baber/WOPTO huggingface dataset:
Patent GB-1018434-A (GB)
Title: Improvements in or relating to free piston internal combustion engine actuated hydraulic pumps
IPC: F02B75/02
Filed: 1963-03-05
Abstract: 1,018,434. Reciprocating pumps; free-piston engines. A. PHILLIPS. March 5, 1963 [May 4, 1962 and Feb. 25, 1963], No. 8801/63. Headings F1A and F1B. A free-piston two-stroke, I.C. engine-actuated pump comprises pump pistons 43, Fig. 1, connected to bounce pistons 7 slidable within opposed engine pistons 2 and 3. A spring 26 effects the return stroke of pistons 7 and 43, this stroke being limited by engagement of a piston flange 27 with a shoulder 28. The inlet and delivery lines 11, 12 have check valves, and delivery is effected via an accumulator. The pump cylinders 10 may be interconnected by a small bore balance tube. A leakage-collecting groove 51 is provided in each cylinder 10. The engine throttle may be operated in conjunction with a control valve on the utility point taking liquid from the pump. The engine pistons have rings 15 carrying projecting lugs 17, 18, which are interconnected for synchronizing by rack and pinion, pitman arms or by a metal band running over pulleys. A cooling jacket 20 surrounds the combustion chamber. The engine may have spark or compression ignition and carburettor or fuel injection. A supercharger 132 (Fig. 2, not shown), is driven by an exhaust-driven turbine 130. Air losses from bounce chamber 41 are made up via check valve 30 in piston 7. Lubrication is effected via pipe 36. In another embodiment, the bounce pistons are of reduced area and the engine pistons have return springs, a buffer spring being provided between each bounce piston and its engine piston. The bounce piston may control a port in its cylinder for admission of make-up air. In a further embodiment, (Fig. 8, not shown), engine piston 2 has a piston face 150 working in a bounce chamber 161 which also houses a spring-loaded bounce piston 160 coupled to pump piston 43. Chamber 161 is connected through ports 170 to atmosphere, or to the supercharged induction system, at the top of each stroke. In another embodiment, bounce piston 160 is returned by a plurality of springs of adjustable compression. For starting, latch means are provided for holding the engine pistons at their outward positions. Compressed air is then fed to the bounce chambers and to the supercharger turbine.
Patent GB-353487-A (GB)
Title: Improvements in or connected with apparatus for reproducing sound from photographic records
IPC: G11B7/00
Filed: 1930-03-19
Abstract: 353,487. Sound-reproducing apparatus associated with kinematographs. WILSON, S. K., 12, Whitehall Road, Harrow, Middlesex. March 19, 1930, No. 8856. [Class 40 (ii).] Comprises sound or sound and picture reproducing apparatus in which the light-sensitive cell and amplifier are interconnected by short leads and supported on a vibration-absorbing structure located near to but not in mechanical contact with the projector mechanism nor the film-guiding attachment of the sound head, and not in direct contact with any part of the projection booth. A light-sensitive cell unit D, Fig. 1, and amplifier unit F are mounted upon a pedestal A sunk into a concrete support B, the film driving mechanism being supported by a pedestal C. The light-sensitive cell unit D is disposed at one end of a tube E which is in line with the sound gate and made of rubber, silk or other material which will not transmit vibration. Alternatively the container of the unit D may be formed as a shield from stray light, when the tube E can be dispensed with. Between the tube E and housing G is an air-space H, Fig. 4, or a vibration absorbing material. The light-sensitive cell is connected with the amplifier by short leads and the unit D may be mounted from the amplifier F through links and' brackets, Fig. 3, to allow for any desired angular displacement.
Patent GB-526563-A (GB)
Title: Improvements in heads for siphon bottles
IPC: B67D1/04
Filed: 1939-03-20
Abstract: 526,563. Siphon bottles. KOVACS, L., BARCZAY, K. DE, and FURST, K. March 20, 1939, No. 8863. Convention date, March 21, 1938. [Class 14 (i)] A siphon head, which may be made wholly or in part of an artificial resin product or the like, has its discharge valve arranged at the outer end of the nozzle. The nozzle 3 is formed with a conical valve seat 9 and is recessed, as shown at 6, to prevent soiling of the outlet. The recess 6 opens into a channel 7 in the surface of the head, whereby misuse of the nozzle, by mouth suction or otherwise, is prevented. The valve 12, provided with a washer 13, is carried by a two-part-stem 10, 11 which is guided in the nozzle by a fixed block 14 fitted with packing 16. Further packing 19 is provided on the part 11 of the stem, which is actuated by a lever 26. Liquid passes from the dip tube 23 through a passage 21 to the rear of the valve 12, and has no access to the valve-actuating mechanism. A safety-valve may be provided on the nozzle.
Patent GB-1099002-A (GB)
Title: Spreadable plug for fixing purposes
IPC: F16B13/12
Filed: 1965-03-02
Abstract: 1,099,002. Screw-sockets; nuts. A. FISCHER. March 2, 1965 [March 2, 1964], No. 8975/65. Heading F2H. A socket, e.g. for use in a bore in soft material or in concrete, has a number of rigid, e.g. metallic, segments 3 either completely separated or partially divided, by longitudinal slots, and engaging a synthetic plastics sleeve 2, so that when a fixing element such as a screw is passed through the sleeve between the segments 3 they can be spread to hold in the bore while held by the sleeve 2. A nut 4, Figs. 1, 5, which may have ribs instead of the grooves 4b shown and a cover plate to prevent dust entry, may be drawn towards the sleeve 2 by the screw to spread four segments 3 or the screw may contact a thread 3e, Fig. 16, in two segments 3 for the same purpose. The synthetic plastics sleeve 2 may be shortened, Fig. 9, i.e. to be just long enough to accommodate two lugs 3b which each join a pair of adjacent segments 3 and by which segments are located on the sleeve. Each segment may have an arcuate lug 3a, Fig. 1, to snap into a ring groove in the sleeve 2 or there may be arcuate lugs of straight section, Figs. 6-8 (not shown), fitting into complementary slots in the sleeve. The lugs may be inwardly flanged at their ends, Figs. 11, 12 (not shown). In Figs. 13-15 (not shown) and in Fig. 16, the sleeve 2 has an inward flange 8 for location in arcuate recesses in the segments 3.
Patent GB-541932-A (GB)
Title: Improvements in percussion fuzes for rotating projectiles
IPC: F42C15/22
Filed: 1940-05-20
Abstract: 541,932. Percussion fuzes. VERWALTUNGSGES DER WERKZEUGMASCHINENFABRIK OERLIKON., (formerly, WERKZEUGMASCHINENFABRIK OERLIKON). May 20, 1940, No. 8980. Convention date, May 25, 1939. [Class 9 (i)] The firing-pin 4 of a percussion fuze, of the kind described in Specification 475,596, co-operates with a rotatable guide-member 5 on the end of which an enlargement 4a of the pin is seated to hold the pin away from the detonator 10. The member 5 is normally held against rotation by spring-urged centrifugally-operative pins 7, and frictional pressure on the detonatorcover 11, but is partially rotated by the reaction of a torsion-spring 6 during deceleration of the projectile. The enlargement 4a is thus brought into register with a slot 5b in the member 5 so that on impact the pin is caused to move forward on to the detonator,
Patent GB-167214-A (GB)
Title: Improvements in or relating to machines for beaming yarns
IPC: D02H3/00
Filed: 1920-03-27
Abstract: 167,214. Blackhurst, J. C. March 27, 1920. Addition to 8577/15. Yarns, beaming. - In yarn-beaming machines having beams b resting or pressing on the usual winding-drums a and additional yarn-pressing means comprising conical rollers g, as described in the parent Specification and Specification 122,961, these rollers g are mounted on spindles g<1> fixed rigidly to double-curved levers e loosely, mounted on a threaded rod &c. c fixed by nuts at its ends to the framework. As the beam fills, the levers e move to the left against the action of springs m connected to the levers and to toothed quadrants d fixed to the rod &c. c. The curving of the levers allows for a maximum movement thereof without fouling the shaft n<1> of the beamcarrying levers n. A pawl h engaging the quadrant d normally prevents movement of the levers e to 'the right, but it can be disengaged by a finger-piece h<2>.
Patent GB-898410-A (GB)
Title: Modification of fluorocarbon polymers
IPC: C08J3/28
Filed: 1960-03-15
Abstract: Cross-linked fluorocarbon polymers are produced by subjecting a copolymer of tetrafluoroethylene and a higher fluoroolefine having the formula CF2=CFCnF2nY where n is a positive integer other than zero and Y is hydrogen or fluorine to high energy ionizing radiation at a temperature above the glassy state transition temperature, and below the thermal decomposition temperature, of the copolymer, whereby the melt viscosity of the copolymer is increased.  The fluoroolefin may be hexafluoropropylene, perfluorobutene-1, perfluoropentene-1, perfluorohexene-1, perfluoroheptene-1, perfluorodecene-1, omega-hydroperfluorohexene-1, or omega-hydroperfluorooctene-1.
Patent GB-682268-A (GB)
Title: Improvements in or relating to photographic film processing tanks
Inventor: CHARLES DAVID
IPC: G03D13/14
Filed: 1950-04-14
Abstract: 682,268. Photographic developing apparatus. NEVILLE BROWN & CO., Ltd., and JOHNSONS OF HENDON, Ltd. April 13, 1951 [April 14, 1950], No. 9229/50. Class 98 (ii). The apparatus comprises a tank and a filmcarrying spool removably retained and axially slidable therein, including resilient means interposed between the tank and the spool, whereby when the spool is urged axially from a normal position and then released, it is then returned to the normal position. As shown, the tank comprises a cylindrical body 1 with a light-trapped lid 2, enclosing a film-carrying spool 3, all made of moulded plastic material. Spool 3 has a hollow spindle 6 carrying discs 7, 8 with spiral grooves 9 for engaging the film edges, the discs being perforated at intervals along the grooves to allow passage of processing liquids. A stud 12 passes through a ring 11 carried by projections 10, and a stainless steel spring 13 bearing at one end against an internal shoulder 14 of spindle 6 and at the other end on one end of stud 12, pushing a flange 12a of the stud against ring 11. The ring 11 and projections 10 are surrounded by a wall 16 having ribs 15a, which fits into a well 15 to locate the spool. Processing liquid may be poured in by a funnel 4, through spindle 6, and passing between the wall of well 15 and the ribbed outer surface of wall 16. A stirring rod (not shown) is inserted into spindle 6 so that its hexagonal end engages the correspondingly shaped shoulder 14, so that the spool may be rotated thereby and may also be given an axial reciprocating movement. Various modifications are referred to : the spring 13 may be replaced by other resilient means, such as a leaf spring; the resilient means may be attached either to the spool or to the base of the tank, or may be mounted freely between them, and may, when the spool has an integral upwardlyprojecting rod, be mounted between the spool and the lid; the spool may have an apron for holding the film instead of grooves; and a number of spring studs may be mounted around the lower disc of the spool, all bearing on the bottom of the tank.
Patent GB-1013643-A (GB)
Title: Loudspeaker
IPC: H04R7/10
Filed: 1963-03-08
Abstract: 1,013,643. Loudspeakers. LORD MANUFACTURING CO. March 8, 1963 [March 8, 1961], No. 9237/63. Heading H4J. A loudspeaker includes a voice coil 7 (Fig. 1) and magnet 5 together forming a drive assembly, a panel 10 of substantially uniform crosssection and means mechanically connecting the coil 7 to the panel 10 to bend the same, the ratio of the mass per unit area to the bending stiffness per unit width of the panel being such that the speed of the bending wave in the panel at a low base frequency is substantially equal to the speed of sound in air. Fairly efficient coupling can be obtained if the transverse bending wave speed is slightly below the speed of sound in air. The panel 10 preferably comprises a core 11 of paper honeycomb or foam material sandwiched between and bonded to steel skins 12, 13; the panel 10 is rigidly clamped at its periphery by being bolted or cemented to a rigid frame 14. Alternatively the panel 10 is peripherally mounted by springs (Fig. 4, not shown). The panel 10 may be part of an enclosure or cabinet for a record player, radio or television set or may be part of a wall or ceiling. The panel 10 may be of accordion shape, corrugated, bent or curved, provided it is of substantially uniform section.
Patent GB-475017-A (GB)
Title: Improvements in and relating to water closets
IPC: A47K13/00
Filed: 1937-04-01
Abstract: 475,017. Sanitary closets. BRIGGS MANUFACTURING CO. April 1, 1937, No. 9304. Convention date, April 6, 1936. [Class 26] A plurality of sides of the bowl of a closet are enclosed by a substantially vertical panel of pressed material such as metal extending between the rim and the supporting-surface, and such as to mask the contour of this bowl. The rim of the closet is formed with an external bead 11 allowing a recess 11a to receive the bent upper part of the panel 20, the lower part of the panel is curved as at 23, Fig. 4, to accommodate one leg of each of a number of U-shaped members 25, the other leg of each of which is secured to a right-angled member 30 which may be secured to the floor. Cement is introduced at 33 between themember 30 and the under-part of the panel. If desired, a moulding 35 may be screwed to the panel. Metal coverings are also provided for the seat and cistern, a rubber stop 15 being provided in the former case, and the lower edge being rolled in the latter.
Patent GB-109240-A (GB)
Title: Improvements in Ash Conveyors, particularly of the Steam-jet Type.
Inventor: GILL HUBERT ALEXANDER
IPC: F23J1/00
Filed: 1917-06-28
Abstract: 109,240. Gill, H. A., (American Steam Conveyor Corporation). June 28. 1917. Bends; butt joints.-Ash conveyers of the steam-jet type have conduits in which the sections, especially at the curved portions of the conduits, have opposing flanges 7 secured hv bolts &c., and formed with grooves or recesses F containing plastic material, preferably asbestos fibre and Portland cement, so that the joints may resist the action of hot ashes &c. The bend of the conduit is divided both longitudinally and transversely into removable members.
Patent GB-1243057-A (GB)
Title: Styrene polymerisation process
Inventor: GAMMON GEOFFREY JAMES
IPC: C08F2/18
Filed: 1968-02-27
Abstract: 1,243,057. Polymerizing styrene in aq. suspension. BRITISH PETROLEUM CO. Ltd. 14 Feb., 1969 [27 Feb., 1968], No. 9335/68. Heading C3P. Styrene is polymerized in aq. suspension, to form a polymer of average mol. wt. 30,000- 200,000, in the presence of an initiator mixture having at least 3 components under a continuously increasing programmed temperature in the range of 50‹ to 150‹ C., the first component having a half-life of 1-15 hours at 70‹ C. and less than 1 hour at 100‹ C., the second having a half-life of 1-15 hours at 100‹ C. and 1-4 hours at 115‹ C., and the third having a half-life of 15-30 hours at 100‹ C. and 0À1-10 hours at 130‹ C., and in the presence of a chain transfer agent e.g. t-dodecyl-mercaptan. The initiators may comprise (1) lauroyl peroxide, octanoyl peroxide, p-chlorobenzoyl peroxide, 2,4-dichlorobonzoyl peroxide, benzoyl peroxide or diisopropyl peroxy dicarbonate; (2) 1,1-di-t-butyl peroxy-3,5,5-trimethyl cyclohexane,t-butyl peracetate, cyclohexanone peroxide or t-butyl peroxyisopropyl carbonate; and (3) t-butyl perbenzoate, dicumyl peroxide, di-t-butyl peroxide or di-t-butyl perphthalate.
Patent GB-185708-A (GB)
Title: Improvements in or relating to screw mechanism particularly intended for use in connection with depth adjusting mechanism for wheeled plows
IPC: A01B63/16
Filed: 1921-06-01
Abstract: 185,708. Jensen, C. A.,(Oliver Chilled Plow Works). June 1, 1921. Lifting main frames manually.-Screw mechanism for adjusting wheeled ploughs &c. comprises a tubular body consisting of two connected members 9, 10, a perforated cage 17 disposed in one of the members, a manually operable screw 14 entering the tubular body and passing through the cage, and antifriction balls 19 mounted in perforations in the cage and engaging the thread of the screw. For adjusting the depth of work of ploughs, the member 10 is connected to a lever which carries a roller bearing on the cranked axle of one of the wheels, and the screw shaft 14 turns freely without longitudinal movement in a sleeve pivotally mounted in a bracket on the plough frame. The members 9, 10 are connected together by flanges and bolts, and one end of the member 10 is closed and provided with a perforated head 13 to facilitate connection to the part to be moved. The screw is of long pitch, and is rotated by means of a crank-handle 16. The cage 17 abuts against a shoulder 20 in the member 9 and enters a recess 21 in the member 10, rotation being prevented by a lug 23. A pin or projection 24 prevents complete withdrawal of the screw.
Patent GB-330669-A (GB)
Title: Rotary draw-works for well drilling plant
IPC: E21B3/06
Filed: 1929-03-22
Abstract: 330,669. Martois, A. E. Jan. 12, 1929, [Convention date]. Borehole apparatus. - The of a well-drilling plant comprise a countershaft driven by a prime mover and adapted to drive a line shaft and a stub-shaft placed close to the derrick floor, the, hoisting drum being driven from the line shaft and the rotary table from the stubshaft. As shown, the uprights of the draw-works support a countershaft 56, a line shaft 44, a drum shaft 39 and a shaft 75 on which is a hollow stub shaft 77 from which the rotary table 13 is driven through a chain 22. The countershaft 56 is driven from a prime mover through a sprocket 58 and drives the line shaft at either of two speeds through a common clutch 62 and chains 67, 68; the countershaft also drives the stub shaft 77 at either of two speeds through a common clutch 72 and chains 78a, 79<a>. The line shaft drives the drum shaft at variable speed through either of two chains 49 and clutches 48. The line shaft also carries a loose cat-head 83 adapted to be driven through a cone friction clutch 80 and adapted to control tongs for breaking &c. joints in drill &c. pipes. In a modification, the cat-head 80 is omitted, the line shaft then carrying a clutch-controlled sprocket adapted, through a chain, to drive joint-breaking means as in Specification 330,532.
Patent GB-781514-A (GB)
Title: Improved driving means for oscillating apparatus such as screens, separators or concentrators
IPC: B07B1/44
Filed: 1955-03-31
Abstract: 781,514. Sifting apparatus. ROBERTS, E. G. L. March 31. 1955, No. 9412/55. Class 117 [Also in Group XXIV] . A screen, concentrator or separator is oscillated by a vertical shaft 7 carrying two sector shaped balance weights 25, 26 and having an eccentric part 16 at its upper end from which a tapered pin 19 extends and engages the driven member 22 of the screen &c. The shaft is rotated in bearings 5, 6, in a casing 1, 2 and is driven by a pulley 12. The weights comprise diametrically opposed castings keyed to the shaft which are of dish form to receive a number of sector shaped weights 27 which are bolted in position. The weight 25 is twice that of weight 26 and formulae are given by which the weights may be determined. Specification 477,949 is referred to.
Patent GB-569194-A (GB)
Title: Feed section unit for electric wiring systems
IPC: H01R25/16
Filed: 1943-06-15
Abstract: 569,194. Two-part couplings. O'BRIEN, J. F. June 15, 1943, No. 9532. Convention date, May 12, 1942. [Class 38 (i)] A feed unit for a wiring system built up of unit lengths fitting together, such as described in Specification 559,266, comprises a junction head H having alternative cable inlets 32 and a body portion B within which are terminals 50 ... 52 attached to conductors 40 ... 42, the cable leads being clamped in the terminals and the conductors 40... 42 being exposed at the end 45 and formed as couplings to co-operate with the conductors of the wiring system carried in an adjacent unit 24. The conductors 40 ... 42 are carried between a sub-base 30 and the base 25 of the bodv B, the base 25 having holes 56 through which the flat parts 50a ... 52a can be inserted while the terminals are attached to the conductors 40 ... 42, the vertical parts 50b ... 52b resting between walls 53 ... 55 that prevent longitudinal displacement of the conductors 40 ... 42. The cable inlets 32, besides admitting the feeder cable 21, can be used for short jumper cables to connect two or more junction heads together.
Patent GB-474742-A (GB)
Title: Improvements in humane slaughtering instruments
IPC: A22B3/02
Filed: 1936-04-01
Abstract: 474,742. Slaughtering pistols. COX, P. April 1, 1936, No. 9576. [Class 5 (i)] [Also in Group XXI] A slaughtering-pistol of the captive-bolt type is provided with a cartridge magazine 15 detachably secured in the butt 2 by a spring- urged pin 18, the cartridges being fed from the magazine into the firing - chamber 14 by the rearward movement of the breech-bolt 21 which is placed below and parallel to the captive-bolt 4. The chamber 14 communicates with the rear of the captive-bolt, by means of a bent conduit 13. Upon ignition, the propellant gases drive forward the bolt until a flange 9 formed thereon comes into contact with a buffer comprising a thick washer 11 of fibre or similar material between which buffer and an annulus formed near the front of the barrel 1 is a block of soft rubber 10. The gases escape through holes 12 in the forward end of the barrel. The cartridges employed in the pistol are tapered at their forward ends, preferably by crimping, in order to facilitate their entry into the firing-chamber.
Patent GB-329090-A (GB)
Title: Process for closing the air openings of containers having only one filling opening and which are coated in a full bath
IPC: B21D51/38
Filed: 1929-03-25
Abstract: 329,090. Rogers, F. H., (Rietberg-Werke Akt.-Ges.). March 25, 1929. Drawings to Specification. Frictionally seated lids and covers.-Apertures in sheet-metal drums or containers are closed by inserting a flanged cap into the hole until the flange engages the outer edge thereof and then compressing the inner cap portion by a direct pressure applied externally of the cap causing it to form a rivet-like head. The cap and flange may be soldered to the container if it holds thin or sensitive liquids.
Patent GB-774157-A (GB)
Title: Improvements in water tube boilers
IPC: F22B21/34
Filed: 1955-04-01
Abstract: 774,157. Water-tube steam boilers. VORKAUF, H. April 1, 1955 [April 5, 1954], No. 9613/55. Class 123(2) A water-tube boiler comprises a steam and water drum 1 supported from the boiler foundations by downcomer tubes 2, 3 and 12 connected into the water space of the drum near its ends and near its midpoint respectively. Slightly below and to each side of the drum 1 are disposed steam and water mixture collectors 4 connected to the steam space of the drum by tubes 10. From the lower parts of collectors 4 and from a transversely disposed interconnection 9 therebetween steam generating tubes 5, 7, 8 extend downwardly to define respectively the side walls, front wall and roof, and rear wall of a combustion chamber. In service the drum 1 can be operated at higher outputs since extensive pre-separation of the steam-water mixture occurs in the collectors 4, the steam flowing into the drum 1 through pipes 10 whilst the separated water is returned directly to the downcomers by means of pipes 11, the latter also serving to support the collectors.