baber/WOPTO huggingface dataset:
Patent GB-273932-A (GB)
Title: Improvements in or relating to gyroscopes
IPC: G01C19/08
Filed: 1926-09-18
Abstract: 273,932. Messgerõte Boykow Ges. Sept. 18, 1926. Addition to 259,199. Alternating - current induction machines; machines with two or more armatures; rotary machines.-In apparatus as described in the parent Specification, the wound rotor of the synchronous driving-motor is replaced by one or more permanent magnets. In Fig. 1 the synchronous motor mounted in a recess in the gyroscope 2, comprises the alternating-current stator 6 and a rotor 26 consisting of a number of permanent magnets carried by the gyroscope. The asynchronous starting motor has a similar stator 9 and a closed-circuit rotor 10. The stator of the synchronous motor may alternatively be disposed so as to surround the rotor and a soft iron ring may be disposed between the two so as to short-circuit the permanent magnet. Fig. 4 shows a form in which both motors are mounted within the same recess in the gyroscope. The rotor of the synchronous motor consists of a horse-shoe magnet 30 carried by the gyroscope 2 and magnetically short-circuited by a soft iron ring 31 provided on its inner surface with recesses carrying the armature 32 of the asynchronous motor. The stator 9 is carried by a sleeve 28 extending from the casing 1. The field of the permanent magnets may be strengthened when required by passing continuous-current through. the stator while the apparatus is at rest.
Patent GB-359600-A (GB)
Title: An improved chain for electric lighting
IPC: F16G13/16
Filed: 1930-07-31
Abstract: 359,600. Incandescent electric lamps. SOESMANN, A. A., 110, Hadlaubstrasse, Zurich, and ZIMMERMAN, O. H., 24, Marienstrasse, Barmen, both in Germany. July 31, 1930, No. 23110. [Classes 39 (ii) and 75 (iii).] A chain for supporting and supplying current to electric lamps connected in parallel consists of links each of which comprises two conductors embedded in a mass of insulating material; the links are connected by snap connections so that the lamps are not necessary to serve as pivots. Of the conductors b, c embedded in the insulating material a one, c, is recessed at e, f to receive the centre contacts of the lamps. The other conductor b is furnished at one end with a screw socket d and at the other with an elastic contact plate g which is perforated to admit the lamp and engage with the recess containing the socket d. The engagements of the parts e, f, g, d serve to hold the links together and sockets may be provided for lamps in the middle of the links. T-shaped and other links may also be provided.
Patent GB-1001405-A (GB)
Title: Injection molding
IPC: B29C45/17
Filed: 1962-06-15
Abstract: 1,001,405. Injection moulding machines. BORG-WARNER CORPORATION. June 15, 1962 [June 28, 1961], No. 23223/62. Heading B5A. An injection ram 13 is provided with a spiral ridge 19 so that when the ram is pushed forwardly plastic material ahead of the ram acts on the ridge 19 to cause rotary motion of the ram 13 whereby plastic material between the ram and the injection cylinder 1 will be forced rearwardly. Thus any plastic material which seeps back between the ram and cylinder will continue its rearward travel and will not contaminate material to be injected into the mould. The ram 13 is reciprocated by a piston 11 and cylinder 6, a rotation-permitting connection 31 being provided between the ram and piston. Alternatively the ram and piston may be connected so as to rotate together (Fig. 1, not shown). A spring latch 36 may be provided to assist rotation of the ram during the injection stroke.
Patent GB-1483436-A (GB)
Title: Riveting system and nail and rivet assembly therefor
IPC: F16B15/00
Filed: 1975-05-28
Abstract: 1483436 Riveting; making endless belts FLEXIBLE STEEL LACING CO 28 May 1975 [10 June 1974] 23318/75 Headings B3U and B3A A belt fastener 12 is attached to the end of a conveyer belt 15 by inserting rivet and nail assemblies 30, 29 through aligned holes in the fastener and forming heads on the lower ends of the rivets by driving the rivet against a supporting anvil 43. Each assembly is passed through the belt until the lower end 57 of the rivet contacts an annular abutment surface 48 provided on the apertured work supporting anvil 43, the end then being turned over to form a riveted connection. The nail may have a curved-head to assist in deforming the rivet, or may have a cylindrical shank. The abutment surface may be formed on a button 70 or may be formed integrally on the anvil Fig. 11. Each nail is initially held by adhesive to its associated rivet, the bond being broken during riveting. The fastener 12 may be of U-shape to form a hinged connection with a similar fastener on a further belt end, or may be of plate form (Figs. 12, 13, not shown) for directly connecting two ends. The rivet may be of steel, stainless steel or monel (Registered Trade Mark).
Patent GB-1322678-A (GB)
Title: Apparatus for the automatic opening of preservedfood cans
IPC: B67B7/00
Filed: 1972-05-18
Abstract: 1322678 Electric motor-powered can openers SOC FRANCAISE D'EQUIPEMENT MENAGER 18 May 1972 [27 May 1971] 23468/72 Heading B8D In an electric-motor-driven can opener, wherein a car-drive wheel 38 at one end of a shaft 37 is movable along an arcuate path from an inoperative position away from a cutting blade to an operative can-cutting position adjacent the blade by means of an operating lever 47 pivoted about a fixed pin 45, the other end of the shaft is connected by a ball joint 51 and 52 to the rear one of two box sections 1 and 2 forming a casing, and a pinion 50 fixed to the the shaft meshes with the pinion 55 of a motordriven gear train with play to accommodate the shaft movement. The pinions of the gear train are of plastics material, and pinions 55 and 58 are carried by shafts 61 and 62, which are supported by opposed casing bearing bosses 64 and 65. The motor shaft 71 is suspended by T-pieces 68 and 69 from the shaft 62. The cutter blade is attached to a metal support plate 9 fixed to the front casing section by means of a holder plate 20, Figs. 14-17 (not shown), which has a lug 24 at one end pivotally-located in a slot 18 of the support plate and which is resiliently held against the face of support plate at its other end by a shouldered piece 34 and a spring 31. The arrangement permits the holder plate and the blade to move away from the support plate when the thickened seam of the can is encountered. The drive wheel projects through an arcuate slot 36 in the support plate and is urged against the support plate by a spring 48 interposed between the operating lever and a clip 46 fixed to the shaft. The operating lever carries a knob 79 having a cranked arm 87, Fig. 9 (not shown), which closes a pair of motorenergizing contacts 98 when the lever is pivoted downwardly against the bias of a return spring 100 to move the drive wheel towards the cutter blade. A magnet 104 for retaining the cut-can end is mounted on an arm 105, which is retained on the support plate by die-stamped recessed and strip portions 16 and 19 formed in the plate.
Patent GB-533583-A (GB)
Title: Improvements relating to ambulance stretchers
IPC: A61G1/052
Filed: 1939-08-15
Abstract: 533,583. Ambulance stretchers. TUBE PRODUCTS, Ltd., and MARTIN, F. W. Aug. 15, 1939, No. 23510. [Class 108 (i)] In order that the canvas or like portion may be easily removed from an ambulance stretcher frame, the side members of the frame are formed as a pair of tubes a of different diameters arranged one within the other and having a common longitudinal channel e. The edges of the canvas portion f are formed with hems g and are secured within the members a by rods h. Tubular rubber handles are passed over the ends of the members a and have longitudinal internal keys for engaging with the ends of the noses h.
Patent GB-212873-A (GB)
IPC: G07B13/00
Filed: 1923-09-20
Abstract: 212,873. Soc. Parisienne de MÚcanique GÚnÚrale. March 14, 1923, [Convention date]. Taximeters; setting-spindle mechanism. - In arrangements wherein the setting-spindle 114 is turned, in one direction only, to the various tariff positions and finally to " free," means are provided for preventing a rapid movement of the spindle through the free position thus ensuring sufficient time for the complete return of the mechanism to zero. Fig. 4 shows the parts in the normal position, a pawl b pivoted at c being clear of a nose a of a cum 131 fixed to the setting- spindle 114. When the spindle is moved to a tariff position a cam f<1> bears against the tail g of a spring-controlled sector h pivoted at 63<1> and gearing with a pinion k connected with a cam m. The parts now occupy the position shown in Fig. 1, the nose n of the cam m having released the pawl b to allow its end e to take up an operative position ready to obstruct the nose a. When the setting-spindle is finally returned to normal position the pawl b engaging the nose a temporarily prevents rotation of the spindle beyond this position. The cam f<1> meanwhile has freed the sector h but the immediate restoration of this sector and of the cam m is prevented by an escapement p, q which retards the return of these parts and consequently the movement of pawl b to ineffective position so that sufficient time must elapse for the counters to be completely zeroized. Specification 196,283 is referred to.
Patent GB-945566-A (GB)
Title: Improved thermistor bolometers
IPC: G01J5/20
Filed: 1961-06-29
Abstract: 945,566. Thermistors. H. G. C. FAIRWEATHER. (Barine Engineering Co.). June 29, 1961, No. 23553/61. Heading H1K. A thermistor bolometer comprises a thermally and electrically insulating layer 3, a thin layer 2 of germanium or silicon provided with electrodes to form a thermistor, and a selectively-absorbing coating 4, e.g. of quartz, glass or an organic polymer mounted on a heat sink which in the immersed bolometer shown is a hemispherical infra-red lens 1 made of sapphire, germanium or silicon. A mirror coating 5 may be provided behind the absorbing coating. Infra-red radiation in the wavelength range 1.8-25Á incident on the lens is focused and transmitted through the thermistor film to the absorbent coating. If this is of glass or quartz radiation of 8-10Á wavelength is absorbed in passing through it before and after reflection. When the layer is of organic polymer there is strong absorption of radiation of 2.5Á wavelength. In an alternative arrangement responsive to all radiation passed by the lens, the absorbing coating is a layer of gold or platimum black on the germanium or silicon layer. Specification 889,398 and U.S.A. Specification 2,994,053 are referred to.
Patent GB-493972-A (GB)
Title: Improvements in and relating to hand saws
IPC: B23D49/12
Filed: 1937-08-28
Abstract: 493,972. Saws. SPEAR & JACKSON, Ltd., and PARSONS, G. W. Aug. 28, 1937, No. 23625. [Class 61 (ii)] A metal &c. strip c is secured within the angle of the frame a of a bow saw at the grip part to protect the user's knuckles, the strip being fixed by welding &c. at both ends or at one end d and slotted at the other end e to engage the frame. A rubber hand grip j may be provided on the frame.
Patent GB-533712-A (GB)
Title: Improvements in or relating to hot water bottles
IPC: H05B3/80
Filed: 1939-08-16
Abstract: 533,712. Electric hot - water bottles. HAWKINS, L. G. Aug. 16. 1939. No. 23645. [Class 39 (iii)] An electric immersion heater for a hot water bottle, particularly a rubber bottle, comprises a screw plug 11 for insertion into its neck, a rigid rod-like heating element 10 secured to the plug and extending into the bottle, and a grip member 12 on the plug extending outwardly to hold flexible supply cables 13 and having its outer surface insulated by rubber. The current supply is sufficient only to maintain the initial temperature of the water. The heating element comprises an insulating tube 14 carrying a heating winding 15 surrounded by an insulating tube 16 and a metal tube 17. The bottle has a rubber filling cap around the neck.
Patent GB-1387441-A (GB)
Title: Electrical device
IPC: H01B3/48
Filed: 1972-05-19
Abstract: 1387441 Cellulose silyl ethers ALLMANNA SVENSKA ELEKTRISKA AB 19 May 1972 [21 May 1971] 23669/72 Heading C3A [Also in Division H1] An electrically insulating material comprises a cellulose silyl ether, the silyl groups being substituted by hydrocarbon radicals, such as alkyl, aryl and aralkyl groups. Preferred silyl groups are trisubstituted ones, in particular trimethyl silyl. The compounds are prepared by reacting for example trimethyl chlorosilane with dry cellulose in pyridine. The preferred degree of substitution is an average of 1À0 to 2À5 silyl groups per anhydroglucose residue.
Patent GB-466393-A (GB)
Title: Improvements in sheet metal vehicle wheels and in their manufacture
IPC: B60B3/02
Filed: 1936-09-01
Abstract: 466,393. Making vehicle &c. wheels. DOVESTON, F. Sept. 1, 1936, No. 23882. [Classes 83 (ii) and 83 (iv)] Stamping.-In a method of making a vehicle or like wheel in which a sheet metal disc is subjected to a drawing operation to form a cylindrical rim or wall and this wall is subjected to a reverse drawing operation to bring the web portion into a plane situated between the ends of the rim, the rim is shaped by means of a divided concentric'die, arranged around the rim, and inner press tools which operate on the inside of the rim. A sheet metal disc is first cupped and the base 8, Fig. 4, subsequently pressed up to lie intermediate the top and bottom edges to form the central web of the wheel. A further pressing operation using a divided die is then used to rough-shape the wheel, the press tools being similar to those for the final shaping operation, Fig. 6, in which a divided die 15 for the rim, a supporting die 17, and a punch 18 are used to completely form the wheel, Fig. 2, with a rim A and web B.
Patent GB-204706-A (GB)
Title: Improvements in the joining of concentric electric conductors
IPC: H01R9/05
Filed: 1923-09-25
Abstract: 204,706. Tyszkiewicz, E. Sept. 26, 1922, [Convention date]. Couplings. - Cables having the concentric conducting layers 3, 5 electrolytically deposited on the insulation 2, 4 are joined by exposing each conducting layer longitudinally in opposite directions from the ends of each cable and fitting the two cables together so that the exposed portions of corresponding conducting surfaces contact.
Patent GB-1286939-A (GB)
Title: Production of methylene chloride
IPC: C07C17/10
Filed: 1971-04-19
Abstract: 1286939 Methylene chloride SOLVAY & CIE 19 April 1971 [12 March 1970] 23903/71 Heading C2C Methylene chloride is prepared by the chlorination of methane at 200-500‹ C. in which the molar ratio of chlorine to methane is 0À4, the chlorination products are condensed, hydrogen chloride is absorbed from the uncondensed gas by washing with a liquid mixture of chlorinated methane obtained wholly or in part in the chlorination step, recycling the washed gas to the chlorination step, separating the wash liquid into hydrogen chloride and chlorinated methane, and treating at least part of the resulting liquid to separate methylene chloride from methyl chloride, chloroform and carbon tetrachloride. The wash liquid may consist of all four chlorinated methanes, or may have been first treated to remove methyl chloride or methyl chloride and methylene chloride. Methyl chloride may be concurrently chlorinated, and the product therefrom combined with the methane chlorination product before washing. Methyl chloride separated from the wash liquid may then be recycled to the methyl chloride chlorination zone.
Patent GB-1370257-A (GB)
Title: Superconductive material and method of manufacture
IPC: H01L39/12
Filed: 1972-05-22
Abstract: 1370257 Producing ductile super-conductors UNITED STATES ATOMIC ENERGY COMMISSION 22 May 1972 [8 June 1971] 23930/72 Headings H1A A5 and A4D A sintered porous Nb or V strip is infiltrated with at least one of Sn, Al, Ge, Sb, or Ga by passing the strip through the melt, reduced in thickness up to 75% and then heated to form inter-connected filaments of the super-conductor phase. Preferably - 100 + 400 U-S mesh Nb powder is rolled into green strip at 12, sintered in vacuum or inert gas at 1950-2250C at 14, hot dipped in Sm at 500-1000C at 15, rolled to 75%thickness reduction at 19 and diffusion heated to 925-1075C at 20 to produce Nb 3 Sn filaments. The superconductor has a critical field > 100 K gauss.
Patent GB-731289-A (GB)
Title: Improvements in means for removing sludge from sedimentation tanks
IPC: B01D21/00
Filed: 1952-09-25
Abstract: 731,289. Gravity separation apparatus. BROWN, C. R. B. Sept. 23, 1953 [Sept. 25, 1952], No. 24070/52. Class 111. A normally closed sludge discharge valve A, Fig. 1, of the flap or drop type in the outlet B of a sedimentation tank M is automatically and intermittently opened and thereafter closed by a pneumatic device, e.g. a diaphragm D linked thereto and housed in a casing E; the supply of pneumatic fluid being controlled by a portion of the liquid flowing from the tank to a percolating filter N. The casing E is connected by a pipe F to a bell G, Fig. 2, within a cistern H having an automatic discharge syphon J whereby the resulting vacuum in the bell G is transmitted to the diaphram D to lift open the valve A, closing of which valve being effected by inrush of air when the water level sinks to the bottom of the bell. A non- return valve K allows release of air from the bell as the water level rises and the cistern H is continuously filled by water from a tray embedded in the percolating filter N to which supernatent water from the tank M passes. In a modification the cistern is of the automatic tipping type.
Patent GB-1585039-A (GB)
Title: Lock for a vehicle door
IPC: E05F15/56
Filed: 1978-05-30
Abstract: The door wings of a vehicle door having a locking device are pivoted by means of a rotary column (4), the torque of which is generated by a piston/cylinder drive (7). Arranged in the pushing region of the piston/cylinder drive (7) is a pivotable locking element in the form of a pivoting arm (13) which is controlled by a pneumatic auxiliary drive (16). The piston (8a) of the piston/cylinder drive (7) is provided with a locking rod (11), in the pushing region of which the straight pivoting arm (13) is provided. The pivoting arm (13) is approximately parallel to the locking rod (11). The locking rod (11) is provided with an adjustable stop (14), and an actuating rod (15) of the pneumatic auxiliary drive (16) for the pivoting arm (13) is approximately perpendicular to the locking rod (11). This design ensures that, if the compressed air fails, the door wings remain locked. However, the pivoting arm (13) can easily be released by hand by pulling on the pull cord (19). <IMAGE>
Patent GB-693046-A (GB)
Title: Improvements in continuously regulable friction wheel change speed gears
IPC: F16H15/14
Filed: 1950-10-03
Abstract: 693,046. Expanding-wheel gear. PATENTVERWEIITUNG W. REIMERS GES. Oct. 3, 1950 [Oct. 29, 1949; June 5, 1950], No. 24125/50. Class 80 (ii). In a continuously-variable change-speed gear comprising friction discs mounted between fixed abutments on each of a pair of parallel shafts, the discs on one shaft being adapted to be pressed axially against those on the other shaft, and the discs on one of the shafts being incapable of axial displacement, the discs on one of the shafts are in the form of conical plate springs. In the epicyclic gear shown in Fig. 4, planet wheels are formed by sets of discs 4 mounted on respective shafts 15. Each disc 4 is frictionally engageable with a respective pair of spring discs 12 mounted with the remaining discs 12 between fixed abutments on the drive shaft 9. Each disc 4 is also in frictional engagement with a respective pair of spring discs 13 mounted with the interposition of loading springs 21, between fixed abutments 33 within a fixed cylindrical casing 26. Each shaft 15 is carried by a crank 16 pivotally mounted in an arm 22 rigid with the driven shaft 14. A toothed sector 19 rigid with each crank 16, is in engagement with a gear 23 rigid with a sleeve 23a. The sleeve 23a has a quick-pitch threadedengagement with a sleeve 24 which is slidable on, but rotatable with, the driven shaft 14. Thus axial movement of the sleeve 24 effects rotation of cranks 16 and changes the gear ratio. The member 26 may alternatively be rigid with the driven shaft 14, Figs. 2, 3 (not shown). The cranks 16 are then mounted on a part of the fixed gear casing and carry respective pinions which are rotatable by the action of a, gear wheel mounted concentrically relative to the drive shaft 9. In this case, the springs 21 may be omitted. In the construction shown in Fig. 5, a pinion formed by discs 27 on a driving shaft 28, is in engagement with spring discs 13 carried by the driven shaft 14. The gear ratio is varied by altering the eccentricity of the shaft 28 relative to the shaft 14 by rotation of a wheel 30. A universal joint 31 permits this movement. In a further construction, Fig. 1 (not shown), for coupling two shafts disposed parallel with each other, a series of individual discs of the same profile as the discs 4, 27 of Figs. 4, 5 is threaded on one of the shafts and held between fixed abutments. A series of pairs of dished spring discs is disposed on the other shaft. Each pair is spaced from each adjoining pair by a distance piece and the series is clamped between fixed abutments. The discs of each pair are arranged on the shaft with their apices in abutment so that their peripheries diverge and resiliently engage between a respective pair of discs on the other shaft. The distance between the shafts is varied (by means not described) to alter the gear ratio.
Patent GB-332768-A (GB)
Title: Improvements in cosmetic pencil containers
IPC: A45D40/02
Filed: 1929-08-08
Abstract: 332,768. Kasdan, N., and Landwehr, R. F. Aug. 8, 1929. Contents, delivering; speciallyshaped boxes.-A container for a cosmetic pencil 37 comprises a pencil socket 25 mounted on a flexible strip 24 so as to be slidable within a casing 12, when a drum 21 around which the strip 24 is coiled is rotated by the movement of two parallel arms 26 which carry a closing cap 30 and are pivoted at 35. The arrangement is such that when the cap is removed the pencil is extruded, and when the cap is replaced the pencil is retracted.
Patent GB-1013002-A (GB)
Title: A control for crimping tools
IPC: H01R43/042
Filed: 1964-06-11
Abstract: 1,013,002. Jointing by stamping. ANDERSON ELECTRIC CORPORATION. June 11, 1964 [Sept. 26, 1963], No. 24369/64. Heading B3Q.  A control C for a crimping tool T operated by fluid pressure comprises a supply passage 39 for the tool and including a check valve 51 opened by the supply-pressure, and a passage 59 by-passing the valve 51 and controlled by a valve 65 which opens when the pressure in the tool T exceeds a predetermined value. The effect of valve 65 is such that a predetermined holding pressure of the dies 3, 5 on the work may be maintained after release of the pressure applied to the passage 39 by a pump P. Opening of the valve 65 by a toggle 75 permits air trapped in the tool to escape through a passage 63 into the supply line and allows the dies to open. On the control C a switch 21 operated by a lever 31 controls an electromotor M connected to the pump P. A relief valve V in the supply line 7 between the control C and the pump P opens when a predetermined crimping pressure has been reached, thus diverting the supply back to a reservoir R. In a modification. Fig. 3 and Fig. 4 (not shown), the pump is driven by a pneumatic motor AM to which air is supplied from a source 81 by a valve 83 which is controlled by a pilot valve in the control C. A side lever 113 controls the pilot valve. An extension may be inserted between the control C and the tool.