baber/WOPTO huggingface dataset:
Patent GB-936227-A (GB)
Title: Improvements in or relating to lifts
Inventor: STEWART JOHN
IPC: B66B9/187
Filed: 1959-11-16
Abstract: 936,227. Lifts; extensible tower cranes. A.C.E. MACHINERY Ltd. Nov. 7, 1960 [Nov. 16, 1959], No. 38786/59. Classes 78 (3) and 78 (4). In a lift for use on building sites comprising a tower formed of superimposed braced sections 1 and enclosing the lift cage 6 and hoisting ropes 7, to avoid re-reeving the hoisting ropes when further sections 1 are added to the tower, surplus rope is stored on the top of the cage by spools 18, Fig. 5, the four ropes 7 being led to their spools by sets of pulleys 19, 20. The cage is guided by rubber tyred wheels 17 running on square-section guides 15. Landing gate frames 3 are fixed into the face of the tower, adjustable bracing members 4 being provided. Locking devices for cage and shaft gates.-At each landing, the landing gate is locked closed by the engagement of a pivoted locking arm 22 in a notch in a bolt 23 on the gate, and the gate is released when a ramp 24 on the cage engages the arm 22, the movement of the arm being limited by a stop 28. When the arm 22 engages this stop, further movement of the cage causes the ramp 24 to move on links 25 against a resident loading, thereby rotating a locking- arm 26 to release a locking-bolt 27 on the cage gate. Cranes.-A jib crane 29 may be mounted on the top of the tower during erection of the tower, the jib being luffable into a substantially vertical position so that the tower can be extended round the crane. The crane is raised to the top of a tower section which has been erected around it by an hydraulic ram acting between the base 33 of the crane and a follower beam, Fig. 8 (not shown). The crane is guided during its vertical movement by rollers 35 engaging the guides 15.
Patent GB-1431885-A (GB)
Title: Circuit arrangements for pal colour television receivers
IPC: H04N9/465
Filed: 1972-08-19
Abstract: 1431885 Colour television EMI Ltd 30 July 1973 [19 Aug 1972] 38786/72 Heading H4F In a PAL system receiver, the phase of operation of the PAL switch 12 (as randomly determined by bi-stable 10, Fig. 1, triggered by line pulses 9), feeding the output of local subcarrier oscillator 7 to (R - Y) demodulator 6, directly and via a 180 degree phase shift 14 on alternate lines with reference to the line alternation of the (R - Y) colour burst phase, is made unimportant by using the same control over gating selected ones of the colour bursts to synchronize the oscillator as is used to control the said phase of switch operation. Thus if the upper stage of bi-stable 10 is in state 1, and gate 11 accordingly opens when the (R - Y) burst is leading the (R - Y) carrier by 45 degrees, e.g. on lines n, n+2, n+4, Fig. 2(a), then oscillator 7 will have its phase locked to that of the bursts. Switch 8 couples to terminal 12 and applies the subcarrier in phase with the gated bursts to modulator 6, during the lines n, n + 3, n+4, and couples to terminal 12 and the 180 degree phase shifted subcarrier during the intervening lines n + 1, n + 3. The phase of the demodulating (R - Y) subcarrier signal is thus 45 degrees in advance of the phase of the (R - Y) signal. If however the upper stage of bi-stable 10 is in state 1 when the (R - Y) burst is lagging the (R - Y) carrier by 45 degrees (Fig. 2(b)) then the phase of the demodulating (R - Y) subcarriers signal will be 45 degrees behind the phase of the (R - Y) signal. The phase of the (R - Y) subcarrier is thus always 45 degrees leading or lagging the (R - Y) subcarrier irrespective of the phase of switching of the PAL switch.
Patent GB-1048240-A (GB)
Title: Electric lighting fittings
IPC: F21V21/03
Filed: 1964-09-23
Abstract: 1,048,240. Electric lighting fittings. CORNING GLASS WORKS. Sept. 23, 1964 [Sept. 30, 1963], No. 38791/64. Heading F4R. An electric lighting fitting comprises an adapter 10, having a base 11 for insertion into the socket of a lighting fixture 12 and a socket 13 to receive an electric light bulb 14, and a collar 18 which extends from the adapter to surround the base and is adapted to enclose the fixture 12. The collar is maintained in contact with a ceiling 19 by springs 20 which bear against the adapter, and a transparent envelope 17 is supported on the adapter by arms 15 which are rotatable by means of tabs 16 (not shown).
Patent GB-1155796-A (GB)
Title: Improvements in or relating to Frequency Modulated Circuits
Inventor: RADCLIFFE STUART NORMAN
IPC: H03C3/22
Filed: 1967-08-23
Abstract: 1,155,796. Frequency modulation; transistor oscillating and negative impedance circuits. MARCONI CO. Ltd. 26 April, 1968 [23 Aug., 1967], No. 38901/67. Headings H3R and H3T. A frequency modulated circuit comprises an anti-resonant circuit including a main inductance 3 and a main capacitance, i.e. capacitors 5, 6 in series, in parallel; means for maintaining the anti-resonant circuit in oscillation; a shunt arm connected across the anti-resonant circuit and including at least one varactor diode 1 in series with an inductor 2; means for generating and applying negative resistance across a portion of the shunt arm to reduce or eliminate varying loss which would otherwise occur in consequence of variation of varactor diode bias; and means for applying modulating and bias potentials to the varactor diode or diodes. As shown, the means for maintaining oscillation comprises a transistor 11 with its collector connected to the common point of capacitors 5, 6 and its base back-coupled to the inductor 3 via coupling winding 4. The negative resistance is provided by a transistor 13 having its collector coupled across inductor 2 and its emitter coupled to a tap 21 on the inductor via resistors 19, 20, the latter being adjustable to control the value of negative resistance provided: adjustment can be made such that any amplitude modulation is eliminated. Modulation is applied to the varactor diode 1, which is of inverse square root capacitance/voltage law, via terminal 13 and a D.C. blocking capacitor, a static bias being applied via terminal 14 and resistor 15. Variation of capacitance from diode to diode may be eliminated by using two diodes.
Patent GB-1526078-A (GB)
Title: Reciprocating machines
IPC: F01B3/00
Filed: 1975-09-24
Abstract: 1526078 Reciprocating pumps and motors MONO PUMPS Ltd 23 Sept 1976 [24 Sept 1975]  39054/75 Heading F1A [Also in Division F2] In a swash-plate pump, motor or I.C. engine comprising a cylinder block 1 with axial pistons 9 engaging a swash-plate 8 of fixed or adjustable inclination, hydrostatic bearing - forming recesses 11b, 13a and 14a are provided on the pistons for supporting slippers 11 and contacting the cylinder bores, and recesses 19, 21 are provided on the housing and swash-plate, for supporting the cylinder block, which as shown is rotatable but may alternatively be stationary, the swash-plate then being rotatable. Liquid is supplied to the bearing recesses either from the working chambers or from a separate source. Slippers 11 are supported hydrostatically on swash-plate 8 by liquid entering the slippers from recesses 11b via apertures 11a. A ring 23 with seals 24, 25 and 26 supports cylinder block 1 and its replaceable wear plate 28 against housing 6 and ported distributing valve member 3. In Fig. 3 (not shown), ring 23 is replaced by a hydrostatic bearing arrangement on a flange (57) of the cylinder block, and piston springs 10 are replaced by applying working liquid pressure to a stepped surface (9a) of each piston via a check value (52) and passage (53) in the drive-shaft (4).
Patent GB-879553-A (GB)
Title: Hollow headed golf putter
IPC: A63B53/02
Filed: 1959-11-18
Abstract: 879,553. Golf-clubs. GIZA, E. S. Nov. 18. 1959 [Nov. 18, 1958; Sept. 4, 1959], No. 39067/59. Class 132(2). A putter head is formed as a loop such that the striking face is spaced from the rear of the head and the head is symmetrical about a vertical plane which contains the point of contact with the ball and is perpendicular to the striking face. As shown in Fig. 1, a band of spring steel is bent to the shape shown to form the striking face 12, curved ends 14, 16 6 and rear wall portions 18, 20 which are joined by welding thereto within the loop a block 22 one inclined face 30 of which has a bore to receive the shaft 8 e.g. by screw threads. Sighting is aided by an arrow 26 on the block and a notch 28 at the centre of the upper edge of the face 12. As shown in Fig. 4, the block has two oppositely inclined bores 24, 36 and a vertical bore 34 so that the shaft can be connected for use by left- and right-handed players or vertically. The loop of Fig. 4 is differently shaped from that of Fig. 1. As shown in Fig. 6, the head is cast with a thin striking surface 48 separated by a slot 50 from a rear block 48 which carries the shaft 56 either by a socket 58 or by a selected threaded bore. The rear block may have vertical apertures to reduce the weight or to receive weights. In front elevation, the head may be rectangular or have convex upper and lower boundaries.
Patent GB-887796-A (GB)
Title: Process for clarifying beverages
IPC: C12H1/00
Filed: 1958-12-05
Abstract: The Specification discloses a method for preparing N-vinyl-2-oxazolidinone polymers: 50 g. pure N-vinyl-5-ethyl-2-oxazolidinone, 50 g. pure N-vinyl-5-methyl-2-oxazolidinone, 1 g. a ,a 1-azobis -isobutyronitrile and 500 g. of dry ethanol were heated under reflux at 78 DEG C. for 10 hours; at least 98% conversion of monomers to copolymer product was achieved.  The copolymeric product, which contained about equal weight proportions of the polymerized monomers, was isolated in dry diethyl ether as a white powder having a density of about 1,24 g. per c.c., a molecular weight p  of about 13,000 and a "cloud" point in water of 26 DEG C.ALSO:Beverages, such as beer, spirits, wine, tea and fruit juice, are clarified and stabilized against hazing by adding sufficient of an N-vinyl-2-oxazolidinone polymer to coagulate and precipitate the haze-inducing ingredients and, if desired, the precipitate formed is removed, as by filtration. Poly-N-vinyl-2-oxazolidinone, poly - N - vinyl - 5 - ethyl - 2 - oxazolidinone, poly - N - vinyl - 5 - methyl - 2 - oxazolidinone and copolymers of N-vinyl-5-ethyl-2-oxazolidinone and N - vinyl - 5 - methyl - 2 - oxazolidinone containing at least about 1% of either monomer and preferably 60-80% of the ethyl monomer are suitable.  A proportion of 0.001 to 1%, preferably 0.001 to 0.02%, of the polymer or copolymer is added to the beverage; with beer, the addition can be made when the beer is being racked down from the fermenters, during storage, or in the mashing stage.  Although the treatment may be accomplished at any moderate temperature, in cases where heating of the beverage to temperatures in excess of chilling temperatures is undesirable, e.g. with beer, the beverage is treated at a temperature beneath the cloud-point of the polymer or copolymer, which can be in the range of below 4 DEG  C. up to 40 DEG  C., and thereafter the beverage is warmed to a temperature above the cloud-point.  Examples are directed to the clarification of apple juice, raw and finished beer, wine, sweetened grape juice and prune juice; the results of some examples are depicted graphically, Figs. 1 to 4 (not shown).
Patent GB-1154871-A (GB)
Title: Improvements in or relating to Shoe Upper Conforming Machines
IPC: A43D21/12
Filed: 1966-09-02
Abstract: 1,154,871. Boots &c. BRITISH UNITED SHOE MACHINERY CO. Ltd. 2 Sept., 1966 [3 Sept., 1965], No. 39257/66. Heading A3B. A lasting machine includes a resilient band 56 which extends between the legs 58, 59 of a bracket 60 and which, when moved towards the last L, contacts the upper adjacent the top line to clamp the upper against the last and then wraps the upper about the last and presses the lasting margin against the insole. As described the lasting device lasts the shank portion of the shoe and is incorporated in a lasting machine of the type described in Specification 1,087,975, the device being carried by a plate 44 mounted on the slide carrying the ball wipers, the lengthwise position of the lasting device being automatically adjusted by the movement of the heel clamp as described in the above mentioned Specification. The bracket 60 is connected by a ball joint 70 to the piston rod 34 of an air motor 36. The air motor 36 is pivoted at 40 to a bracket 38 on the plate 44 and is supported resiliently by a spring 52 against stop nuts 54. The bracket 60 has pads 62, 64 which underlie the band 56. In operation when the air motor 36 is actuated the pad 62 and band 56 contacts the upper in the region of the top line (Fig. 3), further movement of the piston rod 34 causing the bracket to rock so that the band 56 progressivly wraps the upper around the last and finally presses the lasting margin against the last bottom (Fig. 4). During the rocking movement of the bracket 60 the air motor 36 turns about pivot 40 against the action of the spring 52 and the ball joint 70 allows limited lengthwise tilting of the bracket 60 so that the band 56 follows the lengthwise contour of the last.
Patent GB-1149095-A (GB)
Title: Improvements in or relating to spray guns
IPC: B05B7/08
Filed: 1966-09-02
Abstract: 1,149,095. Spray-producers. AUTOMATION INDUSTRIELLE S.A. 2 Sept., 1966 [3 Sept., 1965], No. 39270/66. Heading B2F. A gun suitable for spraying paint comprises a valve 27 which cooperates with a hard resilient seating 12 so as to control the flow of paint from an inlet 2 into a duct 11, said valve being connected to the stem of a piston 29, a head 42 on the piston supporting an annular rubber gasket 43, which contacts the surface 44 of a cylinder 30, and a rearward extension 45 connected to the piston and guided in a bush 46. The valve is loaded into the closed position by a spring 49. A deformable bronze tube 32 divides the portion of the cylinder between the piston and the valve into two concentric sealed chambers 33, 34. Compressed air passing through an inlet 3 enters the chamber 34, forces the lip 43a of the gasket into contact with the cylinder, and lifts the piston and the valve, whereby paint is delivered through a nozzle 14 on the end of the duct 11. A portion of the admitted air passes through a duct 17 and is discharged concentrically with respect to the nozzle 14 and a further portion passes through a tube 22 and is discharged through an auxiliary air nozzle 21. An adjustable stop 51 limits the valve lift and a screw 24 may be moved to alter the air flow through the nozzle 21. A modified nozzle structure suitable for coating can interiors is depicted in Fig. 3 (not shown) and Figs. 4 and 5 (not shown) depict a further nozzle structure in which a manually operable notched valve (79) is located in the auxiliary air nozzle.
Patent GB-1048247-A (GB)
Title: Improvements in or relating to electric razors
IPC: B26B19/04
Filed: 1963-10-07
Abstract: 1,048,247. Electric razors. R. W. THOMSON. Dec. 31, 1964 [Oct. 7, 1963], No. 39379/63. Heading B4B. In an electric razor in which a cutter is pressed against a guard by a leaf spring 1, a tag 2 is fitted to one end of the spring to enable the cutter to be removed for cleaning. The other end of the spring has an integral extension 3 to hold the cutter more securely in position.
Patent GB-332876-A (GB)
IPC: B31B17/60
Filed: 1929-12-24
Abstract: 332,876. Universelle Cigarettenmaschinen Fabrik J. C. M³ller & Co. Dec. 24, 1928, [Convention date]. Apparatus for making necked or shouldered boxes. Two box parts with neck inserts are formed at the same time on a single former which preferably has an encircling projection or rib 6 against the sides of which the neck strips abut. The two gummed neck strips 1 are laid parallel to each other on the side flaps 3 of the pair of box blanks 4, the space x between the neck strips being equal to the width of the rib 6 on the former 5 which is forced against the neck strips by a plunger 7 which folds the strips about the sides of the former. The neck strips and blanks are then pressed against a die 8 and the parts are carried by the plunger and die through a shaping channel 2 where the blanks are folded against the former and the side flaps against the neck strips. 'The former and box assemblies are now opposite a channel 10, and a sliding finger 13 folds down the end of the neck strips at the left while a plunger 11 pushes the former &c. into the channel 10 where the remaining projecting ends of the neck strips are folded down by a projection 14 and the side flaps 3<1> of the box blanks are folded against the neck strips. The channel 10 may be heated to ensure effective adhesion of the neck strips to the side flaps of the box parts. In another arrangement the neck strips are laid around the former which is pushed through a channel to a position over one of the box blanks where the former is engaged by a plunger and pushed with the box blank through a shaping channel where the box blank is folded around the former on to one of the neck strips. The former is then pushed under the second box blank and a plunger engages it and pushes it with the blank into a second forming channel where the blank is folded around the former on to the other neck strip.
Patent GB-964279-A (GB)
Title: Improvements in sowing-machine seed distributing boxes
IPC: A01C7/12
Filed: 1961-11-03
Abstract: 964,279. Seed-sowing machines. USINES EDOUARD DE SAINT-HUBERT. Nov. 3, 1961 [Nov. 4, 1960], No. 39495/61. Heading A1D. A seed sowing machine comprises a shaft 3 on which are mounted a cylinder 7 with deep grooves 10 for large or medium sized seed and a cylinder 8 with shallow grooves 11 for small seeds, one or other of the cylinders being arranged to project into a box 1 through apertures in the side for the purpose of distributing seed, each cylinder being provided with a comb 18 or 19 which can be held against the corresponding wall of the box to prevent escape of seed. As shown the cylinders are fixed to the shaft 3 which is movable laterally and are separated by a non-rotatable closure device 4 having a lip 5 which co-operates with an adjustable base 17.
Patent GB-1104259-A (GB)
Title: Improvements in or relating to the heat-treatment of tool steels
IPC: C22C29/06
Filed: 1966-09-05
Abstract: A method for heat treating a tool steel containing 30-60% by volume of primary carbide grains (at least half of which is TiC) the balance being a steel matrix containing .C.0.3 - 0.8% .Cr.1 - 6% .Mo.0.3 - 6% .Fe.balance comprises completely austenitizing it at above 870 DEG C. quenching to an austenite bay soaking temperature below 650 DEG C. (e.g. 500-565 DEG C.) holding at this temperature for sufficient time for the temperature of the tool steel to become uniform and then rapidly cooling to room temperature. The tool steel is preferably made by powder metallurgy the first quenching may be in a salt bath and the final rapid cooling in warm oil.
Patent GB-934885-A (GB)
Title: Improvements in or relating to cartons
Inventor: MOSSE RICHARD WOLFGANG EMIL
IPC: B65D5/56
Filed: 1960-11-18
Abstract: 934,885. Cartons. METAL BOX CO. Ltd. Oct. 16, 1961 [Nov. 18, 1960], No. 39825/60. Class 18. A single blank is folded up to form a lidded tray-like carton with sides 5, 6, 7 and 8 joined by gusset folds, the reverse side of the blank in Fig. 1, which forms the interior of the carton is coated with thermoplastic material and the opposite face 2 of which is coated with varnish, shown as a hatched region, except in those regions thereof which in the set up carton are engaged by and heat sealed to portions of said thermoplastic coated face.
Patent GB-860912-A (GB)
Title: Vacuum pump
IPC: F04C27/02
Filed: 1959-11-25
Abstract: 860,912. Rotary pumps. PRECISION SCIENTIFIC CO. Nov. 23, 1959 [Dec. 2, 1958], No. 40107/59. Class 110 (2). In a vacuum pump, particularly a rotary vane pump, the exhaust port 78 is provided with a check-valve comprising an upper leafspring 102, a parallel lower leaf-spring 101 having an opening centred with respect to the port 78, the spring 101 being spaced, in unflexed condition, slightly from the seat surrounding the port 78, and means maintaining a shallow oil bath in which the springs work during the operation of the pump. A cushioning and sealing member 110 is arranged between the springs and is riveted at 111 to the top one. The springs are secured by a bolt 103 which, with a bolt 125, secures a tray 120 in position, so that although the normal oil level is at 113, sucking of oil back, through the pump when the latter is stopped whilst connected to an evacuated space, ceases when the oil level drops below the rim 122. When, during pumping, the pressure in the port 78 drops, the springs flex downwardly and seal the port after some oil has passed backwards into the pump. When the pressure in the port rises, during ejection of air, the springs and member 110 rise as a unit until the seal between the member 110 and the lower spring breaks, when the lower spring returns to its unflexed position, to be followed by the upper spring. Some of the oil is blown back into the bath. A pump of two stages 40, 60 has stators 41, 61 and eccentrically mounted rotors 43, 63 with radial slots in which diametricallyopposed vanes 45, 46 and 65, 66 are pressed outwardly against the stator bores 42, 62. The stators, rotors, and a central dividing wall 80, are held together by bolts 91-95, so that the inlet port of the second stage 60 is connected by a transfer port in the wall 80 with the outlet port of the first stage 40. The inlet and exhaust passages 53, 57 in the stator 41, of the first stage, open into tapering recesses 51, 52 and 55, 56 which conduct the air and receive accumulations of oil when starting after an idle period: The second stage stator is similarly recessed. Oil which is sucked into the second stage through the port 78 has access to a space 86 housing the axial positioning washer 84 of the rotor shaft 30 and passes through a port 88 in the wall 80 to a similar space 85 housing another positioning washer 83. Oil is thus available for lubricating the first stage and excess oil passes through the air admission port in the wall 15 to a collecting space 126 which also receives the oil sucked back when the pump is stopped. A drain 130 is provided, and the spaces 85, 86 are connected to the transfer port between the stages by grooves in the opposite faces of the wall 80. A shield 131 prevents oil from being blown out past the vent cap 22. Additional stages may be provided on the pump.
Patent GB-1304117-A (GB)
IPC: G01N27/36
Filed: 1971-08-27
Abstract: 1304117 Electro-chemical analysis PFAUDLER-WERKE A G 27 Aug 1971 [5 July 1971] 40351/71 Heading G1N [Also in Division C1] In a glass electrode the ion sensitive glass is fused as a glass-enamel topcoat on to an enamel undercoat on a metallic support. The enamel undercoat may be conducting so that the metal support acts as lead, Fig.2. Two different types of ion sensitive glass 4a, 4b may be fused on to a single insulating undercoat with fused in leads 5, 6, to provide a concentration dependent voltage. Alternatively two different types of ions may be measured simultaneously using a conventional reference electrode. Fig.3, provides a compound electrode with two different glasses 4 on insulating undercoats 2 on steel supports 1, la, with a ground-glass ring 11 between the base parts to provide a liquid junction between the sample and reference electrolyte 9.
Patent GB-861647-A (GB)
Title: Improvements in gas meters
Inventor: ALEXANDER ARTHUR
IPC: F16C35/02
Filed: 1958-12-15
Abstract: 861,647. Cylindrical journal bearings. PARKINSON COWAN Ltd. Dec. 7, 1959 [Dec. 15, 1958], No. 40423/58. Class 12 (1). A shaft 10 of a gas meter is journalled in bearings 2 each comprising a sleeve 4 having a cylindrical inner surface, an outwardly turned flange 8 at one end thereof, and a projection 6 on its outer surface which prevents rotation of the bearing when it is mounted in the end plate 12 or 14. The bearings are located axially by members 16, 18 which are secured to the shaft 10 by split pins 20. In a modification, a bearing 22, Fig. 3, is moulded in position on its associated member 30 and comprises a flange 28 at each end of a sleeve portion 24 having a projection 26 on its outer surface. The bearing may be split axially at one or two points on its periphery.