baber/WOPTO huggingface dataset:
Patent GB-1223450-A (GB)
Title: Controlling circuit for ac motor
IPC: H02P23/00
Filed: 1968-12-24
Abstract: 1,223,450. Control of A.C. motors. TOKYO KEIKI SEIZOSHO K.K. 24 Dec., 1968 [30 Dec., 1967 (4)], No. 61396/68. Heading H2J. When a triac TC1 is made conductive, motor windings 103, 104 which are interconnected through capacitor 105, are energized to drive the motor in one direction, the motor being reversed when triac TC2 is triggered. Thyristors S5, S6 are made conductive, when both the triacs TC1, TC2 are non-conductive, whereby the motor windings are supplied with directcurrent for braking. The thyristors S5, S6 may be replaced by a single thyristor. The signal generator 113 may comprise a transformer having its primary winding subjected to the voltage across the capacitor 105 when the motor is driven. The secondary winding of the transformer energizes a bias circuit to prevent conduction of the braking thyristor. When the motor is no longer driven, the voltage across the capacitor drops to zero, whereby the braking thyristor becomes conductive. In another arrangement, two transformers have their primary windings connected in parallel across the triacs TC1, TC2 respectively, whereby the transformers are energized when the triacs become non-conductive. Due to the outputs of the transformers, current passes from a D.C. source through a zener diode to the gate of the braking thyristor. The D.C. source may be formed by rectifying the output of source 101. In a further embodiment, three triacs are non- conductive when there is no input signal two of the triacs being in circuit with the motor, and the other serving to short-circuit, when it conducts, the triggering circuit of the braking thyristor. A diode logic circuit ensures that the third triac conducts when the triacs TC1, TC2 are made conductive. The third triac may be fired through a transformer or capacitor network, the capacitor serving to control the conduction period of the braking thyristor, so dispensing with the safety resistor R1. In a further modification, the conduction angle of the triacs TC1, TC2 is controlled by adjusting the discharging time of a capacitor to regulate the braking current applied to the motor. Another example relates to an arrangement in which a thyristor is rendered conductive to supply direct-current to the motor when triacs TC1, TC2 are non-conductive, thus blocking a further thyristor in series with the motor. The motor may be wound with three phases.
Patent GB-1286900-A (GB)
Title: Improved structural unit, and method and apparatus for producing same
IPC: B21D39/03
Filed: 1970-12-29
Abstract: 1286900 Making structural units; seaming HUNTER DOUGLAS INTERNATIONAL NV 29 Dec 1970 [29 Dec 1969] 61633/70 Headings B3A and B3J [Also in Division E1] A structural unit composed of two pairs of structural members 2, 3, 4, 6 has one of the pairs of members 2, 3 formed with longitudinal slot structures along its marginal edges to receive the edges of the members of the other pair and hold them by deformation of at least the members of one pair. The members 2, 3, Fig. 1, are extruded aluminium or aluminium alloy sections with a central web and marginal shoulders in which the slots are formed. The members 4, 6 are aluminium or aluminium alloy strips fed from reels 13, 14 through guide bars 76, 77 to positioning rollers pairs 101-103, 106-108 for the members 1, 2. The rollers are mounted on upper and lower frames 26, 22 which are relatively adjustable for different unit heights. The members are united by rollers 116, 117 provided with spaced projections which deform the outer wall of each slot to close the slot on to the edges of the members 4, 6 at spaced intervals. The deforming rollers are each backed up by a pair of rollers (142), (143), Figs. 8, 10, 12 (not shown), which engage against the shoulders of the members 1, 2. The structural unit may be curved by rollers at the exit station 11 of the apparatus to compensate for loading. The unit is cut to the required length by a saw 181. In a modification of the joint between the members 2, 3, 4, 6, Fig. 13, the outer wall 213 of the slot structure is formed with ribs to guide the deforming roller which is, also aligned by the flange 211 on the edge of the extruded members 2, 3. The metal between the ribs is forced into a slot 217 on the inner wall of the slot structure. The outer wall may have a projection 226, Fig. 19, to deform the member 216. The strip members are preferably corrugated, Fig. 17 (not shown), to give rigidity to the unit. The strip members may be provided with expandable ribs, 232, Fig. 21, which are deformed by projections 226 on the inner wall of the slot structure. The units are used as beams for roofs 235, Fig. 21, and the strip members 231 can support a ceiling member 236 to define a space 238 filled with insulating material. The members of the unit may be given a wood pattern or covered by a decorative cover, Fig. 26 (not shown). End caps (261), Fig. 27 (not shown), may be provided.
Patent GB-2003379-A (GB)
Title: Wall storage system
IPC: A47F5/08
Filed: 1978-09-01
Abstract: A wall storage system makes use of a support rail (10) horizontally attached to a wall. The rail may be offset from the wall between its ends and has one or more vertical grooves (12) across its width. One or more brackets (20) formed with a U-shaped arm section (21) to support a load are attached to the rail by an inverted U-shaped fastener section (25). A protrusion (27) at the open end of the fastener causes it to grip the rail and yet permits the bracket to be mounted on the bar at the groove. Once the bracket has been slid along the rail out of the groove area, it is captured on the rail and provides firm support port for the load. <IMAGE>
Patent GB-2029311-A (GB)
Title: Apparatus for incorporating networks in a matrix
IPC: B28B23/00
Filed: 1978-09-06
Abstract: The apparatus includes three or more rotary vacuum drums 16 mounted on an indexable spider 18 movable between three stations. At station A network is wound in layers on to a drum at that station while vacuum is applied thereto and at station B a matrix of cementitious material is sprayed on to the network while vacuum is still applied to the drum. At a third station C the green sheet of matrix and network is stripped and removed on a pallet 36. The apparatus is continuously operable. <IMAGE>
Patent GB-2006002-A (GB)
Title: Shower units
IPC: A47K3/36
Filed: 1978-10-10
Abstract: A fabricated shower unit comprises two panels 8, 9, fig. 2, which are connected together by a frame 5 and which define a hollow interior in which the water control valve 6 is housed with the flow and temperature controls extending to the outside of the parcels for the user. The interior also provides an enclosure for the plumbing pipes which are conducted internally from the control valve for connection to an existing supply of either the rising or falling type. The unit has a special shape of inner panel 8 with a shoulder 8c which locates on the rim 3a of the bath and aligns the unit for fixing. Details for accommodating different sizes and shapes of bath are described together with a pivotal door 20, fig. 1, matching the unit. A supporting device in the form of a foot 15 is connected to the part of the unit extending below the rim of the bath. A resilient member carrying a channel-section resilient sealing bead is secured to the bottom of the door 20 and seals the gap between the door and the bath rim. <IMAGE>
Patent GB-2009345-A (GB)
Title: Improvements in disc brakes for vehicles
IPC: F16D55/00
Filed: 1978-11-22
Abstract: In a vehicle disc brake two pairs of friction pad assemblies 9, 10; 11, 12 are adapted to be applied simultaneously to the respective inboard and outboard faces of each of a pair of relatively fixed, axially spaced, rotatable discs 1, 2 by means of an actuator assembly, which comprises a pair of first and second clamp assemblies 13, 17 which are relatively movable axially, and an actuator 23, 24 for moving the clamp assemblies 13, 17. The clamp assembly 13 is arranged to apply pad assemblies 9 and 11 to the inboard faces of the discs 1, 2 and the clamp assembly 17 is arranged to apply pad assemblies 10 and 12 to the outboard faces of the discs 1, 2. The actuator may be hydraulic (Figures 1-4) or mechanical (Figures 5-7). <IMAGE>
Patent GB-2039198-A (GB)
Title: Data display apparatus
IPC: G01R13/40
Filed: 1978-12-27
Abstract: Data display apparatus comprises sequencing means 20, 21 providing pulses to switching means S1 ... S10, to control a sequence of output signals from a common output P for a number of associated data sources, e.g. diodes D1 ... D10, comprising temperature- measuring means, such sequence being used to drive a display unit, e.g. an oscilloscope 10, to provide a bar-graph display of the data signals. Only a single communication channel 24 is required between the apparatus and the oscilloscope which is synchronized with the sequencing means 20, 21. The amplitude of the bar-graph and the position of the datum line (offset) are determined by the values of the resistances in the amplifier circuits A1, A2. <IMAGE>
Patent GB-2014939-A (GB)
Title: Improvements in or relating to dielectric optical waveguide cables
IPC: G02B6/44
Filed: 1979-01-29
Abstract: Apparatus for winding tape around an elongate core comprises a frame structure 32 which supports one or more reels 56 of tape. The frame structure carries a bobbin 58 which is rotatable with the frame structure about the core. Tape passes from the reel 56 to the bobbin 58 and extends between a pair of contacts 66, 67 before passing through a slit 61 to the core. The contacts 66, 67 are normally open but if the tape touches one of these that contact closes and the speed of the motor, which drives the frame structure, is adjusted to maintain the tape between the contacts. This arrangement ensures a substantially constant pitch of the tape around the core. <IMAGE>
Patent GB-2045014-A (GB)
Title: Arc welding machine
IPC: B23K9/10
Filed: 1979-03-19
Abstract: An arc welding machine comprises a housing 1 containing a cooling liquid 2, first and second main resistors 3, 4 serially connected to each other, the free end 38 of the first resistor 3 being connected to an alternating current source and the free end 40 of the second resistor 4 being connected to a holder 20 for a welding electrode 21, and one or more taps 58 from intermediate points along said first and second main resistors, which taps may be connected, preferably through respective by-pass resistors 5, to the said holder instead of the free end of said second main resistor, to provide higher welding currents. The main resistors are arranged in an open and perforate support fixed in said housing so that the resistors are continuously and completely submerged in the cooling liquid such as oil or water during operation of the machine. <IMAGE>
Patent GB-2016941-A (GB)
Title: >Mixer for fine-grained pulverulent materials
IPC: B01F15/02
Filed: 1979-03-22
Abstract: Mixing apparatus comprises a mixing chamber (1) with an inlet and an outlet, rotary discharge means (6) for the material is arranged at the outlet and a rotary stirrer which has stirring arms (3) projecting radially from a drive shaft (2) is located within the mixing chamber 1. In operation the rotary 9 discharge means is driven directly or indirectly by the stirring arms as the stirrer rotates. The rotary discharge means may be in the form of a vaned or helical wheel, the blades of which are engaged by the stirrer arms to cause rotation. The discharge means may rotate about a vertical or horizontal axis. In an alternative arrangement the arms of the stirrer engage a toothed wheel mounted on the shaft of the rotary discharge means. An eccentric ring member 5 attached to the stirrer aids in the moving of the materials towards the chamber outlet. <IMAGE>
Patent GB-2016969-A (GB)
Title: Improvements in or relating to the production of tubing
IPC: B21C37/12
Filed: 1979-03-29
Abstract: In the production of helical lock- seam metal tubing (14) from metal strip (11), recesses (20), (21) are cut from the metal strip using punches (18), (19). The recesses are cut at predetermined positions corresponding to interlocked marginal parts at the end of @ the required length of tubing. A saw (15) which severs the lengths of tubing does not therefore cut through the four-ply helical lock-seam (17), and the saw power requirement and cutting noise are reduced. The cutting operation for the recesses facilitates the provision of flanges at the ends of the lengths of formed tubing. <IMAGE>
Patent GB-2020815-A (GB)
Title: Displacement Sensor Using Differential Capacitor
IPC: G01D5/241
Filed: 1979-04-18
Abstract: A device for measuring an amount of movement of a moving object comprises sensor means comprising at least a moving object R and at least one pair of stationary members S1, S2 which are confronted with said moving object thereby forming at least one pair of differential capacitors therebetween, the confronting surfaces of said moving object and stationary members having graduations with the same pitch, the graduations of said stationary members being different by 180 DEG in phase from each other with respect to the graduations of said moving object; a pair of oscillators coupled to said capacitors formed in said sensor means; and a mixer for providing a difference frequency signal between the outputs of said oscillators; whereby a signal is provided of which the frequency is increased and decreased alternatively whenever said moving object makes a predetermined amount of movement with respect to said stationary members. <IMAGE>
Patent GB-2023266-A (GB)
Title: Boiler utilizing catalytic combustion
IPC: F22B31/04
Filed: 1979-04-27
Abstract: A boiler suitable for catalytic combustion of fuel comprises a pilot burner I1 and at least two sections each comprising a fuel injector I2, I3, a catalytic combustor C1, C2 and a heat exchanger HE1, HE2. The catalytic combustor may comprise a monolith support for the catalyst. Combustion of the fuel takes place in stages with intermediate abstraction of heat, combustion being completed in the final catalytic combustor in which the oxygen content preferably is reduced substantially to zero. <IMAGE>
Patent GB-2020566-A (GB)
Title: Treatment of gas streams to remove condensible vapours
IPC: B01D53/04
Filed: 1979-05-04
Abstract: In order to separate the vapour of a volatile liquid eg vinyl chloride, from a gas stream carrying such vapour, incoming gas to be treated 102 is passed, optionally after heat exchange 104 with cold nitrogen gas to condense some of the vapour, to one or more adsorbent beds 120 (a) or 120 (b) for adsorption of residual vapour from the gas. The adsorbed vapour is then desorbed at a pressure lower than the adsorption pressure. The resulting concentrated desorbed vapour stream may then be condensed, eg by being combined with the incoming gas stream to heat exchanger 104 in pipeline 102. An unadsorbed- gas bleed line 126 may be used to supply purge gas to a bed 102 (b) undergoing desorption, and the desorption may be assisted by warming the adsorbent beds. <IMAGE>
Patent GB-2020831-A (GB)
Title: Electrical Measuring Apparatus Employing Magneto-electric Device
IPC: G01R21/08
Filed: 1979-05-23
Abstract: An electrical measuring apparatus comprising a current domain magnetometer (C.D.M.) 1 and summation means 2 for summing the output pulses from the C.D.M., the sum of the summation means representing the integral of a predetermined function of the voltage and magnetic flux applied to the C.D.M. with respect to time. The predetermined function may be proportional to the product of the voltage and magnetic flux and the apparatus may produce measurements of voltage, magnetic flux, power or phase angle. <IMAGE>
Patent GB-2026527-A (GB)
Title: Reactive dyes, processes for their manufacture and use thereof
IPC: C09B62/51
Filed: 1979-07-06
Abstract: The invention provides reactive dyes of the formula   <IMAGE> wherein D is the radical of an organic dye which contains sulfo groups, R1 is hydrogen or C1-C4 alkyl, R2 is hydrogen, methyl or ethyl, X is a radical of the formula -SO2CH2CH2@, -SO2CH=CH2, -SO2CH2CH2OSO3H, -SO2CH2CH2OPO3H or -N(R3)SO2CH2CH2OSO3H, and R3 is hydrogen, methyl or ethyl, and the benzene or naphthalene radical can contain further substituents in addition to X.
Patent GB-2025772-A (GB)
Title: Incontinence Device for Males
IPC: A61F2/00
Filed: 1979-07-19
Abstract: A device for controlling urinary incontinence in males comprises a closely fitting undergarment such as a pair of briefs 10 in the crotch 13 of which is detachably fitted an inflatable rubber pad 26. A tube 28 leads from the pad 26 to an inflation bulb 29 and air control valve 30 for adjusting the pressure to which the pad 26 is inflated. When inflated the pad 26 applies pressure to the perineum of the wearer of the garment, closing off the outlet from the bladder into the urethra thus preventing the outflow of urine from the bladder. <IMAGE>
Patent GB-2058184-A (GB)
Title: A Method of and Means for Locating and Fixing a Window or Door Frame in a Wall Opening
IPC: E06B1/64
Filed: 1979-09-12
Abstract: A method of locating and fixing a window or door frame in a wall opening and means when used for carrying out the method, the frame (10) being constructed to a predetermined peripheral size less than that of the opening and having a pre-formed resilient perimeter strip (20) placed around the periphery of the frame and capable of depression to form a seal between the frame and the surrounding wall (24) against the passage of air, the frame and the perimeter strip being introduced into the opening, and fixing means (26, 27, 28, 29, 30) being subsequently passed through the frame and through the perimeter strip into pre-formed apertures in the surrounding wall to locate the frame in its required position, the fixing means being capable of subsequent expansion to grip the surrounding wall thus to prevent withdrawal of the frame. <IMAGE>
Patent GB-2033390-A (GB)
Title: Process for the Preparation of 7-aminothiazolylacetamido- cephalosporanic Acid Derivatives
IPC: C07D501/06
Filed: 1979-10-16
Abstract: Syn 7-[2-(2-protected-amino-4- thiazolyl)-2-substituted-imino- acetamido]-ceph-3-em-4-carboxylic acid derivatives, which have pharmacological activity or may be used in the preparation of pharmacologically-active compounds, are prepared by reacting a syn 2-(2- protected-amino-4-thiazolyl)-2- substituted-imino-acetic acid or salt thereof with a compound of the general formula:   <IMAGE> (wherein Y represents a tosyl or mesyl ion and Z represents a halogen ion, Y and Z each represent a tosyl ion, or Y and Z each represent a mesyl ion) and optionally treating the product with a base, so as to obtain the corresponding syn 2-(2-protected- amino-4-thiazolyl)-2-substituted- iminoacetoxy-tris(dimethylamino)- phosphonium salts, which salt is thereafter treated, optionally in the presence of a base, with an optionally 3/4 substituted 7-amino- cephalosporanic acid, or S-oxo or S,S- dioxo derivative, or a salt or ester thereof, and then treated with an acid. The acylation of the phosphonium salt is preferably carried out in an organic solvent below 0 DEG C, or in an aqueous solvent at ambient temperature.
Patent GB-2037642-A (GB)
Title: Circumscribing elongate workpiece with tool
IPC: B23D21/00
Filed: 1979-10-16
Abstract: A device for circumscribing an elongate body, e.g. cutting a continuous length of plastics tubing into equal short pieces, is arranged for automatic high-speed operation. Tube (33) under constant axial pressure is urged towards a limit switch (25) through a guide (36) around which a face plate (47) is rotated. The limit switch (25) operates a brake (56) to retard a brake drum, (41) which normally rotates with, but which can slip with respect to, the face plate. Retardation causes a cutter arm (48), pivoted to the face plate, to swing radially into a cutting position. After one revolution, the cut tube (35) falls away, the limit switch (25) releases the brake, and the cutter arm is retracted centrifugally. <IMAGE>
Patent GB-2043436-A (GB)
Title: Articles of furniture
IPC: A47C3/28
Filed: 1980-01-28
Abstract: Adjustable furniture having a seat component 39 and/or leg-supporting component 44 with an elongate mounting structure 35 which extends upwards and backwards with respect to the horizontal plane of the ground and a sleeve device 43, 48 mounted for adjustable displacement along the mounting structure and locatable thereon at arbitrary levels above the ground for supporting the component on the mounting structure with the assistance of the weight of and the weight loading exerted on the component. Secured to the inner side of the lower end of the sleeve device is a resilient, friction-promoting material 43e forming a supportive abutment against the mounting structure 35. <IMAGE>
Patent GB-2054843-A (GB)
Title: Absorption cell gas monitor
IPC: G01N33/00
Filed: 1980-06-20
Abstract: An absorption cell gas monitor for measuring the concentration of a specific gas such as ozone in an ambient atmosphere comprises a test cell (24) through which is passed alternately an ambient sample from an inlet port (12) and containing the specific gas and an ambient sample from which the specific gas has been removed in a chamber (14), and a reference absorption cell (20) through which is passed continuously ambient sample from which the specific gas has been removed. Radiation from a source (40) having a wavelength absorbed by the specific gas is directed through each cell (20) and (24) and is detected by a detector (46), (48) respectively, the transmitted intensifies being compared in a microcomputer (52). Fluctuations in the intensity of the source (40) are taken into account and errors arising from changes with time in the concentrations of gases can be avoided by delaying the ambient sample which is fed to the test cell (24) by the same amount as the sample which is fed to the reference cell (20) is delayed by the chamber (14). <IMAGE>
Patent GB-2054999-A (GB)
Title: Signal Processing Systems
IPC: H03H11/34
Filed: 1980-06-24
Abstract: A signal processing system which can be readily adjusted to achieve a desired complex transfer function of arbitrary form comprises a frequency sampling filter system (10) from each individual filter (11) of which in-phase and quadrature components are derivable. The sum of these components for all the filters (11) is obtained to provide the output of the system, the proportions in which the components are summed being independently variable for each component, for example by adjustment of attenuators or multipliers (12). Such a system has particular application in the field of active sound control. <IMAGE>
Patent GB-2056909-A (GB)
Title: Method and apparatus for use in producing a material in the form of a padded sheet
IPC: B29C65/02
Filed: 1980-07-21
Abstract: The present specification describes and claims a method and apparatus for producing a material in the form of a padded sheet, from a number of superposed layers of synthetic material. The layers basically comprise a cover sheet and a base sheet made of a material having elastic cells which are capable of being compressed. In this material, the elastic cells of the base sheet are crushed locally according to the outline of the required design for the quilting and padding and the crushed cells are blocked permanently, at least on a portion of the thickness of the base sheet. In the apparatus, the heat is applied by a plate which contacts the underneath surface of the material, a moulding tool contacting the upper surface and the internal being compressed between the heated plate and the moulding tool to provide heat welding only at the internal compressed regions determined by the tool design.