baber/WOPTO huggingface dataset:
Patent DE-2425029-A1 (DE)
Title: General use double screw coupling - screw and contra rotating screw fitting in sleeve of first screw
Inventor: LEDEBUHR HANS
IPC: F16B37/14
Filed: 1974-05-24
Abstract: The design overcomes the difficulty that the required holding properties of normal woodscrews and fastenings are reduced as the wood dries out. It also fixes securely components with small wall thickness. The screw has specified holding properties. It consists of a tubular sleeve with an internal thread in a blanked off hole and a countersunk screw head. The screw fitting in the other side holds the elements together. The first screw which is slightly tapered has a screw thread on its outer surface. An additional design has a normal screw head instead of the counter sunk head.
Patent DE-2432845-A1 (DE)
Title: Optical control structure for hollow workpieces - has driven brush roller and driven counter roller with additional workpiece support
Inventor: THEISSEN DIETER DIPL ING
IPC: B24B5/18
Filed: 1974-07-09
Abstract: An optical control structure on the casing face of hollow body type workpieces is set up by means of a rotating wire brush which generates the brush line on the workpiece where the workpiece (3) is brought for machining between a driven brush roller (1) and a driven smooth counter roller (2). The distance between the two rollers (1, 2) is less by such a small amount than the diameter of the workpiece (3). The workpiece is addionally supported by a guide mechanism which produces a three-point support. Specifically, the brush and counter rollers (1, 2) and the guide mechanism (8) can be adjusted relative to each other according to different workpiece diameters.
Patent DE-2441583-A1 (DE)
Title: Energy giving transmission for car - with engine driven flywheel and motor generators on flywheel and driven axle
Inventor: KOERNER HELMUT
IPC: B60K1/00
Filed: 1974-08-30
Abstract: The energy saving transmission is fitted with a flywheel (4) which stores kinetic energy and which is coupled to the drive by a clutch when extra torque is required, i.e. for starting or overtaking. The low power engine (1) drives the transmission via an epicyclic gearing to which the flywheel is selectively coupled. The engine also drives a motor/generator (2) coupled to a control (16) with a similar motor/generator (3) on the rear axle. The rear axle generator (3) is used to store energy in the flywheel through regenerative braking, by driving the flywheel via the front motor/generator.
Patent DE-2446961-A1 (DE)
Title: Envelope opening device - with tear open cord attached to folded edge of envelopes
Inventor: BAECKERALF HANS
IPC: B65D75/66
Filed: 1974-10-02
Abstract: Envelope opening device suitable for all DIN sizes as well as for packets, parcels and packages of every type. An organic or an inorganic tear open cord knotted several times with fine graining within the upper knot area is inlaid into the folded edge of the envelope or the folded over edge of packets or parcels permitting the tearing open of the closure easily and without using any degree of force. The free end of the tear open cord which lead out of the closed envelopes are shaped as handle grip sections. In the case of parcels the cords and grip sections are attached to all four ends.
Patent DE-2447351-A1 (DE)
Title: Engine ignition system - has additional transistor complementary to switching one between supply and control output point
Inventor: RUF WALTER
IPC: F02P3/05
Filed: 1974-10-04
Abstract: The system is supplied from a d.c. source incorporating an ignition coil primary in series with the emitter-collector portion of a switching transistor. The connection from one pole of the D.C. source is divided to pass through this portion, and also through the emitter-collector portion of a preliminary transistor, followed by a control resistance, to a switching point. From this a connection leads via the coil primary to the other pole. The preliminary transistor is complementary to the switching transistor and a connection point between control resistance and preliminary transistor forms the control output point for the switching transistor. The emitter-collector portion of the preliminary transistor is in series with that of an additional transistor, likewise complementary to the switching transistor, between the supply connection and the connection point forming the switching transistor control output point.
Patent DE-2457631-A1 (DE)
Title: Layered wire winding for transformer high voltage coil - with outer layers shortened to reduce electrical stresses
Inventor: ALTMANN GERHARD DIPL ING
IPC: H01F27/28
Filed: 1974-12-06
Abstract: In HV windings made from fine wire the sharp corners of the coil can cause undesirable stress concentrations which may lead to discharges. By stepping down successive layers (4), for example, on that side of the coil facing the LV windings, (1), the HV coil shape can be made to approximate to that of an electrostatic screen and thus reduce the stress concentration to quite safe levels. The outer face of the coil may be similarly rounded to reduce the stress between coil and tank. To be effective the LV winding must be at least as long as, and preferably longer than, the HV winding.
Patent DE-2458803-A1 (DE)
Title: Reducing the fretting of metal surfaces subjected to friction - where lubricant contains metals forming a bearing eutectic on the surface
Inventor: GRAUE GEORG DIPL CHEM DR PHIL
IPC: C10M173/02
Filed: 1974-12-12
Abstract: Process and means for the continuous formation of eutectic, metmetallic, surface solder, on metal surfaces subjected to frictional wear or fretting, by the electrochemical interchange of metal atoms, in which the lubricants used to reduce friction contain electrochemically effective metal cpds. in which the cations are more noble than the metal exposed to fretting. In the case of aq. lubricants or emulsions, water-soluble inorganic metal salts are pref. added, where the metal atoms are continuously interchanged with the metal subjected to fretting, possibly after decompsn. of the salts due to the pressure and temp. Alternatively, the lubricant can be an oil contg. soluble organic metal cpds. or complexes. The redn. of fretting corrosion, esp. where the metal exposed to friction is iron and the lubricant contains metal(s) which form a thin layer of "bearing metals" with the Fe. The tin layer of bearing metal or alloy flows readily by plastic deformation into the minute valleys on the fretting surfaces, forming a smooth surface with excellent bearing properties. Suitable metals forming the eutectic are e.g. Cu, Ni, or Zn-Cu-Pb.
Patent DE-2505979-A1 (DE)
Title: Apparatus for glueing plates to films - having film-pressing roller mounted in freely rotatable manner on driven crankshaft
Inventor: HALBERT HEINRICH
IPC: B29C63/02
Filed: 1975-02-13
Abstract: Appts. for glueing plates, rods or sheets esp. chipboard to films, esp. plastic films, with a thermally activated adhesive has rollers for continuously transporting the sheets, a storage roll for continuously supplying the films, a heating device for heating the film and/or sheets, and rollers for pressing the film against the sheet. AT least one pressing roller is mounted in a freely rotatable manner on the cranked part of a driven crankshaft. Simple construction. Provides intimate bonding of the activated adhesive with both the film and the sheet. Easily adapts to different sheet thicknesses. Avoids formation of folds in the film.
Patent DE-2518720-A1 (DE)
Title: Pointer mechanism for measuring instruments - with electrical switch for reliable and simple testing of operational readiness has rocking arm between two plates
Inventor: WIEBROCK GUENTER
IPC: G01D3/10
Filed: 1975-04-26
Abstract: A pointer mechanism for use in measuring instruments such as pressure gauges, thermometers, etc. has a rocking arm mounted between two plates, driven by a measured generator and interacting with an actual value indicator. An electricity safety contact (19) is mounted on a further plate, and the rocking arm is provided with a switching contact (20) which energises the safety contact at a given measured value. The safety contact is pref. A reed contact and the switching contact is pref. a magnet. Pref. the safety contact is mounted on an adjustable plate (21) to permit alteration of the switching arm (25) connected to the rocking arm.
Patent DE-2522921-A1 (DE)
Inventor: NAGATA SEIICHI
IPC: H01L21/203
Filed: 1975-05-23
Abstract: 1515571 Vacuum depositing semi-conductors MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 19 May 1975 [23 May 1974 7 June 1974 (2)] 21146/75 Heading C7F [Also in Division H1] In molecular beam epitaxial deposition of a compound semi-conductor the conductivity type or composition of a selected region 22 of the epitaxial layer is caused to differ from that of the remainder 21 of the layer by the selective heating, during deposition, of the region 22 by means of a beam 30 of concentrated energy such as an electron beam or laser beam. In one Example Ge-doped GaAs is epitaxially deposited on a GaAs substrate 2 using molecular beams from respective Ge and GaAs sources. Firstly a uniformly n type layer 20 is deposited on the pre-heated substrate 2 using no concentrated energy beam, but when the beam 30 is scanned across the region 22 during a second deposition stage the Ge deposited in the additionally heated region 22 becomes an acceptor (Ge being an amphoteric dopant in GaAs) and the resulting layer has a p type strip 22 in otherwise n type material 21. In another Example GaP and GaAs sources are used for the molecular beams to deposit a GaAs x P 1-x  mixed crystal. When an area of the surface is selectively heated by a beam of concentrated energy the material depositing on the selected area contains a higher concentration of P (i.e. lower value of x) than elsewhere in the layer. An Al molecular beam may additionally be used in this example. Preferred apparatus, temperature conditions, &c., are disclosed for both Examples.
Patent DE-2537571-A1 (DE)
Title: 3,5-Diphenyl-pyrazolium herbicides - including chlorides, bromides, perchlorates, methylsulphates, 2,4-dichlorophenoxy-acetates
Inventor: CROSS BARRINGTON
IPC: C07D231/12
Filed: 1975-08-22
Abstract: Cpds. of formula (I) (where R1 = opt. branched 1-5C alkyl, allyl or benzyl; R2 = opt. branched 1-5C alkyl; or naphthyl; R4 = 1-22C opt. branched alkoxy, 3-4C opt. branched, opt. halo-substd. alkenyloxy, opt. branched 3-4C alkynyloxy, -O(CH2)n-W, 1-22 C opt. branched alkylthio, 1-22 C opt. branched alkylsulphonyl, R6 = H, methyl or phenyl ; U, V = H, 1-4C alkyl, 1-4C alkoxy, nitro or CF3 W = halo, cyano, 1-7C alkoxycarbonyl, 1-7C 1-7C alkylthio, 1-7 C opt. branched alkyl sulphonyl, benzylthio or benzylsulphonyl; Z,Z1 = H, halo, opt. branched 1-12C alkyl, opt. branched 1-4C alkoxy or phenyl; X = anion having a negative charge of 1-3; m = 1,2 or 3; and n = 1,2,3 or 4) are used as herbicides.
Patent DE-2538478-A1 (DE)
Title: Warping drum drive - has a compensating unit to eliminate free play in the support drive transmission
Inventor: MAROTZ ERWIN
IPC: D02H13/00
Filed: 1975-08-29
Abstract: The appts. provides synchronised rotation of a warping drum and the support of a warping machine. The warping machine has an automatically-operating compensating unit to eliminate ang free play in the transmission of the support drive. The design ensures that compensation is made for any free play in the screw drive without any need for manual adjustment.
Patent DE-2551164-A1 (DE)
Title: Cyanuric chloride soln. or suspension in water-contg. solvent - with min. hydrolysis by mixing in liq. form under controlled temp. conditions
Inventor: BITTNER FRIEDRICH DR
IPC: C07D251/28
Filed: 1975-11-14
Abstract: Liquid cyanuric chloride and the organic-aq. solvent are mixed, and agitation, so that the liquid cyanuric chloride is conducted at between its m.pt. and 200 degrees C at a rate VCy (in kg/hr.) into the flowing organic-aq. solvent, the resulting flowing mixt. being cooled to the desired storage temp. within not more than 3 mins. of contacting the cyanuric chloride with the solvent. The value of VCy is given by the equation: In the equation, P is the concn. (wt.%) of cyanuric chloride desired in the soln. or suspension. PLM is the concn. of cyanuric chloride in the solvent used (and may be zero). VLM is the charge rate of solvent in kg/hr. PLM, VLM and TL, (temp. of the solvent used) must be so chosen that the expression does not exceed to boiling temp. (degrees C) of the solvent (Cp(LM) and Cp(Cy) being the specific heat capacities (cal. g-1. degree-1) of solvent and cyanuric chloride, respectively). Cyanuric chloride is used as an intermediate for e.g. herbicides, vulcanisation additives, etc. Process allows suspensions or solns. of cyanuric chloride in water-contg. organic solvents to be produced without significant hydrolysis.
Patent DE-2552938-A1 (DE)
Inventor: ARIOLI AMEDEA
IPC: D06B1/02
Filed: 1975-11-26
Abstract: 1507633 Fabric loop steamer ARIOLI & C Srl 6 July 1976 [8 July 1975] 28021/76 Heading D1L Fabric loop steamer comprises a downwardly open chamber 1 provided with a pair of rolls 13, 14 in the upper portion thereof between which the loop 21 forms, the speed of the input roll 13 being higher than the output roll 14 to allow for shrinkage. The speeds of the rolls are controlled by sensors 23, 24 to maintain the length of the fabric loop and hence the degree of shrinkage constant. Steam is discharged into the chamber from an aperture 8 in communication with passages 4 and 5 in the side and top walls 2, 3 respectively. The steam is supplied or generated at the bottom of side passage 4 and withdrawn from the chamber by suction manifolds 9. For combined saturated and superheated steam treatment the chamber (26) adjoins a further steam chamber (25) [Fig. 3 (not shown)] provided with a conveyor (40). The steaming operation may also be combined with scouring and bleaching treatments.
Patent DE-2553387-A1 (DE)
Title: Milling cutter for window openings - has part circular recess in opening corner to accommodate mitre of window fixing
Inventor: BRICHTA ROLAND
IPC: B27M3/18
Filed: 1975-11-27
Abstract: The automatic drilling machine for cutting out window openings in doors performs an ordinary cut which produces rounded corners, at which it cuts out a larger area (5) to eliminate the need for subsequent cutting of the corners to allow insertion of the window retaining means. Pref. the drill can be controlled horizontally and vertically, or includes a second drilling portion above the first and having a larger dia. for performing the ordinary cut. The mitred window pane retaining means (6) which is inserted in the window opening (2) is pref. in two parts, one of which (6a) encompasses the edge of the window opening in a U-shaped configuration, while the other part (6b) is connected to the first part after insertion of the window pane.
Patent DE-2557286-A1 (DE)
Title: Injection or ignition timing adjustment system - has combustion chamber pressure signals integrated with piston position signals to advance or retard ignition
Inventor: BERNER ARMIN
IPC: F02P5/155
Filed: 1975-12-19
Abstract: The combustion chamber is provided with an electronic pressure sensor to give signals corresponding to working pressures. The engine fly wheel is provided with marks at top and bottom dead centres which are detected by an electronic switch. Ignition occurs shortly after TDC on engine start. The time for a half engine revolution is electronically divided. An impulse transmitter produces a frequency proportional to pressure alterations. The impulses are counted and the compression stroke count is deducted from the working stroke count to produce a signal (A). The ignition takes place earlier on the following working stroke. Should the signal (A) increase, the ignition is again advanced. Should the working pressure exceed its threshold, the ignition is retarded, and if the signal decreases the following ignition is retarded.
Patent DE-2557433-A1 (DE)
Title: Battery with pressure release device - consists of plate whose welds tear open at overpressure to prevent explosion
Inventor: ROSANSKY MARTIN G
IPC: H01M2/12
Filed: 1975-12-19
Abstract: The battery has a pressure release device to reduce the risk of explosion from pressure build-up inside the housing. The housing is pot-shaped and has its open and provided with a lip that holds an insulating ring. The ring is closed by a cover plate. The cover plate (20) has a central hole. The hole is closed by a deformable plate (22) spot welded at two places onto the cover plate and provided with a welded joint (30) above the hole. When the pressure inside the housing exceeds acceptable limits this weld, or the spot welds, are broken and the internal pressure is reduced. The plate remains deformed.
Patent DE-2601620-A1 (DE)
Title: Regeneration of ion exchanger pre-exchanged with ions - which can be removed by electrolysis, comprises treatment with acid or base and simultaneous electrolysis
Inventor: FRESENIUS WILHELM PROF
IPC: B01J49/30
Filed: 1976-01-17
Abstract: The ion exchange (I), exchanged with ions (II) which can be removed from aq. soln. electrolytically or galvanically by deposition or decompsn., is treated with the stoichiometric amt. of acid or base, in aq. soln., for the replacement of all exchangeable sites of (I) and, at the same time, the aq. soln. is electrolysed to deposit or decompose (II). If ions (III) which cannot be removed in this way or can only be removed with difficulty are present, the soln. is treated with a highly conc. (II) soln. and/or with ions (IV) of higher exchange potential, which can be removed electrolytically or galvanically, before electrolysis. Esp. used for the regeneration of (I) used for desalination of sea water; and also (I) used for demineralisation of boiler feed water, radioactive waste liquor processing and Cu recovery from the pptn. bath in rayon mfr. The min. amt. of soln. is needed for regeneration and a conc. soln. is obtd. which can be utilised or processed economically. In an example, a cation exchanger, satd. with Na+ (from NaCl soln.), was treated with conc. FeCl3 soln. The filtrate was electrolysed, whilst the exchanger was treated with H2SO4 and electrolysed to regenerate the H+ form.
Patent DE-2601914-A1 (DE)
Title: Reinforcing chain links of dredges - by applying a hard metal deposit by welding
Inventor: KRETZSCHMAR EBERHARD
IPC: B23K35/30
Filed: 1976-01-20
Abstract: Chain link bores of bucket conveyor excavators are reinforced to reduce the wear due to metal/metal friction, metal/metal-grain friction and mineral friction, and wear due to impact stresses by applying a weld deposit using three or more high alloyed stainless steel electrodes of type X5 CrNiNb 25.13 together with a powder mixt. composed of 70-75% ferrovanadium, 12-15% graphite, 4-6% ferromolybdenum, 7-9% Cr, and 2-4% Ni, the volume ratio of powder to consumable electrode being 2:1 to 1:1. Instead of a powder mixt. sheathed electrodes can be used with a core of steel wire type X12 CrNi 30.10, the sheath being composed of 50% ferrovanadium 16% ferrochromium, 8% Ni, 9.2% graphite, 1.3% ferromolybdenum, 6% chalk, 5% Ca fluoride 2% feldspar, 1% mica, 1% kaolin. The series of electrodes are held in a swivelling device and arranged so that they do not touch each other and fit over the bore hole so that the link can be reinforced or repaired by welding.
Patent DE-2612231-A1 (DE)
Title: Fast response thyristor drive for DC motors - has limiting chokes connected to anti:parallel thyristor pair forming full:wave rectifier circuit output to second motor terminal
Inventor: MALL HANS-GEORG DIPL ING
IPC: H02P7/03
Filed: 1976-03-23
Abstract: The fast response thyristor drive circuit for DC motors consists of a mains transformer (5) with secondary centre tap connected to one side of the motor (9) and chokes connected to each side of the secondary (6, 7). Each choke is connected to a pair of anti-parallel-connected thyristors (2) forming a full-wave rectifier circuit whose output (8) is connected to the second motor terminal. Each thyristor gate is connected to a firing angle control unit (11) and associated control amplifier (12). The amplifier input is provided by a control voltage amplifier (13) driven from a speed control input (14). These two stages are also controlled by a voltage derived from a tachometer directly coupled to the motor. Circuit current-limiting is largely provided by the impedance due to the choke coils.
Patent DE-2613193-A1 (DE)
Title: Profile fillet retention lip - is sufficiently thin and long to roll up on fillet removal from retention flange
Inventor: EGGERT FRANK
IPC: B60J10/16
Filed: 1976-03-27
Abstract: A profile fillet is adapted for positioning on a retention flange. The fillet is U-shaped, and the holding lip of the fillet locates on the retention flange and is made of soft material, which is supported by a support surface which is wedge-shaped in cross-section, narrowing towards it opening. The lip (11) is of such a thickness and length that when the profile fillet (1, 2) is withdrawn from the retention flange (16), it rolls up between the flange and the support surface. The free end of the lip, in the rest position, supports against the upper surface of the retention flange (16) at an angle of less than 60 deg.
Patent DE-2614356-A1 (DE)
Title: Substrates filled with ion exchangers contg. phosphorus - prepd. by impregnating with titanium, zirconium or tin salt solns. and insolubilising
Inventor: SCHULZE REINHOLD G W DIPL CHEM
IPC: B01J47/016
Filed: 1976-04-02
Abstract: P-contg. ion exchanger-filled porous substrates are prepd. by impregnating the ion exchangers with soluble precursors of the ion exchangers and insolubilising by chemical after-treatment. The ion exchangers may be tetravalent Ti, Zr and Sn salts with P acids, and can be regenerated as soon as they are charged, e.g. with As, Sb and/or Bi. The prod. is partic. useful for purifying electrolyte solns. in refining and recovering metals, esp. Cu, by electrolysis. As, Sb and/or Bi contents can be lowered sufficiently not to impair desired metal sepn. Large quantities of liq. can be treated in small vessels.
Patent DE-2623519-A1 (DE)
Title: HF suppressor filter for distance supply unit - is used with community aerial and has capacitors consisting of insulating plate coated with conducting layers
Inventor: YENERIM SAVAS DIPL ING
IPC: H04B15/02
Filed: 1976-05-26
Abstract: The filter installed is in a mains wire and it has a capacitor between each mains wiere and earth. Capacitors (22, 23) consist of an insulating plate (1, 2) which has a thin conducting layer (3, 4) on each side. The plates are at a fixed distance (a) and are parallel to each other, and the outer conducting layers (3) are connected with each other and they are earthed through at least one conducting connection (5). The inner conducting layers (4) are connected to the two mains wires.
Patent DE-2627608-A1 (DE)
Title: Page turning and holding device for bed ridden person - with book support and holder but pages are turned manually
Inventor: NISSEN CHRISTIAN
IPC: A47B23/00
Filed: 1976-06-19
Abstract: Page turning device which serves to hold a book in a reading position for a person lying down. The device consists of a support installation for an open book either supported by legs or suspended, transparent and with two surfaces lying higher on a common border than on the outer side edges. The pages of the open book the spine of which lies over the edge can reach be supported on one surface. In addition the turning device is fitted with a holder (5) to hold the book (1) whilst it is removed from the support installation (2) so that the pages may be turned. The support installation (2) has a turntable bearing on the holder (5) with the latter having two holding sections extending along its length.