baber/WOPTO huggingface dataset:
Patent GB-1287703-A (GB)
Title: Contact unit having contact protective means
IPC: H01R13/26
Filed: 1970-02-24
Abstract: 1287703 Two part couplings BUNKERRAMO CORP 24 Feb 1970 [7 May 1969] 8694/70 Heading H2E A contact unit, 11 (Fig. 1), to be supported within an insulated body 14 comprises a resilient spring contact 16 (Fig. 2) with a shaped free end 26, 27, 28, 33 and walls 22 and 23, (24, Fig. 7) which protect the contact 16 from being overstressed by limiting vertical and lateral movement respectively. The tab 32 holds the contact in a stressed position and a reinforcing rib 34 may be included. The contact unit 11 (Fig. 1) is releasably retained in the body by the detent 43 and the projection 41 formed in the contact locating either side of a stop 42 formed in the insulated body, tool 45 being used to depress the detent to release the contact. A terminal 12 is formed at the end of contact body. A connecting lead may be crimped to 12, wings 37, 38 holding the conductor and 39, 40 holding the insulated covering of the wire. Electrical contact between the spring contact and a plug pin 20 is obtained when the latter is inserted into the insulated body in passage 15. The contact may be formed out of one sheet metal pressing and the walls 22, 23, 24, preferably extend beyond the contact element 16.
Patent GB-216978-A (GB)
Title: Manufacture of a purified form of insulin
IPC: C07K14/625
Filed: 1923-03-27
Abstract: Crude insulin, prepared for example as described in Specification 203,778, [Class 81 (i), Disinfecting &c.], by alcoholic extraction from pancreas, is purified by precipitation from solution by means of picric acid.  In an example the picrate is precipitated from a filtered aqueous solution, the acidity of which has been adjusted to a pH value of 5, is then dissolved in sodium carbonate and re-precipitated by hydrochloric acid, is washed and finally converted by alcoholic hydrochloric acid into the hydrochloride, which is precipitated by addition of acetone, filtered, washed, and dried.
Patent GB-667269-A (GB)
Title: Pump device for automatically maintaining pressure in the pneumatic tyres of vehicles
IPC: B60C23/12
Filed: 1948-03-25
Abstract: 667,269. Compressors. GRAHAME, G. H. July 12, 1949 [March 25, 1948], No. 8777/48. Class 8 (i) An air compressor of the type attachable to a vehicle road wheel to rotate therewith, to maintain tyre pressure and including a heavy driver connected to the compressor and rotatable relatively thereto about the wheel axis, comprises a rotatable member and a weight carried by it, there being provision between them for a secondary to-and-fro movement of the weight relative to said member and in which the operative connection between the driver and the compressor incorporates a speed reduction gear. A cylinder 11 secured in a casing 7a attached to the wheel hub, has a piston 12 therein connected to a crosshead 14 reciprocated by a crank pin 23 on a gear wheel 22 which meshes with a pinion 21 mounted on a shaft 19 pivoted in the casing 7a coaxial with the wheel shaft. Secured to the. shaft 19 is a cage 17, 18 containing a heavy disc 16 having limited movement in the cage 17, 18, opposed by leaf springs 20, this movement tending to prevent the cage 17, 18 rotating with the wheel. The cylinder 11 has an outlet valve 26, a connection 28 to the tyre and a relief valve 30. The compressor draws air from the casing 7a, which contains lubricant, though an inlet forming a trap to prevent escape of lubricant.
Patent GB-1399305-A (GB)
Title: Electrical switching circuits
IPC: G01R17/12
Filed: 1973-02-22
Abstract: 1399305 Measuring resistance E F KOTTS and R T LOVRENICH [trading as RENKO ASSOCIATES] 22 Feb 1973 8802/73 Heading G1U A high gain differential amplifier 13 is driven into oscillation through positive feedback by a change in the resistance value of one element of a Wheatstone bridge R1-R4. The resistance changing element may be sensitive to changes in heat, light, pressure, viscosity, magnetic field, proximity of conducting element or sound. By suitable placing of the element at the four resistance positions R1-R4, the output can be chosen to oscillate at either balance or imbalance for elements which increase or decrease with change in environment. In one embodiment, Fig. 3 (not shown), the element is photo-sensitive and a light source energized by the oscillator output is  focused thereon. The element is placed such that when illuminated the bridge is balanced and the oscillation ceases. The light source thus blinks on and off and the arrangement may be used for an "electric eye". A frequency sensitive device, e.g. tank circuit 20 or a crystal is used to select the oscillation frequency. The A.C. output may be rectified and smoothed to drive a D.C. load, Fig. 2 (not shown).
Patent GB-399197-A (GB)
Title: Improvements in the manufacture of face-pieces and other components for gas-masks, respirators and the like
IPC: A62B18/08
Filed: 1932-03-24
Abstract: 399,197. Moulding face-masks &c. SADD, J. A., Chemical Defence Experimental Station, Porton, Wiltshire. March 24, 1932, No. 8867. [Class 87 (ii).] Face-pieces for gas masks or respirators are made by coating rubber or rubber composition on to a core of suitable shape and vulcanizing the material of the coating while exposed on the core. The face-piece may be shaped on the core by dies b, the coated core being removed from the die prior to vulcanization. The core a may be shaped to form two face-pieces back to back. The core may be of aluminium silicon alloy and the dies may be of cast-iron. The dies may be provided with heating and cooling means and may be dressed with soft soap to facilitate stripping. Stripping may also be assisted by forcing air or liquid under pressure through passages formed in the die and opening into the moulding surface.
Patent GB-722446-A (GB)
Title: Improvements in or relating to the folding of binding material around the edges of workpieces
Inventor: SIMMS ERNEST HARRY
IPC: A43D8/40
Filed: 1952-04-08
Abstract: 722,446. Folding edges of sheet material. BRITISH UNITED SHOE MACHINERY CO., Ltd. April 7, 1953 [April 8, 1952], No. 8907/52. Addition to 697,336. Class 42 (1). The machine of the parent Specification is modified in that the means for wiping in a direction inwardly of the work-piece away from the edge thereof portions of binding material previously turned over the edge of the work-piece by the folding means, operates during a movement of the hammer towards the work-piece, before the hammer presses firmly on the work-piece. As shown, the wiping member 42 is connected by a link 34 to the hammer 2 and is pivoted on the ball end of a link 20 which is yieldable against a spring 28 in a housing 18 pivoted in a bearing 14 on a bracket 12 fixed to hand-lever 8. In operation, as hammer 2 swings downwardly on to a previously turned-over portion of binding, member 42 is caused to swing forwardly about the ball joint to the position shown, thereby wiping a portion of the binding under spring pressure inwardly of the workpiece before the hammer presses the work against anvil 4. As the hammer and anvil move rearwardly to feed the work, the ball link 20 also swings rearwardly, producing a foreshortening of the linkage which lifts member 42 from the work, and movement of the hammer forward to its initial position imparts a forward and downward movement to member 42 to restore it to its original raised position. Specification 547,294 also is referred to.
Patent GB-1306533-A (GB)
Title: Wire-drawing or bar-drawing machine
IPC: B21C1/30
Filed: 1970-02-25
Abstract: 1306533 Drawing; making bar or wire; grinding; flying shears SOC METALLURGIQUE DE REVIGNY 25 Feb 1970 [4 March 1969] 8958/70 Headings B3A B3D B3P and B3W In a bar or wire drawing machine having two drawing carriages E1, E2 adapted to relay each other so as to effect a continuous drawing, each carriage is moved by a double acting fluid motor 1, 2 which acts at a higher speed in the return direction than in the drawing direction. Each carriage E1, E2 is driven by a hydraulic piston, and cylinder device 1, 2 supplied by a pump to draw the workpiece through a die C. For high drawing speeds, gears may be interposed between each carriage and piston and cylinder device. The drawn bar is cut to length by a grinding wheel K or a hydraulically actuated shear (not shown) mounted on a carriage G, which is moved forward with the bar when the end of the drawn bar passes a photo-cell. The photo-cell actuates bar gripping jaws H on the carriage G and a clutch 11 which connects in rotating sprocket wheel 8 to a sprocket wheel 12 which transmits motion to the carriage G through G chain 13. The sprocket wheel 8 is rotated by an endless chain 6 which is continuously moved forward by sprocket wheels 9, 10 on the drawing carriages E1, E2. A bar chamfering carriage L is connected to the carriage G by bars 15 for chamfering the leading end of the drawn bar. The cut bars are discharged by a device (19) (Fig. 3, not shown) to one of two roller straighteners positioned at each side of the machine. In another embodiment, three bars are drawn simultaneously.
Patent GB-351516-A (GB)
Title: Improvements in and relating to condensers
IPC: H01G5/06
Filed: 1930-03-20
Abstract: 351,516. Condensers. STAVE, C. H., 182, Church Street, Kensington, London. March 20, 1930, Nos. 9006 and 15132. [Class 38 (ii).] The plates of rotary variable condensers are so constructed as to offer a tortuous path to eddy currents to reduce losses from this cause. Fig. 1 shows a plate of metal with parallel slots a cut in it at right-angles or any other angle to the edge b, or cut in groups the angles in the groups being the same or differing. The slots may be angular or curved and may be discontinuous, or a single slot may be zig-zag as shown in Fig. 5 or in the form of a spiral. The curved edges may be intersected by a series of cut slots forming a comb-like construction, Fig. 7, or a similar formation may be made of "looped" wire secured in a strengthening rod of insulating material. In Fig. 9 such a form d is attached to a. metal backing f with radiating arms. In a further modification a metal or other frame extends round the edge and straight wires radiate from one point fanwise to the other edges. A filament or ribbon of metal may be applied or embedded in a plate of insulating material such as Bakelite, and the operating rods of the condenser may be made of the same material.
Patent GB-831883-A (GB)
Title: Improvements in and relating to hydrocarbons
Inventor: PRESTON ROBERT WILLIAM GUNN
IPC: C10L1/24
Filed: 1957-03-20
Abstract: A composition, of decreased foaming tendencies, comprises a liquid hydrocarbon and at least 0.1 gm./litre thereof of a compound RO(CH2)n.COOY, wherein R is p-alkylphenyl; Y is H, a metal whose compound of this formula is soluble in the hydrocarbon, or NH4; and n is a whole number.  The compound, preferably present in concentration of not more than 1 gm./litre, e.g. 0.5-1 g./litre, may be an acetic or a propionic acid derivative, specifically p-octyl- or p-nonyl-phenoxyacetic acid, as well as Na and NH4 salts of the latter, particularly in which the octyl group is drived from the branched-chain dimer of isobutene and the nonyl group is derived from propylene trimer. The following hydrocarbons are specified: (1) a light machinery oil, viscosity (centistokes) 125/75 DEG  F. and 15.5/140 DEG  F., density 0.92 g/c.c., containing sodium dodecylbenzenesulphonate or ammonium nonylphosphate; (2) an S.A.E. 20 oxidation-resistant internal-combustion engine oil containing sodium dodecylbenzenesulphonate.  Other examples of hydrocarbons are crankcase oils (particularly for "dry sump" operation), transmission fluids, hydraulic fluids and turbine oils.  According to the Provisional Specification, the composition comprises a liquid hydrocarbon and a minor amount of a compound RX(CH2)nCOOY, wherein R is alkyl, aryl, aralkyl or alkaryl, aryl, aralkyl or alkaryl, X is a Group IVb element and Y and n have the significance indicated above. Specification 812,938 is referred to.
Patent GB-1397942-A (GB)
Title: Method of and apparatus for strengthening a beam
IPC: E04G23/02
Filed: 1972-02-29
Abstract: 1397942 Strengthening existing beams ROXBURGH DINARDO and PARTNERS 28 Dec 1972 [29 Feb 1972] 9218/72 Headings E1S and E1W Part or all the dead load of a concrete beam 1 in a building is transferred to a U- section steel beam 4 secured alongside it. The beam 4 has L-section brackets 7 welded to its web and is initially fixed to the side of the beam 1 by temporary supporting studs 6 so that the projecting flanges of the brackets 7 with their associated spacers 19 engage under the lower edge of the beam 1. The load is then transferred to the steel beam 4 by tensioning the high tensile steel bars 13 by means of the nuts 14 or 17 between the lower flange of the steel beam 4 and a bearing plate 9 positioned on the overlying floor slab 3 adjacent to the supporting columns 2 at each end of the beam 4.
Patent GB-533145-A (GB)
Title: Hemorrhage arrestor and wound dressing
IPC: A61F13/00
Filed: 1939-04-24
Abstract: 533,145. Wound dressing. CORNISH, R. E., and SMITH, H. A. April 24, 1939, No. 9274. Drawings to Specification. [Class 81 (ii)] A material for application to wounds consists of a resilient mass of fibres impregnated with a viscous material insoluble in water in such quantity that when the pad is applied to a wound under pressure the interstices in the fibres are substantially filled by the material. The pad may be reinforced with fine metallic fibres. The viscous material may comprise petroleum jelly &c. or other viscous oils and greases and a styptic may be incorporated therewith.
Patent GB-1575978-A (GB)
Title: Solid choline salicylate compositions
IPC: C07C65/10
Filed: 1977-01-21
Abstract: Novel cholinesalicylate-carboxy-lower alkyl-cellulose-metal complexes are obtained by forming an aqueous solution of a carboxy-lower alkyl-cellulose and cholinesalicylate, adding a source of a physiologically tolerated, at least doubly charged, metal ion in a quantity such that a complex is formed of the components, allowing the reaction mixture to stand until it thickens, and subsequently drying it. The novel compounds are stable, pharmaceutically active, cholinesalicylate compounds.
Patent GB-148603-A (GB)
Title: Improvements relating to spray carburetters
IPC: F02M9/06
Filed: 1919-04-14
Abstract: 148,603. Stockley, H., and Edmondson, B. W. April 14, 1919. Spray carburettors.-The fuel nozzle is formed as a narrow slot in the wall between the mixing chamber and a recess or cavity supplied with fuel and extends along the mixing chamber in a direction at right-angles to that of the flow of air therethrough, the supply of fuel to the nozzle being controlled by a valve sliding in the recess or cavity and carrying a slot cleaner. The air inlet and mixture cutlet are preferably formed on opposite sides of the mixing chamber and are controlled by a sliding valve connected to and moving with the fuel valve and slot cleaner. Fig. 1 is a section of one form of carburettor according to the invention, Fig. 2 is a section on the line II - - II, Fig. 1, and Fig. 4 is a plan of the base of the mixing chamber. The mixing-chamber comprises a base C' and an inverted U-shaped cover E in the side walls of which are two oppositely-disposed rectangular ports e<3>, e<4>, Fig. 2, communicating respectively with an air inlet e<5> and a mixture outlet e<6> and controlled by a manually or governor-actuated valve D. The base C<1> is provided with a longitudinal recess c<3> communicating through a port a<10> with a tube a<3> supplied with liquid fuel from a float chamber A or under pressure, or with gaseous fuel. The recess c<3> is formed as a stepped groove, and a cover plate c<4>, Fig. 4, of varying widths is secured on the ledge so formed, the width of the intermediate portion of the plate c' being such as to leave a narrow fuel slot C communicating with the mixing chamber. A fuel valve f<1> slides in the recess c<3> and carries a slot cleaner F which projects through the fuel slot C, the valve f<1> being provided with a lug f<2> which detachably engages in a recess in the bottom of the valve D. The lower front edge of the valve D may be cut away at d<1> to give a rich mixture at starting, or a spring- pressed valve controlling an auxiliary fuel outlet in the end wall e<2> of the mixing chamber may be opened by the valve D as it nears its closed position. A supplementary air port e' communicating with an open bore e<8> is formed on the top of the mixing chamber and is controlled by a rotatable hollow plug G provided with a port g<1>. The tube a<3> fits in the central bore a<2> of the float a<1> and receives fuel through ports a<4> and a valve a<6>. The fuel is supplied to the float chamber through a filter comprising a casing B attached to the fuel supply pipe at b<6> and containing a cartridge b<2>, Fig. 1<A>, provided with openings b<4> covered with filtering medium b<5>, the annular space b<7> surrounding the cartridge communicating with a port b<8> leading to the valve a<6>. In a modified form, the mixing chamber and valve D are cylindrical and arranged vertically, the valve D being provided with a semi-circular recess which fits over a cylindrical fuel tube in the wall of which is formed the long narrow fuel slit; a cylindrical fuel valve carrying the slot cleaner slides in the fuel tube and is attached at its upper end to the valve D.
Patent GB-1280874-A (GB)
Title: Recirculating sanitary system
IPC: B01D35/26
Filed: 1969-06-12
Abstract: 1280874 Recirculating pump type sanitary closets MONOGRAM INDUSTRIES Inc 12 June 1969 [14 June 1968] 9409/72 Divided out of 1280872 Heading E1C The subject matter of the specification is the recirculating pump type sanitary closet discribed with reference to Fig. 8 in the Specification 1280872. The invention claimed relates to such a closet having a primary, impellor pump, a secondary, diaphragm pump and a filtering arrangement.
Patent GB-600762-A (GB)
Title: Brake-system for vehicles
IPC: B60T8/18
Filed: 1945-04-16
Abstract: 600,762. Brakes. SOC. ANON. A. CITROEN. April 16, 1945, No. 9493. Convention date, Feb. 26, 1944. Addition to 590,755. [A Specification was laid open to inspection under Sect. 91 of the Acts, April 16, 1945.] [Class 103 (i)] In a brake system wherein the intensity of braking on each wheel is varied according to the load on the wheel, the wheel suspension reacts on a plunger E to create a variable fluid pressure which is transmitted to the piston J, the vertical movements of which are transmitted, when the fulcrum roller M is suitably displaced, by a lever K to a piston valve L in the control means for the brake cylinder X. The roller M, as shown, is in the " brakes off " position, that is, in line with the piston J, and no movement of the piston valve L occurs. When the pedal S is depressed, the roller M is correspondingly displaced and the piston L is depressed with a force depending on the loading and on the extent of depression of the pedal S. This depresses the valve O to permit fluid pressure from the pipe P to pass to the pipe Q and to the brake cylinder. A piston and cylinder U, V exerts a back pressure on the pedal S to give " feel " to the operator. The valve O will reseat when the brake cylinder pressure acting on the valve balances the pressure on the piston J. When the pedal S is released, the roller M returns to inoperative position, and the piston valve L lifts to release the brake cylinder pressure through a central bore and the pipe R. The force exerted on the piston E is, as shown, transmitted through a lever B and torsion bar C, but in a modification, a vertical helical suspension spring is aligned with and seats upon a piston E. In another modification, the shackle pin of a leaf-spring suspension is connected to a piston E, whilst in a further modification, a lever, corresponding to the lever B, is pivotally connected to a vertically arranged piston working in a compressed-air cylinder communicating with the piston J. A number of regulator units, one for each wheel or axle, may be arranged side by side to be actuated by a common pedal S. The Specification as open to inspection under Sect. 91 states also that the connection between the vehicle suspension and the lever K may be by lever means with reducing means. This subject-matter does not appear in the Specification as accepted.
Patent GB-576802-A (GB)
Title: Improvements in electrical insulators having conducting parts
IPC: C25D5/54
Filed: 1944-05-18
Abstract: 576,802. Electrodepositlon on insulators. CALLENDER-SUCHY DEVELOPMENTS, Ltd., and SUCHY, C. T. May 18, 1944, No. 9568. (Class 41] A tubular, glass insulator, or other article of insulating material, has an end or a part of its surface metallized by electrodeposition by first silvering all its surface, for example, by the method of Specifications 572,071 and 575,148, removing the silvering adjacent the part to be metallized, so as to isolate it from the remainder, and then connecting only the former in circuit in the electrolytic bath. The unwanted silver is mechanically or chemically removed after the electrodeposition.
Patent GB-593440-A (GB)
Title: Screwthreaded insert for soft materials
IPC: F16B39/10
Filed: 1943-05-11
Abstract: 593,440. Assembling force fits; stud boxes. ROSAN, J. May 11, 1943, No. 9613/45. Convention date, Nov. 25, 1942. Divided out of and addition to 593,404. [Classes 83 (iii) and 83 (iv)] [Also in Groups XXV, XXVII and XXVIII] Stud boxes.-Screwed inserts, for example for mounting sparking plugs in aluminium alloy cylinder heads, are screwed into place by, a tool 60, Fig. 10, having a screwed shank 62, for engaging the tapped bore of the insert 26b and fitted with a nut 63 with a circular boss 64 of diameter such that it can pass into the counterbore 24b in which the insert is seated. The tool is rotated to screw in the insert and, after seating, the nut 63 is slackened back and the tool is removed. Assembling force fits.-An internally serrated locking ring 34b, Fig. 12, is slipped over corresponding serrations 29b on the insert and its serrated exterior is driven into the metal surrounding the counterbore 24b by a tool 66 having a pilot 67 engaging the bore of the insert and a shoulder 68 to engage the upper surface of the lock ring. A modified tool for use with solid inserts having projecting studs, is hollow to accommodate the stud.
Patent GB-1452021-A (GB)
Title: Photographic apparatus
IPC: G03D9/02
Filed: 1974-03-04
Abstract: 1452021 Camera adapter POLAROID CORP 4 March 1974 [5 March 1973] 9638/74 Heading G2X An adapter for enabling a camera 1 to use selfprocessing film units comprises (i) a film pack holder comprising hinged sections 23, 24 for housing a film pack 25 and processing rollers 38, 39 and (ii) an adapter plate 20 having one surface arranged to be attached to the particular camera 1 with which it is to co-operate and the other surface arranged to be attached to the film pack holder; the section 23 and plate 20 having aligned exposure apertures 28, 29 and being spaced by a gap 60 to accommodate a dark slide 61. The plate 20 has ribs (67), Fig. 2 (not shown) extending around three sides of its aperture 28 for engaging in grooves (68), Fig. 3 (not shown) extending around three sides of the aperture 29 in section 23. Felt strips 72, 73 extend along the remaining side of each aperture to engage opposite surfaces of the dark slide 61 to provide a light seal. The plate 20 has a sloping surface 63 for guiding the slide 61 into the gap 60.