baber/WOPTO huggingface dataset:
Patent GB-1521527-A (GB)
Title: Electrostatographic reproduction methods and machines
IPC: G03G15/02
Filed: 1975-10-31
Abstract: 1521527 Electrophotography XEROX CORP 31 Oct 1975 45375/75 Heading B6C To compensate for the fall off away from the centre of imaging radiation from a projected image or a scanning laser beam impinging on a rotating photoconductive drum, a charging corotron extending across said drum is misaligned slightly, e.g. by about 5 degrees, with respect to a line parallel to the drum axis so increasing the distance between the corotron and the drum surface away from the centre and thus differentially reducing the electrostatic charge applied to the drum away from the centre line of its surface.
Patent GB-1482980-A (GB)
Title: Heterocyclic-substituted chromenopyrazoles their manufacture and use
IPC: B41M5/145
Filed: 1975-10-31
Abstract: 1482980 Heterocyclic substituted chromeno CIBA-GEIGY AG 31 Oct 1975 [13 Nov 1974] 45391/75 Heading C4P The invention comprises compounds of the general formula wherein ring A is a heterocyclic radical optionally containing a further hetero atom, X and Y which may be the same or different are C 1 -C 12  alkyl, C 1 -C 12  alkoxy, phenyl optionally substituted by C 1 -C 4  alkyl, nitro, halogen, amino optionally mono- or di-substituted by C 1 -C 12  alkyl, C 2 -C 12  acyl or benzyl, and ring B is optionally substituted by nitro or 1-4 halogen atoms. Preferably A contains 3-15 ring members and is especially pyrrolidino, piperidino or morpholino, X is 4 phenyl p-substituted by methyl or nitro and Y is methyl or phenyl. They are prepared by reacting a benzophenone compound of the general formula wherein R is H or C 1 -C 4  alkyl with a 1-X-3-Y- pyrazolone and X, Y, A and B are as above. The reaction takes place in presence of an acidic condensation agent at 50-130 C. The compounds are used in pressure sensitive and thermoreactive recording systems.
Patent GB-1030676-A (GB)
Title: Assemblies of components on printed circuit boards
IPC: H01R12/71
Filed: 1962-12-04
Abstract: 1,030,676. Detachably mounting and connecting components. BURNDY CORPORATION. Dec. 4, 1962 [Dec. 12, 1961], No. 45862/62. Heading H2E. A component has contacts, surrounded by a resilient sealing member 40, Figs. 7-11 (not shown), for engagement with printed conductors on a printed circuit board, and has means by which it can be secured to the board. The component 16 may be mounted in a hole 14 in the board 10 and may have peripheral projections, some 34 carrying the contacts and the other 22 including fixing screws, or each serving both purposes. Instead of screws, locking pins may be used and these may pass through the board and into plates which key into the lower part of the component, Fig. 16 (not shown). In another embodiment, Fig. 17 (not shown), one side of the component is slotted to receive the board and the other side has a projection which is screwed to the board and carries the contacts. In other embodiments, Figs. 18-22 (not shown), the component may be secured to a base which is screwed on to the surface of the board and has contacts in its under surface. In all of the arrangements, the contacts are in the form of spring blades which are bent so as to project from the component and the springs are deflected on engagement with the board so that a wiping action takes place. The contacts may be soldered to leads passing through glass seals, Figs. 11 and 22 (not shown).
Patent GB-1004150-A (GB)
Title: Improvements relating to the surfacing of decks and other floors
Inventor: ROBIN PETER HUTCHINSON
IPC: B05D7/16
Filed: 1961-12-21
Abstract: A desk or other floor surfacing comprises an upper layer formed of a water-free liquid cold-setting synthetic resin composition. Example.-The underlayer of slabs of cellular hard rubber is embedded in an adhesive layer with the following composition in parts by weight: .Epoxide resin.100 .Silica powder.200 .Finely divided silica.12 .Liquid organic polysulphide.50 .Amine-type curing agent.25 An adhesive grout spread on the slabs has the following composition in parts by weight: .Epoxide resin.80 .Pine oil.20 .Silver sand.200 .40 mesh sand.200 .Amine-type curing agent.20 Finally, a wearing layer of the following composition in parts by weight: .Epoxide resin.100 .Amine-type hardener.20 .Dry washed sand.545 .Dry pigment, e.g. red iron oxide.5 .Silica flour.110 is applied by trowel to a thickness of about 1/4 inch, making a floor surfacing of about 1 1/4 inches thickness.  Specification 875,891 is referred to.ALSO:A deck or other floor surfacing comprises an underlayer of a cellular hard rubber composition adhered to the deck or other floor base and to an upper layer formed of a water-free liquid cold-setting synthetic resin composition.  The preferred underlayer is ebonite with a closed cellular structure and a compressive strength at least 30 lbs. per sq. inch.  The preferred upper layer is based on epoxy or polyester resins and may be applied in two layers with a metal synthetic fibre, glass or textile fibre mesh therebetween.  Example.  The deck is primed with an adhesive grout comprising natural rubber latex, aluminous cement, mineral fillers and p  vulcanizing agents for the rubber.  A levelling layer of stabilized rubber latex, Portland cement and sand is applied if necessary.  The underlayer of slabs of cellular hard rubber having a compressive strength of 100 lbs. per sq. inch is embedded in an adhesive layer with the following composition in parts by weight: .Epoxide resin.100 .Silica powder.200 .Finely divided silica.12 .Liquid organic polysulphide.50 .Amine-type curing agent.25 An adhesive grout spread on the slabs has the following composition in parts by weight: .Epoxide resin.80 .Pine oil.20 .Silver sand.200 .40 mesh sand.200 .Amine-type curing agent.200 Finally a wearing layer of the following composition in parts by weight: .Epoxide resin.100 .Amine type hardener.20 .Dry washed sand.545 .Dry pigment, e.g.. .red iron oxide.5 .Silica flour.110 is applied by trowel to a thickness of about 1/4 inch, making a floor surfacing of about 1 1/4 inches thickness. Specification 875,891 is referred to.
Patent GB-1357277-A (GB)
Title: Door with fastener
IPC: E05C19/00
Filed: 1972-10-10
Abstract: 1357277 Hinged doors; door fastenings BELGISCHE WERKHUIZEN VYNCKIER GEBROEDERS 10 Oct 1972 [12 Oct 1971] 46670/72 Heading E2A A door comprises a polyonal flat body 1, at least one hinge 5 which is attached to the body and a door fastening device which comprises at least one shaft 24 rotatably arranged adjacent to a body edge in parallel relationship therewith, at least one bearing for the shaft, at least one wing 25 which is connected to the shaft for rotation therewith, and at least one operating mechanism connected to the shaft and for rotating the shaft. The wing or wings extend substantially from one end of the adjacent door edge to the other interrupted only by the shaft bearing or bearings and the operating mechanism or mechanisms. As shown the shaft 24, in end bearings 27, is non-rotatably secured to a sleeve 21 by means of a rib 23 and groove 26 connection, the sleeve having two teeth 22 either one of which may engage in one or other of two grooves formed in a slide 13 reciprocated, to rotate the shaft, by the turning of an eccentric 17 working in a recess 16 in the slide, the eccentric being secured to a shaft 18 carrying a handle 20. The shaft carries the wings 25 which are formed with thickened end portions 31 which, in the door closed position, engage the flange 36 of a case or box 34.
Patent GB-1208425-A (GB)
Title: Improvements in or relating to power plant
IPC: F22B29/06
Filed: 1967-10-20
Abstract: 1,208,425. Feedwater heating; heating air for combustion. BABCOCK & WILCOX Ltd. 20 Oct., 1967 [20 Oct., 1966 (2)], No. 47963/67. Headings F4A and F4B. [Also in Division F1] The invention relates to a power plant comprising a steam turbine having a relatively high pressure stage and a relatively low pressure stage, steam generator means for supplying superheated steam, the steam being passed in series flow through the high and low pressure stages of the turbine, means for bleeding steam from the low pressure stage of the turbine, the bleed steam being utilized for feed water heating also for preheating combustion air being supplied to the combustion section of the steam generator, there being further means for heating the feed water in a flue gas cooler by combustion gases exhausting from the combustion section of the steam generator. In Fig. 1 the plant comprises a steam generator 1 having an economizer 2, a superheater not shown, also a reheater 4, superheated steam passing through line 5 to the HP turbine stage 6, the steam then passing to the reheater 4 and then to the LP turbine stage 7. Steam from the turbine stage 7 is condensed in condenser 8 and is then supplied by condensate pump 9 through line 10 to the feed water heater 11 where it is heated by steam bled from the LP turbine 7 at 12. The feed water is now divided into two streams in parallel flow, one stream q 2  passing through a second feed water heater 13 where it is heated by steam bled from the LP turbine at 14, the feed water then passing to de-aerator 15. The second stream q 1  passes through a heater 3 through which combustion gases from the steam generator are discharged thus constituting a flue gas cooler. The feed water discharges from the heater into the de-aerator 15 together with the first stream q 2 , the total feed water then passing through feed water pump 16 and economizer 2 to the team generator. Steam bled from the LP turbine at the points 12 and 14 is also utilized to preheat combustion air in the heaters 19 and 20 respectively, the air being supplied by blower 17 through line 18. In Fig. 2, (not shown), the feed water stream q 2  discharging from the feed water heater 13 is passed to the heater 3 and rejoins the feed water stream q 1  at an intermediate point on the heater. In Fig. 3 an auxiliary steam generator 21 is provided in the combustion gas flow upstream of the heater 3, steam from the generator passing through the line 23 to the de-aerator 15. The burner of the steam generator 21 is indicated at 22. The plant in Fig. 4 is similar to that of Fig. 1 except that a distributer D responsive to the temperature T of the steam in the superheater 4a is provided to control the proportions of the steam flows q 2  and q 1 . An auxiliary steam generator may be provided as in Fig. 3, the flow of steam to the de-aerator 15 through line 23, or the supply of fuel to the burner 22, being controlled in dependence on the temperature T of the steam from the superheater 4a.
Patent GB-1481814-A (GB)
Title: Image intensifier tube device
IPC: H01J31/50
Filed: 1974-11-06
Abstract: 1481814 Image intensifier tubes OPTISCHE INDUSTRIE DE OUDE DELFT NV 6 Nov 1974 [16 Nov 1973] 47994/74 Heading HID An image intensifier device includes one or more intensifier tubes comprising photosensitive electron emitter layer 13, electrically conductive rim 14, focussing means including flange 3 frit sealed to window 1 (e.g. fibre optic type) and connected to electrically conductive cylindrical member 5, and vaporized layer 18 between rim 14 and the flange 3-member 5 assembly of high R and low C so that upon sudden increase in the incident intensity which may cause anode burnout, the voltage difference between the above members causes defocussing and/or deflection of the electrons. Operation at low light levels, invisible to visible conversion, and sudden radiation increases due to shell explosions are disclosed. Layer 18 may extend around all or part of rim 14. Resistive layer 18 may be combined with external resistive means, and may have a non-linear characteristic so that for current increases up to about ten times, the volt drop does not exceed a few volts, whereas for currents >ten times, the resistance correspondingly increases. The assembly connected to the negative terminal of the voltage source, may be in two sections mutually insulated, layer 18 being included in only one, a sudden current increase resulting also in lateral beam deflection. Current, resistance, capacitance and voltage values are exemplified. In Fig. I (not shown), flange 10 is frit sealed to fibre optic window 12 and phosphor layer 15 is aluminized.
Patent GB-1457145-A (GB)
Title: Permanent magnets
IPC: H01F1/055
Filed: 1974-11-11
Abstract: 1457145 Sintered magnetic alloy HITACHI METALS Ltd 11 Nov 1974 [12 Nov 1973] 48733/74 Heading C7A A permanent magnet of composition:- wherein the Sm may be replaced in part by and the magnet which is produced by sintering has an absolute value of the reversible magnetization temperature coefficient of not more than 0À03% per C in the range -50C to 100C. The alloy may be produced by arc melting, crushing to fine powder, pressing at 10 tons/cm<SP>2</SP>, sintering for one hour at 1180C in argon, cooling 900C at a cooling rate of 2C/minute and subsequently cooling using an argon gas quench.
Patent GB-1215166-A (GB)
Title: Improvements relating to motor vehicles
IPC: B60J10/265
Filed: 1968-10-17
Abstract: 1,215,166. Protecting guards. DAIMLERBENZ A.G. 17 Oct., 1968 [20 Oct., 1967], No. 49245/68. Heading B7B. [Also in Division E1] A windscreen pillar 1, or the adjacent windscreen surround 7 is provided with one or more lips 3, 8 to form channels 6, 9, which convey water &c. from the windscreen sides down to its lower edge whence it is conveyed rearwardly along a downwardly facing channel formed in door at the waist line.
Patent GB-1372373-A (GB)
Title: Device for removing a cured tyre from a curing mould
IPC: B29C35/02
Filed: 1971-10-26
Abstract: 1372373 Moulding tyres BRIDGESTONE TIRE KK and KOBE STEEL Ltd 26 Oct 1971 [26 Oct 1970] 49590/71 Heading B5A A device for removing a cured tyre 1 from a mould 3, 4 mounted on a stand 5 comprises a column 101 supporting an armature 102, 106 movable along the column axis by a pistoncylinder mechanism 103, 109; the armature incorporates latching means 105 movable radially to engage or disengage notches 124 in a bead ring 7. With the latching, means engaged, the cured tyre is held on the mould part 3 when the part 4 is raised; the tyre is removed from the part 3 by raising the bead ring by the mechanism 103, 109. The latching means includes a pair of diametrically opposed sector-shaped plates movable radially by pivoted levers 116 driven by a spool 114 attached to the piston-rod of a piston-cylinder mechanism 113. During curing, hot water is fed into a bladder 8 via pipes 110, 111.
Patent GB-1395136-A (GB)
Title: Gas discharge apparatus
IPC: H01J17/49
Filed: 1973-10-26
Abstract: 1395136 Matrix displays PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 26 Oct 1973 [31 Oct 1972] 49900/73 Heading G5C [Also in Division H1] Display apparatus comprises a gas discharge panel including intersecting arrays of cathodes and anodes 3, 5, 7 ..., 35, 37, 29 ..., an array of auxiliary anodes 19, 21, 23 ... parallel to the cathodes, the auxiliary anodes and cathodes each being connected in groups to a control circuit 59, 65 which supplies synchronized waveforms for scanning the panel with an auxiliary discharge extending along successive cathodes between the cathodes and auxiliary anodes. At the beginning of each scan period pulses are applied to cathode 3 and auxiliary anode 19 to provide an ignition voltage. Pulse trains are applied to the remaining electrodes to move the discharge across the panel. In other embodiments alternate adjacent cathodes or every third auxiliary anode and every second cathode are grouped together. In such embodiments the duration and spacing between pulses applied to the cathodes and auxiliary cathodes may be different.
Patent GB-1165038-A (GB)
Title: Electrophotograpic Developing Process.
IPC: G03G13/10
Filed: 1967-11-02
Abstract: 1,165,038. Electro-photographic reversal development. FUJI SHASHIN FILM K.K. Nov.2, 1967 [Nov.2, 1966], No.49950/67. Heading G2H. An electro-photographic reversal development is carried out while an external voltage is applied across the charged and imagewise exposed photo-conductive layer in a sense to oppose the charge image on the layer, the external voltage either being varied in dependance on the attenuation characteristic of the photoconductive layer under the conditions of development so that its magnitude at any time is equal to or less than the instantaneous electrical field produced by the charge image at areas of maximum charge density or being held constant at a magnitude equal to or less than the electrical field at the areas of maximum charge density at the commencement of development minus the attenuation that occurs during development. Development may be with a powder or liquid developer.
Patent GB-1491007-A (GB)
Title: Automatic clamping of moulding boxes
IPC: B22C21/08
Filed: 1974-11-19
Abstract: 1491007 Clamping mould boxes BADISCHE MASCHINENFABRIK GmbH 19 Nov 1974 [28 Nov 1973] 50071/74 Heading B3F Apparatus for clamping mould box parts 3, 4 comprises clamps 5 which for attaching and removing are held by members 6 pivoted to a yoke 8 movable horizontally along rails 16 and vertically by means of jack 17, the clamp 5 holding the box parts together by the tension of spring 25 acting between the boss 27 in recess 13 of the upper box part and the bolt head 10 acting on a bearing portion 12 of either a supporting plate 1 (Fig. 1) or the lower box part (Fig. 2). To disengage the clamp 5 with the member 6 in the position shown in Fig. 2, jack 7 acts upon member 24 to push bolt head 10 away from its engagement position, (Fig. 3, not shown), whereupon the yoke 8 is raised by jack 17 so that the lower arm of member 6 engages the sleeve 26 and thus lifts boss 27 (Fig. 4, not shown). The member 6 carrying the clamp 5 may now be swung outwardly by jack 9. The process is reversed for applying the clamps, after which the members 6 are removed and the clamps left in place.
Patent GB-1213869-A (GB)
Title: Method of and apparatus for moulding articles
Inventor: SPAAK ALBERT
IPC: B29C44/42
Filed: 1968-10-23
Abstract: 1,213,869. Injection moulding. ALLIED CHEMICAL CORP. 23 Oct., 1968 [31 Oct., 1967], No. 50279/68. Heading B5A. Injection moulding apparatus comprises means for injecting moulding material into a mould cavity 33 through an injection passage 38 and means 39, 40, 42, 43 for forcing excess moulding material from the mould and compressing it for use in a subsequent moulding operation. If the injected material is formable a pressurized gas e.g. Nitrogen may be introduced through a passage 41 into the mould cavity 33 to prevent foaming during injection. A relief valve 45 is preset at a value greater than the vapour pressure of the blowing agent and less than the injection pressure. The valve 45 allows excess gas to be exhausted as injection proceeds. During injection the mould sections 30, 32 are heated by elements 50. Pressure is maintained by means of an injection screw 58 until a skin is formed on the article being moulded, the thickness of the skin being controlled by regulating the temperature by an appropriate balance of hot and cold fluids flowing through passages 50, 51 respectively. When the screw 58 is retracted (by a piston 69) the unfoamed material contained within the hardened shell expands and forms a foamed central portion. Excess material flows back through sprues 44 and runner 38 into the injection cylinder 53. Fluid motors 42, 43 are then actuated to advance pistons 39, 40 into the runner 38 to cover sprues 44, recompress material therein and force excess material back towards cylinder 53. The heating rate of the heaters 50 is then lowered and the moulded article cooled and hardened by cold fluid in passages 51. The moulding material may be e.g. polythene, polypropylene, nylon or polystyrene, and the blowing agent may be e.g. azodicarbonamide, a low boiling point alcohol such as methanol or propanol, dimethyl ether and chlorofluoroalkanes such as 1,2- dichlorotetrafluoroethane.
Patent GB-1278784-A (GB)
Title: Improvements in the determination of the turbidity of liquids
Inventor: BURROWS SYDNEY
IPC: G01N21/53
Filed: 1968-10-23
Abstract: 1278784 Turbidity of liquids DISTILLERS CO (YEAST) Ltd 15 Jan 1970 [23 Oct 1968] 50389/68 Heading G1A A method of apparatus for determining the content of solids of above a predetermined particle size suspended in a stream of liquid, comprises passing a part of the suspension through a flow cell and measuring its reflectivity or transmissivity, passing the same or another part of the suspension through a separator, which separates the solids of above the predetermined particle size from the liquid, and then passing the resulting liquid through a flow cell and measuring the reflectivity or transmissitivity again, the difference in the measurements providing a measure of the turbidity caused by the solids of above the predetermined size. In an embodiment, Figure 1, comprises a separator 11, flow cells 10, 15 and cocks 3, 8, 16 and 19, the cocks are first arranged so that the suspension flows through both flow cells 10 and 15 so that a zero difference can be registered on balancing bridge circuits (box 29). The turbidity measurements are effected by a common light source 21, heat filters 22, photo-slits 23, 24 and detectors 25, 26. The suspension can be passed through one flow cell via the separator 11 to the other flow cell, or it can be divided into two parts; one part passing through one flow cell, the other part passing via the separator 11 to the other flow cell. The difference in the outputs of photo-cells 25, 26 give an indication of the absorption of the particles retained by the separator 11 and hence an indication of the content of these solids in the stream flowing through the pipe 1. In an alternative embodiment employing a rotating sectored disc Fig. 2 (not shown) a single photo-cell (37) is energized alternately by light transmitted through each of the cells in turn.
Patent GB-1006593-A (GB)
Title: Improvements in or relating to amidino hydrazones and the manufacture thereof
IPC: C07C281/18
Filed: 1963-12-23
Abstract: The invention comprises compounds of the general formula <FORM:1006593/C2/1> <FORM:1006593/C2/2> wherein X is chlorine or bromine and n is 1 1 or 2, and the acid addition salts thereof.  The compounds are made by reacting an aldehyde of the formula <FORM:1006593/C2/3> <FORM:1006593/C2/4> with aminoguanidine, or a salt thereof, preferably in the presence of an acid and/or an inert solvent.  Suitable acids are nitric, sulphuric and hydrochloric acids which give the corresponding acid addition salts of the novel compounds as the initial reaction products from which the free bases can be obtained by neutralization with alkali.  Examples describe the preparation of 1-chloro-3,4-dihydro-2-naphthaldehyde and 2-chloro-3,4-dihydro-1-naphthaldehyde-amidino-hydrazone nitrates. Specification 391,141 is referred to.
Patent GB-1503898-A (GB)
Title: Process of manufacturing sodium lactamoaluminates
IPC: C08G69/20
Filed: 1976-12-06
Abstract: To prepare sodium lactamoaluminates of the general formula (I> NaAl(OCH2CH2OCH3)xL4-x (I), where x, L and n are as defined in Patent Claim 1, an excess of lactam of the general formula LH is reacted with at least one compound from the group consisting of NaAlH4, Na3AlH6, NaAlH2 (OCH2CH2OCH3) 2 and NaAl(NH2)4 in an aromatic hydrocarbon. The molar ratio of the lactam to the hydridic hydrogen H<-> or to the (NH2) group of the aluminates listed is between 1:1 and 2:1.
Patent GB-1330668-A (GB)
Title: Bearing seals
IPC: F16D3/38
Filed: 1970-10-27
Abstract: 1330668 Rotary shaft seals NADELLA and A PITNER 27 Oct 1970 [28 Oct 1969] 50910/70 Heading F2B A device sealing a needle bearing, in for example a universal joint, comprises an elastomeric sealing ring 9 which is fixed to a flange 8 of the bearing ring 1 and compressed upon assembly between a first cylindrical surface of the shaft or trunnion 6 and a cylindrical collar 12 fixed on a second cylindrical surface of the shaft. As shown in Fig. 1, the sealing ring 9 is fixed to the flange 8 by vulcanization or adhesion and the collar 12 is made of steel. In Fig. 5, the collar 12 is made of plastics material and the sealing ring 9 is fixed by forming over the flange 8 to compress a bead 23 of the ring against a retaining washer 24.