baber/WOPTO huggingface dataset:
Patent GB-687520-A (GB)
Title: Improvements in the mounting of milling and like cutters for use in facing, counterboring and like operations
Inventor: CLARE CHARLES HENRY
IPC: B23B51/10
Filed: 1950-10-23
Abstract: 687,520. Cutter-bars. CLARE COLLETS, Ltd. Oct. 8, 1951 [Oct. 23, 1950], No. 25740/50. Class 83 (iii). A cutter and mounting for use in facing, counterboring and like operations comprises a bar having a flat along a portion of its length with a number of transverse recesses, at points along the bar, breaking into the flat from one or both sides of the bar, the cutter having a part projecting transversely across its bore at one side thereof so that such part can ride along the bar and can move into a recess when the cutter is turned relatively to the bar with the projecting part in line with the recess. The bar a is provided with a flat d extending to its free end over which passes a double-sided cutter with a central slot bounded by a flat face g. The bar is provided with a number of transverse recesses f breaking into the flat portion into which the portion g is turned to lock the cutter on the bar. The recesses may be of double angle form where the direction of rotation may be reversed, or, may be to one side of the flat only where the bar rotates in one direction only. The part projecting across the bore of the cutter may be formed by a pin and the recesses in the bar rounded to correspond therewith. A singlefaced cutter may be employed. Specification 319,130, [Class 83 (iii)], is referred to in the Provisional Specification.
Patent GB-1489020-A (GB)
Title: Stress distribution blocks for the formation of joints resistant to differential settling and joints obtained by using said blocks
IPC: E01C7/14
Filed: 1975-06-17
Abstract: 1489020 Expansion joints for cast structures J D THIRY 17 June 1975 [21 June 1974] 25798/75 Headings E1B and E1G A block for relieving stresses between two cast slabs of concrete has a generally trapezoidal longitudinal transverse cross section and projecting reinforcing bars 2 extending in a closed loop from an inclined face 5 to the smaller adjacent one of the parallel faces, for use blocks are arranged in line in the lower region of the joining slabs with the reinforcement hoops 2 alternately projecting on opposite sides and with resilient pads 4 between each block and also on each inclined face without reinforcement projecting so that each alternate block is keyed to the opposite cast slab. Joints using the blocks may be formed in roads, runways, tunnels or other buildings.
Patent GB-756141-A (GB)
Title: Improvements in the manufacture of tubular elements
IPC: B21D22/14
Filed: 1951-11-05
Abstract: 756,141. Making seamless tubes; forging. HUET, A. Nov. 5, 1951, No. 25830/51. Classes 83 (2) and 83 (4). In a method of upsetting a tube to cause changes in thickness or diameter a portion of the length is heated locally while the inside or outside is cooled to bring about a temperature gradient through the thickness which controls the form of the upsetting. A tube c, Fig. 4, is given an increase in thickness without substantial change in the internal diameter by cooling the inside of the tube with air or a water spray while it is heated to dull red heat and upset between electric resistance heating jaws b1, b2. A substantially flat bulge, Fig. 6, without substantial change in thickness may be obtained by heating to bright red heat while the inside is cooled to a greater extent near the centre of the bulge than at the ends. Similar thickening or bulging inwards may be obtained by cooling the outer surface of the tube. In another example the exact external form of the expanded tube a, Fig. 10, is determined by a split tubular die f1, f2 which may have cooling passages g.
Patent GB-518970-A (GB)
Title: Manufacture of polymerisation products derived from acrylic acid derivatives
IPC: C08F20/62
Filed: 1938-09-05
Abstract: 518,970. Polymerization products ; polymeriziable compounds. CRAWFORD, J. W. C., McLEISH,. N., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Sept. 5, 1938, Nos. 25954/38 and 7683/39, [Class 2 (iii)] Polymers of alpha-chloroacrylic acid or its esters having relatively little colour are obtained by treating the monomeric compounds to free them from autoxidation products and thereafter subjecting them, while substantially free from such products, to polymerization, preferably in' the absence of atmospheric oxygen. The polymerization may be effected in the presence of one or more additional polymerizable compounds or in the presence of non-polymerizable compounds, e.g. angelic or tiglic acid, capable of forming interpolymers with polymerizable alpha-#- unsaturated compounds. Plasticizers, softeners, fillers and other modifiers may be present during the polymerization. The removal of the autoxidation products may be effected by distillation in the substantial absence of oxygen, e.g. in vacuo or in an atmosphere of nitrogen, or the monomeric compounds may be treated with a reagent whereby the autoxidation products are destroyed. Preferably the two processes are combined. Suitable reagents are reducing agents, hydrogen peroxide, perborates or other per-compounds, or compounds such as potassium permanganate, having a labile oxygen atom. Preferably this treatment is followed by treatment with an alkaline reacting compound, e.g. a water-soluble carbonate, bicarbonate or borate or an alkali metal hydroxide. In examples : (1) methyl alpha-chloroacrylate is treated with (a) sodium carbonate and hydrogen peroxide solutions, (b) sulphur dioxide solution, (c) phenyl hydrazine solution, (d) sodium carbonate solution containing hydrogen peroxide, (e) sodium carbonate solution containing sodium hydrosulphite, (f) sodium persulphate solution, (g) sodium perborate solution, and (h) sodium hypochlorite solution, and the treated ester is polymerized in the presence of benzoyl peroxide; (2) methyl alpha-chloroacrylate is distilled in an atmosphere of nitrogen under reduced pressure and polymerized in the presence of benzoyl peroxide ; (3) n-propyl- or isopropyl-alpha-chloroacrylate is distilled under reduced pressure and treated with an aqueous solution containing sodium hydrosulphite and sodium carbonate and then polymerized in the presence of benzoyl peroxide. Adequately purified acid or esters give no colour with phenylhydrazine and aqueous ferricyanide, and no colour with aqueous pyridine. The purified esters are neutral.
Patent GB-518879-A (GB)
Title: Improvements in or relating to liquid delivery devices
IPC: B67D7/48
Filed: 1938-09-05
Abstract: 518,879. Liquid delivery devices. ELSOM, J. D. Sept. 5, 1938, No. 25964. Convention date, Sept. 4, 1937. [Class 135] A delivery nozzle is provided with means adapted to interrupt the flow automatically when the level in a receiving vessel reaches a predetermined level. In the form shown a valve 13 in the nozzle is held in the open position against the action of a spring by fluid pressure acting on a bellows 15 housed in. a chamber 16 provided with a leakoff port 17. The pressure fluid supplied to the chamber 16 is the exhaust from a fluid pressure motor supplied with compressed air through a conduit 21. This motor which comprises a double-acting piston 23 associated with a fluid-actuated reversing valve 24 and a handoperated shut-off valve operates through a rod 26, a piston 27 working in a cylinder 28 provided with a side inlet port 30 and a restricted outlet port 29. Normally air enters by ports 29 and 30 and is compressed by the movement of the piston, some escaping through the port 29. When the liquid level reaches the ports 30 liquid enters the cylinder and slows up the reciprocation of the fluid pressure motor thus reducing the supply of exhaust fluid to the bellows chamber. Owing to the pressure of the bleed port, the pressure acting on the bellows falls away and allows the spring to close the valve. A supplementary valve coupled by a lever with the main shut-off valve opens up a supply of compressed air to an alarm whistle when the main valve closes. This fitting is put out of action at the same time as the motor is stopped by manipulating the hand actuated valve.
Patent GB-1190488-A (GB)
Title: Improvements in or relating to Clips which may be Used in the Medical Field.
Inventor: JONCKHEERE LUCIEN JULIENNE ART
IPC: A61B17/122
Filed: 1968-05-30
Abstract: 1,190,488. Surgical clamps. L. J. A. JONCKHEERE. 17 Oct., 1969 [30 May, 1968], No. 26012/68. Heading A5R. [Also in Division E2] A clip comprises a body formed of plastics material as a single part consisting of two opposed arms 1, 2 and a flexible resilient waisted section 3 linking the arms at positions intermediately of their ends, the resilient waisted section constituting a common fulcrum about which each arm is pivotal relatively to the other arm, one pair of adjacent end portions 4, 5 of the arms (being mating jaws of the clip and the other adjacent end portions 6, 7 being finger grips, and spring means 9 engaging the finger grips to urge the finger grips apart and thereby force the jaws together. In the construction shown the spring means is a generally V-shaped leaf spring the apex of which fits against the waisted section and the legs being housed respectively in recesses formed along the inner facing sides of the end portions 6, 7 which form the finger grips. Suitable plastics material for the clip are nylon or polypropylene or any thermoplastic material and the leaf spring is either of a plastics material such as acetal resin or of metal. The outer surfaces of the finger grips are serrated.
Patent GB-1017439-A (GB)
Title: New amino-acids and process for preparing same
Inventor: KEBERLE H
IPC: C07D211/88
Filed: 1964-06-24
Abstract: The invention comprises compounds of general formula <FORM:1017439/C2/1> wherein R represents halogen or trifluoromethyl; their salts; and their preparation (1) from compounds <FORM:1017439/C2/2> by adding on water at the isocyanate group and decarboxylating the resulting carbamic acid, the starting material being preparable by treating a compound <FORM:1017439/C2/3> with an alkali metal hydro and an alkali metal hypohalite in aqueous solution; (2) from compounds <FORM:1017439/C2/4> <FORM:1017439/C2/5> <FORM:1017439/C2/6> wherein R1 is acyl and -COOR11 is esterified carboxyl, by hydrolysis.  Resolution of optical isomers is mentioned. b  - (p - Chloro - or bromo - phenyl) - glutaric acid imides are prepared from the acid anhydrides with aqueous ammonia.  Reaction of p-bromobenzaldehyde and ethyl acetoacetate yields p - bromobenzylidene bis-aceto-acetic ester which is hydrolysed to b -(p-bromophenyl)-glutaric acid of which the anhydride is obtained with acetic anhydride.  4 - (p - Chlorophenyl) - pyrrolidone - 2 and g  - amino - b  - (p - chlorophenyl) - butyric acid are both obtainable by catalytic reduction of b -cyano-p-chlorodihydrocinnamic acid ethyl ester. LiAlH4 reduction of the last-named yields 4-amino - 3 - (p - chlorophenyl) - 1 - butanol from which the 4-acetylamino derivative is obtained with isopropenyl acetate, oxidation then yielding g  - acetylamino - b  - (p - chlorophenyl) - butyric acid. Pharmaceutical compositions comprise compounds of the invention with carriers.  Preparations mentioned are tablets, dragees, capsules, solutions and suspensions and administration may be oral, rectal or parenteral; incorporation in animal food for veterinary use is also mentioned. The compounds inhibit the CNS.
Patent GB-174394-A (GB)
Title: An improved candlestick
IPC: F21V35/00
Filed: 1920-09-13
Abstract: 174,394. Jones, J. R., May, T. J., and Williams, T. Sept. 13, 1920. Candle-holders.-A tube B of a length greater than its diameter and formed with air and grease apertures D, C is provided in the sockets of candlesticks to assist in firmly supporting the candle and for supporting the wick, when the candle has burned down, until all the grease is consumed. The tube is formed with a sharpened upper edge to pierce the candle. In a modified form, shown in Fig. 2, the tube B is provided with a base-plate, which may be applied to the candle before insertion in the candle stick or may be dropped in or secured at a suitable height in the socket. According to the Provisional Specification, the tube is conical and is fixed half-way down the socket, which is also conical.
Patent GB-663605-A (GB)
Title: Improvements in or relating to a tailor's work table
Inventor: ROHDE PER JACK
IPC: A41H43/02
Filed: 1949-10-12
Abstract: 663,605. Work benches. RODERIK & CO., Ltd. Oct. 12, 1949, No. 26225/49. Class 61 (ii) The front edge of a tailor's work table 1 is cut away as at 2 to enable the user to work whilst seated on a chair. The right hand side of the table top may extend rearwardly of the user or alternatively this part may be cut away to allow a bust to be placed on the floor near the user's right arm. A foot board 10 is attached to an adjustable strut 8 and a detachable foot support 12 is adjustable on the leg 13.
Patent GB-1424625-A (GB)
Title: Device for continuously removing  contaminants from a  fluid stream
IPC: B01D35/18
Filed: 1973-06-01
Abstract: 1424625 Filtration and vaporisation apparatus AMERICAN EQUIPMENT CO 1 June 1973 26292/73 Addition to 1337684 Headings BIB and BID Apparatus for removing solid and liquid contaminants from a liquid, e.g. lubricating oil, of the type described in U.K. Specification 1337684 is modified by a lid 206 having a downwardly projecting heat radiating portion 220 having a flat lower face 222 disposed closely above the upper surfaces of the bosses 216 on plate 202, the radiating portion of the lid defining a deep interior well 224 having a bottom extending parallel to the face 222 and containing an electric heating element 240 at its bottom and the lid further including a plurality of heating fins 250 projecting downwardly from the face 222 into close proximity to the side walls of the bosses for heating thin films of liquid flowing down these side walls. In use, liquid to the treated enters cylindrical vessel 200 at bottom inlet 254, is filtered by the fibrous filtering material contained therein and passes upwardly through the passages 210 and restrictions 212. Volatile impurities are vaporised as the liquid flows down the heated inclined sides of the bosses 216 surrounding the upper end of the passages. The vaporised impurities are discharged through outlet 248 whilst purified liquid drains off at 256. The lid and plate 202 are interconnected by a bolt 230 and the plate 202 is set in the correct position by the correlation of indexing lugs 203 on the vessel and corresponding lugs on the plate surface.
Patent GB-987774-A (GB)
Title: Improvements in or relating to drinking devices suitable for use by animals
IPC: A01K7/00
Filed: 1962-07-10
Abstract: 987,774. Animal drinking appliances. M. SEYMOUR. July 10, 1962 [July 11, 1961], No. 26399/62. Heading A1M. An animal drinking appliance comprises an open-topped well 50 communicating with a surrounding annular reservoir 16 by means of openings 60, 62, the arrangement being such that liquid only passes from the reservoir to the well when the level in the well falls below the opening 60. The outer member 12 of the device is moulded in one piece from sheet plastics material and is provided with a downwardly extending flange 28 with a lip 29 against which fits an inner member 14 forming the well. The device is filled through an opening 32 in the outer member 12 or the member 14 is removed and the member 12 filled to the level of an opening 31 in the flange 28, the member 14 then being replaced so that the part 40 covers the opening 31. The upper edge of the member 14 is formed with a pouring spout and a bowl 70 may be supported in the member 14 so that the appliance may be used as a feeding bowl.
Patent GB-264059-A (GB)
Abstract: 264,059. White, A. E., (International Time Recording Co.). May 25, 1926. Factory and like time-recorders. card-type.- In a workmen's time recorder the operating parts such as the manipulative devices, printing unit. clock unit, &c. are formed as separate units and readily removable from a framework that is removably mounted on a supporting back plate the whole being enclosed within a cover adapted to be locked to the back plate and readily detached therefrom for inspection purposes or replacement of units. In the form shown a common driving device operated by a single impulse magnet is provided for the time type and clock units. A main supporting plate 10, Figs. 1 and 6, is secured as by screws 11 to a wall and supports a framework comprising a base plate 12, and frame plates 13, 14 as by screws 18 and slotted brackets 17, 19. A cover or casing 20 encloses the framework and has lugs 21 for engaging co-operating members 22 on the back plate and a lock 23 for co-operation with a lug 25 on the baseplate 12. The casing 20 also carries a clock bezel 26 through which the clock dial 30 is visible. The impulse magnet 33 is carried on a bracket 32 and to prevent breaking of the electrical connections when the framework is removed the magnet terminals 36 are connected to spring contacts 35 co-operating with circuit terminals 31 mounted on an insulating plate secured to the back plate 10. The. clockwork is carried on a plate 44 secured to an. extension 51 of the framework and is actuated by a ratchet wheel 43, Fig. 3, and pawl 42 on a bell crank 41 connected by a link 40 to the armature 37 of the electromagnet 33. The type wheel 51<a> is also mounted on the framework and is actuated from the armature 37 by means of a pawl 55 and notched wheel 53, Fig. 8; the armature engages a pin on the extension 59 of a locking pawl 56 to which the pawl 55 is pivoted. The wheel 53 drives the units type wheel and from the type wheels is driven concurrently a train of wheels 60 operatively connected through a shaft 61 and pinion 62 a disc 63 carrying adjustable elements for co-operation with other parts of the mechanism.
Patent GB-620663-A (GB)
Title: Improvements relating to pilot or relay valves
IPC: C10B27/06
Filed: 1945-10-10
Abstract: 620,663. Fluid-pressure servomotor control systems ; valves. AUSTRALIAN IRON & STEEL, Ltd. Oct. 10, 1945, No. 26520. Convention date, Nov. 14, 1944. [Class 135] A fluid-pressure servomotor control system for controlling a damper in a gas main, e.g. to regulate the supply of air to a blast furnace comprises a relay valve 11, Fig. 1, connected by a pipe 10 to the liquid-sealed bell 8 of a servomotor 9 which is operatively connected by a lever 7 to a damper 5 in an air-supply main 6, a pipe 12 to the main 6 or other supply source, and a pipe 14 with exhaust. The valve casing is 'formed with opposed inlet and outlet ports 23, 24, Fig. 4, controlled by spring-loaded valve members 28, 29 loosely mounted on a common spindle 27 provided with shoulders 27A spaced at a slightly greater distance apart than the ports, so that in the neutral position of the valves both are slightly open. The spindle 27 is operatively connected at its lower end to a lever 18, the other end of which coacts with another liquid-sealed bell 17 subject through a pipe 15 to the pressure on the outlet side of the damper. In a modification, the lever 18 is dispensed with and the bell 17 is connected directly to the spindle 27 which is offset from the ports and carries flat springs 32A, Fig. 2, on which are mounted valve members 28A, 29A.
Patent GB-659000-A (GB)
Title: Hose extending and latching mechanism
IPC: B67D7/40
Filed: 1948-10-12
Abstract: 659,000. Storing hose. BOWSER, Inc. Oct. 12, 1948, No. 26566. Convention date, Oct. 24, 1947. [Class 99(ii)] [Also in Group XVIII] A liquid-dispensing apparatus with a hose connected to the flow within a housing and extending through an opening and in which the hose can be carried by a hose support includes means for supporting the hose within the housing in a loop having upper and lower bights, a movable weight disposed in the lower bight and a latching mechanism adapted for movement to and from a position wherefrom the weight is held against downward movement. The hose 77 passes downwards, from the end of the discharge pipe 25, inside a channel 27, bends to form the lower bight of the loop, passes upwards inside a channel 29 and into a curved channel 35, leaves the housing through an opening 37, and is looped outside the housing and its nozzle 79 placed on the hose hook 81. The hose retrieving weight 47 consists of two parallel plates held together by spacing rivets 53 disposed in a smooth curve. The hose passes beneath the rivets 53, on which rollers 57 are placed, and the weight 47 thus rests in the loop and tends to pull the hose into the housing. The latching mechanism comprises a bell crank 93 pivoted at 87 and consisting of two side plates between which a weight 95 is welded at the end of one arm and a roller 91 mounted at the end of the other arm, the weight 95 thus urging the roller to press on the top of the hose and latch it against inward movement. The latching mechanism is interlocked with the register reset mechanism, the motor switch and the hose support 81.
Patent GB-1345567-A (GB)
Title: Process for the production of polyamide mouldings by the  activated anionic polymerisation of lactams
IPC: B29C45/00
Filed: 1971-04-19
Abstract: 1345567 Injection moulding polyamides BAYER AG 19 April 1971 [13 April 1970] 26575/71 Heading B5A [Also in Division C3] The anionic polymerization of caprolactam, with or without comonomers, containing a basic catalyst, activator and viscosity regulator, is initiated in the barrel of an injection moulding machine below the melting temperature of the final polymer, the polymerizing melt is injected into a mould heated at 80 to 180‹ C., polymerization is completed in the mould under the injection pressure and the resulting moulding recovered from the mould and optionally heated at 80 to 180‹ C. for ¢ to 6 hours. Hydraulic or, preferably, screw injection moulding machines may be used and suitable injection units according to whether the lactam is to be introduced as a melt or melted in the barrel are described. In an example the moulding material is delivered by a gear pump from a heated hopper to an injection cylinder which is heated separately in three sections of equal length. When the screw reaches its rearmost position both it and the gear pump are automatically stopped. The injection cylinder may be heated to the same temperature over its whole length, an oil heated cylinder being preferably used.
Patent GB-1403889-A (GB)
Title: Proportional thrust control for levitated vehicles
IPC: B61L13/00
Filed: 1973-06-04
Abstract: 1403889 Pneumatic control system UNIFLO SYSTEMS CO 4 June 1973 [2 June 1972] 26578/73 Heading B7H  The pneumatic control system described in Specification 1,403,888 for controlling the movement of levitated vehicles along a track is improved by varying the amount of fluid thrust applied to the vehicles via track sections 15 as a function of their speeds. A vehicle entering track section A actuates pneumatic detector 12A which applies a signal to a timer 13C of a track section C which is two sections in advance. At the end of its timing period the timer supplies a signal to a thrust control valve 14C which opens to a minimum value which increases with time towards a maximum until the arrival of the vehicle at detector 12C halts the opening process. The period of timer 13C is set such that a vehicle travelling at the correct speed arrives at detector 12C at the end of the period and hence receives zero or minimum thrust via valve 14C and thruster section 15C. A slower vehicle receives an amount of thrust which is a function of how much longer than the period of timer 13C it takes to travel the two track sections. On, e.g. downhill sections of track reverse thrust can be applied to overspeeding vehicles which are detected by the arrival of a signal from a track section entry detector before the associated timer 13 has timed out.