baber/WOPTO huggingface dataset:
Patent GB-1242713-A (GB)
Title: A method of producing case-hardened toothed gears
Inventor: CHESTERS WALTER THOMAS
IPC: C21D1/06
Filed: 1968-05-21
Abstract: 1,242,713. Carburizing and heat-treating gears. DAVID BROWN GEAR INDUSTRIES Ltd. May 20, 1969 [May 21, 1968], No.24103/68. Headings C7A and C7U. [Also in Division B3] A case-hardened toothed gear is made by forming a gear with a small surplus of metal on its tooth flanks from a steel containing one or more non- carbide forming elements such that it is rendered freeze-hardenable when its carbon content is increased above a level dependent upon the quantity of non-carbide forming elements present. The gear is then carburized, preferably gas-carburized at 925‹ C., to form a carbon gradient such that there is formed on cooling to room temperature, preferably at a rate of 1-20‹C. per second at 700‹C., an outer soft austenitic layer underlaid by a harder layer containing some austerite surrounding a soft core, the soft outer layer being thicker than the surplus metal. Finally the gear is cooled to room temperature, the surplus metal is removed and the gear freeze-hardened, preferably in CO 2  slush at -60 to -80‹C., to form a martensitic layer in the case. The gear is preferably tempered at 150 to 250‹C. after the freeze-hardening. The steel used preferably contains up to 0À21%, e.g. 0À1%, carbon and 5% to 10% nickel and a gear blank may be doublenormalized and tempered before forming the gear.
Patent GB-396562-A (GB)
Title: Improvements in charge moistening devices for internal combustion engines
IPC: F02M25/022
Filed: 1932-08-30
Abstract: 396,562. Spray carburetters. JACKSON, R. R. and ASHTHORPE, C. R. B., Brooklands Track, Weybridge, Surrey. Aug. 30, 1932, No. 24181. [Class 7 (iii).] To moisten the air supply of a carburetter, a jet 7 connected to a float chamber 3 containing water is positioned in the air intake 8. Reference, has been directed by the Comptroller to Specifications 105,130, 219,364, 223,899, and 263,529, [all in Class 7 (iii) Internalcombustion engines, Carburetting-apparatus &c. for].
Patent GB-685395-A (GB)
Title: New process of manufacture for reflex-reflecting materials
IPC: G09F13/16
Filed: 1950-10-04
Abstract: 685,395. Reflex reflectors. DELPIERRE, E. O. L. M. Oct. 4, 1950 [Nov. 3, 1949], No. 24207/50. Class 97 (i). [Also in Group XV] A reflex reflector is formed by roughening one face of a flexible metal sheet with a metal bristle brush or silicon carbide or corundum abrasive paper or powder and affixing crystal, glass or plastic spheres to said surface by means of adhesive or varnish. This surface may be entirely or partly coloured as by painting and coloured spheres may be used. The adhesive or varnish used to affix the spheres to the sheet may contain particles of metal or glass. Designs or letters may be painted on the metal sheet before the spheres are applied, or may be cut out of a metal sheet and then stuck on the roughened surface.
Patent GB-424792-A (GB)
Title: Improvements in or relating to thermionic valves
IPC: C10B25/06
Filed: 1933-08-31
Abstract: 424,792. Thermionic valves. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. Aug. 31, 1933, No. 24213. Convention date, Aug. 31, 1932. Addition to 423,167. [Class 39 (i)] The valve described in the parent Specification is modified by the provision of a plurality of further electrodes behind the perforated anode. The further electrodes are preferably insulated one from another, and may consist of grids, the one most remote from the anode being a grid of close mesh or an imperforated sheet. The invention is applicable to a screen grid valve having an internal resistance of at least 100,000 ohms.
Patent GB-1207324-A (GB)
Title: Improvements in and relating to the bonding of particulate and fibrous minerals
Inventor: TURNER JOHN HARRY WALLICE
IPC: B22C1/24
Filed: 1967-05-24
Abstract: 1,207,324. Binding particulate or fibrous material. HARDMAN & HOLDEN Ltd. 21 Aug., 1968 [24 May, 1967], No.. 24225/67. Heading C3N. Particulate or fibrous material, e.g. sand, is bound with a composition comprising (a) a liquid, oil-soluble basic salt of a carboxylic acid in which the metal is from Group II or III of the Periodic Table according to Mendeleev, and (b) an organic acidic material. It is preferred that the carboxylic acid residues of the said basic salts are those of unsaturated drying oil fatty acids; e.g. linseed oil, dehydrated castor oil or tall oil fatty acids. Suitable compounds for component (a) are reaction products of aluminium alkoxides with water and fatty acids derived from drying and semi-drying oils, the reaction products of divalent metal acyloxides with aluminium alkoxides and water, e.g. zinc alumino tallate, and the " overbased " alkaline earth metal soaps or salts. The organic acid material may be any carboxylic or sulphonic acid, the carboxylic acids preferably being unsaturated, e.g. tall oil fatty acids, linseed oil fatty acids, stearin pitches and similar polymeric compounds obtainable in fatty acid distillation processes, and dicarboxylic acids. The organic acidic material may also be an acidic polyester of the alkyd type, formed by the reaction of ethylene glycol, glycerol or pentaerythritol with an excess of a mixture of a drying oil fatty acid and phthalic acid or anhydride, isophthalic acid, azelaic acid, or trimellitic acid, or a mixture thereof. The basic salt and/or the organic acidic material may contain unsaturated acid residues capable of oxidative polymerization, which may be accelerated by incorporating paint driers, e.g. cobalt, manganese, lead or calcium soaps and per-compounds. When the two components of the binder are mixed they react to form a thermoplastic solid which is apparently a complex metallic soap. The bound material finds use in foundry cores and flooring tiles.
Patent GB-1384345-A (GB)
Title: Transformer housing
IPC: H01F29/02
Filed: 1973-05-22
Abstract: 1384345 Transformers MASCHINENFABRIK REINHAUSEN Gebr SCHEUBECK KG 22 May 1973 [26 May 1972] 24292/73 Heading H1T A transformer housing has two compartments each capable of retaining fluid 2, 3, and separated by a partition 1 attached to an interior wall 6, the partition 1 comprising a plurality of parallel plates 11, 12, 13 of insulating material spaced apart by mechanical means 8. A collar 4 provided on the internal wall 6 has a ring 5 retained in a groove for sealing the com. partments by contact with one plate 11, which is pressed against the collar 4 by a threaded member 7 engaging the collar 4 at one end and a nut at the other and passing through the plates 11, 12, 13 and intermediate spacers 8. Elongate electrical conductors 9 pass through the plates 11, 12, 13 and other spacers 8 and are sealed to the plate 11 by sealing rings 15. The compartments may house respectively a transformer having tapping points connected to the conductors 9 by terminals 10, and switchgear for making connections to contacts 14 at the other ends of the conductors 9. Holes 16 in the plates 12, 13, allow the fluid 2 to circulate more freely between the plates.
Patent GB-1005224-A (GB)
Title: Improvements in or relating to a burner for liquefied gas lighters
IPC: F23Q2/173
Filed: 1962-06-25
Abstract: 1,005,224. Burner valves. NATIONALE S.A. June 25, 1962 [July 4, 1961], No. 24367/62. Heading F4F. [Also in Division G3] In a liquefied gas lighter burner an adjustable passage to control the flow of gas, is formed by the space between a conical threaded screw 13 and a threaded bore in a body 1 screwed into a reservoir 3. The body 1 may be made of a soft zinc alloy and the screw 13 made of hard steel. The thread in the body 1 is formed by screwing the screw 13 into a bore in the body 1, or is machined to correspond exactly to that of the screw. The screw 13 has a square head 14 which engages longitudinal grooves in a bore 12 in a central part 6 rotatably mounted in the body 1. A knob 17 engages grooves 18 on the part 6 and is retained by a ring 19. The part 6 has a rib 7 which deforms a synthetic resin sealing sleeve 5 housed in the body 1, the batten having a top opening closed by a ball-shaped member 8 containing a piston 9. A flexible metal lining 10 on the piston 9 seats over a gas aperture 11 in the part 6. The body 1 has a lower recess containing cotton 15 fed with fuel by a wick 16. In a further embodiment, Fig. 3 (not shown) the square head of the screw slides in a square hole in the base of the body 1 and screws into a sleeve secured in the rotatable central part 6. In another embodiment, the screw is rigidly fixed and the bore is formed in an axially movable sleeve. The screw may be made by rotating a part of soft material in a threaded bore in a hard material.
Patent GB-160865-A (GB)
Title: Improvements in and relating to submarine exploration
IPC: E21B29/12
Filed: 1919-10-06
Abstract: 160,865. Forgie, J. Oct. 6, 1919. Diving-chambers. - Relates to apparatus for exploring the strata forming the bed of the sea and for like explorations. A chamber 21, Figs. 2 and 4, is anchored to the bed 22 by projections 31 and a hole is bored by a drill &c. 39, the contents of the boring as they pass up through the tube 30 being examined by the workmen in the chamber. Water may be circulated through the tube 30 during drilling by a pump 44. Communication with the surface of the sea is made by an airpipe 23 and electric cables &c., and foul air may be expelled by a pump 48. Relief workmen and supplies may be placed in a vessel 120, Fig. 14, and drawn down by a cable 130 and winding- engine 131, the cable being previously sent up from the chamber 21 by a buoy. The vessel 120 has a spherical chamber 123 universally jointed at 124. Water is drained from the compartment by the pipe 136, air can enter by the pipe 137 and water can enter by the pipes 140 when it is desired to disconnect the vessel 120. In a modfication, the chamber 123 is replaced by a cylindrical chamber with a conical door beneath. Fig. 4 shows the drill rod 39 within the tube 30 clamped to the support 32 provided with a valve. Slide valves 33 are arranged to prevent the entry of water when adding a length of tube or cutting off part of the tube.
Patent GB-366429-A (GB)
Title: Process for chemically improving drinking and service waters
IPC: C02F1/52
Filed: 1931-08-31
Abstract: Water is freed from sulphate ions by treatment with a barium salt, and, preferably after the deposition of the barium sulphate formed, with calcium sulphate.  The chloride, carbonate and aluminate of barium are mentioned as suitable salts.  The treatment with calcium sulphate may be carried out by passing the water through a porous slab of gypsum or a bed of granular gypsum.
Patent GB-683381-A (GB)
Title: Improvements in or relating to spring-loaded rollers for textile combing machines
IPC: D01G19/02
Filed: 1946-08-19
Abstract: 683,381. Combing-machines. TAYLOR, WORDSWORTH & CO., Ltd., and DENHAM, F. Aug. 27, 1947 [Aug. 19, 1946], No. 24587/46. Classes 120(i) and 120(ii) In a two-roller assembly for a combing machine, as shown the drawing-off rollers of a Noble combing machine, one roller 10 has its bearings 20 in fixed supports 14, 15 having open-ended guideways 22 alongside the roller trunnions, and the other roller 26 has its bearings 24 slidably mounted in guideways 22, a two-armed lever 30 being pivotally mounted in each guideway 22 with one arm pressing on the adacent bearing 24 and with the other arm forked at its end 31 where it projects out of the guideway, and spring means are provided urging the twoforked ends 31 together, there being provision for adjusting the spring means whilst under stress. As shown, the spring means consists of a compression spring located between a piston 35, carried by a rod 38, and the end 39 of a cylinder 34, carried by a rod 37. Rod 37 hooks on to one lever end 31 and rod 38 on to the other lever end. The spring loading can be varied by adjusting a nut 42 screwed on rod 38. Cross pins 27 in the guideways locate the bearings of roller 26 against endwise movement. Specification 605,043 is referred to.
Patent GB-861016-A (GB)
Title: Improvements in or relating to cocoa-butter substitutes
Inventor: CROSSLEY ANTONY
IPC: C11B7/00
Filed: 1956-08-10
Abstract: A process for the preparation of a cocoa butter substitute comprises partly hardening palm oil, suitably to an iodine value of not less than 10 and preferably not less than 25 by catalytic hydrogenation in the presence of a pyrophoric nickel catalyst supported on kieselguhr, and then fractionating the product, for example by fractional crystallization from anhydrous acetone, to obtain a fraction having an iodine value not greater than 45, preferably not greater than 42, a dilatation at 20 DEG  C. of not less than 1000 and preferably not less than 1750, and a dilatation at 35 DEG  C. of not more than 600, preferably not more than 200.  If desired, the cocoa butter substitute may be mixed with a Borneo tallow-type fat of which several examples are given, when the Borneo tallow-type fat constitutes 20-75% by weight of the composition, or with cocoa butter itself.ALSO:Chocolate and other confectionary which normally contains cocoa butter, incorporates a cocoa butter substitute obtained by partly hardening palm oil and then fractionating the product to obtain a suitable fraction having an iodine value not greater than 45, a dilatation at 20 DEG  C. of not less than 1000, and a dilatation at 35 DEG  C. of not greater than 600.  If desired, the cocoa butter substitute may be mixed with a Borneo tallow-type fat, of which several examples are given, when the Borneo tallow-type fat constitutes 20-75% by weight of the composition, or with cocoa butter itself.
Patent GB-841644-A (GB)
Title: Improvements in the packing of powdery or granular materials
Inventor: PIGOTT OWEN RUPERT
IPC: B65B61/24
Filed: 1957-08-02
Abstract: 841,644. Packaging. IMPERIAL CHEMICAL INDUSTRIES Ltd. July 9, 1958 [Aug. 2, 1957], No. 24644/57. Class 94(1). Bags 10 of powdered or granular material are flattened by passing them between a vibrating table 1 and a platen 3, the vibration being in a direction at less than 90 degrees to the table plane and having a component in the direction of movement of the bags to move them along. The platen system has high inertia and may comprise a plate 3 on pivoted arms 4, 5 with adjustable counterweights 8, 9.
Patent GB-311159-A (GB)
Title: Method and apparatus for straightening plates
IPC: H02K27/16
Filed: 1928-08-27
Abstract: 311,159. Ungerer, F. Aug. 27, 1928. Stretching. - A sheet is straightened by stretching and subjecting it at the same time to an additional strain by shaking in the stretching direction. The sheet l is held by the jaws b, c, the jaw b being connected by rods d to a yoke e carrying a piston actuated by a pressure cylinder. The other jaw c is adjustable for sheets of different lengths by means of screws h and nuts i bearing against a yoke k. For the shaking action the yoke k and jaw c are reciprocated transversely by means of a shaft w carrying eccentrics q, r actuating rocking levers o, p, connected to the yoke k and jaw c by blocks s, t and bolts u, v. The yoke k is guided in its transverse movements on the frame a by rollers m engaging tracks n. The eccentric r is slidable along the shaft w and the rocking lever p is mounted in a carriage x connected to the jaw c and movable along guides a<2>, brackets x<1> projecting on either side of the eccentric r so that the rocking lever p and eccentric r move with the jaw c when the latter is adjusted by the nuts i. In the simpler arrangement shown in Fig. 5 the jaw c<1> is movable transversely in a yoke c<3> secured to the adjusting screws h so that the jaw only is shaken, and in another modification, Fig. 6, the jaw c<2> is connected to the yoke c<4> by links z.
Patent GB-405372-A (GB)
Title: Improvements in or relating to oil seals for rotating shafts
IPC: F16C33/78
Filed: 1932-09-05
Abstract: 405,372. Stuffing-boxes. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, GRIFFITHS, L., 78, Biggin Hall Crescent, Stoke, and MORTON, C. J., 86, Wainbody Avenue, both in Coventry. Sept. 5, 1932, No. 24731. [Class 122 (v).] Oil is prevented from leaking along the shaft 4 by cork washers 1, 2 which are a tight fit on the shaft and are pressed against chamfered surfaces on the parts 5 and 6 by washers 8 and an interposed spring 7. A leather disc 9 held by a ring 10 also assists in preventing the travel of the oil.
Patent GB-1321358-A (GB)
Title: Process for accurately adjusting an electron beam during electron beam welding
IPC: H01J37/21
Filed: 1971-04-19
Abstract: 1321358 Electron beam welding apparatus STEIGERWALD STRAHLTECHNIK GmbH 19 April 1971 [24 March 1970] 24749/71 Heading H1D [Also in Divisions B3 and G3] A process for adjusting the focus and/or direction of an electron beam during welding comprises measuring the intensity of the reflected and/or secondary electron emission in preselected directions 6 ascertain the directional distribution of such emission and adjusting the beam in dependence thereon. Electron traps 1, 2 are arranged symmetrically of a welding beam 3 over a moving workpiece 5. The difference in current output from the traps 1, 2 is used by control means 6 to regulate the current in an electromagnetic focusing lens to adjust the focus 4 to an optimum height f, the current difference then being at a maximum. Control of the beam may alternatively be effected by regulating the acceleration voltage of the beam. In a second embodiment (Fig. 6, not shown) two spaced electron traps are located in front of the welding beam and two behind, the current differences being a maximum for the former pair when the beam is correctly focused and being a minimum for the second pair when maximum welding depth is achieved. Control of the beam is therefore effected in dependence upon the ratio of the two current differences. In a further embodiment (Fig. 7, not shown) three electron traps are arranged in line transversely of the welding line. In another embodiment (Fig. 8, not shown) one electron trap is arranged over the weld line and a second trap is shaped to receive emission over a part circular line surrounding the other trap. In a still further embodiment (Fig. 9, not shown) there are four traps arranged in two pairs on either side of the welding line.
Patent GB-391824-A (GB)
Title: Improvements relating to chucks or like work-holding members
IPC: B23B31/175
Filed: 1931-09-03
Abstract: 391,824. Chucks. SLOAN, H. E., 9, North Beacon Street, Hartford, and HIGHBERG, G. A., 22, Fennbrook Road, West Hartford, both in Connecticut, U.S.A. Sept. 3, 1931, No. 24751. [Class 83 (iii).] In a chuck wherein radially sliding jaws are actuated by a drawspindle extending through the chuck shaft, a motor is mounted on the rear end of the shaft and is connected to the spindle by gearing which moves the spindle axially. The chuck body 5 is secured to a hollow shaft 4 mounted in bearings 3 and has radial grooves 6 therein for the bases 7 to which the jaws 8 are attached. Slots 17 in the bases 7 have cross-pins 16 acted upon, to move the jaws, by levers 14 rocked by pins 13 in slots 12 in a slidable ring 11. A drawspindle 19 is secured to the ring by a screwed bush 18 and is provided at its rear end with a screw-thread 35 engaged by a rotatable nut 34. The nut is rotated by an electric motor 23 secured to a housing 20 on the shaft 4, the motor shaft carrying a pinion 25 engaging a gear 26 on a shaft 27 provided with a pinion 28 meshing with a toothed ring 30 which carries an internally projecting dog 32 lying in the path of an external dog 33 on the nut 34. The dogs 32, 33 provide lost motion between the ring 30 and nut 34 to allow the motor to speed up before engagement takes place. The sliding ring 11 is guided by a flanged bush 10 which also closes the front of the chuck, and more than one pair of dogs 32, 33 may be provided.
Patent GB-240874-A (GB)
Title: Improvements relating to lubricant compressors
IPC: F16N3/10
Filed: 1925-10-05
Abstract: 240,874. Tecalemit, Ltd., (Assignees of Soc. Anon. des Etablissements TÚcalÚmit). Oct. 3, 1924, [Covention date]. Addition to 214,986. Lever - actuated pumps; air, removing; single-acting suctionvalveless piston p u m p s ; mountings; suction reservoirs.-In a pump of the kind described in the parent Specification, the follower piston 12 slides on a guide-rod 6 which has means such as grooves 5, adapted to be engaged by spring pawls 2 on the piston, so that if the rod is pushed inwards the piston is carried with it to compress the lubricant. A stop 13 on the rod enables the piston to be withdrawn from the container. In another form. the rod engages the piston by means of spring-pressed balls arranged in a conical recess round the rod. Air may be expelled through a valve 17. The apparatus may be mounted on wheels 22.
Patent GB-360997-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04M15/10
Filed: 1930-08-19
Abstract: 360,997. Automatic exchange systems. AUTOMATIC TELEPHONE MANUFACTURING CO., Ltd., Strowger Works, GILLINGS, C., 28, Eldred Road, Mossley Hill, and BELAS, F. T., 24, Stanley Street, all in Liverpool. Aug. 19, 1930, No. 24844. [Class 40 (iv).] A single-motion switch TZ associated with the repeater at the outgoing end of a junction responds to the first or first two trains of impulses transmitted over the junction to operate selectively marking relays ZA, ZB and subsequently rotates continuously during conversation to effect multiple metering in accordance with the marking of the relays ZA, ZB. Line and release relays A, B energize when the junction is seized and the first train of impulses are repeated to the magnet TZM in series with sluggish relay C which closes the direct impulsing bridge across the junction. Relays BB, MD pull up. Assuming that the tariff is determined by the first digit, one or both of the relays ZA, ZB are operated over wiper 2a when relay C falls back. A homing circuit is now closed for the magnet TZM, and in the normal position of the switch TZ relay DA energizes. Upon reply of the called party, shunt-field relay D pulls up and releases relay MD, whereupon relay DD energizes to repeat the reply condition and connect up the relay DB to initiate metering. The switch TZ rotates continuously under control of an interrupter BPC and relay PU, and each time wiper 3a engages a terminal marked by relays ZA, ZB, relay J energizes and applies booster battery to the test wire 12, while near the end of each metering cycle a warning tone is applied to the lowering talking wire from a transformer TT. If the tariff is dependent on the second digit, either independently of the first digit or when the first digit has particular values, some or all of the terminals in the first half of the bank 2a are connected to a relay ZC, which upon operation causes the switch TZ to move to a subnormal position. Since relay DA has not operated, the magnet TZM responds to the second train of impulses sent over the junction and one or both of the marking relays ZA, ZB are operated over wiper 2a in the second half of its bank. Metering then takes place as already described. If a busy condition is encountered, relay I relapses in response to busy flash, releasing relay BB and connecting up relay BR, whereupon busy flash is repeated back by relay DD.