baber/WOPTO huggingface dataset:
Patent GB-836688-A (GB)
Title: End seal for electrical heating elements
Inventor: STETSON WILLIAM CLARENCE
IPC: C04B37/02
Filed: 1958-07-28
Abstract: A ceramic mixture for insulating and sealing electrical elements, e.g. heating elements, consists of 20% to 30% kaolin, 20% to 30% silica, 30% to 40% zirconium silicate and a flux which preferably consists of 0,6% to 0,9%, by weight of the mixture, of sodium oxide, together with 2,4% to 3,2% of calcium oxide, and 3,8% to 5,6% of boron oxide (B2O3).  The mixture is shaped, pressed and set, e.g. by firing, before being assembled with electrical elements and bonded and sealed thereto by heating to a high temperature, e.g. 2000 DEG F.
Patent GB-987902-A (GB)
Title: A method of and apparatus for chemically transforming a gas in a state of flow
IPC: G10L21/00
Filed: 1961-07-05
Abstract: A continuous reaction is effected in a gas stream by an electric discharge at a point in the stream where the flow has been made supersonic and the pressure and temperature lowered by a substantially adiabatic expansion.  Various forms of apparatus for carrying out such a process are described.  The apparatus may be used for the production of ozone which is used to convert ethylene and tetramethyl-ethylene fed into the apparatus into the corresponding ozonides. On leaving the apparatus the ozonides are converted in the presence of water into formaldehyde and acetone respectively.ALSO:A continuous reaction is effected in a gas stream by an electric discharge at a point in the stream where the flow has been made supersonic and the pressure and temperature lowered by a substantially adiabatic expansion.  One form of apparatus, Fig. 1, comprises a supersonic nozzle 1, a pressure reducing chamber 17 for starting the action of the nozzle and a recompression chamber 13. Gas from an inlet pipe 6 passes along a cylindrical chamber 5 to a convergent part 2 of the nozzle 1 and then expands in a divergent part 4.  A hollow electrode 8 supported by insulators 9 and 10 in the chamber 5 produces a discharge at the outlet 7 of the nozzle 1.  The recompression chamber 13 comprises a convergent part 14, a cylindrical part 15 and a divergent part 16. This apparatus may be used for the production of acetylene and hydrogen from methane gas, or for the cracking of other hydrocarbons. An alternative form of apparatus is described in which the electrode 8 is extended to the part 16 of the chamber 13 and is closed at the end, but is provided with side vents for the injection of methane into the part 15 of the chamber 13.  Two discharges are set up, the first at the end of the nozzle 1 for producing ozone, and the second in the chamber 13 for partially oxidizing the methane. <PICT:0987902/C4-C5/1>
Patent GB-797238-A (GB)
Title: Sight glass, for observing liquid in a pipe
Inventor: MILNER DAVID WILLIAM
IPC: G01P13/00
Filed: 1956-08-08
Abstract: 797,238. Indicating liquid levels. YORKSHIRE TAR DISTILLERS, Ltd. Aug. 8, 1956, No. 24307/56. Class 123(1) In apparatus for the gravity separation of liquids wherein the lowermost of the separated liquids is run off through a sight glass through which the appearance of the upper liquid is observed, the sight glass has opposed windows 3, 4 between which is clamped an open-ended tube 5, of transparent material housing a shorter glass tube 6 having flat end walls 7, 8. The wall 8 abuts the window 4 whilst the wall 7 is spaced about 1/8th of an inch away from the window 3. Cut-away portions 9 at one end of the tube 5 admit the liquid past the end wall 7. Light from a source behind the sight glass passes through the window 4, the end walls 7, 8, a thin layer of liquid and the window 3 to the observer, the thin layer allowing sufficient light to be transmitted through dark coloured or nearly opaque liquids to enable the interface between such liquids to be readily seen.
Patent GB-423485-A (GB)
Title: Machine for cutting thin leaves, especially tobacco leaves, into narrow strips
IPC: A24B7/06
Filed: 1933-11-15
Abstract: 423,485. Cutting tobacco &c. UNIVERSELLE CIGARETTENMASCHINENFABRIK J. C. MULLER & CO., 48, Zwickauerstrasse Dresden, Germany. Nov. 15, 1933, No. 24340 /34. Divided out of and addition to 421, 627. [Class 5 (i)] [See also Group XXIV] A machine for cutting tobacco or the like as described in the parent Specification is provided with guide rollers or cylinders 28 to hold the ejector rings displaced by the cut material rigidly in position. Also, the wedge-shaped members 20 and balls 22 provided in the bore of each knife shaft are arranged inside a slotted tubular sleeve 27.
Patent GB-1283012-A (GB)
Title: Improvements in or relating to electrical signalling apparatus
IPC: G01R19/165
Filed: 1971-04-19
Abstract: 1283012 Measuring voltage HEWLETTPACKARD CO 19 April 1971 [5 March 1970] 24375/71 Heading G1U [Also in Division H3] Signalling apparatus comprises: a plurality of input lines; a reference line; a respective gate connected between each input and the reference line, so arranged that current will flow between the input at the most extreme potential and the reference line; and an indicator connected to each input to indicate its signal level. Each gate is of the form shown in Fig.2, has an associated input line connected to its terminal 10, has its terminal 34 connected to a common earth line, terminal 30 connected to a common supply line, and its terminal 32 connected to a common reference source. The apparatus is in the form of a unit, Fig. 3 (not shown), which may be connected to test a multi-outlet unit having a low potential outlet, a high potential outlet, and a number of logic outlets. When connected, each of the gates in the unit has its terminal 10 connected to a respective one of the outlet lines, and current will flow from the high potential line through diode 36 in its associated gate, through the unit supply connected between common terminals 30, 34, through diode 38 in the gate associated with the low potential line, and thus back to the low potential line. This current path energizes the threshold circuits 40, 42, 44 associated with all the other gates, which then compare the signals on their input terminals with the common reference signal on terminals 32, to energize an associated light emitting diode 16 in any gate where the input signal exceeds the reference signal. The diodes 16 are physically arranged in a pattern which bears a direct relationship to that of the conductors of the unit under test.
Patent GB-1080283-A (GB)
Title: Improvements in textile flyers
Inventor: MACKIE JOHN PRINGLE
IPC: D01H7/26
Filed: 1963-06-19
Abstract: 1,080,283. Textile flyers. JAMES MACKIE & SONS Ltd. June 2, 1964 [June 19, 1963], No. 24417/63. Heading DID. A textile flyer 1 comprises oppositely disposed legs 5, 6 each of thin, light metal and reinforced against radial displacement due to centrifugal action by a corrugation running therealong to form a groove 31 on one side and a rib 30 on the other. One or both edges of each leg may be shaped to extend radially to produce further stiffening and obviate the sharp leading edge of the flyer. As shown, the legs 5, 6 which define part of a tubular surface are riveted at 7 to a light alloy casting 4 to taper slightly inwardly towards their lower ends. In use, yarn 15 passes downwardly through the wharve 2, outwardly through a tube 17 to just inside the inner surface of leg 6, downwardly over wear-resisting inserts 14 in the leg 6, outwardly through a guide eye 18 defined by a wear resisting, e.g. ceramic, material and inwardly through a similar eye to the bobbin 21. Threading-up slots open into the guide eyes and a threading- up slot 22 is formed in the upper end of leg 6. In another form eye 18 is formed adjacent the trailing edge of leg 6 so that the yarn automatically slips therefrom if it is not passing through the lower eye; alternatively the eye 18 is replaced by a horizontal slot running inwardly of the trailing edge.
Patent GB-156877-A (GB)
Title: An improved apparatus for measuring predetermined quantities of liquids or solids
IPC: G01F11/20
Filed: 1919-10-07
Abstract: 156,877. Storey, R. J. Oct. 7, 1919. Moving-chamber apparatus; varying quantity measured in.-In apparatus for delivering measured volumes of liquids or solids, especially jam, of the type in which a rotor 5 in a cylindrical casing 1 receives the material at 19 and delivers it at 20, one end of the casing is adjustable along the axis in order to vary the quantity delivered. The rotor blades are provided with rubber or other flexible material 12 secured by plates 13 and projecting at the ends and sides of the blades to ensure a liquid tight joint with the periphery and ends of the casing. The movable end 8 of the latter is screwthreaded at 8<d> and is rotated to vary the capacity of the casing by means of a ring 9 provided with pins 11 loosely engaging holes 18 in the flange 8<1> of the end 8. The ring may be rotated by a tommy bar and where a pair of casings are used in conjunction as shown in Fig. 3, the rings and adjustable ends are locked by tightening up the stay bolt nuts 4. Means are described in the Provisional Specification for preventing leakage across the hub of the rotor, and consist of cupped rubber rings housed in recesses in the cylinder ends around the rotor shaft.
Patent GB-1349723-A (GB)
Title: Cyclic perfluoropolyethers
IPC: C09K5/02
Filed: 1971-04-19
Abstract: 1349723 Cyclic fluoroethsrs MONTECATINI EDISON SpA 19 April 1971 [12 March 1970] 24430/71 Heading C2C [Also in Division C5] Compounds of formula wherein a and b are 0 to 20 and a + b is 2 to 30 are prepared by thermal decomposition, in the absence of oxygen and of compounds capable of undergoing addition or transfer reaction with the free radicals formed, of a linear polyether of formula wherein the recurring units are randomly distributed along the polymeric chain, p and q are 1 to 150, p+q is 2 to 200, O is a peroxidic oxygen atom, s is 0 or 1 to 50 such that the ratio s : (p+q) is 0 to 0À5, p : q is 0À2 to 5 and the terminal groups A and B are -CF 3 , -C 2 F 5 , -CF 2 H, -COF, -CF 2 COF, -CF 2 COOH, -CF 2 CONH 2 , -CF 2 CONHR or CF 2 COOR groups in which R is a C 1-8  alkyl group. Exemplified products are perfluorodioxetane, perfluoro - 1,3 - dioxolane, perfluoro - 1,4 - dioxane, perfluorotrioxane, perfluorotrioxepane and perfluorotetroxocane. The products may be used as heat-exchange fluids, refrigerants, aerosol propellants, fire-extinguishing agents, solvents, lubricating oils and bases for greases.
Patent GB-1088355-A (GB)
Title: Electric snap switch
IPC: H01H5/04
Filed: 1965-06-10
Abstract: 1,088,355. Actuation of switches. HANS SIMON UNKEL G.m.b.H. June 10, 1965 [July 10, 1964], No. 24493/65. Heading H2B. A snap switch comprises an actuating stirrup 3 linked by a tension spring 4 to the free end of a generally U-shaped member of spring material having one end clamped and the free end carrying a ring contact. The stirrup 3 is pivoted at 5a, 5b and movement to one side or the other snaps over the moving contact. Stirrup 3 may be actuated by a screwed rod 13, Figs. 6, 7, 8 (not shown), the end of the stirrup fitting into a support 21 adjustable in position on rod 13 by a knurled nut 20. The position of pivots 5a is adjustable up or down by adjustment of rods 16, 17. Stops 18a, adjustable by adjusting rods 18, to limit the movement of stirrup 3 may be provided. The moving contact changes over between fixed contacts which, together with the clamped end of the U-shaped member, are held in an assembly of insulating blocks held together by screw 10. A number of stirrups and their associated U-shaped members and fixed contacts may be mounted in one assembly of blocks for conjoint operation by rod 13, Fig. 8. In a modification, Fig. 11 (not shown), the ends of stirrup 3 have an extension 3d beneath bearings 5a to limit the movement of the stirrup in one direction.
Patent GB-1164386-A (GB)
Title: Frequency Separation.
Inventor: SCARR ROBERT WALTER ALISTER
IPC: H04Q1/457
Filed: 1967-05-26
Abstract: 1,164,386. Automatic exchange systems; voice frequency signalling. STANDARD TELEPHONES & CABLES Ltd. 26 May, 1967, No. 24576/67. Headings H4K and H4R. To detect a frequency combination comprising one frequency from a higher frequency group and one from a lower frequency group each frequency is emphasized with respect to the other to obtain the frequencies in separate channels, the presence of such a frequency in each channel being determined by counting the number of zero-crossings or by measuring the distances between zero-crossing points. The arrangement is suited to production as a solid state circuit. The frequencies of one group are separated from the frequencies of the other group by attenuation of each group relative to the other. The separated signals may be amplitude limited before the zero-crossing patterns are investigated.
Patent GB-1461956-A (GB)
Title: Wood protectant
IPC: B27K3/36
Filed: 1974-06-04
Abstract: 1461956 Wood protectant BASF AG 4 June 1974 [5 June 1973] 24604/74 Heading A5E An antifungal composition for protecting wood comprises an aqueous solution of an alkali metal salt of N-nitroso-N-cyclohexylhydroxylamine and a short-chain diol or aqueous formaldehyde solution. The preferred diol is ethylene glycol and the composition is suitable for incorporation in phenolic resin wood glues.
Patent GB-246580-A (GB)
Abstract: 246,580. Bethell, G. M. Oct. 30, 1924. Counting-apparatus with variable-step move. ment.-In a ticket-printing and issuing machine the value of the tickets issued is shown by a counter 127 which is actuated by gearing 139, 140 from a square shaft 134. A sliding pinion 133 on this shaft is arranged to mesh with a gear 142 on the shaft 143. The gear 142 has teeth of different lengths, and the pinion 133 is carried by an arm on a nut 132 which is positioned according to the value of the ticket issued by a screw 131 on a shaft 130. A stop pin 138 is provided to limit the movement of the nut.
Patent GB-693583-A (GB)
Title: Method of and means for measuring the width of electrically insulating material in sheet or web form
IPC: G01B7/04
Filed: 1950-10-11
Abstract: 693,583. Electric indicating systems. FIRESTONE TYRE & RUBBER CO., Ltd., and COLLINS, J. B. Sept. 18, 1951 [Oct. 11, 1950]. No. 24821/50. Class 40 (i). The width of a moving insulating strip 11, e.g. calendered tire ply stock is measured by passing it over a conducting drum 10 associated with two banks 12 of roller contacts disposed one adjacent each edge of the strip. Each bank consists of a series of roller contacts arranged in staggered formation and closely but equi-spaced laterally of the strip, Figs. 2, 3 (not shown). The rollers are gravity urged into contact with the drum and function therewith as switches which are opened when the insulated strip extends therebetween. The number of "open" switches is thus a function of the strip width. Each switch when opened may function to insert a resistance in a circuit directly, but preferably each switch 10, 12 when opened de-energizes an associated relay 45, Fig. 4, to connect a resistor 52 across battery fed lines 48, 49. The current flow in the line thus corresponds to the number of " open switches and hence to the strip width and is indicated by ammeters 72, 73 one of which is calibrated in strip width. The relays 45 are fed from an A.C. source 30, 31 after rectification at 37 and smoothing at 75, and the battery voltage is stabilized by a trickle charger rectifier 61 the charging current being automatically controlled by a carbon pile regulator 69.
Patent GB-1456417-A (GB)
Title: Differentials separation process using zeolite a with properties
IPC: F16H48/22
Filed: 1974-06-05
Abstract: 1456417 Differential gear; positive clutches EATON CORP 5 June 1974 [12 June 1973] 24862/74 Heading F2C and F2D A facially toothed positive clutch 116, 118, for locking one side wheel 18 to the input shaft 14 of an inter-axle or other differential gear 10, is engaged in response to relative acceleration between the side-wheel 18 and shaft 14, acting on an inertia mass 164, rotated in a radially offset cavity 162 in a part 72 of the side wheel 18, by relative rotation between the wheel 18 and shaft 14, transmitted to the mass 164 through a speedincreasing train comprising a claw clutch element 83, splined to the shaft 14, and having gear teeth 104 meshing a wheel 130 on a parallel shaft 120, driving the mass through a friction coned slip coupling 140 and wheel pair 146, 174. The inertia mass opposes the relative rotational acceleration, causing inclined facial recesses 106 on the clutch element 83 to ride up spherically faced pins 98 on an axially fixed end plate 82, thereby shifting the clutch element 83 axially rightwards to engage facial clutch teeth 116 on the element 83 with teeth 118 on the side-wheel part 72, thus locking the differential until the relative acceleration ceases, whereupon a wavy spring 114 disengages the clutch.
Patent GB-1000844-A (GB)
Title: Improvements in and relating to toys
IPC: A63H17/44
Filed: 1964-06-16
Abstract: 1,000,844. Model vehicles. J. EINFALT, and A. EINFALT, [trading as EINFALT BLECHSPIELWARENFABRIK GEB.]. June 16,1964 [Feb. 22,1964], No. 24921/64. Heading A6S. A toy comprises a multi-storey car park c with a roadway b joining the top and bottom thereof. In the embodiment a lift cage e is raised by an arm f under the influence of a crank h operated by a spring motor i which is stopped and started by a lever control l. Until the arm f is in the down position ready to receive a car, i.e. when the lift is down again, cars are prevented from entering by a stop m<SP>1</SP> on a lever p pivoted at o. When the lift reaches the down position it presses the end m of lever p down to withdraw stop m<SP>1</SP> and allow a car to enter. If a second car also awaits entry it is held back by a stop p<SP>1</SP> until the lift has gone up again. A similar lever q at the top part of the track prevents cars leaving other than singly. In this case downward pressure on a ramp r<SP>2</SP> by a car coming out releases a previous car held back by a stop r<SP>1</SP>.
Patent GB-813134-A (GB)
Title: Improvements in or relating to fused salt baths
Inventor: HEWSON ROBERT LESLIE
IPC: C21D1/46
Filed: 1956-08-15
Abstract: A fused salt bath for the heat-treatment of high-speed steels and hot-die steels comprises alkaline-earth metal halide and 0.25-5 per cent of a regenerator which is magnesium borate with or without silicon and/or silica.  The bath may also contain up to 5 per cent of alkali metal halide such as chloride or fluoride. The alkaline-earth metal halide disclosed is barium chloride, and the magnesium borate may be the ortho-, meta- or pyro-compound. The following steel compositions are given, the remainder being iron in each case:- <TABS:0813134/II/1>
Patent GB-788544-A (GB)
Title: Improvements in or relating to transmitting magnetic compass systems
Inventor: TURNER PETER JAMES ASPINALL
IPC: G01C17/26
Filed: 1954-08-27
Abstract: 788.544. Electric correspondence control. KELVIN & HUGHES, Ltd. Aug. 23, 1955 [Aug. 27, 1954], No. 25006/54. Class 40 (1). A transmitting compass system comprises a magnetic compass needle 9, with a ring 5 of magnetic material mounted in its field so as to be rotatable relative to the compass housing 8 about an axis passing through the needle pivot, means including primary and secondary windings on the ring for generating a voltage dependent on the angular position of the ring relative to said field, means for using this voltage to drive the ring to a fixed position relative to the field and means for transmitting movement of the ring relative to the housing to at least one remote point. The laminated mu-metal ring 5 carries a toroidal primary winding supplied with a 800 c/s. signal from oscillator 15 (Fig. 3) via slip rings 6, and a pair of secondary windings arranged symmetrically at the ends of a ring diameter and connected in series opposition. The resultant 1600 c/s. signal therefrom, depending in phase and amplitude on the sense and magnitude of angular displacement of the ring relative to the field, is supplied through slip rings 6 to an amplifier and phase discriminator 15, the D.C. output of which operates a reversible motor 16 to drive the ring to a null position in the field via flexible cable 17 and the reduction gearing shown. Compass housing 8 is mounted on gimbals in binnacle 20 and the motor 16 is mounted on a balanced bearing 18 pivotally mounted on binnacle platform 19 so that they are both unaffected by motion of the ship. Motion of the ring is communicated to remote points by means of a rotary switch type step-by-step transmitter 26 driven by spur gear 23. Specification 586,506 is referred to.
Patent GB-710246-A (GB)
Title: Improvements in overload release devices for driving shafts
Inventor: SHICKLE HARRY THOMAS
IPC: A01B33/08
Filed: 1952-10-07
Abstract: 710,246. Overload -release clutches. MONRO, Ltd., G. Oct. 7, 1952, No. 25134/52. Class 80 (2) An overload-release clutch between a powerdriven shaft 1 and a loose eccentric or other member 2 driving an agricultural implement comprises a cross-pin 3 of circular section fixed through the shaft 1 and co-operating with a pair of arcuate recesses 6 in the adjacent face of member 2 which latter is pressed axially by a spring 4 encircling the shaft and abutting against a nut 7 adjustably screwed on the end of the shaft.
Patent GB-900926-A (GB)
Title: Improvements in machines for washing bottles
IPC: B08B9/42
Filed: 1960-07-19
Abstract: 900,926. Bottle-washing machines. KUSUMOTO, H. July 19, 1960 [Dec. 19, 1959], No. 25182/60. Class 138 (1). [Also in Group XXX] Bottles A, Fig. 1, are fed from a table 4 to holders B on an intermittently driven conveyer 6 and carried through a chamber 31 in which hot water is sprayed into the bottles by nozzles 9, and thence through hot water tanks 32, 33 to be sprayed subsequently with caustic soda solution by nozzles 10, and then immersed in hot water in a tank 34. After leaving the tank 34 the bottles are cleaned externally by brushes 11 and 11a and hot water sprays 12, 14a and interrally by brushes 13 and a hot water spray 14. Finally, the bottles are sterilized by jets of chlorinated water from nozzles 15, 15a before being discharged by a push-rod 7 on to a conveyer 8. The chain conveyer 6 is driven intermittently by ratchet wheels 48, Figs. 2 and 4, on the shaft 49 of the chaindriving wheels 50. Rocking arms 46 carrying pawls 47 operating  the ratchet wheels 48 are coupled by connecting rods 45 to crank discs 44, 44a, respectively. The disc 44a is secured integrally to a gear-wheel 41 operatively connected to a motor M through variable speed belt pulleys 35, 36, a worm 37 and worm wheel 38, a shaft 30, and gears 39, 40. The intermittent movements of the conveyer 6 are variable in stroke by the adjustment of cams 52 which disengage the pawls 47 from the ratchet wheels 48. The shaft 30 also drives through gears 29, 28, cam 20, lever 60, and connecting rod 61, a shaft 63 carrying a lever 62 which operates, through crank arms 66, 67, mechanism for respectively reciprocating push-up rods 16 to lift the bottles A into engagement with the brushes 11, and reciprocating the brushes 13.