baber/WOPTO huggingface dataset:
Patent GB-1271998-A (GB)
Title: Web-like traction member for a tyre chain assembly
IPC: B60C27/06
Filed: 1969-05-16
Abstract: 1,271,998. Tyre traction devices. EISEN-UND DRAHTWERK ERLAU A.G. 16 May, 1969 [18 May, 1968], No. 24999/69. Heading B7C. A web-like tyre traction device adapted for use with tyre chains comprises a body 1 which has two apertures 23 to receive the chain, an edge face 19 adapted to engage the tyre and carries two outer ground engaging members 3 and one or more intermediate ground engaging members 4, the longitudinal sides 12 of the member 4 protruding beyond the planes containing the longitudinal sides 8 of the body 1. The sides 12 diverge towards the ground engaging base 13 of the member 4, the base 13 being formed of two plane faces 14 having an obtuse angle therebetween.
Patent GB-532968-A (GB)
Title: Improvements in and relating to tubular surface coolers
IPC: F28F1/36
Filed: 1939-09-01
Abstract: 532,968. Tubular heat exchangers. BRITISH THOMSON-HOUSTON CO., Ltd. Sept. 1, 1939, No. 25073. Convention date, Sept. 1, 1938. [Class 64 (iii)] A resilient packing element is arranged between adjacent fins on heat transfer surfaces in order to prevent vibration in the tube plate openings. The packing 20, Fig. 2, is coiled between spiral fins 17, and may be secured in position by bending the outer edge 21 of a fin. In a modification, the packing is a rubber spiral 22, Fig. 4, tapered to provide a greater width at the outer edge 24 than at the inner edge 25 ; or a split tubular bushing with a spiral groove on the inner side may be used.
Patent GB-684795-A (GB)
Title: Improvements in machines for peeling potatoes and other vegetables
IPC: A47J17/18
Filed: 1950-10-16
Abstract: 684,795. Potato peelers. MILLE, N. J. DE. Sept. 21, 1951 [Oct. 16, 1950], No. 25136/50. Class 28 (ii). In a potato peeler in which the rotary base 26, 32, of the abrasive surfaced cylindrical container 7 is driven by bevel gears and shafts by turning a handle 15a the gears and shafts and the rotary base are carried by an L-shaped frame 10, Fig. 4, which is integral with or secured to the container. Another casing 8 integral with and extending from the side of the cylinder 7 forms a housing for the side gearing comprising the vertical spindle 12 and bevel gears 13, 14 and 17, 17a. The casings and frame 10 may be die cast. The frame 10 has a downwardly extending boss 22 carrying a stub shaft 24 to which is clamped the integral' bevel gear 25 of the rotary base 26 driven from a bevel gear on the shaft 18. A dished strainer 27 may be removed for emptying by pulling down the knob 27c whereby the spring clips 27a are freed from depending projections on the frame 10.
Patent GB-584181-A (GB)
Title: Improvements in or relating to thermionic power amplifiers
IPC: H03F1/04
Filed: 1944-12-15
Abstract: 584,181. Valve amplifying circuits. HADFIELD, B. M. Dec. 15, 1944, No. 25155. Drawings to Specification. [Class 40 (v)] In a circuit in which a valve, with an additional grid between the control grid and anode, feeds a load, the ratio of the D.C. potential of the additional electrode to the anode potential is greater than unity and determined by the load. It is shown mathematically, that for a typical valve, the greatest output is obtained when the screen grid potential is approximately three times the anode potential, and for variations from two to four times, the output is at least twice that when the screen grid and anode potentials are equal, the anode load varying about ten times, while the geometric mean is about one tenth the normal load.
Patent GB-1158461-A (GB)
Title: Electrical Removal of Conductive Material
IPC: B23H7/26
Filed: 1966-06-07
Abstract: 1,158,461. Electrolytic machining. JAPAX Inc. June 7, 1966 [June 7, 1965; June 8, 1965; June 9, 1965; June 12, 1965], No.25258/66. Heading C7B. In the electrolytic machining of a conductive workpiece using a cathode tool having a conductive surface with electrolyte supplied between the workpiece and tool, the tool surface is substantially homogeneously formed of carbon and is of substantially uniform conductivity, the tool and workpiece conductive surfaces are relatively rotated whilst being urged together without intervening insulating particles or mechanical spacer so that electrolyte is trapped between at least portions of the surfaces of the tool and workpiece, and a pulsating current is passed between the tool and workpiece surfaces, the specific resistivities of the tool and of the electrolyte being such that during machining a substantial portion of the current passes through the trapped electrolyte. Typically the tool surface is of graphite or amorphous carbon, the tool and workpiece surfaces are urged together under a pressure of between 0À1 and 5 kg/sq.cm. applied by springs or a pneumatically operated cylinder, the tool surface has a resistivity of 0À001 to 10 ohm-cm and the electrolyte has a resistivity at rest of 2 to 10 ohm-cm. The body of the tool may include carboncontaining materials such as SiC or 34C. Examples of electrolytes are acetates, nitrates, nitrites, carbonates, silicates, fluosilicales, phosphates, chlorides and hydroxides of sodium or potassium, or oxidizing inorganic acids to which may be added rust preventatives. Electrolyte temperatures may be between their freezing and boiling points. The pulsating current may be A.C. of sinusoidal or squarewave form of frequency 50 cycles to 10 kc/s used rectified or unrectified alone or superimposed on a steady D.C. Preferably the current has a resultant D.C. component flowing from workpiece to tool. The rate of erosion being controlled by regulating its value. The machining process may comprise grinding with a face or peripherally operating wheel which may be of contoured profile, milling, a shaping process using a lathe-like apparatus, or a shaping process using a tool controlled by a device which follows the outline of a model. Examples are given of machining workpieces of steel, titanium carbide, tungsten and tungsten carbide.
Patent GB-263959-A (GB)
Title: Improvements in and relating to apparatus for delivering measured quantities of liquid
IPC: B67D7/70
Filed: 1925-10-10
Abstract: 263,959. Guinea, G. R. Oct. 10, 1925. Liquid-meters.-An apparatus for delivering measured volumes of liquids comprises a measuring-receptacle with a reciprocating member within it; this member measures the liquid and stores energy in springs. At the end of each reciprocation this energy is released by devices affected by the rise of pressure in the liquid being measured, and is utilized to actuate the control valve. The Figure shows an apparatus comprising a measuring-chamber 3 and a main piston 4 on a rod 5 which extends into tubes 6, and has pistons 7, in the form of cups, abutting on springs 7<a>. These, at their other ends, abut against pistons or cups on rods 8 attached to rocking levers 9, which control piston valves 13, 14. Liquid is supplied by an inlet 17, and passes, the valves 13, 14 being situated as shown, through a port 15 and tube 15<a> to the lower end of the cylinder 3. The piston 4 rises, compressing the spring 7<a>, the abutment rod 8 being retained by a catch 19. When the piston 4 is arrested by the adjustable stop 20, the pressure in the valve chamber rises, and is communicated through pipes 22 to the rear side of a diaphragm 21, which causes the spring-plunger 24 to move the catch 19 and release the rod 8, so that the spring 7<a> moves the valves 13, 14 down, closes the port 15, and opens the port 16 leading to the tube 16<a> and the upper end of the cylinder 3. Premature tripping of the catch 19 is prevented by a perforated member 28, which is lifted by the rod 27 and a collar 30 engaged by a striker 29. The liquid is delivered through pipes 18, 18<a>, 18<b>. A counter 32 is actuated by the valve rod 12. According to the Provisional Specification, the springs may be replaced by compressedair or compressed-gas devices, optionally in combination with another liquid.
Patent GB-651066-A (GB)
Title: Method for producing a glass envelope for enclosing the electrode system of an incandescent lamp, electronic tube or the like
IPC: H01J5/24
Filed: 1948-09-29
Abstract: 651,066. Glass. WATT GLUHLAMPENUND ELEKTRIZITATS-AKT.-GES. Sept. 29, 1948. No. 25435. Convention date, July 6, 1940. [Class 56] [Also in Groups XI and XL(a)] In the production of the glass envelope enclosing the electrode system of an incandescent lamp, electronic tube or the like by fusing together a base portion 1 and a bulb portion 6 which together form the closed vessel, the edges of the two portions present an outwardly projecting ridge and they are pressed against one another by reducing the internal pressure in the vessel so formed. The edges are then fused together by burner flames directed on the glass parts above and below the ridge. After superficial fusion the interior of the vessel may be filled by an inert gas. Specification 543,403, [Group XL], is referred to. The Specification as open to inspection under Sect. 91 comprises also the subjectmatter of Specification 656,805. This subject-matter does not appear in the Specification as accepted.
Patent GB-318005-A (GB)
Title: Improvements relating to hand levers for railway signalling and the like
IPC: B61L19/16
Filed: 1928-09-05
Abstract: 318,005. Tyer & Co., Ltd., and Baker, E. W. Sept. 5, 1928. Hand-levers.-A hand-lever A actuating two sliding bars D, E is mounted and provided with bosses B so that for all positions there is no opening between it and the case C. The bar D which effects the interlocking between levers, etc., may be connected to the lever A at a point nearer the fulcrum a than the bar E which effects the electric control of signals or points. Ball plungers j engage in recesses e so that the bar E may rest in predetermined positions. Attached to the bar E by flat springs are contacts engaging with cooperating contacts H' by the side of the bar. Specification 317,965 is referred to.
Patent GB-587648-A (GB)
Title: Improvements in frequency-controlled electric oscillators
IPC: H03J7/04
Filed: 1944-12-20
Abstract: 587,648. Automatic tuning control. GENERAL ELECTRIC CO., Ltd., ANGELL, B. L. C., and FOOT, J. B. LOVELL-. Dec. 20, 1944, No. 25541. Addition to 566,829, [Group XXXV]. [Class 40 (v)] [Also in Group XXXV] The parent invention is modified by niodulating the oscillator to be stabilized rather than the standard oscillator so as to give rise to a discriminator output sufficient to start the A.F.C. action. Amplitude or frequency modulation may be used, but the depth of modulation must be small and the side-band frequencies arising therefrom sufficiently close to the oscillator frequency f, to preclude any material affect on the intelligence being transmitted or received as the case may be. Specifications 518,480 and 572,918 are referred to.
Patent GB-305248-A (GB)
Title: Improvements in and relating to fittings for clothes props for the supporting of clothes lines and the like
IPC: D06F53/04
Filed: 1927-09-28
Abstract: 305,248. Young, J. H. Sept. 28, 1927. Props and posts.-A line support for a clothes prop consists of a strip of metal bent as shown at A and B, the ends being pierced to accommodate screws C. Reference has been directed by the Comptroller to Specification, 225,082, [Class 34 (i), Drying gases &c.].
Patent GB-225018-A (GB)
Title: An improved method of reinforcing or strengthening and waterproofing leather
IPC: B32B9/02
Filed: 1923-10-15
Abstract: 225,018. Leather Products (Yorkshire), Ltd., and Hutchinsong W. J. Oct. 15, 1923. Drawings to Specification. Compound sheets materials.-Sheets of leather are cemented together with the grains crossing.
Patent GB-587217-A (GB)
Title: Improvements in or relating to hydraulic power transmission systems
IPC: F15B11/08
Filed: 1944-12-21
Abstract: 587,217. Fluid-pressure servomotorcontrol systems. KEELAVITE CO., Ltd., LEVETUS, F. B., and CHITTENDEN, G. E. Dec. 21, 1944, No. 25638. [Class 135] In a control valve for a hydraulic ram, pressure liquid from a pump enters the lefthand end of a passage B<1>,Fig. 3, extending through the valve casing J and flows into a chamber C<1> surrounding a pressure relief valve C<3>, past a spring-loaded, non-return valve E, into a similar chamber D<1> surrounding a second pressure relief valve D<3> and out through the right-hand end of passage B<1> to the underside of the ram which is thus raised to the desired position. When the pressure exceeds a predetermined value, a spring-loaded ball pilot valve J<5>, Fig. 4, opens and permits the flow of liquid from a passage J<1>, which communicates with the inlet end of the passage B<1>, to a passage J<2> leading to chambers C<8>, D<8> to raise pistons C<5>, D<5> which open the relief valves C<3>, D<3> to permit relief through ports C<2>, D<2>. The valves C<3>, D<3> are also actuated independently by manually-operated cocks. When the valve C3 only is opened, the non-return valve E will close and the ram will remain in its raised position. To lower the ram, the valve D3 is then opened and the weight of the ram forces the liquid out through the port C<2>. The ram may be raised only when both the relief valves C<3>, D<3> are closed.
Patent GB-778114-A (GB)
Title: Improvements in and relating to discharge devices for electronic counting and like purposes
Inventor: WILLIAMS DAVID JOHN
IPC: H01J17/48
Filed: 1955-09-07
Abstract: 778,114. Multi-gap cold cathode tubes. ERICSSON TELEPHONES, Ltd. Sept. 7, 1955, No. 25664/55. Class 39(1). In a counting tube of the type described in Specification 712,171 the elongated electrodes comprise a plurality of spiders arranged coaxially and spaced apart in a central region by insulating material, each spider having a plurality of arms bent so that at least parts of the arms are disposed parallel to one another in a ring and the spiders are staggered circumferentially relatively to one another so that each arm of one spider lies between two arms of the other or others of the spiders. In the arrangement shown three spiders 18, 18<1>, and 18<11> of pure nickel each having ten arms are mounted between nested blocks of ceramic 13, 14, 15 and 16 held firmly together on a nickel rod 27 between a flanged sleeve 29 welded to the rod and a common electrode 28 spaced from the block 16 by a ceramic tube 30 and also welded to the rod. A mica disc 20 is mounted between the block 16 and a hollow ceramic block 12 and has ears 21 adapted to engage the inside of the tube envelope. The arms 17, 17<1>, 17<11> of the spiders are bent to pass upwards through thirty apertures in the mica disc 20 and in the ceramic block 16. The hub portions of the spiders as shown are flat and the arms are bent through a right angle, but the hub portions may be of frusto-conical shape, in which case the arms are bent through less than a right angle. The apertures in the block 16 open into an annular groove 31 which together with a recess 32 surrounding the rod 27 serves to increase the lengths of the surface leakage paths between the rod 27 and the electrodes 17, 171, 17<11>. The spider 18<11> is connected by a nickel wire 23 to a lead-in wire 24 sealed through the foot 11 and connected to a terminal pin 25. The rod 27 and spiders 18 and 18<1> are similarly connected by other wires (one of which is shown broken off at 26) to other terminal pins 25. The arms of the three spiders are cut to different lengths so that the ends of the arms lie in the same plane. In an alternative arrangement the three spiders have arms of the same length so that the ends form a saw-tooth pattern. The common electrode 28 is then arranged substantially in or below the plane in which the ends of the shortest arms lie.
Patent GB-1280966-A (GB)
Title: A steering mechanism in a road vehicle
IPC: B62D9/00
Filed: 1971-04-19
Abstract: 1280966 Vehicle braking and steering SOC ANON DBA 19 April 1971 [17 April 1970] 25703/71 Heading B7H In a road vehicle, severe braking actuates a double-piston ram 42 to oppose the application of large angles of steer of the steered wheels 19. As shown, the braking system comprises an anti-skid device 26 for the front wheel cylinders 14, 15 which modulates fluid pressure in the cylinders in response to the angular velocities of wheels 18, 19 as measured by sensors 28, 29. A pressure limiting valve 30 is provided for the rear brakes. The steering system is rock-andpinion with two abutments 62,63 rigidly attached to the rack 36. The ram 42 comprises a central bore 56 open to atmosphere and two end bores 44 which are normally also open to atmosphere. When brake pressure is very high, however, the anti-skid device 26 operates valve 46 to connect bores 44 to the engine inlet manifold via pipe 48 thus forcing pistons 60, 61 outwards towards abutments 62, 63 and limiting the angle of steer which can be applied easily. If it is necessary to steer sharply, greater effort is required at the steering wheel to overcome the effect of manifold depression. An hydraulic system may replace 42, 44 and 48 in which case a collapsible link is provided between abutments 60, 61 and rack 36.
Patent GB-488972-A (GB)
Title: Process for cleaning of pasteurizing apparatuses consisting wholly or partly of rustless steel
IPC: A23C7/02
Filed: 1937-09-23
Abstract: Pasteurizing-apparatus consisting wholly or partly of rustless steel is cleaned by being rinsed first with an acid or acid solution, and then with a base or basic solution.  The acid used may be a weak solution of nitric acid, and the base a weak solution of caustic soda.
Patent GB-729734-A (GB)
Title: Glare screens
Inventor: RYAN JOSEPH DENNIS
IPC: B60J3/00
Filed: 1950-10-25
Abstract: 729,734. Anti-glare screens. LIBBEYOWENS-FORD GLASS CO. Oct. 25, 1950. No. 25945/50. Drawings to Specification. Class 97 (1). [Also in Groups XXIII and XXXII] An anti-glare screen comprises a sheet of thermoplastic material having a dyed area of gradually decreasing hue from an edge of the sheet towards the middle thereof, and a sheet of glass which absorbs at least 34 per cent of the ultra-violet light passing therethrough bonded to the plastic sheet. The plastic sheet may be dyed by the method and apparatus described in Specification 729,755, [Group IV (c)], and is then bonded to one glass sheet or sandwiched between two glass sheets. The glass preferably transmits at least 70 per cent visible light and may be heat absorbing. Several examples of suitable glass are given in the Specification (see Group XXIII).
Patent GB-412533-A (GB)
Title: Method of producing sound records
Filed: 1932-09-19
Abstract: 412,533. Recording sound; record blanks. RADIOAKT.-GES. D. S. LOEWE, 10, Wiesenweg, and STERN, G., 51, Albrechtstrasse, both in Steglitz, Berlin. Sept. 19,1932, No. 25972. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 23, 1932]. [Class 40 (ii).] A sound record blank is provided with a groove adapted to be filled with a material in which the sounds are recorded. The filling material is adapted to be hardened or is capable of becoming hard after recording. Suitable filling materials are caoutchouc, cellulose cement, putty, water-glass mixtures, &c. The material may be removed from the groove by mechanical means or by a heat or chemical process. The groove may be spirally formed on a metal disc. The filling material does not extend up to the ridge of the groove, and such ridge may serve to guide the recording tool, a member 5, Fig. 5, on the recorder being adapted to engage the ridge. A partition b, c, is provided at each end of the groove in order to confine the filling material, and adjacent such partitions the ridge of the grooves is raised, as at e, d, Figs. 6 to 8, in order to raise the recorder above the partitions. At the inner end of the groove, the recorder is adapted to be lowered from the raised ridge e into a circular groove f which is also provided with a deeper groove g for the recording stylus.
Patent GB-972127-A (GB)
Title: Manifolding writing set
IPC: B41L1/22
Filed: 1960-10-11
Abstract: 972,127. Manifolding stationery. J. BURGMER. Oct. 11, 1960 [Oct. 27, 1959], No. 26022/64. Divided out of 970,641. Heading B6A. A manifolding writing set comprises writing sheets a 1 -a 5 <SP> </SP>and interleaved carbon sheets b 1 -b 4  having a continuous coat of ink from top to bottom, the side margins of the writing sheets projecting beyond the side edges of the carbon sheets, each carbon sheet being glued at e 1 -e 8  to the writing sheet lying immediately above in the region of the head strip extending transversely of said side edges, and the margins of the writing sheets being glued together at d 1 -d 8  also in the region of the head strip. The writing sheets are provided with a line of perforations g below the head strip, the carbon sheets being unperforated. The intermediate writing sheets a 3 -a 5  and the carbon sheets b 1 -b 4  are provided with co-operating cut-out portions c in the region of the head strip, or the top and bottom writing sheets project beyond the head strip, whereby the top and bottom writing sheets are secured together directly by glue spots f 1 -f 3 . At least one of the outer writing sheets may comprise a continuous web to which the individual sets are secured one behind the other. Specification 926,931 also is referred to.
Patent GB-1212888-A (GB)
Title: Apparatus for cutting stacks of tobacco leaves
IPC: A24B1/10
Filed: 1968-05-30
Abstract: 1,212,888. Packaging. R. J. REYNOLDS TOBACCO CO. 30 May, 1968 [12 July, 1967], No. 26066/68. Heading B8C. [Also in Division A4] A bale of tobacco leaves is formed by placing a case 40 on a sheet of, for example, burlap or paper 49, said case being in the form of a bottomless rectangular parallelepiped with vertical posts at each of the four internal corners, filling the case with layers of tobacco leaves, removing the case, folding over the flaps of sheet material and bonding the ends together or fastening with bands. The leaves may be arranged so that approximately one fourth of all the leaves have their stem or tip abutting against each of the four sides of the case with alternate layers of leaves at right angles to each other.
Patent GB-270240-A (GB)
Title: Flying machine with flapping wings
IPC: B64C33/02
Filed: 1926-10-19
Abstract: 270,240. Cerny, K. April 30, 1926, [Convention date]. Ornithopters; planes, construction of; propel. ling; steering and balancing.-The flapping wings of flying machines are mounted by horizontal and vertical joints and are driven in such a way that the wings move forwards during the up stroke and backwards during the down stroke. The wings are also turned up and down by air pressure about the axes of the main spars of the wings. As shown in Fig. 3, the wings are connected to a central fixed plane T and are formed of overlapping spring leaves 57, 57a which open and shut fanwise during the forward and backward movements, and also open as valves during the up stroke. The main spar 56, Fig. 1, of each wing is jointed to the frame 6 by a vertical joint B and a horizontal joint A. The wing is driven by cables S\ S<11> operated by a rotating crank 12. The cables are doubled at the wing end, one part effecting the vertical movement and the other the horizontal movement. The double cables pass over pulleys 31 - - 34 resiliently mounted on fixed bracket arms 30. The pulleys are carried by slides 41, Figs. 4 and 5, which are pushed outwards by air cylinders 47. Air is forced into the cylinder 47 by a pump 51 operated by the wing, and the pressure is regulated by a spring flap valve 66 the pressure of which can be adjusted by a second spring 71 adapted to be drawn across it by a cord Sill operated by the pilot. By this means the outward pressure on the pulleys and consequently the amplitude of movement of the wings is regulated.
Patent GB-1221017-A (GB)
Title: Improvements in or relating to breech mechanisms in automatic and semi-automatic guns
Inventor: MAILLARD BERNARD
IPC: F41A17/66
Filed: 1968-03-15
Abstract: 1,221,017. Automatic guns. BREVETS AERO MECANIQUES S.A. 15 March, 1968 [5 April, 1967; 30 June, 1967], No. 26166/69. Divided out of 1,221,013. Heading F3C. The subject-matter is as in parent Specifics. tion but the claims relate to a breech mechanism which is characterized in that the breechblock locking lugs are m two rows, the rear faces of the lugs in each row lying in separate helical skew surfaces.