baber/WOPTO huggingface dataset:
Patent GB-1260121-A (GB)
Title: An improved system for detecting the healthy condition of a rectifier diode in an electrical control or proving circuit
Inventor: MILLER JOHN ALAN
IPC: H02H7/00
Filed: 1968-01-22
Abstract: 1,260,121. Protective arrangements. WALLACETOWN CONTROL SYSTEMS Ltd. 11 Feb., 1969 [22 Jan., 1968], No. 3224/68. Heading H2K. A remote control or cable proving circuit of the kind having an auxiliary supply transformer 10 and at a distant point a rectifying diode 16, the transformer and diode being interconnected by a cable conductor 13 and a conductor 17 which may be an earth connection, is provided with series resistors 11, 12, a short-circuit detector 20 and an open-circuit detector 21 connected to the junction 18 between the resistors and a bi-stable. multi-vibrator 22 connected to the outputs of both detectors. Normally, the potential at 18 is such that on positive half cycles one detector produces output pulses and on negative half cycles the other detector produces output pulses, the resulting output of the multivibrator being amplified at 23, transformed at 24, rectified at 24a and applied to a closed loop circuit 25 controlling a switch 27. A short circuit, an open circuit or incorrect polarity of the diode 14 causes the half cycle pulses from one or other detector to cease so that the multivibrator ceases to provide an output. In the arrangement shown, the upper circuit functions as remote control circuit being provided with a starting switch 14, a resistor 15 and a time switch 17a. A start circuit detector 26 provides half cycle pulses when the switch 14 is closed and these pulses together with pulses from the short circuit detector are applied to a further multivibrator 29 connected to the loop circuit 25 through an amplifier 30, transformer 31 and rectifier 32. A cable proving circuit with diode 42, resistors 40, 41, open and short circuit detectors 43, 44 and multivibrator 45 is connected to the loop circuit 25 which has to receive an output from the three circuits shown to control the switch 27.
Patent GB-587564-A (GB)
Title: Improvements relating to igniter plugs
IPC: H01T13/16
Filed: 1942-03-11
Abstract: 587,564. Sparking plugs for turbines. POWER JETS, Ltd., and MEESON, E. L. March 11, 1942, No. 3227. [Class 51 (i)] [Also in Group XXVII] A sparking plug 2 for initiating combustion in a substantially cylindrical flame tube 8 leading to a gas turbine is fitted in an adapter 5 extending across a cooling-air jacket 7 surrounding the tube 8 and having openings 9 for admitting cool unburnt air through the adapter into the combustion space around the electrodes 1, 6 of the plug.
Patent GB-813360-A (GB)
Title: Improvements in strikers for igniters
Inventor: SCHERMULY ALFRED JAMES
IPC: F42C7/12
Filed: 1957-01-31
Abstract: 813,360. Igniters for signal flares. SCHERMULY PISTOL ROCKET APPARATUS Ltd. Jan. 29, 1958 [Jan. 31, 1957], No. 3377/57. Classes 9(1) and 9(2) Ignition mechanism for flares comprises a cylindrical body 1 having a closed end 2 perforated to house a percussion cap 10 and carrying spaced parallel w e b s 4 through which extends a screw 8 carrying a spring-stressed arm 6 integral with a firing pin 5. The arm 6 is held at safe by an arcuate stop 15 on the inside of a cap 13 rotatably mounted on the body 1. Rotation of the cap during transport is prevented by a safety pin 18 extending through aligned openings in the cap and webs. During assembly a tool may be passed through an opening 19 in the end 2 to hold the arm 6 away from the percussion cap 10, while the cap 13 is being placed on the body 1. The tool may be an internally threaded tube which engages a threaded extension 20 of the firing pin 5.
Patent GB-660894-A (GB)
Title: Improvements in or relating to electrical instrument movements of moving magnet type
Inventor: HARDING GEORGE NELSON
IPC: G01R5/16
Filed: 1949-02-08
Abstract: 660,894. Electromagnetic ammeters and voltmeters. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Feb. 8, 1950 [Feb. 8, 1949], No. 3478/49. Class 37. In a moving magnet movement assembly a generally flat one-piece or composite member is formed with an aperture from whose margin or periphery extends one or more supports locating and holding one or more stator or fixed coils over the moving magnet which projects from and rotates within the aperture. The spindle secured to the moving magnet extends within at least one bore-like passage opening into the aperture. In Figs. 4 and 5 the generally flat member comprises two contiguous rectangular copper plates 122, 123 with rectangular apertures 124, 125 and aligned grooves 126, 127 forming a passage accommodating the spindle 112. Two cheese-shaped bulges 124a, 125a constituted by material pressed out to form the apertures 124, 125 carry the stator coils 141, 142 and form an enclosure for the moving magnet 111 whose axis of rotation is within the opening formed by the registering apertures 124, 125. The copper plates 122, 123 are a tight sliding fit within slots 134, 135 in a main supporting frame 115. The limbs 162 of the control torque U-shaped magnet 161 which enter arcuate slots in the large gear-wheel 118 serve as stops limiting the travel of the magnet rotor 111. In a modification, Figs. 1, 2 and 3 (not shown), instead of utilizing integral projections to support the coils the latter are mounted on a separately formed ring which surrounds the magnet and is mounted within and projects from the extremities of the aperture in a composite support member.
Patent GB-563516-A (GB)
Title: Improvements in implements employed in agricultural operations such as the transplantation of cabbage and like plants or the sowing of seed
Filed: 1943-03-04
Abstract: 563,516. Transplanting machines; seed sowers &c. BOMFORD, D. R. March 4, 1943, No. 3549. [Class 6 (i)] Drills for transplanting cabbages &c., seed-sowing and like operations, are cut by machines having a share 3 which is pivoted at its front end to the frame 4 and pivoted intermediate of its ends to a link 13 connected at its upper end to the short arm 11b of a lever 11 by which movement of the share into or out of operative position may be effected from the attendant's seat 14. The lever may be directed laterally to avoid interference with the seed-sowing mechanism. The share may be of asymmetrical V-shape. Consolidating land wheels relatively displaced fore-and-aft may be provided, as well as a drill-covering blade 16.
Patent GB-435013-A (GB)
Title: Improvements in or relating to power plant equipped with hydraulic transmission, particularly for marine propulsion
IPC: F16H45/00
Filed: 1935-02-04
Abstract: 435,013. Hydraulic transmission of power. AKTIEBOLAGET LJUNGSTROMS ANGTURBIN, 32, Kungsgatan, Stockholm. Feb. 4, 1935, No. 3604. Convention date, Feb. 12, 1934. [Class 69 (ii)] [See also Group XXXIII] A hydraulic transmission, particularly for marine propulsion, comprises a hydraulic gear 3, 4, the driven shaft 7 of which carries the primary member 8 of a reversing hydraulic gear, having guide vanes 9 mounted on its casing 12 and a secondary member 10 connected to the final driven shaft 22. When the shaft 22 is to be driven forward, the end portion 7<1> of the shaft 7 is clutched to a member 19, 20 connected to the shaft 22, and the casing 12 is freed for rotation; reverse drive is obtained by applying a brake 28 to the casing 12, and disengaging the shaft 7 from the shaft 22.
Patent GB-286850-A (GB)
Title: Improvements in the manufacture of ethylene glycol
IPC: C07C31/20
Filed: 1927-02-08
Abstract: 286,850. British Dyestuffs Corporation, Ltd., Saunders, K. H., and Wignall, H. Feb. 8, 1927. Ethylene glycol ; ethylene oxide. - Ethylene chlorhydrin is carried off by a current of steam from' a crude solution, and is continuously hydrolyzed in the vapour phase. The steam and vapour of the chlorhydrin are supplied at A to a tower B which receives at the top a solution of sodium carbonate or a strong solution of caustic soda for the production of glycol or ethylene oxide as the case may be. The vapour bubbles through a layer of the product in the bottom of the tower, and the steam passes away to a condenser D and an aqueous and oily layer separate in a catch pot E. Heat is applied to the bottom of the tower B so that the product may be concentrated, if desired up to the point at which sodium chloride crystallizes.
Patent GB-1501002-A (GB)
Title: Electrical connector for an insulated cable
IPC: H01R9/03
Filed: 1975-01-28
Abstract: 1501002 Branch line connector BURNDY CORP 28 Jan 1975 [28 Jan 1974] 3661/75 Heading H2E A branch terminal for connecting a branch line (not shown) to a cable 8 comprises a twopart casing 1, 2, hinged about an axis 3, the parts being brought together by turning the screw-heads 13. The casing contains toothed contacts 4 which each have a hole 14 for receiving the branch line which is secured by a screw 21, and also contains insulating plates 18, sleeves 20 surrounding said screws 21 and tongues 19 separating pairs of conductors 5.
Patent GB-612122-A (GB)
Title: Hydrogen-cyanide recovery
IPC: C10K1/12
Filed: 1946-02-05
Abstract: <PICT:0612122/III/1> Hydrogen cyanide substantially free from hydrogen sulphide is recovered by absorbing these gases from fuel gas by means of an aqueous scrubbing liquid, stripping this liquid and passing the gases therefrom to a selective absorbing zone in which all the HCH and a small amount of H2S are absorbed in an absorbent liquid, rectifying the absorbent solution while acidified with an auxiliary acidic medium.  To maintain a pH from 2.2 to 5.5, removing the H2S as exit overhead vapours, withdrawing the absorbent liquid containing HCN and recovering the HCN therefrom. Aqueous scrubbing liquids specified are sodium carbonate, sodium phenolate, alkyl amines, phosphates and salts of weak acids. Acidic media specified are: carbon dioxide, sulphur dioxide, formic, phosphoric and sulphuric acids; sodium acid citrate, sodium acid sulphate, mono-ammonium and mono-sodium phosphates. According to a preferred embodiment, an alkaline solution which has been used for scrubbing, e.g. coke oven gas, is passed into an actifier column 10 and stripped by heating to boiling.  The stripped gases comprising H2S, HCN, CO2, water vapour and naphthalene are cooled to 100 DEG  F. in a condenser 26, and passed into a naphthalene scrubber 36 containing an absorbent oil for naphthalene.  The gaseous mixture then passes through a second cooler, a vacuum pump 58 and condenser 64 into a column 80 that is divided above and below the inlet pipe into an absorber and a rectifier section, respectively 82 and 84.  The incoming gaseous mixture flows upwardly in 82 to contact a descending flow of cold acid water, unabsorbed H2S and CO2 issuing through line 90 while the HCN in solution overflows from bubble-cap trays in 82 to the rectifying section in which the remaining H2S is volatilised from the absorbent liquid which is pumped into a HCN still 106, the HCN gas from which may be dried and liquefied. The H2S with a minor amount of HCN flows upwardly through the rectifying section and mixes with incoming gases to be treated.  Liquid from the still 106 is returned through a cooler to the absorber section 82, while HCN issues through line 126, cooler 128 and line 134; the condensate from cooler 128 may be returned to the still or sent to storage.  Instead of distillation, the acid solution of HCN leaving the rectifier may be neutralised by caustic alkalis to form crystallisable sulphur-free alkali cyanide salts.
Patent GB-829752-A (GB)
Title: Improvements in or relating to dump semi-trailers
IPC: B60P1/08
Filed: 1957-02-01
Abstract: 829,752. Tipping vehicles. SCHONROCK, E. A. Feb. 1, 1957 [April 26, 1956], No. 3671/57. Class 108(1) A cable-operated tipping semi-trailer has an auxiliary jack 52 mounted on the upper fifth wheel 12 to engage a notched bracket 68 on the body 14 to give it an initial lift. Final tipping of the body is completed by the cable and strut 20 with the jack out of engagement with the bracket 68.
Patent GB-123734-A (GB)
Title: Improvements in or relating to High Frequency Generators.
Inventor: GIRARDEAU EMILE
IPC: H03B11/08
Filed: 1919-02-14
Abstract: 123,734. Girardeau, E. Feb. 14, 1918, [Convention date]. Addition to 12809/13. Exciting.-The method of controlling a serieswound supp]y dynamo of an arc or spark high- @equency generator described in the parent Specification is adapted for the control of a shuntwound dynamo. The dynamo M, supplying current through inductances S, S<1> td an are E, has its field winding W connected in series with an auxiliary exciter Z having two field windings W<1>, W<2>, of which W<2> is separately excited and W<1> is connected in shunt to part of the inductance S<1> in the arc circuit. Ohmic resistances L, 0, P are preferably arranged as shown.
Patent GB-783350-A (GB)
Title: Improvements in or relating to ventilating covers
IPC: A41D31/00
Filed: 1955-02-08
Abstract: 783,350. Clothing for animals. MAUCH, H. A. Feb. 8, 1955 [July 1, 1954], No. 3770/55. Class 62. [Also in Groups VI, IX and XIII] A cover designed to permit the adequate ventilation of the animal being covered, comprises two sheets 1, 2 of air impervious material sealed together at their edges and at spaced intervals throughout their entire area, as at 7 in Fig. 2. The sheet 1 is provided with an air inlet 6 and the sheet 2 which is placed in contact with the animal being covered, is provided with holes 4 through which jets of air pass from the billowed portions 10 of the cover to the spaces 8 adjacent said animal, the air afterwards escaping through vent holes 9 in the sealed portions 7. Further holes 3 are provided in the sheet 2 to ensure the efficient ventilation of the animal covered.
Patent GB-354159-A (GB)
Title: Manufacture of acetic anhydride
IPC: C07C51/56
Filed: 1931-02-06
Abstract: Acetic anhydride is produced by treating glacial acetic acid with acetyl chloride or with a substance which produces acetyl chloride, such as thionyl chloride, in presence of boiling acetic anhydride. The acetic acid and acetyl chloride may be used in liquid or vapour form and may be introduced into the apparatus in the same direction as in countercurrent.  The reagents are used in about theoretical proportions, preferably with a small excess of acetyl chloride.  In examples (1) a mixture of acetic acid and acetyl chloride from a vessel 1 is introduced through a measuring device 2 and siphon 3 directly or through a copper evaporating pipe into the bottom 4 of a column 5 preheated by  <PICT:0354159/IV/1> the vapour of acetic anhydride which is boiled in the still 4 by means of a heating coil 6.  Acetic anhydride formed in the column 5 falls into the still 4 and overflows at 7, while the waste gases pass through a reflux condenser 8 and a second condenser 9, the condensate collecting in the receiver 10 being passed back to the still 4 by a siphon 15, while the gases passing away by the pipe are washed with a suitable liquid to recover acetyl chloride and then treated to absorb hydrochloric acid.  (2) Acetyl chloride and acetic acid are fed to the apparatus in countercurrent, the acetyl chloride coming from the vessel 1 and the acetic acid from a vessel 16.  (3) A mixture of acetic acid and thionyl chloride is fed from the vessel 1 to the still 4 the rest of the process being as described in the first example.
Patent GB-123814-A (GB)
Title: Improvements in or connected with Walking Sticks, Crutches and the like.
Inventor: BLATCHFORD CHARLES ALBERT
IPC: A61H3/00
Filed: 1918-03-05
Abstract: 123,814. Blatchford, C. A. March 5, 1918. Walking-sticks, securing to wrist.-A walking- stick or the like is connected to a gauntlet member secured to the arm to form a short crutch for the assistance of weak or deformed arms and hands. In the form shown in Fig. 1, a stout leather or other trough a is secured to the forearm by straps b. Formed in one with the trough is a wooden or other block c to which is secured a stick c. An extension of the gauntlet may support the hand if desired. In the form shown in Fig. 2 for use with a weak elbow-joint, the upper arm and fore-arm are both provided with gauntlets f, a having rigid side-members g which pivot together at the elbow. A quadrant h is secured to the outside joint and a control chain i attached to the quadrant is connected to body harness by which the arm may be flexed. Locking means, as shown in Fig. 4, may be fitted to the inside joint, a rigid side member g being provided with notches l into any of which a spring stop k takes. Further modifications suitable for cases of weak wrists or hands, show walking-sticks with handles to which a gauntlet is attached by rigid straps, and in some cases a thumb piece is secured to the handle. Specification 105,975, [Class 81 (ii), Medical &c. appliances], is referred to.
Patent GB-212064-A (GB)
Title: Improvements in machine for uniting looped fabrics
IPC: D05B7/00
Filed: 1923-02-09
Abstract: 212,064. Keyser, G., and Hepworth, J. W. Feb. 9, 1923. Knitted - fabric sewing machines.- In a linking machine, the pin ring is continuously rotated and the stitch-forming mechanism is bodily reciprocated tangentially to the said ring so that the needle moves in time with the ring when in engagement with the work. Feed. The pinring 19, Fig. 6, is revolubly supported by a disc 18 fixed to the shaft 17, Fig. 1, which extends downwardly from an arm 11 of the bed-plate 10. The pin ring 19 is rotated continuously from a mainshaft 12 by means of a shaft 34 and a worm 33, a worm wheel 27 on a shaft 24 and an internal toothing on the ring 19. Stitch-forming devices. The needle and looper shafts are mounted upon a support 39, Fig. 6, mounted in the arm 11 and reciprocated in opposition to a spring 52 by a cam 51 which engages a part 45 secured to the support 39. A channel shaped contact member 47 is adjustably positioned on the part 45 by a set-screw 50, Fig. 1. The curved needle 54 is carried by an arm 56 fixed on a shaft mounted in the support 39 and is oscillated by means of a second arm having a pin slidingly engaging in the eye of a rod 61 of an eccentric 62 on the shaft 12. The looper 55 is mounted on an arm 66 of a rock-shaft 67 mounted at right-angles to the needle-arm shaft in the support 39 and a crank pin on a second arm 69 on the shaft 67 has a. ball-and-socket connection with an eccentric rod 72, 73. The contacting surfaces of the strap. 73 and its eccentric 68, Fig. 5, are spherical so as to allow the eccen. tric-rod to rock laterally and follow the reciprocation of the support 39. The trap 73 is held in place by a ball 74 running in a groove 76 in the eccentric and maintained in place in the strap on a radial line at right-angles to the rod 72 by a spring 77. The connecting rod 61 is held from lateral movement by a slotted bracket 65 secured to the frame 11, and lateral movement of the support 39 is allowed by axial motion of the pin 60 in the eye of the rod 61. Thread-tensioning device. The needle and looper threads pass through guide-eyes 85, spring- pressed tension-discs 83 and spring take-ups 88 on the arm 80 of the support 39, thence through guide eyes and along suitable grooves in the needle and looper arms to the needle and looper eyes.
Patent GB-632315-A (GB)
Title: Improvements in or relating to process for refining light oil
IPC: C10G17/06
Filed: 1947-02-11
Abstract: <PICT:0632315/III/1> Light oil produced in the by-product coking of bituminous coal, is fractionated and the hydrocarbon components boiling below about 145-155 DEG  C. are taken overhead, the overhead is condensed and subjected without intervening storage to further fractionation wherein the hydrocarbon components boiling below 80 DEG C. are taken overhead leaving an intermediate fraction; finally this intermediate fraction is washed with sulphuric acid and fractionated to recover benzene, toluene and xylene.  The process ensures that the intermediate fraction is free from cyclopentadiene and its polymers before the acid-washing stage, thereby avoiding corrosion due to sulphur dioxide in the final fractionation.  Benzolized wash oil may be used as the starting material.  The wash oil is stripped with steam and the mixture of light oil vapours and steam so obtained may be submitted to the first fractionation referred to above. Alternatively, the mixture of light oil and steam is condensed, and the water separated before the fractionation.  Benzolized wash oil heated to a temperature of 100 DEG  to 150 DEG  C. is stripped with low-pressure steam in stripper 1.  The mixture of steam and light oil taken overhead is passed through heat-exchanger 2, where it partly preheats fresh benzolized wash oil, into column 4.  The head of this column is maintained at a temperature of from 75 DEG  to 95 DEG  C. so as to condense within it those components boiling above xylene. The heavy ends, which contain dicyclopentadiene, are taken off as bottoms, and the light ends-intermediate fraction is taken overhead into condenser 5 and water-separator 6.  The oil layer so obtained is passed, without intervening storage, which would allow time for cyclopentadiene to polymerize, into column 7 where the light ends, which contain cyclopentadiene, are taken overhead while an intermediate fraction of approximate boiling range 80-144 DEG  C. is taken off as bottoms.  The distillate of column 4 may be passed through mechanism (not described or shown) to regulate the feed rate to column 7 so that it equals the distillation rate of column 4 and continuous transfer of distillate from column 4 to column 7, can be effected.  The intermediate fraction is scrubbed with sulphuric acid in acid wash 9 and, after being freed from acid by washing and/or neutralization, submitted to fractionation using boiler 10 and column 11 to recover benzene, toluene, and xylene as successive overhead fractions.
Patent GB-1362086-A (GB)
Title: Curing of unsaturated epoxy ester resins
IPC: C08G59/16
Filed: 1972-01-27
Abstract: 1362086 Curing unsaturated epoxy ester resins SHOWA HIGH POLYMER CO Ltd 27 Jan 1972 [27 Jan 1971] 3984/72 Heading C3P  A composition comprising: (1) an organic peroxide, (2) a metal salt of an organic acid and (3) an organic imide compound having a group of formula or may be used to cure an unsaturated epoxy ester resin, i.e. a resin produced by the reaction of an epoxy compound having one or more epoxy groups in its molecule with an unsaturated monocarboxylic acid and optionally one or more other acidic compounds. In the examples resins produced by treating bisphenol A/epichlorohydrin epoxy compounds with methacrylic acid, acrylic acid, and optionally phthalic anhydride, are cured with styrene and methyl methacrylate in the presence of o-sulphobenzimide, dimethylformamide, cobalt naphthenate, cumene hydroperoxide, cyclohexanone peroxide, paraffin, phthalimide and hydroquinone. An ethylene glycol/tetrahydrophthalic anhydride alkyd may also be present and impregnated glass mat laminates may be prepared. The metal salt and imide may be mixed prior to use and are believed to form a complex compound.