baber/WOPTO huggingface dataset:
Patent GB-323252-A (GB)
Title: Improvements in and relating to jointing rings for pipes and like purposes
IPC: F16L17/04
Filed: 1928-09-18
Abstract: 323,252. Reynolds, D. H. B. Sept. 18, 1928. No Patent granted (Scaling fee not paid). Cup-leather, overlap joints.-In, a pipe joint of the kind described in Specification 149,381, wherein fluidtightness is secured by a packing ring of flexible material comprising a web a, side walls band inturned flanges c, the ring is so formed that when installed within a sheath c in working position the edges of the flanges are maintained in contact with the surface of the pipe ends. In one form, Figs. 1 and 2, the flanges c are curved as shown, while the web and side walls are preferably reinforced by ribs d; alternatively the flanges may be straight or curved, in which case the ribs of the side walls extend over the. whole width of the flange, Fig. 3. In a further modification, Fig. 7, the edges of the lips are formed with internal protuberances f, with which the web a contacts, and also preferably with external annular beads h. The internal surface of the flanges may be conically arranged, or curved. Reference has been directed by the Comptroller to Specification 264,095.
Patent GB-826295-A (GB)
Title: Improvements in and relating to band clamps
IPC: F16L33/02
Filed: 1957-08-23
Abstract: 826,295. Pliers. UNITED-CARR FASTENER CORPORATION. Aug. 23, 1957 (Aug. 24, 1956], No. 26751/57. Class 61. [Also in Group XXV] A tool for tensioning a band-clamp (see Group XXV) is of the cross-lever type having handles 32 of channel form with the flanges of the channel extended and joined together by a pivot 34 to provide pairs of projecting jaw carrying arms 36, 38 which support jaws 18, 26. The jaws 18 is wedgeshaped and the jaw 26 is of circular cross-section with a reduced central portion to provide a channel for a tongue on the band clamp.
Patent GB-1353358-A (GB)
Title: Copying materials incorporating polymeric bonding compositions
IPC: B41M5/10
Filed: 1971-04-19
Abstract: 1353358 Adhesive compositions S SALA and A CUNEO 19 April 1971 [13 April 1970] 26766/71 Headings C3P and C3Q [Also in Division D2] An adhesive composition suitable for forming an interlayer on a support prior to application of an ink layer to form copying material (see Division D2) comprises spermoil and a polymeric material (other than a cellulose ester) which is capable of forming a film. The polymeric material may comprise polyvinylidene chloride, polyvinyl chloride, chlorinated rubber or polyacrylic material and the composition may also contain a black or coloured pigment and preferably also a plasticizer when a pigment is present.
Patent GB-768728-A (GB)
Title: Apparatus for measuring the humidity of gases
IPC: G01N7/10
Filed: 1954-09-15
Abstract: 768.728. Hygrometric apparatus. RUEGER, E. A. Sept. 15, 1954 [Sept. 15, 1953], No. 26795/54. Class 97(3) Apparatus for, measuring the humidity of gases having a vessel of which part of the wall is porous to permit diffusion of the gas comprises a manometer for determining the pressure difference between the interior and exterior of the vessel, a thermometer for indicating the gas temperature, a carrier, a co-ordinate system on the carrier comprising two sets of coordinates and a group of isothermal parameter lines, the manometer and the carrier being relatively movable in the direction of one co-ordinate or vice versa and one of the sets of co-ordinates including a scale sub-divided into units of relative humidity, and a pointer mounted on the manometer co-operating with the scale, the manometer upon pressure changes in accordance with its reading being arranged for movement relatively in the direction of the other set of co-ordinates and this movement intersecting the isothermal lines, the assembly being such that for a temperature readable on the thermometer the reading of the manometer is manually adjustable to a corresponding isothermal line by a corresponding adjustment of the carrier relative to the manometer so that the relative humidity is readable on the scale opposite the pointer. As shown, the baseplate 10 carries a glass water-containing vessel 11 closed by a porous clay plate 13 and connected to a liquid manometer 15. The plate 18 guided on the rails 19 on the plate 10 carries a bimetallic thermometer 23, isothermals 21, a scale 20 of percentage relative humidity, and two handles 24. The plate 18 is adjusted so that the reading point 26 of the manometer 15 lies on the correct isothermal determined from the thermometer 23, and the relative humidity is read off on the scale 20 by the pointer 25 attached to the manometer tube 17. The markings may also be arranged on a cylinder or on a band which either runs from one roller to another or is endless, or on a circular sector whose pivot lies on the line of the manometer tube. In a further modification, the scales are fixed and the manometer tube movable and carrying a pointer movable along the relative humidity scale, a further pointer being adjustable by hand to register with the manometer indication and a mainly vertical scale of temperature indications. Specification 708,960 is referred to.
Patent GB-711629-A (GB)
Title: Improvements relating to supports for horse-heads and the like in coal mines
IPC: E21D17/03
Filed: 1951-11-15
Abstract: 711,629. Mine roof supports. YEUDALL, A. Feb. 12, 1953 [Nov. 15, 1951], No. 26805/51. Class 20 (2) A horsehead clip for coal mines for attachment to a roof arch comprises a ring formed by upper and lower segments 12, 13 respectively adapted to surround the horsehead girder and allow it to be secured with its web vertical irrespective of the angle of attachment to the arch. The lower segment 13 subtends an arc of 270 degrees. The segment 12 comprises two parts between which the segment 13 is hinged at 19 and a locking pin 22 slides through these two parts and a spacer plate 20 and is bent over to form a short limb 25 adapted to be inserted in registering holes in the segments 12, 13 to lock them together, a hinged gravity catch on the end of the limb 25 preventing its withdrawal. The base 31 carries a lever 37 operating a cam 41 which with a hook 34 is adapted to clamp the base to a mine arch flange.
Patent GB-475834-A (GB)
Title: Improvements in or relating to stereoscopic cinematography
IPC: G03B35/00
Filed: 1936-10-02
Abstract: 475,834. Stereoscopic kinematography. HARVEY. T. M. Oct. 2, 1936, No. 26812. [Class 97 (i)] In apparatus for taking stereoscopic images comprising two reflectors 24, 25, rotated or oscillated as a unit about the axis of the lens of the camera 15, the reflections occur at the front surfaces ; the reflector 24 may be of such dimensions and location that, in conjunction with the manner in which the reflector system is mounted, it permits the operator simultaneously to sight an object directly and by reflection, and to effect any necessary adjustment of the reflector 25. As shown, the reflectors are carried by a wheel 19 mounted on an antifriction bearing 16 within a casing 10 provided with an adjustable screening extension 12 and mounted on the tripod 14 of the camera by a back strip 11 and a bracket 13. The wheel 19 is rotated by a motor 20, belt 23, and pulley 22 ; it may, alternatively, be oscillated by a motor-driven cam disc operating through a forked lever engaging a roller on one of its spokes, or may be hand-operated. The reflector 24 is carried by a block 26 on the wheel or by an adjustable support, and the reflector 25 is carried by three ball-and-cup connections, adjustable in position by screws 29, 34, a scale 38 and a reading point 39 on the wheel being provided. Sighting is. effected by viewing an object simultaneously in the mirror 24 and through an aperture 50, the reflector 25 being adjusted to effect apparent superposition of the image and object. Exposures may be made at the rate of 24 per second and the wheel may be rotated or oscillated at a rate of 12‹ per second.
Patent GB-1217675-A (GB)
Title: Improvements in or relating to apparatus suitable for use in operating on shoes
Inventor: BOOT HERBERT WILLIAM
IPC: A43D37/00
Filed: 1967-01-28
Abstract: 1,217,675. Boots, &c. BRITISH UNITED SHOE MACHINERY CO. Ltd. 29 Jan., 1968 [28 Jan., 1967; 10 June, 1967], Nos. 4333/67 and 26877/67. Heading A3B. A roughing machine of the type described in Specification 1,137,254, in which a pair of rotary wire brushes 38 operate progressively along the margins of a shoe bottom, includes a pair of grinding stones 402 and means for bringing the brushes 38 into contact with the stones 402. The arms 58 which carry the brushes are supported by bars 442 (Fig. 2) which rest on the tops 80 of piston rods 78. Each bar 442 is connected to a rod 434 which can be moved by a piston and cylinder 418 via a bell-crank 426 and a lever 412, to move the brush towards and away from the grinding stone 402. A pawl (not shown) on the lever 412 also rotates a ratchet wheel 446 which is connected by gears 452, 454, 456 to the rod 434. Rotation of the rod 434 causes the bar 442 to be moved through a small distance equal to the length of wire ground away from the brush 38 so that the work engaging surface of the brush is returned to the same heightwise position. The machine also includes a control device which operates the above described mechanism after a predetermined number of cycles of the machine and also reverses the direction in which the brushes rotate when they are being ground. In a modification (Fig. 7) the grinding stone 524 is circular so that when it becomes worn it can be rotated to present an unworn working surface to the brushes 38.
Patent GB-1491264-A (GB)
Title: Photographic film positioning mechanism
IPC: G03B27/58
Filed: 1975-06-25
Abstract: 1491264 Cams &c H A H SPENCEBATE 25 June 1975 [4 July 1974] 26959/75 Addition to 1470382 Heading F2K [Also in Division G2] The photographic film locating mechanism of the parent Specification 1,470,382 has a number of helical grooves 40, 41, 42, 43 shown as a four start thread round a drum 39. These all start from a lead groove 46, which is connected to a circumferential safety groove 44 at one end. Fig. 4 shows the arrangement opened out. Each of the grooves 40-43 correspond to a different microfiche standard. The grooves have holes or ramps in which locating means on the microfiche holder can engage, to locate the particular film frame in position relative to the camera lens 56. Fig. 3 shows in tabular form the distance of the various locating holes in each groove from the safety groove 44. The left hand sections of grooves 40-43, as indicated by references 40<SP>1</SP>-43<SP>1</SP>, are shallow, the remainder of the grooves being deep. The safety groove 44, which is shallow, is connected to a shallow portion 46<SP>1</SP> of the lead groove 46 at a junction 150. At the ramp 50<SP>1</SP> the lead groove drops from a shallow portion to a deep portion 46<SP>11</SP>, which connects to shallow groove portions 40<SP>1</SP>-43<SP>1</SP>. The different depths of the grooves enable fast transfer and disengagement, the follower in the groove being movable from one depth to another by a solenoid. Two such drums, arranged at right angles, can control movement in X and Y directions.
Patent GB-646279-A (GB)
Title: Improvements in transfer tape
IPC: B41M5/00
Filed: 1948-10-18
Abstract: 646,279. Carbon paper and like coating compositions. UNITED STATES RUBBER CO. Oct. 18, 1948, No. 26988. Convention date, Feb. 25. Drawings to Specification. [Class 146 (iii)] [Also in Group XVII] The transferable layer on a stretchable ink ribbon (see Group XVI), comprises a mixture of Blue Japan colour, 90 parts by weight, and Spar varnish, 10 parts by weight. Specification 640,789, [Group XVI], is referred to.
Patent GB-1208511-A (GB)
Title: Improvements in eliminating patterns from and hardening of shell molds
IPC: B22C9/12
Filed: 1968-06-06
Abstract: 1,208,511. Refractory shell mould. HOWMET CORP. 6 June, 1968 [8 Aug., 1967], No. 27040/68. Heading B5A. [Also in Division B3] Refractory shell moulds are formed on a fusible pattern and soaked with a flammable liquid, and then by burning the liquid, the pattern melts and flows from the mould, the mould then being fired to the desired hardness without cooling after the burning of the liquid. A pattern of wax, thermoplastic composition &c. may be dip-coated with a slurry comprising a refractory and a silica-containing binder, e.g. hydrolysed ethyl or isopropyl silicate which may be gelled with ammonia or bonded with colloidal silica, and the pattern is then dusted with coarse refractory. After repeating these steps to the desired thickness, the mould is soaked with a flammable liquid by dipping, spraying &c. The liquid may be petrol, hexane, acetone or alcohol, or if a silicate binder is used, the flammable liquid may be siliciferous, e.g. acetone or ethanol-based hydrolysed ethyl silicate or ethanol-based hydrolysed isopropyl silicate. The liquid is then ignited and burning may be continued in an oven, e.g. at 1500‹ F., to remove all wax and carbonized deposits thereof and to strengthen the mould until its full high temperature strength is reached.
Patent GB-776333-A (GB)
Title: Improvements in or relating to polystyrene moulding composition
IPC: C08L9/00
Filed: 1955-09-22
Abstract: Moulding compositions comprising 75 to 97 parts of a resinous polymeric styrene, 25 to 3 parts of a rubbery polymeric butadiene and 0.03 to 0.15 parts of zinc peroxide or an equivalent amount of magnesium, calcium, strontium, barium or lead peroxide, are prepared by mixing at temperatures up to 450 DEG  F.  The resin may be a polymer of styrene or a nuclear substituted styrene, e.g. methyl, dimethyl, ethyl, diethyl, chloro- or dichlorostyrene, or copolymers or terpolymers of these with butadiene, a -methyl styrene, nuclear-substituted alkyl, chloro- and cyanostyrenes, vinylnaphthalenes and acrylonitrile.  The rubber may be polybutadiene or a copolymer of at least 45 per cent of butadiene with styrene or acrylonitrile.  Plasticizers, e.g. butyl stearate, butyl "Cellosolve" (Registered Trade Mark) stearate, dibutyl phthalate, tricresyl phosphate, mineral oil, low molecular weight polystyrene and styrene and a -methyl styrene dimers and trimers, antioxidants, e.g. di-tertiary - butyl - para - cresol, zinc oxide and zinc stearate may be added.
Patent GB-503763-A (GB)
Title: Improvements in the manufacture of thermionic valve devices
IPC: H01J5/32
Filed: 1937-10-07
Abstract: 503,763. Thermionic valves; making electric lamps. AMIOT, J. L. Oct. 7, 1937, No. 27195. Convention date, Oct. 8, 1936. [Class 39 (i)] [Also in Group XI] The electrodes of a thermionic valve are carried by a support consisting of at least one insulating and heat resisting disc which is disposed at right-angles to the axis of a glass envelope and engages a peripheral groove provided in the envelope, the leading-in wires to the electrodes being embedded in a ribbed pinch seal formed at the bottom of the bulb without the use of a stem-tube. Fig. 1 shows an electrode support consisting of two mica discs d<1>, d<2> wherein the upper disc d<1> engages within a peripheral groove u provided in the bulb t, the edge of the disc d<1> being provided with a series of teeth which engage the groove. The bulb is mounted within wire supporting- arms a preparatory to sealing the leading-in wires l within a cruciform pinch of the shape shown in Fig. 2, formed at the lower end of the bulb. Sealing is effected in a rotary machine comprising an intermittently rotated table with twelve work-receiving positions, each with a support for a bulb, electrode mount and an exhausting-tube disposed coaxially therewith with its lower end connected by a rubber ferrule and connecting tube to the rotary distributer of an exhausting pump. The bulb is carried around past rotary burners which soften it before it is pinched by a set of four co-operating hammers which are mounted on the lower ends of rotary vertical shafts and swing radially towards one another in a horizontal plane. Means are provided in known manner to prevent the exhausting tubes from being sealed off during the pinching operation, so that after exhaustion of the bulb the exhausting tube is heated to softening- point and then sealed by lifting the bulb, thereby drawing-off the tube. The Specification as open to inspection under Sect. 91 describes also an electric incandescent lamp wherein a filament arranged in a major arc of a circle is supported by wire pigtails extending outwardly from a mica disc which is supported solely by the leading-in wires to the filament, these wires being sealed at their lower ends by a flat or cruciform pinch formed by pinching the bulb. The inner ends of the pigtails are welded to metal rivets which are fixed in the mica disc. This subject-matter does not appear in the Specification as accepted.
Patent GB-1452667-A (GB)
Title: Locking device
IPC: E05B63/04
Filed: 1974-06-19
Abstract: 1452667 Door latches GKN-STENMAN AB 19 June 1974 [20 June 1973] 27258/74 Heading E2A A door lock has a spring biassed sliding latch bolt 4 operated by either of two handles 8 through followers 6 and there are provided two dead bolts 10 actuable independently of each other and located one on each side of the latch bolt. The dead bolts are each operated through followers 11 by a key &c inserted into a recess or aperture 12. In the embodiment shown, handles 8 fit into apertures or recesses 7 separate from recesses or apertures 12 but in a further embodiment (Fig. 4) both recesses or apertures 7, 12 have the same centre and each follower 11 actuates the dead bolts through a rotatable member 18, provided with a toothed segment engaging with teeth on the follower 11, the member interacting with the dead bolt through a pin and slot mechanism (20, 21).
Patent GB-663551-A (GB)
Title: Improvements in machines for wire binding boxes or the like
Inventor: SYKES THOMAS ROBERT
IPC: B65B13/32
Filed: 1948-10-20
Abstract: 663,551. Electric welding. TORONTO STAR, Ltd. Oct. 20, 1948, No. 27307/48. Class 83 (iv). [Also in Groups I and XVII] A wire binding machine comprises a reciprocating ram arranged above a bed-plate, means for feeding wire under an object placed on the bed-plate, the length of the wire being controlled by means operated by movement of the ram into engagement with the object, means for folding the wire around the object, means for tensioning the wire around the object and means for welding the ends of the wire together while it is held by the tensioning means. The welding-electrodes are mounted on and insulated from the ram 7 and extend through a slot 110 between the grippers. The lower electrode 109, Fig. 9, is pivoted to the ram and underlies the wire ends. The upper electrode 113, Fig. 6, is spring-loaded and is also pivoted to the ram; and it is moved into contact with the wires by a compressed-airoperated piston 121. Movement of this electrode allows a switch 124 to make to supply current to a welding transformer 112. The duration of the welding current is controlled by a bellows arrangement 128<SP>1</SP>, Fig. 5 (not shown). The welding-jaws are shaped so that the strain on the weld is in shear. After the wires have been welded the projecting wire ends are knocked down by an obliquely-mounted compressed-air-operated piston 127 which is fixed on the ram 7 between the two grippers.
Patent GB-682290-A (GB)
Title: Improvements relating to locks, and more particularly to the locks for the doors of automotive vehicles
IPC: E05C1/16
Filed: 1950-11-08
Abstract: 682,290. Door latches. BIENAIME, R. Nov. 8, 1950 [Feb. 6, 1950], No. 27335/50. Class 44 A door latch comprises a pair of parallel bolts 3, 3a, Fig. 1, projected by springs 4, 4a, the bolts being provided at their outer extremities with inclined bevelled surfaces adapted to co-operate with oblique edges of the opening in the striking plate to prevent rattling and dropping of the door. In the form of Figs. 1 and 4 each bevelled surface 5, 5a is formed on the side opposite to the other bolt, the surface being a plane passing through a diagonal of the end face of the bolt and a point on the corner of the bolt removed from the end face a distance of the order of the length of the greater sides of the end face. In this form the opening. 7 in the striking plate 6 is of trapezoidal shape the bevelled surfaces engaging the oblique edges 8. The bevelled surfaces are formed on the side of opening of the door, the bolts being pushed back as the door closes by a ramp formed on the striking plate. In another form each bolt is bevelled on the side adjacent to the other bolt and the aperture 7, Fig. 6, of the striking plate 6 is in the shape of a pair of right angled triangles having their acute angles directed towards one another. The bolts are retracted by a handle follower 11, Fig. 1, engaging a bell-crank lever 10 connected to a yoke 9.
Patent GB-225349-A (GB)
Title: Improvements relating to elastic fluid turbines
IPC: A47C7/26
Filed: 1923-10-31
Abstract: 225,349. Baumann, K., and Metropolitan-Vickers Electrical Co., Ltd. Oct. 31,1923. Casings; cooling and heating parts.-In a turbine of the type in which stationary blades or nozzle diaphragms 4 are carried by an internal stator 3 of regular form to the exterior of which the working fluid may gain access, at least one axially flexible annular plate 7 is fitted in a substantially fluid tight manner between the stator 3 and the turbine casing 1 and with a radial clearance on at least one of its peripheries. The annular plate 7 may be held by the difference of pressures on opposite sides thereof against continuous flanges 12, 13 on the stator and casing, or it may be secured to one member and abut against a flange on the other member. The plate may be held by studs against the flange but preferably two flanges 15, 13 are employed forming a groove 6 in which the annular plate fits. The edges of the groove may be chamfered to facilitate assembly and increase the width of plate subject to flexure. Passages 11 permit access of the working fluid to the exterior of the stator, one at least being arranged in the lower half of the stator to drain any condenser liquid. A rim 18 on the stator co-operates with a groove 19 in the casing to take up end thrust.
Patent GB-205671-A (GB)
Title: Improvements in and relating to variable speed gear
IPC: F16H37/08
Filed: 1922-10-10
Abstract: 205,671. Bannister, A. R., and Zelandia Motor Co., Ltd. Oct. 10, 1922. Variable-speed gearing comprises a worm epicyclic train controlled by a disc and roller. Planet spindles 9<a> carried by a driving fly-wheel 1 carry spur gears 9 meshing with a sun gear 8 secured to the driven shaft 5. Worm trains 11, 11<a>, 13<b>, 13<c> connect the spindles 9<a> to a sleeve 3a upon the shaft 5. A roller 15 splined on this sleeve slides across the face of a disc 16<a> which is constantly driven by its edge rolling upon a disc 19 secured to the fly-wheel 1.
Patent GB-841715-A (GB)
Title: Improvements in or relating to rotors
Inventor: BROWN JAMES
IPC: F01D5/02
Filed: 1957-08-30
Abstract: 841,715. Securing rotors on shafts. POWER JETS (RESEARCH & DEVELOPMENT) Ltd. Aug. 29, 1958 [Aug. 30, 1957], No. 27445/57. Class 80 (2). A high-speed turbine, compressor, or like rotor 9 has an outwardly tapering hub portion the conical surfaces 12,13 of which are engaged by correspondingly formed distance pieces 10,11, the assemblage being held in position by a nut 8 on the rotor shaft 2, and the angles of inclination of the surfaces 12, 13 to the axis of rotation being such that the sum of their cotangents is substantially equal to Poisson's ratio for the material of which the rotor is made. Bv this arrangement the centrifugal forces set up in the rotor result in sliding movement between the mating surfaces of the rotor and distance pieces, thus avoiding any reduction in the force exerted by the clamping nut 8. Preferably, as shown, the surfaces 12, 13 are equally inclined to the rotor axis, but in a second embodiment one surface is perpendicular to the axis, the cone angle of the other surface being modified appropriately.