baber/WOPTO huggingface dataset:
Patent GB-689746-A (GB)
Title: Improvements in footwear
IPC: A43B3/12
Filed: 1950-02-20
Abstract: 689,746. Rubber-soled footwear. ROLLMAN, E. E., and SZERENYI, A. Feb. 20, 1951 [Feb. 20, 1950], No. 4283/50. Class 17 (ii). [Also in Group V] A sole of sponge rubber is vulcanised in situ to an upper before the upper is formed into its final shape. Distortion of the upper by heat during vulcanization is thereby avoided. The upper may be 'cut, and formed after vulcanization of a piece of upper material to the sole, or it can be cut and partly stitched before vulcanization, and formed into final shape after vulcanization. In the form shown in Fig. 1, the upper is formed by tongues or flaps 3 extending from the edges of a sock lining 2 and connected together around a foot by a lace passed through holes 4, or by an ornamental instep piece. The flaps may be of different material from the sock lining. In an alternative construction, shown in Fig. 4, suitable for upper material 15 with a smooth polished outer surface, the upper, inside-out, is vulcanized to a sponge rubber sole 18 between a relatively flat extension 17 on a last 16 and a frame 20 and bottom plate 19 and is then reverted so that the sponge rubber comes inside the upper.
Patent GB-556437-A (GB)
Title: Improvements in circuit arrangements for direct current dynamo electric machines
IPC: H02P5/69
Filed: 1942-03-31
Abstract: 556,437. Running generators in parallel. ARNOLD, H. T., LAZARUS, S., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. March 31, 1942, No. 4308. [Class 38 (iv)] [Also in Group XXXVII] Direct current generators running in parallel and direct current motors sharing a common load have their loads balanced by cross connection of interpole windings IP1, IP2 as in Fig. 1. More than two machines may be balanced similarly by connecting in series with each machine an interpole winding of another machine which winding is not in series with any other. Interpole windings may be sectionalized for this purpose and each armature circuit containing a section of an interpole winding of each of the other machines. Series windings may be employed in addition, either in normal connection or cross connected for balancing purposes. Two machines may have additional excitation relatively adjustable by a tapping either on a potentiometer across shunt fields in series relation or on a resistance connecting shunt fields in parallel relation. The application to a two motor drive for a submarine is described. The interpole windings are connected so that they exercise their normal function in commutation.
Patent GB-564851-A (GB)
Title: Improvements in automatic record changing devices for gramophones
IPC: G11B17/02
Filed: 1943-03-18
Abstract: 564,851. Magazine gramophones. AGABALTIC AKTIEBOLAG. March 18, 1943, No. 4407. Convention date, March 20, 1942. [Class 40 (ii)] Relates to magazine gramophones of the kind in which the record-changing operation is performed by the rotation of a cam 13 requiring an initial impulse, for example to cause it to be gripped by a driving pinion 12 on the spindle 10 of the turntable, as described in Specification 568,663, and also of the kind in which a frictionally coupled member is displaced when the pick-up is moved quickly by the quickpitched inner groove of a record disc, the displacement of the frictionally held member serving to set the record-changing mechanism in operation. According to the invention, the cam 13 is provided with a cam lug 24 normally holding up a spring blade 18 which is frictionally coupled to the spindle 15 of the pick-up arm 16, but is periodically pushed back by a pin 23 on the turntable spindle during the playing of a record. When the pick-up is given a quicker movement at the end of the record, the spring blade 18 snaps down in front of the cam lug 24, so that when the blade is next pushed back by the pin 23 it transmits an impulse to the cam 13, causing it to be driven by the driving pinion 12.
Patent GB-470615-A (GB)
Title: Spark chamber for small automatic electric cut-outs
IPC: H01H9/34
Filed: 1937-02-15
Abstract: 470,615. Spark-preventing in switches. LEYHAUSEN, W. Feb. 15, 1937, No. 4433. Convention date, March 27, 1936. Addition to 470,521. Drawings to Specification. [Class 38 (v)] The invention described in the parent Specification is improved by dividing the spark-chamber into a plurality of compartments by partitions arranged parallel to the direction of contact-movement and to the arc gap. Preferably two partitions are arranged on each side of the chamber and are united by cross-members.
Patent GB-1029367-A (GB)
Title: Machine and method for the treatment of chocolate
IPC: B01F7/00
Filed: 1964-02-03
Abstract: 1,029,367. Chocolate. HERMANN BAUERMEISTER MASCHINENFABRIK G.m.b.H. Feb. 3, 1964 [Feb. 26, 1963], No. 4490/64. Heading A2B. A machine for conching and emulsifying the ingredients of a chocolate comprises an open-topped twin trough in which the two halves intersect and are inclined, each trough containing a rotatable shaft carrying at least one protruding vane, the vanes being twisted so that they are horizontally disposed whilst in the overlapping portions of the troughs. Fig. 3 shows a section through one of the inclined troughs and Fig. 1 is a top view of the twin troughs viewed axially. Each trough has a rotating shaft carrying a pair of vanes 12<SP>1</SP>, 12<SP>11</SP> which are twisted so that they are horizontal whilst in the region common to both troughs. The vanes may have apertures, as shown, and one vane may carry a scraper 13 for the outer wall. A scraper 14 may rotate over the bottom of each trough and there may be a vaned agitator 14 rotating with the vanes. The mix may be removed through exits 19 by double ended worm conveyer 20, driven by motor 22, into a common collecting line 21.
Patent GB-826559-A (GB)
Title: Improvements in semi-conductor devices
Inventor: SABY JOHN SANFORD
IPC: H01L31/00
Filed: 1958-07-01
Abstract: 826,559. PN junction devices. GENERAL ELECTRIC CO. July 1, 1958, No. 4520/55. Drawings to Specification. Class 37. A method of making a PN junction device comprises diffusing a material consisting of 90 to 99% by weight indium and the remainder arsenic or phosphorus or a mixture thereof into a surface region of a P-type semi-conductor body, e.g. of germanium or silicon. In the preferred embodiment a mixture of 90% indium and 10% arsenic is heated in contact with a P-type germanium body at 600‹ C. The mixture may be applied to the body in solid or liquid form or may be deposited by an evaporation process. As a further alternative the body may be exposed to the vapour of the mixture. The region into which the material diffuses becomes N-type because of the high diffusion rate and solid solubility of the arsenic or phosphorus, the purpose of the indium being to give improved mechanical and hence also electrical properties to the device. Specification 728,129 has been referred to. Reference has been directed by the Comptroller to Specification 801,713.
Patent GB-923247-A (GB)
Title: Improvements relating to spray producers
Inventor: GAMMON ROBERT GORDON
IPC: B05B3/04
Filed: 1961-02-07
Abstract: 923,247. Rotary garden sprinklers. TUDOR ACCESSORIES Ltd. Dec. 8, 1961 [Feb. 7, 1961], No. 4562/61. Class 69 (3). A water sprinkler comprises a hollow body 1 (Fig. 2), having a water inlet 7, for attachment to a hose-pipe 8, and a water outlet 4 coaxially in which is rotatably mounted an axiallyflared circular deflector 9 the smaller end of the deflector being towards the outlet and the sloping surface having ribs 12 so that water emitted from the outlet 4 impinging against the ribs causes the water deflector to rotate. The water inlet is tangential to the circular body so that an initial swirling motion is imparted to the water which continues up the tube 5 giving the water a component of velocity normal to the ribs which are curved.
Patent GB-1398501-A (GB)
Title: Purification of 2-pyrrolidone
IPC: C07D207/263
Filed: 1973-01-30
Abstract: 1398501 Purification of 2-pyrrolidone S F POSZTASZERI 30 Jan 1973 [7 Feb 1972] 4611/73 Heading C2C [Also in Division B1] Substantially pure, substantially anhydrous 2-pyrrolidone is obtained from commercial liquid 2-pyrrolidone, by: (a) dissolving in the commercial 2-pyrrolidone from 0À1 to 0À8% by weight, based on the weight of the 2-pyrrolidone, of an analytical grade substantially anhydrous alkali metal or alkaline earth metal hydroxide (e.g. KOH); (b) slowly applying the solution to a surface heated to a temperature of from 90‹ to 120‹ C. under a pressure of not more than 5 mm. mercury in a molecular still (a falling film vacuum distillation device) to selectively flash-vaporize the 2-pyrrolidone while the non-volatile impurities of the solution remain on the heated surface together with the metal hydroxide; and (c) condensing and collecting the vaporized 2-pyrrolidone as substantially pure, colourless and odourless liquid 2-pyrrolidone. The commercial 2-pyrrolidone is preferably pre-purified by cooling to below its crystallization temperature but not less than 20‹ C., draining off the liquid impurities from the crystalline 2-pyrrolidone and warming the latter to not more than 28‹ C. to liquefy the same. Preferably the rate of addition of the solution to the heated surface is sufficiently fast to cause a small amount of 2-pyrrolidone to remain on the heated surface to function as a solvent for the impurities and for the metal hydroxide.
Patent GB-212242-A (GB)
Title: Improvements in or relating to steam condensers
IPC: F28B1/02
Filed: 1924-02-22
Abstract: 212,242. Metropolitan-Vickers Electrical Co., Ltd., (Assignees of Smith, J. H.). March 3, 1923, [Convention date]. Surface condensers; condenser systems.-In a surface condenser, especially one of the " radial flow " type is provided with a chamber 12 in which the air and other non-condensible gases are cooled before passing to the air pump, the chamber 12 is arranged circumferentially about the outside of a portion of the condenser shell. Any condensate from the chamber 12 passes to the hot-well 24 through a water seal, so that there is no direct communication between the chamber 12 and the condensate-outlet. The chamber 12 is cooled by water flowing through pipes 23 and communicates with the body of the condenser through a passage 29 which extends the length of the body of the condenser and opens into the upper part thereof. The openings through which the air passes to the chamber 12 are interrupted in the neighbourhood of the hot well 24 and the openings 16 through which the condensate passes. Circular walls 35, 36 form a water-seal in the hot well and separate the openings 16 from the chamber 12, which communicates with the outer side of the waer-seal through openings 22. Fig. 1, shows the invention as applied to a condenser in which all the condensing-tubes are somewhat spaced from the walls of the shell, but a form is also described in which the lower tubes are arranged close to the wall.
Patent GB-325099-A (GB)
Title: Compound for use as a water softener
IPC: C02F5/08
Filed: 1929-02-12
Abstract: 325,099. Bruton, G. R. Feb. 12, 1929. Incrustation, preventing.-A composition for adding to water to prevent incrustation is made by mixing soda ash, " Crex " (a mixture of sodium carbonate and bicarbonate), and powdered borax.
Patent GB-872242-A (GB)
Title: Improvements in or relating to animal-actuated watering pump
IPC: A01K7/02
Filed: 1960-02-10
Abstract: 872,242. Animal drinking appliances. NIEMOLLER, G. Feb. 10, 1960 [Feb. 11, 1959], No. 4699/60. Class 5(2). [Also in Group XXVIII] A transportable animal-actuated watering pump comprises a trough 2, Fig. 1, provided over a substantial part of its length with a cover 3 fitted at its outer end with a butt plate 4 engageable by the animal and secured at its inner end to struts 17 operably connected through links 16, 13 secured on a pivot shaft 14 to a pump plunger 10. The cover runs along the top of the trough on rollers 5, Fig. 4, carried on a shaft 6 passing through the cover. The ends 6a of the shaft are bent under flanges 2b on the trough to prevent the cover from lifting. The animal on pushing the butt plate raises the plunger 10 to admit water to the barrel 8. On release by the animal, the plunger falls under its own weight and water is transferred from the underside of the plunger to its upper side and passes over the edge of the barrel to be collected in a gulley 21 to flow down a channel 22 into the trough. Instead of the plunger pump a diaphragm pump may be used.
Patent GB-1371853-A (GB)
Title: Disc brakes
IPC: B60T1/06
Filed: 1972-02-01
Abstract: 1371853 Disc brakes CATERPILLAR TRACTOR CO 1 Feb 1972 4733/72 Heading F2E  A disc brake comprises a lever supported pad 14 on each side of the disc 10, an actuator disposed between the levers 20, and limit stops 64 serving to centre the levers when the brake is disengaged. In the construction shown the actuator is of the spring applied/fluid pressure release type. Each pad 14 is held in a recess in its associated lever 20 by a dog 24, the pad 14 engaging a raised area 26 in the base of the recess so as to permit rocking of the pad.
Patent GB-539668-A (GB)
Title: Improvements in or relating to phase modulation of high-frequency currents
IPC: H03C3/30
Filed: 1940-03-14
Abstract: 539,668. Phase modulation ; cathode-ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. March 14, 1940, No. 4818. Convention date, March 14, 1939. [Classes 39 (i) and 40 (v)] In a phase modulation system, an electron ray is controlled in intensity in accordance with a carrier voltage and the length of the ray is varied by the modulating voltages, the carrier with phase modulation appearing in a circuit connected to the target. In Fig. 1, carrier voltage 20 is applied to the grid 18 of a cathode ray tube, modulating voltage to the deflecting plates 22, 24, and the ray falls upon a curved target 16 connected to the output circuit. The time of travel of the ray thus depends upon the instantaneous value of the modulating voltage. Two electron rays may be controlled in push-pull, Fig. 2 (not shown). The target may be in the form of a surface of revolution 46, Fig. 3, the ray being caused to rotate by phase division of the modulating voltage the time of travel depending on the modulation. The ray may be controlled electromagnetically, Figs. 4 and 5 (not shown). The target may emit secondary electrons which are received by a further target to which the output circuit is connected. A number of stages of amplification and multiplication of phase deviation of secondary emission may be used. The beam may be of fan-shape.
Patent GB-562532-A (GB)
Title: Improvements in and relating to frames for beehives
IPC: A01K47/02
Filed: 1943-03-25
Abstract: 562,532. Bee-hive frames. KNOWLES, R. W. March 25, 1943, No. 4825. [Class 5 (ii)] The top-bars of beehive frames are slotted to receive the reduced central portions 6 of wooden spacing members 5. The projecting portions maybe undercut adjacent to the edges of the frames. Reference has been directed by the Comptroller to Specification 557,432.
Patent GB-285813-A (GB)
Title: Toilet glove and means for producing a rapid drying
IPC: A47K7/02
Filed: 1928-02-16
Abstract: 285,813. Lefranc, A. Feb. 21, 1927, [Convention date]. Gloves; sponge substitutes; drying. -A toilet glove is pierced with holes 2 which assist drying and through which a support can be passed to hold the glove during drying. Additional holes 3 may be provided. One support is shown in Fig. 3, and various forms are described. One construction of support comprises a wire ring pushed into the glove to maintain its walls apart., said ring being supported by a rod attached to a base ring.
Patent GB-779480-A (GB)
Title: Method and apparatus for the flame-scarfing of steel ingots, slabs or the like
IPC: B22D29/00
Filed: 1956-02-16
Abstract: 779,480. Shackles. BOCHUMER VEREIN FUR GUSSSTAHLFABRIKATION AKT.- GES., [formerly GUSSSTAHLWERK BOCHUMER VEREIN AKT.-GES.]. Feb. 16, 1956 [Feb. 16, 1955], No. 4897/56. Class 24. [Also in Groups XXII and XXX] In a flame - desurfacing apparatus (see Group XXII), an ingot 8<SP>1</SP> is lifted by tongs 9 suspended from a swivellable crank hook 10. The tongs have a shackle pin 15 connected to a plate 14 carrying a pair of shackles 12, 13 of which the shackle 13 is used for suspending the ingot from the hook 10 of the lifting mechanism, whilst the other shackle 12 is used for transporting the ingot by the hook 11 of a conventional crane after releasing the shackle 13.
Patent GB-802220-A (GB)
Title: Pump and filter unit for the lubrication oil of internal combustion engines
IPC: B04B5/00
Filed: 1957-02-13
Abstract: 802,220. Centrifugal separators. FIAT SOC PER AZIONI. Feb.13, 1957 [June 5, 1956; Oct. 31, 1956], No. 4933/57. Class 23 [Also in Groups XXVII and XXXIV] An internal combustion engine lubricating system comprises a centrifugal filter 42, mounted on the end of an extension 39a of the crank - shaft 39, to which oil is supplied from a gear pump 38 having a collar 38a mounted on the crank-shaft extension 39a. The pump 38 comprises gears 45, 46 which are driven from the crank-shaft extension through gears 48, 49. Rotation of the pump body with respect to the crank-case is prevented by a dowel 57. Oil from the pump flows into an annular channel 38c in the collar 38a from which it flows through radial ducts 39c in the crankshaft extension 39a, through an annular channel formed between a bore 40 in the extension 39c and a tubular member 41, and outwardly through radial ducts 39d to the filter 42. On leaving the filter 42, the oil passes through the tubular member 41 to passages 39e in the crank-shaft 39. The filter 42 consists of a pan-shaped body, keyed to the shaft extension 39a, provided with vanes 42a and a cover 43. A sheet metal diaphragm 34 divides the inlet and outlet portions. The pump has a pressure relief valve 50. In another embodiment, shown in Fig. 4, the construction of the filter is modified slightly and the pump dowel is prismatically shaped.
Patent GB-956407-A (GB)
Title: Improvements in or relating to treating pure water
IPC: B01J49/00
Filed: 1962-02-08
Abstract: <PICT:0956407/C1/1> Water to be treated by ion-exchange enters stationary bed of mixed exchangers A through pipe 1 and purified water is discharged at 7. An exhausted similar bed or beds B is transferred to storage vessel C via pipes 181 and 191 by operation of pump 11. The exhausted resin mixture may be separated into components in separator D and regenerated separately in columns E and F and stored in vessels G and H respectively.  When regeneration is complete the resins are hydraulically conveyed to mixer 29 and returned to vessel B ready for B to act as the treatment vessel and A to be regenerated.
Patent GB-1368543-A (GB)
Title: Piston assemblies
IPC: F16J1/16
Filed: 1973-02-01
Abstract: 1368543 Pistons GENERAL MOTORS CORP 1 Feb 1973 [28 Feb 1972] 5073/73 Heading F2T An internal combustion engine piston assembly comprises a gudgeon-pin connection portion 32 having a transverse cylindrical hose 38, a gudgeon-pin 16 of lesser diameter than the bore and located eccentrically therein with clearance between the pin 76 and one side of the bore, which clearance is occupied by an arcuate bearing member 44 of cresent shaped section. The portion 32 comprises a central saddle portion 34 and spacer arms 36 and is connected by struts 30 with a piston head 20 interconnected with a separate skirt 14 by the gudgeonpin 16 whose ends extend beyond the portion 32 into openings 60 in bosses 62 on the skirt. The openings 60 are closed by plates 64. The bearing member 44 is secured in the saddle portion recess 42 by end portions 72 of the member being deformed or preferably, sprung into recesses 70 in the portion 34. A connecting- rod 18 is secured to the gudgeon-pin by bolts 48 and cooling oil is supplied to the piston through passages 52 and 54 in the rod and pin and openings 56 and 58 in the member 44 and portion 34 respectively. The skirt is sealed to the head by a sealing ring 28.
Patent GB-389971-A (GB)
Title: Improved apparatus for converting heavy hydrocarbons into hydrocarbons having a lower boiling point
IPC: C10G9/20
Filed: 1932-02-20
Abstract: In a liquid phase cracking process the oils are preheated under pressure to conversion <PICT:0389971/III/1> temperature, e.g. 350 DEG C. without deposition of carbon, and are then cracked at the same pressure but at higher temperatures in a separate apparatus comprising separate reaction vessels mounted in parallel each of which is accessibly dismountable and capable of being put into or out of operation without affecting the remaining vessels.  Oil is fed from a reservoir 1 by a pump 2 through pipes 5, 5<1>, reaching to the bottom of preheating bombs 4, 4<1> heated in a furnace 8 so that the oil is agitated by streaming it in its own mass.  The oil preheated to about 350 DEG  passes through a header 11 into reaction tubes 14 arranged in parallel and provided with separate valves 12.  The tubes are about 2 metres long with an internal diameter of 15-25 mms. and are heated in a furnace 15 to about 400 DEG  C.  The products pass through tubes 16, condensers 18 and thence through branched pipes 21, 21<1>, the latter provided with valves 22 enabling individual tubes to be put out of action.  The products finally pass into vessels 20 where separation of condensate and gases is effected, the condensate passing through a pipe 23 into a distilling vessel 24 while the gases are separated from residual vapours in a cooler 30 and used in a series of gas burners dispersed in a passage in the furnace, the combustion gases passing over a wall in the furnace and then through a flue 33 into the heating chamber 8.
Patent GB-702509-A (GB)
Title: A gas-blast electric circuit breaker
IPC: H01H33/83
Filed: 1952-02-27
Abstract: 702,509. Gas-blast circuit-breakers. LICENTIA PATENT VERWALTUNGS GES. Feb. 27, 1952 [Feb. 28, 1951; May 30, 1951], No. 5130/52. Class 38(5) A circuit-breaker has at least one movable tubular contact through which blast gas passes to open an exhaust valve which is normally held closed by a spring and is reclosed when the contact reaches a certain position. As shown, the breaker has two co-acting movable contacts 21, each of which comprises a nozzle and a piston 3<SP>1</SP>, gas being applied to the right-hand face of the latter through an aperture 18<SP>1</SP> in a cylinder 4<SP>1</SP>, so as to move the contact to the open position. The exhaust valve 9<SP>1</SP> is normally held closed by a spring R but opens when the blast passes through the contact 2<SP>1</SP>. When piston 3<SP>1</SP> passes the end of a pipe 16<SP>1</SP>, pressure is applied to the left-hand side of valve body 9<SP>1</SP> and the valve is reclosed by its spring. The blast valve (not shown) is closed when a series isolator is opened or after a short time delay, after which contacts 2<SP>1</SP> reclose. One or two circuit-breakers may be arranged vertically or horizontally on a common pillar insulator, and may be connected in series with an isolator, the movable contact of which swings in a vertical or horizontal plane, Figs. 2-4, (not shown).