baber/WOPTO huggingface dataset:
Patent GB-708346-A (GB)
Title: Improvements in and relating to pumps or compressors and unloading valves therefor
Inventor: WADE CHARLES EDWARD BENHAM
IPC: F04B49/02
Filed: 1951-05-24
Abstract: 708,346. Reciprocating pumps and compressors. LIGHTFOOT REFRIGERATION CO., Ltd. March 21, 1952 [May 24, 1951], No. 12179/51. Classes 8 (1) and 102 (1). [Also in Group XXIX] Means for unloading a pump or compressor comprises an annular chamber 4 surrounding the cylinder liner 1 and containing an annular piston 5 which is operable by fluid pressure to effect movement of the suction valve 11. The latter is connected through tappet rods 9 to the annular piston which is loaded by springs 12 to bias the suction valve to its open position and is moved by the pressure fluid, which is preferably the lubricating oil of a compressor admitted through a port 16 to release the suction valve. A refrigerant compressor described has four cylinders which may be unloaded together or independently of each other by valve means which control the oil supply to the annular pistons. The valve means comprise a casing 29, Figs. 5, 7, to which the oil is admitted through an inlet 30 and metering orifice 19, Fig. 7, and upon reaching a predetermined pressure it raises a spring-loaded valve 21, by differential action on a piston 24 having a through port 26, and opens communication with passages 31, 32. The latter communicates directly .through an outlet 33, Fig. 5, with the annular pistons of two of the compressor cylinders whilst the oil supply to the other two cylinders is controlled by a pair of valves 35 which are normally biased by springs 40 to open communication between ports 38 in the passage 32 and ports 39 leading to the other compressor cylinders. The valves 70 are loaded by adjustable springs 46 and carry bellows 51 which are loaded externally by the pressure in a chamber 44, communicating with the suction side of the compresser and internally by the pressure within housings 53 which communicate ' with the atmosphere through valves 54. When the suction temperature and hence the suction pressure of the compressor falls, the bellows 51 expand and lower the valves 35 which first close the ports 38 to trap the oil in the annular chambers and finally open ports 69 communicating with the low pressure chamber 44. A manually operated valve 58, Fig. 7, can either override the valves 35 and maintain them in the open position or unload all four cylinders simultaneously.
Patent GB-375482-A (GB)
Title: Improvements in or relating to ice cream cans and the like
IPC: B65D25/24
Filed: 1931-04-27
Abstract: 375,482. Cans. COOK, J. C., 61, Ayscough Street, and RICKETTS, E., 4, Tasburgh Street, both in Grimsby. April 27, 1931, No. 12344. [Class 66.] An enamelled metal can for ice cream &c. is provided with a base block B of indiarubber or other resilient material, held in place in the recessed bottom by being formed with an annular groove C in which engage inturned extensions E of the sides. A protective collar A of similar material is applied to the mouth of the can.
Patent GB-249458-A (GB)
Title: Improvements in rheostats
IPC: H01C3/20
Filed: 1925-05-12
Abstract: 249,458. Whittingham, G. H. March 23, 1925, [Convention date]. Ribbon resistances, cored.-Relates to rheostats as described in Specification 236,898, in which edgewound resistance coils d are mounted on metal bars b provided with short insulating sections c having threads for receiving the coils, and consists in providing the bar with stops 5, 6 offset from one another longitudinally for positioning the sections c. The stops or shoulders may be provided at both ends of the bar and the latter may be covered with a layer of asbestos cemented thereto by silicate of soda before the porcelain sections c, which are channelled to fit the bar, are assembled thereon.
Patent GB-661800-A (GB)
Title: Process for dyeing and printing cellulose esters and ethers
Filed: 1949-05-11
Abstract: Cellulose esters and ethers (including mixtures thereof with natural silk) are dyed or printed by the application of padding baths or printing pastes containing water-soluble acid dyestuffs, the usual diluting and extending agents, at least one salt of thiocyanic acid (e.g. ammonium, sodium, potassium, zinc or barium thiocyanate), urea, thiourea or guanidine as a swelling agent, a volatile aliphatic carboxylic acid (e.g. acetic or formic acid), and an aliphatic hydroxylated compound (e.g. a glycol, such as ethylene glycol, a polyglycol, a glycol or polyglycol ether containing at least one free hydroxy group, such as diethylene glycol monobutyl ether, or a thioglycol, such as ethylene thiodiglycol).  The dyes are fixed on the material by drying, e.g. at 40-50 DEG  C., which is followed by washing with cold water and soaping at 60 DEG  C.  Examples describe the use of certain of the specified assistants with tragacanth thickening and the following dyestuffs: Acid Violet 4BNS, Xylene Fast Green B, Azo Rhodine 2G, Brilliant Sulfon Red B, Xylene Fast Blue AE, Xylene Light Yellow R, Xylene Red B, Xylene Blue AS and Alizarine Light Green GS.
Patent GB-373372-A (GB)
Title: Safety razor with band-shaped blade
IPC: B26B21/26
Filed: 1931-04-29
Abstract: 373,372. Safety razors. SCHMIDT, A., 14, Charlottenstrasse, Lankwitz, Berlin. April 29, 1931, No. 12642. Convention date, Aug. 18, 1930. [Class 30.] A safety razor is provided with a blade in the form of a continuous band 14 which, as the part of the blade in use becomes blunt, is wound on to a take-up reel 12, mounted on one side of the tubular handle 1, from a supply reel 11 mounted on the other side. The combplate 10 over which the blade passes is integral with a tubular part 8 pivoted at 9 in an enlarged bore of the handle 1 so that, after removal of the clamping-plate 7, it can be folded forward away from the blade to facilitate changing the latter. The clamping-plate 7 is integral with a stem 6 which is. screwed, for clamping the blade, into a rotatable stem 2 having an end-grip 4 and prevented from leaving the handle by a pin 16.. The supply reel 11, Fig. 3, comprises a front wall 19 and a rear wall 21, the walls having flanges 22, 23. The inner end of the blade 14 is attached to a conical part on a spindle 13, engaged at one end by a screw 17 having an enlarged head 18 between which and the wall is a helical spring 20. The other end receives a screw 24 having a hand knob 25 pressing on the wall 21 through a presser-plate 26 carrying pins 28 engaging. apertures in the wall. The take-up reel 12, Fig. 4, comprises a rear wall 29 supporting a shaft 15 slotted to receive the blade end and having at one end a hand knob 30 to wind on the blade. The other end receives a headed screw 32. When the blade has been used, the shaft 15 is removed and the blade wound back on the shaft 13 which is removed and a fresh blade inserted.
Patent GB-762467-A (GB)
Title: Pile-surfaced materials
Inventor: EWING HENRY
IPC: D04H11/00
Filed: 1953-05-07
Abstract: 762,467. Pile fabric. BRITISH CELANESE, Ltd. May 5, 1954 [May 7, 1953], No. 12757/53. Drawings to Specification. Class 140. A pile is produced on an adhesive coated web by passing the web continuously in a horizontal direction with the adhesive coating face downwards over a carrier web which is passed parallel thereto in the same direction and which supports a flock of loose fibres, one at least of the webs being of insulating material, said webs being electrified by frictional slipping contact between its outer surface and a rubber, preferably of insulating material of different composition, so as to produce an electric field and to cause the fibres to be projected on to the adhesive surface, and thereafter hardening the adhesive. In a modification the rubber may operate on the outer surface of an auxiliary web of insulating material in contact with or spaced a short distance from the backing web. The rubber may be smooth but is preferably such that contact with the web is made at points rather than over the whole surface, e.g. it may be of fur or pile fabric. The rubber may be stationary, or may be reciprocated or rotated, and may be in the form of a roller or endless band. The web to be rubbed should have a specific resistivity of at least 10<SP>10</SP> ohms per centimetre cube. A long list of insulating materials is specified. Specific combinations of material for the rubbed web and rubber are polyvinyl chloride and fur or synthetic polyamide ; polythene and ebonite; cellulose acetate and cellulose. The pile-forming fibres may be of high resistivity material, e.g. cellulose acetate or cellulose. Adhesives specified are rubber-like copolymers of butadiene with acrylonitrile, di-isocyanate-modified polyesters, polyamides and polyester-polyamides. In the example the adhesive contains methyl ethyl ketone, methyl isobutyl ketone, monoethyl ether of ethylene glycol, the polyester amide produced by polycondensation of adipic acid, ethylene glycol and monoethanolamine and modified by treatment with hexamethylene diisocyanate, an amine-formaldehyde resinforming condensation product, and halogenated naphthol. Specifications 686,101, [Group IV (c)], 697,739 and 738,290 are referred to.
Patent GB-960768-A (GB)
Title: Improvements in load carrying pallets
Inventor: LOBELLE MARCEL JULES ODILON
IPC: B62B3/06
Filed: 1962-04-03
Abstract: 960,768. Load handling pallets; low lift trucks. M. L. AVIATION CO. Ltd. April 3, 1963 [April 3, 1962], No. 12760/62. Heading B8H. A pallet consists of a load platform 2 supported by legs 8, 9 whose ground-engaging ends carry wheels or rollers 10, the legs being retractible by rotation about pivots 6, 7 through the agency of a screw-and-nut mechanism 22, 14. A pair of wheels 8, 9 whose screw-and-nut mechanisms are operated by a common actuating rod 17, is provided on each of two opposite sides of the pallet. Each rod is rotated by a handle attachable at 20 and the oppositely threaded rod portions 22, 23 cause opposite linear movement of their nuts 14 each of which carries a lug 13 engaged with the corresponding leg 8. The wheels or rollers 10 primarily serve to assist the raising of the platform when the legs are extended: if the pallet is required to move on wheels separate detachable wheel units 24, Fig. 1 (not shown), are preferably provided.
Patent GB-1167830-A (GB)
Title: Firearm with Removable Barrel.
IPC: F41A21/48
Filed: 1968-03-15
Abstract: 1,167,830. Firearms. FABRIQUE NATIONALE D'ARMES DE GUERRE S.A. 15 March, 1968 [21 March, 1967], No. 12825/68. Heading F3C. A firearm comprises a receiver 2 which is provided with a socket member 7 having internal and external cylindrical-conical surfaces. The barrel 5 is provided with a cylindrical-conical projection at one end, the projection co-operating with the internal surface of the socket member 7. Forwardly of the projection the barrel 5 is threaded and a nut 10 having an internal cylindrical-conical surface is screwed thereon such that the socket is clamped rigidly between the nut and the projection of the barrel. In the construction shown the cylindrical portion of the socket member 7 has a support 8 housing a strut 9 for mounting a trigger guard 3. The strut 9 is formed with a protrusion 9a which lodges in a longitudinal groove 5d in the projection of the barrel 5. The firearm further comprises a gas conduit 6 and a hand guard 4.
Patent GB-528460-A (GB)
Title: An improved method of and means for starting electric discharge lamps
IPC: H05B41/04
Filed: 1939-04-28
Abstract: 528,460. Supply systems for discharge lamps. HANOVIA, Ltd., and HAEGELE, F. G. A. April 28, 1939, No. 12828. [Class 38 (iv)] [Also in Group XL] A discharge lamp a is started by means of a trans former c, the lamp being con verted for normal operatior direct to the mains b by a switch d which shunts the transformer windings. A resistance f or resistances in series with the primary anc secondary limits the trans. former currents; a switch ir the lead to the resistance f may disconnect the transformer in the lead. A ballast resistance g is arranged between the transformer and source or transformer and lamp. Switches h may be connected with the switch d to close before it, particularly when working on a D.C. supply. The stabilizing impedance may be a resistance, inductance, condenser or combination of these ; it may also be a heater or filament to supplement the light from the lamp a.
Patent GB-912653-A (GB)
Title: Improvements relating to the irradiation of spheroidal bodies
Inventor: MARSHALL DONALD GEORGE
IPC: B29C35/02
Filed: 1958-04-23
Abstract: 912,653. Irradiation of spheroidal bodies. DUNLOP RUBBER CO. Ltd. March 31, 1959 [April 23, 1958], No. 12849/58. Class 98 (1). Spheroidal bodies are subjected to irradiation by rolling them along a track so as to rotate them about at least two symmetrically disposed diametral axes. The application described relates to the curing of the covering material of golf balls. The balls are run along a doublerailed meandering track comprising three straight portions 3, 4, 5, each of which slopes upwards in the direction of travel. These are joined by curved end portions 6, 7 which slope downward in the direction of travel, so that as a ball reaches the end of straight part 3 or 4, it rolls round into the next straight part under gravity. The track is completed by an entry section 14 and an exit section 15, both sloping downwards. The balls are carried along the straight portions of the track by moving belts 13 having upstanding pins 12 which push the balls along. The length, shape, and width apart of the rails forming the end sections 6, 7 are determined so that as the balls roll round them they are rotated so that the rolling axis on the next straight part is at right angles to the rolling axis on the previous straight part. The length of the tracks is also determined in relation to the ball diameter so that in traversing the three straight parts they roll about three mutually perpendicular axes in turn. Alternatively, mechanical means may be provided for rotating the ball axes between each straight part. The irradiation area 16 represents the beam produced by a van de Graaf accelerator having beam scanning electrodes; without such electrodes the larger circular irradiation area 17 is produced. The irradiation may be by X-rays, gamma-rays, high-energy particles, or helium nuclei, produced from such sources as an accelerator, cyclotron, or radioactive material. It is preferred, with golf balls, to use highenergy electrons, since these may be accelerated only to such an energy level that they are all absorbed by the golf ball cover, and do not penetrate to the core. Specification 911,147 is referred to.
Patent GB-125615-A (GB)
Title: Improvements in Photographic Cameras.
IPC: G03B17/42
Filed: 1916-09-12
Abstract: 125,615. Thornton-Pickard Manufacturing Co., Pickard, A. G., and Slinger, F. Sept. 12, 1916. Cameras, roll - film with connected action between shutter and changing-mechanism, - In a roll-film camera having mechanism for simultaneously setting a roller-blind shutter and drawing forward the film after exposure by one operation of a winding-lever, a lever is provided to prevent a backward movement of the winding-lever beyond the normal position at any time, and also forward movement of the winding-lever while the shutter is set; a drum which indicates the number of exposures made may also be provided. The shutter is of known self-capping type and has blinds carried by winding-rollers a<1>, a<2> and spring- controlled rollers a<3>, a<4>, the rollers a<1>, a<2> having pinions b<1>, b<2> engaged respectively by upper and lower co-axial pinions B, B<1>, connected by means of a pin e on the pinion B<1> and a slot b<3> in the pinion B. The shutter is set by means of the winding-lever D which is secured to a mutilated toothed wheel d<1> which operates the pinion B through pinions d<2>, d<3>. The gearing is such that the pinion B turns until the pin c engages the rear end of the slot b<3>, and both pinions B, B<1> then turn until a notch b in a disk secured to the pinion B<1> is engaged by a spring-controlled pawl a. The film-winding spool is secured coaxially to the spindle c, which is co-axial with the wheel d<1>, and is secured to it by a one-way clutch. The winding- lever D has a projection e<3> which engages a projection e<1> on a centrally pivoted lever E to prevent the winding-lever from being turned backwardly from the normal position, in which it is shown. As the winding-lever is turned to set the shutter and wind the film, the pin e comes into engagement with the lever E and turns it against the pull of a spring e<4>, so that just before the winding and shutter-setting action is finished, the projection e<3> engages the bevelled edge e<5> of the projection e' and snaps past the projection e' to become held between it and a second projection e<2> on the lever E. The shutter is released by withdrawing the pawl a from the notch b either by means of the bolt F' and lever F, by means of a projection on the lever D, which depresses a catch connected to the lever F, or by other means, and when it is released, the pin e becomes disengaged from the lever E and permits it to resume the position shown, so that a further winding and filmsetting movement of the lever D may be made. A drum G having numerals on its periphery to indicate the number of exposures made may be operated through a wheel g<1> by a wheel g secured to the spindle c. An additional winding-knob enabling the film to be wound without setting the shutter may be provided.
Patent GB-830212-A (GB)
Title: Improvements in or relating to electron discharge devices
Inventor: LUBSZYNSKI HANS GERHARD
IPC: H01J31/50
Filed: 1955-05-04
Abstract: 830,212. Television pick-up tubes. ELECTRIC & MUSICAL INDUSTRIES Ltd. April 25 1956 [May 4, 1955], No. 12891/55. Class 39(1). An electron discharge device comprises a photo-electric cathode 2 and a target electrode 5 and is provided with an apertured diaphragm 8 between the cathode and the target together with an electron lens between the cathode and the diaphragm which is adapted to reduce the size of the electron image released from the cathode to a small area in the vicinity of the diaphragm and thereafter an image enlarged compared with this small area is projected on to the target, the aperture being of such a size to permit the passage of the reduced image at the same time reducing substantially the passage of light between the cathode and the target electrode. As shown the image is reduced by the field of a coil 10 and enlarged after passing the aperture by the field of a coil 11. An anode 7 may be provided to which the diaphragm 8 may be connected. The target electrode comprises a mosaic with a photosensitive surface scanned by a light beam from a cathode ray tube 12 an electron multiplier 22 also being provided.
Patent GB-627477-A (GB)
Title: Improvements in the manufacture of bricks, tiles, pottery, stoneware and other products of the ceramic industries
IPC: C04B33/13
Filed: 1945-05-24
Abstract: Bricks, pipes, tiles and like products are manufactured from clay or similar material to which has been added before or during mixing 0.05-5 per cent, based on the amount of water used, of a surface-active agent or agents, preferably containing a lubricating agent, thus reducing the amount of water required, facilitating moulding and, if necessary, increasing the foaming tendency.  The added agent may be a sludge produced in the refining of hydrocarbon oils with sulphonating-agents.  The sludge may have been neutralized before use and may have been extracted with solvents which dissolve the sulphonated hydrocarbons, e.g. alcohols, solvents for both the sulphonated and unsulphonated components, e.g. chloroform and the like, or solvents which will not dissolve saturated aliphatic hydrocarbons, e.g. diluted methylated spirit.  Antifoaming-agents such as multivalent metals, salts, alcohols, waxes, fats, or oils may also be added.  The Provisional Specification describes also the reduction of the water-absorption of the finished product by coating the articles with a plastic clay before baking or by coating the burnt article with a water repellent such as an alginate, an emulsion of a water-insoluble stearate or sulphonate, or a solution of aluminium sulphate or an alum.
Patent GB-774160-A (GB)
Title: Domino game
IPC: A63F9/20
Filed: 1955-05-05
Abstract: 774,160. Dominoes for teaching arithmetic. MICHEL, [nee CEILLIER], V. May 5, 1955 [May 5, 1954], No. 13039/55. Classes 132(2) and 146(2). Conventional dominoes are marked at their middle part with a + or - sign so that the next domino to be played has to have a bed equal in value to the sum or difference of the values of the beds of the preceding domino.
Patent GB-935832-A (GB)
Title: Improvements in or relating to annealing furnaces
Inventor: TURPIN GEOFFREY EDGAR
IPC: C21D9/673
Filed: 1959-04-17
Abstract: 935,832. Bell - type annealing furnaces. STEEL CO. OF WALES Ltd. July 18, 1960 [April 17, 1959], No. 13071/59. Class 51 (2). In a forced convection belltype annealing furnace, a scoop 6 is mounted in one or more of the gas passages 2 formed in a combined charge support and diffuser 1 to direct gas from the fan 5 through a radially disposed duct 7 on to the fan shaft near the support base 4. The scoop comprises a roof plate 8 welded to the outer wall of a gas passage, a flow-plate 9 and a side plate 10 defining a duet which turns downwardly along said wall and then radially and inwardly into the duct 7. A fin 11 projecting outwardly from the side plate 10 has a portion 11a inclined downwardly towards the duct 7 to help divert some of the gas. The scoop narrows in width in a downstream direction.
Patent GB-472667-A (GB)
Title: Improvements in or relating to tongs for hanging bananas and the like
IPC: B25J1/04
Filed: 1936-05-08
Abstract: 472,667. Tongs. WUILLE & CO., Ltd., D. (Soderholm, H.) May 8, 1936, No. 13090. [Class 61 (ii)] A device for hanging up banana bunches, &c. comprises tongs a made from a length of wire bent upon itself at g and having the extremities of the legs b bent at c at an angle of about 45‹ out of the plane of the legs and formed with semi-circular jaws b<1>, the extreme ends d of which are bent at d<1> so as to penetrate the stalk. The jaws are held closed by a sliding ring f engaging bends e on the legs.
Patent GB-131593-A (GB)
IPC: F28B1/02
Abstract: 131,593. Ehrhart, R. N. Aug. 21, 1918, [Convention date]. Straight tubes between headers.-In a surface condenser of shallow design, the tubes are divided into groups A, B, C, separated by vertical partitions 11, 13, and having inclined partitions below them, formed by extensions of the partitions 11, 13 and by a separate partition 15 attached to the side wall 2. Converging free steam spaces 17 are left between the tubes and the partitions and a free space 9 above the tubes, communicating with the steam inlet 5. The condensate flows down the inclined partition and falls in cascade over their edges. The air-withdrawal port 7 is located so that the air is drawn through the cascades. Passages 18 between the partitions and the nests of tubes serve for the passage of steam directly through the cascades to heat the condensate.
Patent GB-1429948-A (GB)
Title: Process for preparing a cyclohexadienone
IPC: B01J31/22
Filed: 1973-03-19
Abstract: 1429948 Cyclohexdienone derivative TEIJIN Ltd 19 March 1973 [25 March 1972 30 March 1972] 13159/73 Heading C2C 4 - Hydroxy - 2,4,6 - trimethyl - 2,5-cyclohexadien-1-one is prepared by reacting at -20 to +200C. 2,4,6-trimethylphenol or a salt thereof with molecular oxygen or a molecular oxygen-containing gas, the oxygen partial pressure being at least 0À1 kg./cm.<SP>2</SP>. The process is preferably carried out at an oxygen-pressure or 0À2 to 1000 kg./cm.<SP>2</SP> and a temperature of 20 to 100 C. in the presence of an inert liquid, e.g. water or a water-containing organic liquid, having a pH of at least 5, and a buffer, e.g. a cobalt complex.