baber/WOPTO huggingface dataset:
Patent GB-643939-A (GB)
Title: Improvements in or relating to door latch mechanisms
IPC: E05B65/32
Filed: 1948-06-03
Abstract: 643,939. Door latches. HOUDAILLE-HERSHEY CORPORATION. June 3, 1948, No. 14985. Convention date, Oct. 21, 1947. [Class 44] A door latch comprises a pivoted outside handle, a bolt, retracting means therefor operable through a resiliently yieldable member by the outside handle and locking means adapted to block the retracting means, the yieldable means allowing normal, but ineffective, movement of the outside handle. The outside handle, Fig. 12, is pivoted at 68 and adapted to project a push rod 74 and displace a lever 59, Fig. 9, pivoted on a stud 24. On the same stud is pivoted another lever 57, and the levers are connected by a stiff spring having arms 61, 62 bearing against flanges 60, 63. The spring causes substantially equal angular displacement of the lever 57 on operation of the outside handle, to bring the free arm 58 into contact with the arm 41 of a retracting lever 36, Fig. 5. A finger 44 on the lever 36 engages a finger 45 on a pivoted plate B and causes the retraction of the latch bolt 46. A locking lever 80 has an arm 82 movable to a locking position (shown in Fig. 5) where it lies under the projection 83 on the lever 57, and in this position operation of the outside handle merely causes the spring 61, 62 to yield. The locking lever is movable to and from the locking position by a key lock having a spindle engaged in a hole 81 or by an inside button 87 connected to a lever 84 carrying a lug 88 retained between the arms 82, 89 on the locking lever. The retracting lever 36 may also be operated by an inside handle acting through a lever and a link connected to pin 51. The latch also carries a rotor bolt A of the kind adapted to be rotated by contact with the keeper into a door securing position and retained in this position by an arm 23 having a tooth 27 urged by a spring 31 into contact with the serrated surface 26 of a lever 25, the free end of which is supported on a flat 29 on the plate B. The rotor bolt is released when the latch bolt 46 is moved to the retracted position. The arm 23 has a finger 34 on which the spring 31 bears and which is supported on a cam-shaped collar 18 acting as a limit stop when the lever 25 is released to maintain the finger 27 out of contact with the serrated surface 26. A projection 93 on the locking lever 80 engages the spring 31 to prevent its being moved to the locking position when the door is open. When the door is fully closed the pin 21 carrying the arm 23 and spring 31 are moved by the rotation of the rotor bolt out of the path of the projection 93.
Patent GB-769988-A (GB)
Title: Improvements in wrenches
Inventor: JOHNSON WALTER JOHN
IPC: B25B13/14
Filed: 1955-05-24
Abstract: 769,988. Wrenches. WILLIAMS & CO., J. H. May 24, 1955, No. 14993/55. Class 61 In a wrench of the kind in which adjustment' is effected by a worm engaging a rack on the sliding jaw, the worm 18 is slidably mounted on a shaft 19 which is slidable in the head 11 of the wrench and yieldable means are provided in the head for holding the shaft in either of two limiting positions in one of which positions the worm is locked against rotation and in the other of which positions the worm is rotatable. As shown the shaft has two peripheral grooves 22, 22a either of which may co-operate with a split spring ring 27 accommodated in a counter-sink 26 of the bore 25 in the worm. An end portion 20 of the shaft is splined or of regular polygonal form for registry with at least a portion x of the bore 21 in the head. The bore in the worm has a portion 24 of polygonal cross-section the polygon having a number of sides which is an integer multiple of the number of sides on the part 20 of the shaft. To lock the worm against rotation, the shaft 19 is moved manually to the right against the tension of the spring ring 27 which rides over the portion 20b of the shaft from engagement with the groove 22a into engagement with the groove 22, a splined portion 20a of the shaft being moved into registry with the splined portion 24 of the worm. In a modification the shaft is locked in either of the two limiting positions by a spring pressed ball. In another modification (Fig. 6, not shown) the cross-section of the portion x of the bore in the head is a polygon which has a number of sides that is an integer multiple of the sides on the shaft and the worm 18 has a polygonal bore. The right hand end of the shaft is reduced to allow rotation thereof in the unlocked position of the worm the latter being rotatable with the shaft.
Patent GB-894388-A (GB)
Title: Process for preparing arylamino-nitro-dihydroxy-anthraquinone
IPC: C09B1/514
Filed: 1960-04-29
Abstract: Crude dinitrochrysazin is made by adding a sulphuric acid-nitric acid mixture containing 28% HNO3 to 1 : 8-dihydroxyanthraquinone and boric acid in sulphuric acid at 10 DEG C.-15 DEG C., allowing the temperature to rise to 20 DEG C.-30 DEG C., and pouring the mass into water.ALSO:A mixture of arylamino-1 : 8-dihydroxyanthraquinones containing a 4-arylamino-5-nitro-1 : 8-dihydroxyanthraquinone is made by heating a crude mixture of products obtained by dinitrating chrysazin with an arylamine of the benzene series in an inert organic solvent in such a manner that about one nitro group of the nitrated chrysazin is replaced by an arylamino group. The product may be purified by pouring the reaction mixture into at least 3 parts per part of nitrated chrysazin of an inert water-miscible organic solvent while controlling the temperature of the drowned mass between -5 DEG C., and 30 DEG C., filtering off the product and heating it in an aqueous alkaline medium.  The dyestuffs dye cellulose triacetate and polyester fibres blue shades from aqueous dispersion.
Patent GB-1190327-A (GB)
Title: Improvements in arrangements for simultaneously locking automobile doors
IPC: E05B65/36
Filed: 1968-03-29
Abstract: 1,190,327. Door locking arrangements for vehicles. REGIE NATIONALE DES USINES RENAULT and AUTOMOBILES PEUGEOT. 29 March, 1968 [18 July, 1967], No. 15114/68. Heading E2A. A door locking arrangement simultaneously locking the doors AV d , AV g , AR d , AR g  of an automotive vehicle, in which each door comprises two coils 1 and 2 with ferromagnetic cores 3 and 4 through which slide spring- loaded rods 6 each carrying a ferrite permanent magnet 5 which is repelled by the coils 1 and 2 when energised, the rod 6 being linked by 12 to a pivoted blocking member 11 which in the Fig. 3 position prevents an external pushbutton 8 from actuating the door locking member (not shown), which is lockalble by a keyoperated barrel lock 9 wherein electric switches 18, 19 and 20, 21 are actuated by the opening and closing of the front doors AV d  and AV g  (switches 18, 20 are open, and switches 19, 21 are closed, when the front doors are closed) so that when one front door is opened the remaining doors are temporarily unlocked (the magnet 5 is held midway between the energised coils 1 and 2) and when. the one front door is closed, the remaining doors are locked (with magnet 5 adhering to their coils 2) but the one door remains unlocked (with magnet 5 adhering to its coil 1), and can be locked by a key engaged with the barrel lock 9. When the lock 9 is unlocked by the key, a two-armed lever 10 is rotated and moves by finger 13 the blocking member clear of the button 8 and the magnet 5 to the coil 1. A reversing switch 26 permits locking or unlocking of all the doors, and may comprise a manual push button, or a device in the starting or ignition system so that all the doors are unlocked when the vehicle is started. The device may lock all the doors when the vehicle exceeds a certain speed. A manual spring-loadd lock button projects from the window frame of each rear door and is connected to the two-armed lever 10.
Patent GB-590940-A (GB)
Title: Improvements in or relating to the purification of contaminated machine oils
IPC: C10M175/04
Filed: 1943-09-15
Abstract: <PICT:0590940/III/1> Machine oil is reclaimed from contaminated oil by filtering the oil, diluted with trichlorethylene, through one or more layers of prescribed finely divided material and then distilling off the trichlorethylene.  Other diluent contaminants such as paraffin, are also removed and the recovered condensates may be fractionally distilled to obtain the trichlorethylene.  The filtering material prescribed comprises precipitated chalk, Fullers earth, quicklime, dry slaked lime, alumina or sodium bicarbonate and is used in a non-compacted form.  Any acidity in the oil is neutralised.  The contaminated oils concerned comprise contaminated lubricating oils, cutting oils, transformer oils and insulating oils.  Suitable apparatus for the process comprises a number of filter units 12 mounted on a casing 11 and closed by a top unit 13.  The beds of filtering material 16 are arranged between wire gauze layers and the diluted contaminated oil is introduced thereto from the top unit 13 the supply being float-controlled.  The filtered oil collects in a tank 19 at the upper part of the casing 11 and is syphoned therefrom on to a heated platen 21, the oil overflowing from a central receptacle 24 in a thin layer to be caught in a trough 26 delivering to a purified oil tank 27.  The vapours are condensed by cooling elements 28 and collect at the bottom of the casing 11, the trichlorethylene may be recovered by fractional distillation thereof. Sets of filter units may be used supplying the oil tank of a single distillation unit.
Patent GB-1501724-A (GB)
Title: Highly attenuated cytomegalovirus vaccine and production thereof
IPC: A61K39/245
Filed: 1975-04-14
Abstract: 1501724 Cytomegalovirus vaccine WISTAR INSTITUTE OF ANATOMY & BIOLOGY 14 April 1975 [15 April 1974] 15152/75 Heading A5B Cytomegalovirus (CMV) is attenuated by serially passaging a strain of virulent cytomegalovirus in human diploid lung fibroblasts a sufficient number of times to obtain a strain of cytomegalovirus capable of producing cell-free cytomegalovirus and to produce such cell-free cytomegalovirus from said strain and serially passaging said cell-free cytomegalovirus in human diploid lung fibroblasts a sufficient number of times that the virus, induces immunity without producing syptoms or more than minimal virus excretion and spread to contacts. The human diploid lung fibroblasts preferably consist of the cell line ATCC CCL-75 and the total number of passages is preferably 50-15; passaging can be carried out 30-37C for 5-10 days.
Patent GB-193878-A (GB)
Title: Improvements in the manufacture of chains
IPC: B21L15/00
Filed: 1921-12-22
Abstract: 193,878. Shawcross, G. N. Dec. 22, 1921. Chains. - In the manufacture of chain links, an ingot of metal is placed upon a shearing plate 3 and a punch 4 is operated to punch out a blank having the external contour of the link and which falls on to a shearing-block 7. A second punch 8 accommodated within the punch 4 then operates to form the aperture of the link, and the link is then transferred to a finishing-die wherein the desired cross-sectional shape is imparted to the metal, and, if desired, a gedge or part of reduced thickness is formed to facilitate passing the link on to a hook. The links so made are connected together by welded links to form chains or threelink couplings.
Patent GB-475900-A (GB)
Title: Improvements in or relating to wireless receiving apparatus
IPC: H03J7/16
Filed: 1936-05-29
Abstract: 475,900. Wireless receiving circuits. ROBINSON, J. May 29, 1936, No. 15211. [Class 40 (v)] A radio receiver includes two selective devices, one of which is more selective than the other, the response of the two being combined in opposed sense to provide an automatic frequency-control voltage. Part of the output of the frequency changer 11 is applied to the devices 15, 16 which are chosen to exhibit respectively a sharp and flat response curve of the same amplitude at the intermediate frequency. The outputs from 15, 16 are rectified at 17, 18 and applied in opposition to resistance 19, and thence to control the frequency of oscillator 12. A reversing switch 20 changes the polarity of the voltage applied to 12 according to the direction of rotation of the tuning knob 22. The devices 15, 16 may. be part of the normal coupling circuits, e.g. in successive stages; their outputs may he combined in opposition before rectification. They may be constituted by a single broadly tuned parallel circuit shunted by a piezo-electric device. Specification 457,485 is referred to.
Patent GB-296808-A (GB)
Title: Improvements in and relating to the removal of powder, crystals, paste, liquids and like fluid, semi fluid or plastic substances from containers
IPC: G01F11/12
Filed: 1927-06-08
Abstract: 296,808. Comrie, R. D. June 8, 1927. Moving-chamber apparatus. - Measured quantities of powders, liquids, or semi-liquids &c. are removed from a container by means of a band, which is withdrawn from the container against the action of spring means. The band may be an indiarubber band B, Fig. 3, extending diametrically across a cylindrical container A, one end being secured to the container at F and the other end passing through a slot G. The part C of the band forms a tray for removing the powder &c., while the part E is thin and stretches when the handle H<1> is pulled. The band may be held in the extended position by hooking a hole H" in the handle over a pin on the exterior of the container. In a modification the band B, Fig. 6, extends parallel to one end of the container K. The outer end of the band is secured to one end of a hinged rod N, O and the band is extended by pushing on the end P. Alternatively, the band may be extended by means of a bell-crank lever, one arm of which is secured to the outer end of the 'band, and the other arm operated to extend the band. Two containers Q, Fig. 9, with a common band B<1>, may be hinged together, the band being extended by separating the containers. The powder &c. is removed from a container X, Fig. 10, by means of an endless band S passing over rollers T, T<1> and guide V and operated by a turn button.
Patent GB-1518571-A (GB)
Title: Speed and acceleration measurement
IPC: G01P3/44
Filed: 1977-04-05
Abstract: 1518571 Measuring speed and acceleration REYROLLE PARSONS Ltd 5 April 1977 [14 April 1976] 15371/76 Heading G1N The invention relates to a method of an appar-  atus for determining linear or rotational speed and/or acceleration of a moving body relative to a fixed reference body. The method comprises the steps of providing on one of the bodies a system of equally spaced marks, e.g. a toothed wheel, in the direction of relative motion, converting the time intervals between the passage of successive marks past a reference point on the other body into signals indicative of speed and acceleration of the moving body, and using a comparison system in which an input parameter to an integration arranged within the system is iteratively integrated for successive periods related to the time intervals. The output parameter from the integration arrangement at the end of each period is controlled to approach a desired reference value by feeding to the input of the integration arrangement an incrementally corrected input parameter, the incremental correction in which is derived as a proportion of the error between the desired and obtaining output parameters following an iteration. Thus the input parameter becomes representative of the required speed of the moving body after one or more successive iterations and acceleration of the body may be determined on terms of the error in output parameter. The aforesaid proportion of the error is derived in terms of the quotient of the input parameter representative of the standing value of measured speed divided by the desired value of the output parameter. The acceleration is derived from the product of the error in the output parameter following an iteration and the square of the input parameter representative of the steady value of the measured speed for that iteration.
Patent GB-905800-A (GB)
Title: Improvements in or relating to hoses
IPC: F16L11/24
Filed: 1961-04-28
Abstract: 905,800. Hose pipes. ULVSUNDA GUMMIFABRIKS A.B. April 28, 1961 [May 3, 1960], No. 15432/61. Class 99(2). In a hose consisting of a tube of rubbercoated, textile fabric and a helically-extending metal wire 3, the tube is formed by a helically wound band the edges of which overlap; and is so disposed over the wire that the portions of tube intermediate the coils of the wire have the same internal diameter as that of the coiled wire. In making the hose the band 2 and wire 3 are wound simultaneously on to a mandrel 1 and the band, during vulcanisation of the rubber is held engaged with the mandrel by means of a helically wound cord 4.
Patent GB-736374-A (GB)
Title: Improvements in and relating to mowing machines
Inventor: ULLBERG KARL JOSEF
IPC: A01D34/03
Filed: 1953-06-04
Abstract: 736,374. Mowing machines. AKTIEBOLAGET WESTERASMASKINER. June 4, 1953, No. 15447/53. Class 6 (3). A releasing device to allow a mower cutting apparatus to be swung rearwardly relative to a towing tractor comprises a bar 11 attached to the mower and pivoted on a bar 10 attached to the tractor drawbar 3. A shoulder 25 on the bar 10 engages a latch 26 pivotally mounted in a holder 28 which is pivoted on the bar 11. A bolt 31 on the bar 11 is provided with a spring 33 which presses the holder 28 against the bars 10, 11. The spring lies against a plate 34 in the holder which limits the upward pivoted movement of the latch 26. On meeting an obstruction the latch 26 and holder 28 are forced to pivot upwardly against spring 33 allowing the cutter to swing rearwardly, the movement being limited by the abutment of the bar 11 against a stop 35. The mower frame is provided with a sleeve 19 which is rotatably mounted on a pin on the bar 11, the opposite side of the frame being provided with a yoke 21 which is held between two flanges 20 by means of a pin 24.
Patent GB-361900-A (GB)
Title: Improvements in insecticides
IPC: A01N47/48
Filed: 1930-05-20
Abstract: Aliphatic mono-thiocyanates wherein the organic residue contains one or more negative groups (i.e. carbonyl, an p  unsaturated aliphatic group, halogen, nitro group, cyanide group, acid radical, or an oxygen linkage such as an alkoxy or ester group), which have insecticidal properties but are without offensive odour, are prepared by treating a halogeno-thiocyanate with the sodium salt of an alcohol or an acid, by esterifying a halohydrin and then substituting the halogen by the SCN group, by treating a chloro-ether with sodium thiocyanate, by treating a negatively substituted compound with thiocyanogen, or by treating a negatively substituted halogeno compound with sodium thiocyanate.  Particular compounds specified are thiocyano-acetone, amyl-, cyclohexyl-, sec. octyl-, and b -ethoxyethyl-thiocyanacetates, amyl-, butyl-, cyclohexyl-, sec. octyl-, and b .ethoxy-ethyl - b .thiocyanopropionates, b .thiocyano - ethyl ethyl ether, b .thiocyano-ethyl butyl ether, and b .thiocyano derivatives of the monoalkyl ethers of diethylene glycol such as the mono-thiocyanates of mono-ethyl or mono-butyl ethers of diethylene glycol.ALSO:An insecticide comprises an aliphatic monothiocyanate and a diluent, the organic residue of the thiocyanate containing one or more negative groups (i.e. carbonyl, an unsaturated aliphatic group, halogen, nitro group, cyanide group, acid radical, or an oxygen linkage such as an alkoxy or ester group).  The compounds may be used in solution in water or an organic solvent, such as kerosene, A small quantity of soap may be added to aqueous solutions.  Particular compounds specified are thiocyano acetone, amyl, cyclohexyl, sec. octyl-, and b -ethoxyethylthiocyanacetates, amyl-, butyl-, cyclohexyl, sec. octyl-, and b -ethoxyethyl-, b -thiocyanopropionates, b -thiocyanopropionate, b -thiocyano-ethyl ethyl ether, b -thiocyanoethyl butyl ether and b -thiocyano derivatives of the mono-alkyl ethers of diethlyene glycol such as the mono-thiocyanates of mono-ethyl or mono-butyl ethers of diethylene glycol.  The active compounds may be prepared by treating a halogeno-thiocyanate with the radium salt of an alcohol or acid, by esterifying a halohydrin and then substituting the halogen by the SCN group, by treating a chloroether with sodium thiocyanate, by treating a negatively substituted compound with thiocyanogen, or by treating a negatively substituted halogeno compound with sodium thiocyanate.
Patent GB-1383074-A (GB)
Title: Multibarrel weapon with charger
IPC: F41A9/35
Filed: 1972-04-04
Abstract: 1383074 Multi-barrel weapon with a magazine THOMSON-CSF 4 April 1972 [6 April 1971] 15549/72 Heading F3C A weapon comprising a plurality of barrels 1 fixed in a predetermined pattern is in combination with and a detachable magazine 4 which is connectable to the aforesaid weapon through co-operating means on the weapon and on the magazine. The magazine includes a rigid casing having an end plate 19 which forms the breech block of the weapon, a plurality of rounds of ammunition arranged in a pattern identical to that of the barrels 1 are connected directly to the end plate 19 or are indirectly supported by the end plate 19. In the construction shown the rounds of ammunition are housed in barrels mounted in the magazine (Figs. 2, 3 and 4, not shown) each of the last mentioned barrels having a cartridge chamber (Fig. 5, not shown). The co-operating means by which the magazine 4 is connected to the weapon comprise a flange 5 on the magazine 4 and a plurality of pivoted catch 26, each catch 26 being urged into its magazine holding position by spring biasing acting on a rod 28 of an hydraulic ram. The catches are released by pressurizing the rams. The forces exerted on the catches during firing are taken by the structure in which the catches are mounted. Fig. 13 shows the means by which a magazine is drawn towards the weapon. This means comprises a further ram housed in a passage in the aforesaid part and having a rod 50 engageable in a corresponding passage in the magazine 4. The rod 50 carries a rotatably mounted telescopic output shaft 56 having a catch 54 on its outer end. The shaft 56 when the catch 54 is engaged in a fitting 60 in the magazine being rotated through 90 degrees to connect the shaft 56 and magazine through a bayonet type connection. A plurality of connecting rams may be provided internally or externally of the weapon. The magazine may, before presentation to the part of the weapon, be stored in magazine cavities spaced about the weapon mounting (Figs. 9, 10, not shown). Means, e.g. rollers, are provided on the casing of the magazine for co-operation with rails of the weapon to guide the magazine in its movement towards its firing position. Positioning pins engageable in corresponding openings in the forward end of the magazine 4 are provided on the weapon (Figs. 11, 12, not shown).
Patent GB-1181684-A (GB)
Title: Photoelectric Measuring Devices
Inventor: REIMANN HUBERTUS
IPC: G01J1/44
Filed: 1967-04-05
Abstract: 1,181,684. Transistor oscillator circuits. PENTACON DRESDEN KAMERAUND KINOWERKE VEB. 5 April, 1967, No. 15554/67. Heading H3T. [Also in Division G1] An exposure meter circuit (Fig. 1) includes an oscillator transistor 1 feeding an amplifier consisting of transistors 6, 7 and 8, the amplifier input being provided by potentiometers 4 and 5 coupled to exposure factor setting members and by photo-cell 3. A glow lamp 11 is unlit, flashing or continuously lit according to under, correct or over exposure. The amplifier is stabilized by capacitor 14 and diode 15. To stabilize the oscillator input voltage to the amplifier, as shown in Fig. 2, a D.C. voltage is fed back to the base of oscillator transistor 1 or as in Fig. 3, two diodes 20 and 21 are connected in antiparallel to the collector winding 22 of transistor 1. A further transistor (Fig. 4, not shown) may damp the output of the amplifier at a level determined by the output voltage of the oscillator.