baber/WOPTO huggingface dataset:
Patent GB-146719-A (GB)
Title: Improvements in or relating to illuminating devices
IPC: F21S13/00
Filed: 1919-07-08
Abstract: 146,719. Smith, J. A. Manners-. July 8, 1919. Electric-lamp lanterns and casings. - An illuminating-device comprises an upper light source C, surrounded by a reflector A reflecting the light on to the ceiling or other upper reflecting-surface, and a lower light source D surrounded by a translucent light diffusing-member B. The unobscured outer surface of the reflector A or of a member H enclosing the reflector A is illuminated by reflected, diffused, or direct light from the light source D. The member B may consist of rigid material such as opal glass, as shown in Fig. I, or of flexible material such as silk, as shown in Fig. III. A flanged ring F supports the reflector A and carries, by means of chains, arms, or a decorative band E, a lower flanged ring G supporting the translucent member B. The ring F is formed with suspending-hooks P or is supported from below on a pedestal. The light source C may be suspended from above or fixed to a spider N attached to the reflector A. The light source D is carried by a holder attached to a plate K secured to the reflector A or the member H. The lower surface of the reflector A or member H reflects the light from the source downwardly, or a downwardly reflecting surface may be introduced between the reflector A and the light source D. The light sources may each consist of a single lamp or a group of lamps, and may be operable either together or singly.
Patent GB-515636-A (GB)
Title: Improvements in and relating to piezo-electric devices
IPC: H04R17/00
Filed: 1938-06-08
Abstract: 515,636. Piezo-electric deaf-aids. BRITISH THOMSON-HOUSTON CO., Ltd., AULT, L. B., and BOCOCK, W. A. June 8, 1938, No. 17068. [Class 40 (iv)] A piezo-electric deaf-aid comprises a crystal unit 1 secured at its free end to a bone-conduction contact member 5 passing through the wall of the casing, a rubber pad 3 being interposed between the casing and one side only of the crystal or between the casing and the rear end of the contact member (Fig. 2 not shown). The free end of the crystal unit may be secured in a slot' in the contact member. Specification 440,330, and U.S.A. Specifications 2,045,427 and 2,106,051 are referred to.
Patent GB-446141-A (GB)
Title: Improvements in and relating to dental bridges
IPC: H02K27/14
Filed: 1935-06-13
Abstract: 446,141. Artificial teeth. VITAZAHNFABRIK GES. VORM. DR. HILTEBRANDT ZAHNFABRIK, 80A, Rellinghauserstrasse, Essen, Germany. June 13, 1935, Nos. 17101 and 17102. Convention dates, April 25 and June 1. [Class 81 (ii)] In a method for producing a porcelain dental bridge which includes a reinforcing framework, the intermediate elements b and, if desired, substitute gum portions d are modelled about the framework a in the form of a unitary block of non-shrinking porcelain material and are fired, the block then being provided with coatings e, e<1> of a transparent ceramic material to correspond with the colour of the natural teeth or teeth and gums. The bridge may be formed initially as a wax model from which a mould is made and into which the non-shrinking porcelain material is run and fired, In a modification, Figs. 1, and 3 the bridge may contain a number of prepared artificial teeth c comprising biting and front surfaces. In this case the coating of ceramic material is applied to the surfaces other than those of the prepared artificial teeth. Before the model in wax is made the reinforcing framework, which is preferably of a metal or alloy such as a platinum iridium alloy, which neither oxidizes nor gives off gas during the firing operation, is coated with a non-shrinking porcelain and fired. The non-shrinking porcelain material contains one or more refractory components such as quartz, quartz and clay fused together, carborundum, corundum or steatite, in combination with one or more components of low-melting point, such as felspar. The clips a<1> may be coated with porcelain and fired and the intermediate elements may be moulded by hand before the firing operation takes place.
Patent GB-617626-A (GB)
Title: Apparatus for contacting liquid continuously and in countercurrent
IPC: C10G21/00
Filed: 1946-06-05
Abstract: <PICT:0617626/III/1> <PICT:0617626/III/2> An apparatus for contacting two immiscible or only partially miscible liquids continuously and in countercurrent, comprises a horizontal or sloping cylindrical tube 1 divided by partitions such as 5 and 6 into a series of alternate mixing spaces 2 and settling spaces 3, the mixing spaces being provided with stirrers 8 mounted on a common spindle 7, each of the two partitions dividing a mixing space from the two adjacent settling spaces being provided with an annular slot such as 9, Fig. 3, the slots extending along arcs of equal radius concentric with the centre line of the spindle or being adjustable to vary their respective levels so as to vary the net flow of one liquid from one settling space via the mixing space to the other settling space and the corresponding net flow of the other liquid in the opposite direction. Preferably each partition is rotatable in its own plane to vary the level of its slot, and the slots in the two partitions on each side of the same mixing space are fixed with respect to each other in diametrically opposed positions, the slots extending over arcs of 120 degrees or less.  The partitions may be fixed to the tube so that they can be turned together with the latter, the tube bearing a pointer which moves along a scale to indicate their position.  The settling in the spaces 3 is assisted by partitions 4 provided with slots and perforations in their top and bottom sections. Specification 486,347 is referred to.
Patent GB-839543-A (GB)
Title: Improvements in and relating to mountings for tractor driven rotary appliances
Inventor: TARVER RICHARD IVOR
IPC: A01G3/04
Filed: 1955-06-15
Abstract: 839,543. Tractor power-lift linkage mechanisms. MASSEY - FERGUSON (GREAT BRITAIN) Ltd. June 4, 1956 [June 15, 1955], No. 17231/55. Class 79(1) A mounting for a tractor of the type having a hitch linkage including a pair of sidewise spaced links, a power lift apparatus for raising and lowering the links and an engine driven pulley, comprises a support for a rotary pulley driven appliance adapted to be driven by the driving pulley of the tractor, a pair of devices extending sidewise from the support for attachment to the links and an arm rigid with the support and adapted for telescopic engagement with a further arm pivotally mounted on the rear of the tractor. The support, Figs. 2 and 3, includes a pair of L-shaped angle members 11 each having a lug 12 carried by a cross-member 13 having at its ends pins 14 for detachable engagement with the lower hitch links 5, Fig. 3. The arm 16 rigid with the member 13 telescopes into a tubular arm 17 carried by a V-shaped member 18 pivoted by a pin 18A to the tractor at a position below the usual single upper hitch link (not shown) of the hydraulic power lift. When the mounting is lifted by the operation of a cross shaft 8, crank arms 7, drop links 6 and the links 5, the arms 16, 17 abut one another to prevent further upward movement of the linkage at a position which is below the usual transport cut-off position of the linkage, thus allowing the hydraulic system to be used for another purpose if desired. The arms 16, 17 are secured together by a pin 19 carried by a chain 20 from the member 18. In the position shown in Fig. 3, the driven pulley 29 of an air compressor 28, adjustably mounted for height on the support members 11, is at a predetermined distance from the engine driven driving pulley 10 so that the driving belt 30 is correctly tensioned. When the pin 19 is removed and the mounting is lowered by the power lift, the mounting is supported on the ground by legs 22 and a bar 27 carried by the mounting and the tension of the belt 30 is released. The mounting also carries a tube 23 formed with side brackets 24 to support an air hose for the compressor. Reference has been directed by the Comptroller to Specification 695,565.
Patent GB-295986-A (GB)
Title: Improvements in or relating to the manufacture of rails and other rolled articles
IPC: C21D9/04
Filed: 1928-06-14
Abstract: 295,986. Vereinigte Stahlwerke Akt.- Ges. Aug. 22, 1927. [Convention date]. Hardening.-In the hardening of the heads of rails and other rolled articles, the rail &c. passes from the rolling mills in a flat position past nozzles arranged behind and in front of it, and then on rollers past spray-pipes 4-8 arranged so as to direct a horizontal spray of water on to the head of the rail. The pipes 4-8 are pivotally mounted at 0 on pipes b provided with valves and supplied with water from a main provided with cocks G, G<1> operated hydraulically from a pressure cylinder F. The web and bottom of the rail may be cooled by pipes K, P, Fig. 3, and steam or air mav be supplied by pipes K-E‹ to blow off the scale and any water that may have reached the web of the rail from the pipes 4-8. The pipes K-K<5> are supplied from a pipe J controlled by a cock H which is also operated from the cylinder F. The mains supplying the pipes 4-8 and the pipes K-K<5> are revolubly mounted in trunnions M, M<1> and N respectively.
Patent GB-1221855-A (GB)
Title: Penicillin and cephalosporin derivatives
IPC: C07D499/62
Filed: 1968-04-10
Abstract: 1,221,855. Penicillins; cephalosporins. E. R. SQUIBB & SONS Inc. 10 April, 1968 [27 April, 1967], No. 17284/68. Heading C2A. [Also in Division A5] The invention comprises alkyl and aryl sulphinyl penicillins and cephalosporins of Formula I wherein R<SP>1</SP> is either or wherein A is the acyloxy of a hydrocarbon carboxylic acid of less than 12 carbon atoms, a quaternary ammonium radical, amino C 1  to C 7  alkyl amino, di (C 1-7  alkyl) amino, monocyclic aryl C 1 -C 7  alkylamino, heterocyclic tertiary amino or when taken together with M, is a monovalent -C-O- bond; and M is H, a pharmaceutically acceptable non-toxic cation, an anionic charge when A is a quaternary ammonium radical, or when taken together with A is a monovalent -C-O- bond; and wherein R<SP>2</SP> is wherein R<SP>3</SP> is C 1  to C 7  alkyl, monocyclic aryl or monocyclic aryl C 1  to C 7  alkyl; R<SP>4</SP> and R<SP>5</SP> are each H, C 1 -C 7  alkyl, monocyclic aryl or monocyclic aryl C 1 -C 7  alkyl; and n is 1, 2 or 3 and the grouping may be the same or different. Typical compounds are 7 - [3 - (methylsulphinyl) propionamido] cephalosporanic acid, 7 - [3 - (benzylsulphinyl) propionamido] penicillanic acid and 7 - [3 - (methylsulphinyl) propionamido] - 3 - (1 - pyridinium methyl) - ceph - 3 - em - 4 - carboxylate. The compounds are prepared by the acylation of 7 - aminocephalosporanic acid or 6 - amino penicillanic acid with an alkyl or aryl sulphinylcarboxylic acid derivative of formula wherein R<SP>3</SP>, R<SP>4</SP> and R<SP>5</SP> and n are as set forth above and B is OH, halogen, azide, p-nitrophenoxy or mixed anhydride. The preparation of salts and conversions at the 3-position of the cephalosporin may be carried out in a conventional manner. The antibiotics are antibacterials for medical and general disinfectant use and may be used as animal feed supplements. Pharmaceutical compositions for oral and parenteral use, e.g. tablets, capsules and injections, comprise as active ingredient a penicillin or cephalosporin of Formula I above. The compounds may be added to animal feeds.
Patent GB-733582-A (GB)
Title: Improvements in or relating to carrier devices for bricks, blocks or the like
IPC: E04G21/16
Filed: 1953-06-22
Abstract: 733,582. Holding and picking-up tools. WILLMENT, C. J. R., and WILLMENT, R. E. March 5, 1954 [June 22, 1953], No. 17290/53. Class 61. A device for picking up and carrying hollow building blocks and other objects comprises a rigid frame which carries at each end a pair of pivoted gripping arms 24 connected through pivoted links 21, 22 associated with each pair of arms to a handle member 16. The frame comprises a cross-bar 10 having fixed to each end thereof a transverse arm 11 which carries an upstanding arm 12, each arm being slotted at 14 to receive a rod 15 which passes axially through the handle 16. Springs 18 normally urge the rod 15 into its uppermost position in the slots. Each pair of links 21 is pivoted to the rod 15. The levers 22 are each pivoted at 23 to the appropriate end of the appropriate arm 11, the free end of each being pivoted to a gripping arm 24 which has limited pivotal movement. To open the jaws the handle 16 is depressed against the action of the springs 18 to allow introduction of the tongues 27 under the partition walls of the block. On grasping the handle the block is readily transported.
Patent GB-1402783-A (GB)
Title: Fire detector
IPC: G08B17/04
Filed: 1973-04-11
Abstract: 1402783 Thermal switches FIRE DEVICES MFG Ltd 11 April 1973 17324/73 Heading H1N [Also in Division G4] A fire detector device for use in a fire alarm comprises a shell 1 and a head 3 forming an air chamber therebetween, a diaphragm 9 of a polymeric material overlying a ridge 7 near its periphery and being secured thereto by a gasket 10, air passages 15 between the air chamber and the ambient atmosphere to allow airflow from the chamber up to a predetermined rate and electrical contacts 8 arranged beneath the diaphragm so that upon an increase of pressure within the chamber, the diaphragm is forced into the contacts 8 for closing them i.e. for activating an alarm. The shell 1 may include a heat collecting plate 2 and a detent member (not shown) situated within the shell and set to be released at a predetermined temperature to contact the diaphragm for closing switch contacts 8. Each air passages 15 couples the air chamber to a separate well (31, Fig. 2, not shown) in the head 3 which is splined to accommodate a bushing screw (40) adapted to permit air to escape at a predetermined rate. Thus when the air pressure builds up due to an increase in the rate of increase of temperature above the predetermined rate, the diaphragm 9 is once again forced to close switch contacts 8 in an alarm circuit.
Patent GB-1047655-A (GB)
Title: Improvements in travelling wave tubes
IPC: H01J23/28
Filed: 1964-04-27
Abstract: 1,047,655. Transit-time tubes. RAYTHEON CO. April 27, 1964 [April 26, 1963], No. 17400/64. Heading H1D. Apertures, for the passage of an electron beam, in the fingers of an interdigitated delay line structure-applicable to an electrostatically periodically focused travelling wave tube-are alternately of larger and smaller size, the alternate fingers with the smaller apertures being maintained at a higher potential than those with the larger apertures, whereby collisions of the beam electrons with the delay line structure, with consequent emission of secondary electrons, occur primarily at the higher potential fingers, to which the secondary electrons are attracted back rather than interacting with the primary beam. The delay line of a backward wave oscillator is formed of a stack of members 42, supported from and in electrical contact with the conductive envelope 10, and members 40, supported from members 42 by insulators 43 and 44, and spaced from envelope 10, the stack also including spacers 54 and 66, and being secured together by bolts 51. Members 40 and 42 each include fingers 50 and 60 having larger and smaller apertures 41 and 61, respectively, fingers 26 and 24 being connected to the inner and outer conductors of a coaxial output connection (Fig. 1, not shown). The voltage supplies for parts 40 and 42 of the delay line are variable to permit focusing and tuning of the tube; instead of a stacked structure, all members 40, and members 42, may be formed as one-piece castings; and the tube is provided with cooling fins (Fig. 1, not shown).
Patent GB-174438-A (GB)
Abstract: 174,438. Tugwood, R. J., (Bartholomew, B.). Oct. 25, 1920. Tubular calculators for computing interest, discount, the price of a number of goods at a given price per article, workmen's wages, equivalent values in various currencies, &c. comprise a number of rollers carrying a series of tables arranged on the circumference thereof or on bands adapted to be wound on or off said rollers. The tables comprise two sets of computed quantities so arranged that one set of values increases in one direction in successive columns and the other set increases in the reverse direction in accordance with given scale values. As shown in Fig. 1 the apparatus comprises a casing a having a glass top b and an easel-frame or legs e adapted to support the casing in an inclined position by engagement with notches d in a base c to which the casing is hinged. Five rollers 1 - - 5 with operating handles h are mounted in the casing and one row of each set of valves can be viewed through corresponding slot-like apertures or spaces g on the glass top b, the remainder of which is frosted; scales k and l are arranged along the upper and lower edges of the spaces g. The tabulations on the third roller are shown in Fig. 5, the second set of values being arranged in the same column and below the first set and in a different colour. The second set and its scale form a continuation of the first set and scale the last column of the first set agreeing with that of the first column of the second set, so that the total of the values in any one column is the same throughout the length of the roller, which amount or value appears at the right-hand end as a " total " column. Towards the left-hand end of each roller and scale is arranged a " rate " column, and on the extreme left-hand end are auxiliary tables and scales for fractions of the rate. The " 44 " and " 48 " columns are distinguished by wide or double dividing lines, these being intended for calculating wages according to the standard number of working hours per week.
Patent GB-703689-A (GB)
Title: Improved apparatus for moulding plastic materials
IPC: B29C43/14
Filed: 1950-07-13
Abstract: 703,689. Delivering measured Quantities of powder. A. C. I. PLASTICS PROPRIETARY, Ltd. July 13, 1950 [July 25, 1949]. No. 17553/50. Class 106(5) [Also in Groups V and XXIX] A measured quantity of moulding powder is fed from a hopper 65 to a moulding machine (see Group V) by means of an arcuate feed plate 42. The volume of the feed chamber 71 is varied by raising and lowering the plate 42 by rotating of a knob 70 fixed to a worm 69. Rotation of the worm causes a carrier 68 to rotate which carrier has a screw thread engaging a corresponding screw thread on the plate 42. The hopper has a sealing sleeve 66 which is kept in engagement with the feed plate 42 by a spring 67. A sleeve 63 prevents material from escaping between the chamber and the feed table 31. Specifications 694,649, 696,487 and 696,488, [both in Group V], are referred to.
Patent GB-706351-A (GB)
Title: Improvements in or relating to braking systems for aircraft
Inventor: DEWAR DOUGLAS
IPC: B60T8/74
Filed: 1951-07-25
Abstract: 706,351. Aircraft brakes. DUNLOP RUBBER CO., Ltd. June 26, 1952 [July 25, 1951; April 1, 1952], Nos. 17582/51 and 8230/52. Class 103(1) [Also in Group XXXIII] In a fluid pressure brake control system for aircraft of the type described in Specifications 676,708 and 683,490 wherein the braking pressure on the wheels is regulated to prevent skidding by reference to the speed of an inertia flywheel, rotated by the aircraft wheels, and in which means are provided to prevent the brakes being applied until the wheels have been rotated by the first contact with the ground, the brakes are automatically applied when the undercarriage is raised and the fluid pressure control line closed, and the brakes are automatically released when the undercarriage is lowered. In the system shown in Fig. 4, pressure is supplied from a pump through a non-return valve 38 to an accumulator 39 and a reducing valve 40. From the reducing valve 40 one line leads to a differential control valve 41, operated by the pilot, and thence to a conduit 25 associated with the inlet valve of control valve mechanism as described in Specification 683,490. In addition a line is led to a sequence valve 42, connected also to a line leading to the exhaust valve 23 of the automatic control valve unit and having an exhaust outlet from a chamber 48. A plunger 44 at the base of the sequence valve is adapted to be moved by pressure applied to a double acting jack 57 which raises or lowers the undercarriage. As shown in Fig. 4, the latch member 7 is in the " uncocked " condition corresponding to the state in which the landing wheels have been rotated after touching down. The retraction side of the undercarriage jack 57 is connected to exhaust or liquid reservoir by cock 58 so that the piston 44 of sequence valve 42 is at its bottom position. In this condition an inlet valve 55 is shut and an exhaust valve 52 open so that the exhaust valve 23 of the skid control valve unit is also free to exhaust to atmosphere as necessary under the action of the automatic inertia control unit. On taking off the pilot operates the four-way cock 58 to retract the under carriage. Pressurizing the retraction side of jack 57 also pressurizes the piston 44 of valve 42 so that the exhaust valve 82 is closed and valve 55 opened. Under these conditions pressure from the reducing valve 40 passes through chambers 54 and 49 to operate the piston 11 for recocking the latch element 7 so that once again the brakes cannot be applied until the wheels have been run up to speed. Pressure is also passed through exhaust valve 23 and chamber 18 to apply the brakes to the wheels, now in the retracted state, to prevent them spinning for the duration of the flight. The arrangement including a reducing valve 40 and sequence or relay valve 42 is necessary since the pressure for operating the retraction gear are generally too high to be suitable for use directly on the wheel brakes. In another arrangement, the piston 44 of the valve unit 42, is operated by a direct mechanical linkage.
Patent GB-603243-A (GB)
Title: Improvements in the construction of suit and like cases
IPC: A45C13/36
Filed: 1945-07-10
Abstract: 603,243. Boxes, cases, &c. COLE. A. B., and COLE. S. H. (trading as COLE BROS.). July 10, 1945, No. 17593. [Class 18] Suit cases, packing boxes, trunks &c. have an end panel joint comprising a reinforcing strip 1 bent to form at least three edges, the strip being of L-section having a channel 2 at the meeting of the flanges of the L. Three adjacent panels e.g., two sides and a bottom are disposed with their. edge portions in the channel 2, and a fourth panel, e.g. an end, is received in the recess formed between the outer surface of the channel and the corresponding flange. The strips 1 may be of metal or of plastic material, and the sides, ends, &c. may be of plywood or cardboard, or of plywood covered with thin hide. The three panels such as the sides and bottom may be formed as a single sheet bent to shape. Strengthening strips 12, 13, 14 may be provided extending lengthways and across the case. In a modification a reinforcing strip may be bent to form four edges, and embrace the two sides and the two ends of the case, and the top may be disposed in the recess between the outer surface of the inverted channel and the corresponding horizontal flanges. In this form, the bottom may rest on the top of the horizontal flanges of a second reinforcing strip.