baber/WOPTO huggingface dataset:
Patent GB-855976-A (GB)
Title: Improvements in spectacles
IPC: G02C5/22
Filed: 1958-06-30
Abstract: 855,976. Spectacle hinges. NEWBOLD & CO. Ltd., and NAPPER, J. W. June 19, 1959 [June 30, 1958], No. 20900/58. Class 97(1) Sprung hinge-joints automatically open spectacle-sides when the constraining pressure of pocket or spectacle-case is released. Referring to Fig. 1, each hinge, 4, has a coil spring around its pivot so as to open the spectacle sides to a position shown by 5 at which position sprung plungers 9 housed in the extremities of the spectacle-sides adjacent to the hinges engage the frame constraining further opening and holding the spectacle-sides firmly against the wearer's head. Additional retention is obtained by serrating the inward-facing surfaces of the spectacle-sides the latter also being suitably shaped to facilitate the placing of the spectacles in position on the head.
Patent GB-701265-A (GB)
Title: Improvements in solid fuel combustion apparatus
Inventor: TINLEY ERNEST LAMBERT
IPC: F23J1/06
Filed: 1950-08-24
Abstract: 701,265. Combustion apparatus. BIGWOOD & SON, Ltd., J. Aug. 23, 1951 [Aug. 24, 1950], No. 20930/50. Class 51 (1). [Also in Group XI] Solid fuel combustion apparatus of the type in which combustion is effected by downwardly directing jets of air on to the free surface of the fuel in the combustion chamber wherein the bottom part of the chamber is provided with a slide member which is movable thereacross to remove ash or clinker therefrom. As shown fuel is fed from a normally sealed hopper 12 by gravity to a box-like combustion chamber 10 the walls and top of which are lined with refractory 16 and in the top of which is an air jet 17 supplied from a blower 18. The base of the chamber is formed with a sump 19 in one wall of which is an opening 21 to which is connected a guide tube 22 and in the opposite wall of which is an opening 23 through which clinker and ash can be pushed by fingers 24 mounted on a slide 25 reciprocating in the tube 22. The slide is connected to a pair of screw rods 26, 27 mounted on each of which is a sprocket wheel 28 free to rotate but prevented from axial movement. An electric motor 33 driving through a sprocket 34 and chain 35 causes rotation of the sprockets 28 and hence horizontal movement of the screw rods 26, 27 and slide 25. Automatic reciprocation of the slide 25 is effected by a bracket 36 on the rod 26 operating limit switches 37 at each end of the motion. The motor 33 may be switched on from time to time either manually or automatically by means of a time switch The combustion chamber may be provided with hollow sides and top for cooling liquid and in central heating apparatus the liquid may be added to that heated in the boiler. To facilitate ignition of the fuel paraffin may be directed to the sloping fuel bank beneath the air jet. A thermostat may regulate the supply of air to the jet. Specification 579,324 is referred to.
Patent GB-264750-A (GB)
Title: Improvements in printer's line-up tables
IPC: G03F9/00
Filed: 1926-08-25
Abstract: 264,750. West, J. Aug. 25, 1926. Gauges.-Relates to tables for inspecting proof-sheets in order to determine the alignment thereof. The table is provided with a transparent top 21, Fig. 1, illuminated from below by electric lamps 22, with sheet stops and grippers at one side, and with two aligning-bars 49, 63 movable at right-angles to each other across the table. The combined sheet stops and grippers are mounted in frames 24, adapted to slide on a rail 23, and having flanges 23', Fig. 11, engaging a groove in the rail, and spring plates 35 bearing on the opposite side of the rail. A stop-finger 28 and a gripper-finger 29 are pivoted in each frame 24, the stop-finger being held down on the table and the gripper-finger held in raised position by a spring 31. A cam, operated by a hand-lever, serves to depress the gripper-finger on to the table. A side-gauge 36 is adapted to slide on the rail 23, and is normally held at right-angles to the line joining the sheet-stops. A pointer 39 on the gauge co-operates with a scale 39'. The aligning-bar 49 is movable transversely across the table by means of gears 50, mounted on a shaft 52 and engaging racks 51. The bar is provided with a hand-piece 54, and with pointers 55 moving over scales 56. The second aligning-bar 63 is similarly guided by gears 65, mounted on a shaft 66 and engaging racks 68. The shafts 52, 66 can be locked against rotation by means of clamp-screws 98. The proof-sheet is aligned at the left-hand edge against the gauge 36, and its forward edge is positioned against the stops 28 and clamped by the grippers 29. The aligning- bars are then moved across the sheet to determine the alignment of the printed units thereon. To enable lines to be ruled on the proof-sheet if required, a marker, in the form of a pencil or pen 81, Fig. 6, is mounted in a carriage 75 travelling by means of rollers on a track 77 on the aligning-bar. The pencil-holder 80 is pivoted tq the carriage, and is held by a spring with the pencil-point against the edge of the aligning-bar. The carriage can be depressed against spring pressure to bring the pencil into contact with the paper. Each aligning-bar can be raised from the paper by means of a lever 106, Fig. 8, having a finger-piece 108, and a roller 107, which bears on a track 103.
Patent GB-463163-A (GB)
Title: Manufacture of new esters of polynuclear cyclic oxyketones
IPC: C07J1/00
Filed: 1936-07-29
Abstract: Esters of saturated or unsaturated oxy-ketones of the type of androstanol-(17)-one-(3) which form water-soluble salts are prepared by treating the oxy-ketones with acylating agents which contain in addition to the acylating group, a group capable of salt formation or a group convertible thereto.  Suitable acylating agents are, for example, acid chlorides and acid anhydrides of dibasic acids such as succinic, phthalic or maleic acid, also chloro sulphonic acid and phosphorus oxy-chloride.  Oxy-ketones mentioned are androstanol-(17)-one-(3) 17 - methyl - androstanol - (17) - one - (3), D  <4 : 5> - androstenol-(17)-one-(3) and D  <4 : 5>-17-methylandrostenol-(17)-one-(3), and their stereo-isomerides. The esterification may be conducted with or without a condensing agent, and in the former case pyridine, quinoline or a dialkylaniline may be used.  In an example D <4  > : 5-androstenol-(17)-one-(3), succinic anhydride and pyridine are heated together and extracted with sodium-carbonate.  On acidification, the succinic acid ester of D <4 :  > 5-androstenol-(17)-one-(3) is precipitated.  It exists in dimorphous forms which melt at 182--184 DEG  C. and 191--193 DEG  C. respectively.
Patent GB-1476763-A (GB)
Title: Process for cracking hydrocarbons
IPC: B01J10/00
Filed: 1974-05-13
Abstract: 1476763 Cracking hydrocarbons UNION CARBIDE CORP 13 May 1974 21006/74 Heading C5E In a process for cracking hydrocarbon feedstocks comprising introducing a mixture of feedstocks and hot gas into a reactor in which cracking temperatures are maintained, quenching the effluent from the reactor and recovering the products of cracking, the reactor comprises: (I) a cylindrical chamber 10 having first and second end closures 4, 7, closure 7 having a central orifice 6; (II) at least one inlet feed chamber 3 open at both ends and passing through the cylindrical wall 8 of chamber 10, one end of the feed chamber 3 being disposed at the wall 8 in such a way that the feedstock passing therethrough flows tangentially to the inner surface of chamber 10; and (III) at least one tube 5 having one end connected to chamber 10 about the orifice 6 so as to be in open communication with chamber 10, the dimensions of the chambers 3, 10 and tube 5 being such that (a) chamber 10 has a length b to diameter a ratio of 0À01-1 : 1, (b) the ratio of the equivalent diameter of the orifice 6 to the equivalent diameter c of the tube 5 is from 1 : 1 to 0À1 : 1, (c) tube 5 has a length d to equivalent diameter c ratio of 5 : 1 to 200 : 1, and (d) the ratio of the volume of chamber 10 to the volume of tube 5 is from 0À01 : 1 to about 5 : 1. (Equivalent diameter is defined as In the example, naphtha is cracked using superheated steam as the hot gas to give a product comprising ethylene (35À4%), propylene (14À1%) and methane (11À6%).
Patent GB-279367-A (GB)
Title: Improvements in davits
IPC: B63B23/04
Filed: 1927-08-10
Abstract: 279,367. Babcock & Wilcox, Ltd., and Hollick, F. W. Aug. 10, 1927. Davit.-A davit of the quadrant type in which the rocker bases roll on inclined tracks has cams and cam followers ensuring that the rocker bases are held on the track in all positions of the davit. The quadrant bases 2 are provided with flanges 3 fitted with spaced tread blocks 4 which roll on inclined roll tracks 5 fitted with spaced tread blocks 6. The tracks are supported by brackets 7 which carry cam tracks 8, 9 with which cooperate studs 10, 11 on the quadrant. The falls connected to the boat 21 are trained over pulleys 12 on the davit's head and are lead to a common drum. A second boat is supported from the davit heads hy ropes 22 and is dealt with after the first has been launched. The jibs, which when inboard rest against angle lugs 35 on the brackets 7, are secured by latches 27 which are operated by linkwork from a handle 29.
Patent GB-578990-A (GB)
Title: Invention relating to the detonation of aircraft or other long-delay bombs
IPC: F42C19/06
Filed: 1937-07-30
Abstract: 578,990. Delay action bombs. CLARKSON, G. T. July 30, 1937, No. 21146. [Class 9(i)] A time bomb is detonated if disturbed, during the delay interval after dropping or placing, by providing a balance wheel a with a member m which engages either of the electric contacts k to close the firing circuit through the detonator n when the wheel oscillates against the action of a spring c due to the disturbance., A delay switch o of known type prevents current flowing in the firing circuit until all movements of the bomb and oscillations of the balance wheel due to dropping or placing the bomb have ceased. Two or three balance wheels in planes at right angles to one another may be provided.
Patent GB-276004-A (GB)
Title: Improvements in and relating to rakes
IPC: A01D7/10
Filed: 1927-08-11
Abstract: 276,004. Thompson, O. W. Aug. 11, 1926, [Convention date]. Pivoted bifurcated handles; fixing by sockets of special forms with pin securing devices.- A selfclearing rake comprises a bail 15 having inwardly disposed journals 19 at its ends, a tubular rake head 10 mounted on the journals and provided with teeth 11, means for limiting the rotation of the rake head, a coiled spring 22 arranged within the rake bead and connected to it and to one of the journals 19, and a handle 14 secured to a shank 16 of the bail 15. The handle 14 is slotted to receive the shank 16 and provided with a ferrule 17. The shank is in the form of a loop and is secured by a pin 18 passing through the handle 14 and ferrule 17. Each journal 19 is provided with a slot 20 to receive a tooth 11, by which the head 10 is held in place and its rotation limited. The head is normally held with the teeth in operative position by the spring 22 connected at one end to one of the journals 19 and at the other to a plug 23 secured within the head by one of the teeth 11.
Patent GB-1471932-A (GB)
Title: Tank for removal of moisture from compressed gases passing therethrough
IPC: F16T1/14
Filed: 1974-05-14
Abstract: 1471932 Demoisturizing compressed gases ROYAL INDUSTRIES Inc 14 May 1974 [31 May 1973] 21208/74 Addition to 1387352  Heading F1N [Also in Division F2] A tank 10 for separating moisture from compressed gas as disclosed in Specification 1387352 has valve means for discharging the moisture collected at the bottom of the tank shell 11, the valve means having a major body portion thereof formed integral with one end 12 of the shell so that the hot gas maintains the valve means at a workable temperature whatever the external temperature is. When a shuttle valve Fig. 3 (not shown), is operated by a brake line or compressor/governor system in a car, fluid-pressure is transmitted via passage 27 to the underside of diaphragm 25 which engages a plunger 23 which is thus moved upwards to uncover aperture 20A between chambers 20S and 20P. Due to the higher pressure within the tank shell moisture is pushed up through conduit 22 into chamber 20S and then via aperture 20A and holes 23DA into chamber 20P. Upon the termination of fluid-pressure supply to the diaphragm 25, the valve means assumes again the position of Fig. 2 whereby moisture in chamber 20P drains past head 23H of plunger 23 and out through tube 26D to atmosphere. Tube 26D may be used to raise plunger 23 and thus give optional manual operation of the valve means.
Patent GB-531419-A (GB)
Title: Improved driving means for the batch roller of jigger dyeing apparatus
IPC: D06B3/32
Filed: 1939-07-21
Abstract: 531,419. Winding webs. BRITISH THOMSONHOUSTON CO., Ltd. July 21, 1939, No. 21228. Convention date, July 23, 1938. [Class 100 (i)] The batch rollers 1, 2' of a jigger dyeing apparatus are driver from a common motor having a rotatable stator E connected by gearing 8 to one batch roller and a rotatable rotor 6 geared to the other batch roller. Brakes 10, 11 are provided for the rollers, the brake being disconnected from the roller on which the material is, for the time - being, being wound. A reversing switch 13 is provided for the motor.
Patent GB-239204-A (GB)
Title: Improvements in wrapping means
IPC: B65B11/54
Filed: 1925-08-25
Abstract: 239,204. Lauenstein & Co., Ges. Aug. 29, 1924, [Convention date]. Packeting by wrapping-up.-Relates to apparatus for wrapping sweets or other soft and irregularly shaped articles in flexible wrappers, such as metal foil. The article 15 is fed vertically upwards on a plunger 14 through apertures 18 in guide plates 16, between which the foil &c. wrapper 17 is disposed. This effects a preliminary folding down of the wrapper on to the sides of the article. The continued rise of the plunger carries the article and wrapper between two pairs of rollers 2, 1 having bristle, sponge rubber, or like resilient surfaces. The pairs of rollers are angularly disposed and are mounted so as to yield against the action of springs during the passage of the article. The rollers are rotated in the opposite direction to the advancing article so as to apply the foil &c. closely to the sides. After having passed the rollers, the downwardly projecting edges of the wrapper are folded in by known means. In a modification, Fig. 5, the rollers 19, 22 have a longitudinal section corresponding to the shape of the article to be wrapped, and are composed of a plurality of resilient discs 20 secured upon shafts which may be yieldingly journaled.
Patent GB-812767-A (GB)
Title: Improvements in or relating to receptacles for holding slides
IPC: G03B21/54
Filed: 1956-07-11
Abstract: 812,767. Filing transparencies and like slides. PATERSON, D. M. May 31, 1957 [July 11, 1956J, No. 21457/56. Class 146(1) A receptacle for slides or the like comprises a plurality of pairs of substantially parallel guides, each pair being arranged to receive a slide or the like; the spaces between the pairs of guides having stops to limit the inward movement of the slides into the guide spaces and the stops in successive guide spaces being at opposite ends of said spaces. As shown a box 10 comprises sides 11, 12 and ends 13, 14 with opposed openings 20, 21 closed by lids 15, 16 each hinged to side 11 at 17 and fastened by latches 18 and buttons 19, a handle 22 for carrying being provided. Inside the box, pairs of guides 26, 27 are provided each side of a partition 25 and extending from one opening 20 to the other 21, pairs of guides 29 extending from the opening 21 to the opening 20, the space 30 formed between adjacent pairs being closed by a stop 32, the opening 31 to space 30 being wider than the stop 32 to assist insertion of a slide 28. The stop 32 is a flat bar, on which an index may be entered, set at an angle to lead into space 30 and it has a reinforcing rib 33. The main part of box 10 is preferably formed in one piece with the partition 25, guides 26, 27 and 29 and stop bar 32 by a moulding operation from a synthetic resin material. The size of the parts is such that the slides 28 extend proud of the spaces 30 into recesses in the lids 15, 16 so that they are held in position thereby.
Patent GB-1147092-A (GB)
Title: Water-cooled plate moulds for continuous casting
IPC: B22D11/043
Filed: 1967-05-09
Abstract: 1,147,092. Continuous casting moulds. MANNESMANN A.G. 9 May, 1967 [10 May, 1966], No. 21495/67. Heading B3F. A water cooled continuous casting mould comprises a cavity forming portion constituted by side and end plates 1 and an external supporting frame, stiffening ribs 2 welded to the external surface of the plates so as to be located between the plates and the supporting frame, supporting elements 3 located between the ribs and welded thereto and which are secured at their ends to the supporting frame by screws 4. The supporting elements 3 are spaced from the plate members 1 to form cavities 6 for the passage of coolant. A screw 5 may be positioned intermediate the ends of the supporting elements to promote further rigidity of the mould structure. The interior casting surface of the mould may be straight or curved.
Patent GB-886040-A (GB)
Title: New steroid esters
IPC: C07J5/00
Filed: 1959-06-23
Abstract: The invention comprises the 21-hemidiglycollates of 3 : 20- dioxo-21-hydroxy-pregnane compounds, unsaturated in ring A, of the formula HOOC-(CH2-O-CH2)n-COOR wherein R is the steroid radical and n is an integer from 1 to 10, and salts thereof.  They are prepared from the appropriate diglycollic acid or a derivative, such as a halide, ester, anhydride or salt thereof, and the appropriate steroid or a reactive functional 21-derivative thereof, e.g. a hydrohalic acid ester, in the presence or absence of a diluent and/or condensing agent. Reference is made to esters of cortisone and cortisol and the corresponding 1-dehydro compounds which may or may not contain 6a -methyl, 6a -chloro, 6a -fluoro, 9a -fluoro, 16a -hydroxy, 16a -methyl or 16b -methyl substituents, corticosterone, deoxycorticosterone, aldosterone and 1-dehydroaldosterone with diglycollic acid, ethylene-bis-glycollic acid and the acid derived from polyethylene glycol of average molecular weight 500, and to alkali metal salts and salts with mono-, di- and tri-ethanolamine, dibenzylethylene diamine, ephedrine and a -1-phenyl-2-methyl-aminopropane.  Numerous examples are given. Ethylene-bis-glycolic acid anhydride is prepared by refluxing the acid with acetyl chloride and hydrogen chloride. Polyethyleneglycol - "500" - o  : o 1-dicarboxylic acid anhydride is prepared by oxidizing, for example with nitric acid and ammonium vanadate, polyethylene glycol of average molecular weight 500 and then reacting the resulting polyethyleneglycol-"500"-o  : o 1-dicarboxylic acid with acetyl chloride or acetic anhydride.ALSO:Pharmaceutical compositions comprise a 21-hemidiglycollate of a 3 : 20-dioxo-21-hydroxy-pregnane compound, unsaturated in ring A, of the formula HOOC-(CH2-O-CH2)n-COOR wherein R is the steroid radical and n is an integer from 1 to 10, or a salt thereof, in admixture or conjunction with a pharmaceutical carrier.  They may take the form of tablets, ampoules containing an oily or an aqueous solution, dragees, solutions, suspensions or emulsions.  Dry and wet ampoules containing the sodium salt of prednisolone-21-hemidiglycollate are described. Salts with other alkali metals and with amines also are referred to.
Patent GB-748790-A (GB)
Title: An improved fire guard
IPC: A47G5/04
Filed: 1953-08-05
Abstract: 748,790. Fireguards. DANIELS, A. Sept. 21, 1954 [Aug. 5, 1953], No. 21569/53. Class 126. A fireguard having hook-like members for engaging rigid parts of the fireplace whereby the guard may be retained securely in position is characterised by at least one such member adapted to engage downwardly over the front edge of the firegrate and at least one such member adapted to engage upwardly behind the inner face of the fireplace, canopy or chimney front. The fireguard shown, comprising a cage-like structure partially lined with mesh 15, is connected to a fireplace opening by a pair of adjustable hook-like members 16, 16a, which engage the fireplace fret and a member 27 which engages behind the chimney front. The members 16, 16a, are of suitably bent metal strip and are each clamped to the guard by two washer and screw connections 18, 19. The member 27 is pivotally mounted on the guard being secured to one end of a spindle 25 which is rotatably mounted in bearing provided by a suitably shaped and apertured strap member 22 attached to wire members of the guard. The member 27 is prevented from being turned manually When in its vertical position by the engagement with a flat 29 on the spindle 25 of a screw 28 carried by the strap 22. The lower front part of the guard may be provided with an aperture large enough to admit a hand. This aperture may be provided with a pivotable closure.
Patent GB-460504-A (GB)
Title: Improvements in or relating to rotation mechanisms for rock drills
IPC: E21B6/06
Filed: 1936-08-05
Abstract: 460,504. Rock - drills. MOSS, E. W. (Ingersoll-Rand Co.) Aug. 5, 1936, No. 21570. [Class 124] The pawls 53 of a ratchet twist mechanism are pressed out against the ratchet ring by line air pressure supplied by the passage 56, the pawls being parallel bodied and rectangular in crosssection. When it is desired to prevent rotation of the drill steel valve 58 is turned to connect passage 64 (which was previously open to the atmosphere) with passage 56. Thus, line air is admitted to force the pawls inwardly out of contact with the ratchet ring. Valve 43 controls the fluid supply to the distributing valve 37.