baber/WOPTO huggingface dataset:
Patent GB-1004018-A (GB)
Title: Variable spacing mechanism for typewriters
IPC: B41J19/58
Filed: 1964-04-10
Abstract: 1,004,018. Typewriters. ANTARES S.p.A. April 10, 1964 [April 10, 1963], No. 14846/64. Heading B6F. A variable spacing mechanism comprises a movable dog 18, Fig. 2, normally engaging an escapement wheel 16 toothed according to the unit interval of spacing and adapted to be disengaged therefrom for effecting a variable retrograde stroke and at least two stop members 41, 42 individually adapted to control the stroke of said dog, characterized in that the element 41 normally arrests the dog after a predetermined stroke but is settable to permit said dog to effect a longer stroke and the element 42 is settle for arresting said dog after a shorter stroke, selecting means being provided for selectively setting either one or the other of said elements or none. At the depression of a key 4, Fig. 1, of a type requiring two unit intervals of spacing the corresponding lever 5 rocks a universal bar 37, which through a link 36 and lever 33, Fig. 2, rocks a rocker 17 together with the movable dog 18. Thereupon a fixed dog 19 on the rocker 17 engages the wheel 16, while the dog 18 is disengaged therefrom, whereby the carriage 9 with its rack 12 under the action of a draw spring (not shown) is moved leftwards through a first extent until the wheel 16 abuts against the dog 19. Meanwhile the movable dog 18 is displaced by its spring 28 along a slot 23 until a pin 22 on the dog is arrested by the shoulder 44 of the lever thus effecting its retrograde stroke opposite to the advancing direction of the wheel 16. On release of the key lever 5 the bail 37 is restored by its spring 38 while a spring 26 restores the rocker 17, whereby the movable dog 18 re-engages the wheel 16. The draw spring moves the carriage 9 leftwards through a second extent and the wheel 16 is rocked clockwise returning the dog 18 to the position shown in Fig. 2. The sum of the two extents corresponds to two unit intervals of spacing. On the depression of a key 4 of a type requiring three unit intervals of spacing, the corresponding lever 5 before engaging the bail 37 rocks a bail 59, which via a link 58 and lever 57 rocks the lever 41 thus removing the shoulder 44 from the path of the pin 22 of the dog 18, whereby the dog will be able to execute a longer stroke than in the preceding case when the bail 37 will be actuated. On depression of a key 4 of a type requiring one unit interval of spacing, the corresponding lever 5 rocks a bail 67 which via a link 66 and lever 65 rocks the lever 42 which obturates with its shoulder 46 the path of the pin 22 and arrests the dog 18 after a shorter stroke. If a type bar 8 is provided with types each requiring a different interval of spacing then each corresponding lever 5 is provided with the appropriate pawl 62 and 69 for actuation of the bails 59 and 67 and the unwanted pawls are disabled selectively by a rockable shaft 71 the effective pawls entering a corresponding notch 72 therein.
Patent GB-637359-A (GB)
Title: Improvements in or relating to chairs
IPC: A47C1/032
Filed: 1948-06-02
Abstract: 637,359. Seats. JEFFREYS, Ltd., P., and CRAMPTON, P. T. June 2, 1948, No. 14930. [Class 52 (ii)] A chair comprises a seat-carrying unit and a head and shoulder rest separately pivoted to the supporting frame and so interconnected that angular movement of the seat unit from normal seating position to an inclined downward and backward position is accompanied by an angular movement of the head &c. rest backwardly from a vertical position and by a downward movement of the rear edge of the seat unit away from the head &c. rest. As shown the seat unit 18 is pivoted to the frame at 17 and comprises side panels 19, front panel 22 seat panel 20 and back panel 21. The head and shoulder rest comprises front, side, and top panels 25, 26, 27 and is carried by a pair of struts 29 pivoted at 30 to the frame. The back portion of the seat unit projects upwardly into the head &c. rest and is connected thereto by extensible and resilient cords 35, the seat panel 21 having buffers 36 adapted to abut the plates 33 secured to the tops of the struts 29 and also oneway spring-pressed locking apertured plates. Downward movement of the seat under the weight of the occupant is prevented by these locking plates until they are released by the occupant through a lever 44 and cord connections 42, the downward movement of the seat continuing until the lever 44 is released to allow the locking plates to operate the head &c. rest meanwhile moving angularly backwards about the pivots 30 so that the chair assumes a reclined position and the distance between the rear edge of the seat and the top of the head &c. rest is increased.
Patent GB-847026-A (GB)
Title: Improvements in, or relating to, wire fences
Inventor: HOLLAND CLEMENT ARTHUR
IPC: E06B11/02
Filed: 1958-05-09
Abstract: 847,026. Lever-operated wire strainers. WRIGHT SADDLE CO. Ltd. May 11, 1959 [May 9, 1958], No. 14982/58. Class 45. A lever-operated wire strainer comprises a bracket 4 adapted to be fastened to a post by a screw 7 at the top of the bracket, and another at the bottom of the bracket, and a lever 11 pivoted to the bracket by the screw 7. At one end of the lever is a slot 18 opening on to two notches 20 and 21 either of which will hold a link of a length of chain 22 secured to the wire to be tensioned. The opposite end of the lever is retained by a lug 16 or 17 formed on the bracket.
Patent GB-1446496-A (GB)
Title: Liquid mix feed device for ice cream making machines
IPC: A23G9/16
Filed: 1974-02-04
Abstract: 1446496 Ice cream machines APAW SA 4 April 1974 [4 April 1973 29 Oct 1973] 15000/74 Heading F4H An ice cream making machine comprises a cylindrical horizontal freezing chamber 1 provided with a rotatable mixer, the chamber 1 communicating at one end with an ice cream dispensing device, and a liquid mix feed device in the form of a removable container 9 surrounded and supported by a refrigeration coil unit 8. As shown, the container 9 includes a downwardly extending conduit 11 screw-fitted to the container at 109. In other embodiments, the conduit 11 includes a funnel-shaped end element having a resilient rim engaging in liquid tight manner the bottom of the container. The conduit 11 extends down into a trap 7 formed in a vertical duct 2 at the opposite end of the chamber 1 to the dispensing device. The trap 7 includes a frusto-conical seating 6. In operation of the machine, the liquid mix flows from the container 9 into the chamber 1 until the lever of the liquid rises up to the free end of the pipe 11 in the trap 7. At this point the flow of liquid is stopped by the liquid present in the trap 7. Whenever ice cream is dispensed from the chamber 1, automatically a corresponding amount of liquid mix is fed from the container 9 into the chamber 1.
Patent GB-570304-A (GB)
Title: Improvements in or relating to feed mechanism for automatic guns
IPC: F41A9/51
Filed: 1943-09-13
Abstract: 570,304. Cartridge feed mechanism. MOTLEY, L. Sept. 13, 1943, No. 15006. [Class 92 (ii)] A cartridge belt feed mechanism for an automatic gun comprises a motor which functions independently of the power generated by the firing of the gun, the motor acting on a part of the belt to the rear of the foremost round through a resilient connection, and means being provided whereby the motor is positively prevented from retrograde movement so that it maintains the forward portion of the belt in compression and thereby feeds the rounds forwardly immediately the gun starts firing. In the construction shown, the feeding device comprises an electric motor 9 which drives a drum 7 fitted with sprockets 3; the latter engaging with the cartridges and urging them towards a throat 2 where they are stripped from their belt by the reciprocating breechblock (not shown). The drive from the motor to the drum comprises a pinion 10 on the motor shaft, this pinion meshing with three pinions 11 mounted on a fixed spider 17. Pinions 11 mesh with internal teeth of a wheel 13 which is located between internal flanges 21 of the drum and which is connected to the drum by a spring 14. A pawl 15 mounted on the axle 12 of one of the pinions 11 positively prevents the wheel 13 from rotating in the reverse direction. The motor is of the type which may be stalled without danger and tends to over-run the permitted speed of the cartridge belt. Thus, the spring 14 is always maintained in tension and the drum thereby constantly urges the belt towards the throat 2. The belt runs between guides which prevent it from buckling and the cartridges are thus urged towards a spring-controlled pivoted catch 4 arranged above the throat. In operation, the catch oscillates under the alternate actions of its spring 6 and the moving cartridges and serves to ease the pressure on the leading cartridge exerted by the feeding mechanism.
Patent GB-1421930-A (GB)
Title: Treating hydrophilic colloids for photography
IPC: B01J19/06
Filed: 1973-03-29
Abstract: 1421930 Gelatine EASTMAN KODAK CO 29 March 1973 [29 March 1972] 15128/73 Heading C3H [Also in Division G2] The viscosity of a hydrophilic colloid such as gelatine is increased by incorporating a polymer having at least 50 mole per cent of units of the structure where R 1  is H or alkyl or 1-4 C, R 2  is alkylene 1-4 C, x is 0 or 1 and M is an ammonium, salt-forming amine or alkali-metal cation. In examples (7, 8),5% gelatine solutions are treated with a homopolymer of sodium methacryloyloxyethyl sulphate, a homopolymer of sodium 3- methacryloyloxypropane-1-sulphonate and a copolymer of 3-thiapentyl acrylate, sodium methacryloyloxyethyl sulphate and 2-acetoacetoxyethyl methacrylate.
Patent GB-383210-A (GB)
Title: Improvements in and relating to picnic-boxes
IPC: A47B3/10
Filed: 1932-05-27
Abstract: 383,210. Boxes. PANTING, J. W., 3, Hill View Gardens, Headstone Lane, North Harrow, Middlesex. May 27, 1932, No. 15129. [Class 18.] A picnic box comprises sides and ends 3, 4 hinged to a bottom 2 so that when released they may be lowered to the plane of the bottom ; a rubber sheet is attached to the bottom and the sides and ends, and has loose webs which bridge the open corner spaces when the sides and ends are extended. The lid 1 is removable, but may be hinged so that it may be turned under the sides or ends.
Patent GB-258004-A (GB)
Title: Improvements relating to electric lighting by means of vacuum tubes
IPC: H01J61/28
Filed: 1925-06-10
Abstract: 258,004. Blanckensee, J. S. June 10, 1925. Vacuum tubes.-One or more auxiliary electrodes contain or are surrounded by anthraquinone, sodium nitrite, or mercury nitrate for the purpose of maintaining the filling. A mixture of 85 per cent by weight of anthraquinone and 15 per cent of caesium carbonate with a tubular steel electrode produces light similar to daylight. With an increase of the proportion of caesium carbonate a bluish-white light is obtained, and a rose-white light when sodium carbonate is used instead of caesium carbonate. A golden light is given bv sodium nitrite with a steel tube electrode, and a blue light by mercury nitrate and a brass or copper electrode. An auxiliary electrode may be placed close to, and on the remote side of, each main electrode, or a single auxiliary electrode may be used when the tube is short. A formula for use in designing tubes is given.
Patent GB-333875-A (GB)
Title: Improvements in or relating to ticket-punching apparatus.
Inventor: ABREE COMLEY CHARLES WILLIAM
IPC: G07B11/05
Filed: 1929-05-15
Abstract: 333,875. Comley, C. W. A. May 15, 1929. Ticket punches. - A ticket punching or marking apparatus having a punching element movable to any one of a number of positions has means whereby after the punching element has been set it is locked against movement until a punched ticket has been issued from the apparatus. A punch 12 is movable along the rod 16 by a slider 10 on the rod, and is positioned by means of a detent 20 which enters one of the notches 21 in a bar 22. A ticket is punched and issued when shaft 122 is rotated one complete revolution. The locking means for keeping the punch in position during the process of punching and issuing a ticket comprises a detent element 24, 124 carried by the slider 10 and a bar 26 pivotally mounted on a rod 28 and having at its lower end a flange 32 having square H-ended notches 34, the spacing of which corresponds to the spacing of the notches 21 in the bar 22. The shaft 122 has fixed to it a cam disc 40 on which bears one end of a bent arm 38, the other end of which is attached to the bar 26. The bar 26 is normally kept out of engagement with the detent 24 by a spring 36 which' in the normal position of the apparatus holds one end of the arm 38 in a recess in the disc 40. When the punch has been set and the shaft 122 begins to rotate the arm 38 is moved by the cam disc 40 and puts the bar 26 into engagement with the detent member 24 thus preventing movement of the punch 12 until after a complete rotation of the shaft 122 when the end of the arm 38 rests in the recess in the disc 40 and the bar 26 is freed from the detent 24. It is stated in the Provisional Specification that in a modified construction the detent 24 is moved into and out of engagement with the bar 26, and in a further modified construction the spring 36 may tend to hold the members 24, 26 in engagement instead of out of engagement. Specifications 3469/07, 293,883, and 324,064 are referred to.
Patent GB-1471207-A (GB)
Title: Device for the thermal treatment of granular and/or lumpy materials
IPC: F27B1/20
Filed: 1974-04-05
Abstract: 1471207 Shaft furnaces KLOCKNER. HUMBOLDT-DEUTZ AG 5 April 1974 [5 April 1973] 15283/74 Addition to 1451374 Heading F4B In a heat-treatment furnace having two feed channels penetrating to different distances in a treatment chamber and having separate gas outlets, as described in the parent Specification, the channels extend co-axially and the inner channel surrounds a gas collection cowl 8 connected through a number of gas flues 9 to a manifold 7 at the upper part of the charging shoot. A second annular cowl 10 connects the outer charging channel to a second manifold 6 in the upper part of the furnace. Conveyers 14, 15 supply coarse and fine material to a bell valve 13 which distributes the material to the inner shaft 8 when it is lowered, or to the outer shaft when it is raised. The cowls 8, 9 may have adjustable extensions to control the gas flow.
Patent GB-1087302-A (GB)
Title: Improvements in or relating to layer rheostats for printed circuits
IPC: H01C10/32
Filed: 1965-04-09
Abstract: 1,087,302. Connecting-pieces. W. PREH, [trading as PREH ELEKTROFEINMECHANISCHE WERKE JAKOB PREH NACHFOLGER]. April 9, 1965 [April 16, 1964; June 25, 1964; Aug. 21, 1964; Oct. 29, 1964 (2); Nov. 30, 1964; Jan. 15, 1965], No. 15317/65. Heading H2E. [Also in Division H1] One end of a resistance strip 2 (Fig. 4) is connected to a printed circuit on panel 7 by means of a silver and gold covered wire connector. One leg 32 of the connector may be twisted round the other to hold the connector in springy contact with resistance strip 2 and to support strip 2 and carrier plate 1 on panel 7. Alternatively the short leg of the connector may be held to the long leg by a wire wrapping or a fixing plate or by welding.
Patent GB-484854-A (GB)
Title: Improvements relating to air regeneration for breathing purposes
IPC: A62B21/00
Filed: 1937-06-02
Abstract: 484,854. Conditioning air. DISTILLERS CO., Ltd., and STAUDINGER, H. P..Tune 2, 1937, No. 15336. [Class 137] The air in closed spaces such as air-raid shelters or submarines is maintained in a condition fit for breathing by treatment with a substance such as hydrogen peroxide which is caused to liberate oxygen by contact with a liquid medium, and with a substance such as soda lime which absorbs carbon dioxide, foot or manually operated means being used to drive the necessary fan and pump. Sodium hydroxide solution may be employed as an oxygen liberator from hydrogen peroxide and as a carbon dioxide absorber, an accelerator such as finely divided carbon being used if desired. The hydrogen peroxide may be treated with finely divided manganese, lead, or colloidal silver, or with ferric or nickel hydroxide, lead monoxide or dioxide, manganese hydroxide, or dioxide, or with silver chloride, to liberate oxygen, the metals or metal compounds being added in the form of suspensions in water or alkaline liquid. An air circulating fan C, and liquid pump D are operated by pedal means A, the fan supplying vitiated air by a pipe E to a compartment F<1> in countercurrent to descending stream of liquid delivered by the pipe G, and withdrawn by pipe H. An upper compartment F<2> contains soda lime which absorbs a carbon dioxide and moisture, and the regenerated air passes from under a dome F<3> into the enclosure. The pump D circulates the oxygen liberating liquid, and a tank J contains the hydrogen peroxide from which the oxygen is to be liberated, and is connected by a pipe K to the intake side of the pump.
Patent GB-908366-A (GB)
Title: Production of ozonised oxygen
Inventor: HARRISON FRANK ROBIN
IPC: C01B13/11
Filed: 1960-05-02
Abstract: 908,366. Refrigerating. BRITISH OXYGEN CO. Ltd. May 2, 1961 [May 2, 1960], No. 15351/60. Class 29. [Also in Group XL (a)] An ozonizer 1 is cooled by evaporation of liquid carbon tetrafluoride, and this vapour is re-condensed by heat exchange with liquid oxygen which is itself thereby vaporized to provide the gaseous oxygen feed to the ozonizer. As shown, the ozonizer 1 is immersed in liquid carbon tetrafluoride in container 2 and gaseous carbon tetrafluoride is passed through a heat exchange coil 7 immersed in liquid oxygen in an annular container 3. Gaseous oxygen from container 3 passes through a heat exchange coil 10 immersed in the liquid carbon tetrafluoride and into ozonizer 1, a gaseous ozoneoxygen mixture leaving the latter through line 4. Valve-controlled inlets for additional liquid are provided in containers 2 and 3.
Patent GB-668066-A (GB)
Title: Improvements in or relating to apparatus for detecting inflammable gases
Inventor: GLOVER DONALD WILLIAM
IPC: G01N27/16
Filed: 1948-06-07
Abstract: The presence of an inflammable gas is detected by a catalytic element automatically intermittently heated to a temperature suitable for the conduction of the gas, preferably plced in one arm of a Wheatstone bridge circuit.  The change in electrical resistance due to the heat of combustion of the gas unbalances the bridge thereby operating a relay or other means connected to an indicating or warning device.  A motor driven switch preferably as described in Specification 668,067, [Group XXXVII], energizes the bridge for 1/2 -second periods at 5 minute intervals and also energizes a relay which rings a bell softly during the 1/2 -second period.  Continuance of the subdued ringing indicates motor failure.  If inflammable gas is present a main relay operating when the bridge becomes unbalanced, rings the alarm bell loudly and lights a gas alarm lamp.  This main relay is also arranged to respond to the failure of the motor during the 5-minute intervals to operate a motor failure alarm lamp and the alarm bell by a combination of devices such as is described in Specification 668,074, [Group XXXV].
Patent GB-338569-A (GB)
Title: Improvements in the distillation and rectification of alcohol
IPC: B01D3/00
Filed: 1929-05-16
Abstract: 338,569. Barbet, E. A. May 16, 1929. Alcohol, concentrating and distilling. - In a process for obtaining concentrated alcohol from fermented wines, musts, &c. of the kind in which the wines are first distilled and then rectified, the heat of the vapours of distillation being used for the rectification, the heated wines after distillation are subjected to two successive rectifications, the second rectification being effected solely by the heat contained in the alcoholic vapours, and being carried out under vacuum if desired. The plant comprises three plate columns M, B, C with their associated condensers and heat exchangers. The crude wines preheated in a condenser O flow through a heat exchanger Q where they are further heated by the vapours from the column M, M<1> to the distilling column M, M<1>, A<1>. The vapours produced in this column pass in part through the exchanger Q but mainly flow through a pipe 11 into a heat exchanger K where they give up sufficient heat to rectify finally the partially purified alcohol in the column C. The condensate thus produced passes through a separator k and is pumped by a vapour emulsifier P into the column B, B<1> which receives at the same point the condensate from the exchanger Q by a pipe 14. The column B, B<1> thus receives no vapours from the column M, M<1> but only purified condensate which after rectification in the column, which is steam heated and is surmounted by a refluxing condenser 0 and cooler E, passes through cocks S into the second rectifier C where after a second rectification the final product is drawn off at S'. Excess vapours from the column M<1> not required in the exchanger K may be passed into the column B through a pipe 16. In the modification shown in Fig. 2, the vapours from the column M pass directly through a pipe 11<a> and the vapours passing from the top of this column are used to rectify the alcohol in the column C, the boiling point of the alcohol being reduced by placing the column under a vacuum. The alcohol in the column C is distilled by the heat of the vapours in the exchanger 0, to which it is pumped through a line 7, 8 having an adjustable valve V, part of the alcohol being tapped off through lines 4, 5 for delivery to the column B<1>. The rectified alcohol is returned to the column C through a pipe 9. In a further modification of the plant shown in Fig. 1, the top plates M<1>, A<1> of the column M with their associated condenser N are omitted, and thus distillation only without purification of head products takes place in this column. Specification 224,921 is referred to. Reference has been directed by the Comptroller to Specifications 107,975 and 264,050.
Patent GB-897762-A (GB)
Title: Improvements relating to battery-charging systems
Inventor: VICKERY ERNEST CLEMENTS
IPC: H02J7/26
Filed: 1959-05-05
Abstract: 897,762. Automatic control systems for charging batteries. STONE & CO. (DEPTFORD) Ltd., J. April 7, 1960 [May 5, 1959], No. 15383/59. Class 38 (4). A battery-charging system comprises an inductor alternator 1 having a main field winding 6 and a demagnetizing field winding 7 the alternator charging a battery 2 over a main rectifier 4, the alternator output being controlled by means of a regulator, as shown, a carbon pile regulator having a voltage responsive control winding 11, fed from the alternator output over an auxiliary rectifier 8, and a current responsive control winding 13 responsive to the battery charging current, the windings 11, 13 being arranged to control the energization of the alternator field winding 6 to maintain the alternator output voltage substantially constant. The alternator may also supply an auxiliary load such as lighting. In a further embodiment the regulator is in the form of a saturable reactor in which embodiment frequency compensation is included. Specifications 804,711 and 804,713 are referred to.
Patent GB-906164-A (GB)
Title: Improvements in the production of pyridine aldehydes
Inventor: MATHES WILHELM
Filed: 1960-05-03
Abstract: Pyridine aldehydes are produced by heating a pyridine-N-oxide-carbinol to a temperature between its decomposition temperature and 450 DEG C., and recovering the pyridine aldehyde produced from the reaction mixture.  Preferably the reaction is carried out continuously by continuous supply of small quantities of the starting pyridine-N-oxide-carbinol to a heated reaction zone, withdrawal and condensation of the pyridine aldehyde and water vapour produced.  The pyridine-N-oxide-carbinol is desirably supplied to the reaction zone with an inert diluent such as water.  The preferred temperature for carrying out the process is about 340 DEG C. Specifications 710,192 and 710,201 are referred to.