baber/WOPTO huggingface dataset:
Patent GB-1361396-A (GB)
Title: Cladding
IPC: E04F13/08
Filed: 1971-10-22
Abstract: 1361396 Cladding panels BROCKHOUSE LIGHTFORM Ltd 22 Oct 1971 [23 Oct 1970] 50409/70 Heading E1B A cladding panel comprises a back member 10, a front member comprising a plurality of metal trays 12 interconnected by elongate clips 16, a pair of extruded P.V.C. extrusions 17 at opposite sides, and a filling of foamed polyurethane formed in situ to hold the members 10-17 together. The trays may be stainless steel or steel coated with plastics. The side members are provided with undercut grooves which receive a sealing strip which links adjacent cladding members. Corner members may be similarly formed.
Patent GB-1147820-A (GB)
Title: Improvements in or relating to glasswear forming machines
IPC: C03B9/16
Filed: 1966-11-14
Abstract: 1,147,820. Glass and vitreous enamels. MAUL BROS. Inc. 14 Nov., 1966 [29 April, 1966], No. 50973/66. Heading C1M. A glassware forming machine, e.g. of the I.S. type and having parts (e.g. baffle arm 54, funnel arm 18, blowhead arm 70) that are required both to reciprocate and to turn, has a piston-rod 20, 58, 74 carrying the respective arm and an extension of the rod 46 in Fig. 2 carries helical cam surfaces 46, 48 which coact with rollers 42, 44 to produce the required rotary motion. As disclosed, a parison is formed in mould 16 and is delivered, by an inverting mechanism (not shown), to a finish mould 62 having a blowhead 60, and a bottom plate 68 reciprocable by piston assembly 64. The plunger mechanism for the parison mould is at 50.
Patent GB-1207554-A (GB)
Title: Improvements in or relating to low frequency counters
Inventor: SMURDA JIRI
IPC: G01R23/09
Filed: 1968-10-28
Abstract: 1,207,554. Frequency measuring; active filters. VYZKUMNY USTAV ZDKAVOTNICKE TECHNIKY. 28 Oct., 1968, No. 51044/68. Headings H3A and H3U. A pulse frequency counter includes a lowpass filter 1 having its output connected to an amplifier 5 whose gain is dependent on the level of the signal applied to it, the output of the amplifier being connected back to the filter. In operation, monostable circuit 11 produces a pulse train having an average D.C. level proportional to frequency which biases transistor 5 into its amplifying range, thus magnifying the effective value of the capacitance of the lowpass filter 1, to provide good filtering of the ripple signal. Any sudden changes in frequency causes a corresponding change in D.C. which cuts off or saturates transistor 5, so that it no longer provides any magnification of the filter capacitance. The filter thus comprises only the relatively small capacitance 16, and the meter 10 moves rapidly to its new position.
Patent GB-1402592-A (GB)
Title: Process of manufacturing a field subassembly for an electric motor
IPC: H01F41/10
Filed: 1972-05-02
Abstract: 1402592 Making electric motors BLACK & DECKER MFG CO 2 May 1972 [5 May 1971] 51179/74 Divided out of 1402591 Heading B3A [Also in Division H2] A method of making a field sub-assembly for an electric motor comprises winding a coil of wire 16 from a wire supply into a pair of slots 14 in a field core 10 and securing the finish lead of the wound coil under tension to a terminal 23 or 34 provided on the field core before separating the finish lead from the wire supply. A pair of terminal blocks 20 are located in slots in the core 10, Fig. 1 (not shown), each block conforming in shape to the corresponding slot and being provided with shoulders 21 which engage the tips of polepieces (13). The terminal blocks are placed in the core slots after the coils 16 have been wound and the start and finish leads of the coils are placed in channel portions 26 of the terminals 23. The channel portions are crimped over the wire and they are formed with sharp edges for piercing the insulation of the wire. Alternatively the insulation may be stripped from the wire ends. The wire is preferably severed in the same operation as the channels 26 are crimped. The end of the wire is inserted in a sleeve 28 and is retained in it by a tang 28 pressed out of the sleeve wall. The terminal 34 comprises a channel portion 35, a sleeve portion 36 defined by a folded-over strip and a tang 37. In an alternative method, the terminal blocks are placed in the field core, the start ends of two coils are crimped to their respective terminals and a pair of coils are wound simultaneously on the core. When winding is completed, the finish leads still connected to their winding needles and hence under tension are crimped to their respective terminals and then severed from the wire supply.
Patent GB-1512920-A (GB)
Title: Semiconductor device lead frame
IPC: H01L23/31
Filed: 1976-12-08
Abstract: 1512920 Lead frames for semiconductor devices MOTOROLA Inc 8 Dec 1976 [7 Jan 1976] 51245/76 Heading H1K A lead frame structure for a plurality of semiconductor devices is constructed from a first structure, e.g. 20 (Fig. 2) consisting of heat sink chip mounts 14 joined by tie bars with members 36-40 terminating in attachment regions 30-34 disposed between the mounts, and a second structure 22 comprising groups of leads 18 joined by tie bars 42, 44, and members terminating in attachment regions 48-52 disposed between the lead groups in register with the regions on the first structure to which they are attached to complete the lead frame. The structures may be formed by punching or etching sheets of material and thickness appropriate to their respective functions, e.g. the structure 22 is of copper plated with nickel, silver or gold, and joined by engaging the extruded posts 31-35 in holes 48-52 and riveting over their ends. After mounting the chip and bonding wires between its contact pads and the leads the chips are individually plastics encapsulated by transfer moulding with mount 14 flush with the plastics and its apertured part projecting to facilitate heat transfer to a sink to which the device is clamped.
Patent GB-1036805-A (GB)
Title: Improvements in or relating to apparatus for welding circular joints
IPC: B23K9/028
Filed: 1964-12-17
Abstract: 1,036,805. Welding by fusion. ESAB Ltd. Dec. 17, 1964, [Dec. 21, 1963], No. 51431/64 Heading B3R. In. gas-shielded metal arc welding apparatus for welding circular joints, e.g. tubes to tube plates, comprising a head unit to which shielding gas and welding current are supplied through flexible connections and a torch unit rotatably attached to the head unit, the head unit comprises a motor for rotating the torch unit and an electrode wire feed mechanism, and the torch unit comprises a substantially straight tubular body 14, Figs. 1 and 2 (not shown), coaxial with its axis of rotation relative to the head unit, a concentric electrode wire guide tube 19, the space between the body 14 and the tube 19 forming a shielding gas passage, a holding device 25 attached externally of the body 14 and a centring member 24 journalled in the holding device 25 and adapted to engage the work concentrically of the joint to be welded. The guide tube 19 is rotatable within and is supplied with current by a spring collet 11 in the head unit and terminates in a contact member 23 having an inclined surface deflecting the wire inwardly towards the centring member 24. Air motors in handles 3, 33 respectively rotate the torch unit and drive wire feed rollers. A gas nozzle 22 having an asymmetrically shaped end is held in spring fingers 21 terminating the body 14. The holding device 25 is pivoted to a clamp 26 and is connected by pivoted links to a clamp 30. By adjustment of the clamps 26, 30 on the body 14, the distance of the contact member 23 from the work and the radius of rotation can be determined. The body 14 and guide tube 19 may be interchanged with others of differing lengths.
Patent GB-1237466-A (GB)
Title: Improvements in triggered vacuum type circuit controllers
IPC: H02H7/16
Filed: 1968-10-30
Abstract: 1,237,466. Vacuum Switches. GENERAL ELECTRIC CO. 30 Oct. 1968 [6 Nov., 1967], No. 51501/68. Headings HIN and H2. A vacuum switch comprises relatively movable contacts 20, 24, annular arc runners 30, 36 surrounding the movable contacts, a trigger gap 47 mounted in one of the arc runners and means (not shown) for driving the contacts into engagement when an arc has been established between the arc runners due to the application of a signal across the trigger gap. Both arc runners may be provided with a trigger gap 47, as shown, the gaps being aligned or offset. The arc runners are so shaped and mounted as to cause the current through them to follow a bowed path so as to provide a magnetic field to keep the arc off the contacts. The outer periphery of the arc runners may be provided with arc-rotating slots (not shown). The contacts are closed by a solenoid connected in series with the contacts.
Patent GB-1366604-A (GB)
Title: Electronic antiskid control unit for a vehicle braking system
IPC: B60T8/60
Filed: 1972-11-08
Abstract: 1366604 Anti-skid braking systems SOC ANONDBA 8 Nov 1972 [2 Dec 1971] 51532/72 Heading F2F A wheel rotational speed signal is fed to one input of a comparator AD and a proportion thereof is fed to charge a capacitor 16 having a discharge circuit, providing a predetermined maximum discharge rate therefor, which is connected to another input of the comparator, such that when the speed signal decreases faster than the discharge circuit maximum rate, a brake pressure relax signal is issued from the comparator; a switching device, which is actuated after production of the first relax signal changes the value of the discharge circuit signal for subsequent relax signals. A known wheel speed sensor C co-operates with a toothed disc D on the wheel R, and produces a voltage signal to the comparator AD and a potentiometer 10 to provide the proportional signal to the capacitor. The discharge circuit comprises a transistor 14 and two resistors 18, 20. When the direct input E1 at the comparator AD is greater than the discharge circuit signal ED, no brake relax signal is produced. A switch K1 short circuits the potentiometer 10 for a first brake relax signal so that the control circuitry reacts rapidly to a wheel deceleration for brake pressure relaxation. The relax signal then operates the switch K1 to close it so that the potentiometer 10 provides the proportionality for subsequent relaxation thus causing the circuitry to react less rapidly. Alternatively, an initially closed switch K2, operated by the relax signal as with K1, changes the value of the resistor 18 to affect the maximum discharge rate to produce the similar circuitry reaction for successive relax signals. The control circuitry may comprise both switches K1, K2.
Patent GB-1272469-A (GB)
Title: Reversing gear with belt pulley drive
Inventor: GUTBROD WALTER
IPC: F16H3/00
Filed: 1969-10-22
Abstract: 1,272,469. Reversing gearing. W. GUTBROD and W. GUTBROD. 22 Oct., 1969 [7 May, 1969], No. 51682/69. Heading F2D. A forward-neutral-reduced ratio reverse gear belt pulley drive comprises two V-belt pulleys 30, 31 coaxially arranged on a driving shaft 1, the former pulley 30 connected fast to the driving shaft 1 by an extended hub 3 on which the latter pulley 31 is freely journalled and to which a sun gear 6 is keyed at 5, the latter pulley having a flange 15 forming a ring gear 14 of a planetary gear, the carrier 9 of which is also journalled on the hub 3 and is formed with a brake rim 10, the arrangement including a spring-applied belt tensioner 24, 25 and cable 29 operated brake arm 12 simultaneously controlled by a single cable 36 via a lever 32 and cables 28, 29 such that with the control cable 36 released, the belt tensioner 24 is spring applied at 27 for forward drive from the pulley 30 to the driven pulley 23, neutral being obtained by pulling the cable 36 to release the tensioner 24, whereby the belt 20 slips and pulley 30 idles, and reduced ratio reverse is obtained by further pulling the control cable 36 to additionally apply the brake arm 12 to lock the carrier 9, whereby the driven pulley 23 is reversely driven by the pulley 31 via belt 17 at a reduced planetary ratio. In Figs. 1 to 3 (not shown), the freely mounted pulley, formed with the ring gear 15, additionally forms one half flange (18) of the other pulley, the other half flange 2 being connected as before, via a hub 3, to the driving shaft 1. In this arrangement, both forward and reduced ratio reverse drive of the pulley 23 is effected by the freely mounted pulley via the belt 17, the other belt 20 simply running around the tensioner pulley 24 which when applied, forwardly drives the freely mounted pulley at its flange 18 via the tensioned belt 20 from the driving shaft flange 2, and which when released via the control cable 36, allows the belt 20 to slip for neutral or further with the brake arm 12 engaged to lock the carrier for reverse drive at the reduced planetary ratio as before.
Patent GB-1196249-A (GB)
Title: Improvements in or relating to Electrical Transformer Feeder Pillars or like Units
Inventor: CRAVEN RONALD WINN
IPC: H01F27/40
Filed: 1966-11-21
Abstract: 1,196,249. Trunking. ELECTRO MECHANICAL MFG. CO. Ltd. 26 Oct., 1967 [21 Nov., 1966], No. 51932/66. Heading H2C. A feeder pillar (e.g. for a power transformer T,) has adjustable trunking 2 having coplanar vertical side flanges (16) (Fig. 3, not shown) and integral upper and lower cover flanges 17, 18 of two different lengths so that either of them could be uppermost to increase the range of adjustment. Bus-bars 5 in a duet 4 may be flexibly connected via members 7 (34) (Figs. 7 and 8, not shown) to transformer terminals 11 in porcelain bushing 12. The trunking may be in two parts (2a) (2b) (Figs. 7 and 8, not shown) one having a removable hood (29) and the other adjustably connected to the transformer. The trunking may be clamped to duct 4 by angled members having a sealing gasket in the bends of the angles (Figs. 5 and 6, not shown).
Patent GB-1535437-A (GB)
Title: Label holder
IPC: B42F21/04
Filed: 1976-12-13
Abstract: 1535437 Index labels R GULLBERG 13 Dec 1976 [11 Dec 1975] 51981/76 Heading B6E An index label holder for attachment to the spine of a filing folder using the rivets for fixing the binder mechanism to the folder has a transparent pocket 1 closed along three adjacent edges 2, 3, 4 and a pair of flaps 6, 7 attached to the opposite edges 2, 4, the upper edges 16, 19 and lower edges 17, 18 of the flaps being cut so that they slope downwardly and outwardly to locate the pocket on the spine at a predetermined position. Predetermined position corresponds to spacing of the upper edge 5 of the pocket at a distance of 65 mm. from the upper end of the spine.
Patent GB-1440108-A (GB)
Title: Process for preparing a cyclopentenone
IPC: C07C49/707
Filed: 1973-11-09
Abstract: 1440108 Cyclopentenones WISCONSIN ALUMNI RESEARCH FOUNDATION 9 Nov 1973 [27 Nov 1972] 52220/73 Heading C2C Compounds I in which R is C 1-4  hydrocarbyl or benzyl and Z is a -(CH 2 ) n - group, wherein n is an integer of 1 to 12, the -(CH 2 ) n - group being optionally interrupted in the chain by a double or triple bond, are prepared by (a) reducing in known manner a compound II to give a 4-(R)-hydroxycyclopentane-1,3-dione, (b) reacting the 4-(R)-hydroxy-cyclopentane- 1,3-dione to convert the 1-one into a 1-(substituted)silyloxy, (substituted)aminoxy, ester or ether group in known manner, and (c) reducing the resulting compound in known manner. In step (b) the 3 keto group and/or the 4 hydroxy group may also be converted into ester or ether groups. One of the compounds produced by the process of the invention, namely 1 isopropoxy- 2 - (6<SP>1</SP> - carbomethoxyhexyl) - 4(R)- hydroxy- 1 cyolopenten-3-one has antimicrobial activity.
Patent GB-1147179-A (GB)
Title: Preparation of 1-halo-phosphonic acids and their esters
Inventor: COATES HAROLD
IPC: C07F9/38
Filed: 1966-11-24
Abstract: 1,147,179. Preparation of 1-halophosphonic acids and their esters. ALBRIGHT & WILSON (MFG.) Ltd. 15 Nov., 1967 [24 Nov., 1966], No. 52569/66. Heading C2C. 1 -Halo-phosphonic acids, or esters thereof, are prepared by (i) reacting a saturated aliphatic, aromatic or aralkyl aldehyde with a tervalent phosphorus halide in a molar ratio of at least 2À5 : 1, (ii) heating the product from stage (i) with a Friedel-Crafts catalyst, and (iii) reacting the product from stage (ii) with water or an alcohol to effect hydrolysis or alcoholysis. The first stage is generally carried out in two steps, the aldehyde and the phosphorus trihalide being first mixed at between 40‹ and 80‹ C. and then heated to between 70‹ and 100‹ C. in the second step. Specified Friedel-Crafts catalysts for use in stage (ii) are zinc chloride, aluminium trichloride, boron trifluoride and stannic chloride. The phosphorus trihalide used may be the chloride, bromide, fluoride or iodide, and if the iodide is used this may be formed in situ from iodine and red phosphorus. Specified aldehydes are formaldehyde, paraformaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, benzaldehyde and phenylacetaldehyde. An example is given for the production of chloromethylphosphonic acid from phosphorus trichloride and paraformaldehyde using zinc chloride as catalyst, methylene chloride and bis-(chloromethyl)-ether being formed as by-products.
Patent GB-1242888-A (GB)
Title: Improvements in or relating to fluid flow valves
IPC: F16K31/40
Filed: 1968-11-06
Abstract: 1,242,888. Valves. HONEYWELL Inc. 6 Nov., 1968 [17 Nov., 1967], No. 52580/68. Heading F2V. In a flow control valve, flow between an inlet 12 and an outlet 13 is determined by the position of a main valve member 25, which position is controlled by appropriate changes of pressure in a chamber 31, an increase in such pressure being effected by placing the chamber in communication with the inlet 12 via lines 23, 36, 38 and 33, whilst a decrease in such pressure being effected by placing the chamber in communication with the outlet 13 via lines 33, 38, 37 and 32. The supply of pressure to, or the withdrawal of pressure from the chamber is controlled by two auxiliary valves, the first of which comprises a rotary, manually-operable valve member 19 which can be moved to inhibit flow from the inlet to line 23 and to chamber 17, and the second of which comprises a pivotable strip-like valve member 43 which is adapted to be moved towards either one of two seats formed by the free ends of inserts 39, 40 disposed in lines 36 and 37. The pivotable valve member is subjected to the constant bias of a spring 48 arid further, to the combined and greater force of a spring 55 and armature 54 when the latter is de-energized, the pivotable valve member being movable to its alternative position by energizing solenoid 52 and hence withdrawing the armature. As depicted in Fig. 3, the pivotable valve member is formed from a rigid strip 43 having intermediate its ends two V-shaped projections and at each of its ends two sets of tines 45, 46, a spring-retaining projection 43a being formed between the strip central portion and one of its ends. The valve member is completed by an I-shaped elastic strip 49 the head portions of which are designed to fit between the respective sets of tines and to engage the respective seats, assembly of the valve member being effected by stretching strip 49 subsequent to one of its head portions being secured between one set of tines until the other head portion can be inserted, as shown in dotted lines, between the other set of tines.
Patent GB-1526820-A (GB)
Title: Supercharging and scavenging internal combustion engines
IPC: F02B75/02
Filed: 1975-12-23
Abstract: 1526820 Supercharging and scavenging IC engines W FRANKE 23 Dec 1975 [24 Dec 1974 3 March 1975] 52692/75 Heading F1B An I.C. engine is supplied with supercharging and scavenging air either immediately before each compression stroke and each exhaust stroke or immediately before each exhaust stroke only, in dependence upon the throttle opening. For small throttle opening, air is admitted before each exhaust stroke only for scavenging, whereas for larger throttle openings, air is admitted before each exhaust stroke and each compression stroke. In Fig. 1, air from compressor 57 passes only to cylinder 2, whose piston 6 is about to perform its exhaust stroke. The air passes via a rotary valve 55, whose valve plate 62 rotates at half crank-shaft speed and in the Fig. 1 situation permits no air to flow to the cylinder 3 whose piston 7 is about to start its compression stroke. When the crank-shaft 13 has rotated through 180 degrees from the Fig. 1 position, valve plate 62 has rotated through 90 degrees to the Fig. 2 position (not shown) and air can flow only to the cylinder 1, whose piston 5 is about to start its exhaust stroke. Figs. 1 and 2 relate to operation with a small throttle valve opening. When the throttle valve 93 Fig. 6 has opened to a predetermined extent, a lever 96 is caused to rotate and rotates the body 64 of valve 55 through 90 degrees in the direction of arrow 63 in Fig. 1. Thus, when the crank-shaft, pistons and valve plate 62 occupy their Fig. 1 positions, air can flow via the valve 55 to both of cylinders 2 and 3 and in their Fig. 2 positions air can flow to both cylinder 1 and cylinder 4. In another embodiment, Fig. 7 and Fig. 8 (not shown), a valve 196 is actuated by a cam 165 via a lever 147 when a setting lever 149 is in the position shown, the arrangement being such that lever 147 closes valve 196 against the action of a spring when the piston is at the end of its induction stroke so that air is admitted only before the exhaust stroke. Movement of lever 149 in the direction of arrow 151 ensures that the cam 165 cannot act to close the valve 196, so air is admitted each time the piston 126 reaches B.D.C. i.e. before the compression and exhaust strokes. In other embodiments, Fig. 9 and 10 (not shown), the valve (170) is actuated via a cam (176) which is rotated as the accelerator pedal (194) is depressed. The invention may be used with an engine having rotary pistons.
Patent GB-1222640-A (GB)
Title: Gas operated stopper for a ladle
IPC: B22D41/14
Filed: 1969-10-28
Abstract: 1,222,640. Ladle storers. NOZZLE Inc. 28 Oct., 1969 [15 Jan., 1969], No. 52724/69. Heading F4B. A gas-operated stopper 1 for a ladle comprises a nozzle seat 3, a nozzle assembly 4 and a gasoperated piston assembly 5. As shown, the nozzle assembly 4 includes a nozzle 12 which is slidably positioned in the nozzle seat 3 and has a centrally disposed opening 17, three spaced passageways 19 extending through the tubular wall 14 of the nozzle 12 into opening 17 for directing molten metal out of the ladle 2. The gas-operated piston assembly 5 is positioned outside of ladle 2 beneath the ladle bottom 7 and is mounted on to the nozzle seat 3. The assembly comprises an annular cylinder wall 24 forming a part of a cylinder chamber 29, a metal cylinder 30 operating within the chamber 29, a compressed air inlet 34, and sealing means 37 secured to the arm 32 of the piston 30 to prevent leakage of the compressed air. In operation, compressed air fed into the chamber 29 forces piston arm 32 upward, and since the lower portion of piston shaft 33 is connected to nozzle 12, the nozzle 12 also moves upwardly permitting molten metal to flow through passageways 19 into nozzle opening 17. The piston shaft 33 has an inert gas passageway 40 leading vertically through the bottom section of the piston shaft 33 and continuing as recess 41 along the surface of shaft 33 which faces nozzle 12. The inert gas, e.g. argon, passing through the recess 41 and a further gap 45 acts as a lubricant to permit easy movement of nozzle 12.