baber/WOPTO huggingface dataset:
Patent GB-575933-A (GB)
Title: Improvements in and relating to phonographs
IPC: G11B17/00
Filed: 1943-12-09
Abstract: 575,933. Phonographs. SOUNDSCRIBER CORPORATION. Dec. 9, 1943, No. 20613. Convention date, May 28. [Class 40 (ii)] In a combination recording and reproducing gramophone, the reproducing arm 15 is coupled to the recording arm 14 by a wire 37 attached at one end 39 to a pulley 35 on the reproducing arm, then extending around a pulley 25 on the recording arm, and attached at its other end to a spring 41 anchored to the pulley 35, the two lengths of the wire crossing each other between the pulleys. This coupling ensures that both arms will track the record at the same speed. The recording arm 14 is driven through a frictional block 24a by a vertical spindle 16 driven by worm gearing 17, 18, the arm 14 being held frictionally against the block 24a by a spring 28 between the arm and the pulley 35 keyed to the upper end of the spindle. The spindle 16 rests on a bearing collar 20 in the base of a cup 19, and is held thus by a spring 22 between the cup and a nut 24 fastened to the bottom end of the spindle. The reproducing arm 15 is fastened to a vertical spindle 32 mounted between point bearings 33, 34 in a bracket 43. The pulley 35 is adjustably secured to the arm 15 by screws 36 passing through slots in a flange 42 on the pulley. The ends of recording and reproducing arms are bent inwards to give the styli an advantageous tracking position. The recording head 30 is mounted on horizontal pivots 47, 48 approximately about its centre of gravity, and is urged against the record by a spring 55 as described in Specification 574,435. The reproducing head 31 is similarly mounted, but a member 50 is interposed between the head 31 and the horizontal pivots 51, 52, and the head 31 is mounted in the member 50 on vertical pivots. The spring 56 tends to press the head down on the record and also to hold the head centrally on the vertical pivots. This allows the recording head to accommodate itself to irregularities of position of the record grooves, while it is positively tracked by the wire coupling 37. Specifications 539,534 and 558,552 also are referred to.
Patent GB-1081526-A (GB)
Title: Housing assembly for circuit boards
Inventor: LENO JOHN ALBERT
IPC: H05K7/20
Filed: 1965-05-17
Abstract: 1,081,526. Component assemblies. STANDARD TELEPHONES & CABLES Ltd. May 13, 1966 [May 17, 1965], No. 20689/65. Heading H1R. In a housing for circuit boards 8, such as printed circuit boards, having components 10 mounted thereon, two corrugated Al side members 4 shaped to provide cooling fins 22 are located in spaced parallel planes between Al end plates 1. Each board 8 is attached to a plate 9 of good heat-conducting metal and is inserted between opposite corrugations in side members 4; when oversize components 11 are carried on a board 8, the next adjacent corrugations receive a metal spacing frame 12. When the board assembly is complete, nuts 15 on tie rods 13 are tightened to compress the corrugations against the plates 9. This arrangement is mounted between lower and upper trays (5, 16, Fig. 2, not shown), being bolted thereto by vertical tie-rods 6. In a modification (Fig. 3, not shown), the heat conducting plates overlap the circuit boards, the overlap portions being received in the corrugations.
Patent GB-148906-A (GB)
Title: Improvements in carburetters for internal combustion engines
IPC: F02M7/26
Filed: 1920-07-10
Abstract: 148,906. Girin, A. July 10, 1919, [Convention date]. Addition to 148,158. Void [Published under Sect. 91 of the Act]. Spray carburettors, in which the air valve D is contralled simultaneously with a fuel valve E through links, as described in the parent Specification, have a tube C surrounding the fuel nozzle B and provided with orifices C<1> at its lower end. The air valve, when shut, closes both these orifices and the main air ports A<2>, and on opening uncovers the orifices first so that a rich mixture is obtained for starting. The fuel control valve and the flooding devices for the nozzle are the same as described in the parent Specification.
Patent GB-1374704-A (GB)
Title: Tubular filter membrane
IPC: B01D71/16
Filed: 1972-05-04
Abstract: 1374704 Ultra filtration membrane ALFALAVAL AB 4 May 1972 [1 June 1971] 20755/ 72 Heading B1X A tubular filter membrane (e.g. for ultra filtration or reverse osmosis has a wall permeable to liquid and a tubular reinforcing means which is completely embedded in the membrane material and consists of threads crossing each other, the threads having a higher tensile strength than the membrane material and constituting the only support for the membrane material, the threads extending inside the membrane material, in two substantially mutually perpendicular directions, one of the directions being generally axial. The reinforcement may be a tubular woven superpolyamide fabric, and the membrane may be cellulose acetate.
Patent GB-587956-A (GB)
Title: Improvements in packages
IPC: B65D75/68
Filed: 1944-10-26
Abstract: 587,956. Packages. ROSE, A. G., and ROSE BROS. (GAINSBOROUGH), Ltd. Oct. 26, 1944, No. 20849. [Class 94 (i)] In a package for an article such as a batch of cigarettes, of the type wherein a pair of the edges of an inner wrapper of heat-sealing material are secured together to form a tube with a longitudinal seam 11 upstanding from the package, the seam being then folded on to the article, and the ends pressed on to the ends of the article to form seams 13 and triangular tabs 12 which are then folded on to the ends of the package, the whole is totally enclosed in a further casing or casings, e.g., a carton 17 of the slide and shell type. A strip 14 may be included within the inner wrapper to facilitate opening. According to the Provisional Specification, a wrapper of paper &c. may replace the carton, and slits may be provided in the end seam to form a tab, or a cutting element may be incorporated in the outer casing.
Patent GB-463916-A (GB)
Title: Improvements in or relating to cameras for taking radiographic pictures
IPC: G03B42/02
Filed: 1936-07-29
Abstract: 463,916. Radiographicfilm-changing apparatus. MAELE, M. VAN DE. July 29, 1936, No. 20980. Convention date, July 30, 1935. [Class 98 (i)] A camera for taking radiographic pictures in rapid succession on separate films comprises a drum fitted with pins, adapted to rotate tangentially to a film magazine, the pins engaging perforations in the films and conveying them to the film gate and to a second magazine. The unexposed films a are placed in the magazine 6 carried on a movable bracket 16. The film support 49 is a continuation of a circular guideway 50. The drum 2 is formed of two wheels and carries two series 1, 3 of six pins, each mounted resiliently and provided with rollers 10, which are pressed against inner guideways 4, 5. As the drum rotates, a pin 1 is moved to seize the lowermost film and carry it to the stop 9 and exposure gate A. At this point, the guideway 5 is shaped so that the pin is withdrawn from the film and rotates to pick up another film at the point D. When the film is at the stop 9, cam 12 acts on a slide 40 to press the film against screens M, F. A pivoted lever 45 held by a spring 52 prevents excessive application of pressure and a screw 53 enables adjustment of the pressure to be made. When the pressure is released, a pin 3 is simultaneously moved by the guideway 4 to engage a bolt 7, liberate the film and then engage the perforation in the film, the latter being carried to point C. The film then drops off on to endless chains 26, 27 which carry it to the magazine 43. Rotation is transmitted from the main shaft 11 to a clutch shaft and thence to shafts 18, 25 and 28 through gears 19, 20, 21, and bevel gears, e.g. 29. A clutch geared to shaft 28 rotates a worm 14 to move up or down the bracket 16, carrying the films, the motion being controlled by a balanced lever acting on the clutch to move it either forwardly or reversely.
Patent GB-1056324-A (GB)
Title: Improvements in sealed magnetic reed contact units
IPC: H01H51/28
Filed: 1964-06-23
Abstract: 1,056,324. Electromagnetic relays. INTERNATIONAL BUSINESS MACHINES CORPORATION. June 23, 1964 [June 28, 1963], No. 21049/66. Divided out of 1,056,323. Heading H2B. A reed switch comprises at least one sealed magnetic contact unit axially rotatable relative to a permanent bar magnet which is coaxial with an operating coil surrounding the magnetcontact unit assembly. Each of a plurality of units may be adjusted relative to the biasing magnet to set the operating characteristics.
Patent GB-1507412-A (GB)
Title: Pulverulent dyestuff formulations
IPC: C09B67/02
Filed: 1976-05-21
Abstract: 1507412 None-dusting dyestuff compositions CASSELLA FARBWERKE MAINKUR AG 21 May 1976 [24 May 1975] 21084/76 Heading D1B None-dusting dyestuff compositions contain as anti-dusting agents (a) a non-ionic polyether emulsifier and (b) a mineral oil boiling within the range 140 to 310C the sum of (a)+(b) being 0.05 to 3% by weight of the dyestuff composition, the weight ratio of (a) : (b) being 35:65 to 5:95. Vat, disperse, direct, reactive. sulphur, basic dyes and organic pigment compositions are obtained by mixing the ingredients together in the required proportions. Liquid dye preparations may be mixed with the anti-dusting agents followed by drying and grinding. Preferred mineral oils are obtained from petroleum fractions and preferred non- ionic emulsifiers are alkoxylation products of fatty alcohols, fatty acids, or fatty acid amide with 7 to 30 carbon atoms or an alkyl phenol with a total of 4 to 12 carbon atoms in the alkyl radicals with 3 to 30 mols/mol of an alkylene oxide of 2 to 4 carbon atoms.
Patent GB-213499-A (GB)
Title: Improvements relating to the valve operation of internal combustion engines
IPC: F01L1/245
Filed: 1923-08-21
Abstract: 213,499. Maclure, G. M. Aug. 21, 1923. No Patent granted (Sealing fee not paid). Valve gear. - In means for automatically taking up the clearance between the cam and tappet rod, of the kind in which oil under pressure is supplied to the space between two telescoping parts of the tappet rod, the oil is supplied from a channel 11 to ports 9. 8 leading to the space between the bottom of the plunger 7 and the hollow tappet 3. When the clearance becomes reduced owing to contraction of the parts, the surplus oil is forced back into the channel 11. The tappet rod 5 has spherical engagement with the top of the plunger 7.
Patent GB-1428040-A (GB)
Title: Non-caking readily soluble dyestuffs granulates of anionic dyestuffs
IPC: C09B67/24
Filed: 1973-05-03
Abstract: 1428040 Anionic dye granulates CIBAGEIGY AG 3 May 1973 [5 May 1972] 21169/73 Heading D1B Noncaking water-soluble dyestuff granulates of anionic dyes are prepared by melting the dyes together with urea and allowing the melt to solidify, the granulates being formed during or after the solidification. The dyes may be dyes which contain sulphonic acid groups or are metal complex dyes and may be reactive dyes. Surface active agents, water. thiourea, benzoic acid, formic acid and maleic acid may also be used in the melt to improve stability and adjust pH and reduce the melting point of the urea.
Patent GB-1077126-A (GB)
Title: Photographic reflex camera
Inventor: ELLISCHER HELMUT
IPC: G03B19/12
Filed: 1964-05-22
Abstract: 1,077,126. Photographic reflex cameras. EASTMAN KODAK CO. May 22, 1964, No. 21171/64. Heading G2A. A single lens reflex camera having a control mechanism for moving a cover flap 45 or mirror 47 between operative and inoperative positions is provided with means for resiliently urging the cover flap or mirror into each position, the cover flap or mirror being coupled to the control mechanism by a lost motion connection which permits the control mechanism to overtravel the cover flap or mirror and thus to tension the resilient means. The remaining features of the camera have been disclosed in Specification 1, 075,651 in which the cover flap and mirror are each moved by a control slide 34 through two-armed levers 43 pivotally mounted in the camera housing. The cover flap 45 is coupled by the lost motion connection to one arm of the lever 43, while the other arm 43c carries a pin 43b which moves in a groove 34d in the control slide 34. The lost motion connection comprises a pin 45a on the cover flap 45 and a recess 43a in the lever 43, the width of the recess being greater than the diameter of the pin. Two opposing springs 50, 70 encircle a bolt 54 on the lever 43 and have their ends 58, 74 in engagement with opposite edges 62, 78 of the lever 43 and their opposite ends 66, 82 in engagement with opposite sides of the pin 45a. As the control mechanism overtravels the cover flap a further pin 86 on the lever 43 withdraws the spring 70 from the pin 45a so that the cover flap 45 is urged by the spring 50 alone into its inoperative position. Similarly, the cover flap is urged into its operative position by the spring 70 only.
Patent GB-709826-A (GB)
Title: Improvements in or relating to polarographs
Inventor: BARKER GEOFFREY CECIL
IPC: G01N27/48
Filed: 1951-09-08
Abstract: 709,826. Polarography. NATIONAL RESEARCH DEVELOPMENT CORPORA- - TION. Aug. 25, 1952, [Sept. 8, 1951.] No. 21221/51. Class 37. A polarograph of the dropping mercury type is fed with an A.C. voltage of substantially square wave form and frequency higher than the dropping frequency in addition to the increasing direct voltage, the difference between the steady currents at the maximum and minimum values of the A.C. being recorded. In an embodiment, a square wave voltage generator 5 and a slowly varying D.C. voltage generator 4 feed the polarographic cell 1 via a modulator 16, the resulting current producing a potential difference across a resistor in modulator 16 which is taken via high-pass filter 8 and amplifier 9 to detector 17. A pulse generator 12, tied to the frequency of the square wave generator 5, also feeds detector 17, causing it to monitor the input signal at a predetermined point near the end of each halfcycle, producing a voltage which is proportional to the difference between the two values observed in one complete cycle. This is fed to a selector unit 18, where it charges a condenser controlling a recorder 11. The recorder is also tied to the mercury dropping action, which is monitored by sending an H.F. current through the cell 1 via condensers 23, and causing the impedance changes due to the drops to stimulate an electronic delay circuit. The effect of the varying size of the drop surface may be eliminated by altering the shape of the square wave voltages.
Patent GB-926634-A (GB)
Title: Improvements in or relating to travelling blowers for textile machines
IPC: D01H11/00
Filed: 1961-06-13
Abstract: 926,634. Cleaning spinning and winding machines. LUWA A.G. June 13, 1961 [June 13, 1960], No. 21348/61. Class 120 (3). A travelling cleaner for a textile machine comprises an air blower mounted on a carriage horizontally, vertically or inclinably reciprocable on rails. An endless drive carrying an operating member extends between and around two pulleys, one of which is driven and the axes of which are parallel. A link is secured to the member with one end pivotable about an axis parallel to the pulley axes and the other end secured to the carriage to displace it along the rails. In the overhead apparatus shown, beams 3 provide guide rails for the wheels 13 of a carriage 10 which supports a blower motor 15, blower 16 and nozzles 17 having outlet apertures (not shown) directing air over the supply and take-up bobbins and the drafting rollers (not shown) of a spinning frame. A rope 8 running around pulleys 6 and 7 (the latter driven by chain 30 and sprocket 29) carries a member 9 pivotally connected to a link 19 rockably mounted about a pivot 18. The travel of member 9 on successive flights of the rope causes the link 19 to pull and then push the carriage on to its forward and reverse travel along the frame. The accompanying swinging of the link 19 from one operative position to another is limited, and the link is secured, by a fixed stop 20 and a stop 23 on a spring-loaded guide-rod 21 pivotally secured to the stop 20, so that the rope is not deflected from its intended path. The rod 21 is lifted, to release the link 19 from stop 23, by its engagement with a lifting rod 24. As shown in Fig. 4, member 9 is formed by rollers 26, the ends of rope 8 being connected by a clamping bolt 27 secured to a mounting- plate 25.
Patent GB-928909-A (GB)
Title: Improvements in or relating to supports for growing plants
IPC: A01G9/12
Filed: 1959-06-23
Abstract: 928,909. Plant supports. W. G. A. WOODWARD. Aug. 11, 1960 [June 23, 1959], No. 21415/59. Class 6(2). A plant support comprises a wire 13 loosely wound on a cane, the wire being provided with branch members 14 which may be bent into loop form round the stem of the plant. The members 14 may be formed by attaching short lengths of wire to the wire 13 or may consist of a double thickness of the wire 13 bent back upon itself at the outer end of the branch.
Patent GB-423368-A (GB)
Title: Improvements in or relating to propelling pencils
IPC: B43K21/08
Filed: 1933-07-31
Abstract: 423,368. Pencil holders; pocket clips. SHURE, J., and ANDREWS, A., Tudor Grove, Well Street, Hackney, London. July 31, 1933, No. 21469. [Class 146 (iii)] [See also Group VII] In a screw-propelling pencil holder having a helicallyslotted propelling- element 14, the propelling rod 25 is guided by a member which normally prevents it from rotating, but permits rotation at each end of its stroke to prevent damage from overwinding, the arrangement being such that during its rotation the rod is still under the control of its guide member so that reverse rotation of the propelling - element immediately causes axial movement of the rod. The element 14 is soldered into a split sleeve 17 which is rotatable in a collar 16 screwed into the barrel, the sleeve 17 being formed with punchedout lugs 18 which enter the material of the head 13 to secure it in place. A pocket-clip 20 is secured between the end of the barrel and the collar 16, the clip being formed with a depression entering a notch in the end of the barrel to prevent rotation with possible unscrewing of the collar. The rod 25 is provided with a lead-carrier 26 normally held in position against a stop 27 by a spring 28. The rod is bent outwardly to pass through the helical slot in the element, then parallel to itself outside the element, and then back again through the next turn of the slot, so that a loop 29 is formed outside the element 14. To prevent the rod from being disconnected from the element, a projection 30 is formed therein. The loop 29 engages any one of a number of channels 32 formed by pressing outwardly parts of a tube 31, the tube being enlarged at its ends so that the loop can snap easily from one channel to another if rotation is continued. The spaces formed between the barrel and the inwardly-extending parts of the tube 31 serve as spare-lead receptacles, access to which is obtained by removing the tip 12. To ensure that the refills are inserted in the correct spaces, the tube 31 may project beyond the end of the barrel and the tip be correspondingly modified.
Patent GB-666738-A (GB)
Title: Extreme pressure lubricants and additives therefor
Filed: 1949-08-22
Abstract: Polyvalent metal soaps of mercapto acids R1SR2COOH, where R1 is an alkyl group, R2 is an alkylene group and where the total number of carbon atoms in R1 and R2 is between 9 and 25, are made by preparing an alkali metal salt of such an acid and forming the soap by double decomposition.  R1 has preferably 8-20 C atoms and R2 is a short-chain, preferably of 1-5 C atoms.  The mercapto acids may be made by reacting the corresponding mercaptans such as those obtained from petroleum oils, e.g. by the H2S treatment of olefines, with a carboxylic acid or a substance readily converted thereto, containing a double bond, e.g. acrylonitrile and a base, e.g. NaOH, may be present to hydrolyse the mercapto-nitrile as soon as it is formed. The acids may also be made by reacting, e.g. beta-propiolactone with the mercaptan, c.f.  Specification 648,672, optionally in the presence of a base such as NaOH or KOH, by reacting the corresponding metal mercaptide, e.g. the sodium salt of a C8-C20 aliphatic mercaptan with a chloro- or other halo-aliphatic acid of up to 10 or more carbon atoms, e.g. beta-chloropropionic or chloracetic acid, or by reacting a C8-C20 aliphatic mercaptan with an unsaturated acid such as undecylenic acid. Branched-chain mercaptans are preferred, especially C8-12 mercaptans.  For salt formation sodium hydroxide is preferred and the addition of a water-soluble salt of the polyvalent metal is preferably effected along with a hydrocarbon, e.g. light naphtha or heavier fraction, in which the soap may be soluble.  Lead salts are preferred, other salts specified being those of Zn, Mn, Cu, Co, Ca, Ba or Sr.  In examples: (1) a C12, and (2) a C8 branched-chain aliphatic mercaptan is reacted with acrylonitrile, the product hydrolysed with NaOH and treated with lead acetate in aqueous solution in the presence of pet. naphtha from which the lead soap is recovered after separation.ALSO:A lubricating oil composition comprises a major proportion of a mineral oil base lubricant and a minor proportion of a polyvalent metal soap of a mercapto acid of formula R1SR2COOH where R1 is an alkyl group and R2 is an alkylene group, and where the total carbon atoms in R1 and R2 is 9-25 R1 preferably has 8-20 C atoms and R2 is a short chain preferably of 1-5 C atoms.  Specified metals are Zn, Mn, Cu, Co, Ca, Ba, Sr or Pb, which is preferred.  Branched chain C 8-12 mercaptans are preferred. Oil and grease mixtures may be made and the additives used preferably in a concentration of 1-20 per cent.  Conventional additives may also be present.  A table illustrates the superiority in load characteristics of a lead soap derived from a C12 mercaptan over lead oleate in calcium base greases.
Patent GB-211416-A (GB)
Title: A new or improved inspirating air and fuel induction passage for the vapourisers ofinternal combustion engines
IPC: F02M1/00
Filed: 1923-08-29
Abstract: 211,416. Blackstone, G. M., Carter, F., and Carter, E. Aug. 29, 1923. Spray carburettors; vaporizers, external. -An engine of the type described in Specifications 24611/03 and 6672/08 in which the main portion of the air is admitted to the cylinder through a separate valve, and the remaining portion, after being carburetted by fuel issuing from a nozzle, is sucked through a vaporizer at each suction stroke, is improved by upturning the extreme end of the pipe through which the latter air is admitted, so that any fuel dropped at the nozzle may not run out. As shown air enters the upturned end j<1> of a pipe having a fuel nozzle k, a choke n, and a water-valve l similar to that described in Specification 6672/08. The end j is preferably surrounded by one or more annular or scroll shaped ducts m. Air enters at m<4> and after circulating in the passage m<3>, passes to a passage m<1> where it circulates in the opposite direction before passing down the pipe j.