baber/WOPTO huggingface dataset:
Patent GB-141099-A (GB)
Title: Improvements in or relating to shaded-pole motors and the like
IPC: H02K17/10
Filed: 1918-12-05
Abstract: 141,099. Carey, E. S. Dec. 5, 1918. Electro-magnetic current meters; induction motor meters.-In alternating-current motors of the shaded-pole type, which are applicable to meters, and of the kind wherein both the stator and the rotor are of substantially cylindrical form and are co-axial, the pole-screens are mounted between the poles and are adjustable at will about the axis of the rotor for changing the speed of the motor. In the construction shown, the screens comprise copper bars F carried by a spider G. In the central position shown the. bars are ineffective, but when the spider is rocked to bring the bars adjacent the poles, and current is applied, the motor starts, its direction of rotation and its speed being determined by the relative positions of the bars and the poles. Each bar may be provided with a longitudinal slot so that it takes the form of a single-turn coil.
Patent GB-961081-A (GB)
Title: Attachments for flower pots
IPC: A47G7/04
Filed: 1962-05-25
Abstract: 961,081. Suspending plant pots; flower holders. P. M. F. BABBE. May 23, 1963 [May 25, 1962], No. 20187/62. Heading A4U. A holder for suspending a flower pot 16 comprises a length of galvanized wire bent to form a conical spiral 10 into which the pot 16 is inserted and a hook 14 by which it is suspended. In a modification Fig. 4 the device does not support the pot 16 but supports the stem or leaves of a plant by means of a loop 20. In another modification the hook is S-shaped and supports an irrigation pipe.
Patent GB-379464-A (GB)
Title: Improvements in steam de-superheaters
IPC: F22G5/12
Filed: 1931-07-14
Abstract: 379,464. Spray-producers. WING- FIELD, B. T., Brooklyn, The Green, West Drayton, Middlesex. July 14, 1931, No. 20250. [Class 69 (iii).] Water is sprayed into a desuperheater through a nozzle 4 having a cone 20 which is moved in and out of the nozzle by a rod 18 connected to a lever 24 pivoted to a frame 26 on the desuperheater casing. The lever may be moved by a hand-wheel 46. A helically grooved sleeve 22 is secured to the rod 18 above the cone 20. The cone has preferably a parabolic contour.
Patent GB-499735-A (GB)
Title: Improvements in or relating to infantry mortars
IPC: F41A23/20
Filed: 1937-12-28
Abstract: 499,735. Trench mortars. SAGEB SOC. ANON. DE GESTION ET D'EXPLOITATION DE BREVETS. Dec. 28, 1937, No. 20303/38. Convention date, Dec. 31, 1936. Divided application. [Class 92 (i)] Relates to mountings for infantry mortars, as described in Specification 487,534, having a shock absorber 13, Fig. 4, interposed between the base-plate 2 and the front supporting carriage, the breech end 42, Fig. 7, of the barrel 1 and part-spherical ends 13a, 13b of the shock absorber being joined by a pin 43 to form a sphere which engages a cavity in the base-plate. According to the invention, the cavity in the base-plate is cut away at 43a, Figs. 4, 5, to enable the pin 43 to be removed, thus enabling the breech of the gun to be withdrawn without unlocking the head of the shock absorber from the cavity. The spherical part of the shock absorber is provided with flats 41 which during assembly pass through gaps 40 in the cavity, the parts being then given a quarter turn for locking.
Patent GB-148425-A (GB)
Title: Improvements in laminated iron cores in sound apparatus
IPC: G01S1/72
Filed: 1920-07-10
Abstract: 148,425. Signal Ges. Feb. 17, 1916, [Convention date]. Subaqueous audible signals. - Electro - magnetic apparatus for receiving or transmitting sound comprises a laminated c o r e vibrating as a solid mass, the edges of the laminµ being welded together by a layer of molten iron at places lying out of the path of the magnetic flux. As shown in Fig. 1, the stamped laminµ A have lugs B at each side held together by rivets C. Masses D of iron are welded around the lugs B and are afterwards shaped to the form shown in dotted lines. The masses D may be combined in a single mass extending beneath the laminµ, and after shaping may be soldered into a block or back-plate.
Patent GB-404048-A (GB)
Title: Improvements in safety razors
IPC: B26B21/16
Filed: 1932-07-19
Abstract: 404,048. Safety-razors. BRETTELL, W. J., St. Brelades, Park Avenue, Ewell, Surrey. July 19, 1932, Nos. 20388 and 23776. [Class 30.] In order to prevent corrosion of the edge of the blade b not in use, it is provided with an oilbath comprising opposed longitudinal grooves 19 in either or both the clamping and guardplates 42, 43, either or both of which extend beyond the said blade-edge. The grooves may be filled by pouring oil into the end of one of them, which may be open-ended for this purpose. In the form shown in Fig. 7, the handle is formed as an oil reservoir 122 from which oil may be passed to the grooves 19 through a screw-down valve 124 or by slackening off an end-screw, such as 123, having an air-vent. In a modification, Fig. 5, not shown, this reservoir does not communicate with the grooves 19 but the end-knob 123 carries a wire rod of cork-screw form by means of which drops of oil can be transported from the reservoir to the grooves. The clamping- and guard-plates 42, 43 are hinged about the idle edge 4, and clamping is effected by engagement of a captive stud 40, or nut, on the guard, with a threaded aperture, or pin, in or on the clamping- plate. The captive stud 40 or nut is retained with play on the guard by a split ring 13 sprung into a groove in the stud, which may have a quick-thread and a finger-lever. The blade can be clamped, released, and removed with one hand. The inclined handle may be integral with the stud 40 or integral with or riveted to the guard. The undersurface of the guard is transversely grooved to facilitate the passage of lather and it may, as also may the clamping- plate, be lightened by longitudinal or transverse slots or grooves in its inner face. Either the clamping- or guard-plate may have a clamping- shoulder near its operative edge or may be slightly concave whilst the other is flat, or both plates may have the usual transverse curvature. The ends of the guard have finger-recesses or bevels to facilitate separating the parts, and the slotted or apertured blade is located by the usual spaced pins. The upper surface of the clamping-plate is bevelled towards each side to form facets. The parts may be of metal or synthetic resin, in the latter case with a metal clamping-screw moulded in position.
Patent GB-431967-A (GB)
Title: Method of and means for producing phonographic records
IPC: G11B3/70
Filed: 1934-07-12
Abstract: 431,967. Recording sound; recordblanks. RICCHIARDI, P. C., 10, Rue Faraday, and DURAND, L. P., 77, Rue de Prony, both in Paris. July 12, 1934, Nos. 20457 and 20458. Convention dates, July 13, 1933 and Aug. 22, 1933. [Class 40 (ii)] Relates to gramophone record blanks of the kind provided initially with a groove, on the bottom of which the sound track is formed by lateral oscillations of the recording stylus. According to the invention, the groove C is of rectangular cross-section and receives the sound track S on the flat bottom surface, the walls of the groove being adapted to limit the lateral movements of the recording stylus 6 either by direct contact therewith, as in the arrangement shown in Fig. 4, or with a guide member for the stylus, as in the device shown in Fig. 5. In the latter arrangement, a guide member for the recording stylus 6 consists of a cylinder 7 connected to the casing 12 of the electromagnetic recording device, which has the form of a gramophone pick-up and can also be used for reproducing. The member 7 fits snugly but without undue friction in the groove C, without touching the bottom, on which the stylus traces the sound groove S. The stylus passes freely through the cylinder 7, and is secured to the armature 14 which oscillates between magnet poles having resilient abutments 8. In modifications, instead of the cylinder 7, a guide member in the form of a plate pivoted to the casing 12 engages the groove C in advance of the stylus, or a pair of such plates engage in convolutions of the groove on opposite sides of the stylus.
Patent GB-635729-A (GB)
Title: Improvements in or relating to the separation of components of an azeotropic mixture
IPC: B01D53/26
Filed: 1947-07-29
Abstract: <PICT:0635729/III/1> Separation of azeotropic mixtures is effected by passing the azeotrope vapours and a non-condensable sweep gas along opposite sides of a porous diaphragm in a diffusion zone, maintaining the temperature on the sweep gas side of the diaphragm sufficiently low to condense vapour in the vicinity of the diaphragm and that on the vapour side sufficiently high to prevent condensation, separately condensing the streams leaving each side of the diaphragm and separately distilling the condensates to separate components of the azeotrope, the azeotrope vapours passing off overhead and being recycled to the diffusion zone.  The process is applicable to the separation of azeotropes of water with ethanol, isopropanol, pyridine, pyrazine, alkylchlorhydrins and glycols. Specified sweep gases are hydrogen, carbon monoxide, air and mercury vapour.  The liquid azeotropic mixture is vaporized in furnace 20 and the vapours passed through the annular zone 24, one wall of which comprises a porous diffusion diaphragm 32.  Zone 24 may be provided with a heater 28.  Sweep gas is heated, if desired, in furnace 44 and passed through the annular sweeping zone 48, which is cooled to the desired temperature by a jacket 52.  Some of the vapours passing through the diaphragm 32 are condensed in zone 48 and the condensate flows out to a separator 56, uncondensed vapours being finally condensed in condenser 60 and separated from the gas in separator 62.  Vapours which do not diffuse through the diaphragm 32 pass out of zone 24 and are condensed in condenser 72 and separated in separator 74.  Sweep gas leaving separators 62 and 74 may be recycled to line 34. Condensate from receiver 56 is distilled in bubble-cap tower 82, the azeotrope vapours passing off overhead and being returned to the diffusion apparatus and the residual constituent being drawn off through line 102.  Condensates from separators 62, 74 are passed to bubble-cap tower 90 wherein the azeotrope is distilled off and recycled to the diffusion apparatus and the residual constituent is drawn off through line 100.  Valves 104 and 106 serve to control the pressures of the gas and vapour on opposite sides of the diaphragm.
Patent GB-238569-A (GB)
Title: Improvements in or relating to alternating-current motors
IPC: H02K17/28
Filed: 1925-08-17
Abstract: 238,569. Sousedik, J. Aug. 16, 1924, [Convention date]. Alternating-current commutator machines; alternating-current motors.-A phase-compensating device for alternating-current motors has on its stator a winding 19 short-circuited through an adjustable resistance 20 and a polyphase winding 16, 17, 18 and on its rotor a commutator winding 31 and a polyphase winding 21, 22, 23 brought out to slip-rings, the stator windings 16, 17, 18 being in series with the rotor winding 4 of the motor M under compensation and the commutator windings 31 of the compensator through a starting resistance 39, while the rotor windings 21, 22, 23 are connected to the mains R, S, T on which the main motor runs. The two rotor windings 31 and 21, 22, 23 are wound in common slots and a transformer may be inserted between the slip-rings 24 and the mains. The Specification as open to inspection under Sect. 91 (3) (a) states that the rotation of the compensating device is effected entirely by the " reaction current " of the motor to be compensated. Also that " by differently selecting the magnitude of the commutator voltage it is possible, within wide limits to regulate the frequency of the compensated current for hyper and hyposynchronism." This subject-matter does not appear in the Specification as accepted.
Patent GB-246741-A (GB)
Title: Improvements in inclinometers
IPC: G01C19/44
Filed: 1925-08-17
Abstract: 246,741. Titterington, M. M. Aug. 17, 1925. Clinometers.-An instrument particularly intended for indicating the longitudinal inclination of aircraft &c. comprises a pendulum to which is connected a gyroscope mounted for precession about an axis at an angle to the axis of the pendulum in order to compensate for the deviation of the pendulum produced by the acceleration accompanying inclined movement. The pendulum 12 is secured to a spindle 13 pivoted in the casing 25, and the upper end of the pendulum is connected by a link 26 to a frame 22 within which the gyroscope 21 rotates on a horizontal axis, the frame being pivoted about the vertical axis 23, 24 in the casing 25. A pointer 41 secured to the spindle 13 indicates the inclination of the craft. The pendulum is damped by a dash pot 31, the piston 32 being connected by a link 33 to a lever 34 secured to the spindle 13. A rod 51 secured to the spindle carries an adjust. able counterweight 52 to balance the moving parts. The gyroscope is driven by air drawn through the casing by a Venturi tube &c. 61, the inlet nozzle 57 being provided with a valve 58.
Patent GB-998113-A (GB)
Title: Improvements relating to rotary swaging and forging machines
Inventor: SMITH SAMUEL
IPC: B21J7/14
Filed: 1962-05-30
Abstract: 998,113. Swaging-machines. STEVENS & BULLIVANT Ltd. April 16, 1963 [May 30, 1962], No. 20717/62. Heading B3H. In a swaging machine of the kind described in Specification 860,519, the hammer blocks c are positively retracted by cam members e. These are pivoted at e<SP>4</SP> to the stationary head b and are engaged by the rollers a<SP>1</SP> to move the hammer blocks outwardly. Retraction springs d are also provided. The machine is used for shaping chisel ends.
Patent GB-1172168-A (GB)
Title: Package and Removable Cover therefor
Inventor: LEDZION ANDRZEJ WOJCIECH
IPC: B65D43/02
Filed: 1967-05-04
Abstract: 1,172,168. Container closures. ALUPAK A.G. 4 May, 1967 [10 May, 1966], No. 20787/67. Heading B8T. A container has a cover 3 with a pair of tear strips 8, 9, each of which extends from a tear tab 11, 12 respectively to a point on either side of a lifting tab 10 integral with the cover 3. A seal 7 which may be of a plastics or rubber is provided. The strips are defined by score lines 5. The container and cover are of metal foil as shown; but the container may be of plastics, glass or ceramic, and the cover of plastics, aluminium or tin. The container may be of frusto-conical shape, and it may be in the form of a can or bottle.
Patent GB-1336619-A (GB)
Title: Telephone switching apparatus
IPC: H04Q3/62
Filed: 1971-04-19
Abstract: 1336619 Automatic exchange equipment INTERNATIONAL STANDARD ELECTRIC CORP 19 April 1971 [12 Feb 1970] 20873/71 Heading H4K In a P.B.X., m exchange lines are connected to n operator switchboards through a relay switching network comprising a main matrix and an auxiliary matrix where a selected crosspoint relay of the auxiliary matrix passes a call signal to a selected switchboard and prepares the main matrix so that an operator circuit is closed when a speak key on the switchboard is operated. The auxiliary matrix HK has m columns connected to lines AVS1-AVSm and n.p. rows and on closure of a line contact a1- am the line is coupled to a free switchboard position P1, marked by call distributer V, through one of the auxiliary matrix cross-point relays. Operation of this relay closes contacts in the energizing circuit of the main matrix relays so that the respective cross-point is closed when the operators speak key is operated. In the circuit shown a calling condition closes contact a1 and director V marks switchboard P1 by closing contact pl1, the cross-point relay KH111 closes and is held by closure of 1kh111. Contact 2kh111 in the main matrix GK closes so that relay K11 can operate when speech key AT11 and contact b1 close. Relay K11 is held, when key AT11 is released, by current flow through diode GB11 when diode GA11 is cut off. The connection is released by operation of a central holding key. In a modification, Figs. 2a, 2b (not shown), a special switchboard (Pn) is provided to which the operator connection can be transferred by operation of a transfer key (V1).
Patent GB-191689-A (GB)
Title: Improvements in or relating to moulds for blocking straw hats
IPC: A42B1/14
Filed: 1922-07-31
Abstract: 191,689. Brochier, J. B., and Soc. Anon. des Etablissements J. B. Brochier. July 31, 1922. Blocking.-Relates to apparatus for blocking straw hats, of the type in which a mould co-operates with a brim plate, and further to means for preventing lateral movement between the brim plate and mould but allowing expansion of the mould. The brim plate a has four diametrically opposite forks b each engaging a pin e on the edge of the mould. The forks may also carry turn-buttons normally engaging under the edge of the mould.
Patent GB-606257-A (GB)
Title: Process for the manufacture of a high grade textile material with a durable crimped effect
IPC: D02G1/02
Filed: 1944-10-27
Abstract: Cellulose-bearing textile yarns are crimped by highly twisting them, wetting them with water (preferably before twisting), drying at temperatures above 250 DEG  C. (preferably between 300 DEG  and 400 DEG  C.) while in the highly-twisted condition, and back-twisting. The water may contain salts of alkyl naphthalene sulphonic acids. The yarns may be dried by hot air, by naked flames, or by passing them over heated metal plates.  They may contain cotton or regenerated cellulose fibres.  In an example, the yarns, after treatment as above, are worked, in hank form, in a solution containing formaldehyde and aluminium chloride, and then centrifuged, pre-dried at 60 DEG  to 70 DEG  C., heated at 120 DEG  C. for 15 minutes, and finally steamed for 10 minutes.  After treatment the yarns may be cut to form staple fibres.  Twisting may be carried out, using ring frames or false-twist devices; in the latter case, an endless runner may be twisted jointly with the yarn.  Specifications 424,880, 442,073, 464,981, [all in Group IX], and 21627/47, as open to inspection under Sect. 91, and French Specification 884,965 are referred to.ALSO:Cellulose-bearing textile yarns are crimped by highly twisting them, wetting them with water (preferably before twisting) drying at temperatures above 250 DEG  C. (preferably between 300 and 400 DEG  C.) while in the highly twisted condition and backtwisting.  The water may contain salts of alkyl naphthalene sulphonic acids. The yarns may be dried by hot air, by naked flames, or by passing them over heated metal plates.  They may contain cotton or regenerated cellulose fibres.  In an example, the yarns after treatment as above, are worked in hank form, in a solution containing formaldehyde and aluminium chloride, and then centrifuged, pre-dried at 60 to 70 DEG  C., heated at 120 DEG  C. for 15 minutes, and finally steamed for 10 minutes.  After treatment the yarns may be cut to form staple fibres.  Twisting may be carried out, using ring frames or false-twist devices; in the latter case an endless runner may be twisted jointly with the yarn. Specifications 424,880, 442,073, 464,981, 608,028, [all in Group IX], and French Specification 884,965 are referred to.
Patent GB-276652-A (GB)
Title: Improvements in or relating to instruments for measuring the field strength of permanent magnets
IPC: G01R33/038
Filed: 1927-08-09
Abstract: 276,652. Telefonaktiebolaget L. M., Ericsson, (Assignees of Jansson, E. J.). Aug. 28, 1926, [Convention date]. Magnetic measurements. - The field strength of permanent magnets, for example of a telephone receiver, is measured by an instrument having pole-pieces 1, 2 of magnetic material adapted to be applied to the magnet under test and acting upon a pivoted armature 6. contralled by a spring 7 and carrying a pointer 8. The pole-piece 1 is formed with an abutment 10 against which the magnet under test is positioned, and the pole-piece 2 is provided with non-magnetic projections so as to provide a small airgap between this pole-piece and the magnet to be tested. The two pole-pieces may be provided with one or more fixed or adjustable bosses or tightening means for securing the position and improving the magnetic contact. Airgaps or spacers of high magnetic, reluctance may be provided on both pole-pieces. The polepieces may be whole or divided.
Patent GB-1467031-A (GB)
Title: Working of non-ferrous metals
IPC: C10M173/02
Filed: 1974-05-13
Abstract: 1467031 Lubricants for working metals UOP Inc 13 May 1974 [14 May 1973] 21016/74 Heading C5F A lubricant is used in processes for working metals in which a non-ferrous metal is in movable contact with a second metal comprises a liquid non-hygroscopic, water-soluble polyglycol and as a friction modifier a polyethoxylated detergent, a saturated fatty acid or alkali metal salt thereof, or an amine. The polyglycol lubricant is suitably a polyethylene or polypropylene glycol of molecular weight 400 to 2000 and can contain 0.1 to 2 wt. per cent of the friction modifier. Oleic acid, potassium oleate, stearic acid and potassium naphthanate are used in Examples as the friction modifiers. The lubricants can be used for working zirconium, zirconium alloys, titanium, titanium alloys, aluminium, copper, brass, bronze or magnesium and can be used in the reduction of zirconium alloy tube using a metal mandrel.
Patent GB-320860-A (GB)
Title: A new or improved process for the manufacture of textile yarns
IPC: D02G3/04
Filed: 1928-07-20
Abstract: 320,860. Abbey Syndicate, Ltd., and Nanji, D. R. July 20, 1928. Yarns and threads.-Artificial silk or other synthetic fibre is mixed with the fibrils or ultimate filaments of natural bast fibres having an ultimate fibril length of 2¢ inches or more, e.g. belonging to the genus Boehmeria, and the blended yarn is spun. The bast fibres may be opened out by carding &c. before or after the addition of the synthetic fibre. The Provisional Specification states that real silk may be blended with bast fibres.
Patent GB-461887-A (GB)
Title: Improvements relating to internal combustion turbines
IPC: F02C3/08
Filed: 1935-07-25
Abstract: 461,887. Gas turbines; centrifugal pumps. WHITTLE, F. July 25, 1935, No. 21107. [Classes 110 (i) and 110 (iii)] In an internal-combustion turbine working on a constant pressure cycle, compression is effected by a two-stage compresser of the kind described in Specification 456,976 and made up of two first stage units 10 and 11 fitted with double inlet impellers, each supplying one intake of a second stage, double inlet centrifugal compresser 20. The units 10 and 11 are placed on either side of the unit 20 and are driven through a single shaft by the turbines 29 at each end. Compressed air from the volute 25 is taken to a helical combustion chamber 26 fitted with a fuel burner and then passes to the volute chamber 27 through turbine 29, exhausting into conduit 30. Water jackets 31 and 32 are used to cool the bearings and faces of the turbine rotor. The excess output of compresser unit 20 is delivered into another combustion chamber 35 of an independent turbine. The working fluid may pass through two or more turbines in succession or through a turbine having two oppositely rotating wheels, one delivering useful power and the other driving the compresser.