baber/WOPTO huggingface dataset:
Patent GB-643925-A (GB)
Title: Improvements in and relating to swarf-collecting apparatus for use in sound recording
IPC: B23Q11/00
Filed: 1948-05-04
Abstract: 643,925. Gramophone turntable accessories. DUNK, H. J., DIXON, E. O., and M.S.S. RECORDING CO., Ltd. May 4, 1948, No. 12283. [Class 40 (ii)] [Also in Group XXIII] Swarf collecting means for use in sound recording apparatus in which a sound groove is cut in a rotating record disc, is provided in the form of a circular disc or annulus which is mounted for rotation and spans at least part of the recording surface, part of the operative surface of the disc or annulus being in contact with the record disc or the turntable surface. Fig. 1 shows part of a sound recording apparatus including a cutter head 4 driven by normal means. A fibrous member 10 is fixed in holder 11 which is rotatable and slidable on a spindle 17 which is connected through a ball joint to the end of an arm 20. Arm 20 is pivoted to a fixed support 18, so that the arm and fibrous member may be swung vertically to be clear of the record and a lever 27 by engaging screw 30, enables the arm to be supported in the upper position. Adjustment of screw 30 which also engages lever 27 in the lower position, enables the height of the member 10 above the record to be adjusted. The direction of the spindle 17 is adjusted to be a small angle from the vertical, so that the edge of the member 10 is in contact with the record or turntable surface whereby the member is rotated by friction during operation. Screw 26 enables the ball joint to be clamped, so fixing the position of spindle 17. Fig. 4 shows the construction and mounting of the fibrous member and holder. The felt pad 10 in the form of an annulus, is mounted by an adhesive or other means in holder 11. Alternatively, the pad may be in the form of a circular disc. In operation, the light swarf strip is collected by the rotating pad and gathers in the centre space of the annulus, assisted by the action of pegs 32.
Patent GB-694911-A (GB)
Title: Improvements relating to the polymerisation of n-substituted unsaturated amides
IPC: C08F20/52
Filed: 1951-05-25
Abstract: The invention relates to polymers of amides of the formula R2CH=C(R)CON(R1)H, where R is a hydrogen atom or a methyl group, R1 is a hydrocarbon residue in which the atom attached to the nitrogen is a tertiary carbon atom or a cycloaliphatic group in which the atom attached to the nitrogen is a secondary carbon atom, and R2 is a hydrogen atom, an alkyl group such as methyl or an aryl group such as phenyl.  Preferred amides are N-tertiary butyl, N-tertiary amyl, N-(dimethyl-phenyl)-carbinyl, N-cyclohexyl and N-cyclopentyl acrylamide, methacrylamide, crotonamide or cinnamamide.  The amides may be polymerized with other copolymerizable compounds such as acrylonitrile, N-vinyl carbazole, styrene, vinyl chloride, vinyl acetate, butadiene, isoprene, methyl vinyl ketone and vinyl pyridines.  Polymerization is preferably effected in aqueous dispersion, preferred emulsifying agents being the dioctyl ester of sodium sulphosuccinic acid, sodium di-(2-ethyl hexyl) sulphosuccinate and sodium secondary octadecyl sulphate.  The polymerization catalyst may be potassium or ammonium persulphate, hydrogen peroxide or benzoyl peroxide, and the rate of polymerization may be increased by the use of activators such as potassium metabisulphite, sodium sulphite, potassium ferricyanide and silver nitrate.  Regulators such as carbon tetrachloride, dioxane and acetaldehyde may be present. Copolymers of the amides with copolymerizable compounds may be prepared by bulk or solution polymerization.  Certain of the polymers are soluble in one or more of acetone, methanol, acetic acid, methylol, isopropyl alcohol, dioxane and methylene chloride and such solutions may be used for dry- or wet-spinning.  Filaments, films and foils may be obtained from acetone solutions containing both polymer and cellulose acetate or other acetone-soluble organic acid ester of cellulose.
Patent GB-876321-A (GB)
Title: Improvements in opening and unstoppering devices
Inventor: CHURCHILL JOHN GODWYN
IPC: F16K1/30
Filed: 1957-04-16
Abstract: 876,321. Fire extinguishing apparatus. GRAVINER MANUFACTURING CO. Ltd., and WILKINSON SWORD Ltd. April 16, 1958 [April 16, 1957], No. 12345/57. Class 47. [Also in Group XXVIII] An unstoppering device for a container 18 of fluid under pressure closed by a sealing disc 19 comprises a sealing disc cutter 22 normally spaced from the disc 19 and carried at one end of a member 21 the other end of which is provided with a piston 21a, the member 21 being movable in a bore in a housing 14 which bore has a portion with which the piston 21a makes a sliding fit when the member 21 is in its unoperated position, the bore being enlarged at a distance from said portion so that after the piston 21a is exposed to gas generated by the ignition of an explosive charge to drive the cutter 22 through the disc 19, the gas can escape around the side of the member 21. The member 21 is held in its normal position by fracturable means such as a shear pin 24. The member 21 is guided axially by a flange 21 c which in the operated position of the member 21 engages a resilient cushioning member 9. The gas pressure to operate the device is produced by an electrically ignitable explosive charge 10a. The cutter 22 is hollow and its cutting edge 22a is an interrupted circle whereby an uncut portion of the disc 19 is left to form a hinge about which the cut portion of the disc 19 can swing back to avoid blockage of the outlet from the container 18. The contents of the container 18 pass to a side connection 14a through the tubular cutter 22 and apertures 21d, e, f in a hollow part of the member 21, and also through notches in the flange 21 c. The container 18 may contain carbon dioxide for fire extinguishing purposes.
Patent GB-571346-A (GB)
Title: Improvements in or relating to flat single bed knitting machines
IPC: D04B19/00
Filed: 1943-11-30
Abstract: 571,346. Knitting-machines. KANGOL WEAR, Ltd., and SAUNDERS, J. T. Nov. 30, 1943, No. 12464. [Class 74 (ii)] A machine for knitting lengths of fabric composed of triangular sections for producing an article such as a beret is provided with a secondary shaft B mounted parallel to the main shaft and driven therefrom so that it makes one revolution for the number of sections necessary to produce the article, one part of the revolution being at a slow speed while the sections are being knitted, and the other part being at a much greater speed while courses of a separation thread are being knitted. Cams F. G<1>, G<2>, H are provided on the shaft B for controlling the movement of the separation thread e, for holding the pawls g<1>, g<2> of the needle selectors out of the engagement with the racking bars G<3>, G<4> and for raising a latch H<2> to allow the pawl g<2> to come into operation at the commencement of knitting of the triangular sections. Two mutilated ratchet wheels D', D' are provided upon the shaft B, the toothed portion of one wheel coinciding with a plain portion of the other wheel, and one wheel having a number of teeth corresponding with the number of triangular sections the other wheel having as many teeth as there are separation courses knitted. The first wheel' D' is driven by a spring pawl c' at the end of a lever oscillated by a cam a on the main shaft A, and allowed to engage the wheel D<1> at the end of the knitting of each section. The second wheel D' is engaged by a pawl c' which is allowed to engage its wheel at each revolution of the main shaft, so that the shaft B is racked once per revolution of the main shaft during the knitting of the separation courses.
Patent GB-178339-A (GB)
Title: Improvements in or relating to propelling handles of perambulators
IPC: B62B9/20
Filed: 1921-05-02
Abstract: 178,339. Simpson, B., and Dow, W. B. May 2, 1921. Push-bars.-The side members 1<x> of a U-shaped tubular handle 1 are pivoted to the sides 3 of a perambulator at a distance back from the actual ends of the side members, the portions that project forwardly beyond the pivot points 2 being formed with notches 5 which engage screwthreaded pins on the sides 3 so that the side members 1<x> can be secured to the pins by winged nuts 7 provided thereon.
Patent GB-1455003-A (GB)
Title: Screwdrivers and screws for use therewith
IPC: F16B23/00
Filed: 1973-03-15
Abstract: 1455003 Screw driver-blades M ISKRA 22 Feb 1974 [15 March 1973] 12536/73 Heading B3N A screw driver blade comprises a shank portion 10 with a tip portion 12 formed as a transversely extending blade for engagement with a parallel sided slot in a screw head and a central spigot 14 extending beyond the blade tip and having a cross-section of greater width than said blade tip, for engagment with a corresponding axial guide bore in a screw. The spigot may be of cylindrical or square cross-section and the bore in the screw is of cylindrical cross-section to accommodate the blade spigot. The square section spigot may be slightly tapered and its size such that the corners of the square section engage the cylindrical wall of the guide bore to effect additional support between the screw and blade at the initiation of a screwing-up operation. The blade may be used with manual and power operated tools.
Patent GB-1432898-A (GB)
Title: Electrochemical measuring device
IPC: A61B5/00
Filed: 1974-03-21
Abstract: 1432898 Electro-chemical cell with temperature sensor RADIOMETER AS 21 March 1974 [22 March 1973] 12574/74 Heading G1N An electro-chemical cell comprises an electrolyte containing measuring chamber 15 partly defined by a semi-permeable membrane 16, a cathode 14 adjacent membrance 16, an anode 13 spaced from membrane 16 and a temperature sensor 22 positioned on and in good thermal contact with the anode. The cathode is preferably in the form of a ring contacting the membrane and the andoe is in the form of a bobbin arranged along the axis of the ring and has a resistance wire sensor wound thereon. The anode is preferably silver, at least in the part which contacts the electrolyte, the remainder being optionally of a good heat conductor. The sensor is preferably nickel wire and the windings are protected by a plastics sheath 24. The cathode may be gold or platinium and the electrolyte potassium chloride. The cell is used to measure oxygen or carbon monoxide by applying a voltage and measuring the cell current. The temperature sensor permits compensation for different temperatures of solutions being measured.
Patent GB-1269424-A (GB)
Title: Improvements in and relating to apparatus for transferring workpieces between stations
Inventor: WILSON WALTER WIENER
IPC: B21D43/10
Filed: 1970-03-16
Abstract: 1,269,424. Transferring blanks. GULF & WESTERN INDUSTRIAL PRODUCTS CO. 16 March, 1970 [1 April, 1969], No. 12622/70. Headings B3Q and B3W. An apparatus for transferring blanks from one press to another, the presses being for forming, blanking, drawing, trimming, or other metal-working operations, comprises radial arms 76 rotatable about an axis P, carriages 84 on and reciprocable along each arm and grippers 110 secured to the carriages 84. The grippers may be rotated to invert a blank being gripped, tilted at an angle to the horizontal or moved in a vertical direction relative to the respective carriage 84. The carriages 84 are linked to arms 252 which are pivoted at 254 to a support plate 56 rotatable with the column 50 which rotates as axis P. A lift plate 256 rests under rollers 264 and is movable axially of the column 50 to pivot the arms 252 and consequently move the carriages 84. The operation of the lift plate is controlled by a cam to synchronize its vertical movements with the rotary movements of the column 50 and the plate is raised and lowered by a mechanically driven yoke arm 266. A biasing force may be applied to each of the arms 252 by means of air cylinders 300.
Patent GB-829801-A (GB)
Title: Improvements in or relating to ammonia still apparatus
IPC: C01C1/10
Filed: 1957-04-18
Abstract: <PICT:0829801/III/1> <PICT:0829801/III/2> A column for distilling ammoniacal liquor comprises an upper section for distilling off the free ammonia and a lower section for distilling off fired ammonia after treatment with lime slurry or other suitable alkaline material, each section having spaced bubble-trays arranged in a vertical column, the walls of the column at diametrically opposed positions and at each tray level being provided with flanged openings 23 (Fig. 2) to which are secured weir plates 25 providing, at an upper part, a weir for the overflow of liquor from one tray and, at a lower part, a weir for the inflow of liquor on to the tray immediately below and box conduits 34, the box conduits being removable to give access to the interior of the column.  The width and height of the openings 23 are at least equal to one half the diameter of a tray, and the height of the wires is adjustable.  The plant arrangement of Fig. 1 shows dephenolized ammoniacal liquor from a coke-oven battery fed by a line 4 to the upper section 1 of an ammonia still constructed as previously described.  Ammonia vapours from the distillation of free ammonia leave by line 11 and the thus distilled liquor passes by line 6 and valve 47 to a vessel 2 for admixture with lime slurry fed thereto by pumps 19 and line 43 from a tank 18.  The liquor containing lime slurry passes by line 9 to the lower section 3 of the still for distillation of the fired ammonia, ammonia vapour being withdrawn by line 12.  Some or all of the liquor from the upper section may by-pass the vessel 2 and be mixed with lime slurry from a branch line 42 and fed directly to the lower section of the still. Steam for the complete distillation is admitted at 5.  The ammonia vapours withdrawn through line 12 are passed through a dephlegmator 13 and almost pure ammonia is recovered through line 14.
Patent GB-585341-A (GB)
Title: Improvements in or relating to aircraft
IPC: F02C6/08
Filed: 1942-09-10
Abstract: 585,341. Compressors; gas turbines. GRIFFITH, A. A. Sept. 10, 1942, No. 12792. [Classes ,110 (i) and 110 (iii)] [Also in Group XXXIII] A suction pump for removing the boundary layer from the plane or other surfaces of an aircraft is normally driven from the aero-engine through means permitting overrunning of the pump which is permanently coupled to an air motor driven by the relative wind so that the pump continues to be driven when the aeroengine has been throttled down. In one form an aero-engine 10 driving a tractor screw 11 is coupled to a shaft 12 of an air-pump 15 through a free-wheel clutch 14. The shaft 12 is permanently coupled to an air turbine 16 which acts as a blower while it is driven by the engine to draw in air through an inlet 19 and discharge it through a nozzle 20 to aid propulsion, but when the engine speed falls below a predetermined limit the turbine 16 continues to drive the pump 15. The clutch 14 may be replaced by a fluid coupling, an exhaust-driven turbine or the engine shaft may drive a dynamo which supplies current to an electro-motor for driving the shaft 12. Fig. 4 shows a modification in which the power unit is a combustion product turbine. Two sets 30, 31 of contrarotating elements carried upon a fixed shaft 32, carry compressor blades 33, 35 and turbine blades 34, 36, the turbine blades being fed from a combustion chamber 42. Air for combustion is fed to the blades 33 through conduits 38 in struts 39 connecting the power unit to the outer skin of a nacelle 37 from which the air passes to an annular chamber 40 before entering the first compressor. The elements 30, also support propeller blades 44 for driving the aircraft by a rearwardly directed jet and separated from the blades 44 by an annular shroud 45 are blades 46 of a pump for sucking air through a conduit 47 connected to the slits in the surfaces through which the boundary layer, is withdrawn. When the turbine is not working the air stream acts on the blades 44 to drive the blades 36 to maintain the suction in the conduit 47. A power unit of this character is described in Specification 585,330.
Patent GB-1374892-A (GB)
Title: Induction coil assembly
IPC: H01F27/40
Filed: 1972-03-20
Abstract: 1374892 Resistors; ignition coils DUCELLIER & CIE 20 March 1972 [5 April 1971] 12801/72 Headings H1S and H1T A ballast resistor 9, connected in series with the primary winding of an ignition coil for an internal combustion engine, is mounted between refractory plates 11, 12 enclosed between metal plates 14, 13, the latter being attached to a collar 5 which surrounds and supports the coil. The resistance wire 18 may be wound on a refractory plate 19. If its temperature coefficient is low it will have a current limiting effect. If its resistance increases with temperature an improved ignition performance will be obtained when starting. The coil may be oil-filled.
Patent GB-1105751-A (GB)
Title: Improvements in and relating to boat-shelter combinations
IPC: B63B7/06
Filed: 1966-03-23
Abstract: 1,105,751. Boat-shelter combination. T. G. FARISH. 5 Jan., 1967 [23 March, 1966], No. 12805/66. Heading B7A. A boat-shelter combination comprises a boat 1, means such as posts 4 (and guy ropes 6 attached to pegs 7) for supporting the boat upside down, a cover 2 for the boat, and flexible side walling material 8, so that a hut or shelter can be made by supporting the boat upside down on the support means above the cover which is put on the ground, and arranging the side walling material round the supporting means and/or the edges of the boat and cover.
Patent GB-567386-A (GB)
Title: Improvements in and relating to electric circuit overload protective apparatus, particularly for use in electric distribution systems
IPC: H02H3/08
Filed: 1943-08-09
Abstract: 567,386. Protective cut-out arrangements ; electrically-tripped switches. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 9, 1943, No. 12814. Convention date, Aug. 15, 1942. [Class 38 (v)] In a distribution system wherein a line 40 supplies through a fuse 41 a pair of transformers 51, 56, each connected to loads 43 through fuses 49 of much higher rating than the continuous rating of the transformers, overloading of the latter by currents which individually are within the rating of fuses 49 and in the aggregate are insufficient to affect fuse 41, is prevented by a bimetallic trip device in each primary circuit, having a heating characteristic E which, at low overloads, approximates to the time-current curve C, Fig. 5, of the transformer and, at high overloads, to that A of fuses 49, lying between the characteristic A and that B of fuse 41. Thus, if either transformer is subjected to a dangerous load made up of individual loads all within the rating (of short-circuit dimensions) of fuses 49 and not of short-circuit dimensions which would rupture fuse 41, the switch 59 or 60 is tripped. The bimetal element 13 is in series with a negative voltage-resistance characteristic resistor 20 across a heating coil 18 in each primary circuit, the resistor 20 acting in a blocking capacity at low overloads up to the point D at which fuses 49 blow, so that strip 13 is controlled mainly by the coil 18. With overloads beyond point D, however, the p.d. across 18 lowers the resistance of 20 and the increase of current through the strip accelerates the heating. The strip 13 comprises a spiral secured at one end in a slit 12 in a central insulating post 11 and connected at the free end to a trip lever 14 pivoted at 16. An insulating annulus 19 partly shields the strip from the coil 18. Resistance 20 comprises an annulus of silicon carbide crystals held together by a binder, the whole being secured betweenconducting plates 25, 26 by means of a spring washer 27 and metal rivet 28. The moulded insulating container 10 is immersed in the transformer-oil which has access to the container interior through the restricted orifice provided for the catch 14. In modifications, the bimetal carries the main current and the change is effected by restricting the heating- coil effect either by using a saturable currenttransformer energizing the heating coil, Fig. 6 (not shown), or by diverting some current through a low-resistance shunt by means of a series relay, Fig. 7 (not shown).
Patent GB-1392342-A (GB)
Title: Universal buffer interface for computer controlled test systems
IPC: G01R31/319
Filed: 1972-03-20
Abstract: 1392342 Automatically-controlled electrical test systems WESTINGHOUSE ELECTRIC CORP 20 March 1972 [10 May 1971] 12879/72 Heading G1U An electrical test system controlled by a remote digital computer 10 comprises a test set 16 incorporating digitally programmable devices 50, 52 for applying stimuli to, and receiving stimuli from, the unit 60 under test, and an interface unit 17 between the test set and the computer, the interface unit having its own stores 54, 66 so that the test set only needs to tie up three of the input/ output channels 11 of the computer. Where the capacity of the system allows it, one set of three I/O channels may be linked to more than one interface unit, and one interface unit may control more than one test set. Interface Unit (Fig. 3) Instructions for the test stimulus devices 50 are received via the first I/O channel of the computer by a pulse shaper and amplifier 77 and are stored in a first set of registers 54. Test results from the test set (90) are stored in a second set of registers 66 for subsequent transmission to the third I/O channel. Control information is received from the second I/O channel of the computer, each word of the control information comprising: (i) station identifying information (applicable only when several interface units are coupled to the same three I/O channels), in response to which all interfaces except the one addressed will block (84, 85) reception of the rest of the word; (ii) register identifying information, which is held in the interface in a register address store 93 and which identifies which of the registers of the first and second sets 54, 66 is next to receive/transmit information; and (iii) timing signals, sensed by a receiver 99 to control the information receiving sequence. The interface also includes a control/ display panel 75, allowing manual insertion of addresses, instructions &c., and displaying current store contents. Test Set (16 Fig. 2) The test instructions stored in the register 54 control the selection and setting up of the stimulus and measurement devices 50, 52 (which may include e.g. power supplies, function generators, voltmeters, wave analyzers) and the establishing, by a switching matrix 63, of required connections between these devices and the terminals of the unit 60 test. Where the unit 60 is a digital circuit, provision is made for passing words stored in the register 50 directly to the circuit input terminals and for passing the signals at the circuit output terminals directly to the register 52.
Patent GB-567557-A (GB)
Title: Improvements in the production of sheet-metal structures particularly adapted for use in the construction of aircraft
IPC: B64C1/40
Filed: 1943-10-11
Abstract: 567,557. Making parts of aircraft &c. HELLIWELLS, Ltd., and RANSOM, J. Oct. 11, 1943, No. 12964. [Class 83 (ii)] [Also in Groups X and XXXIII] Sheet metal structures for aircraft construction &c. are formed from sheets a, b spaced by means of projections b<1> stamped from the sheet b during the curving thereof.. The sheets are connected at the points of contact by spotwelding or by rivets &c. The projections may be formed on the outer sheet, or on both sheets, in the latter case the projections may register or alternate. When projections are formed on the outer sheet, a fabric coating is employed to give a smooth finish or this effect may be achieved by coating with a non-inflammable cellulose paint that also fills the depressions. The space between the sheets may be filled with powdered cork for sound-deadening purposes. Specifications 564,650 and 565,681 are referred to.