baber/WOPTO huggingface dataset:
Patent GB-232508-A (GB)
Title: Improvements in weighing apparatus for locomotives railway, and other vehicles
IPC: G01G19/02
Filed: 1924-10-25
Abstract: 232,508. H³ckel, C. Oct. 25, 1924. Locomotives and vehicles ascertaining distribution of weight on wheels of.-The load on the wheel of a locomotive, railway or other vehicle is ascertained by means of a pair of levers connected at one end by a load-indicator, and at the other end adapted to engage the wheel rim and its support, at both sides of the point of support. The levers 1, 2, Fig. 1, pivoted together on knife. edged bearings 3 are forked so as to span the point of contact of the wheel and rail as shown in Fig. 3. The forked end 17 of the lower lever rests on the rail. The upper lever which engages the wheel carries wedges 9 adjustable by screws 7. The inclined surfaces of the wedges support knife-edged blocks 11, Fig. 4, and V- blocks 12 which may be adjusted to lie accurately on the circular tread of the wheel. The outer ends of the levers 1, 2 are united by a loadindicator, a lever 14 and a hand-operated screw 13.
Patent GB-1007484-A (GB)
Title: Tuning fork clock
IPC: G04C3/10
Filed: 1963-06-26
Abstract: 1,007,484. Oscillating motor. NIHON DENKI TOKEI KABUSHIKI KAISHA. June 26, 1963 [July 12, 1962; Nov. 12, 1962; Feb. 5, 1963]; No. 25474/63. Heading H2A. [Also in Division G3] A clock comprises a tuning fork 2 associated in known manner with a transistor circuit 1 for maintaining the oscillations through electromagnets 3, 4, the fork having permanent magnets 11, 11<SP>1</SP> fixed to the respective times, these magnets being ring or horse-shoe shaped with pole ends which face each other, and a rotary disc 12 of magnetic material rotatable within the gap and adapted to be driven by oscillation of the fork radially of the disc so as to drive a time train 19. The disc has a radially outer ring of teeth 35 and a radially inner ring of arms 38 alternating with the teeth. The time train and disc are given a starting impulse by a starter 23 and thereafter continue in rotation, the magnets 11, 11<SP>1</SP> oscillating along the path AA<SP>1</SP>. The width c of the magnet pole is made either greater or less than the width b of the teeth 35 and arms 38, whilst the depth d of the pole is made from 1À2 to 4À0 times the depth e of a circumferential part connecting the teeth 35 and arms 38. A regulating device comprises a cam-shaped disc 24 of magnetic material rotatable in the stray field of magnet 11 through a worm reduction gear 27 and index wheel 34. The contour of disc 34 is arranged to vary the frequency of the fork linearly with rotation of wheel 34 to give a connection of, say, 20 seconds per day at a rate of one second per day per revolution of wheel 34. Specifications 660,584 and 854,196 are referred to.
Patent GB-897735-A (GB)
Title: Improvements in or relating to methods of producing aromatic sulphones
IPC: C07C317/14
Filed: 1958-08-08
Abstract: A method of producing aromatic sulphones comprises reacting a compound of the formula RH with a sulphohalide of the formula R1SO2X where R represents a phenyl, naphthyl or thienyl residue substituted by at least one halogen atom or by at least one hydrocarbon radical or by at least one ether or thio-ether group or represents an unsubstituted thienyl residue, R1 represents a phenyl or naphthyl residue which may be substituted by at least one halogen atom, at least one hydrocarbon radical or at least one ether or thio-ether group and X represents a halogen atom, the compound RH and the sulphohalide containing no free hydroxyl, sulph-hydryl or amino groups, the reaction being carried out in the presence of a metal (other than alkali or alkaline earth metal) salt of ortho-, meta or pyro-phosphoric acid or a mixture thereof, so that sulphones of the formula RSO2R1 are produced.  The reaction is preferably carried out by slowly adding the metal salt and/or sulphohalide to the compound RH at a temperature of 100 DEG C.-150 DEG C. and a diluent such as a nitro-alkene or an excess of the compound RH may be used.  The reaction is preferably carried out under anhydrous conditions but to enable the reaction to proceed to completion a trace of water may be added to the reactants.  In the examples in which silver, zinc and cadmium salts are used, 4-methoxy-, 4,41-dimethoxy-, 4-methyl, 4-methoxy-41 - chloro - and 2,4,5,41 - tetrachloro - diphenyl sulphone and 4-methoxyphenyl thienyl sulphone are prepared. Specification 761,837 is referred to.
Patent GB-681330-A (GB)
Title: Electronic switching networks
IPC: H03K17/74
Filed: 1950-10-20
Abstract: 681,330. Semi-conductor gating circuits. WESTERN ELECTRIC CO., Inc. Oct. 20, 1950 [Oct. 21, 1949], No. 25608/50. Class 40 (vi). [Also in Group XL (b)] An electronic switch, Fig. 1, comprises a T-network having in its series and shunt arms 11, 12, 13 asymmetrically conducting devices, such as germanium diodes having similar electrodes connected together at their common point P, a positive or negative control voltage applied from the source 17 giving the network a high or low attenuation by back-biasing the series rectifiers and forward-biasing the shunt arm or vice versa. A resistance 18 in parallel with the shunt rectifier ensures that adequate biasing current reaches the series rectifiers in the low attenuation condition of the network. In the modification, Fig. 2, two parallel shunt arms are incorporated, the network being such that it has low attenuation only if two control voltages applied at 17, 17<SP>1</SP> are negative. Applications of these circuits to thermionic distributers (see Group XL (b)) are described.
Patent GB-224356-A (GB)
Title: A new or improved device for discharging or loading goods into railway vehicles and the like
IPC: B66C1/24
Filed: 1923-10-15
Abstract: 224,356. Burgess, S. Oct. 15, 1923. Lifting-cradles.-A cradle for lifting black plates &c. of the type comprising a base 4, upright 5, and overhanging member 11 arranged so that the cradle tilts inwardly when suspended, is provided with improved clamping means for engaging the load. The clamping member 8, 9 is pivotally connected with a lever 7 pivoted at 6 on the member 11, and the lever is secured in the clamping position by means such as a peg, not shown. The base 4 may be E-shaped with uprights 10 at the corners and ends.
Patent GB-518873-A (GB)
Title: Improvements relating to spinners and like fairings for airscrews
IPC: B64C11/14
Filed: 1938-09-01
Abstract: 518,873. Airscrews. DE HAVILLAND AIRCRAFT CO., Ltd., and THOMAS, F. M. Sept. 1, 1938, No. 25641. [Class 114] An airscrew spinner has radially extending elements on the external surface to increase the airflow over the spinner for engine cooling &c., the elements taking the form of streamlined projections for fairing the blade shanks, or impeller vanes encircled by a tubular ring. The spinner 1 has openings 3 at the rear end for cleaning the blades when mounting on the airscrew. The fairing elements comprise a rigid pressing 4 of streamlined contour which is reinforced by an internal part 5, and attached immediately in front of the blade by flange 4A to the spinner 1 which is stiffened in this area by a reinforcing plate 6. Yieldable margin elements 8 are secured at the joints of parts 4 and 5, and bear lightly against the shank 2A of the blade 2 to allow for pitch variation. In a modification, impeller vanes are secured to the spinner 10 by flanges and rivets, and comprises sheet metal walls 11 jointed together at their leading and trailing edges 12, 13 and having intermediate spacers 15 secured by rivets 14. A tubular ring comprising a forward part 18 and an overlapping rear part 19 is attached to the outer flange of the vanes, and is assembled around the. blade shanks.
Patent GB-844824-A (GB)
Title: Improvements in or relating to dry rectifier assemblies
IPC: H01L25/07
Filed: 1958-08-11
Abstract: 844,824. Semi-conductor rectifier assemblies. SIEMENS-SCHUCKERTWERKE A. G. Aug. 11, 1958 [Aug. 13, 1957], No. 25698/58. Class 37. In a dry rectifier stack in which a plurality of rectifier plates and connecting members are assembled into an insulating sleeve-like housing, each connecting member is formed of a flexible wire with an end or intermediate portion bent into a substantially planar shape, e.g. a ring or spiral. The components of the stack are clamped together, preferably by the sleeve-like housing, e.g. by making the housing in the form of a tube of a prestretched synthetic resin material which on heat treatment after assembly shrinks about the stack. The assembly may be dipped or sprayed with a cold setting or thermosetting synthetic resin to form a further protective coating on the stack. Rectifier plates of small surface dimensions 19, Fig. 11 may be assembled inside apertures in insulating plates 20 of thickness slightly less than the rectifier plates the connecting members 15 .and 16 referred to above making contact to the rectifier plates via auxilliary contact plates 17 and 18. Assembly may be carried out by inserting the lead out portions of the connecting members in a template, inserting the rectifier plates between the planar contact portions, and then applying the housing.
Patent GB-1003553-A (GB)
Title: Tie-rod for use in maintaining pit roof and side supporting arches in spaced relationship
Inventor: WILSON WILLIAM
IPC: E21D11/28
Filed: 1961-07-15
Abstract: 1,003,553. Struts for mine roof supports. LANARKSHIRE STEEL CO. Ltd. April 17, 1962 [July 15, 1961], No. 25722/61. Heading E1E. A strut 10 of angle iron for mine arches 15 is provided with cut-out portions 13, 14 in one flange 12 which are shaped as shown, the slot 14 being closed into locking abutment with the arch 15 by hammering.
Patent GB-1580010-A (GB)
Title: Alkali metal carbonate production
IPC: C25B13/08
Filed: 1978-05-31
Abstract: An alkali metal carbonate substantially free of alkali metal chloride is efficiently produced by electrolyzing an alkali metal chloride in an electrolytic cell having anolyte and catholyte compartments separated by a cation-exchange hydraulically impermeable membrane comprised of a thin film of a fluorinated polymer having pendant carboxylic acid or alkali metal carboxylate groups and a cathode spaced apart from the membrane, injecting into the catholyte compartment of the cell carbon dioxide in a quantity sufficient to convert substantially all the alkali metal hydroxide forming therein to the alkali metal carbonate salt, and utilizing a magnitude of electrolyzing current that reduces alkali metal chloride in the catholyte solids to less than 400 ppm.
Patent GB-689266-A (GB)
Title: Overflow arrangements in automatic exchange systems
IPC: H04Q3/42
Filed: 1950-10-25
Abstract: 689,266. Automatic exchange systems. COMPAGNIE INDUSTRIELLE DES TELEPHONES. Oct. 25, 1950 [Oct. 27, 1949], No. 25991/50. Class 40 (iv). In an automatic exchange system of the type described in Specification 668,261, in which selection is effected by using a common marking multiple and an insulated battery in each register for testing thereover, certain overflow switches which may be used as finders or connectors are provided, the common marking multiple being connected to outlets leading to these switches only when all the regular connectors in the wanted group are busy. Line-finder arrangements. On a call being initiated by a line circuit 900, relay 530 operates followed by 540, 550 and 570 which initiates hunting by a register 912 for a free link circuit 908. When an idle link is found the finder 907 is caused to hunt for the calling line under the control of the register, testing taking place over the T-wiper of the finder and the A1 wire of the register. When the calling line is found switching relay 520 operates over the C1-wire and locks to the T1-wire. If all finders 907 are busy 550 remains unenergized, being shunted by battery placed on the M- terminal either by the links or by the register as described in Specification 668,261, and 560 comes up to enable at contact 561 such of the link circuits 903 as are free and the register continues hunting until one of these is found. The switch 901 is then connected up as a finder and operates similarly to switch 907 to find the calling line. Connector arrangements. When the selector 906 is seized it hunts for an outlet marked on its C-terminal by the insulated battery in the register over the hundreds digit switch and lead 923 and when such an outlet is found that also tests free over its T-wire, the switch is stopped and the selector switches through to the connector 931. The latter is then set as described in Specification 668,261. If all connectors are in use the busy contact chain 507, 507<SP>1</SP> ... operates relay 580 which connects the marking wire 923 to the C-terminals of the outlets connected to switches 901. The hundreds selector 906 then seizes a switch 901 which completes the connection as described above.
Patent GB-462057-A (GB)
Title: Improvements in cocks
IPC: F16K7/06
Filed: 1935-09-19
Abstract: 462,057. Pinch cocks. EVANS, D. J. Sept. 19, 1935, No. 25999. [Class 135] A pinch cock comprises a rubber tube c passing through a casing a and nipples b<1> at opposite sides of the casing. The tube rests on the bottom of the casing and is adapted to be flattened by a cam g acting on a compressor plate d to close the passage through it. The cam g has two diametrically opposite lobes and is continuously rotatable by the spindle f so that two closed and two opened positions are obtained by one revolution of the spindle. The cock may be used in conjunction with a rotary electric switch also actuated by the spindle f in electrolytic apparatus of the kind described in Specification 407,700, [Group XXXVI].
Patent GB-729409-A (GB)
Title: Light-sensitive material for photomechanical reproduction and process for the production of images
IPC: G03F7/022
Filed: 1953-09-21
Abstract: Ortho - quinone - diazide sulphonic acid chlorides are caused to react with pyrazoles, indazoles, triazoles or benzotriazoles to produce compounds as follows:-  1 - [Naphthoquinone - (11,21) - diazide - (21) - 51 - sulphonyl] - 3,5 - dimethyl - pyrazole (example 1) made by reacting naphthoquinone-(1,2)-diazide - (2) - 5 - sulphochloride with 3,5 - dimethyl pyrazole in alkaline dioxane.  The corresponding 3 - phenyl - 5 - methyl - pyrazole is made analogously using 3-phenyl-5-methyl pyrazole.  N - [Naphthoquinone - (11,21) - diazide - (21) - 5 - sulphonyl] - benztriazole is made similarly using benztriazole.  N - [Naphthoquinone - (11,21) - diazide - (21) - 4 - sulphonyl] - 6 - nitro - indazole is made similarly from the 4-sulphochloride and 6-nitroindazole.  1 - [benzoquinone - (11,21) - diazide - (21) - 41 - sulphonyl] - 3 - phenyl - 5 - methyl - pyrazole is made by reacting benzoquinone-(1,2)-diazide-(2) - 4 - sulphochloride with 3 - phenyl - 5 - methyl-pyrazole.  N - [5,6,7,8 - Tetra - hydro - naphthoquinone - (1,2) - diazide - (1) - 3 - sulphonyl] - 3 - phenyl - 5 - methyl-pyrazole is made by a similar reaction.  N - [Naphthoquinone - (11,21) - diazide - (21) - 51 - sulphonyl] - C - phenyl - tetrazole is made by reacting naphthoquinone - 1,2 - diazide - (2) - 5-sulphochloride with C-phenyl-tetrazole in alkaline dioxane.  Specification 633,746, [Group XVI], is referred to.
Patent GB-923181-A (GB)
Title: Thermally-stable jet combustion fuels
IPC: C10L1/14
Filed: 1960-07-26
Abstract: An additive for stabilizing jet fuels at high temperatures comprises 1 to 10% by weight, of a deactivator having the formula HO-A-CH=N-R-N=CH-A-OH wherein A represents a benzene ring, the OH groups being in the ortho position, and R represents an aliphatic radical having the two N-atoms attached to different carbon atoms, e.g. N,N1,-disalicylaldimine of propylene diamine, or of ethylene diamine, and between 99 and 90% by weight, of one or more full neutral aliphatic esters of citric acid, phthalic acid, oxalic acid or azelaic acid wherein the esterifying alcohol contains between 4 and 20 carbon atoms, e.g. tri-(isodecyl)citrate, tri-(tridecyl)-citrate, tri-(2-ethylhexyl)citrate, tri-octadecenyl citrate, di(isotridecyl)phthalate, di(isodecyl)phthalate, di-decyl phthalate, di(isotridecyl)azelate, tri-n-butyl citrate, di-amyl phthalate, di-hexyl oxalate, di-2-ethylhexyl azelate, tri-n-decyl citrate, tri-(iso-tridecyl)citrate, di-(tridecyl)phthalate, di-(iso-decyl)oxalate, di-hexyldecenyl phthalate, or di-octadecenyl azelate.  The jet fuels are hydrocarbon fractions having an initial boiling point of 100 DEG F. and an end boiling point of 750 DEG F. These fuels can be made up of catalytically or thermally cracked (including hydrocracked) distillate fractions, or mixtures of straight run fuel oil, or naphtha, with cracked distillate stocks, or alkylate.  The amount of additive composition will vary between 0,001 and 1% by weight.
Patent GB-437691-A (GB)
Title: Improvements in or relating to centrifugal machines
IPC: B04B7/06
Filed: 1934-09-11
Abstract: 437,691. Centrifugalmachines. AITKEN, G., 53, Glasgow Road, Rutherglen, Lanarkshire, and WATSON, LAIDLAW, & CO., Ltd., 98, Laidlaw Street, Glasgow. Sept. 11, 1934, No. 26048. [Class 23] The cover of an extractor or other centrifugal machine is locked, while the basket is rotating, by means of a bolt moved to the shot position by the engagement of a pendulous lever 7 with striking means 11 on the basket. The bolt is then held by a latch released by manually operated cams. The box 14, on the extension 48 of the cover 3, Fig. 1, houses a bolt 15, Fig. 10, with two depending tongues passing through gaps in the extension 48 and the casing 2. One of these tongues has a forwardly directed hook 22, and a pin 21 on the short arm of the lever 8 works in the gap between the two tongues. The hook 22 engages the casing and prevents the cover 3 from being raised when the bolt is in the locked position to which it is moved by the engagement of the lever 7 with the pads 11 on the rotating basket. A ratchet 36 engages teeth 35 in the top of the bolt to maintain it in its locked position. Cam slides 16, 17 are arranged at the side of the bolt and are operated by plungers 16<a>, 17<a>, against the action of springs, so that their surfaces 40, 43 engage a pin 39 to lift the ratchet 35 from engagement with the bolt. The pin 39 normally rests in a slot 44 in the slide 17, so that the slide 16 must be moved first to start the lifting motion and this is completed by movement of the slide 17. The slides also have depending hooks which engage the casing 2. When the basket has stopped and the lever 7 rests against it, as shown in Fig. 1, the hook 22 is in position to pass through the slot in the casing. The operator grasps the handle 47 and presses the plungers 16<a>, 17<a>, in order, with his thumbs. The movements of the cam slides lift the ratchet 35 to release the bolt 15 and shift their depending hooks so that they are in a position to pass through the slot in the casing. The cover 3 may then be lifted. Specification 8223 /15, [Class 23], is referred to.
Patent GB-503019-A (GB)
Title: Method of arranging pins or spikes in the staves of carding and like machines
IPC: D01G15/84
Filed: 1937-09-27
Abstract: 503,019. Carding - engines for flax, jute, &c. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd. (Suzuki, S.) Sept. 27, 1937, No. 26079. [Class 120 (i)] In a carding-engine for treating flax, jute, and other long fibres the pins or spikes 2 extend from the staves 3 at an angle to the peripheral surface and are' also displaced laterally at an angle to the vertical planes X-X normal to the roller or cylinder axis.
Patent GB-1171126-A (GB)
Title: Improvements in or relating to Scaffolding Clamps
Inventor: BURTON JOHN
IPC: E04G7/14
Filed: 1966-06-11
Abstract: 1,171,126. Clamps. BURTON DELING- POLE & CO. Ltd. 24 Aug., 1967 [11 June, 1966], No. 26109/66. Heading E2B. A scaffolding clamp comprises two pairs of pivoted jaws 10, 11 connected at an angle to each other one pair of jaws 10 having arcuate surfaces to clamp an upright tube 12 of circular section and the other pair of jaws 11 is formed with channelled recesses to clamp a tube 13 having a rectangular or square section. Each clamp securing bolt 10d, 11d has a T shaped head which pivotally engages a recessed portion 16 of the associated jaw. The extent of opening of the hinged jaw 11b is limited by a nose llh thereon abutting a face 11i of the jaw 11a. The two pairs of jaws are either integrally formed or are connected by a swivel pin to support tubes other than at right angles.
Patent GB-238745-A (GB)
Title: A safety device or fender for motor cars or the like
IPC: B60R19/28
Filed: 1924-11-03
Abstract: 238,745. Meynell, H. Nov. 3, 1924. Collision guards for vehicles comprises a front member in resilient connection with a continuous, rigid rear member attached to the framework of the vehicle. A bar d is attached to a rigid bar c, which is secured to the chassis side-bars by arms b, by means of springs hand bolts e slidable in the bar c. The bar d may be covered with rubber k or like material and stronger springs h without bolts e may be placed at the ends of the bar c.
Patent GB-832051-A (GB)
Title: Mixer for rubber or the like material
IPC: B29B7/84
Filed: 1958-08-14
Abstract: 832,051. Batch mixing appliances. FARREL-BIRMINGHAM CO. Inc. Aug. 14, 1958 [March 20, 1958], No. 26132/58. Class 86 A Banbury type mixer for rubber consists of two horizontal rotary stirrers in a mixing chamber 10 having a discharge outlet 12 and surrounded by a heating jacket 11. The mixer is charged from a hopper 21 through a shoot 19 which serves also as guide for a pressure ram 13, in shape a rectangular parallelopiped, which maintains the material in intimate contact with the stirrers. The ram is supported by a piston rod 14 actuated by a piston 17. There is a discharge passage 22 for gas and dust having a V-shaped recess 23, 24 at its junction with the shoot, the recess being gradually increased as the ram is raised. Thus pressure in the mixing chamber which may arise from gases of decomposition is released gradually, and the danger and possible loss of processed material which may arise when the pressure is released suddenly and explosively are avoided. In a modification (Figs. 3, 4, not shown) the recess is formed in a face of the ram and is in form an inverted V. In another embodiment (Figs. 5, 6, not shown) the mixing cam uncovers perforations in a plate between the shoot and the bottom of the gas discharge passage.
Patent GB-412539-A (GB)
Title: Improvements in internal combustion engines
IPC: F02B23/08
Filed: 1932-09-21
Abstract: 412,539. Cylinders. BREWSTER DEVELOPMENT CORPORATION, 225, Broadway, New York, U.S.A. Sept. 21, 1932, No. 26240. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 22, 1932]. [Class 7 (ii).] A combustion chamber comprises a main part 4 and an after-burning part 6, connected by a restricted orifice 7, and arranged diametrically opposite the inlet valve 5 and the sparking-plug 8.
Patent GB-284019-A (GB)
Title: Improvements in or relating to thermionic valve holders, supports and the like
IPC: H01R33/76
Filed: 1926-10-22
Abstract: 284,019. Miller, M. S. Oct. 22, 1926. Vacuum tubes. - A base 1 is moulded with lateral openings 2 through which pass helical springs 4 carrying or formed with sockets 10 having shoulders B supporting a disc 11, which serves as a guide for the sockets and as a stop to limit their movement. The disc fits loosely around the sockets and engages with a shoulder D on the base to limit its upward movement, and with stops A on the springs to limit its downward movement. Each spring is formed by coiling a strip of metal so that the turns pass through an aperture in the strip, and the part which is removed to form the aperture is bent outwards to form the stop A. The ends of the springs are clamped to terminals 9 and formed with soldering bags 5. The bottom of the base is closed by a cap 12 cemented in a groove and formed with projections C limiting the downward movement of the sockets. The base is secured to a panel by screws engaging in metal inserts.