baber/WOPTO huggingface dataset:
Patent DE-2400188-A1 (DE)
Title: Alkyl diazoacetate prepn. by diazotising alkyl glycine esters - in aq. soln. at acid pH in presence of extractor solvent
Inventor: NURRENBACH AXEL DIPL CHEM DR
IPC: C07C245/18
Filed: 1974-01-03
Abstract: Alkyl diazoacetate (I) prepn. by diazotising acid salts of alkyl glycine esters in aq. so C: with an alkali metal nitrite in the presence of a water-immiscible organic solvent for ester of (I) formed, takes place at pH 4-5.5 (4.5-5). Pref. pH is kept near upper range at start of reaction and lowered to near bottom-end during reaction. (I) are intermediates for prepn. of insecticides, esp. chrysanthemum acid esters. Process may be carried out continuously; it is safe and decompsn. of (I) is prevented; temps. need not be kept below room temp; (I) may be extd. with solvent in which it is prepd. pH may be set with inorganic acids, esp. in dilute aq. solns., using 2-10 mol.% acid w.r.t. alkyl glycine esters. Temps. are esp. room temp. to 35 degrees C.
Patent DE-2403970-A1 (DE)
Title: Synthetic fibre strand crimping - with adjustable pressure disc with monitor to prevent roller contact
IPC: D02G1/12
Filed: 1974-01-29
Abstract: A texturising unit, to give a continuous crimping process to synthetic fibre strand material by rollers, compression chamber and temp. control, has an adjustment in conjunction with a monitor, to ensure that the pressure disc cannot be moved less than the preset minimum gap between the disc and the roller faces. The pressure disc may be moved maintaining a sealing effect while modifying the pressure in the chamber, without allowing the disc to be eroded by friction wear if in contact with the rollers in operation.
Patent DE-2405020-A1 (DE)
Title: Roll shutter lock - has two-part block with serrated meshing surfaces and extrusion to fit into gap between shutter blades
Inventor: FISCHER OTTO
IPC: E06B9/80
Filed: 1974-02-02
Abstract: The lock is intended for use on exterior window roll shutters to prevent an intruder from forcibly pushing up the shutter from the outside and entering the premises. The two blocks with the facing serrated surfaces are held together by a screw, with one of the blocks having an adjusting slot and a handle extension to facilitate fitting onto the shutter by the user while standing on the floor of the room. Before fitting, the shutter is lowered so that gaps between the shutter blades appear into one of which at the top of the window the extrusion on the block is inserted. The overall thickness of both blocks is made to fit into the gap between the inside of the shutter and the outside surface of the window leaf frame. When the block is fitted in the gap the window is closed and the top of the block rests against the lower surface of the top window frame member.
Patent DE-2406041-A1 (DE)
Title: Foaming spaces between door architrave and walls - rendering foaming plastics material more viscous by introduction of additional foaming agent having a low boiling pt
Inventor: GEISLER NORBERT
IPC: B29B7/74
Filed: 1974-02-08
Abstract: Spaces between door architraves adn walls are filled with foamed plastics matls. and running out of the foaming mixture is prevented by introducing into the foaming mixt. a further foaming agent having a low boiling pt. Use of auxiliary foaming agent permits filling in spaces despite the initial lack of sealing conditions. Viscosity of foaming plastics matls. is increased. Preferably the foaming matls. consist of a polyol and an isocyanate which are treated with a primary foaming agent such as a trichloromonofluoromethane and the foamed plastics matl. is then treated with the auxiliary foaming agent which may be a dichloromonfluoromethane.
Patent DE-2409219-A1 (DE)
Title: Satellite rotary offset printing mechanism - has fixed satellite cylinder and at least two offset cylinders mounted in eccentric bearings
Inventor: BAYER HANS
IPC: B41F7/10
Filed: 1974-02-27
Abstract: Each offset cylinder is mounted at both ends in two eccentric bearings arranged one inside the other of which the one pair of each cylinder can be displaced from a second, inoperative position to a first, double sided printing position and back. The other pair can be similarly moved from the second position to a third, single sided printing position. The eccentric bearings are adjusted by double acting hydraulic cylinders whose path of adjustment is limited by stops. The eccentric bearings for displacing the two offset cylinders from the second to the first position are turned by a common hydraulic piston.
Patent DE-2409523-A1 (DE)
Title: Heavy vehicle load compensating cylinder - has safety unit in single acting cylinder to avoid pressure loss effects
Inventor: THIELE HORST
IPC: B62D5/32
Filed: 1974-02-28
Abstract: The safety unit control is for axle compensation cylinders or steering cylinders in heavy goods vehicles, to avoid load reduction caused by pressure losses. The pressure medium circuit has a connected working circuit and a separate control circuit. The working circuit consists of a working piston in a working cylinder; while the control circuit is formed by a control piston in a control circuit. The working piston is connected by a conduit via a control valve to a supply conduit for the pressure medium. The control piston is connected by a conduit via the same valve to a supply conduit for the medium.
Patent DE-2414167-A1 (DE)
Title: Butyrometer washing machine and spray tubes - has oval section jet portion above larger diameter round section portion
Inventor: KALDENHOVEN BRUNO
IPC: B01L99/00
Filed: 1974-03-23
Abstract: Apparatus for washing measuring vessels for determining the fat content of milk in dairies, i.e. butyrometers, includes a washing machine with travelling carriages with connections for supply of wash liquid, and fitted with a set of vertical jet tubes which are screw threaded at the bottom to permit interchangeability. These tubes have a larger diameter lower portion carrying a smaller diameter upper portion incorporating the spray holes. The lower portion is of circular section, and the upper portion of a nearly oval section.
Patent DE-2415055-A1 (DE)
Title: Metal complexes of 2-substd naphtho-pyrrolidine dyes - with higher thermal stability, for use in plastics, lacquers and textiles
Inventor: SOEHNGEN BERND DR
IPC: C09B57/06
Filed: 1974-03-28
Abstract: Novel metal complex dyes (I) consist of dyes of formula (II) (in which A is derived from a methylene-active cpd. or prim. amine contg. a gp. capable of complex formation; the naphthalene ring and A can contain nonionic substits. and anellated rings) and metals of sub-gps. I, II, VI, VII and VIII, pref. Zn or Cd. (I) are prepd. by the action of 0.3-2.5, pref. 0.3-1.0 mole metal salt on (II). They are used in plastics, lacquers and synthetic and semisynthetic textiles. They have much higher thermal stability than (II), so that they can be added to plastics melts or to the raw materials for synthetic fibre mfr. (I), esp. those obtd. from Zn and Cd salts, have exceptionally clear colour and intense fluorescence and also very good fastness.
Patent DE-2423749-A1 (DE)
Title: Two stage pressure reducing valve for gas flows - large pressure reduction occurs over two sets of orifices in series
Inventor: WULLENKORD KURT
IPC: F16K3/32
Filed: 1974-05-16
Abstract: A two stage pressure reducing valve ensures that the critical pressure ratio is not exceeded thus avoiding the generation of undue noise. High pressure inlet flow (14) is to be reduced in pressure for transmission to an outlet section (16). The pressure reduction is accomplished by one sleeve (24) axially set within a fixed outer sleeve (22). The inner sleeve (24) which connects (30) with a hand actuator has a series of orifices (34) at the top end. The outer sleeve (22) has orifices located at the bottom end. In the closed position both sets of orifices are closed, thus preventing any flow. When the inner sleeve is axially displaced a pressure reduction from inlet (P1) to the intermediate chamber (42) pressure (P2) occurs, followed by a further drop over the outer sleeve orifices (32) to the final output pressure (P3). Both pressure reductions are below the critical value.
Patent DE-2425836-A1 (DE)
Title: Flow system controller for heating and cooling circuits - with single valve element controlling valve ports and passages
Inventor: VOX ANTON J
IPC: F16K11/083
Filed: 1974-05-28
Abstract: The control unit connects two flow systems so that in one condition each system inlet connects with its outlet and in a second condition one system inlet connects with the other system outlet. A valve body (31) has a pref. frustoconical valve element (33) and a series of ports (34, 36, 38, 49) and openings (35, 37, 46) which communicate with openings (42, 43, 46) into a port (44) in the valve element when the unit is in the first condition. The valve body also has a bypass port (51) with two openings (52, 53) closed by the valve element in the first condition and connected to openings (47, 461) in the valve element in the second condition.
Patent DE-2428500-A1 (DE)
Title: Combined folding purse for coins and notes - has crossed straps for forming hinge for wallet type folding panels
Inventor: STOLZ WOLFGANG
IPC: A45C1/08
Filed: 1974-06-12
Abstract: The folding purse is used for accommodating coins as well as notes and other documents. The purse consists of two flat parts which are connected by crossed straps which form a folding hinge. At least one of these halves has a compartment for coins which can be open at on side angle. The puse assembly has stiffening cardboard and plastics panels which are enclosed into leather or plastics imitation leather. This combined purse has also the features of a wallet. The combined purse and wallet has two flat parts which are hinge together and able to rotate. The inner faces are connected by crossed strap. One folding half of the puse has a compartment for coins. Both halves of the combined wallet and purse are of equal size and they cover each other completely in closed state. The combined wallet can also be folded over a second time about a fold made at right angles to the wallet assembly hinge.
Patent DE-2429139-A1 (DE)
Title: Television picture point matrix system - uses two field matrix and four signal system with logic circuit including gate elements
Inventor: ROBERTS ALAN
IPC: G09G5/28
Filed: 1974-06-18
Abstract: The singal interpretation system uses a matrix field of two types (A, B) each divided into four quarters responsive to digital codes (1, 2, 3, 4). (1, 2 3, 4). The left diagonal, for example, would be produced by (1, 2, 3, 4). A logic control circuit has two gate elements (15, 16) which distributes signals to the (A and B) fields alternatively, through switching units (13, 14) and spot generating pulse units (19, 20). One component of thelogic circuit passes a line signal pulse through an AND-gate (21) to the output OR-gate (18). Detection of the left or right sloping diagonals permits future field distribution signals to improve picture definition.
Patent DE-2430179-A1 (DE)
Title: Appts determining quality of wire by means of force - has difference roller and guide roller with measurement of force on one of rollers
Inventor: FRIEDRICH ERNST
IPC: G01N3/08
Filed: 1974-06-24
Abstract: The support (3) of one of the rollers (1, 2) has a pressure gauge (4) attached to it and a tensiometer (5) is assigned to the rollers. This tensiometer is located in front of the rollers in their working direction. The tensiometer can consist of at least one guide roller (6), on whose support (7) another pressure gauge (8) is arranged. The pressure gauge of the tensiometer is connected by its output, via a cable, to an amplifier and a controller acting on the trigger mechanism. It is possible with this apparatus to detect characteristics of the quality of the wire which have a fixed relation to the modulus of elasticity.
Patent DE-2435353-A1 (DE)
Title: Cable strap with integral buckle - has end guide slot and mating opposed serrations
Inventor: EMERY EDGAR FRANK
IPC: B65D63/10
Filed: 1974-07-23
Abstract: The tie comprises an elongate strip of flexible material formed at one end (10a) with a guideway (24, 26) extending over an aperture (16) on which is disposed a pawl (14) bearing transverse serrations (22) on its surface facing into the guideway and being joined to the main body of the strip by thin flexible webs (18 and 20). The web (18) at the inner end of the pawl (14) joins the strip (10a) at the surface thereof which forms the base of the guideway and the web (20) at the opposite end of the pawl (14) joins the strip (10a) at its opposite surface. The guideway is formed by upstanding side walls (24) each having atransverse extension (26), formed on opposite edges of the strip (10a) and defining between them and the strip (10a) a tunnel or guideway extending above the pawl (14).
Patent DE-2440333-A1 (DE)
Title: Interference voltage compensation circuit - applies correction opposing interference voltage superposed on signal voltage in communication systems
Inventor: STUMMER BALDUR DIPL ING
IPC: H04B15/00
Filed: 1974-08-22
Abstract: The circuit is intended especially for pilot equipment. A capacitor (C2) is provided at the output of a full-wave rectifier; it filters out twice the signal voltage fundamental frequency, but not the modulation caused by interference voltage; this capacitor (C2) is followed by an L-circuit consisting of a resistor (R7) and a further capacitor (C3) which eliminates the interfering modulations; emitter-collector path of a transistor (TS5) is in parallel with the capactiro (C3), and its base is connected to the junction point between the first capacitor (C2) and resistor (R7); a resistor (R8) is in the transistor emitter circuit.
Patent DE-2443756-A1 (DE)
Title: Holder for interchangeable cutting bit - has screwed bit-clamping element engaging nut on inclined face
Inventor: HOCHMUTH WALTER
IPC: B23B27/16
Filed: 1974-09-13
Abstract: The arrangement includes a cutting bit (3) provided with a central bore (8) and can be secured on a face (6) in a recess (2) of the holder (1) by means of a clamping element (19) which engages a sliding element (17) capable of sliding along an inclined plane (28) under the action of a set screw (22), the angle of inclination being greater than the self-locking friction angle. The clamping element is a bolt (22) whose head (20) has a smaller diameter than the bore (8), part of its outer surface engaging one side (9) of the bore. The sliding element (17) is a nut which is slideable in a bore (16) inclined in the clamping direction (15).
Patent DE-2453211-A1 (DE)
Title: Electronic flash device - has adapter with thyristor circuit joining flash gun to impulse generating circuit in camera
Inventor: SCHREYER HANS JOCHEN
IPC: G03B15/05
Filed: 1974-11-09
Abstract: An electronic flash device for a camera having a high voltage source to charge up a discharge tube of repeated useability, has an adapter (16) to connect the camera (10) to the flash gun (15). A battery (17) is mounted inside the camera (10) and produces an electronic impulse (18) when the camera is operated. The impulse (18) is generated by an electronic circuit. The adapter (16) has a thyristor (19) lying in the circuit connected to the high voltage source (21) of the electronic flashgun (15). The impulse (18) generated by the circuit and the battery (17) in the camera (10) is fed to the control attachment of the thyristor (29).
Patent DE-2460100-A1 (DE)
Title: Fastener for polygonal components esp screw heads - has tab with arms notched to grip corners of polygon
Inventor: NIEMANN GERHARD ING GRAD
IPC: F16B39/10
Filed: 1974-12-19
Abstract: Anti-rotation fastener for polygonal screw heads and like peripherally profiled components comprises a pair of arms (3, 4) embracing the head (14) and having notches (7, 8) for engaging the corners of the hexagon. The fastener is for applications where the screw is adjacent a sheet metal edge (19). The arms extend from a tab (9) situated adjacent the edge and having a fold (11) clipping around the edge. The fold prevents rising of the fastener from the screw head and the ends (12) of the tab engage to prevent rotation of the fastener and thus of the screw.
Patent DE-2504745-A1 (DE)
Title: Housing for fluorescent lights - has multi component lamp block with main housing inserted into conventional attachment fitting
Inventor: POLACK HANS
IPC: F21Y103/00
Filed: 1975-02-05
Abstract: A lamp housing for fluorescent type lights has a light block unit as its base or main component whic is constructed from a body housing (1) which is clear or translucent to the light from the lamp (2) and which contains the lamp (2), starter device (3), fittings (4, 5) for the lap (2) and electrical input attachments (7). This complete housing (1) forming the lamp block can be inserted in its entirety into a support or holder (12, 15) of conventional design, having the appropriate cut out section profile to allow insertion and rigid retention of the lamp block. Preferably the connector socket can be detachably secured at one end of the housing in such a way that it can be aligned in alternative positions.
Patent DE-2510162-A1 (DE)
Title: Roof sealing strip made from base of synthetic rubber - reinforced with fibre mat and contg adhesive strips
Inventor: MUELLER KARL-HEINZ DIPL CHEM D
IPC: E04D5/12
Filed: 1975-03-08
Abstract: A roof sealing strip made from a base of artificial rubbers contg. EPDM, poly chloroprene, butyl rubber styrol butadiene or blends thereof and having an embedded reinforcement layer of fibre mat, has adhesive strips incorporated into the vulcanised strip on at least one surface edge zone. This adhesive strip consists of a vulcanisation medium free mixt. of synthesis rubber, resin, filler and softener. The diagonally opposite under side edge has a similar strip applied to it. The zone edges have strips of inert material applied.
Patent DE-2515291-A1 (DE)
Title: Bottle handling plant with sorting system - pivoting support surface for bottle rows swings down to displace broken glass
Inventor: KRONSEDER HERMANN
IPC: B08B9/20
Filed: 1975-04-08
Abstract: A bottle handling plant which simultaneously sorts bottles onto a flat surface in a line and from there feeds them to a conveyor system having a collection device for any broken glass material which may have passed through the machine and which could endanger its working parts, has a conveyor or transport device (8, 9) which grips the bottle heads and transfers them from the lining up zone to the removal conveyor/transporter (5). The flat plates (4) on which the bottles are arrayed can be pivoted downwards when empty to deposit any broken glass etc. into the collection device (18, 20) situated below it.
Patent DE-2515989-A1 (DE)
Title: Window or door edge drive device - has operating gear wheel mounted to axial shaft of hand grip
IPC: E05C9/02
Filed: 1975-04-12
Abstract: The edge drive device is for a window or door etc, in plastic mounted in the rabbet or groove of the window frame. A retaining beam is attached within the groove by countersunk screws with a setting rod behind the retaining beam which has longitudinal holes for penetration of the screws. A gear wheel is at right angles to the rod longitudinal direction, the teeth of which engage with notches in the setting rod and an operational grip. The gear wheel (4) is mounted to the axial bolt or shaft (6) of the hank operated grip (5).
Patent DE-2517843-A1 (DE)
Title: Purifying isoprene from dimethyl-dioxan decomposition - by passing through bed of anion exchange resin or base, and fractionating
Inventor: LIAKUMOWITSCH ALEXANDR GRIGORJ
IPC: C07C7/04
Filed: 1975-04-22
Abstract: Isoprene obtd. by the catalytic decompsn. of dimethyldiox is treated in order to remove carbonyl cpds. and cyclopentadiene by (a) passing the isoprene at 40-70 degrees C. through a bed contng. (I) an anion exchange resin, or (II) a base, and (b) fractionating the prod. in a column having >=50 theoretical plates, the reflux ratio being >=3. Stage (a) converts the impurities into fulvenes, polyesters etc. These are easily removed in stage (b). Gives pure isoprene suitable for prodn. of rubbers using low concns. of Ziegler catalysts. Pref. (I) is the reaction prod. of epichlorohydrin/polyethylene-polyamine, or chloromethylated styrenebutadienyl-benzene copolymer/trimethylamine. (II) is pref. deposited on an inert support, esp. silica gel or corundum.
Patent DE-2522101-A1 (DE)
Title: Container for single gemstone - comprises solid block with hole preventing removal without leaving fingerprints
Inventor: FURRER HERBERT
IPC: A45C11/16
Filed: 1975-05-17
Abstract: The container for single gemstone comprises a block (1) of solid material, which is pref. cubic and made of moulded transparent plastics material, and in which is a hole (2) which is closed at one end by a transparent plate which may be bonded to the transparent plastics material. Beneath the transparent plate is a plate (5) for holding the gemstone (6) releasably, inserted in the hole to close it. Pref. the holding plate is placed on a shoulder in the hole, and the distance between the shoulder and the outer surface of the block is greater than the thickness of the holding plate. The hole may be undercut (9) between the outer surface of the holding plate and that of the block, with an undercut retaining plate (7) disposed on the outer surface of the holding plate.
Patent DE-2522308-A1 (DE)
Title: Ureterolith removing catheter - with inflatable, externally sealed sheath, placed around tip of catheter expanding ureter and dislodging stone
Inventor: BARSOM SHAFIK DR MED
IPC: A61B90/00
Filed: 1975-05-20
Abstract: Ureterolith removing instrument comprising a ureteral catheter (10) to which an inflatable sheath (11) is attached around the top end of the catheter, the sheath can be inflated from the other end of the catheter. Pref. the sheath is inflated through a single opening (14) in the side of the catheter (10) near the tip. The sheath (11) is connected directly to the tip of the catheter and at a point (12) farther down the tube. The tip of the catheter is sealed by a rounded cap (13) which is made in one piece with the sheath (11). A pneumatic or hydraulic pressure medium containing an X-ray opaque medium is used to inflate the sheath one positioned in the ureter and thus dislodge the stone into the bladder where it can be crushed or passes whole through the urethra. Means are provided to prevent over expansion of the sheath (11).
Patent DE-2522532-A1 (DE)
Title: Purifying terephthalic acid by heating with acetic acid - at constant temp. and under acetic acid vapour press
Inventor: KULAKOW WLADIMIR N
IPC: C07C51/42
Filed: 1975-05-21
Abstract: Purification of tetephthalic acid prepd. by p-xylene oxidn. is effected with AcOH at a wt. ratio terephthalic acid: AcOH 1:3 to 1:10 at 200:300 (250-270) degrees C, by a process in whic component mixt. is heated at const. temp. at vapour-press. of AcOH vapour under reflux. Vapours formed are condensed in reflux condenser and condensate is returned to boiling zone. Suspension obtd is ooled to a temp. not below 100 degrees C and the pure terephthalic acid obtd. is filtered off. Purified terephthalic acid can be used in polyester fibre prodn. and the purification process time can be reduced, e.g. from 120-180 min. to 15-20 min. Process may take place continuously.