baber/WOPTO huggingface dataset:
Patent GB-780636-A (GB)
Title: New benzoic acid derivatives and processes for their preparation
IPC: C07C271/06
Filed: 1955-09-15
Abstract: The invention comprises compounds of the formula <FORM:0780636/IV (a)/1> and acid addition salts thereof, wherein R1 is an isobutyl, pentyl, hexyl or benzyl group, X is an oxygen atom or the group -NH-, A is a divalent hydrocarbon radical of at least 2 carbon atoms and R2 and R3 each represent an alkyl group of up to 4 carbon atoms. Preferred products are the benzoic acid derivatives of the above general formula wherein X is oxygen, A is -CH2CH2-, and R2 and R3 are each ethyl; benzoic acid derivatives wherein X is oxygen, A is -CH2CH2CH2-and R2 and R3 are each butyl, and benzoic acid amides of the above general formula wherein X is -NH-, A is -CH2CH2-and R2 and R3 are each ethyl.  The products are made (1) by reacting in aqueous solution or in an inert organic solvent a chlorocarbonate of the formula R1-O-CO-Cl with a water-soluble salt of the corresponding amine of the formula H2N-C4H6-CO-X-A-NR2R3 and separating the resulting hydrochloride; (2) by reacting a chlorocarbonate of the formula R1-O-CO-Cl with a p-aminobenzoic acid H2N-4CH6-COOH to obtain an acid of the formula R1O-CO-NH-C4H6-COOH which is converted into the desired ester or amide by known methods; and (3) converting the group NH2 in a base of the general formula H2N-C4H6-CO-X-A-NR2R3 into an isocyanate group and reacting the resulting phenyl isocyanate with an alcohol R1OH.  Where the products of the above processes are obtained as hydrochlorides they may be converted into the free base by treatment with sodium carbonate, if desired. An example describes the preparation of b -diethylaminoethyl p-isobutoxycarbonyl-aminobenzoate.  Other preferred products of the above general formula are specified with melting-points.
Patent GB-383690-A (GB)
Title: Improvements in or relating to means for suspending or supporting articles
IPC: A47G25/06
Filed: 1932-07-18
Abstract: 383,690. Pneumatic-sucker fastenings; hooks. ANNS, H. F., 25, Broadway Buildings, Westminster. July 18, 1932, No. 26462/31. [Classes 44 and 89 (ii).] A supporting bracket or hook 17 is attached to a wall by the suction pad 1. The centre of this pad is secured to a washer 5 carrying a stud 15 at the outer end of which is pivoted a lever 21. Attachment is obtained by placing the pad against the wall, depressing the lever from the position shown in dotted lines to that shown in full lines when the centre of the pad is forced outwards by the cam surface 23 of the lever 21.
Patent GB-740366-A (GB)
Title: Improvements in method of knitting
IPC: D04B1/26
Filed: 1952-10-23
Abstract: 740,366. Knitting. HEMPHILL CO. Oct. 23, 1952 [Oct. 31, 1951], No. 26628/52. Drawings to Specification. Class 74 (2). A substantial range of sizes of hosiery of similar appearance is knitted upon circular machines having the same needle cylinder diameter but with different needle pitch. The same amount of yarn per knitted loop is drawn by each needle irrespective of the needle pitch by varying the depth to which the stitch cam lowers the needles.
Patent GB-728004-A (GB)
Title: Method for the preparation of lactams by the re-arrangement of cyclic ketoximes
IPC: C07D201/04
Filed: 1952-10-23
Abstract: Lactams are produced by the rearrangement of cyclic ketoximes in presence of sulphur trioxide with the addition of cyclic mononitrohydrocarbons of melting point up to 65 DEG  C.  In examples cyclohexanone oxime is converted into capro-lactam by treatment with oleum or sulphur trioxide in nitrobenzene, and 1 : 1-nitro-methyl-cyclopentane; other nitro-compounds specified as suitable, include nitro derivatives of toluene, xylenes, cycloaliphatic compounds and naphthalene.
Patent GB-498617-A (GB)
Title: Improvements in and relating to the leading-in wires of high pressure electric discharge lamps
IPC: H01J5/32
Filed: 1937-10-04
Abstract: 498,617. Discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd., DAVIES, L. J., BOURNE, H. K., and CHENEY, H. Oct. 4, 1937, No. 26852. [Class 39 (i)] In a high pressure electric discharge lamp the junction between the leading-in conductor and the electrode or electrode support is coated with a glass bead or sleeve. In the form shown, the leading-in wire 1 of small diameter is surrounded by a bead of glass 2 where it is sealed into the envelope, making a vacuum-tight joint. The electrode or electrode support 3 is of larger diameter than the leading-in wire and the junction between the two is covered and supported by a glass bead or sleeve 4, which may be a continuation of the bead 2 and may also be joined to the envelope. The member 4 need not be in fused contact with the parts which it encloses.
Patent GB-482947-A (GB)
Title: Improvements relating to mercury switches
IPC: H01H29/18
Filed: 1936-10-03
Abstract: 482,947. Electromagnetic mercury switches. CIANCHI, A. Oct 3. 1936, No. 26899. [Class 38 (v)] In an electromagnetically.operated mercury switch in which a plunger 2 carrying an armature 6, is made to move axially and clear of the containing vessel thereby causing the mercury 3 in which it floats to complete a circuit between electrodes 8 and 9, the plunger 2 is guided at points spaced apart in the direction of its movement by one or more stationary guides on the wall of the enclosing vessel. As shown, the guides may be internal projections 11 and 12 formed in the glass containing vessel 1 by depressing the glass when soft on a former. Other means of guidance described in the Specification which may be used include an outturned upper edge of the plunger 2, an inserted member gripped by the containing vessel 1, through which the plunger passes, and an annular support fixed to the re-entrant upper end of the containing vessel and engaging the inner surface of the plunger. The Provisional Specification describes modifications according to which a ring of balls may be mounted to form a guide. Also the solenoid may be on the float, the armature being fixed to the vessel, or the solenoid may be fixed inside the vessel. The vessel may be filled with inert gas or oil, and enclosed in an iron or other outer screening earthed casing. Specifications 351,830, 479,095, and 481,289 are referred to.
Patent GB-788051-A (GB)
Title: Improvements in and relating to metal chipping chisels or hammers
Inventor: DOWNING ROBERT ERNEST
IPC: B23Q1/00
Filed: 1952-10-27
Abstract: 788,051. Percussive tools. HOLMAN BROS., Ltd. Oct. 27, 1953 [Oct. 27, 1952], No. 26936/52. Class 124. A percussive tool for chipping metal castings comprises a metal chipping chisel element and a pneumaticallyoperated percussive tool, the chisel element having at least one opening adjacent its cutting edge which communicates with a central bore in the chisel through which fine dust may be drawn by suction. As shown, a pneumatically-opera ted percussive tool 1 has a chisel 2 having a bore 3 in communication with an opening 4 near the cutting edge 5. A tube 6 passing through the tool leads from a recess in the end of the chisel to a passage or passages 8 which are connected to a source of suction. Specifications 694,963, 695,010 and 788,052 are referred to.
Patent GB-938383-A (GB)
Title: Improvements to ball-bearing test rigs
Filed: 1960-08-03
Abstract: 938,383. Bearings. SOC. DE FABRICATION D'INSTRUMENTS DE MESURE. Aug. 3, 1960 [Aug. 4, 1959; July 1, 1960], No. 26967/60. Class 12 (1). [Also in Groups XIX and XXXVIII] In a test rig for bearings the bearing 24 is supported on an adaptor 23 located on the conical end 22 of an axle 21, which is in turn supported on diaphragms 25, 26. The outer race in turn supports an adaptor 41 and a bellshaped member 42. This latter is provided with a skirt 43 extending between a field magnet 31, provided with current form a multi-phase generator, and a field closing ring 33. The current through the magnet 31 can be varied in voltage and frequency, and in use the voltage is increased steadily until the bearing starts to rotate. The voltage required is a measure of the starting torque. The mean friction torque is given by the voltage required to maintain rotation. The vibration of the bearing is measured by the movement of a coil 38 mounted on an extension of the axle 21, the coil 38 passing through the air gap of a permanent magnet yoke 40. The coil 38 is connected by leads 39 to either a noise measuring instrument or to a loud-speaker. The speed of rotation of the outer race is sensed by a device consisting of a lamp 49 the light from which is reflected on to a photo-cell 48 by a mirror 47 twice during each rotation of the bearing. Additional weights 46 may be applied to load the bearing axially. In a second embodiment the bearing is housed in an evacuated chamber, thus eliminating errors due to air resistance.
Patent GB-724509-A (GB)
Title: Improvements in or relating to glass bending
IPC: C03B23/025
Filed: 1953-10-01
Abstract: 724,509. Bending glass. FORD MOTOR CO., Ltd. Oct. 1, 1953 [Oct. 3, 1952], No. 26977/53. Drawings to Specification. Class 56. In an apparatus for bending glass, particularly for laminated windshields, a layer of refractory heat-insulating material such as firebrick is positioned between the frame of the apparatus and the glass-supporting surface.
Patent GB-918487-A (GB)
Title: Improvements in or relating to light sensitive paper printing machines
Inventor: AIZAWA TATSUO
IPC: G03B27/16
Filed: 1960-08-04
Abstract: 918,487. Photocopying apparatus. MITA, S. Aug. 4, 1960, No. 27018/60. Class 98 (2). A photocopying apparatus comprises a rotatable glass cylinder 1 within which is mounted a high-pressure mercury vapour lamp 2 with a reflector 3, and behind the reflector a further lamp 4 suitable for reflex copying. Lamp 4 is mounted close to the glass wall of the cylinder, and has its own U-shaped reflector 5. The original and copy sheets are fed on an endless belt 10 which carries them round in contact with cylinder 1. If the sensitive copy sheet is to be printed through the original, then lamp 2 is used. If reflex printing is required, lamp 4 is used. Thus the one apparatus may be used for either kind of photocopying, the lamps 2 and 4 being energized independently as required.
Patent GB-282526-A (GB)
Title: Improvements in or relating to machines or apparatus for punching or perforating and printing on sheets, cards, documents made of paper or the like
IPC: G06K21/06
Filed: 1926-10-29
Abstract: 282,526. Hildreth, W. H. Oct. 29, 1926. Reciprocating-punch machines.-In a machine for punching holes in documents for filing purposes, a plurality of compound punches are provided for punching holes of alternative size or shape. In a base a are housed marginal punches d of rectangular section actuated from a keyboard x. A punch-plate o carries punches p cooperating with holes j in the punches d. The sheet is positioned on the bed a, and, on release by cams q actuated from a lever r, springs o<2> depress the plate to form circular marginal perforations. The keys x are then selectively depressed to actuate the punches d for forming marginal slots in required positions. The punchings are cut by blades on the punches p and are collected in a trough. In a modification, the punches are of circular and triangular section and holes of corresponding shape are formed according to the amount of movement of the punch. Printing or embossing means may be used.
Patent GB-1305886-A (GB)
IPC: C08L101/00
Filed: 1971-04-19
Abstract: 1305886 Elastomer compositions MONSANTO CO 19 April 1971 [16 April 1970] 27098/71 Headings C3F C3P and C3Q Elastomer compositions comprise a vulcanizable elastomeric matrix having dispersed therein discontinuous unregenerated cellulose fibres having an aspect ratio of 20-350 (ratio of average length to average diameter) and a bonding agent capable of bonding the cellulose fibres to the elastomeric matrix. A variety of types of cellulose fibres may be used, and may be pretreated to reduce fibre to fibre interaction, e.g. by slurrying in water with carbon black or rubber latex. Bonding agents may also be applied to the fibres prior to incorporation in the elastomer matrix, e.g. a mixture of resorcinol/ formaldehyde and butadiene / styrene / vinyl pyridine latices. The fibres are preferably oriented in the rubber matrix, e.g. by milling or extrusion. The preferred bonding agents for use in the matrix are resorcinol-hexamethoxymethyl melamine and SiO 2 -resorcinol-hexamethylenetetramine, and may be formed in situ. Numerous elastomers are specified, those used in the examples being natural rubber, SBR, EPDM, Neoprene, nitrile rubber and certain mixtures thereof. Exemplified compositions also contain vulcanizing ingredients, and other additives selected from carbon black, extender oil, dioctyl phthalate, 2-mercapto imidazoline and N-(1,3- dimethylbutyl) - N<SP>1</SP> - phenyl - p - phenylene diamine.
Patent GB-185660-A (GB)
Title: Improvements in or relating to pumps
IPC: F04B1/04
Filed: 1921-10-14
Abstract: 185,660. Butler, O. E. S., and Harris, K. N. Oct. 14, 1921. Crank - actuated pumps; eccentric - actuated pumps ; multiple-cylincler piston pumps; valves, facilitating removal of.-In a pump for liquids or gases of the kind having radial cylinders with pistons operated by a rotating crank-pin, eccentric, or cam on a central shaft, the cylinders c are arranged in opposite pairs and are connected by two rings a, b. The inlet ports u of the cylinders communicate with a common inlet duct g at an intermediate radius, and the delivery duct h in the ring a. The flow of fluid is radially outwards so that, in the case of gas, the transfer of heat from the compressed gas to the incoming gas is reduced. The valves w may be got at by unscrewing plugs y closing the ends of the cylinders. The inlet manifold g is arranged in the cover f of the pump casing, so that, if inlet valves are used, they may be got at by removing the cover. The pistons carry pins m mounted in ball bearings n enclosed in rings o, which are free to rotate on the main ball bearings q on the crankpin r.
Patent GB-193091-A (GB)
Title: Watertight ball or roller race bearing
IPC: F16C33/78
Filed: 1921-10-14
Abstract: 193,091. Hollis, R. T. Oct. 14, 1921. Liquid, excluding.-A ball or roller bearing 4 is carried in a gland 2 through which the shaft 3 projects and which screws into a recess in a casting 1 containing liquid. At the bottom of the recess 5 packing rings 6, 10 are fitted, the ring 6 having a tapered portion 7 and a convex portion 8 contacting with the concave end 9 of the gland 2. When the gland 2 is rotated the portion 7 of the packing ring 6 is pressed against the shaft and liquid in the casting 1 is prevented from reaching the bearing 4. A lubricator 14 is fitted to the bearing.
Patent GB-1080092-A (GB)
Title: Improvements in or relating to the blending of granular or particulate material
IPC: B01F5/24
Filed: 1965-06-28
Abstract: 1,080,092. Blending solids; average-discharge apparatus. ACHESON INDUSTRIES, Inc. June 28, 1965 [July 31, 1964], No. 27348/65. Heading B1C. Apparatus for blending granular or particulate solids comprises a container 10 having a plurality of symmetrically arranged vertical conduits 24 each with vertically spaced inlet apertures 48 and discharging at 26 into a receiver 28. A gate valve 38 discharges the receiver at a rate which maintains the apparatus flooded so that the outlets 26 are partially blocked and the rate of flow in the conduits remains less than the free-fall rate; in these circumstances only the uppermost inlet aperture in each conduit which for the time being is below the surface of the material is operative to withdraw material from the bulk. Material in the bottom of the container 10 may be discharged through an aperture 58 into the mixture in the receiver or may be discarded or recirculated. Inlet ports 48 may be blanked off or adjusted in size by sleeves 50, see Figs. 4 and 6 (not shown). The mixture may be recirculated.
Patent GB-320509-A (GB)
Title: Process for the production of tough transparent foils from gelatine
Filed: 1928-09-24
Abstract: 320,509. Klotz, O. Sept. 24, 1928. Coated fabrics. - A transparent fabric comprises alternate layers of gelatine and rubber, the outer layers being gelatine whether there is only one rubber layer b, as in Fig. 1, or several b<1> - - b<4>, as in Fig. 2. The fabric may be formed by dipping a glass sheet into gelatine solution and rubber latex alternately and then stripping the compound fabric from the glass, or a layer of gelatine may be poured on to a glass sheet, followed by a layer of latex and another layer of gelatine, the fabric being subsequently stripped from the glass sheet. Alternatively, alternate layers may be fed from a hopper f upon a travelling band e from which the fabric is stripped and wound on a roller i after passage through a drying chamber g. Several hoppers and drying chambers may be used. -
Patent GB-1401971-A (GB)
Title: Electrical power supply system
IPC: H02K19/34
Filed: 1971-06-11
Abstract: 1401971 Alternators; polyphase supply systems LUCAS INDUSTRIES Ltd 1 June 1972 [11 June 1971] 27411/71 Headings H2A and H2H An electrical power supply system comprises an alternator having a closed output winding 10 composed of a plurality, e.g. five, of series connected phase windings 11 equal in number to the number of phases of a first polyphase output from the alternator, which winding has tappings positioned to provide a second polyphase output, e.g. at terminals 15...17, having a differing number of phases from that of the first output. As shown, pairs of rectifiers 12 arranged in bridge connection may be interposed between the first output and terminals 13, 14, to provide a unidirectional output of low ripple amplitude, and the second, three phase, output may be taken from one phase interconnection and two tappings of the phase windings 11. The alternator has an exciting winding 18.
Patent GB-630688-A (GB)
Title: Improvements in or relating to split yarn suction removal apparatus for spinning machines
IPC: D01H13/30
Filed: 1946-09-12
Abstract: 630,688. Suction removal apparatus for spinning-machines. BEGHTLER, H: C. Sept. 12, 1946, No. 27483. Convention date, Sept. 12, 1945. [Class 8(ii)] In a suction plant for removing split yarn from spinning machines 1, Fig. 1, valves 9, 10, 11 are operable in dependence on the requirements of an air conditioning plant to determine the path of air issuing. from the plant. Each spinning machine has a plurality of slotted nozzles 4 exhausting to a pipe 2, a filter 5 and a duct 6 by means of a fan 7 which delivers into an air distributing chamber 8 which together with a blower 12 and an apertured duct 13 acts as an air conditioning apparatus. According to the setting of valves 9, 10 suction air is exhausted wholly to the outside atmosphere or to the conditioning apparatus where it is mixed with fresh air entering at a valve 11. In a modification the conditioning apparatus includes a washing, heating or moistening chamber 15, Fig. 6, located between the chamber 8 and the blower 12, and the workshop air may be drawn into the chamber 8 through a valve 16. The valves 9, 10, 11, 16 are linked together and operated by an electric or pneumatic motor 18 controlled by a thermostat or hygrostat 19 located at the blower intake. The fan 7 is controlled by a pressure responsive member 27 to maintain constant air flow in the duct 6 irrespective of blocking of the filters 5 and some of the machines not being in use. In a further modification each spinning machine has its own exhaust fan and a valve by which the filtered section air is exhausted wholly or partly into the'open atmosphere or the workshop. These valves together with the distributing chamber valves are controlled by the regulator 19.
Patent GB-401093-A (GB)
Title: Improvements relating to apparatus for use in hot water heating systems
IPC: F24D3/02
Filed: 1932-10-04
Abstract: 401,093. Heating by circulation of fluids. BARTER, C., 122, Gough Road, Edgbaston, Birmingham. Oct. 4, 1932, No. 27511. [Class 64 (ii).] To accelerate the circulation in hot-water heating systems, a member a is connected at b to the circulating system, and a pipe c is adapted for connection to the supply or expansion tank. The pipe c carries a vertical pipe d, and the member a carries a cylindrical part e closed at the top. A tube g which may be of square section is placed loosely over the tube d. Specification 183,981, [Class 64 (ii), Heating systems &c.], is referred to.
Patent GB-304224-A (GB)
Title: Improvements in or relating to carburettors for internal combustion engines
IPC: F02M17/14
Filed: 1927-10-17
Abstract: 304,224. Wade, H., (Thelma Carburator Co., Soc. Anon.). Oct. 17, 1927. Addition to 281,027. Spray-carburettors.-The carburettor described in the parent Specification comprises a throttle valve 11, a fuel inlet 5, a fuel chamber 16, a spring-pressed valve 8 for isolating the chamber from the fuel inlet, a pilot nozzle 4, main nozzles 3, a valve 9 for controlling the fuel flow to the nozzles, and a spring-loaded air valve 10 actuated by suction and adapted to lift the valve 9 and open the valve 8. The invenion consists in the provision of means to effect steadiness in working. These comprise a dashpot for preventing hunting of the fuel-regulating valve and consisting of a piston 13 mounted on the spindle of the valve 9 and moving with clearance in a cylinder 12, and means to prevent surging of the fuel column consisting of a check valve 14 in the fuel passage 15. The fuel enters at 5 past an adjustable valve.
Patent GB-1107382-A (GB)
Title: Improvements in or relating to armour
Inventor: BARRATT LEONARD ARTHUR ALEXAND
IPC: F41H1/02
Filed: 1964-07-04
Abstract: 1,107,382. Body armour. WILKINSON SWORD Ltd. 28 June, 1965 [4 July, 1964], No. 27660/64. Heading A3V. [Also in Divisions E2 and F3] A bullet proof vest is made from armoured material comprising outer and inner strong fabric (e.g. nylon) layers 13 and 16 between which are mounted strips 20 carrying vertically overlapping plates 21, each connected to its strip 20 by a fabric hinge (22), Fig. 3 not shown. The strips are located in fabric pockets 23, 24 stitched at one edge 15 to the inner casing and fabric pockets 26, 27 stitched at one edge 14 to the outer casing. The inner edges of the pockets are inter-connected by means of extensions 25 of the pocket portion 23, giving a degree of flexibility in the overlap between the pockets and the plates they contain. Similar front and back portion (12) may be connected by a waist belt and buckle and filamentary hook and loop fastener strips (28) at the shoulders (11), Fig. 1 not shown.
Patent GB-297778-A (GB)
Title: Improvements in or relating to artificial silk
IPC: D06B3/04
Filed: 1928-09-27
Abstract: 297,778. Sondermann & Co. Sept. 27, 1927, [Convention date]. Right to Patent relinquished. Artificial silk threads; threads having fibres united by adhesive; spinning processes; yarns, threads, &c., treating with liquids.-The threads of artificial silk which have been collected in the untwisted condition on bobbins, are during re-winding subjected to a. pasting or sizing treatment, without twisting, in order to render the threads capable of withstanding the further operations to which the threads are subjected. The sizing of the threads may take place before the silk is completely finished, for example before bleaching; and in the case of viscose silk, before desulphurizing, the bleaching and desulphurizing being carried out on the woven or knitted material, preferably at the same time as the latter is desized. For the sizing operation, the threads f are drawn from a. bobbin frame a, passed over a sizing roller s, then through a drying device such as a heated plate c, and finally collected on winding rollers d; the threads are tensioned by rollers r, w, and they are kept separate by means of saddles k; and it is convenient to withdraw the threads from the upper row of bobbins a through guide-eyes opposite the centres of the bobbins, and the threads from the lower row through guide-eyes mounted above the bobbins.