baber/WOPTO huggingface dataset:
Patent GB-1193736-A (GB)
Title: Curable Organosilicon Polymer
IPC: C08K5/32
Filed: 1968-07-30
Abstract: 1,193,736. Organosilicon polymer compositions. DOW CORNING CORP. 30 July, 1968 [25 Aug., 1967]. No. 36278/68. Heading C3T. A composition, curable to an elastomer, consists essentially of: (I) an organosilicon polymer having an average of 1.9 to 2.1 monovalent organic radicals per silicon atom which are hydrocarbon, halogenated hydrocarbon, or cyanoalkyl radicals, the silicon atoms are linked by oxygen atoms and/or (halogenated) hydrocarbon radicals; and (II) at least 0.001 per cent by weight of I of a dinitroso aromatic compound, in which two nitroso groups are directly attached to an aromatic ring, e.g. p-dinitrosobenzene. Preferred I are polysiloxanes of general unit formula: R n SiO 4-n/2 , where R is an alkyl, aryl, halogenated alkyl or aryl, alkenyl or halogenated alkenyl radical and n has an average value of 1.98 to 2.05, e.g. a dimethylsiloxane. The composition may also contain a filler. Examples relate to siloxane homopolymers and copolymers and siloxanesilcarbane copolymers.
Patent GB-1170984-A (GB)
Title: Circuit for Generating Current Fluctuations at Microwave Frequencies.
IPC: H01L47/00
Filed: 1967-08-08
Abstract: 1,170,984. Gunn effect oscillators. INTERNATIONAL BUSINESS MACHINES CORP. 8 Aug., 1967 [13 Jan., 1967], No. 36322/67. Heading H3T. [Also in Division H1] In a Gunn effect oscillator the Gunn diode has a geometry or a resistivity distribution such that for a given potential difference between the diode terminals the electric field in the diode body diminishes in the direction of the cathodeanode path. In this way the field can be more than the forming threshold field adjacent the cathode but fall below the domain-sustaining field at a point between the terminals, the location of this point and hence the frequency of oscillation being dependent on the magnitude of the energizing voltage. Fig. 3A shows a suitable Gunn diode consisting of a layer 1 of appropriate semi-conductor material on which have been deposited a central " dot " electrode 5 and a peripheral arcuate electrode 7. Using 5 as cathode and 7 as anode a given applied voltage will produce in the layer a field having a maximum value adjacent the cathode and a minimum value adjacent the anode. Figs: 1A and 1B (not shown) depict a like structure in which the anode is a complete ring surrounding the cathode. The layer 1 in this embodiment is an active semi-conductor layer epitaxially deposited on an inactive semi-conductor substrate and Fig. 1B shows the layer connected to an adjustable voltage source to constitute an oscillator of controllable frequency. Fig. 3B (not shown), depicts a diode in which the electric field variation depends on non-uniform resistivity; it consists of an epitaxially deposited " graded doping " active layer on an inactive semi-conductor substrate. The active layers in the above diodes may be of Ga As, In P, Cd Te, In As under pressure or Zn Se.
Patent GB-1275180-A (GB)
Title: BIOCHEMICAL ISOLATION OF l-MENTHOL
IPC: C12P7/02
Filed: 1970-07-27
Abstract: 1275180 Menthol TAKASAGO PERFUMERY CO Ltd 27 July 1970 [28 July 1969] 36354/70 Addition to 1187320 Heading C2C The invention comprises a process for the biochemical isolation of (-menthol which comprises selectively hydrolysing an organic carboxylic acid ester of dl-menthol or a mixture of organic carboxylic esters of dl-menthol isomers containing the dl-menthol, wherein the carboxylic acid has the formula RCOOH where R is H or alkyl or alkenyl of 1-- 21 carbon atoms, using a carboxylic ester hydrolase which has been produced by a micro-organism selected from the genera Sarcina, Nocardia, Micrococcus, Alcaligenes, Pseudomonas, Brevibacterium, Aerobacter, Agrobacterium, Achromobacter, Lactobacillus, Streptococcus, Clostridium, Flavobacterium, Mycobacterium and Arthrobacter.
Patent GB-620181-A (GB)
Title: Manifold machine-tool for multiple metal-working operations
IPC: B23Q37/00
Filed: 1946-12-11
Abstract: 620,181. Grinding and polishing. NAUGE, J. J. Dec. 11, 1946, No. 36569. [Class 60] [Also in Group XXII] The headstock of a multipurpose machine tool is slidably mounted on a vertical support 2 which is spaced laterally from the single hollow beam 4 constituting the bed of the machine, the arrangement being such that the saddle 5 can pass under the headstock. The foundation 1 and the support 2 are of reinforced concrete. The headstock and tailstock 19 are adjustable on vertical guideways by means of threaded rods 18, 20, while the headstock spindle is driven by belt 3a from the motor 3. An arm 11 is provided for supporting various components such as a stock support 14 and a tool head 12, Fig. 13. The spindle of the latter is driven by a belt 16 and is angularly adjustable about the arm 11. The saddle is provided with a compound rest, the top slide 7 of which may be positioned as shown in Fig. 13 to form a work table. The machine can be used for surface, circular, and internal grinding operations, in addition to knurling and polishing and tool sharpening.
Patent GB-971839-A (GB)
Title: Improvements in or relating to adjustable linear-dimension gauges
IPC: F16B2/06
Filed: 1962-09-27
Abstract: 971,839. Linear dimension gauges. C. E. JOUANNY. Sept. 27, 1962 [March 12, 1962], No. 36633/62. Heading G1M. In a gauge wherein a jaw 2 slides in grooves on a body 1, relative movement between the jaws and body is caused by rotation of a spindle 4 passing through apertures in the jaw and body. In one embodiment an eccentric 14 is mounted on the spindle 4, in a recess in the jaw 2, to cause the desired motion. In an alternative embodiment an  abutment member 19 held on one end of spindle 4  is provided with a spiral 20 which co-operates with  thread 21 on the slidable jaw 2. Two sliding jaws  may be provided each with a thread to co-operate  with member 19.
Patent GB-363119-A (GB)
Title: Improvements in tools for dressing grindstones in wood grinders
IPC: B24B53/14
Filed: 1930-12-04
Abstract: 363,119. Dressing grindstones. ELSENHANS, A., 19, Bertholdstrasse, Essen, Germany. Dec. 4, 1930, No. 36635. Convention date, Dec. 31, 1929. [Class 124.] A tool for dressing the grindstones of a wood grinder consists of a carrier a to which are secured, for example, by casting, a number of thin dressing elements b, the edges of which are in the form of helices, having a pitch angle of from 50-80‹. The carrier may be of metal or " Bakelite " &c., and the elements b are preferably of spring steel.
Patent GB-852632-A (GB)
Title: A device for moving railway wagons and a weighbridge traverser incorporating such a device
Inventor: BOYD JOHN
IPC: G01G19/04
Filed: 1955-12-23
Abstract: 852,632. Moving railway wagons; traversers. BOYD & CO. (ENGINEERS) Ltd., J. March 25, 1957 [Dec. 23, 1955], No. 36873/55. Classes 78 (4) and 104 (2). A railway wagon is discharged off a weighbridge traverser 11 by a pivoted ramp 14 mounted between the rails 13 of the traverser the ramp being elevated to engage and raise one pair of wheels, thus causing the wagon to run off the traverser. The ramp 14 is pivoted at one end between the rails 13 and its free end may be raised by an hydraulic ram 20 so that the edges 16 of the ramp engage under the flanges of one pair of wheels of a wagon. Traverser control (Fig. 5).-Bolt 26 is interlocked by safety switches so that, when it is thrust home to secure the traverser at one of the end positions thereof, the traversing motor cannot start and the abutment 22 cannot be lowered. Additionally, there is an interlock between ramp 14 and abutment 23, so that the abutment is lowered as the ramp is raised to discharge a wagon 12 from the traverser.
Patent GB-1511816-A (GB)
Title: Production of ozone
IPC: C01B13/11
Filed: 1976-09-06
Abstract: 1511816 Ozonizers P IMRIS 6 Sept 1976 [6 Sept 1975] 36884/76 Heading H5H Apparatus for producing ozone comprises a chamber 11, Fig. 1, of non-conducting material through which a gas comprising oxygen is passed and containing a discharge electrode 9 and an earthed electrode 3 with an intermediate conducting element 7, 9' dividing the gas stream into channels 4, 5 and having a surface 7 to receive the discharge and discharge points 8<SP>1</SP> directed towards the earthed electrode 3. The discharge points 8, 8' may be cut-out and bent up from a flat plate or may be in the form of needles. The various electrodes may be located in grooves 13 in the side walls of the chamber. In a modification the chamber may be a tube 24, Fig. 4, divided into separate sections by radial walls 12 and having common electrodes, and a number of tubes may be arranged in a housing (16), Fig. 6 (not shown) whereby they have common gas supply and collection points. The use of the apparatus for synthesizing ammonia is also referred to.
Patent GB-325913-A (GB)
Title: Improvement in or connected with vaporizers
IPC: A61M15/00
Filed: 1928-12-14
Abstract: 325,913. Porter, A. F. Dec. 14, 1928. Vaporizing by heat. -In vaporizers of the class in which liquid is fed from a reservoir H through a tube M containing a wick S in drops to a heated bowl D, the tube M is so arranged with respect to the reservoir H that it can be positioned either to allow or to shut off the supply of liquid to the bowl D. As shown, the vaporizer comprises a tray A on which is mounted a tubular body B on upper part of which the vaporizing bowl D is mounted. The body B is provided with an opening C for the insertion of suitable heating means such as a nightlight contained in a tray G. The reservoir H which surmounts the body B is of annular shape. An opening K for filling the reservoir H is provided, and is surrounded by a rectangular wall L having a portion on the side nearest to the bowl D cut away to allow excess of liquid to overflow therethrough when filling. The wick tube M is attached to an arm N frictionally pivoted by means of a nut and bolt and spring washer Q to the wall L. The rate of flow of liquid to the bowl D can thus be varied by varying the angle of the tube M. The flow is stopped when the arm N engages a projection T on the wall L.
Patent GB-893392-A (GB)
Title: Improvements in or relating to new phenylacetic acid derivatives having central depressant activity and processes for their production
IPC: C07D241/12
Filed: 1959-07-03
Abstract: The invention comprises compounds of the general formula <FORM:0893392/IV (b)/1> (wherein R1 and R2 each represent a hydrogen atom or a lower alkyl or phenyl radical, R3 represents a hydrogen atom or a lower alkyl radical, R4 represents a hydrogen atom or a lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, aralkyl, aryl or heteroaromatic radical, Rn represents one or more hydrogen or halogen atoms or lower alkyl or lower alkoxy radicals, Z represents a carbonamido, carbodialkylamido or carboheteroamido radical, and the term "lower" indicates a radical containing not more than 5 carbon atoms), and the preparation thereof by the following processes: (a) when Z is a carbodialkylamido or carboheteroamido radical, reacting a 2-halopyrazine of the general formula <FORM:0893392/IV (b)/2> (wherein Hal represents a halogen atom) with a compound of the general formula <FORM:0893392/IV (b)/3> (wherein Me represents an alkali metal atom and A and A1 represent alkyl groups which may or may not be joined to form a saturated heterocyclic ring); (b) when Z is a carbonamido radical, hydrolysing the corresponding nitrile.  The products are useful as sedatives and anti-convulsive agents.
Patent GB-1262686-A (GB)
Title: Improvements in or relating to adhesive compositions
Inventor: SPEED MICHAEL JOHN
IPC: C08L1/28
Filed: 1969-04-03
Abstract: 1,262,686. Polyvinyl acetate adhesive compositions. BUILDING ADHESIVES Ltd. 12 March, 1970 [3 April, 1969; 25 July, 1969], Nos. 17632/69 and 37530/69. Heading C3P. The invention comprises adhesive compositions comprising 5 to 10% by weight of polyvinyl acetate homopolymer (solids) in the form ' of an aqueous emulsion, 20 to 70% by weight of an inert inorganic filler, 1 to 10% by weight of a clay containing at least 50% by weight of kaolinite, 0À1% to 5% by weight of a cellulose ether and 20 to 40% by weight of water. A water soluble brightening agent such as the disodium salt of 4,4<SP>1</SP>-diaminostilbene-2,2<SP>1</SP>-disulphonic acid or its derivatives may be added in an amount of between 0À005% and 0À5% by weight based on the total composition, and the composition may also contain a plasticizer such as dibutyl phthalate. Inert inorganic fillers specified are gypsum, felspar, whiting, talc and silica. Cellulose ethers specified are methyl-, hydroxypropyl-, and hydroxyethyl methyl cellulose. The compositions are especially suitable as adhesives for ceramic tiles, and at the same time act as grouting compositions for the gaps between the tiles.
Patent GB-1423873-A (GB)
Title: Gas discharge display system
IPC: G09G3/288
Filed: 1973-08-08
Abstract: 1423873 Matrix displays NCR CORP 8 Aug 1973 [1 Sept 1972] 37583/73 Heading G5C A display system comprises a matrix of gas discharge cells with crossed conductor arrays insulated from the gas, means for applying to a selected column conductor first signals whereby voltages of a first polarity # 1  are applied across cells in the selected column in a series of first time intervals, means for applying to selected row conductors second signals whereby voltages of a second polarity # 2  are applied across cells in the selected rows in a series of second time intervals, alternating with the first intervals, means for applying to non- selected column conductors auxiliary waveforms such that zero voltage is applied to cells at each junction of a selected row and a non- selected column during the second time intervals whereby cells at the junctions of selected rows and columns are ignited but ignition of other cells is inhibited. In one embodiment Figs. 4A-4E (not shown) each column is selected sequentially for a period during which voltage pulses # 1  are applied to the selected column and pulses # 2  are applied to the remaining columns and to selected rows. A steady potential of the same magnitude 5V is applied to unselected rows. The magnitude is sufficient to cause a discharge in the absence of wall charge. In another embodiment the pulses # 2  on unselected columns are replaced by zero voltage. Driving circuits include NPN transistor switches and a two phase generator providing pulses # 1  and # 2 .
Patent GB-936447-A (GB)
Title: Making pervious adhesive tape
IPC: C09J7/21
Filed: 1959-11-05
Abstract: A film for a pressure-sensitive adhesive tape is made from a mix comprising (percentage parts):- pale crepe rubber 33, disproportionated rosin 28, lanolin 10, cornstarch 5, zinc oxide 8,5, aluminium hydrate 9, zinc dibutyl dithiocarbamate 1,5, titanium dioxide 5.  Specification 936,448 is referred to.
Patent GB-866639-A (GB)
Title: Improvements in or relating to voltage regulation systems for alternating current driving motors of electric locomotives
IPC: B60L9/26
Filed: 1959-11-06
Abstract: 866,639. Regulating switches. ZAVODY V.I. LENINA PLZEN NARODNI PODNIK. Nov. 6, 1959 [Nov. 12, 1958], No. 37660/59. Class 38 (5). [Also in Group XXXV] A transformer 17, 18 (Fig. 1), supplying the A.C. traction motor of a locomotive is provided with oil immersed off-load tap-changing switches connected in groups 1-5, 6-10 to a group changeover switch comprising on-load contactors 11, 12 in series with resistances 15, 16 which are provided with short-circuiting contactors 13, 14. A pneumatic motor is arranged to operate the tap-changing switches through one shaft and the changeover switch through another shaft which rotates at the same speed as the motor or at half its speed. The pneumatic motor 19 (Fig. 4), has electromagnetic control valves 38, 39 and requires four impulses to produce one revolution failing which it stops in one of four positions 90 degrees apart, one impulse producing movement from one position to the next. The motor drives slow and fast cam-shafts 20 and 35 which respectively operate the tap-changing switches and the group changeover switch. Fig. 5 shows four groups of tapping switches each group having a disconnecting switch 71-74. These switches are operated by a camshaft 68 (Fig. 6), passing through the faster moving hollow camshaft 69 which operates the tap-changing switches. When increasing the voltage supplied to the traction motor the disconnecting switches 71- 74 are opened simultaneously with the opening of the associated tapping switches 53, 56, 57, 60 which however may not reach their full opening immediately. The tap-changing cam-shaft 20 or 69 may be driven through worm gearing (Figs. 9-11, not shown), and moves from one driving step of the traction motor to the next while the pneumatic motor turns through 90 or 180 degrees. To obtain the highest speed of operation of the changeover switch while allowing sufficient time of extinguishing the arcs at contactors 11-14, the pneumatic motor revolves either at the same speed as the changeover switch cam-shaft 35 or at twice its speed. The speed of the pneumatic motor can be varied.
Patent GB-1185089-A (GB)
Title: Push-Pull Electron Beam Positioning System
IPC: H04N3/22
Filed: 1967-08-16
Abstract: 1,185,089. Cathode - ray tube circuits. SPERRY RAND CORP. 16 Aug., 1967 [2 Sept., 1966], No. 37742/67. Heading H4T. In an electron beam positioning system for a cathode-ray tube the ends of the centre-tapped, horizontal and vertical deflection coils 16, 18 (Fig. 1) are supplied, via current summing amplifiers QH, QV, with current increments from respective stepping counters 50, 58. Each of the latter comprises a number of latched current generators CG-H1-CGH6 and CGV1- CGV6 (detailed in Fig. 3, not shown) which, via the " clear " and " set " outputs " O " and " L " respectively, control the flow of equal current steps into one end and out of the opposite end of the associated deflection coil so that as the counters are stepped under the control of pulses from a clock 72 the beam is deflected between the positions 20, 36, 38-22 (Fig. 2) on the first horizontal line and then similarly along lines 24, 26; 28, 30 and 32, 34. In operation, as each stage of the counters is " set " it supplies a logical signal which is fed to the set input of the next stage via an AND gate which has a clock pulse as second input so that on the occurrence of the latter pulse that stage is " set ". Since the clock pulses must have a duration sufficient to ensure that setting occurs, a " runaway " setting of all the stages is prevented by deriving alternate clock pulses on the # 1  and # 2  outputs of a toggle flip-flop 76 which pulses are supplied via gates 78, 80 to alternate and intervening stages respectively of the counter 50. In the case of counter 58 a similar toggle flip-flop 108 is employed, this being operated (i.e. set) on the occurrence of an output from the clear side of a flip-flop FF-H when the latter is cleared by the output (via delay 105) from the set side of the last stage CG-H6 of counter 50 (i.e. at the end of each horizontal line). This output signal also clears all the stages of counter 50 via OR gate 102 and the next line deflection cycle then commences when FF-H (which provides the second input to AND gates 78, 80) is set by the next clock pulse after a delay in 88 sufficient to allow the horizontal fly-back to be completed. The vertical deflection circuitry operates in a similar manner. Initial clearance of all circuitry is produced by a master clear pulse from a source 136 which may be manually operated. An advantage of the invention is stated to be the absence of cumulative errors in beam positioning, since each beam position is determined by switching a single current generator, and the prevention of a trapezoidal shaped raster due to the use of push pull circuitry.
Patent GB-919037-A (GB)
Title: Diazotype material
IPC: G03C1/54
Filed: 1959-11-06
Abstract: The invention comprises diazonium compounds of the general formula <FORM:0919037/IV (b)/1> where R1 and R2 are alkyl, cycloalkyl or aralkyl groups or substituted alkyl, cycloalkyl or aralkyl groups or form together with the nitrogen atom a heterocyclic ring, R3 is a phenyl or substituted phenyl group, R4 is a hydrogen atom or a substituent group and X is a chloride or sulphate ion or zinc chloride double salt or cadmium chloride double salt radical.  The above compounds and additional related compounds are employed in diazotype material (see Group XX) and may be prepared by reacting o-nitrochlorobenzene with a phenol, reducing the nitro group to obtain a 2-amino diphenyl ether, aralkylating and/or alkylating the amino group to obtain a tertiary amine, nitrosating, nitrating or coupling the product to diazotized 2.5-dichloroaniline, reducing the nitroso, nitro or azo compound to an amino compound and diazotising the latter with nitrous acid.  The diazonium compound may be obtained as a double salt by precipitation with zinc or cadmium chloride, p-chlorobenzene sulphonic acid or sodium borofluoride.  Among the specific diazonium compounds of which the preparation is described are 4-dimethylamino - 3 - phenoxybenzene diazonium chloride, zinc chloride double salt, 4-N-methyl - N - benzylamino - 3 - phenoxybenzene diazonium chloride, zinc chloride double salt, 4 - N - methyl - N - benzylamino - 3-p-chlorophenoxy-6-chlorobenzene diazonium chloride, zinc chloride double salt, and 4-dimethylamino 3 - p - chlorophenoxy - 6 - phenoxybenzene diazonium chloride.  Among other products listed are 4-morpholino-3-phenoxybenzene diazonium chloride, cadmium chloride double salt, 4-N-hydroxyethyl - N - o,p, dibromobenzylamino-3-p-chlorophenoxy - 6 - chlorobenzene diazonium chloride and 4-piperidino-3-phenoxybenzene diazonium chloride, zinc chloride double salt.  Specifications 840,108 and 867,629 are referred to.
Patent GB-1066021-A (GB)
Title: Improvements in and relating to cases for cameras and like articles having a projecting hand grip
Inventor: DOHERTY HAROLD IAN
IPC: A45C11/38
Filed: 1962-10-05
Abstract: 1,066,021. Carrying cases. EDWARD DOHERTY & SONS Ltd. and CINEX Ltd. Oct. 7, 1963 [Oct. 5, 1962], No. 37823/62. Heading A4G. [Also in Divisions B8 and G2] A camera or like article carrying case has a hinged closing flap or flaps and a cradle displaced in one direction by the insertion of the camera &c. and in the opposite direction by removal of the camera &c. from the case, the displacement of such means causing opening or closing of the flap or flaps upon removal and insertion. As shown, flaps having walls 6, 7 and 8 are hinged at 9. The cradle 12 urged upwardly by spring 13 receives the camera, not shown. Straps 14 are attached to the cradle and to plates 16 at 15, such that in the shown position of the cradle the flaps are open. Insertion of a camera depresses the cradle 12 to close the flaps. Openings (11) Fig. 2 (not shown) accommodate the pistol grip, not shown, of the camera. The flaps may have securing means for preventing unwanted displacement of the article from the case and the case may have a carrying strap.
Patent GB-1444004-A (GB)
Title: Process for hardening mixtures of moulding compositions which  can be hardened by acid
IPC: B22C1/16
Filed: 1973-08-10
Abstract: 1444004 Acid-hardening moulding mixtures HUTTENES - ALBERTUS CHEMISCHE WERKE GmbH 10 Aug 1973 [31 Aug 1972] 38050/73 Heading B5A Acid - hardenable moulding mixtures are hardened by an acidly reacting gas which is introduced into a moulding box containing the moulding mixture, the gas being derived from an explosive and ignitable gas mixture in a chamber connected to the moulding box by ignition thereof. The explosive gas may be oxyhydrogen gas and contain the acidly reacting gas as an additive, e.g. hydrogen chloride, sulphur trioxide or carbon dioxide. The acidly reacting gas may alternatively be produced in the explosion reaction, the mixture being chlorine or other halogen with hydrogen, or any of the following with oxygen or air: sulphur vapour, carbon disulphide, methylene chloride, acetylene, carbon monoxide. The moulding mixture may be a mixture of moulding sand and a hardenable binder, e.g. a synthetic resin such as phenol, furan or urea resins or an inorganic binder such as water-glass, the mixture being used to produce moulds, patterns, cores, &c.