baber/WOPTO huggingface dataset:
Patent GB-179794-A (GB)
Title: A new or improved appliance for playing a game
IPC: A63B63/00
Filed: 1921-04-19
Abstract: 179,794. Gosling, H. W. April 19, 1921. Outdoor games.- An appliance for playing a game with a ball and racket comprises a box-like member a, the front of which is partially closed bv a surround of white webbing g, while the rear wall b is hinged near its upper edge and retained in an inclined position by pivoted arms d. The member a is supported by two collapsable trestles t and is used in conjunction with a suitably marked-out court. Balls projected through the front of the box are deflected on to the ground by the inclined wall b.
Patent GB-994529-A (GB)
Title: Improvements in or relating to clutches
IPC: F16D48/06
Filed: 1963-03-21
Abstract: 994,529. Clutch control; resilient couplings. FICHTEL & SACHS A.G. March 21, 1963 [March 23, 1962], No. 11277/63. Headings F2L and F2U. A pneumatically, hydraulically or electromagnetically operated motor-vehicle friction clutch 2 manually controlled through a pedalactuated valve 21, or switch, is automatically disengaged on overload by a torque-limiting device comprising electrical contacts 7, 8 (Fig. 2, not shown), secured respectively to the outer plate 3 and centre hub 5, of a torsionallyresilient clutch plate, which at a predetermined torque, relatively angularly deflect to close the contacts and energize a solenoid 13 thereby operating a valve 14, or switch, to by-pass the manual control valve 21 and disengage the clutch. As shown, the spring-engaged clutch is pneumatically disengaged by a servo-cylinder 18 energized from a reservoir 19 through the pedal-operated valve 21. When torque overload closes contacts 7, 8, a plunger 23 of the by-pass valve 14 is moved by the solenoid 13 to open a circuit 24, 24a thereby overriding the manual control valve 21 and automatically disengaging the clutch, re-engagement being effected only after manually re-shifting the plunger 23 to its former position (Fig. 3, not shown) whereby manual control is restored, the by-pass valve plunger 23 being arranged for operation by the pedal 22 for this purpose. The contacts 7, 8 are arranged to close at approximately 1À5 times maximum engine torque.
Patent GB-1341462-A (GB)
Title: Azomethine useful for the production of 2-hydroxy-3-caboxy- naphthaldehyde 1
IPC: C07C65/30
Filed: 1971-04-26
Abstract: 1341462 Colouring polymers BADISCHE ANILIN- & SODA-FABRIK AG 26 April 1971 [27 April 1970 24 Oct 1970] 11322/71 Headings C3R C3P and C3F [Also in Divisions C2 and C4] Printing inks, coating compositions and plastics materials are coloured in yellow shades with the azomethine pigment of the formula In an example a photogravure ink is prepared by mixing 5 parts of pigment, 30 parts of colophony resin modified with phenol-formaldehyde and 65 parts of toluene. A nitrocellulose lacquer comprising nitrocellulose, a synthetic ketone resin, plasticizer, butyl acetate, ethyl acetate and toluene is coloured with the pigment to give a full-tone lacquer, and brightened by mixing with a white lacquer formed from TiO 2  and nitrocellulose lacquer. In a further example soft PVC is coloured and a disperse dye for the paint industry is formed based on a vinyl propionate copolymer.
Patent GB-557342-A (GB)
Title: Improvements in circuit arrangements for producing alternating or oscillatory current from a direct current supply
IPC: H02M11/00
Filed: 1942-08-13
Abstract: 557,342. Converting. STEVENS, R. J. Aug. 13, 1942, No. 11336. [Class 38 (ii)] D.C. is converted into A.C. by means of a Wheatstone bridge arrangement in one arm of which is inserted a resistance A which decreases in value with increase of voltage. In the arrangement of Fig. 1 a fluctuating D.C. voltage is applied to the points 1, 3 of the bridge with the result that the resistance A fluctuates and the output current between the points 2, 4 is continually reversed. In the arrangement of Fig. 2, a transformer with primary or secondary windings P, S is connected as shown. Closure of a switch B causes a rush of current through the bridge the current through P passing in the direction from 2 to 4. A secondary voltage is at once induced in S which is added to the existing voltage and causes a lowering of resistance A so that the current in P now reverses causing a reverse voltage in S which causes an increase in resistance of A and another reversal of current in P and so on. Instead of resistances in the three arms 12, 14 and 43 of the bridge, inductances or capacities may be used.
Patent GB-697233-A (GB)
Title: Improvements in or relating to adjustable shores or struts
Inventor: HAWES ALBERT HENRY
IPC: E21D15/24
Filed: 1950-05-08
Abstract: 697,233. Shores. KWIKFORM, Ltd. May 1, 1951 [May 8, 1950; Feb. 21, 1951], Nos. 11336/50 and 4170/51. Class 20(ii) An adjustable shore comprises a member 10 on which screws a nut 13 rotatably connected with a thrust member 19 for engaging the ground &c., another thrust member 25 non-rotatably connected with a member 11 adjustable inside the member 10 by means of a pin 32 and apertures 30, 31 in the two members, the final clamping adjustment being produced by turning the nut 13 relatively to the member 10 by means of the handle, 28. The nut 13 is welded to tubes 15, 16 protecting the thread on the tube 10 and forming the rotatable connection with the thrust member 19. Complete withdrawal of the member 11 is prevented by rings 34, 35, on the two members or as shown in a modification the opposite ends of the members 10, 11 may be contracted and expanded respectively. In a further modification the nut engages a screw thread on the inner member 11 and the member 10 is correspondingly shortened and connected to the non-rotatable thrust member.
Patent GB-260872-A (GB)
Title: A method of manufacturing artificial silk
IPC: D01D1/06
Filed: 1926-04-29
Abstract: 260,872. Spinnstofffabrik Zehlendorf Ges. April 29, 1926, [Convention date]. Apparatus for making filaments; cellulose xanthates, processes for making filaments from.-Artificial silk comprising filaments having in their substance minute cavities is made by forming bubbles of gas in the viscose solution to b.e spun by electrolysis immediately before spinning. The electrolysis may take place at the spinning nozzle; thus, in the construction shown, the electrodes consist of rings b, c separated by a ring e of insulating material, the former carrying points f arranged opposite to and in advance of the spinning orifices d. The bubbles of gas originating at the points f mix with the solution as it passes through the orifices. The oxygen given off at the anode may be partly or entirely consumed in oxidizing the sulphur compounds in the viscose, whereby the objection. able production of sulphuretted hydrogen during spinning is reduced.
Patent GB-474731-A (GB)
Title: Regulating apparatus for fuel injection pumps of internal combustion engines
IPC: F02D1/00
Filed: 1937-04-21
Abstract: 474,731. Fluid-pressure servomotors. SCINTILLA, Ltd. April 21, 1937, No. 11385. Convention date, April 21, 1936. [Class 135] In a regulating device for a fuel-injection pump for an internal-combustion engine, a control fluid passes through a pressure regulator and a restricted passage, the fluid pressure ahead of the regulator acting on a servomotor for controlling the fuel delivery, and the pressure ahead of the restricted passage acting on a servomotor for controlling the timing of the injection. In the form shown, the shaft 2 of the fuel-pump (not shown) drives a gear pump 3, 5, which feeds control fluid from the inlet 21 into a chamber 22, where pressure is maintained substantially constant for all speeds of the shaft 2 by a spring-pressed plunger 23 controlling the outlet 28. The fluid then passes to a chamber 29, the pressure in which rises with speed of the shaft 2 (i.e. with engine speed) owing to the restricted outlet 24, which, where the control fluid is liquid fuel, leads to the suction side of the fuel-pump. The constant pressure from the chamber 22 passes through a conduit 37 to the space 36 behind a servomotor piston 34, which through a link 33 and a rod 31 controls the delivery of the fuel-pump. The space 36 is connected through a restriction 45, longitudinal bore 43, and openings 44 with a space 38 acting on a larger area on the opposite face of the piston. The end of the bore 43 abuts against a stem 9, and fluid leaks continually through the junction in order to maintain a pressure in space 38 which is lower than that in space 36. If the stem 9 moves to the right, the pressure in space 38 falls and the piston 34 follows the stem. The position of the stem 9 is conjointly controlled by a spring 12 and by governor-weights 4. The weights 4 are pivoted on arms 6 on the wheel 5 of the gearpump and are thus revolved according to'engine speed. When the control-rod 18 is moved to the left the spring 12 is urged to the right through fork 17 and abutment 13. The spring 12 is calibrated so that for a given setting of the control-rod 18 the speed of the engine is maintained substantially constant by the weights 4. Movement of the stem 9 to the right to give the highest fuel-pump deliveries, however, is prevented by an abutment 63 until the speed of the engine has reached a certain limit, the abutment 63 being held in the position shown at lower speeds by the pressure in space 67 derived from the constant pressure in chamber 22 and being moved to the right only when the pressure from chamber 29 acting in the annular chamber 65 becomes high enough. The pressure from the chamber 29 is supplied through a conduit 62 also to a piston 59 having a stem, which controls a follow-up servomotor piston 47 as described for piston 34, pressure from the chamber 22 being supplied to the space 50 through conduit 37. The rod 46 of piston 47 is connected to the timing apparatus for the fuel-pump.
Patent GB-558570-A (GB)
Title: Improvements in fuzes, particularly for bombs, depth charges and the like
IPC: F42C5/00
Filed: 1942-08-14
Abstract: 558,570. Fuzes for bombs, depth charges &c. MIDGLEY, A. H. Aug. 14,1942, No. 11423. [Class 9 (i)] A fuze, particularly for bombs to be dropped into water and depth-charges, comprises a member which moves in one direction to arm the striker and in the other direction under hydrostatic pressure to release it. The striker b is hollow, . has recesses in which balls e are housed, and is urged downwardly by a spring b<SP>2</SP>. A sleeve f around the striker rests upon a shoulder in the fuze body a and has two axially spaced sets of recesses which are engaged in turn by the balls e. An axiallymounted arming-pin c, the upper part of which is rotatable, carries a propeller d at its outer end, screws through the threaded boss o<SP>2</SP> of a fixed cup o, carries a fluid-tight diaphragm k and has an annular recess c<SP>1</SP> in its end within the striker b. Rotation of the propeller is restrained by a safety device d<SP>1</SP> which is withdrawn before the bomb is released, and by a pin d<SP>2</SP> which is sheared when it enters the water. A non-rotatable but slidable sleeve m normally covers ports n, and is pressed upwardly by a strong spring p when the pin c has unscrewed itself from the threaded boss o<SP>2</SP>. The upward movement of the pin causes its recess c<SP>1</SP> to register with the balls e, so that, impelled by the spring b<SP>2</SP>, the striker may move downwards until the balls are forced outwardly by the inclined lower end of the recess c<SP>1</SP> into the lower recesses h in the sleeve f. At the set depth, the water pressure on the diaphragm k overcomes the spring b<SP>2</SP> and forces the pin c inwards again. The balls e can then leave the recesses h and free the striker b, which then operates under the pressure of spring b<SP>2</SP> to fire the charge. During this operative stroke, the balls pass outwards into an annular space g around the striker.
Patent GB-486350-A (GB)
Title: Improvements in electric light fittings
IPC: B60Q3/02
Filed: 1937-04-22
Abstract: 486,350. Two-part couplings. DIXON, L. T. April 22, 1937, No. 11470. [Class 38 (i)] [Also in Group XI] In a ceiling or other lamp in which a plate 8 forming part of a reflector 7 is held by spring- pressed plungers 6 against a plate 1 forming part of the reflector holder, the plate 8 has notches 13 for the passage of the side-pins of the electric lamp, and so acts as a locking member for the latter. The plate 8 also has openings 9 in its outer edge, so that it can be pressed over the lugs 5 carrying the plungers 6, and then rotated. To limit the rotation of the plate 8, a downward projection on the plate 1 engages in a recess 15 on the edge of the plate 8. This projection may be rigid, or it may be flexible in which case there are three small notches in the recess 15, corresponding to the positions in which (1) the reflector and plate are inserted, (2) the notches 13 allow the lamp to pass, and (3) the bulb is locked.
Patent GB-1349115-A (GB)
Title: Marine propulsion device
IPC: B63H23/08
Filed: 1972-03-13
Abstract: 1349115 Marine propulsion OUTBOARD MARINE CORP 13 March 1972 [8 April 1971] 11555/72 Heading B7V [Also in Division F2] A marine propulsion unit, e.g. an outboard motor is provided with reversing transmission comprising roller clutches which selectively transmit drive from one or other or neither of two bevel gears, which are in mesh with a bevel gear on the input shaft, to the propeller shaft. As shown, a bevel gear 21 mounted on the drive shaft 19 is in mesh with two bevel gears 23, 25 which are bored to receive the propeller shaft 15. Forward and rearward sets of elongate rollers 63, 65 are carried in a retainer 69 which is angularly adjustable by means of control rod 89 so that for forward drive, for example, the rollers 63 become wedged between the interior surface of counterbore 47 of bevel gear 23 and the set of flats 75 on the propeller shaft 15 to transmit drive from the shaft 19 to the propeller shaft 15 while the other set of rollers 65 are idling. Both sets of rollers 63, 65 may idle to provide a neutral condition.
Patent GB-1059703-A (GB)
Title: 8-acyloxy-bz-tetrahydroquinolines and their preparation
IPC: C07D215/26
Filed: 1965-01-15
Abstract: The invention comprises 8-acyloxy-bz-tetrahydroquinolines and a process for the preparation thereof comprising contacting bz-tetrahydroquinoline - N - oxide with an acylating agent; the terms "acyl" and "acylating" relating to carboxylic acid acyl groups.  The bz-tetrahydroquinoline-N-oxide may be prepared as described in Specification 1,059,702.
Patent GB-1532136-A (GB)
Title: Shell pusher for plug mill
IPC: B21B23/00
Filed: 1977-03-18
Abstract: 1532136 Rolling tubes AETNA-STANDARD ENG CO 18 March 1977 [4 May 1976] 11682/77 Heading B3M A shell pushing assembly for handling a tubular shell being rolled in a plug mill (not shown) includes an elongated track 27, 27a (Figs. 1, 2) on the upstream side of the mill, a carriage 28 movable along the track and fixable in a desired position, and a ram 53 mounted on the carriage for feeding a shell towards the mill rolls. The carriage is moved by a rack and pinion assembly to desired positions corresponding to the initial length of the shell before rolling, or to its increased length when returned from the mill after a first reduction. A short initial shell 25a is shown ready for pushing by the ram, a long initial shell 25 ready for shifting on to the guides 17 of the track, and an elongated shell 22b (Fig. 1) after a first reduction stage and before feeding to the mill again. The ram has a pusher head 36 at one end, and an energy absorbing assembly 70 at the opposite end for absorbing the energy of a rolled shell as it is returned from the mill.
Patent GB-220032-A (GB)
Title: Improvements in worm wheels
IPC: F16H1/16
Filed: 1923-05-01
Abstract: 220,032. Lax, J., and Stuthridge, J. H. May 1, 1923. Worm wheels.-In worm wheels of the kind in which the teeth consist of rotatable pins or sleeves, pins 3, Fig. 1, are supported on ball bearings 6, 9 in radial recesses in the wheel rim 1, the balls 9 engaging a groove 8 in the pin and also the end of a tapered sleeve 10, which fits into the recess and is forced inwards to keep the pin in position by tapered pegs 13 driven laterally into the rim. In the modification shown in Fig. 3, the pins are supported by roller bearings 23, 27 and by a rounded end 31, and are retained in position by a cross-peg 29 engaging a groove 28 in the pin. Plain bearings, one of which may be curved in axial section, may be used. The pin may be replaced by a sleeve of required tooth form turning loosely on a fixed radial pin secured by a cross-peg.
Patent GB-117785-A (GB)
IPC: C09D195/00
Abstract: 117,785. Illemann, R., and Montgomerie, J. A. March 6, 1918. Water paints. - A mixture of equal parts of pitch, tar, clay, and water is used for painting and waterproofing fabrics &c. The clay is rendered fluid by the addition of water and the mixture added to the pitch and tar which have been melted together. The whole is raised to the boiling-point and then allowed to cool. Pigments may be added The paint can be thinned with water alone.
Patent GB-118075-A (GB)
IPC: G10K11/22
Abstract: 118,075. Hudson, J., and Hudson, J. C. May 28, 1918. Speaking-tubes. - A speaking-tube is provided with a freely movable whistle 9 which normally rests on a perforated plate 15 within a chamber below the mouthpiece. On blowing into the tube at the far end the whistle is carried forward and a flange 10 closes the opening into the mouthpiece and an audible signal is given. The whistle is preferably made of aluminium or other light material.
Patent GB-202691-A (GB)
Title: Improvements in devices for indicating or measuring distances or movements of machine parts or other solid bodies
IPC: G01L27/00
Filed: 1922-04-27
Abstract: 202,691. Guy, H. L., and Metropolitan- Vickers Electrical Co., Ltd. April 27, 1922. Measuring-apparatus.-The distance between: two objects is measured by rigidly connecting to one object a vessel maintained full of fluid and provided with an orifice through which the fluid escapes, and arranging the other object, or a part connected with it, so as to impede the flow from the orifice. The pressure within the vessel will then depend upon the distance between the orifice and the impeding object and a pressure gauge fitted to the vessel may be graduated in terms of length. Such apparatus is especially adapted for measurements upon relatively moving objects as in determining the axial movement of a turbine shaft, and a form suitable for this purpose comprises a body 4 divided into two chambers 5, 6. by a channel 7, the chamber 5 taking an oil supply pipe 8 and the chamber 6 taking a nozzle 9 and a pressure gauge connection at 10. A plug 11 with a small bore is placed in the channel 7 and the apparatus is fixed to the turbine pedestal so that the nozzle projects through the end cover 16 with the orifice near a surface 17 connected to the turbine shaft. Oil is supplied by the pipe 8 at constant pressure and axial movement of the shaft will be indicated by the pressure gauge, which may also actuate alarms or signals. Water, steam and other fluids may be used, and the apparatus is also adapted for indicating the variation between a surface and its pattern, by moving the nozzle along a path corresponding to the. pattern and allowing the fluid to impinge upon the surface. Specification 116,074, [Class 69 (ii), Hydraulic presses &c.], is referred to.
Patent GB-982679-A (GB)
Title: Improvements in or relating to electromagnetic relays
IPC: H01H51/01
Filed: 1961-03-30
Abstract: 982,679. Electromagnetic relays; automatic circuit-breakers; protective cut-out systems. COMPAGNIE GENERALE D'ELECTRICITE: March 30, 1961 [March 30, 1960; Feb. 24, 1961], No. 11866/61. Heading H2B and H2K. A circuit-breaker includes a U-shaped yoke 3 whose limbs are normally bridged by an armature 4 urged into engagement with the limbs by a permanent magnet 5 the flux of which passes in parallel paths through the two limbs. The armature is released by energization of a coil 2 on the yoke, the flux due to the coil aiding the permanent magnet flux in one limb and opposing it in the other limb so that the armature pivots about one limb before it is released completely by a spring. The armature is reset mechanically. Various embodiments are described in which the position of the permanent magnet is adjustable to vary the attracting force. In one embodiment the coil 2 is energized by a core balance arrangement and the armature trips the latch of the circuit-breaker. A differential circuit-breaker is also disclosed.
Patent GB-726773-A (GB)
Title: Improvements in or relating to gas-heating equipment
Inventor: EADON-CLARKE CHRISTOPHER ERSKI
IPC: F28D7/00
Filed: 1951-05-22
Abstract: A workpiece is heated by gas jets and at the end of the heating period either cooling air is directed on to the workpiece by jets disposed in rings around the workpiece or a trap door on which the workpiece rests is opened and the workpiece falls into a bath of quenching fluid.  The heating and quenching periods may be determined by electrically energized timers (see Group XI). Specification 716,111, [Group XI], is referred to.
Patent GB-552142-A (GB)
Title: Water-insoluble monoazo dyestuffs
Filed: 1941-09-19
Abstract: 552,142. Dyes. DU PONT DE NEMOURS & CO., E. I. Sept. 19, 1941, No. 12105. Convention date, Oct. 5, 1940. [Classes 2 (iii) and 15 (ii)] Monoazo dyes, in soluble in water, viz.4:4<SP>1</SP>- and 4:3<SP>1</SP>-diaminoazobenzenes and derivatives thereof, are obtained by diazotizing monooxalyl-1:4- or 1:3-diaminobenzene or a derivative thereof, coupling with a primary amine of the benzene series capable of coupling in p-position to the amino group, water-solubilizing groups such as carboxylic or sulphonic groups being absent from each component, and thereafter removing the oxalyl group by hydrolysis with a hot aqueous solution of an alkali metal hydroxide. Specified derivatives of monooxalyl-1:4- and 1:3-diaminobenzene are the 2- and 3-chloro-, 2- and 3-methoxy-, 3-methyl- and 2:5-dimethoxyderivatives of 4-oxalylaminoaniline and the 4-methoxy- and 4-methyl derivatives of 3- oxalylaminoaniline. Specified coupling components are m-anisidine, m-toluidine, p-xylidine, cresidine, 2:5-dimethoxy- or diethoxy-aniline, 2 - methoxy - 5 - acetylaminoaniline, m - aminoacetanilide, m aminopropionanilide, m (o - or p - toluenesulphonyl) - amino - aniline and m - (benzenesulphonyl) - amino - aniline. In examples, (1) monooxalyl-1:4-diaminobenzene is diazotized and coupled with cresidine and the product is hydrolysed by heating for 4 hours at 95-100‹C. with a 5 per cent. solution of sodium hydroxide ; the product is applicable for dyeing cellulose acetate artificial silk; (2) the coupling component in (1) is replaced by 2:5- dimethoxyaniline ; (3) the diazo component in (1) is replaced by monooxalyl-1:3-diaminobenzene ; (4), (5) and (6), the dyestuffs (4) 3 - methoxy- 4 - oxalylaminoaniline # m - anisidine, (5) 2 - chloro - 4 - oxalylaminoaniline #  m - toluidine, and (6) 2:5 - dimethoxy - 4 - oxalylaminoaniline # 2:5-diethoxyaniline, are similarly prepared and hydrolysed.