baber/WOPTO huggingface dataset:
Patent GB-676504-A (GB)
Title: Means for controlling ionic valves
IPC: H02P7/00
Filed: 1950-12-04
Abstract: 676,504. Control of D.C. motors. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Dec. 4, 1950. [Dec. 9, 1949] No. 29596/50. Class 38 (iii). [Also in Group XXXV] A load 1, which may be the armature of a directcurrent motor, is supplied with fullwave rectified current through transformer 4 and discharge valves 2, 3. The grid circuit of the valve 2 comprises the secondary winding of a transformer 8 the primary winding of which is supplied with alternating voltage derived from the source 5 through voltage-divider 12, 13. A rectifier 16 is placed in the primary circuit of the transformer 8 which also includes a direct voltage source represented by battery 18. The grid control of the valve 3 is similar to that of the valve 2, the firing-periods of the two main valves being adjusted by means of rheostat 19 connected across battery 18.
Patent GB-440136-A (GB)
Title: Processes for refining halogenated hydrocarbons
IPC: C07C17/38
Filed: 1934-10-17
Abstract: Halogenated hydrocarbons, particularly such as are used in dielectric compositions, are refined, and their dielectric properties are improved, by treatment with an adsorbent such as fuller's earth, silica gel, or activated carbon.  The treatment may be effected by percolating the halogenated hydrocarbon through a bed of the adsorbent, or by agitating a mixture of the halogenated hydrocarbon with the adsorbent, or by a combination of these methods.  The halogenated hydrocarbon may be heated, to reduce its viscosity. Specified compounds which may be treated are pentachlorodiphenyl and other chlorodiphenyls, chlorobenzenes, chlorinated olefines such as tri- or tetra-chlorethylene, and chlorinated paraffins such as pentachlorethane; the treatment of chloroform and carbon tetrachloride is disclaimed.  Graphs are given illustrating the effect of the treatment on the resistivity of pentachlorodiphenyl and a mixture of hexachlorodiphenyl with trichlorobenzene. Specifications 195,055, [Class 2 (iii)], and 409,774 are referred to.
Patent GB-718385-A (GB)
Title: Improvements in expander devices for incorporating into appliances for correcting natural teeth
Inventor: PEARS JOHN ROSS
IPC: A61C7/10
Filed: 1952-12-17
Abstract: 718,385. Orthodontic appliances. GLENROSS, Ltd. Dec. 17, 1952 [Dec. 19, 1951], No. 29750/51. Class 81(2) An expander device for use in an orthodontic applia n c e comprising plate elements which bear against the teeth, is provided with an expander screw and spring means through which is transmitted the thrust applied by the screw for 'separating the plate elements. The device comprises a pair of blocks 10, 11 each having a pair of cylindrical portions 12, 13 on opposite sides of a housing portion 14, 15 respectively. The cylindrical portions 12 of one block 10 are provided with pins 16 which slidably engage bores 17 in the corresponding cylindrical portions 13 of the other block 11. An expander screw 19 has a threaded stem 22, which engages within a threaded recess 23 in one housing portion 15, and a plain stem 24 which slides in a passage 27 in the other housing portion 14. A compression spring 33 surrounds part of the plain stem 24 and bears against a shoulder on the stem 24 and a partition 26 in the passage 27. The blocks 10, 11 are each embedded in plate elements (not shown) which when the appliance is in position in the mouth bear against the teeth. The plate elements are separated by turning the screw 19 by means of a tommy bar inserted in radial holes or diametral slots 21 in a hub 20 between the threaded stem 22 and the plain stem 24, the thrust applied by the screw 19 being against the spring 33. Specification 641,139 is referred to.
Patent GB-171390-A (GB)
Title: Process of producing hydrocarbons of relatively low boiling point
IPC: C10G47/02
Filed: 1921-11-09
Abstract: Low-boiling hydrocarbons and a residue suitable for lubricating are obtained by heating under pressure mineral oils and hydrocarbons other than tar oils in presence of tin and hydrogen, and fractionating.  The gas or other oil, tin, and hydrogen at 15-30 atmos. pressure are heated in a tin-coated pressure vessel to about 300 DEG C. for about 6 hours.  On fractionation up to 180 DEG  C. 70-80 per cent of the product distils over.ALSO:Low boiling hydrocarbons and a residue suitable for lubricating are obtained by heating under pressure mineral oils and hydrocarbons other than tar oils in presence of tin and hydrogen, and fractionating.  In an example, gas oil is charged into a tin-coated pressure vessel, tin is added, and hydrogen is admitted until the pressure is 15-30 atmospheres.  The vessel is heated to about 300 DEG  C. for about 6 hours.  On fractionation to 180 DEG  C. 70-80 per cent of the product distils over.
Patent GB-1010379-A (GB)
Title: Motor vehicle engine mountings
Inventor: HODGKINS CYRIL CHARLES GEORGE
IPC: F16F13/00
Filed: 1963-07-27
Abstract: 1,010,379. Engine mountings. MORRIS MOTORS Ltd. July 9, 1964 [July 27; 1963], No. 29889/63. Heading B7H. [Also in Division F2] A motor vehicle engine is supported on the vehicle frame at opposite sides of the crankshaft axis by two mountings each comprising a lowrate coil spring 2 and a double-acting oil-dashpot 4 which damps large-amplitude torsional and vertical oscillations of the engine. The dashpot 4 is secured to the frame by a flange 5 and contains a piston 6 pierced by a bleed hole 7 and connected to a rod 8 which is mounted in a cantilever bracket 1 projecting from the engine block by means of rubber elements 16, 19 compressed between washers 15, 21 by a nut 22. A tube 10 carried by the top 3 of the dashpot 4 forms an oil reservoir which communicates with the dashpot through a restricted clearance surrounding an aperture 9 for the piston rod 8 and through a one-way ball valve 12. An annular bearing plate 13 closing the tube 10 is provided with a vent hole 13A, and a rubber sleeve 24 prevents contact between the spring 2 and the tube 10.
Patent GB-658114-A (GB)
Title: Improvements in or relating to winding devices for slitting machines
IPC: B65H18/10
Filed: 1948-11-17
Abstract: 658,114. Winding webs. BRITISH CELLOPHANE, Ltd. Nov. 17, 1948, No. 29934. Convention date, July 16. [Class 100 (i)] [Also in Group XXIV] A substantially constant torque winding- device for a machine for slitting webs of flexible material, comprises a mandrel 6 positively driven at a speed slightly in excess of the remainder of the machine, the mandrel carrying a plurality of spacer sleeves 7 keyed thereto and a plurality of cores 8 on which the slit web is to be wound. Each core 8 is supported at each of its ends by anti-friction bearings, such as an extension of an outer ball race 3 secured by bolts 5 between a disc 4 and a friction ring 1. Each outer race 3 fits over an inner race 2 fitted snugly on the mandrel 6. The discs 4 carry plates 9 having prongs which engage the ends of the cores 8 to prevent relative rotation between the cores 8 and discs 4. An abutment is provided on the mandrel 6 against which the end sleeve 7 is positioned, while the other sleeves are pressed into engagement with their friction rings 1 by a spring-pressed abutment.
Patent GB-464353-A (GB)
Title: Improvements relating to the mounting of contacts for electric fuses, switches and the like
IPC: H01H85/143
Filed: 1935-10-31
Abstract: 464,353. Switch and fuse contacts. SIEMENS BROS. & CO., Ltd., and SIMS, P. C. Oct. 31, 1935, No. 30023. [Class 38 (v)] [Also in Group XXXVI] A holder is recessed to take a fuse or bridging member, the entrance to the recess being wider at its centre to pass the contacts and the fuse, the contacts being slid to the ends after assembly so as to be retained by parts of the holder overlapping the recess. When assembling the fuse in its holder the contacts 7 are arranged on the middle part of the cartridge 12 and the combination passed into the recess 2. The contacts are then slid along to the ends and bolts 11 tightened to cause the contacts to grip the end caps of the cartridge, which is now retained in the recess by the shoulders 4, 4a. The rotational movement of the fuse is limited by projections 9 on the contacts 7 engaging a longitudinal groove 3. According to the Provisional Specification, a base for the holder has projections on its end walls, engaging contacts which are retained by the engagement of the heads of the screws securing the conductors to the contacts.
Patent GB-1139874-A (GB)
Title: Improved polyol
IPC: C08G18/54
Filed: 1967-06-29
Abstract: 1,139,874. Polyols. UPJOHN CO. 29 June, 1967 [22 Aug., 1966], No. 30028/67. Heading C2C. [Also in Division C3] The invention comprises polyols of formula wherein R is octyl or nonyl, R 1  is Me or Et, n and n<SP>1</SP> are each 2-6, x has an average value of 1-2 and the nuclear substituents (except R) are in ortho-position to the ether group; and their adducts with up to an equimolar amount of R 1 #CHCH 2 O (I). These compounds are prepared by reacting RC 6 H 4 OH (II) with CH 2 O and HOC n H 2n NHC n1 H 2n1 OH in molar proportions of 1 : 1-4: 1-4, and reacting the thusformed Mannich product (III) at 30-150‹ C. with 1-2 moles (I); alternatively, (III) is made by reacting (II) with 1-2 moles of a 3-HOC n H 2n -5-R 2 -oxazolidine at 100-130‹ C., R 2  being H or C 1-4  alkyl, the C n1 H 2n1 OH group in the above formula being in this case replaced by a CH 2 COHR 2 OH group.
Patent GB-212599-A (GB)
Title: Improvements in apparatus for cooling bottles and the like
IPC: F25D3/10
Filed: 1922-11-02
Abstract: 212,599. Codelli, A. F. von. Nov. 2,1922. Bottle-coolers; cooling liquids indirectly by cooling-cartridges. - Liquefied-gas is supplied from a container 1 to an evaporator inserted in or surrounding a bottle to be cooled, the member connecting the container and evaporator being provided with means for unsealing the container and for controlling the flow of refrigerant. In the construction shown in Fig. 1, the. container is unsealed by manipulating a handle 25 on a member 6 to displace a perforated washer 21 from the mouth of an opening 23. The refrigerant flows down an inner tube 22 and escapes from a closed-ended tube 12 screwed into the bottle neck. In the construction shown in Fig. 6, a handle 38 is operated against the pressure of a spring 31 to move a diaphragm 44, part 46 and wedge 47, which causes a pointed member 48 to puncture a, capsule 30. The flow is regulated by a knob A, which is connected by a rod E slidable in a cylinder B, a diaphragm G and bell crank J to a sleeve L mounted on a tube M surrounding an open inner tube 22. The tube M carries a closure member 23 at its lower end which is moved away frorm or toward the end of the tube 22 by operation of the handle A. The device may be fitted to a casing placed over the bottom of a bottle, the refrigerant evaporating in and escaping from the depression in the bottom of the bottle, or it may be fitted to a casing enclosing the whole bottle, which is wrapped in absorbent material. Specification 174.3H2 is referred to.
Patent GB-711765-A (GB)
Title: Improvements in selective electronegative membranes
IPC: C08J5/20
Filed: 1952-11-27
Abstract: A cellulosic film is subjected to controlled oxidation by means of a nitrogen-oxygen compound or an aqueous solution thereof so as to obtain a film containing 1-3 milligram equivalents of COOH per gram of dry film substance.  The film obtained may be used as a selective electronegative membrane particularly in electrodialytic desalting operations.  The cellulosic film may be regenerated cellulose film obtained from viscose and the oxidizing agent may be nitric acid, nitric oxide, or nitrogen dioxide.  An aqueous solution containing nitric acid and a substance such as a sulphite, thiosulphate, sulphide, lighting gas, glucose, or sucrose, which will give rise to the formation of NO2, may be used.  In an example, a regenerated cellulose film of thickness 0.12 mm. in dry air-conditioned state and of thickness 0.2 mm. when saturated with a 0.1 N. NaCl solution, is subjected to the oxidizing action of gaseous NO2 at room temperature for 67 hours.  The oxidized film has a content of 2.3 milligram equivalents of COOH per gram of dry substance, a concentration potential of -46.4 mV, and a cation transference number of about 1.0. In another example, a regenerated cellulose film is treated at room temperature for 6-24 hours with nitric acid of specific gravity 1.4 to which sodium metabisulphite has been added. Preferably the regenerated cellulose film which is to be subjected to oxidation should contain no glycerol.  The strength and electrical and other physical properties of the oxidized films may be improved by subjecting them to treatment with formaldehyde, e.g. to heating under reflux for 2 hours with a solution formed by adding 80 c.c. of a 40 per cent. aqueous formaldehyde solution and 2 c.c. of sulphuric acid (spec. grav. 1.84) to one litre of acetone.  After the formalizing treatment, the films are washed with distilled water, or first with hard water and then with water which has been freed from calcium, magnesium and other multivalent ions, until they are free from acid.
Patent GB-1044485-A (GB)
Title: Tablet soap dispenser
IPC: A47K5/09
Filed: 1964-07-21
Abstract: 1,044,485. Soap dispensers; soap graters; dispensing fluent solids. D. NICOLSON. May 25, 1965 [July 21, 1964], No. 30196/64. Headings A4C, A4T and A4V. In a soap dispenser a soap tablet 28 is moved upwards over a shredder blade 22 by operation of a hand lever 15, the soap shreds being dispensed through a channel 19. The blade 22 is secured by parallel lugs 23 on a member 24 closing the upper end of the channel which is mounted at the open front of a casing 10, apertured at 50 for mounting on a wall &c. A box-like holder 27 for a soap tablet is raised by the end 16 of the lever and returned to rest position by a spring 20 which is mounted in the channel 19 and engages a lug 32 on the holder. A plate 34 urging the soap tablet towards the blade has lugs 35 passing through slots 33 for engagement by arms 41 of a spring-urged yoke 40. On release of a catch 25 the channel member is movable with the lever forwardly and downwardly on a hinge 70 to permit access to the sliding hinged lid 42 for recharging with a new tablet of soap and on release of the tabs 35 from engagement with the arms 41 and the infolded front edge of the casing 10 by passage through slots 14 when the holder is moved relatively to the casing by operation of the lever, the channel member and holder can be moved to a horizontal position to give access to the mounting bolts. A lock 46 for the catch 25 may be provided and in a modification the plate 34 is loaded by safety-pin form springs bearing on the lugs 35 and on the holder.
Patent GB-1038845-A (GB)
Title: Improvements in or relating to travelling wave tubes
Inventor: DIX CYRIL HENRY
IPC: H01J23/30
Filed: 1964-07-30
Abstract: 1,038,845. Travelling wave tubes. M-O. VALVE CO. Ltd., and C. H. DIX. July 23, 1965 [July 30, 1964], No. 30220/64. Heading H1D. A travelling-wave tube has a main wire helix slow wave structure, a further helix disposed coaxial with and connected in series with the main helix and an input coupler' consisting of a wire helix disposed coaxially surrounding the further wire helix, the arrangement being such that the phase velocity of electromagnetic waves along the further helix and the phase velocity along the main helix differ sufficiently so that within the pass-band of the device waves may interact with the beam along the main helix but waves of the same frequency do not interact along the further helix. The main and further helix preferably have the same diameter, the pitch of the further helix being greater than that of the main helix. Between the two helices a transition section is provided consisting of a helix of gradually decreasing pitch, the decrease obeying an exponential law. The helical couplers are located around the envelope of the tube. The main helix has attenuating portions consisting of an exterior lossy helix section. The noise figure of the device is reduced since noise is not amplified along the further helix.
Patent GB-446096-A (GB)
Title: Dispersive electric light fittings for mines or the like
IPC: F21Y101/00
Filed: 1934-10-23
Abstract: 446,096. Lamps for illuminating long areas. FISHER, H. J., Moor View, Harrogate Road, Ripon. Oct. 23, 1934, No. 30315. [Classes 75 (ii) and 75 (iv)] An electric lamp, suitable for illuminating a relatively long area such as a corridor or a mine roadway, is provided with a well glass f formed internally with pairs of oppositely disposed sections having circumferential and straight prisms g, h adapted respectively to provide short and long beams. The glass f is made of tough heat-resisting clear glass with a plain smooth outer surface and the lamp is so mounted that the straight prisms are parallel to the length of the area to be illuminated. A wire guard is so arranged that its intersecting members coincide with the divisions between the four sections of the glass f. The latter is cemented into a holder m which is secured by stud-bolts p, p<1>to an inclined flange n on a gas-tight casing a. The inner end of the studbolt p<1> engages the lower end of a rod q which is slidably mounted in a vertical hole at one side of the casing a and has a pin s projecting through a slot t into the interior of the casing. The pin s carries an insulating block u to which is attached a spring v anchored to a part z of the casing a. The block u carries a U-shaped metallic contact w which engages between stationary contacts x carried by an insulating strip y. The parts w, x form an interlocking switch by means of which the current supply to the bulb d is automatically cut off when the stud-bolt p<1> is withdrawn to remove the glass f and its holder m from the casing a. The switch may be connected in the supply circuit to the lamp holder c or in a pilot circuit which cuts off current to the bulb d. Alternatively, the pilot interlock may be effected by the engagement of plug-and-socket couplings.
Patent GB-1507430-A (GB)
Title: Treatment of asphalt-aggregate compositions
IPC: E01C19/02
Filed: 1976-07-21
Abstract: 1507430 Mixing apparatus R L MENDENHALL 21 July 1976 [11 Aug 1975] 30343/76 Headrig B1C Asphalt / aggregate composition reclaimed from a road surface is crushed and separated into courser and finer particles which are respectively fed to hotter and cooler zones of a continuous rotary drum mixer. An apparatus comprises an inclined rotatable drum 10 having lifting bars 18, and a burner 12 in a stationary end cover 22 forming a combustion chamber. There may be a baffle (not depicted) between the burner and the drum interior. Coarse, intermediate and fine particles are as shown fed at positions successively further downstream from the burner, the particles falling into shoots 20, 24 which fill encircling troughs 26. 36, 46 through which pass scoops 28 cooperating with charging puts 30, 31 in the drum wall. Additional liquid asphalt may be sprayed on the particles through apertures 15 in pipe 14. The discharge end of the drum has a stationary cover 45 with discharge put 42 and exhaust fan 48. In a modification (see Figs. 2 and 3 not shown) the burner nozzle (57) is directed transversely of the combustion chamber (54) and the gases pass over a thermal barrier plate (58) and through apertures (55) in a diffuser plate (60) forming an end wall of the drum.
Patent GB-906110-A (GB)
Title: Improvements in or relating to optical combining arrangements
Inventor: CLEAVER RICHARD FRANCIS
IPC: G01R13/28
Filed: 1960-09-02
Abstract: 906,110. Indicating-apparatus. STANDARD TELEPHONES & CABLES Ltd. Sept. 2, 1960, No. 30363/60. Addition to 899,234. Class 106 (4). [Also in Groups XX and XL (c)] In this addition to the parent Specification an additional image, corresponding to an indication of arbitrary size, is added by a lens and a partially transparent mirror. Light beam 1 corresponds to a set of superposed images formed as described in the parent Specification or in Specification 905,434, and is passed to television camera 4 via partially transparent mirror 3 formed from two right-angled isosceles prisms cemented together at their hypotenuse surfaces either or both of which bear a partially transparent coating; the additional indication is furnished by an operator's chinagraph writing on edge-illuminated screen 5 attached to cabinet 10, the focal lengths of lenses 2, 8 being such that all images are in one plane and of correct relative size. To obviate obstruction of beam 9 by the operator's hand elements 6, 7 and 8 may be placed below screen 5.
Patent GB-901762-A (GB)
Title: Improvements in or relating to fluid flow control devices
Inventor: LING WILLIAM JAMES
IPC: F16K31/56
Filed: 1957-09-27
Abstract: 901,762. Valves. BARKING BRASSWARE CO. Ltd. Oct. 31, 1958 [Sept. 27, 1957], No. 30427/57. Class 135. A mixing valve chamber 4 having inlets for hot and cold water in a plane perpendicular to the Figure, and two outlets 5, 6 leading respectively to a spray and outlet spout has a double-ended lift valve 8 moved to close either one of the outlets by a manually-operated toggle-linkage with an over-centre action. The toggle linkage comprises two links 15, 16 pivoted at 17 and located in a slot in the valve; the link 16 has a spherical bearing-surface mounted in the valve housing and the link 15 is provided with a shank which engages a spring-loaded socket 19 rotatable in a part-spherical recess i n the housing. The valve may have one inlet only.
Patent GB-242806-A (GB)
Title: Improvements in appliances for playing a table game
IPC: A63F7/06
Filed: 1924-12-19
Abstract: 242,806. May, H. R., and Horth, A. C. Dec. 19, 1924. Table games.-In game-apparatus simulating football in which striking-appliances in the form of miniature boots held on the players' fingers are employed, each boot comprises a socket of rubber or of other material with a rubber or elastic grip, and a wooden sole b mounted between the splayed ends c of the socket by pins d. Goal posts comprising uprights e connected by a craso-har f and carrying a net g may be employed in conjunction with a field divided into twelve rectangular spaces. The uprights e may be provided with feet.
Patent GB-1450036-A (GB)
Title: Specimen transport devices
IPC: G02B21/34
Filed: 1972-06-29
Abstract: 1450036 Specimen transport devices/feeding  webs M M LEVENE 14 Sept 1973 [29 June  1972] 30591/72 Headings B8A and B8R [Also in Division G2]  A tape 3 carrying specimens is advanced by drive rollers 5 to carry the specimens past a microscope 1, the rollers 5 being driven by a motor 4 controlled by timing circuits 8, 9 to advance the tape 3 a predetermined distance and then stop for a predetermined time, and circuits 8, 9 being connected to a bi-stable circuit 10 which operates a switch 11 controlling a relay 6, 7 controlling the motor 4. Override controls 12, 13 are provided for the circuits 8, 9.
Patent GB-262451-A (GB)
IPC: C14B1/00
Filed: 1926-12-03
Abstract: 262,451. Turner Tanning Machinery Co., Ltd., (Assignees of Turner Tanning Machinery Co. Soc. Anon.). Dec. 3, 1925, [Convention date]. Rotary-drum apparatus.-A machine for scouring hides consists of a rotatable drum a closed at the ends and having openings j, j<1> in its periphery through which the hides are prevented from falling by baffle-plates c, c and ledges u extending parallel to the axis of the drum. Partitions e, e<1> having outwardly diverging holes are situated in proximitv to the baffles c, c<1>. Openings g, g<1> extend through the wall of the drum behind the partitions to allow the exit of impurities which pass through the holes.