baber/WOPTO huggingface dataset:
Patent GB-1472930-A (GB)
Title: Apparatus for discriminating an operated sensor of an alarm system
IPC: G01R19/15
Filed: 1974-05-22
Abstract: 1472930 Thyristor firing circuits HOCHIKI CORP 22 May 1974 [23 May 1973 25 May 1973] 22796/74 Heading H3T [Also in Division G4] In apparatus discriminating an operated sensor in an alarm system in which sensors are connected in parallel between signal lines, when a sensor is operated, current flowing in the signal line l1 is coupled with an annular magnetic core MC which turns on a programmable unijunction transistor PUT so as to discharge a capacitor C2 via the gate cathode circuit of a thyristor SCR, to trigger the thyristor on. Turn on of the thyristor operates a relay in a receiver REC. A capacitor C1 and a resistor R1 eliminate noise signals. An emergency such as a fire hazard can be displayed on a receiver (R, Fig. 4, not shown) by closing contact (2) of a plurality of parallel connected sensors (1) so as to unbalance normally balanced currents through conductors (l11, l12) which pass through the core so that the thyristor SCR in the transmitter TRS corresponding to Fig. 2 is turned on. This operates the relay L in the receiver REC to display the emergency condition. In a fire alarm system Fig. 5, manually or automatically closed transmitter contacts 10 are provided for zones or blocks of a building so as to operate an alarm relay 11 which is held on by a self holding contact 11a. A relay F also operates to close contacts f1 to operate relay FA contacts fa2, fa3 in a divided display device to discriminate which one of the transmitters 10 is operated. Closure of the transmitter contacts 10 also fires the SCR, in the circuit S corresponding to Fig. 2, to connect a resistor RX specific to the operated transmitter 10 into a bridge circuit consisting of constant current sources RS, R<SP>1</SP>S, a potentiometer Rp and the resistor Rx. The relay contacts fa2, fa3 function to operate relay D contact d which energizes a relay LS to drive a stepping switch RSW until the bridge circuit is balanced. Then a transistor switching circuit A2 controlled from the output of an integrated circuit amplifier A1 is de-energized to stop the stepping switch RSW so that the adjusted value of the potentiometer Rp indicates the transmitter 10 which has been operated. If the transmitter 10 is not operated when the SCR is turned on by noise an output from the amplifier A1 operates the switching circuit A2, after a delay determined by R4, C3 so as to energize relay Q. This opens contact q to turn off the SCR.
Patent GB-810932-A (GB)
Title: Improvements in or relating to locking devices
IPC: G05G5/18
Filed: 1955-07-01
Abstract: 810,932. Sliding bolts. VAN DER LELY N.V., C. July 1, 1955 [July 5, 1954], No. 22859/58. Divided out of 810,931. Class 44 In a locking device of the kind having a locking pin 19 which can be moved in a longitudinal direction through a bearing to thereby be brought into an aperture of an element 9 to be locked, a substantially helical cam surface 24 is located at one end of the bearing and the locking pin is bent laterally to engage the said surface so that on turning the locking pin with the aid of the laterally bent part thereof the latter rides up the said surface to cause the longitudinal movement of the pin in the bearing. The bearing is a hole in a lug 18 which is welded to an arm 2 the arm being rotatable about a pivot pin 1 relative to the element 9. The element 9 is welded to a tube 3 which carries the pivot pin 1. A plurality of apertures 15 for engagement by the locking pin 19 are provided in the. element 9 with any one of which the locking pin can engage to position the arm 2 relative to the tube 3. A second bearing for the locking pin is provided in a lug 17 which is also welded to the arm 2. The locking pin is urged into its locking position by means of a spring 20 which is positioned between the lug 18 and the washer 21 mounted on the pin 19 by means of a split pin 22; the laterally bent part 23 of the locking pin serves as a handle in addition to engaging the cam surface 24 which is part of a member 26 welded to the lug 18.
Patent GB-458520-A (GB)
Title: Improvements in the construction of temporary bridges, floors, landing gangways, loading platforms and like temporary floor structures
IPC: E01D15/133
Filed: 1935-08-14
Abstract: 458,520. Gangways. CAMPBELL, D., 7, Beech Avenue, Glasgow, and CRAIG, T. J., Stately Hill, Buchlyvie, Stirlingshire. Aug. 14, 1935, Nos. 22878/35 and 14674/36. [Class 113 (i)] [See also Group X] A gangway comprises interlocking transverse floor members resting upon parallel steel rails and provided on their undersides with means which detachably engage the rails to position the latter and prevent transverse movement of the floor members. In the form shown, the floor members comprise cross-bars or battens 8 provided on their upper surfaces with foot grips 11 which serve also to interlock the members, and lugs 9 are bolted to their undersides to engage the sides of the supporting rails 5. According to a modification, the floor members may be interlocking corrugated metal sheets.
Patent GB-930755-A (GB)
Title: Deoxidizer for an aluminium surface, a concentrate therefor and a process for utilising the deoxidizer
IPC: C23G1/12
Filed: 1959-07-03
Abstract: Aluminium or its alloys are deoxidized and passivated by treatment at 110-212 DEG  F. with an aqueous solution having a pH of 0.4-1.19 and containing (a) an alkali metal chromate or dichromate, or chromic acid, and (b) a strong inorganic acid other than chromic and hydrohalic acids, or an alkali metal acid salt of said acid or a mixture of said acid salt and said acid.  The solution contains 0.2-30% of the chromate, dichromate or chromic acid calculated as CrO3, the acid may be sulphuric or nitric or mixtures of these with an alkali metal acid salt.  A non-ionic wetting agent may be added to the solution and the treatment may be carried out by spraying or by immersion in a four tank system involving (1) an alkaline degreasing; (2) water rinse, (3) passivating; (4) water rinse.  Drying is effected at room temperature or at 212 DEG  F.  Examples are given of the treatment of several standard aluminium alloys and the solution is prepared from a concentrate of the constituents.
Patent GB-825495-A (GB)
Title: Improvements in or relating to printed electric circuits
IPC: H05K3/20
Filed: 1957-07-19
Abstract: 825,495. Transfers. GENERAL MOTORS CORPORATION. July 19, 1957 [Aug. 8, 1956], No. 22903/57. Class 100(2) [Also in Group XXXVI] A transfer for use in forming a printed circuit is made by a process involving the steps of coating a stainless steel base plate 2 with a resist ink leaving the plate uncovered over an area corresponding to the desired circuit pattern, electroplating a copper deposit on to the exposed surface of the base plate and removing the resist ink from the base plate to leave a pattern as shown in Fig. 3. On placing the plated surface of the base plate in contact with one surface of a stack, Fig. 4, of insulating sheets impregnated with uncured thermosetting resin, applying heat and pressure to the stack and to the base plate and finally removing the base plate, the copper circuit pattern is transferred to and left embedded in the surface of the cured impregnated stack. The resist ink may be applied in the desired pattern by a silk-screen process. The copper circuit pattern, Fig. 3, is treated with an oxidizing solution after the removal of the resist to produce a black copper-oxide coating thereon. This is stated to assist the adhesion of the circuit pattern to the insulating stack. An adhesive layer 16 is placed between the base plate 2 and the stack, Fig. 4, which is itself placed upon an aluminium foil sheet 12 standing upon analuminium base plate.
Patent GB-461329-A (GB)
Title: Improvements in or relating to resuscitation and inhaling apparatus
IPC: A61M16/00
Filed: 1935-08-15
Abstract: 461,329. Bellows. KING, A. C. Aug. 15, 1935, No. 22954. [Class 8 (i)] [Also in Group VI] A bellows employed in resuscitation has driving means operated by the gas supplied to the patient. The bellows 7, connected to the patient through a regulating valve 9 and pipe 10, is connected by a rod 8 to a piston 5 within a cylinder 2. The bellows is connected by a pipe 6 to a valve casing 1 which is also connected by pipes 3, 4, to the opposite ends of the cylinder 2 and by a pipe 1a to gas under pressure. A rotary valve within casing 1 in one setting connects pipes 1a and 4, and pipes 3 and 6, thus forcing up the piston 5, compressing the bellows 7 and displacing gas above the piston into the bellows ; in the other setting the valve connects pipes 1a and 4, and pipes 4 and 6, the piston being thereby reversed, the bellows opened and the charge beneath the piston displaced into the bellows. The valve is actuated by movements of the piston a rod 12 on which carries a cross-piece 13 carrying a spring or a pair of springs 15 connected to a lever or levers 16 secured to the valve. Adjustable stops 18 limit the movement of the valve and a rod 17a connected to an extension of lever 16 permits correct setting of the valve on starting. An excess pressure release valve 11 is provided for the bellows and a vacuum release valve may also be provided.
Patent GB-640175-A (GB)
Title: Improvements in and relating to driving apparatus for magnetic sound recording or reproducing devices
IPC: G11B15/50
Filed: 1947-08-19
Abstract: 640,175. Magnetic sound recording and reproducing. BEKA St. AUBIN AKT.-GES. Aug. 19, 1947, No. 22971. Convention date, Aug. 20, 1946. [Class 40 (ii)] In a driving device for a'magnetic sound recorder and/or reproducer having two receiving reels 1, 2 for a sound carrier 3, the reels 1, 2 are driven by a driving motor 7, and a free-wheel 13, 14 inserted in the gear train of the reel 2, and a magnetic coupling in that of the reel 1. The magnetic coupling comprises a driving disc 12 loosely mounted on the shaft 5 of the reel 1 and carrying a winding 15 fed through two slip rings 16, 17, the winding 15 co-operating with an armature disc 18 movable axially and urged by a spring 19 into contact with a disc 20 rigidly mounted on the shaft 5. The magnetic coupling is arranged so that it receives current, thereby retracting the armature 18 away from the disc 20, only when the motor 7 is switched on for backward running R, but is operative under all other conditions, and is in operative connection with the reel 2 by a reduced gear ratio corresponding to the speed ratio between forward V and backward R running. The whole arrangement is such that the reel 1 is braked at the moment that the backward running is stopped, whereby the kinetic energy of the reel 1 is used to impart an additional impulse to the reel 2 in order to ensure that the sound carrier 3 is maintained in tension.
Patent GB-632835-A (GB)
Title: Improvements in or relating to colour photography
IPC: G03C7/384
Filed: 1947-08-19
Abstract: 5-Acyloxy- and 5-sulphonyloxy-pyrazoles are prepared by reacting a 5-pyrazolone having an active methylene group in the 4-position with at least one molecular equivalent of an acyl or sulphonyl halide and an acid binding agent, e.g. an inorganic or organic base.  1 - (4 - Carboxyphenyl) - 3 - methyl - 5 - pyrazolyl p-toluene sulphonate is prepared by adding a dioxane solution of p-toluenesulphonyl chloride to a cooled solution of 1-(4-carboxyphenyl)-methyl-5-pyrazolone in aqueous dioxane containing KOH.  1 - Phenyl - 3 - methyl - 5 - pyrazolyl dichloracetate is prepared by adding dichloracetyl chloride to a cooled pyridine solution of 1-phenyl-3-methyl-5-pyrazolone.  1 - (4 - Carboxyphenyl) - 3 - methyl - 5-pyrazolyl acetate is prepared by refluxing a suspension of 1-(4-carboxyphenyl)-3-methyl-5-pyrazolone in acetic anhydride containing sodium acetate.  1 - (4 - Chloroformylphenyl) - 3 - methyl - 5-pyrazolyl acetate is prepared by adding thionyl chloride to a diethyl ether solution of 1-(4-carboxyphenyl) - 3 - methyl - 5 - pyrazolyl acetate and refluxing.  M - [p - (5 - acetoxy - 3 - methyl - 1 - pyrazolyl)-benzamido]-benzaldehyde dimethyl acetal is prepared by adding 1-(4-chloroformylphenyl)-3-methyl-5-pyrazolyl acetate to m-aminobenzaldehyde diethyl acetal in aqueous potassium carbonate.  N - 3 - (5 - methylcarbonato - 3 - methyl - 1-pyrazolyl)phenyl methyl urethane is prepared by reacting 1 - m - aminophenyl - 3 - methyl - 5-pyrazolone with methyl chloroformate in aqueous NaOH. Specifications 629,482, 631,269 and 635,294 are referred to.
Patent GB-373860-A (GB)
Title: Improvements in and connected with superheaters
IPC: F22G5/06
Filed: 1931-08-15
Abstract: 373,860. Steam superheaters. BABCOCK & WILCOX, Ltd., Babcock House, Farringdon Street, London.-(Babcock & Wilcox Co ; 85, Liberty Street, New York, U.S.A.) Aug. 15, 1931, No. 23057. [Class 123 (iii).] To prevent overheating the tubes of a superheater 10 heated by radiant heat, and to control the superheating of the steam, jets 16 of furnace flue or other relatively cool gases are directed along the tubes on the side facing the furnace. The cooling gases may be drawn from the boiler outlet flue 26 through a pipe 24 by a blower 20. In a modification, two superheaters connected in series or in parallel are arranged against a furnace wall and cooling gases are directed along' the tubes from jets placed below each superheater and supplied from a common blower. In another modification, jets of cooling gases are directed along the limbs of a U-tube superheater arranged between banks of inclined water tubes connected to vertical headers.
Patent GB-733700-A (GB)
Title: Improvements in or relating to spinning, twisting and like textile processes
Inventor: BEE JOSEPH RYDER
IPC: D01H1/38
Filed: 1952-09-16
Abstract: 733,700. Spinning yarns; bobbins. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd. Nov. 9, 1953 [Sept. 16, 1952]; No. 23203/52. Drawings to Specification. Classes 120(2) and 120(3).  Prior to the commencement of the filling of a bobbin with yarn, a few turns of the yarn are lapped around the barrel of the bobbin and a " tag-end " is formed by wrapping a piece of yarn around two or more projections, such as the driving pins, which extend upwardly from the bobbin support, and then severing the yarn by external means to free it from a preceding filled and recently doffed bobbin. The passage of the yarn from the barrel to the projections may be via guides on the bobbin base or an attachment thereto such as a flanged shell mating therewith ; such guides may be one or more annular grooves, or inclined grooves which may be helical or helicoidal and extend partially or completely around the base and comprise one or more turns, the ends being flared to provide yarn entries: additional frictional yarn-holding devices such as clips, serrations, or pins or friction material housed in notches or recesses, on the upper surface or edge of the base or an annular attachment thereto may be provided. The tag end may be secured during spinning by retaining devices such as one or more notched screws each extending above the surface of the yarn support : spacing bosses or washers may be used to ensure a clearance between the bobbin and its support to enable entry of the wrapped end of yarn.
Patent GB-304574-A (GB)
Title: Improvements in or relating to single-stage electrically driven rotary compression or vacuum pumps for braking purposes on vehicles
IPC: B60T17/02
Filed: 1928-08-11
Abstract: 304,574. Spirig, C., and Swiss Locomotive & Machine Works. Aug. 11, 1928. Mounting.-A. rotary compressor or vacuum pump 1 and its electric motor 2 for braking purposes on vehicles are mounted on an intermediate pedestal portion 3 surrounding the coupling 4. The parts can be secured together with the pedestal in any desired angular position.
Patent GB-224651-A (GB)
Title: Improvements in insulated receptacles for the preservation and transportation of comestibles
IPC: A47J41/00
Filed: 1923-09-18
Abstract: 224,651. Heath, G. W. Sept. 18,1923. Cold and heat retaining vessels. - A set of dishes k for cooked food &c. are carried one above another in a heat-insulated container a in such a manner as to prevent displacement during transport, and the container a is formed with a bottom ridge g adapted to seat in the dished lid c of another container to facilitate stacking. The dishes have recessed lids m and are. mounted in a bridle fitting comprising a bottom plate o, side uprights p, and hinged handles q. These handles q are shaped so as to engage resiliently the inwardly projecting part e of the insulated lid, whereby displacement of the dishes is prevented. The lid is hinged at d and secured by a hasp h, and is fitted with a drop handle j.
Patent GB-1330808-A (GB)
Title: Process for the preparation of carotenoid compounds
IPC: C07C403/02
Filed: 1972-05-18
Abstract: 1330808 Retinyl sulphones RHONEPOULENC SA 18 May 1972 [19 May 1971] 23369/72 Heading C2V The invention comprises retinyl sulphones of formula where R is alkyl, aryl, alkaryl, or aralkyl and Y is hydrogen or retinyl, which may be reacted with an ester of formula Ret-X, where Ret is retinyl or substituted retinyl and X is a residue of an acid, in the presence of an alkaline reagent, and then desulphonating the product to obtain a carotene compound. In examples retinylphenyl-sulphone is obtained by reacting sodium phenylsulphinate with 3-retinol and with retinyl acetate (vitamin A acetate); retinyl-phenylsulphone is reacted with retinyl bromide and with retinyl chloride to obtain carotenoid phenyl sulphone which is desulphonated to #-carotene.
Patent GB-859516-A (GB)
Title: Improvements relating to processing sludges or slurries
Inventor: BAUMERT PAUL AUGUST FRANZ
IPC: B03C1/00
Filed: 1958-07-21
Abstract: 859,516. Preparing ores. Magnetic separators. EMSCHER AUFBEREITUNG G.m.b.H. July 21, 1958, No. 23377/58. Classes 82(1) and 117 The valuable components of sludges are separated from waste by wet-mechanical and/or wet-magnetic separation by adding water or solids till the sludge has a solid content of 300-500 grams per litre, homogenizing, and feeding to the separator at a controlled rate in a homogeneous state. As shown, sludge container 1 has a rotatable valve and mixer 3 with vanes 4 and below it there is a roller 10 with a diametrical slot 11 through which sludge 13 flows over the full working width of the double drum magnetic separator. It is first subjected to magnetic field 15 and particles which adhere to the drum are removed by rinsing device 17 into discharge device 18 while the remaining sludge flows to the following separator and into the range of magnetic field 19. Magnetic and non-magnetic material are separated at 22 and 23 respectively. In an alternative embodiment (Fig. 4, not shown) a single belt magnetic separator is used, in a further alternative (Fig. 5, not shown) the sludge is pretreated by belts of permanent magnets above and below a stream of sludge which move along with the stream to cause the magnetic particles to agglomerate prior to separation by drum separator, and a further alternative (Fig. 6, not shown). comprises a single moving belt of permanent magnets above the stream of sludge which both agglomerates and separates the pretreated fraction. The sludge may be heated to above 30‹C. prior to separation and fixed permanent magnets may be used for pre-treatment
Patent GB-1161840-A (GB)
Title: Video Amplifier Circuit for Colour Signals and/or Chrominance Signals.
Filed: 1967-05-19
Abstract: 1,161,840. Video amplifier. INTERNATIONAL STANDARD ELECTRIC CORP. 19 May, 1967 [24 May, 1966], No. 23391/67. Addition to 1,158,779. Heading H4F. The Specification describes a colour video amplifier being a modification of that described in parent Specification 1,158,779, wherein the line-fly back pulses (dotted line, Fig. 2b) used to actuate the video amplifier output sampling via diode 13, Fig. 1, are limited by means of biased diode 29 so as to have a substantially rectangular shape, Fig. 26. This removes irregularities in the pulse shape due to harmonic distortion &c.
Patent GB-761939-A (GB)
Title: Improvements in or relating to shirts and collars
IPC: A41B3/04
Filed: 1954-08-13
Abstract: 761,939. Shirt collars: EVANS, C. Aug. 13, 1954, No. 23502/54. Class 141. A shirt provided with a detachable collar comprises a shirt neckband 5, formed on its inner side with a downwardly extending member 6, a collar 1 provided with an upwardly extending member 4 adapted to be received in the slot formed between the neckband and the member 6, and securing means for maintaining the neckband, the member 6, and the member 4 in an interlocked position. The securing means comprises a number of buttons secured to the collar and adapted to engage in a series of aligned holes in the member 6, the member 4 and the neckband 5.
Patent GB-532062-A (GB)
Title: Improvements in and relating to protective systems for electric circuits employing tap-changing arrangements
IPC: H02H7/055
Filed: 1939-08-15
Abstract: 532,062. Protection cut-out arrangements. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 15, 1939, No. 23549. Convention date, Aug. 17, 1938. [Class 38 (v)] A supply is connected to a load circuit over an automatically-reclosing circuit breaker 6 and transformer 2, which is provided with a tapchanging arrangement adapted to be held inoperative during abnormal conditions. The reclose-system is adapted to restore the breaker three times, if the fault persists, and thereafter to be locked out, and the tap-changing interlock relay 35 is in parallel with the timer-motor 26 so as to be energized while the latter is energized. A voltage relay 10 has over- and undervoltage contacts 12, 13 in series with relays 14, 15 controlling forward and reverse field-windings 40, 43 of the motor 9, the circuit including relaycontacts 34 and back contacts 58 of the breaker 6. When the latter is tripped, 26 and 35 are energized over closed back contacts 45 and contacts 48, 46 of timer-cams 27, 28, respectively. the motor 26 at once rotates and cam 27 makes a retaining circuit for 26, 35 at contact 50. Subsequently cam 29 changes over to contact 54, so energizing relay 30, which lifts and makes a maintaining circuit for itself at contacts 55 and when, subsequently, contact 53 of cam 29 is reengaged, a circuit is made for the reclose relay 31 at contacts 53, 56. Closure of the breaker effects de-energization of the relay 30 and hence of the reclose relay 31 at contacts 45. If the breaker reopens, the above sequence is repeated by the cam 29 up to three reclosures. Thereafter the cam 28 changes over to contact 47<1> and if the breaker is open, the motor is de-energized and locked out. If however the breaker remains closed, motor 26 will continue to be energized over back contacts 58 until the timer is restored to normal position, during which operation, 46 is re-engaged to restore the original holding circuit for motor 26, and finally cam 27 changes back to contact 48 to break that holding circuit and since contacts 45 are open, de-energize the motor 26.
Patent GB-633023-A (GB)
Title: A device representing the terrestrial globe
IPC: G09B27/08
Filed: 1947-08-26
Abstract: 633,023. Geographical maps. COKER, A. W. Aug. 26, 1947, No. 23562. [Class 146 (ii)] A device for representing the terrestrial globe comprises a flat circular element 3 bearing on one side a representation of one hemisphere of the globe and on the other the diametrically opposite hemisphere, the element 3 being pivoted at diametrically opposite points of a circular aperture 2 of a flat frame 1 by hinges permitting a 180 degree rotation. The element 3 is stamped out of card or stiff paper and has stamped integrally therewith lugs 4, 4a which face in opposite directions and have a space 5 formed between each lug and the periphery of the element 3. Each lug is attached, as by gumming, by its free portion 4 to the frame 1 and has a fold or crease 6 in continuation of the axis, thus forming the hinge. A representation 7, 8 of a semi-circular frame in which a globe is usually mounted may be marked with degrees of latitude on the frame 1.