baber/WOPTO huggingface dataset:
Patent GB-882500-A (GB)
Title: A machine tool
IPC: B23B31/26
Filed: 1957-10-15
Abstract: 882,500. Boring, milling and facing machines; chucks. GIDDINGS & LEWIS MACHINE TOOL CO., and GIDDINGS & LEWIS-FRASER Ltd. Oct. 15, 1957 [Dec. 24, 1956], No. 32255/57. Class 83 (3). Means for securing a tool 18 in a spindle comprises a drawbolt 25 biased inwardly of the spindle by means 36 and means 31, 32, 34 for limiting the axial movements of the drawbolt. The spindle 10 carries a drive pinion 13 and is journalled in a sleeve 12 advanced by a pinion 15. The tool 18 has a tapered shank 19 and slots 22 to receive keys 23. It is necessary to press the tool nearly home in the socket to engage drawbolt threads 28 with an internal thread in the shank 19. Thus, the keys 23 prevent rotation of the tool at all times when the draw-bolt is engaged. The draw-bolt is rotated by a motor through a solenoid-operated clutch. When the clutch is engaged, a switch is actuated to prevent actuation of the spindle-rotating motor, and a magnetic brake is energized to prevent rotation of the spindle. When the draw-bolt is unscrewed to release the tool, a loosening blow is given to the tool when the shoulder 34 on the bolt hits the limiting shoulder 32.
Patent GB-427196-A (GB)
Title: Cast iron pipes
IPC: F16L9/02
Filed: 1933-11-21
Abstract: To increase ductility, an iron pipe, cast as described in the parent Specification, is heated to 1400-1700 DEG F., cooled gradually to to 1200 DEG  F., and then cooled at any convenient rate.
Patent GB-737842-A (GB)
Title: Improvements in or relating to the washing of coal
IPC: B03B5/34
Filed: 1953-11-24
Abstract: Coal is washed by first dividing the feed into a coarse, and a fine fraction; the coarse fraction is washed by the sink-and-float method and the fine fraction is washed by a hydrocyclone, both processes using the same density heavy suspension and having a common medium-regeneration circuit.  This latter may include a froth flotation step to recover fine coal.  Specifications 601,063 and 604,368 are referred to.
Patent GB-1319106-A (GB)
Title: Apparatus for coating a foil or band with a coating solution
IPC: B05C3/18
Filed: 1970-07-06
Abstract: 1319106 Coating apparatus AGFA GEVAERT AG 6 July 1970 [12 July 1969] 32638/70 Heading D1L Apparatus for coating a foil or band with a coating solution comprises a roller 3, around part of the periphery of which the foil or band can be guided, and which is received in a trough 4 of generally semi-circular crosssection The trough 4 is mounted on a counterbalanced lever 5 which is suspended by a double pivoted link 6, and thus can be displaced horizontally or vertically with respect to the roller, and the trough 4 is urged towards the roller by pressure varying means mounted on a counterblanaced spindle 9 pivoted on bearing pins 25 of the roller 3. The pressure varying means consists of a guide 10, an adjustment screw 11, a spring 12 and a thrust pin 13. The coating material is fed into a pocket 15 of the trough 4 when the apparatus is in operation.
Patent GB-186861-A (GB)
Title: Improvements in fire resisting asphalt or like hydrocarbonaceous material
IPC: C08K5/03
Filed: 1921-12-06
Abstract: 186,861. Young, J. H., and Robertson Co., H. R. Dec. 6, 1921. Pitch and tar.-Bituminous materials. such as tar, pitch, and the like are fire-proofed by an admixture of a halogen substitution-product of naphthalene. preferably chloro-naphthalene. The solid, highly chlorinated compounds are most effective, an addition of 30 per cent of these being sufficient.
Patent GB-1002565-A (GB)
Title: Coupling of the locking pin type
IPC: F16L37/22
Filed: 1964-08-11
Abstract: 1,002,565. Pipe couplings. LEAR SIEGLER Inc. Aug. 11, 1964 [Sept. 5, 1963], No. 32749/64. Heading F2G. In a coupling comprising telescoping members 10, 11 and means for resisting forces tending to separate the members and for locking the members together when in a coupled condition, the said means comprises locking pins 18 in radially directed openings 17 of the member 10 and extending inwardly in engagement with a pin-receiving groove 46 in the member 11 whereby forces tending to separate the members develop a resultant force in an axial plane of the coupling effectively acting on each of the pins at a point on the surfaces thereof of engagement with the groove and angularly related to coupling axis. Retaining means, e.g. a spring-urged sleeve 28, carried by the member 10, maintain the locking pins in the extended position thereof of engagement with the groove and against the resultant force developed therein. The ratio of the distances, a, b respectively, measured radially and axially of the coupling between the effective point 52 of application of the resultant force 50 on and the diametrically opposite side of each pin at the beginning of the extension thereof from the corresponding opening 17 is no greater than the tangent of the angle measured in an axial plane of the coupling between the resultant force acting on it and the coupling axis. As shown, the pins 18 and openings 17 have diametrically opposite and mating flats 20, 19 parallel to the axis of the coupling and forming lips 21 to retain the pins in the openings when the members 10, 11 are uncoupled. Specification 876,216 is referred to.
Patent GB-927085-A (GB)
Title: Improvements in or relating to apparatus for hydraulically or pneumatically operating a member, in particular the valve member of a stop valve
IPC: F16K31/163
Filed: 1959-09-25
Abstract: 927,085. Valves. D. J. CUPEDO. Sept. 25, 1959, No. 32758/59. Class 135. Apparatus for hydraulically or pneumatically operating the valve closure member 4, Fig. 1, of a sliding gate valve 1, comprises an operating stem 16 connected at its upper end to a double - acting piston 18 slidable in a cylinder 19 and formed at its lower end with a sleeve 15 having helical slots 13, engaging projecting lugs 12 on a nut member 11 screwed on the valve spindle 7. A hammer bolt connection 6 secures the spindle 7 against relative rotation with respect to the closure member 4. The lugs 12 also engage L-shaped slots 14 in a sleeve 17 secured to the cylinder 19. Sleeves 15 and 17 are secured against relative rotation by means of an axial groove in the sleeve 15 and at least one bolt 24 passing through the sleeve 17. When the valve is in its open position with the piston 18 at the top of the cylinder 19, the lugs 12 are located at the lower ends of the slots 13 (see Fig. 3a) and upper ends of the slots 14. Operating air or liquid admitted above the piston 18 urges the piston, sleeve 15, and nut 11 downwards so that the lugs 12 move down the slots 14 until the bends therein are reached. The "horizontal" limbs of the slots 14 are located at an angle of slightly greater than 90 degrees with respect to the vertical limbs so that on further downward movement of the piston 18 the nut 11 is rotated and the closure member urged firmly into engagement with its seats. The stem 16 may be extended above the piston and out through the top cover of the cylinder for manual actuation of the valve. To indicate the position of the closure member 4, the operating stem 16 is formed with a chamber 28, Fig. 4, having a length equal to the length of a tube 29 sealingly passing through the piston. The tube 29 is connected by pipe 30 to a cylinder 31 in which slides a spring-loaded piston 32 connected to a pointer 34 moving over a graduated scale 35. The chamber 28, tube 29, pipe 30 and cylinder 31 are filled with a non-compressable liquid, e.g. oil.
Patent GB-676902-A (GB)
Title: Improvements relating to the metallic lubrication of ball bearings
IPC: C23C26/00
Filed: 1949-12-21
Abstract: 676,902. Electro-deposition for ball-bearing assemblies. NEWTON VICTOR, Ltd. Dec. 21, 1949 [Dec. 30, 1948], No. 32780/49. Class 41. In a process for providing a metallic lubricating coating on balls and/or races of a ballbearing assembly for use in an evacuated housing, the balls or races have two or more suitable metals deposited thereon by electrolysis and are then mounted in position on the housing where they are subjected, during evacuation of the housing to heat treatment whereby to ensure intimate diffusion of the metals with each other to form the required lubricating coating and effect the removal of occluded gases from the coating. The heat treatment may be carried out in an atmosphere, for example, of hydrogen, which prevents oxidation. The metals may be lead followed by gold, silver, copper or tellurium, or silver followed by thallium, or they may be metals which result in an alloy of brass type. The coating may be done in a tank containing electrolyte 6, Fig. 1, the balls 1 being carried on a conical support 2 which is rotated about its axes by a spindle 3 driven by a motor 4. Alternatively the balls may be placed between a flanged electrode plate 8, Fig. 2, and a pad 10 enclosing an anode plate 9, the plates being given relative rotation in parallel planes.
Patent GB-837444-A (GB)
Title: Improvements in and relating to the preparation of elastase
Inventor: GRANT NORMAN HOWARD
IPC: C12N9/66
Filed: 1956-10-26
Abstract: Elastase, an elastolytic enzyme, is prepared by extracting elastase-bearing tissue e.g. mammalian pancrease tissue of hog or beef to form an aqueous extract and contacting this extract, or pancreatic juice, with a weak cation exchanger especially a carboxylic acid resin at a pH of 4.5 to 5.0, and especially 4.7, and an ionic strength of not more than 0.4, and especially 0.05, to produce an adsorbate of the elastase and eluting therefrom with an aqueous solution, especially of an inert inorganic salt such as sodium chloride, having (a) a pH of 4.5 to 5.0 and especially 4.7 and an ionic strength of at least 0.4, and preferably 0.8 to 1.5; or (b) an ionic strength of at least 1.0. Trypsin or enterokinase is included in the crude aqueous concentrate of the enzyme prior to the adsorption step in order to activate the proelastase to elastase; alternatively the substance produced by elution from the cation exchanger is activated by treatment with trypsin.  The elastase substance recovered from the eluate may be further purified by repeating the adsorption-elution process and then fractionating with (a) ammonium sulphate to saturation; or (b) alcohol especially methanol or ethanol of at least 65%, and especially 80%, by volume at a temperature of - 5 DEG  C.  The precipitate so produced is dialysed to remove salts and then lyophized.  In an example, hog pancreas glands are subdivided, defatted with a solvent such as acetone, xylene or petroleum hydrocarbons, mixed with 10% porcine duodenal tissue and 8% sodium chloride and extracted with water at 25 DEG  C. for 5 hours. The clarified extract is adsorbed on Amberlite XE-97 which has been equilibriated with acetate buffer to pH 4.7, the resin is washed with water and then eluted with acetate buffer of pH 4.7. Ammonium sulphate is added to the eluate, the elastase precipitate separated dissolved in water and lyophilized.
Patent GB-1501894-A (GB)
Title: Method of manufacturing a power transistor
IPC: H01L29/00
Filed: 1975-08-06
Abstract: 1501894 Semi-conductor devices INTERNATIONAL BUSINESS MACHINES CORP 6 Aug 1975 [24 Sept 1974] 32784/75 Heading H1K A method of making a power transistor, having high emitter efficiency, comprises the steps of introducing a P- or N-type base 5, having a substantially flat doping profile, into the surface of an N- or P-type collector substrate 2, and introducing one or more highly doped P- or N-type emitter regions 8, having a steep doping profile, into an etched recess 5<SP>1</SP> in the base region 5. The base region 5 and the emitter region(s) 8 are formed by long- and short-term diffusion processes respectively. In forming the emitter, the diffusion mask used is preferably the mask used when etching the recess 5<SP>1</SP>. The mask may take the form of a single window, a grid-like mask, or a mask having several separate diffusion windows. An insulating layer 9 is formed over the transistor by an oxidation process before applying contacts.
Patent GB-1285302-A (GB)
Title: Pyridine thioacetamide derivatives
IPC: C07D213/59
Filed: 1970-07-07
Abstract: 1285302 Thioacetamides TAKEDA YAKUHIN KOGYO KK 7 July 1970 [8 July 1969 27 Sept 1969] 32790/70 Heading C2C Novel compounds I (including salts thereof) where R 1  is H, alkyl, alkoxy or halogen, n is 1 to 4, including the case where (R 1 ) n  signifies a divalent straight-chain hydrocarbon radical of 4C which is attached to the 5th and 6th positions of the pyridine ring, R 2  and R 3  are H, alkyl, aralkyl or aryl or together with the adjacent N comprise a heterocycle, and with the proviso that R 1 , R 2  and R 3  are not simultaneously H, are made: (a) by reacting a corresponding -CH 2 CONR 2 R 3  compound with a phosphorus sulphide, or with a halogenating agent and then reacting the product so obtained with hydrogen sulphide; (b) by reacting NHR<SP>1</SP> 2 R<SP>1</SP> 3  with a compound I containing the 2-CH 2 CSNH 2  group, to afford a corresponding I containing a 2-CH 2 CSNR<SP>1</SP> 2 R<SP>1</SP> 3  group (R<SP>1</SP> 2  and R<SP>1</SP> 3  are the same as R 2  and R 3  but are not simultaneously H); and (c) by reacting a corresponding compound with hydrogen sulphide, RCSNH 2  (R is alkyl, aryl or aralkyl) or (R<SP>1</SP>O) 2 P(:S)SH, to afford I containing the 2-CH 2 CS.NH 2  group, or with R 2 NH 2  followed by reaction of the product so obtained with hydrogen sulphide to afford a corresponding I containing a group (R<SP>1</SP> is alkyl). Pharmaceutical preparations useful in treating and/or preventing gastric diseases contain I as active ingredient; suitable forms for administration are, e.g. powders, granules and tablets, and solutions for injection.
Patent GB-1089352-A (GB)
Title: Improvements in screw conveyors for removing manure from buidings housing livestock
IPC: A01K31/04
Filed: 1965-07-31
Abstract: 1,089,352. Screw conveyers. JOHN SHEPHERD & SONS Ltd. July 29, 1966 [July 31, 1966], No. 32858/66. Headings B8A. A screw conveyer arrangement for removing manure from buildings housing livestock, particularly droppings discharged on paper from poultry batteries, in which the screw conveyer traverses a channel leading from adjacent the intake end to adjacent the discharge end thereof and the underside of the conveyer is supported at predetermined intervals by cradles is characterized by readily removable cradles retained in the channel without positive fixing means. As shown in Figs. 2, 3 the channel is formed at least in part of concrete units such as block 12a, a cradle 15 being slipped down the open side of a recess 14, rotation of the conveyer 10, Fig. 4 (not shown), maintaining the cradle 15 in abutment with a shoulder 14a. The top of the cradle 15 has runners 18 of nylon for frictional contact with the conveyer 10. In the embodiment shown in Fig. 5 the cradle comprises loose battens or laminations 19 of hardwood vertically arranged in a pair of recesses either side of an abutment 12b. The battens 19 are held by a packing strip 20. Fig. 6 (not shown) illustrates a cradle similar to that of Fig. 5 but the abutment 12b is replaced by a central abutment 21 merely laid in the channel 12.
Patent GB-1482603-A (GB)
Title: Data processing system
IPC: G06F9/30
Filed: 1974-08-25
Abstract: 1482603 Data processing systems DATA GENERAL CORP 25 July 1974 [10 Aug 1973] 32971/74 Heading G4A The central processor unit of a data processing system includes a register file 30 (Fig. 2) having two write ports 1W, 2W and two read ports 1R, 2R, the latter being connected as the inputs to an arithmetic and logic unit 31, the output from which is connected to one of the write ports 2W, one of the read ports 2R being coupled to the other write port 1W. A timing generator controls the timing operation of the CPU. The system also includes a memory unit having a timing generator, a master clock generating a reference time base so that the timing signals for the memory and central processing unit are out of phase. The central processing unit is the control unit for the system and governs all input/ output equipment, performs all arithmetic/logic operations and sequences the programmes. The register file 30 includes four accumulator registers a program counter register, a memory register and two temporary registers reading from and writing into the same register being possible since write occurs at the edge of a clock pulse. The two read ports enable for example the source accumulator and the destination accumulator to be accessed in a dual operand arithmetic operation and eliminate the need for multiplexer units at the output. The first write port is also connected via a multiplexer 35 to the data memory bus 14 which is linked to memories and IO devices. Preferably the register file comprises eight integrated circuits (250-257, Fig. 2A, not shown) feeding four ALU integrated circuits (258-261, Fig. 2B, not shown) each handling four bits. A shift network 33 connected to the output of the unit 31 comprises eight integrated circuit units (262-269, Fig. 2C, not shown) each handling two bits, there being an additional zero carry unit (270). The system operates in one of a plurality of programming operating states, the states being divided into three groups, "fetch/defer", "MR1- execute" and "arithmetic/I.O. execute". The first group includes states for instruction movement, address movement and programme interrupt. The second group (memory reference instruction) includes states for programme sequence alteration, i.e. jump. The third group includes arithmetic calculations and data movement to and from peripherals. Read only memory units provide the necessary signals for operation in these states. The basic timing unit for the central processor includes a register (160, Fig. 12, not shown) controlled from an oscillator (161) the basic clock signal (CPU, CLK) at the output of the unit being extendable by logic circuitry (164). Further logic circuitry (167) is used for temporarily halting the CPU. The timing logic utilized in the memory unit to control write, read, inhibit and strobe is controlled by the inverse of the oscillator signal to maintain the desired predetermined phase relationship between the CPU and memory timing systems.
Patent GB-300509-A (GB)
Title: Improvements in apparatus for adding liquid to air and/or cleansing air supplied to internal combustion engines
IPC: F02M35/026
Filed: 1928-11-12
Abstract: 300,509. Ricketts, W. G. Sept. 3, 1928, [Convention date]. [This subject-matter was laid open to inspection under Sect. 91 of the Acts, Nov. 12, 1928]. No Patent granted (Sealing fee not paid) Air, moistening-Air to be carburetted is moistened by passage through - a gauze cylinder J covered with fabric, and having its lower end in liquid surrounding the. projecting end of the outlet pipe G. The air entering at F may be heated.
Patent GB-904208-A (GB)
Title: New phenthiazine derivatives and processes for their preparation
IPC: C07D267/00
Filed: 1959-10-16
Abstract: This invention comprises compounds of the general formula: <FORM:0904208/IV (b)/1> also their addition salts with inorganic and organic acids and their quaternary ammonium salts, e.g. halides and toluene p-sulphonates, wherein A is <FORM:0904208/IV (b)/2> X is a lower alkyl alkoxy or aryl group or a cyano, methylthio, methanesulphonyl, trifluoromethyl or dimethylsulphamoyl group; Z is a pyrrolidino or piperidino group substituted by-CnH2nOR wherein n is 0-3 and R is a hydrogen atom or a carboxylic acyl group. <FORM:0904208/IV (b)/3> wherein R1 and R2 are alike or unlike and each is a hydrogen atom or a lower alkyl group, or R1, R2 and the adjacent nitrogen atom form a mononuclear, saturated heterocyclic ring; and the term "lower" denotes a group of not more than 4 carbon atoms; but excluding the compounds of Specifications 849,137 (as published) and 904,209; the preparation thereof by reacting a compound of the general formula:  <FORM:0904208/IV (b)/4> (wherein Y is the acid residue of a reactive ester) with a compound of the general formula HZ; and pharmaceutical preparations containing the products in association with a p  significant amount of a pharmaceutical carrier.  The compounds of the invention may also be made by reacting a compound of the general formula <FORM:0904208/IV (b)/5> with a compound of the general formula Y-A-Z.  The pharmaceutical compositions, which have sedative, antiemetic and in some cases analgesic activity, may be in forms suitable for oral or parenteral administration, e.g. solutions, suspensions, syrups, elixirs, emulsions, powders, tablets or capsules. Specification 904,210 also is referred to.
Patent GB-722497-A (GB)
Title: Improvements in or relating to plates adapted to have printing characters embossed thereon
Inventor: BRAINARD GEORGE CURWEN
IPC: B41N1/12
Filed: 1951-02-14
Abstract: <PICT:0722497/IV (a)/1> A printing plate P is formed from a mouldable thermoplastic material to afford a thin body 70 having a flat rear face and having parallel ribs 72 on the other face spaced apart laterally a distance equal to a line space, the characters 26 being embossed on the ribs.
Patent GB-339738-A (GB)
Title: Improvements relating to tins and similar containers for confectionery and the like
IPC: B65D51/28
Filed: 1929-10-31
Abstract: 339,738. Dewar, P. Oct. 31, 1929. Compound bottles and jars.-In a tin or similar opaque container for confectionery, &c., with a wholly or partially transparent container of smaller size detachably mounted on top of the opaque lid of the main container for displaying a 'sample of the contents thereof, the opaque lid constitutes the closure for both the main and display containers. A tin a with a flange b has a lid consisting of lever lids c, d joined by lapping the flange of one over the other, or in other manner. To the lid c is secured a screw cover k of known type by riveting, by passing tongues in the one through slots in the other and bending them over, by forming an aperture in the lid c and securing the threaded flange of the cover k between or adjacent to the edge of this aperture and the face of lid d, or by forming the lid c and cover k from the same piece of metal &c. A glass container m in which is a sample of the contents of the tin a can be screwed into the cover k on to a packing disc p of cork, &c. The Figure shows the container m in display position but by inverting it, the lid c will engage the flange b and the container m will depend into the tin a for transport, &c. The invention may also be applied to hinged or screwed lids and the container m may be connected to the lid by a bayonet joint. Advertisement-bearing panels may be formed round the closed end of the container m which may be of any shape.
Patent GB-761425-A (GB)
Title: Improvements in gear wheel pumps
IPC: F04C2/14
Filed: 1954-11-16
Abstract: 761,425. Rotary pumps. PRECISION INDUSTRIELLE SOC. ANON. Nov. 16, 1954 [Dec. 28, 1953], No. 33178/54. Class 110 (2). A multi-gear pump comprises at least three spur gears 2a, 2b, 2c arranged around and meshing with a single driving spur gear 1 so that each pair of meshing gears constitutes a pump having a separate inlet 5a and outlet 6a, the outlets being connected to a common delivery conduit, whereby the driven gears 2a, 2b, 2c are arranged around the driving gear 1 so that the separate pumps operate out of step to stagger pulsations. In the Figure where there are three driven gears the plane containing the axes of the gears 1, 2b and the plane containing the axes of the gears 1, 2c make angles equal to 2/3# α/3 with the plane containing the axes of the gears 2a and 1, 2α being the angle subtended at the centre of the gear 1 by a complete tooth plus tooth gap of that gear. Passages may be provided in the gears for escape of trapped fluid. U.S.A. Specification 2,029,742 is referred to.