baber/WOPTO huggingface dataset:
Patent GB-1453476-A (GB)
Title: Furniture for homes offices show rooms or similar
IPC: A47B3/06
Filed: 1973-10-26
Abstract: 1453476 Cabinets; furniture frames E G RENSCH 26 Oct 1973 [28 Get 1972 15 Nov 1972 17 March 1973] 49980/73 Headings A4B and A4H [Also in Division F2] An article of furniture, e.g. shelving, cabinet or table, includes a component in the form of, or including a part thereof, an extruded bar 1 with a basic cross-section in the form of an H defined by a short web inter-connecting a shorter flange 3 and a longer, parallel flange 2 together defining opposed, identical slots 5, the ends of the flanges 2, 3 being chamfered in common planes which intersect in a plane containing the web 4. In the article of furniture the bars 1 are connected to other parts by coupling members which engage either in the slots 5 or in a further slot provided in the bars 1. In one embodiment, Fig. 5, two bars 1 with bevealed ends 18 form part of a frame of a panel are interconnected by a plate 14 which is ribbed with sawteeth Fig. 9a (not shown) the plate 14 being fitted in further slots 10 provided in the bars 1. Alternatively, Fig. 7, bars 1 have further slots defined between lipped flanges 16, 17, the bars I inter-connected by an angle bracket having serrated limbs engaged in the further slots. In another embodiment, Figs. 11, 12, a table comprises a top 23 provided at its edges with bars 1 having the basic H-section, the slots 5 of the bars 1 being engaged by flanges 25 of brackets. Each bracket has end slots 27 which engage over webs 4 of legs St having parts defining the basic section 1. In a further embodiment, Figs. 20, 21, shelves 32 have edge rails 1 with lower slots 5 engaged by flanges 25 of a generally T-shaped bracket 33 having a slot defining an end portion which fits between ribs 43 in a spacer tube 31. The spacer tube has a dovetail formation 40 engaged in a dovetail slot 38 in a wall mounted rail 30. In a modification the shelving is free standing. A pair of bars with the basic H cross-section may be joined by a pair of clips 69 Fig. 24, each clip having flanges 70 engaged in slots 5 and legs 72, 73 with interlocking teeth 22a, 23a. Anti-slip strips 64 are fitted in the bottoms of the slots 5. The clips 69 may be utilized, Fig. 25, to connect panels P to posts St having parts with the basic H-section. Alternatively, Fig. 24b, a modified pair of clips 94 may be secured together by a screw passed through bores 96 in the clips 94. In a further embodiment, Fig. 30, four panels P1-P4 have edge bars with the basic H-section inter-connected by angle brackets 19 engaged in the slots 5. Each panel is clad with polystyrene foam which penetrates into a further slot 10, a foil 15 covers both sides of the foam. In a further embodiment, Fig. 31, a bracket 19 is further secured by a pin 95.
Patent GB-1531500-A (GB)
Title: Manufacturing opto-electronic devices
IPC: H01L21/306
Filed: 1975-12-05
Abstract: 1531500 Etching PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 5 Dec 1975 [9 Dec 1974] 49996/75 Heading B6J [Also in Division H1] A LED or photoelectric device is made from a Ga 1 -xAlxAs crystal 21, where x<0À3, the crystal being stratified in layers 22a, 22b, 23 of different conductivity types or dopant concentrations, by etching the crystal 21 in a mixed solution of hydrofluoric, nitric and acetic acids. The preferred proportions and strengths of the acids are given and the etching may be purely chemical or it may be accelerated electrolytically. The dopant concentration increases in the direction away from the layer 22a in both the layers 22b and 23, and since the etching rate depends on the conductivity type and the dopant concentration, a substantially frustoconical shape is produced which enhances light emission in the forward direction by total internal reflection.
Patent GB-1241920-A (GB)
Title: Process for preparing buquinolate
IPC: C07D215/56
Filed: 1969-10-13
Abstract: 1,241,920. Ethyl 4 - hydroxy - 6,7 - diisobutoxy - 3 - quinolinecarboxylate. NORWICH PHARMACAL CO. 13 Oct., 1969 [28 Oct., 1968], No. 50084/69. Heading C2C. Ethyl 4 - hydroxy - 6,7 - diisobutoxy - 3 - quinoline carboxylate is obtained by reacting diethyl 3,4 - diisobutoxyanilinomethylenemalonate with a phosphoric acid alkyl ester in which the alkyl group contains up to 3 carbon atoms. Reference has been directed by the Comptroller to Specification 1,035,179.
Patent GB-1508409-A (GB)
Title: Nuclear reactor installation
IPC: G21D5/08
Filed: 1976-12-01
Abstract: 1508409 Nuclear reactor emergency cooling KRAFTWERK UNION AG 1 Dec 1976 [2 Dec 1975] 50186/76 Heading G6C In a nuclear reactor having a primary coolant circuit, a secondary coolant circuit 13 and a first heat exchanger 3 arranged to transfer heat from the primary to the secondary coolant, emergency cooling is provided by means of a second heat exchanger 14 connected to the secondary coolant circuit are arranged to generate steam which is discharged to the atmosphere at 39. As shown, steam is generated in heat exchanger 3 in a pressurized water reactor and normally drives a generator turbine (not shown), heat exchanger 14 being brought into circuit in an emergency. The stem discharged to atmosphere drives a turbine 42 to provide emergency power, e.g. to drive the pumps 32, 26. In an alternative embodiment, the water to feed the output side of the second heat exchanger is drawn from wells through a series of heat exchangers used to provide emergency cooling of various reactor functions.
Patent GB-1208436-A (GB)
Title: Cluster arrangement for rolling mill
IPC: B21B13/14
Filed: 1967-11-07
Abstract: 1,208,436. Rolling. TEXTRON Inc. 7 Nov. 1967 [29 Dec., 1966], No. 50512/67. Heading B3M. A cluster rolling mill includes groups of rolls supported in chocks 25 and 26, the chocks being located in conventional housings and being interchangeable with 2-high or 4-high chock arrangements. A single driving roll 21 or 22 is provided for each work roll 28 or 29, the respective driving shafts 18 and 19, Fig. 2, being appropriate for 2 or 4-high rolling. Alternatively, the work rolls can be directly driven. The arrangement of the work rolls and the intermediate rolls 30-33 enables work rolls of different diameters to be readily exchanged.
Patent GB-1470660-A (GB)
Title: Time interval measurement
IPC: G01R29/02
Filed: 1974-11-15
Abstract: 1470660 Measuring times between pulse centres BRITISH AIRCRAFT CORP Ltd 15 Nov 1974 [31 Oct 1973] 50620/73 Heading G1U In a system for measuring the time between the occurrence of the centres of two pulses or for measuring some function of the times between the centres of a plurality of pairs of pulses, a reference signal is caused either to increase or to decrease at each beginning and end of each pulse at a rate of either zero, x, or 2x. Several examples of the principle employed are described. In the first, Fig. 1, for measuring the time between the centres of two pulses, a reference signal Vo is caused to increase, at the beginning of the first pulse, at a rate x, to continue increasing at the end of the first pulse but at a rate 2x, to revert to the rate x at the beginning of the second pulse, and to remain constant from the end of the second pulse onwards. It then follows that the total rise in level of the reference signal from Vo to VF is proportional to half the sum of the durations of the two pulses plus the time between them, i.e., proportional to t 1  the time between the pulse centres. In a second example, Fig. 2, for measuring the difference between the time t 1  between the centres of the first two of three pulses and the time t 2  between the centres of the second two of the three pulses, a reference signal is varied as shown, and it follows that the net change in the reference level from Vo to VF is proportional to the desired time t 1 -t 2 . In a circuit, Fig. 5, for implementing this example, a counter 12 is stepped by a threshold detector 10 at the beginning and end of each pulse to cause a control circuit 16, 18 to drive an integrator 20 appropriately, the output of the integrator being sampled and held at the end of the sequence. Further more complicated examples are described, and it is observed that each pulse could be a burst of closely spaced short-pulses, the gaps between the short pulses being filled-in by an appropriate monostable circuit.
Patent GB-1211630-A (GB)
Title: Improvements relating to root crop harvesting machines
Inventor: BACKHOUSE JOHN BLYTHE
IPC: A01D17/10
Filed: 1968-10-25
Abstract: 1,211,630. Root crop harvesters. F. A. STANDEN & SONS (ENG.) Ltd. and P. STANDEN. 4 Sept., 1969 [25 Oct., 1968], No. 50793/68. Heading A1F. [Also in Divisions B1-2] A root-crop harvesting machine comprises a screen-conveyer 2 adapted to carry a mixture of root-crop and soil from crop-lifting elements 1 through a series of finger-like projections 8 which are oscillated transversely relatively to the conveyer so as to agitate the mixture to effect separation thereof at the screening surface. The projections 8 are spaced along parallel rods 3-6, which are rotatably mounted. Two rods 3, 5 oscillate by means of linkages 11-14 and an eccentric 15 on a rotating wheel 16. The other two rods 4, 6 oscillate in antiphase to rods 3, 5 by means of linkages 10, 18, 19. Each projection 8 may consist of a bent steel rod covered with rubber or plastics.
Patent GB-1414429-A (GB)
Title: Hydraulic lash adjuster for ic engine rocker arm
IPC: F01L1/24
Filed: 1973-11-01
Abstract: 1414429 Cam mechanisms JOHNSON PRODUCTS Inc 1 Nov 1973 [6 Nov 1972] 50835/73 Heading F2K I.C. engine lubricating oil supplied via ports 32, 34 to the usual reservoir 68 of an hydraulic automatic back-lash adjuster pillar 16 is additionally metered from the reservoir by a flat valve disc 62 and co-operating valve seat face restrictor groove 72 to lubricate the valve gear. As shown, the hydraulic adjuster pillar 16 provides zero lash for an overhead camshaft I.C. engine valve operating mechanism of the type in which a rocker arm 8 has one end 14 pivotally mounted on a plunger 40 extending from the adjuster pillar 16, the other end engaging a valve stem 2, and a portion of its upper surface between its ends engaging a cam 10. In operation, lubricating oil entering the reservoir 68, and via the usual check valve plate 26 into the conventional bottom compression chamber, lifts the valve disc off its lower seat 60 to seat on the upper seat 64 and via face groove 62 meters an oil supply to the rocker arm pivot 14 and via a duct 56 directs a stream of oil to the cam 10. When the engine is not running, and there is no oil reservoir pressure, the valve plate 62 seats by its own weight on the lower face 60, in which position the plate 62 acts as a check valve to prevent ingesting of air into the reservoir 68 during the period of engine start-up before engine oil pressure has been established. More than one groove may be formed in the valve seat face 64.
Patent GB-1070809-A (GB)
Title: Improvements in or relating to data transmission systems
IPC: H04L5/04
Filed: 1964-12-15
Abstract: 1,070,809. Data transmission; transistor pulse circuits. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 15, 1964 [Dec. 16, 1963], No. 51028/64. Headings H3T, H4P and H4R. In a pulse data transmission system pulses from the pulse source 13 received over the lines 23, 37 cause conduction of transistor 51 through transformer 62. The secondary 63 is connected, via a diode 65, poled to conduct on the pulse, to the output terminals 68, 69. On cessation of the signal pulse the collector base junction of transistor 51 and diode 57 are back biased to isolate the line from the transformer circuit, and so prevent spurious pulses produced by the transformer being fed back to the line. Diode 65 also opens on the cessation of the pulse and the resulting high impedance on both primary and secondary circuits of the transformer ensure a quick collapse of flux in the core. The one pair of conductors 23, 37 may be arranged to carry both positive pulses from source 13 and negative pulses from source 14 mixed in resistive pad 31-33. A similar circuit including a transistor 81 and transformer 92 is provided to receive the negative pulses, the connections of the transistor and the diodes being arranged to conduct on the negative pulses and the transformer windings being so poled as to produce positive pulses on the output terminals 98 and 99. The phasing of the positive and negative pulses is arranged so that the pulses from the sources 13 and 14 cannot be coincident. The arrangement prevents common mode interference by the use of the transformers.
Patent GB-1502040-A (GB)
Title: Method of drying a cardboard or a paper web and drying device for applying this method
IPC: D21F/
Filed: 1976-12-07
Abstract: 1502040 Drying paper webs TAMPELLA AB OY 7 Dec 1976 [30 Dec 1975 28 May 1976] 51055/76 Heading F4G In a method of drying a paper or cardboard web 6 by passing it on drying band 4 between two moving, impermeable surfaces 1, 2 having good heat-conducting properties and which enclose the web across its whole width, see e.g. Fig. 3 (not shown), the element 1 is heated, e.g. by steam, and the element 2 is cooled, e.g. by water, to condense water evaporating from the web into the band. The web and band are subsequently separated and water removed from the band by suction boxes 19. The apparatus may comprise two sections I, II, separated by a steam space 20, and the web may be radiantly heated at 15 and passed through a steam chest 16A to drive out air before contacting the surfaces 1, 2. The band 4 comprises metal or plastics wire and may be of finer texture adjacent the web than adjacent the surface 2, see Figs. 4 to 6 (not shown).
Patent GB-1195689-A (GB)
Title: Lamp Failure Warning Circuit
Inventor: HILL WILLIAM FRANK
IPC: H05B37/03
Filed: 1966-11-15
Abstract: 1,195,689. Semi-conductor switching circuits. JOSEPH LUCAS (INDUSTRIES) Ltd. 24 Oct., 1967 [15 Nov., 1966], No. 51140/66. Heading H3T. [Also in Division G4] A lamp failure warning circuit comprises a plurality of series circuits each including a resistor 13, 13a . . ., and a lamp 14, 14a . . ., e.g. the lamps on a road vehicle, the junction of the resistor and lamp in each circuit being connected to operate warning apparatus in the event of any one of the lamps failing. When a lamp fails, its respective diode 16, 16a . . . conducts to switch off transistor 17 and hence switch on transistor 22 and illuminate warning light 23. Further means may be provided, as shown, to indicate failure of the warning light: the currents provided to warning light 23 and further light 23a through 24, 25 and 24a, 25a are normally insufficient to illuminate the lights, but should one of these lights fail, the associated diode 27 or 27a conducts to switch off transistor 17 and switch on transistor 22 and thus illuminate whichever of lamps 23, 23a is still intact. The circuit of Fig. 3 (not shown) is modified to monitor the stop lights, in addition to the other lights, of the vehicle.
Patent GB-1127507-A (GB)
Title: Extruder
IPC: B29C48/29
Filed: 1966-11-16
Abstract: 1,127,507. Screw mixers. SEKISUI KAGAKU KOGYO K.K. 16 Nov., 1966 [30 Nov., 1965], No. 51417/66. Heading B1C. [Also in Division B5] In an extrusion moulding machine, air, moisture and volatiles are removed from plastics material in a vacuum chamber B" prior to the material entering a heatable barrel 16 which houses a screw plasticizer (not shown). The evacuation occurs via a pipe 6. The mouth of barrel 1 which houses a feed screw 2 is closed by a valve 12 urged thereagainst by a spring 21. When a predetermined pressure is built up with barrel 1 material forces valve 12 to open a predetermined amount and discharges into chamber B" in such a way that a material seal is maintained at the mouth of the barrel. The clearance between valve 12 and the barrel mouth is indicated on a dial 40. If a consolidated lump of material forms at the mouth, valve 12 is opened sufficiently to operate a cam switch 31, 32 which itself actuates apiston, cylinder arrangement 26, 38 to rapidly withdraw valve 12 and release the lump. Thereafter the withdrawal movement is reversed and initial operating conditions are re-established on actuation of limit switch 37 by a spring plate 36. In other embodiments the lump removal mechanism is dispensed with and valve 12 is hydraulically or pneumatically operated, Fig. 1 (not shown) spring operated, Fig. 2 (not shown), with spring tension adjustable by rotation of a sleeve (23), or is fixed relative to the vacuum chamber, Fig. 4 (not shown), with the valve comprising a flexible rubber, plastics or metal diaphragm (121). Various forms of the screw plasticizer are described, Figs. 6-10 (not shown), that of Figs. 9 and 10 being preferred and comprising two tapered screws (174) each having at their downstream ends mixing vanes (174'), and arranged such that the clearance between the screws and the barrel decreases downstream.
Patent GB-1503318-A (GB)
Title: Twoway radio systems
IPC: H04B1/46
Filed: 1974-11-27
Abstract: 1503318 Interference reduction W J MULLARKEY 2 Jan 1976 [27 Nov 1974] 51490/74 Heading H4L  In the operation of a two-way radio system there is provided between the aerial (10) Fig. 1 (not shown) and input (12) of the receiver (not shown) an attenuator (14), Fig. 2, bias being provided between terminals 20 and 22 to enable passage of the received signals except upon detection Fig. 3(a) of emanations, from the local transmitter, whose amplitude exceeds a predetermined level, a detector providing the signal Fig. 3(b) which is shaped and extended to provide the signal Fig. 3(d) during whose duration the bias 20, 22 is removed to attenuate the receiver input signal. The arrangement is particularly applied to systems utilizing ssb suppressed carrier. The emanations are detected by means (16) Fig. I (not shown) coupled to the receiver aerial, a separate aerial or to the local transmitter and comprising rectifier (20) differentiator (22) and threshold detector (26) Fig. 4 (not shown) the means (16) being inactive during reception from a remote transmitter. The system, particularly applicable in ship-ship or ship-shore communication, enables substantially simultaneous transmitter and receiver operation.
Patent GB-1567711-A (GB)
Title: Gravitational separator for mixtures of immiscible liquidsof diffreent densities
IPC: B01D17/02
Filed: 1977-12-13
Abstract: An oil-water mixture is fed through a feed line (12, 240, 242) to the separator tank (10). Separated oil flows out through an outflow line (250, 251). Falling water is taken off through an outflow line (214, 216) after it has flowed through coalescer screens (200). The falling water passes into the coalescer chamber (202) with the coalescer screens (200) through non-return valves (210). For backflushing, clean water is introduced through the outflow line (214, 216) into the coalescer chamber (202). This water flows through the coalescer screens (200) and then through the non-return valves (212), into the coalescer hood (250) and from there through the line to the upper part of the tank (10). Because of the non-return valves (210, 212) the separation is improved and, in particular, an upwardly directed flow is obtained during backflushing. A virtually complete removal of the oil droplets from the coalescer screens is thus achieved during backflushing. <IMAGE>
Patent GB-1311990-A (GB)
Title: Refuse compressor
IPC: B30B9/30
Filed: 1970-10-30
Abstract: 1311990 Presses D R LIGH 30 Oct 1970 [11 Dec 1969] 51739/70 Heading B5F [Also in Division B8] A refuse compressor comprises a housing in which refuse is compressed by a sliding platen member as it moves towards one end position, an hydraulic operating system for moving the platen member to that end position at a first speed and under a first pressure and for effecting return movement of the platen member at a higher second speed under a lower second pressure, and control means for selecting the maximum hydraulic pressure valve which is to prevail in the system and for reducing the pressure in the system in response to attainment of the maximum pressure value. In one arrangement, Fig. 1, a housing 1 supported on legs at a small inclination to the horizontal is provided with a hopper 10 communicating with a cut out 9 through which refuse is fed into the housing between a plunger 12a and an end door 4. The plunger 12a is hydraulically operated to compress the refuse against the closed door 4 and any liquid expressed is forced through slots 16 and a screen 18 on the exterior of the housing into a collecting channel formed by a trough-shaped member 19 applied over the screen 18. The door 4 and a platen 12 on the plunger 12a are provided with corrugated drain plate 17 to assist drainage of liquid towards the slot 16 which discharge through the member 19 into a strainer grease trap and clean out unit 23. The latter comprises a settling box 24 having a manually rotatable screen 25 from which liquid flows around partitions 30, 31 to an outlet 32. A removable clean-out plate 23a is provided. The hydraulic operation of the plunger 12a is provided by a double acting piston and cylinder arrangement, Fig. 7, (not shown), which permits a relatively high pressure, slow speed compression stroke and a relatively low pressure, high speed return stroke of the plunger 12a. Control valve mechanism, Fig. 8 (not shown) is provided to maintain a preselected hydraulic pressure in the system. In another arrangement, Figs. 9-12 (not shown), the door 4 is replaced by a removable end cover (4a), and openings in the cylindrical wall of the housing for respectively loading and unloading the refuse are closable by a hinged door (93<SP>1</SP>) and a curved sliding door (94), the latter having an opening which registers into open position with a cut out 92 in the bottom section of the housing.
Patent GB-1058220-A (GB)
Title: Methine dyes and photographic materials containing them
IPC: C09B23/04
Filed: 1964-12-21
Abstract: The invention comprises methine dyes containing at least one sulphonic acid group and that have the formula A-R1-CH = Pz-R2 or A-R1-CH = Pz-R2-Pz1 = CH-R11-A1 wherein A and A1 are each an acylamino group bound to R1 via the nitrogen atom, R1 and R11 are each a benzene residue, Pz and Pz1 are each the residue of a 5-pyrazolone bound to the -CH = group in 4-position and to R2 in 1-position and R2 represents an aromatic residue. The dyes are made by condensing an acylaminobenzaldehyde with a pyrazolone of the formula Pz-R2 or Pz-R2-Pz1.  The latter may be of the formula Pz-R3-X-R13-Pz1, where R3 and R13 are aromatic residues and X is a direct linkage or a bridging group such as-CH = CH-, -NHCONH- or a dicarboxylic acid diamide residue or a triazine or pyrimidine residue. Examples are given including the dyes of the formulae <FORM:1058220/C4-C5/1> AND <FORM:1058220/C4-C5/2>ALSO:4 - (p - Toluenesulphonylamino)benzaldehyde is made by reacting f-aminobenzaldehyde with p-toluenesulphonyl chloride at pH 7.5 to 8.0.