baber/WOPTO huggingface dataset:
Patent GB-525128-A (GB)
Title: Improvements in and relating to radio receiving and like apparatus
IPC: H03J5/12
Filed: 1939-02-14
Abstract: 525,128. Push-button tuning mechanism. FELGATE RADIO, Ltd., and WILLIAMS, A. S. Feb. 14, 1939, No. 4836. [Class 37] Elimination of play between the operating rods 18 of a push-button mechanism and the slots 15c, in which they slide, is obtained by causing the bars at the end of their travel to engage with a cross member 27 supporting by springs arms 26 a transverse bar 24, the movement imparted to the member 27 causing the bar 24 to rise and press the operating rods against the sides of the slots. The push-button mechanism is of the type in which reciprocation of a rocking plate 17 by an adjustable cam member 19 on each operating rod drives the condenser shaft 12 through a toothed quadrant 21 and pinion 22. Adjustment of the cam member 19 to the required position to give correct tuning alignment is obtained by axial adjustment of a screw threaded shaft 28 carrying a push-button 14. The pinion 22 is formed of two narrow pinions coupled together by a spring.
Patent GB-265783-A (GB)
Title: Improvements in or relating to cultivators
IPC: A01B33/02
Filed: 1926-02-19
Abstract: 265,783. Foot, E. H. W. Feb. 19, 1926. Rotary-tool implements; cleaning parts; guards. - Cultivators comprising tines mounted on a transverse rotary shaft driven by a motor are provided with tine-clearing apparatus consisting of blades or scrapers mounted on a parallel shaft rotating in the opposite direction to the tine-carrying shaft with the clearing-blades passing between the tines. The tine-carrying shaft a and the clearing shaft b are both made in independently driven halves. The shaft a is driven directly from the cross-shaft c by bevel or chain gearing in casings d. The shaft b is driven from the shaft c through gear wheels e, an intermediate shaft f, and chains h. The clearing-blades k are mounted in pairs staggered relatively to one another, each member of a pair being diametrically opposite to the other. The blades k may be curved or radial, and flat blades may have bent portions forming tongues or projections. A guard m is supported by the parts l that carry the shaft b.
Patent GB-591767-A (GB)
Title: Improvements in prevention of foaming of hydrocarbon oils
IPC: C10M171/00
Filed: 1944-03-15
Abstract: Foaming of hydrocarbon oils, particularly mineral oils and lubricants containing them, is inhibited by forming in the oils a fine dispersion of a small amount of a substantially oil-insoluble liquid "organo-silicon oxide" condensation compound which has a very low interfacial tension toward oils.  Suitable compounds may be prepared from organic substituted silane diols, e.g., dimethyl silane diol, whose general formula is probably: <FORM:0591767/III/1> or from organic substituted orthosilicates, e.g., tetramethyl orthosilicate, whose general formula is probably: <FORM:0591767/III/2> where R is an alkyl, aryl, aralkyl, alkaryl or hetero-cyclic radicle, and n may be zero or higher.  The former compounds may be prepared according to Specifications 542,655, 549,081, 561,136 and 561,226, [all in Group IV], and the latter according to U.S.A. Specification 2,317,891. Preferred compounds are where R is a methyl, ethyl or short chain alkyl group as these are more oil-insoluble.  The effectiveness of these compounds for inhibiting foaming increases with Mol. Wt. and B. Pt.  In use, 5-100 parts per million of such a compound is finely dispersed in the oil by a colloid mill, gear pump or other means so that the size of the dispersed oil-insoluble particles is not greater than 2m : or a similar concentrate containing 100-2000 parts per million may be made for later addition to the bulk of the oil, this latter concentrate being also suitable for direct addition to an oil which is already foaming.  Alternatively the compound may be added directly to the oil if a gear pump is present in the oil circuit. Such dispersions are stable during storage and have a long life in service, and have no deleterious effects on the normal properties of the oil, and are stated to resist emulsification of the oil with water.  An example is given of a dispersion of 10 parts per million of a condensation product of dimethylsilane diol of Mol. Wt. approx. 2,000 in a highly refined SAE Grade 50 paraffinic oil, which completely inhibited foaming under the conditions of a test described in the Specification.  These compounds are stated to have an interfacial tension toward oils that is too low to be conveniently measured on a standard DuNoüy tensiometer.  The Specification as open to inspection under Sect. 91 states that similar compounds in which the silicon is replaced by titanium, germanium, zirconium, tin, lead or boron may be used.  This subject-matter does not appear in the Specification as accepted.
Patent GB-248549-A (GB)
Title: Improvements in thermostats
IPC: G05D23/12
Filed: 1925-02-21
Abstract: 248,549. Lorenz, F. W., and Baumeister, F. X. Feb. 21, 1925. Thermostats.-In a thermostat employing an elastic chamber having deep corrugaticus, the chamber is normally compressed by a spring and guided on a central hollow perforated member. The casing a has all internal flange d supporting the elastic chamber b, the corrugations of which are nurmally in contact. The upper end of the chamber is closed by a cover e carrying a spindle f on which a valve n is rotatably mounted. The central guiding member c is hollow and perforated, so that the chamber contains a larger quantity of the expansible fluid.
Patent GB-609749-A (GB)
Title: Improvements in or relating to the manufacture of interpolymers of polymerisable liquid esters with drying oils
IPC: C08F242/00
Filed: 1946-02-15
Abstract: Interpolymers suitable for use in coating compositions, insulating material, adhesives, printing inks, moulding compositions and laminated materials are obtained by heating a polymerisable liquid ester with a partially polymerised polyhydric alcoholic mixed ester containing conjugated unsaturated drying oil fatty acid radicles in the proportion of 20-75 per cent of the total fatty acid radicles in the mixed ester.  Suitable polymerisable esters are monomeric esters of a saturated monohydric alcohol and a monobasic unsaturated organic acid containing a single ethenoid group, e.g. lower alkyl esters of acrylic or a -alkyl acrylic acids.  The process may be carried out in solution, preferably in an ether or hydrocarbon solvent, e.g. ethylene glycol monoethyl ether, xylene, or in presence of a terpene, e.g. a mono- or di-cyclic a -terpene, a -pinene, dipentene and turpentine are specified, if desired with another solvent. Catalysts, e.g. benzoyl peroxide, may be used or air may be blown through the reaction mixture.  In a modification, styrene may be added to produce a composite interpolymer, being added at the commencement or continuously, or intermittently during the course of the reaction.  The mixed ester is a partially polymerised ester or mixture of esters, of one or more polyhydric alcohols and a mixture of fatty acids of which a substantial proportion are unsaturated diene and/or triene drying oil fatty acids, some of which possess conjugated unsaturation.  Included are the products of heat treatment of two or more fatty acid esters of polyhydric alcohols at least one of which contains unsaturated drying oil fatty acid radicles, e.g. an oil containing conjugated triene fatty acid radicles, i.e. tung or oiticica oils, may be heated with different oil containing unsaturated fatty acid radicles.  Alkyd resins formed by condensation of one or more polyhydric alcohols with one or more polybasic organic acids, e.g. maleic or phthalic acids, and a mixture of fatty acids comprising the drying oil acids may also be used.  The preferred esters are formed from glycerol, pentaerythritol, mannitol or sorbitol and drying oil fatty acids, e.g. containing licanic or elaeostearic acids or synthetic partially conjugated acids obtained by isomerisation or blowing of linseed oil or its fatty acids.  Part of the drying oil fatty acids may be replaced by the fatty acids of semi- or non-drying oils, the acids of rosin or copal. Specifications 573,809, 573,835, 580,912, 580,913 and 609,750 are referred to.
Patent GB-722278-A (GB)
Title: Improvements in or relating to tools for crimping cable sockets of terminal lugs or the like operations
Inventor: ROWLANDS STANLEY MYTTON
IPC: H01R43/042
Filed: 1952-02-25
Abstract: 722,278. Jointing by stamping. ROLLS-ROYCE, Ltd. March 5, 1953 [Feb. 25, 1952], No. 4936/52. Class 83 (4). A tool for crimping cable sockets of terminal lugs comprises means shaped to conform to the shape of the socket and operable to close around the socket to hold the socket during crimping, crimping means operable to deform the socket whilst the socket is held in the socketholding means, and operating means arranged to operate the crimping means only when the socket-holding means is in the socket-holding position. The tool comprises a pair of base blocks 10, side blocks 11 and side plates 12 and a head block 13. The base block carries a lower jaw 14 between guide members 15. A sliding upper jaw 17 is carried by a screw-threaded spindle 19 rotatable by a handle 21. Threaded on the spindle is a block nut 25 having laterally projecting pins 26 which engage in slots 27 in the side plates 12 for longitudinally guiding the block nut. Means for looking the block nut at the lower limit of its travel whilst the upper jaw is away from the lower jaw and to free the brock nut and to lock the upper jaw when in contact with the lower jaw comprises a pair of pawls 28 pivoted in the side blocks 11, each pawl having noses 28a which engage over chamfered edges 25a on the block nut and tails 28b which engage either the sides of the upper jaw or the chamfered edges 17b on the upper surface of the jaw according to the position of the jaw. A pair of diametricallyopposed crimping punches 30 are arranged to project through aligned holes 31 in the guide members 15 on the base block and in the jaws 14, 17. Each punch is carried at one end of a corresponding lever 32 pivoted on a pin 33 extending between the side blocks 11 and the opposite ends of the levers are connected by links 34 to the block nut. In operation with the jaws open and the block nut locked in position by the pawls 28, as shown in Fig. 3, a cable lug with the prepared end of the cable inserted in the socket is placed in the lower jaw of the tool. The operating handle is rotated to lower the upper jaw towards the lower jaw and the block nut is not released until the socket is firmly clamped in the jaws whereupon the tails of the pawls 28 clear the sides of the upper jaw and so are free to swing inwardly. Continued operation of the handle 21 causes the block nut to tend to move upwardly and the pressure of the chamfered edges 25a on the noses 28a of the pawls causes the noses to swing outwardly and release the block nut and at the same time the tails 28b of the pawls swing inwardly to engage the chamfers 17b on the upper jaw and lock it in position. On further rotation of the handle the block nut moves up along the spindle and the links 34 operate the levers 32 to effect the crimping of the socket on the cable.
Patent GB-325389-A (GB)
Title: Apparatus for the production of chocolate bodies or the like
IPC: A23G1/20
Filed: 1929-02-14
Abstract: 325,389. Reiche, K. A. M. Feb. 14, 1929. C a m actuated pumps; stroke, varying; two barrels in series; valves, arrangement of.-Apparatus for feeding chocolate into moulds comprises a piston chamber 49, having a perforated bottom 5, which chamber i: supplied with material from a hopper 1 by an auxiliary pump, the perforations being closed by a perforated slide during filling of the chamber and opened for delivery of the material by the piston 3. The auxiliary pump comprises a piston 44 working in a cylinder 30 formed as a rotary valve which is housed in the hollow piston rod 18 of the piston 3. The cylinder 30 is formed with admission ports 32 adapted to register with openings 28 in the member 18 and with base apertures adapted to register with discharge openings 29 in the piston 3. A shaft 13 extending across the hopper operates the slide 6 through cams 10, 15, links 9, 8, and finger 7; the piston 3 through cams 25, 26 and rods 20; the piston 44 through an adjustable crank 46; and the member 30 through opposed cams 34 which oscillate the chamber through pairs of links 38, 42. Steam coils 1<1>, 3<1> surrounding the hopper 1 and within the piston 3 maintain the material liquid. In the position shown, material is drawn into the chamber 48 by the piston 44, the apertures 29 being closed by the base 31 of the member 30 and the apertures in the plate 5 closed by the plate 6. The member 30 is then turned to close the apertures 28 and open the apertures 29 and simultaneously the piston 44 descends and the piston 3 ascends to force the material into the chamber 49. In the next stage, the apertures 29 are closed and the slide 6 is moved to uncover the apertures in the plate 5, the material being forced therethrough by descent of the piston 3.
Patent GB-506298-A (GB)
Title: Improvements in or relating to motor vehicles with the motor mounted in the driving wheel
IPC: B62M7/12
Filed: 1938-02-17
Abstract: 506,298. Motor wheels. FICHTEL & SACHS AKT.-GES. Feb. 17, 1938, Nos. 4991 and 4992. Convention dates, Feb. 17, 1937 and Feb. 19, 1937. [Class 79 (iii)] A motor wheel comprises a cup-shaped casing 3 secured to the wheel hub and forming the centre of the wheel, such casing accommodating the change-speed gear and clutch, the engine cylinder 8 and crank case being partially accommodated in the lower portion of the casing with the greater portion of the cylinder projecting laterally outside, the carburetter in the upper portion of the casing, whilst the exhaust pipe 9 and the flywheel 7 with the generator lie outside the casing. The projecting portion of the cylinder has cooling ribs parallel to the direction of travel, and inclined downwardly to avoid accumulation of dirt. The upper portion of the casing is closed by a stationary cover 4 having an aperture 6 through which an auxiliary fuel-injection pump on the carburetter is accessible. The engine cylinder 8 and crank case are integral with an inner casing enclosing the change-speed gear and clutch. This casing is freely mounted on the hub but is resiliently restrained against rotation.
Patent GB-1358694-A (GB)
Title: Apparatus for use in the handling of particulate material
IPC: B29C31/02
Filed: 1971-02-19
Abstract: 1358694 Injection or extrusion feed hopper BRITISH UNITED SHOE MACHINERY CO Ltd 22 July 1971 [23 July 1970 16 Sept 1970 19 Feb 1971] 35642/70 44107/70 and 4995/71 Heading B5A [Also in Divisions B1 and B8] Apparatus for feeding particulate material to a plastics injection or extrusion moulding machine comprises a hopper 2 with an inlet 56 for particulate material coupled to a store for such material, an outlet 8 provided with a control valve 50 movable between positions to open and close the outlet and an air entrainment device (20), Fig. 2 (not shown), comprising a Venturi funnel (22) and a nozzle (28) to withdraw air from within the hopper when the valve is closed and thereby draw particulate material from the store into the hopper. If the valve should fail to close, due to material from the previous cycle still being present at the outlet, then the air entrainment device will be unable to lower the pressure in the hopper to such a pressure to effect the drawing of the material into the hopper. The valve 50 is biased into the closed position by a spring 46 and is moved into the open position by a piston and cylinder device 40, the supply of air to which is controlled by a manual switch (not shown) in conjunction with a variable timer to control the period during which the valve is open. Air to the nozzle (28) is also controlled by the switch. In a further embodiment, Fig. 2 (not shown), the valve (140) is urged into its open position by a spring (136) and is moved into its closed position by a piston and cylinder device (130), the supply of air to which is controlled by a switch through a timer (T) and a valve (V3). Mounted on the cylinder (132) for movement therewith is a valve (V1) which when the valve (140) reaches its closed position abuts against an adjustable stop (162) and is opened thereby to supply air to the air entrainment device (150). The control switch may be associated with the injection moulding machine and is operated at certain points in the cycle of operation of the machine. In a further embodiment, Fig. 9 (not shown), the control system includes a valve (V3a) which is spring biased to a position to supply air to the cylinder (232) and via a valve (Via) mounted on the cylinder (232) to a further valve (V2a) which controls the supply of air (M<SP>1</SP>a) to the air entrainment device (250). Air is also supplied through a restrictor (r) and a reservoir (R) to act on the valve (V3a) against the spring and after a time delay, governed by the restrictor, the system is vented to open the valve (240) and stop the air supply to the air entrainment device. A further delay then occurs whilst the air in the reservoir vents to atmosphere through the restrictor (r) before the spring urges the valve back to its original position to recommence the cycle. In a further embodiment, Fig. 10 (not shown), two restrictors (r2b) and (r1b) are used to give independent control over the periods during which the valve (240) is open and closed.
Patent GB-313639-A (GB)
Title: Improvements in and relating to drums, barrels or like containers suitable for oil or other liquids
IPC: B65D25/38
Filed: 1928-02-17
Abstract: 313,639. Higgins, H. R. Feb. 17, 1928. Tapping; metal casks; attachments for casks. -Drums, barrels, &c. for oil &c. are filled through a lateral bunghole 4 and the contents are withdrawn by means of a pump attached to a tube 14 slidable in a tube 9 and ejected on removal of a covering plate 8 by a spring 16 bearing upon the two tubes as shown. A valve 11 serves as a non-return valve for the pump and also prevents refilling through the delivery tube. The pump may be in part constituted by the tube 14 as shown in Fig. 9. In an alternative form the oil &c. is ejected by compressed air through a mouth-piece screwed on the outlet pipe. A float-operated gauge 28 is also incorporated with the drum 17.
Patent GB-311472-A (GB)
Title: Improvements in air screws, propellers or the like
IPC: B64C11/34
Filed: 1928-02-18
Abstract: 311,472. Cook, F. Feb. 18, 1928. Screw propellers.-The pitch of screw propeller blades is varied automatically by the thrust under the control of a spring, for which purpose the boss of the blade moves longitudinally along the shaft to an extent limited by adjustable stops, the blades and the sleeve on the shaft being coupled by levers. A buffer cylinder acting as a dash-pot may be provided also. The axis of the blades is arranged so that the centre of fluid pressure thereon is close to that axis. Blades 5 secured to sleeves 2 are pivotally mounted in sockets on the boss 1 and at the root is secured an arm 6 which is connected by pins 10 to a sleeve 7 adapted to be secured to the shaft 3. The boss 1 has a collar 12 which abuts against the springs 11, the other end of which is held by a flange 13 on the shaft, this flange being adjustable for setting the spring and thus controlling the extent of pitch change. The boss is in driving engagement with the shaft and slides on keys or feathers 4. A fairing or spinner ring encloses the boss and other parts. Stops for limiting the motion of the boss are provided. On an extension of the boss and enclosing the shaft, is fitted a buffer cylinder whilst a piston is secured to the shaft itself and has smaller relief openings to provide a damping action. A collar fitted to the shaft may be moved thereon to limit the motion of the boss, such collar being under lever control from the cockpit of an aeroplane.
Patent GB-939620-A (GB)
Title: Pantie girdle
IPC: A41B9/04
Filed: 1960-02-12
Abstract: 939,620. Pantie-girdles. FORTUNA FOUNDATIONS Inc. Feb. 12, 1960 [Aug. 6, 1959], No. 5153/60. Class 141. A pantie-girdle comprises front panels 11, 12 and a rear panel of two-way stretch fabric which extend downwardly at 18, 19 to cover the front, back and outer sides of the wearer's thighs, and inner thigh panels 41, 42; 45, 46, the lower panels 41, 42 being stretchably vertically while the upper panels 45, 46 are stretchable horizontally and have freely overlapping edges defining an opening in the crutch portion.
Patent GB-471059-A (GB)
Title: Improvements in apparatus for emptying containers of granular and pulverulent materials
IPC: B65G53/12
Filed: 1936-02-21
Abstract: 471,059. Delivering material from hoppers. COGGON FOUNDRY EQUIPMENT, Ltd., and COGGON, H. F. Feb. 21, 1936, No. 5255. [Class 78 (i)] Apparatus for delivering granular or pulverulent material from containers, of the kind in which a perforated piston either closely fitting the container or having a marginal space round its periphery is operated by fluid-pressure to express the material from the container, is fitted with a piston having the surface of either or both sides other than plain. Thus the under surface of the piston may be triangular, hemispherical or curved in various ways, and in some cases the top surface also may be other than flat. The piston may contact with the walls of the container at selected points only or may have a saw-toothed periphery, while the perforations y may be non-perpendicular to the upper surface. In the form shown in the Figure, the piston d is connected to an upper piston (not shown) in a separate operating cylinder, while the fluid for direct access to the material is admitted through the pipe c. Specification 455,868 is referred to.
Patent GB-691111-A (GB)
Title: Improvements in or relating to the controllable delivery or discharge of powdered, granular or pulverulent substances
IPC: B65B37/02
Filed: 1950-03-03
Abstract: 691,111. Hopper closure. HOYLE, S. K. March 5, 1951. [March 3, 1950] No. 5400/50. Class 78 (i). Hopper 1 is closed by a conical closure 11 contacting with sacking cylinder 18 for cooperation with a sack, said closure being carried adjustably by rod 10 operated by handle 13 through rod 8 pivoted at 9, the connection between rod 10 and rod 8, and rod 8 and handle 13 being nut-adjustable yokes 16 and 17 respectively. Collar 14 fixed on handle 13, by contacting with stops 15, 15a, holds the closure in the open and closed positions respectively. Rubber bushing 19 and 20 prevent escape of dust from the hopper. Rod 10 may carry stirring projections and be guided by guide 3a. Operation is by hand. The closure 11 is counterweighted by adjustment of pivot 9 or by addition of suitable weights.
Patent GB-991341-A (GB)
Title: Window sealing structure for a laboratory glove box
Inventor: SAUNDERS GEORGE THOMAS
IPC: B25J21/02
Filed: 1963-02-11
Abstract: 991,341. Glazing. KEWAUNEE MANUFACTURING CO. Feb. 11, 1963, No. 5418/63. Heading E1R. [Also in Divisions B4 and F2] The window opening of a laboratory glove box 11 (see Division B4) is sealed by means of an annular rubber gasket 35 (see Division F2). The sash is formed by two L-sections 21, 22 with their cross-bars 23, 24 overlapping, to clamp between them the pane 16 holding screws 31 extending through member 22 into threaded bores in member 25 welded to member 21. The member 25 has a U-portion comprising legs 26 some of the legs terminating at the outer edge in a flange 28.
Patent GB-764379-A (GB)
Title: Improvements in or relating to devices for facilitating the starting of electrically driven compressors
Inventor: STEFANO SZANISZLO
IPC: F04B49/24
Filed: 1955-02-23
Abstract: 764,379. Reciprocating compressors. SIEMENS SOC. PER AZIONI. Feb. 23, 1955, No. 5465/55. Class 8(1) The output of a compressor is bypassed to atmosphere on to the suction side by a device comprising a series of chambers 2 in communication with each other through apertures 4 which are narrow in comparison with the width of the. chamber. During normal operation a small by-pass occurs but large by-pass on starting up facilitates the starting of an electric driving motor.