baber/WOPTO huggingface dataset:
Patent GB-618965-A (GB)
Title: Preparation of haloacrylic acid esters
IPC: C07C69/653
Filed: 1946-05-23
Abstract: Esters of alpha-haloacrylic acids are made by reacting an ester of a dihalopropionic acid, having at least one halogen atom in alpha-position, with a carboxylic acid salt in presence of sufficient water to dissolve at least a part of the salt.  The salts may be ammonium sodium, potassium, magnesium, calcium, strontium, or barium salts of such acids as tartaric lactic, citric, benzoic, o-methylol-benzoic, salicylic, naphthalic, phthalic, malonic, maleic, chloracetic, oxalic, and fumaric.  In examples, methyl a b -dichlorpropionate is mixed with an aqueous solution of sodium or potassium acetate.  Polymerization inhibitors, e.g. hydroquinone, copper or copper compounds, sulphur, and phenylene diamine may be present.  Esters which may be used include the alkyl, alkenyl, aryl, cycloparaffinic, heterocyclic, polyhydric alcohol and polyhydric phenol esters of a a - and a b -dichlorpropionic acids, and a number of these are specified.
Patent GB-151099-A (GB)
Title: Improvements in and relating to starting apparatus for internal combustion engines
IPC: F02N99/00
Filed: 1919-06-21
Abstract: 151,099. Adams, A. J. June 21, 1919. Turning-gear.-Relates to hand or foot starting devices for internal-combustion engines, of the kind in which means are provided for rotating the engine shaft intermittently and for holding the shaft in any angular position to which it is moved, both means being automatically disengaged if the engine starts backwards. The means for holding the shaft comprise a ratchet and spring-actuated detent having faces so shaped that the thrust of the ratchet tends to disengage the detent, which is held in engagement by its spring against the thrust due to cylinder compression, but is disengaged if the engine starts backwards. In the form shown, the shaft b of the change-speed lever a may be moved into a special slot f in the gate change quadrant d, to cause a lever c on the shaft b to engage a selector bar g connected through links j, m, q with an arm t mounted to rotate on an extension w of the engine shaft. A rocking motion imparted to the lever a then produces a rocking motion of the arm t, which is fast with a sleeve v carrying pivoted clutch members y urged by springs 11 towards the inner periphery 12 of a, drum x (which may be the engine flywheel) rigid with the extension w of the engine-shaft. The members y lock with the drum x and rotate the engine-shaft when the arm t is rocked counterclockwise, but ride over the inner periphery of the drum when the arm t is rocked back. The drum x is held against cylinder compression after each counter-clockwise movement of the arm t by a detent 22 pivoted at 23 to a frame 24 itself pivoted on a fixed base 26 and held by a stop 29, the detent being held in engagement with ratchet teeth 21 on the drum by a spring 27 and weighted arm 31, which abuts at 33 against the frame 24 and takes the thrust of the teeth 21 against the detent. The shape of the teeth 21 is such that, on a reverse rotation of the drum (clockwise) due to a premature ignition, the detent 22 is thrown out of engagement, and at the same time the clutch members y are disengaged from the drum x by lugs 14 on a stationary plate 13 adjustable by varying the position of an arm 15 slidable on a stationary pin 17, to which it may be clamped by nuts 19, 20. To prevent noise when the engine is running, a spring-urged tappet 34 on the arm t is adapted, when the lever a is being moved out of the slot f, to press against an arm 32 rigid with the detent 22 and force it out of engagement with the teeth 21 of the drum x. A separate starting magneto geared to function when the engine is running slowly, or means for moving the magneto armature quickly when the engine is running slowly, may be provided, such as the devices de scribed in Specifications 151,357, 151,564, and 151,565, [all in Class 35, Dynamo-electric gener ators &c.].
Patent GB-583825-A (GB)
Title: Improvements in the manufacture of micro-porous rubber-like materials
IPC: C08J9/26
Filed: 1944-08-17
Abstract: Microporous rubber-like materials having intercommunicating pores, particularly for use in the manufacture of printing webs, are obtained by mixing rubber or a vulcanizable rubber-like material with a non-resilient soluble filler, both very finely comminuted, moulding the mixture under pressure, vulcanizing the product either before or after removal from the mould and then removing the filler by means of a solvent inert to the rubber-like material.  The components are preferably ground to a size to pass a 25 mesh to the linear inch sieve and be retained on a 325 sieve, and may be mixed in the proportion of 55 per cent. by volume of rubber or rubber-like material such as a butadiene copolymer, to 45 per cent. by volume of filler, this being as fine or finer than the rubber.  The filler, which may be sodium nitrate, sodium carbonate, ammonium sulphate, zinc or polyvinyl alcohol, is dissolved out by means of hydrochloric or nitric acid or by hot water which may contain a soap, a sulphonated fatty alcohol or a dioctyl ester of sodium sulphosuccinic acid.
Patent GB-1262385-A (GB)
Title: Arc-quenching chamber
Inventor: GOTSCH ALFRED
IPC: H01H33/662
Filed: 1969-03-26
Abstract: 1,262,385. Vacuum switches. INSTITUT PRUFFELD FUR ELEKTRISCHE HOCHLEISTUNGSTECHNIK. 26 March, 1969, No. 15759/69. Addition to 1,258,811. Heading H1N. A vacuum switch has co-operating contacts 3, 4 in an evacuated housing 1 which is of double walled construction, the housing comprising a resilient cylindrical metal member 1a joined by a metal diaphragm 1b to an outer insulating wall 1c, the cavity 7 defined between the double walls being filled with air and/or inert gas or SF 6  at a pressure less than atmospheric. The moving contact 4 is mounted on a plate 6 carried by diaphragm 1b. Wall 1c has a metal coating 8 on its inner surface to provide a field free cavity 7. A further metal coating 9 on the top of wall 1c provides a favourable field distribution.
Patent GB-142347-A (GB)
Title: Improvements in trucks or understructures for railway, tramway and other vehicles
IPC: B61F5/06
Filed: 1919-06-23
Abstract: 142,347. Brill Co., J. G., and Adams, W. S. June 23, 1919. Axle-trucks and bogies.-Relates to bogies for supporting the bodies of railway and like vehicles, of the type in which the body is supported by springs so as to have vertical movement on a bogie comprising, as described in Specification 4482/13, two side bars with offset portions forming axle-box yokes. According to the invention, the end supporting-springs have a universal connexion with the body, so that the body is permitted both vertical and lateral movements, these being controlled by a selfcentring device, such as is described i n Specification 100,726 for normally alining the body with the bogie frame. In the construction shown, the bogie framework comprises a pair of side bars 1, Fig. 6, having offsets or yokes 6 to receive the axle-boxes 7 and reduced ends 44 extending beyond the yokes, body-supporting springs 16 being carried on the ends of the side bars and having one end secured by means provided on the adjacent yoke, while the free end has a universal connexion with the vehicle body. The inner ends of the springs 16 are held to the extensions 44 by bolts 18 and engage under overhanging lips 43 on the yokes 6. The free ends of the springs 16 carry depending bolts 24, Fig. 6, on which are arranged washers 23 carrying springs 17 for supporting U-shaped brackets 19 attached to the vehicle body. Additional supporting-springs 14 allowing the body vertical and lateral movement are mounted at the centre of the side bars 1. The axle-boxes 7 are provided with lateral lugs 7 between which and the side bars 1 are arranged springs 10 for supporting the side bars. One self-centring device is attached on each side of the bogie at diagonally opposed corners to a yoke 6 by means of a bolt 27. Each device comprises a block 28 mounted to turn on the bolt 27 with considerable friction, owing to a spring 30, and carrying an horizontal bolt 29 on which are pivoted two links 31. The other ends of the links are connected by a bolt 33 to a second block 34 which is pressed by means of a spring 38 against a plate 35 adapted for attachment to the vehicle. Springs are arranged on the bolts 29, 33 between the links 31 and blocks 28, 34 respectively.
Patent GB-565700-A (GB)
Title: Improvement in extraction and recovery of pectin
IPC: B61C9/30
Filed: 1942-11-10
Abstract: Pectin is recovered from a pectic raw material, such as apple pomace or the albedo of citrus fruits, or from a metal pectinate by treatment with a hydrogen-exchange material in the presence of water. Fresh apple pomace &c. may be heated in water at 90 DEG  C. for about 5 minutes to inactivate the enzymes, pulped if necessary, washed free from soluble constituents and agitated with water and a finely-divided hydrogen-exchanger at a temperature of 60 DEG -100 DEG C. for 30 minutes or more according to the temperature to produce a dilute pectin solution which is separated by centrifuging or by a hydraulic press.  The solution may be treated with activated carbon, clarified and concentrated and the pectin dried as on a rotary drum or precipitated with alcohol.  A wet metal pectinate may be washed and agitated with a finely - divided hydrogen-exchanger until it liquefies, the solution being decanted, or it may be first treated with a small amount of acid and then passed through a bed of hydrogen-exchange material. Alternatively, a centrifuge may be lined with a layer of pectinate between layers of a hydrogen-exchanger. When centrifuged, the pectinate mixes with the innermost layer and the pectin solution filters through the outermost layer and issues in a continuous viscous stream.  In either case, the pectin solution may be passed through a bed of anion-exchange, or anion-absorbing, material to remove free acid and then through a bed of hydrogen-exchange material to remove the last traces of metallic impurities.
Patent GB-726934-A (GB)
Title: Improvements in or relating to submerged valve oil cooler
Inventor: JENSEN RAYMOND WALTER
IPC: F01P11/08
Filed: 1952-06-24
Abstract: 726,934. Cooling-radiators for engine oil. GARRETT CORPORATION. June 24, 1952, No. 15863/52. Class 64 (3). A viscosity regulator for congealable fluid under varying temperature and pressure (e.g. engine oil) comprises a heat-exchanger with inlet and outlet connections for the fluid, and temperature and pressure responsive valved control mechanism including a tubular housing, removably mounted within the heat-exchanger and operatively associated with the inlet and outlet connections such that the flow of congealable fluid therebetween is automatically and selectively directed either wholly through the heat-exchanger, a part only of the heatexchanger or through said tubular housing, thus by-passing the heat-exchanger. The heatexchanging portion of the regulator shown includes a core comprising a bundle of tubes 11 through which air or other coolant fluid is passed, surrounded by a shell 10 and extending between the tube plates 12. The control mechanism is disposed within a tubular housing 21 removably mounted within the shell 10 of the heat-exchanger. Baffles 13, 14 within the shell divide the space therein into four sections forming a tortuous path for the oil, the flow path through the cooler being either through all the sections or only two sections (i.e. on one side only of the transverse baffle 14). Oil, when hot, flows from inlet port 18 to chamber 24, Fig. 3, past surge check valve 25 which is normally held open by a spring 40, to core inlet passage 26 and thence through all the sections of the core (see arrows : Fig. 2) to the space 33 where the oil pressure actuates the core outlet check valve 32 to allow the cooled oil to flow to the outlet 19. If the oil leaving the cooler becomes too cool a thermostat 30 in the oil outlet passage 31 operates to open a by-pass valve 28 so that at least some of the inflowing oil may then pass from the passage 26 directly to a second core inlet passage 29 by way of by-pass passage 27 whereby a portion of the core is cut out of the oil path. As the oil temperature rises, the thermostatic element 30 operates gradually to close the by-pass valve 28 so eventually directing the whole of the inflowing oil to the passage 26 and thence through each section of the core to the outlet 19. In the event of a sudden increase in oil pressure, bypass valve 28 which is axially displaceable on stem 43 may be forced open to allow some oil to flow more directly to the outlet. In the event or a sudden pressure surge of even greater intensity, a valve 23 adjacent the inlet 18 will be forced open against the action of spring 40 thus allowing oil to flow directly to the outlet 19 by way of passages 36. The operating temperature of the element 30 may be varied by adjusting screw 35.
Patent GB-116027-A (GB)
Title: Improvements in Speed Governors.
Inventor: BOOTH HAROLD VICTOR
IPC: G05D13/10
Filed: 1917-11-03
Abstract: 116,027. Booth, H. V. Nov. 3, 1917. Centrifugal governors comprise weights m carried by levers f pivoted on lugs l on a rotating sleeve h, the ends of the levers acting on a flanged cap p on the valve spindle c. A spring o in the sleeve h controls the weights and is adjustable by means of a nut or collar r on a screwed part of the spindle. The spindle passes through a sleeve g secured in the lid b of the valve box.
Patent GB-134266-A (GB)
Title: Improvements in or relating to Electric Switches.
Inventor: TUCKER JOHN BRISTOW
IPC: H01H23/18
Filed: 1918-10-03
Abstract: 134,266. Tucker, J. B., and Crabtree, J. A. Oct. 3, 1918. Switches, quick-action; switchboards.-Relates to switches of the kind comprising a number of independently operable switch elements, all of which may be operated, if desired, by a common operating device. According to the invention, the switch elements are loosely mounted on a spindle which constitutes the common operating-member, and is carried by the switch cover a which is removable from the base b on which the fixed switch contacts are mounted The switch elements, mounted on the spindle c which serves as a busbar, consist of an exterior handle part d and an interior contact part which may be insulated from the handle part and is out of line therewith. The contact parts co-operate with the spring-plate contacts l on the base and, as shown, when the handle part is over to the left, contact is broken. Some or all of the movable switch parts may, however, be assembled initially the other way round on the spindle, in which case, with the same position of the handle part, the switch would be closed. The contact levers have a segmental enlargement k around the spindle serving to close the slot in the cover across which the handle moves. The part k carries also a pin h which co-operates with the flat spring i to give a snap-action to the switch and is engaged, when the common handle j on the spindle is rotated, by one projecting end or the other of a pin passing through the spindle whereby all of the switches not in the " on " or " off " positions may be brought to one of these positions together, and at the same time a contact on the spindle co-operating with a fixed contact on the base may close an indicating circuit to show that this has been done.
Patent GB-1470433-A (GB)
Title: Adapter for use with a magnetic tape recorder
IPC: G11B25/06
Filed: 1974-04-10
Abstract: 1470433 Adapters for controlling tape recorders OLYMPUS KOGAKU KOGYO KK 10 April 1974 [10 April 1973] 16054/74 Heading G5R An adapter, Fig. 1, has a casing 2 with a recess 2<SP>1</SP> detachably receiving a magnetic tape speech recorder 1, and a mechanically operated review mode selector 6 of recorder 1 is operable by a review solenoid 38, Fig. 3, of the adapter, solenoid 38 being energized by selectively either one of two switches 36, one switch 36 being manually operable by a control 14, Fig. 1, on casing 2 and the other switch 36 being operable by a foot-operated control 21 on a foot control unit 19, the adapter also having a mains switch 31, Fig. 1, for switching electrical power off and on to the adapter and two play mode selection switches 35, each operable to connect recorder 1 and switches 36 to switch 31, a manual control 13 on casing 2 operating one switch 35 and a foot control 20 on unit 19 operating the other switch 35. Movement of a slide button 7, Fig. 1, on casing 2 closes the mains switch 31, Fig. 3, therein and operates a play button 5 of recorder 1. Subsequent operation of the play control 13 or of play pedal 20 closes the corresponding switch 35 to supply power over jack 11 to the recorder which thereby assumes the normal playback mode. Operation of buttons 13 and 14, or of pedal 21 (causing pedal 20 to also operate), closes corresponding switches 35, 36 to energize solenoid 38 whereby a button 6, Fig. 1, on recorder 1 is pushed in (arrow A) to produce the review mode. Operation of buttons 13 and 15, or of pedal 22 (causing pedal 20 to also operate), closes corresponding switches 35 and 37 to energize solenoid 39 whereby button 6 is slid in the direction of arrow B, Fig. 1, to produce a cue mode. Playback is to a loudspeaker 4 unless a slide button 8 is moved rightwards in Fig. 1, thereby engaging a plug 105 in socket 104, Fig. 3, to disconnect loudspeaker 4 from, and connect earphones 9 to, playback amplifier 102. Relays 109, 110 are energized in the review and cue modes respectively to attenuate the output to earphones 9 by means of variable resistors 106, or 107 or alternatively by means of high frequency-cut filters.
Patent GB-1015350-A (GB)
Title: An electric tuning device incorporating an adjustable contact wiper
IPC: H01H43/12
Filed: 1964-04-17
Abstract: 1,015,350. Time switches. CONTROLS COMPANY OF AMERICA. April 17, 1964 [June 13, 1963], No. 16111/64. Heading H2B. The seeking of a start position by a time switch by means of a wiper contact running over a printed circuit is rendered more accurate by providing a fine adjustment of the wiper position with respect to the motor on which it is mounted. The drive gear 16 for a cam bank (Fig. 1, not shown) carries a wiper plate 32 having fingers 30 for co-operation with a printed circuit (Fig. 3, not shown). The plate 32 is located on a shaft 44 by spring-like tabs 46 and is guided by undercut projections 36 to allow angular adjustment by an eccentric lug 40 acting on slot 38 when a pin 42 is rotated from the other side of gear 16. A face on pin 42 and a mating surface of an accommodating recess in gear 16 have co-operating serrations (Figs. 4, 6 and 7, not shown) to maintain the pin in its adjusted position. The pin 42 is retained in the recess in gear 16 by the resilience of plate 32.
Patent GB-1148575-A (GB)
Title: A machine for the manufacture of rings or disks
IPC: B26D3/16
Filed: 1966-04-13
Abstract: 1,148,575. Cutting tubes &c. transversely; stream cutting. ELASTOMER A.G. 13 April, 1966 [13 April, 1965], No. 16164/66. Headings B4B and B5A. A machine for cutting rings 12 or discs from a continuously-advancing tube 9 or rod of elastic material comprises a cutter 4 carried by a hollow cylinder 3 mounted in a radial bore 2 in a housing 1 which is rotatable, e.g. by means of a flywheel, at varying speeds, and a compression spring 6 provided between the housing 1 and the base of the cylinder 3, the arrangement being such that when the rotational speed of the housing 1 is increased, the increasing centrifugal force presses the cylinder 3 against the spring 6 so that the cutter 4 is taken out of the cutting position and the tube 9 can be advanced while when the rotational speed of the housing is reduced, the cutter is once more in the cutting position. The cylinder 3 may be counterbalanced by another spring-loaded hollow cylinder, but not having a cutter, provided in a diametrically-opposite radial bore. The tube 9 is fed by means of pulleys 13, 14 and is guided at its front end by a multi-jaw chuck. The rings 12 are ejected through the extension 11 of a funnel-shaped insert 10. The tube or rod may be presented to the cutter directly under the action of the ejecting force of a tube or rod forming machine, e.g. an extruder.
Patent GB-1090045-A (GB)
Title: Monoazo dyestuffs containing a quinoline residue and suitable for dyeing metal-modified polyolefin materials, and processes for producing and using them
IPC: C09B45/00
Filed: 1965-04-15
Abstract: The invention comprises monoazo dyes of the formula <FORM:1090045/C4-C5/1> wherein R1 represents H or OCH3, and R2 an R3 each represents H, C1-C2 alkyl, or -C2H4OH.  They may be prepared by coupling a diazotized 8-aminoquinoline with an m-N-substituted aminophenol. They are suitable for dyeing metal modified polyolefin materials such as polyethylene or polypropylene.  Examples are given for the production of the dyes.  Reference has been directed by the Comptroller to Specification 1,001,496.
Patent GB-251799-A (GB)
Title: Improvements in devices for operating on travelling yarns
IPC: B65H63/06
Filed: 1925-06-24
Abstract: 251,799. Alexander, A. E., (Eclipse Textile Devices, Inc.). June 24, 1925. Clearing-apparatus; tension arrangements.- In a slub-catching device for winding-machines the position of the operative element is automatically adjusted in accordance with the thickness of the yarn by a controlling member gently urged against the yarn. The yarn is led between the ears 15 of a horizontal flange 14 on a fixed plate 10, over the upturned end 21 of a second flange 20, and round an adjustable thread guide 55, and is thus drawn under a freely-rotatable tension disc 17, and under the bevelled edge of a horizontal flange 30 and over the downwardly-curved end of a flange 50 both mounted on a lever 31, the flange 20 having an opening, 22 with a cleaning edge 23. A plate 40 adjustably mounted on the flange 30 has a toothed edge which is normally set just out of contact with the yarn, and is automatically adjusted whatever the thickness of the yarn by the passage thereof under the flange 30. The flange 50 is positioned to hold the yarn slightly out of the straight so that the pressure nf the yarn thereon prevents the lever 31 vibrating. A guard 60, 61 is attached to the plate 10. When a slub enters the device, it catches on the toothed plate 40 and the yarn is broken.
Patent GB-1195359-A (GB)
Title: Electron Image Device
IPC: H01J29/62
Filed: 1969-03-28
Abstract: 1,195,359. Image converter tubes. WESTINGHOUSE ELECTRIC CORP. 28 March, 1969 [16 April, 1968], No. 16329/69. Heading H1D. An electron optical converter system comprises, in an envelope, an input radiation transmissive window 22 with a photocathode 26 on the inner surface thereof, a target member 20 positioned to receive photoelectrons from the photocathode, a main field-shaping electrode system, comprising, as shown, cathode shield electrode 36 and anode 48, for focusing the electron image on to the target 20, and, interposed between the target and the field-shaping electrode system a tubular corrector electrode 60 of greater diameter than its axial length and electrically isolated from the target, which reduces the distortion of the image formed on the target. The corrector electrode 60 has applied to it a voltage of between 0 and -8 kV with respect to the voltage of the adjacent anode electrode 48 to minimize the pin-cushion distortion resulting from the non-linear magnification of the electron image over the planar target. The target 20 may be a fluorescent screen or, as shown, may be a charge storage screen which is read by an electron beam from gun 90 to give a video output from lead 82 connected to the target. An example is described in which the relative potentials and dimensions of the various electrodes are given. The window 20 may be a fibre optic glass structure with the light pipes parallel to the tube axis.