baber/WOPTO huggingface dataset:
Patent GB-937456-A (GB)
Title: Improvements in or relating to photosensors
IPC: H01L27/144
Filed: 1959-12-08
Abstract: 937,456. Semi-conductor devices. GENERAL MILLS Inc. Dec. 8, 1959 [Dec 8, 1958] No. 41736/59. Class-37. [Also in Group XL (b)] A" photosensor " device for use in measuring light intensity comprises a grain boundary between two differently orientated single crystals. The boundary is equivalent to a series of edge dislocations which trap electrons and holes in N and P-type materials, respectively, so that the boundary attains a net negative or positive charge. If a voltage pulse of either polarity is applied between soldered contacts on the two crystals the boundary charges up to the pulse voltage and a space charge layer forms on both sides of the boundary. On removing the pulse the charge remains so that on application of a further pulse of the same magnitude only a small capacitive current pulse flows into the device which flows out again on removal of the pulse. If, prior to the second pulse, some of the charge is released from the boundary by photon bombardment the pulse restores the original boundary charge and charges up the associated capacitance. The charging current therefore is a measure of the total number of photons incident on the device between the pulses provided this is insufficient to completely discharge the boundary. Circuit arrangements for measuring the charging current and thus the light intensity are described (see Group XL (b)). Since the capacity of the device is proportional to the reciprocal of the square root of the barrier voltage the integrated light intensity may alternatively be measured continuously in terms of the charge of capacitance of the device between pulses (see also Group XL (b)). To facilitate use in such circuits as indium contact is provided to the edge of the grain boundary. Silicon is suitable for use in photosensors operated at room temperature, germanium for use at liquid nitrogen temperatures and indium antimonide at lower temperatures. The use of other A III  By compounds and silicon carbide is also contemplated. A matrix 86 of 25 cells (Fig. 8) is formed from a plate 94 of semi-conductor material with a grain boundary 88 between its faces by cutting perpendicular sets 90, 92 of parallel grooves through the grain boundary from opposite sides of the plate.
Patent GB-888853-A (GB)
Title: Exhaust silencer
IPC: F01N1/08
Filed: 1959-12-09
Abstract: 888,853. Exhaust silencers. PHILLIPS, E. H. Dec. 9, 1959 [Dec. 30, 1958], No. 41885/59. Class 7(2). An exhaust silencer comprises a hollow casing 5 within which extends a pair of conduits 7, the respective inner extremities 12, 13 of the conduits being spaced apart and each provided with one or more pairs of diametrically opposite openings 11, 10 in their walls, the inner extremity of one or both conduits being deformed to provide a restricted passage 14. The casing may be provided at locations of resonance with swages or stays.
Patent GB-974350-A (GB)
Title: An improved control system for an automatic warehouse
Inventor: RAWLINGS DAVID ERIC JOHN
IPC: B65G1/137
Filed: 1961-11-23
Abstract: 974,350. Sales service. SOLARTRON ELECTRONIC GROUP Ltd. Nov. 23, 1962 [Nov. 23, 1961], No. 41960/61. Heading A4T. [Also in Division G4] In an automatic dispensing system, a perforated order card, Fig. 1, is divided into 160 half columns corresponding to dispensing units for different items, and the six positions in each half-column are allocated to the digits of a binary number, i.e. 32, 16, 8, 4, 2, 1. The card shown bears an order for 20 of No. 4 item. The card is sensed by placing it between 2 sets of row conductors A-F Fig. 2 and a set of 160 column conductors. In the case considered, contact is made between row conductors B, D and the column conductor leading to No. 4 dispense unit through the perforations in the card. Trains of 32, 16, 8, 4, 2, 1 pulses are applied respectively in turn to row conductors A-F so that a total of 20 pulses is sent to No. 4 dispense unit to effect the order. Specifications 924,703 and 740,170 are referred to.
Patent GB-963648-A (GB)
Title: Improvements in or relating to control means for electrical apparatus
Inventor: GURWITCZ DAVID
IPC: H02P7/29
Filed: 1961-11-25
Abstract: 963,648. Control of D.C. motors. SEVCON ENGINEERING Ltd. Nov. 1, 1962 [Nov. 25, 1961], No. 42226/61. Heading H2J. Relates to a control system as described in Specification 950,734, for a battery-operated traction motor, comprising a variable frequency pulse-generating circuit P, the pulses from which are adapted to trigger a gated diode which in turn controls the motor current. A contactor S5 having coil L3 closes, after the pulse rate has reached a maximum value, to connect the motor directly to the battery, a time delay circuit T being provided to prevent premature closure of the contactor if the accelerator pedal is moved suddenly to a highspeed position. The pulse rate is determined by the rate of charge of capacitor C1, the charging current passing through transistor TR5 whose base potential follows the collector potential of transistor TR6, the latter being responsive to the setting of the slider of potentiometer VR1 which is coupled to the accelerator pedal. As the collector potential of the transistor TR6 falls, the pulse rate increases and, when the potential reaches a predetermined low value, transistors TR7, TR8 and TR9 are rendered conductive to energize coil L3 whereby the motor is connected directly to the battery. If the potentiometer VR1 is adjusted suddenly to a position in which its slider has zero potential, the drop of potential at the collector of the transistor TR6 is delayed due to capacitor C6 and diode D7, the gradual fall of potential being reflected by a gradual increase in pulse rate. Diode D9, capacitor C5, and resistor R25 prevent transients from the battery supply being fed into the oscillator circuit.
Patent GB-1017803-A (GB)
Title: Dyeing and printing process
Inventor: CLOUGH DONALD KEIGHLY
IPC: D06P1/673
Filed: 1962-11-08
Abstract: Natural polyamide fibres, especially wool, are dyed with acid or metal-complex dyes by applying the dyes in the presence of hydroxylamine or treating with hydroxylamine prior to dyeing or printing.  The dyes may be reactive dyes and they may be applied together with fluorescent brightening agents, levelling, wetting and wool protecting agents, Glauber's salt and common salt.  The hydroxylamine may be used as such or in the form of a salt e.g. the sulphate.  Examples are given.
Patent GB-1443738-A (GB)
Title: Chemical intermediates
IPC: C07D499/00
Filed: 1973-09-10
Abstract: 1443738 Penicillin and cephalosporin salts ASTRA LAKEMEDEL AB 10 Sept 1973 [19 Feb 1973] 42391/73 Heading C2C The invention relates to a quaternary ammonium salt of 6-aminopenicillanic acid, 7- aminocephalosporanic acid, a penicillin or a cephalosporin wherein the ammonium ion has the general formula in which R<SP>1</SP> is a straight or branched alkyl group containing 3 to 6 carbon atoms, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group and wherein R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP>, which are the same or different, each is straight or branched alkyl group of 1 to 6 carbon atoms, provided that R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP> are each an alkyl group with 3-6 carbon atoms when R<SP>1</SP> is an alkyl group. The ammonium ion is preferably the tetra-n-butyl ammonium ion. The ammonium salts of the invention have antibacterial properties and may be administered in a suitable dosage form with an appropriate pharmaceutically acceptable carrier. The ammonium salts may be reacted with an appropriate ester-forming derivative to esterify the carboxy group and thus prepare the ester of a 6-amino penicillanic acid, 7- amino, cephalosporanic acid, a penicillin or a cephalosporin.
Patent GB-956440-A (GB)
Title: Improvements in fluid pressure actuators
Inventor: BUTLER HENRY JAMES
IPC: B60T11/16
Filed: 1959-12-15
Abstract: 956,440. Fluid pressure brakes; piston packing; stuffing box substitutes. DUNLOP RUBBER CO. Ltd. Nov. 22, 1960 [Dec. 15, 1959], No. 42513/59. Headings F2B, F2F and F2T. A fluid pressure actuator comprising a relatively movable piston and cylinder has an elongated sealing sleeve of rubber or other material of low sliding friction between the coacting parts, the sleeve being restrained axially against movement with respect to one part and having numerous axially-spaced narrow annular grooves in the surface which contacts the other part, and being either bonded to the one part or having similar grooves in the other surface, the second grooves being situated between the first grooves. A brake master cylinder 10 has an inlet 11 controlled by a recuperator valve 12 operated by a rod 19 which holds the valve open when the piston 14 is in the position shown in Fig. 1. A rubber sleeve 26 having numerous axiallyspaced annular grooves 28, 29, to provide multiple sealing means, is retained in a recess 22 in the cylinder by an end wall 23 and the flanged end 24 of a sleeve 25. The sleeve 26 may be bonded to the cylinder or piston and be provided only with grooves 28. Other forms of sleeve construction may provide grooves inclined to the radial planes at reversed angles, a rigid cylindrical reinforcement tube within the sleeve, with the grooves extending to the reinforcement, or the sleeve may be formed with a number of shoulders adjoining the grooves. Alternatively, the sleeve may be bonded or carried by the piston.
Patent GB-1019882-A (GB)
Title: Improvements in or relating to motor-driven compressors
IPC: F04B39/12
Filed: 1962-11-15
Abstract: 1,019,882. Compressors; silencers for gaseous flow. DANFOSS A/S. Nov. 15, 1962 [Nov. 28, 1961], No. 43311/62. Headings FIB and FIN. A component of an electric-motor driven compressor comprises a motor support collar 4 and a cylinder 5 which are incorporated in a single precision cast blank, the component requiring no machining except to the inner surface of a motor drive shaft bearing 1 and the inner surface of the cylinder 5. Holes are cast in the collar 4 for connecting the stator of the motor and in a collar 12 for connecting a cover 9, Figs. 4 and 5 (not shown), by means of rivets or self tapping screws. A crank chamber 7 is surrounded by a ring of muffler chambers 8 closed by the cover 9, the muffler chambers being preferably both for suction and pressure. The front 13 of the cylinder 5 has cast therein holes 15, Fig. 3 (not shown), for fixing thereto a valve plate and a valve cover, and channels 16 for connecting the valve chamber with the muffler chambers. The component is cast from aluminium-zinc alloy or magnesium alloy by chill casting or pressure die-casting. Reference has been directed by the Comptroller to Specification 920,787.
Patent GB-950503-A (GB)
Title: Improvements in or relating to direct current to direct current convertors
Inventor: HARRIS EWEN SIMPSON
IPC: H02M3/315
Filed: 1961-12-05
Abstract: 950,503. Converting. GENERAL ELECTRIC CO. Ltd. Dec. 4, 1962 [Dec. 5, 1961], No. 43492/61. Heading H2F. [Also in Divisions G3 and H3] In a D.C. to D.C. converter, a semi-conductor controlled rectifier 3, a winding 4 of a saturating current transformer 5, a rectifier 6 and the primary winding 7 of a pulse transformer 8 are connected in series across input terminals 1, 2; the output current for a load 16 is derived from a capacitor 14 which is connected to a secondary winding 11 of the transformer 8 over a rectifier 12, and an oscillator 18 produces a continuous train of firing pulses which are applied to the gate of the S.C.R. 3, by way of a control circuit 19 which includes the emitter/collector path of a transistor 23 and the winding 25 of a transformer 21, the base of transistor 23 being connected to a potentiometer 15 in parallel with the capacitor 14. The arrangement is such that transistor 23 is conducting when the voltage across capacitor 14 is below a desired value, whereby control pulses are supplied continuously to the controlled rectifier 3; each time the rectifier 3 fires it is rendered quiescent shortly afterwards by a circuit including transformer 5 and capacitor 10 (see Division H3), so that current pulses supplied to winding 7 of transformer 8 result in a signal in winding 11, which signal is rectified and smoothed, so providing an increased charge on capacitor 14; when this charge is such that the output voltage has the desired value, the collector/emitter path of transistor 23 is rendered non-conducting and firing pulses no longer reach the controlled rectifier 3. The output voltage of the converter is thus maintained at a desired value. A second control circuit 29, similar to the circuit 19, may be provided, this second circuit being arranged to operate in dependence upon load current, as sensed by the voltage drop across a resistor 30, whereby firing pulses are prevented from reaching the controlled rectifier 3 if the load current exceeds a predetermined value.
Patent GB-977813-A (GB)
Title: Improvements in washing line devices
IPC: D06F53/04
Filed: 1962-11-16
Abstract: 977,813. Clothes line supports. W. HESENER. Nov. 16, 1962 [Nov. 24, 1961; March 30, 1962; May 8, 1962; Oct. 13, 1962], No. 43502/62. Heading A4U. An extensible washing line device comprises a plurality of suspension lines 6 connected to and between a drawbar 5 and a preferably spring-biased tubular roller 3 mounted for rotation in a housing 1 whereby the lines 6 are lengthened by movement of the drawbar 5 away from the roller 3, one or more of the housing 1, drawbar 5 and roller 3 being made of moulded plastics or die-cast aluminium as complete ready-for-assembly structural components inclusive of wall attachment holes, bearings for the roller, transverse stiffening ribs 1g for the housing, means on the drawbar 5 for attachment to a wall and to the lines 6, and line attachment holes 3a, 3b, 3f in the roller 3. The roller 3 (Figs. 1, 4, 5) is mounted at its ends in bearings comprising an arch-like recess 1b in the end walls 1a of the housing 1 and spot-welded end closure members 2 and contains a coaxial torsion spring 4 secured at one end to the end wall 1a and having its other hooked end 4a engaging a transverse pin 7 carried by the roller 3. Each line 6 engages the roller 3 through aligned holes 3a, 3b, one hole 3b being larger than the other 3a to allow free passage to a knot 6a on the line 6, and is secured to the T-section drawbar 5 by passing through holes 5h, 5g and knotting. The drawbar 5 acts as a cover for the housing 1 and is provided with holes 5c for engagement with wall hooks. In alternative arrangements (Figs. 6, 7, not shown) the torsion spring 4 is replaced by spiral springs coaxial with and located at the ends of the roller 3. The housing 1 may be screwed to or set into a wall. Alternatively (Fig. 9), the roller 12 may be located on bearing pins 11a, 11b integral with the housing 11. Other arrangements for securing the lines 6 to the roller 3 include the provision of a metal bar bearing on the inside of the roller 3 (Fig. 8, not shown) and having eyelets extending through holes in the roller 3, the provision on the roller of pegs 5k (Fig. 12) or grooved or apertured webs (Figs. 14, 15 not shown) to receive the line ends 6a and the provision of keyhole slots 3f (Fig. 18). In another arrangement (Figs. 17, 18) the roller 3 is provided with internal, longitudinal ribs 3e which are engaged by either a V-member 15 connected to one end of the spring 4 or a widened end of the spring, the other end of the spring 4 being secured to the end portion 2 of the housing 1. In another arrangement (Fig. 19) double hooks 19 are provided on the drawbar 5 and the housing engages by flanges 1i a base-plate 17.
Patent GB-1139882-A (GB)
Title: Registering apparatus for computing systems
IPC: G01G23/42
Filed: 1965-12-31
Abstract: 1,139,882. Counter read-out. HOBART MFG. CO. 31 Dec., 1965 [31 Dec., 1964], No. 43504/68. Divided out of 1,139,881. Heading G4A. In an arrangement for "rolling-out" the contents of various decade counters to printing wheels, the ten pulses necessary are produced as follows: (a) The signal initiating the read-out causes a trigger FF 56, Fig. 1, to change the state, via TT, of a trigger FF 57 and a differentiator D1 produces the first pulse which is applied via a line L57 to the counters. (b) The output of trigger FF 57 also starts the printing mechanism which drives a rotary wiper arm 77 over contacts 78. As the wiper 77 sequentially energizes the contacts 78, trigger FF 57 is repeatedly turned on and off and the differentiator D1 produces the remaining nine pulses. The arrangement forms part of the weighing system described in Specification 1,139,881.
Patent GB-1138717-A (GB)
Title: Improvements in or relating to electro-chemical batteries
IPC: H01M6/38
Filed: 1967-09-25
Abstract: 1,138,717. Deferred action batteries. HONEYWELL INC. 25 Sept., 1967 [30 Sept., 1966], No. 43513/67. Heading H1B. A deferred action battery has a sealed outer casing containing an activator section 20 and a battery section 22 separated, before activation, by a partition including a membrane 32, and means 30 for piercing the membrane to activate the battery, the battery section comprising a cup 40 having a hollow central stem 42, the interior of which communicates with the activator section or piercing the membrane, a plurality of cells 36 of planar form assembled face to face in the cup along the length of the stem, each cell having a hole through which the stem passes, and seals incorporated in the cell assembly between the cells. As shown the cells communicate via ports 44 in the stem and ports 51 in column 46 which supports the activator section, with the activator after rupture of the membrane by the drill lance 30 which is operated by the electrically fired fuse 34. Sealing fillets A-D, Fig. 3, of rubber cement are placed round the inner and outer edges between the separator and anode of each cell and between the anode and cathode of adjacent cells and similar fillets E-F (Fig. 6, not shown) around the leads 13, 15.
Patent GB-1476664-A (GB)
Title: Arc-striking process
IPC: B23K10/00
Filed: 1974-10-09
Abstract: 1476664 Plasma arc furnaces LA SOUDURE ELECTRIQUE AUTOGENE PROCEDES ARCOS SA 9 Oct 1974 [17 Oct 1973] 43734/74 Heading H5H A process of starting a plasma arc furnace having two separated plasma torches 1, 2 outside two respective furnace apertures includes inserting a conductive rod 6 through one aperture to contact the plasma flame 9 of torch 1, connecting a circuit through the rod and torch 1 so that the arc strikes to the rod, the rod then being withdrawn, the plasma extending correspondingly until the plasma 9 comes out of the aperture and is contacted by the plasma flame 9<SP>1</SP> from the second torch 2, when the current is switched from rod 6 to second plasma 9<SP>1</SP>. The furnace rotates rapidly so that the charge 8 is centrifugally thrown to the walls to leave a passage for the plasma. The electrode may be a copper rod, optionally coated with aluminium oxide as high temperature insulant. It may be water cooled, as shown in Fig. 3(a). Retractable bushings 11, Fig. 3(a), or displacable bushings 7, Fig. 1, that remain in place or are consumed during use of the furnace may seal the second aperture to prevent excessive loss of heat during the starting process.
Patent GB-926368-A (GB)
Title: Improvements in and relating to electric airers
Inventor: COOPER JOHN WILFRED
IPC: D06F58/00
Filed: 1960-12-20
Abstract: 926,368. Clothes horses. GENERAL ELECTRIC CO. Ltd. Dec. 20, 1961 [Dec. 20, 1960], No. 43754/60. Class 52 (5). A dismountable clothes airer has a pair of parallel feet 1 of strip metal, upright rods 4 connected by tubular cross-members 6 and strips 7 and an electric heater 9 with feet 10 interfitting with the feet 1.
Patent GB-987281-A (GB)
Title: Basic ketones and process of preparing same
IPC: C07D295/10
Filed: 1962-11-20
Abstract: The invention comprises racemic and optically active compounds of the general formula <FORM:0987281/C2/1> (wherein Ph represents an unsubstituted phenyl group or a phenyl group substituted by one or more substituents selected from lower alkyl, hydroxyl, lower alkoxy, lower alkenyloxy, lower alkanoyloxy, nitro and trifluoromethyl groups and halogen atoms; Am represents a tertiary amino group, and n is 2, 3 or 4) and acid addition salts thereof, pharmaceutical preparations containing them, and their preparation by reacting a ketone of the formula <FORM:0987281/C2/2> with HAm or a salt thereof in the presence of formaldehyde or a reactive derivative thereof, optionally followed by resolution and/or acid addition salt formation.  The term "lower" denotes a group containing up to seven carbon atoms.  The compounds of the invention are stimulants, and may be administered enterally or parenterally in the form of pharmaceutical preparations (e.g. capsules, tablets, solutions, suspensions and emulsions) containing them, with or without other (unspecified) active ingredients, in admixture or conjunction with a carrier.
Patent GB-1172537-A (GB)
Title: Improvements in or relating to Material Cutting-Breaking, or -Moving Machines
Inventor: BRIDEN HORACE
IPC: E02F9/08
Filed: 1966-09-30
Abstract: 1,172,537. Percussive tools. H. BRIDEN. 29 Sept., 1967 [30 Sept., 1966], No. 43914/66. Heading B4C. [Also in Division E1] Earth material is dug or hard masses encountered in civil engineering work are broken down in situ by a reciprocated spade 37 mounted on an arm 56 pivoted at 57 on a vertically swing- able boom 53 carried on a ground-supported chassis 51. The spade may be reciprocated by an hydraulically operated hammer 53 that can be carried in a cradle movable by a jack along the arm. A shovel-carrying dipper stick and boom may be mounted on the chassis or the shovel may be slidably and pivotally mounted on the spade-carrying boom. Specification 1,045,107 is referred to.
Patent GB-1019826-A (GB)
Title: Improvements in or relating to space heating radiators
Inventor: PEARCE GERALD CHURCH
IPC: F24D19/06
Filed: 1963-11-08
Abstract: 1,019,826. Space heating radiators. HENRY WILSON & CO. Ltd. Nov. 4, 1964 [Nov. 8, 1963], No. 44101/63. Heading F4S. A sheet having a heat absorbent front surface and a heat reflecting rear surface is adapted for mounting behind a radiator with the heat reflecting surface remote from the radiator in order to minimize waste of heat radiated from the back of the radiator. As shown an aluminium sheet 13 which may be corrugated or dimpled and which has a blackened front surface 16 and a polished rear surface 15 is suspended by hooks 14 from brackets 12 which retain a paneltype radiator 10 to a wall W.
Patent GB-1371206-A (GB)
Title: Apparatus for use in the manufacture of electrical windings
IPC: H02K15/04
Filed: 1971-09-23
Abstract: 1371206 Making electrical windings; rolling ROBERT BOSCH GmbH 23 Sept 1971 [24 Sept 1970] 44377/71 Headings B3A and B3M [Also in Division G3] An apparatus for making an electrical winding of strip material comprises a rolling mill 12 positioned between a store 10 for the strip 11 and a winding machine 14, a device 13 for measuring the electrical resistance of a predetermined length of strip 11 downstream of the rolling mill or the resistance of a finished winding, and a regulating member 18 arranged to adjust the rolling mill 12 in dependence upon the measured value of the resistance. The adjustment of the mill 12 may be by hand or fully automated. When the resistance of the finished winding is measured, the mill 12 is adjusted for a subsequent winding operation. In the embodiment shown, when the resistance of a strip 11 of copper or aluminium having an anodized, insulating oxide layer, deviates from a desired value, as measured by an instrument 17, the mill 12 is automatically adjusted to maintain the desired value. The strip 11 is tensioned by the motor drive of the supply reel 10 and/or the winding machine 14.