baber/WOPTO huggingface dataset:
Patent GB-1192732-A (GB)
Title: Roll Gap Control
Inventor: LLOYD ANTHONY MICHAEL
IPC: B02C4/32
Filed: 1966-08-31
Abstract: 1,192,732. Roller miils. ROSE, DOWNS & THOMPSON Ltd. 25 Aug., 1967 [31 Aug., 1966], No. 38873/66. Heading B2A. [Also in Division G3] The gap between a pair of flaking rolls 12, 12 is maintained constant by means of a hydraulic motor 26 which adjusts the spacing via screw 25 and wedges 23, 24 in response to variations in the 'back pressures of sensing nozzles 30 which adjust the motor control valve 27 by means of diaphragm 33. The nozzles are carried by a self-centring unit 31. A pump 21 supplies a fluid pressure bias to piston 18 connected to the chock 16 of the right hand roll. Both ends of the gap are controlled in like manner. In modifications, the gap is sensed by a capacitance transducer and is controlled by varying the pressure bias.
Patent GB-1369218-A (GB)
Title: Drink dispensing machine
IPC: A47J31/40
Filed: 1972-06-20
Abstract: 1369218 Shop fittings etc G K N SANKEY Ltd 20 June 1972 [19 Aug 1971] 38918/71 Heading A4T [Also in Division B1] A beverage mixing aerating and dispensing machine has a pre-mixing bowl (11) Fig.1 (not shown) in which solid and liquid are mixed and discharged with a swirling motion into an inlet 13 of a mixing chamber 23 so shaped that liquid flows over the whole inner surface thereof. An agitator 22, whips and aerates the beverage. As shown the chamber 23 is a slightly inclined cylinder (12) with an end closure plate 31 and is frictionally retained on a spigot 15 by an O-ring seal 27, but it may consist of two frusto-cones with a common base and their apices constituting the inlet and outlet respectively. In operation water is supplied; dry material added; the agitator rotated at e.g. 8, 000 rev/min; and the drink completed with liquid, thus purging the chamber and agitator. The latter is a close fit to the chamber walls except in the region of a groove 40 which prevents retention of material between the agitator and wall by capillary attraction.
Patent GB-822539-A (GB)
Title: Process for the preparation of phosphorus pentafluoride
IPC: C01B25/10
Filed: 1957-12-16
Abstract: PF5 is prepared by heating PF3 with Br2 or Cl2 in a molar ratio of at least 5:3 to a temperature of 250 DEG  C. or above.  A gaseous mixture of PF3 and either Br2 or Cl2 in molar ratio of at least 5:3 but less than 6:3, is passed under anhydrous conditions through a reaction tube heated to 300-600 DEG  C. and packed with a porous solid that has no chemical effect on the process, e.g. activated carbon.  The gaseous product is cooled by successive passage through a trap at ambient temperature and a cold trap at say -80 DEG  C. to remove by-products, e.g. PCl5 and PCl3.  PCl3 may be reacted with fluorspar, according to known processes, to give PF3, which may then be recycled for the production of more PF5.
Patent GB-1528132-A (GB)
Title: Remote measurement systems
IPC: G01B11/14
Filed: 1975-09-24
Abstract: 1528132 Measuring the height(s) of moving turbine blade(s) SIEMENS AG 24 Sept 1975 [9 Oct 1974] 39063/75 Heading G1A In a device for measuring the height of the moving blades of a turbine 28, Fig. 5, radiation from a laser 2, Fig. 1, is caused to be cyclically deflected by a Piezo-electric device 2 through an angular range as shown. The radiation reflected off the edge of the blade is received by a photodiode 7 positioned behind a slit aperture 8. The output of the photodiode is supplied to an electronic analysis system 16 whose output pulse has a duration proportional to blade height. The beam deflecting cycle is kept in synchronism with the blade's rotation by means of an induction pickup or light barrier 18 positioned adjacent the blade's path. This supplies a frequency converter 20 whose output frequency controls the beam deflection via a phase correction element 22 and a phase comparator 23. The phase comparator 23 compares the phase of the blade rotation and the beam deflection and if the phase difference changes the speed of the motor rotating the turbine is correspondingly altered to restore the situation. The motor is controlled by a signal from the comparator which passes via a low pass filter 15 and an amplifier 14 to a motor controller 13. The commencement of the measurement and the number of rotations etc. can be recorded by means of a mark arranged on the side and an adjacent photo-cell connected to an amplifier 27 and a counter circuit 24. If only one blade is to be monitored each revolution then the counter circuit is adapted to achieve this.
Patent GB-864564-A (GB)
Title: Improvements relating to apparatus for manufacturing ice confections and the like
IPC: A23G9/26
Filed: 1957-12-10
Abstract: 864,564. Ice-making. BILLINGHAM, A. C. Dec. 10, 1958 [Dec. 10, 1956], No. 39206/58. Divided out of 864,563. Class 29 In apparatus for making ice-lollipops comprising a carrier 11 for a tray 12 from the base of which depend moulds 13 and a stick holder 9 having movable platform 10 adapted to be superposed on the tray, the holder is formed at each end with a cut-out 10a which mates with keys 14 on the ends of the tray so as to justify the sticks in the moulds 13 transversely of the apparatus. The stick holder and carrier are constructed as disclosed in Specification 806,684 and Registered Design No. 884,385 respectively.
Patent GB-1285353-A (GB)
Title: Improvements in or relating to the preparation of foods or beverages
IPC: A23L27/30
Filed: 1969-08-05
Abstract: 1285353 Sweetener HAYASHIBARA CO 5 Aug 1969 [5 Aug 1968] 39216/69 Heading A2B [Also in Division C3] A sweetener for a food or beverage is prepared by hydrolysing starch with an acid and/or enzyme and further treating the resultant hydrolysed starch with an α-1,6-glucosidase to form a low viscosity starch syrup (as defined) comprising straight-chain oligosaccharides. The low viscosity syrup may be added to the food or beverage to be sweetened.
Patent GB-1400151-A (GB)
Title: Relief valve
IPC: E21D15/51
Filed: 1972-08-15
Abstract: 1400151 Mine roof supports DOWTY MINING EQUIPMENT Ltd 15 Aug 1972 [21 Aug 1971] 39302/71 Heading F1D Sudden large increases in pressure in a mine  roof support are relieved by a valve 21. Fig. 1, which is held closed against a seat 18 by a spring 23 and has the hydraulic pressure within the working space applied to it in an upward direction by a piston 26 attached thereto by a stem 28. Slow increases in pressure above a predetermined limit are relieved by a valve 35, Fig. 2, urged against a seat 37 by a spring 36. The fluid is vented through a restriction 41, Fig. 1, passages 39, 44, 45 and 8. Rapid increase in pressure causes a build-up in pressure above the piston 26, due to the restriction 41, and this forces the piston downwards opening valve 21. Fig. 5 illustrates a modified valve in which a main valve 63 is hydraulically balanced by liquid which passes through a restriction 69 and is urged against a seat 62 by a spring 64. Valve 74 is of the same construction as shown in Fig. 2 and relieves slow increases in pressure. The support is charged from an external source in known manner.
Patent GB-1446857-A (GB)
Title: Thermally insulating doors
IPC: E06B3/70
Filed: 1972-08-23
Abstract: 1446857 Thermally insulating doors MOORE PLASTICS CO Ltd 22 Nov 1973 [23 Aug 1972] 39353/72 Heading E1J A thermally insulating sliding door suitable for cold storage rooms comprises a frame made up of channel section members 3, 4 and 5 and a member 6 and insulating panels 7 which are tongued and grooved and sealed together. The frame members are made of glass fibre reinforced plastics and are bolted together so that they can be detached to replace the panels which are made of foamed polyurethane 8 in a glass fibre reinforced plastics skin 9. Removable heating wires are disposed in neoprene guides 17, 19 and 21 along the edges of members 3 and 6 and along the face near the edges of members 4 and 5. Member 3 has a U-shaped rubber sealing strip 23 anchored in undercut grooves 22 and, in the case of automatically closing doors, a pneumatic sensor element 25 for a cut-out device.
Patent GB-1378369-A (GB)
Title: Rodenticidal compositions
IPC: A01N25/00
Filed: 1973-08-14
Abstract: 1378369 Rodenticides containing chlorophacinone LIPHA LYONNAISE INDUSTRIELLE PHARMACEUTIQUE 14 Aug 1973 [21 Aug 1972] 39528/73 Heading A5E A rodenticidal composition for use as a spray when diluted with water comprises a solution or emulsion of 2-(α-p-chlorophenyl-α- phenylacetyl)-1, 3-indanedione in a liquid monocyclic aromatic hydrocarbon solvent in the presence of an emulsifier. Optionally dipropylene glycol and/or a fixative, may be present. The compositions may be sprayed over areas in which are growing vegetables which serve as feed for the rodents to be destroyed.
Patent GB-1518286-A (GB)
Title: Pyrophosphate-silicate detergent products and processes for preparing same
IPC: C11D3/00
Filed: 1975-09-26
Abstract: The composition consists of   (1) 20 to 100% by weight of a homogeneous granular surfactant material in the form of homogeneous particles, (2) 0 to 60% by weight of an alkaline sodium and/or potassium pyrophosphate and   (3) 0 to 80% by weight of diluent.  The surfactant material contains     (a) 1 to 30% by weight of a silicate of the formula SiO2:M2O, (b) 0 to 60% by weight of a pyrophosphate of the formula MaHb(P2O7) and (c) 1 to 50% by weight of at least one anionic, non-ionic, zwitterionic and/or ampholytic surfactant.     M, a and b in the formulae have the meanings stated in Claim 1. The SiO2:M2O molar ratio in the silicate (a) is 1.6:1 to 4:1. When 1.2 g of the detergent and cleaning composition are added to 1 litre of distilled water at 25 DEG C, stirred for 1 minute and filtered under a nitrogen pressure of 6.8 atm through a filter with a diameter of 142 mm and a pore size of 5  mu m, the molar ratio of filtrate SiO2 to total SiO2 from the silicate is not more than 3.3:4. The detergent and cleaning composition contains a total of 5 to 60% by weight pyrophosphate. The total amount of alkali metal tripolyphosphate (if present) is usually less than 20% by weight of the total pyrophosphate. The detergent and cleaning composition can additionally contain 1 to 40%, based on the dry weight, of a synthetic, water-insoluble, hydrated alumosilicate of the formula Naz[(AlO2)z.(SiO2)y]xH2O or of an amorphous alumosilicate of the formula Nam(mAlO2.nSiO2) or 0.1 to 4% by weight of a glassy phosphate of the formula (Me2O)p(P2O5)q. Me, m, n, p, q, x, y and z in the formulae have the meanings stated in Claims 15, 16 and 17. Despite its reduced phosphorus content, the detergent and cleaning composition has a good cleansing action in hard water.
Patent GB-878983-A (GB)
Title: Cam-disc mounting device for sewing machines
IPC: D05B19/00
Filed: 1957-12-27
Abstract: 878,983. Sewing machines. SINGER MANUFACTURING CO. Dec. 27, 1957 [Jan. 24, 1957], No. 40180/57. Class 112 [Also in Group XXV]. A device for mounting a cam disc 68 in an ornamental stitch sewing machine comprises a base 53 having a central hole, a post-screw 41 having an enlarged head and a shank passing through the hole in the base, and a plurality of resilient prongs 58 formed as part of said base and having fixed ends secured to said base, the free ends of the prongs being located beneath the enlarged head of the screw. Each of said prongs has a divergent portion 65 adapted to be engaged by said cam disc. The device is attached to a driven sleeve 17 by means of the screw 41 and when the cam disc 68 engages the device it forces the prongs inwardly so that the prongs resiliently hold the cam disc in place with the divergent portion 65 of each prong engaging an upwardly divergent face of the cam disc. Above the divergent portion of each prong is a convergent portion to aid the engagement of the cam disc.
Patent GB-1450344-A (GB)
Title: Electrophotographic photosensitive plate
IPC: G03G5/043
Filed: 1974-09-17
Abstract: 1450344 Electro-photographic materials MATSUSHITA-ELECTRIC INDUSTRIAL CO Ltd 17 Sept 1974 [17 Sept 1973 19 Oct 1973] 40441/74 Heading G2C An electro-photographic material comprising an electrically conductive support, a first layer 0À05 to 2 microns thick comprising 60-90 wt. per cent of Se and 40-10 wt. per cent of Te, a second layer 0À05 to 1 microns thick of Se or of a Se/Te alloy with less Se than the first layer and a third layer of polyvinyl carbazole or a derivative thereof. The second layer may be a graded layer with the amount of Se increasing from the boundary with the first layer to the boundary with the third layer. The third layer may contain a binder (e.g. a polycarbonate or cyanoethyl cellulose) or a plasticizer (e.g. chlorinated diphenyl, dioctyl phthalate, a diisocyanate or tricresyl phosphate). Comparisons are made with materials which do not contain the second layer (e.g. as in Specification 1299958) or with a second layer containing more Te than the first layer and it is found that the materials of the invention discharge better on exposure.
Patent GB-1202864-A (GB)
Title: Improvements in or relating to seals for use between roofs and structures upstanding therefrom such as chimneys
IPC: E04D13/147
Filed: 1966-09-09
Abstract: 1,202,864. Chimney flashings. REDLAND TILES Ltd., and T. A. G. MUGGERIDGE. 17 Oct., 1967 [9 Sept., 1966], No. 40459/66. Heading F4J. An impervious seal element 10 for use between a sloping tiled roof and a chimney having a surface which faces across the slope of the roof, comprises a trapezoidal first portion 11 with one side 12 adjacent the said surface, an upstanding second portion 16 adapted to lie against said surface, the lower edge 19 of which diverges from the upper edge 18, and a portion 20 which is turned under the lower edge 14 of the element as shown to engage the lower end of the tile. When the seal is in position lead flashing is applied over the upstanding second portion 16 of the elements to complete the seal. The lead flashing also extends over part of the portions 11. The elements 10 can also have on their underside an array of ribs which space them slightly from the adjacent tiles. The sealing element can be made from bitumen asbestos sheet, or rigid unplasticized polyvinylchloride or alternatively from lead, copper, zinc or other metals, or from any suitable synthetic plastics material.
Patent GB-1244191-A (GB)
Title: Process for the manufacture of 7-aminocephalosporanic acid
IPC: C07F7/18
Filed: 1968-08-26
Abstract: 1,244,191. 7-Aminocephalosporanic acid. CIBA-GEIGY A.G. 26 Aug., 1968 [1 Sept., 1967; 14 June, 1968], No. 40708/68. Addition to 1,041,985. Heading C2A. 7-Aminocephalosporanic acid is produced by treating a compound of Formula I: wherein Y is a protected NH 2  group and OR is a silyloxy or stannyloxy group, with an agent forming an imide-halide, the imide-halide is treated with an alcohol to form an imino-ether, whereby at the same time the silyloxy or stannyloxy group is split off, and the iminoether is hydrolysed to yield 7-aminocephalosporanic acid. The operations are carried out by known methods, e.g. as in the parent Specification. The ester group OR in the compound of Formula I may be wherein R 1 , R 2  and R 3  are the same or different and are alkyl, aralkyl or aryl. The protected NH 2  group may be N,N-phthaloylamino, N- 2,4,6 - trinitrophenylamino, N - silylamino, N- stannylanaino or a protonated amino group.
Patent GB-1204934-A (GB)
Title: Automatic lathe
IPC: B23Q3/155
Filed: 1968-08-26
Abstract: 1,204,934. Automatic lathes. HEINEMANN A.G. WERKZEUGMASCHINENFABRIK GEB. 26 Aug., 1968 [25 Aug., 1967], No. 40728/68. Headings B3B and B3T.  An automatic lathe comprises a linearly movable tool magazine 9 which carries tools 11-20 in side-by-side relationship and which is supported on a guide 10 which extends parallel to the lathe bed 1, a tool changer 14 which transfers a tool from the magazine 9 to a tool mounting on a cross slide 4 and vice versa simultaneously, the tool changer being supported on the cross slide which in turn is mounted on a longitudinal slide 2. The tool changer consists of two arms 15, 16, which are displaceable along and pivotable simultaneously about a shaft 19 which extends at right angles to the axis of the chuck 8 the arms respectively removing a tool from the magazine and transferring it to the mounting station on the cross and simultaneously removing a used tool from the tool station and depositing it in the magazine. The pivoting motion of the arms is effected from a motor via gearing and a maltese cross mechanism 75 and the axial displacement of the arms along the pivot shaft 19 is effected by fluid pressure actuated piston and cylinder units 52, 61, whereby the pivoting action of the arms is only permitted with the arms axially spaced from each other thereby avoiding interference when the pivoting action is effected. The arms of the tool changer are each provided with spring and fluid actuated jaw members 17, 18 which engage and retain the respective tools during the changing operation, the tools 39 and 23 being subsequently clamped in the tool mounting station and the magazine respectively by fluid pressure and lever-actuated T-members 6 and 32 respectively. A code reader device 21 is provided adjacent the magazine to permit selection of the required tool in relation to the predetermined cycle of operation of the machine.
Patent GB-949538-A (GB)
Title: Improvements in or relating to a method and a machine for continuous casting
IPC: B22D11/16
Filed: 1962-10-30
Abstract: 949,538. Continuous casting-machines. CONCAST A.G. Oct: 30, 1962 [Nov. 4, 1961], No. 40890/62. Heading B3F. [Also in Division G3] A method of continuous casting comprises the steps of ascertaining during the casting operation and in a range in which the casting shall have a predetermined skin thickness in accordance with the requirements of the material at least periodically the skin thickness and of using the measured values for controlling the machine in the sense of these requirements. In the preferred embodiments the measured skin thickness is compared with the predetermined nominal skin thickness and the machine controlled by means of the deviations appearing, either manually or automatically, for example the output signals may control a Ward-Leonard set driving the casting withdrawal rolls, and a cooling fluid valve for the secondary cooling of the casting. In one embodiment, Figs. 2, 2a, an ultrasonic transmitter 21 in a water-cooled roller 23 emits waves which are reflected towards a receiver 22 at points of transition a-e between different states of the casting, so there is obtained a sequence of pulses, Fig. 2a, repeated at regular time intervals t1. The pulse sequence is evaluated to form signals corresponding to the skin thickness. A signal representing the nominal skin thickness is introduced so that an output control signal appears only when the actual skin thickness deviates from the predetermined value. In a second embodiment, Fig. 3, the ultrasonic waves penetrate the casting and are received by a receiver 51 opposite the transmitter 50. Cooling water jets 54, 55 are used as a coupling means for transmitting the waves to the casting and as electrodes to apply a voltage to the water vapour film so that the transmission of the waves is not hindered thereby. In other embodiments radio-active rays or an electrical current are passed transversely through the casting. The skin thickness is measured continuously but to avoid instability the control signals are delivered at timed intervals. Alternatively, there may be pulse counters which observe deviations at time intervals and only after a predetermined excess of pulses departing in one direction from the nominal value is a control order for adjusting released. An additional condition, such as the surface temperature of the casting, may also be measured and taken into consideration in the functions of adjusting, the said temperature being measured as by a platinum-rhodium thermo-element or a ray-pyrometer and producing a signal when it deviates from a predetermined nominal temperature. The temperature may be measured at several points to exert separately or by means of an average value its influence on the control.
Patent GB-1192009-A (GB)
Title: Improvements in or relating to Automatic Chemical Processing Apparatus
Inventor: TROWELL FRANK
IPC: G01N35/02
Filed: 1966-09-14
Abstract: 1,192,009. Dispensing predetermined quantities of liquids. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 13 Sept., 1967 [14 Sept., 1966], No. 40981/66. Heading B8N. [Also in Divisions B1 and F1] In a syringe, Fig. 2, which withdraws predetermined columns of a liquid sample and a further liquid reagent separately but simultaneously, and mixes and discharges them together through the same needle 45, suction is applied at 41, thus piston 40 is drawn up to adjustable stop 32 drawing reagent through 47 into chamber 37 and sample through needle 45 into chamber 36. When pressure is applied through 41, piston 40 is depressed thus discharging reagent through line 46 into chamber 36 where it mixes and passes with the sample out through needle 45. The maximum volume of chamber 37, i.e. the volume of reagent drawn into the syringe, is made large enough to ensure that all of the sample is washed out of chamber 36 by the reagent.
Patent GB-931927-A (GB)
Title: Improvements in separating hydrogen sulphide from hydrocarbon gases
IPC: F25J3/08
Filed: 1961-11-16
Abstract: 931,927. Cold separation of gas mixtures. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. Nov. 16, 1961 [Nov. 18, 1960; Feb. 2, 1961], No. 41085/61. Class 8(2). Separation of hydrogen sulphide from a compressed gas mixture containing not more than 92 mols. per cent of hydrocarbon gas e.g., methane contaminated with carbon dioxide and water vapour is effected by dehydrating the mixture in a silica gel tower 13, cooling to between -23‹C and -62‹C. in a heat exchanger 34 traversed by a major portion of the mixture and in exchangers 29, 30 traversed by the remainder, combining the socooled streams and expanding at a valve 37 to obtain a single liquid hydrogen sulphide phase and a hydrocarbon gas phase, separating said phases in a flash evaporator 40 and subsequently reducing the pressure at a valve 72A of the withdrawn liquid hydrogen sulphide. The liquid hydrogen sulphide withdrawn from evaporator 40 is expanded at a valve 58 into a second evaporator 60 and from thence is expanded in a valve 68 into a third evaporator 69 from which substantially pure methane gas is discharged through a duct 70 and the liquid hydrogen sulphide after expansion in valve 72A serves to cool the mixture in exchanger 34. after which the so-vaporized hydrogen sulphide is freed from residual hydrocarbons in a absorber 72. A portion of the purified hydrogen sulphide gas is withdrawn from a duct 71, heated in an exchanger 103 to 243‹C. and used to regenerate the silica gel dehydrator 13 after which it is re-united to the main hydrogen sulphide stream before passing to a conventional Claus converter for the production of sulphur. Sour methane gas leaving flash evaporators 40, 60 is used to cool exchangers 29, 30 respectively and is freed from hydrogen sulphide and carbon dioxide by absorption in an aqueous solution of dissopropanolamine fed to a column 47.