baber/WOPTO huggingface dataset:
Patent GB-888811-A (GB)
Title: Vacuum sealing apparatus
Inventor: STURTIVANT JOHN THOMAS
IPC: B65B31/02
Filed: 1959-05-07
Abstract: 888,811. Packaging. GAMBLE, H. Aug. 8, 1960 [May 7, 1959], No. 15619/59. Class 94(1). Apparatus for evacuating and sealing pouches comprises a vacuum hood 1 containing pouch sealing means, and movable between two sealing stations A, B and a loading and unloading station C, and two pouch support platforms 15, 16 on a carriage 17 each of which is movable in synchronism with the vacuum head between the station C and one of the stations A, B. The hood 1 is mounted on pivoted arms 2 on a trolley 3 running in guides 4 and is raised and lowered by a pneumatic jack 5 acting on a pressure bar 6 extending the length of the machine and bearing on the arms 2. The trolley 3 is moved along the guides 4 by a reversible motor 11 and a chain drive 12. At the commencement of operation the filled pouches are placed over the sealing abutments 20 on the platform 16, which is at the station C, and the motor 11 started so that the trolley 3 and hood 1 are moved from station A to station C. As the trolley 3 reaches the station C the hood is lowered into sealing contact with the platform 16 and subjected to vacuum. Simultaneously the trolley engages an abutment 19 on the carriage 17 to move the platform 16 to the sealing station B and the platform 15 to the loading and unloading station C. When the pouches on the paltform 16 have been sealed by the sealing means within the hood, the sealing means is moved to the inoperative position by a pressure sensitive and time control switch, and a pressure relief valve is opened. Meanwhile platform 15 has been re-loaded and the sequence of operations is repeated. The hood may be raised and lowered by a hydraulic jack carried by the trolley, or by cams. The pouches may be filled with inert gas after evacuation.
Patent GB-457479-A (GB)
Title: Non-skid wheel gripping device applicable to road wheels of mechanically propelled vehicles
IPC: B60C27/22
Filed: 1935-05-30
Abstract: 457,479. Vehicle wheels. GIBSON, J., Ballyvoe House, and O'DEA, M., 1, St. Anthony's Terrace, both in Ennis, Co. Clare, Irish Free State. May 30, 1935, No. 15694. [Class 144 (i)] A series of tread shoes 9, carried on arms 1 pivoted to a ring 3 which is rotatably mounted on the rear-axle casing, are adapted to be retained in the inoperative position shown in Fig. 1, or rocked so as to grip the tyre and rotate with the wheel. The arms 1 are also pivoted to ring-segments 6 having pin-andslot end-connections. For manual operation, a shaft 48, adapted to be rocked by means of a treadle 43 and cable 46, carries a detent 13 which normally engages a stud 14 projecting from the ring 3 whereby the latter is held against rotation. For automatic operation on the occurrence of side-slip, a castor-wheel 15, mounted directly under the axle, is carried by a rocking-lever 27 the upper end of which is keyed through an arm 29 to a spindle 25 fitted with a cam 23 which controls the operation of the tread shoes. The cam 23 is arranged to actuate a lever 19 by which the shaft 48 is rocked to move the detent 13 clear of the stud 14. The wheel 15 is raised clear of the ground, against the pressure of a spring 30, by a hand-lever 47 and cable-connection 42 to a crank 39 fitted under the cam 23. British Specification 25380/06, [Class 108], and U.S.A. Specification 1,846,335 are referred to.
Patent GB-389320-A (GB)
Title: Improvements in radiators for cooling liquids
IPC: F01P11/02
Filed: 1932-06-04
Abstract: 389,320. Cooling cylinders. COLLIER, W. H., New Southern Hotel, Ja c k s o n , Tennessee, U.S.A. June 4, 1932, No. 15748. [Class 7 (ii).] The volume of the lower tank 12 of the radiator of a cooling water system, or a chamber connected thereto, is caused to vary inversely with the temperature of the cooling liquid by the insertion of an expansible bellows 15 which contracts sufficiently when the cooling liquid is near its freezing point to allow all the liquid in the radiator to run into the tank or chamber. The tank or chamber may be provided with a heat insulating air jacket. A connection 20 is provided in the water circulation system to prevent water siphoning out of the cylinder jackets when the water level in the radiator falls.
Patent GB-144718-A (GB)
Title: Improvements in automatic train stops
IPC: B61L3/04
Filed: 1920-06-11
Abstract: 144,718. Sutton, J. June 8, 1915, [Convention date]. Track apparatus for stopping trains. - The throttle lever 31 and brake valve lever 59 are actuated to stop the train by the piston 37 in a cylinder to which pressure fluid from the reservoir 43 is supplied through a two-way valve 44 actuated by a lug 51 on a vertically sliding rod 52 which is engaged and depressed by one or other of the bell crank levers 57 when a track contact 14 in its raised position is passed. The valve 44 is re-set by the driver and then puts the cylinder in connexion with the atmosphere. The track contact 14 is counterweighted to move to the clear position and is retained in its raised position by the lever 19 which passes through slots in sliding bars 22, 23 inserted in the signal operating wires of home and distant signals 26, 30; the track contact is only free to move to clear position if both signals are at " clear. "
Patent GB-565641-A (GB)
Title: Needle-bar mechanism for sewing machines
IPC: D05B55/14
Filed: 1943-04-13
Abstract: 565,641. Sewing-machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.). April 13, 1943, No. 15892/44. Divided out of 565,581. [Class 112] The machine, which is described in Specification 565,581, is equipped with two needle-bars 67, 68, coupled together by telescopic parts 75, 76, 77 and mounted to reciprocate in a frame 69. The frame is carried on fulcrum pins 31, 70 and is oscillated by an arm 34 which is actuated by an eccentric 41 on the main shaft 7. The axis of the pins 31, 70 is substantially collinear with the centre of mass of the needlebar-frame and the needle-bars when the latter are at the lowest ends of their strokes. The connection 75 ... 77 allows lost motion between - the needle-bars and compensates for any slight errors in parallelism. An actuating crank 9 on the shaft 7 drives the needle-bars by a link 18. The eccentric 41 is adjustable as described in Specifications 446,477 and 491,083. Two presser bars 80, 79 have separate springs 81, 82, controlled by adjusting screws 85, 84. To prevent the bars from turning, collars 87 have guide arms 89 attached, the free ends of which extend into guide slots 91 in the head 4 and overlie the ends of a limb 92 of a member 93 which is connected to a treadle or knee-shift mechanism. A hand-controlled presser-foot lifting lever 94 has a cam section which may engage the member 93. A spring 97 holds the member 93 down. An adjustable stop is provided.
Patent GB-622226-A (GB)
Title: An improved dartboard
IPC: F41J3/00
Filed: 1946-05-25
Abstract: 622,226. Dartboards. ROBINSON, C. A. May 25, 1946, No. 15900. [Class 132 (iii)] A dartboard for playing a game of " snooker " is provided with a wire frame so-shaped as to define a plurality of circular scoring areas on the board, the areas being coloured to represent a set of snooker balls and a plurality of detachable discs (Fig. 2) also being provided, each disc being adapted to cover a scoring area in accordance with the rules of the game and having a centrally disposed pin for insertion in the board.
Patent GB-159306-A (GB)
Abstract: 159,306. Anderson, H. P. H. Nov. 24, 1919. Fluid actuation.-Mechanism for starting and stopping electric motors which operate pumps comprises an oscillatory member acted on by fluid pressure variations and a unidirectional transmission gear to a rotary motor-starting and stopping switch. The apparatus shown in the Figure is adapted to maintain a uniform pressure in one or the other of two hydraulic mains 10, 11. The oscillatory member is m the form of a rocking beam 21 mounted on a pivot 22 and linked at opposite ends to a pair of rams 16, 17 working in cylinders which branch off the respective mains. Springs 24, 25 are mounted so as to oppose the rise but not the fall of either ram. An excess of pressure in one or other of the mains rocks the beam and a toothed sector 32 transmits the motion through a pawl and ratchet and gear wheels to a rotary arm switch 40, the switch receiving an impulse in the direction of the arrow irrespective of the direction of the oscillation of the beam. A sufficient degree of movement changes the position of the switch from "on" to " off " and vice-versa, the motor which pumps fluid into the mains being thus started or stopped.
Patent GB-912749-A (GB)
Title: Improvements in and relating to electrical apparatus having an induction disc armature
Inventor: DRANSFIELD DESMOND
IPC: G01R11/40
Filed: 1958-05-19
Abstract: 912,749. Induction type supply meters. ENGLISH ELECTRIC CO. Ltd. May 15, 1959 [May 19, 1958], No. 15939/58. Drawings to Specification. Class 37. In electrical apparatus of the kind having an induction disc armature which is divided into inner and outer electro-conductive portions, the division or electrical separation is achieved by one or more part-circular slit-like perforations which form an almost completely closed ring intermediate the centre of the disc and its periphery. The perforation may comprise one or two concentric rings of slits or interleaved slits having two parts staggered, one part being in an inner ring and one part in an outer ring. The slits may be connected with radial slits or separate radial slits may be provided, and material of poor conductivity may be injected into the slits. Specification 661,496 is referred to.
Patent GB-1030565-A (GB)
Title: Hair trimming implement
IPC: B26B21/12
Filed: 1965-04-14
Abstract: 1,030,565. Hair trimmers. ORSYN INVESTMENTS Ltd. April 14, 1965 [May 4, 1964], No. 15943/65. Heading B4B. A hair trimmer comprises a body portion 10 and integral handles 12, 14, the portion 10 having comb teeth 18 extending from and making an angle of between 20 degrees and 45 degrees with a respective edge 16, the teeth extending from one edge being longer than those extending from the other edge, studs 20 on the portion 10 being engageable with sockets 32 on a cover 30 to secure razor blades 22 with their cutting edges parallel to the edges 16 and sockets 26, 28 on the portion 10 being engageable respectively by a stud 34 on the cover 30 and by studs 38 at the ends of cantilevered arms 36 also on the cover, the teeth 18<SP>1</SP> on the cover being longer than the teeth 18. Alternatively, the side edges of the body portion may be parallel to one another and the handles offset from the body portion.
Patent GB-581286-A (GB)
Title: Improvements in or relating to pyrophoric lighters
IPC: F23Q2/08
Filed: 1944-08-22
Abstract: 581,286. Pocket igniters. CAMM, F. J. Aug. 22, 1944, No. 15991. [Class 75 (iii)] A pyrophoric lighter has a flint magazine 8 contained in a casing 7. Fig. 4 shows a section through the magazine, which has pockets, each adapted to hold a single flint 6 The upper edge of the barrel has a projecting flange 10, and the flints are fed into the barrel through an orifice closed by a plug, 11 The wick projects through a hole 26 in the nipple 23, the hole being helically undulated so that on gripping the end of the wick and rotating the projecting flange 24, the wick is raised or lowered. The mechanism for guarding and rotating the wheel comprises an arm 27, carrying a wick-protecting block 28, and attached to a housing 29 which protects the wheel. The arm 33 engages studs in the housing and carries a plunger 35. When the plunger is depressed, the arms take up the positions, dotted in Fig. 1, and a pawl 32 causes the wheel to rotate, and so light the wick in the usual manner. To place a new flint in position the spring 13 is released by unscrewing the head 17, and the piston 12 drops clear of the magazine. The barrel 8 is rotated by the flange 10 till a new flint comes over the orifice, and then the spring is recompressed to force the flint against the wheel. There are modifications in which the magazine has a horizontal axis or in which the flints are arranged horizontally above each other and fed by a spring to an abrasive wheel on a vertical axis. The Provisional Specification states that a foraminous cage may contain the wick in the receptacle.
Patent GB-295472-A (GB)
Title: Improvements in or relating to eraser holders
IPC: B43L19/00
Filed: 1927-06-16
Abstract: 295,472. Royal Sovereign Pencil Co., Ltd., and Charnaud, P. B. W. June 16, 1927. Eraser holders; pencil point - protectors.-An eraser holder, formed integral with a body part A, adapted to be secured to the end of a pencil or to be detachably mounted thereon and to serve as a point protector, is formed with flexible. or resilient jaws or fingers a to receive. the eraser B and to be forced to grip the eraser by means of a sliding embracing member C. The member C may be of ring-like form and may be elongated to act as a protector for the eraser when slidden outwardly.
Patent GB-846854-A (GB)
Title: Improvements in hydrofining lubricating oil
IPC: C10G49/00
Filed: 1959-05-12
Abstract: Lubricating oils are improved in colour without substantial sulphur removal by hydrofining in the presence of steam in an amount of 5 to 50% vol based on the hydrogen atmosphere on 0.25 to 20 lbs./bbl. based on the oil feed.  Hydrofining conditions specified are 250-1500 p.s.i.g.; 0.2-4 V/V/Hr.; and respective H2 feed and consumption of 10-1000 and <100 SCF/Bbl.  The steam may be added to the hydrogen or water or steam may be introduced into either the reaction or the oil feed.  Any hydrofining catalyst may be used cobalt molybdate or molybdenum sulphide or alumina being preferred.  The examples contrast hydrofining with steam at 500 DEG F. to hydrofining without steam at 500 DEG  and 600 DEG F.
Patent GB-805598-A (GB)
Title: Improvements relating to the fabrication of steel tubes
Inventor: HELMUT BENTELER
IPC: B21B17/04
Filed: 1956-05-16
Abstract: 805,598. Rolling tubes. DELTA-KUHLSCHRANK G.m.b.H. May 16, 1956 [May 17, 1955; April 27, 1956], No. 15213/56. Class 83 (4). In a method of continuous cold rolling steel tubes down to diameters of 4-20 mm. a plurality of roller sets arranged in the direction of travel and staggered about the axis of the tube each engage only a restricted portion of the periphery and are driven at successively greater speeds to raise the material above its yield point between suceessive stages. Each roll pass may comprise a pair of rolls 11a, 11b, Fig. 7, having regions extending over an angle α of about 110 degrees which engage and reduce the thickness of the tube and having recessed regions 16 in which the tube can separate from the mandrel bar 15 and is free to stretch longitudinally with the rolled areas. In a modification the roll pass may comprise a group of three co-operating rolls 22, Fig. 8, engaging the tube 14 over an angle # of about 70 degrees. Each set of rolls 2, Fig. 2, is driven from an asynchronous motor 1 through a telescopic shaft 5 and bevel wheel couplings 4, 6 which drive a gearbox 8 having shafts 10s, 10b coupled to the individual rolls 11a, 11b. Backing rolls 12a, 12b, Fig. 5, hold the working rolls in position and are mounted at their ends in bearing housing 17a, 17b which are adjustable on screw spindles 18a, 18b to vary the pass. Every third roll pass and the final pass may be circular to give the tube the required circular form.
Patent GB-457618-A (GB)
Title: Improvements in and relating to air cooling systems for internal combustion engines
IPC: F01P5/02
Filed: 1935-06-05
Abstract: 457,618. Engine hoods or casings; cooling engines. NORTH, O. D., 76, Elm Park Mansions, Park Walk, Chelsea, and HUGH, P. G., and SCAMMELL LORRIES, Ltd., 52, High Holborn, both in London. June 5, 1935, No. 16342. [Class 79 (iii)] A cover for an exposed engine on an open chassis frame, such as described in Specification 457,607 is arranged to concentrate the cooling draught around the engine when running and to conserve the heat when stationary. The hood 1, which, in the form shown, is of constant height but increases in width from front to rear, is of arch-form merging into vertical side walls, with end walls 1<b>, 1<c> enclosing the engine and a front fan 3 driven by a dynamo 4. The base is open, the side walls being supported from the chassis longitudinals 11 by inclined plates 10. Abutting against the front edges of the plates 10 is a channelled or flanged partition 13 notched to fit between the longitudinals 11 and with an opening in which is mounted the fan 3. The dynamo is mounted on a front support 20 and a bracket 18 attached to the partition. The engine is at the rear and, in the form shown is of V-type, arcuate plates 5, attached to the hood by upper and side flanges, being arranged to fit concentrically in close proximity to the outer sides of the cylinders to confine the draught of air thereto. The front side-flanges of the plates 5 abut against the rear edges of the supporting plates 10. Spherical protuberances 17 may be formed or fitted in the top of the hood over the cylinder ends to provide clearance for sparking-plugs, valve gear &c. ; lips 18 for insertion of a finger or tool being provided when detachability is desired. The rear end wall 1<c> of the hood may be formed with an aperture to allow the air inlet of the carburetter to project and with a cowl 15 for the exhaust pipe. It may also be provided with a hinged or slidable door 16 to facilitate access to the engine. The cooling air enters the space 9<a> between the front wall 1<b> and the partition 13 and after passing the cylinders is emitted between the rear flanges of the plates 5 and the wall 1<c>. The openings being at the same level, the setting up of convection currents when the engine and fan are stationary is avoided, the warm air thereby being retained around the engine.
Patent GB-562203-A (GB)
Title: Filtering arrangements, more especially for aircraft
IPC: F02M35/16
Filed: 1942-11-19
Abstract: 562,203. Filters. YOKES. C. G. Nov. 19, 1942, No. 16382. (Class 46] [Also in Group XXVIII] A pleated or deeply grooved filter, e.g. of an aircraft engine is disposed in a nearly longitudinal position across a duct ; the grooves are each open at one end ; means such as noses 6 close the clean air sides of the grooves at the entry end, and similar means 8 close the other sides at the exit end. The filters may be made in lateral sections hinged together, and may be made capable of swinging out of operative position, leaving a clear flow for air. In this position air holes may allow a reverse flow cleaning the filter. Specifications 558,081, 558,088, and 562,231; [allin Group XXXIII], and U.S.A. Specification 1,906,984 are referred to.
Patent GB-439198-A (GB)
Title: An improved manufacture of portland cement and the like
IPC: C04B7/42
Filed: 1934-06-01
Abstract: In the production of Portland cement or the like, such as puzzolanas, by the wet method, one or more colloids, which are stable in dispersions having an alkaline reaction, is or are added to the raw materials and the pH value of the slurry is adjusted, if necessary, to be between 7,5 and 10; in this way it is stated that slurries of low water content but of low viscosity may be obtained.  The degree of alkalinity may be increased by adding, for example, caustic alkalies, soda or lime, or decreased by adding, for example, carbon dioxide or flue gases rich in carbon dioxide.  The control of the pH value may be effected by the colloids added; colloids specified are black lye from sulphate cellulose production, sulphite refuse acid, peat, mud, brown coal (without or after treatment by alkali), colloidal silicic acid, aluminium hydrate, soap for example resin soap or potash soap, colloidal fat and resin acids and various colloidal refuse products of acid neutral or alkaline reaction.  In examples, ,075 per cent brown coal and ,05 per cent black lye from sulphate cellulose production, based on the solid constituents of the slurry, are added to the slurry.
Patent GB-808389-A (GB)
Title: Method and machine for shaping thermoplastic sheets
IPC: B29C51/06
Filed: 1956-05-28
Abstract: 808,389. Moulding hollow articles from thermoplastic sheets. VOGT, E., [trading as VOGT & HARTMANN]. May 28, 1956 [May 31, 1955], No. 16466/56. Class 87(2). A method of shaping thermoplastic sheets or foils comprises clamping the sheet in an airtight manner over the opening of a chamber, heating the sheet and stretching it by admitting air under pressure into the chamber, partially shaping the sheet by means of a die and finally shaping the sheet by the production of a vacuum in the chamber between the sheet and the die causing the sheet to be drawn against and to conform to the shape of the die. The air pressure in the chamber, formed during the stretching, may be released to atmosphere before the production of the vacuum. A box 2 is clamped, with the interposition of a seal 3, by rails 4 to a table 1 having a piston 10, with an air passage 11, carrying successively a seal 17, a plate 13, a spacer 12 and a die 8. The top of the box 2 is covered by a frame 5 placed over the thermoplastic sheet 7, seals being provided at 6 and, around an opening 9 in the box at 14. In operation, the sheet 7 is heated when the parts are in the position shown in Fig. 1, air is admitted through the passage 11 and spacer 12 to stretch the sheet, Fig. 3, the piston 10 is raised, partially shaping the sheet 7, until the plate 13 abuts the seal 14, Fig. 4, air pressure between the sheet 7 and die 8 is released to atmosphere and a vacuum applied, through the passage 11 and spacer 12, to draw the sheet 7 to the die 8, Fig. 5. The piston 10 is raised, Fig. 6, (not shown) by a threaded spindle and the passage 11 connected to compressed air, atmosphere and a vacuum source by means of a three-way valve.
Patent GB-229560-A (GB)
Title: Method of gasification of powdered fuel
IPC: C10J3/57
Filed: 1924-07-09
Abstract: 229,560. Kl÷tzer, H. M. July 9, 1924. Producers. - Powdered fuel and air or steam are supplied to the surface of a slag bath carried in a rotating trough so that the slag is first heated by combustion gases and then used to gasify the fuel. In Fig. 2, which is a development of the apparatus shown in horizontal section in Fig. 1. the mixture of powdered fuel and air or superheated steam is supplied through a pipe 1 and mixed by a piston 3 in the inlet conduit 2 leading to a reaction chamber 4 which increases in crosssectional area so that by reduction of speed the slag particles are deposited in the heated slag 5. The gas generated escapes by an outlet 6. The slag is heated by admission of air and combustion gas through an inlet 12 to a combustion chamber 11 having an outlet flue 13. The slag belt 5 is carried by a toothed wheel 9 caused to rotate by a pinion 8 so that the slag is alternately passed through the heating chamber 11 and gasifying chamber 4. Incombustible dust may be mixed with the powdered fuel.
Patent GB-386534-A (GB)
Title: Improvements relating to woven fabrics having a ribbed appearance
IPC: D03D15/00
Filed: 1932-06-10
Abstract: 386,534. Woven fabrics with specially distributed yarns of different twists. HELWITH, A. L., 66, Worth Street, New York, U.S.A. June 10, 1932, No. 16487. Convention date, June 10, 1931. [Class 142 (iv).] The successive warp threads 12a, 12b are of regular and reverse twist respectively and are more closely spaced than the wefts whereby the fabric, which may be woven from silk or cotton, has a ribbed appearance transverse to the warp. Specifications 19274/92, [Class 142, Weaving &c.],and 15146/15, [Class 142 (iv), Woven fabrics &c.], are referred to.