baber/WOPTO huggingface dataset:
Patent GB-530062-A (GB)
Title: Improvements in or relating to twist-grip handlebars
IPC: B62M25/04
Filed: 1939-06-15
Abstract: 530,062. Handle-bar control mechanism. SWINBURN, F. R. June 15, 1939, No. 17453. [Class 136 (i)] In twist-grip handle-bar control mechanism for motor-cycles &c. the rotary handle is held in any required setting by two spring-controlled devices, one consisting of an end-thrust spring washer, and the other of a spring-controlled plunger adapted to engage one of a series of peripheral arcuate recesses in the handle or a part associated therewith. A rubber-sheathed rotatable grip 4, 4a is provided at its inner end with a grooved flange or pulley 5, which is mounted in an annular groove 8a in a divided clip 8. secured to the handlebar 7 and is recessed to receive a roller 12 on the end of the inner wire of a Bowden cable 11. An annular spring friction-washer 9 is interposed between the pulley 5 and the wall of the groove 8a on one or both sides. Mounted in the divided clip 8 is a spring-pressed ball or roller 10 adapted to engage one of a series of semi-cylindrical recesses 5a in the periphery of the pulley 5, so as to maintain the rotatable grip positively in any required setting. Specification 486,374 is referred to.
Patent GB-319057-A (GB)
Title: An improved process and apparatus for the preservation of meat
IPC: B65B25/06
Filed: 1928-06-16
Abstract: 319,057. Clement, Sir T., and Clement & Sons, Ltd., A. June 16, 1928. Packing meat. - Sliced meats are prepared for market and preserved by placing them in stacks 17 in containers 16 in a chamber 1 which is then evacuated, the occluded air being thereby removed from the meat. A sealing fluid such as melted fat is next poured over the meat to seal it, the vacuum is broken and the sealing fluid allowed to cool and solidify. Lids or covers are then attached to the containers. The slices may be separated by sheets of grease proof or other paper. The cooling may be obtained by contact with the atmosphere or artificially. To retain the flavour of the meat, the fat of the meat itself is preferably employed as sealing means. In the example given, the containers are inserted on trays 15, Fig. 1, slid into the chamber 1 or carried on a trolley 19, Fig 3, wheeled into the chamber which is then sealed by a closure 6 having a rubber &c. seating and secured by hand screws 8. Evacuation is effected by a hand pump 2 or a power pump connected through a pipe 5 and valves 5<a> with the chamber 1. Melted fat is then sucked into the chamber from a vat 9, which is heated, e.g. by burners 10, through a valve 9<a> a pipe 11 and pipes 12, each having a valve 14. When the containers are filled, which may be observed through one or more windows provided in the container, the supply of fat is cut off and air is admitted through a valve 21 and the containers are removed. The bacon or other meat may be torn off slice by slice, leaving the remainder of the stack preserved. The containers may be made of metal, cardboard or paper.
Patent GB-700031-A (GB)
Title: Improvements in or relating to backstay levers for sailing vessels
IPC: B63B15/02
Filed: 1951-07-24
Abstract: 700,031. Wire strainers. SIMPSON-LAWRENCE, Ltd., and McALLISTER, S. July 23, 1952 [July 24, 1951], No. 17483/51. Class 45 A lever 1 for tightening the backstay wire 10 of a sailing vessel is pivotally mounted in a bracket 2 secured to the deck 3 of the vessel and includes a sheave or sheaves 4 mounted for sliding movement in the lever. The sheave or sheaves are rotatably mounted on a pin 9 which can be positioned in one or other of two pairs of aligned holes 7, 8 in guides 5. The guides are positioned one on each side of the sheave or sheaves in slots 6 in the lever so that they can slide. The alternative hole 7, 8 allow the effective length of the wire 10 to be adjusted and the guides 5 may also be reversed in their slots to allow a finer adjustment.
Patent GB-892381-A (GB)
Title: Improvements in and relating to the preparation of ethylene oxide and catalyst therefor
IPC: B01J23/66
Filed: 1959-05-22
Abstract: An oxidation catalyst comprises catalytically active silver activated with barium carbonate and supported by a carrier comprising ferrosilicon, the latter containing 25-98 wt. per cent Si and optionally small amounts of e.g. Ca, Mg, Al and Ti.ALSO:Ethylene oxide is prepared by oxidation at an elevated temperature of ethylene with oxygen or an oxygen-containing gas, by use of a novel catalyst comprising catalytically active silver activated with barium carbonate and supported by a carrier comprising ferrosilicon, the latter containing 25-98 wt. per cent.  Si and optionally small amounts of, e.g. Ca, Mg, Al and Ti.
Patent GB-1497976-A (GB)
Title: Quaternary ammonium salts of cellulose acetate chloroacylates
IPC: C08B3/16
Filed: 1976-04-30
Abstract: 1497976 Cellulose acetate - chloroacylate quaternary ammonium salts and membranes CHEMICAL SYSTEMS Inc 30 April 1976 [1 May 1975] 17609/76 Heading C3A Cellulose acetate-chloroacylate quaternary ammonium salts, e.g. the chlorobutyrate, chloroacetate or chloroacetate-chlorobutyrate pyridinium salts or quat-ammonium salts of cellulose acetate #-chloropropionate and γ- chlorovalerate which are used to make membranes are prepared by reacting cellulose acetate with the corresponding acyl chloride and then with a pyridinium based tertiary amine. The product is made into a membrane by making a casting solution of the salt in a solvent therefor mixed with a non-solvent liquid therefor and casting the solution to form the membrane.
Patent GB-1365397-A (GB)
Title: Driving circuit for energising the coil of a solenoid
IPC: H01F7/16
Filed: 1972-06-13
Abstract: 1365397 Transistor circuits for switching inductive loads CENTRONICS DATA COMPUTER CORP 13 June 1972 [14 June 1971] 17625/73 Heading H5T The coils of the solenoids of a dot matrix printer of the kind described in Specification 1,365,395 are each energized from a driver circuit wherein an input 51 is connected to an output of a 7 output character generator. When the applied input is low, 51 is held to ground and zero current flows in R4. When it is high, current flows in the same and with diode D 1  backbiased into the base of transistor Q 3  so that current flows through resistor R 3  and the transistor to develop voltage across Zener diode ZD 1  whereby transistors Q 2 , Q 1  operate as emitter followers deriving voltage across R 1 ; resistor R 2  limiting power dissipation in Q 2 . Consequent collector current flows in Q 1  to energize solenoid L 1 . On cut off due to diminution of input, the solenoid current transverse diode D 2  to charge capacitor C 1  which is parallel resonant with the solenoid inductance, and the diode permits  cycle only of the resonant characteristic to develop. The charge bleeds off through resistor R 5  to a predetermined bias level prior to the next discharge, and the resistor is chosen to develop a predetermined time constant. The diodes D 1  of the several driver circuits are common cathode connected to the collector of Q 4 , and when the printer is running relay S 1  is energized to close D 2  and inhibit current through D 3  into base of Q 4 , which is shut off. Diodes D 1  are backbiased so that no drive input can be shunted. When the printer is shut off, the energization of relay S 1  ceases before the driver circuits 50 are de-energized. Contact C 2  opens, and current flows through R 6  and D 3  into the base of Q 4  which saturates, whereby the solenoid drive circuit bases are grounded through unbiased diodes D 1  and no solenoid can then be energized.
Patent GB-497746-A (GB)
Title: Preparation of a complex derivative of gold
IPC: C22B3/26
Filed: 1937-06-24
Abstract: A complex compound of aurous gold is obtained by causing sulphur dioxide to react with a metallic or ammonium salt of hydrobromoauric acid in the presence of a suitable organic solvent containing a limited proportion of water.  Suitable organic solvents are those which are capable of dissolving the bromoaurate used and sufficient water to enable the reaction to proceed at a reasonable speed and which do not decompose the starting materials or the reaction products.  Such solvents include methyl, ethyl, n-propyl, isopropyl and tertiary amyl alcohols, acetone, acetic acid and dioxan.  The reaction product is believed to be hydrobromoaurous acid. Bromoaurates of potassium, ammonium, magnesium and barium may be used as the initial materials.  After the reaction any insoluble salts which form, e.g. potassium bromide or barium sulphate, may be separated by filtration.  The precipitation of such salts may be assisted by heating.
Patent GB-1118866-A (GB)
Title: Improvements in or relating to 6,7-ethylene and 6,7-substituted ethylene steroids of the pregnane series
IPC: C07J5/00
Filed: 1967-04-18
Abstract: Novel steroids of the formula <FORM:1118866/C2/1> wherein Z is an optional D 4-double bond; R1 is H, tetrahydropyranyl, phosphono or alkali metal salts thereof, or acyl; R2 is H, OH or O acyl; R3 is H, a - or b -CH3, a -F, a -OH or a -O acyl; or R2 + R3 is a ,a -methylene dioxy which may be C1- 8 alkyl, aryl or aralkyl substituted; R4 is or F; R5 is keto or H(b -OH, -O acyl or -O tetrahydropyranyl), being keto in D 1,4-compounds; A is H or F; and B is H, F, Cl, CH3 or C6H5; are prepared from the corresponding D 4,6-3-ketones and the appropriate olefins while irradiating with ultraviolet light.  4,5-Ethylene adducts are also formed in this process, and the required products are separated from them chromatographically.  The D 1,4-compounds are prepared by chemical dehydrogenation.  The 3b -ols are prepared by reduction of the 3-ones, and they may subsequently be esterified or etherified.  16,17 and 21-ols may also be esterified and the last-named also etherified. 16,17-Diols may be converted to the corresponding acetals and ketals. 21-Phosphates may be prepared via the 21-mesylates and 21-iodo compounds.  The side chain may be protected by the formation of a 17a ,20;20,21-bismethyl-enedioxy derivative before the process of the invention is effected.  The steroids of the invention, which are stated to have anti-inflammatory activity, may be made up into pharmaceutical compositions with suitable carriers.
Patent GB-1351818-A (GB)
Title: Transport device more especially for screen printing machines
IPC: B41F15/08
Filed: 1971-05-27
Abstract: 1351818 Endless conveyers W KAMMANN- [trading as WERNER KAMMANN] 27 May 1971 [19 June 1970] 17675/71 Heading B8A [Also in Division B6] A device for transporting articles through a screen printing machine comprises a pair of parallel endless conveying chains 10 and 11, each provided with lugs 17 and 18 respectively, the chains being longitudinally adjustable relative to one another such that adjacent lugs (one on each chain) form receptacles 14 of variable size for supporting the ends of the articles. A further pair of chains 12 and 13 is provided for supporting the other ends of the articles in a similar manner. The lugs may be provided with both vertical and inclined surfaces to enable receptacles of varying shapes to be formed. The printed articles are removed from the receptacles by gripping opposite ends between axially movable gripping members 36 which, after gripping an article transport it around the chain wheels 24 to a depositing station below the chains. Axial movement of members 36 is derived from independently driven face cams 39.
Patent GB-565570-A (GB)
Title: Improvements in apparatus for the sizing of yarns
IPC: D02H3/00
Filed: 1943-01-12
Abstract: 565,570. Coating yarns. BESSIERES, J. C. E. Jan. 12, 1943, No. 17684/42. [Class 140] [Also in Group IX] Yarns are sized in their passage from a creel to the beam of a sectional warping machine by means of apparatus in which the yarn passes in succession through a reed D, over a roller A<2> rotating in a size trough A<1> and driven from the warping machine, through a second reed d<2>, and through a drying device, e.g. one in which the yarns are dried by contact with heated gas or air supplied by a fan E<1>. The yarn may pass through a third reed e and over a heated roller E<2> before being wound up on the warping machine. An adjustable tension device d<4> consisting of a pair of horizontal glass rods carried by a pivoted frame, and a guide rod d adjustable in height so as to vary the arc of contact of the yarns on the roller A<2>, may also be provided. The size-trough may be heated. Reference has been directed by the Comptroller to Specification 324,896, [Class 140].
Patent GB-616155-A (GB)
Title: Manufacture of disazo-dyestuffs
IPC: C09B41/00
Filed: 1943-10-27
Abstract: Disazo dyes are obtained by coupling tetrazotised 3 : 31-dihydroxy - 4 : 41-diaminodiphenyl with 2 mols. of an oxynaphthalene free from sulphonic acid groups and preferably from other groups imparting solubility in water, and containing at least one further substituent (especially a further auxochromic group) other than an amino group in peri-position or a hydroxyl group.  The products are suitable for dyeing or printing cellulose fibres, e.g. of cotton or regenerated cellulose, or animal fibres, e.g. wool, silk or leather, and may be treated in substance, in the dyebath or on the fibre, with agents yielding metal, e.g. copper, chromium, iron, nickel or cobalt.  The metal compounds produced in substance may be incorporated in nitrocellulose lacquers, artificial resins and spinning masses.  In examples, tetrazolised 3 : 31 - dihydroxy - 4 : 41 - diaminodiphenyl is coupled with 2 mols. of (1) 1-amino-7 - hydroxynaphthalene, (2) 2 - amino - 7 - or -6-hydroxynaphthalene, (3) 2 : 6 - dihydroxynaphthalene mono - (b  : g  - dihydroxypropyl) ether, (4) 1-naphthol-8-sulphonamide, (5) 2-naphthol-6-sulphonamide, (6) 2-amino-8-hydroxynaphthalene and (7) 2-amino-5-hydroxynaphthalene. In example (2) above the coupling is effected in presence of sodium hydroxide and in the remaining examples in presence of potassium hydroxide.  Coupling in the presence of sodium carbonate, hydroxides of the alkali or alkaline earth group or ammonium hydroxide is referred to.  In example (8), cotton is dyed with the dyestuff of (4) and after-treated in the dye-bath with complex copper sodium tartrate.  As further examples of coupling components aminohydroxynaphthalenes substituted in the amino group, e.g. by alkyl or hydroxyalkyl residues are specified. Specifications 12932/15, 102,881, [both in Class 2 (iii)], 455,274, 468,362, 609,300 and 609,301 are referred to.  The Specification as open to inspection under Sect. 91 comprises also the use of two different coupling components of which only one is of the type defined above.  This subject-matter does not appear in the Specification as accepted.
Patent GB-713340-A (GB)
Title: Improvements relating to power operated presses
IPC: B21D22/00
Filed: 1951-07-27
Abstract: 713,340. Forging-presses. TAYLOR & CHALLEN, Ltd., and CHALLEN, H. D. July 21, 1952 [July 27, 1951], No. 17808/51. Class 83 (4) In a power press o the kind having a pair of dies which co-operate to form a split mould into which a heated billet is placed and wherein recesses or bore are formed in the bille by a main press tool which enters the mould in the main direction of flow of the metal, and one or more subsidiary tools 8 which enter the mould in an opposite and / or transverse direc tion, a vertical slide or slides 5 driven from the main crankshaft, e.g through a connecting rod 7, operates the subsidiary tool or tools through a linkage comprising a plurality of links and eccentrics, whereby the subsidiary tool or tools move into the mould at a speed in excess of the speed of the main tool during the final portion of its inward stroke. The slides 5 are each connected at 10 to a pair of links 11 mounted on crank pins 12 of a rock shaft 13 which has another crank pin 15 connected through a link 16 with a pair of rocker plates 18 pivoted on trunions 19 and connected through a link 22 with a horizontal slide 24 carrying the subsidiary tool 8. During the last “ inch of movement of the main tool the subsidiary tools 'move through 2 inches. Specifications 367,137 and 480,160 are referred to.
Patent GB-1306704-A (GB)
Title: Photo-copying machines
IPC: G03G15/00
Filed: 1970-04-15
Abstract: 1306704 Web detection in photo-copying apparatus RICOH KK 15 April 1970 [6 May 1969] 17860/70 Heading G2A A photo-copying machine has an arrangement for detecting the termination of a roll of photosensitive paper 1 as it is being paid out within the machine, the arrangement comprising a pivotally supported sensing member 7 biased into engagement with the end-face of the roll whereby, when the roll has been completely paid out, the member 7 pivots (clockwise, as seen) under the action of its bias. As shown, the paper 1 is wound on a core 2 having a notch 3 at one end, and the roll is mounted on a shaft 5 having a block 6 with a projection 10 thereof engaging the notch 3 so as to align the notch 3 and the member 7, which is pivotally mounted on the block 6. A lever 9, also pivotally mounted in the block 6, follows the member 7 and is itself followed by an end of a bell-crank 12. Thus when the member 7 pivots clockwise, the lever 9 and the associated end of the bell-crank 12 are free to rise under the biasing force of a spring 18 and the other end of the bell-crank 12 moves a bar 15 to the right, thereby disengaging the actuator 17 of a detection switch 16. This actuates a warning circuit and/or deactuates a device which cuts the roll into separate sheets. The shaft 5 is then removed. Insertion of a fresh roll pivots the member 7 back to the position shown, this causing the bar 15 and other parts also to be returned to the position shown. In another embodiment Fig. 4 (not shown) an arrangement is provided for coreless rolls of photo-sensitive paper.
Patent GB-699932-A (GB)
Title: Improvements in or relating to apparatus for discharging fibrous and like materials from bulk
Inventor: BAKER JAMES MUNDY
IPC: B65G65/00
Filed: 1951-07-30
Abstract: 699,932. Hopper discharges REDLER CONVEYORS, Ltd Oct. 30. 1952 [July 30. 1951] No. 18024/51. Class 78 (i). Discharge from a hopper 10 con taining fibrous material is made through grid bottom 26 by member 21 which rotates as it traverses the bottom of the hopper to discharge material by plucking it through the grid. AS shown, the member 21 is traversed by endless belts 39, 40 driven from motor 70 which is reversed at the ends of the movement ; the motor also driving chain 57 which passes over sprocket 56 fixed to member 21 so as to cause the rotation of the latter. Said rotation may also be caused by rack- and-pinion.
Patent GB-247083-A (GB)
Title: Improvements in furnaces
IPC: F23H11/10
Filed: 1925-07-16
Abstract: 247,083. Reiser, H. July 16, 1925. Roofs. - In a furnace having a mechanical grate and a suspended roof above the grate, air for combustion is heated in a chamber f above the roof c and delivered through spaces between the blocks of the roof to the combustion chamber a and through an exit i to beneath the grate. Air under pressure is admitted to the chamber through the opening h. The air also serves to cool the roof.
Patent GB-292620-A (GB)
Title: Improvements in exhaust silencers for internal combustion and other engines
IPC: F01N13/20
Filed: 1928-06-23
Abstract: 292,620. Wagner, J. June 23, 1928. [A Specification was laid open to inspection under Sect. 91 of the Acts, June 25, 1928]. Exhaust-silencers. - Several constructions of silencer are described in all of which the exhaust gases are passed through a plurality of pipes the discharge ends of which approach one another at an angle of approximately 90‹ in such a manner that the issuing gases impinge outside the silencer with mutual suction effect. An exhaust chamber a, Fig. 2, of rectangular form is provided with rectilinear outlet slits b, a sharp edge being provided at c to divide the gas into streams. Division may also be effected by a stream-lined body d. In a modification a double exhaust pipe leads to the chamber a. In the construction shown in Fig. 4, the gas streams impinge repeatedly and the cross-section of the passages decreases in area towards the outlet end b. The converging passages e, f, Fig 5, may be of different cross-section, and the end of one passage may project into the mouth of the other. In a modification, the passages may be alternately of round and rectangular section. In Fig. 7, a sinuous pipe g of decreasing bore is employed in conjunction with a smaller pipe h in separate parts. A straight pipe i conducts gas from the inlet end to exert a suction effect on the outlet orifices b. In Fig. 10, exhaust is led through pipes m to a straight tube l with lateral outlets k. Part of the gas escapes through a nozzle on the tube l and part through nozzles in the chamber a.
Patent GB-563564-A (GB)
Title: Interference suppressing circuit for radio reception and the like
IPC: H04B1/10
Filed: 1942-12-23
Abstract: 563,564. Wireless receiving apparatus. RUBIN, H. B. Dec. 23, 1942, No. 18261. Convention date, Dec. 3, 1941. [Class 40 (v)] Interference is derived from the incoming signal by rectification and feedback of the modulation components and also of unrectified energy in phase opposition and combined with the incoming signal so as to erase the interference. The Figure shows the arrangement used in an intermediate frequency stage, the interference being derived from energy derived from transformer 24 and applied to the grid 9 of multigrid tube 1. The transformer 24 separates the upper and lower sidebands which are applied to the valves 32, 42 and combined with detected energy from tappings 77, 80 and also unrectified energy through condenser resistance combinations 82, 83 and 86, 87. The outputs are stated to comprise the interference and are combined in transformer 54.
Patent GB-915939-A (GB)
Title: Interlock system
IPC: B01J3/03
Filed: 1959-05-29
Abstract: 915,939. Locking levers. CHICAGO BRIDGE & IRON CO. May 29, 1959 [June 6, 1958], No. 18299/59. Class 80 (3). [Also in Group XXI] An interlocking system 23 suitable for use in an air lock 11 in pressure or vacuum vessels such as nuclear reactor containment vessels, pressure tunnel entrances, altitude test chambers, submarine or astronautical vessels, having doors 14, 15 at each end operated respectively through shafts 28, 30 by levers 18 or 20 and 21, 22 or 19 situated outside and inside the lock so that one door cannot be opened until the other is closed, comprises a pair of discs 29, 31, Fig. 2, mounted on the shafts 28, 30 and having arcuate cut-outs 40, 41 which accommodate the periphery of the adjacent disc; and carrying stops 42, 43 adjacent the cut-outs and abuttable against plates 45, 46 attached to the discs and having grooves to accommodate the stops, so that from the neutral position shown (Fig. 2), with both doors shut, either disc 29 can only be turned in a clockwise direction to open its associated door, the periphery of one disc engaging the cut-out of the other, its stop engaging the groove of the other to prevent clockwise rotation of the other disc to open its associated door until the first door is closed. In a modification. Fig. 7, where more than one turn of the driving members is required, two driving-shafts 52, 53 are geared to two driven shafts 56, 57, respectively, and an interlocking disc 50 mounted on the first driving-shaft 52 co-operates with a disc 55 on the second driven shaft 57, and a disc 51 on the second driving shaft 53 co-operates with a disc 54 on the first driven shaft, so that rotation of the first driving shaft 52 from the neutral position shown causes disc 50 to lock second driven shaft 57 whilst rotating the first driven shaft and similar for the second driving shaft when the first shaft is returned to the neutral position. A pin 62 on the disc 54 engaging an abutment 58 and a pin on the disc 55 similarly engaging an abutment (not shown), determine the direction of rotation of the driven members from the neutral position. The action of throwing one of the operating levers, through chain-and-sprocket drives driven from shaft 28 or 30, controls timing mechanism which controls pressureequalizing valves 16; effects rotation of a locking ring 34 which by means of a cam system 36a and 36b controls the locking and sealing of the doors; and controls a timing mechanism which operates the swinging mechanism 37.