baber/WOPTO huggingface dataset:
Patent DE-4036801-A1 (DE)
Title: Copper@ covered circuit board continuous prodn. in double band press - at temp. no higher than glass transition temp. of cured prepreg resin to reduce undulation
Inventor: FASBENDER HELMUT DIPL CHEM DR
IPC: B32B15/08
Filed: 1990-11-19
Abstract: Continuous prodn. of Cu-covered circuit boards involves laminating several plies of prepreg and 1 or 2 Cu covering foils in a continuous double band press at 190-300 deg.C with post-cure of the resin. In the cured state, the resin for the prepreg has Tg equal to or higher than the max. press temp. Pref. the resin consists of an epoxy isocyanurate resin (I), based on diphenylmethane diisocyanate (MDI) and a bisphenol A epoxide resin, and a catalyst. USE/ADVANTAGE - The boards are useful in the electronics industry and may be made into multilayers. The process gives boards with little undulation. (Dwg.0/0)
Patent DE-4036887-A1 (DE)
Title: Mobile security fence with intruder alarm - has optical or electrical alarm conductors incorporated in mesh fence panels
Inventor: HAVERKAMP BERNHARD
IPC: G08B13/12
Filed: 1990-11-20
Abstract: The security fence has individual fence elements coupled together via plug contacts, to fence in a surveillance zone of given size. The frame elements are filled with a material which activates an alarm, eg optical or electrical alarm conductors incorporated in a fencing mesh. ADVANTAGE - Low maintenance requirement and false alarm rate.
Patent DE-4037030-A1 (DE)
Title: Electric fuse insert with granular quench filling - has melting duct closed by vol. reducing shaped body which by force closure ensures mechanical stabilisation of inner quenching means distribution
Inventor: GROH GEORG
IPC: H01H85/30
Filed: 1990-11-21
Abstract: The shaped body of the electrical fusible insert is designed as a contact cap (3) with an elastic deformable, pref. central recess. The contact caps (3) have recesses, which mechanically and electrically contact the fusible conductor (4) and as far as possible the characteristic signal wire (2) additionally around the inner edges of the fuse housing. The method for the improved assembly of the fuse inserts with granular type quenching medium filling, includes the filling with loose quenching medium, after the recommended presealing filled just below the edge. The free space remaining at the upper edge of the melting duct is taken up with an elastic vol. reducing shaped part, so that a pressure is exerted on the quenching medium. USE/ADVANTAGE - Fuse insert with granular type quenching medium filling. Increased breaking capacity, to confine tolerance of current-time curve. Saves material. Operating parameters improved.
Patent DE-4039951-A1 (DE)
Title: Heat resistant adsorption filter with low pressure loss - with plates coated with adsorbent, e.g. zeolite or active carbon@
Inventor: BLUECHER HASSO VON
IPC: B01J20/28
Filed: 1990-12-14
Abstract: A novel heat resistant adsorption filter consists of flat or slightly corrugated plates loaded with heat resistant adsorbents attached by an opt. heat resistant adhesive material. The adsorbents may be opt. hydrophobic zeolites or pitch-based active carbon spherules. Prodn. of the adsorption filter is also claimed. The filter is produced by subjecting parallel stainless steel plates to coating on one side with enamel powder or slip, melting the enamel, scattering heat resistant adsorbents on the enamel, partially cooling and repeating the operations at the other side of the plates. ADVANTAGE - The filter has low pressure loss, excellent adsorption kinetics and excellent heat resistance.
Patent DE-4100165-A1 (DE)
Title: Vapour concentrate separator - in multichamber circular evaporator, has additional vapour sepn. tube from upper area to heating chamber
Inventor: PARTES FRANZ
IPC: B01D1/12
Filed: 1991-01-05
Abstract: In a circulator evaporator sepn. heating and prod. collection chambers are divided by vertical sheet metal panels. Additional vapour sepn. tube is contrally incorporated which reaches from the upper area down to the heating chamber where it is closed. This is further subdivided into chambers by the metal panels which have height-transposed apertures connecting to the heating chambers. Free cross section of the vapour apertures and free cross section from the upper edge of the central vapour tube to the top of the unit is 1.3-1.7 times that of the free cross section of the respective vapour tube chamber. USE/ADVANTAGE - The evaporator can be used to concentrate water pressed from fish. Arrangement results in low vapour pressure loss and requires only a small space. Separator chambers have no projections, have a high sepn. efficiency and produce high quality condensate. Central vapour tube is easy to remove and clean.
Patent DE-4100591-A1 (DE)
Title: Return valve for metering pump - has two housing halves with designed location for seal at interface
Inventor: JAEHN PETER DIPL ING
IPC: A01K7/02
Filed: 1991-01-11
Abstract: A return valve particularly for a metering pump, comprises two housing halves (3, 4) sealed against each other. Each half has at least one flow channel (9, 11). The first housing half (3) has a central recess (11), in which a closure (16) is located. The closure comprise a plate (17) with a locating plug (18) and centralising cone (19) inserted into the second housing half. The second housing has a circular section (12) protruding into the first half, forming a location for a tensioned seal (15). ADVANTAGE - Guaranteed sealing at higher pressures.
Patent DE-4104234-A1 (DE)
Title: Reinforcing element for lightweight concrete panel
Inventor: KESTING LORENZ
IPC: E04C3/09
Filed: 1991-02-12
Abstract: The structural element is formed from a panel made of aerated concrete enclosed in a rectangular metal frame (1) with cross-members (15 to 25) formed from metal angle sections which reinforce the concrete panel.     The reinforcing members consist of sheet metal angle sections formed from metal strip folded along a longitudinal line. Tongues are stamped out of each flange with the tongues of one flange projecting outwards whilst the tongues of the other flange project inwards. The flanges of the section are at 90 deg. to each other.
Patent DE-4109413-A1 (DE)
Title: Closure for pressure container containing high viscous fluids - has displaceable seal to release pressure before full opening
Inventor: KNETSCH GERHARD
IPC: B65D51/16
Filed: 1991-03-22
Abstract: The lid is detachably connected by a screw thread. The seal (11) is fixed on the lid (5) which has a pressure release opening formed by a radial bore (13) at a point behind the sealing plane in the release direction but at a distance from the end of the screw thread (7,8). The opening edge (2) pref has an outer thread (4) and the lid (5) has an inner thread (7). The inside of the lid can have a ring groove (10) for the ring seal (11). When the lid is unscrewed the ring seal is lifted to allow pressure release. ADVANTAGE - Safer use with no sudden pressure bursts on releasing the lid.
Patent DE-4111128-A1 (DE)
Title: Bottle stopper with removable container - has to recess, with container, filled with fluid-absorbent foam
Inventor: ULSMID FRANZ
IPC: B65D51/28
Filed: 1991-04-06
Abstract: The bottle is e.g. for cosmetics. The bottle stopper carries a small removable container, which can be used as a refillable container, while travelling. The stopper is screwed-on, or pushed-on. The top surface of the stopper has a recess, enclosed by a raised edge of the stopper. A small removable container is placed in the recess. The small container is filled with a fluid-absorbent foam, which has a projecting domed end. For location on a round-topped stopper, it may have an e.g. inward-projecting base, with a central projecting pin. This fits into an opening in the top of the bottle stopper.
Patent DE-4115506-A1 (DE)
Title: Composite chair with two surfaces - has one connecting side, and expander piece, support frame, with U=shaped bracket
IPC: A47C7/44
Filed: 1991-05-11
Abstract: The invention concerns a chair which can be dismantled and re-assembled and which is designed to adapt automatically, in accordance with human-engineering principles, to the position of the body of the occupant. During a transformation (Fig. 1), two plane surfaces (1, 2) can be moved, by support elements (4u) and frame components (4o), into a convex (1k, 2k) and at the same time transversally reinforcing (Fig. 2) yet longitudinally elastic position of use in which they have unsupported and freely flexing ends (1s, 2r) and loosely abutting (4c) ends.
Patent DE-4119339-A1 (DE)
Title: Spring mechanism for bicycle - fits in or partly outside slot of fork arm
Inventor: GRIESEL HEINRICH
IPC: B62K25/14
Filed: 1991-06-12
Abstract: The conventional slot (1) of the bicycle fork arm (2) is spring-connected by means of a union plate of metal (3) and the spiral spring (4) with the axle (5) of the front wheel. The spring combination (1-6) can also be formed by other corresp.  construction means. The system is sufficiently simple to adopt that it can be fitted to existing bicycles without submitting them to a specialised workshop, and it is installed in the extended slot completely within the fork arm (2). It is effected by means of steel springs or elastic buffer components of rubber or plastics, or by other materials with sprung characteristics. USE - As a sprung support for the front wheel fork of a bicycle.
Patent DE-4121246-A1 (DE)
Title: Stepper motor for motor vehicle dashboard displays - has electronic control unit cong. input filter, microprocessor, ROM, EPROM or EEPROM and drive stage
Inventor: HELMERS GERALD
IPC: H02K37/00
Filed: 1991-06-27
Abstract: A self-sufficient encased stepping motor for motor vehicle dashboard indicators is integral with the electronic control system: the filtered microprocessor, ROM, EPROM, or EEPROM and driver. The EPROM allows adaptability for application in various models. There is no electromagnetic shielding requirement. ADVANTAGE - Unit is economically replaceable and easily adaptable and hence suited to mass prodn.
Patent DE-4122165-A1 (DE)
Title: Two-temperature refrigerating plant for independent freezer and cooler - has a compressor, a condenser, two self-contained evaporators for different temperature compartments and a switch over valve structure
Inventor: EGGERT FRANS KARL
IPC: F25B5/02
Filed: 1991-07-04
Abstract: The switch-over valve structure (5) consists of two magnetic valves. One is a two-way switch valve (6) and the other a three-way (7). Its admission is linked to the outlet (4) of the condenser (3) and its two outlets are linked via respective expansion devices (, 13) (e.g. capillary tubes) to the admissions of the evaporators (10, 14). The outlets (16, 16a) of the evaporators are linked via check valves (19, 21) in the opening suction direction to the suction pipe (17) of the compressor (1). This enables not only supply of cooling agent to each self-contained evaporator (10, 14) but also to defrost them individually by isolating each one or both of them as necessary. Each compartment (11, 15) is equipped with its own thermostat (22, 23) and its own controlled defrost device (30, 31). A main control device (26) controls the individual thermostats of both lower and higher temp. compartments, the two magnetic valves, the compressor and the defrost devices. ADVANTAGE - Each evaporator can be optimised for its own purpose. Total efficiency of refrigerator is improved and defrosting power can be lower.
Patent DE-4125412-A1 (DE)
Title: Electric steam iron with steam generator - has water supplied via water duct featuring special valve device
Inventor: ZINSBERGER ALFONS
IPC: D06F75/18
Filed: 1991-07-31
Abstract: An electric steam iron incorporates a heated base and a steam generator, which is supplied with water from a water container located above the base via a water duct. The water duct is equipped with a valve device (50) which closes the water duct when the base is tilted out of the ironing position. The valve device (50) features a first duct section (52) with a bottom (54) parallel to the iron base. This section (52) incorporates a valve ball (56) which rolls freely with clearance. The first duct section is adjoined by a second section (60), which tapers conically away from the first section to reach a diameter that is smaller than that of the valve ball (56). ADVANTAGE - The simple valve device is reliable in effecting the supply of water to the steam generator when the iron is slightly inclined from the ironing position.
Patent DE-4132146-A1 (DE)
Title: Controlling subscriber terminals to establish connection - using central control for conversion of pulse into message for answering machine when calling subscriber hangs up
Inventor: GERICKE HARALD
IPC: H04M3/533
Filed: 1991-09-26
Abstract: The subscriber terminals of a communication system (KS), particularly answering machines, are controlled for establishing connection between a calling subscriber and the answering machine (A), which contains a memory with a spoken text. On the calling subscriber replacement, a central control (DP) converts the replacement pulse into a message for interrupting the voltage supplied (SP) to a subscriber circuit (SLMA) to interrupt the answering machine for a defined time period. Pref. a partial control (IOP) converts the control message into corresp. control pulses for the voltage supply. USE/ADVANTAGE - PBX systems, conference systems etc., with  facility for providing answering machine readiness after calling subscriber's hang up.
Patent DE-4135275-A1 (DE)
Title: Room dividing wall - is supported on feet formed from two L=shaped clamps mounted back to back
Inventor: AUER KARL-HEINZ
IPC: E04B2/82
Filed: 1991-10-25
Abstract: A dividing wall or partition (1), which is easily erected and dismantled, is supported on feet (1). Each foot is constructed from the L-shaped members (7a,7b). The vertical leg of each L shaped member has a longitudinal groove of semi-circular cross-section. The two L-shaped members are bolted back to back so that the vertical bar (2) is clamped between them. The bar is additionally secured by clamping screws (17) which engage tapped holes in the L-shaped members. The adjoining regions of the horizontal legs of the L-shaped members (7a,7b) have recesses (29a,29b) to receive the head (5) of a fixing screw (4) which screws into the lower end of the bar 92). USE/ADVANTAGE - Feet for a dividing wall with simple means to adjust height of wall.
Patent DE-4137070-A1 (DE)
Title: Leak testing chamber for e.g. weld seams - fits closely over test article and seals all openings but admits e.g. halogen to one with vacuum and leakage detector connected to another
Inventor: SOLGER NORBERT
IPC: G01M3/22
Filed: 1991-11-12
Abstract: A leakage testing chamber, for testing articles which have joints, axially surrounds the article accurately (at least in length) and has split line by the mid-plane or along the one surface of the article; the chamber has also a circumferential recess covering the joint to the tested and connected to the source of gas used; the axial openings in the article are sealed off, and at least one seal has an opening for connection to a vacuum and to a leak detector. The parts of the chamber are pref. made of an elastomer, alternatively of a rigid plastic material or metal but with elastomer joints; the seals are pref. of soft polyurethane or silicone. ADVANTAGE - The product is suitable for connecting up to an automatic testing apparatus. It can test just the areas which alone are liable to leak, without pollution of the atmosphere.
Patent DE-4138118-A1 (DE)
Title: Melting-down and refining unit for steel - consists of two adjacent furnaces with lid mechanisms operated simultaneously, for melting down and refining-overheating the melt
Inventor: CANBEK NECMETTIN
IPC: C21C7/00
Filed: 1991-11-19
Abstract: The melting-down and refining unit consists of two adjacent furnaces provided with lid mechanisms. These furnaces are operated simultaneously. Melting down of the charge material takes place in one of them, while refining and overheating of the melt takes place in the other. The furnaces are mounted on a revolving structure and after the end of the melting-down process exchange their positions w.r.t. the fixed lid mechanisms which are at least partially provided with means for reception of the initial material. In another embodiment the furnaces are fixed, while the lid mechanisms can be swivelled to exchange their positions. USE/ADVANTAGE - Can be used in the metallurgical industry. In contrast to known installations employed for remelting and refining metal entry material, it basically eliminates the dead time from the process cycle.
Patent DE-4139624-A1 (DE)
Inventor: MAYER HORST DR
IPC: C07D251/16
Filed: 1991-11-30
Abstract: Preparation of 6-trifluoromethyl-1,3,5-triazines I <IMAGE> (R<1> = H, R<1>, R<2> = C-organic radicals> by reacting salts of an N-amidino-S-alkylisothiourea II <IMAGE> (R<3> = C1-C10> with trifluoroacetic acid derivatives III and a strong base IV to give 6-trifluoromethyl-1,3,5-triazines V <IMAGE> and reacting the products V with alcohols VII  R<2>-OH VII  in the presence of a base. The triazines I are valuable intermediates for crop protection agents.
Patent DE-4201510-A1 (DE)
Title: Suspended sliding door - has bottom rib detachable engaging with threshold guide to allow swinging clear
Inventor: SANTESSON PER-OLOF
IPC: A47K3/34
Filed: 1992-01-21
Abstract: The sliding door has a leaf suspended via a guide bar from a top profiled guide member (4), along which it can be moved. At the bottom it travels in a profiled threshold (5) or frame member. It can be uncoupled from the latter so as to allow hinging on an axis parallel to the guide member and away from the threshold. A guide (24) for the leaf bottom is integral with the threshold or fixed immovably to it. At the bottom of the leaf is a guide rib (22) with a portion (23) engaging with the threshold guide. This can be freed from the latter so as to allow the hinging movement. ADVANTAGE - Dirt does not accumulate in threshold guide.
Patent DE-4208027-A1 (DE)
Title: Pure melamine isocyanurate prepn. - from melamine and isocyanuric acid in purified water, used as polymer flame retardant and white lubricant
Inventor: RAMHOLD KLAUS DR
IPC: C07D251/54
Filed: 1992-03-13
Abstract: Prepn. of melamine isocyanurate (I) comprises reacting equimolar amts. of melamine and isocyanuric acid in aq. suspension at 80-100 deg.C under atmos. pressure with a reaction time of at least 0.5 hour. The novelty is that reaction is carried out in deionised watr free of other organic materials. The obtd. suspension is worked up conventionally. USE/ADVANTAGE - (I) is a flame retardant for polyamides, epoxy resins, polyurethanes and polyolefins. It is also a white lubricant for applications in which known lubricants (e.g., graphite or MoS2) have an unacceptably dark colour (e.g., in textile machines). (I) are prepd. with high purity (e.g., 99.85%, excluding up to 0.4% residual moisture) and conversion, by a simplified process not requiring accurate pH adjustme
Patent DE-4208935-A1 (DE)
Title: Electrically heated tool handle e.g. for chain saw - has elongate heating element fitted into reception space in elastomer cover for handle rod
Inventor: NAESLUND ULF WILHELM
IPC: H05B3/30
Filed: 1992-03-19
Abstract: The tool handle, comprises a central tube (19), fitted with an elastomer cover (21). The heating element (10) comprises an elongate metal rod (11) carrying a resistance heating wire (13), fitted into a corresponding elongate hollow reception space (21) within the elastomer cover (21), parallel to the axis of the central tube (19). The electrical supply leads for the electric heating element (10) are fed through the centre of the tube (19). The reception space (21) for the heating element (10) has a T shaped cross-section. ADVANTAGE - Effective heating of tool handle.
Patent DE-4209791-A1 (DE)
Title: Hydraulic circuit for supplying double acting motor - uses pressure controlled switching valve to control direction of flow.
Inventor: SEYFFER SIEGFRIED DIPL ING
IPC: F15B13/02
Filed: 1992-03-26
Abstract: Hydraulic device for the supply of a double acting motor (11) having a pressure control valve intermediate plate (13) for a control (10) which provides pressure control in the user channel (A B) in one direction, and free flow in the other. A control pipe (31) leads to a tank channel (22) and a pressure controlled switching valve (32) is able to block the flow in the control pipe and so cancel the self-locking properties of the pre-controlled pressure redn. valve (27) on a reversal of flow. USE/ADVANTAGE - Hydraulic control device which can carry out the required functions in a relatively simple manner.
Patent DE-4210402-A1 (DE)
Inventor: KOBASHI KOJI
IPC: H01L29/872
Filed: 1992-03-30
Abstract: A diamond Schottky diode comprises an electrically conductive substrate 1 e.g. of silicon, a multi-layer structure of a semiconducting diamond layer 2 and an insulating diamond layer 3, and a metal electrode 4 e.g. of Al. The diode has a greater potential barrier under a reversed bias and hence exhibits better rectifying characteristics with a smaller reverse current. An ohmic electrode 5 of copper is attached with silver paste to the substrate 1. The diamond layers are deposited by CVD and the layer 2 is doped with boron. <IMAGE>
Patent DE-4211628-A1 (DE)
Title: Vehicle active suspension system - has gas springs with pressure control chamber whose volume is changed by bellows operated by piston
Inventor: WALLENTOWITZ HENNING DR
IPC: B60G21/10
Filed: 1992-04-07
Abstract: The active suspension system has gas springs between the vehicle superstructure and the wheel-carrying elements. Each gas spring has a compressible gas chamber connected by a pipe to a control chamber whose volume is adjustable using a control piston. The piston bears on a bellows arrangement on the end of the chamber, the rolling surface of the piston having a concave shape in cross-section and being circularly symmetric. The piston is designed so that the force used to increase or decrease the pressure in the chamber through corresponding volume increase or reduction is always constant. The piston can be displaced mechanically and/or pneumatically and/or hydraulically and/or electrically, esp. electronically. ADVANTAGE - Compact and effective design which can be adapted in many ways.
Patent DE-4212700-A1 (DE)
Title: Laundry dryer with easy maintenance and cleaning - has motor driven blower, heat pump circuit comprising evaporator, compressor and condenser, all mounted in box that can be pulled out, etc.
Inventor: KLUG HANS-JOACHIM DIPL ING
IPC: D06F58/20
Filed: 1992-04-16
Abstract: Dryer incorporates a motor-driven blower, which guides the process air in a closed process air duct through the laundry drum. A heat pump circuit is provided for precipitating the dampness carried along with the process air out of the laundry drum and comprises an evaporator (3), a compressor (5) and a condenser (4). These components, opt. together with the process air duct, are mounted in a box (6) which is positioned in the dryer housing so it can be removed or pulled out to the front. ADVANTAGE - Permits maintenance and cleaning work to be carried out easily on the heat pump circuit.