baber/WOPTO huggingface dataset:
Patent GB-1409735-A (GB)
Title: Ionpermeable control member for an imaging system
IPC: G03G15/05
Filed: 1972-08-24
Abstract: 1409735 Electro-photography HORIZONS Inc 24 Aug 1972 [27 Aug 1971] 39561/72 Heading G2H [Also in Divisions H1 and H4] Apparatus for preparing an electrostatic image conforming to a radiant image comprises an electrically conductive element 16 (see Division H1) on to one side of which may be projected a radiant image, an image receiving member 12 located on the other side of said element, and a corona source 18 located on said one side of said element and adapted to spray ions through said element on to said member. The element 16 defines an array of ionpermeable locations and is coated with photosensitive material asymmetrically disposed relatively to said locations. The asymmetry is stated to improve the contract ratio, i.e. the ratio of ion current passing through the screen between illuminated and non-illuminated conditions, as compared with known evenly coated screen. The image receiving member 12 may be conducting paper having a thin dielectric coating 14 and supported on a conductive platen 10 maintained at a selected potential by a power supply 21. Corona discharge wire 18 is connected to power supply 20. Projector 22 focuses an image to be copied on screen 16. The power supplies are connected to electronic controls 24. The projector 22 may be replaced by any suitable light projector e.g. a cathode-ray tube projection system or by a projector using other forms of radiation, e.g. x-rays, γ-rays, α and # particles. The corona wire 18 or wires may be moved relative to the screen 16 Fig. 5, (not shown) during exposure to eliminate image defects due to mesh irregularities, and the screen may be wound on rollers to provide both movement and a continuous supply of new screen Fig. 6, (not shown). An additional vibrated screen may be provided between screen 16 and the chargeable member Fig. 11, (not shown). A number of different forms of apparatus are described Figs. 7-10 and 12, (not shown) for producing colour images or involving successive or simultaneous charging and developing utilizing liquid, normal or dry aerosol developers to produce a final image on plain paper. Images may also be formed on a deformable thermoplastic film and developed by softening the film by exposure to either heat or solvent vapours.
Patent GB-1157515-A (GB)
Title: A Process for Converting Starch and Other Dextrose and Maltose Convertible Polysaccharides into Dextrose and Maltose Containing Products.
Inventor: KROYER KARL KRISTIAN KOBS
IPC: C13K7/00
Filed: 1966-09-05
Abstract: 1,157,515. Dextrose and maltose production. K. K. K. KROYER. 5 Sept., 1966 [9 Sept., 1965], No. 39600/66. Heading C2C. Starch or other dextrose and maltose convertible polysaccharides are converted into dextrose and maltose containing products by subjecting starch milk, or other polysaccharide in an aqueous medium, to a mild acid treatment under a superatmospheric pressure sufficient to prevent substantial loss of water by evaporation while heating to a temperature above 100‹ C., neutralizing and cooling the intermediate product to a pH- value and temperature suitable for enzymic liquefaction and subjecting the intermediate product to enzymic liquefaction and subsequently to enzymic saccharification. " Mild acid treatment " is defined as hydrolysis of the starch or other polysaccharide such that the DE value does not exceed 10, e.g., by using a strong acid for a short period or a weaker acid for a longer period; preferred conditions are a pH of 1À8-2À5 for about 5 mins. at about 140‹ C. in a preferred process, the intermediate product is neutralized, e.g. with Na 2 CO 3 , and subjected to a further heat treatment above 100‹ C. before rapidly cooling to the enzymic liquefaction temperature, e.g. 88‹ C. Alfa-amylase may be used as the liquefaction enzyme. Saccharification is preferably effected at about 60‹ C. using amyloglucosidase. The process is illustrated by reference to a flow diagram (not shown).
Patent GB-1279900-A (GB)
Title: Electrical circuit fuse unit
Inventor: TEAGNO WLADIMIRO
IPC: H01R13/68
Filed: 1970-08-18
Abstract: 1279900 Fusible cut-outs: two-part counlings AMP Inc 18 Aug 1970 [17 Oct 1969] 39673/70 Headings H2E and H2G On a printed circuit fuse board 25 edge conbacts 34, interconnected through fusible circuit paths 35, are identical on each face and at each end of the board so that the fuse board may be inserted and used in four positions before being replaced. The fuse board is held by a hook 23 and stud (24, Fig. 4, not shown) in a resilient plastics drawer 17 (Fig. 1) which is slid into a hollow box 1 containing layers of printed circuit boards 6 interconnected at the rear by recessed fork contacts 15. The fuse board projects beyond the rear of the drawer and may be disconnected by partially withdrawing its drawer up to a stop formed by a stud on the drawer (28, Fig. 4) sliding to the end of a groove 30. Of the six contacts 34 at each end of a face of a fuse board three are unconnected so that although each limb of a fork contact 15 (Fig. 2) slides over one contact on each face for ease of insertion, only one of these two contacts is connected to a fusible circuit. Other fork contacts 8 engaging the printed circuit boards 6 are contained in slotted connector blocks 7 which fit into apertures 5 in the hollow box. The box is in two parts (2, 3) held together by fasteners 4. The fuse unit with cartridge fuses instead of printed circuit fuses is disclosed in Specification 1209719.
Patent GB-1434715-A (GB)
Title: 1,1-diaryl-alkene and 1,1-diaryl-alkanol derivatives and methods  for their preparation
IPC: C07C309/73
Filed: 1972-10-23
Abstract: 1434715 1,1 - Diaryl - alkenes and 1,1- diaryl-alkanols WELLCOME FOUNDATION Ltd 29 March 1973 [29 Dec 1971 23 Oct 1972 29 Dec 1972] 39864/75 39865/75 and 39866/75 Divided out of 1434714 Heading C2C Novel compounds (V) in which each of R<SP>1</SP> and R<SP>2</SP> is an optionally substituted biphenylyl, fluorenyl or phenyl group with the proviso that both of R<SP>1</SP> and R<SP>2</SP> do not represent a substituted biphenyl or sub stituted or unsubstituted phenyl group and that when one of R<SP>1</SP> and R<SP>2</SP> is substituted biphenyl, the other is optionally substituted phenyl and (a) Q and G represent a bond and M is CN, CYNR<SP>3</SP>R<SP>4</SP> (where Y is O or S and R<SP>3</SP> and R<SP>4</SP> are hydrogen, C 1-3  alkyl or benzyl) CH 2 -NC, CH 2 NR<SP>3</SP>COR<SP>9</SP> or NR<SP>3</SP>COOR (where R is C 1-4  alkyl, R<SP>3</SP> is as above and R<SP>9</SP> is hydrogen or C 1-3  alkyl), CH 2 Z (where Z is bromo or tosyloxy) or CH 2 NR<SP>3</SP>B (where B is acyl or phenyl) or (b) Q is OH, G is H and M is CH 2 NR<SP>3</SP>R<SP>4</SP> are prepared by methods known per se. Compounds V (R 1 =R 2 =4-biphenylyl, Q and G=bond, M= CONH 2 , CH 2 Br, CN, CH 2 NH-CHO, R 1  = R 2  = 4-biphenylyl, Q = OH, G = H, M = CH 2 NHMe, CH 2 NMe 2 ; R 1 =Ph, R 2 =4<SP>1</SP>-chloro- 4-biphenylyl, Q-OH, G=H, M=CH 2 NH 2 ) are prepared. 3,3 - Di - (4 - biphenylyl) - 3 - hydroxypropionitrile and 3 - (4<SP>1 </SP>- chloro - 4 - biphenylyl)- 3 - p - chlorophenyl - 3 - hydroxy - propionitrile are prepared by reacting the appropriate ketone with acetonitrile in the presence of sodamide.
Patent GB-1485764-A (GB)
Title: Manufacture of electrodes for electro-chemical cells
IPC: H01M12/06
Filed: 1973-08-24
Abstract: 1485764 Coated electrodes UNIGATE LTD 19 Aug 1974 [24 Aug 1973] 40300/73 Heading B2E [Also in Division H1] A process of manufacturing an electrode for a zinc-halogen cell comprises forming a first mix of acetylene black, water, and acetone, forming a second mix of latex and water, adding the two mixes to form a crumbly mix, applying a layer of the crumbly mix to a sheet of expanded anodisable metal, and pressing the layer onto the sheet. The first mix may include zinc chloride solution and the crumbly mix is pressed onto each side of a sheet of titanium mesh. The second mix may include an anti oxidant and sulphur and the electrodes are heated during the process.
Patent GB-937246-A (GB)
Title: Improvements in and relating to methods and apparatus for reconstituting natural or artificial light
IPC: G01J3/10
Filed: 1960-11-25
Abstract: 937,246. Photo-electric colour determinations. C. H. A. GAMAIN. Nov. 25, 1960 [Nov. 26, 1959], No. 40680/60. Class 40 (3). [Also in Group XXXV] A photo colorimeter comprises two cells 41, 42 having selective screens, one, for example, permitting the passage of a red-yellow band of 5650-7000 Š and the other a green-violet band of 4000-5600 Š. The cells are parallel connected to adjusting resistors and capacitors 45- 48 and to coils 43, 44 of a galvanometer which indicates by a pointer 49 and scale 50 the balance of the apparatus for a selected colour of light.
Patent GB-1149245-A (GB)
Title: Nuclear reactors
Inventor: TYRRELL JOSEPH FRANCIS
IPC: G21C5/08
Filed: 1965-09-28
Abstract: 1,149,245. Moderator structures. ENGLISH ELECTRIC CO. Ltd. 26 Sept., 1966 [28 Sept., 1965], No. 41218/65. Heading G6C. In a nuclear reactor in which the graphite moderator assembly is composed of vertical columns of graphite bricks and tubes mounted in a concrete pressure vessel, the moderator is subjected to a longitudinal compression force to prevent bowing. The force may be provided by the pressure of the coolant carbon dioxide gas or by screw jacks. In one embodiment, Fig. 2, the gas pressure is applied, by pistons 23, directly to certain of the graphite columns 14, by the coolant gas in the plenum chamber 19. Each piston comprises a graphite-filled steel box 24 provided with seals 25, which engage the stand-pipes 17. In a second embodiment, Fig. 5, compressive forces are applied to the graphite tube 54 in the fuel channel 52, by the screw jack 64. The bowing of the graphite moderator 53 is prevented by spacers (not shown) between 53 and 54 which transmits the pre-loading force in 54 to the moderator 53.
Patent GB-1206637-A (GB)
Title: A method of preparing road paving material using blown asphalt as base material
Inventor: TAZAKI YOSHIO
IPC: C08L95/00
Filed: 1967-09-11
Abstract: 1,206,637. Asphalt composition. Y. TAZAKI. 11 Sept., 1967 [27 Feb., 1967], No. 41437/67. Heading C3N. Road-paving material is made by mixing blown asphalt, lubricating oil, a fatty acid, zinc white, sublimed sulphur, and CaO, and heating. In an example, water is removed from waste lubricating oil, active clay is added, and the mixture filtered. 3-6% vol. zinc white, based on vol. fatty acid, is added to the fatty acid, and this mixture is heated to 120-150‹ C. 15-20% vol., based on vol. of oil, of this mixture is then added to the filtered oil, and 20- 30% vol., based on vol. of asphalt, of the resulting mixture is added to the fused blown asphalt, which is at 130-180‹ C. After proloned agitation of the mixture, 2-4% vol. S and 10- 35% vol. CaO, each based on the total vol. of the preceding mixture, are added, followed by further agitation. The fatty acid is derived from e.g. fish oil or soya-bean oil. The resultant material has softening point 95.6‹ C., brittle point -19‹ C., and s.g. 1.227.
Patent GB-1514889-A (GB)
Title: Life vest
IPC: B63C9/115
Filed: 1976-10-07
Abstract: 1514889 Life jackets ULBRICH INTERNATIONAL BV 7 Oct 1976 [8 Oct 1975] 41792/76 Heading B7A A life jacket comprises a portion 1 to accommodate the neck of a wearer, and a portion 3 to overlie the chest, both portions being formed as a single body of a foamed copolymer of ethylene-vinyl-acetate containing closed vacuoles, the neck portion 1 having a plurality of connected blocks 1a, 1b, 1c, 1d, and the chest portion 3 having spaced parallel members 3a, 3b, with straps 5a, 5b for holding them in position. The blocks 1b, 1c are larger than the blocks la, 1d, and are located symmetrically on the longitudinal axis of the jacket to provide adequate support for the wearers head, and the member 3b is thicker than the member 3a to provide a righting moment.
Patent GB-949540-A (GB)
Title: Pulp handling devices
IPC: D21F1/00
Filed: 1962-11-05
Abstract: 949,540. Agitating hoppers. CENTRE NATIONAL DE RECHERCHES METALLURGIQUES. Nov. 5, 1962 [Nov. 4, 1961], No. 41808/62. Heading B8S. [Also in Division B1] An apparatus for agitating a suspension or slurry comprises a container 2 with adjustable outlet apertures 6 in its lower part, means 3 for shaking the container horizontally at a frequency of 200-500 c.p.m., and with an amplitude of 1-4 cm., and an inclined discharge shoot 7. Solid material is charged into the open top of the container and water supplied through the pipe 4. The shoot 7 is fixed to the box and its inclination may be varied.
Patent GB-1152689-A (GB)
Title: Process for the Production of Liquid Low Molecular Weight Polymers
IPC: C08F4/68
Filed: 1966-09-20
Abstract: 1,152,689. Liquid polymers of butadiene. CHEMISCHE WERKE HœLS A.G. 20 Sept., 1966 [21 Sept., 1965], No. 41935/66. Heading C3P. Liquid polybutadienes, liquid copolymers of butadiene and other dienes and liquid copoly mers of butadiene and styrene or substituted styrenes having an iodine number at least 90% of that theoretically calculated and at least 95% non-terminal double bonds, at least 65% thereof having cis-configuration and viscosities of from 50 to 30,000 centipoises (at 50‹ C.) are prepared by polymerization of butadiene or copolymerization of butadiene with conjugated dienes containing more than four carbon atoms or of butadiene with styrene or substituted styrenes in inert diluents in the presence of a catalyst comprising at least one diluent-soluble nickel compound and at least one diluent-soluble aluminium compound having the general formula R n Alx 3-n  in which R denotes a hydrogen atom or an alkyl, aryl, or alkylaryl radical having 1-12 carbon atoms, X denotes halogen and n has a value of 1 or 2, if one aluminium compound is used and a value of 0À5 to 2À5 if two or more aluminium compounds are used, the polymerization being carried out in the presence of compounds containing elements of Groups V B  and VIB of Mendeleeff's Periodic System which bear free electron pairs and 0À001 to 1 mole of nickel compound per 1 mole of aluminium compound and 0À0001 to 0À5 mole of aluminium compound per 1 mole of butadiene or 1 mole of the mixture of butadiene and other dienes or 1 mole of the mixture of butadiene and styrene or substituted styrene being used. The catalyst may also include a compound of the formula R n AlX 3-n , where n is 0 or 3. In examples are used as diluents: carbon tetrachloride, benzene, chloroform and hexane; as nickel compounds nickel (11) acetylacetonate and nickel (11) octoate; as aluminium compounds: ethyl aluminium sesquichloride and diethyl aluminium chloride; as compounds bearing free electron pairs: diethylamine, anisol and aniline. The butadiene may contain small amounts of regulating impurities. The catalyst is decomposed with methanol and the polymer purified by washing with acetic acid.
Patent GB-1487566-A (GB)
Title: Compactable control element assembly for a nuclear reacto
IPC: G21C7/103
Filed: 1974-09-26
Abstract: 1487566 Reactor control COMBUSTION ENG Inc 26 Sept 1974 [27 Sept 1973] 41956/74 Heading G6C Neutron absorber rods 38, e.g. for emergency shut-down are arranged in a laterally spaced array and means affords lateral compaction as they move longitudinally and lateral uncompaction when their support member stops. The array thereby avoids any jamming due to possible distortion of the duct through which they move. As applied to a sodium-cooled fast reactor the control element assembly (10, Figs. 1, 2, neither shown) comprises a drive mechanism (12), a drive extension (14), a latching device (16), absorber assembly 18 and a hexagonal housing 20. The housing is arranged for sodium cooling via its lower end, and assembly 18 is supported from a member 40 by pivoted arms, e.g. 94, the arms being supported by hinges 106, see also Fig. 3 (not shown). The deceleration of the rod assembly is assisted by a dash-pot.
Patent GB-1308388-A (GB)
Title: Duel powered vehicle
IPC: B62M1/24
Filed: 1970-09-02
Abstract: 1308388 Dual powered tricycle NORTHEASTERN PENNSYLVANIA RESEARCH & DEVELOPMENT CO Inc 2 Sept 1970 [3 Sept 1969] 42083/70 Heading B7E and B7H In a dual powered vehicle comprising a frame 2 with a stearable front wheel 4 and a rear axle 43, drive from pedels 46 is transmitted to the rear axle via chains 50 and 55 and drive from a motor 31 is transmitted to the rear axle via a belt 34, two sprocket and clutch assemblies 40 and two chains 41. The motor and pedals may be used together or separately. The frame 2 has tubular members 18 and 19 each of which is bent back on itself to from a pair of upper spaced parallel leg portions 18a and 19a. The housing 9 provides support surfaces for the rider's feet by means of legs 9c and a recess 16 for carrying, for example, a golf bag. The motor may be electric, powered by battiers 28 and controlled by a Bowden wire 59 which operates a switch assembly 57 incorporating multiple contacts and a wiper arm, or an internal combustion engine may be used. A coaster brake hub 52 is operated by pedels 46.
Patent GB-1303930-A (GB)
IPC: F16K17/04
Filed: 1971-09-13
Abstract: 1303930 Valves C H HAFELE 13 Sept 1971 [14 Sept 1970] 42520/71 Heading F2V In a safety valve a closure member 2 is loaded by a main spring 3 and an auxiliary spring 5 whose loading is removed when the response pressure of the valve is reached. As shown, spring 5 is compressed by a pivoted arm 10 which is driven via gearing 7, 8 and electromagnetic coupling 12 by electric motor 6. The coupling 12 is energized via a contact 14a of a relay 14 in the circuit of a pressure monitor 16 so that when the pressure rises to the response pressure, arm 10 can move upwardly to release the auxiliary loading. Simultaneous with the opening of contact 14a contact 14b closes to energize solenoid 20 to move bar 21 under the auxiliary spring and contact 25 closes to energize coupling 12 so that the arm 10 is driven downwards to compress the auxiliary spring 5, contact 18 opening to stop motor 6 when the spring 5 is fully compressed. When the pressure falls to below the response pressure relay 14 opens contact 14b to cause bar 21 to retract and allow the auxiliary spring bias to be reapplied. Simultaneously coupling 12 is again energized via contact 14a. Other embodiments are described wherein the auxiliary spring is recompressed and held-off by rods having followers engaging surfaces of a cam driven by the electric motor.
Patent GB-1329111-A (GB)
Title: Actuator for an electronic switch
IPC: H03K17/97
Filed: 1970-09-07
Abstract: 1329111 Proximity switches E MARQUARDT J MARQUARDT H MARQUARDT AND E MARQUARDT [trading as J & J MARQUARDT] 7 Sept 1970 [8 Sept 1969] 42702/70 Heading G1N A proximity switch includes an oscillator the output of which is switched from one stable non- zero amplitude oscillating state to a second stable non-zero amplitude oscillating state when the damping of inductor L1 is varied by an object such as a tool steel plunger. The resulting voltage jump as the state changes at the junction of divider R1, R2 switches off transistor T2 and changes the voltage drop across load resistor R L . In an alternative arrangement, Fig.1 (not shown) the base of transistor T2 is connected to the junction of a potential divider connected in series with an inductor in the emitter circuit of the oscillator transistor T1
Patent GB-862706-A (GB)
Title: Improvements in or relating to devices for holding and applying adhesive tape
Inventor: FROHBACH HAROLD OTTO
IPC: B65H35/00
Filed: 1959-12-16
Abstract: 862,706. Applying adhesive tape. CHARTPAK Inc. Dec. 16, 1959, No. 42769/59. Class 73. A dispenser for adhesive tape comprises a pair of flat circular plates 11, 12 with a roll of pressure sensitive adhesive tape 15 between them on a circular spindle 16 which protrudes from one of the plates and which carries means 13 which hold the plates together; an extension 14 of the plates 11, 12 comprising a set of rollers 17, 18 of which one, 18, protrudes beyond the plates for pressing the tape on to a surface 32; a leg 31 outwardly extending from one of the plates and which when resting on the surface 32 along with the roller 18 and another portion of the plates serves to dispense the tap with its width in a plane parallel to the said surface. The dispenser is intended for use with tapes, including printed or coloured ones, between 1/32 and 1/16 inch wide. Peripheral lugs 22-28 hold the plates apart and one lug, 25, serves to confine the tape against the roller 18. The inside of the plates may be scored fanwise, as at 26, to minimise friction and prevent sticking of the tape. The lug 31 may carry a roller 34. An aperture (Fig. 1, not shown) in plate 12 enables the amount of tape on the roll to be checked visually.
Patent GB-1181616-A (GB)
Title: Reconstituted Mica.
IPC: D21H13/44
Filed: 1968-09-10
Abstract: 1,181,616. Mica paper. GENERAL ELECTRIC CO. 10 Sept., 1968 [6 Dec., 1967], No. 43076/68. Heading D2B. [Also in Division C1] Reconstituted mica is prepared by firing mica flakes at from 650‹C for 60 hours to 830‹C for 5 minutes, cooling to room temperature, forming a suspension of the mica in water, heating to about the boiling point of water, agitating the suspension to shear delaminate the flakes and laying down the delaminated flakes in paper making fashion. The suspension of mica may be formed in water which is above or at room tmeperature but below boiling. The suspension after heating may be cooled preferably to room temperature by draining and adding cold water before agitation. The delamination is preferably accomplished by means of shearing blades, water jet or treatment in a hammer mill.
Patent GB-1509708-A (GB)
Title: Method of and apparatus for sealing filled plastics bags or the like plastics containers by welding
IPC: B29C65/14
Filed: 1974-10-04
Abstract: 1509708 Sealing bags HAVER & BOECKER KG 19 Sept 1975 [4 Oct 1974] 43241/74 Heading B8C [Also in Division B5] The edge 11 of a filled plastics bag is sealed by conveying the bag through a welding station 20 in which the edge 11 is subjected to welding heat in the absence of contact pressure on the edge 11 and then conveying the bag through a cooling station 41 in which the edge 11 is subjected to a coolant fluid whilst being guided through a gap 33 in which the resulting seam 23 can expand in cross-section in a stress-free state, the cross-section of the seam being greater than the thickness of the bag walls. Filled bags are conveyed by a lower belt (not shown) driven in synchronism with conveyer chains 1, 2 driven by wheels 3, 4, tensioned by wheels 5, 6 and guided by rails 7, 8, the rail 8 being resiliently mounted. The edge 11 of each bag projects above the chains 1, 2 and is squared by a blade 12 for cutting a strip 17 off the bag edge, the strip 17 being removed by a conveyer 13. The squared edge is conveyed through the station 20 at which it is subjected to heat from two radiators 20, 21 to form a seam 23, Fig. 3, which, at the exit of the station 20, is guided by polytetrafluoroethylene-coated rollers 24, 25 mounted on adjustable levers 36, 37 and having a gap 40 therebetween, Fig. 4. At the station 41, the seam 23 is guided by chains 30, 31, Fig. 5, guided by rails 34, 35 adjustable to alter the gap 33 therebetween. Cooling air is supplied through nozzles of a blow tube 32. The thickness of the seam 23 can be adjusted by adjusting the width of the gap 33 and by metering the pressure or rate of flow of the cooling air.