baber/WOPTO huggingface dataset:
Patent GB-1187538-A (GB)
Title: A Combination Lock
IPC: E05B65/52
Filed: 1968-09-25
Abstract: 1,187,538. Combination locks. PRESTO LOCK CO. Inc. 25 Sept., 1968 [26 Oct., 1967], No. 45518/68. Heading E2A. In a combination lock on a luggage case, rotation of the tumblers 20 is prevented when the bolt is in its fastening position and a spring detent is provided for holding the bolt in its releasing position, so that the case cannot easily be locked with an unknown combination. The tumblers are in the form of cylinders which are rotatable on a fixed shaft J under the influence of dials 22, these being indexed by springs H. These cylinders have collers 32 at one end having flats 34 which allow the passage of bars 76 of the bolt when they are in the uppermost position shown in Fig. 7. The dials are carried loosely on their respective cylinders but are indexed on them by projections 36 engaging one or other of ten slots 38, each one corresponding to a number. The bolt D is manually moved by a puller button 46 through lost motion 50 and engages a notched keeper B. To set the combination, the tumbler cylinders are pressed along the shaft J against spring F by means of a pusher 96 projecting under the casing. This releases the detents 36 from their slots 38 in the dials to allow resetting. This disengagement may only take place when the tumblers are in the 'open combination' shown in Fig. 7 which also frees the bolt for movement by the puller, this being releasably held in position by spring 102 under the puller head. When the bolt D is in its releasing position, the bars 76 prevent rotation of the tumblers, so that the dials are held in their 'open combination' positions, and the combination cannot be inadvertently lost and the case shut. To set the combination, the case must be opened and the combination deliberately reset by pusher 96 before closing the case. If the combination is lost, and the case open, the setting of each tumbler may be returned to 'open' by observing a mark 110 through a hole 112. The bolt D is preferably a dead bolt, but it may be spring biased to the releasing position instead of to the fastened position as in latches.
Patent GB-1122224-A (GB)
Title: A method of, and a device for, analysing the quality of tubular metallic products
IPC: G01N33/20
Filed: 1965-10-28
Abstract: 1,122,224. Extruding. ALLMANNA SVENSKA ELEKTRISKA A.B. 28 Oct., 1965 [29 Oct., 1964], No. 45633/65. Addition to 1,053,072. Heading B3P. [Also in Division G1]  The method of analysing tubular metallic products by spectroscopic analysis disclosed in Specification 1,053,072 is modified in that the analysis is carried out along a helix on the surface of the product. The test sample 23 is held by expanding rods 17 on a chuck 19. The chuck is fixed to a easing 43 which is rotatable by and may slide along a square section shaft 44. As the shaft rotates the casing is moved along by co-operation with a fixed support 46, so that the spark electrode 30 traces out a helix on the surface of the sample 23. The light from the spark is analysed spectroscopically and spectral lines corresponding to alloyed or contaminating metals are recorded on a polar diagram synchronized with the rotation of the sample. If it is desired to determine the radial distribution, of the alloyed or contaminating metals the sample is given a conical form as shown so that each turn of the helix tests a different radial layer. The wheel 32 is provided to keep the electrode 30 a fixed distance from the sample. Axial analysis of the tubular product may be effected by increasing the pitch of the helix. The information gained from the analysis may. be used to adjust the heating and cooling of an extrusion press producing the tubular product.
Patent GB-995245-A (GB)
Title: Improvements in or relating to aerial vehicles
Inventor: WRIGHT GEOFFREY HARRY EDWARD
IPC: F42B15/00
Filed: 1961-12-20
Abstract: 995,245. Jet propulsion plant. BRISTOL SIDDELEY ENGINES Ltd., and BRISTOL AIRCRAFT Ltd. Dec. 20, 1962 [Dec. 20, 1961], No. 45655/61. Heading F1J. [Also in Divisions B7 and F3] A ram jet engine comprises a circular section outer casing 12 having an intake lip 15, and a centre body 13, forming a double shock wave intake. The centre body supports a pilot combustion cam 17, into which fuel is sprayed through a centrally perforated resilient diaphragm 21 movable by the fuel pressure relatively to an obturator 22, to produce a linear pressure/flow relation. The issuing fuel is dispersed in the cam by a conical anvil 23. Passages 18 supply air to the cam from the diffuser passage 19. The centre body also supports a perforated fuel injection manifold 24, and circular and radial flameholders 25, 26. The fuel pump 27 is driven by a ram air turbine 28 supplied with air through a valve 30 responsive to the Rayleigh pressure sensed by a probe 32 and to the pump delivery pressure in pipe 33. The engine has a fixed area choked nozzle, so that the fuel/air ratio is maintained approximately constant if the pump delivery pressure is proportional to the Rayleigh pressure. Fuel passes through pipe 36 to a cylinder 37 in which slides a piston 39 subjected to spring 40 and having a bleed aperture 42. A wall port 38, closable by piston 39, leads through pipe 41 to manifold 24, and a port 49, not affected by the piston, provides the pilot fuel flow. A pipe 44 connects the back of piston 39 to a valve 45, the needle of which is controlled by spring 47 and a Machmeter 50 through cam 51. The position of piston 39, and hence the effective area of port 38 and the fuel flow, is determined by the pressure drop across the piston, and thus by the setting of needle 46. The spillage from valve 45 is discharged into the passage 19 of another ram jet engine the fuel flow of which is controlled by valve 45a. The spillage from this valve is injected into passage 19 of the engine shown, as in Specification 981,052. The Machmeter normally operates to maintain the Mach number constant. A weathercock member 56 pivoted on the fuselage of an aircraft propelled by the engines is arranged to operate an electrohydraulic jack 55 whenever the angle of pitch or yaw exceeds a critical value (see Divisions B7 and F3), to place a stop 54 in the range of travel of the needle 46, to reduce the maximum allowable fuel flow, so that when the air mass flow falls during yawing or pitching, too rich a fuel-air mixture and extinction of the flame are prevented. Specification 995,244 also is referred to.
Patent GB-984518-A (GB)
Title: A method for treating surfaces
IPC: C08G77/00
Filed: 1963-11-19
Abstract: A method for treating a surface to facilitate the release of ice therefrom comprises applying to the surface a copolymer having the general formula:  <FORM:0984518/B1-B2/1> or a salt of that copolymer and a monocarboxylic acid containing from 1-3 carbon atoms inclusive, wherein x has a total value of 10-400 inclusive, n is 0, 1 or 2, each R is an alkyl radical containing from 1-7 inclusive carbon atoms and each Q is a hydrogen atom or a -CH3 or -CH2CH2NH2 radical.  The copolymer may be applied in aqueous or non-aqueous solvents, by brushing, dipping, wiping or spraying to surfaces of glass, aluminium or steel which may have been previously painted, and air-dried.
Patent GB-1518578-A (GB)
Title: Arrangement for setting the correcting circuit in a colour scanner in a fashion
IPC: H04N1/46
Filed: 1976-11-03
Abstract: 1518578 Facsimile DR. ING. RUDOLF HELL GmbH 3 Nov 1976 [8 Nov 1975] 45792/76 Heading H4F Colour density levels are held in stores 20 corresponding to reference colour levels (black and white) A and B on an original 2, to obviate rescanning those points when operating a colour correction circuit 8. During setting of the colour corrector 8 switch 6 is open and relevant ones of switches 28 are closed.
Patent GB-1496110-A (GB)
Title: Connection support for optical fibres and method of implementing the support
IPC: G02B6/24
Filed: 1976-11-08
Abstract: 1496110 Optic fibre connector COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL SA 8 Nov 1976 [21 Nov 1975]  46424/76 Heading G2J To simplify joints in the field a stand is provided having two parts 12, 13 with guide slots for the fibres 30, 31 and a toothed comb assembly 14 raised above the level of the guide slots and providing precise spacing. The joints are made on this comb. To prepare the ends of the fibres they are clamped on their respective guide 1 2 or 13 and a blank end screwed in place of the other guide 13  or 12 to provide an end stop.
Patent GB-1466380-A (GB)
Title: Rotary drive mechanism for a torque limiter and or clutch
IPC: F16D7/04
Filed: 1974-10-03
Abstract: 1466380 Positive clutches; slip couplings T R DANBY 3 Oct 1974 [5 Oct 1973] 46573/73 Heading F2C A positive or overload release clutch comprises torque transmitting balls 5 carried in radial bores in a driven shaft 2 and pressed into engagement with spherical seatings in the inner periphery of a driving sleeve 1 by an axially loaded ball 6 or tapered pin. In Fig. 3 (not shown) the balls are held in engagement with the seatings by a tapered pin which is loaded axially by a lever (9). In an overload release clutch Fig. 4 (not shown) the balls are normally held in engagement with their seatings by a ball which is loaded axially by a spring pressed pin (14). The spring bias may be adjustable to adjust the torque at which the clutch slips. The clutch may be held disengaged on overload by a pawl (13) and, on disengagement, the pin (14) may actuate a switch (15). In Fig. 5 (not shown) a lever provides manual disengagement of an overload release clutch. The axial loading may alternatively be provided by a solenoid or fluid pressure and/or the clutch may be disengaged by a solenoid or fluid pressure.
Patent GB-1410039-A (GB)
Title: Spark erosion apparatus
IPC: B23H7/18
Filed: 1972-10-10
Abstract: 1410039 Automatic control of electro-erosion PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 10 Oct 1972 [13 Oct 1971] 46648/72 Heading G3R [Also in Division B3] A spark erosion apparatus comprises an electrode holder 6, an electro-mechanical transducer 21 for moving the electrode EL relative to its holder 6 towards the workpiece W in response to a control voltage, means 11 for producing the control voltage from an electrical parameter of the spark and means 13, 9 for moving the electrode holder 6 in response to the control voltage. The transducer 21 comprises a stack of Piezo-electric ceramic plates 22 which are normal to the direction of electrode movement and which are bonded together by electrically conductive coatings 23 alternately connected to terminals 24, 24'. The first plate 22 of the stack is bonded to the electrode holder 6 and the last plate 22 is coupled to the electrode EL via a hydraulic amplifier formed by diaphragms 25, 27 separated by a liquid 28. The current and/or voltage across the spark gap is compared with a reference value in a device 11 which applies, via an amplifier 12, a control voltage to the transducer 21 which thereby moves the electrode EL a distance dependent on the control voltage. When the control voltage exceeds a predetermined value, a signal is applied by an amplifier 13 to a stepping motor 9 which displaces the electrode holder 6 towards the workpiece W, via a screw 8. A servomotor may alternatively be used.
Patent GB-1101710-A (GB)
Title: New phenthiazine derivatives
IPC: C07D279/18
Filed: 1966-10-20
Abstract: 1,101,710. Phenthiazines. RHONE-POULENC S.A. 20 Oct., 1966 [22 Oct., 1965; 25 Aug., 1966], No. 47046/66. Heading C2C. Compounds of the formula and their acid addition and quaternary ammonium salts, where R is H or CH 3 , R 1  is H, CH 3  or C 2 H 5 , A is a straight or branched C 2-5 - alkylene chain, Y is H or halogen or a C 1-4 - alkyl or -alkoxy group and Z is NH 2 , NH- alkyl or N(alkyl) 2  where the alkyl group contains 1-4 C, are prepared either by transesterification of a compound where R 2  is a C 1-4  alkyl group, with an aminoalcohol of the formula the amino group in Z being protected when necessary and the protecting group being subsequently removed, or by reacting a compound of the formula where X is a halogen atom, with an aminoalcohol with the amino group Z being optionally protected and liberated subsequently. Pharmaceutical compositions having antiinflammatory, anti-rheumatic and spasmolytic activity comprise the compounds of the invention and an inert carrier. The compositions may be in a form suitable for enteral, parenteral or topical administration.
Patent GB-1072553-A (GB)
Title: Improvements relating to electronic counters
IPC: H03K21/00
Filed: 1963-11-28
Abstract: 1,072,553. Electronic counters; monogrammic signs. LICENTIA PATENT-VEBWALTUNGS G.m.b.H. Nov. 28, 1963 [Nov. 28, 1962], No. 47058/63. Headings G4A and G5C. Each stage of a binary counter comprises a main store such as SAO to which a train of main counting pulses t 1  is applied and an auxiliary store such as S HO  to which a train of auxiliary counting pulses t 2  is applied. The main pulses t 1  and inverse pulses t 1  together with the inverse #l of a clearing signal feed AND gates such as 26, 27a, 28 connected to an OR-NO gate 30 in the main store, from which a real or inverse output A 0 , A 0  can be taken. The auxiliary and inverse pulses (2, t 2 , which are displaced from the main pulses feed AND gates such as 22, 23a, 23b connected to an OR-NO gate 24a in the auxiliary store from which signals are sent to the corresponding main store and the auxiliary and main stores of the next stage. The main store feeds back to AND gates of its own auxiliary store. Removal of signal 1 clears the counter. Counting begins when a release signal z 2  is applied to both stores of the lowest stage, the arrangement being that z 2  coincides with the beginning of an auxiliary signal t 2 . Counting ends when z 2  is withdrawn also at the beginning of an auxiliary signal t 2 . Provision is made for a binary-coded decimal counter, as described in Specification 1,072,552, and for presetting as described in Specifications 1,072,552 and 1,072,554. The inverse outputs such as A 0  permit the count to be represented in complementary form whereby reverse counting is simulated. The outputs of the various stages in a binarycoded decimal arrangement may be coded to light various combinations of lamps to form digital representations, Fig. 29b. The occurrence of a non-existent code brings up an alarm (Fig. 31, not shown).
Patent GB-1365874-A (GB)
Title: Filled polytetrafluoroethylene compositions
IPC: C08L27/18
Filed: 1970-10-05
Abstract: 1365874 Tetrafluoroethylene polymer compositions IMPERIAL CHEMICAL INDUSTRIES Ltd 9 Sept 1971 [5 Oct 1970] 47150/70 Heading C3P A tetrafluorethylene polymer composition is prepared by adding one or more fillers in powder or fibre form and a lubricant powder grade of PTFE obtained by degradation and comminution of high molecular weight PTFE to give a particle size less than 20 Ám. and a melt viscosity at 380 C. of less than 10<SP>6</SP> poise to an aqueous dispersion of PTFE, the lubricant grade PTFE being 5 to 400% of the PTFE in the aqueous dispersion, and coagulating the dispersion. The filler powder and the lubricant powder grade of PTFE are mixed together before addition to the aqueous dispersion and a small amount of organic wetting agent may be added to the dispersion to assist in dispersing the powders in it. An electrolyte solution may be used to coagulate the dispersion. In examples bronze, lead and mica powders were used as fillers, polyoxethylated p-octyl phenol and toluene were used as surface active agents and the dispersion was coagulated by stirring or by adding aluminium nitrate solution.
Patent GB-1196486-A (GB)
Title: Electrochemical Face Mill Grinder
Inventor: SUTTON DONALD EARL
IPC: B23H5/06
Filed: 1967-10-17
Abstract: 1,196,486. Electro-chemical grinding. HAMMOND MACHINERY BUILDERS Inc. Oct. 17, 1967 [Dec. 2, 1966], No.47163/67. Heading C7B. A device for electro-chemically grinding the teeth 91 of a face milling cutter comprises a workpiece spindle (16), Fig. 2 (not shown) mounted in a support 11 for stepwise rotation about an axis lying in a first plane, a grinding wheel spindle rotatably mounted in a support 34, preferably pivoting in bearings 36-38 on a vertical post 33 about an axis lying in a second plane preferably at right angles to the first thus allowing the grinding wheel spindle axis to be adjusted angularly to the workpiece spindle axis, means for applying an electrical potential between the spindles, feeding means effecting relative movement between the spindles for causing the workpiece and the grinding wheel on their respective spindles to approach each other to enable an axial end face of the grinding wheel to engage the workpiece, means for supplying electrolyte to the axial end face of the grinding wheel, and control means e.g. a sensing device 19 responsive to and co-ordinated with the rotative position of the workpiece for actuating the feeding means. The sensing device 19 may include a finger (22), Figs. 8-10, (not shown) for bearing against one of the cutter teeth 91 being ground and arranged with a limit switch (88), Fig. 10, (not shown) for locking the workpiece spindle and only advancing the grinding head when the workpiece surface to be ground is in the proper position. The locking of the workpiece spindle is preferably effected by a brake shoe arranged for simultaneously conducting electrical current to the spindle. Specifications 928, 706;920, 578 and 860, 084 are referred to.
Patent GB-1525026-A (GB)
Title: Rotary mineral cutter
IPC: E21C35/23
Filed: 1975-11-18
Abstract: 1525026 Mining machine cutter drums; dust suppression T J ALLEN 17 Feb 1977 [18 Nov 1975] 47378/75 Heading E1F In a pick-armed, rotary, mineral-mining cutter of the type in which a radially extending end plate and a helical conveyer flight 11 are secured respectively to the outer end of and the curved wall of a rotated drum provision, in the form of removable plugs 54, is provided in the passageways 12 extending through the end plate and conveyer flight and in the passageways of a supply block 40 through which dust suppression liquid is supplied to the passageways 12 for delivery on to cutter picks on the outer peripheries of the end plate and conveyer flight to permit of access to the passageways throughout all the lengths thereof of a flexible cleaning element.
Patent GB-1409915-A (GB)
Title: Method and apparatus for connecting pipes
IPC: F16L25/12
Filed: 1972-10-13
Abstract: 1409915 Pipe couplings HYDROTECH INTERNATIONAL Inc 13 Oct 1972 [15 Oct 1971 28 Sept 1972] 47396/72 Heading F2G In a ball-and-socket on like pipe coupling, the force of hydraulic ram means is exerted radially inwardly, on the reverse slope on side of the spigot head, to ensure that the forward slope is seated against a complementarily shaped part of the socket. In one form, (Fig. 12, not shown) the complementary shapes are conical, in other forms, the shapes are spherical, e.g. 77, Fig. 4. A single cylinder hydraulic ram may be of annular form 85 to move grippers 89 radially inwardly or, in Fig. 8, to move annular piston 142 in the axial direction. Piston 142 has an inclined inner face to move grippers 141 radially inwardly. To release the coupling, piston 142 is first retracted by hydraulic actuation of a ring of small pistons 160 and grippers 141 are then retracted by hydraulic actuation of a ring of small pistons 164. A bronze ball seat 146 is provided and sealing rings 148 are hydraulically actuated. The tightness of the sealing is tested by means of port 152. Grease may be supplied through duct 165 and is retained by elastomeric ring 154. In Fig. 6, a ring of small pistons 126 move a thrust ring 127 axially, to displace the grippers 128 radially. Hydraulically operated couplings are provided to secure the pipe ends to the ball-and-socket members. In Fig. 13, in which angular adjustment is effected by swivelling the members relatively to one another, a plurality of radial bores 223 receive pistons 225, whose tapered ends engage thrust ring 215. Seal ring 216 is axially compressed, by the thrust ring, so that it expands into sealing contact with the socket member, which is gripped by annular teeth 231. As an alternative to teeth on the grippers (Fig. 4), the gripping faces or the corresponding face of the ball may have a roughened coating of tungsten carbide. To make a permanent joint, the hydraulic fluid is replaced by liquid epoxy resin.
Patent GB-1160369-A (GB)
Title: Joining Metallic Objects of Different Melting Points.
IPC: B23K11/20
Filed: 1966-10-21
Abstract: 1,160,369. Welding by pressure. SWITCHES Inc. 21 Oct., 1966 [22 Oct., 1965; 29 Sept., 1966], No. 47402/66. Heading B3R. In joining two metal members of different melting points an electric current is passed through the members brought into contact, the cross-sectional areas of the members transverse to the current path being such that the current density in the higher melting point member is greater than that in the other member whereby the higher melting point member is heated to a temperature between the melting points of the two members, the higher melting point member is pressed against the other member to induce melting of an area of the said other member and displace melted metal thereof, the heating is terminated and the pressure is maintained until the members cool to solidify the melted metal which locks the higher melting point member in the other member. A metal wire, e.g. of aluminium and a lower melting point metal element, e.g. a zincplate are positioned in an A.C. resistance spot welding machine; the wire is contacted by a resistive tungsten-copper electrode while the element is contacted by a copper electrode, so that current can be passed therethrough with little increase in temperature in the element. The wire is heated to 419‹-659‹ C. and forced by spring, pneumatic or hydraulic means into the element with a pressure of 50-450 pounds preferably 75-150 pounds. The current is cut off and the parts are held in contact for a few seconds to allow cooling. In another embodiment an aluminium wire is crimped in the doubled back lug of a zinc connector either prior to heating or by the electrodes of a resistance spot welder. The wire is heated and the applied pressure closes the limbs of the lug which locally melts and permits penetration therein of the wire. In a modification two aluminium wires are connected to the lug. An aluminium wire may be joined to a copper wire through a zinc connector, tantalum may be joined to copper wire or magnesium to a zinc plate. Three elements each joined to an element of lower melting point may be provided.