baber/WOPTO huggingface dataset:
Patent GB-359279-A (GB)
IPC: F25J5/00
Filed: 1930-12-06
Abstract: 359,279. Refrigerating. SOC. L'AIR LIQUIDE SOC. ANON. POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES G. CLAUDE, 48, Rue St. Lazare, Paris. Dec. 6, 1930, No. 36875. Convention date, March 4. [Class 29.] In apparatus for recover. ing one constituent of a gas mixture, e.g. separating hydrogen and acetylene, the mixture is supplied at 1 tc a heat exchanger 2, passing to a cooler 4 wherein the acetylene is solidified by refrigeration and hydrogen passes by pipe 6 to the outlet 8. Simultaneously acetylene which has been deposited in another cooler 5 is evaporated by nitrogen from a compressor 13 and exchanger 14, the nitrogen then passing through an expansion device 16 to the cooler 4, and back through the exchanger 14 to the compressor. The vaporized acetylene passes through pipe 10 to pipe 12. Each cooler 4, 5 works alternately to condense and evaporate or sublimate the gas, and the cycle is reversed by changing over valve 3, expansion device 16, and valves 18, 19. The gas mixture may be at a pressure lower than or at the most equal to atmospheric pressure.
Patent GB-339779-A (GB)
Title: Improvements in and relating to seals or closures for bottles and the like
IPC: B65D39/02
Filed: 1929-12-03
Abstract: 339,779. Norris, M., and Stevenson & Sons, Ltd., H. Dec. 3, 1929. Disc closures.-A closing disc for milk bottles &c. is formed with a single cut or weakening 5 so that when pressed inwardly at this part a segment of the periphery is raised clear of the bottle-neck and can be grasped and the disc removed. The ends of the cut 5 lie in a chord and the disc bends along the said chord when pressed. The cut 5 is of V, U or arcuate formation extending towards but short of the centre of the disc. The parts 7 of the disc may be weakened to facilitate bending.
Patent GB-344428-A (GB)
Title: Improvements in radial thrust bearings
IPC: F16C17/03
Filed: 1929-12-04
Abstract: 344,428. Spherical-journal bearings. AKTIEBOLAGET NOMY. 2, Norrmalmstorg, Stockholm. Dec. 4, 1929, No. 37153. Convention date, Dec. 8, 1928. [Classes 12 (i) and 12 (ii).] In a journal bearing of the pivoted-block type wherein the play is so small that additional oil pressure is set up in the lower-loaded or unloaded zone of the bearing, thereby decreasing the load capacity of the bearing, means extending throughout said zone are provided for reducing this additional pressure. In a bearing wherein the blocks 6 are caused to rotate with a ring 4 fixed to the shaft 5, by reason of abutments 9 on the ing between which the blocks have a limited peripheral movement, the blocks having spherical surfaces co-operating with a spherical stationary race 2, the unloaded zone of the bearing is formed with a peripherally-extending recess 12 arranged either centrally in or at the edges of the race 2. Alternatively, axial or oblique grooves may be formed in the race, extending over either the whole or a part of the width; or the race may be provided with guide surfaces co-operating with lateral flanges on the blocks so as to cause the latter to be tilted into a position in which the co-operating bearing surfaces are concentric during the passage of the blocks through the unloaded zone. Instead of being pivoted, the blocks may be integral with the shaft or ring 4 and made resilient.
Patent GB-914194-A (GB)
Title: Improvements in or relating to pointers used in measuring or recording instruments
Inventor: DEACON LIONEL OAKLEY
IPC: G01D13/22
Filed: 1960-10-31
Abstract: 914,194. Indicating-apparatus. CHAMBERLAIN & HOOKHAM Ltd. Sept. 25, 1961 [Oct. 31, 1960], No. 37276/60. Class 106 (4). A pointer has a recess or hole to receive a pin 10 on which the pointer can pivot and the ends 16 of a piece of resilient wire 12 engage the pointer and are adjustable thereon to vary the frictional grip of its arms 13 on the pin 10. Each side of the pointer has a flange 14 provided with spaced holes to receive the ends 16 and the pin 10 may have an annular groove to receive the wire 12. The pointer may be used in a maximum demand meter.
Patent GB-927024-A (GB)
Title: A protective device for an occupant of a vehicle
IPC: B60R21/08
Filed: 1961-10-18
Abstract: 927,024. Protective devices for vehicle occupants. V. SANTESSO. Oct. 18, 1961, No. 37302/61. Class 108(1). A releasable safety device, for the protection of an occupant of a road or like vehicle, is mounted on a bracket fixed to the vehicle or to the underside of a car roof 2 and comprises, a spring supported padded head covering 6 and a plurality of telescopic metal or plastic rings 1 which may be released from the retracted Fig. 1b position to drop down and partly cover the occupant. The release is effected by electrical or mechanical means operated either automatically on collision or by the occupant. A ring 7 supports the rings 1 in the retracted position and eye holes 4 are provided. In a modification, Fig. 2 (not shown) the device comprises a telescopic head piece in addition, and in another embodiment the apparatus comprises a telescopic helmet with chest and back protectors attached.
Patent GB-1081755-A (GB)
Title: Preparation of slow release fertilizer compositions
Inventor: BOZZELLI ANDREW JOSEPH
IPC: C05C9/00
Filed: 1964-09-11
Abstract: Slow-release fertilizer particles comprise a dispersion of a urea-paraffin wax adduct in paraffin or microcrystalline wax.  The dispersion may be formed by reacting solid urea with an excess of molten paraffin wax with roller milling to reduce 98% of the urea particles to a size of below 200-400 mesh.  It may be aged for a period of at least one month.  It may contain 5-99 parts of adduct and 1-40 parts of asphalt based on the free wax. Fertilizer constituents other than urea may be triple superphosphate or potassium chloride or sulphate.ALSO:Slow-release fertilizer particles comprise a dispersion of a urea-paraffin wax adduct in paraffin or micro-crystalline wax. The dispersion may be formed by reacting solid urea with an excess of molten paraffin wax with roller milling to reduce 98% of the urea particles to a size of below 200-400 mesh.  It may be aged for a period of at least one month.  It may contain 5-99 parts of adduct and 1-40 parts of free wax.  The wax phase may contain 5-40% of asphalt based on the free wax. Fertilizer constituents other than urea may be triple superphosphate or potassium chloride or sulphate.
Patent GB-1205237-A (GB)
Title: A method for the production of rigid laminated material
Inventor: SACHSENRODER GUSTAV SEN
IPC: D04H3/05
Filed: 1967-08-20
Abstract: 1,205,237. Laminates. G. SACHSENRODER. 20 Aug., 1967 [20 Aug., 1966], No. 37361/67. Heading B5N. [Also in Division D1] A rigid laminate is made by forming sheet material by arranging non-interwoven cotton yarns adjacent to and substantially parallel to one another, impregnating the yarns with a synthetic plastics, subjecting the same to pressure whereby the cotton yarns are adhesively secured to one another, subsequently arranging individual sheet of the sheet material in layers and subjecting the assembly of layers to pressure to form the rigid laminated material. Reinforcing strands of glass or wire can be incorporated in the sheet material, and these yarns and strands may be arranged in groups. The yarns may be disposed in zig-zag or undulating form. The sheet material arranged in the layers can have the yarns in one layer extending in a different direction to the yarns in an adjacent layer. The sheet material can have a carrier sheet, e.g. paper, applied to one or both surfaces.
Patent GB-1004840-A (GB)
Title: Methods and apparatus for obtaining traffic data
IPC: G08G1/01
Filed: 1961-11-10
Abstract: 1,004,840. Ultrasonic velocity measurement. GENERAL SIGNAL CORPORATION. Nov. 10, 1961 [Dec. 27, 1960], No. 37478/64. Divided out of 991,930. Heading H4D. The average speed of a succession of road vehicles along a highway is determined by detecting each vehicle as it passes a detection point, generating for each vehicle electrical signals proportional to the estimated length L of the vehicle and the actual time T taken to pass the detection point and producing an output electrical signal of amplitude proportional to L/T. As described the detection system is of the ultrasonic pulse echo type comprising three pairs of transmitting and receiving transducers T and R mounted above the highway, Fig. 1A, and voltages proportional to the average length of commercial vehicles and private cars are set up manually on potentiometers 107 and 108, respectively, Fig. 3. Echo signals received by each transducer R are applied in parallel to three gates 120, 121, 122 controlled by corresponding gate pulse generators 123, 124, 125 actuated by the transmitter trigger, Fig. 2 (not shown), to select echoes produced respectively by (1) relatively high commercial vehicles, (2) relatively low private cars and (3) the surface of the highway. The outputs from the " vehicle " gates 120, 121 are applied in parallel to one input of a bi-stable flip-flop 19, the output from the " surface " gate 122 being applied to the other input thereby producing a pulse of duration T which energizes a relay VR, Fig. 3, thereby energizing a slow release relay VP via contact 105 and charging a capacitor 103 via contact 101. When the vehicle has passed the detection point the relay VR releases quickly so that the voltage across capacitor 103 is proportional to T and this voltage is applied to a dividing circuit 110 via contact 102 of relay VR and the still closed contact 104 of relay VP. The appropriate length voltage as selected by relay TD (see below) is applied to the circuit 110 via the upper contacts of relays VR and VP to produce a pulse output of amplitude proportional to L/T and the successive outputs are averaged by a capacitor 111 and applied through a cathode follower 113 to a speed indicating meter 115. An additional contact 112 is provided on relay VP for discharging capacitor 103. When a commercial vehicle is detected the integrated output from the gate 120, Fig. 4, energizes the relay TD, Fig. 3, to select the higher amplitude length voltage from potentiometer 107. Fig. 2 (not shown) illustrates a simpler embodiment without the commercial vehicle gate. Specification 931,125 is referred to.
Patent GB-629825-A (GB)
Title: Improved frequency-converter system
IPC: H03D7/10
Filed: 1946-12-20
Abstract: 629,825. Superheterodyne circuits. STANDARD TELEPHONES & CABLES, Ltd. Dec. 20, 1946, No. 37550. Convention date, March 12, 1946. [Classes 40 (v) and 40 (vi)] A superheterodyne frequency-changing, system comprises a mixer valve in which signals are modulated with local oscillations whose frequency is the algebraic sum of twice the signal frequency and the desired intermediate frequency and a detector valve by which the true intermediate frequency is obtained from the mixer output. The arrangement reduces space-charge coupling effects and " pulling " at high frequencies where the intermediate frequency is small relative to the signal frequency and also improves the image rejection ratio. Signals of frequency fs are applied to the outer control grid of a mixing valve V1 and oscillations of frequency (2fs+fif) or (2fs -fif) to the inner grid. Components having frequencies (fs+fif) or (fs -fif) respectively and fs appear in the anode circuit and are applied to an anode-bend detector V2 in which they are combined, the true intermediate frequency fif appearing in the anode circuit. The coupling between the two valves may be aperiodic and comprise choke 9 and resistance 13, or alternatively (Fig. 2, not shown), the resistance 13 may be replaced by a resonant circuit of high decrement tuned to the mean frequency, (fs+¢fif) or (fs-¢fif) as the case may be.
Patent GB-631391-A (GB)
Title: Improvements in water heating installations
IPC: F24H1/10
Filed: 1946-12-20
Abstract: 631,391. Automatic control systems. McDONALD, J., HOOLEY, W., and G.W.B. ELECTRIC FURNACES, Ltd. Dec. 20, 1946, No. 37554. [Class 38 (iv)] [Also in Group XXXVII] In a water-heating installation employing an electrode boiler 1 fed by a pump 8 from a tank 9, an electromagnetic valve 10 stops the feed to the boiler and allows only circulation through the pump and tank when the water level in the boiler and therefore the electrical load rises above a predetermined mean value. Current above the predetermined value operates a D.C. relay 19 through a transformer 21 and rectifier 20 to pull up a contactor 16 which in turn operates the valve 10 through a rectifier 14. A protective relay 25 on the main circuit breaker 3 of the supply 4 is operated by overload relays 28, 29 on earth leakage relay 40. The contactor 16, Fig. 2, comprises a solenoid armature 30 carrying the switch contact 31 and connected to a rubber diaphragm 34 forming the top of a chamber 35 having a restricted and adjustable air inlet 36 and an unrestricted outlet (not shown). Closure of the switch contacts 31, 32 is delayed and operation of the valve 10 is effected only after the load exceeds the predetermined value for an appreciable time. A spring 38 is provided to effect a quick break of the contacts 31, 32. The value of load at which the system operates may be adjusted by a variable resistance 22 shunted across the relay 19.
Patent GB-870379-A (GB)
Title: Method of separating shale from raw broken mined coal and apparatus for carrying out the same
IPC: B02C4/28
Filed: 1957-12-03
Abstract: 870,379. Breaking coal. WESTFALIA DINNENDAHL GROPPEL A. G. Dec. 3, 1957 [Dec. 15, 1956], No. 37604/57 Class 59. A method of separating shale from raw broken mineral coal is characterized in that the raw broken coal is passed in a thin stream over a high-speed rotating roller studded with breaker teeth and the shale separated from the broken coal by means of a screen. Apparatus for carrying out the method comprises a casing 1 within which are mounted breaker rollers 2, 3 and screens 4, 5. Above each of the rollers is a pivotally-mounted guide surface 6 consisting of a plurality of moveable juxtaposed plates or strips. In operation, raw broken coal is fed down a shoot 8, passes over roller 2 in a thin stream and is delivered on to the screen 4. Sufficiently small grained material drops through screen 4, the remainder being picked up by the roller 3. Material discharging from the screen 5 consists of coarse shale whereas the screenings from 'the gratings 4, 5 can be removed for further processing. Each guide surface may, alternatively be in the form of a chain curtain. One or more further rollers of like or different diameters together with screens may be used.
Patent GB-1069733-A (GB)
Title: Improvements in and relating to the partial oxidation of hydrocarbons
IPC: C07C29/52
Filed: 1964-09-15
Abstract: Cyclohexanol is obtained by liquid phase oxidation of cyclohexane using a dehydrated form of orthoboric acid (e.g. metaboric acid) and molecular oxygen.  The orthoboric acid produced, along with the oxidation product, is recovered as an aqueous solution at 100-250 DEG C. and sufficient pressure to maintain the liquid phase (e.g. 200 p.s.i.g.).  The orthoboric acid is dehydrated and the dehydrated form is recycled for a further oxidation process.ALSO:A dehydrated form of orthoboric acid (e.g. metaboric acid) and molecular oxygen are used in the liquid phase partial oxidation of hydrocarbons. The orthoboric acid produced, along with oxidation products including alcohols, is recovered as an aqueous solution at 100-250 DEG  C. and sufficient pressure to maintain the liquid phase (e.g. 200 p.s.i.g.).  The orthoboric acid is dehydrated and the product obtained in finely divided form is recycled to the oxidation step. The dehydration step may be continuous and be carried out in the presence of the hydrocarbon used in the oxidation step.  Dehydration may take place in two stages, the first stage may be at about 155 DEG  C. to remove free water and the second stage at about 155 DEG  C. to remove bound water.  The hydrocarbon may be cyclohexane and the dehydration may be carried out simultaneously with the drying of cyclohexane containing water.  At least a portion of the aqueous boric acid may be recovered by a series of aqueous extraction steps.
Patent GB-1015059-A (GB)
Title: Process for purifying ª-methyl-ª-(3,4-dihydroxyphenyl)-alanine
Inventor: HILTMANN RUDOLF
Filed: 1964-09-16
Abstract: A process for purifying a -methyl-b -(3,4-dihydroxyphenyl)-alanine comprises passing sulphur dioxide into a concentrated suspension of the crude compound in water or an aliphatic alcohol or an aqueous aliphatic alcohol, the solution obtained preferably being treated with carbon and then being free from sulphur dioxide by heating preferably in a vacuum and then cooled to complete the crystallization of the a -methyl-b -(3,4-dihydroxyphenyl)-alanine,
Patent GB-322662-A (GB)
Title: Improvements in electrical discharge devices
IPC: H01J35/14
Filed: 1928-12-22
Abstract: 322,662. British Thomson-Houston Co., Ltd., (Coolidge, W. D.). Dec. 22, 1928. Addition to 279,444.. Vacuum tubes ; R÷ntgen-ray tubes.-In a discharge device having two or more pairs of tubular electrodes according to the parent Specification, for use as a cathode-ray tube, R÷ntgen-ray tube, or rectifier, the cross-sectional area of the electrodes is increased step by step, stage by stage, or gradually. As shown, the forward end of the electrode 2 is of the same diameter as that of the electrode 1, and the rearward end of the electrode 2 and the forward end of the electrode 3 are of the same diameter. The. electrode 4 has a diameter equal to that of the rearward end of the electrode 3. The windings- 20, 21 supplying energy to the device may be the secondary of an induction coil. The glass necks 7,. 8 are connected together through tubular coupling members 11, 12 of thin metal, which are fused to the necks and welded to flanged members 13, 14, receiving flanges on the electrodes. 2, 3. A tungsten target may be mounted inside the final bulb. The outer edge of the focussing device 5, Fig. 2 of the cathode is connected with an enlarged, rounded, field-equalizer 6. When the device is used as a rectifier the potential' between the electrodes is equalized by a potentiometer connection. consisting of impedances such as resistances.
Patent GB-1470427-A (GB)
Title: Intramucosal denture system
IPC: A61C8/00
Filed: 1974-08-30
Abstract: 1470427 Drilling tools ORATRONICS Inc 30 Aug 1974 [29 Oct 1973] 38065/74 Heading B3C [Also in Division A5] A denture adhering system includes an intramucosal insert 10 for securing an artificial denture 47 to mucosal tissue 36 adjacent a patient's jawbone, insert 10 comprising: a head 12 for seating in tissue 36, a base 14 having a bottom portion 26 and a top portion 24, and a neck 16 connecting head 12 and base 14; wherein top portion 24 is narrower than bottom portion 26 and head 12 has a groove 22 around neck 15. Base 14 is wider than, and neck 16 is narrower than, mushroom-shaped head 12 and all have circular peripheries. The insert is made in one piece of a metal inert to an oral environment, e.g. titanium alloy. Portions 24, 26 are planar and groove 30 between them receives cement 44 for securing base 14 to acrylic denture 40. Groove 22 opens downwardly and receives intramucosal tissue. Base 14 has an upwardly opening groove 32 for receiving tissue aligned with groove 22. A self-limiting, self-levelling denture burr 60 prepares a recess 38 in denture 40 to receive base 14 . End 64 is rotated by a drill, flange 68 abuts the surface of the denture around recess 38 when the latter, cut by end 66 is of the required depth. Flange 68 may be further away from end 66 if the upper surface of denture 40 is concavely curved. A removable non-stick resilient sleeve 50 shields part of the insert, e.g. groove 32 against stray cement during cementing of base 14 in recess 38. A self-centering trimming burr 80, provides a flush surface after cementing by removing cement from base 14. Cavity 88 centres itself on head 12 and side vents 90 allow the removed cement to escape. A self-limiting, self-levelling tissue burr 100 prepares a receptor site 34 in tissue 36 to receive head 12 and neck 16. Burrs 60, 80, 100 are stainless steel or carbide and have a number of grooves 16 to distinguish one burr from another. At its top head 12 has a teat 20 with markings pressure-transferable to tissue 36. The maximum width of portion 24 is closer in distance to the maximum width of head 12 than to the maximum width of portion 26. A denture has a plurality of recesses 38 for inserts 10 which also engage a plurality of receptor sites 34. The insert is typically 0À6 cm. high and 0À6 cm. maximum diameter.
Patent GB-849807-A (GB)
Title: Improvements in or relating to apparatus for adjusting the spacing of spaced rows ofarticles upon a support
IPC: B65G57/26
Filed: 1956-09-06
Abstract: 849,807. Stacking. EASTWOODS Ltd., and PAISLEY, J. Dec. 6, 1957 [Sept. 6, 1956], No. 38071/57. Divided out of 849,805. Drawings to Specification. Class 94(1). The invention relates to the means for regrouping rows of bricks after their deposition on the trolley described in Specification 849,805.
Patent GB-793770-A (GB)
Title: Process for the preparation of diacyl resorcinols
Filed: 1956-12-14
Abstract: 4:5-Diacyl resorcinols are prepared by treating a resorcinol dialkyl ether with an acyl chloride in the presence of aluminium trichloride at such a temperature that the ether linkage is not cleaved until two acyl groups have substituted in the ring.  The temperature is then raised to cleave the ether linkages and the 4:6-isomer is the main product thereby obtained.  In a preferred process the diacylation is carried out below 50 DEG  C. and then the temperature is raised to about 80 DEG  C. for about 1 hour.  The ethers may be the dimethyl or diethyl ethers and the reaction may be carried out in a solvent such as methylene chloride, mono- or di-chlorobenzene or 1,1,2,2-tetrachloroethane.  The acyl chlorides mentioned are benzoyl, acetyl, p-tert.-butyl benzoyl and o-chlorobenzoyl chlorides.  In an example, resorcinol dimethyl ether is reacted with benzoyl chloride in 1,1,2,2-tetrachloroethane in the presence of aluminium trichloride.  An example is given for comparison where resorcinol is used and the 2:4-isomer is the main product.  Specification 786,144, [Group IV (a)], is referred to.
Patent GB-1552516-A (GB)
Title: Apparatus in flat knitting machines for taking-down a knitted web
IPC: D04B15/90
Filed: 1977-09-15
Abstract: A tension thread (18) is inserted into the fabric web (15) at points (16), where the fabric width changes abruptly, and is maintained under tension by holders (19, 20) arranged on both sides of the working range of the machine. The holders (19, 20) can be guided, together with the fabric web (15), into the region of a drawing-off roller. For the insertion of the tension thread (18), there is provided a tension-thread guide (17) which, in order to form interconnected tension-thread loops, can be guided forwards and backwards over the entire working range of the machine at the fabric-width transitions (16) succeeding one another in the drawing-off direction. One of the two holders (19) is a thread clamp, whilst the other holder (20) is designed as a deflecting web for the tension thread (18). The thread clamp (19) is spring-loaded in the tensioning direction, and, at each point along its adjusting travel, it can selectively be released and moved back into its initial position together with the other holder (20). The apparatus works absolutely reliably at a low outlay in terms of construction. It can insert a tension-thread loop at any desired point on the fabric, whilst all the thread loops can be interconnected and can subsequently be drawn out of the fabric in an interconnected manner. <IMAGE>