baber/WOPTO huggingface dataset:
Patent GB-856971-A (GB)
Title: Improvements relating to automatic telephone and like selective systems
Inventor: WARMAN BLOOMFIELD JAMES
IPC: H04Q3/00
Filed: 1956-08-01
Abstract: 856,971. Automatic - exchange systems. SIEMENS EDISON SWAN Ltd. July 24, 1957 [Aug. 1, 1956], No. 23746/56. Class 40 (4). In a system in which a selector is controlled by impulses reverted by it to a control circuit of the type in which certain contacts in the bank of the control wiper SW are connected to a first potential (+50 volts) and others to a second potential (- 50 volts) the through connection TC established between the control wiper SW and the control circuit includes the series connection of a capacitor C and the primary winding of an impulse-generating transformer TR and terminates at a point of datum potential (ground). If the selector under control is a group selector each contact which corresponds to the first outlet of a group is connected to + 50 volts or - 50 volts according as the group is an odd or even-numbered group, whereas if it is a final selector the contacts are alternately connected to +50 volts and - 50 volts. Whenever the control wiper SW reaches a contact the potential of which is different from that previously connected to the wiper, an alteration in the charge on capacitor C occurs and the current which flows in the primary winding of TR to bring about this alteration produces a pulse in the secondary winding of TR. This pulse is rectified at RM and applied to terminal OT as a control impulse, being caught at +50 volts by rectifier CR. The arrangement prevents the repeated applications of the same potential to wiper SW, which are produced by contact bounce, from giving rise to spurious control impulses.
Patent GB-320986-A (GB)
Title: Apparatus for separating liquids of different densities
IPC: B01D17/02
Filed: 1928-08-17
Abstract: 320,986. Pink, F. Aug. 17, 1928. Separating by gravity. - In apparatus for separating liquids, such as oil and water, comprising a vessel into which the mixture is passed continuously, the lighter liquid separating as an upper layer and the heavier liquid being continuously discharged, the outlet for the heavier liquid is controlled automatically by the accumulation of the separated lighter liquid so as to give a discharging head or pressure to expel the lighter liquid. The mixture is supplied to a tank 1 through an inlet 2 and cone-shaped trunk 3, lighter liquid collects in compartments 4, 12, 13. 14, and the heavier liquid is normally discharged through an outlet 10. When a suitable layer of lighter liquid has collected, the outlet 10 is closed by a float 8, which sinks in the lighter liquid, the float operating the valve through mechanical, fiuid pressure or electrical means as described in Specification 218,462. The heavy liquid is then temporarily discharged through an outlet 11 and the lighter liquid through outlets 6. Rise of the heavy liquid subsequently causes floats 7 to close the outlets 6, and the float 7 for the compartment 4 in rising opens the valve 10 by mechanical, fluid pressure or electrical means. Weirs may take the place of the outlets 6. It is stated that the float 8 may be arranged to both open and close the outlet 10. Specification 235,647 also is referred to.
Patent GB-1434514-A (GB)
Title: Camera lens hood
IPC: G03B11/04
Filed: 1974-05-29
Abstract: 1434514 Lens hoods J R CHOATE 29 May 1974 [17 Sept 1973] 23818/74 Heading G2X A hood and cover for a camera lens is made of flexible material, the hood fitting on to the lens barrel and the cover being pivotally attached to the hood. Fig. 1 shows the front element 22 of the lens system, the lens barrel 24 having a threaded front end 26 for attaching accessories thereto. An adaptor ring 28 is shown as screwed on to a barrel 24, and a conical hood 30, of rubber or a similar flexible material, has an annular groove 40 which snaps over a flange 42 on the ring. The flat cover 32, also of rubber, is pivoted to the upper part of hood 30 by a wire frame assembly 34 which fits round a boss 54 on the foot of the cover. An extension arm 72 and knob 76 enables the cover to be pivoted, and it can be held at any position between fully closed and fully open by a series of detents 78.
Patent GB-264762-A (GB)
Title: Stuffing box packing ring
IPC: F16J15/24
Filed: 1926-09-28
Abstract: 264,762. Allen & Sons, Ltd., M., Allen, V. M. B., Allen, T. W., and Bates, J. P. Sept. 28, 1926. Stuffing-boxes, substitutes for; packing, compound metallic and non-metallic; packing, extracting.-Packing for a rotary shaft comprises a rubber ring c bearing on a shoulder on the shaft and disposed between antifriction metal rings a, b. the rings being locked together by pins c<2>. The ring c is split at one point, and the rings a, b are in halves with stepped joints the pins c<2> passing through the joints. A spring may be inserted between the packing and the gland d. The packing is removed by inserting wires in holes in the rings.
Patent GB-150273-A (GB)
Title: Improvements in or relating to permanent magnets for dynamo electric machines
IPC: H02K21/22
Filed: 1920-08-16
Abstract: 150,273. PickÚe, D. J. Aug. 16, 1919, [Convention date]. Magneto-electric machines. - The permanent magnets of magnetos for internal-combustion engines of the rotating fly-wheel magnet type are constructed from sheet steel segments and form a smooth rotatable fly-wheel bodv of circular contour and symmetrically disposed relatively to the two main axes through the pole pieces. In the four-polar example shown, the segments a at the pole-ends b overlap and are closely superimposed and firmly secured together, whilst the connecting- parts of the segments have air spaces c between them equal to the thickness of the plates.
Patent GB-1193420-A (GB)
Title: Wiring Loom
Inventor: DOBEDOE THOMAS JAMES LEONARD
IPC: H01B7/08
Filed: 1969-05-10
Abstract: 1,193,420. Cable harness. FORD MOTOR CO. Ltd. 10 May, 1969, No. 23931/69. Heading H2C. [Also in Division H1] A wiring loom for a motor car is manufactured from an insulating interlayer 10 having strip conductors 11 running longitudinally on one side and similar conductors 12 running transversely on the other. Electrical connections are established by welding or riveting through the interlayer at selected cross points and both sides are then coated with flexible insulating material such as P.V.C. Before coating, the connections may be tested and the circuit divided by punching holes to provide breaks in transverse and/or longitudinal conductors. Ends of conductors not required for external connection may also be notched out so that they become sealed within the coating. After coating, unwanted parts of the interlayer are cut away and the loom is slit to provide main and branch conductors. A number of conducting strips may be used in parallel to suit the current required.
Patent GB-1349211-A (GB)
Title: Active type group-delay equaliser
IPC: H03H11/18
Filed: 1972-05-22
Abstract: 1349211 Transistor equalizer circuits NIPPON ELECTRIC CO Ltd 22 May 1972 [20 May 1971] 23990/72 Heading H3T A group delay equalizer comprising impedances Z a , Z b , at least one of which is reactive, coupled from the emitter and collector electrodes of transistor Tr 1  to an output terminal 2 is characterized by the provision of emitter and collector circuit impedances Z 1 , Z 2  whose values satisfy the condition when Z b  is reactive, and satisfy the condition when Z a  is reactive, where and h 11 , h 21 , h 22  are the h-parameters of transistor Tr 1 . Such values of Z 1 , Z 2  minimize the effects of collector base capacitance. Particular embodiments are shown in which, when Z 2  is resistive, Z 1  is a parallel RC circuit. Figs. 3, 5 (not shown), and in which when Z 1  is resistive Z 2  is a series LR circuit, Fig. 4, 6 (not shown). In these arrangements either Z a  or Z b  is a pure resistance, but a further improvement may be obtained by including a shunt capacitor or series inductor in the resistive arm, Figs. 7-10 (not shown).
Patent GB-171762-A (GB)
Title: Improvements in dental hand piece
IPC: A61C1/14
Filed: 1920-08-18
Abstract: 171,762. Anzelewitz, A. Aug. 18, 1920. Chucks.-Relates to means for actuating the jaws of a double-coned chuck 17 in a dental handpiece of the type comprising a cylindrical casing, a hollow barrel member rotatably mounted therein and connected to a shaft attached to a torque driving cable, and which, at its forward end, forms a housing for the chuck, and comprises screw threads on the barrel which coact with screw threads on the shaft to produce relative rotation and longitudinal movement of the shaft and barrel to cause the chuck to grip or to release the tool. One construction, Figs. 2 and 6, comprises an exterior portion of the handpiece within which the cylindrical casing 16 is housed, one end of which extends beyond the exterior portion 15. Within the casing 16 is mounted the hollow barrel 18, which at its forward end houses the chuck 17, Fig. 2, and at its rear end is formed with screw threads for engagement with screw threads 24 formed on the shaft 21, the extended portion 28 of which is secured to the end of a torque driving cable. To operate the jaws of the chuck the shaft 21 is stopped and the operator grasps with one hand a collar 29 fast mounted on the barrel 18 and with the other hand pushes forward a member 39, against the action of a spring-pressed plunger 36, until teeth 38 on member 39 coact with a pin 25, whereupon the member 39 is rotated, thus causing relative rotation and longitudinal movement of members 18 and 21 to occur so as to release or clamp the jaws of the chuck. Between the forward end of the shaft 21 and the chuck closing members 19, and situated in recesses 22, 20 therein, is placed a spherical member 23 to ensure alignment of the chuck and shaft. In modified constructions the member 39 is replaced by a member permanently fast to the shaft 21.
Patent GB-1465169-A (GB)
Title: Corrosion-resistant coatings for metallic substrates
IPC: C23C2/08
Filed: 1974-05-30
Abstract: 1465169 Multiple metallic coatings USUI KOKUSAI SANGYO KK 30 May 1974 24106/74 Headings C7B and C7F A metallic substrate is provided with a corosion resistant coating comprising an inner Zn layer, an intermediate Cu layer and an outer Sn layer, the Cu and Sn layers being alloyed at their interface. The substrate may be iron or steel and may have an initial coating of Cr, Cd, Co, Ni, Sn, Pb or electrolytic Cu. The layers may be applied (e.g. to a pipe) by hot dipping or electro-plating, it being necessary in the latter case to heat the coatings e.g. in air or a silicone, to alloy the Cu and Sn. Alternatively the Cu is electro-plated and the other layers hot-dip applied. In electro-plating, an acid ZnSO 4  bath, an alkaline CuCN bath and an acid (pH 1-4) SnSO 4  bath may be used, with intermediate HNO 3  activation of the fresh plated layers.
Patent GB-1411907-A (GB)
Title: Window regulator for motor vehicle
IPC: B60J1/17
Filed: 1973-05-21
Abstract: 1411907 Window operating mechanism NISSAN MOTOR CO LTD 21 May 1973 [23 May 1972] 24163/73 Heading E2M In a window regulator mechanism 16 for raising and lowering a vehicle window 14, a first regulator arm 28 is secured at its one end to a gear segment 22 meshing with a window winder pinion gear 24 mounted on the inner panel 12 of the vehicle door, the other end of the regulator arm 28 being slidably connected at 34 in a guide rail 18 to which the window 14 is secured, a second regulator arm 30 being pivotally connected to the first regulator arm at 32 intermediate the ends thereof and slidable at one end 38 in the guide rail 18 and at its other end 40 in a guide rail 50 formed integrally with the door inner panel 12 as shown in Figs 3 and 4. Fig 1 illustrates a prior art consideration where the lower guide rail 42 is formed as a separate unit bolted to the inner panel 12. As shown in Figs 3 and 4 the guide rail 50 is formed with two enlarged lid portions 52 to receive an enlarged portion 54a of a roller 54 provided at the lower end of the second regulator arm 30. A helical spring 36 biases the regulator arm 28 in a counterclockwise direction.
Patent GB-517091-A (GB)
Title: Imitation cigarette for display purposes
IPC: G09F19/10
Filed: 1938-08-17
Abstract: 517,091. Display cigarettes. CAUDLE, F. J. Aug. 17, 1938, No. 24222. [Class 3 (ii)] [Also in Group XV] An imitation cigarette for advertisement or display is constructed with a cylindrical tube of cartridge paper covered with a cigarette paper printed with' a description or name and closed at the ends by cones made of plaster, wood, cork, rubber or other hard substance, the exposed ends being printed to represent tobacco or coated with real or imitation tobacco.
Patent GB-857904-A (GB)
Title: Improved supply apparatus for feeding frit to the surface of molten glass
Inventor: LAUCK ALBERT GEORGE
IPC: C03B3/00
Filed: 1959-07-15
Abstract: 857,904. Hopper discharge. OWENSILLINOIS GLASS CO. July 15, 1959, No. 24260/59. Class 78(1). [Also in Group XXIII] Apparatus for feeding frit to the surface of molten glass flowing through a forehearth includes a supply hopper for gravity feeding the frit to a transverse conveyer having a discharge outlet overlying the molten glass, the frit falling on to the surface of the molten glass through an enclosed hood containing interior baffles. In one form the frit falls from a hopper, through an adjustable gate into the conduit 23 containing a screw conveyer 18 which discharges it through an opening 31 into a hood having sloping side walls 33 but parallel end walls. A number of shafts 37 pass through the hoodcarrying baffles 35. Each shaft 37 carries at its end outside the hood, an arm 38 with a screw 39, moving in a slot in a bar 41, by which the shaft and the baffle may be clamped in a position of adjustment. The baffles 35 do not extend the full width of the hood but occupy a central zone defined by intermediate walls parallel to the end walls, A cooling air blast is directed through this central zone through a pipe 55 and also, through other pipes, not shown, through the zones between the intermediate walls and the end walls. The tapered hood ends in a chamber of rectangular section 45 through which pass pipes 46 having a further baffling action. The pipes connect tanks at either side of the chamber and cooling water is circulated through pipes 52, 53. The whole unit is mounted on levelling- screws 49 on refractory blocks 47 forming the walls of the channel in the forehearth through which the molten glass runs.
Patent GB-647589-A (GB)
Title: Improvements in or relating to cloth shearing machines
IPC: D06C13/00
Filed: 1947-09-03
Abstract: 647,589. Finishing fabrics. ZBROJOVKA BRNO, NARODNI PODNIK. Sept. 3, 1947, No. 24364. Convention date, Sept. 5, 1946. [Class 42 (i)] In a cloth shearing machine a displaceable rotating pile-raising brush 8 is mounted on pivotable levers 5 in front of the shearing assembly so as to be readily displaceable by the operator at the passage of a seam or the like, the degree of displacement of the levers 5 carrying the brush in the direction of the leading edge of a cloth tension rail 11, being limited by means of an adjustable screw 13. As shown, each lever 5 has arms 51, 5<SP>11</SP>, the arms 5<SP>11</SP> being loaded by springs 9 or weights. The bearings for the shaft 7 of brush 8 are secured to the arms 5<SP>1</SP> by screws 6 adjustable in slots, the position of shaft 7 being determined by screws 16. The axle 4 carrying levers 5 acts as a support for the cloth to be sheared. A handle 15 is attached to the arm 5 at each side of the machine. Brush 8 can be swung away from rail 11 when fabric is introduced into the machine, or at the passage of a seam, by depressing a handle 15 or by means of a pedal acting through a system of rods.
Patent GB-850334-A (GB)
Title: Phenoxazine derivatives and preparation thereof
IPC: H01G5/06
Filed: 1958-07-29
Abstract: The invention comprises compounds of the general formulae: <FORM:0850334/IV(b)/1> and <FORM:0850334/IV(b)/2> and their pharmaceutically acceptable acid addition salts (wherein R1 and R2 are lower alkyl groups with 1-3 carbon atoms and Z represents the atoms completing a pyrrolidino, piperidino, piperazino (including lower alkyl piperazino) or morpholino residue), and the preparation thereof by reacting phenoxazine with a g -di-(lower alkyl)-aminopropyl halide or a g -pyrrolidino-, g -piperidino-, g -piperazino- (including g -N1-(lower alkyl)-piperazino) or g -morpholino-propyl halide (wherein the halogen atom is a bromine, chlorine or iodine atom).ALSO:Pharmaceutical compositions or dosage forms comprise a compound of the general formula: <FORM:0850334/VI/1> and <FORM:0850334/VI/2> or a pharmaceutically acceptable acid addition salt thereof (wherein R1 and R2 are lower alkyl groups with 1-3 carbon atoms and Z represents the atoms completing a pyrrolidino, piperidino, piperazino (including lower alkyl piperazino) or morpholino residue) with a suitable carrier. They may be administered orally, and may be in the form of aqueous solutions or suspensions containing a sweetening agent, capsules containing an inert filler like lactose, elixirs, or tablets containing an excipient like milk sugar or starch.  The compositions have ataractic or tranquilising properties.  Specified salts are hydrohalides, malates, nitrate, sulphate, phosphate, acetate, lactate, maleate, citrate, tartrate, fumarate, gluconate and saccharate.
Patent GB-840899-A (GB)
Title: Improvements in the preparation of thermoplastic resin particles
IPC: C08J3/16
Filed: 1957-08-01
Abstract: High-bulk density thermoplastic polymeric resin particles are made by mixing low-bulk density thermoplastic resin powders of polyolefins or vinyl halide polymers with a solvent to form a gel-like to fluid solution, agitating the solution with an inert liquid which is a nonsolvent for the polymer and the polymer solvent while heating to below the melting temperature of the polymer, controlling the agitation so that the gel-like to fluid solution is dispersed throughout the inert liquid to form droplets from 0.02 to 0.25 inch average diameter, evaporating the solvent from the droplets at below the melting temperature of the polymer while maintaining a two-phase system by replacing inert liquid lost by co-evaporation with the polymer solvent, and separating the resulting high-bulk density particles from the inert liquid. Specified resins are polyethylene, polypropylene and vinyl chloride-acetate copolymer.  The solvent is preferably capable of being steam distilled, e.g. toluene, xylene, hexane, heptane and kerosene and the nonsolvent is preferably water. The polyolefins may be prepared by the low-pressure process.
Patent GB-302393-A (GB)
Title: Improvements in spring supports for furniture
IPC: A47B91/04
Filed: 1927-09-16
Abstract: 302,393. Spring Castor Co., Ltd., and Asher, H. Sept. 16, 1927. Tips.-In spring supports for articles of furniture, wherein the spring c is housed between telescopic cup-shaped members a, b the upper of which is secured to the article to be supported, a " grip neck " securing device m is used, the socket p being recessed into the article in the usual manner. Specification 276,562 is referred to.
Patent GB-1123115-A (GB)
Title: An improved resilient clip
IPC: F16B9/02
Filed: 1966-06-01
Abstract: 1,123,115. Spring clips. A. V. RAYMOND [trading as A. RAYMOND DRUCKNOPF UND METALLWAREN FABRIK]. 1 June, 1966 [29 June, 1965], No. 24457/66. Heading E2B. A resilient clip for attaching a pin 14 to an apertured support with the pin extending through the aperture comprises an annular portion 1 and two spaced resilient arms 2 which extend from opposite sides of the outer periphery of the annular portion generally in the same direction, wherein each arm is bent outwardly and away from the opposite arm intermediate its length and then inwardly so as to form a shoulder 6 and so that the free end portions 7 of the arms are inclined towards one another the maximum distance between the end edges of the arms being less than the internal diameter of the annular portion. The end edge of each arm is recessed or of V shape. The clip is intended to be used with a rectangular said aperture 12 in the support 13 with the annular portion in the aperture and the shoulders engaging the underface of the support; the aperture of the annular portion is approximately 25% greater in diameter than the diameter of the pin and this allows for some misalignment of the pin in the aperture which could arise when there is a plurality of pins and apertures. The pins can be part of a sign, name plate or an edge moulding.
Patent GB-1255470-A (GB)
Title: Improvements in or relating to washing machines
IPC: D06F37/30
Filed: 1970-05-20
Abstract: 1,255,470. Washing machines. PHILIPS GLOEILAMPENFABRIEKEN N.V. 20 May, 1970 [23 May, 1969], No. 24467/70. Heading D1A. In a method of using a washing and spin drying machine comprising a resiliently mounted tub accommodating a drum which is rotatable about a horizontal spindle, an electric motor for driving the drum at a washing speed and at a spin drying speed, a constant ratio transmission between the motor and the drum spindle, and water supply and drain means, after the washing operation (e.g. 50 r.p.m.) when the motor is changed over to the spin drying speed and the drum is accelerated with the tub still full of water an intermediate speed (e.g. 70 r.p.m.) is attained at which the torque delivered to the spindle and the. reaction torque are balanced until the water in the tub has been driven into rotation when the reaction torque is reduced and the drum acceleration continues. The drum accelerates through the critical speed range of 100 to 160 rpm to a second intermediate speed (e.g. 200 to 300 r.p.m.) when the drum may be balanced by introducing water into chambers secured to the drum. On draining of the water within the drum, the drum accelerates finally to the spin drying speed (e.g. 1000 r.p.m.). Although the pump may be switched on at the beginning of the spin drying cycle or when either of the intermediate speeds is attained, due to a time lag in its effective operation, the tub is not drained before the second intermediate speed is attained. As shown the tub is suspended by helical springs and is provided with dampers. The motor may be an AC motor with two windings or may be a permanent-magnet induction direct current motor fed by an electronic speed control device. The latter motor may be connected in series with a heater for the tub and braking may be effected by causing the motor to act as a generator for the heater.
Patent GB-792006-A (GB)
Title: Improvements in or relating to the preparation of single crystals of silicon
Inventor: BRADSHAW STANLEY EDWIN
IPC: C30B15/00
Filed: 1955-08-25
Abstract: <PICT:0792006/III/1> In a method of preparing a single crystal of silicon by dipping a seed crystal in a melt of silicon and progressively withdrawing the seed crystal upwards so that a single crystal is propagated from the seed, the silicon is purified by maintaining the melt at a temperature at least 30 DEG  C. above the melting point of the silicon under a vacuum corresponding to a pressure of not more than 10-3 millimetres of mercury before the seed is dipped into the melt, and the vacuum is maintained thereafter during the growing of the crystal.  Silicon 25 is placed in a silica crucible 7 and a vacuum corresponding to 10-5 to 10-6 millimetres of mercury is obtained by a pump connected to a tube 5.  The silicon is melted by energizing a heater 8 in the form of a graphite cup holding the crucible 7, and the temperature is raised to 30 DEG  C. above the melting point of the silicon to evaporate impurities.  The temperature is measured by a thermocouple 20, 21.  After an hour a silicon seed crystal 26 in a chuck 23 on a rod 22 is dipped into the molten silicon 25, and the temperature is lowered to the point at which it begins to solidify on the seed 26, and a single crystal is grown by slowly moving the rod 22 upwards and rotating it.