baber/WOPTO huggingface dataset:
Patent GB-1361355-A (GB)
Title: Signal translating apparatus
IPC: H03L7/181
Filed: 1972-11-30
Abstract: 1361355 Automatic frequency control systems HEWLETT-PACKARD CO 30 Nov 1972 [23 Dec 1971] 55296/72 Heading H3A In an A.F.C. system for controlling the frequency of an oscillator 7, the output from the oscillator is fed to digital circuitry 25 ... 28 which provides an indication of frequency, and a comparator 9 receives an input from the digital circuitry and from a reference source 11  to control the frequency of the oscillator 7. The circuit operates in one of two modes, depending on the setting of switches 23, 24. In the first mode, the divided signal from oscillator 7 is gated at 21 by the divided signal from reference source 11. The gated signal is then applied to a counter 25 whose count is transferred to a store 27 at the end of the counting period. A digital display 29 is driven by the store. In this mode, the variable oscillator may be manually adjusted. In the other mode the counter 25 operates as a variable-modulus divider and is included in the phase locking circuit. The number stored in store 27 now presets the counter 25 to give the necessary division factor.
Patent GB-1255635-A (GB)
Title: Photographic mirror - reflex camera
Inventor: ETTISCHER HELMUT
IPC: G03B19/12
Filed: 1968-11-21
Abstract: 1,255,635. Reflex cameras. EASTMAN KODAK CO. Nov. 21, 1968 [Nov. 22, 1967], No. 55360/68. Heading G2A. A single lens reflex camera has a cocking control which advances the film, cocks the shutter and cocks the mirror mechanism. The control allows the different degrees of film advance necessary as the film roll diameter increases while not affecting the mirror and shutter cocking which require constant travel. As shown, turning cocking lever 1 in direction A pivots a lever 6 until a lever 10 snaps in behind a lug 6a, thus tensioning mirror-pivoting springs 7, 8. A shaft 2 secured to lever 1 advances film via a gear (not shown); and via a crank 12, pin 13, rocker 14, rack 15 and gears 16, 17 tensions the shutter. Lever 1 is returned by springs 11, 19. During the extra rotation of lever 1 necessary for large film advance cam surface 1b becomes operative; being shaped to prevent further cocking of lever 6. Similarly extra rotation of-crank 12 has little effect on rack 15. On camera release, a pawl 20 is moved to release a lever 21 which is rotated by spring 8 to raise the mirror and to move rack 15 to release its shutter. After exposure, lever 10 is moved to release lug 6a, allowing spring 7 to move lever 6 which, through lug 6b, rotates lever 21 to return the mirror.
Patent GB-1128471-A (GB)
Title: Boomerang
IPC: A63B65/08
Filed: 1965-12-31
Abstract: 1,128,471. Boomerang. C. H. CLEVELAND and R. P. HILL. 31 Dec., 1965 [12 Oct., 1965], No. 55436/65. Heading A6S. A boomerang comprises a pair of legs interconnected at an angle by a connector provided with a first passage the walls of which slidably receive an end of one leg, and a second passage inclined to the first passage for slidably receiving the other leg to releasably hold it in various positions of adjustment relative to the first leg. The preferred angle is a right angle and the legs are preferably of elongate cross-section of isosceles trapezoid shape the bases of each forming a convex side of the boomerang due to the plane of each leg being inclined at an angle of about a degree to each other.
Patent GB-1268429-A (GB)
Title: Regulated magnetic suspension system
Inventor: LYMAN JOSEPH
IPC: F16C39/06
Filed: 1969-11-14
Abstract: 1,268,429. Automatic position control. CAMBRIDGE THERMIONIC CORP. Nov,14, 1969, No.55882/69. Heading G3R. In a system for automatically maintaining an object in a desired position between two electromagnets which apply opposing forces, the energizations of the electromagnets are differentially controlled in dependence on rate of displacement of the object and the sensitivity of this control is reduced as the displacement increases. As shown, rate of vertical movement of a rotor 2 suspended between electromagnets 5, 6 is detected by the effect of a permanent magnet 7, fixed to the rotor, moving relative to a fixed coil 14 the output of which differentially controls, through an amplifier 16, the energization of coils 10, 11 to damp the movement. Deviations of the rotor from a desired vertical position have a differential effect on the amount of light from a source 21 reaching photo-cells 19 the outputs of which differentially control, through an amplifier 24, the energization of coils 12, 13 to correct the position. The output of amplifier 24 is also applied through a rectifier 33 to control the gain of amplifier 16 so that the degree of damping is reduced when the positional error increases.
Patent GB-1206526-A (GB)
Title: Device for holding built-in fittings
IPC: E04G15/06
Filed: 1968-11-26
Abstract: 1,206,526. Insert supporting wall fitting. BASSANI S.p.A. 26 Nov., 1968 [28 Nov., 1967], No. 56056/68. Heading B5A. [Also in Division E1] A device for attaching, e.g. a box 5, to be built in to a concrete wall, to shuttering 3 by suction, has a non-deformable bell- or capsulelike body portion 2, an elastic sealing rim 4, and means for evacuating the body portion. In the embodiment shown, the rim 4 is an integral part of a rubber bell 1 reinforced by a steel brush 2, and the vacuum is produced by piercing a vacuum bell 14 by means of a striker pin 16 which is guided in a hermetically sealed slide inside a guide body 15 fixed tightly to the bell. A protective cap 9 is provided. The vacuum may alternatively be produced by a pump via a valve set into the top of the body portion. The device may be attached via an elastic washer 11 having a perforated sieve-like inner portion 12, and a coating of dry or self-sealing adhesive on one or both sides around the rim 13.
Patent GB-1284399-A (GB)
Title: Filamentary carbon
Inventor: ATKINS ARTHUR AMBROSE
IPC: D01F9/22
Filed: 1968-11-27
Abstract: 1284399 Carbon fibres COURTAULDS Ltd 26 Nov 1969 [27 Nov 1968] 56222/68 Heading C1A Carbon filaments are produced by heating polyacrylonitrile in air, other oxidizing or inert atmosphere at 200-300‹ C., and carbonizing in an inert atmosphere first at 1000-1100‹ C. and then at 1200-1700‹ C., the by-products of the final carbonization being carried away from the filaments by feeding inert gas counter-current to the filaments and withdrawing the gases so they do not contact the filaments outside the carbonization zone. Inert gas may also be fed from both ends of the carbonization zone. The carbonization may be carried out in an electrically heated tube provided with a branch pipe through which the gases are withdrawn; the branch pipe itself may also be heated.
Patent GB-1379394-A (GB)
Title: Process and apparatus for separating magnetic particles
IPC: B03C1/0355
Filed: 1971-12-06
Abstract: 1379394 Magnetic separators UNION CARBIDE CORP 6 Dec 1971 [7 Dec 1970] 56508/71 Heading B2J A magnetic separator comprises a superconducting magnet 12 surrounding a hollow tube 14 having an inlet opening 16 through which is fed a carrier medium, e.g. air, water or an inert gas, containing ore in particulate form; and a second tube 26 arranged concentrically within the tube 14 as shown. In operation, the magnetically susceptible particles 11 in the ore are attracted to the periphery of the tube 14 and pass to an outlet 34 whilst the non-magnetic particles remain in the central vicinity of the tube 14 and pass into the tube 26 for separate collection at outlet 32. To effect a greater separation the carrier meduim collected in tube 26 may be recycled back into the same or a different separator.
Patent GB-1247925-A (GB)
Title: Improved coffee-making apparatus
IPC: A47J31/40
Filed: 1968-11-29
Abstract: 1,247,925. Coffee making appliance. EGI S.a.r.1 Nov.29,1968[Nov.30, 1967], No. 56670/68. Heading A4D. A coffee making apparatus comprises a rotatable drum 10, having chambers 27, 28 (within which pistons 29, 30 are slidable) for holding ground coffee, within a stationary casing 11 having three openings defining operating stations such that at the start of a coffee making cycle one chamber is opposite the first station and receives fresh ground coffee via openings 17 and 16; the drum then rotates to the second operating position with chamber 28 opposite a filter screen 20 where hot water under pressure enters the chamber via a duct 32, filters through the coffee 31 and screen 20 and the brewed beverage is dispensed at outlet 22; the drum then rotates to the third operating position where the spent grounds are jettisoned via passage 24 into a disposal chute 26 whilst the second chamber 27 is ready to receive fresh ground coffee. Pistons 29 and 30 assist in compressing the grounds at the second station and jettisoning the spent coffee grounds at the third station. Water heating, metering and pressurizing means are described.
Patent GB-1395018-A (GB)
Title: Coke ovens
IPC: C10B29/02
Filed: 1972-12-08
Abstract: 1395018 Coke oven heating walls SIMONCARVES Ltd 23 Nov 1973 [8 Dec 1972] 56706/72 Heading F4B In a heating wall for a coke oven wherein a pair of stretcher walls formed of bricks 20 are joined by transverse header walls formed of bricks 23, each course of bricks in said-header walls is displaced vertically between two adjacent courses is said stretcher walls by approximately half the height of said stretcher bricks. The ends 25 of the feeder bricks project through two stretcher walls alternately in vertical succession. The stretcher bricks are joined by horizontal tongue and groove joints 21, 22 and the header bricks by vertical tongue and groove joints 24. The header bricks are also partly reduced in horizontal cross-section a shown to increase the flue area.
Patent GB-1332706-A (GB)
Title: Windscreen wiper system on a motor vehicle
IPC: B60S1/04
Filed: 1970-11-30
Abstract: 1332706 Windscreen wipers BAYERISCHE MOTOREN WERKE A G 30 Nov 1970 [28 Nov 1969] 56861/70 Heading A4F [Also in Division B7] The area swept by an oscillatory windscreen wiper blade extends beyond a lateral edge of the windscreen. Beyond the lateral edge the wiper blade 2 sweeps over a decorative strip 60 on a rubber section 5 of the windscreen frame 4. The edge portion 12 of the windscreen 100 engaging in the section 5 is rearwardly offset to permit the wiper blade 2 to ride on to the strip 60. In alternative embodiments the blade 2 rides on to a decorative strip 6 Fig.2, (not shown) via a ramplike portion (8) of the strip or on to a decorative strip 60 via a metal strip 9 Fig.3, (not shown).
Patent GB-1370159-A (GB)
Title: Clips
IPC: F16B5/12
Filed: 1971-12-08
Abstract: 1370159 Clips ILLINOIS TOOL WORKS Inc 8 Dec 1971 [9 Dec 1970] 57078/71 Heading E2B A one piece spring clip 14 for securing a channel shaped element such as a moulding strip to a supporting work surface comprises a plate 20 having an adhesive coated mounting surface and fingers 22 resiliently flexible with respect to the plate. The fingers 22 present shoulders 24 adjacent to opposite longitudinal margins of the plate for accommodating oppositely disposed flanges of the element and the connection A of each finger with the plate being spaced across the plate from the margin of the plate adjacent to the shoulder of that finger. The plate may be provided with a strengthening rib by folding the material of the plate, the fingers being partly cut from the rib (Figs. 5, 6, and 7, 8 not shown). A support for the fingers may project from each of the transverse end edges of the plate (Figs. 9, 10, not shown). Alternatively the fingers may extend across the full width of the plate (Figs. 11, 12, not shown). The edges of the flanges of the element may be held flush with the working surface (Figs. 1 to 10, not shown) or on the upper surface of the plate (Figs. 11, 12 not shown).
Patent GB-1419974-A (GB)
Title: Apparatus for winding coils for stators of dynamo-electric machines
IPC: H02K15/04
Filed: 1972-12-12
Abstract: 1419974 Coil winding apparatus BALZER & DROLL KG 12 Dec 1972 [15 Dec 1971] 57203/72 Heading B3A Apparatus for winding dynamo-electric machine stator coils comprises: a frame 10, a winding former 12 mounted on the frame, means whereby the former cross-section can be varied between at least two different winding positions by moving portions of the former transversely to the axis of the former to provide different size coils. The former 12 is rotated by an electric motor 14 via a transmission 16 and wire is supplied to the former by a guide 18. The former portions are mounted on slide members 20, all of which are movable on a face plate 24 radially of the former axis. A power cylinder 42, Fig. 2a, moves a rod 26 axially of the former and links 28, 30, which interconnect the rod with the former portions and slide members 20, move the former portions between a collapsed condition, Fig. 2a, and a fully expanded condition, Fig. 2b. Stops (98), (60), Fig. 3 (not shown), are advanced so as to be engaged by a bush (46) on the piston rod of the cylinder 42, to provide intermediate amounts of expansion of the former. In alternative embodiments, the separate stops are replaced by a stepped stop or by camming surfaces engaging the rod 26, to give a continuously variable size of former cross-section.
Patent GB-572074-A (GB)
IPC: G04C21/30
Abstract: 572,074. Time switches. TANSEY, N. March 1, 1944, No. 3831. [Class 38 (v)] A time switch has a selector plate in which there are one or more time-setting elements in the path of contacts which move with the hour hand to engage one of the elements, thereby energizing a solenoid which moves a striker and displaces the setting elements. With the hour hand 4 rotates a sleeve 10 bearing a carrier 11 on which are mounted two contacts 12, a spring 9 carrying a striker 8, and slip-rings 13. Contacts 18 are a sliding fit in holes in a stationary selector plate 1 and may be arranged in three concentric rings at five-minute intervals. Any contact 18 may be moved manually so that a conducting part 18a projects into the path of the contacts 12 and bridges them at the set time to energise a solenoid 16 in parallel with a circuit 17 which goes to an external device. The solenoid 16 attracts the spring 9 carrying the striker 8 which engages and pushes back the contact 18 to break the circuit, the solenoid 16 and external circuit 17 are de-energized and the striker falls back hitting a bell 19 to give an audible alarm. A switch for operating a wireless set is also described in which the carrier 11 bears one contact 12 only and contacts 18 are connected into three groups by leads taken to three common terminals, so that when the contact 12 touches a contact 18 one of three solenoids in parallel with the solenoid 16 is energized to switch on a wireless set at one of three pre-selected wavelengths, Figs. 3, 4 (not shown).
Patent GB-1447235-A (GB)
Title: Glass and refractory fibre materials
IPC: C03C13/02
Filed: 1972-12-12
Abstract: 1447235 Fibrous glass material TBA INDUSTRIAL PRODUCTS Ltd 10 Dec 1973 [12 Dec 1972] 57297/72 Heading C1M Fibrous glass material is manufactured by melting a glass composition consisting of, in weight per cent, 20-40 alkali metal oxide(s); 10-20 TiO 2 ; and balance (40-70) SiO 2 ; and forming the molten glass into fibrous material. The molten glass, which may contain Na 2 O and/or K 2 O, may be formed into fibres by melt drawing at, e.g. 900-1150‹ C. The fibres preferably have a mean diameter not more than 15 Ám. The fibres formed may be leached with mineral acid, preferably at pH 0À3-2À4, to remove substantially all the alkali metal oxide (e.g. using 4NH 2 SO 4  at 90‹ C.). The refractory fibres formed by the leaching (which may have the approximate composition 18-23% by weight TiO 2 , balance SiO 2 ) may be strengthened either by heating to achieve shrink stabilization (e.g. at 900‹ C. for 3 or 4 hours), orbytreatment with alkali (e.g. boiling saturated Ca(OH) 2  solution for up to 3 hours). The product fibres may reinforce cementitious products, metals (e.g. aluminium) or ceramics.
Patent GB-1458385-A (GB)
Title: Method for flame scarfing an edge of a workpiece to remove  blemishes resulting from the continuous casting  thereof
IPC: B23K7/06
Filed: 1973-12-12
Abstract: 1458385 Scarfing MESSER GRIESHEIM GmbH 12 Dec 1973 [12 Dec 1972] 57524/73 Heading B3V In a method of flame scarfing an edge 12 of a continuously cast workpiece 14 so as to remove cracks, a flame burner 10 is arranged such that the angle between the longitudinal axis of the burner 10 and a major surface 18 of the workpiece is from 25 to 35 degrees, the angle # between the transverse axis of the burner 10 and the workpiece surface 18 is from 5 to 10 degrees and the angle γ between the longitudinal axis of the burner 10 and the direction of relative movement between the burner 10 and workpiece 14 is from 5 to 15 degrees. A small layer of material may be removed from the workpiece 14 by a first burner to determine whether the workpiece contains any hidden defects, which may then be removed by a second burner arranged downstream of the first. A flame burner may be provided for scarfing each edge 12 of the workpiece 14.
Patent GB-1164048-A (GB)
Title: Improvements in or relating to Aerial Systems
IPC: H01Q3/24
Filed: 1967-12-19
Abstract: 1,164,048. Aerials. TELEFUNKEN PATENTVERWERTUNGS-G.m.b.H. 19 Dec., 1967 [4 Jan., 1967], No. 57622/67. Heading H4A. A medium wave aerial system comprises two crossed horizontally-disposed half-wave dipoles 3, 4 which are suspended by insulators 21 from masts 1 at a predetermined height above the ground, e.g. at 0À4 times the wavelength, and central feed means consisting of two crossed, vertically rising feeders having conductors 5, 6 and 7, 8, respectively. Insulators 2 are interposed between adjacent junctions of the feeder conductors with the dipole feed points. The two feeders may be separately fed with power in phase quadrature, when the two dipoles radiate omni-directionally, with an elevated main disection of radiation, e.g., from 17 to 45 degrees. Alternatively, by using switching means provided, the feeder conductors 5, 6, 7, 8 may be connected together, and be fed in parallel, when the said conductors constitute a vertical cage aerial, with a horizontal main direction of radiation. It is stated that the dipoles can be regarded as having negligible effect when the aerial system is operated in this manner.
Patent GB-1216655-A (GB)
Title: Improvements in pressurised dispensing containers
Inventor: THORNTON JAMES COWARD
IPC: B65D83/14
Filed: 1966-12-23
Abstract: 1,216,655. 655. Pressurized dispensing containers. J. GODDARD & SONS Ltd. Dec. 15, 1967 [Dec. 23, 1966], No. 57808/66. Heading F1R. In a value of the type in which a valve body 10 seals on a sealing gasket 14, one of the cooperating sealing surfaces is provided with at least one rib there around. As shown, the valve body 10 is provided with three concentric ribs. The discharge passage, 20 is arranged to lie above the gasket when the valve is closed. The valve body may be surrounded by the closing spring 12 or as shown the body is hollow and receives the spring within the hollow.
Patent GB-1166686-A (GB)
Title: Nickel Base Alloys and Process for their Manufacture
IPC: C22C19/05
Filed: 1966-12-29
Abstract: 1,166,686. Nickel alloys; powder metallurgy; granulating. IIT RESEARCH INSTITUTE. Dec.29, 1966 [Jan. 3, 1966], No.58083/66. Headings C7A, C7D and C7X. A nickel-base alloy consists, in percent by weight, of Cr 12 - 17 Mo 3À5 - 6 Al 3.5 - 6À5 Ti 0À5 - 4 Fe up to 4 C up to 0À2 B up to 0À05 Co 0 - 20 Zr 0 - 0À15 Mn 0 - 0À25 Si 0 - 0À5 Cu 0 - 0À5 optionally Nb and/or Ta 1À8 - 2À8 Ni and incidental impurities -balance; the hardening phase of the alloy being uniformly dispersed in the matrix, their respective grain sizes being less than three microns and less than 50 microns. The oxygen and nitrogen contents should preferably be below 1000 p.p.m. and 100 p.p.m. respectively. The alloy is made by atomizing a molten charge to form powder which is subsequently consolidated, e.g. by sintering in argon, hot-pressing or extruding. As described, atomization is effected by an inert gas (argon) stream, while the consolidation operations take place on canned powder.
Patent GB-1334029-A (GB)
Title: Syringe
IPC: A61M3/00
Filed: 1971-12-15
Abstract: 1334029 Liquid infecting apparatus NOSCO PLASTICS Inc 15 Dec 1971 [15 Dec 1970] 58289/71 Heading A5R A syringe comprises a barrel 1 having a closed end 2 and an open end, and a single piece of flexible plastics forming a cannula 4, a piston having an end wall 8, and a cylindrical wall 16, the cannula having a fluid receiving end 5 pointing towards the closed end of the barrel, and the piston having an annular flange 11 diverging towards the closed end of the barrel, the flange being thick and non- feathered and being of sufficient stiffness to form a seal with the bore of the barrel. The piston also has a peripheral flange 9, and axially extending ribs 18 may join the cannula and wall 16. The syringe may be made from polypropylene and may contain a fluid for treating mastitis. A protecting cap 7 may be provided.
Patent GB-1432199-A (GB)
Title: Circuit arrangements comprising a switching transistor
IPC: H03K17/0412
Filed: 1973-12-17
Abstract: 1432199 Transistor switching circuits PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 17 Dec 1973 [20 Dec 1972 13 Aug 1973] 58379/73 Heading H3T A switching circuit has a switching signal 5 supplied to the base of a switching transistor TR1 via an amplifier TR2 having a current sensing impedance R connected between the amplifier output and the base of the switching transistor TR1 and the amplifier TR2 is included within a negative feedback loop in which a feedback signal is derived from the collector of a feedback transistor TR3 the base-emitter of which is so connected across the current sensing impedance R that the base current of the switching transistor TR1 forward biases the base-emitter junction of the feedback transistor TR3. The negative feedback loop is operative such that when the temperature of the circuit is increased from a low temperature (50‹ C. below a nominal temperature) to a nominal temperature the base drive current to TR1 is reduced, in view of the higher current gain of the transistor TR1 at the nominal temperature as compared to that at the lower temperature, but is sufficient to ensure saturation of the transistor TR1 with a power dissipation less than that occurring in a known circuit (Fig. 1, not shown) where excessive power dissipation at high temperatures is most troublesome particularly if the circuit arrangement forms part of an integrated circuit assembly. The reduction of base drive current as the temperature increases occurs due to reduction in the base-emitter junction voltage of the transistor TR3 to which the voltage drop across the resistance R is matched by the feedback arrangement. Due to this matching the current applied to the base of TR1 is largely independent of supply voltage variations or variations in the signal source magnitude 5. A bleeder resistor may be connected to the base electrode of the switching transistor TR1 to accommodate reverse base currents whilst switching from the conductive to the non-conductive state.
Patent GB-1411382-A (GB)
Title: Methods of analysis
IPC: G01N23/00
Filed: 1971-12-16
Abstract: 1411382 Measurement of radio-activity in competitive assay RADIOCHEMICAL CENTRE Ltd 18 Dec 1972 [16 Dec 1971] 58566/71 Heading G1B In performing an analysis in which a radioactive element or compound is partitioned between two phases, the level of radio-activity of at least one of the phases is measured while that phase is in contact with the other phase. In one embodiment a lead base surrounds the tip of a centrifuge tube containing a solid phase, the supernatant liquid phase being unscreened. In another embodiment, only a part 25 of the liquid phase 22 overlying a sediment 24 is exposed by shielding 18, 19 and measurements are made.on that part.