baber/WOPTO huggingface dataset:
Patent GB-1183884-A (GB)
Title: A Fluid Control Valve
Inventor: KLESSIG ERNST FREDERICK
IPC: F16K11/20
Filed: 1968-05-03
Abstract: 1,183,884. Valves. RACINE HYDRAULICS Inc. 3 May, 1968 [22 Aug., 1967], No. 21132/68. Heading F2V. A main spool 17 is controlled by a pair of pilot spools located at opposite ends thereof and controlled, in turn, by low-pressure signals. Each pilot spool 67 (Fig. 3) has an inlet 62 or 70, exhaust 63 and a port 65 leading to a pilot chamber at the adjacent end of main spool 17. Extensions 110, 118 of each pilot spool carry control diaphragms 94, 98 and isolating diaphragms 100, 101, the chambers to the left and right respectively of the latter being interconnected by passages 140 and communicating with exhaust through restriction (141). The inlets 62, 70 receive fluid from high-pressure inlet 23 via passages 39, 40 in pressure-regulating spool 24 and passages 69, 68. The exhaust ports 63 also communicate via passage 73 with spring chamber 42 of the pressure-reducing valve. Leftward movement of a pilot spool is achieved by applying a signal to the right-hand control diaphragm. Subsequent return of the spool to vent the main spool chamber is achieved by applying the signal to the left-hand control diaphragm. Pins 170, 171 allow manual control.
Patent GB-1083335-A (GB)
Title: Storing, mixing and dispensing devices,e.g. for antibiotics
Inventor: ALLEN JOHN
IPC: A61M5/28
Filed: 1963-05-28
Abstract: 1,083,335. Surgical syringes. CALMIC Ltd. May 26, 1964 [May 28, 1963; Jan. 7, 1964], No. 21195/63. Heading A5R. [Also in Division B8] When a closed nozzle 11 is screwed further onto a container 4 a projection 7 on the nozzle ruptures the base 9 of the hollow plug of the vessel 4, to permit anti-biotic powder 8 from the plug to fall into a sterile liquid in the container. When the tip 10 of the nozzle 11 has been removed it may receive an injection needle (12). The liquid may be sterile water or physiological saline. The device may be packed in a heat-sealed bag, and several such devices may then be packed in cartons sterilised by gamma irradiation.
Patent GB-421452-A (GB)
Title: Sewing machine
IPC: D05B1/06
Filed: 1934-07-20
Abstract: 421,452. Sewing-machines. SINGER MANUFACTURING CO., Elizabeth, New Jersey, U.S.A. July 20, 1934, No. 21252. Convention date, Oct. 5, 1933. [Class 112] A chain-stitch sewing-machine has an improved looper mechanism with rapid loopseizing and loop-shedding movements with a dwell at the end of the loop-seizing stroke. The invention is illustrated as applied to a feed-off-the-arm machine. The rocking and sliding looper shaft 30 is journalled in lugs 28, 29 in the work supporting arm 15. The threaded loopers 31 co-operate with needles 5 to form the usual two-thread or double chain stitches. The shaft 30 is given its rocking movement to move the loopers endwise into and out of their respective needle loops by an eccentric 32 on the lower rotary shaft 16. The eccentric is embraced by a pitman 34 having a slot 35 embracing the guide block 36 pivoted on the stud 37 projecting into the arm 15. The pitman 34 is connected by the link 38 to a lever 39 pivoted on the pin 40 carried by the arm 15. The lever 39 is connected by a ball and socket and a link 41 to a crank arm 42 fixed to the looper shaft 30, to rock it. Sliding movements are imparted to the looper shaft 30 to give the loopers their needle-avoiding movements by an eccentric 43 on the lower shaft 16. This eccentric is embraced by a block 44 in a fork 45 fixed to slide shaft 46 journalled in a bearing block 47 in the arm 15. The slide shaft 46 has a forked lateral arm 48 embracing the shaft 30. The compounding of the rocking and sliding movements of the shaft 30 causes the loopers to describe an elliptical path, Fig. 14. The free end o of the pitman 34 is caused by the guide 36 to move in the eggshaped path 50, Fig. 15. In the upper extreme position of the lever 39 the egg shaped path 50 of the free end o of the pitman 34 is curved reversely to the arcuate path 51 of the lower end of the link 38 about its pivotal connection with the lever 39. This causes a relatively rapid reversal of motion of the lever 39 and connected looper at the end of the loop-shedding stroke. In the lower extreme position of the lever 39, the egg-shaped path 50 is curved in the same direction and coincides over a considerable portion of its length with the arcuate path 51 of the lower end of the link 38. This condition causes the looper 31 to move slowly or dwell in its reversal of motion at the end of its loop-seizing stroke. The looper-thread controller comprises the rotary thread cam mounted on the shaft 16. The usual cast-off blade co-operates with the cam. The looper-thread tension device consists of two discs 69, Fig. 5, loose on a stem 70<1> and acted on by the head 70 and spring 74, the tension of which is adjusted by the nut 76.
Patent GB-976965-A (GB)
Title: Improvements in or relating to borate compositions
Inventor: DULAT JOSEPH
IPC: F01P11/06
Filed: 1960-06-21
Abstract: A process for producing a granular corrosion inhibitor composition comprises the step of mixing a silicate in aqueous solution with a granular water-deficient borate, the silicate solution or the borate or both containing or being in admixture with mercaptobenzothiazole or a water-soluble salt thereof, the amount of water in the silicate solution being not substantially more than that required to satisfy the water deficiency of the borate, so as to obtain a granular composition in which the granules comprise a non-segregating mixture of all the components of the composition.  By "water-deficient borate" is meant a crystalline borate carrying less than its maximum amount of water of crystallization and thus capable of absorbing further water. The composition may also include a source of alkaline-earth metal ions such as calcium oxide, or a water-soluble aluminate such as sodium aluminate.  The compositions may be added to aqueous coolants for internal-combustion engines such as water and aqueous solutions of ethylene, propylene or hexylene glycol.ALSO:A process for producing a granular corrosion inhibitor composition comprises the step of mixing a silicate in aqueous solution with a granular water-deficient borate, the silicate solution or the borate or both containing or being in admixture with mercaptobenzothiazole or a water-soluble salt thereof, the amount of water in the silicate solution being not substantially more than that required to satisfy the water deficiency of the borate, so as to obtain a granular composition in which the granules comprise a non-segregating mixture of all the components of the composition.  By "water-deficient borate" is meant a crystalline borate carrying less than its maximum amount of water of crystallization and thus capable of absorbing further water. The composition may also include a source of alkaline-earth metal ions such as calcium oxide, or a water soluble aluminate such as sodium aluminate. The compositions may be added to aqueous coolants for internal-combustion engines such as water and aqueous solutions of ethylene, propylene or hexylene glycol.
Patent GB-683377-A (GB)
Title: Improvements in or relating to armchair construction
IPC: A47C4/02
Filed: 1951-09-10
Abstract: 683,377. Seats. ABRAMOVITZ, G. G. Sept. 10, 1951 [Sept. 9, 1950], No. 21320/51. Class 52(ii) The frame of an armchair c o m - prises at each side three members two of which provide rear and front legs 1, 2 and cross one another whilst the third constitutes an arm rest 5 connected at its forward end to the upper end of leg member 1 and the upper end of the front leg member 2 connecting with the arm rest to the rear of the crossing point. The side frame members may be connected together by transverse members 8, 9, 10, or provided with other means, for supporting the seat and back frame members 11, 13 the seat and the back being preferably integral. The three members 1, 2, 5 may be tapered and the member 2 may pass through the member 1 at the crossing point 3.
Patent GB-1294729-A (GB)
Title: Electrical test probe
Inventor: DIVITA PHILIP SALVATORE
IPC: G01R1/067
Filed: 1970-05-04
Abstract: 1294729 Test probes P S DIVITA E N POWERS and C J WERNETH 4 May 1970 [2 May 1969] 21409/70 Heading H2E A conductive member 16 for engaging a circuit under test is secured to a cross-bar 22 and may be advanced and retracted by rotating a thumbwheel 26 engaging a threaded stud 24. The end of the tube 18 is slotted to receive the member 16 when retracted and its exterior surface is covered with insulating material 20. An interchangeable logic pack 32 for matching the probe to the logic of the circuit under test is connected between the conductive member via spring 28 and the end of wire 12 connecting the probe to the test apparatus. A ground wire 38 and crocodile clip 40 are employed to complete the circuit of the probe.
Patent GB-226463-A (GB)
Title: An improved closure for jars
IPC: B65D45/24
Filed: 1924-09-10
Abstract: 226,463. Kivlan, J. L., and Onthank, C. F., (trading as Smalley, Kivlan, & Onthank). Sept. 10, 1924. Stoppers secured by toggle levers and the like. - A cover 6 is secured to a jar by a pair of diametrically - opposite clamping - devices comprising toggle links 9, 10 of which the longer members 9 are provided on their outer ends with down-turned nibs 13 adapted to engage an annular groove 8 near the edge of the stopper and the shorter links 10 are pivoted to a wipe 12 encircling the neck of the jar. Each link 9 is in the form of a closed bail having its lower end formed with a pronounced bow which permits it to be readily grasped below the point of connection of the shorter link 10 and the wire 12.
Patent GB-501918-A (GB)
Title: Improvements in amplifier arrangements such as are used in wireless installations, sound recording or reproducing apparatus and so on
IPC: H03G9/06
Filed: 1937-08-04
Abstract: 501,918. Valve amplifying circuits. ETABLISSEMENTS B. ROUX. Aug. 4, 1937, No. 21550. Convention date, Aug. 4, 1936. [Class 40 (v)] A tone controlling arrangement for varying the proportions of the total input voltage fed to amplifiers G, M, A dealing respectively with low, middle and high frequencies, without varying the total apparent volume, comprises a potentiometer R having a fixed tapping Q connected to the middle frequency amplifier and adjustable tappings P, 0 connected to the others. Each of the adjustable tappings is mechanically connected to a rheostat P<1>, O<1> in series with the potentiometer. An adjustable resistance S is connected in shunt to the potentiometer. It is demonstrated, in the case in which the high and low bands are equally important as regards apparent intensity, that if RA=K,rA and RG=K,rG then the required condition is fulfilled if Ro + S.R/S + R = K.m.rM where m is an empirical coefficient depending on the relative importance as regards apparent intensity of the middle frequencies and the other symbols have the meanings indicated on the drawing. The case in which the low and high bands have different importance coefficients is discussed also. Preferably the adjustments are indicated by pointers arranged close together as shown in Fig. 3 and working over scales graduated in decibels above and below the level of the middle frequencies. More than three bands can be provided for.
Patent GB-860987-A (GB)
Title: Improvements in or relating to filling apparatus for bottles and other containers having necks
Inventor: ARBER ROWLAND SACKVILLE PRESTO
IPC: B67C3/26
Filed: 1958-07-04
Abstract: 860,987. Bottling. U. D. ENGINEERING CO. Ltd. May 7, 1959 [July 4, 1958], No. 21583/58. Class 125(2). Filling apparatus comprises a reservoir 10, a filling conduit 13 mounted on the base of the reservoir to be reciprocated therefrom by a stub 8 being held in a spring controlled mount 9, a valve comprising an elastic seat 18 which encircles to grip in its closed position the conical portion 29 of a valve head but is opened on engagement with a bottle neck to form a passage together with,ports 35 in a flange 31 for the liquid to enter the bottle, and a vent tube 36 passing through the valve head. The flange in which are the liquid ports 35 has a conical top surface 32 with a groove 34 underneath. In a modification both the flange surface may be flat and the valve seat may have may cumferential groove around its lower part so that this groove may close to provide resilience if the bottle is pushed past the wideopen position of the valve. The vent tube has blades 39 to position it in the conduit and a weight 37 tends to move it downwardly.
Patent GB-1477435-A (GB)
Title: Methods and apparatus for recording information on a  recording medium
IPC: G03C5/56
Filed: 1975-05-20
Abstract: 1477435 Selective printer INTERNATIONAL BUSINESS MACHINES CORP 20 May 1975 [23 Aug 1974] 21600/75 Heading B6F An ink jet printer has a continuous stream of a recording medium which, when subjected to a predetermined radiation or electric field, changes the medium from a colourless to a coloured state. The selected application of the radiation/field causes selective marking of the recording surface. As shown in Fig. 1 a beam from laser 25 is modulated at 26 and directed by rotating mirror 27-to one of the droplet streams. The medium may be a leuco dye and the predetermined radiation of 320-360 nanometers. Desensitizer 29 applies radiation of 400-500 nanometers to prevent colourless droplets being coloured by subsequent exposure to the predetermined radiation. Alternatively Fig. 2 (not shown) separate light sources may be used for each droplet stream by means of a light pipe with liquid crystal modulator for each stream. Alternatively Fig. 3 (not shown) the recording medium may be thermally sensitive diazoamino or triazine dye with a napthol coupling component. Desensitizing is by actinic radiation. Alternatively Fig. 4 the recording medium is an electrochromatic tungstate or molybdate which is subjected to an electric field at the nozzle.
Patent GB-954424-A (GB)
Title: Fertilizers
Inventor: BROWN GEOFFREY GEORGE
IPC: C05B11/06
Filed: 1959-06-24
Abstract: <PICT:0954424/C1/1> In a continuous process for attacking phosphate rock with nitric acid, with or without other acids such as sulphuric acid, potassium sulphate is added in amounts such that the soluble sulphate concentration in the liquid phase is from 0.5-4% the potassium sulphate addition being not less than 0.5 mol. per mol. of P2O5 in the rock, whilst maintaining the reaction temperature at 60-90 DEG  C.  Calcium sulphate is precipitated as gypsum and the reaction product comprising potassium phosphate and nitrate is continuously withdrawn and may be treated with a neutralizing agent such as ammonia to form ammonium phosphate and potassium nitrate with or without prior removal of gypsum.  The neutralizing agent may be ammonia, potassium hydroxide or potassium carbonate. The NPK ratio may be adjusted by adding further nitric or phosphoric acid or potassium salts and ammoniating. Where nitric acid is used alone it is preferably used in amounts from 5-15 moles per mole of P2O5 and should not be less than 3 moles per mole of P2O5 if mixed acids are used. Nitric, sulphuric or phosphoric acids used may have a concentration of 40-80%, 50-100% and 50-70% respectively and nitric acid with or without the other acids is always used in the acidulation stage. Sulphuric acid may be added before filtering off the calcium sulphate whilst other acids may be used after filtration. According to Examples, (1) Morocco phosphate was continuously reacted with nitric and sulphuric acids and potassium sulphate at 80 DEG  C. in a stirred tank and the reaction product was filtered on a belt filter to remove gypsum; thereafter further nitric acid was added and the liquor ammoniated to produce a fertilizer containing monoammonium phosphate, ammonium nitrate and potassium nitrate.  The NPK ratio was approximately 15 : 15 : 27.  (2) In a reaction system similar to (1) above a fertilizer containing mono- and diammonium phosphate, ammonium nitrate and potassium nitrate was produced having an NPK ratio of 3 : 2 : 2. (3) A three tank system is employed as shown in the Figure, phosphate rock, sulphuric and nitric acids and potassium sulphate being added in the first tank and potassium sulphate in the second.  All three tanks have stirrers. Gypsum is removed and nitric acid and ammonia were added to obtain a 1 : 1 : 1 fertilizer. The washings from the filter and a portion of the filtrate may be recycled. Comparative examples illustrate the formation of pentasalt (5CaSO4 K2SO4H2O) and syngenite (CaSO4 K2SO4H2O) if the sulphate addition is 6% to 8% respectively.
Patent GB-317317-A (GB)
Title: Improvements in and relating to fuel pumps for internal combustion engines
IPC: F02M55/00
Filed: 1929-07-13
Abstract: 317,317. Junkers, H. Aug. 13, 1928, [Convention date]. Addition to 278,6GE. Air, removing; regulating delivery by opening suction valves.-The fuel pump of the parent Specification is modified by providing two passages or sets of passages 7, 8 between the fuel tank 6 and the pump, the passages uniting near the inlet port 9. When this port is opened by the controlling edge 11 during the delivery stroke, the mixture of fuel and air passes from the space 3 through the port 9 back to the tank 6, and its suction action on the passage 8 induces a flow of air-free fuel from the tank to the inlet 9. In another form, the passages 7, 8 meet in a common chamber connected to the pump barrel by the inlet port. In another form, the inlet passage 9 is shaped to give an injector action on the end of the passage 8.
Patent GB-149343-A (GB)
Title: An improved method and apparatus for gauging and sorting rollers
IPC: B23Q7/12
Filed: 1920-07-21
Abstract: 149,343. Nordiska Kullager Aktiebolaget. July 25, 1919, [Convention date]. Separating by passing over or through graduated apertures.- Relates to apparatus for gauging and sorting flat-sided rollers and consists in the construction set forth. The roller 4, Fig. 4, is fed on to a reciprocating slide 1 at a position in front of a hole 3 in the slide which is greater than the largest diameter to be gauged. The slide moves below two fixed strips 2 inclined to one another as shown. At a point depending on the diameter of the roller 4, it is arrested by the strips, and the slide passing on, the hole 3 is brought beneath the roller which falls into a bin which may be divided into compartments in the direction of movement of the slide, each receiving rollers of a certain diameter. Fig. 6 shows an adaptation for gauging the diameter of the circular edge. The slide 1 is inclined laterally at an angle equal to the angle between a flat face and the diagonal b. Rollers found to be of equal diameter when gauged, as in Fig. 4 are then sorted out in regard to this new dimension.
Patent GB-1338190-A (GB)
Title: Process for producing 4-methyl-1-pentene
IPC: C07D209/20
Filed: 1972-05-10
Abstract: 1338190 Dimerisation catalysts IDEMITSU PETROCHEMICAL CO Ltd 10 May 1972 [3 Feb 1972] 21950/72 Heading B1E [Also in Division C5] A catalyst consists of (a) potassium (b) copper and (c) a potassium alkoxide derived from an aliphatic or cycloaliphatic saturated primary or secondary alcohol. The alkoxide may be prepared in situ by adding the alcohol to excess potassium. An inert diluent such as heptane may be present.
Patent GB-776589-A (GB)
Title: Improvements in or relating to transistor amplifiers
IPC: H03F3/191
Filed: 1955-07-29
Abstract: 776,589. Transistor selective amplifying circuits. PHILIPS ELECTRICAL INDUSTRIES, Ltd. July 29, 1955 [Aug. 4, 1954], No. 22011/55. Class 40(6) In a circuit employing a capacitor C and inductor L between the emitter and base of a transistor 2 Fig. 1 tuned to the signal frequency undesired feed back is reduced by feeding part of the collector voltage across resistor R to a point between the inductor and capacitor. To overcome the effects of the stray capacity 6, Fig. 2 resistor R may be returned to a tap on the collector load 5 and a further capacitor C<SP>1</SP> may be used. In a modification, Fig. 3 (not shown) a small inductor is included in the base lead which also reduces the effect of the internal collector resistance and collector capacity.
Patent GB-1374571-A (GB)
Title: Testing of recording and reproducing equipment
IPC: G11B21/04
Filed: 1973-05-09
Abstract: 1374571 Testing magnetic recording and playback apparatus RICOH KK 9 May 1973 [16 May 1972] 22020/73 Heading G5R The ability of a movable magnetic head 8 to follow a predetermined spiral track is tested by causing the head to follow its spiral path over a test record sheet carrying a magnetic recording of one or more test signals, e.g. tones of 1 kHz and 2 kHz in one or more spiral turns 50, 60, 70, 71 and listening to or recording the output of the head.
Patent GB-350306-A (GB)
Title: Improvements in or relating to photographic sound recording
IPC: G11B7/00
Filed: 1930-07-23
Abstract: 350,306. Optical sound recording. RADIO CORPORATION OF AMERICA, 233, Broadway, New York, U.S.A.-(Assignees of Douden, W. L. ; 1581. Mansfield Place, Brooklyn, New York, U.S.A.) July 23, 1930, No. 22221. Convention date, July 24, 1929. [Class 40 (ii).] The photographic material on which a sound record is to be made is exposed to an illumination of predetermined and constant value either simultaneously with or immediately preceding the exposure to the recording light or before the record material is put in the recording apparatus. The preliminary constant exposure preferably corresponds to the point indicated by the line 4 of the characteristic curve 3 of the photographic material and the recording light is of such intensity that the sound record falls entirely within the linear portion 2 of the curve.