baber/WOPTO huggingface dataset:
Patent GB-1106549-A (GB)
Title: Television signal mixing apparatus
IPC: H04N5/265
Filed: 1965-06-11
Abstract: 1,106,549. Television. FERNSEH G.m.b.H. 11 June, 1965 [11 June, 1964], No. 24882/65. Heading H4F. Incoming television signals 1, 2, 3 are selected by a first cross-bar switch 14 and applied to an output 45 via a second cross-bar switch 37, a change-over switch 44 and a fader stage 55. The incoming signals may or may not be synchronous with a local synchronizing source 7 and in accordance with the invention the manner in which the apparatus operates to fade from one selected signal to another is determined by synchronism detection circuits 27, 28, and 53. Thus if the selected signals from the first cross-bar switch are both synchronous, switches 30 and 31 are operated to their upper positions and the signals pass via manual faders 36 and 46 to an adder stage 48 and thence to the second cross-bar switch. Manual cross-fades may then be made since the simultaneous presence of the signals at the output will not disturb synchronization. However, if one or both of the signals are asynchronous switches 30 and/or 31 are operated as appropriate to the lower positions and the signals pass to crossbar switch 37 directly. In addition warning lamps 32 and 33 are lit. Fade-over in this case is effected automatically in the form of a " cut " (i.e. an instantaneous fade to zero of one signal and a fade to maximum of the other) or a " fade-down-and-up " (i.e. a timed fade to zero of one signal followed by a timed fade to maximum of the other). The operation is initiated consequent upon actuation of push-buttons (not illustrated). or by inadvertent operation faders 36, 46, by fader 55, switch 44, synchronism detector 53 (plus warning lamp 54) and trigger stage 52 which is controlled by a vertical synchronizing source 57. The operation is such that the " cut " or " fade " takes place during a vertical blanking interval when the two signals are momentarily in synchronism. The connections in the cross-bar switches are made by relays, the operation being such that a selected signal is applied to a vacant output connection. Circuit 47 ensures that the synchronizing signal amplitude is not affected by the operation of faders 36 and 46. Stages 4, 5 and 6 are provided to permit synchronizing signals to be added to blanked synchronous incoming signals. A further synchronous detector 58, provided with warning light 59, inhibits the operation of faders 36 and 46 when an asynchronous signal appears at output 45. The detector may also prevent a synchronous test line signal being added to an asynchronous output. A detailed circuit of part of the apparatus is described with reference to Fig. 2 (not shown).
Patent GB-956337-A (GB)
Title: Vesicular image-forming materials
IPC: G03C5/60
Filed: 1962-06-28
Abstract: 956,337. Prenucleated vesicular materials. EASTMAN KODAK CO. June 28,1962 [July 3, 1961], No. 24884/62. Heading G2C. Light sensitive vesicular materials before imagewise exposure and development, are given a uniform exposure to radiation to which they are sensitive so that there is an increase in specular optical density of 0. 03 to 1. 5 density units over the unexposed material, uniformly heating the exposed material thus formed and then leaving the material for at least 12 hours between 0 and 35‹C. before use. This 'pre-nucleation' increases the speed and reduces the contrast. Specified light sensitive compounds are diazonium salts, azido and azido-carbonyl compounds. The vesicular material is generally uniformly exposed for 10 to 60 seconds with no filter or from 30 to 100 seconds with a 0. 5 neutral density filter and heated from 45 to 70‹C. for 5 to 10 seconds. Subsequent image-wise exposure is from 2 to 24 minutes and heat development is from 2 to 30 seconds at 85‹ to 105‹C. Specification 956,336 is referred to.
Patent GB-1548596-A (GB)
Title: Monitoring of bearing rings of printing machine cylinders
IPC: B41F13/34
Filed: 1976-06-16
Abstract: For the precise adjustment of the pressing-on force between two bearing rings (2) of a printing machine, the contact point (7) of the bearing rings is incorporated in an electrical measuring circuit. By means of the measuring circuit, an electrical characteristic value of the contact point, for example the transition resistance, is measured and displayed. In order to be able to carry out the method, the running surface of the bearing rings is electrically insulated in relation to the adjacent machine parts. The two running surfaces are connected to the device (8) for measuring the electrical characteristic value, for example via sensors (10). <IMAGE>
Patent GB-1340155-A (GB)
Title: Aircraft landing speed control apparatus
IPC: G05D1/06
Filed: 1972-05-26
Abstract: 1340155 Controlling aircraft Àlanding speed BODENSEEWERK GERATETECHNIK GmbH 26 May 1972 [3 June 1971] 25028/72 Heading B7G [Also in Division G3] Apparatus for controlling the landing speed of an aircraft includes a command signal generator which includes computing means for computing, from the all-up weight of the aircraft, the aircraft speed required for landing, the computed speed signal being used in determining a control signal for controlling the landing speed of the aircraft. Aircraft all-up weight is set on a knob 22 which is coupled with a digital indicator 24 and the wiper of a potentiometer 40, the output voltage from which will be proportional to the speed V L  of the aircraft with retracted flaps, associated with the set all-up weight. Since the signal V L  would be reduced as the landing flaps 46 are extended a potentiometer 44 is adjusted by the flaps through link 48 to provide a flap position signal to a differential amplifier 56 to which the signal V L  also is fed. The output VSI from amplifier 56, as a landing speed command signal is fed through a switch 28 to an amplifier 62 which receives also a further signal V representing actual aircraft speed, from an encapsulated sensor 30. The output #V from amplifier 62 is fed to a computer (32, Fig. 1, not shown) which receives also a signal representative of short term linear accelerations of the aircraft, the computer controlling a servomotor for controlling the aircraft landing speed by adjusting the engine throttles. In an alternative embodiment (Fig. 3, not shown) the potentiometers are replaced by synchros.
Patent GB-901205-A (GB)
Title: Improvements in or relating to the production of aromatic mixed aliphatic-aromatic or aromatic thienyl ketones
IPC: C07D333/22
Filed: 1958-08-05
Abstract: Aromatic, mixed aliphatic-aromatic or aromatic-thienyl ketones are prepared by reacting together a halide or salt of a monocarboxylic acid of the general formula R1.COOH with respectively a salt or a halide of ortho, meta or pyro-phosphoric acid or a mixture thereof to form a mixed anhydride, R1 in the formula representing an aliphatic, aliphatic-aromatic or aromatic hydrocarbon radical from which free hydroxy, sulphydryl and amino groups are absent, and said salt of the carboxylic or phosphoric acid being a salt of a metal other than an alkali or alkaline earth metal, and reacting the resulting mixed anhydride with an aromatic compound RH where R represents a phenyl or naphthyl residue substituted by at least two hydrocarbon radicals or by at least one ether group or by at least one mono- or di-acylamino group, or where R represents an unsubstituted thienyl residue, so as to produce a ketone of the formula RCOR1. The mixed anhydride may be prepared and isolated and then reacted with the compound RH or alternatively the salt and halide may be reacted in the presence of the compound RH e.g. at 100-150 DEG C. in the presence of a diluent such as a nitroparaffin or excess RH.  A trace of water may be added to the reactants to facilitate reaction.  In examples silver ortho, meta or pyrophosphate is reacted with an aromatic carboxylic acid chloride and the resulting anhydride with the compound RH to give phenyl thienyl ketone and 4 - acetylamino-, 21 - chloro-4-methoxy-, 2,4,6-trimethyl and 4-methoxy-benzophenone; the last mentioned compound is also prepared by reacting silver benzoate, phosphorus oxychloride and anisole and 4-methoxy-stearophenone by reacting cupric stearate, phosphorous oxychloride and anisole.
Patent GB-585492-A (GB)
Title: Improvements in folding or collapsible crates or boxes
IPC: B65D6/16
Filed: 1944-12-14
Abstract: 585,492. Folding crates. JANES & GREEN, Ltd., JANES, A. R., and GREEN, H. E. Dec. 14, 1944, No. 25067. [Class 18] [Also in Group XXV] The hinges of a folding crate or box are constructed by forming saw-cuts d, Fig. 3, in the ends of the parts to be hinged together, placing metal connections e in the saw-cuts and passing wires or rods g through them as shown. In the crate shown in Fig. 6 battens k on front o are hinged to the front ends of the battens of the bottom p<1>. The front vertical edge of end wall q is connected to the left hand vertical edge of front o and the rear vertical edge of wall q to the left edge of back o<1>. The rear ends of battens j of the lid p are hinged to the upper ends of battens k<1> of the back wall o'. The box folds as in Fig. 7.
Patent GB-302995-A (GB)
Title: Tread applier
IPC: B29D30/16
Filed: 1928-08-31
Abstract: 302,995. Goodyear Tire & Rubber Co., (Assignees of Kraft, H. T.). Dec. 24, 1927, [Convention date]. Tyre covers, making. - In a machine for applying the tread to a tyre casing on a rotary core, means are provided for stretching the mid-portion of the tread-strip into arched cross-section as it is fed to the core. As shown, the tread-strip 142 is fed between a pair of rolls 77, 78 and a pressureroller 88 to a stitcher-roll 99 mounted above the core 17. The mid-portions of the rolls 77, 78 are fitted with intermeshing milled collars 79 and are geared to rotate at slightly different speeds so as to effect the stretching of the centre-run of the tread strip. The devices 77, 78 are carried by a bracket 48 on a. vertical shaft 46 so as to be swingable over, or away from, the core. A clutch 22, controlling the rotation of the rolls 77, 78 and the core 17. is normally held open by a spring 23 but is closed by the rotation of the shaft 46 when the bracket 48 is swung. into the operative position. The core is geared to rotate at a slower speed for the tread-laying operation than during the building-up of the casing.
Patent GB-1283266-A (GB)
Title: New oil- and water-repellent polyfluoro compounds
Inventor: BOUVET PIERRE CHARLES VICTOR
IPC: C09K23/02
Filed: 1970-05-26
Abstract: 1283266 Oil and water-proofing UGINE KUHLMANN 26 May 1970 [23 May 1969] 25111/70 Heading DIP [Also in Divisions C2 C5] Textiles are rendered oil andwater-repellent by treatment with a compound of formula wherein C n F 2n+1  is a polyfluoroalkyl group, n is 1 to 20, m is 2 to 20, Y is a -SO 2 - group or a direct linkage, R 1 , R 2 , R 3  and R 4  are hydrogen atoms or alkyl groups, p is 1 to 4, R; is a hydrogen atom, an alkyl or aryl group or a group -(CR 1 R 2 ) p  CR 3 R 4 OZ and Z is the residue of a polybasic mineral acid or of a polybasic organic carboxylic or sulphonic acid. Specified acids from which Z is derived are sulphuric, orthophosphoric, boric, oxalic, malonic, succinic, maleic, fumaric, glutaric, terephthalic, benzenedisulphonic and naphthalenedisulphonic acids. Textile materials specified are natural or regenerated cellulosic fibres, e.g. cotton and viscose, and nitrogenous fibres, e.g. wool, silk, or synthetic polyamides, or mixtures thereof. Proofing of cellulosic fibres is preferably effected in an alkaline medium, e.g. in the presence of sodium or potassium hydroxide or carbonate or trisoduim phosphate. Proofing of nitrogenous fibres is preferably effected in an acid, neutral or slightly alkaline medium, e.g. in the presence of sulphuric, formic, acetic, lactic or oxalic acid, ammonium sulphate or acetate, sodium acetate, sodium bicarbonate or carbonate, ammonia, pyridine, triethylamine or triethanolamine.
Patent GB-997505-A (GB)
Title: Control linkage for motor vehicle automatic transmissions
Inventor: GRAY DONALD JAMES
IPC: F16H59/08
Filed: 1963-06-25
Abstract: 997,505. Change-speed control. FORD MOTOR CO. Ltd. June 10, 1964 [June 25, 1963], No. 25179/63. Heading F2D. The range selector 31 of a change-speed control in which ratio shift is effected automatically in response to vehicle speed and torque demand, is remotely operated from a steering column mounted range selector lever through a shaft 23 universally coupled at one end 32 to the selector 31 and at the other end is mounted on the vehicle frame for free relative rotational, axial and pivotal movement so that rocking motion of the change-speed gear and engine is not transmitted to the operating linkage 7, 11, 13. The shaft 23 is connected to the selector 31 by a Hooke's type universal joint having one pivot axis parallel with the engine rock axis in the drive range. The other end 19 of the shaft 23 is axially slidable on a sleeve 25 having a part spherical socket engaging the ball end 27 of a stud 29 fast with the vehicle frame. Movement of the range selector lever (Fig. 1, not shown) rotates a hollow shaft 7 which acts through a lever 11 and rod 13 to turn a lever 15 fast with the shaft 23. The selected drive range is shown on an indicator (Fig. 1, not shown).
Patent GB-879825-A (GB)
Title: Improvements in pressure-multiplying devices
IPC: F15B11/072
Filed: 1960-07-20
Abstract: 879,825. Hydraulic intensifiers. AMP Inc. July 20, 1960 [July 27, 1959], No. 25235/60. Class 69 (2). A pressure-multiplying device comprises a lowpressure pneumatic cylinder 8 containing a piston 22 having a plunger 14 extending into a high - pressure hydraulic cylinder 2, and a reservoir 30 for the hydraulic fluid disposed within the pneumatic cylinder and arranged to be in communication with the hydraulic cylinder when the piston is retracted, the reservoir having a movable wall 20 maintained under pressure. The movable wall consists of a diaphragm clamped beyween a base portion 4 and the pneumatic cylinder 8 and is maintained under pressure by a conical spring 32 which also serves to urge the piston 12 and plunger 14 to a retracted position. In the latter position, a passage 28 is uncovered by the plunger to permit fluid from the reservoir to pass into the hydraulic cylinder. As the plunger is moved forward by pneumatic pressure supplied through a port 16, the passage 28 is closed and highpressure hydraulic fluid is delivered through a port 40. The liquid in the reservoir can be replenished through a cap 42. The diaphragm is protected from damage by the spring by a plastic tube 34, the tube also increasing the bearing area of the spring. In another embodiment, the plastic tube is replaced by a semitoroidal member having a radius of curvature slightly less than that of the surface 18 of the reservoir. The device may be used in apparatus for crimping electrical terminals or setting rivets.
Patent GB-407077-A (GB)
Title: Improvements in methods of preparing cement raw materials
IPC: C04B7/40
Filed: 1932-09-10
Abstract: Cement raw material, either meal or slurry, is prepared for use as a gas-permeable layer by adjusting the water content and intensively mixing the material until it becomes homogeneous and of the consistency of moist earth, in which condition it is gas permeable when formed into layers and does not require further treatment such as modulizing or briquetting.  The water content is of the order of 10-20 per cent of the mass.  The mixing may be effected by stirring and grinding on an edge-runner, in a drum with grinding bodies, or in devices similar to those used in mixing concrete.  Calcined or partially calcined cement meal may be added to the material.
Patent GB-761193-A (GB)
Title: Improvements in devices for elevating a liquid, in particular a lubricant, in a spinniug or twisting spindle mechanism
IPC: F16N7/36
Filed: 1954-08-31
Abstract: 761,193. Centrifugal pumps. BREVETS AERO-MECANIQUES SOC. ANON. Aug. 31, 1954 [Sept. 22, 1953], No. 25275/54. Class 110 (1). [Also in Group XXXIV] A device for lubricating a spindle 6 driven by means of a worm 5 and worm-wheel 4 comprises a sleeve 1 rotating about a substantially vertical axis and surrounded by a cup-shaped member 2 which at the bottom has a frusto-conical wall T and a central hole o, the arrangement being such that as the sleeve 1 rotates liquid from an oil bath H passes up through the hole along a passage P and moves upwardly along the inner wall of the sleeve 1. The passage p may also have an inner frusto-conical wall formed by a support 7 for the spindle 6, and the lower edge of the sleeve 1 may be frusto-conical. Specification 711,649 is referred to.
Patent GB-382023-A (GB)
Title: Improvements in or relating to servo operating mechanism for vehicle brakes
IPC: B60T13/24
Filed: 1931-09-09
Abstract: 382,023. Fluid-pressure brakes. FAGARD, J., 24, Eastgate, and CLAYTON DEWANDRE CO., Ltd., Titanic Works, both in Lincoln. Sept. 9, 1931, No. 25327. [Class 103 (i).] Relates to vehicle brakeoperating mechanism employing engine-suction or other fluid pressure, in which the control pedal or lever has a lost-motion connection with the brakes and in which movement of the pedal relatively to the brakes controls a fluid-pressure device which applies the brakes, the pedal being connected to the brakes through a balance-lever arranged to react on the pedal to enable the operator to feel the brake pressure. The balance-lever 10 is pivoted to the pedal 1 and is connected at one end by a rod 12 to the piston 13 of vacuum cylinder 9, and at the other end by a cable or link 14 to the brakeoperating transmission at a point between the brakes and the lost-motion connection between the pedal and the brakes. The pedal, fixedly pivoted at 2, is connected to an arm 5, on a shaft 6 connected to the brakes, by a pull rod in two parts 3, 4 embodying the lost-motion device, the part 4 being fixed to, and the part 3 free to slide in a movable valve casing 7 connected by a conduit 8 to a source of suction and containing valve mechanism for controlling the suction to the cylinder 9 fixed to the casing 7. On depression of the pedal the resultant suction in the cylinder 9 causes the cylinder to pull on the rod 4, and also the piston 13, through the linkage 12, 10, 14 to apply the brakes, the balance-lever reacting on the pedal. The brakes may be applied directly through the lost-motion connection on failure of the suction supply. In a modification the cylinder 9 is fixed to the vehicle frame and in a second modification, in order that it may reciprocate longitudinally, the cylinder is pivoted to one end of a lever centrally supported on a fixed pivot and is connected by linkage to the rock shaft 6. The cylinder and piston may be replaced by a collapsable bellows system and the balance-lever by a pulley mounted on the control pedal.
Patent GB-809519-A (GB)
Title: Multi-roller safe torque drivers
Inventor: BETTER BERNARD RAYMOND
IPC: F16D43/208
Filed: 1956-08-20
Abstract: 809,519. Screwing and tapping. SCULLYJONES & CO. Aug. 20, 1956, No. 25428/56. Class 83 (3). [Also in Group XXIV] A safe-torque clutch for a screw-thread tapping device or the like comprises a driving shell 12 having a degree of resilience and a tapered bore 15, a driven member 17 within the shell with a corresponding tapered-portion 18 and longitudinal cam-ridges 32, and a series of rollers 16 between the two members. The rollers are retained by a cage 30 which, at its lower end, has longitudinal grooves 37 cooperating with balls 36 which also engage in a circumferential groove 35 in the driven member 17. The driven member is located axially in the driving shell 12 by a bearing 21 and a screwed sleeve 23, and is adjusted thereby to vary the value of the safe-torque to be transmitted. A locking-sleeve 38 is provided to hold the parts in adjusted position. In operation, on rotation of the driving shell 12 in one direction, the rollers 16 are moved into wedging positions by a friction drag-ring 29 acting on the cage 30, and torque can be transmitted to the driven member 17. On the safe-torque being exceeded, the rollers 16 ride over the tops of the cam ridges 32 by deforming the shell 12 to break the drive. The rollers 16 are held in a drive-released position intermediate the camridges 32 by one of the balls 36 engaging a blind portion of the groove 35. Reversal of drive will re-couple the drive in the reverse direction until the safe-torque is exceeded in this direction. If over-riding does not occur in the reverse drive, the rollers 16 will be re-set ready for forward drive again, but if overriding does occur then a re-setting operation is necessary.
Patent GB-929878-A (GB)
Title: Magnetic recorder
Inventor: FARRAND WILLIAM A
IPC: G11B5/60
Filed: 1959-07-24
Abstract: 929,878. Digital data &c. electrical. NORTH AMERICAN AVIATION Inc. July 24, 1959, No. 25453/59. Class 12 (1). [Also in Groups VIII and XXX] When rotated, a magnetic disc creates its own boundary-lubricated air bearing. Record and read heads 13, 14 are mounted in a head plate 12 for co-operation with the magnetic disc 5 which has a centre portion 6 of reduced thickness. At low speeds the disc 5 assumes the lowest position permitted by thrust bearing 4. At higher speeds solenoid 9 energizes to lift the disc 5 and shaft 2 to the uppermost position allowed by bearing 4. Lubrication is now dependent on the air bearing between the disc 5 and the head plate. The air bearing is created by depressions in the head plate, an example being shown in Fig. 4. Record and read heads, Figs. 5, 6. These heads comprise E- shaped polepieces, the outer limbs of which are embraced by ferrite material of high initial permeability and high bulk resistivity. A space round the centre polepiece 33 of the record head, Fig. 5, is filled with a plastic dielectric.
Patent GB-749022-A (GB)
Title: Skip conveyor installations for the upcast shafts of mines
IPC: B66B17/26
Filed: 1953-09-15
Abstract: 749,022. Belt conveyers feeding skip hoists. SKIP CIE GES. Sept. 15, 1953 [Sept. 26, 1952], No. 25464/53. Class 78 (4). The skips 1, 2 (Figs. 1 and 3) of a skip hoist in an upcast mine shaft are fed by or discharged to, one or more conveyer belts 4, 5 disposed in air-locks. In the arrangements of Figs. 1 and 3 two conveyers 4, 5 delivering material to the skips are separated by a wall 14 so that each is in its own air-lock, the doors 12, 13 and 8, 9 of which are interlocked so that the inlet and outlet gates are never opened together. The belts are fed from a tippler 6 via a shoot 7 and deliver to the skips by shoots 10, 11. A belt conveyer may deliver material to the shoot 7 in place of the tippler 6. In the alternative arrangement of Fig. 8 a single belt 18 delivers to the skips through selectively operated gates 20, 21 neither of which is open at the same time as the inlet gate 24 to the lock in which the conveyer is disposed. A single belt may be arranged to move horizontally to deliver to either of the skips. Fig. 12 shows a pair of belts 33, 34 disposed in separate air-locks and delivering material from the skips 1, 2 to one or two conveyer belts 45, 46. The two belts 33, 34 in separate locks may be replaced by a single belt to which both skips discharge through selectively operated gates 39, 40 neither of which is open when the tail-end or gates 41, 42 are open. The belts may run at two speeds, one for receiving material and one for discharging it, and their controls, and those of the gates, may be interlocked with the controls for the skip hoist. The tippler 6 may be included within the air-locks of the belts. Specification 695,888 is referred to.