baber/WOPTO huggingface dataset:
Patent GB-1166537-A (GB)
Title: Improvements in or relating to Character Recognition Arrangements
Inventor: GIANOLA UMBERTO FERDINANDO
IPC: G11C19/10
Filed: 1967-05-31
Abstract: 1,166,537. Recognizing digital words. WESTERN ELECTRIC CO. Inc. 31 May, 1967 [13 June, 1966], No. 25083/67. Heading G4H. [Also in Division H3] A character recognition arrangement comprises a magnetic domain wall device, means for storing an input character therein as a pattern of stable magnetic domains, means for producing a coded magnetic field pattern in the device, and means for indicating correlation, if any, between the domain pattern and the coded magnetic field pattern. A magnetic "domain wall" wire is initially magnetized all in one direction by a bias field. Each bit of an input character is applied to nucleate or not (depending on the bit value) a reverse-magnetized domain at one end of the wire, the domains being shifted along the wire in synchronism with bit arrival by a 4-phase system of pulses on two wires. Every bit time, a pulse is applied to an interrogate winding coupled to each bit position in the wire in a sense corresponding to the value of the corresponding bit of the character to be recognized. This pulse momentarily attempts to set the bit positions to correspond to the character to be recognized and only if the input character (when fully in the wire) is equal to the character to be recognized will no appreciable change in magnetization be produced and therefore no signal in a sense winding coupled to each bit position in the same sense as the interrogate winding. The wire could be replaced by a magnetic thin film device. The character to be recognized could be preselected by punching a printed circuit board having alternate wiring paths.
Patent GB-153162-A (GB)
Title: A new or improved parting powder for use in metal moulding in the foundry
IPC: B22C3/00
Filed: 1919-10-14
Abstract: 153,162. Beswick, J. D., and Emery, W. L. Oct. 14, 1919. Mould and core materials.-A parting powder 'comprises broken earthenware or china, finely powdered.
Patent GB-479538-A (GB)
Title: Improvements relating to machines for imparting a glossy surface to leather, hides and other like material
IPC: C14B1/44
Filed: 1936-09-15
Abstract: 479,538. Leather-polishing machines. SAGAR, J. R., and WHITE, A. E. Sept. 15, 1936, No. 25109. [Class 76] [Also in Group XXIII] In a machine for polishing leather &c., a work-supporting table A is mounted on springs C supported on a bed D resting on eccentrics E. Worm wheels g<3> on the shafts of the eccentrics are in mesh with worms g<2> mounted, on a shaft formed in two parts G, G<1> connected by an adjustable coupling g. The shaft is actuated by a hand wheel g<1> to raise the bed D and table A. By varying the position of the coupling g, the bed D may be tilted towards one end or the other. The eccentrics E and associated mechanism are carried by a bed F which is raised or lowered, to bring the table A into or out of operative position, by cams h<5> operated, through levers h<3> and a link h<2>, by a T-shaped double-armed lever H.
Patent GB-791678-A (GB)
Title: Articulated train with coupler steered axles
IPC: B61F3/12
Filed: 1955-09-02
Abstract: 791,678. Railway vehicles. A C F INDUSTRIES, Inc. Sept. 2, 1955 [May 11, 1955], No. 25253/55. Classes 103(4) and 103(6) An articulated railway train composed of at least two cars has independent movably mounted wheel and axle assemblies supporting the adjacent ends of adjacent cars and the movement of these assemblies is controlled by linkage from a tight-lock coupler pivotally carried by each car and adapted to connect the cars together. Each car as shown in Fig. 2, comprises three units, a centre unit C with a pair of wheels W at each end and outer units B with wheels only at the ends remote from the' unit C. Each unit B is supported by the unit C by means of brackets 10 and suspension links 12. The axle of each pair of wheels W carries on each end a lever 18 the upper end of which is connected by a link 20 to a bracket 22 on unit C, and the lower end of which is connected by a link 24 to the lower end of a lever 26 pivotally connected to the unit. The lever 26 is also pivotally connected by a link 30 to a bracket 32 on unit B. The axles of the end units B are similarly associated with links 20, 24, levers 18 and levers 26. Each lever 26, Fig. 5, is pivotally mounted on a bracket 36, the pivot 34 being formed as a rod having at its inner end a gear segment 40. This segment meshes with a gear segment 42 carried by a pivot rod 44 which has a downwardlydepending arm 46 connected by an adjustable link 48 to a bracket formed on the shaft of a tight-lock coupler T. The gearing 42, 44 may be replaced by a bell crank mounted on a vertical pivot one arm being connected to the link 48 and the other being pivotally connected by a link to the lower end of the lever 26. The arrangements described cause the axle to swing round as the car rounds a curve. Each car is preferably supported on the axle by vertical springs and swing links as described in Specification 791,677. Means are provided for locking the coupler at the rear end of a train to prevent hunting of the associated wheel and axle assembly.
Patent GB-421298-A (GB)
Title: Improvements in enharmonic keyboard musical instruments
IPC: E05F11/38
Filed: 1933-09-13
Abstract: 421,298. Organs &c. COMPTON, J. H., Chase Road, Willesden, London. Sept. 13, 1933, No. 25382. [Class 88 (ii)] Relates to enharmonic musical instruments. (a). A key sounds alternatively corresponding notes from two series which series are tuned to tempered scales but are of a slightly different pitch such that different notes from the two series produce a particular perfect interval, and also selects the alternative note to be sounded by a key at the distance of that interval. Fig. 1 (not shown) illustrates circuits whereby depression of an E key alone sounds a pipe in the first of two series, while simultaneous depression of a C key causes the E key then to sound a pipe in the second series. In Fig. 2 only one set of pipes is used, simultaneous depression of the C key with the E key causing the note E from pipe E<3> to be flattened by operation of the tuning device 6 from contact 5. Notes at other intervals may be similarly controlled. Fig. 3 (not shown) indicates the circuits by which, if a major third be selected as the interval, any C controls all the E's, any C# all the F's, and so on. Other series of pipes, tuned at other intervals, may be added, and controlled similarly. (b). In Fig. 4 (not shown), which is applicable also to the arrangement described in Specification 421,292 wherein a non-tempered scale is em. ployed, a key (say E) producing a normal and an alternative sound of different pitch, only produces the alternative sound when two or more keys (say A and C) are simultaneously operated.
Patent GB-480968-A (GB)
Title: Improvements in or relating to non-bursting projectiles
IPC: F42B10/06
Filed: 1936-09-18
Abstract: A smoke-producing composition consists of 75 per cent of hexachloroethane and 25 per cent of calcium silicide with or without the addition of colouring matter and of irritating or toxic products.
Patent GB-521839-A (GB)
Title: Improvements in or relating to percussion fuzes for bombs
IPC: F42C15/34
Filed: 1938-08-31
Abstract: 521,839. Bomb fuzes. MEFINA SOC. ANON. Aug. 31, 1938, No. 25514. Convention date, Sept. 1, 1937. [Class 9 (i)]  A -  time-arming device for the percussion fuze of an air bomb has a striker pin 11 carried by a nose-piece 10, which latter is urged outwardly by a spring 13, but is locked to the fuze body 12, prior to dropping, by a split spring-ring 14. The ring is connected to a fixed part on the aircraft so as to be removed automatically when the  bomb is released. The pin 11 passes through a  hole C, Fig. 4, in a plate 34 adapted to be  rotated by clockwork in the casing 19. When the safety ring 14 is_pulled away, the nose 10 and striker pin are moved outwardly and' a reduced portion 11a of the pin is moved into the  hole C. The clockwork is thus started, and a slot B in the plate 34 is thereby moved beneath the shoulder 11b of the pin. The pin is thus supported and cannot be moved inwards to fire the fuze for a period of time dependent upon the length of the narrow slot B. The slot then opens out into a portion A through which the pin 11 can pass freely. The percussion cap 22 is slidably mounted in a rotatable holder 26 having ports in its side and base communicating, respectively, with a passage 28 leading to a delay charge 29 and with a direct-ignition channel 27. In the unarmed position, Fig: 1, the percussioncap carrier 21a is rearwardly held away from the pin 11, by a pivoted arm 23, Fig. 6, held locked against the pressure of a spring 31 by  the point of the striker and by a pin 30, Fig. 5, which is rotated by the clockwork. The rotatable holder 26 has two radially-projecting noses 32, 33 the nose 32 being normally held in contact with the pin 30 by the torsion spring 25 by which the holder is rotated. The pin 30 is cut away in angularly-disposed steps 30a, 30b, 30c, respectively arranged in the paths of the arm 23, nose 33, and nose 32. When, after out-  ward movement of the striker pin has started the clockwork and freed the pivoted arm 23, the pin 30 has rotated so far as to bring the step 30a opposite the end of the arm, the latter is moved aside by spring 31 and the percussion cap is free to move axially towards the striker pin. Next, the step 30c frees the nose 32 and the spring 25 rotates the holder 26 to open up the delay port 28. Further rotation of pin 30 moves the step, 30b from the path of the nose 33, and the spring 25 further rotates the holder 26 to  close the delay port and open the direct-action port 27. There are thus provided an initial arming delay due to the slot B in the plate 34, to provide safety for the aircraft when bombing at low altitude; a further delay due to the charge 29 to amplify this safety provision after impact; and an ultimate direct-action provision which becomes operative in high-altitude bombing.
Patent GB-1082686-A (GB)
Title: Improvements in and relating to compressors
Inventor: CONSTANT LEONARD CHARLES
IPC: F04B39/04
Filed: 1963-06-27
Abstract: 1,082,686. Bearings; pistons; seals. J. & E. HALL Ltd. June 26, 1964 [June 27, 1963], No. 25540/63. Headings F2A, F2B and F2T. [Also in Division F1] A crank-shaft 5 reciprocating pistons 1 in bores 2 of a refrigerator compressor is provided with oil free, self-lubricating, main and big-end bearings 22, 23 and 21 supplied with cooling medium, e.g. liquid refrigerant or water through pipes 43, 49. The cooling medium flows through grooves 44 and channels 45, 46 in the crankshaft into pipes 48 connected to the small-end bearing bushes 20. The bearings 20-23 and the linings of the bores 2 are of sintered bronze, or ferrous material impregnated with PTFE or graphite. Each piston 1 has a sleeve 15 held in position by a spring ring 17 and made of nylon impregnated with molybdenum disulphide or of glass fibres impregnated with PTFE. The piston rings 18 are of graphite or PTFE reinforced with glass fibres. A gland surrounds one end of the crank-shaft and comprises a steel ring 33 secured to the crankshaft, a synthetic rubber ring 32, a stationary housing 35 and a copper bellows 38 cooled by liquid refrigerant supplied through a pipe 41 and removed through a pipe 42.
Patent GB-493232-A (GB)
Title: Improvements in or relating to picture analysis for television or other distant-transmission purposes
IPC: H01J31/42
Filed: 1937-09-21
Abstract: 493,232. Cathode-ray tubes. DEHN, F. B. (Zeiss Ikon Akt.-Ges.) Sept. 21, 1937, No. 25625. [Class 39 (i)] In a television transmission tube the picture is projected on to a mosaic comprising a metal signal plate 8, an intermediate insulating plate 7 and discrete photo-electric elements 9, the plates 7 and 8 being permeable to light and to a scanning cathode ray from the gun 3 ; the photo-electric emission from the mosaic is formed into an electron image which is scanned by magnetic and/or electrostatic means over an aperture 5 in a plate 4, a cage 6 being used to collect the electrons passing through the aperture to form the signal. The impulses produced during the scanning of the mosaic electrode may also be used for image transmission.
Patent GB-383683-A (GB)
Title: Improved apparatus for discharging materials such as dust from hoppers and the like
IPC: F23J3/06
Filed: 1931-09-12
Abstract: 383,683. Pneumatic conveyers. ALLEN, F. B., Flatrock Road, Lower Merion Township, Pennsylvania, U.S.A. Sept. 12, 1931, No. 25659. Convention date, Sept. 15, 1930. [Class 78 (i).] Apparatus for removing dust from hoppers and collecting chambers, particularly in connection with h furnaces of the kind in which fluid is supplied to the hopper and withdrawn with the material by ejector apparatus, comprises a valve arranged at the bottom of the hopper for simultaneously controlling the fluid inlet and the outlet for the mixture of dust and fluid. Fig. 1 shows a series of hoppers 1 each connected to a discharge conduit 19 by a pipe 18 and provided with a valve operated by a lever 21 and having a tapering air inlet port 12 and outlet port 16 for the mixture. Ejector apparatus 20 supplied with pressure fluid through a pipe 48 is arranged in the discharge conduit. In a modification the inlet of the valve is connected by a pipe with the gas space above the material in the hopper. Fig. 5 shows a modification in which the hopper is provided with an inlet valve 27 interconnected by rods and levers 38, 39, 40 with a pivoted flap 34 in the discharge outlet 30 of the hopper. In the system shown in Fig. 7, the conduit 19 is provided with a steam ejector 52 and a water ejector 20. During the supply of fluid to the ejector 20 through the pipe 63 pressure is communicated by a pipe 62 to a piston 65 to close a valve 68 in the conduit 19. When the supply of fluid to the ejector is stopped the valve 68 is raised from its seat by a spring 70 and air enters the conduit 19 through a port 69 to break the vacuum in the conduit.
Patent GB-601485-A (GB)
Title: Improvements in or relating to suction-operated chucks
IPC: B23B31/30
Filed: 1945-10-03
Abstract: 601,485. Suction chucks. MIDLAND METAL SPINNING CO., Ltd., and WYER, J. M. Oct. 3, 1945, No. 25663. [Class 60] A rotatable suction chuck has a filter to arrest dust and retain it in the chuck and so prevent it passing to the suction pipe line. The main body of the chuck comprises a base B, spigoted to a rotary carrier D, a cylindrical wall C and an arbor E integral with the base B. A spring-pressed annular plate K is slidably fitted on the forward end of the arbor E, its forward movement being limited by a bar M secured to the arbor. The plate K has insets k of cork against which an article N is pressed. Filter material J is confined between an inner ring of metal gauze G and an outer gauze ring h<SP>2</SP> held in position by a disc H having large perforations h. Air enters between the wall of the article and the wall of the chuck through the filter, through passages b formed in the base of the arbor E and out through the hollow carrier D.
Patent GB-729547-A (GB)
Title: Process and device for twisting threads or filaments
IPC: D02G3/28
Filed: 1951-11-02
Abstract: 729,547. Thread twisting. PAG PATENTGES. AKT.-GES. Nov. 2, 1951 [Nov. 4, 1950], No. 25713/51. Class 120(2). A process for twisting threads, &c., is characterized in that the thread is led directly from a rotatable supply bobbin through a bore in a vertical spindle to a fixed point below the spindle on the spindle axis at which point twisting of the thread ceases, the part of the thread between the supply bobbin and the spindle bore having the form of a balloon and the thread passing through the bore from above the spindle to below the spindle, the twist length for the thread being the distance between the inlet to the spindle bore and the said fixed point. Apparatus for the process comprises in the arrangement shown a vertical spindle 1 having a bore 2, and the thread is guided downwards from the supply bobbin 44 through the said bore and is, on its emergence from the lower end of said bore taken over pulleys 5, 6 vertically upwards over a pulley 9, a deflecting bar 10 and a thread guide 11 to the winding bobbin 12 driven by the roller 13. A flange 33 is fixed to the spindle 1 and below this flange are disposed two resilient discs or collars 18 between which the spindle rail 7 is held by means of a metal disc 20, a spring 36 and two nuts 34. A sleeve 37 formed to carry the supply bobbin, is rotatably mounted on the spindle 1 above the flange 33, the lower end of which sleeve serves as a belt pulley or wharve. In another embodiment the spindle is rotated and the supply bobbin is mounted directly thereon.
Patent GB-823354-A (GB)
Title: Catalysts
Inventor: ELLINGER LEO PHILIPP
IPC: C07C29/42
Filed: 1957-08-15
Abstract: A catalyst, for use in the conversion of formaldehyde and acetylene to butynediol, is prepared by reacting a copper salt (preferably copper silicate or basic copper silicate) either on an inert support (e.g. silica gel) or unsupported, with acetylene and formaldehyde at above 90 DEG  C., preferably 100-115 DEG  C., separating the solid material, suspending it in water and treating with oxygen, air or other oxygen-containing gas, preferably at 0-20 atm. gauge and 0-120 DEG  C.  Preferably, (a) the first stage in the preparation is performed by suspending the (basic) copper silicate in formaldehyde solution and passing acetylene gas (optionally NaHCO3 is present during this operation); (b) the water in which the solid material is suspended contains dissolved alkali metal carbonate, bicarbonate or hydroxide, e.g. NaHCO3.  The solid material, prior to suspending in water, may have been used as a catalyst and deteriorated in use; the succeeding stages of the operation then serve to reactivate this deteriorated catalyst.  The catalyst of this invention may contain cuprene inhibitors such as bismuth salts.  Specifications 784,638, 805,861 and 818,314 are referred to.ALSO:Formaldehyde and acetylene are converted to butynediol (e.g. at 5-6 atmg. and 110-115 DEG  C.) by use of a catalyst prepared by reacting a copper salt, e.g. the silicate, with acetylene and formaldehyde at above 90 DEG  C., separating the solid material, suspending in water and treating with oxygen, air, or other oxygen-containing gas.  Specifications 784,638, 805,861 and 818,314 are referred to.
Patent GB-1201527-A (GB)
Title: Micro-hardness tester for attachment to microscopes
IPC: G02B21/24
Filed: 1968-05-29
Abstract: 1,201,527. 527. Micro-hardness tester. ERNST LEITZ G.m.b.H. May 29, 1968 [June 3, 1967], No.25782/68. Heading G2J. [Also in Division G1] A micro-hardness tester for attachment to a microscope comprises a holder in which a carrier 10 is mounted to swivel, a fluid-pressure operated pyramid point 18 and an objective lens 15, both the pyramid point and the objective lens being mounted in the carrier in such a way that the optical axis of the objective lens is transverse to the direction of motion of the pyramid point. In one embodiment, the holder comprises two holding arms 6, 7 fixed to a ring mount 5 and is attachable by means of a screw-thread 13a to a microscope or to the rotary objective mounting of a microscope. The carrier may have spindles 9 mounted in the holding arms 6, 7 with freedom to turn by means of shoulder ball bearings 8 acted on by a thrust spring 12. The position of the attachment screw-thread 13a may be aligned in relation to the ring mount 5 by set screws 14 which are accessible from outside. The carrier 10 may be rotated by a flexible shaft 27 which acts through gear mechanism 26, 28. The pyramid point 18 is exchangeably mounted on the carrier block so that different shaped indentations can be made. Magnets (31), Fig. 2 (not shown) are provided as abutments for the carrier block in its two extreme positions. The tester may be fitted instead of an objective lens in the rotary objective mounting of a microscope.
Patent GB-645554-A (GB)
Title: Improvements in or relating to suspension devices and shock absorbers for vehicles
IPC: F16F9/32
Filed: 1948-10-04
Abstract: 645,554. Hydraulic and hydro-pneumatic shock - absorbers and suspension units. LEVITATION, Ltd., THORNHILL, P. W., and GOSLING, C. A. Oct. 4, 1948, No. 25846. [Class 108(iii)] The invention relates to suspension devices and shock-absorbers comprising a telescopic plunger and cylinder unit in which direct passage of fluid between working spaces 17, 18 defined by a head 12 on the plunger is prevented by a sealing device which acts also as a valve to permit passage of fluid from either of the working spaces to a further space connection of which to the working spaces is selectively controlled by additional valve means 20. According to the invention the sealing device comprises a ring 30 of rubber or similar material mounted in a circumferential groove 24 in the piston head, the groove being connected by passages 23 with an internal recess 19 in the piston head in which the additional valve means 20 are located, the ring being formed with two lips, one of which cooperates with one side of the groove and the other with the other side to provide a pair of one-way valves each controlling the connection between one working space and the internal recess 19. As applied to a pneumatic suspension device of the kind described in Specification 570,813, the valve means 20 comprises a piston valve having a circumferential recess 28 which serves to connect the passages 23 with either slots 27 in the head 12 opening into the space 17, or a ring of ports 25 which open into the space 18. The recess 19 is connected with the space 17 by a passage 21 of small diameter. The valve 20 is biassed by a spring 29 to a normal position as shown. The plunger has a ball-joint connection (not shown) with a fitting which is threaded for connection to one of the two relatively moving parts between which the device acts and this fitting is connected by a flexible dirt-excluding sleeve with the corresponding end of the cylinder. The other end of the cylinder is connected to a bracket 34 rigid with the other moving part by a stem 33 and rubber discs 36. An inflation valve 38 is provided in the stem 33. Operation. On inward movement of the plunger from a normal position (corresponding to the static position of the device), the pressure differential between the space 7 and recess 19 drives the valve 20 downwardly so as to connect the passages 23 and the ports 25. Air in the space 17 can deflect the upper lip of the ring 30 downwardly and pass into the passages 23 and thence to the space 18. On the return movement the upper lip is held by air pressure' against the upper side of the groove 24 and no return flow to the space 17 can occur until pressure difference drives the valve 20 upwards to connect the passages 23 with the space 17. Flow between the space 17, 18 then occurs by virtue of the lifting of the lower lip of the ring 30.
Patent GB-189920-A (GB)
Title: A new type of warp protector for fast-reed looms
IPC: D03D51/20
Filed: 1921-10-01
Abstract: 189,920. Robertson, D., Barclay, C. W., Dalgity, G., and Woodhouse, T. Oct. 1, 1921. Stop-motion, shuttle.- In a fast-reed loom, in which slidable frogs are operated by tongues S on a protector rod U to slacken the warp when the shuttle fails to box, there is fixed to the rod U a horn T. This horn engages, simultaneously with or preferably slightly in advance of the movement of the frogs, an adjustable stud V on the control handle Y and " knocks off " the loom.