baber/WOPTO huggingface dataset:
Patent GB-657734-A (GB)
Title: Quickly-removable doors
IPC: B64C1/14
Filed: 1949-03-25
Abstract: 657,734. Multiple fastenings. ARMSTRONG WHITWORTH AIRCRAFT, Ltd., Sir W. G., and WATSON, H. R. March 25, 1949, No. 8168. [Class 44] [Also in Group XXXIII] A removable door for closing a cavity in the wing of an aircraft, is formed mainly of two folding parts of which the edges remote from the hinge axis have bolt and socket engagement with the door surround which is automatically released by folding of the door, and each of the parts is held aligned with the other in the closing or non-folding position by other bolt and socket engagements between the other edges of the door and the door surround which act parallel to one another and are released by handle means carried by the door. The door parts 17, 18, Fig. 2, are hinged at 19 on an axis extending spanwise of the aircraft wing. The forward and rear edges 20, 21 of the door have fixed projecting bolts 22 engaging in sockets in the door surround; these bolts are withdrawn on raising the hinged axis, causing the parts to fold. The extent of folding movement may be limited by a bar 25, Fig. 3, pivoted to one part and having pin and slot connection with the other. The other edges of the door parts each have bolts 27, Fig. 2, sliding parallel to the hinge axis, taking into sockets on the surround; additionally internal sliding bolts 30, Fig. 11, may engage openings in an internal part 31 of the wing. All the sliding bolts of each part are actuated by means of a single handle 33, Fig. 2, on a shaft 34, which may, as shown in Fig. 10, carry a crank 35 from which two of the bolts are operated, the other two being actuated from a similar crank on a shaft 37 or 37a, Fig. 2, linked to shaft 34. The handles are conveniently arranged near the hinge axis, and are preferably flush fitting, and provided with spring catches 45, Fig. 5, to hold them in flush position. The catch 45 has an arm 46 notched to engage a pin on handle 33, and a flushfitting part 48 which is pressed to release the handle, which is spring biassed to a position 33b. For this purpose lost motion between the handle 33 and the shaft is arranged by fixing the handle to a sleeve 50 having a slot in which works a pin 51 on the shaft 34.
Patent GB-736542-A (GB)
Title: Improvements relating to thermionic cathodes
IPC: H01J1/16
Filed: 1953-03-26
Abstract: 736,542. Thermionic-cathode constructions. EDISON SWAN ELECTRIC CO., Ltd. March 26, 1953 [March 28, 1952], No. 8427/53. Class 39 (1). A therinionic cathode comprises two or more electron-emissive filaments helically wound and spaced apart, together with one or more support wires wound helically in the opposite sense and of appreci. ably smaller winding pitch, forming a mesh assembly. In Fig. 2 the support is a single helical wire 4, it is shown as passing alternately over and under the filament helices 1, 2, 3, but it may be wholly inside or outside. The support helix may be of, or covered with, insulating material, and may have notches to locate the filament wires, Figs. 3a, 3b (not shown), or stops for the same purpose, Figs. 3c, 3d, 3e (not shown). When more than one supporting helix is provided, each may be arranged to support every second or third filament helix only, so that the filament helices constitute separate groups which can be fed from a polyphase supply. All the wires may be of stranded construction, and Figs. 4a, 4b (not shown) illustrate methods of attaching their ends to terminal plates. The input conductors may be coated with zirconium for gettering.
Patent GB-293099-A (GB)
Title: Improvements in refuse destructors and like shaft furnaces
IPC: F23G5/24
Filed: 1927-03-28
Abstract: 293,099. Woodall-Duckham (1920), Ltd., Scott, A., and Reber, J. W. March 28, 1927. Shaft furnaces. - Refuse destructors and like shaft furnaces in which material is burnt by blast introduced through tuyeres are provided with a cooling jacket d having its upper part extended outwardly at e around the tapering upper part b of the shaft a which is charged through the open ing c.
Patent GB-564871-A (GB)
Title: Improvements in and relating to milling machines
IPC: B23C9/00
Filed: 1943-05-28
Abstract: 564,871. Milling screws. PLAN-OMILL CORPORATION. May 28, 1943, No. 8538. Convention date, May 16, 1942. [Class 83 (iii)] In a milling-machine for cutting internal or external screw threads of large diameter by means of a planetary cutter, the machine spindle 23 which is eccentrically mounted in a bush 22 eccentrically supported in a rotatable sleeve 21 has a short shaft 36 attached thereto by a draw-bar 37 which serves to rotate a milling hob 34 through gears 35, 33. The shaft 32 carrying the hob and gear 33 is mounted in a housing 29 secured to an elongated plate 25 attached by screws 26 to the bush 22, the lateral displacement of the cutter axis from the axis of the spindle 23 enabling it to have a planetary motion round a larger workpiece than if it were mounted directly in the spindle. An end plate 38 on the housing 29 secures the bearing assembly for the shaft 32.
Patent GB-250230-A (GB)
Title: Improved manufacture of substances for reducing arterial hypertension
IPC: A61K35/407
Filed: 1926-03-29
Abstract: 250,230. Macdonald, W. J. April 3, 1925, [Convention date]. Hypodermic injections.-Substances for injection to reduce arterial hypertension are prepared by making an extract or liver or related glands, purifying the extract, and fractionally precipitating two active substances therefrom. In an example, calf liver is ground in the presence of chloretone, and extracted with Locke's solution containing a trace of sulphuric acid. The solution is filtered and evaporated to dryness under reduced pressure. The residue is extracted with alcohol and the solution filtered and evaporated to dryness in an air current. The substance so obtained is taken up in physiological salt solution and sterilized by filtration through a Berkefeld filter. Two active substances are separated from the extract by adding an equal volume of alcohol and then gradually adding acetone to precipitate first an oily substance, which is then removed, and finally a solid white substance. The oily substance is centrifuged, decanted off from any solid material present, purified if necessary by re-solution and precipitation, taken up in normal saline and passed through a Berkefeld filter. The solid precipitate obtained on adding more acetone after removal of the oily substance is removed from the solution by filtration, purified if necessary by re-solution and precipitation, dried in an air current, dissolved in normal saline, and the solution passed through a Berkefeld filter. To prevent precipitation on standing, the hydrogen ion concentration of the solution is adjusted by addition of sulphuric acid. The two active substances may be employed separately or mixed together. The Specification as open to inspection under Sect. 91 (3) (a) relates also to the preparation of the active substances from blood, lung, spleen, pancreas, thymus, heart, kidney or muscle. This subject-matter does not appear in the Specification as accepted.
Patent GB-819289-A (GB)
Title: An improved device for removing by scraping debris from relatively moving parts
IPC: E21D15/15
Filed: 1957-03-15
Abstract: 819,289. Stuffing-box substitutes. RHEINSTAHL WANHEIM G.m.b.H., [formerly EISENWERKE WANHEIM G.m.b.H.]. March 15, 1957 [March 16, 1956], No. 8683/57. Class 122 (5). A scraping device for relatively-movable parts, e.g. the piston rod 5 and the cylinder 1 of an hydraulic pit-prop, comprises a stripping sleeve 6 of rubber-like material arranged above a guide sleeve 4, and a split stripping ring 9 which embraces the piston rod 5, is arranged above the sleeve 6 so as to form an annular chamber 10 around the piston rod and is capable of radial and axial movement to yield (as shown in Fig. 2) to transverse movements of the rod 5 and excess pressure in the chamber 10 caused by the accumulation of dirt therein. The split ring 9 has a tapered bore arid is welded at one end to a split support ring 8 which is bent inwards for about a quarter of its periphery adjacent the welded portions, the remainder being sprung into a retaining groove formed in the cylinder immediately above the guide sleeve 6 and adjacent to the sealing lip 7 of the stripping sleeve 6. An annular gap 11 around the stripping ring 9 is provided so that a screwdriver or similar tool may be used to lift the free end of the stripping ring 9 to remove dirt from the space below the ring, which may, alternatively, be made of plastic material, in which case it is secured to the supporting ring 8 by a screwed or riveted connection instead of being welded thereto.
Patent GB-1011666-A (GB)
Title: Transistor vertical deflection circuits for television apparatus
IPC: H03K6/04
Filed: 1963-03-05
Abstract: 1,011,666. Transistor sawtooth circuits. RADIO CORPORATION OF AMERICA. March 5, 1963 [March 23, 1962], No. 8815/63. Heading H3T. A vertical deflection circuit for television apparatus comprises a capacitor 58 charged from a D.C. supply and discharged by a transistor 40, so as to produce a sawtooth waveform which is amplified by a further transistor 32 and applied to deflection coils at terminals V. A regenerative feed-back path is provided between the collector of transistor 32 and the base of transistor 40 so that the circuit becomes selfoscillatory. A second feed-back path via a transformer to the base of transistor 34 converts the sawtooth current in the deflection coils into an S-shaped waveform required for wide angle cathode-ray tubes. As described, the regenerative feed-back path includes a high-pass circuit 70 which transmits only the flyback pulse and the S-wave component. At the end of each sweep the fly-back pulse drives transistor 40 into conduction, discharging capacitor 58 and charging capacitor 72 until the conductive states of transistors 32, 40 become reversed when a further sweep is commenced; capacitor 58 charging via resistors 62, 60 and the base/ emitter path of transistor 32. A further feedback path via resistor 84 prevents premature triggering by noise present on the synchronizing circuit 86. Resistors 66, 76, 62 respectively provide control of linearity, frequency and amplitude. In Fig. 4 (not shown) the deflection coils are directly connected to the collector of transistor 32, whilst in Fig. 3 (not shown) the deflection coils are coupled via a capacitor.
Patent GB-609874-A (GB)
Title: Improvements in apparatus for detecting changes in intensity of illumination
IPC: G01J1/16
Filed: 1946-03-21
Abstract: 609,874. Detecting smoke. FAULKNER, A. W. March 21, 1946, No. 8830. [Class 40 (iii)] Apparatus for effecting the operation of a relay in response to a decrease in the intensity of illumination falling on a photo-electric cell, such as occurs when smoke intervenes between the cell and a light source comprises a pair of photocells illuminated from a common source and one of the beams being subjected to the obscuring action and an instrument which on being operated by a differential current from the cells further obscures the light falling on one of them, this effect continuing until a relay circuit is closed. In the embodiment shown, two cells 15 and 18 are both illuminated by the same light source 10 and are connected in parallel opposition, a moving coil relay 20 being connected across them. The light falling on cell 15 passes both through a transparent channel carrying the air under test and through a hole 12 in the face of the moving coil relay. Should the channel become obscured, the resulting unbalance of the cells causes movement of the pointer 31 of the relay and a plate 22 mounted on this pointer moves to obscure partially the hole 12 further reducing the light falling on cell 15 causing still further movement of the pointer 31 until contacts 23 and 24 on the same spindle as the pointer 31 close and operate an alarm 26. The apparatus may be reset by opening switch 27 supplying the lamp 10. The Provisional Specification states that the smoke duct may be connected to a number of sources in turn by a motor-driven rotary member.
Patent GB-237533-A (GB)
Title: Improvements in loose-leaf note books, files and the like
IPC: B42F9/00
Filed: 1925-04-03
Abstract: 237,533. Jockusch, F., and Schaefer, W. April 3, 1925. Covers; clamping-devices; leaves.-In a looseleaf notebook &c., the block of leaves 4, Fig. 1, is inserted into the cover from the top or bottom and held frictionally therein by rigid clamps 5 embracing the cover-back 2 and pressing weak portions 3 between the back 2 and sides 1 inwardly to grip the leaves. Longitudinal grooves or narrow slots may be formed in the leaves to engage the inwardly preseed portions and guide the sheets during insertion and removal. The clamps are of flattened oval cross-section and their free ends 9 may be doubled over as shown in Figs. 3 and 4, and rounded as at 10 to prevent cutting the portions 3, or may have cut-away parts 13, Fig 5, forming tongues 12 to engage the portions 3.
Patent GB-273029-A (GB)
Title: Process for the manufacture of artificial india rubber
Filed: 1926-04-01
Abstract: 273,029. Villa, V. April 1, 1926. Fatty oils.-In the production of artificial rubber by subjecting animal or vegetable oils to the action of chloride of sulphur, the process is carried out in presence of a catalyst consisting of depolymerized chlorine-free artificial rubber in a closed vessel and at a temperature preferably between 0 and 15‹ C. By this means a smaller proportion of chloride of sulphur may be used without preliminary oxidation or sulphuration of the oil, formation of hydrochloric and sulphuric acids is obviated, and large quantities of oil may be treated at a time and a homogeneous product be obtained. The catalyst used may be depolymerized and freed from chlorine by dissolving it in benzol or sulphur tetrachloride at a temperature preferably above 40‹ C., and then removing the solvent. In an example, an intimate mixture of 75-85 per cent of crude filtered colza oil and 3-8 per cent of the catalyst is made in a mixing or grinding apparatus and 6-12 per cent of chloride of sulphur is added. The mixture is then placed in moulds from which contained air is expelled by means of syphons, e.g. of indiarubber. which may remain embedded in the mixture, the mould being surrounded by a cooling mixture or liquid to keep them at the desired temperature. The reaction takes several hours to complete.
Patent GB-306104-A (GB)
Title: Improvements in and relating to drawing mechanism of spinning machines
IPC: D01H5/26
Filed: 1928-03-23
Abstract: 306,104. Hoffmann, F. Feb. 17, 1928, [Convention date]. Rollers and roller heads. - In drawing- mechanism for spinning-machines wherein a feed belt forms with the lower middle roller a curved drawing field the upper middle roller f, embraced by a belt k pressed by a guide member h, is displaced towards the feed rollers a, b by an amount x, so that its nip with the lower middle roller g is on the side remote from the drawing rollers c, d and it is heavily weighted so that the slip of the fibres takes place only in the drawing field beyond the nip. The drawing field extends on both sides of the central plane of the lower middle roller, and the distance between the nips of the middle and drawing rollers exceeds the length of the fibres. The roller f is formed as shown in Fig. 3 and is supported in a frame, which carries the members and is mounted in the guide-slots provided in the stands of the usual three pair roller heads, the pins u, Fig. 2, being offset to effect the desired displacement of the roller f. The frame is provided with saddles m to engage the reduced portions n of the roller f and is gapped at p to allow a pressure member to be applied to the central portion q. Specification 195,071 is referred to.
Patent GB-236642-A (GB)
Title: An improved rotary internal-combustion engine
IPC: F01C1/00
Filed: 1924-04-08
Abstract: 236,642. Taylor, J. G. April 8, 1924. Closure members, tapered plug lift.-The air valves m of an internal-combustion turbine comprise a spindle having an air passage m<2> leading to small apartures m<4> at the back of a head m<5> which on an explosion taking place is closed down on its seating to cut off the air supply.
Patent GB-351048-A (GB)
Title: Improvements in or relating to signalling systems for hotels
IPC: G08B5/36
Filed: 1930-03-20
Abstract: 351,048. Electric signalling systems. LYONS & CO., Ltd., J., Cadby Hall, Kensington, DOUGLASS, P. G., 12, Auriol Mansions, West Kensington, and PASSMORE, C. R., Ardneil, Oakleigh Park, Whetstone, all in London. March 20, 1930, No. 8941. [Class 40 (i).] In a signalling system for hotels, ships, &c., of the kind in which upon actuation of a call switch appertaining to a given room, a room signal and section signals common to the section in which the room is located are operated, a plugboard is provided at a central point for connecting several 'sections together whereby a composite section is constituted so that a call switch actuates the corresponding room signal and also the signals throughout the composite section. The Figure shows the circuits associated with a single room Rg of a section G and the complete equipment 13 at the central point or service department for a plurality of similar sections. The supply mains 1, 2 run throughout all the sections and individual lines 3a .. 3g connected to the room and section signals are provided for the sections. When a call switch 4 is actuated, relay 5 is operated to bridge the contacts 7, 8, 9 and thereby illuminate the room lamp 10 and the section signal 11 (only one of which is shown) over a circuit including the line 3g. Relay 5 is locked up to maintain the signals operative until released upon operation of the resetting push 6 by the maid on answering the call. A lamp 11g in the service department corresponding to the section also is operated. A plug 12 is provided in the framework of the door of the room to facilitate plugging in a portable buzzer in order that the maid may be called while she is in the room. When the buzzer is in position the door of the room is prevented from being closed. The lines 3a .. 3g of the various sections are connected to a plugboard at the service room so that any line may be connected to any of the others to form a composite section. Each line is connected to a vertical row of sockets and also one socket in each of the other rows so that the sections may be interconnected at will. " Mealcall" units 15a .. 15g arranged similar to the room equipment are provided in the service room, so that operation of a push 4<1> operates the corresponding section signals, and also additional signals such as 16 throughout the section to signify a " meal-call." Push-buttons 17 connected in parallel with the buttons 41 are located in the still-room. At night, the lines 3a .. 3g are all connected together through the plugboard so that upon depression of a push 4 a lamp 18 and bell are operated in the porter's lodge and all the section lamps in the service room are lighted. The switches 14a .. 14g are simultaneously opened to disconnect the sections from one another and thus extinguish all the section lamps except that appertaining to the affected section. The porter's signalling devices are operated by a relay 19 which may be shortcircuited by a manual switch 22.
Patent GB-140817-A (GB)
Title: Improvements in and relating to annealing furnaces for glass-ware and the like
IPC: C03B25/02
Filed: 1920-03-26
Abstract: 140,817. Thompson, H. M. June 1, 1918, [Convention date]. Annealing-furnaces; muffle furnaces.-A gasfired annealing leer, comprising a muffle chamber 4 with a flat floor and roof formed of tubes 8, is heated by a combustion chamber 7 above the roof at the forward end, and a series of flues leading to a regenerator chamber 16 containing the gas and air supply pipes. The gas is supplied through a downtake 24, having at its lower end a dust pocket 27 and cleaning-door 29, and a pipe 22, into which opens the air-supply pipe 23 at a point near the partition wall 17 between the combustion and regenerator chambers. The heating-gases from the chamber 7 pass downwards through side flues 11 to transverse flues 12 beneath the floor leading to longitudinal flues 13, and thence through a second set of transverse flues 14 and side uptakes to the regenerator chamber 16 and the stack flues. The side walls of the muffle chamber may have inset tubes 20. Burner parts 21 are provided in the front wall of the combustion chamber 7 for use when oil, clean producer gas, or natural gas is used as fuel.
Patent GB-1049712-A (GB)
Title: Improved belt, harness or like wearing apparel ballasted for use by divers or astronauts
IPC: B63C11/30
Filed: 1964-03-03
Abstract: <PICT:1049712/C3/1> A compound material comprises a flexible carrier, e.g. of natural rubber and particles of dense material, e.g. metals such as lead or uranium.  As shown, the compound material may be in the form of a belt for divers or astronauts having a central core 10 containing a higher proportion of dense material, the particles being larger and more closely distributed than in intermediate layers 8 and 12.
Patent GB-564873-A (GB)
Title: Improved anti-rattle device for securing doors, lids and the like
IPC: E06B3/44
Filed: 1943-06-04
Abstract: 564,873. Anti-rattle device for doors &c. COPE, J. C. June 4, 1943, No. 9002. [Class 65 (i)] An anti-rattle device for doors &c. comprises a pair of rollers mounted on bushes e in a recess in the door or frame, and each comprising a cup or cylinder g housing a rubber &c. bush, so that when member i on the frame or door enters between the rollers during the closing movement, they are moved apart by the compression of the rubber and grip member h. The latter has depressions j into which the rollers drop after the rounded end of i has passed between them. The door may be locked by a rotatable pin k cut away at o to provide clearance for the normal radial movement of the upper roller during closing of the door, and adapted to be rotated'to block said roller by a pull rod n engaging a crank m thereon. In another form, the member h is replaced by a pair of round pins between which the rollers engage.
Patent GB-984568-A (GB)
Title: Precipitator power connection
IPC: B03C3/74
Filed: 1961-03-13
Abstract: 984,568. Electrostatic precipitators. APRA PRECIPITATOR CORPORATION. March 13, 1961 [March 28, 1960], No. 9024/61. Heading B2J. A gas cleaning electrostatic precipitator comprises a plurality of collecting surfaces and associated ionizing electrodes arranged in parallel rows of compartments 12 formed by partitions 22, 24 in a housing 10, the compartments 12 being arranged in a number of separate adjacent groups 1 to 8 each comprising a number of contiguous compartments 12 connected to a common current supply 62, 63, 65, 66 &c., which is separate from that of any other group, and means such as angularly and laterally spaced rotary ducts 36a-36d, for cleaning all the compartments of each group in succession and before the compartment of any other group. With this arrangement all the compartments of any one common electrical source are cleaned in succession so that the average degree of cleanliness of any such group is improved. As shown, the compartments are enclosed in a housing 10 open at the bottom to provide a dirty gas inlet and merging at the top into a cylindrical chamber 26 having a main gas outlet 14 and supporting the rotary ducts 36a-36d which radiate from a central cylindrical hub 34 to sweep in succession along the rows of compartments 12, the free end of each duct being complementary to the upper end of a compartment 12 where it joins the cylindrical chamber 26. The hub 34 opens at one end to duct 39 which is connected to a fan (not shown) to draw purging air through whichever duct 36 is operative at any time. The Specification refers to application of the invention to a rotary unit, Fig. 4. Specifications 684,024 and 841,639 are referred to.