baber/WOPTO huggingface dataset:
Patent GB-589587-A (GB)
Title: Improvements in or relating to end fittings for hoses
IPC: F16L33/213
Filed: 1945-03-26
Abstract: 589,587. Hose end fittings. BELL'S ASBESTOS & ENGINEERING, Ltd., and HEALD, J. E. March 26, 1945, No. 7598. [Class 99 (i)] An end fitting for a hose 21 has a tubular extension, with a flanged end 2, of substantially uniform outside diameter machined with the barbs 4 and an inside diameter which tapers inwardly towards its inner end, the extension being expanded within the hose against a non- expansible sleeve 22 by a tapered drift 10. The inner end of the tubular extension is grooved to receive the packing ring 7 and is flared to assist the entry of the drift and to prevent splitting. The inner bore of the tube 22 may be formed with helical ribs of corresponding shape to the outside of the hose 21 so as to make a snug and screw fit on to the hose. Expanding means other than that of a tapered drift may be used.
Patent GB-724526-A (GB)
Title: Electric regulating and/or indicating device
IPC: B07C5/28
Filed: 1952-03-25
Abstract: 724,526. Automatic control systems. EXACT WEIGHT SCALE CO. March 25, 1952 [March 29, 1951], No. 7626/52. Class 38 (4). [Also in Group XL (c)] An electronic voltage divider is connected across a D.C. supply and the output voltage is prevented from reaching an electronic amplifier unless a variable voltage controlling the ratio of the voltage divider is beyond a limiting value. As applied to a packagefilling machine, a voltage corresponding to the average variation from normal of the weight of a group of filled packages is applied at 11, 20, Fig. 1. A positive or negative voltage representative in magnitude of over- or underweight respectively increases or decreases the conductivity of a triode valve 17 relative to a triode valve 15 and, if one of two limits determined by the setting of potentiometers 23 or 25 is exceeded, a diode 27 or 29 conducts to produce a direct voltage across a resistance 36 or 37 of such polarity that the conductivity of one triode 70 or 69 is altered relative to the other and a voltmeter 76 indicates the degree of over- or under-weight. The voltage across the resistance 36 or 37 also increases or decreases the conductivity of a pentode valve 32 or 34 so that the conductivity of a triode 52 or 53 is decreased or increased to de-energize a relay 54 or energize a relay 55 which operates a contact 92 or 93 to illuminate an over- or underweight indicator lamp 89 or 90, and a contact 78 or 79 to introduce a fixed increment of voltage to voltmeter 76. The voltage across the voltmeter terminals is applied at 77a, Fig. 2, to operate, through an amplifier 100, a reversible servomotor 108 which runs until it reduces the input of amplifier 100 to zero by adjustment of potentiometer 102. The extent of rotation of motor 108 is thus dependent on the degree of over- or under-weight and by turning a shaft 112 it adjusts the quantity dispensed by the filler (not shown). Correct sense of adjustment is ensured by contact 92a or 93a associated with relay 54 or 55 of Fig. 1 which energizes the appropriate winding 121 or 112 of an electromagnetic clutch to couple shaft 112 to one of two oppositely rotating gears 114, 115. A timedelay relay 130 declutches shaft 112 after a time sufficient for correction and, through contact 132, disconnects the " voltmeter " input to amplifier 100 so that motor 108 returns potentiometer 102 to zero ready for the next correction. Specification 724,527 is referred to.
Patent GB-1133963-A (GB)
Title: Improvements in or relating to spray guns
Inventor: FISCHER WARREN
IPC: B05B5/035
Filed: 1966-01-14
Abstract: 1,133,963. Spray-producers. H. G. FISCHER & CO. 14 Jan., 1966, No. 7653/68. Divided out of 1,133,961. Heading B2F. The disclosure is identical with that of Specification 1133961 but the claims are directed towards the nozzle assembly, fig. 4 (not shown) which includes two successive discharge nozzles with a chamber therebetween.
Patent GB-739959-A (GB)
Title: Improvements in seats for transportation means
IPC: B61D33/00
Filed: 1954-03-17
Abstract: 739,959. Reversible vehicle seats. AKTIESELSKABET STROMMENS VAERKSTED. March 17, 1954 [March 20, 1953], No. 7728/54. Class 52 (2). In a reversible vehicle seat comprising a top frame 1 carrying the seats and a subframe 2 fixed to the floor so that an arm-rest 14 abuts the wall 15, upon rotation, the frame 1 first pivots on a pin 6 located near the front or back edge so that a second pin 7 rides along a straight or arcuate slot 4, the frame then pivots on pin 7 and the pin 6 rides along arcuate slot 5 and then the frame again pivots on pin 6 so that the pin 7 moves back to its initial position and the other arm-rest abuts wall 15. Initial and final pivoting on pin 6 is ensured by providing straight parts 21, 20 at the ends of slot 5. Pins 6, 7 are carried on cross-member 18 of frame 1 and slots 4, 5 are formed in crossmember 19 of subframe 2. A lock 8 is provided.
Patent GB-212126-A (GB)
Title: Improvements relating to metallic ties or sleepers for railways and the like
IPC: E01B9/24
Filed: 1923-03-20
Abstract: 212,126. Norton, W. E. March 20, 1923.. Sleepers, metal, and securing rails thereto.-In metal sleepers a, only the points or corners where the lugs b for the rail c die out are strengthened by welding and/or building up by material f added by a welding process.
Patent GB-287455-A (GB)
Title: Improvements in or relating to apparatus for rolling rings
IPC: B21H1/10
Filed: 1928-03-15
Abstract: 287,455. Budd Wheel Co., (Assignees of Wiles, C. L.). March 19, 1927, [Convention date]. Hoops and rings. - A stock wheel &c. rim r, Fig. 3 is rolled to its final shape R, Fig. 2, between rolls U, L which are gradually brought together to give the final shape, the gutter g being thus caused to curl round by leading-in cone surfaces 11, 12. The upper and lower rolls are the same as the finished rim section except the right-hand end of the upper roll which has a triangular ridge 13 as well as the cone surfaces. The rolls may be built up of various sections or separated by shims 15. Removable end portions 18, 21 on the lower roll allow the ring to be placed and removed.
Patent GB-730737-A (GB)
Title: Brake housing mounting for single disc brake
IPC: F16D55/32
Filed: 1953-03-24
Abstract: 730,737. Disc brakes. WINGFOOT CORPORATION. March 24, 1953 [Sept. 23, 1952], No. 8039/53. Class 103 (1). In a brake housing of the kind which fits over a part of the brake disc and carries two brake blocks, one of which is axially movable, for engaging opposite sides of the disc, together with actuating means for the movable block, the disc and housing being relatively movable in an axial direction so that, on actuation of the movable brake block the disc is pinched between the two blocks, there is provided on each side of the position to be occupied by the brake disc, a first member capable of sliding in an axial direction on a suitable positioned complementary fixed member, the latter not forming a part of the brake housing. In one embodiment shown in Figs. 2 and 3, a substantially C-shaped brake housing 1, having brake applying means, is disposed over a peripheral portion'of a brake disc 11, and is provided with pairs of spaced parallel ears 2, 2 and 3, 3 ; each pair of ears constituting a first member, which are bored and bushed to receive steel pins 14, 15, constituting complementary fixed members, fixedly carried by rigid brake support brackets 12, 13. Within the housing 1, one brake lining block 4 is fixedly secured to the floating brake housing 1 and a similar brake lining block 6 is secured to a carrier block 7 which is actuated by fluid pressure means acting on a control piston 9. Hence when braking is effected, the brake lining block 6 frictionally engages the fixed revolving brake disc 11 and the brake housing 1 floats on pins 14 and 15 to enable brake lining wear to be taken up. The other embodiment shown in Fig. 5 consists of a fixed brake housing 19, of similar construction to that previously described, secured to a stationary support flange 30 so that a floating revolving brake disc' 22 is received between the brake lining blocks 23 and 24. The floating brake disc 22 is axially movable on a revolving axle 25, but is forced to rotate with it by means of parallel pins 26, secured to a ring flange 28 rotating with the axle, that engage bores 27 in the brake clisc 22. Specifications 651,195 and 661,573 are referred to.
Patent GB-472261-A (GB)
Title: Travelling blocks
IPC: B66D3/06
Filed: 1936-03-18
Abstract: 472,261. Pulley-blocks. NICHOLS, H. T. March 18, 1936, No. 8140. [Classes 78 (ii) and 78 (v)] In a travelling block for use in well-drilling operations, the sheave supporting frame plates 15, 16, 17 have plates 24 riveted to their lower parts for the purpose of making the weight of that part of the block which is below the shaft 11, greater than the weight of the part disposed above it. Alternatively, the plates may be replaced by integral projections, such as the parts 8a, 9a on the outer plates 8, 9. The plate 18 on the faster side of the block is not loaded. One end of the operating rope 32 is anchored to the plate 8 by leading it through an apertme 36 therein and round an integral boss 29, the free end being then secured by clamps 35 to the rope. A cover plate 33 retains the eye on the boss.
Patent GB-292271-A (GB)
Title: Improvements in or connected with turnbuckles suitable for use with slip-preventing attachments for vehicle wheels and for other purposes
IPC: B60C27/10
Filed: 1927-03-24
Abstract: 292,271. Blessley, H. D. March 24, 1927. Wire strainers.-In a turnbuckle of the kind comprising a frame 6 having an eyebolt 7 screwed into one end and a second eyebolt 2 swivelled into the other end, means are provided to look the swivel bolt releasably to the frame to prevent rotation thereof and consequent slackening of the screwed bolt. A spring-pressed plate 4 slides on a square portion 2a of the swivel bolt and takes into a recess 3 in the end of the frame. The plate can be manually released therefrom against the spring 5. The frame alternatively comprises a tubular member. The turnbuckle may be used with slip-preventing attachment for vehicle wheels described in Specification 290,739, [Class 144 (ii), Wheel tyres, Pneumatic &c.].
Patent GB-1003828-A (GB)
Title: Improvements in or relating to safety circuits particularly for resistance-weldingmachines
IPC: H02H3/36
Filed: 1962-03-02
Abstract: 1,003,828. Transistor switching circuits. PHILIPS ELECTRONIC ASSOCIATED INDUSTRIES Ltd. March 2, 1962 [March 2, 1961], No. 8195/62. Heading H3T. [Also in Division H2] Protection of a switching circuit, e.g. for the control of air valves in a resistance welding machine, the circuit being responsive to a signal supplied by a timer, is effected by comparing the potential of the timer signal in a comparison circuit with the potential at a point located between the switching circuit and a load circuit, a failure signal from the comparison circuit, when the potentials are not in conformity with each other, controlling a separate switching element which interrupts the load circuit. In the arrangement shown, the air valve (indicated at K 1 ) is supplied from a transformer T 3  through a switching transistor Tr 1 , rectifiers Gr1, Gr3 and a transformer T 1  when the transistor is rendered conductive by a - 6 v. timer signal applied through a point D from a terminal Bu9, this signal causing transistors Tr 5 , Tr 3  and Tr 1  to conduct. Under these conditions half-wave current flows in the primary winding S 1  of the transformer T 1  and the potential at a point F becomes zero. When no timer signal is applied, the potential at D is zero, the transistor Tr 1  is non-conducting and the potential at F is - 6 volts. An " OR " gate Prt5 is arranged so that if one of these potentials is - 6 volts and the other is zero, a transistor Tr 7  is rendered conductive and causes a transistor Tr 9  to conduct. The operation of a switch Dr 1  energizes a relay Re 1  which closes contacts Re 1 /III to complete a holding circuit for itself, closes contacts Re 1 /I to complete the circuit for the supply to the air valve, and closes contacts Re 1 /IV to complete the welding current control circuit. Under normal conditions, the relay Re 1  remains closed, the welding operations being controlled by the transistor Tr 1  in response to the timer signals, but should a fault occur, e.g. due to, or causing, the transistor Tr 1  to remain conductive in the absence of a timer signal, the potentials at points D and F are both zero and the " OR " gate Prt5 renders the transistors Tr 7  and Tr 9  non-conductive so that the relay Re 1  opens its contacts. Fig. 2 (not shown) illustrates an arrangement for controlling two air valves, additional circuit elements being provided to prevent the simultaneous operation of both air valves.
Patent GB-828907-A (GB)
Title: Improvements in or relating to a method of manufacturing the dioxide of thiourea
Filed: 1956-03-16
Abstract: Thiourea dioxide is prepared by passing a gas containing ozone into a solution or suspension of thiourea in a liquid.  Ozonized air or oxygen may be bubbled through an aqueous solution or suspension at -2 DEG  to +20 DEG  C., preferably 0 DEG  to 5 DEG  C.  Thiourea should be in slight excess of the oxidizing agent which may be introduced at a rate corresponding to 1 kg. ozone/hr./10 l. Control may be effected by measuring the potential of an immersed electrode.  Filtrate, after separation of the dioxide, may be used in a later reaction.  In examples, the liquid is water at 1 DEG  to 3 DEG  C., and acetone at -5 DEG  to -10 DEG  C.
Patent GB-925802-A (GB)
Title: Improvements relating to paper-cutting and like machines
IPC: B26D1/20
Filed: 1961-03-08
Abstract: 925,802. Cutting webs. N. GREENHALGH. March 5, 1962 [March 8, 1961], No. 8385/61. Class 31 (1). A machine for cutting sheets from a web comprises a knife 9 which is mounted in a rotating drum 8 and severs the web by coaction with a fixed knife 29, the knife 9 being arranged to rotate a number of times for each sheet to be cut and to be held out of cutting position for all except a predetermined one of such revolutions. The drum 8 is supported for rotation between a pair of rocker-arms 7 which are arranged to pivot about a shaft 5 under the action of cams 27 ; adjustable springs 30 are provided to urge the rocker-arms downwardly in guides 35. The cam-shaft 14 is driven from a motor 22 and serves to rotate both the drum through gearing 26, 25, 10, 11 and web-feeding rollers 20, 21 through gears 15, 16 which are interchangeable to permit variations in the length of sheet to be cut. Instead of cams, eccentrics mounted in ball or roller bearings may be used. According to the ratio of the gear-wheels 25, 26 the drum 8 rotates a selected number of times between successive cuts and the cams 27 hold the drum out of the path of the web except for one of these revolutions when a cut is effected.
Patent GB-472285-A (GB)
Title: Improvements in electrically operated clocks
IPC: G04C1/02
Filed: 1936-03-20
Abstract: 472,285. Electric clocks. SCHILD, M. March 20, 1936, No. 8448. Convention date, June 17, 1935. [Class 139] Winding-apparatus, electric.-A clock has a weighted driving arm 7, 8 which drives the hands through a one-way clutch 9, 6 and is re-energized by an electromagnet 13 the armature 12 of which raises the driving arm about its pivot (the spindle of ratchet wheel 6), the magnet circuit being closed when the arm 7 reaches the bottom of its stroke. The contact is made by the armature 12 with an extension 11 on the arm 7. 3 Is the pendulum. The battery 15 for the electromagnet 13 is carried by a spring metal clip 16 riveted to the movement plate 1. The poles 17, 18 of the battery make contact with clip 16 and pillar 20 respectively. Reference has been directed by the Comptroller to British Specifications 11822/92, 19941/02, 2574 /06, [all in Class 139], 15928/13, [Class 137], 140,856, and 305,327, [both in Class 139], and U.S.A. Specification 1,929,631.
Patent GB-591102-A (GB)
Title: Improvements in and relating to the separation of solid materials of different specific gravities
IPC: B03B5/44
Filed: 1944-05-06
Abstract: A process of separation of solids by the sink-and-float method, in which the separating medium comprises a suspension of a finely ground substance in a non-aqueous liquid which has no deleterious effect on the solids being separated.  As liquid phase petroleum products such as fuel oil, diesel oil, gas oil or paraffin, coal tar products, e.g., creosote oil, and vegetable oils, alcohol or hydrogenated hydrocarbons, may be used in which may be suspended as solid phase galena, ferro silicon, barytes, pyrites or copper matte.  It is stated that suspensions having a specific gravity of 2.8 for the separation of light alloy scrap may be obtained by the use of galena which has previously been heated to 75 DEG C. in paraffin or kept at room temperature in suspension in the liquid phase for 48 hours.  The articles may be washed in the liquid phase to remove grease and oil, and dry adherent solid phase after separating may similarly be removed.  Specification 547,102 is referred to.
Patent GB-1242551-A (GB)
Title: New polymerisation process
Inventor: SMITH ERIC
IPC: C02F1/52
Filed: 1968-02-22
Abstract: 1,242,551. Flocculation. IMPERIAL CHEMICAL INDUSTRIES Ltd. 11 April, 1969 [22 Feb., 1968], No. 8674/68. Heading C1C. [Also in Division C3] A flocculation process, e.g. effluent and industrial waste treatment and mining industry applications, utilizes an alkali metal acrylateacrylamide copolymer obtained by polymerizing acrylamide in an ammoniacal aqueous medium containing caustic alkali in an amount sufficient to attain a pH of 13 and at an initial temperature such that the rate of hydrolysis of the acrylamide by the caustic alkali is negligible.
Patent GB-1030721-A (GB)
Title: A construction element, in particular for a ceiling
IPC: E04B9/34
Filed: 1963-03-05
Abstract: 1,030,721. Louvre screens. HUNTER DOUGLAS HOLLAND. March 5, 1963 [March 9, 1962], No. 8809/63. Heading F4R. A constructional element for a ceiling above which lighting fittings may be mounted consists of undulating strips 1 arranged with the wave tops adjacent the wave crests of the adjoining strip, the wave tops and wave crests being slotted and the strips interconnected by transverse strips 2 slotted to accommodate a crest and the adjoining wave trough. The whole assembly may be mounted in a frame 4, the sides of which extending in the longitudinal direction may undulate like the strips 1. The strips may be made of thin aluminium. In place of the shape shown, the strips 1 may be bent to form hexagonal or diamond shapes.
Patent GB-594725-A (GB)
Title: A puzzle of recreational or educational character
IPC: A63F9/10
Filed: 1945-04-10
Abstract: 594,725. Puzzle squares; educational appliances. STEWARD, R. April 10, 1945, No. 8854. Drawings to Specification. [Classes 132 (iii) and 146 (ii)] A puzzle of a recreational or educational character, of the kind comprising a board having means whereby a predetermined number of counters bearing numerals may be removably attached thereto in square formation and having an equal number of counters along each side and the total number of counters equal to the square of the number disposed along any one side, the counters being so placed that the sum of the numerals in the rows along, across and diagonally is the same for all rows, comprises a board subdivided into a plurality of smaller squares the sides of which are parallel to the sides of the board. The board may be built up of a number of separate units, each of which may comprise a puzzle in itself. The counters may fit into recesses in the board, or may fit over pins projecting from the board, or may be attached by ony other known means. The board may be of a size comparable to that of a blackboard so that it may be used for instructional purposes.
Patent GB-634508-A (GB)
Title: Antenna system
IPC: G01S3/08
Filed: 1947-04-01
Abstract: 634,508. Aerials. STANDARD TELEPHONES & CABLES, Ltd. April 1, 1947, No. 8885. Convention date, Aug. 24, 1945. [Class 40 (vii)] [Also in Group XL (b)] The end of a transmission line coupled to an antenna is provided with a plurality of spaced metallic plates mounted adjacent the antenna and connected to the line shield. The invention is illustrated as applied to an Adcock system comprising an array of wide-band antennµ 1-4, in which assemblies of discs 11 are fitted on the lines 8, 9. The discs are less than one quarter wavelength in diameter and minimize polarization errors by screening the antennµ from the effects of currents induced in the line shields. Fig. 2 shows the construction of the antennµ, each of which consists of three coaxial cylindrical conductors 20, 21, 22 with 21 twice the length of 20 and 22. Line conductors 24 and 25 connect with the lower ends of conductors 22 and 20 respectively, the upper ends being joined by a resistance 23 selected to satisfy impedance-matching requirements.
Patent GB-324287-A (GB)
Title: Improvement in manufacture of rubber
IPC: C08L7/02
Filed: 1929-03-19
Abstract: 324,287. Dewey & Almy Chemical Co., and Stevens, D. M. March 19, 1929. Latex, treating; vulcanizing. - Natural or artificial aqueous rubber dispersions are cured, without the use of sulphur, by treatment with an active-oxygen agent such as m-dinitrobenzene, sym-trinitrobenzene, potassium permanganate or benzoyl peroxide, the reaction being interrupted when desired by the addition of a reducing agent such as iron filings or aluminium powder. When nitro compounds are used with latex, a colloidal protective agent is added to prevent premature coagulation. Ten examples are given, in one of which to 35 per cent latex is added a pasty mixture of 1 part benzoyl peroxide and 1 part of water per 100 parts rubber in the latex, and the mixture maintained at 95‹ C. for 10 minutes with agitation. Specifications 108,300, 108,453, and 193.451 are referred to.
Patent GB-1474496-A (GB)
Title: Container wall and method and apparatus for scoring such container wall
IPC: B21D51/38
Filed: 1975-03-04
Abstract: 1474496 Seaming ALUMINIUM CO OF AMERICA 4 March 1975 [14 March 1974] 8945/75 Heading B3J [Also in Division B8] A container wall is scored to provide on at least partially removable panel by applying a secondary indenter outboard of and substantially co-extensive with a primary score line before an indenter forming the score line has penetrated to 50% of its ultimate penetration, the spacing between the centre lines of the indenters being no more than 0À04 inches and the ultimate penetration of the secondary indenter being no more than 75% of the ultimate penetration of the primary indenter. As shown, pressure is applied outboard and inboard of the primary score by secondary indenters 12 on each side of a primary indenter 14, of greater projection to provide the lead. The spacing between indenters is 0À025-0À04 inches or less. The width 16 of the primary indenter 14 is preferably no more than 0À002 inches and the thickness of metal remaining beneath the indenter 14 may be no more than 0À003, e.g. 0À0015, inches, but widths of 0À0025-0À003 are referred to and a residual of 0À0035 and 0À004 inches. The face angles 20 may be 30-90 degrees but preferably 50-60 degrees. Laminate, layered or coated walls may be scored. The face width 18 of the secondary indenters 12 may be 0À0015-0À002 and that 16 of the primary indenter 14, 0À0005-0À0010. Specification 1,164,179 is referred to.
Patent GB-145903-A (GB)
Title: Improvements in or relating to apparatus for mechanically operating musical instruments
IPC: G10B3/08
Filed: 1919-04-09
Abstract: 145,903. Coldman, H. C., and Webb, C. F. April 9, 1919 Actions, pneumatic, of t h e piston-and-cylinder type. A gauze or like filter 9 is clamped between two recessed plates, one, 3, of which is directly connected to or forms part of the valve box 2 of the pneumatic 1, and the other, 6, of which is connected by a tube 11 to the tracker bar. As applied to a group of piston pneumatics arranged in a block, the plates 3, 6 have a series of recesses 7, 8 forming a separate chamber for each pneumatic. Specifications 5812/09 and 14030/10 are referred to.