baber/WOPTO huggingface dataset:
Patent GB-128517-A (GB)
Title: A Machine for Trimming Mine Timbers.
Inventor: MAES ALEXANDRE
IPC: B27C5/00
Filed: 1919-01-28
Abstract: 128,517. Maes, A. Jan. 28, 1919. Making mine timbers; planing; cutter heads.- The ends of mine timbers are tapered by inserting them between a pair of rotating cutter heads A, B until arrested by an adjustable stop I, the timber being rotated by hand if a conical end is required. A smaller cutter head E serves to form a semicircular recess in the heads of the timbers. The cutter heads are formed hollow, as shown in Fig. 3, and are arranged on vertical spindles so that the shavings pass to the interior and then fall out. The three cutter spindles are geared together and to a motor G.
Patent GB-1504442-A (GB)
Title: Naphthyl derivatives
IPC: C07C33/28
Filed: 1976-11-25
Abstract: 1504442 Naphthalene derivatives BEECHAM GROUP Ltd 25 Nov 1976 [21 Jan 1976] 02275/76 Heading C2C Novel compounds I in which A is -CH(R 1 )-CH 2 - or where R 1  is H or CH 3 , and B is -CO- or -CH(OH)-, are prepared by (a) reacting a compound II in which X is Cl or Br, with a methyl metal compound and thereafter, if desired, reducing the -CO- group to a -CH(OH)- group, or (b) for compounds I in which B is -CO-, by reacting a compound III in which Q is -CH 2 - or -CH(CH 3 )-, with a base under anhydrous conditions, or (c) for compounds I in which A is -CH=CH-, by reacting 6 - methyl - 2 - naphthaldehyde with acetone in the presence of a base or with a Wittig reagent of formula Q 1 =CH-B-CH 3  where Q is a trisubstituted phosphorus atom. 2 - Bromomethyl - 6 - methylnaphthalene is prepared by reacting 2,6-dimethylnaphthalene with bromine. Pharmaceutical compositions having antiinflammatory activity for oral, parenteral, topical or rectal administration, comprise a compound I together with a pharmaceutical carrier.
Patent GB-505934-A (GB)
Title: Improved process of and means for obtaining glass-fibres
IPC: C03B37/05
Filed: 1938-01-24
Abstract: 505,934. Making glass fibres. VETROCOKE. Jan. 24, 1938, No. 2292. Convention date, Feb. 5, 1937. [Class 56] In the manufacture of 'glass fibres, the molten material flows through electrically heated orifices 5, one or more of which can be plugged at will, past a cooling device 9 and burners 8 onto a rotary member 10 adjustably mounted on a movable carriage. The member 10 subdivides the streams into fine threads and throws them onto a conveyer (not shown). The quality and quantity of the product may be adjusted by varying the effective number and temperature of the orifices 5 and the position speed and design of the rotary member 10 which may have one or more straight or curved arms in the same or different planes. Several designs of this member are given, Figs. 4 to 7, (not shown). The whole apparatus is enclosed in a chamber which is kept at a suitable temperature by burners, fans or other means.
Patent GB-228548-A (GB)
IPC: F16H1/32
Filed: 1925-01-27
Abstract: 228,548. B³ttner, M. Jan. 28, 1924, [Convention date]. Reversing gearing; variable-speed gearing.- Reducing gearing comprises a ring of pivoted rollers i, Figs. 3 and 4, to which a circular wabbling parallel motion is imparted by which means it is able to engage, and drive an outer ring of rollers k concentric with the gear axis. The driving rollers i are supported in a member c which rides on roller bearings a, Fig. 2, upon an eccentric or pair of eccentrics b secured to the driving- shaft. Bolts f, Fig. 1, project from the member c through circular apertures g in a central disc e. A floating ring m supports the gearing rollers internally. One form of the invention comprises a reducing-gear inside a casing to which the disc e is fixed, the member c being thus restrained from angular movement. In the arrangement of Fig. 4, the disc e may be held fast, or allowed to slip, whereby the carrier d of the rollers k is driven at variable speeds. If the carrier d is held by a brake, the disc e is driven reversely. In a modification, the ring of driven rollers is arranged within the ring of wabbling driving rollers.
Patent GB-579939-A (GB)
Title: Improvements in and relating to heating apparatus for dwelling houses and other buildings
IPC: F24B1/183
Filed: 1944-02-11
Abstract: 579,939. Air-heating fireplaces. YOUNG, J. S. A. Feb. 11, 1944, No. 2523. Addition to 565,006. [Class 64 (iii)] [Also in Group XI] In the air-heating apparatus described in the parent Specification and comprising an open fire grate 27 and a surrounding air heater 58 for supplying heated air through a damper 59 to the room 11 in which the fire is located, a second air heater 68 is arranged around a flue 69, extending from the grate flue 53, for conditioning the air supply to one or more other rooms, e.g., on the upper floor of a two-storey house. Air is supplied to the heater 58 through a duct 33, and to the heater 68 through a duct 34 and casing 62 surrounding the back of the first heater 52, the two ducts 33, 34 being provided in the casing 30 of the grate at the sides of a central duct 32 which supplies primary air to the fire, and the first heater is fitted with the outlet damper 59 and a damper 60 opening into, say, a living room 11 and a drying room 12 respectively on the ground floor, and the second heater with dampers 71, 73 opening into a warm passage 72 and bedroom 21 on the floor above. A connecting damper 74 between the two heaters is also provided so that, when required, the damper 59 may be closed and the damper 74 opened whereby the air from both heaters is discharged through the dampers 71, 73. The flue 69 extends up to the chimney, and alongside it may be fitted a ventilating flue leading from the kitchen of the house. The grate itself comprises a bowl-shaped perforated fuel bed 45 of cast iron which is mounted in a circular firebrick hearth 46 above a gas ring 41 for igniting and revivifying the fire, a segmental curb 48 and a complementary hot-water boiler 49, having inlet and outlet pipes 50, 51, being disposed respectively at the front and rear of the hearth 46. The said pipes 50, 51, which are connected to a hot-water system, not shown, pass through a compartment 76 formed below the heater 58 and between the walls of the casing 62, and this compartment is fitted with a damper 78 and ducts 35 for controlling a supply of secondary air to the fire above the bed 45 this air being drawn from the drying room 12. The grate casing 30 may be provided with a balanced hinged door 38 for permitting access to the flues 32, 33, 34 and to the control tap 39 of the supply pipe of the gas ring 41, also with a track 66 to coact with guides 65 around the heater 58 for locating a pair of arcuate shutters 63, 64 adapted, in their closed position, to enclose the whole front of the grate. Specifications 561,971 and 565,194 are referred to.
Patent GB-486223-A (GB)
Title: Improvements in or relating to anaesthetising apparatus
IPC: A61M16/20
Filed: 1937-01-28
Abstract: 486,223. Anµsthetic and like apparatus; valves. HALL, V. L. L. Jan. 28, 1937, No. 2529. [Class 81 (ii)] [Also in Group XXIX] A combined air and gas valve for anaesthetic and like inhaling apparatus comprises a tubular housing a having one or more gas-inlet ports c, connected to a gas supply tube or tubes b, and a flange d for connection to a nasal or other mask. A tubular member rotatable in the housing has helical slots h registering with the ports c and a helical slot g receiving a pin secured in the housing, or other means whereby rotation of the member f produces axial movement thereof. A disc valve k seating on the outer end of member f is connected by a spring m to pin and also by a stirrup n having slots o through which the pin passes. The length of slot g is such that on movement of member f to its innermost position the ports c are closed and the pin j, at the upper ends of the slots o, holds the valve k from its seating whereby the patient breathes air only through apertures p and the delivery passage e. On progressive rotation and outward movement of member f ports c are first opened and mixed air and gas breathed, valve k is then seated and thereafter functions as an exhaling valve under the tension of the spring m, which tension is progressively increased. Finally in the outermost position shown the pin j and stirrup n hold the valve k positively to its seating for total rebreathing by the patient. The member f is held at its limiting and at desired intermediate positions by a pin projecting through housing a and engaging a helical series of depressions in the member f, the pin being carried by a blade spring secured by the pim j. The valve may be applied to an oxygen tent. According to the Provisional Specification the valve k is connected to a framework, replacing the pin j, by a chain in place of stirrup n.
Patent GB-1026270-A (GB)
Title: Character recognition apparatus
IPC: G06V10/12
Filed: 1965-01-20
Abstract: 1,026,270. Automatic character reading; electric selective signalling. NATIONAL CASH REGISTER CO. Jan. 20, 1965 [March 2, 1964], No. 2555/65. Headings G4H and G4R. In character recognition apparatus the character is imaged on to a photo-sensitive surface 10 having a number of electrical contacts X1-X4, Y1-Y4, the resistance between opposite pairs being used to identify the character. Pulses are applied in turn to the four opposite pairs X1Y1, X2Y2 &c. and the signal produced is digitized by a group of four threshold devices having levels 1, 2, 4 and 5 volts. According to the signal level certain threshold devices produce an output to set a corresponding flip-flop. The output of each flip-flop is connected to reset those of below it so that only one output is marked that relating to the highest threshold exceeded. The flip-flop outputs are combined in a diode matrix to identify the character.
Patent GB-471656-A (GB)
Title: Improvement in aeroplanes
IPC: B64C29/00
Filed: 1937-01-29
Abstract: 471,656. Aeroplanes. LINDSTROM, G. E. Jan. 29, 1937, No. 2631. [Class 4] In an aeroplane, each wing is located in the propeller slip-stream and comprises a fixed portion 5 and a flexible portion 6 jointed to the portion 5 and being movable to the dotted position. Additional flexible wings 11 may be provided and as shown three airscrews are disposed side by side.
Patent GB-253825-A (GB)
Title: Improvements in or relating to stone or the like crushing machines
IPC: B02C1/04
Filed: 1926-01-30
Abstract: 253,825. Booth, W. J. Jan. 30,1926. Crushers with vibrating jaws. - Relates to machines for crushing stone, brick, &c. of the kind in which a pair of opposed crushing-members, between which the stone &c. is passed longitudinally, are moved in circular paths at one end and are yieldingly connected by links to normally fixed points at their other ends. According to the invention, the crushing-members are so reciprocated longitudinally that the two members always move in opposite directions with respect to each other so that the stone &c. fed between them is subjected to a grinding as well as to a crushing action. As shown, the upper ends of the crushing-members 5 are oscillated by means of similar but diametrically opposed eccentrics secured to transverse shafts 4 which are rotated at the same rate in the same direction by means of wheels 7 gearing with an intermediate wheel 17, one of the shafts 7 being driven by means of a pulley 1. The closeness to which the lower ends of the members 5 can approach is limited by rods 10 which are pivoted at 19 to the lower ends of the members and pass freely through blocks 13 having trunnions mounted in bearing-members 20. Springs 12 surrounding the rods 10 bear at one end against the blocks 13 and at the other end against adjustable nuts 11 on the rods. Nuts 14 on the outer ends of the rods 10 enable the outlet space at the lower ends of the members to be varied. The members may be provided on their inner faces with removable jaws 6 of hard steel &c. having cross serrations or ridges. The bevelled ends of the jaws engage in recesses in the members 5 which are undercut at their lower ends, the upper ends, of the jaws being held in position by bolts 18 having conical heads engaging in notches in the upper ends of the jaws. The surfaces of the jaws may have star-shaped, spiked, or chequered working.sur. faces.
Patent GB-227291-A (GB)
Title: Improvements in lamps
IPC: F21S13/00
Filed: 1924-02-02
Abstract: 227,291. Neale, R. W. Feb. 2, 1924. Lantern doors and door fittings.-In a vehicle or like outdoor non-electric lamp, an outer door 6 carrying a bell fitting 12 and a lens 13 is secured to the front of the casing 2 by a hinge 5 and an inner door, which forms a baffle plate, comprises a fixed portion 1 carrying the hinge 4 of a movable portion 3 which has an opening 9 provided with an outwardly-extending flange 11 and coaxial with an opening 10 in the outer door 6. When the two doors are closed the outer door 6 bears resiliently against the flange 11 and inwardly extending flanges on one or more of the three free edges of the movable portion 3 press resiliently against the inner walls of the casing 2 to form a substantially air-tight fit so as to prevent the extinction of the flame by air currents. A transverse rib may be provided within the bottom of the casing to serve as a stop for the movable portion 3 and further to impede the passage of air currents. The inner door, or a movable portion thereof, may be hinged at either edge or at the bottom, or it may be fitted in as a loosed detachable piece.
Patent GB-961269-A (GB)
Title: Pentadiene polymers and process for preparing them
IPC: C08F136/04
Filed: 1963-01-22
Abstract: Linear polypentadienes having a cis-1, 4 unit content higher than 65%, an isotactic configuration of the asymmetric carbon atoms and a crystalline structure in the solid state with an identity period along the chain axis of about 8.1<\>rA, are made by polymerizing 1, 3-pentadiene in the presence of a catalyst obtained from a soluble titanium compound of the formula Ti(OR)4 in which R is an organic radical, and an organic aluminium compound of the formula, <FORM:0961269/C3/1> different hydrocarbon radicals, and R1 is a hydrogen atom or a hydrocarbon radical.  The polymerization may be effected in bulk or in the presence of a hydrocarbon solvent.  The titanium compound may be titanium tetra-n-butoxide, tetraisopropoxide, tetraphenolate, or tetraethoxide. Specified aluminium compounds are dimethyl to dioctyl aluminium monohydride, ethyl isobutyl, ethyl propyl, or ethyl hexyl aluminium monohydride, aluminium triethyl, aluminium trihexyl, aluminium triisobutyl, aluminium tridodecyl, aluminium tricyclohexyl, or aluminium diethyl monobenzyl.  The catalyst is generally preformed in a hydrocarbon solvent. The cis-content of the polymer resulting from the polymerization can be increased by dissolving the polymer in benzene and precipitating it with methyl ethyl ketone.  The polymerization reaction is terminated with methanol and the polymer purified by conventional techniques.  The polymer may be vulcanized. Specification 931,900 is referred to.
Patent GB-574753-A (GB)
Title: Improvements in or relating to electrical conductors
IPC: H05B3/56
Filed: 1944-02-15
Abstract: 574,753. Electric heating conductors. TENAPLAS, Ltd., and LEMON, C. G. Feb. 15, 1944, No. 2775. [Class 36] [Also in Group XI] A heating unit comprises one or more spiral conductors 3 braided or interwoven with insulating filaments 2 to tubular form. An indicator strand 6 may be woven alongside any conductor. The unit may surround a core consisting of impregnated cord or string, rubber, or synthetic resin and the core may have one or more passages 8 for Bowden wires or other conductors. The unit may be enclosed in a flexible sheath 4 of polyvinyl chloride &c. and be used for electric blankets and soil heaters.
Patent GB-268272-A (GB)
Title: Improvements in stoppering disks for milk bottles, jam jars and the like
IPC: B65D39/02
Filed: 1927-02-01
Abstract: 268,272. Macfarlane Electrical Co., Ltd., and Howell, A. E. Feb. 1, 1927. Disc closures for milk bottles, jars, &c. comprise a sheet of cardboard, metal &c. consisting of two portions A, B which are substantially complementary portions of a circle and a connecting portion C, the folding of the connecting portion out of the plane of the sheet bringing to gether the complementary parts to form a circular disc having a rib D extending across it between points on its circumference. The portions A, B act as though they are hinged to the connecting portion, but when the connecting portion C is folded on itself a substantially rigid structure is produced. As shown, the connecting portion C is rectangular and the rib D extends diametrically across the disc, but the portion C may be triangular to produce a rib of decreasing height and the rib may be offset from the diameter. The two walls of the rib C may be slightly parted to facilitate withdrawal of the portions A. B from the bottle neck E when the rib is pinched to remove the closure.
Patent GB-534381-A (GB)
Title: Improvements relating to the machining of crank shafts
IPC: B23B5/18
Filed: 1940-02-15
Abstract: 534,381. Boring-bar machines; boring-bars. RICHARDS & CO., Ltd., G., and CAMENZIND, J. A. Feb. 15, 1940, No. 2906. [Class 83 (iii)] In a machine for boring the pins and journals of crankshafts, the crankshaft k is mounted on a slide b which is reciprocated, with a stroke corresponding to the width of the pin to be bored, to move the work over one or more axially stationary boring bars the tools in which are actuated by templet-controlled rods within the boring bars to impart the required contour to the hole and operate the depth feed. The slide b is reciprocated by a cam c which is driven from the main driving-shaft h through worm gearing g. The work, shown as a six-throw crankshaft, is mounted in supports j. When the crank pins are to be bored, three boring bars m operate simultaneously and are supported with steadies j'. For the main journals a single boring bar with a modified arrangement of steadies is employed. Where three boring bars, Fig. 7, are used they are rotated by gearing mounted in a fixed head n and comprising a gear o on the main shaft, gears, p, 19, 20 on the respective boring bars and a central gear q. If a single bar is employed it is mounted co-axially with the gear q. A rod r within each boring bar is connected by a plate s' to a rod s carryng a pin engaging a slot u in a member v which is moved vertically under control of a templet y. The boring bars are fitted with the required number of tools 2 which are mounted in holders having inclined teeth which are engaged by similar incLined teeth 4 on the rods r so that as the rods are moved axially the tools are given a radial movement to shape the bore as required. The former is secured to a vertical slide 10 carried by a slide 11 which is reciprocated by a rod 12 which moves with the slide b. Vertical movements of slide 10 are effected by a screw 13 operated either from a hand wheel 15 or automatically by a atchet wheel 16 coacting with a pair of fixed pawls 17 to impart an adjustable feed step at each end of the stroke of the work.
Patent GB-734438-A (GB)
Title: Improvements in or relating to automatic gain control in television receivers
IPC: H04N5/52
Filed: 1953-02-03
Abstract: 734,438. Automatic gain control. COLE, Ltd., E. K., and HART, G. H. Feb. 3, 1954 [Feb. 3, 1953; Feb. 12, 1953], Nos. 2969/53 and 3928/53. Class 40 (5). In a television receiver an automatic gain control voltage is obtained from a tapping-point on the grid leak L of a synch. separator valve. A variable delay bias is provided by means of a cathode resistor B and may be used as contrast control. The gain control voltage is applied to vision I.F. amplifiers over a smoothing circuit R, C2 and a diode D which prevents the gain control line going positive. To prevent reduction of the gain control voltage during the frame fly-back period and consequential brightening of the first few lines of the picture, a negative pulse is derived from a frame-scan valve F or from the scanning coils and is applied to the gain control line via a resistor R2 and blocking condenser C3.
Patent GB-627291-A (GB)
Title: Improvements in and relating to gyroscopic compasses
IPC: G01C19/38
Filed: 1946-01-31
Abstract: 627,291. Gyroscopic compasses. SPERRY GYROSCOPE CO., Inc. Jan. 31, 1946, No. 3112. Convention date, Jan. 31, 1945. [Class 97 (iii)] The damping torque about the vertical axis is provided by a pair of co-operating magnetic elements, one being carried on the follow-up element and the other being mounted on the rotor casing so as to be displaced when the gyro tilts. The line of action of the magnetic force normally passes through the centre of suspension of the rotor but is displaced to have a component about the vertical axis when the gyro tilts. As shown in Fig. 4, an electromagnet 26<SP>1</SP> is secured to the follow-up ring 5 in line with the trunnion 2 supporting the rotor casing 1 in the vertical ring 3 and co-operates with a magnet 25<SP>1</SP> carried by a mass 31 on the end of a leaf-spring 30 mounted on a bracket 29 secured to the casing 1. The stiffness of the spring 30 may be adjusted by moving the clip 32. A blade 34 secured to the mass 31 dips into a dashpot 33 containing oil. In the embodiment shown in Fig. 2, the magnet 25 is displaced by double flexible bellows 21, communicating by oil-filled overhead pipes 17 with the vessels 15 containing the mercury gravitational control. The magnetic elements may include a soft iron mass, an electromagnet, a coreless solenoid, or permanent magnets with like or unlike poles facing each other. When an electromagnet is used it may be de-energized by hand or automatically during changes of speed or course, as described in Specification 275,182, [Class 97 (iii)]. Specification 612,723 also is referred to.
Patent GB-114146-A (GB)
Title: Improved Press for Drawing Tubes on a Mandrel.
IPC: B21C1/24
Filed: 1918-02-21
Abstract: 114,146. Stabilimenti " Biak " Ing. A. Pouchain, (Assignees of Peynetti, P.). March 5, 1917, [Convention date]. Void [Published under Sect. 91 of the Act]. Squirting. - I n squirting tubular billets, the mandrel 4 is not fixed to the piston 3 but is mounted stationary and is arranged in a central bore of the piston and has a yoke 7 passing through a transverse slot and bolted to the matrix 1. The mandrel may be movable to squirt lengths of tube separated by solid rod and may also have parts of different diameter for producing different internal diameters.
Patent GB-247549-A (GB)
Title: Improvements in electric couplings for valves, coils and the like of wireless apparatus
IPC: H01R13/17
Filed: 1926-02-03
Abstract: 247,549. M³ller, C. H. F. [Firm of], (Assignees of Schmitt, F.). Feb. 11, 1925, [Convention date]. Two-part couplings.-A plug connector for radio valves, coils, &c. comprises a plug or socket 1 member of non-conducting material to which is attached a contact piece. The contact piece may consist of a bowed spring 3 mounted within a channel in the member 1 which may have a screw-thread 2 for mounting. If a number of such members are mounted together to form a multiple coupling, the contact pieces are turned away from one another to minimize capacity. Reference has been directed by the Comptroller to Specifications 24514/95, 6733/02, 18479/13, and 195,185.