baber/WOPTO huggingface dataset:
Patent GB-831719-A (GB)
Title: Improvements in or relating to electric battery contact devices
IPC: F21V17/00
Filed: 1958-09-22
Abstract: 831,719. Batteries. ELECTRIC STORAGE BATTERY CO. Sept. 22, 1958 [Oct. 8, 1957], No. 30210/58. Class 53. A dry cell having terminals at the opposite ends of the cell is provided with a container having positive and negative external terminals, and internal contacts for engaging the cell terminals so arranged that whichever way the cell is inserted in the container the polarities of the external terminals remain unchanged. Fig. 1 shows the container 10 which is closed at the top by a cap 16 through which pass rivets 56, 58 forming the positive and negative terminals respectively and to which the conductors 601, 66<SP>1</SP> are connected. A spring 32 is connected to the rivet 56 and at its other end to the shank 42, Figs. 4 and 5, of a member 40 which forms the contact for the centre terminal of the cell when this is placed in the container with the centre terminal uppermost, as shown at C in Fig. 1. As shown in the exploded view, Fig. 5, the lower end 48 of the spring 32 passes through holes in insulating washers 46, 44 and a rectangular metal plate 28, and after being passed over the shank 42 the latter is bent over to secure the spring and the members 46, 44, 28, 40 together as shown in Fig. 4. The hole in the plate 28 is sufficiently large to prevent contact between the spring and plate, the corners 30 of which are bent downwardly. The plate is joined by a conductor 70<SP>1</SP> to the rivet 58. When the cell is in the position shown in Fig. 1, in which the terminal C of the cell is engaged by the member 40, Figs. 4 and 5, and is therefore connected through the spring 32 with the rivet 56, the corners 30 of the plate 28 do not touch the member 40 or any part of the cell, and the conductor 70<SP>1</SP> is idle. The negative rivet 58 is connected by a conductor 68<SP>1</SP> to a rivet 82 at the lower end of the container. The bottom screwed closure member 20 carries a spring contact 106 which engages the rivet 82, and has upstanding tongues 100 which make contact with the bottom of the cell so that the rivet 58 constitutes the negative terminal of the cell. When the cell is placed in the reversed position in the container, the corners 30 of the plate 28 engage the bottom of the cell. As the plate is connected through the conductor 701 to the rivet 58 this remains the negative terminal of the cell. The centre contact of the cell is now at the lower end and engages the centre portion of a spring contact 96 which makes contact with a rivet 80 joined by a conductor 62<SP>1</SP> to the rivet 56 which thus keeps its positive polarity.
Patent GB-1043687-A (GB)
Title: Improvements in or relating to mining coal in steep measures
IPC: E21F15/00
Filed: 1965-07-16
Abstract: 1,043,687. Mineral-mining methods. HARPENER BERGBAU-A.G. July 16, 1965 [Oct. 23, 1964], No. 30217/65. Heading E1F. Mining of a steep measure of mineral involves driving at intervals between a bottom road and a top road of the measure rise headings, each of which is converted, before mining occurs of mineral in the panels defined by the headings, into a load-carrying concrete pillar by being filled with a concrete mix after a tube has been laid through the heading; the tube permitting passage of the haulage means between the top and bottom roads of the mining machine used for mining out a panel.
Patent GB-1171453-A (GB)
Title: Process for Production of Modified Poly-(Methylene Sulphide)
IPC: C08G75/10
Filed: 1966-11-07
Abstract: 1,171,453. After-treatment of polythiomethylenes. STAUFFER CHEMICAL CO. 7 Nov., 1966 [15 Nov., 1965], No. 30386/69. Divided out of 1,171,452. Heading C3P. Mercapto-terminated polythiomethylene is reacted with an acyl halide, anhydride or a hydrocarbyl halide with elimination of hydrogen halide or organic acid. Termination results from reaction with monofunctional reagents, while coupling to increase molecular weight occurs with difunctional reagents, the use of phthalyl chloride being mentioned. In the examples polythiomethylenes are stabilized by reaction with acetic anhydride in the presence of sodium acetate or benzoyl chloride, chlorobenzene, or p-dibromobenzene in dimethylacetamide and in the presence of pyridine or potassium hydroxide (presumably as hydrogen halide absorbers).
Patent GB-1517802-A (GB)
Title: Operating lever assembly
IPC: B62K23/06
Filed: 1975-07-21
Abstract: 1517802 Control lever assembly SHIMANO INDUSTRIAL CO Ltd 21 July 1975 [31 July 1974] 30415/75 Heading B7E A control lever assembly for a bicycle gear change mechanism comprises a band 1 adapted to be clamped around a bicycle frame member A, an integral spigot projecting radially outwardly from the band and having an inner portion 11 of non-circular, e.g. square, cross section and an outer portion 12 of circular cross section, a base plate 3 having a non-circular aperture corresponding to the cross section of the spigot portion 11 and by means of whidh the plate is non- rotatably mounted on the portion 11, a lever 4 provided with means for retaining an operating wire of the gear change mechanism and having a circular aperture by means of which it is rotatably mounted on the spigot portion 12, and a bolt 6 screw-threadedly engaged with an internal screw-thread of the spigot portion 12 to urge the lever 4 towards the base plate 3 thereby applying resistance to rotation of the lever about the spigot. In the illustrated embodiment the base plate 3 is provided with stops 31, 32 for limiting rotation of the lever 4 and has an upstanding portion 33 provided with an aperture through which the operating wire can pass to be received in a groove 4a in the lever 4. Washers 7, 8 of diureide synthetic resin are provided on respective sides of the lever 4 and a cover member 5 is interposed between the head of the bolt 6 and the washer 8. The cover member is provided with a hollow cylindrical portion 51 for retaining a sheath surrounding the operating wire and has an aperture receiving a lug 34 at the free end of the portion 33 of the plate 3 so that the cover member is also non-rotatable. The band 1 is clamped in use to the frame member A by means of a bolt 2 extending through apertures in lugs bent out from the ends of the band, and may, as shown, be provided with two spigots each mounting a lever 4 and associated components.
Patent GB-685060-A (GB)
Title: Improvements in pneumatically-operated road-spraying apparatus
IPC: E01C19/17
Filed: 1949-11-28
Abstract: 685,060. Road spraying apparatus. BRISTOWES MACHINERY, Ltd., RHODES, C. DE L'H., LITTLE, J. E., and KURTZ, F. W. Nov. 27, 1950 [Nov. 28, 1949], No. 30427/49. Class 107 A road surface material spraying machine having a pressurized tank 13 has means for obtaining a continuous circulation of the material in the spraybar 11. The material is fed by air pressure from a compressor 18 to one end of spraybar 11 incorporating nozzles 14 as disclosed in Specification 669,681, [Group XXIX], and the other end of the bar has a return pipe 12b equipped with a circulating pump 19 operated by the air pressure. The nozzles and pump are interconnected by linkwork 16, 17, 22 and valve 21 so that the pump increases speed when the nozzles are shut.
Patent GB-750781-A (GB)
Title: Retaining clip for control rods or levers
IPC: F16B2/24
Filed: 1954-10-22
Abstract: 750,781. Spring-clip fastenings; hinges. GENERAL MOTORS CORPORATION. Oct. 22,1954 [Nov. 12, 1953], No. 30470/54. Classes 44 and 65 (2). A spring clip for retaining a member 1 on a pivot pin 3 carried by a member 5, comprises a length of resilient wire having an eyelet 9 at one end, and two spaced formations 13, 11 which engage opposite sides of the member 5, thereby applying a leverage to the eyelet 9. Before the clip is stressed into engagement with the member 5 it has the shape shown in dot and dash lines.
Patent GB-248329-A (GB)
Title: Improvements relating to the binding of edges of sheet material
IPC: A43D43/06
Filed: 1925-12-02
Abstract: 248,329. Preble, G. L., and Eaton, H. M., (Assignees of Byron, J. P., and Evans, H. A.). March 2, 1925, [Convention date]. Coating materials in long lengths.-In an apparatus for applying cement to part of a strip, the strip, prior to passing over a driven roller 24 dipping into the cement, passes through a folder 28, which turns back one edge. After being coated, the strip passes under an opening roller, after which it is dried and rolled into a reel 30.
Patent GB-470732-A (GB)
Title: Improvements in and relating to liquid fuel burners
IPC: F23C99/00
Filed: 1936-11-09
Abstract: 470,732. Valves. SEABROOK, H. (Maschinen-Und Apparatebau Ges.) Nov. 9, 1936, No. 30564. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 10, 1937.] [Class 135] [Also in Group XI] The needle-valve k of a vapour burner is fitted with a transverse pin k<1> engaging inclined slots n in a sleeve m secured to a fixed wall p as shown in Fig. 5. When the needle is to be adjusted a button u is pushed inwards against the resistance of a spring until its notched edge u<1> engages a pin w on the valve and is then turned. Alternatively the valve may be adjusted by turning a screw s having a coned shank engaging an arm r projecting from the pin k<1>. In a modification, the needle-valve carries two pins engaging opposite V-shaped pieces on a fixed member. The Specification as open to inspection under Sect. 91 states that the needle valve and its housing are made of materials having different heat expansion coefficients, so that when the burner cools the valve becomes jammed, until it has been again heated by burning fuel in the starting pan. This subjectmatter does not appear in the Specification as accepted.
Patent GB-878694-A (GB)
Title: Steroids of the pregnane series
Inventor: PATELLI BRUNO CAMERINO BIANCA
IPC: C07J71/00
Filed: 1958-03-21
Abstract: The invention comprises 16a ,17a -epoxy-D 5-pregnene-1b ,3b -diol-20-one 1,3-diacetate, 16a , 17a -epoxy-D 5-pregnene-1b ,3b ,21- triol-20-one 1,21-diacetate and 16a ,17a -epoxy-D 5-pregnene-1b ,21-diol-3,20-dione 1,21-diacetate, and the preparation of the first compound by epoxidising D 5,16-pregnadiene-1b ,3b -diol-20-one to form 16a ,17a -epoxy-D 5-pregnene-1b ,3b -diol-20-one and diacetylating this compound, and the preparation of the second compound by further treating the 1,3-diacetate prepared as above with bromine and hydrobromic acid to form 5,6b ,16b ,21-tetrabromo-pregnane-1b , 3b ,17a -triol-20-one 1,3-diacetate, selectively hydrolysing the 1,3-diacetate at position 3 to form 5,6b ,16b ,21-tetrabromo-pregnane-1b , 3b ,17a -triol-20-one 1-acetate and reacting the 1-acetate with sodium iodide and potassium acetate, and the preparation of the third compound by further treating the second compound prepared as above with an oxidising agent.
Patent GB-1293053-A (GB)
Title: Method and apparatus for maintaining the composition of a nitriding atmosphere
Inventor: PODGURSKI HARRY HOWARD
IPC: C23C8/26
Filed: 1970-06-24
Abstract: 1293053 Gas nitriding steel USS ENG & CONSULTANTS Inc 24 June 1970 [25 June 1969] 30755/70 Heading C7U A mixture of ammonia and hydrogen is recirculated over the steel surface at 475-580‹ C. and atmospheric pressure, ACN and other nitriding inhibitors being removed during recirculation and the partial pressure of water vapour being adjusted to a value between 1 Torr and that which will oxidize the surface. The wet gas is then purged from the work during cooling. The gas may be purified by contact with an aqueous alkaline solution, which may be maintained at an appropriate temperature to maintain the desired partial pressure of water vapour, suitably 1 to 20 torr, in the gas. As illustrated, gas leaving reactor 10 is cooled in heat exchanger 40 and then passes through thermostatically controlled scrubber 44, preferably containing ammonium hydroxide. Fresh gas is introduced through line 34, and pressure maintained constant by bleed valve 51.
Patent GB-1059964-A (GB)
Title: Improvements in or relating to the drying of material in web form, such as wet paper
IPC: D21F5/00
Filed: 1962-08-10
Abstract: 1,059,964. Drying webs. G. G. HASELDEN. Aug. 9, 1963 [Aug. 10, 1962], No. 30773/62. Heading F4G. The vapour released from a web of material 11, e.g. of paper, by passage about heated rolls 12, 13, 14 is condensed by contact with the faces of plates 15, 16 which are close to, but out of contact with, the web and which are cooled by water tubes 18 secured thereto. Condensed moisture is collected in gutters 19 and secondary drain gulleys 20 are formed at the backs of the plates to collect condensate therefrom. In a modification, apertures are formed above the cooling tubes by slitting and deforming portions of the plate to allow the condensate therethrough, to which apertures suction may be applied, or the cold surface of the plates may be roughened to promote turbulence in the adjacent air film. The plates may be arcuate in form.
Patent GB-226817-A (GB)
Title: Improvements in or relating to endless track vehicles
IPC: B62D55/24
Filed: 1924-12-22
Abstract: 226,817. Kegresse, A. Dec. 22, L923, [Convention date]. Endless-track vehicles.-Metal fabrics C, C<1> are incorporated in the tread parts A and heel parts B of the belt. Ordinary fabrics D may be also used. Specification 164,321 is referred to.
Patent GB-167707-A (GB)
Title: Improvements in vaporizers for internal combustion engines
IPC: F02M31/18
Filed: 1920-11-01
Abstract: 167,707. Smith, G. A. Nov. 1, 1920. Vaporizers, external.-Gasoline supplied by gravity through a needle valve 6 is vaporized in a coil of pipe 5<a> in the exhaust pipe 3 the vapour being admitted past a needle valve 8 to the induction pipe 2 through a valve 10 which is linked to the throttle valve 9. At starting the gasoline is heated by an electric coil 15.
Patent GB-149173-A (GB)
Title: Detachable buttons applicable to garter connections or suspenders or the like
IPC: A41F11/04
Filed: 1919-12-10
Abstract: 149,173. Pollard, J. Dec. 10, 1919. Stocking-suspender grips.-A suspender but: ton, which is easily detachable from its base-plate so as to facilitate renewal of the button when worn, without renewing the other parts of the fastener, consists of an internally screwed sleeve- 1, Fig. 1, covered with rubber 2 and adapted to be screwed on to a screw-stud 3 riveted at 6 to the plate 5. A modification, shown in Fig. 2, consists of a stud 11 covered with rubber 13 and provided with a spring-head 14 adapted to be sprung into an aperture in the plate 15.
Patent GB-520059-A (GB)
Title: Improvements in air raid and like warning devices
IPC: H01H35/34
Filed: 1938-10-26
Abstract: 520,059. Signalling by audible signals; actuating electric switches. McEWEN, D., and GREEN, D. K. Oct 26, 1938, No. 30929. [Class 118 (ii)] [Also in Group XXXVII] A device for giving warning of an air raid to people in their homes comprises electric contacts and a diaphragm or its equivalent suitably loaded and connected to a gas pipe, the diaphragm closing the contacts when the pressure in the gas main is boosted or increased temporarily. The diaphragm a is open to the atmosphere on its upper side and is loaded by a weight b. The contacts, one of which consists of a spring-loaded plunger e, are connected to a battery g and a bell f, a buzzer, or a relay. An increase in the gas pressure lifts the weight b and allows the plunger e to engage the second contact d and operate the bell or, other warning device.
Patent GB-857753-A (GB)
Title: Process for preparing ªÏ-amino-alkane carbonitriles
IPC: C07C255/24
Filed: 1959-09-10
Abstract: o -Aminocarbonitriles are obtained by passing lactams in the vapour phase, mixed with an excess of ammonia gas, over a dehydration catalyst at elevated temperature, said vapour-gas mixture passing over said catalyst either containing no oxygen or less than 1 p.p.m. by volume thereof.  The low oxygen content increases the life and selectivity of the catalyst.  Suitable catalysts are aluminium oxide, kaolin or thorium oxides.  Working temperatures are preferably not in excess of 330 DEG C.  Low oxygen content is achieved (1) by melting the lactam starting material under nitrogen which has been freed from oxygen by passage over copper at 300 DEG C.; (2) by separating non-converted ammonia gas from the liquid reaction product at pressures higher than 1 atm, before recycling it to the process; and (3) by placing an oxygen-absorbing substance in the vapour-gas stream in advance of the catalyst.  Specified starting materials are caprolactam and caprylolactam.  Specifications 707,323 and 828,850 are referred to.
Patent GB-1065239-A (GB)
Title: Roller with low bending for calenders, rolling mills or the like
IPC: F16C13/00
Filed: 1965-07-21
Abstract: 1,065,239. Rollers. KLEINEWEFERS G.m.b.H. July 21, 1965 [Aug. 12, 1964] No. 30965/65. Heading F2U.  A roller for a calender or rolling mill comprises a chill cast shell 1 supported on bearings 3 carried by conical stub shafts 5 which have their greatest cross-section adjacent fixed supports 6. To reduce bending the bearings are positioned between a third and a quarter of the length of the roller from each end. The bearings 3 are lubricated and cooled by oil supplied through a duct 9 and the cooling causes a thermally induced contraction of the roller at the bearings 3 which reduces bending of the roller. Glass wool in a cavity 14 prevents cooling of the end of the roller.
Patent GB-973190-A (GB)
Title: Improvements relating to dental instruments
IPC: F16C19/55
Filed: 1962-08-13
Abstract: 973,190. Bearings. R. GALLAY. Aug. 13, 1962 [Aug. 17, 1961], No. 31043/62. Heading F2A. [Also in Division A5] In a dental instrument having a motor comprising a shaft having a bore in which a drill is rigidly securable, the shaft is supported by at least one combination made up of a pair of concentric bearings and there is drill-engaging- and-retaining means in the bore. In the form shown there are two pairs of ball bearings 3, 4 and 5, 6 fitted in a sleeve 7, the outer race of the inner bearing 4 or 6 rotating the inner race of the outer bearing 3 or 5. The two bearings 3, 4 or 5, 6 have a common intermediate bearing as shown. The drill 11 is screwed into the shaft 2 for engagement therewith. The arrangement of bearings 3, 4 and 5, 6 is fixed by means of a plug 8 in a sleeve 7 fixed removably by a bayonet-locking device 13, 14 in the exterior body 12 of a dental-instrument-carrier head. The body 12 may be shaped so as to be optionally receivable in different handles. The motor may be operated pneumatically or electrically.
Patent GB-921018-A (GB)
Title: Improvements in or relating to display signs
Inventor: HODGSON SYDNEY JAMES
IPC: G09F13/04
Filed: 1959-09-11
Abstract: 921,018. Internally illuminated signs. EXTOL ENGINEERING Ltd. Dec. 2, 1960 [Sept. 11, 1959], No. 31051/59. Class 3 (2). A display sign comprises a frame consisting of a U-shaped portion 2 disposed within a U- shaped portion 1<SP>1</SP>, 1<SP>2</SP> so as to define therebetween recesses for the reception of spaced panels which are internally illuminated by fluorescent tubes 11 mounted on a carrier 10, the frame portions 1<SP>1</SP>, 2 being welded together and the frame portions 1<SP>1</SP>, 1<SP>2</SP> being detachably secured together by clamping screws, see Figs. 2 and 3 (not shown). The panels may be made of transparent or translucent material and bear opaque indicia or be made of opaque material and bear translucent or transparent indicia and are sealed in position by rubber strips. The frame may be provided with strengthening ribs 8 and may be of rectangular form divided along a diagonal, see Fig. 5 (not shown).
Patent GB-216802-A (GB)
Title: An improvement of the electric bell push whereby it can be used for the extension ofthe electric circuit and wireless broadcast
IPC: H01H13/02
Filed: 1923-12-11
Abstract: 216,802. Cathles, J. W., and Cathles, M. L. Dec. 11, 1923. Push - button switches.- Bell pushes or the like of special use when the bell circuit is used as a wireless aerial or as a. connecting link between a receiving set in one room and telephones in another room, are provided with two external terminals 11 to which extensions of the bell or other circuit may be connected. The wires of the bell circuit enter two tubes 9 in the body of the push and are there gripped by the screws 10 which carry the terminals 11. The bell circuit is completed by depression of a rubber cap 13 which carries a metallic member 16 adapted to bridge the tubes 9. The push may be used as a pendant push or as a wall push in which latter case, a member 18 similar to the cap 13 is removed, the push is screwed to the wall through holes 19, and a further extension to the bell circuit may be obtained by inserting leads through holes 20, 21 into the tubes 9.
Patent GB-1308413-A (GB)
Title: Vibration-resistant thread-forming screw
Inventor: SIMONS L
IPC: F16B39/30
Filed: 1971-07-02
Abstract: 1308413 Self-tapping screws N L INDUSTRIES Inc 2 July 1971 [14 July 1970] 31127/71 Heading B3N A vibration-resistant, thread-forming screw 10 comprising a shank 14 having a thread 16 and a plurality of lobes 18 distributed circumferentially about said shank and being on a spiral therealong in an angular direction opposite from said thread, said shank having in a plane normal to its axis an inner solid core 20 of circular configuration and said lobes being integral therewith and being uniformly distributed circumferentially, each lobe having in the direction 22 in which the shank is turned when forming a thread, an elongate leading leg 24 which progresses gradually away from the axis and a relatively short trailing leg 26.
Patent GB-504643-A (GB)
Title: Operating handles for doors, windows and the like
IPC: E05F11/50
Filed: 1937-11-12
Abstract: 504,643. Handles for door latches. NEWTON, R. W. Nov. 12, 1937, No. 31184. [Class 44] [Also in Groups X, XXIV, and XXXI] A handle for operating the control mechanism of door latches, comprises an arm 2, Figs. 1 and 4, terminating in a plate or disc 3, from which projects a boss 8 having an external shape or form such that it can transmit rotary motion to a socket of corresponding internal shape, the said boss having a recess in which is movably mounted means for locking the handle to the socket. In the construction shown, the locking means comprises a spring- controlled detent 13 having tongues 18 which project into a groove 19 in the socket 7 and a lateral detent 17, which engages in a groove 26 of the boss. By this arrangement, the locking means may be lifted to release the handle from the socket, by thrusting a small tool through the groove 26. The boss has longitudinal grooves adapted to engage with splines in the socket. In modifications, the detent is spaced some distance from the boss and carries means, such as pins, which project into the groove 26. The handle is shown applied to the various operating mechanisms described in Specification 505,377.