baber/WOPTO huggingface dataset:
Patent GB-1003978-A (GB)
Title: Spark discharge lamp arrangements
IPC: H05B41/22
Filed: 1962-05-02
Abstract: 1,003,978. Spark discharge lamps. F. FRUNGEL. May 2, 1962, No. 16842/62. Heading H1D. A spark discharge lamp arrangement, which can be used for emitting light signals for measuring visibility in the atmosphere, comprises a gas-filled transparent bulb 4, a pair of electrodes 5 therein to form a spark gap which increases gradually by disintegration of the electrode material which forms a substantially uniform layer on the inner surface of the bulb, and a circuit including a condenser 2, the area of cross-section of the electrodes, the area of the inner surface of the bulb, the capacity of the condenser, the inductance of the circuit and the spark gap being so related that the reduction of light permeability of the bulb by the deposited layer of electrode material is substantially wholly compensated by the increase of light output of the spark discharge caused by the increase of the spark gap. Formulae are stated correlating the several variables and used in conjunction with an experimental procedure. An igniting electrode 6 can be provided. The bulb 4 can be of hard glass or quartz. The electrodes 5 can be of tungsten and the gas filling can be a rare gas of an atomic weight of at least 83.80 such as xenon or Krypton at atmospheric pressure. Argon is also referred to. The rare gas is chosen so as not to attack the electrode material. The condenser 2 is charged from a high tension source 1 with a hyperbolic characteristic giving a constant power output. The electrodes 5, at least at their tips, can be cylindrical, prismatic, conical or pyramidal. Light scattering mirrors can be incorporated in the arrangement.
Patent GB-515745-A (GB)
Title: Improvements in or relating to tools used in flanging tubes
IPC: B21D17/02
Filed: 1938-06-07
Abstract: 515,745. Flanging tubes. HASLAM, E., and HOLLAND & HANNEN & CUBITTS. Ltd. June 7, 1938, No. 16904. [Class 83 (iv)] Tubes, for example copper tubes, are flanged by clamping in a two-part die 1 having a recess 6 and applying end pressure by a tool 7 having an annular recess 10 to receive the end of the tube, a spigot 8 to support the tube internally and an annular surface 9 to coact with the recess 6. The die parts may be lined with soft metal such as brass.
Patent GB-581647-A (GB)
Title: Improvements in and relating to the treatment of cement products
IPC: C04B22/12
Filed: 1944-09-05
Abstract: Bodies formed of calcareous and like cements, e.g., cement concrete, artificial stone, cement-bound plaster board, cement asbestos sheets, and the like, which are subsequently to be painted with an oil paint, are treated with a composition containing hydrofluosilicic acid and fluosilicates of an alkaline earth metal and a heavy metal, in order to neutralize any free lime in the cement and so prevent saponification of the oil in the paint.  The fluosilicates used are preferably those of magnesium and zinc, and the composition may contain 17.5-22 parts by weight of hydrofluosilicic acid, 7-10 parts of magnesium fluosilicate, and 3-5 parts of zinc fluosilicate, with sufficient water to give a solution of 21 DEG B<\>ae.  The composition may be prepared by separately dissolving magnesium carbonate and zinc carbonate or hydroxide in hydrofluosilicic acid, mixing the two solutions, and diluting with water to the desired density.ALSO:Bodies formed of calcareous and like cements, e.g., cement concrete, artificial stone, cement-bound plaster board, cement asbestos sheets, and the like, which are subsequently to be painted with an oil paint, are treated with a composition containing hydrofluosilicic acid and fluosilicates of an alkaline earth and a heavy metal in order to neutralize any free lime in the cement and so prevent saponification of the oil in the paint. The fluosilicates used are preferably those of magnesium and zinc, and the composition may contain 17.5-22 parts by weight of hydrofluosilicic acid, 7-10 parts of magnesium fluosilicate, and 3-5 parts of zinc fluosilicate, with sufficient water to give a solution of 21 DEG B<\>ae.  The composition may be prepared by separately dissolving magnesium carbonate and zinc carbonate or hydroxide in hydrofluosilicic acid, mixing the two solutions, and diluting with water to the desired density.
Patent GB-1388970-A (GB)
Title: Method of and apparatus for producing reinforced fabrc
Inventor: ALDERFER S
IPC: B29C48/08
Filed: 1973-04-09
Abstract: 1388970 Coating belt cords by extrusion; seaming STEELASTIC CO 9 April 1973 [24 May 1972] 16979/73 Headings B5A and B5K [Also in Division D1] Bias cut fabric, e.g. for a tyre ply belt, is produced by seaming strips cut from a ribbon of reinforced elastomeric material. In the preferred embodiment, helically coiled steel wires 15 are maintained in parallel alignment by grooves 44 in metal blocks 21a, 21b whilst elastomeric material is extruded over them via throat 24 and flared passageways 25, 26 of crosshead die 20 to form a reinforced ribbon 45. The extremities of passageways 25, 26 remote from throat 24 are vented by apertures 36, 38, the wastage of elastomeric material being controlled by eccentric gates 39, 41. If it is desired to join sections of ribbon with an overlapping slice a selvage (46, Fig. 9, not shown), free from reinforcement may be provided. Alternatively, scarf splicing may be used. The extruded ribbon is cooled by passing it over drums (51-53, Fig. 1, not shown). In an alternative embodiment, the reinforcements are calendered between two ribbons of elastomeric material. The bias cut fabric is assembled upon conveyer 130. A shuttle 152 moves along slide bar 179 between conveyer 130 and table 88 of lead-in mechanism 80 to which the reinforced ribbon 45 is supplied. After shuttle 152 is placed above lead-in mechanism 80 table 88 is elevated to bring ribbon 45 in contact with shuttle 152. As shown, the shuttle comprises a plenum chamber 193 with perforations 194 in its underside and reduced pressure is applied to chamber 193 to secure the ribbon to the shuttle. Alternatively, the ribbon may be secured by means of electromagnets or by a plurality of needles depending from the underside of the shuttle. The shuttle moves to the position, Fig. 11 (and Fig. 25, not shown), above conveyer 130, thereby withdrawing a predetermined length of ribbon. Retraction of the ribbon is prevented by a spur brake (120, Fig. 16, not shown), mounted on table 88. Shuttle 152 and table 88 are lowered, thereby depositing the ribbon on conveyor 130. In this position (Fig. 26, not shown), blade (252, Figs. 17, 18, not shown), of guillotine 150 is lowered to sever the ribbon at an angle to its longitudinal axis. The ribbon is released by raising the pressure in chamber 193, shuttle 152 is raised and conveyer 130 is indexed to the left as viewed in Fig. 10. The shuttle returns to its position above lead-in mechanism 80 and the cycle is repeated. Limit switches and pneumatic cylinders automate the cycle. Conveyer 130 pivots about vertical axis 260 to adjust the bias angle.
Patent GB-1151484-A (GB)
Title: Epitaxial Growth of Germanium
Inventor: JACKSON DON MERRILL
IPC: H01L21/00
Filed: 1968-04-09
Abstract: 1,151,484. Coating with germanium. MOTOROLA Inc. April 9, 1968 [April 24, 1967], No. 17010/68. Heading C7F. A layer of monocrystalline Ge is formed on a Si substrate by first expitaxially growing a monocrystalline layer of Si from e.g. silicon tetrachloride, or SiH 4  on a monocrystalline silicon wafer, and then depositing Ge from a mixture of germane and a carrier gas e.g, helium, hydrogen or nitrogen, the temperature of the newly formed silicon being from 350 to 670‹ C., for a time sufficient to grow at least 0À2 microns of Ge, and then increasing the temperature to above 670‹ C. The further growth of Ge may be effected using germane, trichlorogermane or germanium tetrachloride. The reactions may take place in a quartz tube with R.F. induction coils Fig.1 (not shown).
Patent GB-794160-A (GB)
Title: Glass working machine
IPC: C03B11/02
Filed: 1956-06-01
Abstract: 794,160. Glass manufacture. CORNING GLASS WORKS. June 1, 1956 [June 6, 1955], No. 17026/56. Class 56. A glass working machine comprises a support, an annular mould carrying turret rotatably mounted thereon and means associated with the support providing a predetermined path of travel for the turret over a particular area of the support, and providing paths of travel for the turret over other areas of the support that are determined by the extent of variations in its transverse dimension during its travel thereover. An annular turret 11 carrying moulds 28 rests on a support 12 on which it rotates and is held in position by rollers 14, 15 on fixed axles 16, 17 and a spring-loaded roller 18 on a movable axle 19. The rollers 14, 15 are arranged on brackets 43, 44 on opposite sides of columns 21, 22, which with columns 37, 38 support a press head assembly 25, and the bore wall of the turret is held tightly against the rollers by roller 18. The axle 19 is mounted on a carrier 40 slidably mounted on a bracket 41 between guides 42, a spring 20 between the bracket 41 and carrier 40 pressing the roller 18 outwardly to compensate for variations of diameter of the turret. A channel 45 in the support 12 allows for the introduction of cooling air against the mould bottoms 28. Each mould 28 is positioned under the press head 25 by a tapered pin engaging a tapered hole 27 in the turret 11 by means of a pneumatic unit. The pressing plunger is connected by toggles to a pneumatic unit supported on the columns 21, 22 and 37, 38.
Patent GB-1083154-A (GB)
Title: Solid state switching arrangements
IPC: H01L45/00
Filed: 1965-04-23
Abstract: 1,083,154. Semi-conductor devices. DANFOSS A.S. April 23, 1965 [May 5, 1964], No. 17254/65. Heading H1K. A switching arrangement comprises at least two junctionless non-rectifying semi-conductor switching devices formed in a single element of polycrystalline material. As shown, Fig. 1, three independent switches comprise a metal plate 1 which acts as a common electrode, a layer of polycrystalline switching material and three electrodes 3, 4, 5. In a second embodiment, Fig. 2 (not shown), a metal electrode layer (16) is applied to the top surface of a polycrystalline layer and is then divided into two electrodes (16a, 16b). When the first switch has been fired the circuit path (18) between electrode (16a) and common electrode (14) occurs near the dividing line so that application of a voltage below the threshold voltage to electrode (16b) allows the second switch to fire. In another embodiment, Fig. 3 (not shown), the polycrystalline material is cast round pairs of electrodes (20, 21; 22, 23). In a further embodiment, Figs. 4 and 5 (not shown), two electrode structures comprising a plurality of strip conductors (27, 29) located in grooves in insulating plates (26, 30) are arranged in contact with opposite sides of a polycrystalline layer (28) so that the sets of electrodes cross at right angles forming a matrix of switching elements. The polycrystalline material may comprise 67À5% Te, 25% As, 7À5% Ge applied by vaporization, sintering, or solidification from a melt. This material becomes conductive when its threshold voltage is exceeded and returns to its high resistance condition when the current falls to zero. Alternatively the material may be 90% Te, 10% Ge which becomes conductive when its threshold voltage is exceeded but maintains this low resistance condition even when the current falls to zero. The material may be returned to the high resistance condition by applying a current or current pulse, of either polarity, above a threshold value.
Patent GB-957819-A (GB)
Title: Improvements relating to printing machines
IPC: B41F21/08
Filed: 1962-05-04
Abstract: 957,819. Feeding sheets. MASCHINENFABRIK AUGSBURG - NURNBERG A.G. May 4, 1962 [May 6, 1961], No. 17271/62. Heading B6B. In a multicolour printing machine wherein sheets are fed by grippers on chains or in transfer drums, registration of the sheets is effected before, in, or after each printing unit by movement of the grippers after they have gripped a sheet. The grippers may be moved in or against the direction of travel of the sheet, or transversely thereof. As shown, the gripper system comprises a gripper support rail 1 and a gripper shaft 2 which both pass through a central, displaceable, carriage 3. The rail 1 is divided into several parts connected pivotally at 14 and 9, and the shaft 2 is divided into two parts which are mounted in self-aligning bearings 10 in the carriage 3, so that when the carriage is displaced the shaft 2 follows the movement of the rail 1. The carriage 3 is displaceable along grooved support arms 5, rotatably mounted on a main stationary shaft 6, by a lever 4 secured to a shaft 4<SP>1</SP> which is oscillated by a lever 7. The lever 7 has a roller engaging an eccentric disc 8 connected to an infinitely-variable drive 13 whereby the disc can be angularly adjusted whilst the machine is running to adjust the position of the carriage 3. The carriage adjustment is minute, and is effected only when the grippers are closed to grip a sheet. Since the carriage is central, the grippers at the centre move a greater distance than the outer ones. The grippers are controlled in known manner by means of levers 12 carrying rollers in contact with eccentrics 11 at both sides of the machine. The carriage 3 may not be central. In a modification, the rail 1 and shaft 2 are divided lengthwise into several parts which can be displaced laterally of the side walls of the machine, so that the grippers stretch a sheet transversely to correct register thereof.
Patent GB-313958-A (GB)
Title: Power actuators for vacuum brake systems
IPC: B60T13/24
Filed: 1929-06-06
Abstract: 313,958. Bragg, C. S., and Kliesrath, V. W. June 20, 1928, [Convention date]. Fluid-pressure.-Pneumatic apparatus suitable for operating the brakes of vehicles comprises a cylinder 1 and piston 3 connected respectively to the back and front brakes, the ends of the cylinder being connected by pipes 14, 32a to a valve casing 6, which is connected by a pipe 32 to a source of suction, such as the manifold 61 of the engine. The casing contains a diaphragm 8 normally engaging an annular seating 11 and provided with holes 19 connecting a central chamber 7 with an outer chamber 13, so that both chambers are open to the suction of the manifold. A second diaphragm 15 seats on an annulus 7<x>, the outer face being open to atmosphere through ports 17, while the portion of the inner face between the seat 7x and the centre is open to the suction in the chamber 7. The diaphragm 8 is adjacent to an annular seat 10<a> on a disc 10 which is fixed with the diaphragms, to a movable member 20 connected by a rod 82 to the foot lever 80. To apply the brakes, the lever 80 is operated and moves the diaphragms and disc 19 into the position shown in Fig. 3, so that atmospheric pressure enters the chamber 7 through the ports 17, 23, while the diaphragm 8 seats on the annulus 10<a> and cuts off the chamber 13 from the chamber 7. Atmospheric pressure, passes from the chamber 7 through the pipe 14 to one end of the cylinder 1, while the other end is open to the suction in the chamber 13 through the pipe 32<a>. The difference of pressure on the two faces of the piston 3 causes relative movement between the piston and cylinder and applies the brakes. If the lever 80 is moved far enough to bring a collar 24 on the member 20 into engagement with the valve casing, the back brakes may be physically applied by the operator. In another form, the annulus 7<x> is replaced by a second disc 10 and annulus 11 coacting with the diaphragm 15. In another form, the diaphragm 15 is replaced by a disc seating on the annulus 7x.
Patent GB-215223-A (GB)
Title: Improvements in or relating to storm or like valves
IPC: B63B29/00
Filed: 1923-07-04
Abstract: 215,223. Thorsten, A. F. July 4, 1923. Steam valves.-A valvea device particularly applicable for use as a storm valve on board ship has a pivoted flap normally held to its seat by a weighted arm arranged outside the valve and connected to the valve in such a way that the flap is held to its seat when the latter is in any position between horizontal and vertical. In the form shown the valve 27 co-operates with a seat 20 formed by boring out the end of a cast iron elbow 10. This elbow is secured to the side 15 of the ship by bolts 16 engaging a flange 12 and has a spigot 13 inserted in an aperture 13<a> in the ship side. The valve member is mounted on a shaft 24 which passes out of the valve chamber into a circular casing 29 where it is fitted with a toothed pinion 28. An arm 34 adjustably loaded by a weight 40 is pivoted near to the shaft 24 and has a toothed quadrant 38 adapted to engage the pinion 28. The casing 29 is provided with a removable cover and the elbow is furnished with a cleaning aperture closed by a plug 42.
Patent GB-451307-A (GB)
Title: Improvements in two-stroke internal combustion engines
IPC: F01B7/12
Filed: 1935-06-17
Abstract: 451,307. Pistons. CARLSLUND, A.G. R., 151, Ringvõgen, Stockholm. June 17, 1935, No. 17417. [Class 122 (i)] [See also Group XXVII] The pump-pistons 7, 8 of an internal-combustion engine are spherical peripherally, and funnel-shaped, engaging at the base the pins to which the levers 13, 14 and connecting-rods 11, 12 are pivoted.
Patent GB-960318-A (GB)
Title: Improvements in lamp holders
Inventor: LILLEY PHILLIP EDWARD
IPC: H01R33/955
Filed: 1962-05-08
Abstract: 960,318. Lampholders; snap-action switches. S. LILLEY & SONS Ltd. April 16, 1963 [May 8, 1962], No. 17565/62. Headings H2B and H2E. A lampholder (Fig. 1) includes a switch comprising a movable coil spring 24 of conducting material and an operating member 18 which causes the spring to move between two extreme positions with an over dead centre action, so that in the first (" on ") position the spring makes a bridging connection (Fig. 4) and in the second (" off ") breaks it (Fig. 5). The spring 24, which may be of phosphor bronze or coppered or stainless steel, is mounted in recesses 23, 21, between terminal 22 and the pivoted operating member 18, such that in both positions of member 18, it is under compression. In the " on " position (Fig. 4) the spring makes connection between terminal 22 and a channel section member 26, which is secured by means of a screw 27 (Fig. 3, not shown) to one of the plunger contacts 11. The other plunger 11 is the extension of terminal 25. In the " off " position (Fig. 5), the spring has flipped through dead centre and breaks contact with member 26. An Edison-type lamp coupling may be used.
Patent GB-373805-A (GB)
Title: Improvements in or relating to projectors for colour cinematography
IPC: G03B33/08
Filed: 1931-06-19
Abstract: 373,805. Kinematograph apparatus. SOC. ITALIANA PER LA CINEMATOGRAFIA A COLORI NATURALI CI. CO. NA. ANON., 3, Piazza Eleonora Duse, Milan, Italy. June 19, 1931, No. 17843. Convention date, June 20, 1930. Addition to 373,800. [Class 97 (i).] Means for changing the filters in a projector for colour-record films comprising, as described in the parent Specification, an electromagnet controlled by a relay, is itself controlled by the film. As shown, a film guide L, provided at any convenient part of the projector, carries levers A, A<1> which are pressed towards the film edges by springs K, K<1> and are provided with abutments P, P<1> tc engage the edges. The ends of a sliding spindle B are engaged by the levers when no film is in the guide, and the spindle carries a contact piece capable of bridging contacts D in the circuit of the relay. The spindle B occupies the position shown when film of normal width is in the gate, the relay circuit being broken, and the lever A<1> being held out of engagement with the spindle. When the filters are to be changed, a notch in the film edge permits the lever A to move the spindle so that the relay circuit is completed; a second notch in the other film edge subsequently permits the lever A<1> to restore the spindle to the position shown and again break the circuit.
Patent GB-858436-A (GB)
Title: Improvements in or relating to universal joints
Inventor: RABSON EDWARD JOHN
IPC: F16C33/78
Filed: 1958-06-05
Abstract: 858,436. Universal joints. BIRFIELD ENGINEERING Ltd. May 19, 1959 [June 5, 1958], No. 17958/58. Class 80 (2). A lubricant seal for each journal pin 2 of a Hooke's type universal joint comprises an O- ring 11 located in a circumferential groove 12 in the bearing bush 5 and engaging a machined surface on the enlarged root portion 14 of the pin. The bush 5 is retained in the yoke 4a by a circlip 6, and the shoulder formed by the enlargement 14 provides an end location for the bearing needle rollers 7, thus preventing damage to the ring 11. Holes 15, 16 are bored through the journal pins for the reception of the lubricant, closure being effected by a grubscrew 18.
Patent GB-138815-A (GB)
Title: Improvements in or relating to extensible carriers for use in show cases and the like
IPC: A47F7/26
Filed: 1919-07-18
Abstract: 138,815. Le Vine, J. July 18, 1919. Garment racks.-Relates to carriers for coathangers, &c. for use in show cases, &c., of the type comprising a rectangular frame slidable longitudinally in bearings on the show case, the front end of the frame being fitted with a handle, and the rear end with rollers movable in guides. The upper member g of the movable frame is supported on a roller n revolving on a spindle o fixed transversely in an aperture in the front end wall m of a box-frame a, and the rear end of the member g carries two rollers cl which bear on upper and lower guide-rails b, c. The rails b, c are formed bv recesses in the box-frame a, which is provided with pins w for attachment to brackets on the show case. Rubber rings &c. q, s, t cushion various parts of the carrier.
Patent GB-467457-A (GB)
Title: Production of concrete road surfaces
IPC: E01C19/50
Filed: 1936-06-29
Abstract: 467,457. Casting concrete roads. HOLTER, A. June 29, 1936, No. 18010. Convention date, Oct. 24, 1935. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 30, 1936.] [Classes 20 (ii) and 20 (iv)] The facings for forming an adjacent track or road section of a concrete road has an horizontal wood or iron member 6, Fig. 2, to rest on the previously formed section to position the facing, the vertical face extending above the horizontal member by about 60 per cent of the thickness of the finished concrete layer An L-shaped flanged member 13, of ordinary construction, may be used to form the outside of the track. The Specification as open to inspection under Sect. 91 comprises also facings for casting concrete roads similar to the flanged members 13 but provided with a downward extension below the horizontal flange to prevent concrete flowing beneath the flange. This subject-matter does not appear in the Specification as accepted.
Patent GB-1402521-A (GB)
Title: Bath for the electro-deposition of bright rhodium coatings
IPC: C25D3/50
Filed: 1974-04-25
Abstract: 1402521 Electro-depositing rhodium DEUTSCHE GOLD-UND SILBERSCHEIDEANSTALT 25 April 1974 [9 June 1973] 18140/74 Heading C7E Bright Rh is electro-deposited on an article in a bath containing Rh sulphate or phosphate and free acid e.g. H 2 SO 4  and from 50 mg/l to 10 g/l of chloride as Group IA and/or IIA metal (e.g. Na, K, Li, Rb, Cs, Mg, Ca, Sr, Ba) chloride, AlCl 3  and/or CrCl 3 .