baber/WOPTO huggingface dataset:
Patent GB-1451826-A (GB)
Title: Microliter syringe for dispensing small accurately measured quantities of fluid specimens
IPC: A61M5/178
Filed: 1974-03-27
Abstract: 1451826 Syringes JINTAN TERUMO CO Ltd 27 March 1974 [29 March 1973] 13610/74 Heading F1R A micro-syringe having a cannula 3 inserted in the bore 2 at one end of the syringe has a flexible hollow guide 7 secured to the other end and through which an elongate plunger 8 may be fed into the bore 2, the flexibility of the guide preventing permanent buckling of the plunger. The guide is removably inserted into the flange 5 or may be fixed thereto. Several shapes of guides are described.
Patent GB-290250-A (GB)
Title: Improvements in or relating to rotary apparatus applicable as a motor pump or compressor
IPC: F04C18/04
Filed: 1928-05-09
Abstract: 290,250. Aktiebolaget Vacuum-Compressor, (Assignees of Berglund, O. R. P.). May 11, 1927, [Convention date]. Fixed-abutment type; packing.- Spring - pressed or pressure - fluid actuated packing strips are formed at one end with an angularly projecting part which is inserted in a recess in an adjacent surface of the packing carrying member so that the inside edge of the projecting part is flush with that surface; the surface and the projecting part bear against a relatively moving part of the engine, pump or the like and wear evenly. The arrangement is shown applied to a gyratory piston engine in which the piston ring 1 is carried by a plate 8; the packing strip 6 bears against the abutment 4 and is formed at one end with a projecting part 10 lying flush with the plate 8 and bearing on the end of the abutment 4. An oppositely projecting part 11 at the other end of the strip 6 prevents damage if the spring 7 breaks. The strips 6 may be laminated.
Patent GB-602095-A (GB)
Title: Improvements in or relating to method of and apparatus for indicating the condition of welds
IPC: B23K11/25
Filed: 1944-07-18
Abstract: 602,095. Determining physical qualities of materials. BUDD MANUFACTURING CO., E. G. July 18, 1944, No. 13735. Convention date, July 2, 1943. Drawings to Specification. [Class 37] [Also in Group XXXVIII] The condition of welds is determined by establishing a flow of electrical oscillatory energy through the pieces to be welded together and indicating the variation of energy created as the pieces are being welded together. Upon formation of the liquid weld nugget, the amount of energy transmitted varies, and any non-uniformity in such variation, as indicated by a suitable meter, will indicate a faulty weld. The oscillatory energy may be amplified before passing to the meter, which may be an oscilloscope or, if the oscillations are within audible range, a sound meter ; a recording meter may also be used. In addition to giving a visible or audible indication the variations in the energy flow may be used to control the heat of the weld. The oscillator may comprise a vacuum triode fed through a choke by a D.C. source, the potential of the grid being varied by a tank circuit. The Specification as open to inspection under Sect. 91 refers to the use of the abovementioned method for detecting deviations from normal in the physical state of materials during treatment generatty. This subject-matter does not appear in the Specification as accepted.
Patent GB-569642-A (GB)
Title: Improvements relating to lifting attachments for packing cases, containers and otherbodies
IPC: B66C1/66
Filed: 1943-08-23
Abstract: 569,642. Lifting - attachments for packing-cases &c. ROOTES, Ltd., and RANDALL, F. G. Aug. 23, 1943, No. 13743. [Class 18] [Also in Group XXV] A lifting-attachment for packing-cases, containers or other bodies comprises a lifting-loop g loosely pivoted in a box-like fitting consisting of parallel steel plates b, c between which the edge of a wall of the container &c. fits, and plates d with securing lugs f and bottom e. The fitting is positioned in the upper edge of the wall of the case or substantially flush with the side. The lifting-loop g may assume either of the positions shown. Ordinarily four such fittings would be used for a case. Drain holes are provided.
Patent GB-512586-A (GB)
Title: Dry vapor generators
IPC: A61M15/00
Filed: 1938-05-09
Abstract: 512,586. Medical vaporizers. ROBERTS, A. H. B. May 9, 1938, No. 13814. [Class 81(i)] Apparatus for producing dry vapours for curative purposes by the destructive distillation of vegetable or mineral matter comprises a base supporting a compartment at a distance above it, a series of circular bosses on the bottom of the compartment to which are secured containers for additional medicinal liquids through which the vapours generated are passed, and a number of valve-controlled passages within the compartment connecting the containers with a mixing receptacle. Preferably the base is circular, as shown in Fig 1, and the various containers, mixing chamber etc., are grouped round an electric motor driving a fan which circulates the vapours through the apparatus. Fig. 5 is a sectional diagrammatic view of the arrangement of the parts. Vegetable or mineral matter is burned in furnace 19 to create medicinal vapours which are drawn through opening 20 in the base of the furnace into chamber 18. They are then passed through a liquid purifying medium 25 in container 24, a valve tube 26 having a hole registering with the exit from chamber 18 being provided and controlled by knot 27. The vapours then pass through chamber 31, formed in the compartment 11, having baffles 32 and 33 and then pass through solid filtering material in chanber 12, which forms one of the columns supporting the compartment. The blower 37 draws air through the furnace and the vapours generated through the purifying devices described, and then forces them through further purifying means in chamber 13 which forms the second supporting column for the compartment. The cleaned vapour then passes into a manifold passage 48 forming a sector of the compartment, in the floor of which are attached a number of receptacles 51 containing medicant liquids. A tubular valve 50 of similar construction to that provided on liquid purifier 24 is attached to each container 51 so that the vapours may be passed through any or all of the medicant liquids as desired. Each medicant container is provided with a drip feed device (shown in Fig. 2) whereby the container can be refilled from receptacle 57, the outflow of which is controlled by a needle valve 58. From these medicant receptacles, the vapours pass to a mixing chamber 62, preferably electrically heated, from which the vapours are led to their place of use. The strength of the vapour formed in the furnace 19 may be controlled by the admission of air into cylinders 71 opening into chamber 18. Slide valves are provided in the top of each cylinder and simultaneously operated by means of pulley 74 mounted on the top of the compartment, and belt 76.
Patent GB-1102028-A (GB)
Title: Improved method of balancing rotary-piston engines
IPC: F16F15/28
Filed: 1965-04-01
Abstract: 1,102,028. Rotary-piston engines. REGIE NATIONALE DES USINES RENAULT. April 1, 1965 [April 2, 1964], No. 13954/65. Heading F1F. A method of balancing a rotary-piston engine assembly comprising an engine shaft 1, an eccentric 2, a piston 3 mounted thereon and the usual counterweights, whereby to compensate for the difference in weight between a production piston and a standard piston of maximum permissible weight (including weight of liquid coolant) of initially balancing the standard pistons in known manner by the counterweights, substituting a production piston and in holes 6 in the eccentric 2 extending parallel to the engine shaft axis and symmetrically positioned with respect to a line joining the engine shaft and piston centres placing additional weight equal to where p 1  = weight of standard piston, p 2  = weight of production piston, d = distance of weights from shaft axis, e = radius of eccentricity.
Patent GB-1330913-A (GB)
Title: Integrated semiconductor structures
IPC: H01L27/082
Filed: 1971-05-10
Abstract: 1330913 Semi-conductor devices INTERNATIONAL BUSINESS MACHINES CORP 10 May 1971 [8 June 1970] 13976/71 Heading H1K An integrated circuit includes a plurality of lateral transistors disposed in a substrate 20 which serves as a common base region for each of the devices, each device comprising a diffused emitter zone E1, E2, a diffused collector zone C1, C2 and in addition a diffused control zone C1<SP>1</SP>, C2<SP>1</SP> of the same conductivity type as the collector zone. The emitter zones of the devices are connected to a common current source 21, and switches S1, S2, are provided to selectively connect the control zone C1<SP>1</SP>, C2<SP>1</SP> of each device to a control potential so that in use current flows from the emitter zone to either the collector zone or the control zone. In each device the collector zone may partially surround the control zone with the emitter zone being disposed in a gap in the collector zone, or the zones may be concentric with the emitter surrounded by the control zone which is in turn surrounded by the collector zone, Fig. 1b, not shown. Further, transistors may be arranged as symmetrical pairs having control zones and collectors arranged on either side of a common emitter. A highly doped zone of the same conductivity type as the substrate may be formed adjacent to all sides of the emitter zone except the side or sides facing a control zone to prevent the direct migration of injected holes to the collector zone.
Patent GB-1338043-A (GB)
Title: Process for producing virus cultures and vaccines
IPC: A61K39/17
Filed: 1971-05-10
Abstract: 1338043 Virus culture on pig kidney cells. LABORATOIRE ROGER BELLON 10 May 1971 [11 May 1970] 14090/71 Heading C6F [Also in Division A5] A viral vaccine is obtained by culturing a pathogenic virus on the strain of pig kidney cells 1B-RS-2 in a monolayer or in suspension and then inactivating the virus concerned. The virus may be that of foot and mouth disease, Newcastle disease or gastro enteritis.
Patent GB-934253-A (GB)
Title: Improvements in or relating to apparatus for the mechanical handling of billets and the like
IPC: F27D3/00
Filed: 1959-04-24
Abstract: 934,253. Conveying. BRIGHTSIDE FOUNDRY & ENGINEERING CO. Ltd., and E. N. ALLBESON. April 21, 1960 [April 24, 1959], No. 14141/59. Class 78 (1). Billets are conveyed from table A to roller conveyer C by a step-by-step conveyer B and by levers 40. Conveyer B has three compensators as follows: a set of stationary bars 10 which are stepped at 13-19; a set of levers 20, which are pivoted at 29 and reciprocated at 33, and are stepped at 22-24 ; and a set of levers 21, which are pivoted at 29, reciprocated at 39 out of phase with levers 20, and stepped at 25-27. Operation.-The billets are fed from table A on to step 13 of stationary bars 10. Levers 20 rise to engage the billets at 22 and to transfer them to step 14 of bars 10. Levers 20 descend to allow levers 21 to rise to engage the billets at 25 and to transfer them to step 15 of bars 10. Thus, the billets are conveyed stepwise in decreasing numbers till they form a single row disposed on step 19 of bars 10 whence they are transferred to conveyer C by levers 40 pivoted at 41 and actuated at 42.
Patent GB-954199-A (GB)
Title: Improvements in and relating to one-way (free-wheel) clutches
IPC: F16D41/07
Filed: 1960-04-02
Abstract: 954,199. Ratchet clutches. A. MAURER. April 22, 1960 [April 25, 1959; Dec. 22, 1959], No. 14189/60. Heading F2C. In a sprag-type one-way clutch each sprag is maintained in contact with the races by an associated individual lightweight torsion coil spring having two free arms, one of which engages the sprag at a point eccentric to its tilting axis to exert a torque thereon, while the other engages the coil spring of an adjacent sprag. As shown in Figs. 1 and 2, the sprags 3 are of the form described in Specification 814,786, and each is provided with a bore 4 coaxial with its tilting axis for the reception of a helical spring 5 with arms 6, 10 projecting from one end, the short one 6 engaging the side 7 of a slot in the face of the sprag, while the other 10 has a bent-over end portion 11 inserted in the bore of an adjacent sprag. In the form shown in Fig. 4, the short arm 24 of each spring has a bent-over end 25 engaging the edge of the associated sprag, the long arm 27 being formed at the opposite end of the coiled portion 21. In a third form, Fig. 5, each spring coil 50 is mounted on a pin 51 projecting from the side of the sprag.
Patent GB-1457103-A (GB)
Title: Mixing extruder
IPC: B29C48/76
Filed: 1975-04-07
Abstract: 1457103 Mixing extruder FRIED KRUPP GmbH 7 April 1975 [8 April 1974] 14192/75 Heading B1C A mixing extruder for processing rubber or plastics materials having an extruder worm 2 is characterised by the provision, in the direction of conveyance of materials by said worm, of three consecutive zones 3, 7 and 8, the first, 3, being adapted to be closed periodically on all sides so as to form a closed mixing chamber which when opened allows discharge of mixed materials to the second zone 7, the second zone being a storage and conveyance zone and having a volume 9 sufficiently large to provide a buffer for the materials which are intermittently charged thereto and continuously discharged therefrom to the third zone 8, the third zone 8 being an expulsion zone serving essentially for conveyance of the material to the discharge of the extruder. The mixing chamber 3 is closed by a shut-off device 5 comprising pneumatically or hydraulically operated slides 15, 16 Fig. 3 and by a plunger 6 in a charging chute 13. The storage zone has a degassing connection 10 connectible to a vacuum pump, and cavities 12 in the worm and walls of the extruder provide for circulation of cooling water. The extruder discharges to a pair of rolls 11 and the discharge material is formed into a sheet.
Patent GB-940145-A (GB)
Title: New methods for polymerisation of butene-1 and other ª -olefines
Inventor: CLARK KEITH JASPER
IPC: C08F10/14
Filed: 1961-04-20
Abstract: 940,145. Polymerizing alpha-olefins. IMPERIAL CHEMICAL INDUSTRIES Ltd. June 25, 1962 [April 20, 1961], No. 14286/61. Heading C3P. Polymers of alpha-olefines are made by polymerizing an olefine in the presence of a liquid hydrocarbon and a stereospecific catalyst, initially at a temperature within a temperature range sufficiently low so as to form a slurry of polymer in the liquid hydrocarbon, and then increasing the temperature of polymerization so that the greater part of the olefine is polymerized within the higher temperature range but not at a temperature so high that the polymer dissolves in the liquid hydrocarbon. The alpha-olefin may be ethylene, propylene, butene-1, 4-methyl-pentene-1, or 4-methyl-hexene- 1, and mixtures thereof. The molecular weight of the polymers may be controlled by adding hydrogen to the polymerizable mix. Exemplified stereospecific catalysts are Al(C 2 H 5 ) 2 Cl and TiCl 3 , and Al(C 2 H 5 ) 2 Cl and ball-milled mixed crystals of AlCl 3  and TiCl 3  of approximate composition AlTi 3 Cl 12 . The solvent is preferably a mixture of paraffins boiling in the range of 180-220‹C.
Patent GB-260892-A (GB)
Title: Improved method of and means for reducing the intensity of photographic silver images
IPC: G03C5/42
Filed: 1926-06-07
Abstract: .260,892. Taeschner, K. E. June 7, 1926. Reducing intensity.-The intensity of a silver positive or negative image is reduced, without impairing the half-tones, by treating the image for 3 to 5 minutes in a bath containing potassium ferricyanide. an alkaline chromate or bichromate, and preferably also sugar, and, after rinsing, immersing it in an acid hyposulphite fixing bath until the desired reduction is observed to. have taken place. The first-mentioned bath is preferably prepared from an intimately triturated mixture of the ingredients.
Patent GB-847067-A (GB)
Title: Improvements in presses
IPC: B30B15/06
Filed: 1959-04-27
Abstract: 847,067. Hydraulic presses. RESEARCH CORPORATION. April 27, 1959 [April 28, 1958], No. 14370/59. Class 69 (2). A press for exerting high pressures at high temperatures comprises four anvil devices 12 each having similar equilaterial triangular faces 14, means 26a, 26b, 26c and 26d mounting the devices for rectilinear motion along axes normal to the triangular faces and converging to a common intersection at equal solid angles whereby the faces 14 define a regular tetrahedron. The anvil devices are of hard steel, cemented tungsten carbide or cemented cubic boron nitride and are formed with the equilateral faces 14 and side surfaces 16 at approximately 35.3 degrees from the surfaces 14. The devices are mounted in a ring 18 located on the rods 24 of hydraulic rams 26a, 26b, 26c and 26d at one end secured to base plates 36 and at the other end located by the rods 40 clamped to stay bolts 34 arranged between the plates 36. The force between the rods and devices 12 may be transmitted by cemented carbide or hard steel inserts 28, 30. The material to be pressed may be placed in a sample holder 46, Fig. 7, of regular tetrahedron shape having its edges slightly longer than the edges of the faces 14. The holder may be made of pyrophyllite and has a bore 48 between opposed edges in which the material is placed if it is to be pressed at normal temperatures. If the material is to be pressed at high temperatures, it is placed in a metal or graphite container 50 having end portions 56 which may be welded to metal connectors 58, 60 adapted to be connected to an electric supply which heats the container and the material; a thermocouple and a pressure indicator may be incorporated in the sample holder. In operation, liquid pressure from a pump is supplied through pipes 44 to the rams which provide lateral support for each other and may exert a pressure of 100,000 atmospheres on the material, which may also be raised to a temperature of 3000‹ C. In alternative embodiments, the hydraulic rams are replaced by screw means or a combination of screw means and hydraulic rams.
Patent GB-184893-A (GB)
Title: Improvements in or relating to washing-plungers
IPC: D06F15/00
Filed: 1921-05-24
Abstract: 184,893. Anderson, D. May 24, 1921. Washing-dollies. - A washing-dolly consists of a square wooden box open at the bottom, the other end being closed by a top-piece carrying a handle c. The sides of the box are pierced with holes b leading to the top of the interior. An inwardly - opening rubber flap valve d is fitted in the top away from the handle.
Patent GB-811651-A (GB)
Title: Improvements in or relating to tachysterol
IPC: B26D7/06
Filed: 1956-05-09
Abstract: Tachysterol is obtained by irradiating with ultra-violet light precalciferol in solution in a solvent therefore at a temperature comprised between -20 DEG  C. and +20 DEG  C. whereby an equilibrium mixture of precalciferol and tachysterol results.  Irradiation may be effected in ether or ethoxyethanol, preferably between -5 DEG  C. and +2 DEG  C.  The tachysterol may be isolated by combining it with citraconic anhydride or by forming its toluyl ester.  The unconverted precalciferol may then be transformed to calciferol which is recovered for example as its 3,5-dinitrobenzoate.  In an example, tachysterol is isolated in combination with citraconic acid which is acetylated to form the acetate of tachysterol-citraconic anhydride and the calciferol is obtained as its 3,5-dinitrobenzoate. Specification 668,114 is referred to.
Patent GB-730833-A (GB)
Title: Drawing press
IPC: B21D24/00
Filed: 1953-05-22
Abstract: 730,833. Cupping. MAY, O. H. May 22, 1953 [May 23, 1952], No. 14434/53. Class 83(4). A drawing press comprises a main ram, a tool-carrying auxiliary ram operated in the working stroke by the main ram, and means to cause relative movement between the two rams when the tool is not in contact with the workpiece. Two driving gears 11 are mounted on a crankshaft 12 in a press frame 10 and a forked connecting rod 13 is pivotally secured to the main ram 15 which is guided on flanges 101 on the frame. An auxiliary ram 16, carrying the drawing plunger 20, operates in a cavity 17 inside the main ram the forward movement of the auxiliary ram being limited by ribs 151 on the main ram. A piston rod 22 is attached to the auxiliary ram and a piston 23, operating in a pneumatic cylinder 26 attached to the rear of the main ram. A fourway valve 27 for operating the piston 23 is controlled by a cam 28 secured to one of the driving gears 11. The cam operates a control lever 30 pivoted on the press frame said lever being connected to a pivoted, spring-loaded reversing lever 32 by a link 34. The four-way valve, which has an inlet 271 and an outlet 272 for compressed air, is provided with a twoarmed control lever 38. A control pawl 40 pivotally mounted on the frame is urged rearwardly against an abutment 42 by a spring 41. The main ram has two slots 43 in which are mounted pivoted, spring-loaded levers 44 provided with guide rollers 45 and claws 441 for extending into recesses 461 of spring-loaded rotary keys 53 mounted in the main ram, said keys being engageable in recesses in the auxiliary ram. Two cams 50 on the frame engage the rollers 45 for unlocking the auxiliary ram from the main ram on the return movement of the rams. In operation, as the rear dead centre of the crank is passed, the cam 28 rocks the lever 30 which causes the control lever 38 to deliver compressed air to the rear of piston 23, thus moving the auxiliary ram into its foremost position against the stop 151 where it is locked by the rotary keys 53. When the cam 28 moves past the cam follower roller 29, the linkage system 30, 32, 34 is returned by a spring 36 into its initial position against a stop 37. On the return stroke of the rams the rollers 45 are rocked forwardly to cause the claws to rotate the keys 53 and release the auxiliary ram. The control lever 38 of the four-way valve, which on the forward stroke moves past the spring-loaded cam 40 unaffected, is on the return stroke reversed so that compressed air is delivered to the front of piston 23 thus returning the auxiliary ram to its rearmost position shortly after reaching its forward dead centre .position.
Patent GB-119887-A (GB)
Title: Improvements in or connected with the Air and Gas Valves of Internal Combustion Engines.
IPC: F01L3/00
Filed: 1917-10-10
Abstract: 119,887. Tankard, H., and Tankard & Smith. Oct. 10, 1917. Fluid governors.-To facilitate slow running of an internal-combustion engine, one wing v of a throttle vaive in the supply pipe is constructed of flexible material which does not completely close the pipe when the valve is in its normal position for slow running. Upon an increase in speed the flexible member closes the supply pipe and cuts off the combustible mixture.
Patent GB-438435-A (GB)
Title: Improvements in the treatment of cellulosic materials
IPC: D21C3/16
Filed: 1934-05-16
Abstract: Cellulose suitable for the preparation of cellulose derivatives and for the manufacture of paper, is prepared by treating lignin-containing cellulosic materials such as wood, wood pulps, &c., first with a nitric acid solution of 2--10 per cent concentration at a temperature below 95 DEG  C. and then by extracting with an alkaline solution.  Conveniently, with an acid of 4--7 per cent concentration a temperature of 85--95 DEG  C. is employed; with 7--10 per cent acid, a temperature between 70--85 DEG  C.; and with 10 per cent acid, 60--65 DEG  C.  For the alkaline extraction there may be used cold moderately strong caustic soda, or a weaker solution at raised temperatures up to the boiling point or temperatures in excess of this as permitted by the application of pressure; concentrations of 1--5 per cent at 100--130 DEG  C. are especially suitable; and a two stage treatment may be employed, namely, first with dilute solutions of alkali at elevated temperatures, followed by treatment with cold, more concentrated alkali. Specifications 263,938 and 312,098, [both in Class 2 (ii)], are referred to.