baber/WOPTO huggingface dataset:
Patent GB-670508-A (GB)
Title: Process for joining sheet metal or other sheet material
IPC: B21D39/03
Filed: 1949-03-15
Abstract: 670,508. Sheet-metal joints. PFISTERSHAMMER, J. March 15, 1949 [April 9, 1948], No. 7090/49. Class 83 (iv). [Also in Group VIII] Process of joining sheet material by providing cuts at or near the edges to be joined to form tongues, bending the tongues out of the plane of the sheet to an extent about equal to the thickness to leave slots and then pressing each tongue into a slot of the other edge is characterized in that the edges are cut by sinuous lines to form tongues which are bent alternately up and down into planes parallel to the sheet or is characterized in that the tongues and slots are short and rectangular, the length of the tongues is less than twice the thickness of the sheet and the tongues are bent at about right angles to the sheet and substantially fill the corresponding slots. If the cuts 2 are in the edge they preferably have identical undulating or angular form. Alternate tongues A and B are offset upwardly, Fig. 2, and a and b downwardly. The edges of the sheets or, as shown, of the sheet are then brought together, Fig. 3, and pressed at p on a support P to interengage tongues and slots. The joint may then be soldered, e.g. immersed in zinc, solder, &c. or the tongues &c. may be precoated or interleaved with solder and heated while being pressed. If the cuts are not in the edge they form identical tongues 12, 13, Fig. 7, which are bent as shown, thus leaving slots 14, 15 into each of which a tongue of the adjacent sheet or edge is forced the protruding ends 9, Fig. 9, then being flattened by high pressure. Butted sheets may be joined by using a strip 20, Fig. 12, joined to both sheets 16, 17 by this method which can be used for all kinds of material. Instead of using solder the joint may be sealed by cement or other hardenable material, e.g. aluminium alloy or non-metallic sheet, or in the case of edge tongues A, a, B, b these may be finally connected by hollow rivets. The method may be used in making cylindrical or conical tubes. If desired, two or more rows of tongues and slots may be provided in each sheet in staggered relation.
Patent GB-491870-A (GB)
Title: Radiators or water cooling apparatus for use in connection with the internal combustion engines of motor road vehicles and for like apparatus
IPC: F28D1/053
Filed: 1937-03-11
Abstract: 491,870. Joint - making packing. ISHERWOOD, N. March 11, 1937, No. 7121. [Class 122 (iii)] [Also in Group XIII] The circulating tubes 2 of a motor car radiator having longitudinally grooved outer and inner surfaces 2a, 2b, are connected to cylindrical tubes a<1>, b<1>, by means of joint forming members 3 of indiarubber or similar substance, with flanges 3d and having appropriate fluted shapes and cylindrical bores.
Patent GB-140082-A (GB)
Title: Improvements in and connected with screw propellers
IPC: B63H1/28
Filed: 1920-03-09
Abstract: 140,082. Wagner, R. July 14, 1915, [Convention date]. Screw propellers.-The pitch of a propeller increases from the circumference towards the centre, and a counter-propeller is used having a diameter less than the diameter of the main propeller. The main propeller a has its trailing edge b straight in side elevation, and its pitch increases towards the boss. The counter-propeller c consists of six blades attached to or made integral with the fixed boss. The diameter of the counter propeller varies inversely with .the variation of the pitch of the main propeller, and is reduced in accordance with the increase in the pitch of the main propeller towards the centre. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a description of details shown in side elevation with reference to Fig. 1 (Cancelled). The vertical blades registering with the rudder post may be hollow and may be connected with the rudder post by means of bolts f, g, h. This subject-matter does not appear in the Specification as accepted.
Patent GB-688841-A (GB)
Title: Improved change-speed gear transmission for motor vehicles
Inventor: ACRES FREDERICK ALBERT STEPNEY
IPC: F16H3/08
Filed: 1950-03-23
Abstract: 688,841. Change-speed gearing. VAUXHALL MOTORS, Ltd. March 22, 1951 [March 23, 1950], No. 7252/50. Class 80 (ii). [Also in Group XXXI] Change speed and reverse gearing for motor vehicles, giving six forward and two reverse ratios, comprises gears 17, 18, 19, fast on a shaft 11 driven by a prime mover through a coupling 15, which mesh gears 25, 26, 27 rotatable upon an intermediate shaft 21, carrying fast gears 28, 29 meshing gears 36, 37 rotatable upon a driven shaft 35. The loose gears 25 &c. 36, 37, are selectively connected for rotation with their respective shafts by inertia-check synchromesh clutches 31, 32, 38. Reverse ratios are obtained by sliding two gears 43, 44 on a shaft 42 into engagement with gear 28 and with a gear 20 fast on the driving shaft. A power take-off for an optional driven load is provided at 16, and a front wheel drive can be obtained by coupling a shaft 40 to the shaft 35 through a dog-clutch 41. Specification 688,842 is referred to.
Patent GB-392321-A (GB)
Title: Improvements in methods of improving the quality of images in optical instruments
IPC: G02B27/58
Filed: 1932-03-11
Abstract: 392,321. Optical apparatus. ZEISS, C., [Firm of], Carl-Zeiss-Strasse, Jena, Germany. March 11, 1932, No. 7261. Convention date, March 21, 1931. [Class 97 (i).] In order to improve the image quality in optical instruments, the light passing through the instrument is modulated by artificial means so as to produce a continuous decrease in intensity from the centre towards the margin. In order not to reduce too much the intensity of the image, the total decrease in intensity of light produced by the modulation is arranged to be between and ¥, and is preferably about 2/3. The modulation may be effected for example by using lenses the curvatures and absorption capacities of which are greater than normal, or, in the case of reflectors, by gradation of the reflecting surfaces. Alternatively the modulation means may be provided on additional members such as plates. Preferably the modulation means are situated in or near the effective aperture of the optical system or near real images thereof produced by the system or its parts.
Patent GB-526244-A (GB)
Title: Improvements in or relating to spraying or sprinkler devices
IPC: B05B1/18
Filed: 1939-03-06
Abstract: 526,244. Sprinklers. TANNER, T. H., and VALBANIA, Ltd. March 6, 1939, No. 7284. [Class 69 (iii)] A sprinkler suitable for use as a bath spray head comprises a nozzle body 1 provided with two or more frusto-conical discs 5, 12 having peripheral grooves therein forming spreader members, the conical face of each spreader resting on an edge provided on the surrounding member to make substantially line contact and form concentric rings of spray orifices. The spray head comprises a nozzle body 1, having a bridge piece 2 with holes 3 for the passage of water and provided with stepped shoulders 4 against which the inner conical member 5 rests, this member being provided with similar shoulders 9 engaging the inner conical member 12 which is held by a screw 14 supported by the bridge piece. The angle of the cone with the vertical axis is small, preferably about 4¢ degrees.
Patent GB-984888-A (GB)
Title: Motor vehicle body
IPC: B60H1/24
Filed: 1964-02-21
Abstract: 984,888. Vehicle bodies. FORD MOTOR CO. Ltd. Feb. 21, 1964, [May 20, 1963], No. 7300/64. Hdading B7B. A vehicle has a transverse duct 15 over the rear window 13 communicating at its ends with the interior of the rear pillars 5 which are provided with apertures so that air may be extracted from adjacent the rear window.
Patent GB-1507762-A (GB)
Title: Liquid-cooled rotary piston engines
IPC: F01M11/00
Filed: 1976-02-25
Abstract: 1507762 Rotary positive displacement fluid machines AUDI NSU AUTO UNION AG 25 Feb 1976 [15 March 1975] 07345/76 Heading F1F In a rotary-piston I.C. engine (Wankel-type, as shown), the casing members 1, 3, 4, 5 have passages and cavities defining two separate coolant circuits, the coolant passing through cavities 1b, 3b, 4b adjacent the 'hot' zone of the engine also passing in series through the piston 12. Coolant/lubricant is drawn from a sump 21 by a pump 20 and passed via pipe 22 to shaft bearings 7, 8 and piston bearings 11 and thence to the interior of pistons 12 (a pair shown in Fig. 2). From there the coolant passes into cavities 3b, 4b and then into cavities 1b, exiting via passages 27 to the sump 21. At high speeds and thus high pump output coolant is by-passed via valve 24 and line 23 to cavities 1b to enhance the cooling. The other coolant circuit comprises cavities 1a, 3a, 4a and 5a. In a modification, Fig. 3 (not shown) the coolant leaves cavities 1b via a cavity in the intermediate casing member (30) from which it returns through a stand pipe (31) to the sump. In another modification, Fig. 4 (not shown), the sump has a small collecting reservoir (33) from which the pump draws fluid until the coolant reaches a certain temperature at which the collecting reservoir and remainder of the sump are placed in communication.
Patent GB-632952-A (GB)
Title: Improvements in or relating to a method of rectifying heat treating baths
Filed: 1947-03-18
Abstract: In a method of rectifying a neutral molten salt bath consisting of chlorides such as those of barium, sodium, and/or potassium a member of the group consisting of chlorine, bromine, fluorine, alkyl halides thereof and hydrochloric acid is injected in the gaseous state into the bath while in an open pot.  The preferred compounds are methyl chloride dichlorodifluoromethane or dichloromonofluoromethane. Bromine or carbon tetrachloride being liquids must be vaporized before use.  The gases may be added continuously or intermittently. The Specification as open to inspection under Sect. 91 comprises also the use of trichloroethylene.  This subject-matter does not appear in the Specification as accepted.
Patent GB-365394-A (GB)
Title: Improvements in electrically-heated hollow-ware
IPC: A47J27/21
Filed: 1931-03-12
Abstract: 365,394. Electric kettles &c. MOSELEY, H. G., Eddo Works, Hospital Street, Birmingham, and PEARSON, H., 15, Blackacre Road, Dudley, Worcestershire. March 12, 1931, No. 7575. [Class 39 (iii).] The bottom is formed with a recess 6 into which is brazed or soldered the head or end of the screw 5 which clamps the heating element 3 in position. An annular recess 7 is provided to receive the heating element which is clamped by the plate 8 and nut 10. The skirt 2 is closed by a plate 11 held on the screw 5 by a nut 12.
Patent GB-539682-A (GB)
Title: Safety device for pit and like cages
IPC: B66B5/04
Filed: 1940-04-27
Abstract: 539,682. Safety devices for lift cages. HECTOR, G. April 27, 1940, No. 7592. [Class 78 (iii)] In a safety device for pit and like cages in which a safety rope 8 secured to the cage tops passes over an idler pulley 1 supported in vertically movable bearings and adapted to apply a brake to the rope 8 on breakage of the main hauling rope, the brake comprises fixed members 20 and horizontally slidable members 17 adapted to grip the rope 8 between them. In one form, Fig. 2, the bearings. for the shaft 11 of the pulley 1 are formed in wedge members 9 supported by adjustable springs 14 on guide pillars 16 and engaging inclined members 10 slidable in guides 10a and carrying the brake members 17. In a modification, Fig. 3, the brake members 17 are carried by slides 27 connected to the bearing blocks 23 by links 29, levers 21 and links 26a, and adjustment of the spring 14 is effected by a screw 30. The springs 14 may be replaced by counter-weighted means for supporting the bearings.
Patent GB-668980-A (GB)
Title: Improvements in or relating to rucksacks
IPC: A45F3/04
Filed: 1950-03-27
Abstract: 668,980. Body harness. SORGAARDEN, H. March 27, 1950, No. 7650/50. Class 141. [Also in Group XVII] A rucksack has a hip bow consisting of a back member in the form of a strap 1, secured at each end to the rucksack by means of a, smaller strap4; and two side rigid members 2 which are pivotally connected to the rucksack and have loops 3 in which the strap 1 is slidably guided, the junction between the straps 1 and 4 forming a stop abutment for the loops. When not in use the side members may be folded flat on the rucksack.
Patent GB-305852-A (GB)
Title: Improvements in multiple tyred wheels for vehicles
IPC: B60C27/04
Filed: 1928-03-13
Abstract: 305,852. Baron, H., (Lanz Akt.-Ges., H.). March 13, 1928. Slipping-preventing attachments to wheels.-Metal cleats e adapted to lie across the treads of twin tyres b, or between the tyres when not in use, are held in position by means of nested springs d, d'.
Patent GB-748167-A (GB)
Title: Process for reducing iron ore by means of a gaseous reducing agent and plant therefor
IPC: C21B13/00
Filed: 1954-03-17
Abstract: A process for reducing iron ore to sponge iron by means of a gaseous reducing agent comprising carbon monoxide and hydrogen comprises removing a part of the gases from a zone of a reducing furnace in which there is final reduction of ferrous oxide to iron, separating from these gases the fully oxidised compounds, e.g. steam and carbon dioxide, therein, and re-cycling the remaining hydrogen and carbon monoxide to the reducing furnace. The carbon dioxide and steam are removed by cooling the gases and subjecting them to washing by a substance capable of absorbing the carbon dioxide.  Make-up gas is supplied to the re-cycled gas and is produced by a reaction between methane and carbon dioxide, the latter being obtained during the regeneration of the carbon dioxide absorbing liquid.  The reducing gas is preheated before being supplied to the reduction zone and part of the gas from this zone is drawn off and cooled before reaching the main blower, by which time it is cold and has had some of the steam removed.  It then passes to a series of washers to remove carbon dioxide and the remainder of the steam, and is finally stored in a gas holder with make-up gas.  Specification 728,738, [Group XII], is referred to.
Patent GB-195856-A (GB)
Title: Improvements in apparatus for measuring and discharging heated tar and other bituminous substances
IPC: E01C19/10
Filed: 1922-03-17
Abstract: 195,856. Gettings, S. S., and Bodman, W. L. March 17, 1922. Fixed-chamber apparatus; discharge by separate fluid; with air control of level; varying quantity measured.-An apparatus for delivering measured quantities of molten tar or like substance for the preparation of tar-macadam or for other purposes, comprises a tar-boiler p in communication, through a valve-controlled port, with a measuring- vessel q situated within or beside the container, and of the type having an adjustable air-escape pipe to regulate the quantity of tar admitted. The molten tar flows through the perforated stand pipe a into the vessel q when the inlet-valve q<1> is opened. By adjusting the height of the lower end of the air-escape pipe q<5> in the measuring-vessel, the quantity admitted may be regulated, graduations on the pipe reading against a fixed pointer on the casing to facilitate this. Operation of the lever q' simultaneously closes the valve q' and opens the outlet valve q<3>, while a two-way cock q<6> closes the air-escape pipe q<5> to atmosphere and opens it to the pressure of air produced by an air-compressor q<9> to force out the measured quantity of tar. According to the Provisional Specification, a fluted or polygonal rod' may be inserted in the pipe q<5> to reduce the cross-sectional area. and to facilitate cleaning.
Patent GB-1089966-A (GB)
Title: Thermo-electric devices
Inventor: WILKINS FREDERICK JOHN
IPC: H01L35/00
Filed: 1965-02-23
Abstract: 1,089,966. Thermoelectric devices. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Feb. 23, 1966 [Feb. 23, 1965], No. 7861/65. Addition to 1,089,781. Heading H1K. [Also in Division G1] In a multi-junction thermoelectric converter according to the parent Specification, a generally triangular section helix having a rod-like support along each apex has the supports secured to the helix by an epoxy resin or other electrically insulating cement which will withstand temperatures of up to 240 C. In one method of making the device the first step is to secure a twisted loop of wire 53, an enamelled wire 57 and a tinned copper wire 58 in parallel relationship on a polystyrene sheet 56 by means of polystyrene cement. The sheet is then fixed to a triangular section polystyrene core 52 so that the twisted loop 53 is disposed along one apex, a thin mica strip 55 is cemented to the core adjacent a second apex, and a further twisted loop 59 (not shown) attached to a second sheet of polystyrene is cemented along the third apex. Constantan wire 51 is then wound tightly on the core at 200 to 300 turns to the inch and epoxy resin cement capable of withstanding temperatures of up to 240 C. is applied as at 63 to bond the twisted loops 53, 59 to the helix. A guide wire 62 may be employed to facilitate the application of the resin, the wire being subsequently removed when the resin has set. A thick polystyrene sheet 64 carrying a tinned copper strip 65 is secured to the helix with polystyrene cement to cover the region between the enamelled wire 57 and the twisted loop 53 and the whole assembly is immersed in a plating bath to deposit copper on the exposed portion of the helix. During plating current is supplied to the helix through the wire 58 and strip 65. After cleaning, the mica strip 55 is secured to the helix with epoxy resin cement and all the polystyrene is dissolved away, thereby freeing the wires 57, 58 and the strip 65 and leaving the helix firmly bonded to the twisted loops 53, 59 and the mica strip 55 which form the three supports. The finished helix may then be mounted in an evacuated copper box (Figs. 6 and 7, not shown) lined with sheets of aluminized mica, the box being baked at 200 -220 C. during the evacuation. The device is employed in measuring A.C. currents at audio and high frequencies or as a high-frequency wattmeter, the twisted loop 53 being the heater which carries the current to be measured. A differential converter may be made by using the twisted loop 59 as a second heater and plating the helix so that the side between the loops 53 and 59 is bare. Monofilar heaters may be used in place of twisted loops. The thickness of the copper coating is preferably selected so that the temperature coefficient of the converter is substantially zero and the output is a maximum for a given input current.
Patent GB-384871-A (GB)
Title: Improvements in and relating to flat hosiery frames and to the manufacture of hosiery thereon
IPC: D04B11/00
Filed: 1932-03-16
Abstract: 384,871. Straight-bar knitting- machines. LIEBERKNECHT, K. R. and LIEBERKNECHT GES., K., Oberlungwitz, Germany. March 16, 1932, No. 7875. [Class 74 (ii).] Knocking-over bits are provided with additional hooks 11 shaped to the same curve as the parts 7. These hooks receive the loops of the second course after the completion of the heel flaps of a stocking &c., the first course being received in the depressions 8.
Patent GB-577503-A (GB)
Title: Improvements in or relating to fastening devices
IPC: B64D17/32
Filed: 1944-04-28
Abstract: 577,503. Parachute &c. fastenings. SCEALES, E. S., and IRVING AIR CHUTE OF GREAT BRITAIN, Ltd. April 28, 1944, No. 8003. [Class 44] A fastening device more particularly a quickrelease device for parachute harness is arranged to connect at least two groups of strap ends, e.g., strap ends 1-4 and strap ends 5, 6 and the means for connecting the strap ends 5, 6 become effective to hold these ends when the fastening device is moved into a position to connect the strap ends 1-4, both groups being released by a common control. The strap ends 5, 6 are connected by a link 43 mounted on the strap 5 and having at one end a roller 44 adapted to be passed through slots 35, 36 in rotatably cooperating flanged discs 26, 27, the disc 27 being fixed to the strap 6. Mounted on the disc 26 is a quick release box 9 for the harness straps 1-4 and it is necessary to turn this box against the action of springs 31 operating between the discs 26, 27 to place it in position for connecting the straps 1-4. This rotation of the box 9 and thus of the disc 26 brings the slot 35 out of register with the slot 36 and the roller 44 is thus trapped and completes the connection of the straps 5, 6. During this movement, the link 43 enters an elongated slot in the disc 26. The disc 26 is held in this position by the straps 1-4 and when these straps are released the springs 31 return the disc 26 and release the straps 5, 6. The link 43 is mounted on the strap 6 by means of a roller 42 and an arcuate guideway 40. The straps 1-4 are connected to the quick release box 9 by means of spring plungers 10 engaging slotted members 11 on the ends of the straps. The straps are released by a spider 15 engaging flanges on the plungers and operated by a hub 16 and a control disc 17. These parts are held in inoperative position by a spring detent 18. Rotation of the disc 17 moves the detent outwards by a cam surface and allows the disc to be depressed to release the straps and the detent snaps over a shoulder to hold the parts in release position. To re-engage the strap ends the disc is turned back again and when the detent has passed a lug the parts return to connecting position again under the influence of the springs of the plungers 10.
Patent GB-783064-A (GB)
Title: Improvements in and relating to the manufacture of electric communication cables
IPC: H01B11/00
Filed: 1956-03-14
Abstract: 783,064. Cables. NAAMLOOZE VENNOOTSCHAP NEDERLANDSCHE KABELFABRIEK. March 14, 1956 [March 15, 1955; Aug. 9, 1955], No. 8041/56. Class 36. A communication cable includes a resilient thermoplastic insulating core 21 (Fig. 6) having a plurality of conductors 22 partially embedded in and fused to its periphery. The assembly may be enclosed in a further layer 23 of the insulation having conductors 24 partially embedded in and fused to its surface. Further insulating layers, each similarly carrying a group of conductors may be added, and the cable may be completed with a watertight insulating jacket 25. The various conductor groups may be uncoupled from one another by laying them with different pitches, and one of the groups may be laid with infinite pitch. In making the cable the core 1 (Fig., 1), which may be made of foamed polyethylene, is fed through a matrix 9 in which it is a loose fit. Each conductor 2, which may be bare or covered with a uniform coating which may be coloured for identification, is fed from a coil 7, through heater 11 and slot 10 in tube 8 to a groove in matrix 9, where the hot conductor is partially pressed into and fused to the core. If the conductors are to be laid with a finite pitch, the apparatus including the tube 8, coils 7 and matrix 9 is rotated about the core.
Patent GB-666163-A (GB)
Title: Improvements in or relating to phosphors
IPC: C09K11/71
Filed: 1949-03-24
Abstract: 666,163. Luminescent materials. WESTING- HOUSE ELECTRIC INTERNATIONAL CO. March 24, 1949 [May 15, 1948]. No. 8050/49. Drawings to Specification. Class 39 (i). A phosphor particularly for fluorescent lamps consists essentially of a thallium-activated phosphate of calcium with from 4 to 12 per cent of magnesium phosphate in solid solution. The peak of emission is at about 3190 A.U. Tertiary magnesium phosphate, calcium carbonate, diammonium phosphate are ground together and either tertiary thalluim phosphate or thallium sulphate mixed in before firing at 950‹ C. suitable proportions of ingredients being specified.
Patent GB-350048-A (GB)
Title: Improvements in the manufacture of steel
IPC: C22C38/18
Filed: 1930-03-12
Abstract: A steel alloy, particularly for superheater and boiler tubes, contains 4-10 per cent of chromium, 0,2-0,7 per cent of silicon, 0,05-0,2 per cent of carbon, and 0,2-0,45 per cent of manganese, with or without a total of up to about 1 per cent of one or more of the following metals: nickel, cobalt, molybdenum, tungsten, vanadium, and titanium.  Specifications 155,838 and 235,401, [both in Class 82 (i), Metals, Extracting &c.], are referred to.