baber/WOPTO huggingface dataset:
Patent GB-652253-A (GB)
Title: Improvements in or relating to the control of hot-gas engines and gas turbines
IPC: F02C9/24
Filed: 1947-09-11
Abstract: 652,253. Hot gas engines. BIRMINGHAM SMALL ARMS CO., Ltd., MUNRO, D. W., FLETCHER J., and LUPTON, A. G. Sept. 11, 1947, No. 24915. [Class 7(i)] [Also in Groups XXVI and XXIX] A valve arrangement for controlling the power output of hot gas engines of the closed cycle type comprises a valve 15 controlling the supply of compressed air to the engine or turbine and a valve 17 connecting the engine or turbine with the atmosphere these valves being controlled by a single lever 21, through a spring or springs 23 in such manner that as the lever is moved to permit one valve to open it simultaneously imparts an increased spring pressure tending to close the other valve. The lever 21 is pivoted on a rod 19 adjustable in a valve block 1. The valve block 1 has connections 7, 9 to the engine and the compressed air supply respectively, a passage 11 to the atmosphere, and a transfer passage 13. The valves 15, 17 open automatically if the pressure in the transfer passage 13 is too low or too high respectively. Fig. 2 shows the compressed air supply valve 51 and the valve 49 to atmosphere arranged in separate casings 41, 39 respectively. The casing 39 has a connection 43 to the atmosphere and is connected at its outer end to the closed circuit of the engine. The casing 41 has connections 45, 47 to the engine and the compressed air supply respectively. The two valves have balancing pistons 67, 69 and are loaded, the one to close and the other to open by springs 61, 63 in opposed plungers adjustable simultaneously in opposite directions by a cam 57 operated by a lever 59. The spring 63 is stronger than the spring 61 and acts against a further spring 65. The valve 51 carries an additional piston 52 slightly larger in diameter than the valve 51 which thus operates to maintain a pressure in the connection 45 which depends only on the spring load. According to the Provisional Specification, springs may surround the valve stems and the leaf-spring may be replaced by a rigid arm, and in another alternative construction the valves are operated by bellcrank levers loaded by spring means in a casing engaging the bell-cranks alternately.
Patent GB-1046645-A (GB)
Title: Process for the manufacture of niobates and tantalates of alkali metals and alkaline earth metals
IPC: C01G35/00
Filed: 1964-06-16
Abstract: Niobates and tantalates of the alkali and the alkaline earth metals are prepared by reacting an alcoholate or phenolate of niobium or tantalum in an anhydrous solution with a hydroxide, an alcoholate, or phenolate of an alkali or alkaline earth metal, and converting the resulting adduct by pyrolysis, with or without preliminary hydrolysis into the corresponding niobate or tantalate.  The molecular ratio of the reactants is preferably 1: 1, and if desired, the adduct may be hydrolysed and then subsequently calcined at a temperature of 400 DEG to 700 DEG  C.  The preferred alcoholates are those of methyl and ethyl alcohol. Niobates and tantalates containing two or more alkali metals or alkaline earth metals may also be produced. These niobates and tantalates may be produced as coatings by immersing an object in a solution of above mentioned adduct and then converting the film by pyrolysis with or without hydrolysis into the niobate or tantalate. The production of sodium niobate, potassium tantalate, sodium tantalate, lithium tantalate, and magnesium niobate is described in the examples.ALSO:An object may be coated with a film of a niobate or tantalate of an alkali or alkaline earth metal by preparing a solution of the adduct produced by mixing an anhydrous solution of an alcoholate or phenolate of niobium or tantalum with a hydroxide, an alcoholate or phenolate of an alkali or alkaline earth metal immersing the object in this solution, retrieving it, drying it, and with or without preliminary hydrolysis, calcining it, preferably at a temperature of 400 to 700 DEG C to give the desired coating.  An example is given illustrating the coating of square of silver with magnesium niobate.  Niobates and tantalates having more than one cation may be produced.
Patent GB-646267-A (GB)
Title: Improvements in or relating to locks for electric light fittings
IPC: H01R33/97
Filed: 1948-09-23
Abstract: 646,267. Lamp-holders. SIMMS MOTOR UNITS, Ltd., and ELLERBECK, N. J. Sept. 23, 1948, No. 24954. [Class 38 (i)] A lamp fitting comprises a bayonet holder 1 with a lamp lock mounted thereon and a casing 2 enclosing the holder and the lock, the casing having an aperture which fits snugly round the lamp cap and an opening 19 through which a releasing member 20 can be inserted to operate the lock to release the lamp 4. One form of lock comprises a bifurcated lever 3 having inturned flanges 16 which engage the lamp pins 18 and pivoting about pins 7 on a split-ring 8 secured to the lampholder 1. The lever 3 is biassed in its locking position by a spring 13. The casing 2, e.g. a reflector, surrounds the holder and is apertured at 19 so that a key 20 may be inserted therein and engage the arm 12 of the lever 3 so as to move the flanges from the pins 18. In a modification, the plate 24 is slidably secured on a base by screws 26 and is attached to a leaf-spring 29 by a flange 28. The plate is apertured to receive the lamp cap 32 and has slots 33, 34 to permit the lamp pins 35 to pass into the holder bayonet slots. The key 20 is applied to the flange 28 to slide the plate and thereby enable the lamp to be released. A hook may replace the key when the plate may have a hole, so that the plate may be pulled against the action of the spring.
Patent GB-481741-A (GB)
Title: Process for recovery of copper from waste liquors of the artificial silk industry
IPC: D01F2/04
Filed: 1936-09-16
Abstract: Copper is recovered as hydroxide from the waste liquors of the cuprammonium artificial silk industry by mixing the spent cupriferous alkaline precipitating bath and the cupriferous acid from the process of removing copper from the fibres in such proportions that the pH of the mixture is between 6 and 8, preferably 6,5 to 7,5, and running the mixture, preferably immediately, into a filter charged with sand or similar material, from the surface of which the flocculated copper hydroxide is removed from time to time, as by back-washing or hand skimming. In an example the spent precipitating bath contains 0,145 grm. Cu and 0,672 grm. ammonia per litre, and the spent acid 7.90 grm. Cu and 66,7 grm. H2SO4 per litre, and the two are mixed in the proportion of 100 : 2,20 by allowing them to flow together.
Patent GB-192118-A (GB)
Title: Improvements in or relating to hydraulic power machines
IPC: F03B17/00
Filed: 1921-09-23
Abstract: 192,118. Lombard, F. H. Sept. 23, 1921. Self-driving machines. - In a self-driving hydraulic machine, water from an overhead tank operates pistons to drive a shaft, the water being pumped back to the tank by a pump operated by the shaft. Each of the pistons has a part A' of square cross-section comprising portions bolted together and having partitions 1 with openings 4, and the portions are separated by partitions 9 having openings 10, the latter being staggered in relation to the openings 4. The pistons are attached to pipes 33 which slide in tubes having admission and exhaust valves B<1>, C<1>, operated by cams on the crank-shaft 17. The pistons are piovided with connecting-rods 16.
Patent GB-975399-A (GB)
Title: Improvements in automatic feed means for book trimming machines or other book-binding machinery
Inventor: BOYD RODERICK
IPC: B26D7/01
Filed: 1960-07-20
Abstract: 975,399. Trimming machines. RICHARD CLAY & CO. Ltd. July 11, 1961 [July 20, 1960], No. 25307/60. Heading B4B. [Also in Division B6] Apparatus for feeding a pile of books (or a single book) to a trimming machine, comprises an endless belt conveyer 2, gates 41 and 42 for passing one pile at a time to a second endless belt conveyer 6, a reciprocating piston 8 for moving the pile up to a side stop 11, and pivoted arms 9 which are swung downwardly to register the pile against a back stop 10, said arms being returned to their initial raised position prior to the back stop being operated to feed the pile beneath the arms and into the machine. The conveyers 2 and 6 are separated by a plate 5 of relatively frictionless material. The piles of books are pushed across the plate 5 by the succeeding piles of the conveyer 2. A clamp 3 is positioned above the plate 5 and is interconnected with the gates, so that when the gates are opened to allow the leading pile to move with the conveyer 6, the clamp is closed to grip the second pile of books and prevent it from moving. Each pile is fed in turn up to a front stop. The latter includes a switch 7 controlling the operation of the piston 8. The piston 8 and arms 9 have brush heads, or carry spring-loaded bars or plungers, respectively. The gates 41 and 42 are pivoted at 43 and interconnected by a bar 44 actuated by a pneumatic piston 48.
Patent GB-333063-A (GB)
Title: Improvements in apparatus for spreading shingle upon roads
IPC: E01C19/20
Filed: 1929-08-20
Abstract: 333,063. Fowler, C. H. and Walker, H. Aug. 20, 1929. Shingle distributers.-In apparatus for spreading shingle on roads comprising a hopper mounted on wheels and having at its base a longitudinal discharge opening, the discharge is controlled by means of several hinged doors each adjusted hv means of a separate hand-operated screwed rod and lever mechanism, and an inclined imperforate tray is reciprocated below the discharge opening. The hinged doors 8 are adjusted by means of bellcrank levers 9, screwed rods 11, and hand-wheels 12, parts of the rods 11 being flexible and parts of the levers bearing against the doors. The tray 14 is carried by link joints 21 and is reciprocated by crank and lever mechanism 20 driven from the road wheel axle by bevel gearing and a clutch. Brake blocks 23 engaging the wheels 2 are carried by a shaft 25 adapted to be rocked by rotating a hand-wheel 24.
Patent GB-1000714-A (GB)
Title: Improvements relating to electric convector heaters
Inventor: ROWLEY FRANCIS JOHN BERNARD
IPC: F24H3/00
Filed: 1963-06-26
Abstract: 1,000,714. Convector heating casings. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. June 18, 1964 [June 26, 1963], No. 25447/63. Heading H5H. A column-type convector has external struts 5 extending from near the top of the casing to beyond the bottom to form supporting feet. The struts 5 are interconnected by cross-tie members 6, 6<SP>1</SP>, top and bottom. The casing comprises four identical sections such as 1d having flanges 8, 3 located in slots in the struts. The inner casing also comprises four sections such as 2d. An openwork guard 13 is provided inside the heater near the top, and a heating element and lamp is mounted on a mesh frame at the bottom.
Patent GB-1177035-A (GB)
Title: Ultracentrifuge
IPC: G01N21/07
Filed: 1968-05-28
Abstract: 1,177,035. Centrifugal separator. CANAL INDUSTRIAL CORP. 28 May, 1968 [16 June, 1967], No. 25482/68. Heading B2P. [Also in Division G2] A system for analysing the spectral absorption characteristics of a specimen in an ultracentrifuge cell along a radial dimension comprises a source 15 emitting a beam of light which is focussed by mirrors 19-22 through a plate 27 having a slit in line with the radial dimension of the all producing a ribbon like beam which then passes through specimen cell 10 in close proximity to plate 27 so that for each revolution of the centrifuge the beam passes from the cell into an optical system consisting of reflecting mirrors 23, 24 and a diffraction grating 29 which produces a continuous absorption spectrum on the photographic plate 16 or viewing screen.
Patent GB-1441272-A (GB)
Title: Seat slide mechanism
IPC: B60N2/08
Filed: 1973-05-29
Abstract: 1441272 Seat slides A N.CHAPMAN Ltd 7 May 1974 [29 May 1973] 25533/73 Heading A4J In a seat slide :mechanism, Figs. 1 and 2, the latch member 14 is pivoted about a vertical pin 21 secured to the seat slide and is engaged with an operating member 15 pivoted about a horizontal pin 16 on the slide, the end of the operating member 15 being provided with a cam slot 22 to engage a projection 23 on the latch 14, movement of the operating member against a spring 18 thereby causing prongs 25 to disengage from a rack of holes 13 in the rail 12. As described with reference to Fig. 8 (not shown) the direction of movement of the operating lever is reversed and the latch member has only two prongs. In both embodiments a similar mechanism is provided on both seat slides, and the operating members are inter-connected by a U-shaped handle 152 passing across the width of the seat. The handle ends have keyhole slots to engage tabs 150 on the operating members and are located by the pins 16 passing through holes. The seat slides may be provided with seat belt anchorage 50 and the latch members 14 strengthened by ribs 26.
Patent GB-485725-A (GB)
Title: Improvements in vertical gas retorts
IPC: C10B27/00
Filed: 1937-09-21
Abstract: 485,725. Withdrawing gas from retorts. WOOD, H. Sept. 21, 1937, No. 25545. Convention date, Sept. 23, 1936. [Class 55 (i)] A vertical retort 3 (shown in part only) is provided with a vertical offtake pipe 13 at each side of the retort communicating with a common collector main 15 so as to enable the suction in the latter to be reduced by halving the thickness of coal through which the gas is drawn. Removable deflector plates 7 are arranged on either side of the charging opening 5, and are provided with hooks 8 and 9 for extending over fittings 10 and 12 respectively.
Patent GB-518749-A (GB)
Title: Improvements in or relating to the polymerisation of olefinic hydrocarbons
IPC: C07C2/18
Filed: 1938-09-01
Abstract: 518,749. Hydrocarbons. RUTHRUFF, R. F. Sept. 1, 1938, No. 25608. [Class 2 (iii)] Olefines are polymerized for instance to liquid gasoline-like products by means of a solid catalyst, the active ingredient of which is mainly copper pyrophosphate. The gases may be first passed over the catalyst at temperatures gradually increasing to a temperature above the optimum reaction temperature, such as 500 ‹F. and when the reaction is active, gradually decreasing to the optimum, such as 325-350‹C. The catalyst may be prepared by precipitation from a copper salt and sodium pyrophosphate in excess, and when another metal salt is used as well, this may be precipitated together with the copper pyrophosphate. In examples (1) a butane-butene mixture containing normal and isobutenes is treated at 325‹F. and 1,400 lb. pressure or at 375-400‹F. ; (2) propylene is treated at 1,400 lb. and 400-425‹F. If a specially high octane product is required the process may be stopped when only the isobutene in a butene-isobutene mixture is polymerized (by limiting the contact time). Example 3 describes the effect of altering the reaction conditions in this manner. Specification 496,267 is referred to.
Patent GB-380589-A (GB)
Title: Improvements in or relating to elastic fluid turbines
IPC: F01D5/22
Filed: 1931-09-12
Abstract: 380,589. Steam turbines. ENGLISH ELECTRIC CO., Ltd., 28, Kingsway, London, and CHITTENDEN, J. P., South Lodge, Westfield, Rugby. Sept. 12, 1931, No. 25661. Drawings to Specification. [Class 110 (iii).] To reduce blade erosion in the low-pressure stages, the intermediate blade stiffeners are tapered in the direction of flow down to a fine knife edge on which only small liquid particles can form.
Patent GB-1006880-A (GB)
Title: Substituted chromonamine complexes
IPC: C07D311/30
Filed: 1962-07-04
Abstract: The invention comprises complexes of formula <FORM:1006880/C2/1> wherein Hal is a halogen atom, R is hydrogen or an alkyl or hydroxyalkyl group having 1 to 4 carbon atoms or the groups R, in combination with the nitrogen atom to which they are attached, form a piperidine, morpholine or pyrrolidine ring, R1 is hydrogen or an alkyl group having 1 to 3 carbon atoms, R2 is an alkyl group having 1 to 3 carbon atoms, an aryl group or an alkoxy-substituted aryl group, R3 is hydrogen or a hydroxy or alkoxy group, n is 1, 2 or 3, and X is oxygen or a direct link, and their preparation by reaction of a cerous halide with the appropriate chromonamine hydrohalide or with the appropriate chromonamine in the presence of a hydrohalic acid. The cerous halide used may be prepared in situ by dissolving cerous carbonate, cerous oxide or a cerite ore in a hydrohalic acid.  The compounds of the invention may be used to increase the oxygen supply to tissues, organs or blood, and may for example be inhaled as aerosols.
Patent GB-1276439-A (GB)
Title: Esters of azabicyclononanol derivatives
IPC: C07D451/14
Filed: 1970-05-28
Abstract: 1276439 Azabicyclononane derivatives TAKABE SEIYAKU CO Ltd 28 May 1970 [8 Oct 1969] 25708/70 Heading C2C Novel compounds I in which R 1 , R 2  and R 3  are alkyl, and R 4  and R 5  are phenyl, cyclohexyl or thienyl and their salts, are prepared by reaction of the 6,6,9-trialkyl-9- aza-bicyclo[3.3.1]nonan-3-ol with a reactive derivative of the acid R 4 (R 5 )C(OH)-COOH. Pharmaceutical compositions for enteral and parenteral administration comprise a compound I together with a suitable excipient and have antiphysostigmine and anti-tremorine actions.
Patent GB-153565-A (GB)
Title: Improvements in sashes for dials
IPC: G04B39/00
Filed: 1920-09-07
Abstract: 153,565. Gilbert Clock Co., W. L., (Assignees of Hyde, C. H.). Nov. 4, 1919, [Convention date]. Void [Published under Sect. 91 of the Act]. Bezels.-Relates to hinged frames or "sashes" for glasses of clock dials and the like, and provides means whereby the glass may be easily removed and replaced, and whereby glasses of different thicknesses may be used. According to the invention, the frame 2, which is hinged to the dial 1, and which receives the glass 11, has three pins 4 extending inwardly from its rim, these pins being adapted to hold in place a ring 5, which rests upon the glass 11 and retains it on the flange 3 of the frame 2. The ring 5 has a flange 7, which is notched at 9, the notches enabling the ring to be inserted under the pins 4 and turned round so that the pins bear on the wedge-shaped sides of the notches, Fig. 3. A radial recess may be formed in the ring 5 at the bottom of one of the notches 9 to facilitate assembling the parts.
Patent GB-645564-A (GB)
Title: Improvements in animal feeding troughs or the like
IPC: A01K5/01
Filed: 1948-10-05
Abstract: 645,564. Animal feeding troughs. CHRIS- sen., W. W., and CHRISTIE, jun., W. W. Oct. 5, 1948, No. 25946. [Class 5(ii)] Animal feeding troughs 1 are pivotally hung on carrier arms 6 whereby they can be swung from a feeding to a filling position. Ropes 10 and winding mechanism 14, with a ratchet and pawl holding device, effect the transfer. A vertical line through the pivot 2 of the arms 6 is tangential to the pulley 11 over which passes the rope 11.
Patent GB-657089-A (GB)
Title: Improvements in or relating to relaxation circuits
Inventor: DAVISON ALAN
IPC: H03K3/06
Filed: 1948-05-06
Abstract: 657,089. Valve circuits. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. May 6, 1948, No. 25951/50. Divided out of 657,063. Drawings to Specification. [Class 40 (vi)] The subject-matter of this Specification is substantially the same as that described in Specification 657,063, but the claims differ.
Patent GB-1011933-A (GB)
Title: Improvements in or relating to lifting jacks
Inventor: WARD HARRY JAMES
IPC: B66F3/12
Filed: 1963-07-01
Abstract: 1,011,933. Lifting jacks. BRITOOL Ltd. July 31, 1964 [July 1, 1963], No. 25982/63. Heading B8J. A lifting jack comprises an inner leg 10 pivoted at 11 to two outer legs 12, 13 connected by a ground-engaging supporting base member 14. At the upper ends of the legs a screw 15 is rotatably mounted in a bearing block pivotally mounted between the outer legs 12, 13. The other end of the screw 15 is threaded through a nut 17 pivotally mounted on the inner leg 10. At the upper end of the inner leg 10 an inverted U-shaped load-engaging bracket 18 is mounted. To lift a car (not shown) the bracket 18 is located below a lifting point and the screw 15 rotated by an operating member 20 until the bracket 18 engages the car. When the weight of the car is on the bracket 18, the base 14 does not move on further rotation of the screw 15 to raise the car: the end of the inner leg 10 which is on the ground being drawn towards the base 14. The operating member 20 may be hexagonal to receive a wheel brace.
Patent GB-186617-A (GB)
Title: Improved alumino-thermic heating cartridges
IPC: C22B5/04
Filed: 1922-09-27
Abstract: 186,617. Hirsch, Kupfer-und Messing- werke Akt.-Ges. Sept. 29, 1921, [Convention date]. Thermo-aluminic mixtures. - A heating cartridge containing a thermo-aluminic mixture has its casing or envelope formed of aluminium or other easily combustible metal or alloy capable of partaking in the chemical reaction when the latter has been initiated. In the process of manufacture the envelope is thinned at one portion so that it may easily be pierced by a pointed tool or by the match used for igniting the mixture.
Patent GB-834188-A (GB)
Title: Improvements in or relating to horticultural frames or cloches
IPC: A01G13/04
Filed: 1958-08-14
Abstract: 834,188. Cloches. PHILLIPS, E. Aug. 14, 1958 [Aug. 16, 1957], No. 26160/58. Class 20(1) [Also in Group XXV] A cloche comprises four panes of a transparent material 1, 2, 3 and 4 held in place by clips 5, 6 and 7 and a rod 8 of springy material passing through apertures 9 in the clips and being hooked around the edges of the cloche. The clips are made of metal and are interchangeable with only a slight modification of the angle to which the various parts of the clip are bent.
Patent GB-1240939-A (GB)
Title: Improvements in and relating to garments
IPC: A41B13/00
Filed: 1969-05-22
Abstract: 1,240,939. One-piece garment. PORON S.A. 22 May, 1969 [10 June, 1968], No. 26217/69. Heading A3V. A one-piece garment of elastic material which, in use, covers the whole of the wearers body and at least some of the wearer's limbs is put on or removed by means of a transverse opening J-K, Fig. 3, at waist level at the back, one of the edges of the opening being provided with an overlapping flap L.
Patent GB-946152-A (GB)
Title: Improvements in and relating to sanitary appliances
IPC: A47K13/02
Filed: 1961-07-20
Abstract: 946,152. Closet seats. LADY W. M. HAMILTON. Aug. 20, 1962 [July 20, 1961], No. 26251/61. Heading E1C. [Also in Division A4] An aseptic device for supporting the weight of a human body comprises an annular resilient spongy member enclosed in an annular resilient bacteria-impervious plastics envelope, the peripheral edge or edges of which are joined together by means which render it, or them, impervious to bacteria. In one form shown (Fig. 5) the envelope 2b comprises two annular flexible members joined at their edges 5b, 6b and completely encloses the spongy member 4b. The envelope 2, 3 (Fig. 2) may enclose a rigid annular member 1, the spongy member 4 being applied to one major surface only thereof. The device may comprise a cushion or it may comprise the seat for a sanitary appliance, e.g. a sanitary closet pan, (as in Fig. 3 or otherwise) commode, bedpan or bidet. The spongy member may be of foamed plastics or latex material. The envelope may be formed from plasticized, thermoplastic material and the edge or edges thereof may be joined together by infra-red or like high-frequency fusion welding.