baber/WOPTO huggingface dataset:
Patent GB-956733-A (GB)
Title: Railroad skate having lockable retainers
IPC: B61K7/20
Filed: 1962-05-01
Abstract: 956,733. Skid-blocks for braking rail vehicles. SAFETY SKATE CO. Inc. May 1, 1962 [April 5, 1962], No. 16562/62. Heading F2E. A skid-block for braking a rail vehicle comprises a skid bar 10 provided with a pair of retainers 46 which depend from the bar on opposite sides of the head 12 of a rail 16, on which the skid bar is placed, to guide the skid bar along the rail when the bar is moved by the engagement of a vehicle wheel 44 with an upstanding abutment 42 carried by a support 38 secured to the bar 10, each retainer being normally held by a latch 86<SP>1</SP> in depending position, until the head 102<SP>1</SP> of the latch engages a frog on the rail track whereupon the latch is moved to release the retainer, whereby it is raised by the frog to a retracted position. When one retainer is so retracted the other retainer continues to guide the skid-block. The latch consists of a bar 84<SP>1</SP> carrying locking elements 88<SP>1</SP>, 90<SP>1</SP>, co-operating with blocks 80<SP>1</SP>, 70<SP>1</SP> secured to the bar 10 via supports 76<SP>1</SP>, 66<SP>1</SP> which latter guide the retainer by co-operation with hoods 52<SP>1</SP>, 54<SP>1</SP> on the retainer. Stops 112 carried by the support 38 limit upward movement of the retainers. A spring 94<SP>1</SP> acts on a peg 98<SP>1</SP> carried by the latch bar to retain the latter in locking position with the elements 88<SP>1</SP>, 90<SP>1</SP> either below or above the blocks 80<SP>1</SP>, 70<SP>1</SP>. In operation, the wheel 44 of a moving vehicle rides up a ramp 32 pivoted at 36 to the bar 10 and engages the abutment 42, causing the bar 10 to slide on the rail head 12 to brake the vehicle, the retainers being initially locked in depending positions to guide the skid-block along the rail. Should a frog be encountered on one side of the rail this first engages the head 102<SP>1</SP> of the corresponding latch bar, moving it to unlocking position in which the elements 88<SP>1</SP>, 90<SP>1</SP> are moved clear of blocks 80<SP>1</SP>, 70<SP>1</SP>, relative rotation between the latch bar and the retainer being prevented by the engagement of rib 104<SP>1</SP> on the head 102<SP>1</SP> with groove 106<SP>1</SP> on the retainer. The forward edge 110<SP>1</SP> of the retainer subsequently engages the frog so that the retainer is raised to retracted position, after which spring 94<SP>1</SP> is enabled to return the latch bar so that elements 88<SP>1</SP>, 90<SP>1</SP> engage above the blocks 80<SP>1</SP>, 70<SP>1</SP> to lock the retainer in raised position.
Patent GB-624270-A (GB)
Title: Improvements in or relating to cable drums
IPC: B66D1/34
Filed: 1947-06-23
Abstract: 624,270. Cable drums. LETOURNEAU Inc., R. G. June 23, 1947, No. 16563. Convention date, July 5, 1946. [Class 99(ii)] For securing the end of a cable to a drum on which it is to be wound, the drum is provided with a transverse bore 4 of about the same diameter as the cable. The cable end is pushed into the bore and bent back on itself over the rounded shoulder 9.
Patent GB-957239-A (GB)
Title: Improvements in or relating to toys
Inventor: STEEDMAN JOHN ALFRED
IPC: A63H17/26
Filed: 1962-05-01
Abstract: 957,239. Toy vehicles. AIRFIX PRODUCTS Ltd. April 22, 1963 [May 1, 1962], No. 16597/62. Heading A6S. In a toy vehicle having a guide post 4 engaging a trackway groove, a further post 5 in advance of the guide post 4 moves the wheels about vertical axes of trunnions 12 by means of a track bar 20 so that the vehicle follows variations in the direction of the guide groove. The axle comprises two portions 7 and 8 joined together by eyelets 10. The upper portion 8 has longitudinally extending trunnion members 9 to permit the axle assembly to tilt in relation to the body of the vehicle.
Patent GB-955402-A (GB)
Title: Thermally responsive switch device
IPC: H01H35/26
Filed: 1962-05-01
Abstract: 955,402. Thermal switches. RANCO Inc. May 1, 1962 [May 5, 1961], No. 16602/62. Heading H2B. A thermostat for use in refrigerators, airconditioners and the like has a housing comprising three walls 11c, 11a and 11b of a channelshaped sheet metal member 11 closed at one end by an insulating member 12 retained by bosses 12e extending through openings in member 11, and closed at the other end by a plate 44 held by lugs 11e. An insulating cover 14 slides between walls 11a and 11b and is held by their inturned edges. The insulating member 12 carries a fixed contact 20 on a terminal bracket 19, and a moving contact 18 on a resilient arm 17, while at the other end of the housing the plate 44 carries thermally-responsive bellows 40 coupled to the moving contact via a snap-action mechanism comprising bell-crank members 22 and 23 interconnected by a C- spring 24. Member 22 is of insulating material shaped for engaging the free end of arm 17 as shown, and also comprises a metal plate 22b formed with knife edges 25 pivoted in notches 26 in member 12. The member 23 is a sheet metal stamping pivoted on a triangular section pin 29 extending between walls 11a and 11b and carries an adjustable screw 41 abutting a post 40a on temperature-responsive bellows 40 under action of a spring 48 connected to a lug 49 bent up from member 23. Spring 48 is connected at its other end to an adjusting lever 52 by means of screw 50 and nut member 51 lodged in the convolutions of spring 48. Lever 52 has spaced bearing portions 52a pivoted in slots 53 in wall 11a and an upstanding lug 52b which passes through a slot in wall 11b to engage a cam 55 manually rotatable by a shaft 56 journalled in wall 11b. A screw 34 and a bendable lug 38 on terminal bracket 19 form stops for member 22 to preset the switch differential, while screws 41 and 50 are preset to provide the required range of control by cam 55. An over-riding " OFF " position is provided by a high rise 55a on cam 55 which may be brought to bear on follower 52b such that a hook member 59 on lever 52 is moved into engagement with a hook-like extension 58 on member 23 and thereby maintains contacts 18, 20 open regardless of temperature changes. The modified embodiment of Fig. 8 has a preset " cut-in" " temperature since the cam 55<SP>1</SP> does not move follower 52b except for the OFF condition, and the " cut-out " temperature is controlled by a further cam 65 on shaft 56 but inside the housing and acting on an extension arm 67 of member 22. In this embodiment lug 38 is replaced by an adjustable fixed. contact 68.
Patent GB-873197-A (GB)
Title: Improvements in or relating to surgical pads and the like
IPC: A61F13/06
Filed: 1960-05-11
Abstract: A protective pad for foot ailments, abrasions or cuts comprises a sheet of long-piled fabric having an adhesive coating on its rear surface.  It is shaped according to its intended purpose and, on its rear face, it may have an additional apertured layer to hold it clear of a sensitive area.
Patent GB-434982-A (GB)
Title: Improvements in magnifying glasses
IPC: G02B25/00
Filed: 1934-06-05
Abstract: 434,982. Magnifying - lenses. SENDLINGER OPTISCHE GLASWERKE GES., Goerz-Allee, Zehlendorf, Berlin. June 5, 1934, No. 16659. Convention date, June 7, 1933. Drawings to Specification. [Class 97 (i)] A magnifying-lens to be placed on the body to be examined has its refracting surface facing the observer in the form of a spherical segment less than a hemisphere and subtending an angle of approximately 140‹ at the centre of the sphere, the body to be examined being in the plane in which the intensity of the rays refracted by the spherical surface is a maximum. For glass of which the refractive index is 1À52, the medial thickness of the lens is greater than the radius of curvature of the spherical surface and not more than 1À5 times this radius. The base of the lens may be slightly concave to prevent scratching and may be provided with a scale.
Patent GB-722363-A (GB)
Title: Change speed gear of the chain shifting type for bicycles and the like vehicles
IPC: B62M9/1248
Filed: 1952-07-02
Abstract: 722,363. Chain shift change speed gearing. JUY, L. C. H. July 2, 1952 [Aug. 24,. 1951], No. 16670/52. Class 80 (2). Chain shift change speed gearing of the type described in Specification 622,249 for bicycles &c., comprises a carrier arm 6, Fig. 1, pivotally secured to a plate 1 on the bicycle &c., frame 2, its free end carrying a device controlling the to-and-fro movement of the chain 8, while a spring 11, Figs. 2, 5. exerts on the carrier arm an adjustable thrust urging it rearwardly with respect to the frame, the device controlling the to-and-fro movement being constituted by a sleeve 15, Fig. 3, screwed into the carrier arm and within which is slidable and revolvable a spindle 16, the outer end of which is secured to a chain tensioning arm 7 carrying at each of its ends a roller 9, 10. The spindle. 16 is connected with a control cable 19 and surrounded by a coil spring 17 under tension between the carrier and tensioning arms, a washer 24, Figs. 3, 6, being provided for angularly shifting the sleeve 15 independently of the drawing action of the cable 19 upon it, to permit transverse adjustment of the chain tensioning arm and the rollers in the plane of the sprockets selectively engaged by the chain. The washer 24 has two flat internal surfaces 24<SP>1</SP>, Fig. 6, engaging corresponding surfaces on the sleeve 15 so that, the sleeve having threaded engagement with the carrier arm 6, rotation of the washer turns the sleeve which moves axially with respect to the arm. The parts are locked together by a nut 20 through a hole in which passes a small chain 18 connected between the spindle 16 and cable 19. The spindle and slseve are surrounded by a protective spring guard 23 and the ends ot the spring .17 are attached to cup-shaped members 21, 25, a projection 17', Fig. 2, at the end of the spring engaging in one of a number of notches in the cup-member 21 to enable the tension of the spring to be adjusted. The other end of the spring 17 is connected to a cable 26 varying its tension concomitantly with change of speed, substantially as described in Specification 684,211, so that the tension in the slack part of driving chain 8 is constant and independent of the driving sprocket engaged. The means for adjusting the tension in the spring 11, coaxial with the pivot of the plate 1, consists of a cylindrical member 14, Fig. 5, having a diametral bore through which one end of the spring is passed, its other end 11', Fig. 2, resting against the arm 6, the cylindrical member 14 being rotated to adjust the tension and then locked in position by a screw 13 passing through the unthreaded bore of a spindle 1<SP>2</SP> threaded into the plate 1. A stop 31, Fig. 2, or the like, is provided on the arm 6 to prevent its rearward movement when changing a wheel &c. Specification 618,348 also is referred to.
Patent GB-773008-A (GB)
Title: Boom end fitting
IPC: B63H9/06
Filed: 1955-06-10
Abstract: 773,008. Booms. SMALLPEICE. C. D. P. Oct. 17, 1955 [June 10. 1955]. No. 16685/55. Class 115. A fitting 17 at the end of a boom 11 has a spherical type joint 18 for releasable engagement with a coacting element 19 fast with the mast 13 and a means for attaching the sail to the boom, the joint and sail-attachment means being operable to their releasing positions by the action of a single latch or of a latch and withdrawable plunger respectively. An eye 32 fast with the sail is held in jaws 31, 31a on the fitting 17 by a spring-loaded plunger 25 which has an abutment 29 bearing on a latch plate 22 for urging the nose 30 of the latter into a position to obstruct withdrawal of the cup 18 from the ball 19. A pull on a lanyard 34 attached to the latch plate will move the latter to release the ball 19 and the eye 32.
Patent GB-515572-A (GB)
Title: Method and apparatus for the manufacture of mattresses and the like
IPC: B68G15/00
Filed: 1938-06-03
Abstract: 515,572. Mattresses. EARLE, R. W. June 3, 1938, No. 16726. [Class 52 (iv)] Means for tufting mattresses and the like comprises 'two frames 10, 11 each carrying a series of spaced bars 17 and arranged one on each side of the mattress with the bars in engagement with the mattress surface, the frames 10, 11 being hinged together in spaced relation at one edge and provided with a catch at the other edge for maintaining the frames parallel. The mattress is positioned on the frame 10 when the latter is lowered to horizontal position and is clamped by lowering the other frame 11 upon the mattress and engaging the catch 19, 21. The frames 10, 11 with the mattress are then swung upwardly to vertical position and clamped to a frame 15, 16 by clamp 27. In tufting the tape &c. 41, having an enlargement at each end is threaded on a needle 40 and passed through apertures 18 in the angle bars 17 and through the mattress. To release the mattress the frames 10, 11 are lowered and a pivoted weight 24 is caused to release the catch 19, 21.
Patent GB-636560-A (GB)
Title: Improvements in or relating to the preparation of iron oxide reagent
IPC: C10K1/20
Filed: 1947-06-25
Abstract: Mechanically strong iron oxide pellets or nodules, of approximately spherical shape, containing no binder are formed by rolling dried and powdered hydrated ferric oxide of such particle size as to pass an 18-mesh sieve, in a drum inclined at about 15 degrees, rotating at a peripheral speed of about 100 feet per minute, while slowly adding water.  The nodules over 1/8 inch diameter are discarded and the remainder re-rolled with more iron oxide with the slow addition of water to bring them up to the required size.  Specification 567,231 and 583,809 are referred to.ALSO:Mechanically strong iron oxide pellets or nodules, of approximately spherical shape, containing no binder are formed by rolling dried and powdered hydrated ferric oxide of such particle size as to pass an 18 mesh sieve in a drum inclined at 15 degrees rotating at a peripheral speed of about 100 feet per minute, while slowly adding water.  The nodules over 1/8 inch diameter are discarded and the remainder rerolled with more iron oxide with the slow addition of water to bring them up to the required size. Specifications 567,231 and 583,809, [both in Group III], are referred to.
Patent GB-1055337-A (GB)
Title: Substituted succinic acid esters
IPC: C10M133/54
Filed: 1964-04-23
Abstract: Additives for lubricating oils, hydrocarbon oils and power transmitting fluids are oil-soluble esters of hydrocarbon substituted succinic acid, the hydrocarbon being saturated and being a polymer containing at least 50 aliphatic carbon atoms. Examples of the ester are the dimethyl ester of polyisobutene succinic anhydride, the polyisobutene succinic anhydride which has been esterified with polyethylene glycol and further reacted with barium oxide to produce a mixed ester-metal salt and the polyisobutene succinic anhydride which has been esterified with a styrene-allyl alcohol copolymer and then reacted with propylene oxide.  Examples are given of the addition of these esters to SAE mineral lubricating oils which may also include the usual additives especially the metal phosphor dithioates and their epoxide adducts.ALSO:The invention comprises an oil-soluble ester of a hydrocarbon-substituted succinic acid, the hydrocarbon being saturated and being a polymer containing at least 50 aliphatic carbon atoms.  The ester may be prepared by reacting an alcohol or phenol with a hydrocarbon-substituted succinic anhydride or acid, preferably at 150 DEG  to 300 DEG  C. and in the presence of an esterification catalyst, by reacting an epoxide or a mixture of an epoxide and water with a hydrocarbon substituted succinic anhydride or acid or acid halide, by reacting maleic acid or anhydride with an alcohol and reacting the obtained mono- or di-ester of maleic acid with the polyolefin, and, finally by esterifying itaconic anhydride or acid and then reacting with the polyolefin.  The preferred method is by reacting a polyhydric alcohol having 2-10 OH radicals with 0.5-10 moles of hydrocarbon-substituted succinic anhydride, the hydrocarbon being a polymer of a C2- 6 mono-olefin having a M.Wt. of 700-5000.  The examples relate to the treatment of polyisobutene succinic anhydride and of the succinic anhydride of the copolymer of 90 isobutene and 10 piperylene.  The esters may be used as lubricant addititives.
Patent GB-297507-A (GB)
Title: Improvements in or relating to radio receiving arrangements
IPC: H03D7/08
Filed: 1927-06-24
Abstract: 297,507. Standard Telephones & Cables, Ltd., and McPherson, W. L. June 24, 1927. Thermionic heterodyne receivers.-The local oscillator 0 of a heterodyne or superheterodyne receiving system is provided with a grid leak resistance 14 and condenser 15 having such values as to maintain the voltage induced by the oscillator into the coupling coil 2 constant over the whole frequency range of the oscillator. The separate valve D which is used to detect the resulting beat note is thus enabled to operate at maximum efficiency throughout that range. The frequency of the oscillator output is determined by the circuit 4, 8, 11, the plate coil being divided into two parts by a condenser 7. When the condenser 15 has a value of 0.005 mfds., the resistance 14 is approximately 12000 ohms.
Patent GB-682511-A (GB)
Title: Improvements relating to electric lamps
Inventor: FLAY JAMES REGINALD
IPC: F21V19/00
Filed: 1949-06-27
Abstract: 682,511. Securing electric bulbs in lamps. LUCAS, Ltd., J. June 21, 1950 [June 27, 1949], No. 16952/49. Class 75(iv) [Also in Group XXXVI] In a lamp in which an electric bulb e is inserted through a hole in the reflector a from the rear and is positioned by a collar f on the bulb cap abutting a shoulder around the hole, a lamp socket c on the reflector is formed with an annular shoulder d serving as the abutment shoulder for the collar on the bulb cap and with an outwardly (radially) extending flange h which has formed thereon a plurality of notches i and between them indentation recessses k, and a ring m having one or more spring loaded contacts r and a plurality of inward projections o is removably engaged with the flange h by passing the projection o through the notches i and rotating the ring until the projections are lodged in the recesses k, the angular movement of the ring being limited by a stop piece j, Fig. 3, received in a segmental notch p (not shown), in the inner periphery of the rear face of the ring. Notches may be formed in the rear face of the ring opposite the projection o.
Patent GB-651512-A (GB)
Title: Concrete flooring, particularly for dwelling-houses
IPC: E04B5/14
Filed: 1946-06-04
Abstract: 651,512. Floors; girders; scaffolding; balconies. WELSCHEN, F. H. June 4, 1946, No. 16959. Convention date, June 4, 1945. [Classes 20(i), 20(ii) and 20(iv)] A concrete floor comprises prefabricated reinforced parallel principal beams 3 on which floor slabs 5 rest and :are spaced by ribs 10 of the beams of less height than the slabs, reinforcing wires 26 twisted together and passing through and over the beams in vertical planes between the slabs, beams 4 cast in situ around the wires, and concrete 6 cast in situ above the beams 3 to the level of the slabs, As shown, each beam 3 has reinforcements including a pre-tensioned wire projecting from each end into main joists 1, 2, Fig. 1, and wire stirrups 9, Fig. 4, the ends of which project into the concrete 6. The rib 10 is of dove-tail section and has enlarged portions 11, Fig. 8, against which the slabs '5 abut. A wood strip 12, embedded in the base of the beam, can be used for supporting shuttering, attaching a ceiling, and receiving tubes 14, e.g. for electric wires. The slabs 5 have crossed wire reinforcements which project into the spaces between the 'slabs and are twisted together, and weightreducing cavities 19 and channels 20 on the lower face. Cavities 21 in the sides of the slabs and projections 27 on the beam 3 improve the bond with the concrete cast in situ. The slabs may include an upper layer of nailable material. The Specification as open to inspectior under Sect. 91 describes also a scaffolding and a balcony construction. As shown ir Fig. 11 (Cancelled), a scaffolding comprises wood cantilever beams 30 bolted to the ends of beams 3 and supporting boards 32 and handrails 33. The beams have wedgeshaped parts 36 which together with a filling piece 37 enables them to be easily loosened from the shuttering for the joist 2. In the case of a row of houses, a number of these scaffoldings can be arranged step-wise. Where the scaffolding is to be used as temporary support for a balcony, the boards 32 are replaced by boards 34 bolted underneath the beams 30. The balcony comprises a concrete cantilever portion 38, Fig. 14 (Cancelled) integral with the joist 2, and reinforced concrete beams 39, similar in cross-section to the beams 3 and supporting similar slabs 5. Each beam 39 has protuberances 40 along the sides of a portion embedded in the concrete 2 and 38, and a stepped abutment 30<SP>1</SP> for engaging the similarly formed end of a beam 3, Fig. 18 (Cancelled). Reinforcing rods project from each beam into grooves or apertures in the other, and further transverse rods 52, 53, 57 are provided. The main reinforcing rod of the beam 39 is bent at right angles at its other end to form a portion 49, Fig. 14, for the connection of balusters &c. This subject-matter does not appear in the Specification as accepted.
Patent GB-121767-A (GB)
Title: Improvements in the Springing of Road or Rail Vehicles.
Inventor: LANCHESTER FREDERICK WILLIAM
IPC: B60G11/56
Filed: 1917-11-19
Abstract: 121,767. Lanchester, F. W. Nov. 19, 1917. Hydraulic and like springs.-A liquid-in.compression spring, as described in Specification 121,765, is provided with a pump by which liquid under atmospheric pressure is transferred to the pressure reservoir by extreme motions of the suspension plunger. The suspension plunger a<1> in its upmost position strikes a headed rod m<1> which forces up a piston m<3> moving in a cylinder n<1> and forced into its lowest position by a spigot m<5> and pressure spring m<4>. The piston m<3> in rising draws in liquid on its under side from reservoir o<1> and at the same time passes liquid under compression from its upper side through passages n<2>, n<3> to the pressure reservoir D. On the down-stroke, the piston m<3> passes the liquid trapped below it through the valve p<3> to its upper side. In a modified form, the piston in rising forces liquid trapped above it into the pressure reservoir, and in its down-stroke draws liquid from the supply reservoir into the space above the piston.
Patent GB-1284071-A (GB)
Title: A method of decontaminating uranium
IPC: C01G43/06
Filed: 1955-06-13
Abstract: 1284071 Uranium fluoride UNITED KING- DOM ATOMIC ENERGY AUTHORITY 13 June 1955 [18 June 1954] 17027/55 Heading C1A [Also in Division G6] Uranium is decontaminated from impurities by dissolving in a liquid fluorination solution comprising chlorine trifluoride and hydrogen fluoride in a mole ratio of 0À1 to 2À0 and also at least 0À1 mole of UF 6  per mole of HF in excess of the HF requirements of the HF.2ClF 3  azeotrope, and fractionally distilling the product to obtain a low boiling fraction, which is used for further dissolution of uranium, and a fraction containing purified UF 6  product. The process is especially suitable for the purification of uranium contaminated with plutonium and fission products, yielding UF 6  which may be used as feed to a gaseous diffusion plant. The dissolution may be carried out at raised temperature (e.g. 80 C.) under pressure in an atmosphere of helium or fluorine. Chlorine monofluoride, which results from the dissolution, may be led together with fluorine over a copper, silver, or nickel catalyst at 250-350 C. to re-form ClF 3  for return to the dissolving vessel. Preferably, the low boiling fraction and the UF 6  are distilled off together and are then separated by a second distillation. The residue contains fluorides of plutonium and fission products and may be dissolved in acidified aluminium nitrate solution and extracted with a solvent to recover plutonium. Specification 840,311 is referred to.