baber/WOPTO huggingface dataset:
Patent GB-920443-A (GB)
Title: Improvements relating to the punching of metal members such as sheets, joists or the like
IPC: B21D28/36
Filed: 1958-10-14
Abstract: 920,443. Punching. A. R. HIGGIN. Oct. 5, 1959 [Oct. 14, 1958], No. 32679/58. Class 83 (4). Holes 18 are punched in the webs 19 of rolled joists 16 between rolls 14, 15 having at least one punch 36a and a co-operating die 37 which effect the punching operation in the nip 17 between the rolls. Hexagonal holes 18 may be formed by rigid or (as shown) slidable punches. Formed of journals 23 connected by a ring 22, the rolls are connected by gears 24 for rotation on shafts 12, 13. Peripheral grooves 26 in the rolls receive the joist-flanges 20, and passages 37 in the upper ring receive the punches and in the lower ring similar members 36b, which eject the blanks 47 from the die passages 37. Links 34 connect the punches 36a to a spider 32 on a bearing 29 on an eccentric 28 keyed to the shaft 12. A similar arrangement supports the ejectors, such that the punches are projected and the ejectors retracted in the nip. By releasing a spring-loaded pin 39, an arm 38 may turn shaft 12 and thus the eccentric 28, retracting the punches in the nip if a section of imperforate web is desired. The Provisional Specification states also that the punching rolls may effect a final roll-forming operation on the joist.
Patent GB-1236416-A (GB)
Title: An infra-red tracer for a missile
IPC: F42B12/38
Filed: 1968-07-09
Abstract: 1,236,416. Tracer compositions. SOC. NATIONALE INDUSTRIELLE AEROSPATIALE. 9 July, 1968, No. 32679/68. Heading C1D. [Also in Division F3] A missile is provided with an infra-red, smokeless, tracer device, 1, formed as a flat ring comprising two segments 2, 3 arranged symmetrically round the centre O, of the discharge nozzle 7. The segment casings 2, 3 are compartmented into cells, 4a, 5a and 6a and 4b, 5b and 6b which contain the pyrotechnic charges. The partitions separating the cells are formed of asbestos and are provided with orifices. Firing is effected simultaneously at 8 and 9 and combustion is transferred between the cells through the orifices to effect a predetermined emission power/time programme. The casings are formed of layers of quartz and glass fabric impregnated with a thermostable resin. The charges stored in the cells comprise zirconium, boron, aluminium, barium chromate, silicon carbide and silicon boride or anhydrous thoria.
Patent GB-191255-A (GB)
Title: A new or improved gas generating installation or plant and method of working same
IPC: C10J3/00
Filed: 1921-12-08
Abstract: 191,255. Duff, J. R. Dec. 8, 1921. Gaseous-fuel furnaces.-Plant for the manufacture of coal gas, producer gas, or water gas or mixtures of these gases comprises two retorts 3, 4 fitted with step grates 5, 6, each retort being worked alternately as a producer and as a disti3lation chamber, producer gas from one retort being burned in flues surrounding the other, and water gas from one retort being passed through the other. When retort 3 is worked as a producer, air is supplied below the grate 5, the producer gas passing through valve 27 into an annular chamber 8 surrounding retort 4 and being burned with heated secondary air from ducts 16, the combustion products passing by conduit 11 to the main flue 9. The retort 4, when hot, is charged with coal, valve 26 is opened, and the coal gas delivered to a foul main 24. When the charge of coal in retort 4 is fully carbonized the operation is reversed, the gases escaping by outlet 21.
Patent GB-1172025-A (GB)
Title: Combined Igniter and Fuel Control Device
Inventor: PERKINS DENNIS
IPC: F23Q3/00
Filed: 1967-07-18
Abstract: 1,172,025. Igniting burners. D. PERKINS. 28 June, 1968 [18 July, 1967], No. 32980/67. Heading F4F. [Also in Division H2] A combined fuel control and igniter device has an actuating rod 11 capable of axial or rotary movement and provided with a slot 13 to engage a gas flow control valve and rotate it to the desired setting and the rod has a wider part 14 which engages a forked lever 32 on axial movement and causes rotation of a cam pin to compress crystals in a housing 20 to provide piezo-electrically an ignition spark.
Patent GB-1076994-A (GB)
Title: Improvements in arrangements for the transfer of stored digital information
Inventor: ROBINS JOHN MONTGOMERY
IPC: G06F13/00
Filed: 1964-08-13
Abstract: 1,076,994. Serial digital data transfer. BRITISH TELECOMMUNICATIONS RESEARCH Ltd. Aug. 13, 1965 [Aug. 13, 1964], No. 33054/64. Addition to 1,058,978. Heading G4C. Blocks of serial digital information are transferred from a first magnetic drum DA (Fig. 1 ) to a second magnetic drum DB employing an independent but nominally identical speed control by way of a transfer storage device TS consisting, for example, of a number of toggles and having a capacity more than twice the maximum deviation between the two drums during the transfer of a block of information. Thus if N is the maximum deviation (i.e. one drum is up to N bits per block slower than the other drum) then the preferred capacity for the transfer store TS is 2N+2 bits. Transfer from the first register GA to the store TS takes place under the frequency control of the first system (strobe pulses TSA and counter CA) whereas transfer from the store TS to the second register GB takes place under the frequency control of the second system (strobe pulses TSB and counter CB), this latter transfer being initiated after a delay corresponding to the transfer of N + 1 bits (gate G1 being opened by the N+ 1<SP>th</SP> pulse from CA). The invention is applicable to any case of transfer of digital information from one serial mode storage system to another.
Patent GB-154530-A (GB)
Title: Improvements in and relating to the wireless transmission of signals
IPC: H04B5/00
Filed: 1920-11-23
Abstract: 154,530. Title Insurance & Trust Co., Assignees of Hanson, E. C.). Aug. 27, 1917, [Convention date]. Inductive telegraphy.-In a system of wireless telegraphy in which audio-frequencies alone are utilized as described in Specification 135,504, signals are received through an iron-core transformer 22, the secondary of which is connected to a threeelectrode valve 27 and to an iron-core adjustable transformer 29, as shown. The other winding of the transformer 29, in series with the telephones 37, is included in the plate circuit of the valve, the transformer thus furnishing a retroactive coupling between the plate 39 and the grid 26. The operation of the system is due to electrostatic induction between the two aerials, and the receiver is incapable of receiving ordinary wireless radiations. For transmitting, the aerial 1 is earthed by means of the switch 2 through the secondary of an iron-core transformer 6, the primary of which is energized through the sending key 15 and the rheostat 12, by a generator 10 of current alternating at an audible frequency.
Patent GB-1110200-A (GB)
Title: Photographic camera with a device for advancing a rotary multiple photoflash lamp assembly
IPC: G03B17/42
Filed: 1966-07-22
Abstract: 1,110,200. Flash cube cameras. AGFAGEVAERT A. G. July 22, 1966 [Aug. 9, 1965], No. 33096/66. Heading G2A. A camera having means for rotating a flash cube, which rotation is operated by the film transport mechanism, also has means such that the drive from the film transport mechanism to the rotating means is rendered ineffective when a flash cube is inserted until after one exposure has been made. On operating the film transport lever 1, a transport wheel is driven which engages a pinion 7, and thereby drives a sprocket 11 which winds on the film. Further film transport is then prevented by a double exposure preventing lever 5, which can slide and pivot on a pin 10a. A further vertical slider 20 lies, when no flash cube is present, with a lug 20b thereof above slider 5 or a lug 5d. The flash cube socket 13 has a central rod 35 ending in a plate 24 urged upwards by a compression spring 23. When no cube is present, this plate engages under an arm of slide 20 and holds it in its highest position against the action of a spring 36, since spring 23 is stronger than spring 36. A drive wheel 26 meshes with pinion 7 see also Fig. 2, (not shown) and carries a thrust pawl 29 pivoted at 30 and loaded by a spring (28). When slide 20 is in the raised position of Fig. 1, it lifts the pawl clear of ratchet projections 31a on a control wheel 31 connected with the socket 13. Thus any rotation of the film transport mechanism, and hence wheel 26, is not transmitted to the socket. When a flash cube 14 is inserted into the socket, rod 35 and plate 24 are pressed downwards into the positon of Fig. 1, compressing spring 23. Slider 20 cannot follow them down, since lug 20b at the bottom end of the slider is abutting against lug 5d of slider 5. If, therefore, the film transport is now operated, the movement is still not transmitted to the socket and flash cube. After or during this film transport movement, however, lug 5d slides out of range of lug 20b, so that slider 20 can now, under the action of spring 36, follow plate 24 downwards. Pawl 29 is thus allowed to move down into a position in which it is within range of the lugs 31a, so that during each subsequent film transport operation it advances the control wheel 31, and hence the flash socket and cube, through 90 degrees. In the modification of Figs. (not shown) 3 and 4, a different mechanical arrangement for engaging the rotating socket with the driving means is provided.
Patent GB-1469558-A (GB)
Title: Slicing machines
IPC: B26D1/15
Filed: 1974-07-26
Abstract: 1469558 Slicing machines BOSCH SIEMENS HAUSGERATE GmbH 26 July 1974 [30 July 1973] 33105/74 Heading A4C A slicing machine has a gauge plate 13 adjustable for slice-thickness relative to a stationary housing 14 by a three-start screw thread on the inner surface of a cylindrical extension 17 of the gauge plate which is engaged by a male adjusting member rotatably mounted in an aperture of the housing 14, the adjusting member consisting of a knob 15 rotatable from outside the housing and engaged with a two-part cylindrical box 24 by headed spring latches 25 located in apertures 31, the box having a three-start screw thread 23 for engagement with the thread within extension 17 such that rotation of the knob 15 causes the gauge plate to move with respect to the housing and hence with respect to a circular blade journalled in a further housing which accommodates transmission from an electric motor and also acts as a blade guard. The two parts 24', 24" of the box 24 meet along a line that follows the screw thread and are locked together by tongues 28 and slots 29. The gauge plate is formed by walls 19 reinforced by ribs 21 and guided with respect to housing 14 by a pin 22 located between two checks 22'.
Patent GB-356992-A (GB)
Title: Improvements in water tube boilers
IPC: F22B21/14
Filed: 1930-11-04
Abstract: 356,992. Water-tube steam boilers. YARROW, H. E., of Yarrow & Co., Scotstoun, Glasgow. Nov. 4, 1930, No. 33187. [Class 123 (ii).] In a Yarrow type boiler having two water drums F, D on the same side of the furnace, the bank of tubes Fl connecting the outer water drum to the steam drum G is about one-third as long again as the bank of tubes D<1> connecting the inner water drum to the steam drum, and a soot hopper P extends below a considerable portion of its length. The gases are directed over the tubes Fl by transverse baffles H, J.
Patent GB-659576-A (GB)
Title: Electric transmission circuits having non-linear amplitude transfer characteristics
IPC: H04B14/04
Filed: 1948-12-24
Abstract: 659,576. Non-linear circuits ; pulse code modulation circuits. STANDARD TELEPHONES & CABLES, Ltd. Dec. 24, 1948, No. 33225. Convention date, Feb. 26. [Classes 40 (v) and 40 (vi)] A signal is applied to N differently biassed rectifiers feeding n voltage dividers (where n#N), the output voltages from the dividers being combined to give a desired characteristic which may be logarithmic. A signal, which may comprise amplitude-modulated pulses, is applied from source 1, Fig. 4, to a series of rectifiers 3, individually biassed from potential divider 5. The output from load resistor 4 is applied over the dividing network 11, 18 to the primary of transformer 20. In a similar manner, the outputs from the other rectifiers are applied through suitable resistors 13, 15 and 17 to the primary of the transformer. As certain components are required in a negative sense they are fed over networks.12, 14, 16 and 19 to the primary of transformer 20 to oppose the voltages set up by the. first series. For pulse code modulation using a three-element code, combining circuits A, B and C are employed having input/output characteristics as shown in Fig. 3. Delay devices 22, 23 are employed in order that the final output pulses may be suitably spaced in time. In a modification, Fig. 5, the outputs from the dividers 11 ... 19 are fed to equi-gain amplifiers 23, 24 to produce an out-of-phase or in-phase signal. These are subtracted in the grid circuit of valve 28, a capacitor 29 in the anode circuit being charged accordingly. When capacitor 29 has been charged negatively to cut off valve 31, a gating pulse applied to valve 32 causes the common anode potential to rise and a positive pulse to pass to the output. Gating pulses are applied in sequence over leads 34, 35, 36 to produce the three successive output pulses. The circuits may be given more sharply defined characteristics, Fig. 6 (not shown), by using a larger number of rectifiers. In a further modification, Fig. 8 (not shown), positive and negative pulses are applied to a series of rectifiers biassed positively and negatively, the outputs being summed over a simple potential divider. In order to avoid incorrect coding at certain input levels, further rectifiers may be connected between the output of each rectifier and the next more positive tap on divider 5, Fig. 9 (not shown). Since zero output may occur over narrow ranges, a circuit giving a small output for no input may be applied in a feed-back connection between the output of the combining circuits and the signal input, Fig. 7 (not shown).
Patent GB-805979-A (GB)
Title: Hoist with gear reduction
IPC: B66D3/22
Filed: 1955-11-22
Abstract: 805,979. Electric hoists. EUCLID CRANE & HOIST CO. Nov. 22, 1955 [Dec. 17, 1954], No. 33380/55. Class 78 (5). Winch drum 15 is driven through a double epicyclic gearing by motor 17 which drives sun-gear 20, the latter being connected to and driving the sun-gear 28 through planet-wheels 21 carried by planet-carrier 22, and through ring-gear 27 integral with and driving sun-gear 28, a further ring-gear 25 being provided. In turn, sun-gear 28 drives drum 15 through planetwheels 29 carried by planet-carrier 31 and ring- gear 33 fixed to end-plate 11, the drum 15 being secured to the said planet-carrier. Brake.-Ring-gear 25 and planet-carrier 22 are interconnected by a brake system positioned in chamber 46, which chamber is secured to end-plate 12 and filled with oil. The brake system includes fixed annular abutment 41; ring 48; over-running clutch 49, 50, of which the inner member 50 is keyed to planet-carrier 22; brake shoe 43 secured to ring-gear 25 and formed with cams 51; and cams 52 fixed to endplate 12 and co-operating with said cams 51. When the drum cable carries a load, the ring- gear 25 is urged in the direction of the arrow so that the cams coact to jam brake disc 48 against abutment 41. If the load is being lowered, the over-running clutch engages and planet-carrier 22 is braked. The load therefore is braked as it descends. If the load is being raised, however, the effect of brake disc is not transmitted to the planet carrier because the over-running clutch is disengaged. The load therefor is not braked as it ascends.
Patent GB-1468833-A (GB)
Title: Thermal insulation mat or blanket
IPC: B32B7/04
Filed: 1974-07-15
Abstract: 1468833 Laminated thermally-insulating sheet BRICELL PLASTICS Ltd and W B IMISON 15 July 1974 [13 July 1973] 33458/73 Heading B5N [Also in Division F2] A thermally-insulating mat or blanket of quadrilateral configuration comprises flexible sheets 11 joined to form pockets 12 each of which is substantially wholly filled by at least one sheet 13 of expanded polystyrene. The periphery may be reinforced by one or more strips 15 or by folds in the sheets 11. Rings or eyelets 16 enable two or more mats to be joined. The sheets 11 and strips 15 may be of polyethylene, polyvinyl chloride or canvas. The mat is used for tent groundsheets, lagging tanks and protecting uncured concrete and as a floating cover for reservoirs.
Patent GB-776059-A (GB)
Title: Improvements in or relating to toggle fasteners
Inventor: LOVE JOHN
IPC: E05C19/14
Filed: 1953-12-02
Abstract: 776,059. Toggle fastenings. K.A.C. Ltd. April 22, 1954 [Dec. 2, 1953], No. 33545/53. Class 44. A toggle fastening of the kind comprising a primary part 1 and a secondary part 2 to draw together and secure two relatively movable parts by means of a toggle lever 7 linked to the primary part 1 by member 11 and engaging the secondary part 2 by the notched side cheeks 18 and anchorage studs 19, has an auxiliary lever 22 serving as an extension of the unnotched end of the toggle lever 7 and is stowable in the secondary part 2 when the fastening is closed to be collinear with and mainly beyond the unnotched end of the toggle lever. The primary part 1 comprises a metal bracket connected to a movable part by bolt-holes 4 and having the link 11 pivoted in a bifurcation 3. The secondary part 2 is formed from side-plates 5 spaced apart by tubular rivets 6. The link 11 comprises a female part 13 into which a male part 14 is axially screwed, the two parts being held against accidental rotation by a cotter-pin 17 inserted in a slot 16 in the part 13. End 14 of the link is pivoted between the side cheeks 18 of the toggle lever 7 which extends downwardly from the pivot to engage the anchor-plates 19, and upwardly to form an operating arm with lever 22 pivoted at its end. Arm 23 of lever 22 engages the web 9 of toggle lever 7 when both levers are collinear but permits anti-clockwise rotation of lever 22 during which the end of arm 23 engages an eccentrically positioned cylindrical surface 38 which throws the toggle lever outwards against the load which retains it in an over dead-centre position. Arm 24 of the auxiliary lever 22 is shaped so that on closing the fastening the bevelled end 34 lifts a latchplate 27 which drops over the end to engage the recess 31 and is held in position by a spring 36, one end of which bears against lever 22. By pressing the latch-plate 27 inwardly the lever 22 is released and partially ejected by the spring 36 to enable it to be grasped and pulled downwards in the direction of the arrow D to release the toggle lever 7. A transverse pin 35 checks the inward movement of the lever 22 when the fastening is closed and checks outward movement of spring 36 when the fastening is open. The latch-plate 27 which is pivoted at 29 may carry a downwardly-depending kicker arm which throws the lever 22 outwards when the latch-plate is moved inwards. Specifications 644,699, 681,949 and 775,423 are referred to.
Patent GB-1241496-A (GB)
Title: Fluorine containing poly-n-vinyl carboxylic acid amides, process for their preparation and use
IPC: C08F26/02
Filed: 1969-07-03
Abstract: 1,241,496. Making textile oil and water repellants. FARBWERKE HOECHST A.G. 3 July, 1969 [4 July, 1968; 17 Oct., 1968], No. 33557/69. Heading D1P. [Also in Divisions C2 and C3] Fibrous materials and textile materials containing cellulose and/or wool are rendered oil and water repellant by treatment with a polymer having recurring units, which may be the same or different, of the formula in which Rf represent a perfluoun alkyl group having from 3 to 10 carbon atoms, the number of carbon atoms in each Rf group being variable within the polymer, and X and Y, which may be the same or different, each represents a fluorine atom or a hydrogen atom.
Patent GB-648979-A (GB)
Title: Improvements in or relating to the production of oxygen by liquefaction of air
IPC: F25J5/00
Filed: 1947-12-19
Abstract: 648,979. Air separation. HYDROCARBON RESEARCH, Inc. Dec. 19, 1947, No. 33605. Convention date, Dec. 21, 1946. [Class 8(ii)] Carbon dioxide is removed from air prior to liquefaction and rectification by passing a stream of air through a path 12, Fig. 1 in a heat-exchanger 10 in indirect countercurrent heatexchange relationship with a stream of rectification product, e.g. nitrogen in a path 13 and warming a minor portion of the cooled air, e.g. by passing it through a path 11 to a temperature such that on subsequent expansion, e.g. at an engine 29 substantially more of the expanded air is liquefied, and maintaining the temperature difference of the air leaving and of the nitrogen entering the exchanger 10 between 5‹ and 10‹F. and periodically switching the flow of air and nitrogen through their respective paths, e.g. by operating valves 14, 15, to effect removal of deposited carbon dioxide. In operation, air from a branch 16 of the main inlet 9a traverses the switching or reversing valve 14, the path 12, a line 20 the reversing valve 15 to a line 22 from which the said minor portion traverses a line 24 the duct 11 and a line 27 where it is united with a portion of the remaining air in a line 3 before being cooled at the expander 29 and fed into a low pressure rectification column 52. Simultaneously air from a branch 43 traverses a reversing valve 41 a path 34 in a second exchanger 33 in heatexchange with returning oxygen in a path 35, a line 47, and reversing valve 42 and a line 48 leading to the line 30. The air and oxygen paths are switched by the valves 41, 42 and further cooling is effected by nitrogen from the column 52 flowing through a path 36. Cool air from the line 30 not expanded at the expander 29 is further cooled at exchangers 54, 55 by returning oxygen and nitrogen. In a modification each exchanger 10, 33 is divided into two sections, one section only of each exchanger having the switchable paths. In a further modification one reversing exchanger only 80, Fig. 3, is provided and air having passed the reversing valve 14 deposits carbon dioxide in a path 81 where it is cooled by returning nitrogen and oxygen in paths 82, 83 and nitrogen in a non- switching path 85. The said minor portion of cooled air is warmed by passing it through a path 84. Specifications 469,943 and 647,483, [Group XIII], are referred to.
Patent GB-1242027-A (GB)
Title: A logical operation circuit device
Inventor: SUZUKI YASOJI
IPC: H03K19/21
Filed: 1969-07-03
Abstract: 1,242,027. Adder/subtractor. TOKYO SHIBAURA ELECTRIC CO. Ltd. 3 July, 1969 [3 July, 1968], No. 33614/69. Heading G4A. [Also in Division H3] Digital adder subtractor is composed of exclusive OR gates, AND gates, an OR gate and a flip-flop. It can be shown that the Boolean equations for binary sum, carry (Ca) and borrow (Cb) terms.: can be rewritten to include exclusive OR terms. In the adder subtractor shown in Fig. 3 including an Op signal determining whether an addition or a subtraction operation is to be performed, the equations become S = CX+CX Co = CX + AB Cb = CX + AB where X = AB + AB Incorporating the Op term where Op= 0 for addition and 1 for subtraction gives It can be seen that the circuit of Fig. 3 produces the required sum and carry terms, the carry term being used to set a flip-flop to delay the carry for addition to the next most significant term. The exclusive OR gates can use transistors connected as shown in Fig. 5 with diodes 25, 27 acting as noise suppressors, or mosfets shown in Fig. 6, and can be integrated circuits.
Patent GB-351881-A (GB)
Title: Improvements relating to electric cables
IPC: H01B9/02
Filed: 1930-11-08
Abstract: 351,881. Cables. BROWN, W., 89, Douglas Street, Glasgow. Nov. 8, 1930, No. 33669. Grant of Patent opposed. [Class 36.] In a cable of the type in which one or more insulated cores and an earthing conductor are enclosed within a metallic sheath, the earthing conductor is constituted by stranded wire, the individual strands of which are in electrical contact with the sheath. The Figure shows a stranded earthing conductor 3 accommodated between the cores 1 and the metallic sheath 2 of a twin-core cable.