baber/WOPTO huggingface dataset:
Patent GB-329810-A (GB)
Title: Improvements in brooders or foster mothers for poultry
IPC: A01K31/18
Filed: 1929-05-03
Abstract: 329,810. Cundall, A., and Buckton, R. H. May, 3, 1929, Rearing-appliances.-A brooder A has a chicken chamber B and an open-air compartment C that communicate through apertures a<1>, a<2> a<3>. The chamber B, which has an inspection window a<7>, is heated by the flue pipe E of a lamp F situated in a lamp chamber D at the side of the brooder. An adjustable floor G is carried on rods g extending across the chamber, and a removable platform H for the very young chickens is secured at the side of the chamber B. The chamber B is lined with boards b and is fitted on top with a removable lid d'. A false lid b<2> which mav be of glass is fitted below the lid d<1>. A sliding roof C<1> extends over the open-air compartment C and also, if desired, over the compartment B. The brooder without the open-air compartment may be arranged in a poultry house, being then made of galvanized iron with the roof and walls lined with asbestos.
Patent GB-1413648-A (GB)
Title: Hypolipedemic acitve alkoxy and alkylthio-furoic acids and esters
IPC: A61P3/06
Filed: 1974-03-28
Abstract: 1413648 Hypolipidemic active alkoxy and alkylthio-furoic acids and esters RICHARDSON-MERRELL Inc 28 March 1974 [2 April 1973] 13806/74 Heading C2C Novel compounds of the Formula I wherein Y is oxygen or sulphur; R is C 10-20  alkyl or alkene containing up to 4 double bonds; R<SP>1</SP> is hydrogen, C 1-6 -alkyl, benzyl, phenethyl, pyridylmethyl, C 3-6  alkane-poly-yl having from 2 to 6 univalent bonds, 1,2,3,4,5,6- cyclohexane-hexa-yl or Z; wherein Z is either (A) the group-(CH 2 ) n NR 2 R 3  in which n is 2 or 3, R<SP>2</SP> is C 1-4  alkyl or acyl; R<SP>3</SP> is hydrogen, C 1-4  alkyl with the proviso that when R<SP>3</SP> is hydrogen, R<SP>2</SP> is acyl or R<SP>2</SP> R<SP>3</SP> and the nitrogen to which they are attached form a pyrrolidino, piperidino, morphilino or piperazino ring; or (B) the group wherein m is 1 or 2 and p is 1, 2 or 3 and the sum of m and p is 3 to 5 ; R<SP>4</SP> is C 1-4  alkyl and X is an integer from 1 to 6 with the proviso that when R<SP>1</SP> is alkane-poly-yl X is 2 to 6, when R<SP>1</SP> is 1,2,3,4,5,6-cyclohexane-hexa-yl X is 6 and R<SP>1</SP> is other than alkane-poly-yl and 1,2,3,4,5,6- cyclohexane-hexa-yl, X is 1 and pharmaceutically acceptable salts thereof may be prepared by condensing a compound of the formula wherein L is a leaving group with an alcohol of the formula R-7-H optionally followed by esterification and/or salt formation. Pharmaceutical compositions of the compounds I with the usual excipients have hypolipidemic activity when administered orally or parenterally.
Patent GB-578071-A (GB)
Title: Improvements in and relating to the production of ª‡-chloracrolein
IPC: C07C45/82
Filed: 1944-07-19
Abstract: Chloroacrolein and ethylene are prepared by the pyrolysis of 5-chlor-2 : 3-dihydropyran in the vapour phase and at a temperature of 350-500 DEG  C., preferably in the presence of an inert diluent such as nitrogen or at reduced pressure.  The pyrolysis chamber may be made of or lined with heat-resistant glass and packed with pumice or silica chips.  In the example, vaporized 5-chlor-2 : 3-dihydropyran and nitrogen are passed through a "Pyrex" (Registered Trade Mark) glass reactor packed with pumice maintained at 400 DEG  C.
Patent GB-443061-A (GB)
Title: Improvements in or relating to optical projection apparatus
IPC: G03B33/00
Filed: 1935-05-10
Abstract: 443,061. Optical systems. ANGENIEUX, P., 1, Avenue Richerand, and GUTMANN, J. M., 40, Rue de la Voie Verte, both in Paris. May 10, 1935, No. 13845. Convention date, March 15. [Class 97 (i)] In apparatus for projecting superimposed images of several objects on to a screen, particularly in coloured kinematography, superimposed virtual images of the objects are formed in the axis of the system by separate lenses and projected on to the screen by a single lens, means being provided for adjusting the position of the lenses to compensate for variations in the projection distance and for changes in the position of the objects, such as occur when a kinematograph film expands or contracts uniformly. Fig. 3 shows three lenses A, B, C, forming superposed virtual images of three objects a, b, c at R, which images are projected onto a screen E1 by a lens O. It is stated that such an arrangement allows of the use of lenses of shorter focus and wider aperture than those commonly employed. To effect the adjustments described the lenses A, B, C, may be fixed in a block, Fig. 4, and the lens O in a tube 2, the block and the tube sliding in a tube 3 which can rotate in a fixed tube 4. Pins 5, 6 on the block 1 and the tube 2 pass through cam slots 7, 8 in the tube 3 and axial slots 9, 10 on the tube 4 ; the slots 7 and 8 being so shaped that on rotating the tube 3 the lenses are moved to compensate for changes in the positions of the objects ; for changes in projection length the assembly is moved bodily.
Patent GB-985893-A (GB)
Title: Coagulation timer
IPC: G01N15/06
Filed: 1963-04-08
Abstract: 985, 893. Measuring coagulation time electrically. BECTON, DICKINSON & CO. April 8, 1963 [April 18, 1962], No. 13927/63. Heading G1N. In an arrangement for determining the time required for changes in certain physical properties of a fluid, e.g. coagulation time of blood, or blood samples treated with anti-coagulants, a pair of electrodes 32, 34 (Fig. 1), one of which is turned at right angles at its tip, are mounted to be dipped periodically, e.g. at 30 second intervals, into the sample and withdrawn, and a source of potential is arranged to be applied to the electrodes through a cam-operated switch when one electrode has been lifted clear of the surface of the sample. The withdrawal of blood in fibrillious condition indicative of coagulation produces a conductive path for the applied potential, which short-circuits and releases a relay 266 to interrupt the generation of a sequence of timing pulses applied to a counter. The apparatus is housed in a container having recesses 90 in a heating block 28 for a number of samples, and the electrodes are mounted in a head 36 which is lifted and rotated to cause the electrodes to drop into a particular sample in response to this actuation of a start button 44, alatch being provided to hold the head in its rest position. A fixed delay enables the operator to move his hands clear. The movement of the electrodes and the actuation of the timing mechanism is effected by a drive unit 40, wherein a synchronous motor 200 drives electrode lifting cams and a reed switch pulse generator. The temperature of the heating block 28 is controlled within fine limits of two heaters 20 each having its own thermostat, one providing a coarse control for rapid initial heating. The heaters are relay-controlled through a transistor switching circuit (Fig. 12). The arrangement may be associated with one or more centrifugal separators.
Patent GB-530439-A (GB)
Title: Improvements relating to synchronous electric motors
IPC: H02K7/118
Filed: 1939-05-10
Abstract: 530,439. Alternating-current motors. SMITH & SONS (MOTOR ACCESSORIES), Ltd., S., and RUSSELL, V. J. S. May 10, 1939, No. 13937. [Class 35] In a synchronous motor for clocks &c. having a permanentmagnet rotor and a resiliently - mounted magnetic member engaging the rotor teeth for starting, as described in Specification 394,784 the centre of oscillation of the magnetic member is substantially in the rotor axis, so that the member may not strike against the stator. Fig. 5 shows a motor the rotor of which is composed of two discs l with imbricated poles k and a cylindrical magnet between them. The oscillating member consists of a three-armed spider m journalled on a boss h carrying the motor and controlled by a wire spring o engaging a slot in the boss h as shown. A modification is described with a rubber spring instead of wire.
Patent GB-645185-A (GB)
Title: Improvements relating to frequency conversion circuit arrangements
IPC: H03D7/02
Filed: 1947-05-23
Abstract: 645,185. Generating high-frequency oscillations ; superheterodyne circuits. RADIO CORPORATION OF AMERICA. May 23, 1947, No. 13977. Convention date, May 23, 1946. [Classes 40 (v) and 40 (vi)] A circuit for converting a high-frequency signal to a lower frequency comprises an oscillator producing an output frequency nf o  at a harmonic of its operating frequency fo, the harmonic and the signal being applied to a non-linear impedance mixer network designed to accentuate components resulting from a harmonic of the frequency nf o . The output of a 100 Mc/s. signal frequency amplifier valve 8 of a F.M. receiver is applied through a capacitor 19 to a non-linear impedance comprising two reversely connected diodes balanced by means of a resistance-capacitance biassing circuit 23, 24. The local oscillator comprises two valves 32 and 33 tuned to operate at frequency of 27.5 Mc/s. by a circuit comprising an inductor 35, a variable capacitor 36 and series and parallel trimming capacitors 37 and 38, a 55 Mc/s. second harmonic frequency output being produced across a common cathode resistor 31 connected in series with the diodes. It is explained that the diodes arranged in this way produce an output in the I.F. tuned circuit 22, 30 at 10 Mc/s. (i.e. 2Î55 Mc/s.- 100 Mc/s.) and that unwanted components (for example the frequency 110 Mc/s.) are at a low level. Resistor 31 may be replaced by an inductor or the common cathode lead may be connected to a tap on the I.F. coil 22. In alternative arrangements (Figs. 2 and 4, not shown), the non-linear network comprises two triode valves to which the signal and oscillator harmonic are applied in push-pull and parallel respectively, the I.F. signal being produced in the parallel connected anode circuits.
Patent GB-1049593-A (GB)
Title: Device for the transmission of tensile forces, which is easily releasable under tensile stress
IPC: F16B45/06
Filed: 1964-04-06
Abstract: 1,049,593. Couplings. GREIFZUG GESELLSCHAFT FœR HEBEZLUGHAU m.b.H. April 6, 1964 [April 6, 1963], No. 14010/64. Heading B8A. [Also in Division F2] A device for the transmission of tensile forces and which can be easily released under tensile stress comprises two substantially symmetrically constructed and arranged jaws 12a and 12b which co-operate in the manner of tongs arms, the jaw 12b carrying a stirrup 14 which is pivotable to engage over the jaw 12a and bears on the external surface of the latter when the jaws are closed. The jaws are pivoted at 13 to one end of a body 10 which at the other end has a stud 11. The jaw 12a is provided with a recess 21 for receiving the stirrup 14 when the latter is displaced to release the device, and accidental displacement of the stirrup is prevented by the provision of a spring- loaded pin 20. The latter may be replaced by a separate pin or bolt inserted into a bore in the jaw 12a.
Patent GB-1460317-A (GB)
Title: Coating systems for superalloys
IPC: C23C10/02
Filed: 1974-03-29
Abstract: 1460317 Coated superalloys GENERAL ELECTRIC CO 29 March 1974 [2 April 1973]  14013/74 Heading C7F The corrosion-resistance of Ni-base and Co-base superalloys is increased by applying a first coating of 14-35% Cr, 4-20% Al, 0À1-3% of Y and/or a rare earth element, balance Fe, Co, Ni or a mixture thereof, the coating applied by vapour deposition, followed by an aluminizing overcoating. The aluminizing coating is effected by heating the coated superalloys in a pack of an Al-containing powder, an inert filler, e.g. Al 2 O 3 , and a halide salt, preferably NaF, KF, NH 4 Cl, NH 4 F. Suitable Al-containing substances are NiAl 3  and Ti-Al-C alloy. The  first coating is 3-5 mil thick and the aluminizing overcoating penetrates into the first coating to a depth of 1-2 mil. Examples are given of suitable compositions for the first coating. In Examples 1 and 2 superalloy pins are rotated whilst being coated by a vacuum electron beam technique.
Patent GB-128465-A (GB)
Title: Improvements in or relating to Machines for Manufacturing Weldless Tubes.
IPC: B21B21/04
Filed: 1918-08-31
Abstract: 128,465. Tubes, Ltd., and Reimann, J. Aug. 31, 1918. Rolling tubes; rolling-mandrels.-In apparatus of the kind in which a tube is rolled on a mandrel E by rolls J, J', a sleeve D is provided surrounding the connexion between the mandrel E and the mandrel-carrier C. The sleeve D receives the end thrust of the tube during rolling, and may be withdrawn to allow the tube to be rolled to its end. The mandrel carrier C is given an endways and rotary movement in known manner from the spiral C<1>, and is attached to the mandrel by the T-joint E', the two parts being connected or disconnected by lateral movement while the sleeve D is withdrawn. The sleeve D is attached to the mandrel-carrier C by the thread C<2>, and is also connected through the feather-way D<3>, spur-wheel F and pinion F' to the shaft F<2> of an electric motor. The friction in the thread C<2> is normally sufficient to cause the sleeve D to move with the mandrel-carrier C, the shaft F<2> and motor running idly, but the sleeve can be moved independently by holding the shaft F<2> or actuating the motor, the switch gear of which may be operated manually, or automatically by the work. The feather-way D<3> may be given a spiral form to allow the sleeve to be moved back automatically by the work when the end of the work is approached by the rollers. Separating mandrels from work.-A loose collar may be interposed between the sleeve and the tube, to be used after completion of the rolling to interpose between the end of the tube and the usual extracting gate employed to force the tube off the mandrel.
Patent GB-289654-A (GB)
Title: Improvements in paper feeding and delivery apparatus for platen printing presses
IPC: B41F1/28
Filed: 1927-05-26
Abstract: 289,654. Vicum, K. May 26, 1927. Sheet-apparatus; delivery apparatus; gripper mechanism.-Sheets are fed to and delivered from platen machines by means of rotary suction devices having the form of a sleeve 4, Fig. 3, rotating on a hollow spindle 1 in constant communication with a vacuum and fitted with a radial passage 6 which registers successively with radial passages 5 in flanges 3 integral with the sleeve 4. While the platen 10 is in its open position, Fig. 1, the top sheet of pile 1 is fed to the platen by the successive action of the passages 5 on the sheet, and the sheet is finally held to the platen by means of a pivoted gripper 12 carried by an adjustable slide on the platen 10. The gripper 12 pulls the sheet off the printing-bed 11, the sheet being held to the gripper 12 by suction which is cut off when the gripper moves to cause the unprinted side of the sheet to contact with a vacuum delivery roller 3a mounted on a support 19, the delivery roller being constructed similarly to the feed roller 3. The delivery roll 3 passes the sheet to a further delivery device 20 which delivers the sheet printed side uppermost to the stack 21.
Patent GB-561370-A (GB)
Title: Improvements in or relating to the production of sulphur
IPC: C01B17/033
Filed: 1942-10-09
Abstract: 561,370. Sulphur. WEIL, J. A., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 9, 1942, No. 14183. [Class 90] Sulphur is extracted from masses containing it and insoluble material such as gangue by means of hot xylene, from which it is deposited by cooling.
Patent GB-1033498-A (GB)
Title: Transducer for converting the rotary position of a member into electrical impulses
IPC: G01P3/481
Filed: 1965-04-05
Abstract: 1,033,498. Selective signalling. LANDIS & GYR A.G. April 5, 1965 [April 14, 1964], No. 14360/65. Heading G4H. An incremental type shaft-displacement encoder includes a rotor, Fig. 3, having high, medium and low portions arranged respectively to block, half-block and not block an airgap in a magnetic circuit forming part of the feed-back coupling in a transistor oscillator, and the oscillator is arranged to have hysteresis, whereby a larger change in coupling is required to stop it oscillating than is required to start it oscillating. The result is to prevent the oscillator being started and stopped spuriously when, as for example in electricity meters, the rotor " dithers " about an equilibrium position.
Patent GB-150093-A (GB)
Title: Improvements in connection with hot water tanks for kitchen ranges, or the like
IPC: F24H9/12
Filed: 1919-06-06
Abstract: 150,093. Ferguson, W. D. June 6, 1919. Heating water.- In a hot-water tank or cylinder for use in connexion w i t h kitchen-range boilers, baffle-plates B, C are fitted over the hot and cold - water branch pipes A, F in order to prevent the formation of eddies or currents in the tank, thus allowing the water to be evenlv heated from the top downwards. The cold - water branch is led off from the boiler return-pipe G, and the hot-water branch from the boiler hot-water pipe E.
Patent GB-852276-A (GB)
Title: Improvements in or relating to amplifier arrangements for loud speaking telephone instruments
IPC: H04M9/10
Filed: 1959-04-28
Abstract: 852,276. Loud-speaker systems; two-way transmission. TELEFONAKTIEBOLAGET L. M. ERICSSON. April 28,. ,1959 [April 28, 1958], No. 14458/59. Class 40 (4). The control voltages for attenuating networks D1,D2 in a voice switching arrangement for a microphone M, a loud-speaker H, and a hybrid junction IL2 are taken over transistors TR1, TR2, with capacitors C11, C12 and C21, C22 in their input and output circuits such that attenuation is switched in fast and removed slowly. As shown in more detail in Fig. 2 the attenuator D1 is a parallel rectifier network associated with a shunt rectifier attenuator D3 the output of which is applied to one side of a differential rectifier bridge 1-4. Attenuator D2 is similarly associated with a shunt attenuator D4 providing output to the other side of the bridge 1-4. When speech goes from the microphone to the line L the output of D3 drives point 3 of the bridge 1-4 negative so that transistor TR1 conducts to increase current over lead 13 removing attenuation from D1 but increasing the shunt attenuation of D4. Point 4 of the bridge is driven positive so that transistor TR2 is cut off reducing the current over lead 23 to increase the attenuation of D2 and reduce that of D3. By these means the loudspeaker is isolated and the microphone is similarly isolated in response to speech from line L to the loud-speaker. At the onset of speech in either channel capacitors C11 or C12 are charged with a small time constant and switch in attenuation rapidly. Breaks in speech do not remove the attenuation unless long enough to allow capacitor C12 or C22 to charge sufficiently over lead 13 or 23. Diodes 54, 54<SP>1</SP>, across capacitors C11, C21, limit the voltage input to the transistors. As current from the transistors is temperature dependent and the pairs of attenuators D1, D3; D2, D4 act oppositely with respect to control current, net attenuation may be made independent of temperature for part of the control range when no speech occurs.
Patent GB-169748-A (GB)
Title: Improvements in ammunition hoists
IPC: F41A9/07
Filed: 1920-05-27
Abstract: 169,748. Armstrong, Whitworth, & Co., Ltd., Sir W. G., Lee, H. W., and Swindale. J. W. May 27, 1920. Loading-appliances.-Relates to ratchet-operated hoists in which projectiles are raised by pawls pivoted to a slider reciprocating in the trunk, and consists in providing automaticallyacting means for feeding and up-ending projectiles at the base of the trunk and discharging them at the top. The invention is shown applied to a double-acting hoist having oppositely-moving sliders 6, 9 carrying alternately-acting pawls 7 10 for raising the projectiles 15. The projectiles roll down an inclined waiting tray 21, Figs. 1 and 2, on to a pivoted door 17, which is con nected by a link 18 to a lever 19 engaging a slot ted bracket 200 on the slide 6. The descent of the projectiles on the tray 21 is regulated by a pivoted stop 22 and a vertically-sliding stop 23 both actuated by an arm 250 so that, as the door 17 descends, the projectile 15<1> rolls into the tray whilst the projectile 15<11> is caught by a claw 21. When the door rises, the stops also rise under the action of a spring, and the projectile 15" rolls against the stop 23 whilst a fresh projectile is placed against the stop 22. A flash-tight door 27 is provided between the stops. Fig. 3 shows a discharge tray 32 arranged at the top of the trunk 16 and mounted on a shaft 31 rocked by a crank 30 engaging a slot 280 in a plate 28 attached to the slider 9. The uppermost pawl 10 is sc shaped that the projectile thereon topples over and bears against the tray the descent of which is permitted by the groove 280 as the slider rises.
Patent GB-1018111-A (GB)
Title: Improvements in and relating to heat stabilisers for synthetic resins
Inventor: FERNLEY ARNOLD MICHAEL
IPC: C08K5/58
Filed: 1961-04-24
Abstract: Salts having (1) an organo tin grouping containing two valencies unsatisfied by the organo substituents and (ii) the residue of an alpha-, beta- or gamma mercapto-carboxylic acid, in which salt both the mercapto group and the carboxylic acid group are bonded to the same or different tin atoms in the molecule, are used as heat and light stabilizers in chlorine containing synthetic plastics compositions, especially PVC.  Compounds specified include dibutyl tin beta mercapto propionate.  The compositions may contain a plasticizer e.g. dioctyl phthalate.ALSO:The invention comprises salts having (i) an organo tin grouping containing two valencies unsatisfied by the organo substituents and (ii) the residue of an alpha-, beta- or gamma-mercapto carboxylic acid, in which salt both the mercapto group and the carboxylic acid group are bonded to the same or different tin atoms in the molecule.  The mercapto carboxylic acid may be mercapto-acetic, -propionic or -butyric acid.  The organo substituents on the tin atom may be alkyl (C1-C12, preferably C4), aralkyl (benzyl, phenylethyl), aryl or alkaryl.  They may be prepared by reacting the two reactants in a solvent, e.g. toluene, which forms an azeotrope with water.
Patent GB-1097382-A (GB)
Title: Dyeing process
IPC: D06P5/20
Filed: 1965-04-07
Abstract: A textile material made of a synthetic linear polymer is continuously dyed by passing the material through a zone in which a dye liquor free from any binder is applied to it and thereafter passing the material wet with dye liquor continously into and through a zone in which it is heated at a temperature above 204 DEG C but below the softening point of the polymer for a longer time than is needed to dry the material and for a period in excess of 2 mins.  Specified polymer materials are polyesters and polyamides.  Specified classes of dyes are cellulose acetate dyes, azo dyes (metal-free or metallised), phthalocyanine pigments and vat dyes, including those of the anthiraquinone, indigo and thioindigo series.  Also, substances which are not dyes 'per se' but are convertible thereto when heated by themselves or in the presence of oxidising agents may be used.  An apparatus suitable for carrying out the above process is described. Examples are given in which safety belt webbing is dyed.