baber/WOPTO huggingface dataset:
Patent GB-1004863-A (GB)
Title: Improvements in and relating to sliding gates
IPC: E06B11/02
Filed: 1961-08-19
Abstract: 1,004,863. Collapsible gates. R. W. HARE. Nov. 19, 1962 [Aug. 19, 1961], No. 29998/61. Heading E1J. A sliding gate for use with a fence having horizontal tubular members 15 comprises an upright end member 11, a plurality of parallel rods 12 connected thereto and slidable into members 15 for an open position of the gate, one or more stout members 20 slidably mounted on the rods 12 and a collapsible linkage 22 between adjacent end and strut members, the linkage nearest the fixed end of the gate being connected between the last strut and the respective member 15 of the fence. Chassis 25 interlinking the members 11, 20, 15 may be provided in addition to or alternative to the linkages 22. The end member 11 has a double disc skid 16, at its foot, the skid embracing a fence member 14 so opposing lateral movement of the gate in the closed position.
Patent GB-684333-A (GB)
Title: Improvements relating to electroplating apparatus
IPC: C25D17/20
Filed: 1949-11-24
Abstract: 684,333. Electro-plating barrels. HOCKLEY CHEMICAL CO., Ltd., and WILLIAMS, C. H. J. Nov. 24, 1950 [Nov. 24, 1949], No. 30112/49. Class 41. Apparatus for electro-plating small wires comprises a peripherally - perforated barrel adapted to be wholly or partly submerged in plating solution in a vat, means being provided in association with one or both ends of the barrel whereby, as the barrel rotates, some of the plating solution is caused to flow into the barrel through perforations in one or both ends, whereby the strength of the solution in the barrel is maintained practically constant and equivalent to that of the solution in the vat. In the arrangement shown, a perforated barrel 10 rotatably mounted and partly immersed in plating solution in a vat 14, is provided at each end with a box-like structure 15. The structure comprises side plates 15a, 15b connected by a central hub 16 on the barrel spindle 12, and the space around the hub is divided into sector-like compartments by radial strips 15c, which do not extend completely as far as the periphery of the barrel. Each compartment is closed by an arcuate strip 15d which terminates at one end on the outer end of a radial plate 15c and at the other end on the periphery of the barrel, so that a gap is formed through which electrolyte enters as the barrel rotates. The electrolyte passes into the interior of the barrel through one or more perforations 15e on the side plate 15b and through registering perforations on the inner wall 10d of the barrel. Inclined webs 15f are provided and direct the liquid through the perforations. In a modification, the end structures are an integral part of the main body of the barrel which may be of polygonal cross-section. The structure may consist of one sector-shaped compartment or of a plurality of such compartments spaced apart from each other.
Patent GB-263995-A (GB)
Title: Improvements in internal and external drum brakes
IPC: B61H1/00
Filed: 1926-05-19
Abstract: 263,995. Crockett, R. A. May 19, 1926. Blocks and shoes acting on drums; forcetransmitting mechanism; compensating for wear. - An internal shoe brake comprises radially guided shoes which can be engaged with the drum either by cams on a hub coaxial with the drum or independently by cams disposed between the ends of the shoes. The shoes 27, 28 have extensions 6 of I-section to engages guide arms or parts 7, 7a on a hub 8 bolted at 9 to the axle casing of a vehicle and may be applied to the drum 1 by cams 23, 24 formed on a ring freely mounted on the hub 8. An operating cable 26 is attached to the cam member. The shoes can also be applied by cams 31 operable by cables 32 and disposed between the ends of the shoes. To permit adjustment for wear the cable 26 for the cams 23, 24 is connected to an eye on a split collar 43 provided with a flat for engagement with one or other of a number of flats formed on the boss of the cams so that the angular relationship of the collar with respect to the cams can be varied. Fig. 4 shows a brake of this kind mounted on the axle of a vehicle steering wheel 42. The operating cable 39 for the cams 23, 24 in this case passes over a pulley 38 mounted on the fixed casing 35 and a second pulley 41 so arranged that the cable intersects the axis of the steering pivot 34 and the line joining the axes of the pulley 41 and pivot 34 is normal to the line joining this pivot and the pulley 38 with the wheel in the normal position whereby little alteration in the effective length of the cable takes place during the steering movement of the wheel.
Patent GB-652217-A (GB)
Title: Thermo-pump heating systems
IPC: F25B30/02
Filed: 1947-10-07
Abstract: 652,217. Heat pumps. EVANS, J. H. Oct. 7, 1947, No. 30405/49. Divided out of 652,162. [Class 29] In a heat pump driven by an internal combustion engine or gas turbine 2 the waste heat in the engine or turbine cooling water or the exhaust gases is used to superheat the refrigerant vapour leaving the compressor. Compressed refrigerant vapour leaves the compressor 1 by a pipe 4, enters a heat exchanger 5 in which circulates cooling water from the jacket of the engine 2 and passes to a pressure vessel 7 containing tubes through which pass the exhaust gases from the engine supplied by a pipe 8 and passing to the atmosphere by a pipe 40. The superheated refrigerant is led by a pipe 9 to condensers 10-13 forming the heating means for a building &c., the condensed refrigerant passing to a vessel 19 and through a heat exchanger 21 to a float controlled vessel 22 feeding a flooded evaporator 25. Liquid or gaseous medium forming the' low temperature source of heat circulates through the evaporator by pipes 28, 29 and the vaporized refrigerant 'returns to the compressor by pipe 26, vessel 22, pipe 30, heat exchanger 21 and pipe 3. The supply of cooling water for the engine 2 is maintained by a feed tank 36. The exhaust gas heat exchanger 7 has an explosion relief door 38 and a condensate drain 39. Specification 652,162 is referred to.
Patent GB-708032-A (GB)
Title: Lifting apparatus especially for barrels
IPC: B66F9/04
Filed: 1951-12-31
Abstract: 708,032. Lever load handling . machines. STRUVER-MASCHINEN-GES. Dec. 31, 1951 [April 30, 1951], No. 30450/51. Class 78 (3) A load lifting apparatus has a beam b pivoted about an axis y, and a bridge member c which is pivoted to tie beam at x and is adapted to abut against the edge of a platform f so that when the beam is raised by the screw jack d the parts b, c assume the positions b<SP>1</SP>, c<SP>1</SP> and the load is tipped on to the platform. An extensible frame g is moved into the position shown in Fig. 2 when it is required to increase the height of the lift. As shown in Fig. 2 the bridge member may be provided with side plates h to convert it into a shoot for handling loose material.
Patent GB-689717-A (GB)
Title: Mechanism for varying the tension of normalizing springs of typewriter or like machine
IPC: B41J5/26
Filed: 1950-12-14
Abstract: 689,717. Typewriters &c. ROYAL TYPEWRITER CO., Inc. Dec. 14, 1950 [Jan. 9, 1950], No. 30582/50. Class 100(iv) The touch of a typewriter key-lever mechanism is altered by adjustment of pre-loaded normalizing springs 51 by movement of a spring-anchor plate 49 relative to the elements 39 of the key-lever mechanism, the movement of the plate 49 being effected by two levers 55, 56 rocked by links 67, 68 coupled to an adjustable wheel 60. The keylever mechanism is similar to that described in Specifications 674,941 and 682,212 but has further means to effect adjustment of the power of the typing stroke comprising a knock-off plate 19 with individually adjustable fingers 19a which engage with the trigger 30 to disconnect the pawl 27 from the snatch roll 9. The touch adjustment mechanism is a further form of the mechanism described in Specification 687,168. The individual springs 51 are fitted between a prong 52 on each element 39 and a series of prongs 50 depending from the anchor plate 49, accessibly and slidingly mounted on a frame bar 23 and formed with an angled part 49b engaged by the offset lower arms 55a, 56a, of the levers 55, 56. The levers 55, 56 are linked to the adjustable member 60 shown as a gear wheel having an axis parallel with the axes of the levers 55, 56 and rotated by a worm wheel 65 from a knob 66. The lever 55 has an upper extension 72 working between markings indicating the tension in the springs 51. The point of connection 70 of the links 67, 68 ensures that equal increments of rotation of the knob 66 from the normal position effect gradually diminishing movement of the links 67, 68 in the horizontal plane. The non-adjustable normalizing spring 47 shown on Fig. 2 may be omitted. Specification 674,943 also is referred to.
Patent GB-360616-A (GB)
Title: Means for hermetically closing and locking atomizers, particularly pocket atomizers
Inventor: LES VAPORISATEURS MARCEL FRANCK
IPC: A61M11/02
Filed: 1930-10-14
Abstract: 360,616. Atomizers. SOC. ANON. LES VAPORISATEURS M. FRANCK, 49, Boulevard de MÚnilmontant, Paris. Oct. 14, 1930, No. 30732. Convention date, Jan. 31. [Class 69 (iii).] An atomizer of the air pump type has a single member for locking the piston and closing the nozzle either simultaneously or separately as desired. An atomizer c o m - prises a liquid vessel 1, within which is mounted an air pump 3 delivering air through a pipe 12 to eject and atomize liquid at a nozzle 14, has mounted thereon a resilient member 15 pivoted on a pin 16 and carrying at one end a plug 18a to close the nozzle and at the other end a heel 15a to engage a groove 8a on the pump piston to lock the pump.
Patent GB-1292200-A (GB)
Title: Electrophotographic process
IPC: G03G15/10
Filed: 1970-06-24
Abstract: 1292200 Electro-photography FUJI PHOTO FILM CO Ltd 24 June 1970 [25 June 1969] 30744/70 Heading G2H [Also in Division H1] A liquid developer is applied to an electrostatic charge image-bearing photo-conductive coating on a support from a donor member/which is in the form of a development electrode roll, or an endless belt in contact therewith, and which is in limited pressure contact with the coating, the coating and/or roller having such a rough surface that the area of contact is not greater than 10% of the area to be developed and the majority of the contacted points have a size not greater than 50 microns. As shown, a recording sheet 140 passes between a plurality of pairs of donor and backing rolls in series, each donor roll 101-104 being fed with liquid developer through a respective cleaning pad 121- 124. In a modification, and endless belt passes between each pair of rolls Fig.5 (not shown). Each cleaning pad may be replaced by a squeeze roll Fig.2 (not shown), and the plurality of backing rolls may be replaced by an endless belt Fig.3 (not shown) or a large drum Fig.4 (not shown). The limited contact may be produced by (a) using a roll having a rough surface produced by sand blasting or chemical reaction, (b) using a paper support having a rough surface, (c) forming the coating from coarse particles, or (d) drying the coating to produce a rough finish. Washing with liquid may be effected before and after development.
Patent GB-898745-A (GB)
Title: Improvements in or relating to optical objectives of variable focal length
Inventor: COOK GORDON HENRY
IPC: G02B15/14
Filed: 1957-10-02
Abstract: 898,745. Variable focal length systems. TAYLOR, TAYLOR & HOBSON Ltd. Sept. 29, 1958 [Oct. 2, 1957; Jan. 15, 1958], Nos. 30847/57 and 1446/58. Class 97(1). In a variable focal length objective of the kind comprising a movable convergent front member, a stationary convergent rear member and a movable divergent member therebetween, such that the ratio of the equivalent focal length of the divergent combination of the front two members to the equivalent focal length of the complete objective is constant throughout the range of variation and the virtual image of a distant object formed by this combination has a constant axial position relative to the stationary rear member, the convergent front member has several convergent components of which at least one is a doublet with a dispersive internal contact surface and at least one is a simple component, and the divergent second member has several divergent components of which at least one is a doublet with a collective internal contact surface and at least one is a simple meniscus component whose rear surface is convex to the front and has a radius of curvature not less than 0.33 f 2  and not greater than the range of axial movement of the divergent second member, where f 2  is the equivalent focal length of the second member. Optical data are given in the Specification for four examples; one example is as illustrated and is such that the front member comprises a positive doublet and a positive meniscus, the middle member comprises three negative menisci, and the fixed rear member comprises four components. In other forms, the front member comprises a front simple positive lens followed by a convergent doublet, and the rear member comprises three components only. Focusing for near objects may be effected by movement of the convergent front member independently of the second and third members. The rear member of each example may be replaced by other rear members so as to allow for different minima and maxima of equivalent focal length. By arranging the objective diaphragm at or near the front surface of the stationary rear member and using the front members with diameters larger than is necessary to accommodate the full axial beam, the relative aperture of the objective remains constant throughout the range of variation. Specification 689,206 is referred to.
Patent GB-185678-A (GB)
Title: Improvements in safety grips for lifts, colliery cages and the like
IPC: B66B5/24
Filed: 1921-11-18
Abstract: 185,678. Coulson, M. Nov. 18, 1921. Catch gear of mine-cage type.-Each guiderope f passes between a U-shaped stirrup k and a serrated cam h pivoted to the top of the cage. The stirrup k is pivoted to the cam and rests on the end n of a weighted lever m pivoted to the cage and connected by an adjustable rod q to the ring l connecting the bridle ohanns and hoisting-rope. When the rope b breaks, the ends n of the levers are raised and the ropes f are gripped between the cams and stirrups.
Patent GB-246975-A (GB)
Title: Improvements relating to lock keys
IPC: E05B19/00
Filed: 1924-12-23
Abstract: 246,975. Tann, Ltd., J., and Tann, J. L. Dec. 23, 1924. Keys.-Long shanked keys for safes and strongrooms having detachable bits for convenience in carrying are formed with an interfitting tongue- and-slot with pins bridging the slot and engaging recesses in the tongue. The bit c is provided with a short slotted leg c<1> and spring plunger d'. Both the long operating-shank and the short carrying-shank are provided with a tongue b having recesses g, f for engaging pins j, k in the slot in the leg c<1>, and a recess h for engaging the plunger d',
Patent GB-964209-A (GB)
Title: Improvements relating to jogging machines for straightening stacks of paper
IPC: B65H31/40
Filed: 1961-08-28
Abstract: 964,209. Knocking-up devices. G. BUSCH. Aug. 28, 1961 [Sept. 1, 1960 (2); Sept. 26, 1960], No. 30893/61. Heading B6H. A knocking-up device for straightening a stack of paper sheets and conveying the straightend stack to a paper processing machine, includes a vibrating table 43 supported by a plate 1, which is adjustable by means of a universal joint about two axes disposed normally to each other, the universal joint being supported by one arm 12 of a double-armed lever pivotable about a horizontal axis 18 whereby the table may be raised or lowered. The plate 1 has depending members 3, 4 connected to a shaft S rotatably mounted in a collar 7, 8. The lower collar half 8 is integral with a trunnion 9 rotatably mounted in a sleeve 10 secured to the arm 12. The table is moved vertically by an hydraulically controlled piston 26 pivotally connected to a slide 30 movable in a groove 31 in the sleeve 10. Slotted guide rails 32 secured to the members 3, 4, are provided with adjustable stops 34, 35, to limit the sliding movement of blocks 36. Each block is connected to one screw bolt 38 of a turnbuckle 39 through a ball-joint 37. The other screw bolt 40 is connected to the base plate 21 of the machine through a ball-joint 41, whereby vertical movement of the table is limited. A plate 14 at the upper end of arm 13 of the double-armed lever, carries two adjustable screws, which co-operate with the plain surface 17 of the upper collar half 7, to limit the extent of rotation of the plate 1 about the trunnion axis. The table is supported on the plate 1 by springs 44, 45, and provided with apertures 46 through which air is blown. A plurality of endless belts pass around the table and are held taut by spring-loaded tension rollers 63. The belts are driven by rollers 51 to feed a straightened stack to a subsequent machine. The table is provided with the usual side walls 2. The latter have spaced, vertical, substantially semicircular recesses, in which freely rotatable rollers 67 are mounted, to reduce the friction between a stack and the side walls. The rollers are supported between plates 70, 71, adjustably mounted in recesses 74, 75, and held in place by set screws 77 and spring-pressed pins 80. Thus the spacing between the rollers and the associated side wall may be varied. The rollers are provided with self-aligning bearings whereby the rollers may be arranged at an angle to the side walls.
Patent GB-799076-A (GB)
Title: An intruder alarm
IPC: G08B13/02
Filed: 1955-10-29
Abstract: 799,076. Intruder alarms. WARNER, P. J. F. Jan. 16, 1956 [Oct. 29, 1955], No. 31001/55. Class 118 (1). An intruder alarm comprises a sounding board A spaced from the glass C of a glazed door or window, a metal sheet E positioned between the glass and the sounding board, and a pivoted weight B which may be released from its clip D by the occupant of the premises to smash the glass and let the pieces of glass fall on to the metal sheet E to sound the board A.
Patent GB-645750-A (GB)
Title: Improvements in and relating to the purification of polymyxin
Inventor: WILKINSON SAMUEL
Filed: 1948-11-30
Abstract: A salt such as a sulphate or b -naphthalene sulphonate of polymyxin B and E is precipitated as the free base by treating an aqueous solution of such a salt with an alkali while at a temperature not less than 50 DEG  C.  In an example, aqueous ammonia is run into a solution of polymyxin E sulphate in boiling water.
Patent GB-951648-A (GB)
Title: Improvements in or relating to methods of alloying electrodes to semiconductor bodies
IPC: H01L21/00
Filed: 1960-09-09
Abstract: 951,648. Semi-conductor devices. PHILIPS ELECTRICAL INDUSTRIES Ltd. Sept. 9, 1960 [Sept. 12, 1959], No. 31144/60. Heading H1K. A jig for use in alloying electrodes to a semiconductive body includes a weight 5 which is displaceable in tubular portion 1 and on which electrode material 6 is supported with the semiconductive body 3 above it. The jig is heated in a hydrogen atmosphere, which may contain a trace of HCl gas, to melt the electrode material and is then inverted so that the molten electrode material falls on to the semi-conductive body and the weight on to the electrode material, whereupon alloying takes place between body 3 and material 6. An annular electrode may be produced in a jig having a fixed central column and an annular weight (Fig. 3, not shown). To alloy a second annular electrode on the opposite side of a semi-conductor wafer to a first annular electrode the end plug against which the semiconductor wafer is supported is provided with an annular groove into which the electrode fits accurately but which does not exert pressure on the electrode (Fig. 5, not shown). A third electrode comprising an annular wire 30 may then be soldered to wafer 15. In another embodiment (Fig. 9) rectangular electrodes are formed. A core 44 is provided within tubular part 41 of the jig, this core being provided with three rectangular channels in which weights 45, 46, 47 are displaceable. The three electrodes are then formed simultaneously. In each of these embodiments the jig is preferably of graphite, superficially oxidized ferrochromium, or ceramic material, and the displaceable weight may be of similar materials or of nichrome, or may comprise a composite body of graphite and nichrome, the graphite being adjacent the electrode material. In order to reduce friction during the displacement of the weight it may be formed partly of a metal, such as lead, which is liquid during the alloying process, a layer of graphite preventing the lead mixing with the electrode material (Fig. 10, not shown). After alloying indium or tin to silicon the body may be removed from the jig, aluminium may be added to the electrode, and the whole body reheated to obtain a strongly P-type region.
Patent GB-847490-A (GB)
Title: Process for purification of polyolefines
IPC: C08F10/00
Filed: 1956-10-12
Abstract: Ash-forming metal components are removed from polyolefins formed by polymerisation of an olefin in the presence of a catalyst including an aluminium compound and a heavy metal compound, by adding chelating agents containing carboxyl groups and/or oxy groups and which react with the ash-formers to form complex salts, and either dissolving this complex in an organic liquid solvent inert to the polymer or dispersing the complex in an organic dispersing liquid medium inert to the polymer. Specified chelating agents are aceto-acetic ester, acetyl acetone, benzoyl acetone, hydroxyquinolines, disalycalethylene-diamine and alpha-nitroso-beta-naphthol.  The chelating agents may be used in excess and so serve as the organic liquid solvent. The specified polyolefin is ethylene.  Specification 791,889 is referred to.  Reference has been directed by the Comptroller to Specification 804,802.
Patent GB-1516906-A (GB)
Title: Circuit for supplying impulses from a telephone instrumen
IPC: H04M1/31
Filed: 1976-07-27
Abstract: 1516906 Substation equipment; rubber senders INTERNATIONAL STANDARD ELECTRIC CORP 27 July 1976 [13 Aug 1975] 31225/76 Headings H4K and H3T A circuit WI, Fig. 1, supplies break dial-pulses to a telephone line a, b in response to signals received from a dial converter WU or a push-button telephone not shown. The circuit WI comprises transistors T1 and T2 which together with diodes D1, D2 form a bridge connected in the loop so that, depending on the polarity of the supply current, either transistor T1 and diode D2 or transistor T2 and diode D1 are switched to provide a dial-pulse train representing the number provided by the converter WU. Both transistors Tl and T2 are driven through a transistor T3, whose base is connected to an output s of the converter WU and through a limiting resistor W4 to the tap of a voltage divider, formed by resistors W1, W2, connected across the inputs ea, eb. Diodes D3, D4 protect the cut-off transistor T1 or T2 from high blocking voltages. A changeover contact nsa enables the line ab to be disconnected from a speech circuit SP and be connected to the circuit WI when the subscriber is dialling.
Patent GB-1067804-A (GB)
Title: Disinfectants and preservatives
Inventor: PAULUS WILFRIED
IPC: C10M133/16
Filed: 1965-07-22
Abstract: Adhesive paste made from commercial white dextrin is rendered antimicrobial by incorporation therein of an N-methylol compound of a halogenated carboxylic acid amide containing 2 to 6 carbon atoms, e.g. 2,2,3-trichloro-N-methylol-propionic acid amide.  Cutting oil emulsions are disinfected or preserved by incorporation therein of an N-methylol compound of a halogenated carboxylic acid amide containing 2 to 6 carbon atoms.ALSO:The invention comprises a process for disinfecting matter or preserving it from infection by mixing therewith an N-methylol compound of a halogenated carboxylic acid amide containing 2 to 6 carbon atoms.  Specified active ingredients are the N-methylol compound of 2-chloroacetamide, 2,2-dichloroacetamide, 2,2, 2-trichloroacetamide, 2-chloropropionamide, 2, 2, 3-trichloropropionamide or 2-chlorobutyric acid amide.  The matter may be a wax oil, paste, aqueous dispersion or emulsion.