baber/WOPTO huggingface dataset:
Patent GB-699715-A (GB)
Title: Improvements in or relating to hypodermic syringes
IPC: A61M5/178
Filed: 1951-09-20
Abstract: 699,715. Hypodermic injectors. BISHOP & CO. PLATINUM WORKS. J. Sept. 20, 1951 [Sept. 26, 1950], No. 22060/51. Class 81 (ii). A hypodermic syringe is provided with a glass barrel having an integral glass tip with an axial bore, a metal cap receiving the glass tip with a press fit and having a nozzle also with an axial bore for the reception of a hypodermic needle, a deformable disc being placed between the end face of the glass tip and the bottom of the metal cap, an axial bore in the disc being in axial alignment with the bores in the glass tip and needlereceiving nozzle, the disc being made of tough durable non-toxic material capable of standing sterilising temperatures and being chemically inert to medicaments used in the syringe. A glass syringe barrel 5 has a glass tip 9 having an axial bore 8. A metal cap 10 with a needlereceiving nozzle 13 having an axial bore 16 is pressed on to the glass tip 9, a disc 18 of superpolyamide e.g. "nylon," "teflon," or trifluorochloroethylene being placed between the end face 11 of the glass tip 9 and the bottom 17 of the socket 12 of the metal cap 10. A hole of the same diameter as the bores 8, 16 of the glass tip 9 and the needle-receiving nozzle 13 is then drilled through the disc 18. In a modification (not shown) the socket of the metal cap is provided with a rib concentric with and surrounding the nozzle bore.
Patent GB-405648-A (GB)
Title: Improvements in or relating to abrasive implements
IPC: B24D18/00
Filed: 1932-08-06
Abstract: 405,648. Grinding-tools. POTTER, H. V., and BAKELITE, Ltd., 68, Victoria Street, London. Aug. 6, 1932, No. 22120. [Class 60.] Grinding-tools, for example, wheels, hones, whetstones and abrasive rods and tubes, comprise a laminated structure built up of fibrous sheets in which is embodied a thermosetting resinous material and abrasive grains, the grains, and if desired, the resinous material being embodied in the sheets during their manufacture, and the sheets then being cut to size, moulded, and indurated by heat to form a laminated structure. The sheets, which may be of paper or asbestos in which the grains are embodied may have the resinous material, for example, a reactive phenol-aldehyde resin or urea-formaldehyde or polyhydric-alcohol-polybasic acid condensation products, applied thereto, and sprinkled with additional abrasive grains, the sheets then being cut to size, stacked, pressed and heated. Alternatively the resin is applied to the sheets, which are stored for a short period and then built up to form the tool and pressed between hot platens. In a further form of the process, the grains are moistened with a solvent for the resinous material, and mixed with a potentially reactive resin, the resulting mass being applied to the fibres during formation of the sheets. The sheets are then placed together and cold moulded, the bond being hardened by subsequent heating. The fibres may be wetted with solvent, or with resin in liquid or varnish form, or may be coated with the varnish before placing together. The fibres and/or the grains may be moistened with solvent, resin or varnish before formation of the sheets. According to the Provisional Specification, the abrasive grains and resin may be applied to the manufactured sheets of paper &c. Specifications 166,916, [Class 140, Waterproof &c. fabrics], and 396,858 (as open to inspection under Sect. 91) [Group VIII], are referred to.
Patent GB-640781-A (GB)
Title: Improvements relating to means for suspending bags for storing and dispensing liquids
IPC: B65D33/14
Filed: 1948-08-23
Abstract: 640,781. Liquid soap dispensers. ENGEL, W. Aug 23, 1948, Nos. 22165 and 22166. [Class 131] [Also in Group XVII] A liquid soap dispenser comprises a bag a of plasticized polyvinyl chloride suspended from a horizontal metal spike d mounted on a bracket arm e<SP>1</SP> and transfixing a widened welded patch c on one of the sealed borders of the bag. The soap is dispensed by cutting off the comer of the bag at a<SP>1</SP> and tipping the bag.
Patent GB-235831-A (GB)
Title: Apparatus for testing telephone receivers
IPC: H04R29/00
Filed: 1924-09-20
Abstract: 235,831. Gerns, W. H. June 21, 1924, [Convention date]. Testing telephone receivers in manufacture.-A test-board unit for testing telephone receivers in manufacture comprises a plate 1 adapted to be secured to the panel of a visual testing apparatus and having fixedly secured on one side a standard telephone receiver 15, whilst, on the other side, is secured a pad 2 or three-sided guide block 5 into which the telephone receiver 16 to be tested is slid face downwards into alignment with the standard receiver, an aperture being provided in plate 1 in alignment with the centres of both receivers. An insulated block 12 carrying a laterally projecting guide member 11 is secured to the block 5 and on either side of the block 12 is attached a U-shaped member 7, 8, to the upper side of each of which is attached a resilient brush member 9, 10 adapted to make electrical connection with the terminals 17, 18 respectively on the receiver 16 when the latter is slid into the block 5. In tests for sensitivity the standard receiver 15 is employed as a generator of sound vibrations whilst in volume tests the receiver 16 is so employed, a switch 3, secured to plate 1 adjacent the block 5, being used to connect the receivers in the various circuit arrangements. The switch 3 has a framing 19 carrying a plurality of adjacent pairs of resilient contacts 40, 41, 42, 43. a pair of leaf spring contact members 21, 22 being operated by a cam 23 on the rocking arm 4.
Patent GB-790934-A (GB)
Title: Improvements in or relating to the measurement of heights, distances and direction by means of sonic and ultrasonic sound vibrations
IPC: G01S1/72
Filed: 1955-08-03
Abstract: 790,934. Echo distancemeasuring. KONINKLIJKE LUCHTVAART MAATSCHAPPIJ N.V., DERKSEN, J. W., and KIPS, E. J. E. Aug. 3, 1955 [Aug. 4, 1954], No. 22329/55. Drawings to Specification. Class 118 (2). Apparatus for determining the height or the distance to a reflecting surface by measuring the time interval between the transmission of an acoustic sonic or ultrasonic vibration and the reception of such vibration after reflection from the reflecting surface is characterized in that for transmitting the vibration use is made of a source of sound, the transmitted energy of which is in its entirety concentrated on one adjustable frequency, and wherein at the beginning of the transmission a predetermined constant amplitude is obtained substantially without building- up time and at the end of the transmission the amplitude becomes zero substantially without decaying time. An embodiment, illustrated by means of a block diagram, utilizes as transmitter an ionophone as described in Specification 659,796, [Group XL (a)], and a special receiver having a very high selectivity responsive to only one predetermined frequency and harmonics thereof. Extraneous noises, for example on an aircraft, are thus largely eliminated from the apparatus. The transmitter and receiver are directional and are controlled by a gyroscopic system whereby measurements are independent of the rolling of the aircraft or other vessel carrying the apparatus. Range is measured by means of low-frequency timing pulses which are passed to an electronic counter and indicator by a switching device which is gated on by the transmission pulse and gated off by the echo pulse. The number of pulses passed during this interval are proportional to range and the frequency of the timing pulse generator may be varied to give the indication in any desired units. U.S.A. Specification 2,574,596 also is referred to.
Patent GB-1487602-A (GB)
Title: Nasal tampons
IPC: A61B17/12
Filed: 1974-10-09
Abstract: 1487602 Nasal tampons G H GOTTSCHALK 9 Oct 1974 22351/75 Divided out of 1487601 Heading A5T A nasal tampon comprises a rubber or plastics tube 10 having one end 18 closed and the other end 20 open, an inflatable balloon 12 sealingly attached to a portion of the tube between the closed end, and a hollow bulb 14, preferably integral with the tube and adjacent the open end thereof, apertures 36 in the tube providing communication between the interior of the tube and the balloon to permit inflation thereof by fluid introduced into the tube, and a soft rubber plug 46 inside the tube adjacent the open end, which plug may be punctured by a syringe needle 78 to inject fluid into the tube and is self-resealable on removing the needle, said bulb being self-sustaining in the absence of internal pressure. A second balloon 16 may be provided on the tube, said balloon being in communcation through a tube 35 with the interior of the bulb. A metal sleeve 38 containing plug 46 at its inner end and a second plug 48 at its outer end is positioned in the open end of the tube and has apertures 44 opening into the interior of bulb 14 so that balloon 16 may be inflated on inserting needle 78 through plug 48 into space 56 in the sleeve between the two plugs. In an alternative embodiment, the tube 35 is dispensed with, apertures (44') Fig. 4, (not shown), in the sleeve (38') being brought into line with apertures (34') in the wall of tube 10 which open into balloon 16. In a modification, the bulb is not integrally moulded or formed on tube 10, but the tube is provided with an inner end portion (90) of reduced wall thickness onto which a flange (92) of the bulb is secured with adhesive. The plugs may alternatively be of plastics. The balloons may be inflated with air or water. Marks 76, 78 are provided on the syringe needle to indicate when it has penetrated the plugs 46, 48 respectively. A third intermediate balloon may be provided with an associated plug. The bulb serves, when the tampon is inserted into a nostril, to prevent the tampon being aspirated by the patient when the balloons are not inflated, the bulb anchoring the tampon against the nostrils.
Patent GB-460699-A (GB)
Title: Improvements in or relating to x-ray apparatus
IPC: H01J35/04
Filed: 1936-08-14
Abstract: 460,699. R÷ntgen ray apparatus. WESTINGHOUSE LAMP CO. Aug. 14, 1936, No. 22426. Convention date, Aug. 24, 1935. [Class 98 (i)] [Also in Group XL] An X-ray tube having a plurality of targets and a corresponding number of thermionic cathodes of different size for producing dissimilar focal areas on the respective targets is rotatably enclosed in an X-ray opaque casing and carries contact means to engage corresponding contacts on the casing so that the change from one cathode to another is effected by rotation of the tube, such rotation also aligning the corresponding target with a window in the casing. The tube 16 is rotatably supported in a casing 5 by a cork bearing 39 at the anode end, and by a cathode cap 26, which carries contacts 27, 28, 29 for energizing the cathodes. The central contact 28 is connected to one end of each of the two cathodes 17 and 18 and to a metallic focusing member 19, while the other two contacts are connected respectively to the other ends of the cathodes 17 and 18. The casing 5 carries two contacts 9 and 12 connected by cables 13, 14 to a suitable supply circuit, the contact 9 permanently engaging contact 28 of the tube, and the contact 12 being engaged by one or other of the contacts 27 and 29 so that rotation of the tube to one or other of the extreme positions energizes one or other of the cathodes. The cathode cap 26 has a semicircular groove 30 engaged by a pin 32 to locate the tube in its extreme positions and carries indicia visible through a slot 40 to indicate which cathode is in use. Rotation may be effected by a wing nut carried on the anode cooling radiator 37, the tube being arranged so that when one or other of the cathodes 17 and 18 is energized the corresponding anode target 34 or 35 is aligned with a window 7.
Patent GB-241531-A (GB)
Title: Improvements in or relating to duplicating apparatus
IPC: B41L19/00
Filed: 1925-09-08
Abstract: 241,531. Deutsche Maschinenbau-und Vertriebs-Ges. Oct. 16, 1924, [Convention date]. Rotary offset machines; tripping and throw-out arrangements.-In an offset office printing-machine comprising a forme cylinder a, an impression cylinder c, and a rubber cylinder b situated beneath the cylinders a, c when the machine is in use, one of the cylinders is adapted to be moved so that the rubber cylinder becomes accessible for cleaning purposes. Fig. 2 shows the cylinder b mounted in pivoted arms e so as to be movable into the dotted line position; alternatively, the cylinder a may swing down to a position below the cylinder b. The cylinder c and a cutting-device for a web d are driven by gears k, l, m from the cylinder a which also drives the cylinder b through independent gearing h, i such that the operative relation of the parts is not disturbed by the movement of the cylinder b. To avoid waste of paper when the roller b is in the inoperative position a clutch is provided comprising a slidable pin s the end n of which engages a hole r in the gear k. The cylinder b is held in the operative position by levers p mounted on a shaft q and arranged so as to give when the roller b is swung down and then to spring back under the trunnions of the cylinder b. When the clutch is re-engaged, a cam t driven from the gear m rotates a bell-crank u whereby a spring-pressed pin o carried thereby engages under the shaft q and presses the cylinder b into engagement with the cylinders a, c. A catch v holds the lever u in this position.
Patent GB-377821-A (GB)
Title: Improvements in or relating to liquid fuel burners or atomizers
IPC: F23D11/10
Filed: 1931-08-11
Abstract: 377,821. Liquid-fuel burners. ZULVER, C., St. Helens Court, Great St. Helens, London, and SWINNEY BROS., Ltd., Wansbeck Iron Works, Morpeth, Northumberland. Aug. 11, 1931, No. 22677. [Class 75 (i).] A liquid-fuel burner, shown in Fig. 1, comprises a central oil tube 3 fitted with an adjustable screwed spindle 7 formed with one or more helical tapered grooves 16 to whirl the oil as it passes into the space between the coned end of the spindle and an apertured diaphragm 12, the oil on discharge impinging against a button 13 supported at a distance from the end of the tube so as to form an annular jet 21. The oil is atomized primarily by air discharged through a nozzle 20 on the burner body 1 and secondarily by air discharged through an adjustable nozzle 27 on a sleeve 2 surrounding the body 1. A pocket 2S<1> in the nozzle 27 causes the secondary air to become heated by the burner flame before discharge. The air supplies are regulated by dampers 18, 24 and are whirled by vanes 19, 26 in the nozzles 20, 27. The nozzle 27 may be arranged to direct the air rearwardly, forwardly or at right-angles to the direction of the oil stream. The button 13 is carried by a sleeve 38 screwed in or on the tube 3. By inserting a washer 37 between the sleeve 38 and the diaphragm 12 the jet aperture 21 may be varied. The tube 3 is removably secured in the body 1 by a screwed stud 34, leakage of air being prevented by an adjustable blank 9<1>. In the modification shown in Fig. 2 the button 13 is attached to the sleeve 38 which clamps the diaphragm 12 in position. The oil emerges from the diaphragm 12 into a recess 39 in the sleeve 38 and is discharged into the primary air steam through jet apertures 14. In another modification diaphragm 12 is formed integrally with the tube 3 and the fuel issuing from the diaphragm impinges on the conical face of the button.
Patent GB-149670-A (GB)
Title: Process for the preparation of anhydrous magnesium-chloride
IPC: C01F5/32
Filed: 1920-07-30
Abstract: Anhydrous magnesium chloride is produced by reacting upon magnesia, magnesite, dolomite, or hydrated magnesium chloride at a suitable temperature such as 500-600 DEG  C. with a carbon-chlorine compound such as carbon tetrachloride or phosgene.  If carbon tetrachloride is used, phosgene is produced in the first stage of the reaction.  The magnesium chloride may be electrolyzed for magnesium and the chlorine used to prepare a carbonchlorine compound for the main reaction.  If dolomite is used, a mixture of calcium and magnesium chlorides is obtained which may be used in the electrolysis.  If impure magnesite is used, the product may be fused and decanted from the impurities.ALSO:Anhydrous magnesium chloride is produced by reacting upon magnesia, magnesite, dolomite, or hydrated magnesium chloride at a suitable temperature such as 500-600 DEG  C. with a carbon chlorine compound such as carbon tetrachloride or phosgene.  If carbon tetrachloride is used, phosgene is produced in the first stage of the reaction.  The magnesium chloride may be electrolyzed for magnesium and the chlorine used to prepare a carbon chlorine compound for the main reaction.  If dolomite is used, a mixture of calcium and magnesium chlorides is obtained which may be used in the electrolysis.  If impure magnesite is used, the product may be fused and decanted from the impurities.
Patent GB-301292-A (GB)
Title: Improvements in supports for baffles of water tube boiler furnaces
IPC: F22B37/22
Filed: 1928-08-07
Abstract: 301,292. Stirling Boiler Co.,. Ltd.. (Babcock & Wilcox Co.). Aug. 7, 1928 Baffles such as 15, 16 for water-tube boilers are supported in position adjacent the tubes by devices consisting of an inner ring 18, Fig. 2, split in halves and having an inner cylindrical surface engaging with a tube and an outer tapering surface with which engages a ring 20 formed with a corresponding tapering surface. The ring 20 is made in one piece or in two portions engaging by means of tongue and groove joints. The outside ring projects beyond the inner ring and engages with the baffle. The ring 18 is spot welded to the tube at 19. The thickness of the outer ring is less than the difference between the inner diameter of the outer ring and the outer diameter of the tube.
Patent GB-1089562-A (GB)
Title: Improvements relating to foamed polyvinyl aromatic resin products
Inventor: GILBERT JOHN HAROLD
IPC: C08J9/22
Filed: 1964-06-02
Abstract: An extruded foamed product of polyvinyl-aromatic resin comprises a mass of substantially parallel elongated cells enclosed by a surface skin, the cells being orientated substantially at right-angles to the surface skin.  The preferred resin is polystyrene.  The surface skin is normally orientated in the direction of extrusion, is of a fibrous nature and is peelable from the rest of the poduct.  The blowing agent is a normally gaseous substance or a volatile liquid. Preferred blowing agents are C1-C5 aliphatic hydrocarbons, e.g. a butane. The foamable composition preferably contains a nucleating agent, e.g. finely divided silica. The product may be produced by extruding a foamable polyvinylaromatic resin composition through a die orifice into a zone of lower pressure defined by stationary surfaces that are cooled so as to solidify the resin in contact with them and are spaced progressively further apart from each other along the direction of extrusion such that foaming of the resin occurs as it moves through the zone.
Patent GB-517621-A (GB)
Title: Improvements in or relating to electric circuit breaker contacts
IPC: H01H1/36
Filed: 1938-08-02
Abstract: 517,621. Oil-break switches. GENERAL ELECTRIC CO., Ltd., COALES, P. H., and GARRARD, C. J. O. Aug. 2, 1938, No. 22809. [Class 38 (v)] The movable bridging-member 4 for the fixed contacts' of a circuit-breaker comprises a single U-shaped conducting element reinforced by an external casing or sheath, contact-surfaces at the free ends of the limbs co-operating with the fixed contacts, which may be located in oil in explosion'pots. The member 4 comprises a tube or, as shown, a rod of copper 8, surrounded by a steel tube 7 which is drawn tightly over the rod 8, after which the two are bent together into U-shape and brazed together at the free ends. The ends are tapped to receive contact tips, and locking rings are provided between the tips and the rod and engage slots 10. A stirrup 5 is welded at 11 to the structure and attached to the lift rod. The bridging element may alternatively comprise a flexible stranded conductor pulled tight, within a bent steel tube to which copper ferrules are brazed, contact tips being screwed into threaded parts of the ferrules and locking rings being provided.
Patent GB-1131146-A (GB)
Title: Oligomerisation process
Inventor: TAYLOR KEITH ANDREW
IPC: C07C2/32
Filed: 1966-05-23
Abstract: 1,131,146. Oligomerizing olefins. IMPERIAL CHEMICAL INDUSTRIES Ltd. 16 May, 1967 [23 May, 1966; 21 Dec., 1966], Nos. 22869/66 and 57122/66. Heading C5E. Monoalkenes are oligomerized by contacting the monomer with a carbonyl-free catalyst formed from a Group VIII metal compound, a ligand containing a donor atom or atoms of Group V B  and a Lewis acid. Preferably the Group VIII metal compound and the ligand form a complex in which at least one of the coordination sites of the metal is occupied by a ligand containing a donor atom or atoms of Group V B  linked directly to the metal and at least one other of the said sites is occupied by an anionic ligand. The Group VIII metal complex may be pre-formed and used in admixture with the Lewis acid compound. Examples of suitable complexes are: (PBu) 3 - NiCl 2 , (PCy 3 ) 2 NiBr 2 , (P# 3 ) 2 NiI 2 , (P# 3 ) 2 Ni(NCS) 2 , (P# 3 ) 2 Ni(NO)Br, (PEt 3 )Ni(NCS) 2 , (PMe 3 ) 2 NiCl 2 , (# 2 PCH 2 P# 2 )NiBr 2 ,[# 2 P(CH 2 ) 2 P# 2 ]NiBr 2 ,(PBu 3 ) 2  COCl 2 . The Lewis acid may be a halide or organohalide of aluminium. The monomer may be ethylene, propene, but-1-ene, but-2-ene or a mixture thereof. The oligomerization may be carried out in a solvent, e.g. chlorobenzene, at- 25 to 100 C. and 1-50 atmospheres pressure.
Patent GB-891144-A (GB)
Title: Reclining chairs
IPC: A47C1/0355
Filed: 1958-07-18
Abstract: 891,144. Reclining seats. LORENZ, A. July 18, 1958 [Aug. 2, 1957], No. 23087/58. Class 52(2) In a reclining chair movable to a tilted position and to a fully reclined position and having a seat 4, back rest 5 and leg rest 6, the back rest is pivoted at 9 by means of a bracket 7 to a seat link 8 secured to the seat 4 and co-operating with links 10, 11, 12. The leg rest 6 is supported by a lazy tong linkage 25 pivoted to the chair frame at 27, 30 and a link 17 is pivotally connected to the chair frame and to links 10, 11 at their connection. A link 19 pivotally connects the other end of link 11 to the frame at 21 and a link 22 connects plate 7 to link 19, a lever member 29 of the lazy tong linkage being connected by a link 32 to link 8. In the upright position of the chair the connected ends of links 10, 11, 17 rest on the transverse member 2 of the chair frame. During movement to the tilted position link 11 remains stationary and the back 5 acts as though it were rigid with the seat 4 and tilting of the unit expels the leg rest through lever 29 and link 32. Further pressure on the back rest causes link 19 to turn about pivot 21 and lifts links 11, 17 to reach fully reclined position (Fig. 5). In a further modification, Fig. 7, the seat 4 carries a rigid bracket 75 pivoted to an arm 77 rigidly fastened to the back rest 5 and connected to a link 79 which is pivoted to a link 92 pivotally connected in turn to a bracket 95 mounted in the crossmember 2. A front guiding link 80 connects the seat 4 to a plate link 90 and to the leg rest lazy tongs, the said plate link 90 being connected also to the seat by a toggle linkage 86, 87 whose pivot is connected by a link 84 to link 80. A link 97 pivotally connects plate 90 to the chair frame and a pin 91 on the plate limits movement of link 86 so that further pressure on the back rest moves the plate link 90 to the fully reclined position. In yet another modification, Fig. 10, a plate link 133 is connected by links 127, 131 to the frame and by links 115 and link 120 and a triangular link 118 to the seat.