baber/WOPTO huggingface dataset:
Patent GB-1426733-A (GB)
Title: Vehicle rearview mirrors
IPC: B60R1/06
Filed: 1972-05-18
Abstract: 1426733 Rear view mirrors DESMO Ltd 14 May 1973 [18 May 1972] 23421/72 Heading B7J A vehicle rear view mirror includes a ball-andsocket joint 1 of which the ball member 12 is generally a sphere or part sphere, made of resilient plastics or rubber material such as low density polythene, which is connected to a mirror arm 3 by a screw 14, Fig. 2, or a pin 38, Fig. 4, extending diametrically through the ball member 12 and through an aperture 11, larger than the diameter of the connecting screw or pin, in a cup 7 forming the wall of the socket. As in Fig. 4, the pin 38 is rigidly secured in the arm 3 and a coaxial adjusting element 41 is provided with threads engaging the arm 3 so that rotation of the element 41, which bears against the wall of the socket, varies the compression of the ball member 12 and thus the friction in the ball and socket joint 1.
Patent GB-534222-A (GB)
Title: Improvements in control means for refrigerating systems
IPC: F25B41/04
Filed: 1939-08-14
Abstract: 534,222. Thermally-actuated valves. AUTOMATIC CONTROL CORPORATION. Aug. 14, 1939, No. 23423. Convention date, Sept. 14, 1938. [Class 135] [Also in Group XIII] A refrigerating machine particularly adapted for cooling air in 'private rooms has a continuously-operating compressor 11, and regulation to a required cooling temperature is effected by a valve 26 in the suction line between the evaporator 15 and the compressor controlled by a thermal element 59 preferably located at the air inlet to the evaporator. The valve comprises two valve heads 41, 42, Fig. 2, on a spindle 45 and urged to the open position by a spring 48. A projection 46 on the head 42 is engaged by a lever 65 pivoted at 66 and having its short arm engaged by a spring 70 in opposition to the spring 48. The thermal element, charged with a liquid medium, is connected by tube 57 to the space between a rigid bellshaped member 55 and a flexible diaphragm 54, the latter having a pin 60 engaging the short arm of the lever 65. Adjustment of the setting of the thermostat is effected by a screw 76, a limiting stop 79 being provided for the screw head 77.
Patent GB-1215718-A (GB)
Title: Improvements in and relating to the making of bread and like comestibles
Inventor: ALPIN ALBERT
IPC: C08F24/00
Filed: 1967-05-31
Abstract: 1,215,718. Wheat flour products. A. ALPIN. 30 May, 1968 [31 May, 1967; 19 July, 1967], Nos. 24975/67 and 23556/68. Divided out of 1,215,718. Heading A2B. Wheat-flour based doughs, batters, and pastes are improved by the presence therein of a comminuted non-toxic plant, or plant part, or extract, selected from the families Cruciferae, Resedaceae, Capparidaceae, and Tropaeolaceae. Also present may be an oxidizing improving agent, for example ascorbic acid or potassium bromate, or soya bean flour. Yeast or other raising agent may be present. Preferred plants are of the genera Brassica L., Sinapis L., Crambe L., Nasturtium R. Br., Tropaeolum, and Amoracia Gilib. Especially preferred are Brassica rapus L. (rape) and Sinapis alba L. (white mustard).
Patent GB-660966-A (GB)
Title: Improvements in and relating to devices for preventing boiling over of liquids, for example, milk
IPC: A47J27/60
Filed: 1949-09-13
Abstract: 660,966. Promoting circulation in saucepans &c. ZWAARD, H. C. A., and WEMELSFELDER, J. F. Sept. 13, 1949, No. 23633/49. Class 66 An inverted funnel placed in a saucepan &c. to prevent milk boiling over has about <SP>1</SP>/ 3  the volume of its 'circumscribing cone 8, and the diameter of its outlet 4 is 1/7 to 1/9 that of the inlet 5. The funnel stands on feet 6, and has a cylindrical top encircled by a baffle 9.
Patent GB-700603-A (GB)
Title: Improvements in or relating to electric infra-red heat generators
IPC: A61N5/06
Filed: 1949-09-13
Abstract: 700,603. Electric infra-red heater. MODINSAL ELECTRIC CO., Ltd., and MALINS, E. C. Sept. 1. 1950 [Sept. 13, 1949], No. 23643/49. Class 39 (3) [Also in Group VI] An infra-red radiator for treating the skin comprises a casing divided into an upper and a lower compartment 1a, 1b by a partition 3c, the upper compartment containing an electric infra-red heating element ; and the partition 3c has a central aperture permitting passages of radiant heat therethrough, the lower compartment 1b containing a screen 7 disposed between the partition and the mouth of the casing. The diameter of the screen 7 may be less than the internal diameter of the mouth of the lower compartment so as to leave an annular gap around the screen. The screen may entirely cut off direct radiation to the skin, or it may extend to the wall of the compartment 1b and have one or several rings of apertures allowing direct radiation. The partition and screen may be flat, convex or concave. The outer side of the screen is blackened. The inner part of 1a of the casing may be more reflective than the lower conical part 1b. Air is trapped within the casing when the latter is placed against the body.
Patent GB-498065-A (GB)
Title: Improvements in vacuum tight seals for electric current leads into fused quartz glass
IPC: H01J9/32
Filed: 1937-08-30
Abstract: 498,065. Sealing leading-in conductors. THERMAL SYNDICATE, Ltd., and REYNOLDS, F. Aug. 30, 1937, No. 23645. [Class 36] Prior to sealing a metal strip of a thickness not greater than 0À02 mm. into fused quartz glass, the burr along the edges of the strip is removed by a process such that the surfaces and the thickness of the main part of the strip are not effected. The burr may be removed by immersing the strip, the main part of which is coated with wax or acid-resisting paint, in nitric acid; or, the burr may be removed by abrasion. The strip may be of tungsten, molybdenum or tantalum. A strip, so prepared, may be sealed into fused quartz glass over part only of its length to permit the attachment of an electrode or conductor ; or, when an electrode or conductor or both is or are connected to the strip before sealing, the seal may extend over the whole length of the strip and on to the end of the electrode or conductor or both.
Patent GB-1011490-A (GB)
Title: Improvements in or relating to electrolytic conductivity measuring cells
Inventor: SPROULE ROBERT ANDREW
IPC: G01N27/07
Filed: 1963-06-13
Abstract: 1,011,490. Measuring conductivity of fluids. ELECTRIC SWITCHGEAR (London) Ltd. May 29, 1964 [June 13,1963], No. 23649/63. Heading G1N. An electrolytic conductivity measuring cell, which can be incorporated in a pipe line for a flowing medium (e.g. for liquid slurry or pulp material in a paper mill), comprises a section of piping 10 (Fig. 1) of metal or plastics, in an aperture 25 of which is fitted an electrode 14 of carbon or stainless steel embedded in an insulating block 16. A second electrode, surrounding coaxially the first, is formed by a tubular stainless steel member 12. Alternatively, if the pipe is of metal the electrode 12 may be dispensed with, the pipe forming a second electrode. The end surfaces of the electrodes 12,14 facing into the the pipe bore are shaped to form a smooth surface with that of the inner wall surface of the pipe. Screws 18 and 21 provide electrical terminal connections to the respective electrodes.
Patent GB-875150-A (GB)
Title: Improvements in clutches
Inventor: WILSON MARTIN WESTBURY
IPC: F16D31/02
Filed: 1959-07-09
Abstract: 875,150. Hydraulic clutches. TUBE MAKING MACHINES Ltd. June 8, 1960 [July 9, 1959], No. 23666/59. Class 69 (2). An hydraulic clutch comprises an input shaft 10 mounted for rotation in a liquid-filled casing 11 which constitutes the output member of the clutch and carries a cylinder block 16 having pistons 14 reciprocated by means 13 connected to the input shaft to pump liquid from a lowpressure chamber 20 to a high-pressure chamber 23, and a spring-loaded relief valve 29 controlling the passage of liquid from the high-pressure chamber to the low-pressure chamber, the valve normally preventing the passage of liquid and opening when the torque applied to the clutch reaches a predetermined value. Liquid from the low-pressure chamber 20 is drawn into cylinders 15 in the block 16 through one-way valves 18 and is pumped through one-way valves 21 into the high-pressure chamber 23 during reciprocation of the pistons 14 by a swashplate 13 on the shaft 10 to effect rotation of the casing 11 which carries a gear wheel or sprocket 12. The maximum torque transmitted by the clutch is limited by the relief valve 29 which moves against a spring 30 to open a passage 28 between the chambers 20, 23 when the pressure in chamber 23 reaches a desired maximum which is determined by adjustment of a nut 31. The torque transmitted may also be controlled by manual operation of a sleeve valve 25 controlling a port 24 between the low- and high-pressure chambers. The sleeve valve may be controlled by a centrifugal governor or other suitable control means.
Patent GB-279227-A (GB)
Title: A process for evacuating and sealing metal containers and apparatus therefor
IPC: B67B3/24
Filed: 1926-09-25
Abstract: 279,227. Br³derlin, E. Sept. 25, 1926. Ends; with air &c. holes adapted to be permanently sealed.-The end of a metal container which is sealed by melting in vacuo a perforated bead 6 of solder in an aperture 7 in the end is formed with a gutter 48 to receive any liquid sucked therefrom during evacuation, and with a raised part 47 to facilitate cleaning of the part surrounding the solder.
Patent GB-583748-A (GB)
Title: Improved cement composition
IPC: C04B28/04
Filed: 1944-11-28
Abstract: A cement suitable for house and article repairs is made by mixing 2 parts Portland cement with 4 parts adamant plaster, adding a mixture of 2 parts gold size, 1 part while spirit and 3 parts flatted zinc white and allowing the whole to stand for at least 12 hours.  It is preferable to add 1/4 part of hydrated lime and to grind down the flatted zinc white in turpentine.  The Provisional Specification describes also a cement containing only 1 part Portland cement, 1 part gold size and 1/2 part white spirit with the other constituents.
Patent GB-1273929-A (GB)
Title: Method of and device for exciting liquid lasers
IPC: H01S3/09
Filed: 1971-04-19
Abstract: 1,273,929. Lasers. CARL ZEISS-STIFTUNG, [trading as CARL ZEISS]. 19 April, 1971 [7 March, 1970], No. 23719/71. Heading H1C. In a liquid laser the liquid active medium is pumped by current passed between immersed electrodes. As shown, a liquid cell 3 having an expansion chamber 4 contains the dye 9, 10 diphenylanthracene in an aprotonic solvent such as dimethylformamide, the dye being pumped by D.C. current passed between electrodes 6, 7 and the cell being located between external resonator mirrors 1, 2. The current flow produces cations and anions at respective electrodes, and their subsequent neutralization, by collision, produces molecules in the first excited singlet state from which a laser transition takes place to the ground state if the pumping current is sufficiently intense. In a modification the liquid active medium contains an additional fluorescent substance used as a sensitizer. Forced circulation of the active medium may be used instead of the expansion chamber for the purposes of cooling and the avoidance of streaks.
Patent GB-1204987-A (GB)
Title: Continuous process for the production of esters
IPC: B25G3/12
Filed: 1969-05-09
Abstract: 1,204,987. Esterification. MELLE-BEZONS. 9 May, 1969 [12 June, 1968], No. 23877/69. Heading C2C. In a continuous process for the preparation of esters with a boiling point above the component acid and alcohol, the raw reaction mixture of ester, alcohol, acid and water from the esterification vessel is fed to a distillation column having two separate sections one to dehydrate the mixture and the other to separate the ester. The ester separation section is heated at the base and the vapours from the top are introduced to the base of the dehydration section and the ester separation section is operated at a pressure above atmospheric, e.g. up to an absolute pressure of 3500 mm. Hg, and the dehydration section is under a pressure not above atmospheric, e.g. in a range 100 to 760 mm. Hg, both pressures being measured at the top of the respective sections. Ester and water are withdrawn from the top and base of the appropriate sections and vapours from the ester section are introduced to the base of the dehydration section and part of the tails from the dehydration are returned to the esterification vessel. Apparatus is described for use with a solid catalyst, e.g. an ion-exchange resin, and a non- volatile liquid catalyst, e.g. sulphuric acid, and in examples, methoxy ethyl and ethoxy ethyl acetates are prepared.
Patent GB-235067-A (GB)
Title: Improvements in or relating to block flooring
IPC: E04F15/04
Filed: 1924-10-09
Abstract: 235,067. Couch, W. K. Oct. 9, 1924. Wood-block flooring. -The adjacent blocks a are connected by staple-like fasteners d, of which the ends d<1> enter grooves b formed in the underside, of the blocks and the bodies lie in aligned notches c of adjacent blocks. The notches c extend from the grooves b to the adjacent sides or ends of the blocks, and all the notches and grooves are formed in the blocks prior to laying in position.
Patent GB-406367-A (GB)
Title: Improvements in plastic masses
IPC: C08L31/02
Filed: 1932-08-26
Abstract: Plastic masses are prepared by incorporating in an organic polyvinyl alcohol derivative, or in a mixture of such derivatives, a quantity of a natural or artificial organic fibrous material less than that of the organic polyvinyl alcohol derivative or derivatives.  By the term "organic polyvinyl alcohol derivative" is to be understood the organic esters and acetals of polyvinyl alcohols and the combinations thereof with oils, such as those obtained by the process of Specification 367,102, [Group IV]. Suitable organic fibrous materials are wool, natural or artificial silk, ground wood, paper and polyvinyl alcohol.  Other ingredients which may be added include natural or artificial resins, dyestuffs, ground slate, heavy spar, colcothar, magnesia, asbestos, carbon black and stearin.  As an example, a solution of 450 parts of highly polymerized vinyl acetate in methylated spirit is kneaded with 200 parts of paper.  There are then added, nitrocellulose, a mixed resin of polyvinyl acetate and an aldehyde, benzyl benzoate, magnesia and carbon black. Specifications 201,916, 313,578 and 314,399, [all in Class 22], also are referred to.
Patent GB-748569-A (GB)
Title: Improvements in and relating to remote control of electric lighting installations
Inventor: FLAX SAMSON
IPC: H02H7/00
Filed: 1953-08-31
Abstract: 748,569. Switching systems. SIEMENSSCHUCKERT (GREAT BRITAIN), Ltd. Aug. 31, 1954 [Aug. 31, 1953], No. 23993/53. Drawings to Specification. Class 38 (4). [Also in Group XXXVIII] Contactors, through which a lighting installation may be supplied from different voltage tappings of an autotransformer, are remotely controlled over a single pilot circuit (one side of which is earth) from a unit including a low voltage A.C. supply, a rectifier and a switch, the last of which allows the low voltage, either unrectified or rectified and with different polarities, to be impressed selectively upon the pilot circuit to cause operation either of an A.C. relay, or one or other of a pair of oppositely polarized D.C. relays. Each relay controls a different contactor and these and the several relays are electrically interlocked to prevent closure of more than one contactor at a time. An earth leakage relay may also be provided to open the contactors under earth fault conditions.
Patent GB-240170-A (GB)
Abstract: 240,170. Aktieselskapet Krystal. Sept. 18, 1924, [Convention date]. Crystalizing. - In obtaining coarsely granular crystalline material by passing a supersaturated solution upwards through small crystals @ resting on a perforated bottom b of a vessel a, the supersaturation is obtained by adding - through an inlet h a solution saturated at a higher temperature. The mixed solution after passage through a cooler f is forced by a pump d into the base of the vessel a. Large crystals fall through an opening k up which a stream of liquid is passed to retain small crystals. The method is particularly applicable to the crystallization of substances such as ammoniium nitrate which crystallize in different forms at different temperatures, the bulk of the liquid in the apparatus being maintained at a temperature below that at which the change in crystalline form takes place.
Patent GB-1116133-A (GB)
Title: Reciprocating pump type fluid dispenser
IPC: A47K5/12
Filed: 1966-05-27
Abstract: 1,116,133. Reciprocating pumps. M.J. FINN. May 24,1967 [May 27, 1966], No 24028/66. Heading F1A A hand-actuated dispensing pump, e.g. for soap, comprises a bucket piston 14 with an annular groove 16 communicating with the hollow interior of piston rod 7 through apertures 18, an O-ring 17A being axially slidable in groove 16 so that, on the downward stroke, ring 17A uncovers apertures 18 and soap is discharged from cylinder 15 via clearance around the bottom portion of the piston, groove 16, apertures 18, rod 7 and outlet 23, and, on the upward stroke, ring 16 closes apertures 18 so that a fresh charge is drawn into cylinder 15 from reservoir 1 via inlet ball valve 11. Reservoir 1 is supported by a wall bracket 2. A spring 20 effects the upward stroke.
Patent GB-482699-A (GB)
Title: Improvements in or relating to nests for poultry
IPC: A01K31/16
Filed: 1937-09-03
Abstract: 482,699. Trap nests. COBAIN, jun., J. Sept. 3, 1937, No. 24089. [Class 5 (ii)] A hen passes through an opening 2 in a boxlike structure on to a nest bottom 6 which descends in the manner of a hoist under control of a dash pot 8. The bottom 6 is connected by brackets to a counter balanced sliding door 3 which is closed by the descent of the nest bottom. When the hen has laid an egg, it passes through an opening 6a on to a pivoted receiver 9 connected to a catch 10 normally holding a door 11 closed against the action of a spring. The egg then passes into a receptacle 17, the door 11 opens, and when the hen leaves the nest, the nest bottom 6 rises and a flexible wire 13 connected to the bottom 6 closes the door 11 against the action of its spring, while the sliding door 3 rises to again leave a passage through the opening 2. A pivoted alighting board 16 may be used to close the opening 2 when it is not desired to use the nest. The nests may be used in rows and tiers.
Patent GB-615835-A (GB)
Title: Improvements in and relating to the colouration of polyvinyl plastics
IPC: C08J3/205
Filed: 1946-08-14
Abstract: Polyvinyl resins are coloured throughout by mixing a thermoplastic water insoluble polyvinyl resin, prior to any heat treatment in the presence of a plasticiser causing gelatinisation, and prior to the formation of articles therefrom, with an aqueous solution of a water soluble organic dyestuff which is substantially insoluble in organic solvents.  Resins specified are polymers and copolymers of vinyl and vinylidene chlorides, copolymers of vinyl chloride and vinyl acetate, polyvinyl acetate and condensation products of aldehydes with hydrolysed polymers and copolymers.  The dyes used fall in general in the classes (i) direct dyestuffs, those substantive to cotton; (ii) acid wool dyestuffs; (iii) chromable acid dyestuffs with no chromium compounds; (iv) metalliferous dyestuffs; (v) water soluble complex acid compounds of sulphonated triphenylmethane dyestuffs, and particularly those specified in German Specifications 335,809, 369,584, 468,576, 483,460, 491,513, 492,273, 493,811, 509,290, 541,196 and 548,829, and in French Specification 906,461 and many others.  The dyestuff solution may be preformed or produced by separate addition of solid dye and water.  If the dyed resin is to be plasticised the plastiser may be present with the dyestuff solution or added to the resin and dye solution.  Preferably the resin is finely divided, treated with the dye solution and the plasticiser such as tricresyl phosphate or dibutyl phthalate then added.  White lead or lead stearate may be added as stabilizers. Specification 582,019 is referred to.
Patent GB-195014-A (GB)
Title: Improvements in nail and like straightening devices
IPC: B25C13/00
Filed: 1922-09-06
Abstract: 195,014. Haegler, H. W. Sept. 6, 1922. Straightening; dies.-Relates to devices of the kind in which the nail is straightened between two grooved elements held in a pair of co-operating jaws and consists in forming the jaws with recesses in which the elements are adjustably held, the elements extending beyond the sides - of the jaws and being recessed round the grooves to enable the nail heads to be levelled. The jaws may be operated by hand or power. The straightening elements are cylinders c, provided with longitudinal grooves a of different croessections to accommodate nails of different shapes and sizes. The cylinders project beyond the sides of the jaws a and are recessed at the ends round the grooves to receive the nail-heads, which may be levelled by being hammered or pressed into the recesses. The parts d<1> between the grooves may be used to straighten flat strips. The cylinders are revoluble in the recesses a<3> in the jaws so that the desired pair of grooves can be brought into line with the nail between, the said nail being straightened by pressing the cylinders together by means of the levers b. The cylinders may be grooved as shown in Fig. 2 to receive the jaws, the bottom of the groove having flats h on which a spring f bears to hold the desired grooves in register. When the cylinder is to be removed from the jaw the spring f is pushed into a recess i' by an instrument introduced through an opening j. In a modification, Fig. 6, the cylinder is held in place by rings e sprung into grooves c<2>. The cylinders are shown hollow to secure lightness and in order that they may be used to straighten the legs of V-shaped staples &c. The ends of the jaws mav be bevelled at a<1> so that the device when made as a hand tool may be used to extract nails &c.
Patent GB-989345-A (GB)
Title: Improvements in or relating to mufflers or silencers for the exhaust gases of internal combustion engines
Inventor: CROWE JOHN
IPC: F01N1/08
Filed: 1961-07-04
Abstract: 989,345. Exhaust silencers. UPRIGHT SCAFFOLD Ltd. June 28, 1962 [July 4, 1961], No. 24183/61. Heading F1 B. A silencer comprises a cylindrical element 2 with disconnectible end members 37, which element 2 may be used alone or may be combined with similar elements, as shown in Fig. 2, to form a multi-element silencer. The element 1 has end plates 6, supporting a perforated tube 5, the space between the tube and outer casing 3 being filled with sound absorbing material 10. The inlet and outlet members 37 are secured to the element 2 by connecting rings 48 which clamp flanges 39 against flanges 4 on the element 2. In a multi-element silencer, the elements 2 are butted end to end and secured by clamping rings and the inlet and outlet members 37 are secured to the ends of the multi-element unit. In Fig. 4 the members 6 and tube 5 are replaced by discs 20 having an adjustable opening formed by slitting the disc radially and pushing out the resultant tongues. In a modified element 3, Fig. 9, the gas flows through a perforated tube 25, closed at one end, into annular space 31 and out through apertures 34, the end members 37 of Fig. 1 being secured to the member 3. The silencers are preferably constructed of stainless steel, apart from the inlets and outlets 38. In Fig. 10 the mild steel outlet pipe 38 is secured to the stainless steel disc 37 by clamping the disc between flanges 41, 42, formed at the end of the pipe 38. In Fig. 12 the mild steel pipe 38a has a stainless steel nipple 43 secured therein and the stainless steel disc 37a is welded to the projecting end of the nipple.