baber/WOPTO huggingface dataset:
Patent GB-657167-A (GB)
Title: An improved method of and apparatus for the production of oil gas adapted to be used as town gas
IPC: C10G9/00
Filed: 1949-01-27
Abstract: 657,167. Oil gas. GAZ DE FRANCE, SERVICE NATIONAL. Jan. 27, 1949, No. 2297. Convention date, Oct. 29, 1948 [Class 55(ii)] An oil gas which can be used as a town's gas is produced by vaporizing oil and water, mixing the oil vapour and steam thus formed and preheating to 400-450‹C, the mixture then being passed to an oil gas generator of known type wherein a sufficient amount of air is admitted to produce enough heat by partial combustion to crack the remaining oil vapour to permanent gas. In one form, the apparatus consists of a conventional generator 1 which receives a mixture of heated oil vapour and steam from a vaporizer 2. The latter comprises a jacket 3 heated by a burner 11 and containing a water heating coil 4 and vaporizer 5, feed at constant prssure from a pipe 6 and an oil heating coil 7 and vaporizer 8 fed from a vessel 9. The coils 5 and 8 are connected to a superheater coil 10 wherein the mixed oil vapour and steam are heated to 400-450‹C. The heated mixture then passes to the generator 1, just enough air also being admitted, through a pipe 13 to produce, by partial combustion, sufficient heat to fix the remaining oil vapour as a permanent gas. The superheated steam reacts with the oil vapour and cracking products to form CO and H2, the final gas leaving by an outlet 14 being suitable for direct distribution as town's gas.
Patent GB-883303-A (GB)
Title: Machine for harvesting potatoes or like root crops
Inventor: HAMBLIN HENRY JOEL
IPC: A01D21/00
Filed: 1959-01-21
Abstract: 883,303. Root crop harvesters. BRITISH SOCIETY FOR RESEARCH IN AGRICULTURAL ENGINEERING. April 21, 1960 [Jan. 21, 1959], No. 2308/59. Class 6(3). A root crop harvester comprises a share 7 arranged to oscillate horizontally in a direction which is transverse to the direction of travel of the harvester. The harvester comprises a frame 1 mounted on a tractor and supporting two vertical columns 3 which contain bearings for rotatable shafts 5, the shafts 5 being connected at their lower ends to the share 7 by links 6. One shaft 5 is connected at its upper end by means of a level 16 and a connecting rod 14, to an eccentric 13 mounted on a crankshaft 11 which is driven from a motor 9 mounted on the frame 1. The link 6 attached to this shaft 5 will accordingly be oscillated and cause the share 7 to move in the direction indicated by arrows 20. A riddling conveyer (not shown), situated behind the share 7, is also driven from the crankshaft 11.
Patent GB-846836-A (GB)
Title: Improvements relating to offset printing machines
IPC: B41L19/00
Filed: 1959-01-22
Abstract: 846,836. Printing-machines. ADDRESSOGRAPH-MULTIGRAPH CORPORATION. Jan. 22, 1959 [Feb. 13, 1958], No. 2404/59. Class 100(2) A rotary offset lithographic printing- machine includes a line selector device comprising an axially slidable member mounted on the blanket cylinder carrying a clamp for a thin, flexible mask to prevent printing from a portion of the blanket, index means on the blanket cylinder for indicating the position of the mask, and index means on a sheet feed table for enabling the alignment of a sheet with the masked and unmasked portions of the blanket. The mask M is clamped between plates 41a, 41b hinged on a spindle 42, pointed pins on the plate 41a engaging holes in the plate 41b. The plate 41 is fixed to a panel 43 of a Z-shaped bracket 45, a shelf 44 of which is formed with handles 58. The bracket 45 is slidable along a rail 46 secured by screws 62 to the leading end blanket clamp 54b of the blanket cylinder 26. The bracket 45 is held against the rail 46 and the plates 41a, 41b held together by springs surrounding bolts 47, squaresection portions of which run in an axial slot 51 in the rail. A catch 65 on the plate 41a engages in notches 66 in the rail 46. To adjust the mask, the handles 56 are raised slightly to release the catch 65, and the bracket 45 is moved manually axially by means of the handles, a pointer 50 co-operating with a line-indicator scale 59 secured to the trailing end blanket clamp 54a. Sheets 120 are fed from a table 28 carrying an equivalent scale 64. For printing from a complete master sheet, the mask is removed, the clamp being opened by the handles. When it is required to print repetitive and some variable data, the latter is printed first. All sheets to receive the first line of variable data are first fed, in correct alignment by reference to the scale 64, in turn, so that their lower edges (left edges in feed direction) are aligned with the bottom of the desired line, while the mask covers only the repetitive data. The mask is then moved to cover the first variable line while the second is printed, and so on. In every case, the printed matter is limited on one side by the mask and on the other by the edge of the copy sheet. The variable data portion of the master sheet is then removed, as by tearing along a line of perforations, from the forme cylinder, and an ink image again transferred to the blanket 55, all the sheets being printed with the repetitive data. Alternatively, the variable data part of the master sheet can be overlaid, or may be spaced so far from the repetitive data part as to avoid reproduction on to the sheets. An alternative form of clamp, wherein the slide member is U-shaped to engage round the rail, and is attached by an angle bracket to the plate 41b, the pins and holes on the plates 41a, 41b being omitted, is described, and illustrated in Fig. 9 (not shown). Specification 633,747 is referred to.
Patent GB-192404-A (GB)
Title: Diaphragms for acoustic apparatus
IPC: H04R7/20
Filed: 1923-01-26
Abstract: 192,404. Signal Ges. Jan. 26, 1922, [Convention date]. Diaphragms.-A diaphrgam for use in telephone instruments, relays, &c., is provided with circumferential corrugations r<1>, r<2> so that it may respond to temperature changes without bending and thereby causing changes in tuning and airgap, and with radial stiffening corrugations s, so that the central zone vibrates as a whole. The diaphragm is preferably of aluminium or aluminium alloy so that the central portion may be made relatively thick without undue increase in the oscillating mass. Specifications 3393/01 and 19879/05 are referred to. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a construction, Fig. 3 (Cancelled), in which slots i are cut in directions oblique to the radii, and a further construction, Fig. 4 (Cancelled), provided with apertures v, the centre of the diaphragm being connected to the periphery by narrow oblique strips a only. When assembled in a telephone receiver, the apertures v are covered by part of the casing or by other means on. one or both sides of the diaphragm. This subject-matter does not appear in the Specification as accepted.
Patent GB-697441-A (GB)
Title: Method and means for increasing the thickness of the base of a hollow article, especially a stamped metal cup
IPC: B21D22/02
Filed: 1952-01-30
Abstract: 697,441. Making cupped articles. MANUFACTURE DE MACHINES DU HAUT RHIN SOC. ANON. Jan. 30, 1952 [Feb. 5, 1951], No. 2525/52. Classes 83 (ii) and 83 (iv). Forging.-A method of increasing the bottom thickness of a metallic cup by cold forging comprises placing said cup into a closed die having a restricted lower portion, said cup resting on the portion intermediate the restricted and upper portions of the die, upsetting the bottom of the cup so that it fills the restricted portion of the die and thereby imparting the desired bottom thickness to the cup. A stamped cup 1 is placed in a closed die 5 having a lower restricted portion 7 the bottom of the die being formed by a punch 9 which also serves as an ejector after the upsetting operation. Co-operating with the die is a punch 2 having an end portion 4 and a shoulder 3, said end portion having the form of the cup cavity. The shoulder 3 of the punch engages the cup wall edge and the end portion 4 operates against the bottom of the cup cavity. Downward movement of the punch forces the metal constituting the bottom of the cup into the restricted bottom portion of the die thereby imparting the desired bottom thickness to the cup. The bottom thickness may be increased by up to 60 per cent of its initial thickness.
Patent GB-104196-A (GB)
Title: Improvements in Perforating Machines.
Inventor: POWERS JAMES
Filed: 1916-02-21
Abstract: 104,196. Powers, J. Feb. 21,1916. Selective punching-machines.-A machine for perforating cards comprises a carriage mounted to move step by step along a frame and having punches adapted to be actuated by key-levers through cams to perforate a card positioned in the frame. The carriage 20 has rollers 18, 19 engaging tracks 15, 16 in the side members of the framd F, and is advanced by a spring-actuated escapement mechanism mounted upon it. The key-levers 34 pivoted at 35 have projections 36, Fig. 2, engaging with cams 30, which bear upon the heads 24 of the spring-pressed punches 23 The escapement mechanism is actuated by a universal plate 46<1> running beneath the key-levers 34, and comprises a spring drum 70 secured to a ratchet-wheel 52 and a pinion 49 meshing with a rack 48 on the frame. A pawl 59 is loosely mounted on a shaft 46 and is normally retained in engagement with the ratchet-wheel by a spring 65 to prevent unwinding of the spring drum and movement of the carriage. A second pawl 60, fixed on the shaft 46, has a pin (not shown) which engages with the pawl 59 in such manner that, when the shaft is rocked by the depression of a key-lever, the pawl 60 is brought into engagement with the ratchet-wheel, and the pawl 59 raised out from engagement with the wheel. During this action, a slight rotation of the ratchet-wheel occurs, so that when the key-lever is released and the shaft 46 returns to normal position, the pawl 59 comes down on to the top of the tooth with which it was previously in engagement, and consequently the wheel turns until it is brought to rest by the engagement of the pawl 59 with the next tooth. In this way, the carriage is caused to make a one-tooth movement on the release of each key-lever after depression. The spring drum is wound up by pushing the carriage forward on the frame. The pawls have fingerpieces K, L which can be pinched together for releasing both pawls from the ratchet-wheel, so that the carriage may be moved by band to any desired position without the necessity for operating the space-key 71. An adjustable stop J for the carriage is mounted on the frame beneath a resiliently-secured bar 20<c>. The card is introduced into the grooves S of guides 40, 41 partly cut away at the front, and is held by a spring stop 43.
Patent GB-916882-A (GB)
Title: Method and apparatus for the continuous separation of sublimed products from hot carrier gases
IPC: B01D7/02
Filed: 1960-01-25
Abstract: <PICT:0916882/III/1> <PICT:0916882/III/2> Sublimable solid substances such as maleic anhydride, phthalic anhydride and naphthalene are condensed as solids from a stream of gas containing said substances in gaseous form by passing said stream into contact successively with a plurality of heat exchange elements and alternately heating and cooling each of said elements so that whilst sublimate is condensing on some elements it is melting off other elements for removal.  In Fig. 4 in addition to the elements 2 for both heating and cooling, elements 18 are provided for cooling only, their temperature being such as to result in the condensation of the substance in liquid form. Heating and cooling are provided by means of oil respectively circulated through a steam energized heater 11 and a cooler 13 by means of pumps 10 and 12.  The cooling oil for the elements 18 is circulated by a pump 19 through an oil/air cooler 20.  The elements 2 comprise banks of horizontal finned tubes through which the oil flows in a series/parallel manner (Figs. 1 and 2, not shown).  The tubes can alternatively be connected in serpentine fashion, and where smooth, unfinned tubes are employed, they may be arranged vertically. The elements may be mounted on guide rails so as to be retractable for cleaning.  Troughs 3 are provided to collect molten sublimate, these and the outlet tubes therefrom being provided with heating jackets which are supplied with oil from the heating circuit.  In Fig. 5 the heating circuit is eliminated by the inclusion in the cooling circuit of heat exchangers 26 which may employ steam as the heating medium or may be heated electrically.  In a further embodiment (not illustrated) heat exchangers 26 may themselves be eliminated by including electrical heating elements within the tubes making up elements 2.  The cooler 22 in these modifications must be capable of removing the additional heat imparted to the cooling medium. In the above embodiments valves 8, 9 and valves 28 are individually controllable either manually or automatically on a time basis or on a temperature basis, i.e. when the cooling becomes inefficient due to deposited condensate.ALSO:Maleic anhydride and phthalic anhydride are condensed as solids from a stream of gas containing said substances, which may be derived from the catalytic oxidation of benzene or naphthalene, by passing said stream into contact successively with a plurality of heat exchange elements and alternately heating and cooling each of said elements so that whilst sublimate is condensing on some elements, it is being melted off other elements for removal. Naphthalene may be similarly recovered from a stream of gas. Suitable apparatus is described (see Group III).
Patent GB-536917-A (GB)
Title: Improvements in or relating to modulated-carrier signal receivers of the homodyne type
IPC: H04B1/30
Filed: 1940-02-12
Abstract: 536,917. Valve circuits for wireless reception. HAZELTINE CORPORATION. Feb. 12, 1940, No. 2693. Convention date, March 4, 1939. [Class 40 (v)] [Also in Group XXXV] In a homodyne receiver having means responsive to the frequency of the signal carrier wave for maintaining the local oscillations in synchronism with the signal carrier, additional means responsive to the phase difference between the two oscillations are provided for maintaining the phase difference within predetermined limits. The aerial 10 is coupled by a selector circuit tuned by a condenser 13 to a radio-frequency amplifier 12 the output of which is coupled by a transformer 14, 15 to the input circuit of two square-law detectors 16, 17 connected in a balanced circuit. A local oscillator 18 has its frequency determined by an inductance 19 tuned by a condenser 31 coupled to the input grid of 18, and a feed-back inductance 191 coupled to inductance 19, condenser 31 being ganged with condenser 13. With the above arrangement, the amplified signals are applied in parallel and the local oscillations in push-pull to the detectors 16, 17 whence the output is passed through a low-pass filter to the output stages. Synchronization of the oscillator 18 with the signal carrier is ensured by a coil 30 coupled to coil 14 and connected to a negatively biased grid of valve 18. The phase control circuit comprises a pair of diodes 41, 42 to which the incoming signal is applied in the same polarity through inductances 43, 44 and to which an output voltage of oscillator 18 is applied with opposite polarity by means of a coupling circuit 45, 46. Equal load resistances 48, 49 are provided, and the resultant differential direct current voltage is applied through a filter 51 - 55 to bias the input circuit of a valve 56 which is connected so as to simulate a. shunt inductance across circuit 19, 31 variable in magnitude in accordance with the bias applied from detectors 41, 42. The bias varies with the phase difference between the signal carrier and the local oscillator and so the arrangement serves to maintain this difference constant. An A.V.C. potential may be taken from the negative end of load resistance 49. There is also coupled to primary winding 14 a winding 32 across which are connected in series in resistance 33 and condenser 34, which elements together with primary 14 and condenser 35 comprise a two-terminal dead-end filter serving as a broad-band selector.
Patent GB-734750-A (GB)
Title: Molding machine
Inventor: REITER WILLIAM LEROY
IPC: H01J9/32
Filed: 1951-02-02
Abstract: 734,750. Making electric-discharge tubes. SYLVANIA ELECTRIC PRODUCTS, Inc. Feb. 2, 1951, No. 2705/51..Class 39 (2). In a machine for moulding glass headers, Fig. 12, of electron-discharge tubes, the upper and lower moulds are mounted for rotation as a unit about a common axis, for movement through loading heating and pressing zones and for relative lateral shifting to provide access to the lower mould from above. Each pair of moulds is mounted on a spindle and a number of these spindles are carried by the turret, Fig. 8, which rotates them through zones A to J and back to A. Whilst in transit through heating and pressing zones from G to A the spindles are rotated about their vertical axes by a chain 32 and at A each spindle is stopped to remove the work. At B cam tracks 154, 156 and followers 152, 150 cause the upper mould 22 and a presser 24 to swing horizontally to permit removal of the work so that at C short rods s may be fed from a shoot 126. Glass stock is loaded next, Fig. 16, (not shown), and then long wires l are inserted, Fig. 17, after allowing the upper mould to return directly over the lower mould. The presser 24 then returns over the upper mould and thereafter serves to hold these wires in place during pressing, it being free to rise with them. Cam 70 and follower 68 raise and lower the lower mould 20 (together with rods 122) during heating and pressing operations. After a preliminary pressing when the glass adheres to the wires, cam 84 and follower 82 cause rods 122 to hold the work clear of the lower mould during heating. The rigid cam tracks 70, 84 are interrupted at pressing-zones H, I, J to include resiliently supported sections 70<SP>1</SP>, 84<SP>1</SP>, to allow for variations in the glass stock, Fig. 23, and an extension 206 of the leading edge of track 70 ensures downward movement of the lower mould on leaving each of these zones. When the rotation of a spindle is stopped at A a latch 180 normally orients the spindle, but should this fail a safety switch, Fig. 22 (not shown), shuts down the machine. Specification 646,643 is referred to.
Patent GB-209308-A (GB)
Title: Improvements relating to the lubrication of bowden and like cables
IPC: F16C1/24
Filed: 1923-01-30
Abstract: 209,308. Boyce, H. H. Jan. 30, 1923. Channels and reservoirs in Bowden-wire mechanism.-A lubricator for Bowden or like cables comprises a sleeve 1 through which the cable 11 passes, the sleeve having an enlarged bore 2 to hold lubricant, the end walls 7, 8 forming abutments for the ends 5, 6 of the cable casing which are screwed into the ends of the sleeve. Lubricant is introduced into the chamber 2 through a hole 12 closed by a spring clip 13. The lubricator is arranged at the highest point of the cable.
Patent GB-1121744-A (GB)
Title: Method of determining maximum temperatures in thermal treatment devices
IPC: G01K7/38
Filed: 1967-01-19
Abstract: A rod of 80% nickel 20% copper, having a Curie point at 170 DEG C is magnetised to saturation and inserted into a nuclear reactor together with other rods with different Curie points.  The magnetic state of rods is examined after treatment to determine the maximum temperature reached.
Patent GB-788904-A (GB)
Title: Improvements in or relating to lamp holder assemblies
Inventor: WEITZEL STANLEY LIONEL
IPC: F21V21/30
Filed: 1955-01-31
Abstract: 788,904. Supporting lamps. LINOLITE, Ltd. Jan. 26, 1956 [Jan. 31, 1955], No. 2894/55. Classes 75(3) and 75(4) In a lamp fitting consisting of a lampholder 5 carried by a housing having a light shield 2 which is adjustable about the axis of the lamp, the shield has a slot 7 arranged transversely of the lamp axis and a tubular spigot 10 formed on or secured to a supporting bracket 6 passes through the slot 7, has a head 9 which straddles the slot beneath the shield and carries outside the shield a releasable clamping device adapted to grip the shield between its undersurface and the head. The clamping device may be a nut 13 screwed on to the spigot or a washer urged downwardly on to the shield by a compression spring. The head 9 is formed by a pair of parallel grooves 11 in thespigot and is passed through an enlarged end portion 8 of the slot 7. An opaque plate 15 shaped to overlie snugly the shield is secured to the spigot 10 and covers the slot 7, 8 in all positions of the shield. The shield is semi-cylindrical and contains a reflector 4 to which a pair of axially spaced lampholders 5 are secured. The fitting may be supported by more than one spigot 10.
Patent GB-495015-A (GB)
Title: Improvements in method of and compositions for treating dyed materials
IPC: D06P3/82
Filed: 1937-02-01
Abstract: Dyeings, e.g. on wool, cotton, silk, rayon, or leather or on mixed fibres, are fixed by treatment with an aqueous composition comprising a salt of a bi- or poly-valent metal, a second salt of a bi- or poly-valent metal and an agent binding mineral acid. Alternatively, the second salt, e.g. a basic chromium sulphate, may itself serve as the acid-binding agent.  In all cases the proportions are such that the second salt counteracts change of shade produced by the first salt.  Specified cations of the salts are copper, lead, cadmium, mercury, bismuth, tin (stannous and stannic), iron (ferrous and ferric), zinc, nickel, cobalt, calcium, barium, magnesium, aluminium, chromium, titanium and cerium, and specified anions are sulphate, basic sulphate, chloride, nitrate, fluoride, acetate, formate, tartrate, citrate, tungstate, chromate, dichromate, carbonate, borate and hydroxide. Specified agents binding mineral acid are soda ash, borax, sodium and calcium acetates and sodium formate.  The presence of a small quantity of a citrate or tartrate, e.g. potassium bitartrate, argol or Rochelle salt improves the evenness and penetration, and the presence of common salt or Glauber's salt prevents diffusion of the dye from the fibre.  Specified aqueous compositions contain: (1) aluminium sulphate and calcium acetate; (2) the same with common salt; (3) aluminium sulphate, basic chromium sulphate and common salt; (4) the same with calcium acetate; (5) and (6) aluminium sulphate, basic chromium sulphate, common salt, calcium acetate and argol; (7) aluminium sulphate, calcium acetate, basic chromium sulphate and argol; (8) and (9) aluminium sulphate, calcium acetate, tartaric or citric acid and common salt.  Acetic or formic acid is advantageously added to the fixing liquor before use.  The dyed material is preferably passed through a cold solution of common salt and the aqueous fixing liquor is then applied at 70-110 DEG  F. for 15-20 minutes and the excess of fixing agent is washed out.  The Specification as open to inspection under Sect. 91 comprises also (1) the use as fixing agents of acids and of salts of monovalent cations such as silver, sodium or potassium, (2) the use of a fixing composition containing aluminium sulphate, soda ash and common salt. This subject-matter does not appear in the Specification as accepted.