baber/WOPTO huggingface dataset:
Patent GB-947763-A (GB)
Title: Improvements in store contents indicating devices
Inventor: RYDER ANTHONY DAVID
IPC: G06M3/14
Filed: 1959-06-17
Abstract: 947,763. Counting-apparatus. W. M. WADSWORTH & SONS Ltd. May 11, 1960 [June 17, 1959], No. 20748/59. Heading G4D. An arrangement for registering the number of vehicles in an enclosure comprises means arranged to actuate one or more reversible counters on the entry or exit of a vehicle. As described, for counting the number of motor cars in a multi-storey garage, a metal ramp adapted to receive one wheel of a wheeled vehicle and having flanged sides 1 is arranged in the floor of a lift car, the centre of the ramp being supported by a resilient strip 6, which may be of rubber, a screw 5 forming an adjustable stop to co-operate with switch 8. The ramp may alternatively be installed on any desired floor and the floor may be recessed to provide a substantially flush surface for the floor and ramp. Fig. 4 shows part of a circuit for registering the number of cars in a four-storey garage having three lifts, a separate counter being provided for each floor. A contact 13 associated with one of the lifts is closed when a car is in the lift to energize a relay A thereby energizing a sluggish relay B to prevent miscounts due to load bouncing. A contact b when the relay B is energized is closed to energize a relay C provided that contacts 2c2, 3c2, 2d2, 3d2 associated with relays 2C, 2D, 3C, 3D (not shown) for the other two lifts are closed, these contacts preventing operation of relays C or D until completion of any prior operation of any of the corresponding relays of any other lift. A contact c 1 is thus closed and interlock contacts c2, c3 (not shown) are opened. Due to the presence of a capacitor 19 and resistor 17, the relay C operates only momentarily. A contact b 2 is closed when the relay B is deenergized corresponding to the removal of a car from the lift. At a suitable control point are provided electromagnetic counters 61-64, one for each floor having "add" windings 41, 42 &c. and "subtract" windings 51, 52 &c., the appropriate counter being selected by means of a rotary contact arm 20 or 30, a pair of ropedriven rotary contact arms being provided for each lift. The counters may be arranged to indicate either the number of cars stored or the number of spaces available. If all the cars are received and despatched on the ground floor, a counter such as 61 for the ground floor can be provided to indicate the total of cars stores or places available for the whole garage. Alternatively, totalling relays may be provided in the circuits of the counters 61-64 (Fig. 5, not shown). An alternative embodiment is described (Fig. 6, not shown), applicable to a garage having a passage through which all cars entering or leaving must pass, the sequence of operation of two ramp contact devices determining whether addition or subtraction is to take place on a single counter.
Patent GB-1279797-A (GB)
Title: An improved atomizer
IPC: B05B11/00
Filed: 1971-04-19
Abstract: 1279797 Atomizer CHAMPION SPARK PLUG CO 19 April 1971 [6 April 1970] 20765/71 Heading B2F [Also in Divisions A5 and F1] Apparatus for measuring and atomizing a predetermined quantity of liquid comprises an atomizer nozzle 13, means 15 for suppling a flow of compressed gas to the nozzle for atomizing the liquid, a reservoir 11 for the liquid and pump means 20, 21 for measuring and delivering the predetermined quantity of liquid from the reservoir to the nozzle. The pump is operated by squeezing knurled cap 17 towards the body 12 which drives piston 20, against the face of spring 37, into cylinder 21 and forces the predetermined quantity of liquid along tube 29 to nozzle 13. Release of the cap allows spring 37 to return piston 20 to the unactuated position. Relief air opening 16 allows escape of compressed gas to air and can be covered by a finger in use to increase the pressure of gas atomizing the liquid. The travel of the piston and thus the quantity of liquid supplied can be varied by turning knurled cap 17. Calibration markings are provided to indicate the amount of liquid atomized during each stroke. The apparatus may be used to atomize medicaments.
Patent GB-962392-A (GB)
Title: Improvements in and relating to semiconductor rectifying circuit arrangements
IPC: H02M7/06
Filed: 1963-05-24
Abstract: 962,392. Rectifying. PHILIPS ELECTRICAL INDUSTRIES Ltd. May 24, 1963 [May 28, 1962], No. 20795/63. Heading H2F. A rectifying arrangement of semi-conductor rectifiers suitable for use over a wide range of temperature, comprises two parallel branches, the first branch comprising a first rectifier 1 whose forward and reverse resistances for a given temperature are higher than the corresponding resistances of a second rectifier 2 in the second branch, which second rectifier has connected in series with it a temperature dependent resistor 3 the value of which is lower than the forward resistance of the rectifier 1 at room temperature, and at high temperatures is greater than the reverse resistance of the rectifier 2. Curves 1a, 16, 2a. 2b, (Fig. 2), are the forward and reverse characteristics of the rectifiers 1 and 2 and curve 3 is the characteristic of the resistor 3. The rectifier 1 has a high forward resistance at low temperatures and is only suitable for rectification at the higher temperatures. Rectifier 2 has satisfactorily low forward resistance at low temperatures. However, its reverse resistance at high temperatures is unsatisfactorily low and this is overcome by the series resistor 3. The rectifier 1 may be silicon carbide, the rectifier 2 may be silicon or germanium and the resistor 3 may be a barium titanate including a small addition of lanthanum.
Patent GB-1141331-A (GB)
Title: Enhancement of resistance of ethylene sulfide polymers to heat deterioration
IPC: C08K5/57
Filed: 1966-05-11
Abstract: 1,141,331. Stabilized ethylene sulphide polymers. ARGUS CHEMICAL CORP. 11 May, 1966 [28 May, 1965], No. 20937/66. Heading C3R. Compositions comprising an ethylene sulphide polymer and a tin compound having organic radicals attached to tin through oxygen and no tin-carbon bonds show resistance to deterioration at temperatures in excess of 200 C. The organotin compounds include tin carboxylates, phenolates or alcoholates. A compound of a Group II to VIII polyvalent metal of the periodic table is also preferably incorporated and includes oxides, and salts of inorganic and organic acids. Phenols and/or organic phosphites may also be used in combination with the organotin compound, with or without the Group II to VIII metal compound. Many examples of these additive compounds are given. Mixtures of ethylene sulphide polymers with olefin polymers such as polyethylene, polypropylene and polyisobutylene and copolymers with, for example, propylene sulphide, butylene, allyl thioglycidyl ether, thioglycidyl acrylate, isoprene mono-episulphide, vinyl cyclohexene mono-episulphide and butadiene mono-episulphide may be used as well as the ethylene sulphide polymers. Preferably the tin salt is used in amount from 2 to 3% by weight of the polymer.
Patent GB-1261369-A (GB)
Title: Thermoplastic polyester compositions
Inventor: GRAY THEODORE FLINT JR
IPC: B29C33/60
Filed: 1969-04-24
Abstract: 1,261,369. Thermoplastic polyester moulding composition. EASTMAN KODAK CO. 24 April, 1969 [29 April, 1968], No. 21052/69. Heading C3R. A thermoplastic composition comprises a linear polyester having a melting point above 150‹ C. and a second order transition temperature above 0‹ C., and 0À1 to 3% by weight, based on the polyester, of an ester of a mono- or dicarboxylic acid the hydrocarbon group of which contains 8 to 25 carbon atoms, each carboxyl group being attached to a saturated carbon atom, and of an alcohol containing 1 to 10 carbon atoms and 1 to 4 hydroxy groups, each being attached to a saturated carbon atom. Preferably, the ester has a boiling point above 200‹ C., and the alcohol component contains a quaternary carbon atom in the # position with respect to each hydroxy group. The preferred esters are methyl stearate and pentaerythritol tetrastearate. The polyester may be polyethylene terephthalate, poly( 1,4-cyclohexane dimethylene terephthalate), poly(1,4-butylene terephthalate), or poly( 1,4-cyclohexanedimethylene-80 to 100% terephthalate-0-20% isophthalate). The composition may also contain (i) 0À1 to 3% by wt., based on the polyester of a nucleating agent, e.g. the oxides, sulphates, phosphates, silicates, oxalates, benzoates, salicylates, stearates, behenates and tartrates of the metals of Groups I A , II A , II B  and III A , titanium dioxide and carbon black; and (ii) 0À1 to 3% by wt. of an agent which has a synergistic effect in combination with the ester and which may be (a) an alkali or alkaline earth metal salt of a monocarboxylic acid containing 9 to 25 carbon atoms in the hydrocarbon group, the carboxyl group being attached to a saturated carbon atom, (b) talc or (c) asbestos. The preferrred synergistic agent is sodium stearate. The composition may be mixed with up to 50% by wt., based on the total wt. of the mixture, of glass fibres having lengths from 0À4 to 20 mm.
Patent GB-290077-A (GB)
Title: Improvements in dentimeters
IPC: A61C19/00
Filed: 1927-08-10
Abstract: 290,077. Tizzani, F. May 9, 1927, [Convention date]. Teeth, artificial.-An instrument for ascertaining tooth perimeters and contours, of the kind comprising a holder for a wire loop to be passed round a tooth and then twisted, as shown in Fig. 3, so as to close tightly round the tooth, comprises a holder 1 containing a reserve of wire 5 on a reel 8 and fitted with a wedge or cone 2 and screw cap 4 coacting to grip both ends of the wire loop 10. The position of the reel 8 and the nature of the gripping means may be modified.
Patent GB-802911-A (GB)
Title: Improvements in and relating to filter presses
IPC: B01D25/164
Filed: 1955-07-21
Abstract: 802,911. Filter presses. ASSOCIATED PORTLAND CEMENT MANUFACTURERS, Ltd., BISHOP, L. H., and FOSTER, J. W. July 17, 1956 [July 21, 1955], No. 21193/55. Class 46. [Also in Group XXX] In a filter press of the type formed by a plurality of parallel plates which hang vertically and carry rollers on either side to allow them to move along guideways, the plates are separated into groups having chains joining adjacent plates and the end plate or master plate of each group is provided with gripping means to grip a travelling rope or chain which enables the plates of the press to be opened or closed. Fig. 3 shows one such master plate 9 which carries, on each side, a roller 10, and a chain 24 which connects the plates of the group. The gripping means, shown in detail in Fig. 4, comprises a two-armed lever 28 pivoted at 30 having a long arm 32, connected to rod 38, and a short arm 31 which can be made to grip the travelling rope 18 against a fixed jaw 27. The gripping means is controlled by a rod 42, Fig. 3, connected to a bell crank lever 41 connected to levers 34 which are in the form of triangular plates pivoted at 35, these levers being connected to the two-armed levers 28 through rods 37, 38. Lowering the rod 42 by the handle 48 causes the arm 31 of lever 38 to grip the rope 18 and on releasing the handle the gripping means is released by the action of counterweights 51 attached to the levers 34. A rod 48<SP>1</SP> connected to the right hand lever 34 has a lift arm 48 and shoulder 49 at the other end engaging a limit pin 50 to lock the mechanism so that the handle 44 cannot be operated on one side of the plate until an operator on the other side has lifted the arm 48 to release the locking mechanism. For simultaneous operation the gripping mechanisms on both sides of the plate are interconnected by rods 45, 46. In a modification the rope 18 is replaced by a chain, in which case the gripping means is provided by a rod movable vertically to engage between the links of the chain, the control mechanism being similar to the above.
Patent GB-1293847-A (GB)
Title: Improvements relating to video mixers
Inventor: TAYLOR ERIC WILFRED
IPC: H04N9/76
Filed: 1970-05-02
Abstract: 1293847 Television EMI Ltd 8 June 1971 [2 May 1970] 21216/70 Heading H4F A video mixer for providing a cross fade between colour and monochrome signals includes means operative during such a cross fade to add colour bursts to the monochrome video signal. Since many receivers employ automatic chrominance control which works off colour burst amplifitude, a linear fade down of the colour burst would cause a progressive increase of receiver chrominance gain with consequent degradation of picture quality and the present arrangement avoids this, As shown, video signals A and B are supplied via terminals 1, 2 respectively to adders 3, 4 and burst sensors 5, 6 sense whether or not colour bursts are present in signals A, B respectively. If they are present in signal A a signal is sent via OR gate 7 to block a signal from a burst generator 9 from the adder 3 and if they are absent a signal via OR gate 8 similarly blocks the output of generator 9 from the adder 4. Signals derived from the input B control the adders 3, 4 in a similar manner. In addition, when signal A is completely faded down, a signal derived from the mixer control is supplied to the OR gate 8 and a similar signal is supplied to OR gate 7 when signal B is completely faded down. The outputs of the adders 3, 4 are combined in an amplifier 10 in which the sum of the two signals is maintained substantially constant.
Patent GB-479128-A (GB)
Title: A petrol feeding system for a petrol engine
IPC: F02M15/02
Filed: 1936-07-31
Abstract: 479,128. Fuel-supply systems. VERSTEGEN, G. M. July 31, 1936, No. 21231. Convention date, July 6. [Class 7 (iii)] A petrol-preheating device arranged in front of the float chamber or the passage between the heater and the float chamber or both provide such a high resistance to the flow of petrol and the spraying nozzle has such a narrow passage that the passage for the petrol would be too small to obtain the same power using non-heated petrol. The petrol flow is reduced by 10 per cent or more and the petrol is heated to approximately 50-54‹ C. The reduction in the cross-section of the passage between the heater and the float chamber may be 25 per cent or more and that of the fuel nozzle be 10 per cent or more. Fuel to be heated enters a sheet metal container 1 provided with baffles 7 and pierced by the exhaust pipe 5, heating being promoted by fuel tubes 6 crossing the pipe 5. An insulating jacket 11 surrounds the container 1.
Patent GB-405643-A (GB)
Title: Ingot steel structural material for boiler shells and heavily stressed pipes
IPC: C21D9/14
Filed: 1932-07-27
Abstract: Steel alloys for boiler shells and high-pressure pipes contains 0.3-5 per cent of copper and one or more of the following: 0.2-6 per cent of nickel, 0.1-5 per cent of chromium, 0.4-9 per cent of manganese, 0.1-3 per cent of silicon, 0.02-2 per cent of vanadium, 0.2-2 per cent of molybdenum, 0.02-3 per cent of cobalt, and 0.02-3 per cent of titanium.  The total content of the alloying components is preferably not more than 10 per cent, and the carbon preferably not more than 0.6 per cent.  The alloys are annealed by a single heat-treatment below the Ac1 point, for example at 350-700 DEG  C., and the annealing may be interrupted when maximum hardness has been attained or may be continued until the strength has returned to or fallen below its original value.  Reference has been directed by the Comptroller to Specifications 346,029 and 373,453.
Patent GB-849860-A (GB)
Title: Improvements in or relating to semi-conductor rectifier assemblies
Inventor: TIPPLE PETER MORLAND
IPC: H01L23/26
Filed: 1958-07-02
Abstract: 849,860. Semi-conductor devices. ENGLISH ELECTRIC VALVE CO. Ltd. April 24, 1959 [July 2, 1958], No. 21251/58. Class 37 A solidified dessicant ring 10 is mounted in the sealed housing of a semi-conductor rectifier 1 to absorb moisture occluded from the metal surfaces. The rectifier is mounted on a heat sink 2 and has a top piece 3. The hermetically sealed envelope is completed by metal members 4, 5, 6, 7 and a glass ring 8. The apparatus is pumped out and filled with a dry gas through a tube 9 which is then pinched off. The dessicant ring 10 protects the rectifier during brazing operations on the casing. The dessicant is of aluminium sodium silicate which has been subjected to molecular sieving and dried. In a further embodiment (Fig. 2, not shown) the dessicant ring is taller and narrower.
Patent GB-535730-A (GB)
Title: Improvements in or relating to glazing bars
IPC: E04D3/08
Filed: 1939-07-21
Abstract: 535,730. Windows. ROBINSON, KING, & BRITISH CHALLENGE GLAZING CO., Ltd., and STELJES, W. C. July 21, 1939. No. 21292. [Class 20 (iii)]  A bracket member 1 slidingly engages a glazing bar 6 of the section shown, a bolt 12 securing them together, screws through flanges 2 securing the bracket to the purlin. The glass 10 rests on upturned ribs 9 of the glazing bar which has upper and lower ribs 6b for holding a sealing strip 14 in position. In a modification for fixing the lower end of the glazing bar, a shoe or nut 15 engages the bar 6 and is secured to the flat bracket 1 by bolt 12 which by pressing against bar 6 holds the parts securely in position. The shoe 15 is extended longitudinally and turned up at the end and provided with a lead cushion (Figs. 4, 5 not shown). Bracket 1 has on each side pairs of lugs 20 between which are draught fillets 21 comprising a strip of wood and a lead tongue 22 extending from one glazing bar 6 to the next. This form of bracket may be made from pressed sheet metal such as aluminium.
Patent GB-1115224-A (GB)
Title: Discharging silos and the like
IPC: B65G53/18
Filed: 1964-05-25
Abstract: 1,115,224. Pneumatic conveyers. SIMPLEX DAIRY EQUIPMENT CO. Ltd., and J. W. TINLEY. 11 June, 1965 [25 May, 1964], No. 21488/64. Heading B8A. A container 10, Fig. 2, for particulate material has a louvred horizontal floor 13 for the introduction of air horizontally in a direction which moves the material towards the outlet aperture 12 for emptying. The flow of air to a plenum chamber 14 (not shown) beneath the floor is controlled by a slide valve 16. Regions of the floor near to the outlet 12 have the louvres arranged to direct the air flow parallel to the wall 17 for complete removal of all material.
Patent GB-846303-A (GB)
Title: New or improved means for blanking off interior angles of buildings and other structures
IPC: E04F19/04
Filed: 1957-07-08
Abstract: 846,303. Dust shields for corners. MYERS, P. E. Oct. 6, 1958 [July 8, 1957], No. 21574/57. Class 20(2) A flexible strip 1 Fig. 1 or the arms 9-11 of an angle piece Fig. 2 for filling corners are of triangular cross-section and the ends are formed to provide a spigot and socket connection to adjoining parts. A cavity 2 may extend through the strip or arms 9-11 in which are engaged spigots for connecting the strip and arms together. The corner 8 of the strip may be truncated and the exposed face may be flat, concave or convex and the two engaging faces 5, 6 flat or. concave. The strip is shown for fitting to a salient corner Fig. 5 (not shown). The strip may be secured by adhesive such as a pressure sensitive adhesive covered by a tear-off protective strip.
Patent GB-930852-A (GB)
Title: Improvements in fluid relay regulators
IPC: F15C3/10
Filed: 1959-06-23
Abstract: 930,852. Hydraulic apparatus; fluid-pressure servomotor control systems. GPE CONTROLS Inc. June 23, 1959 [June 23, 1958], No. 21575/59. Classes 69 (2) and 135. A fluid relay regulator device comprises an ejector 37 having an orifice 45 through which fluid is directed at a port or ports 30, 31 in a receiver 22, the ejector and receiver being relatively movable to vary the registration of the orifice and ports which are of elongated form whereby the fluid stream between them is substantially of sheet form. The orifice 35 is formed by flanges 43 on a member 38 forming the ejector, the interior of which is connected by ports 50, an annular space 49 and a passage 51 to a supply of fluid pressure. The fluid discharges from the orifice in sheet form and, depending on the relative positions of the ejector and receiver as determined by a rod 71 movable in response to a signal in opposition to a spring 72, passes to one or other or both of the ports 30, 31 and passages 34 to a member to be controlled. The ports 30, 31 are formed by oblique faces on the parts of the receiver and a thin plate 29 clamped between the parts. The plate may be prevented from deforming by projecting shoulders formed on the faces or by corrugated plates, or may be of substantial thickness with the part adjacent the ports tapered to a sharp edge. In other embodiments, the orifice and the ports on the ejector and receiver are straight or part-circular. Reference has been directed by the Comptroller to Specification 843,159.
Patent GB-481191-A (GB)
Title: Manufacture of transparent sheet material and of patterned fabrics
IPC: D06Q1/08
Filed: 1936-08-05
Abstract: Cotton or regenerated cellulose cloth is treated with aqueous caustic alkali of mercerizing strength and with a quantity of a halogen-free a b -alkylene oxide equal to about 30 per cent or more of the weight of cloth to which caustic alkali has been applied, and the damp cloth is subsequently subjected to a hot calendering treatment. Transparent or translucent sheet material is obtained when the treatment is applied to the whole of the cloth.  The treatment may be local in order to obtain patterned fabrics having transparent or translucent areas.  The transparent material may be used as tracing cloth.  Patterned fabrics may be made from woven or knitted materials.  Caustic soda solutions of 20-40 per cent strength may be used.  The alkali may be applied locally by spotting or by printing, and printing pastes containing thickeners such as gum may be used. The alkylene oxide may be used in solution or vapour form.  In an example, cotton cloth is immersed in caustic soda solution, drained, and then treated with a solution of ethylene oxide in carbon tetrachloride which is circulated by means of a pump.  The cloth is soured by acidified brine, washed, dried, damped, and then passed through a single nip hot calendar.  The bowls of the calendar may rotate at different surface speeds.  In another example, cotton cloth, printed with caustic soda paste, is treated with ethylene oxide dissolved in saturated brine.  The material is drained, washed, dried, damped, and then hot calendered.  In another example, a solution of glycide dissolved in acetone is used for the alkylation step. Specifications 249,946, [Class 2 (ii)], and 439,880 are referred to.
Patent GB-631046-A (GB)
Title: Improvements in holders for electric lamps
IPC: H01R33/08
Filed: 1947-08-07
Abstract: 631,046. Lamp-holders. SYLVANIA ELECTRIC PRODUCTS, Inc. Aug. 7, 1947, No. 21699. Convention date, Feb. 28, 1946. [Class 38 (i)] A holder for a double-ended discharge lamp comprises a hollow insulating body 2 having a truncated triangular opening 3 with curved sides 5, in its front face. A reinforcing member 7 extends longitudinally of the body and carries a triangular stud 8 also having two curved sides which projects into the opening 3. A truncated V-shaped opening 28 extending from the top of the body to the top of the opening 3 guides the lamp pins into the latter, whereupon the lamp is rotated to bring the pins into contact with blade contacts 12 normally bearing on opposite sides of the stud 8 and having notches 16 to retain the lamp pins. The contacts are located in the body by projections 22, 23 and by ribs 17 which engage slots therein. The back of the holder is closed by a plate, not shown.
Patent GB-221637-A (GB)
Title: Improvements in steam-heated water boilers or kettles
IPC: A47J27/17
Filed: 1923-08-29
Abstract: 221,637. Fildes, T. S. Aug. 29, 1923. Heating water.- A steam - heated kettle or boiler a provided with a steam coil g has a removable displacer f, so that the water is heated in the narrow space between the displacer and the boiler shell.