baber/WOPTO huggingface dataset:
Patent GB-545707-A (GB)
Title: Improvements in or relating to transformer and like coils comprising paper impregnated with polymerised materials
IPC: H01F5/02
Filed: 1940-12-07
Abstract: 545,707. Transformers. STANDARD TELEPHONES & CABLES, Ltd., and LEE, E. C. Dec. 7, 1940, No. 17414. [Class 38 (ii)] A transformer coil 2 is wound upon a former 1 formed by winding a strip of fibrous material such as paper coated or impregnated with a synthetic resin such as poylstyrene or monostyrene which is subsequently polymerized " Bakelite " (Registered Trade Mark) also may be used. The winding 2 may be laid in a recess or in a helical groove cut in the former. Further layers of paper 4 may be wound on over the winding 2 and a groove may be cut therein to carry a secondary winding 5.
Patent GB-283421-A (GB)
Title: Improvements in washing machines for milk churns and the like
IPC: B08B9/08
Filed: 1927-06-30
Abstract: 283,421. Prestage, E. June 30, 1927. Churns and the like, washing.-Inverted churns 1 or similar receptacles, resting on a grid platform 10, are carried in separate compartments of a rotatable carrier 2 between inner and outer sets of pipes 5, 6 adapted to spray the exterior of the churns with washing solutions. The carrier, which is turned by hand from stage to stage in the washing process, is formed with slots 4 adapted to register with the pipes 5 when the carrier is at rest. Liquid is pumped to the pipes at the different stages from a number of tanks 22. The interior of the churns may be sprayed with liquid from fixed nozzles below the floor of the carrier. A shield 7 is provided on the carrier 2 to prevent liquid reaching the working parts of the machine. The carrier is provided with stays 14 and is supported by a hollow sleeve 11 mounted on a shaft 12.
Patent GB-513027-A (GB)
Title: Improvements in thermostats
IPC: F24H1/14
Filed: 1938-03-26
Abstract: 513,027. Thermostatic valves. METERS, Ltd., and BARNES, H. V. March 26, 1938, No. 17478/39. Divided out of 512.994, [Group XIII]. [Class 135] [Also in Group XIII] A water heater constructed as described in Specification 512,994 is provided with a ball valve j in the gas supply pipe, controlled by a spring strip i having a turned-up end i<2>, carried by a bimetallic strip i'. The thermal element is enclosed in a tube k extending to the mouth of the water inlet pipe b. The initial position of the strip i is adjusted by a rod p. A cut-off valve m is controlled by a bimetallic strip n heated by a pilot burner o, and a regulating valve s is also provided.
Patent GB-403130-A (GB)
Title: improvements in or relating to thermionic oscillation generators
IPC: H03B5/10
Filed: 1932-06-21
Abstract: 403,130. Valve generating circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London, and BAKER, G. B., Priest's Hill, Nettlebed, Henley-on-Thames. June 21, 1932, Nos. 17482 and 26944. [Class 40 (v).] The frequency of a valve generator of the dynatron type is maintained constant despite changes in the supply voltage. As shown, the high grid voltage is obtained from a tap 10 on a potentiometer 11 connected across a HT supply 12, 13 ; whilst a lower plate voltage is obtained by a tap 9 on a potentiometer 8 connected between the grid and cathode. By adjustment of the taps, a setting is found in which an alteration in the supply voltage 12, 13 causes such relative alterations in the plate and grid voltages that frequency is unaffected. Supply for the plate and grid may be taken from A.C. mains through a tapped transformer and rectifiers; or by a single transformer and rectifier with suitable impedances in the grid and plate leads.
Patent GB-546595-A (GB)
Title: Manufacture of disazo dyestuffs
IPC: C09B31/057
Filed: 1940-12-10
Abstract: 546,595. Dyes. GEIGY AKT.-GES., J. R. Dec. 10, 1940, No. 17506. Convention date, Dec. 11, 1939. [Class 2 (iii)] Secondary disazo dyes, dyeing animal fibres blue to blue-black shades, specially fast to fulling, sea water and light, are obtained by diazotizing an aminodiaryl sulphone, coupling with a primary amine of the naphthalene series coupling in p-position to the primary amino group, further diazotizing and coupling with a 1-N-alkyl- or N-aryl-aminonaphthalene- 8-sulphonic acid, one of the first two components containing a sulphonic acid group. Specified first components are 3-aminodiphenylsulphone and its 4- or 6-methyl-, methoxy- or chloro-derivatives and their 3<SP>1</SP>- sulphonic acids, 4<SP>1</SP>-methyl-2-aminodiphenylsulphone and its 4-sulphonic acid and 3-amino- 21 - 41 - 5<SP>1</SP>-trichlorodiphenylsulphone. Specified second components are 1-aminonaphthalene and its 6- and 7-sulphonic acids. Specified third components are the N-ethyl, N-phenyl and N-p-tolyl derivatives of 1-aminonaphthalene-8-sulphonic acid. Examples relate to the preparation of the dyes, (1) 4- or 6-methyl- 3-aminodiphenylsulphone-3<SP>1</SP>-sulphonic acid# 1-aminonaphthalene# 1-N-phenyl- or N-p-tolylaminonaphthalene-8-sulphonic acid; (2) the 4-methyl- or methoxy- or 6-methyl-derivative of 3-aminodiphenylsulphone or 3-amino-2<SP>1</SP>:4<SP>1</SP>:5<SP>1</SP>- trichlorodiphenylsulphone# Cleve's acid# 1-N- p-tolylaminonaphthalene-8-sulphonic acid, (3) 4- or 6-chloro-3-aminodiphenylsulphone-3<SP>1</SP>-sulphonic acid# 1 - aminonaphthalene# 1 - N - phenylaminonaphthalene - 8 - sulphonic acid ; (4) 4<SP>1</SP> - methyl - 2 - aminodiphenylsulphone - 4 - sulphonic acid# 1 - aminonaphthalene# 1 - N - p - tolylaminonaphthalene - 8 - sulphonic acid. Specifications 7337/92 and 13626/95, [both in Class 2], are referred to. Aminodiphenylsulphonesulphonic acids are obtainable by reducing the nitro group in the product of sulphonation of the product of Friedel-Kraft reaction of the corresponding nitrobenzenesulphochlorides with hydrocarbons of the benzene series. Aminodiphenylsulphones are obtainable by reducing the nitro group in the said Friedel- Kraft reaction products. 6 - Methoxy - 3 - aminodiphenylsulphone is obtainable by treating with sodium methylate in methyl alcohol the product of Friedel-Kraft reaction of 3-nitro-6-chlorobenzenesulphonic acid chloride with benzene. 3 - Amino - 2<SP>1</SP> : 4<SP>1</SP> : 5<SP>1</SP> - trichlorodiphenylsulphone is obtainable by reduction of the mononitration product from the FriedÚl-Kraft reaction of 2 : 4 : 5-trichlorobenzenesulphonic acid chloride with benzene.
Patent GB-702138-A (GB)
Title: Improvements relating to circuits for separating pulses on a width basis
Inventor: HUNTLEY KEITH GORDON
IPC: H04N5/10
Filed: 1950-07-13
Abstract: 702,138. Television. ELECTRIC & MUSICAL INDUSTRIES, Ltd. July 13, 1951 [July 13, 1950], No. 17522/50. Class 40 (3). [Also in Group XL(c)] Fig. 1 shows a circuit for separating the frame synchronizing pulses from the combined line and frame synchronizing pulses in an otherwise conventional television receiver. Negative going synchronizing signals. Fig. 2(a) produced at the anode of the right hand section of the amplifier and clipper 3, 4 are applied to the control grid of normally conducting valve 9. The anode circuit of this valve comprises an integrating network 12, 13 so that during the wide frame synchronizing pulses a signal of large amplitude appears at the anode, Fig. 2(b). This signal is applied to the control grid of the normal non- conducting valve 10 and holds it conducting due to the conductivity of rectifier 17. so that during this period valves 9 and 10 function as a limiting amplifier and the pulses applied at the input to valve 9 are transmitted via the common cathode load 11 to appear across resistor 22 as shown in Fig. 2(c). This waveform is differentiated by network 24, 25 so that a signal as shown in Fig. 2(d) is applied to the control grid of valve 26 which forms a cathode-coupled multivibrator circuit with valve 27 the free-running frequency of which is slightly below the frame frequency. The first positive pulse 41 of the incoming waveform, Fig. 2 (d) renders valve 26 conducting and valve 27 non-conductive, capacitor 29 discharges via diode 33 until the voltage at the grid of valve 27 rises sufficiently for a given input pulse, for example that shown at 40a in Fig. 2(d), after amplification and phase reversal in valve 26 to render valve 27 conducting. A frame frequency pulse is thus generated at the anode of valve 27 the leading and trailing edges of which are coincident with given frame synchronizing signal pulses. Capacitor 34 attenuates any line frequency component which may be inadvertently present. In a modification, resistor 15 and rectifier 17 are omitted and valve 10 arranged to limit by grid current flow.
Patent GB-146255-A (GB)
Title: Improvements in automatic fire-arms
IPC: F41A19/35
Filed: 1920-06-28
Abstract: 146,255. Decker, W. Oct. 23, 1918, [Convention date]. Addition to 145,487. Breech actions, sliding breech-block; firing- appliances.-Relates to automatic guns with slip-lock firing-mechanism in which the sear is pivoted to a lever actuated by the trigger, as described in the parent Specification. According to the invention, the sear, instead of being pivoted directly to the lever, is pivoted to a slide which is actuated bv the lever. In the construction shown, the sear 1 is pivoted to a slide a actuated by a lever 2 connected by a link 10 to the trigger. The sear tail 8 is lifted to release the firing-pin by engaging the fixed abutment 7.
Patent GB-1019703-A (GB)
Title: Improvements in and relating to refrigeration plant
IPC: F25B9/00
Filed: 1963-05-03
Abstract: 1,019,703. Refrigerating. SULZER BROTHERS Ltd. May 3, 1963, [May 4, 1962] No. 17642/63. Heading F4H. In a close-cycle compression refrigeration system a vessel of constant volume is selectively connectible to either the suction or discharge line of the compressor. All parts of the system are designed to withstand a pressure greater than that of the non-circulating refrigerant when the system is inoperative and at ambient temperature with the vessel connected to the system. As shown in Fig. 1, a refrigerating system of the non-condensing type comprises a two-stage compressor 1, intercooler 3, cooler 4, heat exchangers 5 and 6 and a low temperature coil 7. The cooled compressed gas from exchanger 5 is expanded in turbine 8 then passes through heat exchanger 6 to a further expansion turbine 9 before passage to coil 7, the returning gas from the latter serving as the coolant in exchangers 5 and 6. A vessel 11 is connected to the compressor suction and discharge lines 14, 17 by valve-controlled lines 12, 15 so that refrigerant may be supplied to or withdrawn from the cycle to carry its cooling capacity. To prevent oil contamination the piston shafts pass through labyrinth seals 18, 19 having chambers 18a, 18b and 19a formed therein, chamber 18b being connected to a point intermediate the compression stage and chambers 18a, 19a to the suction line 15 via a line 20 containing a restriction 21 to return refrigerant to the system. A chamber 22 intermediate seals 18, 19 and the compressor crankcase is also connected to suction line 15 via line 23 containing an oil adsorber 24. The work produced by turbines 8 and 9 is dissipated by compressors 25, 26 disposed in braking circuits comprising throttles 29, 30 and heat exchangers 27, 28 and are driven by the turbines through shafts 31, 32. The latter are lubricated by gas obtained from the discharged sides of compressors 25, 26 the gas being returned through line 37 to pressure equalizing lines 33, 34 connecting the inlet sides of the compressors to the outlet sides of the turbines, lines 33, 34 containing regenerators 35, 36. In the system shown in Fig. 2 part of the cooled compressed gas from exchanger 5 is passed to heat exchanger 6 and then to an additional heat exchanger 49 in which at least part of the refrigerant condenses, the refrigerant then passing to an expansion valve 53 supplying a cooling coil 50. The remainder of the gas from exchanger 5 is expanded in an engine 40, the discharge from which rejoins the returning refrigerant at a point between exchangers 49 and 6 and aids in cooling exchangers 5 and 6. A labyrinth seal 42 having an annular chamber connected by a line 43 to the discharge side of the engine 40 is provided and a chamber intermediate seal 42 and the engine crankcase is connected to suction line 15 by line 44. The latter contains an oil adsorber 45 and a valve 46 controlled by a device 48 in response to the pressure difference between the annular and intermediate chambers. The refrigerant may be hydrogen, oxygen, nitrogen, helium or neon.
Patent GB-1394008-A (GB)
Title: Radioactivity monitoring apparatus for fluids in flow
IPC: G01T7/02
Filed: 1973-04-12
Abstract: 1394008 Monitoring radio-activity L F E  CORP 12 April 1973 [1 May 1972] 17644/73 Heading G1A Apparatus for measuring radio-activity in fluids, liquids or gases, in flow, comprising a container 10 for holding a constant volume of fluid in flow, means for supporting a radiation detector within the container, nuclear radiation shielding 34, 60 substantially completely encompasing the container, an inlet pipe 45 passing through the shielding and shaped so as to turn down into the container as shown, and an outlet pipe 28 connected to the bottom of the container and directed immediately away from the container to the outside of the shielding. As shown, the container is removably fitted in the bottom half of the apparatus, the top half being removable for facilitating removal of the container. The inlet pipe is directed into the container so as to induce a swirling action of the fluid introduced into the container. A gas vent pipe 46 is also provided. The radiation detector is mounted in a well 41 and comprises a sodium iodide crystal sensitive to gamma radiation and a photo-multiplier tube. Electrical connections to the photo-multiplier are made at a jack 44, and the output may be connected to a meter, counter or recorder. The shielding is provided by lead 34, 60.
Patent GB-259312-A (GB)
Title: Improvements in spring wheels for motor cars and the like
IPC: B60B9/28
Filed: 1925-07-10
Abstract: 259,312. Parfitt, H. J. July 10, 1925. Spring wheels.-An outer rigid rim a is connected to the hub b by telescopic spokes c enclosing helical springs e. Curved plate springs f arranged at one or both sides of the wheel are secured, as shown, to the bolts d on which the spoke members c are pivoted.
Patent GB-1122264-A (GB)
Title: Improvements in or relating to tubular recuperative heat exchangers
Inventor: LEASON DENNIS BRIGHAM
IPC: F28F1/00
Filed: 1965-04-27
Abstract: 1,122,264. Heat recuperators; tube supports. CENTRAL ELECTRICITY GENERATING BOARD. 18 April, 1966 [27 April, 1965], No. 17719/65. Heading F4S. A heat recuperator comprises a group of tubes (20) each formed in two or more tubular sections joined end to end by tubular sockets 23. Each socket consists of a tubular member into which the aligned ends of two tube sections e.g. 21, 22, are fitted, and has an external contour such that corresponding sockets of neighbouring tubes are in contact, and at least some of the sockets have helical castellations on their external surface thereby leaving fluid passages between adjacent sockets. A group of contacting sockets together may form a tube support, baffle, or end plate (13, 14, 19, Fig. 2). The external surface of the sockets 23 may, in a modification, be constituted by externally protruding flanges. In the recuperator described (see particularly Figs. 1, 2, 8 and 10-14) air flowing around the tubes (20) is heated by hot gas flowing through the tubes. The tubes are of refractory oxide e.g. ceramic material and extend vertically through a refractory-lined casing (10) between inlet and outlet headers (12, 15) for the heating gas. Air flows through the casing from an inlet (17) to an outlet (18) each provided with a diffuser for the air. The tube plates (13, 14) are overlaid with at least one layer of tiles (29) bonded together by a glassy cement which is viscous at the operating temperatures of the recuperator thereby permitting relative movement of the tiles. Each tube plate is connected to the casing wall by a bellows element (31 or 36) to accommodate relative expansion. The tubes (20) have tubular extensions (32, Fig. 2), which extend below the lower tube plate (14) to a support (35) at the bottom of the casing. These tubular extensions have transverse holes (33) in the walls, thereof (Fig. 6) providing an outlet for the hot gas flowing from the tubes to the gas outlet (16) from the casing. The perimeter of the baffles and tube plates is fringed with edge tiles (30, 45, 46, 47 48, Figs. 4, 8, 10-12 and 14), bonded to the bellows (31, 36) or to the refractory lining of the casing 10 as appropriate.
Patent GB-543687-A (GB)
Title: Improvements in phase balance condition electro-responsive devices
IPC: H02H3/34
Filed: 1940-12-16
Abstract: 543,687. Protective cut-out arrangements. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 16, 1940, No. 17731. Convention date, Dec. 16, 1939. [Class 38 (v)] Phase-unbalance in the line 1 ... 3 is indicated, and protected against, by means of an induction machine 8, the rotor 8' of which has windings 9 ... 11 energized by line transformers such that positive sequence components produce a counter-clockwise rotating field and negative components a clock-wise field. The former field is rendered stationary in space by synchronously roting the rotor 8<SP>1</SP> clock-wise by a motor 15 having its field windings, energized from potential transformer 18<SP>1</SP> in the line and its D.C. rotor 19 on the shaft 19<SP>1</SP> of rotor 8<SP>1</SP>. The resultant double-frequency flux due to negative sequence components produces eddy currents in a slit bimetallic cylinder 20 surrounding the rotor 8<SP>1</SP>, with the result that a contact 22 on its free end engages a contact 24 on an ambient-temperature compensating strip 27. By reversing the connections of two of the windings 3 .. 11, the arrangement may be made responsive to positive sequence components. Voltage unbalance may also be protected against. Specification 159,148, [Class 38 (v)], is referred to.
Patent GB-988795-A (GB)
Title: Improvements relating to power presses and similar machine tools
Inventor: DEYKIN RONALD FREDERICK
IPC: B30B1/26
Filed: 1962-05-09
Abstract: 988,795. Friction clutches; controlling clutches. HORDERN MASON & EDWARDS Ltd. June 7, 1963 [May 9, 1962], No. 17741/62. Drawings to Specification. Headings F2C and F2L. To prevent inadvertent lubrication of the friction surfaces of an hydraulically controlled clutch used in a press by leakage of the control system, and to obtain immediate response to a clutch-controlling action, the clutch-control system is filled with an incompressible liquid having the property of rapid evaporation. The liquid may, for example, be water, with or without the addition of an oil-based rust inhibiter. The clutch may be of the type having pairs of pads forced axially apart by the pressure of the liquid into engagement with adjacent discs, as described in Specification 941,306.
Patent GB-328153-A (GB)
Title: Improvements in and connected with bits, augers and the like boring tools
IPC: B27G15/00
Filed: 1929-06-10
Abstract: 328,153. Homeshaw, G. R. June 10, 1929. Augers.- An auger is formed with a screwed point 3 and a cutting head 2 carrying a tongue 10 on its periphery for shaping the hole. A slot 6 is cut in the head, and on one edge of the slot a cutting edge 5 is formed approximately tangential to the portion 3. The upper surface of the head 4 slopes rearwardly to the other edge. of the slot 6, and the periphery is tapered inwardly towards the shank.
Patent GB-1094843-A (GB)
Title: Improvements in and relating to devices for landing parachuted loads
Inventor: FAURE MARC
IPC: B60V1/00
Filed: 1965-04-28
Abstract: 1,094,843. Air cushion vehicles. SOCIETE BERTIN & CIE. April 28, 1965 [May 12, 1964], No. 17835/65. Headings B7G and B7K. A load-carrying platform 1 on which loads are dropped by parachute has at least one toroidal bag 2 fixed to its underside, means for inflating the bag and means for discharging fluid to the space it surrounds, so that an air cushion is formed when the bag nears the ground. The bag is inflated by ejectors 4a supplied before impact by a further ejector supplied with gas from a compressed gas bottle, and after landing by a compressor on a tractor used to tow the platform. The air cushion may be supplied by an ejector, or by fluid from the bag, through a connection 3a containing a diaphragm which bursts or a valve which opens when the bag pressure reaches a predetermined value. The compressed gas bottle is opened automatically when the platform nears the ground by a line (Fig. 4, not shown) carrying a weight which strikes the ground to release the tension in the line.
Patent GB-333234-A (GB)
Title: Improvements in or relating to power transmission mechanism
IPC: F16D23/08
Filed: 1929-02-07
Abstract: 333,234. Salerni, P. M. Feb. 7, 1929 Divided on 333,222, [Class 80 (ii), Gearing, Variable-speed &c.]. Free-wheel gearing.-Relates to bi-directional dog clutches of the kind which employ a baulking ring or member to prevent engagement except when the shaft speeds are equal and which may be employed, as described in Specification 306,636, [Class 80 (ii), Gearing, Variable, - speed &c.], between the gear-box and the back axle of an automobile, so as to permit coasting and facilitate speed-changing, or may be placed between the engine and the gear-box, to permit coasting, or in the gear box. The clutch may be operated by a spring or by a hand lever, which may act through a spring, or by the foot lever controlling the main engine clutch, and the baulking ring engages one of the clutch members, preferably the driving-member, by a. white metal, bronze, &c. antifriction surface or washer. The clutch member A<1> splined upon the driving shaft A carries teeth A<2> for engagement with teeth B<2> on the driven member B<1>. The baulking-ring C engages by antifriction means D the member A<1> and has teeth C<3> partly inclined at an angle of approximately 6‹, engaging similar projection B<3> on the member B<1>, and plain teeth C<5> which engage notched teeth B<5> on the member B<1> when, as shown in Fig. 1, the clutch teeth A<2>, B<2> have been disengaged and the driven shaft is overrunning the driving-shaft. The slope of the inclines on the teeth C<3> is insufficient to enable the axial pressure exerted upon the member A<1> to effect rotation of the ring and is such that the resistance to their movement relatively to the projections B<3> is less than that of the ring relatively to the member A<1>, so that when the member A<1> overtakes the member B<1> the ring moves over the member A<1> and the clutch A<2>, B<2>, is automatically engaged by the spring means &c. The clutch may be used, as described in Specification 306,636, [Class 80 (ii), Gearing, Variable-speed &c.], for facilitating change of speed generally, or in the, gear box as a clutch for the direct drive top speed only, in which case the parts are so arranged as to permit engagement when the speed of the driving-member falls to that of the driven member. According to the Provisional Specification, rolling contact may be employed between the baulking-ring and the driving clutch member. and the inclined faces on the ring and driven clutch member may be helically formed to facilitate their relative movement.