baber/WOPTO huggingface dataset:
Patent GB-589349-A (GB)
Title: Control valve for hydraulic systems
IPC: F16K17/168
Filed: 1944-10-12
Abstract: 589,349. Multiple - way valves. STEPHENS, W. T. Oct. 12, 1944, No. 19697. [Class 135] A control valve for a hydraulic hoist &c., comprises a housing having a valve bore 24, a high pressure inlet passage 41, low pressure passages 43, 17, 16, said passages intersecting the bore, a pair of motor ports 32, 34, a valve plunger 26 slidable in the bore by the operating eye 30 in each direction, against the spring 54, from a neutral position and having a reduced diameter portion 451 of a length to connect the passages 41 and 43 when the plunger is in the neutral position, said plunger having two spaced longitudinal bores 47, 67, each connecting a pair of port sets 66, 62, and 491, 72 spaced apart a distance substantially equal to the distance between the high pressure passage 41 and each motor port, a check valve 48, 63, in each bore for controlling one of the port sets, the latter port sets being out of register with the motor ports and the low pressure passages 16, 17 when the plunger is in its neutral position but arranged to communicate with the motor ports for raising or the low pressure passages for lowering the hoist &c., by movement of the plunger from its neutral position, one of the other port sets, 66, registering with the low pressure passage 43 in the neutral position and being located at the junction of the main and reduced diameters of the valve plunger. The double acting plunger 26 may be replaced by or, as shown, work in conjunction with a single acting plunger 27, the inner ends of both plungers being identical. The maximum overlap of the ports 72, which are helically arranged, with the ports 32 and, therefore, the maximum rate of lowering of the hoist, may be adjusted by a screw stop, 75. In a modification an auxiliary lowering port of smaller cross-sectional area than either of the port sets 72, 49' may be formed in the plunger between the said port sets to give a predetermined limited rate of lowering of the hoist. Specification 576,309 is referred to.
Patent GB-448365-A (GB)
Title: Improvements in or relating to rotary printing presses
IPC: B41F13/14
Filed: 1935-07-10
Abstract: 448,365. Securing gear-wheels on shafts. GOSS PRINTING PRESS CO., 1535, South Paulina Street, Chicago, U.S.A.- (Assignees of Harless, C. A. ; Oak Park, and Crafts, C. S. ; 645, North Austin Avenue, Oak Park, Illinois, U.S.A.) July 10, 1935, No. 19732. Convention date, Sept. 13, 1934. [Class 80 (ii)] [See also Group XVI and XXXIV] The cylinder shaft 10 of a rotary printing- press is driven from a gear 101, which is provided with an elongated hub 102 adapted to be engaged by longitudinal feather keys 103, 104. The inner and outer ends of the hub are coned as at 105, 106 and are engaged by corresponding surfaces on rings 109, 111, the latter of which is movable longitudinally to clamp the gear to the shaft by means of a bolt 121.
Patent GB-499032-A (GB)
Title: Improvements in or relating to electric discharge apparatus
IPC: H01J5/32
Filed: 1937-07-16
Abstract: 499,032. Discharge apparatus. SOC. ANON. POUR LES APPLICATIONS DE L'ELECTRICITE ET DES GAZ RARES, ETABLISSEMENTS CLAUDE-PAZ & SILVA. July 16, 1937, No. 19791. Convention date, June 1. [Class 39 (i)] [Also in Group XI] The leading-in conductor for the fusible cathode 1 of an electric discharge device, in which the cathode consists of a material, e.g. alkali metal which attacks glass, comprises a hollow glass member 6, which is sealed to the device at a point near the cathode, is also sealed at its ends to a lead 7 and to a conductor 8 and is filled with a medium for preventing the infiltration of vapour when the seal cracks; the conductor 8 is covered with glass. The member may be filled with glass powder or with the gas which is used for a supplementary filling in the device, but at a slightly higher pressure. The cathode vessel 2 is arranged within an oil or mercury bath 13 provided with cooling fins 12 and the device is provided with a condensation chamber 2, and a thermally lagged chamber 4 fitted with an anode screen 5. A metal or graphite contact is provided on the conductor 8. Specification 379,271 is referred to.
Patent GB-1462325-A (GB)
Title: Vibratory feed apparatus
IPC: B65G27/08
Filed: 1975-05-12
Abstract: 1462325 Tuning vibratory feed apparatus FMC CORP 12 May 1975 [17 Oct 1974] 19830/75 Heading B8A Vibratory feed apparatus comprises vibratory feed means 15, sets of leaf springs 32 supporting the feed means 15 from a base 10 and a curved cantilever spring 46 clamped with the springs 32 by a cap screw 38 and clamp plate 36. The natural frequency of the apparatus can be adjusted by a screw 48, with locknut 50, which acts on the spring 46 to alter the effective length of the springs 32, while the set remains in an operative condition supporting the feed means 15. During operation of the apparatus the leaf springs 34 deflect without contacting an adjacent leaf spring 34.
Patent GB-446869-A (GB)
Title: A new or improved packing ring for stuffing boxes
IPC: F16J15/28
Filed: 1935-07-11
Abstract: 446,869. Stuffing - box packing. NAAMLOOZE VENNOOTSCHAP MACHINERIEEN - EN APPARATEN FABRIEKEN MEAF, 30, Croeselaan, Utrecht, Holland. July 11, 1935, No. 19875. Convention date, Aug. 31, 1934. [Class 122 (v)] Rubber &c. elastic rings e are housed in soft metal, e.g. lead rings d of L-section. The limbs of the L-ring may be separately formed and apertures g may be provided for passage of lubricant from a space f to the shaft.
Patent GB-303187-A (GB)
Title: Improved manufacture of beverages comprising a mixture of milk and cocoa or a cocoa preparation
IPC: A23G1/56
Filed: 1927-07-27
Abstract: 303,187. North, C.E. July 27, 1927. Cocoa preparations.-A cocoa-milk beverage ready for consumption is prepared by adding a gelatinous thickener to these materials and subjecting the mixture to a temperature and pressure treatment, the increased viscosity produced by the heat and pressure treatment and by the added thickener being so related as to hold the cocoa particles in suspension. The thickeners employed include gelatine, agar, vegetable gums such as tragacanth, gum arabic, Irish moss, and starch. In one example, the acidity of the milk being between 0.1 and 0.18, 0.25 per cent gelatinous thickener is added and the mixture is heated by steam under pressure in a closed kettle to a temperature of 240‹ F. for 30 minutes. In addition to the thickening, the process effects sterilization of the mixture.
Patent GB-358058-A (GB)
Title: Improvements in stop watches
IPC: G04F7/04
Filed: 1930-07-02
Abstract: 358,058. Watches. SOC. ANON. DE LA FABRIQUE D'HORLOGERIE LE COULTRE ET CIE, Sentier, Vaud, Switzerland. July 2, 1930, No. 20134. Convention date, Sept. 6, 1929. [Class 139.] Stop - mechanism; dials. - A stop watch comprises three sets of time-indicating elements which may be driven from a common movement; the first set comprises minute and hour hands 2. 3 permanently driven from the movement; the second set consists of centre-seconds hand 5 and minute hand 6 which are connected to the common movement, disconnected therefrom and zeroized under the control of knob 7 ; the third set has minute and hour hands 8, 9 similarly controlled by button 7<1> but entirely independent of the second set. As hands 8, 9 move slowly, their rest or movement is indicated by a disc, half coloured and half white, showing at an aperture 10.
Patent GB-1313486-A (GB)
Title: Oesophagus probe
Inventor: KRESSE H
IPC: A61B5/0205
Filed: 1971-04-19
Abstract: 1313486 Electromedical apparatus SIEMENS AG 9 April 1971 [24 Jan 1970] 20178/71 Heading A5R [Also in Division G1 A number of different physiological body parameters, e.g. heart beats, respiration rate, and body temperature, are measured electrically by a number of detectors mounted on an oesophagus probe. As shown, the probe includes sections of flexible plastics tubing 1 interconnected by e.c.g. electrodes 2, 4, 5 and an insulating member 6 carrying a thermistor 7, a temperature dependent semiconductor 3 being mounted on electrode 2. When the probe is introduced into the nose of a patient, the electrodes 2, 4, 5 lie in the oesophagus and the thermistor 7 in the nose, rings 8 preventing contact with the mucous membrane. In alternatives, the respiration rate may be determined by rheography electrodes or a pressure device arranged to be placed in the oesophagus. Further e.c.g. electrodes may be provided in order to enable selection of the most favourably positioned, and the inactive electrode may be omitted, there being provided an external electrode, e.g. a metal plate, connected to reference potential, on which the patient is supported. The various detectors are provided with conductors 9 which extend through the tubing 1, the conductors 9 being connected to a processing or indicating device, via a connector 10, cable 11 and plug 12.
Patent GB-597011-A (GB)
Title: Grommet
IPC: F16L5/00
Filed: 1945-08-08
Abstract: 597,011. Bolt-hole bushes. DEHN, F. B. (Victory Manufacturing Co.). Aug. 8, 1945, No. 20347. [Class 89 (i)] [Also in Groups XXVIII and XXXIII] A bush for holes in metal plates, for example, those forming parts of aircraft bodies, to pass electric conduits or conductors or other control members, is made from synthetic resin in two parts, of which one expands the other to lock the parts in place in the hole. The bush is stated to have the effect of a rivet in holding plates together. The inner member 5, Fig. 2, has a series of tongues 7 extending upwards from its lower end and the ends of these tongues are expanded to engage beneath the plates by an outer member having a, shoulder 12, and a tapering end that passes between the tongues and the tubular part 5. The two members are a frictional fit, one on the other. In a modification, an outer member, comprising a ring 16, with depending tongues 17, having enlargements 18 notched to engage the plates is expanded by an inner member 21, in the form of a plain tube.
Patent GB-1193183-A (GB)
Title: Demountable Storage Structures
Inventor: THORN PHILIP STEWART
IPC: B65D88/52
Filed: 1967-05-02
Abstract: 1,193,183. Silos. BRITISH SISALKRAFT Ltd. 2 May, 1968 (2 .May, 1967], No. 20385/67. Heading E1T. A silo is constructed from a rigid mesh outer wall 15 which is lined with a layer of strong flexible material and a flexible, moisture-proof open-mouthed bag, the latter having a base resting on the ground, sides resting against the layer and an upper edge sealed by a clamp, see Figs. 2 and 3 (not shown). The upper mash wall may be covered by a split, resilient tube 20 and the silo surmounted by a roof structure 42, 45 which has an eye bolt 47 to support the internal bag and is covered by a plastics sheet 48, 49.
Patent GB-1189162-A (GB)
Title: A Process and Apparatus for Dissolving a Solid in a Liquid Solvent therefor
IPC: B01F1/00
Filed: 1967-05-03
Abstract: 1,189,162. Dissolving apparatus. INSTYTUT WLOKIEN SZTUCZNYCH I SYNTETYCZNYCH. 3 May, 1967 [3 May, 1966], No. 20433/67. Heading B1C. Apparatus for dissolving a solid in a liquid, e.g. for dissolving cellulose xanthate in water or sodium hydroxide solution comprises a plunger 3 reciprocating with clearance in a cylindrical or conical container 4, and a pump 2 for circulating the material. A batch may be recirculated, as shown, through a tank 1, or the mixer (3, 4) may continuously discharge the solution, Two mixers may then be in series with a further pump between them (Fig. 2, not shown). Either the plunger or the container or both may be conical or cylindrical, or may have corrugated surfaces (Fig. 5, not shown). The plunger and container may have interleaved cylindrical skirts (Fig. 8, not shown).
Patent GB-802977-A (GB)
Title: Automatic ignition device for gas heated cooking apparatus
Inventor: ALEWELD HEINZ
IPC: F24C3/10
Filed: 1955-11-22
Abstract: 802,977. Lighting burners. METALLWERKE GEB. SEPPELFRICKE G.m.b.H. Nov. 22, 1955, No. 20456/57. Divided out of 802,976. Class 75(3) Ignition means for a gas stove having at least one cooking burner 1 comprises an ignition jet head 8 disposed at a distance from the burner or burners 1 and fed from an auxiliary gas conduit 7 including an auxiliary valve 6 having a briefly opened spring-actuated valve plunger 6a, this latter having an operative connection between the linkage operated by a tap actuated drawbar 23 and comprising e.g. a bell crank lever 22, rod 21 and lever 10, 12 pivoted at 11 and spring 13, to move the core of a magneto device M for the production of a spark across a gap 9 of the ignition head 8 included in the secondary winding circuit of the magneto device the spark being coincidental with the temporary opening of the auxiliary valve 6. As shown the plunger 6a is moved inwards to open the valve 6 against the action of a biasing spring by means of a lever 10a which has a lateral projection 10b lying in the path of movement of a lateral knob 10c of the lever 10, 12 so that on operation of the lever 10 to move the core of the magneto M the lever 10a is tripped briefly open to allow a quantity of gas to flow through the valve 6 to the ignition head 8 where it is ignited by the spark. The taps 4 may be coupled to the draw bar 23 by the mechanism as described and claimed in Specification 802,976. As the drawbar approaches its end position the magneto core opens switch contacts in the primary winding circuit of the magneto to produce the high voltage spark in the secondary winding circuit.
Patent GB-130258-A (GB)
Title: Improvements in Multi-speed Headstocks.
Inventor: MACNAB JOSEPH
IPC: B23Q5/14
Filed: 1918-12-11
Abstract: 130,258. Macnab, J., and Smith, G. H. Dec. 11, 1918. Turning.-A multi-speed headstock has the countershaft t driven through continuously meshing pairs of gears n, q; o, r; p, s from the main shaft, the gears q and r being controlled by spring friction clutches operated by a sliding red a: with double inclines y, while the gear s which gives the lowest speed is mounted on a ratchet device u, this drive becoming operative automatically when the others are inoperative. The spindle 5 is adapted to be driven from the countershaft through a double sliding pinion 2 and pinions 3 or 4. The change of speed may be effected automatically or by hand from a lever v, and the main driving pulley a may be declutched by hand or automatically through a collar e and cranks from a sliding rod h or handle m.
Patent GB-1254380-A (GB)
Title: Improvements in valve units
Inventor: LANDA TORSTEIN
IPC: B30B11/00
Filed: 1969-04-23
Abstract: 1,254,380. Regulating fluid-flow. ALLM€NNA SVENSKA ELEKTRISKA A. B. April 23, 1969 [April 24, 1968], No.20650/69. Heading G3H. A pressure reducing device comprises one or more valves 14, 15 each connected to a highpressure source 33 at 24, and exhausting through a throttle 28, the valves being opened and closed at a programmed frequency which produces a predetermined role of pressure reduction. The valves are operated by the application of pressure pulses to inlets 23 by valve means (not shown) controlled by a cam disc, or punched card or strip.
Patent GB-224942-A (GB)
Title: Improvements in stockless anchors
IPC: B63B21/44
Filed: 1923-08-15
Abstract: 224,942. Hingley & Sons, Ltd., N., and Fletcher, J. E. Aug. 15, 1923. Anchors.-In order to avoid the differential contractions which are set up in the large masses of the anchor head during solidification from the molten state, the head is cast with relatively large cavities so that the thicknesses of the various parts of the head are substantially uniform. The cavities 5 extend laterally inwards from the ends of the head and the desired full weight of the head is obtained by inserting weighting blocks 6 into the cavities. The blocks are secured in position by rivets 7 and their inner ends abut against the trunnion pin about which the shank 3 pivots. In a modification, the weighting blocks 6. Fig. 5, are split and embrace the trunnion pin 2 which extends from side to side of the head. Cavities 5 are left between the head and weighting block to provide a means for elastically taking up the pull on the shank.
Patent GB-270540-A (GB)
Title: Improvements in and relating to thermally operated switches or circuit-breakers for protecting electric circuits
IPC: H01H71/20
Filed: 1926-08-23
Abstract: 270,540. Calor Elektrizitõts-Akt.- Ges., and Dreyer, O. Aug. 23, 1926. Automatic circuit-breakers. - A switch shaft 7 carrying a contact member 10 is rotated into the closed position against the action of a spring 16 by a handle 15 and is there locked by a device 17; upon overload a heating coil 26 causes the release of a member 24 normally held fast within the coil by fusible metal, and the member 24 is driven by a spring 22 to cause the release of the locking device 17 and is then automatically returned to its original position by an action depending on the opening movement of the switch. In the form shown, the spring 22 is stressed by a cam 23 on the shaft 7, and when the fusible metal melts forces the member 24 upwards against the action of a weaker spring 27, a rod 21 connected to the member 24 simultaneously moving upwards a member 19 and tripping the latch 17. The shaft 7 then revolves under the influence of the spring 16 and the cam 23 being removed from the spring 22, the spring 27 is able to return the member 24 to its original position, where it is resoldered. In a modification, the member 24 is acted upon by coil springs above and below it, the lower stronger spring being put out of effective action when the switch opens. In other modifications, one spring only normally acts on the member 24. and the return movement is in this case effected by a cam or arm on the shaft 7, which under the influence of the spring 16 drives the member back.
Patent GB-668805-A (GB)
Title: Improvements in vibratory aircraft alarms of the rotary eccentric weight type
IPC: B64C13/42
Filed: 1950-08-22
Abstract: 668,805. Indicators for aircraft. GREENE, L. M. Aug. 22. 1950 [Oct. 21, 1949], No. 20779/50. Class 4. An aircraft signalling device adapted to impart a shaking effect to an object, such as a control column, comprises a member having an opening wherein said object is disposed, means for securing the member to the object, and a weight mounted on the member eccentrically of the central axis of the opening for rotation relative to the member about the axis to produce the shaking effect. In the embodiment shown a gear ring 34 is rotatably mounted on a sleeve 18 attached to a control column 12 and carries an eccentrically mounted weight 36. The weight is rotated by means of a pinion 48 on the shaft of an electric motor 52. An outer cover 42 encloses the rotating members. It is so arranged that at a time of danger e.g. when an aircraft nears a stalling altitude, a switch 66 is closed to complete an electric circuit and energise the motor 52, the resultant shaking giving warning to the pilot. U.S.A. Specification 2,478,967 is referred to.
Patent GB-654542-A (GB)
Title: Improvements relating to breach bolt operating means for firearms
IPC: F41A3/12
Filed: 1948-08-06
Abstract: 654,542. Smallarms. MARLIN FIREARMS CO. Aug. 6, 1948, No. 20797. Convention date, Aug. 6, 1947. [Class 119] The reciprocating breech-bolt of a firearm has a longitudinal socket adapted to receive a resilient element associated with a cocking handle, the arrangement being such that the resilient element bears against the handle to hold abutment means on the handle in juxtaposition to abutment means on the breech-bolt. In the construction shown in Figs. 5 and 9 the handle 62 consists of a U-section rear part 65, and a front part 63 terminating in a finger grip 64. The two parts meet at a shoulder 66 which, when the handle is in position in a groove 68 of the breechbolt, abuts against a corresponding shoulder 70 in the groove. The handle is secured in place by a resilient pin 72 which fits into a hole 73 in the breechbolt 35, 36, and presses resiliently against an upwardly extending portion 67 in the groove of the part 65. The breech-bolt is fitted with an extractor held in place by a circular split band 57, with a firing pin 50, and spring-controlled striker member 40, and moves under the action of a spring 39. In the modification shown in Fig. 12 the flexible handle 75 has a rear end portion 79 which snugly fits in an aperture 84 in the breech-bolt and, near the finger grip 81 has a pin 80 which engages in a hole 83 of the breech-bolt.
Patent GB-197590-A (GB)
Title: Improvements relating to electric switches
IPC: H01H19/10
Filed: 1922-07-29
Abstract: 197,590. Lucas, O. July 29, 1922. Switches; bases.-A switch, applicable to motor vehicle installations, comprises a rotatable metal block carrying plungers co - operating with fixed contacts on the base, and actuated by a handle which serves also to secure the cover. As shown, the block d is rotatably mounted on the supporting terminal pillar c and secured against endwise detachment by a wire fastening f engaging a groove e in the pillar. The upper end of the block is formed with a neck which is notched to receive key pieces k on the insulating handle j, and bored to receive the handle securing bolt l into which a screw n is passed. The cover p is secured by means of a spring m pressing on the lower end of the bolt l, and a collar o, sprung on the screw n, prevents detachment of the screw from the handle when disengaged from the bolt.
Patent GB-1424706-A (GB)
Title: Menas for measuring delay nagle in a static electrical converter
IPC: H02M7/155
Filed: 1973-05-02
Abstract: 1424706 Controlling converters ALLMANNA SVENSKA ELEKTRISKA AB 2 May 1973 [3 May 1972] 20832/73 Heading H2F In a converter of the type in which the rectifiers are controlled by an oscillator which delivers control pulses to the individual rectifiers, a circuit for measuring the delay angle of rectifiers comprises for each phase, a ramp generator C1, A1 for generating a voltage ramp synchronised by the passages through zero of the commutation voltages of the converter and including a switching device S1 arranged to connect the instantaneous value of the ramp to a storage device such as capacitor C4, at the time of firing of the respective rectifier. The voltage across C4 is thus a function of the delay angle of the respective rectifier. Further integrators 12, 13 are included with respective switching devices S2, S3 to feed the instantaneous value of the respective ramps to C4 at the times of firing the rectifiers of the other phases. As described, the voltage U ref  may be constant or may be proportional to the frequency of the A.C. network and is integrated by A1, C1 whenever transistor T1 is non-conductive. T1 is turned on by a monostable device M1 when the appropriate commutation voltage U tr  passes through zero. The switching devices S1-S3 are closed by signals from monostable flip-flops M4-M6 at the time of the firing pulses for rectifiers g 1 -g 6  of the respective phases. Switching device S4 is closed for a short period at the time of the firing pulse for any of the rectifiers g 1 -g 6  so as to store the instantaneous value of the appropriate ramp. The stored voltage Uα may be used to control a tap changing transformer arranged so as to keep the delay angle as close to 0‹ or 180‹ as possible so as to limit reactive power in the converter in rectifying or inverting operation respectively. Fig. 1 (not shown) relates to four three phase bridges having their D.C. sides connected in series with a measuring transductor 17. As shown in Fig. 4, the output of tranaducter 17 is compared with a desired value signal from potentiometer 21 so as to produce a control voltage which is fed to a control pulse generator 8 for one converter and via leads 14-16 to control pulse generators for the other converters. Each converter has a respective delay angle measuring device of the form shown in Fig. 2 and the outputs of which devices are averaged by means of an amplifier A5 and compared with the delay angle signal for the first converter, the resultant being fed via a summing junction 20 to adjust the delay angle of the first converter to that of the average for the other three converters.