baber/WOPTO huggingface dataset:
Patent GB-690244-A (GB)
Title: Beer and like taps
IPC: B67D1/14
Filed: 1950-11-23
Abstract: 690,244. Valves. GASKELL & CHAMBERS, Ltd., and WEIGHTMAN, J. S. Oct. 9, 1951 [Nov. 23, 1950], No. 28634/50. Class 135. A beer &c. tap of the kind comprising a spigot part a for insertion into a bung hole of a barrel &c. and having a spring-loaded valve member g, and a separable nozzle part j with means for actuating the valve member is characterized in that the valve member is of hollow, cylindrical form open at its inner end and having a closed outer end coacting with an annular seat d screwed into the spigot part and has at least one lateral opening i adjacent its closed end. The valve member is opened, against its spring f, by a stem consisting of two parts n, o adjustably screwed together and locked by a grubscrew s. Movement of the stem is limited by engagement of a collar r and the end of the part o of the stem with shoulders p, q. The actuation may be effected either by a screw-thread on the part o of the stem, as shown, or by a hand-lever of bell-crank form pivoted on the nozzle part and engaging the stem. When the nozzle part is removed by unscrewing a union nut m a cap may be screwed over the end of the spigot part to prevent access to the valve member and to serve as a striking head for driving the part into a bung hole. In a modification, the spigot part, instead of being tapered, as shown, has external threads for screwing into a bung hole.
Patent GB-709632-A (GB)
Title: Improvements relating to the heat-treatment of metals and alloys
Inventor: BUCKNALL ERIC HERBERT
IPC: C22F1/00
Filed: 1950-11-23
Abstract: In a process for heat treating a metal or alloy, the metal or alloy is embedded in borings or turnings containing 0.02-0.5 per cent. Mg as an alloying element.  The process is particularly applicable to the heat treatment of Ni or Ni-rich alloys.  In the case of a steel containing 8.5 per cent. Ni the heat treatment was for 1 hr. at 840 DEG C. and in the case of certain nickel alloys 16 hrs. at 1,000 DEG C.
Patent GB-444269-A (GB)
Title: Improvements in and relating to means for protecting the motor generator sets employed in winding equipments and the like against over-speeding
IPC: B66B1/12
Filed: 1934-10-08
Abstract: 444,269. Control of motors. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London, and GIVEN, R. D., 32, Russell Terrace, Leamington. Oct. 8, 1934, No. 28784. [Class 38 (iii)] Safety arrangements.- In a system in which a winding motor is supplied through a motor generator, the latter is protected from overspeeding in the event of the supply failing during regenerative conditions, by means of a relay R included in a circuit supplied from an alternator A driven with the motor generator, the circuit being resonant at a predetermined frequency of the alternator, and the relay operating at a definite point in the resonance zone to disconnect the winding motor from the motor generator or apply the mechanical brakes. The alternator circuit includes a condenser C and a reactance Z, both of which may be adjustable. The alternator may be of the magneto type, and the reactance Z and the coil of the relay R may be combined.
Patent GB-927162-A (GB)
Title: Dielectric ceramic compositions and articles
IPC: H01G4/12
Filed: 1959-08-24
Abstract: A dielectric ceramic composition consists of lead, zirconium, titanium, oxygen and at least one of strontium and calcium combined in solid solution as zerionates and titanates according to the formula:-  PbaSrbCac(ZrxTiy)O3  where a = 0,60 to 0,749  b + c = 0,40 to 0,251  x = 0,45 to 0,75  a + b + c = x + y = 1,00. The composition may also include 0,01 to 0,04 molar fractions of at least one of the rare earth metals such as lanthanum and also 0,01 to 0,04 molar fractions of at least one of tantalum and niobium.  The composition is prepared by mixing together either wet or dry, PbO2, ZrO2, TiO2 and the oxides or carbonates of Sr and/or Ca.  After drying the milled mixture the rare earth and Nb and Ta are added as oxides, mixed and then calcined at 850 DEG C.  After crushing to a particle size of 1 to 2 microns the mixture is shaped and fired at 1350 DEG C-1430 DEG C.  An organic binder may be added to the powder prior to shaping.  The Specification includes many examples of preferred compositions.  Specifications 818,710, 843,919 and 843,920 are referred to.
Patent GB-1024093-A (GB)
Title: Energency power supply
IPC: H02J9/02
Filed: 1964-07-13
Abstract: 1,024,093. Lamp failure alarms. MAINTENANCE CO. Inc. July 13, 1964 [Oct. 28, 1963], No. 28842/64. Heading G4N. [Also in Divisions G1 and H2] An emergency lighting system for say a lift cage is responsive to both loss of power and loss of illumination. A battery 18 is normally trickle charged through a rectifier and a resistor 22 which also charges a capacitor 32. Loss of power through a transformer T reverses the charge polarity on the capacitor 32 firing a thyristor 26 thus supplying a lamp 24 through the low impedance of the half winding 14. Restoration of power charges the capacitor 32 to its original polarity hence the thyristor is extinguished at the first negative half-cycle. Elements 36, 38, 40 protect the thyristor 26 against transients. The transformer T is fed through a diode bridge which is normally shunted by a thyristor 50 across its D.C. diagonal when a cadmium sulphide cell 56 receives illumination from the prime source but which is open circuited otherwise. The system is enclosed in a translucent housing suitable for mounting in the roof of the lift cage.
Patent GB-603826-A (GB)
Title: Improvements relating to drinking fountains
IPC: E03B9/20
Filed: 1945-10-31
Abstract: 603,826. Drinking fountains ; valves. ROBERGE, C. Oct. 31, 1945, No. 28851. [Classes 69 (i) and 135] [Also in Group I] A drinking fountain comprises' a body 2 in which is provided an inlet 4 and an outlet 6, the inlet 4 leading into a chamber 8 by way of a waterway 16 and a discharge port 18. The chamber 8 is closed at opposite ends by caps 10 and 12. A valve 66 is held in a yoke which is attached to a flexible membrane 42 and a spring 72. The valve is normally kept closed by a manually-retractable spring 56. On the spring 56 being withdrawn, the yoke opens the valve, the position taken by the valve being determined by the water pressure in the chamber 8 and the tension of the spring 72. The water passes up the waterway 36 and through the bubbler 32, surplus water escaping by the outlet 6.
Patent GB-364564-A (GB)
Title: Improvements in or relating to microphones and apparatus for use therewith
IPC: H04R1/34
Filed: 1930-09-26
Abstract: 364,564. Locating sounds. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, and ROUND, H. J., Westfield, Muswell Hill, both in London. Sept. 26, 1930, No. 28911. [Classes 13 and 118 (ii).] A directional sound receiving arrangement com prises a horn or like structure 3, 4, preferably as described in Specification 352,464, [Group XXXIX], mounted at one end of a member BS lined with soundabsorbing material F such as felt. A microphone 1, or the ear, is located at the high pressure end of the horn 3, which may be designed to cut off the frequencies for which a directional effect is not obtained.
Patent GB-352328-A (GB)
Title: Improvements in or relating to means for retaining and oiling wheels or drums journalled on non-rotating shafts
IPC: F16N21/02
Filed: 1930-09-26
Abstract: 352,328. Lubricating guide-rollers. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Pettit, W. H. ; 1501, Nott Street, Schenectady, New York, U.S.A.) Sept. 26, 1930, No. 28919. Convention date, Sept. 27, 1929. [Class 12 (ii).] A guide roller 3 journalled on a stationary stud 8 is retained in position by means of a collar 12 provided with an oil duct 13 registering with a duct 11 in the stud, the collar being secured to the stud by means of a member 16 rotatably mounted in a transverse bore 15 in the collar and formed with flats 17, 18, a screw 19 being threaded longitudinally into the collar so as to engage the flat 17 and cause the edge of the flat 18 to grip a flat 20 on the stud. The duct 13 and bore 15 are located on opposite sides of the collar. The invention is described as applied to apparatus for reproducing sound from a film record, in which the film 2 passes over rollers 3, 5, 6 and a drum 4, a photo-electric cell being supported within the drum 4 to receive a light beam from a projector 7 focused on the film. The studs 8 of the rollers 5, 6 are mounted on movable arms 9, 10.
Patent GB-858151-A (GB)
Title: Improvements in or relating to apparatus for washing dishes and other utensils
Inventor: SCRUBY ARTHUR FOSTER
IPC: A47L15/23
Filed: 1958-09-09
Abstract: 858,151. Dishwashing machines. INSULEX Ltd. Sept. 9, 1959 [Sept. 9, 1958], No. 28939/58. Class 138(1). A dishwashing machine comprises an openwork basket 11 for supporting the dishes above a rotary spraying device for cleaning liquid and comprising spray orifices at the ends 36, 38 of a tube 35 rotatably mounted at its middle, and on the end of a tube 30 rotatable about its other end. Hot water is supplied through a fined pipe and receives detergent from a container 21 before passing through the head 26 to the tube 35 and the spray orifices. The end 36 of the tube 35 has a single inclined spray orifice, whilst the end 38 has a vertical orifice 39 and an inclined orifice 40, the reaction produced by the inclined jets discharged from the orifices 37, 40 causing the tubes 30, 35 to rotate. The quantity of detergent placed in the container 21 may be selected so that it is completely used during a single washing operation whereby a continued flow of water effects rinsing.
Patent GB-1122937-A (GB)
Title: Improvements in or relating to stockfeeds
IPC: A23K10/33
Filed: 1967-06-22
Abstract: Molasses meal having a decreased tendency to compact and form lumps is prepared by inoculating the meal with a non-pathogenic micro-organism which will attack at least some of the gum content. to give non-toxic decomposition products.  The extent of attack may be controlled by storing the meal in bags with restricted air intake, for example polythene bags sealed by sewing.  Suitable micro-organisms include bacteria of the genera Achromobacter and Athrobacter and certain fungi of the genera Penicillium and Aspergillus.  Alternatively suitable micro-organisms may be obtained by exposing the meal to natural microbial attack and isolating therefrom those organisms which attack the gummy constituents.ALSO:Molasses meal having a decreased tendency to compact and form lumps is prepared by inoculating the meal with a non-pathogenic micro-organism which will attack at least some of the gum content to give non-toxic decomposition products.  The extent of attack may be controlled by storing the meal in bags with restricted air intake, for example polythene bags sealed by sewing.  Suitable micro-organisms include bacteria of the genera Achromobacter and Athrobacter and certain fungi of the genera Penicillium and Aspergillus.  Alternatively suitable micro-organisms may be obtained by exposing the meal to natural microbial attack and isolating therefrom those organisms which attack the gummy constituents.
Patent GB-603865-A (GB)
Title: Improvements relating to hydraulic or pneumatic jacks
IPC: F15B15/26
Filed: 1945-11-01
Abstract: 603,865. Hydraulic apparatus. JENNINGS, H. W. K. (Electrol, Inc.). Nov. 1, 1945, No. 29060. [Class 69 (ii)] [Also in Group XXVIII] The piston of a fluid-pressure jack is locked at the limits of its stroke by one or more balls located in recesses in the piston or cylinder, and forced into locking engagement with cooperating recesses in the cylinder or piston by axial movement of an auxiliary element carried by the piston. In Fig. 1, the balls 17 are carried in apertures 11c in a hollow piston 11 working in a cylinder 10. During the travel of the piston down the cylinder, the balls are held wholly within their apertures, and against a step 20a in an end plug 20 of the piston, by a retaining ring 21 subject to a spring 23. When the piston reaches the end-position shown, the retaining ring is thrust back by engagement with a ring 18 secured to the cylinder, and the balls are then projected into locking engagement with a recess in the ring 18 by an auxiliary piston 19 working within the main piston and also subject to the pressure fluid. When fluid is applied at 13a to return the piston, the auxiliary piston is first moved back to release the balls which are thereupon forced back into the piston apertures 11c by a bevelled edge of the recess in ring 18, the retaining ring 21 moving back' over them as the main piston commences its stroke. A second set of balls 17<SP>1</SP> and associated parts are provided at the opposite ends of the piston and cylinder to lock the piston in its other end-position. In Fig. 3, the general arrangement and action is similar, but the balls 35 are carried in apertures in a cup-member 37 secured to the cylinder head, the apertures being tapered to limit inward movement of the balls. The auxiliary piston 41 carried by the main piston 36 has a projecting flange 41b in contact with the cylinder wall, and, in the end-position shown, this flange engages behind the balls to hold them in locking engagement behind a bevelled flange 45 on the main piston. When pressure is applied, the auxiliary piston 41 is first moved back against springs 41d to release the balls and free the main piston. When the main piston returns to the end-position shown, its flange. 45 thrusts past the balls, whilst the flange 41b of the auxiliary piston, after being temporarily held back by the balls, snaps over them to hold them in locking engagement with the main piston.
Patent GB-1195489-A (GB)
Title: Improvements in the production of Glycidyl Esters
IPC: C07D301/28
Filed: 1968-06-19
Abstract: 1,195,489. Glycidyl esters. CELANESE COATINGS CO. 19 June, 1968 [29 June, 1967], No. 29087/68. Heading C2C. [Also in Division C3] Glycidyl esters of polycarboxylic acids which are free from other epoxide-reactive groups, are prepared by reacting the acid and sufficient of an epihalohydrin to provide 2 mols. epihalohydrin per mol. carboxylic group, in the presence of a tertiary amine, a tertiary amine salt or a quaternary ammonium compound as catalyst, at 150-200‹ F. until the acid is substantially completely esterified and dehydrohalogenating the halohydrin ester by slow addition of an alkali metal hydroxide at 90-130‹ F. under a pressure low enough to ensure distillation of the water from the reactants. It is preferred to use 5-10 mols. of, e.g., epichlorohydrin, per mol. acid group and to employ an aqueous solution of the hydroxide in the second step. The glycidyl ester may be recovered by adding sufficient water to dissolve the halide salt by-product and distilling the epihalohydrin solution of the ester which forms the non- aqueous layer. Examples relate to the preparation of the glycidyl esters of adipic, isophthalic, terephthalic, azelaic and a C 18  dimer acid.
Patent GB-209859-A (GB)
Title: Improvements in sharpeners for scissors and tools having similar cutting edges
IPC: B24D15/06
Filed: 1922-10-25
Abstract: 209,859. Williams, A., Bennett, H. G., and Rowe, I. Oct. 25, 1922. V-slot and like blade sharpeners. - Scissors and like blades are sharpened by drawing the edge across hardened steel strips d secured to the cheeks b of a holder a by rivets e. The cheeks have formed therein grooves f, g,. respectively, to expose the edges of the strips, and the material displaced from the groove f is bent inwards to form a guide.
Patent GB-872413-A (GB)
Title: Electrical signalling system
IPC: B61L23/10
Filed: 1959-08-26
Abstract: 872,413. Transistor relay circuits. SOC. TECHNIQUE POUR L'INDUSTRIE NOUVELLE S.A. STIN. Aug. 26, 1959 [Sept. 5, 1958], No. 29149/59. Class 40(6) An electromagnetic relay circuit comprises two relay windings connected to a switch device operated by a train of input pulses the circuit having such time constants that the relay or relays will complete an output circuit only when the pulse width and pulse interval are within prescribed limits. In Fig. 4 two relays A and B are connected in series across a supply source and to a transistor T so that when the transistor is not conducting relay B is operated and relay A not operated and the output circuit through contacts a and b is thus broken at contact a. If long pulses are applied to the input of the transistor, relay B is short circuited so that it releases and relay A is operated so that the output circuit is now broken at contact a. If however pulses of appropriate length and interval in relation to the time constants of the relays and their capacitors C are applied to the transistor, relay A will be operated and relay B will remain operated so that the output circuit will be completed. A single relay may alternatively be used with the two windings arranged in opposition on a closed magnetic loop. The flux when either winding is energized alone passes round the loop whilst when both are continuously energized the flux is diverted through the armature but is insufficient to operate it. Only when the required pulses are applied to the transistor is the flux sufficient to operate the armature. The circuit may be used for railway track signalling and by using a number of devices adapted to different pulse frequencies transmitted over a single track circuit different channels may be separated. In addition A.C. control signals may be used and interfering signals from traction circuits may be eliminated by a filter.
Patent GB-870424-A (GB)
Title: Improvements in driving means for carding engine flats
IPC: D01G15/24
Filed: 1959-08-26
Abstract: 870,424. Carding engines. DEUTSCHER SPINNEREIMASCHINENBAU INGOLSTADT NIEDERLASSUNG DER SCHUBERT & SALZER MASCHINENFABRIK A. G. Aug. 26, 1959 [Feb. 5, 1959], No. 29163/59. Class 120(1) Carding engine flats are attached to endless flexible bands by clamping with plates. The flats may be screwed on the upper surfaces of the bands and the clamping plates may form the sliding surfaces running on the carding engine bands. The bands may have protruberances or teeth 2<SP>1</SP> to engage in recesses in the plates 10 and the flats 1, Fig. 3, or smooth bands may be used, so clamped as to be pressed into concavities in the plates 10 by convex portions on the flats 1, Fig. 4. In other embodiments, protruberances may be attached to the bands by rivets; eyelets may be set in the bands to receive bolts; or steel bands may be embossed with depressions. Instead of being made of steel, the bands may be of a synthetic material, with or without steel strand reinforcement.
Patent GB-766282-A (GB)
Title: Process for separating mixtures consisting of monovinyl ethers of glycols and the glycols themselves
Filed: 1954-10-11
Abstract: A monovinyl ether of a lower glycol (i.e. a glycol containing 2 to 4 carbon atoms per molecule), is separated from the corresponding glycol by distilling the mixture in the presence of water, or by submitting it to steam distillation, whereby the ether distils over as an azeotrope with water leaving the glycol in the still.  In order to prevent the formation of cyclic acetals, the distillation is preferably effected in the presence of a small quantity (0.1 to 0.5 per cent), of an alkali hydroxide.  The monovinyl ether may be extracted from the distillate with a water-immiscible solvent, and then recovered therefrom by distillation.  The process may be applied to the monovinyl ethers of ethylene, propylene, trimethylene, tetramethylene, and diethylene glycols.  In an example, 547 parts by weight of a mixture containing 87 per cent of ethylene glycol monovinyl ether and 13 per cent of ethylene glycol are distilled, together with 1094 parts of water containing about 0.2 per cent NaOH, from a distillation apparatus, the receiver of which is supplied with 1 part of NaOH.  At 98 DEG C. and 760 m.m., an azeotropic mixture distils over which contains 35 per cent of the monovinyl ether and 65 per cent water.  After distillation of 1200 parts the process is interrupted.  The distillate is extracted with ether containing a small amount of triethylamine; and the extract is dried with sodium sulphate.  The ether is then distilled off; and the monovinyl ether is mixed with 0.1-0.5 per cent of NaOH, and distilled in vacuo.  The yield of pure monovinyl ether amounted to 85 per cent.
Patent GB-1428690-A (GB)
Title: Method of forming a light image on a spherical surface
IPC: G03B15/00
Filed: 1973-06-20
Abstract: 1428690 Optical projection DORNIER SYSTEM GmbH 20 June 1973 [11 Aug 1972] 29197/73 Heading G2J A method of forming an image 4' (e.g. of a lubrication groove pattern) on a spherical surface 7 (e.g. a bearing surface) comprises (A) providing a projection device including a light source 1, a condenser 3, an image pattern holder 4, an aperture stop 5' and a projection lens 6; (B) disposing the spherical surface 7 in a focal zone of the projection lens 6; (C) irradiating the spherical surface 7 with the projected light and (D) restricting the stop 5' so that only those rays will pass to the projection lens 6 which will form a sharp image at least at the equator 10 of the  sphere which is at right angles to the axis of the projection device.
Patent GB-1007236-A (GB)
Title: Oil scavenging system for a rotary compressor
IPC: F04C29/00
Filed: 1964-08-04
Abstract: 1,007,236. Rotary compressors. JAEGER MACHINE CO. Aug. 4, 1964 [Sept. 5, 1963], No. 29264/64. Heading F 1 F. A multi-stage rotary compressor having an interstage manifold and a high-pressure oil lubricating system includes means for preventing excessive accumulation of oil in the manifold which comprises a line connecting the manifold to a source of higher pressure on the compressor to provide a pressure differential which creates a jet of fluid in the manifold to remove the oil therefrom. As shown in Fig. 5, a two-stage rotary compressor, preferably of the sliding vane type, comprising a low-pressure stage receiving air from atmosphere through an inlet valve 30 and a high pressure stage 12 discharging an oil-air mixture through a line 17 into an air-receiver 18 includes an interstage manifold 13 connected by a line 24 fitted with a filter 25, check valve 26 and a choke 27 to an oil-separator 20 through which air at discharge pressure from the receiver 18 passes. The separator 20 being at higher pressure than the manifold 13 creates a jet of fluid to remove oil from the manifold when the compressor is unloaded and little or no air is flowing through the compressor. A line 38 connected to the air supply conduit between the separator 20 and a non-return check valve 29 transmits pressure to act on a diaphragm-actuator, spring-loaded valve 36 which when the pressure reaches a predetermined value opens to supply pressure fluid through a line 37 to an actuator to close the inlet valve 30 supplying the compressor. In a modification, the line from the separator 20 is connected to the valve 36 to supply the pressure to open this valve and supply the actuator to close the valve 30. A line from the actuator fitted with a filter, check valve and choke then connects to the manifold. In this case a jet is created only when the valve 36 is open and the valve 30 closed to unload the compressor. In a further modification of the Fig. 5 embodiment, a pump driven by the compressor fitted in the line 24 increases the pressure differential. In a still further modification of the Fig. 5 embodiment, an additional line fitted with a filter, check valve and choke is provided between the manifold and the chamber of the actuator associated with the inlet valve 30. This line being supplied with pressure fluid from the line 38 when the valve 36 is open and the valve 30 closed so that in the unloaded condition of the compressor two fluid jets are removing oil from the manifold. Specification 772,944 is referred to.