baber/WOPTO huggingface dataset:
Patent GB-296930-A (GB)
Title: Improvements in and relating to reciprocating drilling machines for deep hole drillin
IPC: E21B19/08
Filed: 1927-12-16
Abstract: 296,930. Grant, J. J. Dec. 16, 1927. Borehole apparatus.-In a welldrilling machine having reciprocating drill rods and in which a piston connected to reciprocate with the drill rods is resiliently supported in a cylinder on an air cushion, arrangement is made so that the supporting air pressure is substantially constant during the inward and outward stroke of the piston. A drilling machine 3, Fig. 2, is operated by any suitable pressure and is lowered along guides 2, drill rods 9 being added' as required. The machine 3 is supported by a bridle 7 connected to a cable 5 passing over a drum 14. The piston of the drilling machine is provided with an upwardly extending piston rod 10 having a bearing 11 connected to a hanger 12 and sheave 13 running in a cable 6 so as to allow the piston and rods 9 to reciprocate with respect to the drilling machine. A cylinder 20 closed at one end 21 and with a piston guide 22 at the other, has an inlet port 23 and an exhaust 24.. A piston 25 has a rod 26 connected to a bell crank 28 carrying a sheave 31 engaging the rod cable 6. The cable passes upwards over a sheave 33 on to a drum 34. The drums 14 and 34 are preferably of the same diameter and may be operated independently or together at the same speed so that the drill rods 9 and the machine 3 may be advanced simultaneously. The cylinder is supplied by tanks 35, 40, Fig. 3. The tank 35 is a reserve one and is supplied by a pipe 36 from a compressor. An outlet 37 has a check valve 38 and a reducing valve 39. A second pressure tank 40 of a preferred capacity of twenty tirnes the cylinder 20 has flow and return pipes 41, 42 connected to the cylinder 20. The flow pipe 41 has a reducing valve 43 and a check valve 44 to prevent return flow. The return pipe has a blow-off valve 45. Both pipes have shut-off valves 47. As the drill rods increase in weight with the depth, the pressure in the cylinder varies greatly. Assuming the weight of the drill rods to be counterbalanced requires a pressure at any one time of 100 lbs per square inch, it is preferred to use excess pressure on the tank 35 and reduce it by the valve 39 to the pressure tank 40 at 100 lbs. With a cylinder one twentieth of the capacity of the tank 40. the return stroke of the piston will add one volume of air to the tank. increasing the pressure to 125 lbs. which is sufficient in raising the drill rods to overcome the friction of the working parts. On the downward stroke of the drilling machine piston the sheave 31 is raised driving back the piston 25 and raising the pressure. As the piston is driven past the exhaust port 24, the flow through the pipe 42 is cut off and the remaining air is trapped causing a cushioning effect which will bring the rods 9 to rest without shock.
Patent GB-510944-A (GB)
Title: Improvements in or relating to the coating and impregnating of materials
IPC: B05D7/26
Filed: 1937-12-09
Abstract: 510,944. Coating surfaces. CARPMAEL, A., and I. G. FARBENINDUSTRIE AKT.-GES., Dec. 9, 1937, No. 34140. [Class 95] [Also in Group IV] Surfaces are coated by the application of functional derivatives of crotylidene cyanacetic - acid in liquid, dissolved, emulsified or suspended form in the presence of alkaline reacting substances (which may be the surface itself) the derivatives polymerizing in situ to yield the coating.
Patent GB-521659-A (GB)
Title: Improvements in apparatus for coating the inner surface of a tube with powdered material
IPC: H01J9/22
Filed: 1938-11-24
Abstract: 521,659. Ornamenting; hoppers. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. fur Elektrische Gluhlampen). Nov. 24, 1938, No. 34190. [Class 93] [Also in Group XXX] The inner surface of a tube, previously coated with a binder, is coated with powdered material by a machine which supports and rotates the tube horizontally and also shakes it, the powder being introduced in predetermined quantity' and uniformly distributed during rotation of the tube. The tube 9 is carried by pairs of discs. 4 mounted on shafts 5<SP>1</SP>, one shaft carrying one or more wheels 10 put out-of-balance by a screw 11. The tube may also be shaken longitudinally. The powder is introduced from two troughs 15, one entering from each end, the troughs being borne by carriages 13 with wheels 14 travelling on rails 1, the troughs being rotatable for discharge by a milled knob 17. Each trough' is filled from a hopper 19 having a lid 21 with out-of-balance shaker 22. The height of the trough 15 is adjustable to suit tubes of different diameter. The .wheels 10 may be omitted and one or more of the discs 4 made of fibre with notched, toothed, or other irregular rims. Excess of powder is shaken out on removal of the tube from the machine.
Patent GB-999082-A (GB)
Title: Improvements in or relating to devices for filling liquids into containers
Inventor: HULL IAN
IPC: B67D7/48
Filed: 1963-08-29
Abstract: 999,082. Valves. KISMET Ltd. July 9, 1964 [Aug. 29, 1963], No. 34242/63. Heading F2V. A device for filling a container, such as the petrol tank of a motor vehicle, with liquid, includes a valve 3 connected to opening means 5, an opening 16 closed by the rising level of liquid to cause the valve 3 to close, means 13, 14 for latching the means 5 in a valve-open position, and an auxiliary valve 26 to close the opening 16 and hence the valve 3 if the device falls or is inadvertently displaced from its correct position during filling. When liquid is discharging from the nozzle 2 of the device, air is drawn through the opening 16 which communicates with the space above a spring- loaded diaphragm 22 by way of passages 18, 23, 19 and 20. Closure of the opening by the liquid or by movement of the valve 26, which is constituted by a loose ball, reduces the pressure above the diaphragm to displace a cam. 24 acting on the spindle 12 of the valve 3 through a lever 9. Specification 770,706 is referred to.
Patent GB-212968-A (GB)
Title: Improvements relating to appliances for playing board games
IPC: A63F3/00
Filed: 1922-12-16
Abstract: 212,968. Algie, J. M. Dec. 16, 1922. Drawings to Specification. Board games.-Appliances for playing a board game comprise a board having depicted thereon a golf course with tees, greens, hazards, &c. and divided into diamond-shaped spaces by two series of intersecting lines; discs, counters, &c. representing balls to be moved over the board according to rules; and a number of discs with numbers thereon corresponding to the relative distances that a ball is likely to be driven by various golf clubs. Reference has been directed by the Comptroller to Specifications 3840/92, 19192/92, and 26413/09.
Patent GB-643388-A (GB)
Title: Improvements in or relating to the production of polymeric materials
IPC: C08G63/185
Filed: 1947-12-29
Abstract: A polyester which can be cold-drawn into fibres is prepared by heating in an inert atmosphere at 150-250 DEG  C., benzophenone-4,41-dicarboxylic acid or an ester thereof and a glycol of the series HO(CH2)nOH, the product being then heated at 250-350 DEG  C.  The condensation may be assisted by a catalyst such as magnesium, lithium or sodium.  In the example benzophenone-4,41-dimethyl dicarboxylate is heated with ethylene glycol in a current of nitrogen, magnesium ribbon being present as a catalyst.  Heating in vacuo follows to remove excess glycol and the product is then heated further in vacuo or in a stream of inert gas to yield a film-forming polymer.ALSO:4 : 41-Dimethyl dicarboxylate is prepared by oxidizing 4 : 41-ditolylmethane first with nitric acid to 4-methyl benzophenone-41-carboxylic acid and then with alkaline potassium permanganate to benzophenone-4 : 41-dicarboxylic acid. Warming with phosphorus pentachloride from the acid chloride which is treated with methyl alcohol to form the methyl ester which is washed and dried.
Patent GB-838670-A (GB)
Title: Isonicotinoylhydrazine derivatives
IPC: C07D213/86
Filed: 1957-11-05
Abstract: The invention comprises compounds of the general formula <FORM:0838670/IV (b)/1> (wherein R represents an alkyl or cycloalkyl radical of 4-18 carbon atoms) and their salts, and the preparation thereof by reacting isonicotinoylhydrazine, at a temperature below 100 DEG  C., with a compound containing the radical RO-CO-, e.g. with an alkyl or cycloakyl halocarbonate, or with an alcohol and a carbonyl halide.  The products are useful for the treatment of tuberculosis.
Patent GB-648779-A (GB)
Title: Improvements in or relating to the securing of solid inserts in sintered metal bodies
IPC: B22F7/08
Filed: 1947-12-29
Abstract: 648,779. Powder metallurgy. PRIMAVESI, D. Dec. 29, 1947, No. 34529. Convention date, May 16, 1946. [Class 83 (iv)] In making a body of sintered metal powder containing a solid insert, the powder compact is formed with a hole to receive the insert which is inserted and packed in with a metal powder which melts at the ordinary sintering temperature of the compact, which is then sintered. In one example, iron powder is pressed into the form of a knob with a hole to receive a bolt and the space around the bolt is filled in with cast iron powder containing 4 per cent carbon. The body is then sintered at 1250 ‹ C. Alternatively the bolt is packed in with a mixture of 70 per cent iron powder and 30 per cent copper powder and the body sintered at 1050‹ C. After repressing in a direction at right angles to the. original compacting, the body is again sintered at 1200‹ C. In another example a pressing for a lock casing consisting of a mixture of copper and iron powder had an aperture to receive a copper nut which was packed in with a bronze powder and the whole sintered at 950‹ C.
Patent GB-648750-A (GB)
Title: Improvements relating to devices for the interconversion of sound and electrical oscillations
IPC: H04R9/06
Filed: 1946-11-21
Abstract: 648,750. Magnets. BRITISH THOMSONHOUSTON CO., Ltd., BOCOCK, W. A., and SIMPSON, H. Nov. 21, 1946, No. 34539. [Class 35] [Also in Group XXXIX] A permanent magnet 5 is centrally located within a magnetic pot-shaped yoke 4 by a non-magnetic spacing member 6 which is forced on the magnet and engages the inner wall of the yoke by a press fit. An annular air gap is formed between the permanent magnet and a mild steel ring 9 pressed into the yoke. The spacing member may be trough-shaped or formed as shown, and may abut against a shoulder formed in the yoke. The magnet. assembly is clamped to a loudspeaker chassis (see Group XXXIX).
Patent GB-314299-A (GB)
Title: Improvements in or relating to two-stroke gas engines
IPC: F02B43/00
Filed: 1928-11-23
Abstract: 314,299. Jackson, L. Mellersh-, (Maschinenfabrik Augsburg-Nurnberg Akt.-Ges.). Nov. 23, 1928. Cylinders, arrangement and form of ports of, and pipes for; explosions in inlet pipes, preventing.-In a two-stroke-cycle gas engine, pistoncontrolle'd gas and scavenging air ports b, a alternate round one side of the cylinder wall and are uncovered after exhaust ports c. The ports a, b, which may be rectangular or trapezoidal as shown; are arranged so that the air ports are uncovered first, the ports being supplied from pipes d, e. A rotary gas valve h is provided with an aperture h<1> which, when the valve is closed, allows air from the pipe d to sweep through the gas passages.
Patent GB-1228438-A (GB)
IPC: C09D127/12
Filed: 1968-07-19
Abstract: 1,228,438. Coatings. E.I. DU PONT DE NEMOURS & CO. 19 July, 1968, No. 34654/ 68. Addition to 1,064,840. Heading B2E. [Also in Division C3] Substrates are coated with a coating composition prepared by either milling a mixture of particles of a tetrafluoroethylene/hexafluoropropylene copolymer, whose respective monomer unit weight ratios are 95/5 to 75/25 and whose molecular weight is greater than 20,000 and an organic liquid having a surface tension (at 25�C) of below 40 dyes per centimetre to form a dispersion, the copolymer particles in the dispersion having an average radius of from 0.01 to 3 microns, no more than 50% (by weight of the particles having radii larger than 3 microns, and adding to the dispersion at least one auxiliary film-forming material or precursor thereof to form a coating composition, the composition containing less than 1 % by weight of water; or milling the particles and a solution of at least one auxiliary material or precursor in the organic liquid to form the composition. In the Examples the substrates coated are the steel blade of a snow shovel, a circular saw blade, copper wire, an iron sole plate, steel muffin tin, power saw blade, cake pan, aluminium fry pan and railroad hopper car.
Patent GB-358337-A (GB)
Title: Improvements in or relating to vacuum cleaners
IPC: A47L5/36
Filed: 1930-11-18
Abstract: 358,337. Vacuum cleaners. ELECTROLUX, Ltd., 153, Regent Street, London.- (Inventia Patent - Verwertungs Ges., 10, Herrenacker, Schaffhausen, Switzerland.) Nov. 18, 1930, No. 34700. [Class 8 (i).] The electric motor of ,a vacuum cleaner is cooled by an independent current of filtered air which then joins the suction current to pass through the fan. The motor 19 is mounted on an insulated ring 17 secured to posts 16 depending from a cover 11 containing the fan. A filter bag 25 encloses the motor 19 and is kept in contact with the base 35 by a funnel-shaped member 32 of insulating material, e.g. rubber &c., which isolates a portion 34 of the filter. The suction current passes from the container 10 through the filter to the suction opening 39 of the fan where it is joined by cooling air passing through holes 33, filter, and holes 37, 38 in the motor casing.
Patent GB-1376524-A (GB)
Title: Fastening device
IPC: F16B13/00
Filed: 1972-07-25
Abstract: 1376524 Screw sockets A FISCHER 25 July 1972 [17 Aug 1971 14 Sept 1971 15 Dec 1971 24 Dec 1971] 34755/72 Heading F2H A fastener for anchoring in a bore 7 in concrete comprises a close-coiled wire spring expansible member 1, e.g. of copper, through which extends a screw-threaded member 3 which is in threaded engagement with an expansion element 2 having a frusto-conical expansion portion 2a, which in use is drawn into the leading end of the spring 1, and an annular flange 4 which forms a stop for the leading end of the spring 1, and a stop member 5 for engaging the rear end of the spring 1. The stop member 5 is slidable on the member 3 (a bolt), and may have a parallel sleeve 5a extending into the spring 1, or a frusto-conical portion similar to that of the expansion member 2. The expansion member 2 and/or the stop member 5 may have a parallel-sided extension 9 (Fig. 2), with an external diameter equal to the free internal diameter of the spring 1, and an annular flange 10 to engage between turns of the spring to prevent loss of the member or element during handling. In a modification (Fig. 4, not shown), a plain portion (23b) of the bolt shank between the bolt head and the threaded portion has a diameter equal to the free external diameter of the spring. The stop member may be integral with the bolt, or may be formed by the shoulder (23c) at the end of the shank portion (23b). A further modified expansion element (42) (Fig. 9, not shown), similar to that in Fig. 2, has an additional parallel-sided section (42b) between the frusto-conical section and the end flange (44), this section being at least as long as one pitch length of the spring 1. In Fig. 6, an elongated stop member 35 is shown, with an annular groove 35d where the inner face of a body 36 to be fixed is to lie. This groove allows the rear section 35c of the stop member to be removed after the fastener has been anchored in the bore-done where the body 36 is thin-or for axial compression of the stop member if it projects slightly from the body 36. In Fig. 7, (not shown), the spring has a few open turns at its rear end. The expansion member 2 may be knurled or roughened.
Patent GB-861654-A (GB)
Title: Proportional mixing device for liquids
Inventor: KRUGER WILHELM
IPC: B01F15/04
Filed: 1958-10-31
Abstract: 861,654. Mixing of liquids in definite proportions. ZIPPEL, R., and ZIPPEL, B., [trading as ZIPPEL & CO. KOMM-GES, R.]. Oct. 31, 1958, No. 34922/58. Class 86 An apparatus for supplying two (or more) liquids in a predetermined ratio to a mixing device, and a method of spray painting with a two-constituent paint consisting of paint-base and hardener, comprises vessels 1, 2 whose cross - sectional areas are in the same ratio as that of the required quantities of the liquids contained therein; the same head of liquid being maintained in each vessel as the liquids are withdrawn. The head may be controlled visually and manually through sight glasses, and valves 4, or electrically through float devices (not shown). The liquids may be supplied to a mixing chamber 5; or to a two-constituent spray gun by compressed air admitted to the closed containers 1, 2, Fig. 2 (not shown) or by a pneumatic ram operating pistons in the containers, Fig. 3 (not shown).
Patent GB-195717-A (GB)
Title: Improvements in shelves
IPC: A47B87/02
Filed: 1921-12-30
Abstract: 195,717. Oppenheim, E., and Burg, W. Dec. 30, 1921. Suspended racks. - Shelving is composed of units, each suspended from the one above or from a supporting surface, and comprising load-carrying boards or plates a, folding side supports b with hooks c, and stays f which hook into eyes e in the parts d of the supports b immediately below.
Patent GB-188256-A (GB)
Title: An improved revolving grate for generators, gas producers, shaft furnaces and the like
IPC: C10J3/34
Filed: 1921-12-30
Abstract: 188,256. Goehtz, H. Dec. 30, 1921. Grates. - A revolving grate for gas producers, shaft furnaces, &c., comprising a body of conical, turret, or bee-hive shape, which extends over the whole area of the shaft, has deeply inclined recesses or passages through it for the reception and removal of ashes. Figs. 1 and 2 show one construction. The grate a is in the form of a stepped turret and inclined radial passages d lead the ashes outwards through the grate to the ash-pit. Figs. 3 and 4 show a grate e, star-shaped in plan, with similar passages f for removing the ashes. In Fig. 5, the passages are shown inclined relatively to the radii of the grate.
Patent GB-1280117-A (GB)
Title: Electronic metronomes
Inventor: PAQUET ANDRE
IPC: G04F5/02
Filed: 1970-07-20
Abstract: 1280117 Electronic metronomes A PAQUET 20 July 1970 [21 July 1969 18 June 1970] 35078/70 Heading G3T An electronic metronome emits, in synchronizm and at a selectable frequency, sound and visual signals the visual signals being from two lamps which are lighted alternately. The metronome circuit, Fig. 1, comprises a bi-stable multi-vibrator including transistors Q 3 , Q 4  and Q 5 , Q 6  which is switched from one state to another by a time constant circuit including R 1 , R 2 , C 1 . The capacitor C 1  is charged via R 1 , R 2  to a voltage V at which transistors Q 1 , Q 2  conduct, so that C 1  discharges therethrough. A negative pulse is consequently passed via C 2  to switch the multi-vibrator. The multi-vibrator energizes coil 10 lamp L 1  and coil 10' lamp L 2 , alternately. As shown in Fig. 2a, cores 12, 12' are alternately drawn into respective coils 10, 10' striking a plate 13 thereby producing the sound output of the metronome. Alternatively, as illustrated in Fig. 4 (not shown), the sound output is from a loudspeaker connected in series with a thyristor which is controlled by the R.C. circuit. The multivibrator is switched by pulses produced when the thyristor conducts and controls the lamp signals only, in synchronizm with the sound signals. In both circuits the output frequency of the metronome is selectively adjustable by adjusting resistor R 2  in the R.C. circuit.
Patent GB-742453-A (GB)
Title: An improved fastener
IPC: B60J10/30
Filed: 1953-12-17
Abstract: 742,453. Clip fastenings. F. T. PRODUCTS, Ltd. Dec. 17, 1953 [Dec. 17, 1952], No. 35211/53. Class 44. [Also in Group X] A fastener comprises a single strip of spring metal bent to channel shape, having in at least one of its two flanges 32, 33 a prong with its point directed inwardly and towards the web 34 of the channel and having a portion of its web sheared and pressed to the shape of a spring tongue 29 lying roughly parallel with the general plane of the web but spaced therefrom on the side opposite the flanges. As shown, each flange has a prong 25-27 at each end and the tongue 29 is also formed with two similar inwardly directed prongs 30, 31. The fastener is used for securing a channel-section window guide rail to an automobile body, the tongue 29 entering an aperture in a body panel or engaging the edge of a panel and with the rail in the channel. In a modification the tongue 29 is formed so that it lies longitudinally of the fastener instead of transversely and its root end is formed with a detent which when the tongue has been pushed into a hole in a panel engages the hole to prevent any removal of the fastener.
Patent GB-177846-A (GB)
Title: Improvements in and relating to beds, seats and the like
IPC: A47C19/02
Filed: 1921-09-15
Abstract: 177,846. McNicol, J. Sept. 15, 1921. Spring supports for seats and bedsteads.-In a spring-supported bed, seat, &c., the mattress frame or seat bottom a is provided with hooks or loops c engaged by the cross limb d<1> of an inverted T- headed member d, the latter member having a flange d<2> resting on a spring h within a casing e. The casing has a head e<1> which detachably engages a slotted bracket f. Several such spring devices are arranged around the seat member or mattress frame.
Patent GB-1493613-A (GB)
Title: Sectional members
IPC: B32B3/12
Filed: 1974-11-06
Abstract: 1493613 Composite boards G W WYNN Ltd 11 Nov 1974 [10 Aug 1973] 35267/74 Headings B5L and B5N [Also in Divisions E1 and F2] A board or panel of the kind which is formed by either a pair of sheets 4, 6 with intermediate stiffening elements 8 or a single sheet 74, Fig. 8, with similar stiffening elements has the stiffening elements arranged as one or more pairs 8a of the elements spaced apart to form a gap 10 of the same width as a stiffening element, and one or more single stiffening elements 8b, the arrangement being such that if the board or panel is suitably cut as at 20, 22, 24 (part 30, Fig. 3, not shown, of the top sheet being removed), the resulting board or panel portions is turned over so that its side opening 10a is opposite side opening 10b of the unturned panel portion, and the two portions are then re-arranged at right angles, a corner joint as indicated in Fig. 4 is formed, wherein the or each stiffening element 8b of one portion provides a tongue which fits closely in the or each space 10 between tongues provided by the stiffening elements 8a of the other portion. The stiffening elements are preferably secured between the sheets 4, 6 by adhesive strips 12, 14 so that the cutting is effected in unglued areas of the board or panel. Adhesive is also used to secure the interfitting tongues, surplus portion 40 of sheet 6 being trimmed off to complete the joint. In the case of Fig. 8, a similar corner joint may be made by interfitting a tongue formed by stiffening element 78b on one panel portion between tongues formed by stiffening elements 78a on the other panel portion, or the two panel portions may be interfitted with the sheets 74 of the two portions opposite and parallel so as to form a single double-skinned panel from the two portions, the strengthening elements 78a, 78b together with an infill 82 on each portion then substantially completely filling the space between the two skins of the composite panel. The arrangement of Figs. 1-4 may be modified by the inclusion of an intermediate T-joint between a further panel portion and one of the two portions joined at one corner (Fig. 7, not shown) in which case tongues (42a, 42b) formed on the further panel portion behave as a spigot formation entering a socket formation obtained by removing part of the upper sheet (4) of one of the other two panel portions. Further modifications are disclosed in the remaining figures, notably the use of a resilient single strengthening element 94, Fig. 12, having rigid facing layers 96.