baber/WOPTO huggingface dataset:
Patent GB-320244-A (GB)
Title: Improvements in or relating to fastening devices for sliding or collapsible roofs of motor cars, motor launches and the like
IPC: B60J7/06
Filed: 1928-10-18
Abstract: 320,244. Barnes, H. N. Oct. 18, 1928. Addition to 311,192, [Class 108 (i), Road vehicles, Body details &c. of]. Catches, spring; hook fastenings.-A fastening for sliding roofs of motor-cars &c. of the kind described in the parent Specification comprises a pivoted hook 9 urged by a spring 15 and snapping into engagement with a projection 18 when the cover 4 is moved towards a fixture 16. The hook is pivotally carried by a disc or crank 5 rotatable by a handle 7. When rotated clockwise, Fig. 3, the parts 4, 16 are drawn tightly together, and a shoulder 10 on the hook drops behind a projection 2 in the casing 1 to retain the catch against accidental displacement. To release the catch, handle 7 is rotated anti-clockwise, causing a surface 11, Fig. 5, on the hook to ride on to projection 2, and moving the hook laterally against the action of spring 15. The hook also carries a spring 13, Fig. 2 adapted, when the fastening is tightened, to bear on a stud member 14 causing it to grip wires &c. 19 as described in the parent case, serving as additional fastening means when the roof is closed, and operable to serve as a retaining means when the roof is partly open. The casing 1 has extensions 3 serving as hand-grips for operating the roof. A modification is described in which the projection 18 is replaced by a pivoted, spring-biassed hook engaged by hook 9.
Patent GB-1006906-A (GB)
Title: Reeling device with a series-wound motor
IPC: B65H23/198
Filed: 1962-08-07
Abstract: 1,006,906. Control of D.C. motors. H. LANGWEILER, [trading as T. M. KOMMGES DR-INGHABIL]. Aug. 7, 1962 [Aug. 7, 1961], No. 30236/62. Heading H2J. A series motor M driving a reel is supplied through a semi-conductor rectifier 3 having control signals proportional to the speed and tension of the strip and inversely proportional to the motor current. The speed signal is derived from tachometer generator 10 associated with potentiometer 9 which is calibrated in accordance with the tension. A saturable reactor 7 has a control winding carrying the armature current of the motor.
Patent GB-302408-A (GB)
Abstract: 302,408. Pawlowitsch, P. Sept. 20, 1927. Vegetable tanning; combination tanning processes.-In a rapid tanning process employing vegetable tanning agents the hide is first treated with a tanning solution having a hydrogen ion concentration of from 6 to 12 pH and them with a tanning solution having a concentration of 2 to 5 pH, the temperature of treatment being at from 30‹-37‹ C. The first stage of the process may be carried out with extracts such as quebracho, chestnut, oak, pine bark, &c., the concentration being varied according to the nature of the tanning material. The second stage is carried out by the gradual addition of acid synthetic tanning matter or simply of suitable acids. Reference has been directed by the Comptroller to Specifications 22156/03, 18773/07, and 189,737.
Patent GB-244087-A (GB)
Title: Improvements in chain gearing
IPC: B65G23/00
Filed: 1925-12-01
Abstract: 244,087. Larsson, J. F. Dec. 6, 1924, [Convention date]. Chain gearing. - In chain gearing having a chain wheel 2 the pitch of which is greater than the pitch of the driven chain 8, the chain wheel teeth are constructed so that the link in contact with the operative tooth is allowed to slide along the latter until the next tooth engages the corresponding link. The chain is guided between rods 11, 12 on leaving the wheel in order to avoid jerks. The side plates 15, 16 of the links rest on the edges of discs 4, 5 mounted on the hub 3 of the chain wheel. Each second link is provided with projections 17 to support the red hot iron bars &c. carried. The chain may also be used in agricultural machinery, such as self-binding harvesting machines.
Patent GB-163249-A (GB)
Title: An implement for use in chopping food stuffs
IPC: B26D3/26
Filed: 1920-10-27
Abstract: 163,249. Gregory, G. W. Oct. 27, 1920. Addition to 162,207. Mincing.-In a foodchopper as described in the parent Specification, a spring ejector is used for preventing foodstuffs from accumulating between the blades. The chopper consists of a hollow handle a, a number of safety-razor blades d which are accommodated in slits in the handle and secured by two bolts e, and a sheet - metal ejector f which fits between the blades and is forced outward by a spring g.
Patent GB-235478-A (GB)
Title: Improvements in reinforced concrete sleepers for the permanent way of railways and tramways
IPC: E01B3/36
Filed: 1924-12-18
Abstract: 235,478. Isern y Dominguez, V., and Los Cobos y Cerda., F. P., de. Dec. 18,1924. Sleepers, composite and pot; chair keys.-A reinforced concrete sleeper comprises two concrete end portions 6 spaced and connected by bars, which may be of metal and are capable of flexure, the bars entering and reinforcing the blocks 6, which have an underface serrated at 4 in two oppositely-directed series of teeth. Each block is reinforced as shown, and has a rail recess 3 and jaw 2. Adjacent blocks may have jaws on opposite sides of the rail. The rails are secured by keys, which may be of reinforced concrete or wood, and in the latter case the key may be secured by a nail driven through a hole in the jaw 2 into the key.
Patent GB-1310702-A (GB)
Title: Method and apparatus for electrolytically etching a workpiece
IPC: B23H3/02
Filed: 1970-06-23
Abstract: 1310702 Electrolytic machining MITSUBISHI ELECTRIC CORP 23 June 1970 [23 June 1969] 30494/70 Heading C7B A method of electrolytically etching a workpiece (whereby the gap between the workpiece and working electrode can be kept constant) comprises moving either or both of the workpiece and working electrode towards the other at constant speed and controlling the working voltage in dependence on a signal which represents the sum of a signal proportional to the instantaneous specific resistance of the electrolyte supplied to the working gap and a fixed or settable signal corresponding to the electrolyzing voltage. (The electrolyzing voltage is defined as having a constant value regardless of the current density, which value the electrolyzing voltage approaches as the current density approaches zero). As shown a workpiece 12 is electrolytically etched using a working electrode 16. Electric current is provided from a three phase A.C. source 34 via a transformer 36 and rectifier 52. The working electrode is moved at a constant speed towards the workpiece by a motor M. A first signal proportional to the working voltage is taken from resistance 102. A second signal proportional to the specific resistance of the electrolyte is derived from a detector 108. A third signal of constant magnitude corresponding with the electrolysing voltage is generated at 128. The second and third signals are added and amplified and compared with the first signal at comparison point 100. Any difference between the compared signals causes control through a saturable reactor 42 of the voltage supplied to the transformer 36. This control is effected through circuitry wherein the firing phase of thyristors 92, 94 can be altered. Specified conditions are a working-gap of 0À1 to 0À5 mm, a salt water electrolyte and use of a voltage source providing 5-20 volts and 3,000 to 5,000 amps.
Patent GB-738091-A (GB)
Title: Hydraulic braking systems
IPC: F16D65/74
Filed: 1952-12-02
Abstract: 738,091. Hydraulic brakes. DUNLOP RUBBER CO., Ltd., and BUTLER, H. J. Oct. 26, 1953 [Dec. 2, 1952], No. 30496/52. Class 103 (1). In a hydraulic braking system comprising a master cylinder communicating with a liquid reservoir and with a hydraulically operated mechanism for actuating a brake, a device is inserted between the master cylinder and said mechanism comprising means fluid tightly slidable in a housing in one direction to transmit pressure from the master cylinder to operate the brake-operating mechanism, and in the other direction to cause the brake-operating mechanism to be released by atmospheric pressure. The vehicle brakes may be hydraulically operated drum or disc-type wheel brakes; no springs being fitted to the friction pads to withdraw them from frictional contact with the rotatable member when the braking load is removed. Fig. 1 shows a vehicle braking system in its inoperative condition when the piston 2 of the master cylinder 1 is at the inoperative end thereof; there being free communication between the reservoir 3 and the hydraulic system as far as the cylindrical housing 6 of said device. The valve 15 in the housing is closed by its valve spring 20 and is forced against the associated end of the housing by the pison 12 which is urged in this direction by its return spring 13; the rating of the piston return-spring being such that the force exerted on the piston is slightly greater than the force exerted on the effective area of the piston in the other direction by the static head of hydraulic liquid. On applying pressure to the foot pedal of the master cylinder, the piston 2 therein moves along the cylinder covering the conduit leading to the reservoir and pressurizing the hydraulic liquid in the cylinder and the pipe line 9. This increased pressure moves piston 12 in housing 6 against its return spring 13; the valve 15 being closed, and commences to apply the brakes. After a predetermined movement of the combined piston and valve the projection 19 of the valve spring guide 18 striking the adjacent end of the housing, the piston 12, however, continues to move to open the valve 15 and allow hydraulic pressure to flow therethrough to complete the braking operation. On release of the foot pedal, the master cylinder piston 2 is spring-urged to the inoperative position and the piston 12 in the housing 6 is spring urged back along the housing; the valve 15 in the piston closing before the stroke is completed. Thus further movement of the piston 12 to the end of the housing causes a pressure lower than atmospheric in the pipe line between the housing 6 and the wheel brakes; allowing the plungers of the brake operating mechanisms 1.1 to be forced inwardly a short distance to remove the undesirable rubbing effect of the pads against the rotatable disc. Specifications 688,382 and 697,742, [Group XXIX], are referred to.
Patent GB-818153-A (GB)
Title: Heat-sealable coating compositions for regenerated cellulose film
IPC: C08J7/052
Filed: 1955-10-25
Abstract: A non-fibrous cellulosic film is coated with a heat-sealable composition comprising nitrocellulose and from 2 per cent to 20 per cent (by weight of the composition), of tri-2-ethyl-hexylphosphate. The invention also includes a composition containing (a) nitrocellulose, (b) wax or a wax-like substance, (c) a blending agent for the wax and the nitrocellulose, and (d) from 20 to 50 per cent (by weight of the composition) of a mixture of plasticising materials of which 10 per cent to 40 per cent (by weight of the mixture) is tri-2-ethyl-hexyl-phosphate; (b) may be carnauba, candelilla or palm wax, ozokerite, paraffin wax or hydrogenated cottonseed oil; (c) may be kopal, gum damar or other natural resin, ester gum, maleic acid ester gum or resin modified with pentaerythritol; (d) may contain dibutyl phthalate, diphenyl phthalate, dibenzyl phthalate, dicarbitol phthalate, phthalimidoethyl propionate, dibutyl sebacate, dicetyl sebacate, tricresyl phosphate, tributoxy ethyl phosphate, castor oil, soya bean oil, cottonseed oil, rapeseed oil, blown and hydrogenated oils, or resinous condensation products from glycerol or ethylene glycol and adipic acid, sebacic acid or glutaric acid.  The composition may also include, as an anti-blocking agent, a styrenebutadiene copolymer, bentonite, silica or talc and may be dissolved in a mixture of ethyl or butyl acetate, ethyl and/or butyl alcohol and benzene, xylene or toluene.  Films coated with the composition may be composed of regenerated cellulose, hydroxyethyl cellulose, carboxy methyl cellulose or ethyl cellulose and, prior to the application of the composition, the film may be given an anchor coating of a thermosetting resin.
Patent GB-1177946-A (GB)
Title: Improvements in or relating to Camera Tubes
IPC: H01J29/02
Filed: 1966-07-08
Abstract: 1,177,946. Image pick-up tubes. NIPPON ELECTRIC CO. Ltd. 8 July, 1966 [8 July, 1965], No. 30732/66. Heading H1D In an image orthieon tube in which the return beam falls on the first dynode of an electron multiplier, the first dynode being mounted on the end of the electron gun and having a beam limiting aperture for the primary beam, the beam limiting aperture has a length not exceeding 50 microns, eÀg. 10-20 microns, and the interior surface of the aperature may be coated with secondary electron suppressing material. The production of secondary electrons by the primary beam is thereby reduced and the beam limiting electrode may consist of a thin tantalum sheet supported on a thicker plate of nickel-chrome alloy. The beam limiting aperture may have a diameter of 40 microns, the tantalum sheet being mounted on the first dynode consisting of silver coated with chromium and having an aperture with a diameter of 60 microns. The beam limiting aperture may be comprised by. the leading edge of a divergent conical bore or by a narrowed part of a larger bore, e.g. 60 or 100 microns in diameter, at the cathode end of the bore or at the far end respectively. The secondary electron suppressing material may comprise porous carbon or powdered zirconium oxide deposited to form an uneven surface.
Patent GB-192526-A (GB)
Title: Improvements relating to coal and like cutting machines
IPC: E21C29/10
Filed: 1921-11-17
Abstract: 192,526. Wild, M. B., Dunn, W. H., and Wild & Co., Ltd., M. B. Nov. 17,1921. Variable-speed toothed gearing employed in a coal-cutting machine comprises a driven wormwheel h fixed to a pinion i, and a pinion j adapted to be clutched either to the worm-wheel h or to a wheel k; a slow drive to a wheel p is effected through gears h, i, l, m, k, j, n, o and a fast drive through gears h, j, n, o.
Patent GB-336422-A (GB)
Title: Improvements in or relating to automatic lathes
IPC: B23B9/02
Filed: 1929-10-10
Abstract: 336,422. Sch³tte, A. H. June 22, 1929, [Convention date]. Lathes. - In a multiple-spindle work-turret lathe, the spindles are driven from a central shaft through clutches arranged in the headstock between the spindle bearings, the clutches being disengaged in one position of the turret to allow the work in the chuck to be changed. The turret comprises a drum 3 intermittently rotated by mechanism, (not shown), within a headstock 1 which is slidable along ways on the lathe bed. The work-spindles 5, supported by roller bearings 6, 7 have coxial clutch members 13 keyed thereto which co-operate with corresponding clutch surfaces on gear wheels 10 rotatable on ball bearings on the spindles and driven by a central gear 9 on a driving shaft 11. The gears 10 are moved axially to control the clutches by means of levers 18 pivoted on collars 17 carried by sleeves 15 keyed to the spindles. The levers are actuated by cones 16 whose peripheral grooves 19 are engaged by yokes 20 axially slidable in the headstock. Bolts 21 in the yokes have their heads 25 projecting into a circumferential groove 26 in the headstock to allow the clutches to be engaged during the major portion of the rotation of the turret, a plug 22 with a cam slot 23 being provided at one station to disengage the clutch at that station. A de-coupling spring (not shown) may be provided between the parts 10, 13, and a brake (not shown) may be added for bringing to rest the spindle which has been de-clutched.
Patent GB-897549-A (GB)
Title: Improvements relating to endless articulated slat conveyers
Inventor: BESSANT LESLIE ARTHUR
IPC: B65G17/38
Filed: 1959-09-10
Abstract: 897,549. Endless articulated platform conveyers. SUPREME CONVEYOR BELT CO. Ltd. Nov. 23, 1960 [Sept. 10, 1959], No. 30867/59. Class 78 (1). An endless conveyer consists of a series of platforms 10 each having welded to its underside a box-like structure 12 of sheet-metal having an open end, within which a connecting link block 15 is received on a horizontal pivot pin 14 secured in the sides of the structure 12, and a closed end provided with a horizontal flange 124, the opposite end of an adjacent block 15 being received between the flange 124 and the platform on a vertical pin 13 secured in the platform and flange. The spaces between the ends of the blocks 15 inserted into the structures 12 and the closed ends of the structures 12 are adapted to receive the teeth of a driving sprocket.
Patent GB-1527883-A (GB)
Title: Control apparatus for controlling a motion picture target apparatus
IPC: G03B29/00
Filed: 1976-07-23
Abstract: 1527883 Training device DETRAS TRAINING AIDS Ltd 14 Sept 1977 [23 July 1976] 30936/76 Heading G2E Apparatus for marksmanship training comprises cine projector 11 for producing an image of a moving target on screen 10, audio detector 13 for starting operation of the projector in response to the firing of a missile, and control device 14 for stopping movement of film through the projector and raising the image of the target in dependence on a selected target distance and missile trajectory. Control device 14 comprises a store or computer for the distance and trajectory information. The image is raised by tilting the projector or by means of a mirror. Screen 10 comprises two spaced layers formed from a paper web passing round an upper roller 16 and having separate supply and take up spools. The missile hole (through both paper layers) is indicated by rear illumination 20. After the hole relative to the target image has been examined, the paper layers are displaced in opposite directions and the projector reset. The apparatus may be reset automatically after a predetermined period of time.
Patent GB-1195394-A (GB)
Title: A Vulcanizable Rubber Composition
IPC: C07C37/20
Filed: 1967-07-05
Abstract: 1,195,394. Phenol derivatives. KOPPERS CO. Inc. 5 July, 1967 [15 July, 1966], No. 31062/67. Heading C2C. [Also in Divisions C3 and D1] 2 - Methyl - 4,6 - di-(hydroxymethyl) phenol was prepared by methylolation of o-cresol by formaldehyde and then etherified with methanol to give 2-methyl-4,6-di-(methoxymethyl) phenol.
Patent GB-1221848-A (GB)
Title: Data transfer controller
IPC: G06F3/08
Filed: 1968-06-28
Abstract: 1,221,848. Data transfer controller. BURROUGHS CORP. 28 June, 1968 [3 July, 1967], No. 31072/68. Heading G4A. Information from a punched card reader or other similar data-transmission device is transmitted to a data processing or communications system by a controller apparatus which includes decoding means and control means responsive to decoding of control codes received from said reader or similar device for controlling the incremental advancement of information and the mode of operation of said reader or similar device. As shown (Fig. 2), information from the sensors of a punched card reader 30 is transmitted by way of buses 32, 52 and a code converter 61, which converts from a 12-bit card code into a 5-bit Bandot code (see below), to an output register 63 from where it is counted out serially by a bit counter 67 to an output driver 43. Information on bus 52 is also applied to decoders 71 and 81 connected to control units 57 and 59 to interrupt the normal column by column operation of the card reader and initiate continuous card movement to skip the sensing of one or more card columns and if required to initiate other operations such as carriage return and line feed. The output from converter 61 includes a sixth signal which indicates whether the associated 5-bits represent alphabetic characters or numeric and other symbolic characters. Only 5-bits are transmitted by the output driver 43 so changes from letters to figures &c. and vice versa must be noted by inclusion in the transmitted information of letters-shift-characters and figures-shift characters respectively. Shift characters may be included in the information punched into the cards and a check is made in units 91, 93, 101, 105 that all necessary shift characters are included. In the absence of a shift character, a suitable character is generated by unit 95 and included in the information transmitted, the card reader operation being interrupted to allow for this.
Patent GB-465490-A (GB)
Title: Improvements in or relating to apparatus for cooling or heating beer or like beverages
IPC: F25D31/00
Filed: 1935-11-11
Abstract: 465,490. Cooling and heating beer &c. MURRAY, T. S. S., and MURRAY, F. L. S. Nov. 11, 1935, Nos. 31137/35 and 15754/36. [Class 29] A heat-exchanging apparatus for fitting in draw-off conduits for beer and other beverages in the manner described in Specification 416,722, is provided with an annular passage for the beer &c. formed between parts which may be separated for cleaning of the passage without disconnection of the inlet and outlet conduits for the beer and for the heating or cooling medium. In the apparatus shown in Fig. 1, the walls 5, 10 of an annular passage 6 for a heating or cooling medium are secured to end rings 8, 9, and an inner closed-ended cylinder 4 is mounted on a cap member 13 secured by bolts 14 to the upper ring 8, the beer flowing through the annular space 1 between the wall 5 and the cylinder 4 from an inlet conduit 2 connected to a radial port in the ring 9 to an outlet conduit 3 connected to a radial port in the ring 8. The heating or cooling medium enters through a port 17 in the ring 9 and flows through ports in the cap member 13 into and out of the cylinder 4. The wall of the cylinder 4 is accessible by removing it with the cap 13, and an end cover 12 on the ring 9 may be removed to give access to the wall 5. In the construction shown in Fig. 3, the annular passage for the beer &c. is provided between a glass rod or closedended tube 42 and the inner wall 43 of a jacket for cooling or heating medium, the jacket walls being united to end rings 45, 46 provided with screwed caps 47, 48 to which the beer conduits are connected. The rod 42 is held in place by wire frames 52 and is readily removed for cleaning. In a further modification a cylindrical closed-ended chamber through which the cooling &c. medium flows depends from a removable cap into an outer cylinder through which the beer &c. flows. The apparatus may be fitted as an extension of the lower end of a beer engine, which may also have an external cooling jacket.
Patent GB-207367-A (GB)
Title: Improvements in and relating to adjustable spanners
IPC: B25B13/24
Filed: 1922-11-14
Abstract: 207,367. James, R. W., (M³ller & Co., Ges., C.). Nov. 14, 1922. Sliding-jaw wrenches.-A wrench of the slipjaw type comprises a fixed jaw a, which is slotted to receive the shank f of a movable jaw e spring-pressed towards the jaw a, and a handle d pivoted at c between side-cheeks b extending from the jaw a. An eccentric surface l, provided on the handle d engages a recess in a loose block m having a roughened upper surface co-operating with a similar surface on the shank f, so that movement of the handle clamps the jaws e in adjusted position and provides a final grip. The spring for closing the jaws may be a spiral spring h, housed in a cylindrical slot in the shank f, retained in position by a plate slidable in a dove-tail slot in the jaw a and guided by a pin k screwed through the plate. In a modification, the upper surface of the block m and the undersurface of the shank f are arranged at an angle thus providing a wedging action to retain the jaws against unintentional movement when in the locked position.