baber/WOPTO huggingface dataset:
Patent GB-106790-A (GB)
IPC: B01F15/04
Abstract: 106,790. Yoder, J. D. Dec. 21, 1916. Mixing fluids in flow.-Relates to apparatus for producing changes in the rate of flow of one fluid proportional to the rate of flow of another fluid, applicable for treating boiler feed-water with chemical and for other purposes. The raw water passes through pipes 2, 3, Fig. 1, into a mixing- tank T, which is also supplied with chemicalbearing water through pipes 9, 3 from a tank R, Fig. 3. The water is drawn from the tank R by a pump 55 into a pipe 34, part of it passing a valve 30, Fig. 4, and returning to the tank through a pipe 59, while the remainder passes through a pipe 61,'an orifice 64, Fig. 5, in a plug 63, a pipe 62, a receptacle 66, pump 68, and pipe 9. The rate of flow through the orifice 64 is determined by the valve 30, which is connected to a piston 24 in a cylinder C, opposite ends of the cylinder having pipes 21, 22 communicating with the pipe 2 on opposite sides of a partition 18 provided with an aperture 20. The valve 30 and its associated operating-devices are counterbalanced by a weight 46 adjustable on a screwed rod 42, which is adjustably mounted in the ends of springs 41, 44. The orifices 64, which may be cleaned by a spring- controlled needle 70, is preferably slightly above the level of the seat of the valve 30, and a ventpipe 69 open to the atmosphere is provided as shown. The apertured partition 18 may be replaced by a Venturi tube or Pitot tubes, and the rate of flow in the pipe 2 is measured by means of a piston 74 in a cylinder 73 connected with the pipes 21, 22 by pipes 21a, 22a. The piston-rod carries a pointer or marker 75 and is acted upon by a spring 80.
Patent GB-798643-A (GB)
Title: An improvement in or relating to milling cutters
Inventor: MAUGHAM ALBERT
IPC: B23F21/16
Filed: 1955-04-14
Abstract: 798,643. Milling-cutters. BROWN & SONS (HUDDERSFIELD), Ltd., D. July 2, 1956 [April 14, 1955], No. 10734/55. Class 83 (3). In a milling-cutter wherein the teeth c are held in longitudinal slots in the cutterbody a by pins d engaging recesses e, f formed in the tooth-roots b and in the slots, the recesses e in the walls of the slots are of part-circular section and those (f) in the roots b are of substantially V-shaped section, the pins d, bearing on one wall of the recesses f and forcing the roots b against the bases of the slots. A pin d is used at each end of the toothedblades of a hob and retained in position by an end-plate h, Fig. 1 (not shown), fixed by screws. The pins, of circular section or formed with a flat, may be tapered.
Patent GB-410310-A (GB)
Title: Improvements in the manufacture of paper or cloth
IPC: D21H17/25
Filed: 1933-04-11
Abstract: In preparing alkali cellulose a solution of caustic soda which has been cooled and diluted by crushed ice may be used.  Soft soap, resinous soap, castor oil soap &c. may be added prior to coagulation.
Patent GB-451922-A (GB)
Title: Improvements in and relating to ships' hatches
IPC: B63B19/24
Filed: 1936-04-15
Abstract: 451,922. Hatch fastenings. CAHILL, H., Iona Garage, Cross Guns Bridge, Dublin. April 15, 1936, Nos. 10826 and 10827. Convention dates, July 17, 1935 and Nov. 6, 1935. [Class 113 (i)] The batten bar D clamps the tarpaulin T against the coaming A by screws G working in brackets F secured to the coaming. The batten bars are provided with rings E which engage loosely with rings C formed on the brackets B. In a modification, the batten bars are hinged on pins P carried in blocks L in which the screws G working in the brackets B rotate.
Patent GB-527920-A (GB)
Title: Improvements in or relating to reinforced concrete slabs and structures formed thereby
IPC: E04H9/12
Filed: 1939-04-06
Abstract: 527,920. Reinforced concrete slabs. SOMMERFIELD, A., and SOMMERFIELD, K. J. April 6, 1939, Nos. 10838 and 25870. [Class 87 (i)] [Also in Group V] A reinforced corrugated concrete slab for use in a wall or lining in a trench, air raid shelter, house or hut has its upper edge of the same corrugated form as the roofing slab it is intended to support so that the two slabs nest together. The slab is preferably of the form shown in Fig. 1 the internal A, B, C, and external radii, A<SP>1</SP>, B', C' of curvature being equal, resulting in non-uniform thickness and accurate nesting. As shown in Fig. 5 the ends of side wall slabs 1 may be formed with upstanding key portions 2 which enter corresponding recesses or side roof slabs. The edges of the lining walls may be secured together by grouting or rendering, by means of pre-cast concrete T-shaped posts, by metal cover strips or by simple overlapping. Reinforcement projecting from the edge of the slabs may be used to connect the slabs to vertical steel rods around which a concrete keying member is cast. The second Provisional Specification describes a mould for slabs which comprises a frame carrying a number of spaced corrugated spacing members which are closed at their lower ends by aluminium distance pieces sealed by rubber, and shaped to produce the corrugated edges. Means acting on the edges of the slabs may be provided for vibrating in concrete during withdrawal of the spacing members en bloc. The slabs may be subjected to a compressive force in the opposite direction to facilitate separation.
Patent GB-614439-A (GB)
Title: Improvements in or relating to method and apparatus for making screws and the like
IPC: B21K1/46
Filed: 1946-04-09
Abstract: 614,439. Forging screws. NATIONAL MACHINERY CO. April 9, 1946, No. 10885. Convention date, April 27, 1945. [Class 83 (iv)] Forging-punches.-A device for heading screws or other articles comprises a pair of members carrying co-operating tools, movable means such as wedge means holding one of said tools against lateral movement with respect to its member and means operated during relative movement of the members towards each other, to move the wedge means and allow lateral movement of the tool. The invention is described in connection with a tool 17 for forming a four-winged driving socket in a screw blank 11 which has already been headed by another tool mounted on the slide of a multiple header. The tool 17 comprises a cylindrical block having at its forward end a spherical recess from the centre of which projects a piercing tip 33 with four wings or fins 34, and is a sliding fit within the forward end of a member 21. A sleeve 22 held in a cylindrical opening in the tool carrier 18 by a set screw 29 has at its forward end a conical internal surface against which the conical external surface of the member 21 is normally thrust by a spring 31 arranged around an anvil 25. The forward portion of the anvil and the rearward portion of the tool 17 have annular grooves 26a and 26b in which slide the inturned ends of a split sleeve 26c of a length such that the ends of the tool and anvil may separate by a distance 26d. In operation the blank 11 is placed in a die 12 and backed by an ejector rod 16 and the tool carrier 18 is advanced. As the tool engages the head 14, it moves rearwardly until it engages the anvil and then begins to form the recess in the head, being rigidly centred by the member 21. After the tool has entered the work to a limited extent, the member 21 engages the die 12 and is moved rearwardly against the action of the spring 31, thus disengaging the conical surface of the sleeve 22 and permitting the tool a limited lateral movement intended to avoid breaking strains in the piercing tip 33 due to the development of lateral pressures through non-uniformity of the work. During the backward stroke of the carrier 18, the tip 33 is withdrawn from the work through the action of the split sleeve 26c before the tool is again rigidly centred.
Patent GB-912299-A (GB)
Title: Improvements in or relating to parachutes
Inventor: DANN CHARLES LESLIE
IPC: B64D17/34
Filed: 1958-04-03
Abstract: 912,299. Friction brakes. IRVING AIR CHUTE OF GREAT BRITAIN Ltd. April 2, 1959 [April 3, 1958; Oct. 14, 1958], Nos. 10890/58 and 32802/58. Class 103(1). [Also in Group XXXIII] The paying-out of a parachute canopy reefing line is braked, or not, in accordance with the deceleration applied by the parachute to the load. Fig. 4 shows part of a canopy 1 with shroud lines 2. A reefing line 13 is attached to the canopy at one end by a ring 14, runs through loops formed on the skirt of the canopy, passes through ring 14 and down the interior of a tubular shroud line 15, and has its other end wound on a drum 18 mounted in a housing 17 on the load 16. Drum 18 has a brake drum 19 at one end, engageable by a band brake 20 secured to a lever 22 pivoted at 23 to the housing and having at its free end a weight 24. The weight is slidable in a casing 25 slotted to allow free movement of lever 22, and is subjected to the action of a tension spring 26. During a descent, a drag force or deceleration applied to the load in excess of a selected value depending on the weight and spring, extends the spring, applying the brake 20 and stopping dis-reefing of the canopy. When the deceleration drops below the selected value, the spring contracts and releases the brake, allowing dis-reefing to continue. In Fig. 6, the shroud lines 2 or selected diametrically opposite pairs of shroud lines, are connected to a link 32 rigid with a flanged disc 33, a spring 34 acting between the disc and one end 35 of housing 17. The housing also has brackets 28 with slots 29 in which arms 30 with brake blocks 31 are mounted. The arms 30 are pivotally connected to link 32. If the drag exerted on the load by the shroud lines, or such shroud lines as are connected to link 31, is above a predetermined value, spring 34 is contracted, and brake blocks 31 are applied to the drum 27 on which reefing line 13 is wound. Alternatively, link 32 may have a brake shoe which can bear on a brake drum secured to a pulley round which the reefing line passes, the free end of the line lying in a compartment in the housing (see Fig. 8, not shown). As before, drag in excess of a selected value results in application of the brake. Fig. 3 shows a strop connected between the shroud lines and the load, and composed of several strips 55 secured firmly together at points 56, 57. The strips are divided into two parts 58, 59, separated by two plates 60 faced with friction surfaces 61 grooved to receive a reefing line 52 between them. Two springs 62 (one shown), urge plate 60 apart to free the reefing line. If the tension in the strop exceeds a selected value, the springs are contracted and the friction surfaces 61 engage the reefing line.
Patent GB-679878-A (GB)
Title: Improvements in or relating to gentisic acid and its alkali metal and ammonium salts
IPC: C07C51/15
Filed: 1950-05-03
Abstract: A process for the preparation of the alkali metal and ammonium salts of 2,5-dihydroxybenzoic acid comprises subjecting an alkali metal or the ammonium salt of hydroquinone to reaction with carbon dioxide in the presence of water at a temperature of from 175 DEG  to 200 DEG C. and at a pressure in excess of 300 lbs. per square inch. The reaction may be carried out by heating hydroquinone with an alkali metal or ammonium bicarbonate under the specified conditions, giving as a first stage carbon dioxide and the corresponding salt of hydroquinone, which then react further. Additional carbon dioxide from an external source may be employed in this alternative. Gentisic acid is obtained by addition of acid to the salts obtained. The reaction may take place in a medium consisting of water alone or with a solvent, e.g. butanol, toluene, decahydronaphthalene, a petroleum fraction benzene, chlorobenzene, o-dichlorobenzene, and xylene.  Preferably 10 to 50 per cent of the total weight of solvents is water.  Examples describe the preparation of the corresponding salts of gentisic acid by heating at temperatures and pressures within the above range mixtures of (1) hydroquinone, sodium bicarbonate, water and added carbon dioxide; (2) as (1) but using potassium bicarbonate; (3) hydroquinone, sodium carbonate water and additional carbon dioxide; (4) hydroquinone, water, sodium carbonate and o-dichlorobenzene; (5) hydroquinone, sodium bicarbonate, butanol and water; (6) hydroquinone, potassium carbonate, toluene and water; (7) as (6) using ammonium bicarbonate; (8) as (7) with toluene in place of butanol; (9) as (6), using potassium bicarbonate; (10) as (4) using sodium bicarbonate.  The product may be recovered by acidification and extraction, e.g. with butanol followed by conversion to salts or evaporation to the free acid.
Patent GB-1060443-A (GB)
Title: Improvements in or relating to the manufacture of can bodies
Inventor: BUTTERY MICHAEL HARCOURT CHRIS
IPC: G01B7/287
Filed: 1964-03-16
Abstract: 1,060,443. Proximity detectors. METAL BOX CO. Ltd. Dec. 17, 1964 [March 16, 1964], No. 11026/64. Heading G1N. During manufacture a metal can of circular cross-section is locally preheated before soldering its longitudinal seam, and bowing or buckling of the can due to the heat is sensed by inductance coils disposed in proximity to the path of movement of the can longitudinally along a conveyer and the variation in inductance of the coils is translated into movement of a profile drawing pen recorder. In Fig. 2 (and Fig. 1 (not shown)) a can 1 carried by a conveyer 2 is heated by heaters 3. A lower and middle coil 5 senses the can body seam profile as the can is moved past it while outer coils 5 sense the side profiles. Each coil is connected to a respective detector unit Fig. 3 (not shown) the outputs of which are fed to an amplifier inverter which drives a twin channel pen recorder providing a trace of the profiles. In Figs. 4 to 6 (not shown) each trace (12) represents a can body side profile, and each trace (13) a seam profile and provide an instantaneous visual indication of the seam condition which may be compared with a set of master traces so that adjustment of the heaters 3 can be effected to eliminate deviation therefrom, before a can is passed to the soldering machine. In Figs. 4 to 6 (not shown) the peaks in the traces represent gaps between the can bodies.
Patent GB-890009-A (GB)
Title: Improvements in and relating to apparatus for the treatment of columns of particle laden gas
Inventor: LUNDY ALVIN SHETLER
IPC: F24F13/08
Filed: 1960-03-29
Abstract: 890,009. Confining dust generated in industrial processes. SCHEIBLE CO., CLAUDE B. March 29, 1960, No. 11102/60. Class 8(2). A rising column of dust-laden gas generated by a casting 11, Fig. 1, enters an open-fronted suction hood 13 whence it is divided into upper and lower relatively dust-free and heavily dustladen portions by a flap 21 pivoted at 22, Fig. 4, about a horizontal axis ; the two portions thereafter traversing suction ducts 15, 16 leading to atmosphere and gas cleaning apparatus respectively. Side flaps 19 pivoted about hinges 20 normal to the axis of hinges 22 and triangular plates 23 secured to flap 21 by a pin and slot means 24, 25 allow the shape of the chamber leading to one of the ducts to be changed whilst maintaining its area constant. Specification 651,660 is referred to.
Patent GB-266937-A (GB)
Title: Improvements in cleaner for the character bars of typewriters
IPC: A46B15/00
Filed: 1926-04-28
Abstract: 266,937. Ralston, F., V. April 28, 1926. Receptacles fitted to facilitate use of ink solvent.-A device for cleaning the character bars of typewriters comprises a brush 3, Fig. 1, and a fibrous block 4, placed side by side and secured to one end of a stem 2, the other end of which is provided with a stopper 1 adapted to fit the bottle containing a liquid solvent. The stem, as shown, is made of twisted wires bent backwardly at 5 to clamp the block 4 in place. In a modification, the ends of the wires are untwisted and straddle the fibrous block. In the construction shown in Fig. 5, the stem 16 has forked ends connected by a wall 19 to form a channel for the block. The wall has notches 22, 23 to receive the bent ends of the twisted wire stem of a detachable brush.
Patent GB-161958-A (GB)
Title: Improvements in apparatus for obviating over-regulation in automatic regulating devices
IPC: H05B7/152
Filed: 1921-04-18
Abstract: 161,958. Siemens-Schuckertwerke Ges. April 17, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Regulation, automatic systems and apparatus for.-An automatic electric regulator comprises an independent interrupter in the relay circuits adapted to prevent over-regulation. When applied to a three-electrode furnace each electrode is controlled by an independent motor and a common interrupter controls all the motors. A current coil a controls in part the circuits of relays r<1>, r<2>, the operating circuits of which include an interrupter k<1>, k<2>, s operated by an independent motor. The relays r<1>, r<2> control the direction of rotation of a motor m adapted to raise or lower an electrode e.
Patent GB-115979-A (GB)
Title: Improved Wrench.
Inventor: ELLIS GEORGE ALFRED
IPC: B25B13/50
Filed: 1917-08-03
Abstract: 115,979. Ellis, G. A. Aug. 3, 1917. Pivoted-jaw. wrenches; handles and shanks. - A pipe wrench, of the type having an outer jaw pivoted on a nut or block screwing on to a solid shank formed with the inner jaw, has a tubular handle which may be screwed on to the solid shank to strengthen it and increase the leverage. As shown, the jaw d is pivoted at c on a lug c on the nut or block b, which is tapped to engage the screw a<1> on the solid shank a. A tubular handle j engages preferably the same screw a<1> or an extension thereof. The inner jaw g on the end of the shank a is conical, and cupped at the end as shown at h.
Patent GB-504078-A (GB)
Title: Improvements in and relating to methods of cementing carbon bodies
IPC: H01J19/30
Filed: 1938-04-12
Abstract: 504,078. Direct connections between conductors. BRITISH THOMSON-HOUSTON CO., Ltd. April 12, 1938, No. 11225. Convention date, April 14, 1937. (Class 38 (i) [Also in Groups V and II] A method of cementing carbon to carbon or to a metal or alloy which with carbon will form a carbide or with a carbide will form an alloy, consists in coating the surfaces to be joined with a cementing composition comprising a carbonaceous agglutinant and powdered metal which with carbon will form a carbide or with a carbide will form an alloy, assembling the parts in position, and heating in a non-oxidizing atmosphere at a temperature and for a period sufficient to convert the cement into a bonding compound of carbon and metal. Examples of suitable metals in the cement are iron, cobalt, chromium, molybdenum, tungsten, uranium, vanadium, columbium, tantalum, titanium, zirconium, thorium and alloys of these metals. Examples of carbonaceous agglutinants are animal vegetable or mineral oils and carbohydrates such as sugars, starch and cellulose. In an example, a cement for uniting shaped parts of carbon and molybdenum comprises 80-90 parts of pure iron powder e.g. hydrogen reduced iron, and 20-30 parts of saturated sugar solution. The surfaces to be joined are coated with the paste the parts are assembled and with or without air drying, are heated in a non-oxidizing atmosphere e.g. to 1250-1450‹ C. for 2-10 minutes or more, to convert the cement, into an iron carbon compound. The invention is specially applicable for joiring shaped carbon or graphite parts to tungsten or molybdenum parts in electrical apparatus e.g. molybdenurn, rods or leads to graphite electrodes. The Specification as open to inspection under Sect. 91, comprises also the coating of shaped graphite bodies with metal by applying the cementing paste and firing in a non-oxidizing atmosphere. This subject-matter does not appear in the Specification as accepted. Reference has been directed by the Comptroller to Specification 12153/06, [Class 83].
Patent GB-142301-A (GB)
Title: Improvements in guards for vehicles
IPC: B60R21/34
Filed: 1919-05-05
Abstract: 142,301. Sleeman, W. G. R. May 5, 1919. Wheel guards and obstruction-removers. - A safety guard for the wheels of vehicles, such as motor-cars and locomotives, comprises a guard member 25 supported in front of the wheel by radial arms 17 having rollers 15, 19 with grooved or concave rims engaging inner and outer annular track members 14, 18 secured to the spokes. Preferably, the inner side of each wheel has an outer track 18 only. The lower end of the guard 25 is supported by a roller 26 which bears on the ground in advance of the wheel. The guard may be elevated to lift the roller off the ground for steering purposes. A wire guard may be arranged in front of the vehicle between the members 25.
Patent GB-288039-A (GB)
Title: Improvements in and relating to the securing of domestic wringers to kitchen sinks or the like
IPC: D06F45/00
Filed: 1927-04-27
Abstract: 288,039. McFarlane, W. April 27, 1927. Wringers, attaching to sinks &c.-One end of a bridge-piece 1 is slipped under an inverted U- shaped member 5 secured to a bar 7a fixed to the back of the sink and the other end is clamped to a wooden bar 7 secured to the front of the sink. The bridge-piece may be made of wood with a perforated metal tray 2, or may be made entirely of wood. Two spaced hollow metal uprights 4 to which the wringer is clamped are provided, one face of each upright being recessed and the other being ribbed.
Patent GB-927413-A (GB)
Title: Improvements in or relating to wheeled carriers
IPC: B63C13/00
Filed: 1961-03-28
Abstract: 927,413. Wheeled carriers. S. WEAVER. March 27, 1962 [March 28, 1961; Jan. 9, 1962], Nos. 11234/61 and 858/62. Class 108(1). A pair of wheeled carriers 10, are detachably secured to angle-section members 21 attached to the underside of a boat so that it may be towed as a trailer. Each carrier 10 comprises members 12, 13 pivoted together at 14 and urged apart by springs 15 so that the boat is resiliently supported on the stub axles 19. Extensions 18a and 18b of the side members 18 of the part 13 extend upward through slots in the upper part 14. The carriers 10 on either side of the boat may be interconnected by cross-braces and bolts 17 may be provided to limit the separation of the parts 12, 13. Extensions 23 detachably connected to the carriers 10 enable them to be positioned under the boat whilst afloat and davits 28 may also be provided.
Patent GB-123476-A (GB)
Title: Improvements in and relating to Tapering Presses.
Inventor: CURRAN CHARLES JAMES
IPC: B21D51/54
Filed: 1918-07-09
Abstract: 123,476. Curran, C. J. July 9, 1918. Cupped articles. - Helates to presses for tapering the cylindrical wall of a hollow article having a closed base and open end so that the outside diameter and thickness of the wall diminish as they extend from said base, and comprises an outer member o tapered on the inside and an inner member n cylindrical on the outside, both being fixed on a flange l of a reciprocating plunger c. A gradually narrowing annular space p is thus formed, in the entrance of which the lip of the article h is placed, and by the movement of the plunger c the article is brought against an abutment k and the required tapering produced by the material of the article being forced to fill the space p. An ejector is provided, consisting of an arm u pivoted to the plunger c and passing through a slot z<1> therein to engage a slidable rod q fitted with an ejector head s. The arm u is moved to eject the article h by a lever x fitted with a roller x<1> engaging an incline y, and is returned by a weighted lever z<2>.
Patent GB-874043-A (GB)
Title: Improvements in potentiometers
Inventor: GALLIENNE CYRIL JAMES
IPC: H01C10/32
Filed: 1959-04-02
Abstract: 874,043. Securing articles on shafts. RELIANCE MANUFACTURING CO. (SOUTHWARK) Ltd. March 29, 1960 [April 2, 1959], No. 11268/59. Class 80 (2). [Also in Group XXXVI] A bush 10, Figs. 1 and 2, carrying the wiper assembly of a potentiometer is secured to a spindle, not shown, by a bar 20 clamped across a milled flat 19 to bear against a similar milled flat on the end of the shaft. The arcuate slats 17, through which screws 16 freely pass, permit angular adjustment of the assembly on the bush. Specification 874,042 is referred to.