baber/WOPTO huggingface dataset:
Patent GB-1392395-A (GB)
Title: Stabilization of optical path length differences
IPC: G01B9/02
Filed: 1972-07-05
Abstract: 1392395 Photo-electric refractive indio measurement and optical path length stabilization INTERNATIONAL BUSINESS MACHINES CORP 5 July 1972 [7 July 1971] 31339/72 Heading G1A [Also in Divisions G2 and G3. The optical path length difference between two polarized beams is automatically maintained at a required value. As shown, an incident linearly polarized light beams 1 is split into two beams 10, 12, beam 12 passing directly to a fixed mirror 4 to be reflected back to beam splitter 2, where it is recombined with a second beam 10, polarized in a plane orthogonal to the polarizing plane of beam 12 by passing it through a #/4 plate 3 and mirror 5 where it is reflected back to splitter 2 via plate 3. The combined beam 13 is split into two components 14a, 14b by a Wollaston prism 8, the intensity of each beam being measured by photo-sensitive layers 9a, 9b of photo-diode 39. Any intensity difference, due to a change in path length of one of the beams as a result, for example, of a change in refractive index of the air, is fed via D.C. amplifier 15, integrator 16 and amplifier 17 to Piezo-electric transducer 6, connecting mirror 5 to fixed support 7, to change the position of mirror 5 and regulate the optical path difference between the two components of the beams. The apparatus may be used in holography or as a reference interferometer for measuring purposes.
Patent GB-383740-A (GB)
Title: Improvements in or relating to a rotary tubular heat-exchanging apparatus
IPC: F28D11/04
Filed: 1931-11-12
Abstract: 383,740. Rotating straight tube heat exchangers. SIMMON, H., 40, Sandleitengasse, Vienna. Nov. 12, 1931, No. 31397. [Class 64 (iii).] A heat exchanger consists of a housing 18 with an inlet 19 and outlet 20 containing an exchanger body composed entirely of groups of tubes 1, 2, 3 arranged substantially parallel to the axis of rotation 7 of the body and provided with fins 4 the water to be heated being guided through the tubes under high pressure and at great speed to cause a good heat exchange and prevent the deposit of sludge and rust. The tubes are connected by pipe bends 8 that allow for expansion. The water may pass through inlets 10 to the outer tubes 1, then to the next group 2, and then through group 3 to the outlets 11. Alternatively the water may flow through a few pipes of groups 2, 3 before reaching group 1 from which it flows through the remainder of groups 2, 3 as before. Specification 380,992 is referred to.
Patent GB-717024-A (GB)
Title: Improvements in or relating to devices for closing cooking vessels
IPC: A47J27/09
Filed: 1952-12-11
Abstract: 717,024. Pressure cookers. BAUMANN, L. Dec. 11. 1952 [Dec. 17, 1951; March 27, 1952]. No. 31401/52. Class 123(1) A device for securing in closed position the lid 19 of a pressure cooker comprises a retaining member 10 extending across the lid 19 and being resiliently located in its operative position in which position only a pressure. relief valve element or elements 15 carried by the member 10 obturates a passage or passages 18 in the lid 19. The member 10 is a leaf spring the ends 11, 12 of which engage recesses in the vessel 20, and the element 15 has a conical rubber plug 17 which may be formed as a whistle. The ends 11, 12 may be extended at 13, 14 to enable a number of vessels 20, 21 to be superimposed. In one modification, Fig. 3 (not shown), the spring 10 is secured at its centre to a vertical stem on the lid which engages the interior inner edge of the vessel and which is forced upwardly by the spring 10. Alternatively, see Fig. 4, the retaining member is a rigid bracket 34, a spring 33 pressing on a plate 31 fixed to the stem of handle 30 on the lid 29 which is hence forced upwardly to engage the vessel 28. In a fourth modification, the lid is exterior of the vessel as in Fig. 1, and a rigid bracket is forced downwardly by spring clips engaging the handles of the vessel. In this modification the plug 17 is replaced by a spring-mounted inverted cover which gives audible warning of steam escaping.
Patent GB-1013333-A (GB)
Title: Improvements in the connection of electrical devices to printed wiring
IPC: H01L21/60
Filed: 1964-08-04
Abstract: 1,013,333. Soldering. INTERNATIONAL BUSINESS MACHINES CORPORATION. Aug. 4, 1964 [Aug. 8, 1963], No. 31402/64. Heading B3R. [Also in Division H1] A method of connecting an electrical device to solder-coated printed wiring on a substrate comprises the steps of providing the device with dependent contacts of a predetermined thickness and having a melting point higher than the solder, positioning the device on the printed wiring and heating the substrate so that the contacts are secured by the solder, without the contacts being deformed. The method is described with reference to attaching chip components 25 mils. square to a substrate 0À45 inch square. The component 20, Fig. 2, is a planar semi-conductor device comprising electrodes 34, 36 and a glass layer 26. Metal strips connect the electrodes to openings 24 in the glass layer, a metal film 30 being deposited in the opening before the balls 22 are positioned. The balls are made of 72/25 gold-antimony alloy or other solderable alloy. The substrate, Fig. 3, is made of an insulating material having good thermal conductivity, a low thermal coefficient of expansion and the ability to withstand high temperatures. An example of such a material is one containing 95% alumina. The printed wiring pattern is produced by silk-screen printing and firing, cleaning and tinning. A jig, Fig. 4, is used to position the components relative to the substrate. The flap 206 has locating pins 207 and a spring clip 209, and the flap 204 has apertures 208 to receive the components. The substrate is coated with a sticky flux before being placed in the open jig, so that when the flaps 204, 206 are closed the components adhere to the substrate. Alternatively, the flaps may be brought together with sufficient pressure to form cold-welds between the metals of sufficient strength to aid preventing the components sliding on the solder during subsequent operations. The assembly is then fired to establish the permanent joint. With balls 22 of 75/25 gold-antimony alloy and 90/10 lead-tin substrate solder, twenty-five seconds in a furnace operating at 700‹ C; is sufficient to heat the substrate to 320‹ C., which melts the solder but does not cause deformation of the balls 22. Solder fillets 142, Fig. 6, extend up the sides of the balls. The assembly is aircooled, cleaned and electrically and mechanically tested.
Patent GB-320779-A (GB)
Title: A shield to protect miners while clearing falls and repairing damage in dangerous positions in mines
IPC: E21D19/04
Filed: 1928-10-30
Abstract: 320,779. Hanks, H. Oct. 30, 1928. Safety devices for catching falling bodies.-A shield for use in mines consists of a frame B mounted on adjustable uprights A, a segmental roof plate D supported by the uprights, and side plates J hooked on to the frame. A pivoted flap F at the rear of the shield is supported by struts H from the rear uprights. The device may be used to support the excavation or to form a support for use of the workmen.
Patent GB-1222086-A (GB)
Title: Means for cutting off the supply of fuel to diesel-engined vehicles
Inventor: DARBYSHIRE PETER
IPC: F01L1/00
Filed: 1967-07-07
Abstract: 1,222,086. Control of D.C. motors. JOSEPH LUCAS INDUSTRIES Ltd. 1 July, 1968 [7 July, 1967], No. 31441/67. Heading H2J. Means for cutting off the supply of fuel to a diesel-engined vehicle comprises a relay 16 coupled to the auxiliary switch 9 of the vehicle, and a motor 11 controlled by the relay 16, the motor 11 having combined therewith limit switch 17, 18, 19 ensuring that when auxiliary switch 9 is closed motor 11 assumes one position in which it opens a valve in the fuel supply system of the vehicle, and when auxiliary switch 9 is opened motor 11 assumes a second position in which it closes the valve to cut off the supply of fuel. As shown, when switch 9 is closed relay 16 is energized completing a circuit from battery 12 through motor 11, contact 13, contact 15, contact 18 and contact 19. Motor 11 rotates opening the fuel supply valve and at the same time moving contact 19 which rotates with the shaft of motor 11 until at the instant when the valve is fully open contact 19 engages contact 17 breaking the motor circuit. When switch 9 is opened relay 16 is de-energized completing a circuit from battery 12 through motor 11, contact 13, contact 14, contact 17 and contact 19 so that motor 11 rotates to close the valve, moving contact 19 so that as the valve closes contact 19 moves into engagement with contact 18 breaking the motor circuit. In a second embodiment, Fig. 2 (not shown) the limit switch is a single pole changeover switch 32, 33, 34 operated by a cam driven by the motor and the relay has two sets of changeover contacts, one set 25, 27, 28 short-circuiting the motor to brake the motor to prevent it over-running.
Patent GB-725540-A (GB)
Title: Improvements relating to covers for the luggage spaces of road vehicles
IPC: B60Q1/56
Filed: 1953-11-16
Abstract: 725,540. Vehicle bodies. DAIMLER-BENZ AKT.-GES. Nov. 16, 1953 [Nov. 14, 1952], No. 31724/53. Class 108 (1). [Also in Group XI] A boot lid 7 comprises a number plate 11 and lighting units 12 for illuminating the plates (see Group XI), the units 12 being provided with extensions 13 for lifting the lid. The lid may be locked either by a separate lock 15 or a lock built into a unit 12. In a modification each unit 12 may be provided with an overhanging or lip-like handgrip.
Patent GB-1129416-A (GB)
Title: Improvements in or relating to glass manufacture
IPC: C03B7/00
Filed: 1967-07-11
Abstract: 1,129,416. Production of flat glass by vertical drawing. BOUSSOIS - SOUCHNON - NEUVESEL. 11 July, 1967 [15 July, 1966], No. 31851/67. Heading C1M. Flat glass is produced by vertically drawing a sheet 11 from a bath of molten glass 2 contained in a kiln 1, the kiln also containing a transverse heating bar 6 arranged parallel to a debiteuse 3, the bar being accommodated in the part 7 of the kiln termed the end part. The heating bar causes localized heating in the end part 7, resulting in the formation, from one side of the kiln to the other, of a thin rising vertical layer 9 of glass maintained at a temperature 5 to 10 C. hotter than the mass of glass in the kiln, this hotter glass forming a "curtain" which opens out at the surface of the glass, the curtain dividing the end part 7 into two zones 7a and 7b. In order to obtain the best results the heating bar 6 is positioned at a horizontal distance from the debiteuse 3 of less than threequarters of the horizontal distance separating the debiteuse 3 from the end wall 8 of the end part 7, and at the same time to a depth which does not exceed one and a half times the depth of immersion of the lower wall of the debiteuse 3. By this means the drawing speed can be increased, devitrification which occurred in the prior procedure in the shaded zone C can be prevented, and a meniscus 12 which is symmetrical in relation to the plane of the sheet 11 can be obtained. In one embodiment (Fig. 3) the heating bar 6 consists of a U-shaped metallic tube 21 (which can be of molybdenum or nickel chrome), placed by its ends on the edges 22 of the kiln 1. The centre of the tube contains a refractory tube 23 containing a coiled electrical resistor 24 fed by sheathed conductors 25 in the end arms of the tube, the centring of the conductors being ensured by insulating discs 26. In another embodiment (not shown), the heating bar has an outer tubular resistor of molybdenum ballasted by an inner filling of refractory material.
Patent GB-1246950-A (GB)
Title: Foam generator
IPC: F04D25/04
Filed: 1970-07-01
Abstract: 1,246,950. Hydraulic turbines. MINE SAFETY APPLIANCES CO. July 1, 1970 [Aug. 7, 1969], No.31899/70. Heading F1T. [Also in Division B1] Foam forming apparatus comprises a tubular housing 1 having a foraminous member 2 at its front end, a shaft 6 rotatable by a water turbine 10 and carrying a fan 7 for blowing air towards member 2, a nozzle 12 for directing water from the turbine to member 2, and a pump 15 driven by shaft 6 for supplying a foaming solution to nozzle 12. Member 2 may be a netting, screen, or a perforated metal sheet. The shaft may contain a flexible coupling between fan 7 and pump 15.
Patent GB-1513457-A (GB)
Title: Device for lifting-lowering and rotating operations
IPC: B22C19/00
Filed: 1975-07-30
Abstract: 1513457 Oscillating carriers/adjustable plural grippers E BUHRER 30 July 1975 [31 July 1974] 31944/75 Headings B8A and B8H Transfer apparatus comprises article clamping means carried by a support mounted on an upstanding member which can be raised and lowered and rotated about a vertical axis, the clamping means comprising clamps 153, 154 mounted on carriers 147 which are movable horizontally and can be locked in position relative to the support member comprises a housing 33 enclosing a member part 35 supported for rotation in bearings and connected to a gear wheel 43 which meshes with a segment-shaped toothed drive 44 which is oscillated by means of a motor 51 via cranks 49, 48. The part 35 carries rollers 54 which engage air springs to damp its deceleration. A piston rod 70 is supported by the part 35 and carries a frame 140- 144. Raising and lowering of the piston 70 is damped by a damper (79, Fig. 8). As described, the apparatus is for the transfer of mould boxes and moulded articles 5, the clamps 153, 154 being pivoted by cylinders 155 to engage faces 156, 157 on a moulded article. The carriers 147 are held in position by piston rods extended by cylinders 164, 165. The support frame also has pivotal jaws 174 carried by shafts 173 rotated by cylinders 171 and adapted to engage lugs 179 on frames mounted on mould boxes. Finally jaws 193 are pivoted by cylinders 188 to grip a sprue pattern 187. The apparatus transfers the goods between a conveyer 9 and a pattern device 2 fed to a moulding machine 1 by a conveyer 3 and then returned to its original position. The pattern device has an undersurface which may be connected to a source of compressed air or to a vacuum source via valves 16, 17.
Patent GB-686391-A (GB)
Title: New dyestuffs
IPC: C09B47/08
Filed: 1949-12-13
Abstract: The invention comprises phthalocyanines of the formula: [R-(Y-R1)m](CH2X)n where R is a metal or metal-free phthalocyanine radical, Y is -O-or-S-, R1 is an aryl radical of the benzene series, m is 3, 4 or 5, n is a number greater than 1, and X is an isothiouronium salt group, and the manufacture of the same by heating a phthalocyanine which contains 3, 4 or 5, pendant aryloxy or arylmercapto radicals (the aryl group being of the benzene series) and which contains at least two chloromethyl or bromomethyl groups with thiourea or with a mono-, di-, tri-, or tetraalkyl thiourea. The products dye or print cotton, wool, silk, regenerated cellulose, cellulose acetate, and rayon green shades.  In examples: (1) copper tri- or tetra-(chlormethyl) tetra - 4 - p - tolylmercapto - phthalocyanine is heated with tetramethylthiourea; (2) a copper tetra - (chlormethyl) - penta - phenoxy - phthalocyanine is heated with tetramethylthiourea; (3) copper tri-(chlormethyl)-tetra-4-phenylmercapto-phthalocyanine is heated with tetramethyl thiourea or N,N1-dimethyl thiourea.  Aryloxy or arylmercapto phthalocyanines are obtained by heating chlor-phthalocyanines with the alkali metal salts of phenols or thiophenols, e.g. with sodium and the phenol, or sodium hydroxide and the thiophenol in benzyl alcohol.  They are chlormethylated by the usual methods.  Specification 587,636 is referred to.
Patent GB-895370-A (GB)
Title: Improvements in or relating to door mountings
IPC: E05D15/10
Filed: 1960-09-16
Abstract: 895,370. Doors for passenger vehicles. SCHIMEK, A. F. Sept. 16, 1960 [Sept. 28, 1958], No. 31989/60. Class 103(2). [Also in Group XXV] A mounting for a vehicle door comprises at least one first track 18 arranged to be secured across a door frame 12, at least one second track 22 arranged to be secured across the door, and a pair of pivot arms 24, 26 associated with each pair of tracks, each arm having one end pivotally and slidably engaged in one of the tracks and the other end pivotally fixed in the other track, to afford relative lateral and axial movement of the tracks. During opening movement the door pivots from the closed position, shown in solid lines in Fig. 2, to an intermediate position, shown in dotted lines, and then slides parallel to the door opening until the slidable pivots 34, 40 have travelled to the opposite ends of their respective tracks, means (see below) being provided to prevent sliding of the pivots 34, 40 during the pivotal movement. The pivot 40 (which is substantially identical with pivot 34) comprises a boss formed at the end of the pivot arm 26 pivoted on a pin 82 (Fig. 6) in a sliding carriage 42 mounted on rollers 92, 94 (Fig. 7) in the track 18. The boss is provided with a segmental slot 95 which slidably receives a lip flange 62 of the track and prevents pivotal movement of the boss except when it is in registration with a recess 64 in the flange, sliding being impossible when the boss has turned in this recess to bring the slot 95 out of alignment with the flange. To limit the outward pivotal movement of the arm to the precise amount required to bring the slot 95 into alignment with the flange 62 a stop lug 102 is formed on the boss to abut the rear wall of the carriage 42. A modified pivot is described (Fig. 12, not shown) in which the arm 26, instead of being provided with the boss 40, is formed with a depending pivot pin which slides in a track set in a recess in the floor. A door is preferably mounted by two sets of pivot arms and tracks at the top and bottom respectively, one of the sets being modified, if desired, by dispensing with the pivot arm 26 and thus making the track 18 across the door frame unnecessary.
Patent GB-230931-A (GB)
Title: Fabric belt
IPC: F16G1/04
Filed: 1923-12-21
Abstract: 230,931. Fairweather, W., (Singer Manufacturing Co.). Dec. 21, 1923. Belts. - A multi-layer driving-belt of fabric, such as canvas or muslin, and preferably of V- form, for sewing-machine drives, is built up from a strip wound continuously from the inner to the outer layer, the material in each layer being folded, for instance as shown in Fig. 8, before winding takes place, and the layers already superposed being continuously stitched together as winding proceeds. In this manner the stitching received decreases from the inner to the outer layer, so that the outer layers have comparative freedom to conform to the shape of the inner layers. The outer end of the strip may be tapered on its lateral edges. The belt may be impregnated with a dressing. The strip may be entirely folded and pressed before stitching or the belt mav be formed in a two-needle feedacross-the-cylinder sewing-machine with a folder adjustable to vary the width of the folded strip. The strip is carried around the cylinder-bed of the machine and re-introduced to the needles beneath the folded strip issuing from the folder.
Patent GB-721866-A (GB)
Title: Improvements in methods and apparatus for the compacting of pulverulent material
IPC: B65B63/02
Filed: 1952-12-18
Abstract: 721,866. Packing pulverulent material. DOHSE, H. Dec. 18, 1952 [Dec. 19, 1951], No. 32080/52. Class 94 (1). A method of compacting pulverulent material consists in applying a reduction in pressure to a moving foraminous surface in contact with the material to free it from occluded gas, and then stripping the material from said surface and immediately thereafter applying mechanical pressure thereto. A casing 1, Fig. 1, with a powder feed opening 2 houses rotary rollers 3, 3<SP>1</SP> with walls pervious to gas. A pressure reduction is produced within the rollers by a vacuum pump acting through the hollow shafts of the rollers, and occulded gas is removed from the powder which is then led by guide plates 8, 8<SP>1</SP> to pressure rollers 5, 5<SP>1</SP>, and the powder in ribbon form is delivered from a conduit 7. In Fig. 2 an upper roller 13 has flanges 15, 151 which overlap a lower roller 14, and the inner surfaces 15, 16<SP>1</SP> of the flanges are pervious to gas. A pressure reduction is set up through a hollow shaft 17 and occluded gas is removed from the powder which then passes between the rollers to an outlet 20. Alternatively, the upper roller has only one flange as above described, and in a further embodiment the two rollers are horizontal, one of them having a single flange and the other being of channel section, and the powder outlet is positioned diametrically opposite the pressure space between the rollers.
Patent GB-1129244-A (GB)
Title: Kneading machine for preparing dough, having a kneading member movable in a revolving kneading bowl
IPC: A21C1/14
Filed: 1966-07-18
Abstract: 1,129,244. Dough mixer. WERNER & PFLEIDERER. 18 July, 1966 [2 Sept., 1965], No. 32118/66. Heading B1C. A dough kneader has a rotatable mixing container 2 and a rotatable kneading member 5 the envelope of which is a double cone 7 having a generating axis coincident with the axis of rotation of the member and extending in a plane containing the axis of rotation of the container and at an angle thereto. As shown one tip of the double cone preferably projects beyond the container axis and the other beyond its upper edge. As shown in Fig. 3 the arms of the kneader have portions 8, 8<SP>1</SP>, extending in axial planes from its rotational axis, joining portions 9, 9<SP>1</SP> which extend in a curve or helix over the base of the double cone.
Patent GB-729290-A (GB)
Title: Brake cylinder suspension device
Inventor: JEPPSSON ERIK MAURITZ
IPC: B60T17/08
Filed: 1953-11-19
Abstract: 729,290. Brake cylinder suspensions. SVENSKA AKTIEBOLAGET BROMSREGULATOR. Nov. 19, 1953, No. 32142/53. Class 103 (1). A suspension arrangement for a railway vehicle brake cylinder comprises a support formed of a pair of U-irons 17 to which are bolted bracket distance pieces 10 to which the sheet steel cylinder is welded or otherwise permanently secured. The brackets 10 are of U-shaped sheet steel members located at the corners of an imaginary triangular of polygonal figure and are preferably spaced at 120 degrees to one another.
Patent GB-1268198-A (GB)
Title: Improvements in or relating to pinions
IPC: F16H57/021
Filed: 1968-07-05
Abstract: 1,268,198. Making pinions. CAM GEARS Ltd. 24 June, 1969 [5 July, 1968], No. 32220/68. Heading B3A. [Also in Division F2] A pinion having integral inner race seatings for mounting in ball bearings comprises a pinion having teeth 11 and, adjacent to the teeth, inner races 13 having radial flanges 13a the diameters of which are greater than the diameter of the roots of the pinion teeth. The pinion is made by forming a blank having the radially flanged inner races 13 and an axial cylindrical portion equal to the length of the pinion teeth and rolling the cylindrical portion between toothed dies to form the teeth. The pinion is made integral with a mounting shaft 12 for mounting in a rack and pinion device, Fig.1 (not shown), suitable for a vehicle steering gear.
Patent GB-886939-A (GB)
Title: Improvements in rotary filters
Inventor: APPLETON FREDERICK SANFRID
IPC: B01D33/00
Filed: 1959-09-22
Abstract: 886,939. Rotary filters. DAVY, PAXMAN & CO. Ltd. Sept 22, 1960 [Sept. 22, 1959], No. 32281/59. Class 46. Liquid to be filtered is supplied under pressure through a stationary tube 11 to a compartment 10 formed by baffles 12 and a perforate cylinder 7 within a pressure vessel 1 rotated on rollers 2 and within a bearing 3, 4 by a sprocket wheel 6 and chain (not shown). The liquid passes through a precoat of filter medium on the inside of cylinder 7 and filtrate is collected by a number of pipes 13 (one for each of the compartments 9) ending in a bearing surface 16 sliding over a fixed bearing surface 15 in a filtrate discharge head 14. Dislodged filter cake is guided by a shoot 19 into a stationary tube 20 within which rotates a screw conveyer 21 communicating with a discharge opening 22. 18 is a drainage discharge pipe.