baber/WOPTO huggingface dataset:
Patent GB-211874-A (GB)
Title: Improvements in or relating to electric push-button switches
IPC: H01H13/58
Filed: 1924-02-20
Abstract: 211,874. Langegger, M., (Assignee of Stopp÷ck, A.). Feb. 23, 1923, [Convention date]. Push-button switches, of the kind in which successive actuations of the push-button cause the rotation of a contact member so that the switch is moved for example first " on " and then " off." The contact member is rotatably mounted on the push button k and comprises arms g, g<1> which co-operate with the fixed toothed guides z<1>, z<2> and contacts h<1>, h<2> mounted on the ends of the arms outside the guides. Depression and release of the push button k causes the arm g for example to follow the dotted line in Fig. 1 so that the whole contact member is rotated through 90‹ away from the fixed contacts l<1>, l<2>. The contacts l<1>, l<2> are shaped as shown in Fig. 2 and the movable contacts h<1>, h<2> may either co-operate with their upper horizontal portions as shown in Fig. 1, or alternatively with their vertical portions.
Patent GB-753737-A (GB)
Title: Dentrifrice preparations
IPC: A61K8/73
Filed: 1954-02-15
Abstract: A dentifrice e.g. dental cream, tooth powder, comprises dextran, which may be native or partially depolymerized and a polishing agent, and, preferably, a water-soluble organic detergent, e.g. an anionic non-soap foaming detergent.  The dentifrice may contain up to 50 per cent dextran, up to 95 per cent polishing agent, and up to 20 per cent detergent.  Examples of polishing agents are calcium carbonate, di-calcium phosphate, tricalcium phosphate, sodium metaphosphate, aluminium hydroxide, magnesium carbonate, calcium sulphate, kieselguhr, pumice, bentonite, trisodium pyrophosphate, trimagnesium phosphate. Detergents specified are salts of higher fatty acid monoglyceride monosulphate, e.g. from coconut oil, sodium lauryl sulphate, sodium dodecyl benzene sulphonate, sodium lauryl sulpho-acetate, sodium N-lauroyl sarcoside, soaps of animal or vegetable material. Additional substances which may be present are glycerine, water, sorbitol, propylene glycol, Irish moss, gum tragacanth, sodium carboxymethylcellulose or starch, saccharin, flavouring oils, colouring and preserving agents, sodium benzoate, viscarin gum.
Patent GB-392302-A (GB)
Title: Improvements relating to metal shaping machines
IPC: B23D1/08
Filed: 1932-02-16
Abstract: 392,302. Splash lubrication. TOWN, W., Mile Cross Engineering Works, Halifax, Yorkshire. Feb. 16, 1932, No. 4521. [Classes 12 (ii) and 12 (iii).] A metal-shaping machine has a box-like body A filled up to a desired level with oil which is splashed by fast running gear wheels E dipping into the oil, on to the remaining wheels M, N, O, P of the variable-speed gear, on to their shaft bearings, and on to the crank G and pitman H. Oil collecting in a basin g<1> in the crank block g is led by passages g<2> to guides h on the pitman, in which the block g slides. The shaft bearings of the variable-speed gear are covered by oil-tight caps or plates, and a packing or stuffing box is provided where the driving shaft e passes through the body A. A pelton wheel may be arranged on the shaft e to throw up a supplementary amount of oil. The oil level is observed through a window D.
Patent GB-548390-A (GB)
Title: Improvements in or relating to lubricating compositions
Filed: 1941-04-04
Abstract: 548,390. Lubricating compositions. HELMORE, W. April 4, 1941, No. 4551. [Class 91] An extreme pressure lubricating composition of the type containing an organic phosphite and an organic phosphate is improved against its corrosive effect and also for use at high temperatures by the addition thereto of a small proportion of an oil-soluble organic tin compound. The trivalent phosphorus compound may be an aryl or alkyl phosphite, a mixed phosphite or a long chain compound in which a phosphite radical occurs more than once in the molecule ; tributyl phosphite and triamyl phosphite are specified. The phosphate may be an aryl or alkyl phosphate, or a mixed phosphate; tricresyl phosphate, triphenyl phosphate, and trinaphthyl phosphate are specified. The organic tin compound may be a soap or other organic tin compound; tin oleate and tin phenyl are specified. The addition agents are added in total amounts of up to 10 per cent. by weight of the oil base and preferably about 1 to 2 per cent., the individual proportions being variable. In an example, a solvent refined paraffinic lubricating oil base is compounded with a mixture comprising tricresyl phosphate, 0.5 per cent.: tributyl phosphite, 0.10 per cent.; and tin oleate, 0.10 per cent. The Provisional Specification includes also the addition of a corresponding thiophosphite or thiophosphate instead of the phosphite or phosphate, and includes compositions in which either an organic phosphite or phosphate may be used.
Patent GB-732401-A (GB)
Title: Improvements in toys
Inventor: DAWE FRANK WALTER
IPC: A63H13/12
Filed: 1953-02-18
Abstract: 732,401. Acrobat and musical toys. MATTELL, Inc. Jan. 1, 1954 [Feb. 18, 1953], No. 4602/53. Class 132(3). [Also in Group XXXVIII] A toy is in the form of an acrobat on a. horizontal bar and may include a musical device. As shown, the body of the figure 2 is freely pivoted to arms 8, and hands 7 are secured to a spindle 6 which is turned by means of a driving shaft 14 and an elastic band 12 which passes over pulleys 11, 13. The shaft 14 also drives a flexible belt 20 which has projections 24 adapted to pluck teeth 25 of a musical comb 26 as the belt passes round the shaft 14 and a second shaft 21 held in slots 22. When the shaft 14 is turned, the figure is first raised to the position shown, the elastic band being tensioned in run A and slack in run B. Continued rotation of the shaft 14 causes the figure to be raised slightly more, the counter torque on the spindle 6 being reduced slightly and the stored energy in the elastic band causing the spindle to turn suddenly and the figure to perform one or more somersaults. The spindle 6 may overrun the driving shaft 14 to cause tension in the run B of the rubber band, and one or more revolutions of the spindle 6 in the reverse direction may result. Specifications 707,222 and 707,248, [both in Group XXXVIII], are referred to.
Patent GB-439771-A (GB)
Title: Improvements in or relating to television or like systems
IPC: H04N5/222
Filed: 1934-09-25
Abstract: 439,771. Kinematograph projectors. BAIRD, J. L., and BAIRD TELEVISION, Ltd., 58, Victoria Street, Westminster. Sept. 25, 1934, No. 4689 /35. Divided out of 430,900, [Group XL]. [Class 97 (i)] [See also Group XL] A projector for use in an intermediate-film television receiver is constructed to project alternate, or other selected, film images more than once. Fig. 3 shows maltese cross mechanism for projecting alternate images twice, and comprises a pin wheel 9 with pins 10, 11, spaced apart 120‹. The shutter, Fig. 2, has blades 5, 6, 7, and both the pin wheel and shutter make one revolution for three exposures. Specification 430,900 is referred to.
Patent GB-721275-A (GB)
Title: Improvements in venetian blinds
IPC: E06B9/382
Filed: 1951-02-26
Abstract: 721,275. Venetian blinds. BIERLICH, J. H. Feb. 26, 1951, [March 3, 1950; Sept. 28, 1950], No. 4695/51. Class 20 (3). A collapsible tape for venetian blinds comprises a chain of plane link elements hingedly joined by having an edge portion of one link projecting through a transverse slot adjacent and spaced from the edge of the neighbour link throughout the entire length of the chain, the joints providing a one-way-break hinge, breaking alternately in opposite directions. A slotsupporting chain is made up of alternate elements 10, 12 of thin metal, celluloid, polyvinyl, &c., plate linked together by the engagement of the edges of plate 12 in transverse slots 16a, 16b in plate 10 so that ears 13a, 13b of the one plate grip behind ears 42a, 42b of the other. One-way break hinge joints are provided as by means of oppositely offset pocket-forming portions 21a, 21b at the ends of plate 12. Instead of two types of link a single type may be used embodying a slot at one end and an offset portion at the other, the links being connected so that the pockets of adjacent links open in opposite directions. The links may be assembled by a tool in which a link is changed so that its edge is curved to permit fitting in the slot of an adjacent link. Slat-supporting rungs comprise bars 50 having end projecting ears 53a, 53b, beyond notches enabling the bar to extend through an aperture 48 in the pocket of links 12, the bars being insertible by being bent slightly or by the provision of slots in the links extending from the corners of aperture 48, or longitudinal slots at the end of the bars may provide sufficient elasticity for the ears to pass through the aperture. Instead of separate rungs 50, projections 120a, 120b may extend from notches in the slat edges into the link chain apertures. Top and bottom bars are beaded to accommodate reinforcement wires which also pass through the rolled edges of the top and bottom links to serve as hinge pins. In a modification the slats are slotted to provide ears for engagement with links of standard form. The blind may be mounted between the surfaces of double windows.
Patent GB-197429-A (GB)
Title: Improvements in or relating to the purification of fats and oils and to the treatment of dust-like substances with solvents
IPC: B01D11/02
Filed: 1922-02-17
Abstract: 197,429. Bollmann, H. Feb. 17, 1922. Fats, oils, &c., extracting and purifying.-In a counter-current process for the extraction by solvents of the oils from dust-like substances contained in oil sediments or residues from filter presses, or for purifying fats and oils by bleaching earths, the earth or residue from a reservoir W and the oil or solvent from a reservoir U are alternately conveyed in opposite directions through superimposed compartments C<1> - - C' of an extraction tower a provided with settling-vessels e, f, g having non-return flap valves h, i, k, and with partitions b, c, d having non-return valves o<1>, o<11>, p<1>, p<11>, q<1>, q<11>. On the suction stroke of a pump A, adjustable quantities of earth and oil are drawn into the tower a from the reservoirs W, U and the flap valves h, i, k are opened to allow the passage of the earth that has settled in the vessels e, f, g during the discharge stroke of the pump. On the discharge stroke, bleached oil is expelled through the valve z, used earth through the valve y, and the oil being treated is forced into the next upper chamber through the valves o<1> - - q<11>. Rotary slotted distributing dishes r<1>, r<11> are arranged beneath the flaps h, i, and between anti-whirling devices t t<1>, s s<1> comprising annular frames with radial plates.
Patent GB-710647-A (GB)
Title: Improvements in electrical heating appliances
IPC: H05B3/06
Filed: 1951-02-27
Abstract: 710,647. Mounting terminals. EVANS, D. D. May 26, 1952, [Feb. 27, 1951.] No. 4751/51. Class 38(1). [Also in Groups XI and XXV] A heater comprising a resistance wire wound on a ceramic tube 3 has fitting over the end of tube a cap 4 used for attachment of terminal wires and received in brackets on the appliance, said caps being retained in abutment against the end of the tube by screw-threaded attachment to an anchoring member 1 lodged in the wall of the tube. The cap is preferably retained by an axial screw 6 passing through the end cap and engaging an anchoring member lodged in opposite diametral holes 2 in the tube. The anchoring member may be a bar or pin centrally apertured and threaded to receive the screw, which carries nuts holding the end cap in place, or the central aperture of the cap may be threaded. The anchoring pin may have a plain perforation, the screw having an enlarged head engaging behind the pin. A springy wire may be bent into a loop to form the anchor and fits over the head of the screw which is slotted to engage the loop. The inner end of the screw may be formed with a hook or an eye through which the anchoring pin passes, in which case the screw may be formed as a threaded split pin the outer ends of which may be bent over the locking nuts. The anchoring member and screw may form an integral T- shaped member. The anchoring holes may communicate with bayonet grooves or slots in the tube. The inner end of the screw may be forked, the ends 20 springing into the holes in the tube. The cap may be internally threaded to screw over teeth in the ends of the anchoring bar which project slightly through the holes in the tube; or the anchoring bar comprises a slightly-twisted flat strip with its ends in the form of a screw thread. Only one hole in the ceramic tube may be used and in this is lodged a small pin 25 extending into a lateral recess 27 in an enlargement of the end of the screw, the pin being held in place by passing the end cap over it. The lip of the cap abuts against a shoulder on the ceramic tube or the inner surface of the cap abuts against the end of the tube; or the tube end and the cap are coned.
Patent GB-830694-A (GB)
Title: Improvements relating to electric lamp holders
Inventor: STRINGER EDWARD
IPC: H01R33/22
Filed: 1957-02-12
Abstract: 830,694. Lamp-holders. BARRINGTON PRODUCTS (LEICESTER) Ltd. Feb. 10, 1958 [Feb. 12, 1957], No. 4763/57. Class 38 (1). A holder for a screw-cap lamp comprises a resilient body 1, e.g. of nylon having moulded therein a mounting bracket 5 - and receiving in a tubular socket portion 2 an outer contact in the form of a split sleeve 12 having an interrupted thread 13 and an integral terminal stem 11 which passes through a slot in the base of the body and is then bent over. A central spring plunger contact 18 is also mounted in the base of the body. On insertion of a lamp cap the split sleeve wraps itself round the outside of the cap.
Patent GB-819328-A (GB)
Title: Improvements in or relating to belt sanding machines
IPC: B24B21/00
Filed: 1957-02-13
Abstract: 819,328. Abrasive belt machines. CARBORUNDUM CO. Feb. 13, 1957, No. 4887/57. Class 60. A belt-sanding machine comprises a serrated endless back-up belt positioned to travel around a pair of pulleys 5, 8 mounted on a base, means for driving one of the pulleys, an endless abrasive belt positioned to travel about one (5) of the pair of pulleys and a third pulley 9 also mounted on the base, means for independently moving one of the pair of pulleys and the third pulley in a plane through their axes to adjust the tension in the back-up and abrasive belts respectively, means for independently tilting the axes of one of the pair of pulleys and the third pulley to control the tracking of the back-up and abrasive belts respectively, and work-tables 16 attached to the base and positioned opposite each other along the two stretches of belt travel between the pulleys. The back-up belt, which preferably consists of a backing of cloth cemented to a rubber layer formed with parallel depressions on its outer face, travels over the pulleys 5, 8 and platens 51, 52 mounted on the base 1. The pulley 5 is driven by an electric motor 4, and the pulley 8 is mounted in a bracket 23 pivotted by a pin 25 to a member 24 slidable along longitudinal guideways on the base 1. The bracket is rocked about the pin to control the tracking of the back-up belt by a screw 28 co-operating with a nut 27 and locked in position by a screw 29, and a handwheel 32 and screw 30 are provided to tension the belt by sliding the member 24 along the base 1. The pulley 9 is located in the same plane as the axes of the other pulleys and is mounted on bearings on a spindle removably carried in a bush on a carriage 36. The carriage may be moved by means of a screw 34 and handwheel 35 to adjust the tension of the abrasive belt, which fits over the pulley 9 and the back-up belt, and a screw 37 tilts the axis of the pulley to control the tracking of the belt. The worktables 16, one or both of which may be vertically adjusted by means of a screw 11, are provided at each side of the belts between the pulleys 5, 8; pins 14 co-operate with bushes 15 to guide the vertical movement of the table. The vertical movement provides means for ensuring even wear of the abrasive belt. One or both of the tables may be angularly adjusted about edges 21, Fig. 3, by means of an arcuate slot 18 in a member 17 co-operating with a roller-pin 19 and a handscrew 20 which provide guiding and locking means. A third table 39, Fig. 2, may be provided to permit sanding at the pulley 9 and may be fixed as vertically and/or angularly adjustable by means similar to the worktables 16.
Patent GB-659909-A (GB)
Title: Improvements in machines for spreading manure or similar materials
Inventor: LOUNT ARCHIBALD MURRAY
IPC: A01C3/06
Filed: 1949-02-25
Abstract: 659,909. Manure distributers. MASSEY-HARRIS, Ltd. Feb. 25, 1949, No. 5144. [Class 6(i)] In a machine for distributing manure of the type in which an apron is moved intermittently over the bottom of the vehicle by means of cams a<SP>7</SP> driven from the landwheels and cooperating with a roller c' mounted on a shackle c, to transport manure to rotary spreaders, the apron is moved by a ratchet wheel B and pawl b through a notched connecting rod connected to the shackle c and capable of sliding in a bearing block b<SP>2</SP> against the action of a spring c<SP>3</SP>, when the movement of the apron is obstructed. As shown an adjustable spring-pressed plunger in the bearing block b<SP>2</SP> engages in a notch in the rod. The shackle c is connected by a strap a<SP>2</SP> to a lever a<SP>3</SP> formed with an arm a<SP>4</SP> pivoted on a bracket A<SP>1</SP> affixed to the machine frame. The arcuate lever a<SP>3</SP> may be raised by a control rod A<SP>2</SP> through a link a' to lift the roller c' out of contact with the cam a'.
Patent GB-525220-A (GB)
Title: Improvements in and relating to regulating systems
IPC: H02P9/32
Filed: 1939-02-16
Abstract: 525,220. Regulating systems. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 16, 1939, No. 5154. Convention date, Feb. 16, 1938. [Class 38 (iv)] Two saturable core reactors are used to control the output of an alternator. The field 3 of the alternator 1 is fed from an exciter 4 having a field winding 5 and a bucking winding 6. The bucking winding is energised directly from the output of the alternator through rectifier bridge 8 so that increase in voltage in circuit 2 causes an increase in the energisation of winding 6 and a decrease in the alternator output. The circuit of rectifier 8 includes windings 9 of a saturable reactor. This reactor has a saturating winding 10 fed from the circuit 2 through rectifier bridge 11 so that the saturation of the reactor also 'varies with the voltage in circuit 2 and amplifies the control effect of winding 6. Also the input to bridge 11 includes a winding 12 on a toroidal reactor. 13 which still further amplifies the regulating effect.
Patent GB-575410-A (GB)
Title: Improvements in or relating to devices for cleaning moving sifting screens by brush means
IPC: B07B1/52
Filed: 1943-03-31
Abstract: 575,410. Sifting-apparatus. KOLLER, M. March 31, 1943, No. 5187. [Class 117] In sieve brushing devices of the type in which the brushes are automatically traversed by the reciprocating motion of the sieve, and the direction of movement is automatically reversed at the end of each traverse, the brush comprises two rows of bristles 2, 3, Fig. 4 on a stock 1 which is mounted on a carriage 5 guided on a rail 11, Fig. 2. Preferably the brush has two carriages each riding on a rail 11 for stability. Each carriage has two rollers 6, 7, which cooperate with the outer and inner edge surfaces of the rails. Openings 18, 19 and end ramps 17 are provided on the guide rails whereby the rollers 6, 7 are switched from the upper to the lower surfaces of the guide rail, and vice versa respectively, so that the stock is tilted to bring the bristles 2, 3 into engagement with the sieve alternately. In a modification, Fig. 8, the brush body is in two parts 1 connected by a member 24 which bridges and rides on a central rail 11 and is guided thereon by guides 25. Rollers 6, 7 engage with opposite edges of the rail and, in conjunction with openings 18, 19 and ramps 17 tilt the brush body at the end of each traversing movement. Sliding surfaces 23 may be provided to impart stability to the movement of the brush. A central discharge opening 29 may be provided in the collecting tray over which the guide rail is supported by a bracket, and bristles on the underside of the brush sweep the contents of the tray through this opening.
Patent GB-920360-A (GB)
Title: Head-protecting shells made from deformed sheets of synthetic material
IPC: A42B1/04
Filed: 1960-02-12
Abstract: 920,360. Headgear. J. P. CROUZET. Feb. 12, 1960 [Oct. 8, 1959], No. 5187/60. Class 63 Head gear for protection against cold and inclement weather of the type described in Specification 798,277 and as shown in Fig. 1 is made from a sheet of transparent synthetic material of the shape shown in Fig. 2 and before bending and joining together the various parts by rivets, reinforcing strips 30, 31, 32 are glued to portions of the sheet subject to stress and wear. In particular strips 31 are provided adjacent holes 21, 22, 26, 27 for receiving rivets and along the parts forming re-entrant angles and widened portions of the strips are provided at the apex of these angles.
Patent GB-1042263-A (GB)
Title: Treatment of the surfaces of aluminium containers
IPC: C23C22/68
Filed: 1964-02-07
Abstract: A bohmite layer is formed on an aluminium surface of e.g. a container by treating with an aqueous solution (pH 7.5 to 9.7) of an organic amine or amide e.g. triethanolamine at a temperature not exceeding 120 DEG C.  The container may be subsequently sterilized at a temperature above 120 DEG C. in water which may also contain triethanolamine.
Patent GB-802481-A (GB)
Title: Improvements relating to magnetic sound heads
IPC: G11B5/17
Filed: 1954-02-23
Abstract: 802,481. Magnetic recording, reproducing and erasing heads. MARRIOTT, P. A. March 20, 1955 [Feb. 23, 1954], No. 5315/54. Class 40 (2). A sound head for recording, reproducing or erasing in a magnetic recording and reproducing apparatus comprises two lengths 1, 2 of magnetic material mounted side by side and one or both of which is either bent or hollowed out for a small proportion of its length at only one end so as to form at that end, between the lengths, a central space through which a winding or windings 4, 5 pass. The main body of the material serves as a handle or extension to facilitate handling during winding and assembly, and it may be used for fixing the head in position and supporting electrical leads, or it may be cut off after final assembly. Fig. 3 shows the head embedded in an electrical insulating material 7 enclosed in a sleeve 8. In another embodiment, not shown, the lengths are laminated.
Patent GB-208668-A (GB)
Title: Improvements in air tubes for pneumatic tyres
IPC: B60C5/04
Filed: 1923-02-23
Abstract: 208,668. Viven, J. Feb. 23, 1923. Air tubes and chambers. - The outer profile of an air tube with thick walls is substantially similar, when deflated, to the inner profile of the outer cover, and the tube on its outer surfaces is formed corresponding to the tread with a series of longitudinal grooves 3 in planes parallel to the middle longitudinal plane of the tube, and on its inner surface with longitudinal ribs 4 oppositesaid grooves.