baber/WOPTO huggingface dataset:
Patent GB-405600-A (GB)
Title: Improvements in or relating to embedded electric hot-plates
IPC: H05B3/68
Filed: 1932-05-02
Abstract: 405,600. Wire resistances. SCOURFIELD, W. B., and FALK, STADELMANN, & CO., Ltd., 83, Farringdon Road, London. May 2, 1932, No. 12632. Void [Abridged as open to inspection under Sect. 91 of the Acts, Oct. 6, 1933]. Drawings to Specification. [Class 37.]' In order to increase the heat output per unit area of an electric hot-plate having a helical conductor embedded in grooves formed in the plate, the helical loops of the conductor are elongated in shape and disposed in the plate with their narrow width parallel to its surface.
Patent GB-330359-A (GB)
Title: Improvements in and relating to the sharpening of safety razors
IPC: B24D15/08
Filed: 1929-04-23
Abstract: 330,359. Amesbury, W. L. R. April 23, 1929. Stropping-apparatus for safety razor blades comprises two spring plates h to the edges of which are attached leather, or rubber and leather, strips k treated with abrasive material. The plates are formed with three holes l to receive dowel pins on a plate a similar to the ordinary safety razor, a comb plate b being also provided. Sharpening of the blade p is effected by alternately compressing and releasing the spring plates, for which purpose the end of the handle may be bored to receive the centre dowel pin, the handle then acting as a plunger. Alternative forms of construction are described in which the leather strips are dispensed with, or one spring plate only may be used, the blade resting on a leather strip mounted on a rubber block which may be fixed to a metal plate. Specification 317,906 is referred to.
Patent GB-604110-A (GB)
Title: Improvements in liquid filtration
IPC: F01M11/03
Filed: 1944-07-04
Abstract: 604,110. Filters. FRAM CORPORATION. July 4, 1944, No. 12720. Convention date, July 10, 1943. [Class 46] A filter for liquids comprises a stack of alternately arranged plate and spacer members 60, 62, Fig. 1, providing cells 64. in which sludge can Collect, the members having central openings and surrounding but spaced from an apertured tube 29 to provide a passage 29<SP>1</SP> which receives filtrate directly from the edges of the members for subsequent discharge through the tube. Alternate members at least consist of pervious material. The members may consist of heavy paper, cardboard or like filtering material. They are clamped to gether between the bottom wall 43 of a perforated cylinder 41 and a spring-pressed plate 52. The cylinder 41 is located inside a casing which is held in place by a bolt 34 screwed into the tube 29. An opening 55 may be provided in the plate 52 to permit part of the liquid to by-pass the filter, In a modification shown in horizontal section in Fig. 7, the plates 70 have each a number of radial slots 73 which are covered by spokes 78 on the adjacent spacer member 75. Notches are provided on the members for engagement by a rib 80 on the surrounding perforated cylinder. In a further modification the plates are of the form shown in Fig. 11 and are stacked with spacer members 94 as shown in Fig. 12. The liquid to be filtered enters through holes 90 in the plates with spaces 97 and is filtered as it flows either inwardly to the central discharge tube, or outwardly to an annular space 102 just within the cylinder 99 which in this case is not perforated. The space 102 communicates with the central passage accommodating the central discharge tube. In a further modification the spacer members consist each of a plurality of plies of pervious material. Specification 570,960 is referred to.
Patent GB-1103810-A (GB)
Title: Improvements in or relating to drills for drilling holes in the ground
IPC: E21B19/08
Filed: 1966-03-23
Abstract: 1,103,810. Boring earth &c. G. DEGAVI, E. DEGAVI, O. DEGAVI and C. DEGAVI. 23 March, 1966, No. 12733/66. Heading E1F. A drill suitable for mounting on a tractor comprises a bit 35 on a rotatable polygonal shaft 24 attached by a bearing 23 to a lazytong linkage fixed to a shaft driving unit 1. The shaft is axially slidable in a hole in a wheel (26) of the unit 1 which is attached to a framework 4 by pivots 5. Piston and cylinder units 19, 21 and 20, 22 operate to extend or contract the linkage and so raise or lower the shaft and bit. A ground support 30 is used during drilling while during transport the shaft and linkage are lowered by a piston and cylinder unit 28, 29 about the pivots 5 on to a support 36.
Patent GB-993559-A (GB)
Title: Container bases
Inventor: MINIUSSI CLAUDY
IPC: B65D25/20
Filed: 1961-04-10
Abstract: 993,559. Stands for vessels. UNILEVER Ltd. April 9, 1962 [April 10, 1961; Jan. 12, 1962], Nos. 12909/61 and 1229/62. Heading A4A. [Also in Division B8] A support 35, e.g. of plastics material, for the bottom of a thermoplastic vessel having fin seams comprises a tray-like structure having an inturned bead 42 around its edge recessed at 40 and 41, diametrically opposed parts of the bead which terminate on the recesses being gradually recessed in extent of inward projection from points 45 and 46 to substantially zero at the location of the recesses, thus forming shoulders 47 and 48. The support is particularly useful when used with a vessel having, besides fin seams, a peripheral groove near its lower edge, when the the bead engages the groove and the recesses engage the fin seams.
Patent GB-623692-A (GB)
Title: Improvements in or relating to ambulance stretchers
IPC: A61G1/06
Filed: 1947-05-13
Abstract: 623,692. Ambulance stretchers. RILEY, C. C., and SIEBE, GORMAN, & CO., Ltd. May 13, 1947, No. 12942. [Classes 103 (iv) and 108 (i)] An ambulance stretcher for use in mines comprises in combination a stretcher unit mounted upon castors and a rail trolley mounted upon flanged wheels, the trolley removably receiving the stretcher unit and supporting it when in a loaded condition with the stretcher unit castors displaced from the ground. In the arrangement shown, the stretcher unit is formed from a base frame 6 and a guard frame 8, 9 and is supported on resiliently mounted castors 2. A troughshaped canvas support (not shown) is edgereinforced by a cable exposed at 'convenient points to provide hand grips and is suspended from frame 6 by quick-release fastenings (not shown). The whole is detachably supported on a rail trolley 3 by means of spring-loaded plungers 17 and trunnion plates 5 such that castors 2 are displaced from the ground. Lamp brackets 10, 11 are provided.
Patent GB-1014522-A (GB)
Title: An improved experimental or control rod for nuclear reactors
Inventor: CARDOZO RAPHAEL LOPES
IPC: G21C1/30
Filed: 1963-04-02
Abstract: 1,014,522. Reactors. EUROPEAN ATOMIC ENERGY COMMUNITY (EURATOM). April 2, 1963 [April 5, 1962], No. 13072/63. Heading G6C. A composite experimental or control rod for a nuclear reactor consists of two parts; an outer part comprising a sleeve 1 with an eccentric lengthwise bore 4 and an inner part comprising a rod or sleeve 2 within the outer sleeve 1, the inner part also having an eccentric bore or cavity 3, the sleeves 1, 2 being relatively rotatable about the axis of the bore 4. The rod maybe used as a normal control rod by longitudinal displacement in the usual manner (when in the symmetrical configuration shown in Fig. 2) or as a fine control rod when in the unsymmetrical configuration shown in Fig. 3. In this latter configuration, the neutron absorbtion capacity of the rod varies between a maximum and a minimum around its periphery. It is not essential for the rod to be made from a neutron absorber and it may be made, wholly or partially, from a moderator, reflector or fissile substance. The rod may also be used as a measuring tube in which case it is made of an absorber permeable to neutrons in the region of the thin wall parts, thus being " closed " to radiation when in the Fig. 2 configuration and " open " to radiation when in the Fig. 3 configuration. Similarly, the rod may be used as a radiation tube, the sample to be irradiated being housed within a screened compartment, open towards the thin wall part of the Fig. 3 configuration and movable along the bore or cavity 3 by means of a cable. If the composite rod is built up in the configuration shown in Fig. 2 of moderating material and is filled with a moderator, it can serve as a thermal column provided that the radial dimensions of the rod are large enough for this purpose. It can also, for experiment, or for storage when not in use, be inserted in the core or at the core edge as a pure reflector element, a fissile element or a breeding element, in a composite form of the latter two elements. The rod may be assembled from separate parts (e.g. in spaced apart relation) and may consist of several sleeves or rods of the relevant material, if necessary with cooling means.
Patent GB-238028-A (GB)
Title: Improvements in or relating to means for applying lubricants
IPC: F16N3/12
Filed: 1924-05-28
Abstract: 238,028. Bayer, P. H. May 28, 1924. Actuating by foot power ; single-acting piston pumps; valveless pumps; suction reservoirs.-A pump barrel o is fed with lubricant by a piston i in a reservoir a, and is discharged therefrom by a pedal-operated plunger p provided with spring- pressed guide rods r. The inlet port t may have a non-return valve.
Patent GB-808373-A (GB)
Title: Improvements in vehicle power-assisted steering mechanism
Inventor: ADAMS FREDERICK JOHN
IPC: B62D5/22
Filed: 1955-05-05
Abstract: 808,373. Vehicle power steering. HYDROSTEER Ltd. May 3, 1956 [May 5, 1955; June 17, 1955], Nos. 13113/55 and 17646/55. Class 79(5) In a vehicle power-assisted steering mechanism having a manually operable steering column 1 operating through a steering gear on the steerable wheels (not shown), the steering gear members having interengaging surfaces inclined with respect to the steering column axis, reaction between the surfaces causes axial movement of the steering column 1 which actuates a power control valve 16 through a transmission member 13, the valve being detachable from the gear and disposed externally of the gear and column. As shown the invention is applied to a steering gear comprising a rack and pinion gear 6, 7, the pinion 6 being carried by the column 1 supported by bearings 2, 3 in gear housing 4 and the rack 7 being connected to the steerable wheels. Axial movement due to gear reaction is limited by a plug 18 engaging the walls 19 of a ring 8 carried by bearings 11 on abutments 9, 10 on the column. Engaging the ring 8 is the member 13 pivoted at 14 in the housing 4 and engaging at 15 a spool member 17 of the control valve 16, whereby reaction in the gear 6, 7 initiates power steering. Axial movement of the column is effected against a restoring spring action. The member 13 can be axially removed from the housing 4 after removal of a plug 22. The invention may be applicable to other than rack and pinion steering gear. The power mechanism (not shown) controlled by the valve may comprise a double acting ram or single acting rams arranged one at each end of the rack. Specification 679,958 is referred to.
Patent GB-271117-A (GB)
IPC: F16H7/08
Filed: 1927-05-16
Abstract: 271,117. Duhamel, M., and Soc. E. & L. Constant. May 15, 1926, [Convention date]. Tension - arrangements.-In means for automatically increasing the tension of belts, cables, and like transmission members with the load, a pair of levers 1, 2, long and short, respectively, which are arranged in pairs interconnected bv cross - stays H, H<1> turn on a fixed or adjustable shaft A and carry a roller D, engaging the slack span of the belt adjacent to the driven pulley N, and a roller E engaging the driving-span. The levers are interconnected by an adjusting-screw F engaging the cross-stays H, H<1>, a hand-wheel nut I, which may be used in conjunction 'with a spring J providing a shock-absorbing connection between the levers, being rotated and locked in position by a nut L for adjusting the angle between the levers. Tightening of the driving-span of the belt produces an amplified movement of the roller D, so that the slack span is tightened and the angle of wrap upon the pulley N is increased. In the Specification as open to inspection under Sect. 91 (3) (a) it is stated that the pivot A may be placed outside the belt spans. In a modification, the shaft A is carried on a plate bolted upon the casing of an electromotor and it is stated that the device may be used for starting and stopping the belt drive. The belt pulleys may be made fast or loose at will bv means of a friction device or other means actuated by suitable engagement mechanism. This subject-matter does not appear in the Specification as accepted.
Patent GB-222061-A (GB)
Title: Improved safety attachment for razor blades
IPC: B26B21/02
Filed: 1924-05-29
Abstract: 222,061. Holdcroft, W. A., Holdcroft, T. H., and Bramley, J. E. May 29, 1924. Razors safety. A safety-guard for ordinary razor blades comprises a thin metal plate a secured to the blade by hook-like prongs c at each lower corner and bv one or more set-screws e passing through overhanging parts d of the guard and engaging the top of the blade, the screws and guard lying in planes on opposite sides of the central plane of the blade. Slots f in the ends of the guard afford accommodation in respect of variation in shape and thickness of the blade.
Patent GB-132003-A (GB)
IPC: F41F5/04
Abstract: 132,003. Thornycroft & Co., J. L, and Hampton, J. Aug. 23, 1918. Laying mines.-Relates to apparatus for dropping one mine or depth charge at a time from a guideway c, and consists in the provision of one or more star-shaped wheels a. on a rotary shaft b carrying a toothed wheel f controlled by an anchor escapement i, j actuated by a handle k or by a piston-rod n. This piston-rod is urged in one direction by a spring s, and in the other direction by fluid pressure admitted to the cylinder p through a valve u, which can also be turned to exhaust. The mines or depth charges d are held by the spokes of the wheels a, and released one at a time at every step of the wheel's rotation.
Patent GB-676334-A (GB)
Title: Method and equipment for the centrifugal casting of metal parts
IPC: B22D13/00
Filed: 1950-05-26
Abstract: 676,334. Centrifugal casting-machines. CITO, C. May 26, 1950 [June 8, 1949], No. 13302/50. Class 83 (i). A centrifugal casting machine comprises a mould having cheeks 3 and 4 and a cylindrical wall 5 with external cooling fins 6, rotated about a horizontal axis by means including a variable speed device 11 and a source of heat such as electrodes 18, 18<SP>1</SP> in the central zone of the mould. The mould is mounted on rollers 7, 8 on shafts 9, 10, the shaft 9 being driven by a motor 12 through variable speed gearing 11 and being coupled by a belt 14 to a blower 13 by which cooling air is directed on to the fins 6 in a direction opposed to the direction of rotation of the mould. For casting steel the inside of the mould is coated with a refractory layer and heated to about 400‹ C. Steel is then poured in, first rapidly and then as slowly as possible at between 1500‹ and 1600‹ C., the rate of cooling being controlled by varying the speed of rotation of the mould and the position of the valve 17 so as to keep the mould at about 550-600‹ C.
Patent GB-772209-A (GB)
Title: Mixing valve
IPC: F16K11/18
Filed: 1955-05-09
Abstract: 772,209. Manually-actuated valves. DOMBRE, P. May 9, 1955 [May 12, 1954], No. 13416/55. Class 135. A mixing valve having two inlets 2a, 2b and at least one outlet 3a, comprises two valves 6, 7 each controlling an inlet and mobile in parallel directions, and a control member 19 having a surface co-operating with the valves for determining their positions, and being angularly mobile around a first axis 15 parallel to the direction of motion of the valves, and around a second axis 20 perpendicular to the first, and being constantly in co-operation with a stop 40 fixed in relation to the directions of movement of the valves. The valves are prevented from being opened by inlet pressure by their stems 22, 23 abutting the disc 19. On rotating the spindle 15 and depressing the handle 24a to remove a cam stop 29 from the path of axial movement of the stem 15, the disc 19 tilts about the point 45 as the pivot 20 moves along the axis of the stem 15 and inlet pressure opens the valves. The proportions of the two fluids to be mixed depends on the rotation of the stem 15 while the quantity of the mixed fluid is determined.by the depression of the handle 24a and therefore the axial movement of the stem 15. Depression of the handle in its position shown in the drawing will produce no opening of the valves since the disc 19 is held fixed at the point 45 and at the right hand side where it abuts the stem of the valve 7. Rotation of the stem 15 so that the handle is perpendicular to the plane of the drawing would enable both valves to be opened by equal amounts. In two alternative embodiments rotation of the stem 15 allows the mixture to go to either a bath or shower outlet controlled by two lift valves operated by a cam disc attached to the stem 15, or by a rotary conical valve slidably splined to the stem 15. In each of these cases the axes of the valves 6, 7 are displaced a greater distance from the axis of the stem 15 than the point 45 so that the valves 6, 7 cannot be opened until the stem 15 has been rotated through a predetermined amount.
Patent GB-544343-A (GB)
Title: Improvements relating to analgesic apparatus
IPC: A61M16/10
Filed: 1940-08-26
Abstract: 544,343. Administering anaesthetics. SVENSKA AKTIEBOLAGET GASACCUMULATOR. Aug. 26, 1940, No. 13460. Convention date, Aug. 24, 1939. [Class 81 (ii)] An appliance for producing and maintaining analgesia includes automatic valve means for releasing a measured quantity of anaesthetic gas for inhaling and means for releasing a second measured quantity of gas for maintaining the analgesia, the release of the second quantity being controlled by the completion of the first inhaling. Two feed chambers 20, 34 are employed, one chamber 20 containing sufficient gas to produce analgesia, the second chamber 34 containing sufficient merely to maintain the analgesia. The second chamber 34 is connected to the first chamber by a valve system which causes the chamber 34 to release its contents when the chamber 20 has been exhausted. The chamber 20, in the form a flexible bag having a device 22 for adjusting its maximum volume, is supplied with gas from a cylinder 1 through a throttle valve 7 and diaphragm chamber 15 as described in Specification 511,559. The chamber 34 is supplied through the throttle valve 7 and a pipe 8. In operation, after the chamber 20 has been exhausted, the inlet valve 11 to the diaphragm chamber 15 opens causing a decrease in pressure in the pipes 5, 8, opening a two-opening valve 27 which supplies gas from the chamber 34 and air from the atmosphere. On exhaustion of the gas from the chamber 34, air only is drawn through the valve 27; further gas is obtainable from the chamber 20 only after a predetermined period dependent upon the amount of opening of the hand-controlled throttle valve 7.
Patent GB-462942-A (GB)
Title: Process for the manufacture of pregnanolones
IPC: C07J75/00
Filed: 1936-05-12
Abstract: Pregnandiones are reduced to pregnanolones by treatment with such metal organic compounds as incline to the formation of unsaturated hydrocarbons followed by the decomposition of the reaction product in a known manner such as for example with water or dilute acid.  A list of suitable metal organic compounds is given in Houben-Weyl, Methoden der organischen Chemie, third edition, volume 2, page 248, and volume 3, page 82, and includes isopropyl magnesium iodide, propyl- and isobutyl cyclohexyl magnesium halogenides.  In examples: (1) an etheral solution of pregnandione is treated with isopropyl magnesium iodide, and the reaction product decomposed with dilute hydrochloric acid to give pregnanolone; (2) pregnandione is treated with isobutyl magnesium iodide as in example (1) and worked up in a similar manner.
Patent GB-134700-A (GB)
IPC: D01H1/20
Abstract: 134,700. Lord, J., and Lord, H. Jan. 9, 1919. Stop-motions.-A flap 25 is arranged adjacent to the path of the cone belt of slubbing, intermediate, and roving frames so as to be moved by a projecting portion thereof, as when a lacing or fastening gives way, and to release the existing knocking-off mechanism to .stop the machine before the belt breaks. The flap, when operated, tilts a lever A and thereby allows a spring rod C to be moved longitudinally and to release a lever 18, which is operatively connected to the knocking-off mechanism and is also released by known mechanism when the bobbins are full. The lever 18 is engaged by a loop c<1> on the rod C, and when moved thereby rises in a slot in a bracket B until a notch 22 engages a plate 20, thereby locking the stop apparatus.
Patent GB-201292-A (GB)
Title: Improvements in or relating to photographic contact-printing apparatus
IPC: G03B27/02
Filed: 1922-05-13
Abstract: 201,292. White, A. L., and Smart, W. F. J. May 13, 1922. Printing-apparatus.-In apparatus in which a printing-aperture is formed in a wall of a chamber enclosing a source of light, the operation of the pressure platen serves to actuate means for ventilating the lighting chamber. The invention is described as applied to apparatus in which the distance between the source of light and the printing-aperture is variable. A chamber C encloses printing-lights E which are mounted on a platform D adjustable vertically by means of screw and bevel gearing operable from an external handle. The pressure platen B, hinged over the printing aperture A<1>, is connected by a cord B<1> with a sliding panel C<2> covering an aperture in the rear wall of the chamber; when the platen is raised, the panel moves downwards to uncover the aperture and ventilate the chamber. Other lighttrapped ventilating-apertures such as C<3> may be provided. A diffusing screen L may be inserted through a hinged flap C', and held in guides below the printing-aperture A'.
Patent GB-972258-A (GB)
Title: Production of synthetic rubbers and/or resins
IPC: C08F136/04
Filed: 1962-04-09
Abstract: Linear synthetic rubbers and/or resins are made by contacting a hydrocarbon stream containing butadiene-1, 3 and at least one non-aromatic alpha-mono-olefin with a lithium based catalyst until at least a portion of the butadiene is polymerized to produce a linear rubbery butadiene polymer containing less than 15% of a polymer having a 1,2-structure. The butadiene polymer is generally separated from the hydrocarbon stream, and the hydrocarbon stream may thereafter be subjected to a dehydrogenation treatment, or subjected to further polymerization in one or more zones utilizing any type of polymerization catalyst but in particular a catalyst of the Ziegler-Natta or chromium oxide type, or organo-lithium compounds. The initial hydrocarbon stream may be obtained by the dehydrogenation of n-butane using the Houdry process, or from a dehydrogenator for producing butadiene from n-butenes, or from the cracking of propane or a mixed hexene stream, or as the bottoms stream from a propanizer. The initial stream may contain besides butadiene, isoprene, butenes, ethylene, propylene, added styrene, chloroprene, trifluorochloroethylene, piperylene, and methyl-butenes. The products obtained include polybutadiene, isotactic butene-1, copolymers of butene-1 and propylene, copolymers of butadiene and styrene, linear copolymers of isoprene and butadiene, copolymers of butene-1 containing significant amounts of isobutene, 3-methyl butene-1, 2-methyl butene-1, and piperylene, polypropylene, copolymers of ethylene and propylene, polypiperylene, and copolymers of 3-methylbutene-1, and 2-methylbutene-1. The initial streams are freed from acetylenic impurities before use. The Specification includes three flow diagrams of process involving formation of the initial streams, polymerization of the streams, and recovery of the polymers. Specifications 826,990, 969,073 and 970,374 are referred to.