baber/WOPTO huggingface dataset:
Patent GB-369562-A (GB)
Title: New or improved apparatus for measuring granular substances in bulk
IPC: G01F3/28
Filed: 1930-12-19
Abstract: 369,562. Grain & c. metres. LETREUX, A., 4, Viviani, Constantine, Algeria. Dec. 19, 1930, No. 38258. Convention date, Dec. 19, 1929. [Class 69 (i).] A meter for granular substances comprises a drum having compartments 10<1> .. 10<4>, Fig. 1, supplied from a hopper 1 having a flexible mouth 3, and adapted to rotate intermittently under the control of tripping mechanism operated by a float 16 accommodated in an open-topped discharge chamber 25. When a frame 18 carrying the float is in its upper position, rotation of the drum is prevented by the engagement of one of a series of rollers 12 .. 15 with an arm 23. As material passes out of the chamber 25 through a gate-controlled opening, the frame 18 descends, the operative roller finally being free to move when a cranked portion 23a, Fig. 2, of the arm 23 has passed it. The drum then turns, the operative roller acting on a ramp 21 to raise the frame 18 so that the arm 23 is brought into position to engage the next roller.
Patent GB-1518166-A (GB)
Title: Monolithically integrable delay line circuit
IPC: H03K5/14
Filed: 1975-09-18
Abstract: 1518166 Active filters ITT INDUSTRIES Inc 18 Sept 1975 [18 Sept 1974] 38431/75 Heading H3U In a delay circuit, analogue signals S to be delayed phase modulate a pulse train from generator I, the resulting modulated signal being fed via a delay L comprising a chain of semiconductor stages to a demodulator D. The overall delay is maintained constant by comparing the phases of the input and output signals in comparator P to produce a signal which controls the delay of line L. The pulse generator and delay Fig. 1 (not shown) may comprise a chain of transistors and may employ I<SP>2</SP>L (not shown).
Patent GB-991580-A (GB)
Title: Improvements in or relating to protective units for plants
Inventor: JOHNSON DOUGLAS CRAIG CROOM
IPC: A01G13/04
Filed: 1962-10-10
Abstract: 991,580. Latch fastenings; spring clips. MARMAX HORTICULTURAL Ltd. May 15, 1963 [Oct. 10, 1962], No. 38436/62. Headings E2A and E2B. [Also in Division A1] A clip for securing together the side pieces 32 and top sheet 29 of a cloche is formed of strip metal folded as shown to provide pairs of arms 33, 34 and 35, 36. The end 38 of arm 35 is bent to hook over a reinforcing wire 31 in the top sheet of the cloche.
Patent GB-1403955-A (GB)
Title: Tampons
IPC: A61F13/20
Filed: 1973-08-16
Abstract: 1403955 Tampons DR CARL HAHN GmbH 16 Aug 1973 [18 Aug 1972] 38816/73 Heading A5R A tampon is made by compressing to a cylindrical shape rolls 2a, 2b which are formed by rolling up a single strip of absorbent material 2 at least from the ends towards the centre of the strip. A withdrawal string 3 may be passed double through the centres of the rolls leaving a loop 3a through which the ends 3c, 3d are passed, or a string may be passed singly through the roll centres and tied at (4c) Fig. 2 (not shown). Two rolls may be wound in opposite directions Figure 1 or in the same direction as in Fig. 2 (not shown). A third roll may be formed fromthe centre portion of the strip intermediate the end rolls and the three rolls may bÚ wound all in the same direction or with the centre roll in the opposite direction to one of the outer rolls. In each case the rolls may be arranged co-planar or with their axes parallel and in triangular formation. In three roll formations the withdrawal strings (7) are passed double through one roll dividing to pass back singly through the two other rolls and then together through the loop (7a). The rolls may have diameters differing, from one another.
Patent GB-906129-A (GB)
Title: Improved closure for tubes and bottles
IPC: B65D47/30
Filed: 1960-11-14
Abstract: 906,129. Container closures. LEHMANN, J., and CHALFON, C. Nov. 14, 1960 [April 22, 1960], No. 38973/60. Class 125 (3). A closure for bottles or tubes comprises a body 1 screw-threaded on to or integral with the neck of the container, having apertures 5 and 6 communicating with the container and the outside respectively, and provided with a transverse bore 4 in which a cylindrical closure member 7 is rotatable. A section 9 is removed from the length of the member 7 to provide a passage between the two apertures in the open position of the closure and interrupt said passage in the closed position. A bushing 10 which extends into the bore limits rotation of the member 7 and also prevents its withdrawal from the neck of the container.
Patent GB-1097955-A (GB)
Title: An organopolysiloxane-containing tablet
Inventor: GRASS GEORGE MITCHELL
IPC: A61K33/26
Filed: 1965-09-14
Abstract: A spray-dried powdered organopolysiloxane composition consists of dry substantially spherical particles having a size from 5 to 1000 microns, each particle comprising a liquid organopolysiloxane coated with 15 to 95% by weight of the particle of a non-toxic coating material selected from acacia gum, guar gum, Ca-, Na- and NH4-caseinates, milk solids, polyvinyl alcohol, polyvinyl-pyrrolidone, methyl cellulose and carboxymethyl cellulose. If the coating material does not possess emulsifying properties, it may be mixed with a known emulsifying agent such as a sorbitan fatty acid ester.  In a typical Example 1A, methyl cellulose is dispersed in a liquid siloxane and the resulting dispersion is added to an aqueous solution of milk solids with subsequent homogenization to form an emulsion which is then spray-dried.  Uses.-For the treatment of gastrointestinal disorders when used in conjunction with an antacid (see Division A5).ALSO:A compressed table for the treatment of gastrointestinal disturbances, comprises pharmaceutically acceptable quantities of an antacid and a spray dried powdered organopolysiloxane composition consisting of dry spherical particles having a size from 5 to 1000 microns, each particle comprising a liquid organopolysiloxane coated with 15 to 95% (by wt. of the particle) of a non-toxic coating material selected from acacia and guargums, calcium-sodium-and ammonium caseinates, milk solids, polyvinylpyrrolidone, polyvinylalcohol, and methyl- and carboxymethyl-celluloses (see Div. C3).  Antacids specified are magnesium aluminium oxyhydroxide, aluminium hydroxide dried gel, aluminium phosphate, calcium carbonate, magnesium carbonate, magnesium trisilicate, magnesia, magnesium hydroxide and dihydroxyaluminium amino acetate.  In the Example, an antacid granulation is made by mixing a mixture of the antacid, glycine, mannitol and methylcellulose with a mixture of pyrrolidone (in alcohol) and saccharin, drying, screening and then mixing with flavour, lubricant and disintegrant.  A siloxane preparation is similarly made from the spray dried siloxane composition, mannitol, glycine, polypyrrolidone, saccharin, magnesium stearate, cornstarch and flavour.  The siloxane preparation may then be compressed to form a core in a tablet press with the antacid granulation, then either press coated around the siloxane core or pressed on to the initial siloxane slug to form a 2 or 3 layered tablet.
Patent GB-922903-A (GB)
Title: Improvements in gumming, inking and similar mechanisms
Inventor: WELVAERT CLAUDE ALEXANDRE CHAR
IPC: B41F31/06
Filed: 1958-12-06
Abstract: <PICT:0922903/III/1> A gumming, inking or similar coating apparatus comprises a trough 11 for the coating liquid and a roller 14 rotatably supported in the trough 11 which has a pair of wedge-shaped locking surfaces 19, one of which is adapted to engage an abutment surface 24 on a fixed claw 21 mounted in a machine, and the other of which is adapted to engage a simlar abutment surface 24 on a movable claw 22 which is resiliently urged, e.g. by springs 23, towards the claw 21.  The surfaces 19 are formed on inverted V-shaped bearings 17 which rest on a pair of spaced parallel rods 18 on the machine, the claws 21, 22 being bored to receive the rods 18.  The claw 21 is fixed at 26 to the rods 18, but the claw 22 can slide therealong until checked by a stop 27.  Gearing 16 on a shaft 15 drives the roller 14.ALSO:A gumming, inking or similar coating apparatus comprises a trough 11 for the coating liquid and a roller 14 rotatably supported in the trough 11 which has a pair of wedge-shaped locking surfaces 19, one of which is adapted to engage an abutment surface 24 on a fixed claw 21 mounted in a machine, and the other of <PICT:0922903/IV(a)/1> which is adapted to engage a similar abutment surface 24 on a movable claw 22 which is resiliently urged, e.g. by springs 23, towards the claw 21.  The surfaces 19 are formed on inverted U-shaped bearings 17 which rest on a pair of spaced parallel rods 18 on the machine, the claws 21, 22 being bored to receive the rods 18.  The claw 21 is fixed at 26 to the rods 18, but the claw 22 can slide therealong until checked by a stop 27.  Gearing 16 on a shaft 15 drives the roller 14.
Patent GB-1486907-A (GB)
Title: Integrated circuit
IPC: H01L27/02
Filed: 1974-09-10
Abstract: 1486907 Integrated circuits PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 10 Sept 1974 [13 Sept 1973] 39482/74 Heading H1K [Also in Division H3] In an integrated circuit comprising transistors fed by current injectors consisting of at least three layers as described in Specification 1,398,862, the transistors forming several groups, each requiring about the same supply current, the groups are connected in series as regards the supply voltage to form different storeys with the first layer of the injector of the highest storey connected to one side of the supply and the second layer of that of the lowest storey to the other side and a functional connection provided between the collector of a controlling transistor in one storey and a controlled transistor in a lower storey includes an auxiliary transistor the collector of which is connected to the base of the controlled transistor. The transistors and injectors of individual storeys may be in different bodies or in junction-isolated islands in a common body, and a ballast resistor or a transistor biased to give a constant emitter-collector current connected in series with the supply voltage. When controlling and controlled transistors of NPN type are to be simultaneously on or off one collector of the controlling transistor is connected to the base of an auxiliary PNP transistor of the higher level the emitter and collector of which are connected to the first layer of the injector and the base of the controlled transistor respectively. Where the transistors are to be alternately on two auxiliary PNP transistors are provided at the higher level with their bases connected to the second layer of the injector, their emitter-collector paths in series between the first layer of the injector and the base of the controlled transistor and a collector of the controlling transistor connected to the junction between them. A transistor at a higher level may be controlled by one of a number of control transistors of complementary type at lower levels by connecting their collectors to its base. The physical arrangements of such circuits within a wafer are described.
Patent GB-1367303-A (GB)
Title: Microwave oscillators
IPC: H03C3/22
Filed: 1971-08-23
Abstract: 1367303 Cavity resonators MICROWAVE ASSOCIATES Inc 23 Aug 1971 [24 Aug 1970] 39507/71 Heading H1W [Also in Division H3] Automatic frequency temperature compensation of a resonant cavity is obtained by the action of dissimilar expansion coefficient metals in the tuner structure 28 which withdraw the tuner 30 with increasing temperature so that this frequency adjustment balances the opposite frequency change caused by an increase in volume of the resonant cavity 13 with increasing temperature. The adjustable tuner holder 28 is of low thermal expansion coefficient and may be a nickel/iron alloy whereas the tuner housing 31 and resonator housing 10 are of high thermal expansion coefficient and may be of Al, Cu or brass. The dielectric tuning rod 30 may be of ceramics and may be secured to the holder 28 by epoxy bonding. The resonant cavity walls 13 may be plated with silver and the cavity may be a TE 101  rectangular cavity. The cavity may have a high Q such as 1000. Electronic tuning may be provided by a varactor diode 21 mounted in the cavity or this diode may be mounted external to the cavity (Fig. 3, not shown) and is then coupled to the cavity by a probe or loop. The varactor diode 21 may be replaced by a Gunn effect diode.
Patent GB-1016174-A (GB)
Title: Variable frequency signal generators
IPC: H03B21/04
Filed: 1962-10-18
Abstract: 1,016,174. Frequency synthesizers. HEWLETT-PACKARD CO. Oct. 18, 1962 [Nov. 13, 1961], No. 39509/62. Heading H3F. A frequency synthesizer comprises a chain of mixed/filter units 33, 27, 41, 51, 53, 49, 61, 69 fed on the one hand from a number of fixed carrier frequency sources 30, 28, 44, 57 and on the other hand from a number of sources of grouped fixed frequencies, such that the fixed frequencies within one group are of an order of magnitude greater than the fixed frequencies in a preceding group. These sources comprise a fixed frequency standard 9, coupled to a generator 11 in which a first group of fixed frequencies ranging from 3 Mc/s. to 3À9 Mc/s. in 0À1 Mc/s. steps is produced. Each fixed frequency is passed through successive stages 13, 17, 21 of frequency multiplication followed by filters 15, 19, 23 respectively to provide second, third and fourth groups of fixed frequencies lying in the respective ranges 30 to 39 Mc/s., 300 to 390 Mc/s., and 3000 to 3900 Mc/s. Each group is accompanied by a search oscillator 12, 14, 16, 18 respectively which is continuously variable over the frequency range of that group and which may be voltagecontrolled. The frequency groups are fed to selector switches 25, 45, 55, 63, 77 which may comprise diodes; the switch 25 for the lowest frequency group is combined with a frequencyshifter which translates this group into the frequency range 30 to 31 Mc/s. To obtain the final frequency range of 0 to 1 Mc/s. the frequency of 30 Mc/s. from carrier source 30 is then subtracted in mixer/filter 33. To obtain frequency ranges of 0 to 10 Mc/s. and 0 to 100 Mc/s. the first group of frequencies is added to 300 Mc/s. from carrier source 28 in mixer/filter 27 and the sum added to the output of the second selector switch 45 in mixer/filter 41. The range 0 to 10 Mc/s. is then obtained by subtraction of the frequency 390 Mc/s. from carrier source 44 in mixer/filter 51 and the range 0 to 100 Mc/s. by subtraction in mixer/ filter 53 of the output from the third selector switch 55. Finally, to obtain the frequency range 0-1000 Mc/s. the frequency of 3210 Mc/s. from carrier source 57 is added to the output of mixer/filter 41, i.e. 390 to 400 Mc/s. in mixer/filter 49 and the sum added to the output from selector switch 63 in mixer/filter 61. From the output of this, lying in the frequency range 3900-4000 Mc/s. is then subtracted the output of the final selector switch 71, to give the desired range of 0-1000 Mc/s.
Patent GB-1326948-A (GB)
Title: Testing device for testing the safety of electrical appliances
IPC: G01R27/18
Filed: 1970-08-17
Abstract: 1326948 Electric battery lamps I K JAMIESON 17 Aug 1970 [18 Aug 1969 4 March 1970] 39610/70 Heading F4R [Also in Divisions G11 and H1] A combined battery torch and circuit tester comprises a generally rectangular casing 1 enclosing batteries, a white torch bulb 6, and green and red indicator bulbs 4, 5 for use when circuit testing. In a modification the green bulb functions as both a circuit test indicator and the torch bulb. The different functions of the device are selected by a slide switch 8.
Patent GB-1204382-A (GB)
Title: Digital integrator
Inventor: SMITH SAMUEL KENNETH
IPC: G01S7/28
Filed: 1967-08-30
Abstract: 1,204,382. Pulse radar. TEXAS INSTRUMENTS Inc. 30 Aug., 1967 [5 Dec., 1966], No. 39703/67. Heading H4D. In an integrator, periodically recurring signals are stored digitally, 24, Fig. 2, stored signals are attenuated, 26, and attenuated signals are combined with the periodically recurring signals, 28. The attenuator may be placed between the combiner and the store. The storage means may be a shift register or an equivalent magnetic core matrix. The attenuator prevents selfoscillation. As applied to a radar of pulse recurrence period T = (n + m)#T, where n is the number of range bins and m represents dead time, an analogue-to-digital (A/D) converter 30, Fig. 3 (where n= 10), produces four-bit binary word (i.e. sixteen quantization levels) and a sign bit relative to a bias level set such that the average noise value over period T is zero. A digital algebraic adder 28 receives converter 30 output and is connected to a shift register 24 the parallel outputs of which are applied (i) through a digital-to-analogue (D/A) converter 58 to a display and (ii) to adder 28 via a digital attenuator 26. Clock pulses of recurrence period #T from an oscillator 48 are applied to a dividing counter 52 to afford radar trigger pulses (m may be variable) and are applied to a gate 50 to give sampling pulses for converter 30 and shift pulses for register 24. Corresponding waveforms are given, Fig. 4 (not shown). In another embodiment there is analogue feed-back to an analogue algebraic adder located before A/D converter 30, Fig. 5 (not shown).
Patent GB-1282982-A (GB)
Title: Improvements in or relating to an incinerator
Inventor: SUGANO KUMAKICHI
IPC: F23G5/18
Filed: 1970-08-18
Abstract: 1282982 Incinerators K SUGANO 18 Aug 1970 [15 April 1970] 39712/70 Heading F4B An incinerator, particularly for burning plastic materials, has an elongated primary combustion chamber 2 with a hearth 6 having a ridge 9 separating two wells 12. The chamber 2 has double walls 7, 8 forming a water jacket, and air passages 19 secured to the inner wall 8 supply air from distributers 20 to material on the hearth through holes 21. Clearing doors 18 are arranged at each end. Extending upwardly from the chamber 2 is a secondary combustion chamber 3, with inner and outer walls 33, 27, 29 forming a water jacket divided into two parts by a partition 28. In the lower part air is fed by distributers 38, 39 through holes in the inner wall, and a gate arranged 44 projects through the upper part to allow material to be fed into the incinerator without the escape of hot gases. The inner wall 33 continues above the gate part 40 with an outer wall 31 and horizontal plates 30, 32 forming an air jacket for a smoke combustion chamber. Inclined nozzles 46 in the inner wall supply excess air from the jacket to the smoke combustion chamber, where the flame is exhausted before the gases leave by the stack 4. A blower 41 supplies air to the jacket and to the distributer in the lower combustion chambers, and a tank 50 feeds cooling water to the lower hollow walls, the jacket surrounding the hearth being continuous with that surrounding the lower part of the secondary combustion chamber and a pipe 37 connecting the two sections of this jacket. Condensers 54 collect steam from the furnace jackets. Material fed into the gate 44 is heated as it falls to the ridge 9 in the primary combustion chamber, where molten material collects in the wells 12 when it it gasified without being cooled by the addition of a fresh charge.
Patent GB-963929-A (GB)
Title: Improvements in or relating to acetylation of wood
Inventor: GOLDSTEIN IRVING SOLOMON
IPC: B27K3/36
Filed: 1962-10-22
Abstract: Wood is acetylated to proof it against fungi and termites by impregnation at 100-130 DEG  C. and 150-200 p.s.i.g. with a mixture of acetic anhydride and an aromatic or chlorinated hydrocarbon solvent which has a b.p. of at least 80 DEG  C., is miscible with and inert to acetic anhydride, is substantially immiscible with water, and does not swell wood, the weight gain on acetylation being at least 18%.  The wood may be impregnated before impregnation.  The wood may be treated with solvent vapour before and after acetylation to remove moisture and acetic anhydride respectively. Acetic anhydride and solvent may be recovered and returned to the process. The treated wood may be kiln dried at 100 DEG  C.  The solvent may be benzene, isopropyl benzene, toluene, zylene, mono- or di-chlorobenzene, ethylene dichloride, trichloroethylene, tetrachloroethylene, or carbon tetrachloride.  Various species of wood are specified.ALSO:Wood is acetylated by impregnation at 100-130 DEG C. and 150-200 psig with a mixture of acetic anhydride and an aromatic or chlorinated hydrocarbon solvent which has a bp of at least 80 DEG C., is miscible with and inert to acetic anhydride, is substantially immiscible with water, and does not swell wood, the weight gain on acetylation being at least 18%.  The wood may be evacuated before impregnation.  The wood may be treated with solvent vapour before and after acetylation to remove moisture and acetic anhydride respectively.  Acetic anhydride and solvent may be recovered and returned to the process.  The treated wood may be kiln dried at 100 DEG C.  The solvent may be benzene, iso-propyl benzene, toluene, xylene, mono- or dichlorobenzene, ethylene dichloride, trichloroethylene, tetrachloroethylene, or carbon tetrachloride. Various species of wood are specified.
Patent GB-1130320-A (GB)
Title: Apparatus and methods for detecting contamination in inert gas
Inventor: FOX WILFRED ARTHUR CHARLIE
IPC: G01N31/22
Filed: 1966-09-07
Abstract: 1,130,320. Gas analysis. BRITISH AIRCRAFT CORP. (OPERATING) Ltd. Sept. 7, 1967 [Sept. 7,1966], No.40054/66. Heading G1B [Also in Division B3] Apparatus for detecting contamination in an inert gas e.g. argon comprises a closed box 22 having an inlet 25 and an outlet 23 for inert gas at least one metallic element 26 mounted in the chamber, which element is such that when heated e. g. by passage of an electric current therethrough, to a temperature below its melting point in the presence of inert gas contaminated with oxygen it will discolour the discolouration being visible through a transparent face 24 of the box 22. In use the apparatus is connected in the outlet from a chamber in which arc welding of titanium or titanium rich alloys is carried out. A non-return valve 21 is connected to this outlet. Six elements 26 of titanium are connected between a bus-bar 28 and an insulating strip 29. Conductor tabs 30 associated with each element 26 are connected to a distributer 27 which allows manual control over the electric heating of the six elements 26 in turn. During a test on element 26 is heated to red heat and then allowed to cool. If oxygen is present in the inert gas the element will be discoloured from pale straw through dark blue to purple or grey depending on the amount of oxygen present.