baber/WOPTO huggingface dataset:
Patent GB-1131852-A (GB)
Title: Improved integrating sphere colorimeter
Inventor: HAMBLETON JAMES
IPC: G01J3/51
Filed: 1965-03-04
Abstract: 1,131,852. Photo-electric colourimeters. JOYCE, LOEBL & CO. Ltd. Feb.22, 1966 [March 4,1965], No. 9258/65. Heading G1A. In a photo-electric colourimeter light from the sample is integrated in an integrating sphere whence it passes through a filter to a photo-multiplier and a portion of the light from the source is directed on to the same or a different photomultiplier whereby the colourimeter output is compensated for variations in light source output. Light from a lamp 1 Fig. 1 passes through an iris 4 and heat filter 5 to be reflected into the integrating sphere 3. A sample is located at 8 for reflectance measurement, or at 9 for transmission measurement. Light in the sphere passes through a colour analyzing filter 11 to a diffusing surface 12 whence it is reflected to a photo-multiplier 13. The photo-mutiplier output is determined by comparing it with the voltage from a self-balancing potentiometer in a double triode circuit and making any difference adjust the potentiometer tapping for equality, Fig.3 (not shown). A cap 21 is provided at a point where light is specularly reflected by the sample 8 having one reflecting and one black surface so that gloss may be measured by comparing the photo-multiplier outputs with each of these surfaces innermost. To compensate for variations in light source intensity a light pipe 15 takes light from a small hole in mirror 6 to a second photomultiplier 16, the output current of which is used to adjust the dynode potential of both photo-multipliers. In a modification, Fig.2 (not shown), a mirror chopper 19 deflects light from the lamp 1 to a port 18 in the sphere 3 so that it falls on the photo-multiplier 13 alternately with light from the sample. Switches synchronized with the chopper ensure that the photo-multiplier output is used for measuring and adjusting its own sensitivity during the correct parts of the cycle. The colour of samples is determined by making separate measurements through different filters 11 so constructed out of sectors of filter material that their overall transmission corresponds to the C. I. E. transmission curves.
Patent GB-1461452-A (GB)
Title: Process for preparing polymers of cyclopentene
IPC: C08G61/06
Filed: 1974-03-01
Abstract: 1461452 Polymerization of cyclopentene B F GOODRICH CO 1 March 1974 [2 March 1973] 9271/74 Heading C3P Cyclopentene is homopolymerized or copolymerized with one or more oomonomers in the presence of a catalyst comprising (A) at least one compound AlR 3  or AlR x X y  where R is a C 1 -C 12  alkyl group or C 6 -C 14  aryl group, X is F, Cl or Br, x is 1 or 2, y is 1 or 2 so that x + y = 3, (B) iodine and (C) at least one W and/or Mo salt wherein there is 0À01 to 10 mmoles (C) per mole of monomer, 0À1 to 10 moles (B) per mole of (A) and 0À2 to 20 moles (A) per mole (C). Activators, e.g. air, O 2 , alcohols, certain peroxides and molecular weight modifiers, e.g. butene or methylbutene may also be present. The polymerization may be in bulk or in solution. In the examples cyclopentene is polymerized in benzene in the presence of iodine, triethylaluminium, WCl 6  with or without benzoyl peroxide and in a comparative example no iodine is present and the polymerization is terminated by the addition of ethanol to give a product with a trans content of 77-81%.
Patent GB-126194-A (GB)
Title: New or Improved Means for Indicating the Speed Relation of Two Revolving Shafts, particularly applicable for Indicating the Speed Relation of Two Rotating Members of a Clutch Coupling.
Inventor: ALEXANDER FRANCIS HERBERT
IPC: G01P3/04
Filed: 1918-06-07
Abstract: 126,194. Alexander, F. H. June 7, 1918. Differential speed indicators.-Relates to means for indicating the speed relation between two shafts, particularly applicable to the rotating members of a clutch coupling. Two alined shafts are driven from the clutch coupling shafts at corresponding speeds. One carries a short screwthreaded head, and the other an axially slidable box surrounding the head and fitted with an internal tooth engaging the head so that change of relative direction of rotation of the shafts will cause movement of the box which serves as an indicator. On the shaft 1 is mounted a box 6, axially slidable by Ó feather 7 and formed with a tooth 11 adapted to engage with the screw-head 8 of the shaft 2. The box also carries a cover 9 having a flange 10 serving as an indicator. Springs 14 are interposed between fixed collars 12 and loose collars 13. On a change of relative rotation of the shafts, the tooth 11 enters the thread 8 and the box 6 travels towards the right until the tooth is free, the cover 9 then compressing the spring 14 on the shaft 2. The clutch members should be put in connexion while the indicator is moving slowly in either direction. In a modification, the box 6 is fixed on .the shaft 1 and the screw-head 8 is carried on a sleeve slidably mounted on the shaft 2 and fitted with an indicator.
Patent GB-351525-A (GB)
Title: Improvements in the construction of roads or areas and foundations constructed of plain or reinforced concrete
IPC: E01C7/14
Filed: 1930-03-24
Abstract: 351,525. Concrete surfaces. WALKER, J. H., Eridge, Shooter's Hill, Woolwich, London. March 24, 1930, No. 9428. [Classes 20 (iv) and 107.] A method of constructing concrete roads, foundations, embankments, arches, tank-bottoms, &c., consists in forming the road &c. of two, or more, superposed layers of concrete, the upper layer being,laid on a pre-set lower layer, which latter has substantially regularly disposed depressions or projections on its surface, the total area of the depressions or of the spaces between the projections being substantially less than half the total area of the road surface. The upper layer is thus anchored against lateral movement, during shrinking, in all directions and splits up into a number of blocks separated by minute vertically disposed cracks. According to one construction, a road bed 1, Figs. 4 and 5, has a series of longitudinal grooves 2 and transverse grooves 3, and has cast thereon a lower layer of concrete A. Vertical reinforcing members 5 having legs 6 are supported on the road bed, each member comprising a leg 7, a loop 8, and a tie 9. The layer A is reinforced by rods 4 supported in the lower ends of the loops 8. Prior to setting, the layer is formed with key depressions 12, arranged in rectangular formation and disposed between the members 5. When set, the layer is coated with tar, paper, or other material and an upper layer B of unreinforced concrete is then cast thereon. This layer may be surfaced with tar, bitumen, asphalt or other surfacing material. In lieu of the depressions the keying means may comprise upstanding projections formed by concrete slabs or the like cast upon or located in the lower layer. In a modification, the lower layer may be formed of previously prepared slabs of relatively large size, provided with depressions or projections and laid on the road bed.
Patent GB-450829-A (GB)
Title: Improvements relating to devices for the delivery of measured quantities of liquid
IPC: G01F11/26
Filed: 1936-03-31
Abstract: 450,829. Delivering measured quantities of liquids. BOWKER, R. P., 75, Charles Street, Sheffield. March 31, 1936, No. 9482. [Class 106 (v)] In a device for delivering measured quantities of liquids of the kind adapted to be attached to a bottle or like container and comprising a measuring chamber 5 arranged to be filled from a supply chamber 4 attached to the measuring chamber and in direct communication with the bottle, the pouring pipe for delivering the measured quantity from the chamber 5 is in the form of an elbow 6 upwardly inclined towards or beyond the vertical centre line of the device. On tilting the bottle, liquid flows into the chamber 4 by way of a pipe 2 and rises to the level of a vent pipe 3. On restoring the bottle to its normal position, liquid flows into the chamber 5 through an elbow 8 having its outlet adjacent the glass dome 5a of the chamber. On again tilting to pour out the measured quantity through the elbow pipe 6, air enters the measuring chamber by way of an air vent 7 and the elbow 8 and another supply of liquid passes from the bottle to the chamber 4.
Patent GB-1128484-A (GB)
Title: Vacuum casting plant
IPC: H05B6/20
Filed: 1966-03-04
Abstract: 1,128,484. Vacuum furnaces. V. P. GRECHIN, Z. A. ORESHNIKOV, and B. F. MILYAEV. 4 March, 1966, No. 9608/66. Heading F4B. [Also in Division B3] In a vacuum casting plant billets are supplied from storage chambers 2 into a melting chamber 1 which is provided with induction heating units 4, one for each storage chamber. A casting chamber 3 is located below the melting chamber 1 and a mould 5 is located therein for movement into and out of the melting chamber 1 by means 12. In operation billets are supplied, successively or simultaneously, to the respective heating units, the resulting molten metal running into the mould 5. The mould is lowered, when filled, into the chamber 3 for subsequent removal from the plant. Valves 7 and 11 are positioned between chambers 2 and 1 and 1 and 3 respectively, so that the vacuum in the respective chambers may be released to facilitate recharging of the storage chambers or removal of a filled mould without effecting the continuous running of the plant.
Patent GB-759301-A (GB)
Title: Process and apparatus for continuous casting
IPC: B22D11/14
Filed: 1954-04-01
Abstract: 759,301. Continuous-casting machines. DEUTSCHE EDELSTAHLWERKE AKT.- GES. April 1, 1954 [April 2, 1953], No. 9609/54. Class 83 (1). In a process of continuous-casting with chill moulds divided into separate loose parts and cooperating to form a mouldtrain which is maintained by withdrawing moulds therefrom and adding moulds thereto, the mouldtrain is so driven as to press the moulds together whilst the parts of the moulds are also being pressed against one another, preferably yieldingly. The chill mould train 8 moves in a vertical guideway comprising a rigid guide 2 having rollers 3, and a resilient guide 4 of rollers 5 loaded by springs 7. The mould-halves 46 include rack sections 47 which mesh with wheels 9, 10 at the top and bottom of the train respectively, the wheels 10 being braked in relation to the positivelydriven wheels 9 so that the moulds are firmly held one above the other. As the mould train moves down with the casting, pins 11 on the bottom mould halves engage guide surfaces 12 and the halves move to the positions 12<SP>1</SP> adjacent rams 13, by means of which they are moved into guideways 15 above stop-members 16. When the guideways are filled with mould-halves the top mould-half in each guideway is guided at 18 to a vertical section 19 in which mould-halves come together to form a closed mould at the top of the train. The casting 32 is engaged by rollers 28, 29, the roller 28 being driven in synchronism with the driving wheels 9. When starting, a plug is inserted in the mould train and lowered therewith. The mould-halves may be shaped to interengage. The mould-halves are cooled while on the surfaces 12 by passing through a coolant-container 20, through which the casting passes without coming into contact with the coolant. The moulds may be further cooled while in the guideway 15 by sprays 21 of air or water, and coated by means 22 spring-urged against the mould. The casting is cooled by annular nozzles 40, 40a, and cut into lengths by a flying cutting burner 41. Pouring-apparatus. The metal is poured from a hopper 37 into a tiltable intermediate dish 36 with an adjustable outlet aperture 39, thence into a funnel 33 with an extension 34 reaching into the lower of the two moulds positioned in the guide section 19. The intermediate vessel may be heated.
Patent GB-1463060-A (GB)
Title: Synthetic display of seismic reflection strength
IPC: G01V1/28
Filed: 1973-02-27
Abstract: 1463060 Seismic data processing SEISCOM Ltd 27 Feb 1974 [27 Feb 1973] 9637/73 Heading G1G A synthetic seismic section is made by obtaining values of seismic velocity in the zones above and  below major reflectors, computing from these values representations of the reflection coefficients for the reflectors, and converting the representations to a display in the form of, or superimposed on, a real seismic section display. In the embodiment described, interval velocities computed from track analyses are combined with assumed or measured rock density values (e.g. from a borehole gravimeter log or density log) to derive the reflection coefficients. The latter represent approximately synthetic reflection strengths which, with the observed reflection strengths of the real section, may be normalized with respect to a reference reflection such as that from the sea bottom. The normalized real and synthetic sections can then be compared to identify reflection strength anomalies (possibly indicative of hydrocarbon saturation of the rock). The two sections may be subjected to the same space- and-time-variant filtering, and displayed in colour.
Patent GB-192643-A (GB)
Title: Improvements in troughs for polishing, grinding and like stones
IPC: B24B55/06
Filed: 1922-04-04
Abstract: 192,643. Mickleburgh, F. S. A. April 4, 1922. Supplying fluids; guides and rests.-A trough for grinding, polishing, and like stones is made of earthenware or like material and is formed with a hood 1 to prevent splashing and with an integral hand-rest 4; all meeting edges of the trough are radiused. In the construction shown in Fig. 4, a reservoir 10 is formed on the hood 8 and a water-drip tap 9 is provided.
Patent GB-1458579-A (GB)
Title: Semi-conductor gate controlled switch devices
IPC: H01L29/744
Filed: 1974-03-04
Abstract: 1458579 Semi-conductor devices SONY CORP 4 March 1974 [6 March 1973] 9644/74 Heading H1K A semi-conductor gate controlled switch comprises a substrate having a major surface 10a, a first semi-conductor region 10 of a first conductivity type faced to the major surface 10a, a second semi-conductor region 11 of the second conductivity type faced to the surface 10a and surrounded by the first region 10, a third semiconductor region 12 of the first conductivity type faced to the surface 10a and surrounded by the second region 11, a Schottky barrier 14 on the first region 10 and faced to the surface 10a, main electodes K, A provided on the third region 12 and the barrier 14 respectively, and a control electrode G provided on the second region 11 the third region 12 and the Schottky barrier 14 forming the emitters of first and second transistors respectively, the current gain amplification factor of the first transistor in the grounded base mode being greater than that of the second transistor, and the turn-off gain of the device is between 100 and 300. A low resistivity region in the opposite face may provide a second gate electrode, and isolation regions (15, 18), Fig. 5 (not shown), may be provided. The device may be built as an integrated circuit structure comprising a transistor (21), Fig. 6 (not shown), and N + and P + buried isolation regions (22, 23).
Patent GB-848477-A (GB)
Title: Improvements in or relating to electro-magnetic relays
Inventor: LENEY ERIC NORMAN
IPC: H01H50/32
Filed: 1958-03-26
Abstract: 848,477. Telephone sets. AUTOMATIC TELEPHONE & ELECTRIC CO. Ltd. Feb. 19, 1959 [March 26, 1958], No. 9651/58. Class 40 (4). In a telephone set, suitable for use by a partyline subscriber in the system described in Specification 837,653, wherein a relay is mechanically conditioned, preparatory to its operation, by the removal of the handset, is duly operated from the exchange and remains so until reset mechanically by the replacement. of the handset, the relay has its contact spring pile-up arranged transversely with respect to its yoke and the armature carries a latching member effective in the released condition of the armature to maintain the (or a) moving spring of the pile-up in a position of deflection opposed to the inherent tension thereof, and in the operated condition of the armature to permit the moving spring to be deflected by its inherent tension to a second position, the release of the armature by its restoring spring being effected upon the deflection of the moving spring in a direction opposed to its inherent tension, by the depression of the cradle plungers when the handset is replaced. Operation.-The relay is shown in Figs. 1 and 2 in the operated condition, the handset (not shown) being off and the pivoted plate 12 being urged fully clockwise by the spring 13, the rollers 14 thus raising the cradle plungers (not shown). When the relay is de-energized the armature 24 may, under the action of the restoring spring 28 which engages channel 53 (Fig. 4) of the latching member 26 mounted on the armature, make a barely perceptible initial movement in the release direction, but this is stopped by the lower face of the tooth 52 (Fig. 4) of member 26 engaging with the edge of the relatively rigid arm 41 which is bonded to the moving spring 41a. When the handset is replaced the resulting anti-clockwise rotation of the plate 12 causes the arm 15 to depress the plunger 16 thus moving the arm 41 clear of the tooth 52 so that the spring 28 may restore the armature 24. The downward movement of arm 41 also causes the moving springs 41a and 34 to close their lower contacts. When the subscriber lifts the handset to initiate a call the arm 15 moves upwards and inherent upward tension of the spring 41a tends to move arm 41 upwards. However, this movement is stopped, and change-over of the contacts is prevented, by the face of arm 41 coming into engagement with the rounded tooth 52 of the latching member 26 (in the released condition of the armature). When, subsequently, the relay is operated from the exchange, the armature 24 is attracted and as the latching member 26 rises the tooth 52 slides across the face of the arm 41 until it disengages, whereupon the arm 41 and spring 34 are permitted to assume the positions shown in Fig. 1 by relaxation of the upwardly tensioned springs 34 and 41a.
Patent GB-800306-A (GB)
Title: Improvements in or relating to antenna supporting structure and method of assembly
IPC: H01Q1/24
Filed: 1955-04-01
Abstract: 800,306. Directive radio systems. RAYTHEON MANUFACTURING CO. April 1, 1955 [April 8, 1954], No. 9654/55. Classes 40 (5) and 40 (7). An assembly for the transmission of radio signals consists of a mounting bracket 17 to one side of which is attached a reflector 14 and the other side of which carries a casing 12 containing generating and control devices and having a waveguide outlet 20 which, when the case is in position, is in alignment axially with the reflector. The bracket 17 is itself mounted on the top of a tripod 21. As shown, the reflector 14 has a circular axial aperture and carries a hub portion on its rear side. On assembly the reflector and hub are placed over pins 26 projecting from bracket 17 and then aligned angularly for the insertion of fastening-screws 23. The antenna feed 16 with terminal reflector plate 15 is a separate unit placed in position from the rear of the bracket and pressed'home so that its rear flange 16a is hard against centre part 31 of bracket 17 and its intermediate flange 37 completes the surface of the reflector. It is initially positioned by locating pins and later attached by captive screws in flange 16a. The case 12 has rail shoes 66 on its base which slide along rails 67 on bracket 17. The case is thus guided into position so resilient coupling assembly 58 on the front of the case aligns with and fits over nose 162 on the back of feed 16. The rails 67 can then be drawn down to clamp the case in position. Specification 800,305 is referred to.
Patent GB-128262-A (GB)
Title: Improvements in Girders and similar Structures for Aircraft and other purposes.
Inventor: COWTAN DOUGLAS MUSSON
IPC: B64C3/18
Filed: 1917-07-05
Abstract: 128,262. Cowtan, D. M., and Piccolomini, H. C. P. July 5, 1917. Planes, construction of; framework.-Girders, struts, spars, ribs, &c. for aircraft and other purposes are composed of triangular, rectangular, circular, or other shaped metal stampings formed with a flange or wall at one side and secured between longitudinal members, which may also be flanged along one or both sides or connected by a side wall or web, which may be interrupted at intervals, or may be pierced or of lattice formation. Fig. 7 shows triangular elements a flanged at b and arranged between longitudinal channels k and at opposite sides of a rectangular element formed of two stampings as shown in Fig. 3 placed back to back and encircled by a band g. Various arrangements of the triangular or other elements are described. Transverse plates l, Fig. 13, may be interposed between the elements a. In the case of a tapering girder, such as a wing rib, the elements are of varying size, as shown in Fig. 16. The spars may be connected to the ribs by gusset plates.
Patent GB-832314-A (GB)
Title: Improvements in or relating to disc harrows
IPC: A01B23/06
Filed: 1958-03-26
Abstract: 832,314. Agricultural implements. CAVANAGH, J. March 26, 1958 [April 2, 1957], No. 9715/58. Class 6(1). In a disc harrow the disc axles 2 are resiliently supported from the frame 6 by means of spring urged telescopic members 4, 5, the member 4 being mounted in the bearings 1 for the axle 2 and the member 5 being pivotally mounted in the frame 6. The harrow is raised for transport purposes by means of wheel members pivoted in the frame and lowered into transport position.
Patent GB-963802-A (GB)
Title: Improvements in devices for the storage of articles
IPC: A47B53/02
Filed: 1963-03-12
Abstract: 963,802. Storage systems. H. INGOLD. March 12, 1963 [March 14, 1962], No. 9730/63. Heading B8E. In a storage system comprising a row of movable storage racks between any neighbouring pair of which a service gangway may be opened, the racks are moved by a reversible motor 13 which drives one or more endless chains 17 each of which is secured to one end of a reciprocable rod 20 which in turn is secured to the end rack I but extends beyond it along the row. Each of the other racks II, III &c. carries a lever 7 by which a catch lever 11 may be engaged with a corresponding catch element (not shown) on the rod 20. Adjacent racks contact each other at buffers 5, 6 and the spacing of the catch elements on the rod is such that when the rack furthest from rack I of a set of consecutive racks to be moved together is latched to the rod, all the racks of this set effectively form a rigid unit. Preferably there are two parallel endless chains and two catch levers 11, operated from by common control lever 9, engage the respective chains. There may be a fixed rack B at the drive end of the row situated either above the drive mechanism as shown or between it and rack I. In the latter case the length of the chain run should be increased by the width of one rack.