baber/WOPTO huggingface dataset:
Patent GB-859427-A (GB)
Title: Improvements in sheet feeders for printing and the like machines
IPC: B65H3/08
Filed: 1958-08-14
Abstract: 859,427. Feeding sheets. MABEG MASCHINENBAU G.m.b.H. Aug. 14, 1958 [Nov. 9, 1957], No. 26118/58. Class 100(1) Sheet separating and forwarding:-In apparatus for lifting sheets 8 from the top of a pile 2 and forwarding them to feed rollers 4, 5, air is blown between the upper sheets from nozzles 32, brush means 12 bears against an upper edge of the pile to support sheets raised by the air blasts, the sheets are raised by suction nozzles 20 in devices 7, and further suction devices 6 forward the sheets to the rollers 4, 5. Both sets of suction devices, the air-blast nozzles, and the brushes 12 are adjustably mounted on a carriage 9a which is slidably mounted on a cross-shaft 9, so that adjustment can be made to suit different sizes of sheets. The forwarding suckers 6 are carried by a parallelogram system of arms 17 for horizontal movements, and each is of the kind wherein the nozzles descend relatively to the body cylinder, when suction is applied to the latter, until a sheet seals the end of the nozzle, whereupon the nozzle is raised relatively to the cylinder by a compression spring within the cylinder. The lifting device 7 and nozzles 20 are of the same construction as the devices 6. The air-blast nozzles 32 are each attached to a piston mounted within a fixed cylinder 28 which is adapted to be moved downwardly of the cylinder by compressed-air which escapes through a hollow central rod carrying the nozzle 32. Thus, during the downward and upward movements of the nozzle 32, compressed-air is directed against the upper edge of the pile, so that the edges of the upper sheets are raised, and the top sheet lifted from the pile is floated upwardly towards the suction devices 6. The upward movements of the nozzle 32 are attained by a compression spring. The brushes 12 do not move, and are each secured to a slide 15 adjustably mounted on the carriage 9a. A rotary valve 50 controls the air supply to the nozzles 32 and the suction cylinders 6, 7, and operates in conjunction with a hand-operated stop valve which is used to shut off the suction and compressed-air supplies when necessary. A safety device, comprising a cam-operated locking lever, ensures that the stop valve cannot be turned to cut off air supplies if a sheet is still being separated and forwarded. Pile tables:-The sheet pile 2 rests on a table 1 suspended by chains 3 passing over pulleys adapted to be driven by a motor 48. Means for maintaining the top of the pile at a constant height comprises a feeler roller 40 carried by a rod 39 which is raised by a lever 37 and cam means each time a sheet is separated. The rod 39 is pivoted to a lever 42 rotatable on a shaft 41, and when the pile height decreases beyond a predetermined amount, an abutment on the rod closes a switch which starts the motor 48. When a new pile is placed on the table 1 it is raised by the motor 48 and stopped at the correct height by a limit switch, the latter being conditioned by rotating the shaft 41 by a handlever 38.
Patent GB-464862-A (GB)
Title: Improvements in shearing-mechanism for use with devices for feeding molten glass to forming machines
IPC: C03B7/10
Filed: 1935-09-23
Abstract: 464,862. Glass manufacture. PEARSON, T. F. Sept. 23, 1935, No. 26245. [Class 56] Relates to a shearing-device for use with apparatus for feeding molten glass, particularly of the kind in which a charge of glass is gathered by suction in a cup that delivers it to a parison mould. According to the present invention, a pair of blades is mounted on an arm which swings about a vertical axis, and both blades reciprocate in a direction parallel with the arm when cutting the glass. The arm that carries the blades is constituted by a rod 16, Figs. 1, and a sleeve 22 that slides on the rod, one of the blades 10 being attached to the sleeve while the other is carried by a bracket 15 adjustably attached to the rod. The sleeve 22 has an extension 21, Fig. 3, which is in sliding contact with a bracket 19 secured to the rod 16. A screw 18 enables the bracket 15 to be adjusted angularly in relation to the bracket 19 and thus enables the spacing between the planes of the blades to be adjusted. The rod 16 slides through a sleeve 40, Fig. 7, carried by a head 32 secured to the upper end of a vertical spindle 30. The sleeve 22 slides over the sleeve 40, and the rod 16 and the sleeve 22 are connected by links 23 to a disc 26 rotatable on the spindle 30. A spring 31 surrounds the spindle, and is secured at its ends to the disc 26 and to a vertical standard 29 in which the spindle 30 is journalled. The pressure of the spring holds the disc 26 against the head 32, and a ball 33, pressed downwards by a spring, engages a depression in the disc. A pin 27 depending from the disc moves in a recess 28 formed in the edge of the standard 29. In operation, the spindle 30 is oscillated by suitable means, such as a rotating cam, so that the blades swing to and from the point at which the glass is gathered. As the blades swing towards this position, the pressure of the ball 33 forces the disc 26 to move with the head 32, and the spring 31 is stressed. When the pin 27 strikes the end of the recess 28, movement of the disc 26 is stopped and the continued movement of the head 32 causes the ball 33 to rise out of the depression in the disc. The tension in the spring 31 then rotates the disc 26, in a reverse direction, to its original position, and this rotation moves the links 23 and causes the blades 10 to approach one another and cut the glass. The spindle 30 then swings the blade arm backwards, and the ball 33 again enters the depression in the disc 26.
Patent GB-976223-A (GB)
Title: Scrapless heading
IPC: B21K1/46
Filed: 1962-07-09
Abstract: 976,223. Extruding; heading. NATIONAL MACHINERY CO. July 9, 1962 [July 27, 1961; May 10, 1962], No. 26258/62. Headings B3H and B3P. In the manufacture of a bolt, screw or the like, a workpiece is cold upset in a polygonal die 38, Fig. 4, to form an intermediate polygonal head with unfilled corners and the headed blank, Fig. 5, is then pressed within a polygonal die 49 against a surface 56 localizing the pressure adjacent the corners of the die so as to form the polygonal head with sharp corners. The bolts are formed in a progressive heading machine, Fig. 1, wherein circular stock 8 is fed by rollers against an adjustable stop 32, severed by a vertical shear 10 and then transferred successively through die stations such as 11, 12, 13 to a final discharge station 14 by spring-closed transfer fingers 26, Fig. 2 (not shown). At a pre-heading station, Fig. 13 (not shown), the head is initially upset; this station may, however, be omitted. At station 11, Fig. 4, the shank 44 is extruded through a die throat 42 and a polygonal head with unfilled corners is formed by polygonal die 38 and heading tool 37. This has a central rod 39 which provides a guiding recess 41 for the blank and results in a slight circular projection being formed on the outer end of the blank. In another embodiment, Fig. 12 (not shown), the projection is omitted. The blank is then ejected by rod 46 and transferred to station 12, Fig. 5, where the head is further upset in polygonal die 49 by a punch 12 with a domed end 60 which facilitates radial flow to fill in the polygonal corners. After ejection by rod 62 the blank is transferred to station 13, Fig. 6, where a washer face 74 is formed and the outer end corners of the head are made sharp by a sleeve tool 71 with lips 72a which localize the pressures at the corners of the polygonal. The blank is finally moved to a discharge station 14 where it is passed through a hollow member on the slide 7 and discharged through passage 78. The slide 7 is reciprocated by a crank-shaft 2. Specification 442,984 is referred to.
Patent GB-1344359-A (GB)
Title: Combustion equipment for gas turbine engines
IPC: F23R3/28
Filed: 1971-04-19
Abstract: 1344359 Gas turbine engine combustion equipment GENERAL ELECTRIC CO 19 April 1971 [8 July 1970] 26332/71 Heading F1L The invention relates to combustion equipment of a gas turbine engine in which a baffle member is disposed at the upstream end of the flame tube, at least two radially spaced rows of fuel injector means projecting through the baffle member. The combustion equipment shown comprises an outer air casing 72 and an inner flame tube 62, the flame tube walls extending upstream at 78 so as to define outer and inner secondary air flow passages 74, 76 and a primary air flow passage 90, 92. A baffle member 66 is supported within the flame tube so as to separate the primary air passage 90, 92 from the primary combustion zone 114 within the flame tube. Baffle members 118, 120 secured to the outer and inner walls of the flame tube define the primary and secondary combustion zones 114, 116. Primary air flows into the flame tube through openings 112 defined by the baffle member 66, cooling air flows through openings 86 and dilution air through openings 122 into the secondary zone. The baffle member 66 comprises an outer ring member 98 formed with openings 104 through which fuel injectors 70 project, and an inner ring member 100 formed with openings 106 through which fuel injectors 70 project. The outer ring member 98 is formed with inward projections 99 and the inner ring member 100 with projections 102, adjacent projections 99, 102 overlapping. The two ring members define with the adjacent walls of the flame tube and between themselves the primary air flow passages 112. The upstream extensions 78 of the flame tube walls are dimensioned so that a major portion of air discharged from the compressor 84 flows into the passage 90.
Patent GB-1024462-A (GB)
Title: Improvements in or relating to hydraulic actuating mechanisms
Inventor: ROLLITT JOHN
IPC: F15B7/10
Filed: 1962-07-10
Abstract: 1,024,462. Hydraulic apparatus. ARMSTRONG PATENTS CO. Ltd. March 5, 1963 [July 10, 1962], No. 26370/62. Heading F1P. In a telemotor system the hydraulic pump or motor piston 3 is provided with a device which compensates for changes in the volume of the fluid in the circuit, the device comprises a passage 5, 5a extending through the piston between the front face 6 and a reservoir 4, and a ball valve 8 closely confined within the passage and arranged to rest in an open position and movable to a closed position in response to excess pressure acting on the front face 6. A plate 9 screwed to the front face 6 of the piston is offset so as not to block the passage 5a.
Patent GB-722385-A (GB)
Title: Improvements in or relating to servo-assisted steering mechanism for vehicles
Inventor: EDGE STANLEY HOWARD
IPC: B62D5/12
Filed: 1952-10-21
Abstract: 722,385. Fluid-pressure servomotor-control systems. CLAYTON DEWANDRE CO., Ltd. Oct. 7, 1953 [Oct. 21, 1952 ; Nov. 20, 1952], Nos. 26420/52 and 29380/52. Class 135. In a power-assisted steering mechanism for road vehicles, the power of the servomotor is transmitted hydraulically to the road wheels. As shown, the servomotor 1, Fig. 1, which may be operated by fluid pressure, e.g. compressed air, or vacuum, is controlled by a valve 7, such as described in Specification 560,144, actuated by the steering wheel of the vehicle. The servo piston 2 is formed with rams 9, 10 working in cylinders 11, 12 connected by pipes 16, 17 with a hydraulic jack 20, the piston of which is connected to the usual mechanism for operating the road wheels. In operation, movement of the servo piston to the right displaces liquid from the cylinder 12 to the left end of the jack cylinder which results in movement of the jack piston to the left and the displacement of liquid from the jack cylinder to the cylinder 11. The flow of liquid between the cylinders 11, 12 and the jack cylinder is controlled by non- return valves, each including a closure member 30, Fig. 3, pressed by a light spring 34 against a seat 33 and formed with external flutes 35 to permit free flow of liquid into the jack cylinder, and an orifice 31 which throttles the flow of liquid out of the jack cylinder and damps out shocks produced by the impact of the wheels on uneven ground. In a modification, the rams 9, 10 may be replaced by a piston connected to the servo piston and working in a cylinder extending from one end of the servo cylinder and connected by pipes with the opposite ends of the jack cylinder. Further, the servo may be of the diaphragm type.
Patent GB-1130138-A (GB)
Title: Improvements in semi-conductor devices
Inventor: TOMBS NIGEL CONRAD
IPC: C23C16/30
Filed: 1967-06-08
Abstract: 1,130,138. Silicon oxynitride. SPERRY RAND CORP. 8 June, 1967 [20 June, 1966], No. 26490/67. Heading C1A. [Also in Division H1] An insulating layer of silicon oxynitride is deposited on the surface of a semi-conductor device by heating the semi-conductor in the temperature range 600-1000 C., preferably at 900 C., in an atmosphere containing silane, ammonia and nitrous oxide. Argon may be used as a carrier gas, and the composition of the layer may be adjusted by varying the ratio of nitrous oxide to ammonia. The device may be of Si, with P diffused in as an n-type dopant.
Patent GB-1310543-A (GB)
Title: Polyfluoroalkyl esters of fumaric and related acids
IPC: C07C69/657
Filed: 1970-06-02
Abstract: 1310543 Fluoro-esters CIBA-GEIGY AG 2 June 1970 [2 June 1969] 26577/70 Heading C2C Esters of formula in which m is 3 to 18, n is 2 to 10, and R is the ethylenically-unsaturated hydrocarbon radical derived from fumaric, maleic, citraconic, mesaconic or itaconic acid, are prepared by reaction of an appropriate fluoroalkyl chloride, bromide or iodide or mixtures thereof with a hemi-amine salt of the desired acid, the amine being a di- or tri-C 1-4  alkylamine, morpholine, an N-C 1-4 - alkyl morpholine, piperidine, triethylenediamine, aniline or dimethylaniline. Amine salt starting materials are prepared by reaction of the amine and the acid. The compound C 7 F 15 CH 2 CH 2 Br is prepared by reaction of C 7 F 15 I with allyl acetate and azobisisobutyronitrile to give reacting this with zinc and hydrochloric acid to give C 7 F 15 CH 2 CH = CH 2  and reacting this with hydrogen bromide. The compound C 7 F 15 CH 2 CH 2 Br is prepared by reaction of the corresponding iodide with bromine.
Patent GB-213815-A (GB)
Title: Improvements in and relating to carburettors for internal combustion engines
IPC: F02M7/18
Filed: 1922-10-03
Abstract: 213,815. Cadett, J. W. T. Oct. 3, 1922. Spray carburettors.-A constant ratio of fuel to air is obtained by placing the jet orifice at a predetermined distance below the constant level in the float chamber, the distance, which is stated to be three-sixteenths of an inch with petrol as the fuel, being such that the fuel is just on the point of overflowing from the jet orifice. The distance will vary according to the nature of the fuel and may require slight modification due to air leakage into the cylinder. The usual float chamber j in which the fuel stands at the level u-u is connected by a pipe i to the nozzle e through an orifice h controlled by a valve g connected by lever o to an auxiliary float m in a chamber l. Overflow from the nozzle e collects in a chamber f and is conveyed by a pipe k to the auxiliary float chamber. When the overflow reaches the level v-v the float m closes the orifice h and further flow of fuel from the main float chamber to the nozzle is prevented. A pipe s from the auxiliary float chamber is connected to a pipe t which, at starting, delivers fuel near the edge of the throttle valve c. In a modification, the tube or chamber to receive the overflow from the nozzle has at its lower end a small orifice or tube which leads into another tube or chamber open to the atmosphere. This tube or chamber leads to a jet or small tube from which the liquid fuel can drop into a reservoir or receptacle, preferably in the form of a funnel. This funnel terminates in a small tube so arranged that as the liquid fuel drops, an interrupted column of fuel and air is formed. The top of the receptacle is connected to the main float chamber so that the dropping of the overflow fuel extracts air from the space above the fuel in the float chamber and stops the flow of fuel to the nozzle. Reference has been directed by the Comptroller to Specifications 19722/11, 17767/13, 25516/13, and 112,962.
Patent GB-667802-A (GB)
Title: Improvements in or relating to pipe couplings
IPC: A01G25/00
Filed: 1949-10-18
Abstract: 667,802. Pipe joints. MANNESMANNROHREN-WERKE. Oct. 18, 1949, No. 26761/49. Class 99 (i) In a ball-and-socket joint a yoke 3 pivoted on the ball member 2 has a pair of projections 10 engaging the socket member 1 in diametrically opposite position, means for preventing transverse movement of the yoke comprising pins 8 passing through the ball member and the pivot pins 5.
Patent GB-812299-A (GB)
Title: Converter system
IPC: H02M7/15
Filed: 1956-09-03
Abstract: 812,299. Converting; automatic current and speed control systems. WELDING RESEARCH Inc. Sept. 3, 1956 [Sept. 30, 1955], No. 26839/56. Classes 38 (2) and 38 (4). A rectifying arrangement for supplying direct current to a load 20 such as a motor or welding machine from a polyphase source 10, includes in each phase two ignitrons 12, 13 connected in parallel opposition. Associated with each ignitron is a firing circuit 80 including a valve which is controlled by pulses amplified at 85 from a pulse forming circuit 90. The pulses are produced in pairs of opposite potential, the positive and negative pulses firing respectively the ignitrons of a pair. The instants of ignition are varied simultaneously by varying the phase separation of members of a pulse pair, while the average distance apart of consecutive pairs remains constant. For each phase, a voltage A made accurately sinusoidal by a resonant circuit 30 and of a magnitude determined by potentiometer 38 is added to a direct voltage B, Fig. 2, and applied to the grid of pulse forming valve 50. The value of the direct voltage is controlled by pentode 41 to the grid of which is applied a fixed voltage from source 42, stabilized by regulators 43, 44 in series with a control voltage from 47 which may be a tachometer driven by motor load 20, or a device for producing a voltage dependent on the desired load current. As the value of the direct voltage B is varied, the instants at which the composite voltage traverses zero change so that the spacing between the pulses D changes. The pulses are produced by the action of transformer 52 which receives square waves C from valve 50 as this changes between non-conducting and saturated conditions under control of the composite voltage fed to its grid. The pulses are alternatively applied to the grids of valves 58, 63 through capacitors 56, 61 which provide holdoff voltage following each pulse, subsequently discharged through rectifiers 69, 64. Pulses are developed in transformers 68 and applied to the grids of valves 21, 75 through hold-off capacitors 70 with associated discharge rectifiers 72. These valves then fire and connect between igniter and cathode of ignitrons 12, 13 the supply voltage and one of capacitors 22, 76. These which are already charged through diodes 23, 77 discharge through the igniter to increase the firing current.
Patent GB-965024-A (GB)
Title: Polycarbonates
IPC: C08G64/30
Filed: 1962-07-12
Abstract: The Specification refers to predominantly tetrameric cyclic carbonates of dihydroxy-diaryl-alkanes, -cycloalkanes, -ethers, -sulphides, -sulphoxides and -sulphones.  The cyclic tetrameric carbonate of bisphenol-A is made by reacting bisphenol-A with the bischloroformate of bisphenol-A in the presence of methylene chloride and pyridine. Other tetramers may be made in a similar manner.ALSO:A high molecular weight linear polycarbonate is made by heating at above 200 DEG C. and in the presence of water and/or an organic hydroxy compound, a predominantly tetrameric cyclic carbonate of a dihydroxydiaryl-alkane, -cycloalkane, -ether, -sulphide, -sulphoxide or -sulphone. The hydroxy compound may be phenol, a cresol, a xylenol, an ethylphenol, p-tertiarybutylphenol, butanol, hexanol or stearyl alcohol. Polymerization may also be effected in the presence of (a) a chain-breaker which is an organic hydroxy compound or ester (e.g. carbonate) thereof; (b) a branching agent which is a trifunctional organic hydroxy compound (e.g. phloroglucinol) or ester thereof; (c) a catalyst (e.g. lead oxide, zinc oxide, antimony trioxide, sodium methylate, a sodium salt of an aromatic dihydroxy compound, sodium stearate, magnesium stearate, zinc acetate, beryllium acetate or boron phosphate); or (d) a dyestuff, filler, pigment, plasticizer or stabilizer. The polymers are useful in the manufacture of coatings, fibres, films and other shaped objects.
Patent GB-645799-A (GB)
Title: Improvements relating to air regulators for solid fuel grates
IPC: F23L1/02
Filed: 1948-10-18
Abstract: 645,799. Dampers for stoves. KENRICK & SONS, Ltd., A., and HOUGH, J. Oct. 18, 1948, No. 26996. [Class 126] An air regulator for a solid fuel grate comprises in combination an apertured cover piece to be placed in front of the space beneath the firebars, a pair of flaps pivotally mounted at their upper edges and a spindle located centrally behind the cover piece and a pair of cams on the spindle for imparting opening movement to the flaps. A cover piece a is provided with two superimposed apertures beach provided with a flap d pivoted about its upper edge. A manually controlled vertical spindle f is centrally disposed behind the front plate a and carries two cams g which on rotation of the spindle f enable the flaps d to be opened or closed together or separately. Specification 14330/01, [Class 126], is referred to.
Patent GB-878584-A (GB)
Title: Corn popping machine
IPC: A23L1/18
Filed: 1959-08-07
Abstract: 878,584. Popping corn. BUSHWAY, G. H. Aug. 7, 1959, No. 27024/59. Class 58. In an automatically operating machine for popping corn, corn from a hopper 74 and oil from a tank 38 are fed through a duct 76 and a pipe 37, respectively, into a pivotally mounted popping kettle 34 having a heater 56 in its base and equipped with a stirrer comprising radial arms 73 and fingers 72 mounted on a shaft 70 rotated by an electric motor 68. When the corn reaches a predetermined temperature the heater ceases to function and a motor 42, by rotating a shaft 44 connected through a link 48 and cranks 47, 50 to a trunnion 40 at one end of the kettle mounting, inverts the kettle to dump the popped corn and returns it to its former position, a cam 100 on the shaft 44 de-energising the motor 42 after further cams 107, 109 by momentarily closing switches 101, 103 cause solenoids 80, 88 to open a gate and a valve respectively, to admit predetermined amounts of unpopped corn and oil to the kettle 34 the resultant cooling of which causes the heater 56 to be automatically switched on, whereupon a further cycle of operations commences. In an alternative form of apparatus the popping kettle is fixed in position and its bottom drops down to allow popped corn to be dumped.
Patent GB-1182419-A (GB)
Title: Method of Producing Strip from Material Powder Compacts
Inventor: ELLIOTT JOHN ERIC
IPC: B22F3/18
Filed: 1966-06-17
Abstract: 1,182,419. Rolling. STANDARD TELEPHONES & CABLES Ltd. 16 June, 1967 [17 June, 1966], No. 27096/66. Headings B3A and B3M. Strip, which is to have a uniform density across its width, is produced by rolling a billet formed from compacted and then sintered powder. The powder is compacted in a mould of cross-section 7, the increased height at the edges of the mould compensating for lack of support of the billet walls during subsequent rolling. The strip can be further rolled to produce a strip of desired thickness. In an example, a powder incorporating 45% by weight Ni and 55% Fe was sintered and rolled to produce a soft magnetic alloy.