baber/WOPTO huggingface dataset:
Patent GB-1185638-A (GB)
Title: Fluid Proportioning Devices
Inventor: ENGLAND ALAN GORDON
IPC: B01F15/04
Filed: 1966-06-24
Abstract: 1,185,638. Hydraulic reciprocating pumps and motors. JOSEPH LUCAS (INDUSTRIES) Ltd. May 26, 1967 [June 24, 1966], No.28403/66. Heading F1A. A hydraulic-actuated pump for use in a haemodialysis machine for supplying concentrated dialysate and water in required proportions to the dialyzer, comprises a piston assembly with a motor piston 13, Fig.1, and pump pistons 14, the piston surfaces being maintained out of contact with their corresponding cylinder walls by seals 16 and 17. The motor piston is driven by and proportions the water, and the pump pistons proportion the dialysate. The pump cylinders 12 have inlets 19 and outlets 18 provided with check valves 21. Motor cylinder 11 has connections 23 connecting it to a rotary valve, Fig.2, which alternately connects the ends of the motor cylinder to a source of water under pressure and to a reservoir for receiving the dialysate and the water, the pump outlets also being connected to the reservoir. The rotary valve comprises a rotary plate 34 mounted on a driving shaft 31, and formed with kidney ports 40, 41, which sequentially connect the motor connections to the water supply and the reservoir. The valve plate 34 is biased against the ported face of the valve housing 30 by liquid pressure applied to a piston 37 acting on the valve plate through a glass ball 35. The valve housing has a drain 39.
Patent GB-1123305-A (GB)
Title: A process for the manufacture of benzindenes
IPC: C07D317/72
Filed: 1966-06-24
Abstract: The invention comprises (a) a process for preparing 3a b  - methyl - 3b  - (1 - hydroxy -ethyl)-benz[e] -indene derivatives, including hydrogenated derivatives thereof, by reaction of a 3-oxo-3a b -methyl-benz-[e]-indene derivative, in which any keto groups other than in the 3-position are protected, with ethylidene-triphenyl phosphorono, to form a 3-ethylidene benz-[e]-indene derivative, if desired splitting off any ketone-protecting groups present, reducing any such keto group to an hydroxy group and converting this into its C1- 7 alkyl or 2-tetrahydropyranyl ether, and treating the 3-ethylidene compound so obtained first with a source of hydroboron radicals <F\1> and then, at a pH greater than 7, with hydrogen peroxide, and (b) 3-ethylidene-intermediates of formula <F\2> wherein R1 is a hydrogen atom or a C1- 7 alkyl group and Z is a carbonyl group, a group <FORM:1123305/C2/1> wherein R3 is a C1- 7 alkylene group, or a group <F\4> wherein R2 is a hydrogen atom or a C1- 7 alkyl or 2-tetrahydropyranyl group.  The 3b -hydroxy-ethyl side-chain may be oxidized to a 3b -acetyl side-chain.  3a b ,6(a  or b )-dimethyl-3-oxo-7,7-ethylenedioxy-5a (a  or b )-9ab -9ba -perhydro-benz-[e]-indenes are prepared by ketalization of the corresponding 7-oxo-3-hydroxy-compounds to form the 3-hydroxy-7,7-ethylenedioxy derivatives, followed by oxidation with chromium trioxide.  3a b ,6b  - dimethyl - 3b  - hydroxy - 7 - oxo - 5ab , 9ab ,9ba -perhydrobenz-[e]-indene is prepared by catalytic hydrogenation of the corresponding 5a,6-dehydro-compound. Progesterone and 20-hydroxy-3-oxo-D 4-9b ,10a -pregnane are prepared by condensation of the corresponding des-A-5-oxo-steroid with methyl vinyl ketone.
Patent GB-603615-A (GB)
Title: Improvements in or relating to hair waving apparatus
IPC: A45D6/10
Filed: 1945-10-29
Abstract: 603,615. Hair-curling appliances. SORENSEN, V., and NORWOOD, E. S. Oct. 29, 1945, No: 28581. [Class 131] A hair clamp comprises a trough-like metal shield divided along the centre of the base into two separable halves, the sides of the trough being connected to each other at one end by a strip of resilient metal which permits separation of the two halves, and a catch mechanism for holding the other ends of the trough together when desired. As shown a strip of metal is bent to provide jaws A, A<1> with horizontal portions A3 enclosed in moulded rubber strips B and normally maintained open by an integral resilient connecting part A<2> which is slotted at E to receive one end of a curler rod. Inturned flanges A4, AS receive the other end of the curler rod, the cam C<1> of a two link catch mechanism C, C<2>, pivoted on the lug A<6> projecting from one portion A<3>, engaging a recess in the lug A' on the other portion A<3>. According to the Provisional Specification, the jaws may be made of plastic material.
Patent GB-619981-A (GB)
Title: Apparatus for photographic copying by projection
IPC: G01J1/42
Filed: 1946-09-26
Abstract: 619,981. Photographic projection printing apparatus. COLLEY, A. G. DE Q., and PHOTOTECHNICS, Ltd. Sept. 26, 1946, No. 28769. [Classes 97 (i) and 98 (i)] Apparatus wherein means is provided for determining the intensity of illumination to be used for equal exposure periods with negatives of differing densities comprises a projection lamp and means for projecting the image of material to be copied into a copying field, a time switch controlling the exposure time, means such as a variable resistor 8 for adjusting the intensity of the projected image, an auxiliary light source for producing a predetermined intensity of illumination in the copying field and indicating means for comparing by a null photometric method the predetermined intensity with that of one or more parts of the image, the predetermined intensity being adjusted to a value such that the same intensity may be used for equal exposure periods for records of differing densities. The indicating means may be a translucent diffusing screen 10, having one or more grease spots or lines, interposed, e.g. in the copying plane, between the auxiliary light source and the projection means. In order to extend the range of the means for adjusting the intensity of the projected image, means, e.g. a variable resistor not shown, are provided for varying continuously or in steps the intensity of the auxiliary source. In use, the intensity of the brightest part of the projected image is compared with the predetermined intensity of the auxiliary source, while to assist in judging the kind of printing paper to be used the intensities of the brightest and darkest parts of said image are compared by comparing each with the predetermined intensity.
Patent GB-1160613-A (GB)
Title: Improvements in or relating to Carrier Transmission Systems for Stereo Audio Signals
IPC: H04J1/06
Filed: 1967-06-22
Abstract: 1,160,613. Multiplex carrier system. SIEMENS A.G. 22 June, 1967 [23 June, 1966] No.28855/67. Headings H4L and H4R. In a carrier transmission system for stereophonic signals, the two stereo audio channels are each included in the same primary group of channels of a frequency-division multiplex carrier telephony system as a suppressed carrier single-sideband signal, one of said single sideband signals being transmitted with frequency inversion and the other without frequency inversion, the two frequency bands corresponding to said single-sideband signals being situated symmetrically on opposite sides of the centre frequency of said primary group of channels. This equalizes the transit-time distortion in the two related channels. The system may be arranged so that the audio band in the lower frequency region of the primary group of channels is transmitted with frequency inversion. This ensures that the transit-time distortion, which becomes greater towards the edges of the primary group of channels, is effective only at the higher audio frequencies where it is less objectionable. Pilot frequencies may be transmitted with each channel for purposes of gain control and compandor equipment may be introduced.
Patent GB-266641-A (GB)
Title: Improvements in bottle closures
IPC: B65D39/16
Filed: 1926-11-16
Abstract: 266,641. Manufacturas de Corcho Soc. Anon., and Vincke, E. Nov. 16, 1926. Drawings to Specification. Corks.-A bottle closure consists of a capsule, of tin-plate, aluminium, or other metal, having at a distance from its periphery and arranged vertically to the axis of the capsule, a series of corrugations which are interlocked with a cork by concentrically applied pressure, the upper part of the cork being of cylindrical form to adapt it to fit closely into the interior of the capsule. The tapered portion of the cork may be of barrel, vase or fluted shape.
Patent GB-737476-A (GB)
Title: Improvements in and relating to space heaters
Inventor: HASLEHURST ARTHUR KINDER
IPC: F24C5/08
Filed: 1952-11-18
Abstract: 737,476. Vapour burners. PARAFIRES, Ltd. Nov. 17, 1953 [Nov. 18, 1952; Nov. 18, 1952], Nos. 29078/62 and 29079/52. Class 75 (1). A space heater comprises a burner 14 having a burner chamber comprising perforated walls which are formed of loosely interconnected sections 14a, 14b, 14c, 14d. A U-shaped rim on one section slidably engages a horizontal rim on the adjacent section. The height and length of the chamber are greater than its width. The chamber rests on a wick channel 13 and is surrounded by a shrouding 35 supporting a partcylindrical gauze member 36 which is heated to incandescence by the burner. The ends of the wick channel 13 engage leaf springs on the shrouding. Combustion air enters through openings 37 in the bottom of the shrouding and is deflected from the wick channel by baffles 38. Fuel is fed to the wick channel 13 from a shollaw tray 10 supplied from a tank 11 through a chicken-feed type valve 11a and the flow of fuel from the tray is regulated by a needle valve 15 operated by a shaft 16 carrying a cam 19 which engages a rubbing surface on the tray, rotation of the shaft thus causing vertical displacement of the end of the shaft and the valve 15. The fuel tank is shielded from the burner by a plate 31. A fluted reflector 40A is mounted above the burner. Specification 737,477 is referred to.
Patent GB-378261-A (GB)
Title: Improvements in refrigerators
IPC: F25D23/00
Filed: 1931-10-20
Abstract: 378,261. Refrigerators. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Oct. 20, 1931, No. 29085. Convention date, Oct. 23, 1930. [Class 29.] The cooling chamber a of a domestic refrigerator having recesses for the accommodation of bottles &c. is disposed in a brine tank d and cooled by the evaporation of refrigerant liquid in the spiral passage formed between the outside of the chamber and a corrugated cylinder b secured thereto. The brine tank is arranged in a heat-insulated jacket surrounded by a cylinder o spaced therefrom to form an air shaft and to the inside of which is secured a corrugated cylinder p, forming a spiral refrigerant condenser passage, and a water jacket u cooled by the air draught through the shaft. As shown in Fig. 3, the water jacket u may be dispensed with. The spiral passages are connected both to the compression refrigerating machine n and to each other. An absorption refrigerating machine may be substituted for the compression machine.
Patent GB-630414-A (GB)
Title: Improvements in and connected with the driving bands of shells or projectiles
IPC: F42B14/02
Filed: 1947-11-03
Abstract: 630,414. Making projectiles. TRIGGS, W. W. (Bruns, A. L.). Nov. 3, 1947, No. 29266. [Classes 83 (i) and 83 (ii)] Casting composite articles. A projectile 1 has its driving band cast in situ. The body 1 with a groove 2 and recesses 3 is heated and inserted in a seating 9 of a die 8, an upper die 7, with three arms 10 to rest on the die 8, is then applied and aluminium bronze or other alloy is poured in at 11. The band 6 is finally machined to size. With this method the groove 2 need not be undercut nor so deep as formerly.
Patent GB-324008-A (GB)
Title: Improvements in or relating to anti-vibration mountings for switches such as are used in automatic telephone systems
IPC: H04Q1/04
Filed: 1928-10-11
Abstract: 324,008. Standard Telephones & Cables, Ltd., (Schreiber, L. J. J.). Oct. 11, 1928. Automatic exchange selectors are mounted resiliently on spring members each comprising two helices 3, 4, Figs. 1, 4, oppositely wound so as to oppose one another and thus maintain the selectors in definite position. In the arrangement shown in Fig. 7, the selector is secured to opposite sides of the supporting framework 7 by upper and lower spring members which are respectively of the shapes shown in Figs. 1 and 4, and are fixed to the selector by the loops 2 and to the framework by the eyelets 1. Specification 294,872 is referred to.
Patent GB-504787-A (GB)
Title: A combined coal and gas stove with hot water apparatus
IPC: F24C11/00
Filed: 1937-10-27
Abstract: 504,787. Combined cooking-stoves and water-heaters. HOCKING; A, Oct. 27, 1937, No. 29294. [Classes 75 (i) and 126] [Also in Group XIII] A combined cooking and water-heating apparatus comprises a water-boiler B which can be heated by a gas burner G below it and which acts also as a hot-plate and has an opening L through which the flames from the gas burner can pass to heat a cooking utensil standing on the boiler, an oven which can be heated by a gas burner which also heats a burner B<2> over the burner, and another water boiler B<3> which is heated by a solid fuel fire, the boilers B, B<2>, B<3> being connected by flow and return pipes with a hot-water storage chamber and a. cold-water storage chamber, which chambers are formed in a single tank C by a partition Q which is adjustable so as to vary the capacities of the two chambers. The partition Q, which is hollow or filled with insulating material, is movable by the screwthreaded rod I against the flanges H on the sides of the tank. Openings U, V in the partition allow water to pass from one part of the tank to another. The tank C is supported by the pipes D, D', E, F or by brackets S<1>. The hot-plate burners G are telescopically adjustable both laterally and rearwardly. In another form, the solid-fuel fireplace and its boiler are mounted at the side of the oven. The hot gases therefrom can be passed from the fireplace directly to a flue between the oven and hot-plate, and then down the far side and beneath the oven. Three burners heat the oven boiler, and the hot gases therefrom can pass into the oven through a regulable grating. The hot-plate burner is protected from-the fire gases by a plate arranged in the flue below the hot-plate. The hot-plate burner, Fig. 3, used with this form comprises a tube G<4> which is telescoped horizontally over a tube A<3> by a rod G<2> and a tube C<2> which is rotatable and vertically adjustable on the vertical part of the tube G<4>, the height of the tube C<2> depending' on what part of its stepped edge E<3> rests on the part D<3> of the tube G<4>.
Patent GB-967447-A (GB)
Title: Improvements in or relating to alloys
Inventor: TRACEY VICTOR ALLAN
IPC: C22C1/04
Filed: 1959-08-29
Abstract: Articles are made by pressing and sintering a powder mixture having the following percentage composition by weight: .C.0.005-0.5 .Co.0-35 .Cr.8-25 .Mo.0-10 .W.>5-15 .Ti.1-8 .Al.1-8 .Zr.0-1 .B.0.005-0.5 .Fe.0-20 .Nb.0.1-5 .and/or. .Ta.0.1-5 Ni (not less than 30) the balance. The mixture may be of powdered pre-alloys and the boron may be present as a boride or borides of the other components.  According to the Provisional Specification Nb and Ta may be absent.
Patent GB-676185-A (GB)
Title: Improvements in or relating to electrode supports for electron tubes
IPC: H01J19/42
Filed: 1950-12-05
Abstract: 676,185. Electric discharge apparatus. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Dec. 5, 1950 [Dec. 8, 1949], No. 29704/50. Class 39 (i). An electrode support for electron discharge tubes comprises a bridge member 2 attached to a rigid metallic cap 1 and housing aperture 5 for electrodes 3 and a plate-shaped member 4, having corresponding apertures, which is held in position by friction, the tube being mounted in an upright position. In a second embodiment the plate-shaped member 4 is held in position on the underside of the bridge member 2 by pressure of the grid spiral, Fig. 3 (not shown).
Patent GB-602563-A (GB)
Title: Improvements relating to kettles
IPC: A47J27/21
Filed: 1945-11-07
Abstract: 602,563. Spinning. WILLIAMS, S. G. Nov. 7, 1945, No. 29742. [Class 83 (iv)] [Also in Group XVII] The base-plate 15 of a kettle is secured to the body 1 by the spigot joint illustrated, the lower edge 5 of the rebated rim, which may be chamfered, being spun inwardly after assembly. Heat-resisting cement may be appliedbefore spinning.
Patent GB-657078-A (GB)
Title: Method of forming moulded shapes of calcareous-silicious insulating material
IPC: B28B21/12
Filed: 1948-11-16
Abstract: 657,078. Moulding porous lime-silica articles. TRIGGS, W. W. (Paraffine Cos., Inc.). Nov. 16, 1948, No. 29763. [Classes 22, 70 and 87 (ii)] [Also in Group II] A moulded slab or tube of light-weight porous heat-insulating material is formed by pouring a slurry containing lime and silica into a mould, pre-setting the material by directly heating it in the mould and in addition heating the mould, then after the material is self-supporting, removing it from the mould and curing it. A mould 2 for forming a tube has a space 4 and a hollow core 8 for the circulation of heating fluid. An ejector 11 moves downwards from the top of the mould as it is being filled and simultaneously fingers 12, see Fig. 2 (not shown), move down into the material. The fingers 12 are hollow and are supplied with steam to directly heat the slurry and bring it to the boil, within a minute. The fingers are also reciprocated rapidly by a crank 18 to orientate reinforcing fibres, e.g. asbestos, glass or metallic fibres, longitudinally in the mould. Shortly after the mould is filled, the fingers are moved out of the mould and after about half an hour the moulded article is removed by the ejector 11. The article is then cured in, e.g. an autoclave, and finally dried. The ends of the article may be trimmed: An accelerator such as sodium or potassium hydroxide or silicate; and colouring matter such as iron oxide (Fe 2 O 3 ) may be added to the slurry. The lime may be slaked lime or quicklime, and the silica may be diatomaceous earth, clay, shale, marl granite, sand, puzzolanic materials, moler or pumicite. The water to dry solids ratio may vary from 2 to 8 parts by weight of water to 1 part by weight of dry solids. A preferred composition consists of the following parts by weight :- Raw uncalcined diatomaceous earth 45.0 Dry slaked lime - - - - 38.0 Asbestos fibre - - - - 14.5 Sodium hydroxide (accelerator) - 2.0 Colouring matter [iron oxide (Fe 2 O 3 ] 0.5 Specification 654,367 is referred to.
Patent GB-1146925-A (GB)
Title: Lubricant compositions
Inventor: STRANG AART
IPC: C10M169/00
Filed: 1967-06-28
Abstract: 1,146,925. Preparation of alkylsalicylic acids. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 28 June, 1967, No. 29775/67. Heading C2C. [Also in Division C5] (a) 1 mole of salicylic acid is alkylated at 60-150‹ C. with 2À5 moles of C 14 -C 18  olefins using 1-2 moles of BF 3  as catalyst to yield a mixture of 3-alkyl, of 5-alkyl, and of 3,5- dialkyl salicylic acids; (b) 1À3 moles of para or ortho cresol is alkylated at 100-250‹ C; with 0À5 to 1 mole of C 14 -C 18  olefins using 1-10% w. of acid clay as catalyst and the. alkylphenols formed converted to 3-alkyl-5-methylsalicylic acid or 3- methyl-5-alkyl salicylic acid respectively; (c) 1 mole of phenol is alkylated at 100- 250‹ C. with 2-4 moles of cetene using 1-10% of acid clay as catalyst and the alkylphenols formed converted to a mixture containing 3- cetyl, 5-cetyl, and 3,5-dicetyl salicylic acids. The alkylphenols may be converted to alkylphenates by alcoholic caustic soda and these can be carboxylated with CO 2  at 140‹ C. and 10-30 atmos. The alkylsalicylates formed can be hydrolysed to the acids with 30% sulphuric acid and converted to normal or superbasic calcium salts.
Patent GB-1103837-A (GB)
Title: Improvements in or relating to a watch movement with ringing mechanism
IPC: G04B23/06
Filed: 1965-07-14
Abstract: 1,103,837. Clocks and watches. FABRIQUE D'HORLOGERIE CHS. TISSOT ET FILS S.A. July 14, 1965 [Aug. 7, 1964], No.29815/65. Heading G3T. A repeating alarm clock includes means for adjusting the interval between ringing signals within a range from 0 to 3 hours. The spring barrel 4 drives a wheel 13, Fig. 1 (not shown) which is frictionally coupled to a disc 14 bearing a scale marked from 0 to 24 hours. The wheel and disc are frictionally mounted on a sleeve 26 carrying a pointer 27, the sleeve in turn being frictionally mounted on a shaft 21, 24 bearing a second pointer 28. This shaft is fast with a cam 29 which frictionally engages an alarm winding wheel 31 coupled through a spring disc and ratchet 33, 34 with the wheel 13. The alarm spring 41 is wound through a release wheel 46 from the wheel 31. The two pointers may be set in coincidence to give but one alarm signal, by rotating shaft 21, 24 anti-clockwise until the cam 29 meets a stop 37 on wheel 31. The wheel 46 is then released when the pointers, rotating along with the disc 14, reach a stationary mark (20) Fig. 5 (not shown). This corresponds with the moment when a last tooth 49 on wheel 31 disengages the release wheel 46. The rundown of the alarm spring corresponds to one revolution of this release wheel. After a period the release wheel is re-engaged by a first tooth 50 of the wheel 31 to re-wind the alarm spring. By adjustment of the cam 29 toward a second stop 37a on wheel 31, the pointers may be spaced up to three hours apart. In this case, on release of the wheel 46 when the leading pointer reaches mark 20, the release wheel 46 can make only half a revolution, i. e. until a stop 48 thereon engages the cam surface 51 on cam 29. This cam surface releases the stop 48 when the lagging pointer reaches mark 20 and a second alarm signal is given during the remaining rundown of the alarm spring. The alarm includes disabling means 53.
Patent GB-1000302-A (GB)
Title: End rotary engines
IPC: F01C1/063
Filed: 1961-08-18
Abstract: 1,000,302. Rotary-piston engines. M. C. POTTER. Nov. 19, 1962 [Aug. 18, 1961; Aug. 25, 1962], Nos. 29816/61 and 32726/62. Heading F1F. A rotary-piston I.C. engine of the intermittent-abutment type, comprises a two-part rotatable hollow annular body 11, 18 having grooves 12, 19 containing fixed partitions 13 and a pair of diametrically opposed pistons 14 therebetween, the pistons being coupled to one another by arcuate tie-rods 16 which extend through the partitions in a gas-tight manner and are connected to a rotatable hub 17. Body 11, 18 and hub 17 are coupled to a stationary housing or structure 21 by uni-directional clutches 20, 24 and to a power-output shaft 23 by further uni-directional clutches 22, 25, whereby a four-phase cycle of operations is performed in each of four diametrically-opposed chambers a, b whilst body 11, 18 and pistons 14 simultaneously reciprocate relative to one another and rotate to drive shaft 23. Alternatively, a pair of circumferential spaced discs (Fig. 3, not shown) may be used in place of each partition 13.
Patent GB-929268-A (GB)
Title: Improvements in or relating to apparatus for reproducing frequency modulated signals
Inventor: JAMES IVANHOE JOHN PENFOUND
IPC: H04H20/88
Filed: 1958-09-18
Abstract: 929,268. Binaural systems. ELECTRIC & MUSICAL INDUSTRIES Ltd. Sept. 10, 1959 [Sept. 18, 1958], No. 29844/58. Class 40 (4). [Also in Group XL (c)] A stereophonic receiver for a transmission system of the kind in which the broadcast signal consists of a single audio signal frequency modulating a carrier and a control signal (representative of the sound source position) modulating a subsidiary carrier which in turn modulates the main carrier comprises an F.M. detector 3 to detect the audio signal and subsidiary carrier which are applied across a potentiometer 5 and capacitor 6, the audio signal being derived from the cathode resistor of a cathode follower 7 and the sub-carrier signal (modulated by the control signal) being derived from the tuned circuit 8 and fed to a second F.M. detector 11 which detects the control signal, the latter being multiplied by the audio signal at 12 to provide the stereophonic output signals. The potentiometer allows the amplitude of both the control signal and the audio signal to be adjusted simultaneously. Specification 927,252 is referred to.