baber/WOPTO huggingface dataset:
Patent GB-865641-A (GB)
Title: Improvements in gramophones
IPC: G11B19/265
Filed: 1958-05-06
Abstract: 865,641. Gramophones. LIMIT ENGINEERING GROUP Ltd., and SONES, W. H. May 4, 1959 [May 6, 1958], No. 14526/58. Class 40 (2). [Also in Group XXIV] Depression of the ratio selecting knob 19, Fig. 5, of a variable-speed gear for a gramophone turns a selecting-rod 20 about its pivot point so that a bell-crank lever 21 is turned to operate a switch 22, which may stop the driving electric motor of the gramophone, and simultaneously disengages a friction idler disc 17 from a stepped and/or coned driving friction-wheel 16, axial sliding motion of the rod 20 then turning a second bell-crank lever 42 about its pivot-point 43 so that an arm 44 carried thereby is moved substantially vertically to engage the friction idler disc with different diameter portions of the driving friction-wheel. The ratio selector knob 19 is integral with an eccentrically-mounted pin 77, Fig. 7, carried at the end of the selector rod 20, rotation of the selector knob accordingly causing slight axial movement of the rod 20 for fine adjustment of the gear ratio. The knob 19 has a stem 76 which, when the knob is raised to switch on the electric motor driving the gramophone, co-operates with a tooth-like surface in a gate slot 80, Fig. 8, to prevent axial movement of the rod 20. When the knob 19 has been depressed to switch off the driving- motor, the narrow neck of the knob stem 76 lies in the gate slot 80, so that the knob can then be slidden through the gate to effect ratio shifts. As shown, the idler disc 17 engages inside the rim of the gramophone turntable 11, but alternatively the idler disc may engage the outside of the rim, or the underneath of the turntable. The arm 44 is biased about the bell-crank lever 42 by a spring 46 so as to engage the idler disc between the driving friction-wheel 16 and the turntable rim 11, the parts being so engaged that transmission of drive tends to engage the idler disc more firmly with the driving frictionwheel 16 and the turntable. To enable the ratios of the gearing to be adjusted during assembly of the manufactured parts, the arm 44 pivots on the bellcrank lever 42 through an eccentric washer 51, Fig. 11, having a depending finger 52 turned to vary the effective position of the arm upon the bell-crank lever. The turntable 11 is held upon its spindle 12, Fig. 13, by a flanged retainer 75 pivoting on the turntable base 10 and normally coacting with a flange 71 fast to the turntable. To remove the turntable, a screwdriver is inserted through a hole therein to engage a slotted sleeve 74 fast with the flanged retainer 75, which is turned so that it no longer lies over the flange 71 on the turntable. The turntable 11 can then be readily withdrawn from the spindle 12. The electric motor driving the grampohone may be powered by batteries.
Patent GB-1013890-A (GB)
Title: A method for the purification of sewage or sludge
IPC: C02F1/48
Filed: 1963-04-11
Abstract: In the process of purifying water according to the parent Specification in which A.C. power is applied to spaced, vertical electrodes adjacent a neutral electrode and the distance therefrom being substantially less than the space between the live electrodes and the container, the field applied is sufficient to stimulate the microbes present to consume putrefiable material, and is then increased to paralyse or kill the microbes leaving the water sterile. A field of 10 m A. per sq. cm. of surface projected between live and neutral electrode, is sufficient for stimulation, 25 m A. for paralysis and 50 m A. for death.  The surface is that projected by the diameter of the cylindrical surface of the electrode and the depth of immersion of the electrode.
Patent GB-1524878-A (GB)
Title: Garment hanger with indicia means
IPC: A47G25/14
Filed: 1976-04-09
Abstract: 1524878 Garment hangers A & E WARBERN Inc 9 April 1976 [2 Oct 1975] 14576/76 Heading A4U A garment hanger 9 has indicia 11, 14 replaceably connected to it, the indicia 11 comprising a cross-shaped plug (17) received in a socket (18) and the indicia 14 having a face flush with the hanger surface and a T-shaped part (19) engaging in a complementary slot (20).
Patent GB-203023-A (GB)
Title: Improved method of and means for establishing electrical connection between movable contacts
IPC: G01R1/30
Filed: 1922-05-24
Abstract: 203,023. Evershed & Vignoles, Ltd., and Needham, J. C. May 24, 1922. Drawings to Specification. Order apparatus.-The invention relates to electrical connections between movable contacts where connection is liable to fail from insufficient electrical potential difference or mechanical pressure, for example the movable contacts of switches, potentionmeters, relays, etc. An alternating potential difference from a separate source is introduced into the circuit including the contacts in series or parallel connection, directly or inductively. The arrangement enables a considerable reduction of the direct current potential difference otherwise needed to bridge the contacts. The Specification describes the application to an order telegraph of the Wheatstone bridge type.
Patent GB-1525179-A (GB)
Title: Hair dryer
IPC: A45D20/12
Filed: 1977-03-30
Abstract: 1525179 Hair driers GILLETTE CO 30 March 1977 [9 April 1976] 14644/76 Heading A5R [Also in Divisions F4 and H5] In a hand held hair drier having an axial flow fan 3A driven by an electric motor 3 which is arranged downstream of the fan, the electric resistance heating elements 5 surround the motor, there being a heat shield 4 between the elements 5 and the motor. As shown, a further heat shield 10 is provided and (Figure 2, not shown) an unheated draught of air (A) passes through a slot (B) in the outer heat shield 10 and thence through the handle of the drier where it cools other electrical components. A comb or brush may be mounted on the outlet nozzle 13.
Patent GB-651199-A (GB)
Title: Improvements in or relating to cardboard or the like boxes and similar containers
IPC: B65D5/20
Filed: 1947-06-03
Abstract: 651,199. Boxes. O'CONNOR, J. P. M. June 3, 1947, No. 14683. [Class 18] A box comprises two separable sections each formed from a single blank having bottom, side and end wall panels, a lid portion 6 and a handle forming portion 10, the sections being disposed back to back with their lids overlapping and each lid having a slot 13 of sufficient width to accommodate the projecting handle portions 10 of adjoining section walls 4.
Patent GB-159850-A (GB)
Title: Improvements in or relating to apparatus for charging and discharging crucible furnaces
IPC: B66C23/48
Filed: 1920-05-31
Abstract: 159,850. Brosius, E. E. March 3, 1920, [Convention date]. Crucible tongs.-An apparatus for charging and discharging crucible furnaces comprises a pair of crucible tongs flexibly suspended from a crane on an operator's carriage, and having handles extending to such a position that they can be freely manipulated by the operator. The tongs 15 are suspended from a cable 16 secured to the fixed front 18a and passing round pulleys 18, 17, the former on the piston-rod 19 of a double-acting power cylinder 20, and the latter on the horizontally-swinging crane arm 13. The controlling- valve of the cylinder is operated by the counterweighted bail-shaped treadle 28 through a rack and pinion. In the normal position of the treadle, the tongs are in their raised position. The car has a curved guard 29 carrying a frame 30 with coloured glass, through which the furnace may be inspected. a rest-bar 31 for the operator's body, and propelling-gear comprising the hand-wheel 32 and driving-chain 33. The floor of the car is heatinsulated.
Patent GB-826703-A (GB)
Title: Improvements in or relating to windscreen wiper systems
Inventor: STEVENS DEREK NORMAN
IPC: B60S1/18
Filed: 1957-05-10
Abstract: 826,703. Windscreen wipers. GENERAL MOTORS Ltd. April 23, 1958 [May 10, 1957], No. 14902/57. Class 138(1). A wrap-round windscreen wiper system, comprises a main wiper arm and blade arranged to wipe a central portion of the windscreen and two auxiliary wiper arms and blades arranged to wipe curved portions of the windscreen to each side of the central portion. A motor 3 drives a crank 4 which is joined by links 5, 7 and 9 to further cranks 6, 8 and 10 driving wipers 28, 30 and 32. Crank 6 is coupled to shaft 15 by pinion segments arranged so that wiper 28 moves through an arc of 140 degrees while the other wipers move through arcs of 90 degrees. The non-alignment of the axes of shafts 15, 17 and 19 is compensated by the provision of part-spherical bushes 22 on cranks 6, 8 and 10. The Provisional Specification refers to the cleaning of flat windscreens.
Patent GB-601168-A (GB)
Title: Improvements in or relating to agricultural machines for spraying powder on to cropsand the like
IPC: A01C15/04
Filed: 1946-05-28
Abstract: 601,168. Spraying insecticides. WILLIAMS, J. F. May 28, 1946, No. 14918/45. [Class 6(i)] In spraying powdered insecticides and the like by a blast of air from a fan, a hood is provided over the delivery nozzles, the sides of said hood closely approaching the ground to enclose the space on to which powder is directed. Powder is supplied into an air duct 33 from a hopper 17, provided with a mixer, by a vertical worm conveyer driven from a shaft 21. Air from a fan 30 delivers the powder through nozzles to the plants being sprayed. A hood 43 encloses the nozzles and the fan air inlet 41. The fan and hopper mixer and delivery means are driven by belts from the landwheels, a dog clutch being interposed between the landwheels and the fan. Several hoods may be fed by branches from the delivery duct of a single fan. Specifications 536,585 and 575,348 are referred to.
Patent GB-714593-A (GB)
Title: A new or improved automatic slotting machine using slitting saws
IPC: B23G9/00
Filed: 1951-06-26
Abstract: 714,593. Milling; slitting lock-nuts. PHILIDAS, Ltd., and KING, J. L. Aug. 1, 1952 [June 26, 1951], No. 15084/51. Class 83 (3). [Also in Group XXX] An automatic machine for cutting slits in self-locking nuts &c. comprises a table 4 which carries fixed and movable gripper jaws 13, 14 to which the articles are delivered by a feed shoot 20 and which is reciprocated past one or more adjustably mounted slitting saws 26, means 23 being associated with the jaws to ensure ejection of the slit articles and the movable jaw being actuated by toggle links 16 and a fixed cam 19. The table is fed by a cam 9, rotated by a motor 31 through a gear-box 33, and is retracted by a weight 10 or a spring. The motor 31 also rotates the saws 26 through gearing 39- 43, and a suds pump 38. In operation, at the end of a return stroke, the slide displaces a plate 24 and allows a nut to drop between the jaws 13, 14 where it is positioned by the plunger 23 and a cam surface 22. The slide is then advanced, causing a cam 19 to close a toggle 16 and clamp the nut firmly as it passes between the saws 26. At the end of the stroke, a rod 48 strikes an abutment 47 on the toggle, thus opening the jaws to allow the plunger 23 to eject the nut into a tray. The saws are adjust-. able both axially and laterally, and the adjustable mounting 17 for the toggle is combined with a rubber pad 49 so that varying sizes of nuts can be accommodated. The gear-box 33 may include a slipping clutch to prevent overload. The machine may slit nuts of the type described in Specifications 551,534, [Group XXV], and 561,286.
Patent GB-684510-A (GB)
Title: Improvements in constructions of mufflers or ducts for dampening the sound of gas streams
IPC: B64F1/26
Filed: 1950-06-16
Abstract: 684,510. Fireproof sound-insulation. LEMMERMAN, Inc., C. W. June 16, 1950 [Jan. 31. 1950], No. 15155/50. Class 64 (ii) [Also in Group XXVll] The inner surface of the shell of a sound-dampening duct for dissipating heat and sound, e.g. for silencing the exhaust (see Group XXVII) of the jet engine of an aeroplane when the latter is on the ground, is covered with sound-dampening panels and a few panels are mounted edge-on to the exhaust at the exit of the device. A frame of welded channel members 12 defines the edges of each panel, further channel members (Figs. 2, 3, not shown) extend across the frame as supports, and the sides are completed by perforated cover plates 16, 18, of stainless steel, galvanized steel or aluminium, spot welded to the channel members. A layer 20 of fabric or matted fibres of glass or asbestos backs the plate 16 to retain any pieces which may break off from a rigid block 22 of porous mineral wool or from a layer 24 of matted spun mineral wool felt which together constitute the panel filling. On two opposite edges of each panel the channel members 12 are severed to allow for thermal expansion. A resonating chamber 26 is formed at one side of each panel by a curved metal sheet 28 joined at two opposite sides to edges of the plate 18. The sheet 28, which may be spaced by a brace 30, is the portion of the panel which contacts and is supported by the inner surface of the cylindrical silencer shell.
Patent GB-662574-A (GB)
Title: Improvements in or relating to thermostats
IPC: H01H37/48
Filed: 1949-06-08
Abstract: 662,574. Thermal switches. KIEBACK, E., and PETER, P. June 8, 1949. No. 15237/49. Class 38 (v). [Also in Group XIII] In a thermostat having a feeler-tube 5 the expansion of which is transmitted by a member 7, 8 to the switch contact lever 13, the member 7, 8 is centred and axially guided at the lever end by a leaf spring 18 secured at right-angles to the rod on a head piece 10 and, at the other end, on the lever housing 2. An adjusting screw 11 is carried by the head piece 10 which is encircled by the spring 18 resiliently engaging in grooves on opposite sides of the head piece, two limbs forking from the encircling portion for attachment to the housing. The trans. mitting member consists of two parts, the upper part 8 being a rod or tube of the same material, e.g. brass, copper or nickel steel (such as V2A-steel), as the tube 5 while the lower part 7 is a rod of quartz or ceramic material and is loose in the tube with end caps 22 having a part-spherical surface of a diameter 23 equal to the length of the rod 7. As shown in Fig. 2, a pointed extension 24 of the upper cap fits in a flanged bush 27 in the upper member 8, the two parts 7, 8 being held together by a spring 9. Fig. 1. The lever 13, spring urged on to a pivot or pivots 14 and a fixed contact 16 which co-operates with the contact 15 on the lever, is adjusted by the screw 11 fixed to a scale 20. The points of the screw and pivots are in a plane at right-angles to the rod 8. In a modification the spring 9 is omitted and the rod 7 is of "Invar" (Registered Trade Mark) and is screwed, welded or soldered to the bottom of the tube 5.
Patent GB-571486-A (GB)
Title: Improvements in or relating to spring forks for motor cycles and the like
IPC: B62K25/08
Filed: 1943-09-17
Abstract: 571,486. Spring forks for motorcycles &c. BIRMINGHAM SMALL ARMS CO., Ltd.; and PERKINS, H. Sept. 17, 1943, No. 15250. [Class 136 (iii)] [Also in Groups XXVI and XXXII] Relates to spring forks for motor cycles &c. of the kind comprising telescopic tubular members 1 connected to the steering post by transverse members 3 and sliding within tubes 5 having fork end lugs 7 to each of which is secured a central tube 11 supporting the lower end of a compression spring 15, the upper end of which abuts against a cap 19 fixed in the tube 1. Oil placed in the tube 5 acts as a buffer to the telescopic movement, and according to the invention an oil seal gland at the top of the tube 1 comprises resilient annular washers 25, 27, 29 of wedge-shaped -cross-section to provide knife-edges, some of which are directed downwardly and others upwardly, the washers being retained by a sleeve 23. The upper end of the outer tube 5 is screw-threaded to receive the sleeve 23 which is spun over a retaining ring 37 to maintain in place the rubber washers embracing the tube 1. A distance-piece 35 separates the washers 27, 29. The upwardly-directed washer 25 prevents ingress of grit and dirt. The tubes 1, 5, 11 are spaced by bearing bushes 21, 24, 22, the bush 21 having a restricted passage 26 for damping the telescopic movement.
Patent GB-402148-A (GB)
Title: Floatless carburettor for internal combustion engines
IPC: F02M17/02
Filed: 1932-05-30
Abstract: 402,148. Spray carburetters. LAUTH, E., 38/0, Hauptstrasse, Otzsch, near Leipsic, and VESTA WIRTSCHAFTSPRUFUNGSUND TREUHAND-GES., 3, Trondlinring, Leipsic, Germany. May 30, 1932, No. 15332. [Class 7 (iii).] In a floatless carburetter having an automatic air - inlet valve positively controlling the fuel valve, the mixture throttle valve controls the air valve only at the commencement of its opening while the air valve always controls the fuel valve. The casing of the carburetter is formed by two superposed arms 2, 3, Fig. 1, separated by a partition 4, and connected by a cap 5, the arm 2 containing a filter and housing a suctionactuated air valve 8 which through co-operating abutments 12, 13 controls a fuel needle valve 10. To limit the opening of the valve 8 at small throttle openings, a lever 19, Fig. 4, on the axis of the valve 8 engages with a pin 18 on a disc 17 mounted on the axis of the throttle valve 15 ; as the valve 15 opens, the lever 19 is liberated and the valves can open fully. At starting, a nose 42 on the disc 17 engages a pin 20 on the lever 19 to lift the fuel valve 10 from its seat. During idling, the valve 8 lifts the valve 10 slightly, and fuel is supplied to a space 27, Fig. 7, and passes through a bypass channel 34 to an interchangeable idling nozzle 30, Fig. 6, in a casing 31, and mixes with air drawn in through a channel 33, and the mixture formed passes through an adjustable sleeve 38 and a channel 32 to the engine side of the throttle valve 15. As the valve 10 is further opened, holes 26, Fig. 7, are uncovered by a sleeve 9a and fuel passes from the space 27 through holes 25 into a space 23 in the valve 10, and through the holes 26 into a chamber 28, where it mixes with air passing through slots 29 before entering the mixing chamber 7. To prevent any interruption in the fuel supply as the valve 10 opens, the holes 26 are arranged spirally so that the upper edge of one extends above the lower edge of the next. As the valve 10 is further opened, to complete the mixture, slots 44, Fig. 1, permit air to pass from the arm 2 into a channel 46 in a choke tube 45 and enter the mixing chamber 7 through apertures 48.
Patent GB-272342-A (GB)
Title: Improvements in apparatus for discharging projectiles by centrifugal force
IPC: F41B3/04
Filed: 1926-06-18
Abstract: 272,342. Powell, B. F. S. Baden-. June 18, 1926. Ordnance, mechanical.-A centrifugal gun comprises the combination of a barrel or barrels radiating from a rotating shaft, mechanical means for loading elongated projectiles into the inner ends of the barrels, and means adjacent the rotating shaft for releasing the projectiles at predetermined instants. As shown in Figs. 1 and 2, there are two barrels 3, 4 in arms 1, 2 radiating from a rotating shaft 5. Near the inner ends of the barrels are the projectile releasing devices comprising catches 6 carried by spring arms 7 and adapted to be raised and lowered alternately by a rotating cam device 8, 9. The projectiles may be fed through a central tube 17, Fig. 5, at the lower end of which is a camoperated rocking guide 18 for distributing the projectiles to the barrels alternately. In a modification, the central hub of the rotating barrels has two slots 29, Fig. 8, leading to the barrels, and the projectiles are fed from a fixed magazine 23, Fig. 6, eccentrically mounted so that the slots pass beneath it. A cut out device 24 operated by a trigger 27 may be provided. In another modification, Fig. 9, the projectiles are fed from the magazine 23 by a rotating cradle 32 controlled by a gapped ring on the rotating hub. A centrifugal device may be provided to prevent projectiles from being fed until the device has attained sufficient speed. One such device is shown in Fig. 13 applied to a central feed tube 23 and comprises a cut-out 43 carried by a weighted lever 41. The barrels may be provided with antifriction rollers 28, Figs. 1 and 2, which are preferably inclined so as to cause the elongated projectiles to spin. Externally, the arms carrying the barrels are stream-lined in cross-section. Specification 239,616 is referred to.
Patent GB-820929-A (GB)
Title: Improvements in or relating to adaptable fluid mixing apparatus
IPC: E03C1/04
Filed: 1958-05-14
Abstract: 820,929. Supply fittings for baths &c. HAYES, S. May 14, 1958, No. 15379/58. Class 26. Apparatus for attachment to fitted taps for mixing liquids from two sources at the exit from it comprises a body portion 1 with an independent outlet on each side of the vertical centre line, each end on the horizontal centre line having a packing ring 2 and clip 3 to receive a telescopic member with a cup type end 4 for engaging a tap.
Patent GB-945153-A (GB)
Title: Improvements in or relating to the production of polyurethanes
Inventor: SEIJO ERNEST
IPC: C08G18/24
Filed: 1961-04-28
Abstract: In a process for the production of a polyurethane plastic, an organic polyisocyanate or polyisothiocyanate of the general formula R(NCX)n+1 (wherein R is a polyvalent organic radical; X is an oxygen or sulphur atom; n is an integer) is reacted with a polyoxyalkylene polyol in the presence of a tin salt of a synthetic saturated mono-carboxylic acid and in the presence of a compound containing a plurality of active hydrogen atoms in such amounts that the ratio of total -(NCX) groups to total hydroxyl groups present is greater than 1:1.  The reactant R(NCX)n+1 may be aliphatic, cycloaliphatic or aromatic.  The polyoxyalkylene polyol is preferably a reaction product of an alkylene oxide and a polyol, or may be an alkylene oxide copolymer or a polyoxyalkylene polyol such as a polyoxypropylene glycol tipped with ethylene oxide.  A synthetic carboxylic acid of which the tin salt is used, is a saturated monocarboxylic acid obtained by reacting a mono-olefin with carbon monoxide and water, suitable processes being described in Specifications 871,278, 873,738 and 883,142.  The acid is a compound of the general formula R1 R2 R3 C.CO2H wherein R1 and R2 each represent, when considered separately an alkyl, cycloalkyl, aryl or aralkyl group; R3, when considered separately represents a hydrogen atom or an alkyl, cycloalkyl, aryl or aralkyl group; and R1, R2 and R3, or any two of these symbols, when considered jointly, may be joined to each other to form a ring. Specified compounds containing active hydrogen atoms are water, glycols, amines, dicarboxylic acids, hydroxy amines, hydroxy acids and amino-acids. In preparing the polyurethane organo-tin catalysts and/or basic catalysts (calcium oxide or hydroxide, barium oxide or hydroxide, sodium hydroxide alkoxide or a tertiary base such as trimethylamine, 1,3-bis (dimethylamino-butane), tetramethylguanidine, N-alkyl-morpholine, triethylene diamine) may be present in the reaction mixture. Cellular products are obtained by using conditions wherein carbon dioxide or carbon oxysulphide is evolved.  The reaction mixture may also contain a solvent, for example benzene, toluene, xylene, gasoline, carbon tetrachloride, ethyl acetate, amyl acetate or solvent naphtha. In examples cellular polyurethane is prepared by reacting glycerol/propylene oxide polyoxyalkylene polyol (M.W. 3000), toluene 2,4- and 2,6- diisocyanates, triethylene diamine, silicone oil, water and stannous salt of mixed C9-11 synthetic saturated acids.  Specification 858,031 also is referred to.