baber/WOPTO huggingface dataset:
Patent GB-290993-A (GB)
IPC: B24B7/10
Filed: 1927-10-26
Abstract: 290,993. Schmaltz Ges., F. May 23, 1927. [Convention date]. Disc apparatus; gauges; trucing rotating tools.-A machine for grinding simultaneously two aligned axle bearing-guide surfaces on locomotive frame plates, or other aligned surfaces, consists of a support 2 movable on guides 1 and carrying two slides 3, 4 on which are mounted, in cross slides 5, 6, grinding-heads 7, 8 having opposed grinding discs 9, 10, 9<1>, 10<1>. The leads are adjustable about vertical axes 11 and about horizontal pivots 12. The locomotive frame is positioned above the machine, which is traversed on the guides 1 to locate the heads adjacent opposite axle guide surfaces, and the heads are then reciprocated horizontally across the surfaces, the discs 9, 10 being of such a size that no vertical movement is required; the heads are then moved axially of the discs and the other surfaces of the opposite guides are ground. The work is ground to the desired extent by the use of adjustable diamonds 24, 25, which are set so that if reciprocation of the grinders continues after the work is to size the grinders are trued by the diamonds, and no further grinding of the work takes place. The inclined surfaces of the guides may be treated, after removal of the wedges, by adjustment of the heads about the pivots 12.
Patent GB-208849-A (GB)
Title: Improvements in and connected with the warp beam tensioning mechanism for looms
IPC: D03D49/06
Filed: 1922-10-20
Abstract: 208,849. Unsworth, J. Oct. 20, 1922. Letting-off warps.- In warp-beam ten. sioning-mechanism of the type described in Specification 191,610 wherein the operation of a cam or equivalent device f effects simul. taneouslv the elevation of one end a of the warp beam and the depression of one end of the brake chain or cord t passing over the beam, the cam &c. and associated parts are adjustably supported. Tha cam pivot f<1> engages in slots g in a bifurcat.d casing c, which is also provided with slots j, k, these slots g, j, k receiving spaced pins i on a supporting saddle h provided with a depending bar l adjustably connected to a lever m supported on an adjustable pin n and connected by a link q to a lever r. The casing c also guides the shank of a forked pillar d, engaging the warp beam spindle, and is bolted or otherwise secured to an angle bracket x having a slotted arm x<1> slidably supported in and adjustably bolted to a channelled portion y<1> of a right-angled bracket y, which has a bifurcated or slotted extension z adjustably bolted to the loom frame. The chain &c. t is connected by a spring u to a bracket m<2> and is adjustably connected at its other end by a hooked pin v and a pin v<2> to a lever p<1>. The levers p, p<1> are connected by a hooked link w. which may be moved along the levers to cause these to move towards or away from one another and thus vary the tension of the chain &c. t.
Patent GB-848608-A (GB)
Title: Method of making laminated structures
IPC: B32B27/00
Filed: 1958-09-05
Abstract: 848,608. Moulding polytetrafluoroethylene laminates. DU PONT DE NEMOURS & CO., E. I. Sept. 5, 1958 [Sept. 25, 1957], No. 28655/58. Class 87(2). [Also in Group VIII] A shaped laminate is made by laying plies 14, of polytetrafluoroethylene or copolymers thereof with vinylidene fluoride, virylfluoride orhexafluoropropene, or of glass fabric asbestos or metal impregnated and /or coated with the polymer or a copolymer over a former 15 and covering them with an impervious sheet 10 held down and edge-sealed by a bolted frame 17, 18, the envelope so formed being evacuated through vents 13a in the former. The evacuation process may include replacement of air by hydrogen and re-evacuation. The products may be used for electrical insulation or for making printed circuits. Specification 680,257 and U.S.A. Specification 2,539,329 are referred to.
Patent GB-746586-A (GB)
Title: Apparatus for testing the profiles of involute gear teeth
IPC: G01B5/20
Filed: 1954-10-05
Abstract: 746,586. Gauging gear-teeth. MULLER, K. Oct. 5, 1954, No. 28680/54. Class 106 (2). Apparatus for testing the profiles of involute gear teeth comprises a plate 2, Fig. 1, adapted to be secured to the wheel 1 to be tested, a rolling surface 5 of radius equal to that of the base circle of the wheel, adjustably secured to the plate so that its arcuate surface is concentric with that of the wheel, a straight-edge element 6 attached to the surface 5 so that it may roll upon the arcuate surface without sliding, and a carriage 13 adjustably mounted on the straight edge carrying a measuring and recording device 44 including a feeler 16 adapted to engage a flank of a tooth of the wheel. As shown, the surface 5 is magnetic and the straight edge 16 includes the poles 9 of an electromagnet whereby the parts 5, 16 are maintained in contact and the straight edge is moved over the surface 5 by rotation of a hand-wheel 43 on a rod 10 threaded to engage a nut 11 adjustably mounted on the plate 2, the rod 10 also passing through a pivoted connection 42 with the straight edge. In another embodiment, the parts 5, 16 are held together by spring- loaded steel tapes. The recording device 44 is fixed to a part 15 slidably mounted in the carriage 13 in a direction parallel to the wheel axis and comprises the feeler 16, transmission levers connecting the feeler to a recording pen 20 and a drum 21 adjustably driven by two friction discs 24 from a pulley 26 over which runs a weighted card having one end connected to a slider on the plate 2 and passing over a second pulley mounted on the carriage 13 so that as the straight edge rolls round the surface 5 the pulley 26 is revolved to drive the drum 21.
Patent GB-159276-A (GB)
Title: Improvements in or relating to roller bearings for cranks, connecting rods and the like
IPC: F16C9/04
Filed: 1919-11-19
Abstract: 159,276. Tyler Apparatus Co., Ltd., and Simpson, T. A. Nov. 19, 1919. Crank-shafts. - A solid crank-shaft of an internal-combustion engine has a grooved crank - pin j forming a roller track and a web a cut away at an angle at its two opposite corners c, d and champered on its inside edges g, in order that a solid connecting-rod f may be threaded over. The arrangement is such that the width of the end of the connecting-rod corresponds to the distance between the webs of the crank. To permit insertion of the rollers, a recess i is formed in the side edge of the web, and machined to a depth corresponding to or slightly below the groove in the crank-pin. The recess is closed by a plate secured by screws.
Patent GB-1018145-A (GB)
Title: Variable ratio gearing
IPC: F16H15/52
Filed: 1963-07-19
Abstract: 1,018,145. Variable-ratio reduction gearing. ATELIERS METALLURGIQUES DE SAINTURBAIN. July 19, 1963 [Aug. 23, 1962], No. 28775/63. Heading F2D.  A variable-ratio reduction gear comprises an adjustable-throw eccentric 2 carried by a driving shaft 1 and having freely rotatably mounted thereon a sleeve 5 on which conical friction discs 3 are axially slidably splined. The friction discs 3 are gripped at one point between an abutment ring 40, rings 4 1 , 42 which are slidably splined to stationary casing 8, and a presser ring 4 3  which is loaded by a spring 35. The sleeve 5 is universally coupled by an Oldham-type joint to an output shaft 7. The adjustable eccentric comprises an inner eccentric portion 13 integral with the input shaft 1 and an outer eccentric portion 2 which can be adjusted on the portion 13 to adjust throw. In operation the rings 4 0 -4 3  prevent movement of the discs 3 at one point so that the discs are caused to rotate, thus driving the sleeve 5 and the output shaft 7 at a speed depending upon the throw of the eccentric. A balance weight 17 may be attached to the shaft 1 to balance the compound eccentric.
Patent GB-872024-A (GB)
Title: Improvements in or relating to presses and to methods of operation thereof
Inventor: TOULMIN HARRY AUBREY
IPC: B30B1/00
Filed: 1959-08-24
Abstract: 872,024. Injection and compression moulding machines. COMMONWEALTH ENGINEERING CO. OF OHIO. Aug. 24, 1959, No. 28854/59. Class 87(2). [Also in Groups XXII and XXVI] A press, suitable for metal forming, plastic injection and compression moulding, and die casting and like operations comprises a ram 19 having jet propulsion means 31, 32 mounted thereon for moving the ram in the working and return directions. As shown in Fig. 1, two turbo-jet engines 31, 32 are clamped to the ram 19, which may be solid or hollow as shown, the engines being arranged in opposed manner so that when started by an operator from within a closed control cubicle 43 and fuel is fed to them from a tank 40, the ram is forced downwardly by the thrust of the engine 32 and returned by the thrust of the engine 31; the appropriate engine is arranged to idle at the end of each stroke by suitably reducing the fuel supply. The ram is provided with a platen 21 which cooperates with a die plate 22 cushioned by a hydraulic-fluid cylinder-and-accumulator arrangement 25, 27 controlled by a two-way valve 29; means 68 may be provided for locking the ram in its upper position while loading the press. As shown in Fig. 5, two horizontallydisposed rams 47, 48 are each provided with two jet-engines 56, 57 and 58, 59 operated as previously described, each pair of engines being provided with its own fuel tank 62 and controlled from a comomn panel 64 enclosed by a protective casing 65. The rams, which are guided in bearing pedestals 49, 50 by rods 52 passing through bores 53 therein, are each provided with platens 54 which slide over a work-supporting surface 55; buffer springs may be located between the innermost pedestals 49, 50 and the respective platen 54. The operation of the press of both embodiments may be semi or fully automatic, and cranes 46, 66 are provided for loading. The turbo-jet engines may be used in conjunction with ram jet engines.
Patent GB-228289-A (GB)
Title: Improvements in and relating to gas generators
IPC: C10J3/46
Filed: 1923-11-16
Abstract: 228,289. Umpleby, F. Nov. 16, 1923. Producers.-Solid fuel in a state of fine division is gasified by partial combustion during its passage through a cylindrical furnace or generator which operates conjointly with a pulverizing machine through and from which an air or gas stream transports the pulverized fuel into the generator. Chalk, lime or limestone may be added and catalysts such as aluminium, cerium, cobalt, copper, iridium, iron, nickel or platinum may be used in the furnace lining. The generator may be worked at reduced pressure or at high pressure when supplying an internal combustion engine or turbine. The fuel and air, oxygen, carbon dioxide, or steam are supplied through openings 6, 7 respectively and given a whirling motion to the recesses 9, 11 before entering the reaction space 1 lined with a refractory tube 2 surrounded by insulating material 3. The gases escape by an outlet 8. A cooling jacket 5 may be employed for the generation of steam which enters the reaction space through apertures 13, 14 the surplus escaping through an aperture 15. Rotation of the throttle valve 10 controls the amount of materials entering the apparatus. A liquid hydrocarbon may be injected through a nozzle 16 to assist in the generation of gas and for starting purposes. The Provisional Specification describes also the use of a liquid hydrocarbon instead of the powdered fuel.
Patent GB-868130-A (GB)
Title: Electric discharge tube
IPC: H03D5/00
Filed: 1957-09-13
Abstract: 868,130. Radio receiving circuits; valve limiter circuits. STANDARD TELEPHONES & CABLES Ltd. Sept. 13, 1957 [Sept. 18, 1956], No. 28914/57. Classes 40(5) and 40(6) [Also in Group XL(a) A combined F.M.-A.M. I.F. circuit includes a valve (see Group XL(a)) with variable mu control and suppressor grids 2, 4; when the circuit is receiving A.M. the suppressor grid is at cathode potential and the valve acts as a variablemu amplifier, while when receiving F.M. a negative voltage developed across resistor 19 in one side of the ratio discriminator 15 is applied to the suppressor grid, and the valve acts as a linear cut-off limiter. In the latter condition the screen current increases and the screen voltage is thus lowered. With A.M. the output is taken from the secondary of transformer 14 and gain control is applied to the control grid at 9. With A.M. the output is from the centre tap 21 of the discriminator transformer 13.
Patent GB-1514759-A (GB)
Title: Combination of a surgical operating table and a germfree screen generator
IPC: F24F9/00
Filed: 1975-07-09
Abstract: A flow (3) of sterile air is conveyed from a fan (1) over the operating area (7) to a suction head (2), the operating area (7) being swept tangentially. The sterile air consists of individual currents running in a plurality of layers. The infiltration of germs into the operating area is in this way prevented. <IMAGE>
Patent GB-427331-A (GB)
Title: Improvements in the production of propellent explosives
IPC: C06B21/00
Filed: 1933-10-20
Abstract: Nitrated lactic acid esters of glycol or glycerol for use in explosives are prepared by slowly running the glycol or glycerol ester of lactic acid into a well agitated mixture of nitric and sulphuric acids in equal proportions at 10--15 DEG  C., the upper layer then being separated, neutralized, and washed.
Patent GB-266426-A (GB)
Title: Improvements in electric street lighting equipment
IPC: F21V17/00
Filed: 1925-11-19
Abstract: 266,426. Horstmann Gear Co., Ltd., Horstmann, J. H. G., Horstmann, E. H., Horstmann, A., and Horstmann, F. O. Nov. 19, 1925. Plug couplings; junction-bores.-An electric light fitting for street lamps comprises a terminal housing D, carrying one or more supports F for the lamp holder G or holders and provided with means for attachment to the base of the, lantern casing. In the preferred form, the housing D is provided with a detachable base-plate d<1> having a depending threaded tube d<4> with a locknut d<5>. To mount the fitting, the main cables x, x<1> extending through the lamp post are passed through the tube d<4> and attached to terminals e<3>, e<2>, respectively, the baseplate d' is then secured to the lantern base by passing the tube d<4> through the aperture therein and attaching the' lock-nut d<5>, and, finally, the housing D is secured by screws d<2> to the baseplate d'. The lamp holders are connected by wires x<3>, x<4> to terminals e<1>, e. The two pairs of terminals e<1>, e<2> and e, e<3> may be connected by plates e<6> or the latter pair may be connected by plates e<4> to sockets, or plugs E, E<1>, adapted to receive the plug, or socket, terminals of a fuse, a bridge-piece, a time switch, or a combined fuse and time switch of the type described in Specification 10067/15, in which the fuse is employed to complete the circuit when the time switch is removed for inspection or repair. In the last case, the time switch C and three insulating plates f, g, h, forming a supporting base H are secured together by bolts f<1> and screws h' engaging nuts f<2>, the bolts f<1> passing through holes in the switch casing and carrying transverse pegs. The plate g is provided with plugs B<2>, B<3>, which pass through the plate f and fit the sockets E<1>, E<2> of the housing D and the fuse is provided with similar plugs. which normally pass through holes g<11> in the plate g and engage in members g<3> fitting loosely in recesses g<9>. The leads g<19> from the switch are connected to terminals g', g<2> mounted in a recess g<13>, the terminal g' being connected to one of the members g' and the terminal g<2> to the plug B<3>. The other member g<9> is connected with the plug B'. The recess g<13> is covered by a plate. Specification 1128/04 also is referred to.
Patent GB-1193642-A (GB)
Title: Improvements in or relating to Matrix Storage Arrangements.
Inventor: GIBSON ANTHONY THOMAS
IPC: G11C11/06
Filed: 1966-06-30
Abstract: 1,193,642. Circuits employing bi-stable magnetic elements. ELECTRIC & MUSICAL INDUSTRIES Ltd. 28 June, 1967 [30 June, 1966], No. 29351/66. Heading H3B. A matrix storage arrangement includes delay elements in the output circuits in order to compensate for the delay imposed on address drive signals in reaching the different storage elements along an address conductor. In the word organized thin magnetic film store 1 information read out of the store by application of an address drive signal to a selected address row conductor is applied in parallel via read amplifiers 7 to gates 12 which are strobed by pulses from source 10 in order to suppress noise in the output conductors. Because of the finite time for the address drive signal to travel along an address conductor the output signals produced by the rotation of the magnetic vectors of the elements do not appear simultaneously and these signals appear at the gates 12 in echelon. In order that the strobing pulses arrive at the gates 12 at the required time, delay elements 11 are connected between the pulse source 10 and the gates. In order to write information into the elements appropriate drive signals are applied to the digit drive conductors also in echelon. These drive signals may be derived from the gates 12 which are already in echelon and overlap the address drive signals. In an alternative arrangement the sense conductors of the storage matrix may include different delays so that the output signals of the storage matrix appear simultaneously at the read amplifiers 7 and in this case delay elements 11 are omitted. Different delays may also be included in the digit drive conductors. Reference has been directed by the Comptroller to Specification 1,066,246.
Patent GB-649582-A (GB)
Title: Improvements in, or relating to, presses
IPC: B30B1/08
Filed: 1947-11-05
Abstract: 649,582. Pneumatic presses. LANG PNEUMATIC, Ltd., WHATTON & SONS, Ltd.. and EATON. J. Nov. 5, 1947, No. 29441. [Class 122(iii)] [Also in Groups V and XXIX] A pneumatic press comprises a toolcarrying reciprocable ram 1 which is driven towards a fixed bed 6 in two stages, namely, an initial stage under the control of a low-pressure cylinder 16 to bring the tool into contact with, or proximity to, the work and a working stage under the control of a high-pressure cylinder 14 which perates the ram through a rigid lever 24 which, durng the initial stage is disconnected from the ram but is so displaced that, as the ram completes its initial stage, it makes positive drivng connection with the ram. The cylinder 16 and a power lever 12 are pivoted on a fixed bracket 22 and the low pressure piston 18 is coupled to a cam 23 pivoted near one end of the lever 12 and is adapted to engage a stop 28 on the beam 3 only when the ram 1 is driven through its initial stage. The lever 24 is spring-urged into engagement with the stop 28 which limits the movement of the cam 23. A relay valve 19 is operated by a spring-loaded arm 29 and a rod 30 which has a projection 32 normally retained in the path of the lever 24. Compressed air is supplied to the press through pipes 35, 36, and hence to a valve 37 controlled by a spring-returned pedal 38 and an automatic valve 40, respectively. On depressing the pedal compressed air flows from the pipe 35 through pipes 41. 42 to the inlet of the relay valve 19 and through a branch pipe 43, pressure reducing valve 44 and a safety valve 45 to the cylinder 16 being exhausted through pipes 51, 49. The piston 18 displaces the cam 23 angularly away from the lever 24 allowing it to engage the stop 28. As the upper part of the cam engages the stop 28 it urges the beam upwards until a shoulder 27 on the lever 24 is spring-urged under the stop 28 and hence actuates the valve 19. Compressed air now flows through a pipe 46 and the valve 40 to the cylinder 14 to actuate the lever 12; air being exhausted from the top of the cylnder through a pipe 50. On releasing the pedal 38 the underside of the cylinder 16 and the relay valve 19 are exhausted whilst pressure is supplied to the automatic valve 40 and the pressure in the pipe 36 diverted to the power cylinder 14. Simultaneously, compressed air flows through the pipe 51 to the upper end of the cylinder 16 whereupon a reverse movement is imparted to the cam 23 which in turn displaces the lever 24 and hence permits the valve 19 to revert to its original position and raise the cam 1.
Patent GB-284805-A (GB)
Title: Improvements in gas generators
IPC: C10J3/38
Filed: 1926-11-22
Abstract: 284,805. Andrews, C. W., and Chapman, W. B. Nov. 22, 1926. Ashes, removing; grates.-In gas generators of the kind in which a diametral beam 8 rotates over a grate 30 at the bottom of the ash bed to discharge the ash outwardly towards the periphery of the generator and also cause the charge above it to rise and fall, means is provided for enabling the rate of ash removal to be varied independently of the speed of the beam. The ash forced outwardly by the beam passes through an opening 10 into an annular ash receptacle 22 mounted upon a drive ring 11 which is rotated on ball bearings 12 by gearing 15 connected to variable-speed driving mechanism. A pivoted ash plough 23 projects into the receptacle 22 and is adjustable by a handle 25 having a pin 26 which mav fit into any one of a series of holes in a sector plate 28. A number of adjustable ash ploughs 23 may be disposed around the generator and the ash drops into an ashpit 3 from which it is removed through doors 29. Clinkers are broken up between the ends of the beam 8 and the side wall of the generator, which is provided with a ridged plate 9. The amount of ash passing through the opening 10 depends upon the rate of removal from the receptacle, i.e. upon the setting of the ash plough 23 so that the speed of the beam may be increased when necessary to agitate the charge without ejecting the ash too rapidly. The side wall 1 of the producer extends down slightly below the level of the grate to obstruct direct outward travel of the ash. The beam 8 is connected to the drive ring 11 at its ends and is made hollow to receive cooling water from a pipe 19 located within a pedestal 6 at the axis of rotation and the water may pass through pipes 20 at the ends of the beam to the hollow drive ring 11. The grate 30 comprises sector-shaped sections supported centrally by the pedestal 6 and at the outer ends by a cylindrical wall 4, the draught openings in the grate being inclined in the direction of rotation of the beam so that the ash is swept away from the openings. The beam is of triangular section, the leading edge being provided with teeth 33 and the drive ring 11 may support an annular ash-crushing device converging downwardly towards the opening 10, having oblique corrugations or ridges opposite the wearplate 9. The driving gearing is enclosed within partitions 17, 18 and air or steam is fed beneath the grate by a pipe 7.
Patent GB-174187-A (GB)
Title: Cloth guiding devices for cloth finishing machines
IPC: D06C3/00
Filed: 1920-10-19
Abstract: 174,187. Hogan, W. A. Oct. 19, 1920. Feeding webs.-In apparatus for smoothing and guiding a cloth web in its passage to a finishing- machine, of the kind in which diverging pairs of rollers engaging the edges of the web are positively driven against the motion of the web, the cloth-covered rollers 27 are supported in a frame comprising standards 10 connected by cross-bars 14, 15 over which the web 13 passes. The shafts 25 of the lower rollers 27 are mounted in openings 21, Fig. 4, in blocks 20 adjustably secured to the bar 14 by bolts 19 passing through slots in the bar, and the shafts 26 of the upper rollers 27 are mounted in slots 22 in the blocks 20 and pressed downward by springs 24. The opposite ends of the shafts 25, 26 are similarly mounted in blocks 31, 30 adjustably secured to the bar 15 and an upper bar 16 by bolts and slots. The shafts 25, 26 are connected by spur gears 28 and the lower shafts- 25 are driven by belts 34 from a shaft 36 which is driven by a belt 40 from a source of power. In a modification, Fig. 5, the frame comprises two parts 41, 42 connected together by bolts 45 passing through slots in the parts to allow adjustment of the frame to suit webs of different widths.