baber/WOPTO huggingface dataset:
Patent GB-1395465-A (GB)
Title: Shutter control systems for regulating air flow
IPC: F25B49/02
Filed: 1973-07-03
Abstract: 1395465 Radiator shutters KYSOR INDUSTRIAL CORP 3 July 1973 [3 July 1972] 31707/73 Heading F4S A shutter assembly for regulating air flow over the radiator (R, Fig. 3) of a liquid-cooled vehicle engine, wherein the vehicle has also an air conditioning system including a compressor 38 and a condenser (C, Fig. 3) comprises (a) two groups 11, 11a of shutters normally biased towards an open position (e.g. by springs 32, 32a) and individually actuated towards a closed position by control means such as hydraulic cylinders 24, 24a and associated pistons 30, 30a, (b) means 34 for actuating both control means together to close the shutters until the vehicle engine has reached a predetermined temperature, and (c) means such as a valve 48 for disconnecting the shutters 11a from the control means 34 so as to allow them to be returned by the biasing means (e.g. springs 32a) to the open position. In use, the means 34 is mounted on the vehicle engine to sense the engine temperature and initially (e.g. on starting up) allows fluid from a pressure source 33 (e.g. a pump) to flow through conduits 35, 36, 52, 54 to hydraulic cylinders 24, 24a to close the shutters against the action of springs 32, 32a. If the vehicle air conditioning circuit 40 is now brought into use, an electromagnetic clutch 40 for driving the air compressor 38 is energized to connect the compressor to an engine driven pulley 42, and simultaneously a valve 48 is actuated to cut off the supply of pressure fluid (from source 33) to the hydraulic cylinder 24a so permitting the spring 32a to open the shutter group 11a, this group controlling air flow to the condenser (c) of the air conditioning system. Opening of the shutter group 11a under these conditions is limited by a gap 56 between actuator bars 22, 22a of the respective shutter groups. In normal use with all the shutters open and a sufficiently high engine temperature to allow the valve 34 to close, no pressure fluid is supplied to the conduit 54 and hence closure of the valve 48 when the air conditioning system is brought into use has no effect on the shutters 11a. As shown, the condenser of the air conditioning system is associated with the upper set of shutters (i.e. shutters 11a). An alternative arrangement is described (Figs. 4 and 5) in which the lower set of shutters is so used.
Patent GB-1432864-A (GB)
Title: Melt-blowing die for producing non woven mats
IPC: B29C48/05
Filed: 1973-07-04
Abstract: 1432864 Melt-blowing die EXXON RESEARCH & ENG CO 4 July 1973 [7 July 1972] 31767/73 Heading B5B A melt-blowing die component article comprises a die-nose (Fig. 2) having a hollow interior, exterior surfaces 16, 17 in a generally triangular (preferably isosceles) cross-sectional configuration, and a plurality of die orifices 18 located on an apex-edge formed at the juncture of two exterior surfaces, and wherein no point on said apex-edge is more than 2 mils. from said juncture. The included angle of the apexedge may be 30 to 90 degrees, especially 55 to 65 degrees, and the apex-edge is suitably a flat no wider than 4 mils. The die-nose may be monolithic, and the orifices are suitably provided by discrete tubes having exterior tips shaped to conform to the exterior surfaces of the die nose (Figs. 8 and 9, not shown), and suitably triangular or conical in cross-section, the tubes being preferably aligned in a single plane. Die openings may have a mean hydraulic diameter less than 0À022 inch, deviating no more than 0À003 inch from the die apex. The die-nose forms part of a diehead apparatus comprising also air slot adjustment means Z, having inner exterior surfaces 19, 20, approximately parallel to the exterior surfaces of the die-nose and lip edges, so disposed in relation to the die-nose as to provide a set-back H of the lip-edges 19, 20 from the edge apex of 0À005 to 0À010 inch, and an air slot height G of 0À006 to 0À030 inch, preferably 0À008 to 0À015 inch. A non-woven mat 10 of thermoplastic fibres 7 may be made by extruding molten fibre-forming thermoplastic material, e.g. polyolefins, nylon, polycarbonate, polyester or polystyrene, from orifices 6 in a die-nose 3 into a stream of hot inert gas which attenuates the melt into a stream of fibres, which are collected to form the mat, the flow of the gas stream being controlled with respect to the melt on the die-nose so that the melt is never more than 2 mils. from the gas stream, suitably by confining the gas stream to a channel parallel to the die-nose and allowing the stream to escape from the channel at from 0À005 to 0À015 inch, before reaching the orifices in the die-nose.
Patent GB-1039044-A (GB)
Title: Alarm system for indicating predetermined pressure and temperature conditions of a fluid
Inventor: DOYEN ROBERT
IPC: G08B19/00
Filed: 1963-08-12
Abstract: 1,039,044. Preventing occurrence of critical conditions. COMMISSARIAT A L'ENERGIE ATOMIQUE. Aug. 12, 1963 [Aug. 10, 1962], No. 31820/63. Heading G6R. The invention relates to a system for triggering an alarm as soon as the combined temperature and pressure conditions of a fluid in a circuit approach the change of state curve of the fluid, which change of state is likely to damage the installation, and the invention is described with reference to a gaseous uranium hexafluoride circuit in which it is desired to avoid any crystallization of this substance in the pipes through which it circulates. The system comprises a pneumatic pick-up 1 delivering a modulated compressed air output pressure, representative of the pressure in the uranium hexafluoride circuit, to a pressure recorder 3 and to a proportional controller 4 which has a feed line 5 connected through valves 7, 8 to a compressed air line 6. A gauge 9 measures the controller feed pressure. The controller has a second input from the line 6 via a line 10, valve 11 and reducing valve 12 so that the compressed air feed can be adjusted to a given reference pressure as indicated on a gauge 13. The controller 4 delivers a pressure varying in dependence on the pressure detected by the pick-up 1, through a line 14 to a second proportional, integral controller 15. The controller 15 receives, via a line 16, an input pressure from a temperature transmitter recorder 17, representative of the temperature in the uranium hexafluoride circuit. The controller 15 is also connected to the line 6 through valves 19, 20, and finally delivers to a line 22 a pressure dependent on both the temperature and pressure in the gas circuit to a pressostat 23 which triggers an alarm as soon as there is any danger of crystallization of the uranium hexafluoride. The actions of the controllers 4, 15 and the relationships between their inputs and outputs are given in the Specification. The temperature of the gas may be measured by a platinum resistance pyrometer in a Wheatstone's bridge circuit and connected to a compressed air pressure transmitter whose output varies in accordance with changes in temperature.
Patent GB-1125084-A (GB)
Title: Device for aligning two objects
IPC: H05K13/00
Filed: 1966-07-15
Abstract: 1,125,084. Welding by pressure. HUGHES AIRCRAFT CO. 15 July, 1966 [21 July, 1965], No. 31839/66. Heading B3R. [Also in Division H1] Two objects, such as a semi-conductor chip and its circuit substrate are aligned by placing the chip on a movable flat transparent plate with a reflecting bottom surface and aligning the chip with the image of a reticle from an adjusted microscope (at F<SP>1</SP>, Fig. 3), then moving the chip away vertically (by pick-up means 36), removing the transparent plate (20) and aligning the circuit substrate element with the reticle at the principal focus (F 2 ) without readjusting the microscope and finally lowering the positioned chip vertically on to the substrate. Fig. 1 shows an embodiment comprising holder 34 for transparent reflecting plate 20, which is positioned manually on block 26 slidable in base 54 on plate 56 which is moved in X and Y directions by joy stick 58 and clamped by means 64. A semi-conductor chip on plate 20 is aligned with the reticle by means of microscope 10 and then removed vertically by suction pick-up device 36 which is lifted by levers 52 and cams 50. The second object, a circuit substrate element, held on block 44 by a vacuum operated clamp (Fig. 8, not shown) and vacuum holes is then moved into and aligned in the F 2  focus position of the microscope and means 36 operated to lower the chip on to the substrate in the preselected alignment position. Pick-up means 36 is attached to ultra-sonic welding means 46 operated by limit switch 74 to bond connector bumps on the semi-conductor chip to conductors on the substrate.
Patent GB-267600-A (GB)
Title: Improvements in or relating to means for pressing seams
IPC: A43D11/04
Filed: 1925-12-17
Abstract: 267,600. British United Shoe Machinery Co., Ltd., (United Shoe Machinery Corporation). Dec. 17, 1925. Ironing-machines with seam-spreading devices. -A seam-pounding machine has a power-operated work supporting roll, a seam-opening member, and a hammer which pounds the seam on the support with a wiping and feeding action. The machine is driven by an electric motor in a casing. 16, Fig. 1, the motor driving a main shaft 24 by a separable coupling comprising pins 30 engaging holes in a disc carried by the armature shaft. A silent chain 40 drives a shaft 36 connected by worm and spur gearing with a feed and work supporting roll 64. This roll is mounted on a slide 60, which may be depressed by a rod 75 and a treadle, for the insertion of work. The roll is normally urged upwardly by a spring 90 mounted in a casing pivoted to a pivoted arm 66 provided with a forked end engaging a pin 74 on the slide. The lower end of the spring is supported by a rod 98 pivoted to a bell-crank lever 100, Fig. 3, adjustable by a thumb screw 106 to vary the strength of the spring. The lever 66 normally engages an adjustable stop 110, Fig. 1, comprising an eccentrically mounted six-sided member provided with a rotatable head for adjustment. An eccentric 128, Fig. 5, on the shaft 24, engages the upper end of the hammer 122, which is restrained by a link 124 with the result that the lower end of the hammer describes an orbital path. The forward lower edge of the hammer is comparatively sharp, and engages the work in advance of the highest point of the roll 64. The hammer then moves rearwardly at a faster rate than the periphery of the roll, exerting wiping pressure which depresses the roll against the action of the spring 90. The work-engaging end of the hammer is removable, but is so shaped that it cannot be replaced back to front. The hammer is heated by contact with the slotted end of a member 158 housing an electric resistance unit 156. Separate switches are provided for the driving and heating circuits, so that the hammer may be warmed before the machine is started. The heating is regulated by a rheostat control handle 184, Fig. 3. The seam opener or plough 148, Figs. 5 and 7, is mounted on a rod 190 secured at top and bottom to the plough, clearance, however, being provided and a spring 192 encircling the rod so that the opener does not move vertically with the hammer, but remains closely adjacent to the work, its height being determined by stop lugs 198 on the plough engaging the ends of the member 158. The plough has a central fin 200 which enters between the margins of the seam, the rib merging into surfaces curved both longitudinally and transversely of the seam to turn the margins over by a progressive action.
Patent GB-904413-A (GB)
Title: Improvements in processes for preparing caprolactam
Filed: 1959-09-18
Abstract: Nitrosyl sulphate is prepared (Example 3) by passing SO2 into a mixture of nitric acid, oleum and nitrosyl sulphate at 0 DEG C. with intermittent additions of oleum until a partly solid mass is obtained, whereupon additional oleum is added and the mixture heated at 40 DEG C. to provide a solution of the nitrosyl sulphate in oleum. The solution is used as a nitrosylation agent in the production of caprolactam from cyclohexylaryl ketones (see Group IV(b)).ALSO:Caprolactam is prepared by reacting a ketone of the general formula <FORM:0904413/IV (b)/1> wherein Ar is an aryl radical, with a nitrosylation agent capable of providing NO+ ions in the reaction medium, in the presence of free sulphuric acid. Suitable nitrosylation agents include nitrous gases (N2O3), nitrosyl halides, nitrosyl sulphate, alkyl nitrites, nitrogen monoxide and salts of nitrous acid, e.g. sodium nitrite, and nitrosyl sulphuric anhydride.  Reaction may be effected in oleum at temperatures above -20 DEG C., preferably -15 DEG  to +45 DEG C; in the absence of SO3, higher temperatures of up to 150 DEG  C. may be used. Preferably at least 2.5 moles of sulphuric acid are used per mole of NO+ ion supplied by the nitrosylation agent.  The reaction yields as by-product an aromatic or nitrated aromatic carboxylic acid. Examples describe the reaction of cyclohexyl aryl ketones, wherein Ar represents phenyl, naphthyl, p-toluyl, cumyl or xylyl, in oleum or 95% H2SO4 with each of the above types of nitrosylation agents, reaction sometimes being effected in the presence of cyclohexane refluxing under reduced pressure or boiling liquid SO2, ethyl chloride or dichloro-tetrafluoroethane to control the temperature. The purification of the resulting crude lactam, comprising alkaline washing and solvent extraction, is described.  The cyclohexyl aryl ketones are prepared from hexa hydro benzoyl chloride, the aromatic hydrocarbon and aluminium trichloride.
Patent GB-1193441-A (GB)
Title: Improvements in or relating to Electro-Optical Distance Measurement
Inventor: WAGNER RICHARD
IPC: G01S17/74
Filed: 1967-07-12
Abstract: 1,193,441. Photo-electric distance measurement. R. WAGNER. 12 July, 1967 [13 July, 1966], No. 32030/67. Heading H4D. In a photo-electric system for measuring the distance between two points, apparatus at each point includes means for modulating the light transmitted to the other point, the modulation frequencies differ such that a beat frequency is generated at each point, at one point the phases of the beat frequencies are compared, and at each point the received energy is modulated in a constant phase at the modulation frequency of the respective transmitter before passing to a detector. Each apparatus may employ a combined transmitter-receiver modulator utilizing an ultrasonic standing wave. The transmission of the beat frequency phase to the measuring point may be by auxiliary modulation.
Patent GB-836379-A (GB)
Title: Improvements in or relating to devices for moving or controlling the movement of rail wagons and the like
Inventor: SPERRING JAMES ALFRED
IPC: B61J3/00
Filed: 1957-10-14
Abstract: 836,379. Propelling wagons. STRACHAN & HENSHAW Ltd. Oct. 13, 1958 [Oct. 14, 1957 ; Jan. 16, 1958], Nos. 32046/57 and 1597/58. Class 104 (2). A vehicle having wheels or skids hauled along a track between or alongside a wagon track has means for projecting and/or withdraw-; ing arms 40 pivoted on the vehicle for propelling a wagon, a latch 54 for preventing the projection of the arms until the vehicle is correctly positioned relative to the wagon to be engaged, locating means, a trigger 88, one arm of a bell-crank lever, for determining the position of the vehicle relative to the wagon and interlocking means, the other arm 82 engaging a fork 68 pivoted to a support carrying a quadrant 62 engaging with a rack on the end of the latch for releasing the latch at a predetermined position of the vehicle and wagon. The vehicle may be hauled rearwardly or forwardly by a cable attached to the ends of a drawbar 20 having end stops 21 and moving between guides 22. The drawbar is pivoted to crossheads 32, 33 connected by racks 34 which engage the teeth of two quadrants 36 pivoting with pairs of arms 40 carrying rollers 44 and 46. The rollers 44 engage the wheels when projected and the rollers 46 contact the rail. When the vehicle is drawn rearwardly with the roller arm 40 retracted the trigger 88 pivots against the action of springs 90 when it contacts a wagon wheel and the latch engages in a pocket 52 in a tapered part 50 of the drawbar. When the vehicle is moved forwardly the trigger abuts a wheel and a roller 80 on the end of the arm 82 engages in the fork 68 and moves the arm to disengage the latch from the drawbar which is then free to move and projects the roller arms 40 simultaneously. The rollers 44 and 46 may engage any other part of the wagon and two arms may be projected on one side of the vehicle on either side of a wheel to propel the wagon in either direction. The trigger may be mounted on a horizontal or inclined axis instead of a vertical axis and instead of a trigger an electronic device or other means may be used. The fork 68 is spring- urged to latch engaging position. The arrangement is such that the arms 40 are projected in a position to miss any auxiliary mechanism or device that may be on a wagon.
Patent GB-318424-A (GB)
Title: Improvements in and relating to devices for counterbalancing the weight of windows
IPC: E05D13/00
Filed: 1928-11-05
Abstract: 318,424. Droll, A., and Vereinigte Westdeutsche Waggonfabriken Akt.- Ges. Nov. 5, 1928. Sashes balanced by springs.-Windows of vehicles or the like that are balanced by springs are connected by levers and tension members b, c to the spring a<1> in such a manner that the spring is in compression to exert the balancing force. As shown in Fig. 2, the spring is compressed between the end of the casing c and the end of the rod b.
Patent GB-742655-A (GB)
Title: Improvements in or relating to straight bar knitting machines
Inventor: MACDONALD WILLIAM GORDON
IPC: D04B15/52
Filed: 1952-12-22
Abstract: 742,655. Knitting-machines. COTTON, Ltd., W. June 19, 1953 [Dec. 22, 1952], No. 32392/53. Class 74 (2). To avoid the carrier rods traversing beyond the end divisions of a straight-bar machine, fixed guide members 5, 6 are provided which extend across the whole width of the end divisions. The ends of the carrier rods are mounted to slide in the guide members. The guide members may be channel-shaped members, as shown in Fig. 2, in which the carrier rods 4 are mounted. Bearing members 7, 8 may be provided to support the carrier rods within their guides. Alternatively the guides may be bars over which channel shaped carrier rods slide. In a further arrangement the carrier bars are secured to boxes 18 slidable on guide bars 5 and secured against rotation by projections 19 engaging a further rod 20.
Patent GB-805978-A (GB)
Title: Improvements relating to the roofs of buildings
Inventor: SWIFT WALTER ALFRED
IPC: E04D12/00
Filed: 1955-11-12
Abstract: 805,978. Roofs. MALDEN, Ltd., W. S. Nov. 12, 1956 [Nov. 12, 1955; July 11, 1956], Nos. 32403/55 and 21443/56. Class 20(4) A roof construction comprises upper and lower roof members 11, 10, Fig. 1, spaced apart by elongated spaced members 12 which are so constructed that air can circulate freely between the roof members in directions transverse to the spacer members as well as parallel thereto, the roof being open on all sides. In Figs. 1 and 2 the upper roof is preferably of aluminium alloy sheets and the spacer members 12 are flanged for connection to the upper and lower roofs and provided with apertures 12a for the free flow of air therethrough. The upper roofs 11 are preferably spaced apart at the ridge 13 to assist the circulation of air. In Fig. 4 the two roofs are formed of corrugated aluminium sheets 20, 21, spaced apart by similarly corrugated spacer strips 22.
Patent GB-770696-A (GB)
Title: Improvements in or relating to subperiosteal implants for the attachment of dental protheses
IPC: A61C8/00
Filed: 1954-11-10
Abstract: 770,696. Dental protheses. HERAEUS GES., W. C. Nov. 10, 1954 [Nov. 25, 1953; May 26, 1954], No. 32519/54. Class 81(2) A subperiosteal implant for the attachment of dental protheses, comprises a frame of prefabricated tissue-compatible ductile metal deformable in the cold state, having a thickness of 0.3 mm. to 1.0 mm. and formed with means for anchoring in the jaw and securing thereon supporting elements for dental protheses. The implant 1 is made from a perforated sheet of tantalum which is preferably 0.5 mm. thick and is shaped to fit the jawbone. The perforations 3 are circular, oval or polygonal and are preferably rounded at the edges. They are uniform in size and have a diameter between 1.5 and 2.5 mm. They are arranged so that the total perforated area amounts to between one quarter and three quarters of the total area of the sheet. Several screws 12 are passed through perforations to secure the implant to the jaw bone. Supporting pillars 2 for dental protheses are secured to the sheet. Each pillar 2 comprises a screw which is passed through a perforation and a sleeve to which is internally and externally threaded and is secured to the screw. Each sleeve 6 is provided with a collar 7 which is surrounded by the gums when the device is in place. The screws 12 and the supporting pillars 2 are made from tantalum, a noble metal or corrosionresistant steel.
Patent GB-1466788-A (GB)
Title: Device for locally regulating the atmosphere in a continuous  furnace or a reaction column
IPC: F27B9/14
Filed: 1974-07-23
Abstract: 1466788 Furnace atmospheres COMMISSARIAT A L'ENERGIE ATOMIQUE 23 July 1974 [7 Aug 1973] 32543/74 Heading F4B In a vertical continuous furnace for treating cylindrical containers or articles 2a-2g, vertical grooves 5 and 6 are formed in opposite walls 3 and 4 and are formed with ducts 7 and 8 for the supply and discharge of atmosphere gases. The height of the grooves is twice that of a group of three successive containers 2 and opposite grooves may be offset by a distance equal to the height of the container. In a modification, (Figs. 4 and 5), the grooves are disposed in the other pair of walls. Specification 1,452,584 is referred to.
Patent GB-415914-A (GB)
Title: Improvements in or relating to anti-dazzle devices for use on vehicles
IPC: B60Q1/24
Filed: 1934-04-19
Abstract: 415,914. Systems of lighting for road vehicles. MILLER, A. L., 29, Hamilton Square, Birkenhead, and HELME, E. T. L., 23, Hamilton Road, Wallasey, both in Cheshire. April 19, 1934, No. 32545/33. [Class 75 (iv).] In a system of lighting for road vehicles an auxiliary lamp comprising a line or multi-point source of light, one or more downwardly directed reflectors, and diffusing means, is mounted on the rear off-side quarter of the vehicle and at such a height as to project an evenly spread fan-shaped beam downwardly and towards the rear and offside of the vehicle. The offside portion of the beam may be of substantially the same intensity as that of the headlights, whilst the rearward portion may be of less intensity and may be projected further along the road than the offside portion. The inclination of the beam to the horizontal may be maintained constant on roads of different cambers by pivotally mounting the auxiliary lamp under the control of a pendulum or other counter-weight. In the form shown in Fig. 3, the auxiliary lamp comprises a casing 16, parabolic half reflectors 17-19, electric lamp bulbs 20-22 connected in parallel, and a vertically fluted cover glass 23. Instead of the latter, the reflectors may be so shaped as to produce the horizontal diffusion of the beam. The casing may be sunk or partially sunk into the body of the vehicle, it may be exposed by moving a shutter when the auxiliary lamp is switched on, and it may be fitted with an emerald signal lens 29. In the form shown in Fig. 7, a parabolic trough-shaped reflector 30 is fitted along its focal line with a linear electric incandescent filament or an electric gaseous discharge tube.