baber/WOPTO huggingface dataset:
Patent GB-305995-A (GB)
Title: An improved animal gagging appliance
IPC: A61D15/00
Filed: 1929-02-12
Abstract: 305,995. MacLean, W. G. Feb. 13, 1928, [Convention date]. Forceps; gagging appliances .-Tongs for clamping and opening an animal's jaws comprise pivoted levers 5, 6 having bit members 12, 14 at one end. Clamps 15, 16 with U-shaped ends 17, 18 are pivotally mounted on the levers 5, 6 and can be pressed down and looked in engagement with the animal's jaws, after it has taken the bit, bv a lever 20 mounted on lever 6 and connected to clamp 15 by links 21 and a pin 25 which moves in a slot 19 in clamp 16. The locking means for the clamps consists of a lever 22, mounted on links 21, engaging a ratchet face 24 on lever 6 and connected by a spring 23 with lever 22. When the jaws have been clamped the mouth can be forced open bv pressing levers 5, 6 together.
Patent GB-640486-A (GB)
Title: Improvements in or relating to organic fluorine compounds
IPC: C07C17/20
Filed: 1948-02-18
Abstract: Carbon tetrafluoride is produced by reacting a carbon tetrahalide in which at least 1 halogen atom is chlorine and any other halogen atoms are fluorine, in the vapour phase with at least a stoichiometric amount of anhydrous hydrogen fluoride in the presence of chromium trifluoride or ferric fluoride, at 700-1000 DEG  C. with a contact time of at least 8 secs.  Carbon tetrahalides specified are carbon tetrachloride, fluorotrichloromethane, difluorodichloromethane, and chlorotrifluoromethane.  The fluoride catalysts may be unmounted or on inert carriers such as carbon and calcium fluoride.  The carrier may be treated with a solution of a chromium or iron salt of a volatile acid and reacted with hydrogen fluoride at high temperature. CrF3.3H2O may be pelleted with polymeric tetrafluoroethylene and heated to 850 DEG  C. in hydrogen fluoride to give a more active catalyst Preferably 10-300 per cent excess of hydrogen fluoride is employed in the reaction, a temperature of 760-950 DEG  C., and a contact time of 10-20 secs. An "Inconel" (Registered Trade Mark) reaction tube which may be carbon lined is suitable.  Pressure is preferably about atmospheric.  The product gases are washed, passed over soda lime and calcium chloride, and fractionally condensed or distilled.  In examples, catalysts are prepared by mixing chromium trifluoride with active carbon and ethanol and heating or by mixing chromium trichloride hydrate or anhydrous ferric chloride with active carbon and ethanol and heating in hydrogen fluoride.  They are used for reacting chlorotrifluoromethane, dichlorodifluoromethane or carbon tetrachloride with hydrogen fluoride.
Patent GB-1047825-A (GB)
Title: Improvements in or relating to composite bodies comprising a metallic part anchored in an electrically insulating element
IPC: H01R13/405
Filed: 1964-02-04
Abstract: 1,047,825. Making electrical components. PLESSEY-UK Ltd. Feb. 4, 1964 [Feb 6, 1963], No. 4729/64. Heading B3A. [Also in Divisions F2 and H2] A metal component, such as an electrical contact sleeve or pin 7, Fig. 2, is anchored in a through-hole or a cavity in a body 1 of insulating material by deforming a washer 10, Fig. 3, which is first slid over a shank 8 of the pin until it is adjacent to notches in the shank when it is deformed, e.g. to V-form 10<SP>11</SP>, Fig. 2, by a forked tool 12, Fig. 3, so that parts of its inner edge enter the notches. The washer 10 and body hole are shaped for a flat contact pin 7, but the contact may be a pin or sleeve of circular or oval cross-section so that the washer has an aperture (and the body hole is) of corresponding shape, the washer edge being elongated or circular but not necessarily corresponding to the aperture shape. The deformation line 16 may be transverse to or in line with, Fig. 3c (not shown), an elongated slot. The pin 7 may have shoulders 9 engaging corresponding shoulders in the hole in the body 1 and the hole may have an enlarged portion 5 with a doublesloping end as shown to assist in deforming the washer. The marginal portion 17, Fig. 3c, of the washer may bend to lie against the wall of the portion 5. If the flange so formed extends towards the open end of the portion 5 it may be gripped by a tool for release. If it extends towards the constricted end and the open end has an internal ledge, Fig. 1 (not shown), the washer is anchored unreleasably behind the ledge. This washer, Fig. 3c, may be used to anchor a pin in a cavity, i.e. a hole which does not extend through the body 1. A number of metal components may be inserted in one step into holes in a moulded synthetic resin body 1 and the washers 10 introduced into the holes together or in succession into the holes at the other side of the body and then deformed by pressing or striking tools together or in succession. Wedge formation, Fig. 1 (not shown) on the body between the washered ends of the pins lengthen the surface leakage path.
Patent GB-949370-A (GB)
Title: Method of absorbing or dispersing and reacting gases in liquids
IPC: B01J19/00
Filed: 1960-02-10
Abstract: Organic compounds are produced by reacting gases with or while in contact with a liquid circulating in a liquid ring pump (see Division B1).  Acetic anhydride is obtained by reacting ketane in the form of a gas obtained by the thermal cracking of acetic acid with acetic acid, the gas being sucked into a liquid ring pump under a vacuum of 33TORR and which contains a circulating mixture of acetic acid and acetic anhydride maintained at about 30 DEG C. by cooling. Fresh acetic acid is added to the circulating liquid to maintain 13% acetic acid in the circulating liquid and some circulating liquid is withdrawn continuously to remove the acetic anhydride formed. Methyl-ketene and iso-propyl-ketene may be similarly reacted with propionic and iso-valeric acids to produce propionic and iso-valeric anhydride respectively.  In another example a liquid ring pump is used to react methyl-ketene with chlorine in a -chloropropionyl chloride cooled to 0 DEG C. as circulating liquid.  In the production of ethylene bromide, ethylene and bromine vapour were sucked into a liquid ring pump under a vacuum of 85TORR and passed into a circulating liquid consisting of hexachlorobutadiene maintained at about 15 DEG C. Hexachlorobutadiene may be added to the circulating liquid to replace that withdrawn together with the ethylene bromide or ultimately the ethylene bromide may constitute the circulating liquid.  b -Aminocrotonic acid ethyl ester is made by reacting ammonia with ethyl acetoacebate in a liquid ring pump containing b -aminocrotonic acid ethyl ester maintained at 35 DEG C. as circulating liquid, some of the circulating liquid being withdrawn continuously.  In the production of paraldehyde, acetaldehyde vapour is sucked into a liquid ring pump in which paraldehyde maintained at 20 DEG C. is circulated and to which 1% of sulphuric acid has been added as a catalyst. Freshly formed paraldehyde is run off continuously.ALSO:In a method of absorbing or dispersing and reacting gases in liquids, the absorbing or dispersing and reacting is carried out simultaneously in a liquid ring pump, the circulating liquid of which contains the reactants.  The circulating liquid may be a reaction product or an inert liquid of low vapour pressure in which the reactants are present in suspension, emulsion or solution.  The gas or gases being reacted may be sucked into the pump under a vacuum of e.g. 85 TORR.  Catalysts may be added to the circulating liquid and the liquid may be heated or cooled. The reaction product may be withdrawn continuously at a rate corresponding to the rate of formation.  The method may be used for reacting gases with gases or gases with liquids.  Examples of reactions carried out by the method include producing acetic anhydride from ketone and acetic acid, reacting organic compounds with ammonia or halogens and polymerizing acetaldehyde in the presence of sulphuric acid as a catalyst (see Division C2).
Patent GB-179660-A (GB)
Title: Improvements in racks for gramophone record disks and the like
IPC: A47B81/06
Filed: 1921-02-10
Abstract: 179,660. Watts, W. S., and Sebestik, G. Feb. 10, 1921. Cabinets for gramophone records. Discs of different sizes are held, with their front edges in alignment, by stops e pivoted at k and connected by links f to overhead levers g pivoted at l. The cabinet is divided into compartments by vertical and inclined strips b, c. Small discs a<1> enter freely and rest on inclines n against the projecting stops e. Larger discs a<1> when inserted engage the lower grooved edges of the levers g, and the stops e are thus turned up as shown, against the action of springs i, to allow the larger discs to enter further into the cabinet.
Patent GB-405118-A (GB)
Title: Improvements in electric battery lamps for bicycles
IPC: F21S8/10
Filed: 1933-02-17
Abstract: 405,118. Electric battery lamps. LEWIS, E., 7a, Highfield Road, Blackpool. Feb. 17, 1933, No. 4894. [Class 39 (ii).] A battery lamp is mounted within the handle bar of a bicycle to provide a rearwardly directed light, preferably coloured red. In one form, Fig. 1, a cylindrical battery 12 with a casing which functions as one terminal, is provided with a screw-threaded lamp socket 16 formed by bending the ends of metal strips 15 which, at their other ends, are either attached to opposite sides of the battery or gripped between the battery casing and the inside of the handle bar. The circuit is completed by screwing in the bulb until its central contact 18 bears upon the centre contact 14 of the battery. The end of the handle bar is closed by a cap 19 in a sleeve 20 of rubber or the like which is applied to the handle bar and is continuous with a rubber grip 11. A glass or other lens 21 is secured in the end of the cap 19. In a modification a switching device is provided by forming the lamp socket in an insulating- plug 25, Fig. 2, within a closing sleeve 23, a screw 26 projecting laterally through the reduced end of the plug 25 from the lamp cap 17 being brought into contact with a battery terminal 22 by rotating the sleeve 23. The sleeve may be provided with a T-shaped guiding-slot to receive an internal projection 28 on the handle bar.
Patent GB-905702-A (GB)
Title: Reaction of epoxides with alkali metals
IPC: C07C29/09
Filed: 1960-02-11
Abstract: An epoxy compound is reacted at a temperature below about 0 DEG C with an alkali metal in the molar ratio of 1: at least 2, whereby the epoxide ring is opened to form a compound having a carbon-alkali metal bond and a carbon-oxygen-alkali metal bonding. Thus using styrene oxide and sodium the reaction proceeds <FORM:0905702/IV (b)/1> Preferably the alkali metal is dispersed in a finely divided form in an inert organic liquid such as toluene, xylene, octane, 1,2-dimethoxyethane, 1,2-diethoxyethane, decalin, dibutyl, ether, eicosane, mineral spirits and alkylate mixtures.  The process is applicable to expoxides of general formula <FORM:0905702/IV (b)/2> wherein R,R1,R2 and R3 are hydrogen, as in ethylene oxide; wherein R,R1 and R2 are hydrogen and R3 is alkenyl as in butadiene monoepoxide, or R3 is alkyl as in propylene oxide, or R3 may be aryl as in styrene oxide and its homologues such as a -methyl styrene oxide, or where R and R3 may be alkyl as in butene-2-oxide; or where R groups may be cyclized as in cyclohexane oxide.  Compounds containing a heterocyclic ring such as epoxyethylpyridine and epoxyethyltetrahydrofuran, and epoxy compounds containing a functional group such as epichlorhydrin and epoxidised fatty acids (e.g. epoxy oleic) may also be used.  The reaction is preferably conducted in an inert reaction medium such as an organic ether or a tertiary amine.  A minor proportion (e.g. from 0.1 to 10 weight per cent based on the epoxy compound) of a polycyclic aromatic compound such as naphthalene, phenanthrene, diphenyl, the terphenyls, dinaphthyl, tetraphenyl ethylene, or a diaryl ketone e.g. benzophenone, may be present.  The dialkali derivative may be carbonated and hydrolysed to give a hydroxycarboxylic acid, hydrolysed to give an alcohol or reacted generally with reagents capable of reacting with Grignard compounds.  They may also be reacted with a second epoxy compound to give a derivative which on hydrolysis yields a diol, e.g.  <FORM:0905702/IV (b)/3> The examples describe the preparation of (1) sodium 2-sodio-2-phenylethoxide (A) from styrene and sodium and its conversion to 2-phenyl-3-hydroxy propanoic acid (tropic acid): (2) 2-phenyl-1,4-butanediol from A and ethylene oxide: (3) 2,3-diphenyl-1-propanol from A and benzyl chloride: (4) b -phenylethanol by hydrolysis of A: and (11) hydroxypentenoic acid from butadiene monoxide and sodium followed by carbonation and hydrolysis.
Patent GB-608201-A (GB)
Title: Improvements in and relating to reversing arrangements in two stroke engines
IPC: F01L13/00
Filed: 1946-02-18
Abstract: 608,201. Two-stroke reversing gear. PETERSEN, O. Feb. 18, 1946, No. 5057. [Class 7 (v)] In a reversing device for a two-stroke engine with a fuel-injection pump and an exhaust valve operated by cams on a common shaft 2 and mounted in the cylinder head, the tappet rollers are for reversing moved transversely of the cam-shaft. The fuel pump, Fig. 1, has its piston 8 driven by the cam 3 through the tappet 6 which is connected to the shaft 11 through the links 12 and 13, reversal timing of the said pump being effected by rotating the shaft 11 so as to move the links 12 and 13 to the position shown in dotted lines. The exhaust tappet 17 with rollers 16, Fig. 2, operated by a cam 14 is moved transversely with respect to the cam-shaft by links 19 and 20 also connected to the shaft 11, the lengths of the links being chosen to give the correct angle change with the angular movement of the shaft 11 necessary to alter the fuel pump tappet angle.
Patent GB-1046922-A (GB)
Title: Improvements relating to derricks
IPC: E21B19/087
Filed: 1964-02-06
Abstract: 1,046,922. Mobile jib cranes. OHIO BRASS CO. Feb. 6, 1964 [Feb. 6, 1963], No. 5111/64. Heading B8B. [Also in Division E1] A derrick having a boom 12 pivotally mounted on a pedestal 14 to be carried by a vehicle 10 has a work mechanism 35 supported by a member 36 whereby the mechanism may be disposed beneath the boom (Fig. 1) or laterally to one side thereof (Fig. 2, not shown). The boom is movable in horizontal and vertical planes, has telescopic sections 22, 26, and carries a head sheave assembly 28. The fluiddriven auger 35 is pivoted to the member 36 at 39, and during boring the member has a bayonet connection with a fitting mounted on the free end of the section 26. In a transport position the section 26 is retracted into the section 22, the member 36 has been turned to have a bayonet connection with a fitting 55 at the free end of the section 22, the auger pivoted about the pivot 39, and a clip 66 locks the auger parallel to the boom.
Patent GB-1158571-A (GB)
Title: Preservation of Fruits and Vegetables
Inventor: ILLOUZE CHARLES
IPC: A23B7/152
Filed: 1966-08-07
Abstract: 1,158,571. Preserving vegetable products. C. ILLOUZE. 7 Aug., 1966, No. 5230/66. Heading A2D. Vegetable products are preserved by enclosing them with a bactericidal gas generator comprising an alkali or alkaline earth metal metabisulphite and alum in an impermeable envelope which has an opening sufficient to allow the vegetable product to respire. Many vegetable products are specified and include fruits, vegetables, nuts, cereals, cut flowers, bulbs, tubers and roots. The envelope is formed from sheet material such as polyethylene or regenerated cellulose film. The preferred bacterial gas generator, which slowly releases sulphur dioxide, is potassium metabisulphite together with a small amount of alum which latter substance acts as a retarding agent. The gas generator substance may be supplemented by a preservative acid (or its alkali or alkaline earth salt), present naturally in the particular vegetable product to be preserved as the acid or acid derivative, such as sorbic, citric, benzoic, pectic, quinic, tannic, malic, tartaric, p-amino benzoic and stearic acids. Organic fumigants such as amyl acetate, ethylene oxide, ethylene dibromide, ethylene chlorobromide, ethylene or methylene dichloride, ethyl or methyl formate, and acrylonitrile may also supplement the gas generator substance. The gas generator and other additives may be enclosed in permeable sachets, or may be applied to the vegetable materials or packaging materials therefor as aqueous solutions or dispersions by dipping or spraying and subsequently drying them. A high relative humidity may be maintained within the envelope by wrapping water impregnated absorbent materials around the peduncles of the vegetable products. The preservation of grapes, bananas, pears, shelled peas and bunches of flowers is exemplified.
Patent GB-482067-A (GB)
Title: Resilient suspension device
IPC: B62J1/02
Filed: 1937-02-22
Abstract: 482,067. Resilient mountings. SLUYTER, N. Feb. 22, 1937, No. 5241. Convention date, Feb. 21, 1936. [Class 108 (iii)] In a resilient suspension device for bicycle saddles, vehicle bodies, &c., comprising one or more rubber &c. rollers, rings, or the like mounted between convergent surfaces of two relatively-movable members and adapted to roll under compression between the surfaces in accordance with the applied load, the surfaces are so shaped as to apply a greater compression to the rubber rollers or the like during initial movement than during later movement under load. As shown in Fig. 1 rubber rollers 1, 2. are disposed between the flat, upwardly-divergent walls 5, 6 of a fixed member and the reflexly curved walls 7, 9, 8 of a movable member. In a modification the fixed member is formed bell-shaped with a reflexly curved surface separated by a rubber ring from a conical movable member. In a further modification, both members are reflexly curved. In another construction rubber balls separate an inner conical member from an outer, hollow, triangular, pyramidal member, the surface of one of the walls being shaped to vary the rate of compression. The Specification as open to inspection under Sect. 91 comprises also (a) the construction shown in Fig. 5 (Cancelled) in which a movable conical member 12 is formed with a waisted annular recess 26 at its end separated by a rubber ring or balls 10 from a concave, annular recess in the fixed member 11 ; and (b) the torsional shock-absorber shown in Fig. 6 (Cancelled), in which relatively-rotatable members 27, 28 carrying curved, wedge-like elements 29, 31 respectively are separated by rubber balls or rollers 30. This subject-matter does not appear in the Specification as accepted.
Patent GB-415429-A (GB)
Title: Improvements in or relating to resilient couplings
IPC: F16D3/56
Filed: 1933-02-20
Abstract: 415,429. Universal joints. MAURER, A., 82, Promenade, Bad Homberg v.d. H÷he, Germany. Feb. 20, 1933, Nos. 5242 and 5243. Convention dates, Feb. 20, 1932 and Jan. 27, 1933. [Class 80 (ii).] The driving and driven members 2, 4 are connected by spring loops 1, one end engaging each member. The ends of the loops may be supported in grooves 6, Figs. 1 and 2, in one or both of the members or in bores parallel to the axis. The ends of the loops may be very close together, Fig. 15, and may be at the centre of the loop. The crosssection of the material may be varied so that the loops form beams of uniform strength. Adjacent loops may be joined to form a continuous spring Figs. 9 and 11. The ends of the loops may be reduced at 5, Figs. 18 and 22, where they enter the grooves 6, to facilitate assembly. The loops may be twisted to engage alternate grooves 6, Fig. 18. The loops may be protected by flanges 10, Fig. 22, the slots 6 being formed in hardened sleeves 8 secured to the flanges by nuts 9. The ends of the loops may be thickened, or provided with reinforcing blocks 7<1>, Fig. 15. Modifications showing other combinations of the above features also are described.
Patent GB-373197-A (GB)
Title: Improvements in or relating to methods of and means for the production of coloured effects by lighting
IPC: G09F13/24
Filed: 1931-02-19
Abstract: 373,197. Lamps for colour lighting. BURRELL, P., 62, Belgrave Avenue, Watford, and BOOTHROYD, J. A., 1, Rosegarden, Loudwater, Rickmansworth, both in Hertfordshire. Feb. 19, 1931, No. 5268. [Classes 75 (ii) and 75 (iv).] A lamp for colour lighting comprises transparent partitions 15, 17, 19 forming compartments 21, 23 into and out of which coloured liquids can be pumped. The pump is rotary or may consist of two semicylindrical chambers 11, 13 in which blade plungers are oscillated, conduits leading from the chambers 11, 13 to the compartments 21, 23. The plungers are actuated from an electric motor 71 by worm and cam gearing 81. The compartment 21 contains glass elements 25, 27, 29 to show up against the surrounding liquid, and lamps 41, 43 backed by reflectors 45, 47, and a diffusing screen 55 may be disposed in front thereof. A ball valve may be provided at the bottom of each chamber 11, 13 to admit air during the rise of the plungers, and a one-way passage mav extend from the bottom of each chamber to the top thereof or to the top of the corresponding compartment 21, 23 to dispose of liquid which leaks past the plungers. The lamps 41, 43 may be multi-coloured and be controlled by multiple-way switches, and coloured glass screens may be introduced. The compartment tops are fitted with a vent 24.
Patent GB-329371-A (GB)
Title: Improvements in or relating to electric couplings and the like
IPC: H01R13/59
Filed: 1929-02-16
Abstract: 329,371. Belling & Lee, Ltd., Lee, E. M., and Byrne, W. J. Feb. 16, 1929. Drawings to Specification. Vacuum tubes.-A resilientsocket for making connection to the anodes of screened grid valves consists of a number of strips, Fig. 3 (not shown), lying in a sleeve and connected by a head. A pair of strips that grip a pin inserted through a lateral hole in the sleeve may be employed.
Patent GB-694724-A (GB)
Title: Improvements in or relating to electric terminal blocks
Inventor: EBEL FRANCIS LEONARD
IPC: H01R4/48
Filed: 1950-03-02
Abstract: 694,724. Two-part couplings; plug-boards. FAIREY AVIATION CO., Ltd. March 2, 1951 [March 2, 1950], No. 5327/50. Class 38 (i). A terminal block comprises an insulating body 10 having parallel barrier plates 12 accommodating between them upwardly spring- urged sockets for receiving the ends of conductors, and a captive cover 17 bearing on the sockets and adjustable vertically to clamp the conductors in the sockets or permit removal of the conductors while still captive. In the embodiment shown in Figs. 1 and 2, the sockets are arranged in opposed pairs and each pair comprises opposed channelled members 20, 21 with central recesses 23 (or projections) engaging ribs (or recesses) in the body 10 to locate them therein. Cover 17 is held captive on a screw 16 by a nut 18 and has dependent pads 19 engageable with the sockets. Figs. 6 and 8 show another embodiment wherein the sockets are single-ended and each comprises opposed flat members 25, 26 with lateral projections 27 at one side engaging recesses 28 in the barrier plates. Members 25, 28 also have pips 29 for engaging holes in flat ferrules on the ends of the conductors to retain said ferrules in the sockets. Sockets separated by a barrier plate may be linked by a U-shaped metal member.