1 (DE)
Title: Instrument for indicating a defined volume of liquid, in particular for checking liquid meters in the  mu l range
IPC: G01F25/00
Filed: 1981-10-31
Abstract: The invention proposes an instrument consisting of a liquid receiving vessel (1) and a glass stopper (3) having a cylindrical ground joint (12) and a capillary (4) is used to indicate a defined volume of liquid, in particular to check liquid meters in the  mu l range. The stopper (3) has a scale consisting of at least three rings (6, 7, 8) for the nominal volume and the upper and lower tolerance limits. The invention proposes that the stopper (3) with the ground part (12) completely fills a cylindrical opening (2) of the transfer vessel (1) in the inserted state and the internal volume of the capillary (4) is so dimensioned that the nominal volume is contained between the ground end (10) and the nominal volume ring (6). This construction makes it possible to check liquid meters in the  mu l range particularly easily with an appropriate accuracy. The liquid to be measured is completely received in the capillary (4). <IMAGE>
Patent DE-3151596-A1 (DE)
Title: Electronically commutated DC motor
Inventor: VON DER HEIDE JOHANN DIPL ING
IPC: H02K29/08
Filed: 1981-12-28
Abstract: The invention relates to an electronically commutated DC motor having power semiconductors which are arranged on the stator stack with an insulator between them for cooling. In this case, the motor is constructed as an external rotor motor a flat power semiconductor (50, 51), provided with a heat sink (52, 53), being arranged in each case on the end surfaces of the stator poles (54, 55). A printed-circuit board (28) is provided parallel to the said end surfaces and at a distance from them, and the flat power semiconductors (50, 51) arranged on the end surfaces have elements of the stator winding (24, 25) wound around them. This results in an extremely compact construction and at the same time makes use of the fact that DC motors without commutators have extremely favourable efficiencies and that, in the case of such motors, the stator heats up by only a few degrees in operation and can thus be used very effectively as a heat sink. <IMAGE>
Patent DE-3203389-A1 (DE)
Title: Setting angle gauge
Inventor: SCHLUETER DIETER
IPC: A63H27/133
Filed: 1982-02-02
Abstract: The invention relates to a setting angle gauge, intended in particular for rotor blades of a model helicopter, which comprises a baseplate having a cutout for the rotor blade that is to be guided through, and a pivotably mounted carrier having a pointer and likewise at least one cutout for the rotor blade. The essence of the invention resides in that the cutouts in the baseplate and the carrier have clearance which is larger than the largest profile to be measured of the various rotor blades, and that the carrier has two spring-loaded clamping slides in the region of the cutouts. <IMAGE>
Patent DE-3217479-A1 (DE)
Inventor: SNOEK BOB JOHANN
IPC: A01N25/22
Filed: 1982-05-10
Abstract: The mixture is comprised on the combination of a water-sensitive active substance to combat damages caused to plants or animals or a water-sensitive active substance pertaining to the cosmetic or medical field, together with a cocodiethanolamide. The mixture allows to use active substances which normally decompose in water.
Patent DE-3222433-A1 (DE)
Title: Apparatus for cutting vegetable materials, especially tobacco
Inventor: SAGEMUELLER FRANZ ING GRAD
IPC: B26D1/38
Filed: 1982-06-15
Abstract: The invention relates to an apparatus for cutting vegetable materials, especially tobacco, having a funnel-shaped compression chest into which the material to be cut is poured and in which it is compressed and fed to a mouthpiece arranged at the outlet end of the compression chest, having a knife carrier which preferably rotates about a horizontal axis in front of the mouthpiece, with rotating knives which can be guided past the mouthpiece for cutting purposes, and having a knife-grinding device arranged in the path of rotation of the knives. According to the invention, projecting counter-blades are arranged on the mouthpiece, along which the knives are guided in a grinding manner during each rotation of the cutting process. The apparatus thus performs a self-sharpening cutting operation, and it is an essential feature of the invention that each knife is automatically subjected to subsequent grinding on the oblique knife guard and, at the same time, sharpening combined with grinding takes place by means of the counter-blades on the other side of the cutting edge formed by abrasion. The cutting edge is thus advantageously particularly sharp, and optimum cutting is guaranteed. The measures according to the invention are used in cutting machines with mutually parallel knives. <IMAGE>