baber/WOPTO huggingface dataset:
Patent GB-907304-A (GB)
Title: Improvements in hydraulic props or struts
Inventor: HILLIE EDWARD FRANCIS HERBERT
IPC: E21D15/44
Filed: 1959-05-22
Abstract: 907,304. Hydraulic pit props. DOWTY MINING EQUIPMENT Ltd. Aug. 10, 1960 [May 22, 1959; July 23, 1959], Nos. 17549/59 and 25341/59. Class 20 (2). An hydraulic pit prop (see Fig. 1 of Provisional Specification 17549/59) comprises telescopic members 1, 2, a variable volume pressurechamber 3, 4, and a pump 7, 8 which is actuated by a rod 15 controlled by an eccentric 16, 17 and has an inlet port 31 and an outlet port controlled by a valve 29. A combined relief and release valve 13 is urged by a spring-loaded seating member 22 against a ported spigot 9 which is adapted to permit communication between the pressure chamber and the prop reservoir, the valve 13 being lifted by excess pressure in the pressure chamber or under control of the eccentric 16, 17. In a modification, (see the drawings accompanying Provisional Specification 25341/59) the outer prop unit 1, 7 slides on an intermediate member 3 and incorporates a pump plunger 8 actuated by an eccentric 16, 17, inlet and outlet valves 31, 29 in the pump chamber and a combined relief and release valve 13. The valve 13 bears on a spring-loaded seating 22 and a ported spigot 9 which is carried by the piston 8 and provided with a stop-nut 33 to limit its travel, whereupon a further lift applied to the piston-rod 15 or excess pressure on the valve 13 will serve to lift the valve seating 22 and establish communication between the pressure chamber and the reservoir. Specification 904,866 is referred to.
Patent GB-560970-A (GB)
Title: Improvements in spray or fog nozzles for fire extinguishers and the like
IPC: B05B1/34
Filed: 1942-12-10
Abstract: 560,970. Spray-producers. MERRYWEATHER & SQNS, Ltd., STUBINGTON, R. E., and MILLER, L. C. Dec. 10, 1942, No. 17569. [Class 69 (iii)] Spray-producers for fire extinguishing comprises means such as a screw or worm to give the water a swirling action, a swirling chamber C and a screwed cap B having a convex outer surface and a series of perforations D more or less evenly spaced and conical in cross-section to give the individual jets a slightly spreading action.
Patent GB-176647-A (GB)
Abstract: 176,647. Dearden & Co., Ltd., J., Higgin, A., and Schofield, T. Feb. 21, 1921. Figured fabrics; double fabrics.-Double-faces fabrics with the same figure or pattern f, Fig. 3 and ground g on both sides of the fabric, except that they may be of different colours, are produced by operating coarse figuring-warp threads b, c by means of a jacquard to produce a pattern as shown, and operating fine binding-warp threads a by healds or a cumber board in such a way that, for any particular pick d all these binding warps are raised', or they are all lowered. The threads are drawn in the reed three to a space, with a thread a between two threads b, c, and the warps a pass under one and over two, or under two and over one. or under two and over two. Two weft threads d, d', Fig- 6, may be used, one corresponding in colour to the warp b and the other to the warp c, the curing-warps interchanging at times from one surface of the fabric to the other, as shown at 4, Fig. 3. The binding-warps are under great tension, and in the ground part of the fabric the picks that pass over the binding- warps tend to assume raised positions with respect to those picks that pass under the binding. warps. Consequently, mainly one set of figuring- warps is visible on one side, and the other @et mainlv is visible on the other sides of the fabric, which thus assumes the character of a double fabric.
Patent GB-1008694-A (GB)
Title: Manufacture of silver halide emulsions
IPC: G03C1/015
Filed: 1962-05-08
Abstract: 1, 008, 694. Preparing photographic emulsions. GEVAERT PHOTO-PRODUCTEN N.V. May 8, 1962 [May 8, 1961], No. 17712/62. Heading G2E. Gelatino silver halide emulsions are prepared by reacting silver nitrate with an alkali metal halide in an aqueous solution containing gelatin thus precipitating the silver halide in gelatin, the amount of gelatin being not more than 2% by weight of water and the ratio of gelatin to silver nitrate being between 2:100 and 25:100 by weight, physically ripening the silver halide, co-precipitating the gelatin and silver halide by adding an aqueous solution of ammonium sulphate or a mixture of ammonium sulphate and sulphuric acid so that the pull is kept above 7, removing the supernatant liquid, hardening the gelatin and removing residual silver nitrate by washing. Preferably between 5 and 20% by weight of ammonium sulphate is used and more ammonium sulphate is added to harden the gelatin. Specification 655,082 is referred to.
Patent GB-458434-A (GB)
Title: Improvements in or relating to relief-valves for pressure-lubrication systems
IPC: F16N23/00
Filed: 1935-06-20
Abstract: 458,434. Pressure - relief valves. PAINE, H. SCOTT-, c/o British Power Boat Co., Hythe, Southampton. June 20, 1935, No. 17750. [Class 135] A relief valve for a pressure lubricating system comprises a spring - pressed sliding sleeve valve 14 having an outlet slot 20 which tapers longitudinally so as to increase in effective width as the valve opens and a cylinder 10 having an inlet port 12 and an outlet port 11. The sleeve 14 has an internal partition 15 forming an abutment for the loading spring 16 and also for an adjustable screw 21 used to limit the movement in the closing direction or even maintain the valve open slightly. The edges of the slot 20 are bevelled inwardly to prevent the accumulation of foreign matter on them. The valve is connected to a part of the lubricating system by a plate 22 integral with the cylinder 10. According to the Provisional Specification, instead of the sleeve valve having a tapering slot, an oblique-ended port may be formed in the stationary cylinder.
Patent GB-746382-A (GB)
Title: Improvements in or relating to mobile material-handling machines
Inventor: SPANJER DAVID LUCIEN
IPC: E02F3/76
Filed: 1953-06-26
Abstract: 746,382. Earth-moving apparatus. EIMCO CORPORATION. Sept. 9, 1954 [June 26, 1953], No. 17814/53. Class 68(1) A scraper blade 1 is so pivotally mounted at the rear of a mobile machine 2, having a material-handling device arranged to be operative at the front thereof, that on forward movement of the machine it pivots upwardly when engaged by an obstruction to ride over it, while on rearward movement of the machine it assumes an operative position. The blade is supported at an appropriate level with respect to the ground from at least two mounting brackets 5 on the machine 2 by pivot pins 7 extending through aligned holes, or aligned holes of sets of vertically spaced holes 8, in the upper ends of the brackets 5 and carrier plates 3 on the blade 1. To permit of inversion of the blade, the carrier plates 3 are also provided with holes, or sets of holes 9, 10, adjacent the lower ends thereof.
Patent GB-102949-A (GB)
Title: Improvements in or relating to Centrifugal Governors.
Inventor: ENGLESSON JOHN ELOV
IPC: G05D13/00
Filed: 1916-12-12
Abstract: 102,949. Englesson, J. E. Dec. 21, 1915, [Convention date]. Centrifugal governors comprise two rolling weights 3 enclosed in a revolving casing 1 forming a belt pulley 2. The weights roll on radial tracks 4 and are mounted on steel bands 5, which are secured at one end to the tracks 4, and at the other ends to a thin flat portion 6 of the spindle 7. The bands 5 are attached to the weights by means of screwed plates 10, preferably located between two abutments 11 in the casing to limit the radial movement of the weights. The rolling parts of the weights are cylindrical and provided with arms 9, which bear against the portion 6 of the spindle through the bands 5 and are formed in accordance with involutes or curves approximating to involutes. The spindle 7 slides in a stationary bearing 14, and its movement outwards is resisted by a spring 8.
Patent GB-112018-A (GB)
Title: Improvements in Shift Mechanism for Typewriters.
IPC: B41J11/14
Filed: 1917-12-03
Abstract: 112,018. Royal Typewriter Co., (Assignees of Handley, G. F.). Dec. 12, 1916, [Convention date]. Platen-shift mechanism; shift-key actions. -In arrangements in which the shift-key action comprises a yielding member for cushioning the shiftkey on arrest of the platen carriage, a lever U pivoted on the shiftkey lever H is connected tu the carriagesupport by a non-yielding link Land is connected to the shift-key lever by a spring W. Preferablv the lever U is pivoted to the shiftkey lever at u<2> and is formed with a hole u<3> which receives a pin u<4> of smaller diameter on an arm h<3> of the shift-key lever. The spring W is secured at x to the shift-key lever and is hooked at the other end over a toothed arm u<1> which is formed eccentrically to the point x to permit of adjustment of the tension of the spring. The spring W transmits the movement of the shiftkey h<1> until the platen-carriage is arrested by stops T. The spring then yields and cushions the shift-key, the cushioning movement being limited by the pin u<4> moving to the front of the hole u<3>. In the arrangement shown, the platen carriage A runs on a rail C provided at each end with an arm D carried by levers E, F, one of the levers F being connected to the link Land also to a counterbalancing-spring S. The platen carriage is locked in the normal or the shift position by a latch G which is connected by a link K to the lever U and is formed with arms g', g<2> for engaging a lug d on one of the arms D. To permit of release of the latch before the platen carriage is lifted, the link L is provided with a lost-motion connexion with the lever F. This connexion consists of a loop a on the link embracing a pin f<1> on the lever, a spring g holding the rear end of the loop slightly separated from the pin. Key-locks.-The shift-locking lever I, Fig. 6, is provided with a pin i for engaging the end j<3> of a lever J which is pivoted at and is formed with n locking-recess j<1> adapted to engage a pin i on the shift-key lever H. The lock is released by a slight depression of the shift-key h<1>, a spring j<2> then returning the levers I, J.
Patent GB-762417-A (GB)
Title: New chromium containing monoazo-pyrazolone dyestuff
Inventor: REECE CHARLES HUGH
IPC: C09B45/16
Filed: 1954-06-18
Abstract: The invention comprises a dyestuff which in its anionic form is of formula:- <PICT:0762417/IV(b)/1> and which may be made by treating the dyestuff obtained by coupling diazotized anthranilic acid with 1- (21-methylphenyl)-3-methyl-5-pyrazolone under weakly acid to alkaline conditions with amounts of chromium yielding agents corresponding to 0.5 to 0.6 atomic proportions of chromium.  The starting dyestuff may be made by coupling in an aqueous medium in the presence of excess sodium carbonate.  Conventional chroming agents are specified and metallization is preferably effected in an aqueous medium in the presence of solvents such as ethanol, n-butanol, b -ethoxy-ethanol, ethylene glycol, mono-and diethanolamine and pyridine and with the addition of a wetting or a dispersing agent.  The dyestuff dyes animal fibres, e.g. wool and silk, synthetic nitrogenous fibres, e.g. those of superpolyamides and superpolyurethanes, and fibres from natural and synthetic proteins.  Wool and silk are dyed from neutral or weakly acid dye-baths the former in yellow shades.  An example is provided of the preparation of the dyestuff and its use in dyeing wool and nylon.
Patent GB-571788-A (GB)
Title: Improvements in or relating to the production of building construction units
IPC: C08L91/00
Filed: 1943-10-30
Abstract: Building units having a degree of flexibility are made by dissolving an oil-soluble resin in a vulcanizable oil, mixing the solution with organic fibrous material and a vulcanizing agent, shaping the material and vulcanizing the oil.  Suitable resins are phenol aldehyde, urea formaldehyde, alkyd and like synthetic resins, coumarone resins, chlorinated rubber, rosin, ester gum, congo, kauri, and damar resins; suitable oils are linseed, rape and cotton seed; fibrous materials specified are wood chips and ground cork. According to an example, a mixture is made at 80 DEG  C. of 1130 parts of blown linseed oil, 2260 parts of wood chips, 90 parts of "Bakelite R10857" (Registered Trade Mark), and 165 parts of pigment, and with this are thoroughly mixed 3645 parts of granulated cork, 324 parts of sulphur, 324 parts of pigment and 324 parts of a vulcanizing mix consisting of 40 per cent sulphur, 40 per cent zinc oxide, 10 per cent lime, 5 per cent zinc diethyldithiocarbamate, and 5 per cent mercaptobenzthiazole.  The composition is moulded at 140 DEG  C. at 1500 lbs. per sq. in. for 9 min.ALSO:Building units having a degree of flexibility are made by dissolving an oil-soluble resin in a vulcanizable oil, mixing the solution with organic fibrous material and a vulcanizing agent, shaping the material and vulcanizing the oil.  Suitable resins are phenol aldehyde, urea formaldehyde, alkyd and like synthetic resins, coumarone resins, chlorinated rubber, rosin, ester gum, Congo, kauri and damar resins; suitable oils are linseed, rape and cotton seed; fibrous materials specified are wood chips and ground cork.  According to an example, a mixture is made at 80 DEG  C. of 1130 parts of blown linseed oil, 2260 parts of wood chips, 90 parts of "Bakelite R10857" (Registered Trade Mark), and 165 parts of pigment, and with this are thoroughly mixed 3645 parts of granulated cork, 324 parts of sulphur, 324 parts of pigment and 324 parts of a vulcanizing mix consisting of 40 per cent sulphur, 40 per cent zinc oxide, 10 per cent lime, 5 per cent zinc diethyldithiocarbamate, and 5 per cent mercaptobenzthiazole.  The composition is moulded at 140 DEG  C. at 1500 lbs. per sq. in. for 9 mins.
Patent GB-1174469-A (GB)
Title: Sealing Glands.
Inventor: HAIRE CHRISTOPHER ADRIAN
IPC: F16J15/18
Filed: 1967-04-19
Abstract: 1,174,469. Seals. L. ADAMS Ltd. 8 Feb., 1968 [19 April, 1967], No. 17970/67. Heading F2B. A gland for a valve spindle is packed by pure or sintered P.T.F.E. rings 6 pre-stressed on assembly by spring means which automatically allow for thermal expansion and contraction, the pre-stressing being greater than the maximum pressure against which the gland is designed to seal. The packing may be compressed through spring washers 8 and antiextrusion rings 7 of sintered P.T.F.E. provided above and below the rings 6.
Patent GB-1275404-A (GB)
Title: Improvements in or relating to grinding machines
Inventor: WARD MAURICE MILLER
IPC: B24B19/02
Filed: 1968-04-16
Abstract: 1275404 Grinding M M WARD 15 July 1969 [16 April 1968] 17980/68 Heading B3D A machine for grinding helical or other grooves, e.g. for drills, taps &c., comprises a spindle 13, for supporting a workpiece for simultaneous rotation and axial movement relative to a rotary grinding wheel 3, and a sine bar 16 axially adjustably secured to a rotatably adjustable support means 17 for setting a required angle between the sine bar 16 and the spindle 13. Axial movement of a table 5 bearing a spindle support head 11 is effected by a handle 7, rotation of the workpiece being effected by a pinion on the spindle 13 in engagement with a rack of a cross-bar 15, which may be moved transversely as a block 18 pivotably connected at 19 slides along the sine bar 16. Alternatively, when a sine bar angle greater than about 45 degrees is required, the machine may be operated by means of a hand wheel 20 for rotating the spindle 13 directly. A connector member 21 to which the bar 16 is bolted is axially slidable on the support 17, screw members 26 bearing tommy bars 27, Fig. 3 (not shown), allowing axial locking in any chosen position. The support 17 is rotatable on a vertical shaft (35), Fig. 4 (not shown), engaging in a threaded nut 40, which may be tightened by a tommy bar 41 to lock the bracket 17 in a chosen angular position, limited by a retractable stop (28). The table 5 is transversely positionable by means of a hand screw 10, and adjustable stops 45 limit the axial movement of the spindle 13. The head 11 and bar 15 may be tiltable for tapered workpieces, and substitution of a cable mechanism for the cross-bar 15 is envisaged.
Patent GB-914402-A (GB)
Title: Apparatus for storing and handling articles on pallets
IPC: B65G1/10
Filed: 1960-05-21
Abstract: 914,402. Mechanical storage systems. BARTON, P. May 8, 1961 [May 21, 1960; Aug. 25, 1960], Nos. 18026/60 and 29329/60. Class 78 (4). In a storage system for articles such as metal rods, the articles are loaded on pallets a to f in a stack in which each pallet is supported by the one below it and access to a given pallet is obtained by lifting the pallets above it and moving the unlifted pallets horizontally out of the stack. The pallets may be lifted bodily or, as shown, by permanently supporting them from a fixed structure i at one end a1 b1, &c. and lifting only the other end. In the form of Fig. 1 the lifting means k is a ladder-like structure whose rungs k<SP>1</SP> to k<SP>5</SP> are engageable with projections a<SP>2</SP> to e<SP>2</SP> on pallets a to e respectively, the gaps between a pallet projection and the corresponding rung, in the inoperative position shown of the lifting means k, progressively increasing down the stack so that the number of pallets lifted depends on the extent of vertical movement of the lifting means k. The unlifted pallets are moved out of the stack on wheels I which are either attached to the lowermost pallet f or form a rollerway beneath the stack. In the form of Fig. 6, the lifting means comprise chains of hooks o and p each hook being attached to a pallet at v and each being normally separated from its neighbour in the chain by a gap g so that as the lifting members q and r are raised the gaps g close in succession from the top of the stack to raise a number of pallets therefrom depending on the extent of vertical movement of members q and r.
Patent GB-182485-A (GB)
Title: Improvements in and relating to motor vehicles having a plurality of driving axles
IPC: B60K17/36
Filed: 1922-06-30
Abstract: 182,485. Goodyear Tire & Rubber Co., (Assignees of Templin, E. W.). June 30, 1921, [Convention date]. Axle structures; axle distance members and torque-rods.-A motor vehicle having t w o front steering-wheels and four or more driving wheels is provided with equalizing springs between driving axles, with means for allowing slight lateral spring- controlled movement between driving axles and springs to facilitate turning, and with elastic torque-resisting connections between axles. The two driving axles for a six wheeled vehicle are shown in Figs. 3 and 4. Each axle consists of a wheelcarrying member 29, to the ends of which are secured an axle casing 47. The two differential gears are connected by a jointed shaft 101 and the live axles drive the wheels through reduction gearing. The main frame i s supported upon the axles by two equalizing springs 30 pivoted to the frame brackets 33 at points 32 which are located at substantially the same level as the axles of the loaded vehicle. The two axles are connected by torque-resisting members 102 which are so applied as to exert no other constraint upon the axles. Each torque-member consists of one or more plate springs having a vertical pivotal connection to one axle and a sliding connection to the other. The sliding member 103 and the pivotal member 104 on the front axle are formed as projections from a sleeve 98 secured to the axle casing, while the members 103, 101 on the rear axle project from a rotary annulus 107 held between ,a shoulder 99 and a sleeve 106 on the rear axle casing. Specification 117,540 is referred to.
Patent GB-477263-A (GB)
Title: Improvements in or relating to electroplating apparatus
IPC: C25D5/08
Filed: 1937-06-30
Abstract: 477,263. Apparatus for the electrodeposition of metal. ELECTRICAL RESEARCH PRODUCTS, Inc. June 30,1937, No. 18161. Convention date, June 9, 1936. [Class 41] Apparatus for the electrodeposition of metal comprises an anode and cathode enclosed within a chamber and rotatable in opposite directions and means for spraying electrolyte over the surface of the cathode. The apparatus shown, which is for electro-forming phonograph records, comprises a cylindrical shell 11 and side closures 12, 13 hinged at the back each carrying one electrode and its driving means. The closures 12, 13 are secured in position by screws passing through holes in lugs thereon and engaging tapped holes in lugs on the shell 11 ; the screws are operated by hand-wheels 22 mounted thereon. The record matrix is secured to a dished back-plate 37 by a threaded pin 39 secured to a spindle 40 threaded at its far end to engage a hand-wheel 43 whereby a tapered shank 41 on the spindle may be drawn into frictional engagement with a shaft 46. The shaft is driven through reduction gearing by a motor 47 mounted on a bracket 52 integral with the closure 13. The cathode connection is made by brushes 49 engaging a slip-ring 48. The anode 38 is similarly driven by a motor 53 but is secured directly to a solid shaft by a screw 73. Electrolyte is supplied to the chamber by radial nozzles 32 having slots 35 whereby jets are directed towards the cathode preferably in a direction against the rotation. The pressure is rendered uniform along the nozzle by provision of a tapered plug 36. Electrolyte is withdrawn at the bottom of the chamber. A filter diaphragm may be mounted between the electrodes. A shield for preventing excessive deposit at the edges may be provided. Electrolyte may be sprayed on the anode as well as the cathode to remove sludge. A plant is described comprising a number of chambers fed with electrolyte from a common tank any of which may be disconnected at will.
Patent GB-107530-A (GB)
Title: Improvements in or relating to Pumps.
Inventor: BLANC LOUIS
IPC: F04B53/12
Filed: 1916-12-19
Abstract: 107,530. Blanc, L. Dec. 19, 1916. Valves, arrangement of. - The piston c is loosely mounted on a projection e on the piston rod d so that when the rod is moved the piston is stationary until it is engaged by the head e<1> or a pad d' on the rod. When the rod moves in the direction of the arrow 1 air passes between the piston and rod and through notches in the head e<1> to the upper side of the piston; during the return stroke the pad d' closes the passage between the piston and rod, and the air is forced out of the barrel.
Patent GB-1094289-A (GB)
Title: Sheet feeding mechanism
IPC: B65H1/06
Filed: 1966-04-26
Abstract: 1,094,289. Feeding sheets. WARD DIE-VISE CO. April 26, 1966 [Jan. 12, 1966], No. 18257/66. Heading B8S. Sheets S from a stack P are discharged from the bottom thereof by feed bar 16 operated by linkage 18, 20, and the bottom sheet is held flat to facilitate the discharge by a device 36 at its rear and device 26 at its front end. The device 36, Fig. 5.-As feed bar 16 reciprocates cams 30 thereon operate to oscillate shaft 40 which carries resiliently arm 56 so that the point 58 carried resiliently at 60 by arm 56 moves downwards into the side of the stack and presses the bottom sheet against fixed shoe 62 to position the rear end of the sheet. Device 26, Fig. 8.-The throat of the magazine is defined by adjustable gate 72 and threshold plate 74. In addition two fingers 70 are provided which are moved downwards by fluid cylinder 76, the gears 66, 68 ensuring that both fingers move in unison. The cylinder moves between limit stops 78, 80. The two fingers 70 are urged downwards by the cylinder 76 into engagement with the side front of the stack and hold it positioned for discharge despite warping of the sheets.