baber/WOPTO huggingface dataset:
Patent GB-484652-A (GB)
Title: Means for braking motor vehicles
IPC: F01L13/00
Filed: 1937-10-09
Abstract: 484,652. Braking motor vehicles. OETIKER, E., (trading as OETIKER & CO. MOTORWAGEN - FABRIK). Oct. 9, 1937, No. 27511. Convention date, Oct. 10, 1936. [Class 79 (v)] [Also in Group XXVII] In a vehicle in which the engine is used as a brake by closing a valve in the exhaust pipe and admitting air to the cylinders, the liquid and gaseous fuel in the carburetter is removed there - from simultaneously with the closing of the exhaust pipe, and the ordinary throttle is opened so that air is admitted to the cylinders through the carburetter, the fuel being returned to the carburetter for normal running of the engine when the exhaust pipe is opened again. In the construction shown the carburetter float chamber 18 is connected by a pipe 17 to a cylinder 16 having a piston 15 raised and lowered by a lever 11, 12 connected by a link 13 to the valve (not shown) controlling the exhaust pipe, so that when this valve is closed by the driver in order to use the engine as a brake the piston 15 is raised and sucks the fuel from the float chamber. The capacity of the cylinder 16 is about twice that of the float chamber so that the vaporized fuel present is also withdrawn into the cylinder. The supply of fuel to the carburetter is cut off by a valve 25, Fig. 3, immediately the piston 15 begins to rise, as a lug 28 on the piston rod releases an arm 29 on a shaft 22 having an arm 23 urged by a spring 24 into the valve-closing position. When the arm 23 is held down by lug 28 the valve 25 opens by gravity. As the piston reaches the top of its stroke a lug 10 on the lever 11, 12 abuts against and rocks a lever 9, 6 pivoted at 8 and connected by link 4 to the throttle valve 3 which is then opened against the control of a spring 5. When the engine is to be restored to normal working again the valve in the exhaust pipe is opened, the piston 15 is lowered, thereby returning the fuel to the carburetter and opening the fuel valve 25, and the throttle valve is allowed to close under the action of its spring 5. As the fuel is forced back to the carburetter spilling is avoided by the fact that the only air vent is at the top of a pipe 32 provided with baffles 34 and air openings closed by a light loose diaphragm 33.
Patent GB-911879-A (GB)
Title: Improvements in or relating to tamperproof closures for containers
Inventor: HOWELL BRYAN GORDON
IPC: B65D51/20
Filed: 1961-07-28
Abstract: 911,879. Stoppers. METAL BOX CO. Ltd. July 28, 1961, No. 27524/61. Class 125(3). A synthetic plastics tamper proof stopper for a metal container with screw cap 3 consists of an axially slidable plug 6 with a peripheral ridge 7 formed to co-operate with the inner edge 8 of the inturned mouth to constrain the plug against withdrawal from the outlet and a flange 9 extending laterally from the plug to rest against the outer end of the neck, the flange being connected with the outer end of the plug by a rupturable fillet 11. To obtain access to the contents the fillet must be ruptured either by pushing the plug 6 into the container or by tearing the flange from the plug. The flange also provides a seal for the screw cap. A plurality of ribs 14 of semi-circular cross-section may be provided to assist escape of gas during insertion of the plug.
Patent GB-1399327-A (GB)
Title: Presses
IPC: B26D5/14
Filed: 1973-06-08
Abstract: 1399327 Stamping; punching; bending presses OSTERWALDER AG 8 June 1973 [8 June 1972] 27531/73 Headings B3H B3Q B3E and B3W A press for stamping, bending or punching has a plunger 4 which carries a press plate or press tool on its face 30 and is reciprocated into a working position by an eccentric 1 and moved hydraulically through a working stroke. The eccentric 1 has a connecting rod 2 to a piston 3 in a cylinder of the plunger 4. At the end of the eccentric approach stroke the cylinder space 7 is hydraulically pressurized to move the plunger 4, the movement being limited by stops 6, 29. The other cylinder space 10 is constantly pressurized pneumatically or hydraulically for the plunger return stroke. Rollers 15, 15<SP>1</SP> are provided between the piston 3 and the connecting rod 2. The stroke of the plunger is adjustable by a screw 6. The eccentric drive moves the plunger press plate or tool close to the other tool for the final hydraulic working stroke. The sequence of operations is controlled by cam or photo-electric operated limit switches.
Patent GB-1190155-A (GB)
Title: Constant Level Loading of FM Modulator
Inventor: WACHS MARVIN R
IPC: H04B14/00
Filed: 1968-06-10
Abstract: 1,190,155. Radio transmitting systems. COMMUNICATIONS SATELLITE CORP. 10 June, 1968 [21 June, 1967], No. 27536/68. Heading H4L. A transmitting system in which a message signal frequency-modulates a carrier, comprises a waveform generator for producing a waveform which is distinguishable from the message, an amplitude control device responsive to the message for varying the waveform in accordance with the average amplitude of the message and a linear adder for adding the message to the varied waveform to modulate the carrier. This ensures that the power density spectrum of the transmitter is spread over the complete bandwidth under different input conditions particularly in the case of a multiplex system when not all the input channels are in use. As shown in Fig. 2, input channels 30 are multiplexed at 32 and the resulting composite message signal is fed to an adder 42 whose output frequencymodulates at 36 the carrier from generator 38. The message signal is also fed via a high pass filter 46 and amplifier 48 to control an attenuator 44 in the output circuit of the waveform generator 40 which preferably produces a triangular waveform. The output of attenuator 44 is supplied via amplifier 50 and filter 52 to the adder 42. The frequency spectrum of the triangular waveform is arranged to be below the lower end of the baseband of the multiplex signal. The attentuator, Fig. 3 (not shown) consists of a lamp which is energized by the output of amplifier 48 and controls a lightsensitive resistor forming one arm of a bridge network, the input terminals of the bridge being connected to the generator 40, and the output terminals to the amplifier 52.
Patent GB-282530-A (GB)
Title: Improvements in and relating to oil heaters
IPC: F28F27/00
Filed: 1926-11-03
Abstract: 282,530. House, H. Nov. 3, 1926. Levels, regulating.- In a steam-heated oil heater, the regulation of temperature is secured by varying the surface in contact with the steam. Oil is passed through the tubes 11 and steam through the chamber surrounding them, the heating effect being regulated by the amount of water of condensation in the chamber 12. A tube connected to the chamber 12 contains a tube 4 having openings 5 at heights corresponding to desired levels of water in the chamber 12. A hollow spindle 8 carries valves 6 adjacent to the openings 5, and any one of these valves may be set in the open position by rotating the spindle 8.
Patent GB-1009178-A (GB)
Title: Improvements in and relating to heat exchangers
Inventor: MADDOCKS HERBERT FERNYHOUGH
IPC: F28F3/08
Filed: 1962-07-19
Abstract: 1,009,178. Making heat exchangers. H. F. MADDOCKS. July 17, 1963 [July 19, 1962], No. 27690/62. Heading B3A. [Also in Division F4] A hollow heat exchanger element is made by electrodepositing metal on a mandrel made of a low melting point metal or alloy, e.g. Wood's alloy, which may be removed by melting in boiling water. Preformed inlets, outlets, baffles and ribs may be inserted into the mandrel and become electrojoined to the casing. The elements may be formed from Cu which may be Ni or Ag plated.
Patent GB-502980-A (GB)
Title: Improvements in colour-light signals
IPC: B61L5/18
Filed: 1937-10-13
Abstract: 502,980. Signal lamps. BOOT, J., and GENERAL RAILWAY SIGNAL CO., Ltd. Oct. 13, 1937, No. 27882. [Classes 75 (ii) and 75 (iv)] A colour light signal giving close-up indications and eliminating phantom lights comprises a lens as shown giving a substantially parallel central beam of light and an outer divergent beam, and a clear cover-glass 8 having inclined walls 2 preferably roughened or fluted. A metal or other opaque tubular member 14 having radial fins 15 may be used in the system. In signals of the multi-unit type the lens is coloured. Specification 144,282, [Class 75 (ii)], is referred to.
Patent GB-355545-A (GB)
Title: Improvements in combined audible and visual indicators
IPC: B61L29/28
Filed: 1930-09-18
Abstract: 355,545. Intermittent signals. SIEMENS & GENERAL ELECTRIC RAILWAY SIGNAL CO., Ltd., Caxton House, Tothill Street, London.-(Parsons, J.; Rosario, Santa Fe, Argentine.) Sept. 18, 1930, No. 27900. [Class 118 (ii).] A combined audible and visual indicator comprises an electric bell, the hammer of which is connected by a pin and slot c, d with a rod e which drives, by means of a pawl g and ratchet wheel h, a con- 'tact j into and out of bridging engagement with two contacts k, m in a lamp circuit, so that the lamp is intermittently lighted while the bell is sounding. The switch or relay controlling the energization o f the bell controls also the lamp circuit so that the lamp goes out when the bell stops, even if the contact j is engaging the contacts k, m.
Patent GB-880554-A (GB)
Title: Improvements relating to upholstered seats
IPC: B60N2/56
Filed: 1959-08-17
Abstract: 880,554. Spring seats. DAIMLER-BENZ A.G. Aug. 17, 1959 [Sept. 5, 1958], No. 28020/59. Class 52(4) The part of a one-piece moulded upholstery padding layer covering a sprung seat which supports the pelvic bones of a seated person is made of less flexible material than the remainder of the layer. This part may have various shapes (Figs. 2 and 5, not shown) and may extend laterally for the full width of the seat (Figs. 3 and 4, not shown). The difference in flexibility is achieved by varying the density of the fibres in a rubberised fibre padding layer. As shown, a greater density of pig bristle is produced in the area 8 of layer 7 which, after the bristles have been dipped in latex, has been pressed in a mould and baked. In a modification, the density of the bristles or fibres vary gradually to produce a zone of transition between the more and less stiff parts of the padding layer. Layer 6 of cocoanut fibre, wadding 4 and upholstery cover 5 are provided. Reference is made to the use of inserted patches of foam, rubber or synthetic sponge.
Patent GB-1402021-A (GB)
Title: Method of modifying some physico-mechanical characteristics  of epsilon polycaprolactam
IPC: C08L67/00
Filed: 1972-06-15
Abstract: 1402021 Low-melting nylon 6 CONSIGLIO NAZIONALE DELLE RICERCHE 15 June 1972 [25 June 1971] 28025/72 Heading C3R Nylon 6 is intimately mixed in the absence of any liquid diluent with 2 to 10 wt. per cent of lithium or calcium chloride, bromide, and iodide to increase the melt viscosity and lower the melting temperature and degree of crystallinity thus permitting processing at lower temperatures. In an example 2% of each of LiCl CaCl 2 , LiBr and (for comparison) KCl are incorporated with nylon 6 of M.P. 232‹ C. to give products of respective melting points 182, 172, 152 and 227‹ C.
Patent GB-300897-A (GB)
Title: Improvements in and relating to trawl or ground nets
IPC: A01K73/02
Filed: 1928-10-01
Abstract: 300,897. Vries, A. de. Nov. 19, 1927, [Convention date]. Nets.-A beam 5 is secured between its ends to the head-line 2 of a trawl net and its upper end is connected by a line 6 to the lower part of the net, preferably to the ground line 1, so as to be drawn backwards and upwards in order to raise the head-line 2. The lower end of the beam 5, in contact with the sea-bottom, may be connected by a rope 7 with the ground line. Several beams may be used and the space between the head-line and a rope 8, 8<a>, joining the otter boards 3, 3<a>, and the upper end of the beam 5 may be filled with netting. The lower end of the beam 5 may be connected by lines to the trawl warps or direct to the vessel.
Patent GB-1394906-A (GB)
Title: Cardiovascular test station pressurometer interface system
IPC: A61B5/022
Filed: 1972-06-15
Abstract: 1394906 Measuring blood pressure electrically SEARLE MEDIDATA INC 15 June 1972 [18 June 1971] 28068/72 Heading A5K [Also in Division G1] A pressurometer measuring a patient's bloodpressure provides a plurality of electrical outputs corresponding to different pressure levels, with an output marked if, during deflation of a blood-inhibiting #uff, Korotkoff sounds have been detected at that level, thereby providing a band of marked outputs whose upper and lower levels are the systolic and diastolic blood pressures. The invention provides an interface unit between the pressurometer and a computer computing actual blood pressures to sequentially sample the outputs and at a transition from an unmarked to a marked output and from a marked to an unmarked ouput, generates a serial address signal for each transition to represent the systolic and diastolic pressures. In Figure 2 the parallel signals from the pressurometer 18 derived during the deflation cycle of the pressurometer are normalised in circuit 40 and connected in groups to a multiplexer 46 under the control of a counter 68 driven by clock signals from a counter 36 the multiplexers 46 and a second multiplexer 58 sample each pressure output signal in turn. Sample and hold circuit 60 holds a previous sample for comparison in exclusive OR gate 62 with the current sample and upon a transition, opens gate 66 to read out a corresponding address signal from address multiplexer 72 supplied with addresses from counter 70 and Which are sent over a data link 34 to the computer console 36. During the exhaust cycle of the cuff, gate 82 passes electrical signals derived from Korotkoff sounds to pulse shaper 82 and the resulting pulses are clocked to the console via gate 64, from which the computer 74 calculates the patient's pulse rate. At the end of a deflation of the cuff an exhaust signal 80 zero's the counters 68 and 70 to begin the sampling cycle described above.
Patent GB-216833-A (GB)
Title: Improvements in the production of combustible gas and in apparatus therefor
IPC: C10J1/00
Filed: 1923-11-07
Abstract: 216,833. Gibson, A. June 1, 1923, [Convention date]. Carburetting.-A combustible gas is produced by drawing air through a volatile fuel, and the product through water. The apparatus comprises a fuel tank 17 and a water tank 27 combined with a gas holder 26. Fuel is supplied to the tank 17 through a float controlled valve 14. Air is drawn through a valve-controlled pipe 19 by a circulating pump 28 through the liquid fuel and thence by the pipe 23 through the water in the tank 27 and is finally stored in the gasometer 32. The latter moves on guides 35 and automatically controls the supply of gas by pressing against a head 43 and thus operating levers 41, 42 which control the pump 28. In a modification suitable for motor vehicles, the fuel and water are contained in separate divisions of one tank.
Patent GB-734762-A (GB)
Title: Improvements relating to the breech-mechanisms of automatic firearms
IPC: F41A3/46
Filed: 1951-11-30
Abstract: 734,762. Automatic firearms. ORTOLANI, M. Nov. 30, 1951, No. 28089/51. Class 92(2). Relates to breech-bolts for automatic firearms of the kind comprising a block 1 and action slide 13, the latter carrying a firing pin 5 passing through a hole 3 in the block. According to the invention a guide 4 is arranged between the block and slide and serves to form a bearing surface for two rollers 10, 10a, these rollers being pushed outwards by the action slide, when the bolt is in the breech-closing position, into engagement with recesses 11 formed in the breech-casing 9. By this means the bolt is locked against longitudinal movement at the moment of firing. In the construction shown the rollers are engaged by inclined surfaces 12 on the front face of the slide, and when moved apart engage in pockets 14 in the slide and recesses in the block 1. The guide 4 is movably mounted within a groove 1a in the block and forms an abutment for the firing pin spring 5a. The ends of the guide are slidably accommodated in the breech casing as also are projections 18 on the action slide. Pins 8, 8a on the block and slots 7, 7a, in plates 6 attached to the slide limit the relative movement between the block and slide.
Patent GB-990029-A (GB)
Title: Improved system for controlling a group of dynamo electric machines
Inventor: JOTTEN ROBERT
IPC: H02P29/00
Filed: 1961-08-02
Abstract: 990, 029. Automatic speed-control systems. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. Aug. 2, 1961, No. 28098/61. Drawings to Specification. Heading G3R. [Also in Division H2] A system wherein a plurality of electric motors each driving the several units of a rotary printing machine may be controlled independently of one another or interdependently so that the torque transmitted through the couplings between the units is minimised, has each unit provided with bridge circuit means whereby the armature voltage of the driving motor may be compared with a reference voltage so as to control the motor speed at any desired value independently of the speed of the motor of any other unit, the bridge circuit of each unit being further provided with means dependent of the armature current of the respective driving motor whereby the load on each motor is apportioned to reduce the torque transmitted through the couplings between the units, each coupling having switching means associated therewith so that when the couplings are energized the switching means are operative to remove the independent control of all the units except the leading unit and to render all the units controllagle in accordance with the leading unit.
Patent GB-616905-A (GB)
Title: Improvements in or relating to bridging connections between relatively movable parts of electric apparatus, particularly induction apparatus
IPC: H05B6/02
Filed: 1946-09-19
Abstract: 616,905. Induction heating. BUDD CO. Sept. 19, 1946. No. 28117. Convention date, Sept. 25, 1945. [Class 39 (iii)] [Also in Group XXXVI] A workpiece 6 is internally heat treated by an induction coil 100 secured to an arbor 24, which is mounted on a frame 19 sliding on members 15 and 16. Arbor 24 is rotated by a motor 26 and belt 27, and reciprocated by fluid operated motors 33 and 34. The arbor is constituted by tubular coaxial pairs of conductors 30 and 31, Fig. 5, mutually insulated by a tube 32, radially spaced and having coolant paths. Connection of the electrical supply from the insulated stationary bus bars 40 and 41 to conductors 31 and 30 respectively, is effected by two similar mutually insulated plates 65 and 66, shaped as in Fig. 6, embracing the arbor and insulated therefrom, secured to the frame 19. Each plate carries two sets of brush units 76 and 83, Fig. 4, the former arranged circularly around electrical contact tubes 73, the latter secured in staggered formation to fingers 64, and making contact with the bus bars. Rotary contact is thus effected between the inner rotatable conductors 30 and 31, and plates 65 and 66, and a sliding contact with the bus bars 41 and 40.
Patent GB-1467314-A (GB)
Title: Gas laser
IPC: H01S3/0973
Filed: 1974-06-25
Abstract: 1467314 Lasers COMPAGNIE GENERALE D'ELECTRICITE 25 June 1974 [26 June 1973 21 Sept 1973] 28206/74 Heading H1C In a gas laser, Fig. 1 (prior art), in which a parabolically-ended excitation line consisting of first and second metallic plates 2, 3 separated by an insulating plate 1 has the lasing gas, such as air, contained in an angled slot 6 separating the first plate into two parts 7, 8, and in which the gas is confined by an insulating strip 9 and progressively excited by an electrical discharge triggered between the metallic plates at the parabolic focus F by a source 7, at least the part 8 of the first plate is associated with a corrugated sheet formed by an insulating layer 12, Fig. 2, located between two metallic layers 13, 14 and arranged with its corrugations extending along the length of the line. The spaces between the sheet corrugations are filled with an insulating material 15, and the metallic layer 13 is in electrical contact with part 8 (referenced 16 in Fig. 2) of the first metallic plate. Fig. 3 shows in a lengthwise section of the line how the insulating layer 12 of the sheet is folded over an end of layer 14 to isolate it from the slot 6, and the extension 19 of layer 12 beyond the end of the line. In a similar section, Fig. 6, both parts 7, 16 of the first plate are associated with a respective corrugated sheet, this Figure showing how layer 14 is maintained at zero potential by electrical contact with plate 3.
Patent GB-1146849-A (GB)
Title: Gallium catalysts in the production of polyesters
IPC: C08G63/84
Filed: 1966-06-23
Abstract: 1,146,849. Linear polyesters. MONSANTO CO. 23 June, 1966 [7 July, 1965], No. 28210/66. Heading C3R. In the manufacture of polyesters by reacting a free dicarboxylic acid with a glycol of formula HO(CH 2 ) n OH where n is 2-10, there is used as a catalyst gallium or a gallium-containing compound. Specified gallium compounds are the formate, basic acetate and oxalate; the sulphate, phosphate, trichloride and trifluoride; the phosphide, nitride and antimonide; the oxide and glycoloxide; also triethyl gallate, triphenyl gallate, triethyl gallium, triphenyl gallium and ethyl diphenyl gallium; also sodium gallate. Many aliphatic and aromatic dicarboxylic acids are specified. Examples describe the manufacture of polyethylene terephthalate.
Patent GB-1005795-A (GB)
Title: Blast furnace operation
IPC: C21B5/00
Filed: 1963-07-17
Abstract: <PICT:1005795/C6-C7/1> Finely divided solid fuel for a shaft furnace is suspended in oil and placed in a vessel which is then pressurized to blow the suspension into the furnace.  As shown in Fig. 1, finely divided coal is allowed to fall through a fine spray of preheated oil into the mixer, from which it flows intermittently to an intermediate vessel while the latter is vented to atmosphere.  Valve 1 is then closed, and the intermediate vessel pressurized to force the suspension into the injection vessel which is itself maintained at a pressure proportional to, and higher than, the pressure in the blast main.
Patent GB-1533003-A (GB)
Title: Electrodynamic transducers
IPC: H04R1/16
Filed: 1976-07-07
Abstract: 1533003 Stereophonic pick-ups SONY CORP 7 July 1976 28282/76 Heading H4J A stereo pick-up has an annular air gap 13a between an aperture 13 in a pole piece 12a and a rod-shaped pole piece 12c, constant flux being provided by magnet 10 and yoke 12b, the coils of the system being mounted on a support 18 in diametrically opposed pairs, the support being held against the end of pole piece 12c by a tension wire 21 with a resilient damping pad 19 interposed whereby the support follows the movement of a stylus arm 16. The coils may be wound as shown in Fig. 4 in figure-of-eight fashion about opposed pairs of projections 26, 28 and 25, 27. The coil carrying projections may extend axially instead of radially, and the pole pieces may be tapered to concentrate flux on the forward side of the gap (Figs. 5 and 6 not shown). To concentrate flux the aperture 13 may have a stepped profile offset from a step on the pole piece 12c (Figs. 7 and 11 not shown). A copper disc may be placed on the forward face of support 18 to prevent flux leakage (Figs. 11 and 12, not shown). Instead of figure-ofeight windings the opposed coils may be wound as shown in Fig. 10, interconnection between the coils of each pair being reduced to a single wire traversing the support.