baber/WOPTO huggingface dataset:
Patent GB-832281-A (GB)
Title: Improvements in or relating to breathing apparatus
Inventor: FURNEAUX ALAN WILLIAM
IPC: A62B9/02
Filed: 1957-07-25
Abstract: 832,281. Respiratory apparatus. NORMALAIR Ltd. May 9, 1958 [July 25, 1957], No. 23539/57. Class 81 (2). [Also in Group XXVIII] An oxygen/air supply device for a demand regulator comprises a nozzle for discharging oxygen from an inlet towards an oxygen/air outlet, an air inlet, a valve seating around the nozzle and a resilient non-return valve disc on the seating and subjected to a pressure differential of oxygen inlet pressure and breathing pressure. The device fitted in a demand regulator A receives oxygen supplied under pressure through a valve 11 opened by a long-controlled diaphragm 3, and a conduit 19. Oxygen flows to an injector e in a casing a and through a nozzle h to a chamber p where it entrains air through holes o communicating with an air inlet 13 of the demand regulator. Holes l, k in the injector communicate with a compartment g which is separated from the chamber p by a resilient, apertured valve disc m which normally seats against the nozzle. When oxygen pressure in the compartment g overcomes the pressure in the chamber p, as on increased demand, the valve disc is deformed to permit the passage of supplementary oxygen from the compartment g to the chamber p. Oxygen and air passes from the chamber p to a mixing tube c and thence into inhalation pipe 7. A known form of injector is described which has a nozzle slidable against a spring in a casing. When the back pressure on the nozzle is overcome, the nozzle slides forwards and permits supplementary oxygen to flow from the injector tube into the regulator compartment 2 (Fig. 1), and thence into the inhalation tube.
Patent GB-239379-A (GB)
Title: Improvements in or relating to trolley tracks
IPC: E05D15/06
Filed: 1924-10-06
Abstract: 239,379. Wallace, V. A., and British Trolley Track Co., Ltd. Oct. 6, 1924. Elevated railways. - The sections of a trolly track for use with sliding doors, partitions, &c., are mounted together by links 4 formed with slots 3 through which are passed tongues 2 struck from the metal of the sections 1. The tongues are bent back over the ends of the slots as shown. The links may be placed inside the sections and may be applied to sections having external tracks.
Patent GB-316784-A (GB)
Title: Improvements in or relating to phototelegraphy
IPC: B41M5/20
Filed: 1928-08-16
Abstract: 316,784. Maskell, L. H. Aug. 16, 1928. Copying-telegraphs.-A print, produced by the electrolytic liberation of iodine on paper from a potassium iodide-starch solution by the action of a recording stylus, is fixed by washing with a weak acid solution, such as boric acid. or a solution of a substances which does not react with the image and gives a suitable hydrogen ion concentration, such as potassium bisulphate.
Patent GB-1326138-A (GB)
Title: Process for the mechanical dehydration and evaporative drying of granular solid materials
IPC: B01D21/00
Filed: 1971-04-19
Abstract: 1326138 Ventilated centrifuge for drying granules MASCHINENFABRIK BUCKAU R WOLF AG 19 April 1971 [4 March 1970] 23700/71 Heading F4G Wet granules of synthetic textile fibre are fed via inlet 46 into a rotating centrifugal separator 2 where they lose 97-98% of their water through a perforated screen 48 and then 1À5 to 2À8% of their water as they pass radially outwards along zig-zag ducts 12 formed between perforated screen assemblies 5 to escape at 26 into a granule collecting duct 39 for tangential discharge, drying air being passed by a fan 31 outwards to the duct 39 and downwards (through holes 34) to the ducts 12, to evaporate 0À5 to 0À2% of the water from the granules and thereby cool them. Each screen assembly 5 comprises perforated screens 13, 14, 15 through which some more of the water passes and drains away through holes 28, 29, 30 and via guides 36, 37, 38 to a water collecting duct 43 for tangential discharge at 44. The granule outlet duct 41 is of helical form in order to lengthen the air treatment path for the granules. The screen 48 may be stationary and conical.
Patent GB-850074-A (GB)
Title: Improvements in or relating to remote control mechanisms
Inventor: BREWERTON ARTHUR ERNEST
IPC: G08B9/08
Filed: 1956-08-02
Abstract: 850,074. Wire compensators. CHADBURNS (LIVERPOOL) Ltd. July 31, 1957 [Aug. 2, 1956], No. 23801/56. Class 105. In a remote control mechanical transmission system comprising a transmitter T having a pulley 12 secured to a driving shaft 10 for transmitting motion to a cable 21a in one direction and another pulley 13, loosely mounted on the shaft and mechanically coupled to the wheel 12 as by a pawl and, ratchet mechanism to transmit motion to a cable 22a in the opposite direction, the two pulleys are also coupled by a torsion spring 16 which allows relative motion between the pulleys whenever there is any slack in either of the cables 21a, 22a, so as to take up said slack. As shown, the pulley 13 has integral therewith a drum 14 having ratchet teeth 17 with which co-operates a pawl 18 carried by the pulley 12. To take up the slack in the cable which is accumulative as in alternately heating and cooling conditions, the pawl 18 is released from the ratchet wheel 17 at the two limiting positions for the transmitting handle 11 by providing the pawl with arms which are displaced relatively to the pulley 12 by contact with suitably disposed stops at the extreme positions of the handle 11. To line up the transmitter and receiver from day to day the receiver R comprises a spring loaded clutch 26 shown as a slipping clutch, between the receiver pulley 19 and a shaft 20b coupled to the controlled member, e.g. a valve mechanism, instead of coupling the shaft 20 of the receiver pulley 19 directly to the controlled member. Alternatively to the slipping clutch, the pulley 19 free on the shaft 20 drives the controlled shaft 20 through a pawl and ratchet mechanism, an arm 32, Fig. 3, secured on the shaft 20 carrying two oppositely acting pawls 33, 34 spring loaded to engage a ratchet wheel 31 on the pulley 19, at opposite sides of the arm so as to act alternately as driven and is released at the extreme operating position of the mechanism by means of a push rod 38 contacting with the abutment 36 or 37 at one or other of the said two extreme positions. A self-centring mechanism for the transmitter is also described (Fig. 3, not shown).
Patent GB-963034-A (GB)
Title: Improvements relating to knitting pins
Inventor: SPALDING GEOFFREY WATSON
IPC: B29C48/06
Filed: 1961-07-01
Abstract: 963,034. Extrusion machines. NEEDLE INDUSTRIES Ltd. Oct. 1, 1962 [July 1, 1961], No. 23838/61. Heading B5A. [Also in Division D1] In the manufacture of knitting pins comprising a metal core embedded in thermoplastic synthetic resin a series of rod-like metal cones 12, Fig. 3, are supplied from a feed roller device 18, Fig. 2, to an extruder head 21, from which the cores coated with synthetic resin are passed through a cooling water tank 9 to a haulage device 19. The feeding device 18 delivers the cores 12 in succession with gaps between adjacent ends of the cores so that synthetic resin is delivered at an increased rate between the cores to produce enlargements 72, Fig. 4. At the same time the speed of the haulage device 19 is increased to produce necked portions 73 at the warmer parts of the extrudate. The partly formed pins are separated by severing at the portions 73 and the pointed ends are shaped in a heated die cavity, whilst the parts 72 are upset to form knobs at the ends of the pins. The die 20 is carried in a holder 8 secured to the die head by three angularly spaced screws 7 so as to be radially adjustable. The guide tube 24 for the rods 12 is axially adjustable, and an electric heating element 4 surrounds the die holder 8. Alternatively, the pins may be made individually by injection moulding in a cavity 98, Fig. 17, in which the core 12 is supported by spacer elements 99 preferably of the same kind of synthetic resin as that injected into the cavity through the passages 100.
Patent GB-960222-A (GB)
Title: Device for adjusting the workpiece engagement position of a tool
IPC: B21D43/00
Filed: 1961-07-03
Abstract: 960,222. Lathe details. KUMMER FRERES S.A. FABRIQUE DE MACHINES. July 3, 1961 [July 15, 1960], No. 23927/61. Heading B3T. A tool carrying slide A<SP>1</SP> of a lathe has a slideway 1 inclined at an angle α, to the face C<SP>1</SP> of a sliding member B<SP>1</SP>, and the latter is held against a roller D<SP>1</SP> carried by a rocking lever E<SP>1</SP> by a spring 7. A roller F on lever E<SP>1</SP> engages a rotating cam G which controls the movement of slide A<SP>1</SP>. A spindle I, rotatable but axially fixed in a support 3, actuates a potentiometer P and is rotated by toothed wheels 4, 5, driven from a shaft R through a telescopic shaft 6. Shaft R is rotated in either direction by pulleys N, O, either of which can be engaged with the shaft by electromagnetic clutches M, L. In operation with the positions of three tools carried by slide A<SP>1</SP> to be adjusted, a sliding member U having three holes, is moved relative to slide A<SP>1</SP> until two of the holes are aligned with two screws T. Carried by member B<SP>1</SP> spindle I, is rotated, thus moving member B<SP>1</SP> along slideway 1 and slide A<SP>1</SP> is moved towards member U until the third screw T abuts member U, thus setting the position of the first tool. The same procedure is carried out for the other two tools using a different pair of holes in member U, and a different pair of screws T. Specification 960,221 is referred to.
Patent GB-1063850-A (GB)
Title: Device for regaining diamond grindings (bort) in diamond grinding
IPC: B24B55/12
Filed: 1964-06-09
Abstract: 1,063,850. Air filters. L. DE BEER. June 9, 1964. No. 23933/64. Heading B1T. [Also in Division B3] A device for grinding diamonds and for regaining the diamond grindings (bort) comprises a horizontal rotatable grinding disc 3, a fixed ring 5 which fits substantially against the circumference of the grinding disc and separates from each other the air streams flowing outwardly from the upper and lower faces of the disc, and a bort catching collar 6 which is concentric to and above the ring 5 and contains a filter into which the air enters, flowing outwardly from the upper surface of the disc, together with the bort suspended therein, air outlet openings being provided at the outer side of the filter. The filter consists of upper and lower rings (7, 8, Fig. 3), between which is a filtering material 10 such as steel wool or layers of netting, and to the inner circumferences of which a ring of netting 9 is fitted; a similar ring of netting may be fitted to the outer circumferences of the rings 7, 8. The filter is mounted on the ring 5 and covered by a ring-shaped element (11), the filter and element being releasably secured to the ring so that the filter can be removed and raised to regain the bort by pins 15 which lock under block members 16 extending from the ring 5. The element (11) is releasably secured to the upper ring 7 of the filter by hooks (12) engaging openings (13) in the upper ring. The shaft 1 of the grinding wheel extends through an opening in the grinding table 4 on which is a bottom plate 18 carrying ribs 22 supporting a separating plate 19 connected to the ring 5, the ring and plate maintaining the air from above and below the grinding wheel separate. Ribs 23 are mounted on the plate 23 and connected to a third plate 20, the ribs both above and below the plate 19 acting as guiding members for the air and being in the direction of the air stream.
Patent GB-1185015-A (GB)
Title: Electrical Control Apparatus Providing Two Independently-Operable Controls
Inventor: STONE JOHN FREDERICK
IPC: H01H21/02
Filed: 1966-05-24
Abstract: 1,185,015. Hand actuating devices for switches; switch cases; indicators for switches. ELLIOTT BROS. (LONDON) Ltd. 22 May, 1967 [24 May, 1966; 27 May, 1966], Nos. 23204/66 and 24044/66. Headings H1M, H1N and HIS. A ring-like knob 26 for operating a rotary switch, variable resistor or capacitor 16 has a fixed transparent central bush which, together with a switch 30, is mounted in cantilever fashion from the side of the housing 12, the strip 22 coupling knob 26 to the device 16 having less than 360 degrees angular movement. A lamp 40 illuminates the central bush, which may be multi-coloured, and the dolly 32 for operating switch 30 has an enlarged portion which obturates part of the bush.
Patent GB-534340-A (GB)
Title: New or improved adjustable hinge device for parts of vehicles
IPC: B60J1/04
Filed: 1939-08-22
Abstract: 534,340. Hinges. DAIMLER-BENZ AKT.- GES. Aug. 22, 1939, No. 24155 Convention date, Sept. 22, 1938. [Class 65 (ii)] A hinge for a windscreen &c. c comprises a threaded bolt l pivoted to the other hinge member h and passing through a large hole r in a support q, to which it is adjustably clamped by two nuts m, n in the large bearing surfaces which may be roughened.
Patent GB-277675-A (GB)
Title: Improvements in or relating to handles and holders for dental and like instruments
IPC: A61C1/08
Filed: 1927-09-14
Abstract: 277,675. Pieper, O. H., and Pieper, A. F. Sept. 20, 1926, [Convention date]. Dental instruments; appliances for illuminating cavities; cauterizing-appliances.-Relates to switch handles or instrument holders for electrically-heated dental or like instruments such as pluggers for guttapercha stoppings, inspection lamps, or cauteries, and more particularly to the means for securing the tool in place in the holder, the means for making electrical contact with the tool, and the means for insulating the user's hand from the heat of the tool and the holder. The handle 1 is formed with a threaded neck 19, Figs. 2 and 6, formed with an L- shaped slot 24, a resilient split sleeve 21, mounted within the neck 19, is formed with bevelled ends which are engaged by bevelled surface 24, 23 on the handle 1 and on an external clamping-ring 22 respectively, so that when the ring 22 is screwed down on the neck 19 the sleeve 21 is contracted so as to clamp the base member 26 of the tool. The upper portion of the neck 19 also is engaged by the bevelled surface 23 so that it closes on and grips the sleeve 21. The sleeve 21 is formed with flat surface 21a and is positioned so that the slot 21<c> therein is in alignment with the vertical portion of the slot 20 in the neck 19 so as to increase the binding action of the. parts. The tool is fitted with concentric contact members 28, 29. The outer contact member 29 engages within a flared split sleeve 10 mounted on a resilient conducting strip 8; the central contact member 28 may be put into connection with a second resilient conducting strip 6 by upward movement of a sleeve 18 which carries a button 17 projecting through a slot 16 in the handle 1. The conducting strips 6, 8 are held in grooves 4 in a core 2 of insulating material and are covered on their outer faces bv insulating strips 7, 9 held in place by rings or bands 11 fitted in grooves in the core 2. To protect the hand of the user from excessive heat the tool is fitted with an insulating collar 32, the clamping ring 22 is covered with insulating material 22<b>, and the switch sleeve is formed of insulating material. A spiral guard 33 round the base of the tool may also be provided. The tool may be turned in the handle, after slacking off the clamping-ring 22, so that the tool and the switch button may be brought into convenient relative position. A known construction is referred to wherein a tapered shank on the heating tool or instrument is received in a split collet in the handle and the latter is provided with two contact strips cooperating with terminals on the instrument.
Patent GB-890612-A (GB)
Title: Improvements in or relating to winding engine brake arrangements operated by pressure medium
IPC: B66D5/26
Filed: 1958-07-28
Abstract: 890,612. Winding engine brakes. SIEMENSSCHUCKERTWERKE A.G. July 28, 1958 [July 26, 1957], No. 24256/58. Class 103 (1). A pressure-medium-actuated winding engine brake has a working circuit including a service brake piston and cylinder 1, 45, and a safety brake piston and cylinder 2, 46, is directly connected to pressure source 22, and has a control circuit including a pressure reservoir 26 and pressure setting members for controlling pressure in the working circuit, and being connected via an adjustable throttle 19 to source 22. With the emergency lever 13 as shown, compressed fluid is supplied from pipe 15 to valve 14 and via electromagnetically-controlled valve 6 to act on diaphragm 44 in valve 8 which is opened to supply compressed air to cylinder 2 from pipe 37 via pipes 25, 24. Rotation of service lever 11 towards the shown position opens valve 40 to supply compressed fluid to valve 5 until valve 12 returns to a lap position; pressure in chamber 20 of valve 5 moves diaphragm 48 to open valve 30 and supply compressed fluid to cylinder 1 via pipes 38, 23, the valve 5 moving to a lap position. For emergency braking, lever 13 opens contacts 56 to de-energize valve 6 to exhaust pressure from valve 8 via member 59 and port 71; the stem 64 in valve 8 rises to vent cylinder 2 via throttle 9 and weight 3 lowers piston 46 to apply the brakes. Valve 74 is raised by cam 72 to disconnect pipes 18 and 27 and vents pipe 18. Movement of safety lever 13 to close contacts 55 re-energizes valve 6 for recharging of cylinder 2; contacts 62 then being closed by pressure valve 7 and lever 13 is returned to its neutral position. Throttle 19 and reservoir 26 are such that with normal frequency of control operations the pressure does not drop to more than a pre-determined extent; however, on unexpected consumption of fluid downstream of throttle 19 the pre-determined drop is exceeded and pressure valve 7 opens its contact to de-energize valve 6 to apply the safety brake. Specification 226,547 is referred to.
Patent GB-765589-A (GB)
Title: Locks and latches for doors
IPC: E05B3/08
Filed: 1954-08-23
Abstract: 765,589. Doorlocks and latches. PARKES & SONS, Ltd., J., and PARKES, C. W. Aug. 15, 1955 [Aug. 23, 1954], No. 24411/54. Class 44. In locks or latches for doors of the kind in which a spring bolt is operated by a follower 1 on a spindle 3 which is fitted with knobs or handles at its opposite ends, the follower is adapted to be operated by the spindle even though the latter, say, by reason of the roses or lock set plates being incorrectly mounted is constrained to turn about an axis which is disposed at an appreciable angle to the side walls 2 of the lock or latch case. As shown in Fig. 1, the follower is mounted for rotation about an axis at right angles to the side walls of the lock or latch case and its boss has a spindle hole 4 which is of square cross-section and which tapers from the end to the centre where it is of substantially the same cross-section as that of the spindle. This construction allows the spindle to tilt relative to the follower. In another construction the follower boss has an inwardly extending narrow land at the centre which closely embraces the spindle and the end portions of the hole are of a larger cross-section than the opening in the land. The end portions can be of square or circular cross-section. In another construction, Fig. 7, the follower boss has a square hole through it which fits the spindle and the boss is formed with partspherical bearing surfaces 7 on each side which co-operate with complementary part-spherical seatings 8 surrounding clearance openings 9 for the spindle through the side walls of the case.
Patent GB-1076014-A (GB)
Title: New inorganic product containing a nitrosyl group
IPC: C01B21/086
Filed: 1964-06-12
Abstract: Nitrosyl hydrogen pyrosulphate, NOH.S2O7, is obtained by reacting NOH.SO4 with SO3 or with chlorosulphonic acid and then heating under vacuum to remove HCl. The X-ray spectrum is given.
Patent GB-1271894-A (GB)
Title: Carpet sweeper
IPC: A47L11/33
Filed: 1970-05-20
Abstract: 1,271,894.  Carpet sweepers. BRUSH CO. Ltd. SA. May 20, 1970 [May 26, 1969], No.24518/70. Heading A4F. The supporting wheels 34 of a carpet sweeper are mounted on the dust collecting trays 20, hinged to opposite walls of the sweeper housing 1, and drive a medially arranged brush 6 by engaging rollers 7 thereon during operation of the sweeper, but move away from the rollers 7 with the trays 20 when the latter are tilted downwardly for removal of the dust collected therein each tray 20 is tilted by actuation of a pivoted lever 41 to move downwardly a link 46 connected to the tray. A tension spring 40 acts upon the levers 41 to hold the trays 20 in their normal operating positions. A wall 37 of each tray is provided with a toothed comb 36 for cleaning the brush 6.
Patent GB-174568-A (GB)
Title: Process for the production of a sealing compound for pneumatic tyres or the like andthe compound produced thereby
IPC: C09K3/10
Filed: 1921-09-15
Abstract: 174,568. Surpneu Ges., (formerly Pneusan Ges.). Jan. 24, 1921, [Convention date]. Plastic compositions containing dextrin, starch, &c.-A compound for inserting in inner tubes of tyres to seal punctures has as one of its constituents a fermentable derivative of starch such as dextrin in which fermentation is set up either spontaneously or by an addition e.g. of yeast. When such a compound is introduced into a tyre, the air pressure completely or nearly arrests fermentation until a puncture occurs, when carbon dioxide is formed and some of the compound is forced into the puncture. Preferably the fermentation is initiated before the compound is pumped into the tyre and always when spontaneous fermentation is relied on, in the presence of a substance retarding fermentation. According to an example, 250 parts by weight of dextrin, 50‹ parts of tripoli, and 170 parts of kaolin are triturated and agitated with 600 parts of water. 10 parts of vegetable gum, and a small quantity of solution of gum benzoin are added, and the mixture is left at room temperature, preferably after the addition of yeast, until fermentation is set up. The mixture is placed in sealed bottles from which it is introduced into the tyre.
Patent GB-464077-A (GB)
Title: Coupling device for connecting a tractor to a semi-trailer
IPC: B62D53/08
Filed: 1936-09-09
Abstract: 464,077. Non-automatic couplings for vehicles. DOORNE, H. J. VAN. Sept. 9, 1936, No. 24578. Convention date, Sept. 17, 1935. [Class 103 (v)] In effecting a coupling between a tractor and semi-trailer, sleeve members 6, 16, Fig. 2, which are provided with interengaging projections 15 and recesses 16<a> to prevent relative vertical displacement of the vehicles, are brought into alignment, and the sleeve 6 on the tractor is then engaged by a vertically sliding pin 7 guided within the sleeve 16 on the semi-trailer, such pin forming the axis of the pivotal connection between the tractor and semi-trailer. For releasing the pin the same is fitted with a tubular cross-pin 13, the ends of which are embraced by the forked ends 12 of a bell-crank lever 11, which is actuated by the driver against the effort of a spring 14 through the medium of a rod 10, crank 9 and operating- shaft 8. The upward or coupling movement of the pin 7 simultaneously places in communication pressure or vacuum pipes 25, 17, Fig. 4, on the tractor and semi-trailer, whereby the semi-trailer brakes are displaced from their operative position and put under the control of the driver. For this purpose the lower end 24 of a tube attached to the pipe 25 is adapted to abut against and displace a washer 20 from sealing contact with a cap 19 fitted on the end of a tube 18 on the hollow pin 13. At the same time electric circuits for the lamps of the semi-trailer are completed by means of contact springs 38, 39. The upper edge of the pin 7 may also be designed to contact with a sliding pin 41 which in turn reacts upon the end 42 of a bell-crank lever and causes the supporting legs (not shown) of the semi-trailer to be raised automatically. When the coupling is disconnected the legs are lowered by hydraulic means which finally effects a slight lifting of the forward end of the semi-trailer and allows the vehicles to be separated.