baber/WOPTO huggingface dataset:
Patent GB-195943-A (GB)
Title: Improvements relating to the art of refrigeration
IPC: F25B1/04
Filed: 1923-03-01
Abstract: 195,943. Kucher, A. A. April 7, 1922, [Convention date]. Refrigerating, compression machines and processes for.-In machines wherein a lubricant is employed which is soluble in or forms a stable homogeneous mixture with the refrigerant, portions of the liquid solution or mixture are introduced into the stream of vapour drawn by the compressor from the evaporator, so as to maintain a circulation of lubricant. Preferably a halogen derivative of the methane group, such as ethyl chloride, is used as the refrigerant, and a mineral oil as the lubricant, a proportion of one part of oil to four parts of ethyl chloride being suitable. Or colloidal carbon or graphite may be employed as a lubricant with ethyl chloride. The invention is described as applied to a machine having a rotary compressor 38 with radially sliding vanes, as described in Specification 187,604, mounted on the shaft 26 of an electric-motor 15 enclosed within an inner casing 24. The space 10 between the motor casing and an outer wall 20 serves as the condenser and is traversed by coils 60 through which cooling-water is circulated. The motor shaft is supported by a lower bearing in the base plate 21 and by a bearing in the upper part of the inner casing. The pump rotor and vanes are seated between the wall of the motor casing and a disc 50 free to rotate but held in position by a spring pin 52. The pump discharges through a passage 32 and valve 32<1> into the space 10, and the passage of condensed fluid through a pipe 13 to the evaporator 11 is controlled by a valve 16 actuated by a float 17 according to the level of liquid in the space 10. The pipe 13 preferably leads through the return vapour pipe 12, which connects with a U-tube 73 in the upper part of the evaporator. This U-tube is normally partly immersed in the combined refrigerant and lubricant liquid in the vessel 11 and is provided with a perforation 74 through which a spray of liquid is drawn by the pump to mix with the returning vapour. A deflector 56 mounted fast on the motor shaft below the upper bearing directs leaking liquid down the walls of the motor casing, a port 57 being provided at the bottom of the casing for the flow of this liquid into the suction pipe 12.
Patent GB-608897-A (GB)
Title: Manufacture of trisazo-dyestuffs
IPC: C09B43/16
Filed: 1946-02-26
Abstract: Trisazo dyestuffs are manufactured by coupling a diazotized disazo dyestuff of the general formula R1-N=N-R2-N=N-R3-NH2 (wherein R1 represents a phenyl or 1-naphthyl radical containing as at least one substituent a nitro group in the 4-position with respect to the azo group, and R2 and R3 represent the residues of middle components of the naphthalene series) in an alkaline medium with an N-substituted aminonaphtholsulphonic acid in which the N-substituent corresponds to the general formula <FORM:0608897/IV (c)/1> (wherein J1 and J2 each represent a radical or atom incapable of taking an active part in the formation of dyestuffs by coupling or diazotization), e.g. a binary or ternary condensation product of cyanuric chloride or 2-phenyl-4 : 6-dichloro-1 : 3 : 5-triazine with an equimolecular proportion of an aminonaphtholsulphonic acid, especially the 2 : 5 : 7-acid, and 1 or 2 molecular proportions of a simple primary or secondary amine or amines, such as methylamine, dimethylamine, monoethanolamine, aniline, N-methylaniline, aniline m- or p-sulphonic or carboxylic acid, o-, m- or p-toluidine or sulphonic acids thereof or 1 - amino - 4 - hydroxybenzene - 3 - carboxylic acid.  The products dye cotton and viscose artificial silk in grey shades.  Examples describe the production of the following dyestuffs: (1) p-nitraniline --> 1-naphthylamine-7-sulphonic acid --> 1-naphthylamine-7-sulphonic acid --> the binary condensation product of cyanuric chloride with equimolecular proportions of 2 : 5 : 7-acid and metanilic acid; the first component may be replaced by 1-amino-4-nitrobenzene-2-sulphonic acid or 1-amino-4-nitronaphthalene-5-sulphonic acid, or the end component by the ternary condensation product of cyanuric chloride with equimolecular proportions of 2 : 5 : 7-acid, metanilic acid and aniline; (2) p-nitraniline --> 1-naphthylamine-7-sulphonic acid --> 1-naphthylamine-7-sulphonic acid --> the ternary condensation product of cyanuric chloride with equimolecular proportions of 2 : 8 : 6- or 1 : 5 : 7-acid, metanilic acid and aniline; (3) p-nitraniline --> 1-naphthylamine-6-sulphonic acid --> 1-naphthylamine-6-sulphonic acid --> the first end component of (2) or the second end component of (1).  In further examples: (4) cotton is dyed grey with the first dyestuff of (1) from a bath containing sodium carbonate and, in the later stages, sodium sulphate; (5) viscose artificial silk is similarly dyed reddish grey with the first dyestuff of (3). Additional components specified are: as first components corresponding to R1 : 2-chloro-, 2-methyl-and 2-methoxy-4-nitroaniline, 2 : 4-dinitroaniline, 2-amino-5-nitrobenzoic acid and 1-amino-4-nitronaphthalene-6- and 7-sulphonic acids; as middle component corresponding to R2 or R3 : a -naphthylamine; as end component; the binary condensation product of cyanuric chloride with equimolecular proportions of 2 : 5 : 7-acid and aniline.  The use as diazo components of the disazo dyestuffs employed in Specification 589,239 is disclaimed. Specification 209,723, [Class 2 (iii)], also is referred to.
Patent GB-158465-A (GB)
Title: Improvements in oil fuel burners or sprayers
IPC: F23D11/12
Filed: 1920-02-28
Abstract: 158,465. Babcock & Wilcox, Ltd., and Spyer, A. Feb. 28, 1920. Air and steam pressure sprayers. - A liquid-fuel spray-burner comprises a body C having passages communicating with pipes A, B for supply of fuel and steam or compressed air, and a removable plate G with slots H and I spaced apart and registering with the oil and steam passages, the plate being secured on the burner by a cap E. The slotted plate G may be changed for others having slots of different sizes so as to an increased or reduced output. The slots may diverge towards the mouth or may be inclined upwards or downwards.
Patent GB-1059071-A (GB)
Title: Improvements in transparent or translucent structures
Inventor: WYSS RUDOLF
IPC: E04C1/42
Filed: 1964-02-14
Abstract: 1,059,071. Walls and windows. NEURIT A.G. Feb. 14, 1964, No. 6291/64. Heading E1B. A transparent or translucent wall, window or partition comprises a number of hollow bricks bonded together with a synthetic resin cement 12, each brick being formed as two tray-shaped members 1 bonded together with or without an intermediate frame 2. A decorative effect is provided by a refracting or filtering layer 9 having a roughened surface 10, the layer 9 being preformed and attached to each inner surface of a brick, or being cast into position in the brick. Each brick may be three-, four-, or six-sided in section.
Patent GB-829059-A (GB)
Title: A counterbalancing weight for balancing shafts
IPC: F16F15/34
Filed: 1958-02-27
Abstract: 829,059. Balancing shafts. GELENKWELLENBAU G.m.b.H. Feb. 27, 1958 [April 8, 1957], No. 6352/58. Class 80 (2). A weight used to balance a propeller shaft 3 is in two parts 1, 2 having exteriorally sloped surfaces wedged against the undercut sides 4a, 4b of a circumferential groove in the shaft by tightening a screw 5 engaging threaded semicircular recesses in the adjacent faces of the twopart weight.
Patent GB-823145-A (GB)
Title: Improvements relating to Suction Cleaners
IPC: A47L5/32
Filed: 1956-02-29
Abstract: 823,145. Suction cleaners. HOOVER Ltd. Feb. 29, 1956 [March 9, 1955], No. 6384/56. Class 8(1). In a handle propelled motor-fan suction cleaner comprising an upwardly extending filter casing 10, Fig. 1, connected at its lower end to the fan inlet and nozzle 11 so as to be movable therewith during normal floor cleaning and connected at its upper end with a hose 22 having its opposite end 23 detachably connected to the nozzle 10 and which when detached therefrom may be provided with an off-the-floor cleaning nozzle 26 ,Fig. 3, the hose 22 is extensible to a length not less than twice its normal retracted length. The handle 25 may be detached from a socket provided by a casing cover 16 and from a yoke 28 and used as an extension tube during off-the-floor cleaning. Specifications 412, 894 and 800,371 are referred to.
Patent GB-537160-A (GB)
Title: Improvements relating to tank filling devices
IPC: B67D7/00
Filed: 1940-04-09
Abstract: 537,160. Filling tanks. MORRIS MOTORS, Ltd., OAK, A. V., and TUXFORD, N. H. April 9, 1940, No. 6409. [Class 21] A filling device for tanks, e.g. for fuel banks of automobiles, consists of an outer tube c secured to the top of the tank and having an enlarged upper end l and a telescopic inner tube g with enlarged upper end m normally resting in member e. Tube g may be drawn out and rotated so that an aperture p engages a hook r on the body of the automobile, so that when a screw plug i on a flexible connectionj is removed the device may be used as a funnel. A closure s on the outer tube may be provided on the tube or on the automobile body.
Patent GB-169935-A (GB)
Title: Improvements in or relating to comb cutting machines
IPC: B29D21/04
Filed: 1921-02-25
Abstract: 169,935. Claussner, F. Feb. 25, 1921. Circular-saw machines.-The oscillation of the work-holder 6 of a comb-cutting machine, which oscillation is produced by a cam 10 acting on the tail 15 of the holder, is stopped during the time that the saw frame 3 is lowered to bring the coarse saw 1 into action, by arranging a slot 16 in the tail 15 to be brought into register with the cam at the appropriate moment in the traverse of the holder. The continued traverse effects a positive endlong movement of the cam by means of a catch 13 on the carriage and a lever 11, to ensure that the cam escapes from the slot again. Two separate ratchet feeds of the carriage are provided, one corresponding to each of the saws: one drives the feed screw 7 direct, the other through spur gearing.
Patent GB-1346863-A (GB)
Title: Internal combustion engines of the free-piston type
IPC: F15B21/044
Filed: 1972-02-11
Abstract: 1346863 Free piston engines GRUNDIG E M V -ELEKTRO-MECHANISCHE VERSUCHSANSTALT MAX-GRUNDIG 11 Feb 1972 [11 Feb 1971] 6439/72 Heading F1B A free-piston engine comprises pistons 1, 2 coupled to a common drive-shaft 11 through a hydraulic movement converter 4----9 whose fluid-filled spaces 8, 9 are controlled by valves 16, 12 responsive to a control system 18o, 18u, 19, 20o, 20u generally similar to that described for low engine speeds in Specification 1288820, means being provided to use the control system and valves to vent gas bubbles which form in the spaces 8, 9 during the replenishing of these spaces with fluid, prior to an engine operation, to compensate for fluid leakage during a long idle period with the control system switched off. To this end, the control valve 16 is located at the uppermost point of the space 8 and a control signal, simulating a permanent leakage of fluid from the converter, is applied to the valve 12 which opens to admit fluid continuously until the signal is terminated. As a result, the piston 6 is forced into an extension 21 to allow a mixture of fluid and gas to pass from space 9 to space 8. This mixture, with that from the space 8, is vented through the valve 16 which has been opened by operation of the control system to move the piston 2 to a position corresponding to the angular position of the shaft 11. The invention enables venting to be performed by remote manual control instead of manual operation of the valves at the engine. Such remote control is described for a two cylinder engine, Fig.2 (not shown), a single control signal source (23) being applied to the valves (12 1  12 2 ) by manual operation of a changeover switch (22), which is changed back when venting is completed to restore to the valves the outputs of the comparators (20u 1 , 20u 2 ) of the control system.
Patent GB-129747-A (GB)
Title: Improvements in Signalling by Means of Light.
Inventor: DOWNES ALLAN JOHN
IPC: H04B10/00
Filed: 1918-04-17
Abstract: 129,747. Downes, A. J. April 17, 1918. Lamp and flash signals.-Light signals are given by forming a spectrum at the transmitting-station, stopping out part or parts of the spectrum, and recombining the light for transmission as a mixed beam. The portion of the spectrum stopped is small, or complementary portions of the spectrum are stopped, so as not appreciably to affect the colour of the mixed beam, and the absence of the stopped rays is observed by spectroscopic examination at the receiving-station. Signals are given by predetermined code, and the received spectrum may be compared with a scale or with a complete spectrum formed by auxiliary means. Light from a suitable source, such as an arc lamp, is collimated by a lens A and passed through a direct-vision prism B and through a lens C, which forms a focused spectrum in the plane SS. This spectrum is formed in a rectangular aperture in a plate (not shown) provided with stops which can be placed across the aperture to stop the desired portion of the spectrum. The stops may be operated from a keyboard. The passed rays, forming a mixed beam, give a white image, in the plane WW at the receiving-station, of the face of the prism in the plane PP. The length of the beam between the planes SS, WW may be adjusted by altering the distance between the lens C and prism B. The mixed beam received at WW is examined spectroscopically.
Patent GB-754238-A (GB)
Title: Improvements in or relating to automatic telephone exchange systems
IPC: H04Q3/52
Filed: 1954-03-05
Abstract: 754,238. Automatic exchange systems. PHILIPS ELECTRICAL INDUSTRIES, Ltd. March 5, 1954 [March 10, 1953], No. 6501/54. Class 40 (4). In a PBX in which subscribers' line circuits LC include a transformer TA and internal connections are established over discharge paths under the control of a common marker VCA or VCB, the line circuits include also a discharge tube V3 controlling a relay 1A for connecting the subscriber's line directly to a public exchange line SS. When the subscriber AB closes his line loop a pulse through the transformer TA fires one of the tubes V1, V2, say V1, to complete a connection to the marker VCA, the line circuit LC and marker being marked busy by the changes of potential at the multipled points M, N2. In response to dialled impulses, a counter TS applies firing potential through a delay network R6, R7, C5 to the second trigger f2 of a tube corresponding to V1 in the wanted subscriber's line circuit, thus completing a speech path, by way of the common point N1. If O is dialled to obtain connection to the public exchange, the counter TS fires a self-extinguishing tube V5, provided its electrode f2 is not earthed on account of the line SS being busy. As a result a positive pulse is applied through a capacitor C9 to fire the tube V3 which has been primed by the firing of V1 in the line circuit LC, and relay 1A connects the calling line to the line SS, a pulse being transmitted through the transformer TA to restore the marker VCA. The tube V3 is maintained until the line SS is released when the replacement of earth potential on wire SS1 fires a selfextinguishing tube V6. On an incoming call, A.C. relay P responds to ringing current and gives a calling signal. The operator throws key S to position 2 to energize relay Q, connecting her set TF to the line SS, relay P being released. To extend the call to the wanted subscriber, she throws key S to position 3 and sets up the internal call by dialling in the same way as a local subscriber, the incoming call being held by the operation of relay R. Upon reply, key K is actuated to deliver a pulse to the second trigger f1 of the tube V5 which has been primed by the firing of V4 in the operator's circuit, with the result that the appropriate relay 1A becomes energized to complete the required connection.
Patent GB-1348353-A (GB)
Title: Automatic multi-spindle lathe
IPC: B23Q1/26
Filed: 1972-02-11
Abstract: 1348353 Multi-spindle lathes; indexing WERKZEUGMASCHINENFABRIK GILDEMEISTER & CO AG 11 Feb 1972 [18 Feb 1971] 6564/72 Headings B3T and B3B In an automatic multi-spindle lathe having a plurality of work spindles 3 mounted in an indexable spindle drum, the drum 2 is supported by thrust and journal rolling bearings 5, 6 and 9, 12 respectively in the machine frame 1, the bearings being adapted to be preloaded to control displacement of the spindle drum due to temperature and operation loads during machining operations and hence retain consistent machining accuracy. The thrust bearings 5, 6 are located one on each side of a collar 4 on the spindle drum, bearing 5 being also in engagement with an end flange on the frame 1. The journal bearings 9 and 12 are positioned one near each end of the spindle drum, the outer race of each being constituted by annular ring members 7 and 10 respectively. The ring 7 abuts thrust bearing 6 and ring 10 abuts a retaining flange 11 secured to the frame 1, the outer peripheral surfaces of the rings being supported in respective bores in the frame. Each ring is provided with a plurality of internal and external annular slots 8 which serve to provide additional resilience of the ring when subjected to axial loading. Located between the rings and equally angularly spaced around the outside of the spindle drum are a plurality of piston and cylinder units 14 and 13, the cylinder 13 and piston-rod 15 of each unit being engaged with the bearing rings 10 and 7 respectively. Operation of the piston and cylinder units causes axial and radial movement of the rings to preload (or release) the thrust and journal bearings and maintain axial and radial location of the spindle drum. The drum is indexable by means (not shown) and is located in its indexed position by a piston and cylinder unit 17, 18 the rod 19 of which has a gear 20 on one end which engages a gear ring 21 on the drum. The pistonrod 19 has a stop 22 at its other end which engages switches to control the operation of the piston and cylinder units 14, 13. In an alternative embodiment, see Fig. 4, the locking rings 70, 100 are constructed as hydraulic pistons with pressure spaces 25 and pre-pressurized fluid is fed to these spaces simultaneously through a common line 27.
Patent GB-432815-A (GB)
Title: Improvements in heat treatment of aluminium alloys
IPC: C22F1/00
Filed: 1934-03-01
Abstract: To remove internal stresses from an aluminium alloy piece after solution treatment, i.e. heating to 520 DEG  C. and quenching, but before ageing, if carried out, the piece is plunged into, and agitated in, a ball of oil, molten salts, or metal, the temperature of which is 190-250 DEG  C.  The process may be applied to pieces previously treated according to the processes described in Specifications 382,422 and 390,244.  In an example an alloy composed of 2,3 per cent of copper, 1,3 of iron, 1,3 of nickel, 0,8 of magnesium, 0,6 of silicon, 0,08 of the titanium and the balance aluminium was treated in a bath at 220 DEG  C. for about 3 minutes. Baths of a mixture of potassium and sodium nitrates, tin or a mixture of tin and lead are referred to.
Patent GB-469989-A (GB)
Title: Lubricating means for axle bearings of railway vehicles
IPC: B61F17/20
Filed: 1937-03-05
Abstract: 469,989. Lubricating. NEMETZ, G. March 5, 1937, No. 6598. Convention date, July 25, 1936. [Class 12 (iii)] In an axle bearing for railway vehicles a cover 4 rests upon the casing 2 along an inclined plane and carries an oil lifting disc 7. An annular casing 16 surrounds the disc 7 and has adjacent the latter two arcuate grooves 17, 18, the lower ends 19, 20 of which are below the oil level in the oil sump 10 and the upper ends of which lead to ducts 23 communicating with the bearing surfaces. The disc 7 is rotated by a pin-and-slot mechanism from the axle 1, oil being entrained by the disc 7 and forced up one of the grooves 17, 18 to the ducts 23. The other groove 17, 18 tends to draw air from the passages 23. To prevent air being fed with the oil, a projection 25 separates the openings 19, 20. For the same purpose the casing 16 has an internal lip 27 to form an annular oil sealing chamber 28 and the disc 7 has apertures 29 adjacent thereto. Oil is led to the chamber 28 by an oil duct 30. In a modification, a separate annular plate is inserted between the left-hand side of the disc 7 and the surface 12 of the cover.
Patent GB-1025160-A (GB)
Title: Quaternary benzylammonium salts and their production
Filed: 1965-02-16
Abstract: The invention comprises compounds of the general formula <FORM:1025160/C2/1> (wherein R1 is a C1- 6 alkyl or b -(C1- 4 alkoxy) ethyl group, R2 is a C1- 4 alkyl group, R3 is a hydrogen or halogen atom or a C1- 4 alkyl group, and X is an anion), pharmaceutical preparations containing them together with a carrier, and their preparation by reacting a compound of the formula <FORM:1025160/C2/2> with BX (wherein A is R1 and B is <FORM:1025160/C2/3> or vice versa). The preparation of the following intermediates is described: tri - (b - isobutoxyethyl)amine, b -ethoxyethy - di - (b  - butoxyethyl)amine, benzyldi - (b  - propoxyethyl)amine, 2 - ethoxyethyl - di - (2 - chloroethyl)amine hydrochloride and benzyldi-(2-chloroethyl)amine hydrochloride.  The compounds of the invention may be used in the treatment of gastric ulcers.
Patent GB-307031-A (GB)
Title: Improvements in and relating to electric furnaces
IPC: H05B3/66
Filed: 1929-03-01
Abstract: 307,031. British Thomson- Houston Co., Ltd., (Assignees of Cherry, R. M.). March 1, 1928, [Convention date]. Resistance furnaces.-The upper heating elements consist of ribbons of a nickel chromium alloy bent to the form of a grid 22 and supported by metal hooks 29 inserted in holes in L-shaped blocks 24 of alumina arranged in parallel rows and threaded on rods 25. The spacing of the rows is maintained by metal cross-bars 26 carrying insulators 31 for preventing contact between adjacent limbs of the ribbon, and insulating plates 32 having slots 33 through which the supply leads are threaded. Recesses 27 in the blocks 24 enable the hooks 29 to pivot to take up expansion. The elements are slidably supported on brackets 14, 17 carried by the furnace walls and fixed on removable bars 18 of alumina respectively. The brackets 14, 17 and the bars formed by the blocks 24 may be provided with co-operating flanges. The sections 36 of the furnace wall are removable and may be integral with the structure for supporting the resistances. The hearth-heating elements are similar to the upper heating elements, but are inverted and arranged in recesses covered by nickel chromium plates 23. The furnace has an outer metal casing 10 and a charging and discharging opening 12'.