baber/WOPTO huggingface dataset:
Patent GB-541758-A (GB)
Title: Improvements in photographic cameras
IPC: G03B19/02
Filed: 1939-02-22
Abstract: 541,758. Multiple-photograph cameras ; photographic shutters. MOBIUS, H., and FRIEDERICHS, H. Feb. 22, 1939, No. 5923. Convention date, Feb. 22, 1938. [Class 98 (i)] In a camera in which the holder for the lightsensitive material is horizontally and vertically displaceable, the horizontal displacement of the carriage for the holder is effected by a chainhaving a driver pin and the chain is driven in step-by-step manner by a Geneva movement connected through right-angle gearing with a handcrank. As shown, the holder 11 has a rear frame 12 which is used to receive a focusing screen. The bracket 17 limits downward movement of the holder in the vertical guides 5. When the carriage 4 which moves horizontally on guides 3 encounters either of the stops 10, the pins 9 in one of the guides 5 are displaced and release the pins 7 by means of the pinions 8. The holder 11 falls until stopped by the next lower pin on the other side. A locking pin 18 prevents further displacement of the holder 11 when it reaches the bracket 17. The stepwise horizontal movement is effected by a handcrank 19 driving a shaft 23, Fig. 6, through right-angled helical gearing. On the shaft 23 is a driving member carrying a stop member 27 and two driving pins 28 engaging in the slots 29 of the driver member 30. The member 30 is freely mounted on the shaft 31 and carries a plate 33 provided with a chain sprocket 32 driving a chain 34 carrying a driving pin 35 and guided over the freely rotatable sprocket 36. The pin 35 engages in a slot 38 in the carriage 4 and reciprocates the latter horizontally. The objective 40 is focused by rack- and-pinion mechanism. The rotating slotted shutter 45 freely rotatable on the shaft 23 has an eccentric pin to which is attached a spring whose tension is varied by a rotatable crank. A lug on the shutter is in the path of two pins on one of the helical gears. The shutter 45 participates in the movement of the gear from rest until the spring reaches top dead-centre position, whereupon the opening in the shutter is snapped past the objective 40 at a speed dependent on the spring tension. The movement comes to rest when a peripheral lug on the shutter passes under a resilient stop. A lens for observing the focused image may be provided at the back of the housing 1.
Patent GB-881654-A (GB)
Title: Improvements in or relating to paper retaining devices for files
Inventor: MEURER ALFRED
IPC: B42F13/24
Filed: 1958-02-24
Abstract: 881,654. Filing papers. SOENNECKEN, A., [trading as SOENNECKEN, F. [firm of]]. Feb. 24, 1958, No. 5934/58. Class 146(1) A paper retaining device for a file includes a base plate 1 carrying fixed threading-on pins 3, locking hoops 4 pivotally mounted on the base and interconnected by a pivot member 6 formed with a crank 5, a spring 8 bearing against the crank and urging the locking hoops into an open position out of contact with the threading-on-pins and an operating lever 9 pivotally mounted near one end of the base plate 1 and having a lug portion 22 co-operating with the crank 5 for selectively moving the locking hoops 4 into and out of contact with the threading-on pins 3, the operating lever being formed with a catch which is engageable with a co-operating catch on the base plate to hold the operating lever and thereby the locking hoops in the closed position, the operating lever also being sufficiently resiliently displaceable in the direction perpendicular to the plane of its pivotal movement between the open and closed positions to enable the catches to be disengaged from each other by movement of the free end of the operating lever in this direction. The lever 9 of L-shaped cross-section is pivoted at 11 to a bearing plate 10 punched out of the base-plate 1. The lug 22 on the lever 9 engages the upper side of the crank 5 of the pivot member 6 so that when downwards pressure is exerted on a key 14 on the lever the crank 5 is forced downwards and the locking hoops 4 are brought into engagement with the threading on pins 3. A catch 17 is punched out of the vertical web of the lever 9 and when the lever is depressed engages in a hole 19 in a catch plate 18, thereby locking the hoops 4 and pins 3 in the closed position. To open the hoops and pins pressure is exerted on a flattened part 15 of the key 14 in the direction of the arrow in Fig. 1: the lever is thus flexed until the catch 17 is disengaged from the hole, the leaf spring 8 then being free to urge the crank 5 upwards. The engagement of the front end 12 of the lever 9 with the base-plate 1 limits the distance which the key 14 may move upwards and thereby the amount of separation of the hoops 4 and pins 3. In a modification the catch 17 may be mounted on the plate 18 and the hole 19 may be formed in the lever 9.
Patent GB-248752-A (GB)
Title: A process for obtaining pressed asphalt compositions and similar products
IPC: C08K3/26
Filed: 1926-03-03
Abstract: 248,752. Jachzel, J. March 4, 1925, [Convention date]. Compositions containing bituminous and calcareous or siliceous materials.-Limestone, sand, or similar material is added to a " solution " or emulsion of bitumen, and while the mixture is being agitated, an electrolyte is added to precipitate the bitumen on to the filler. The mixture is allowed to settle and the composition removed from the water and dried. Specification 245,418 is referred to.
Patent GB-649992-A (GB)
Title: Improvements in or relating to beryllium-copper alloy steels and articles of manufacture produced therefrom
IPC: C22C38/16
Filed: 1948-02-27
Abstract: Alloy steels having fluidity points at or below 2500 DEG F. are within the following ranges of composition: C 0.08-1.5 per cent, Be 0.04-0.5 per cent, Cu 0.5-8.0 per cent, Si 0.5-4.5 per cent, Fe and impurities the remainder.  The alloys may also contain 0.15-2.5 per cent of Mo and less than 0.75 per cent of Mn.
Patent GB-376680-A (GB)
Title: Improvements in and relating to filters
IPC: B01D37/00
Filed: 1932-02-29
Abstract: 376,680. Filters. WITHERS, J. S., 51, Chancery Lane, London.-(New England Filter Corporation; 45, Exchange Street, Portland, Maine, U.S.A.) Feb. 29, 1932, No. 6095. [Class 46.] A filter for connection to a water main is provided with a number of superposed filtering elements which are held resiliently against seatings on the interior of the filter casing. As shown screens 10 are held by springs 12 and a cover 8 against shoulders 9 in a casing 6. Water from a main 4 passes by way of a three-way coupling 14, the casing 6, a three-way coupling 24, and a casing 29 containing a filtering medium 33 to a service pipe 1. To cleanse the elements 10, a valve 18 is closed and valves 26, 20 are opened and water from the main 4 passes in the reverse direction through the casing 6 and is led to a drain through 'a pipe 21.
Patent GB-641201-A (GB)
Title: Improvements in or relating to vented containers
IPC: B65D51/16
Filed: 1948-02-02
Abstract: 641,201. Venting containers. PENNSYLVANIA SALT MANUFACTURING CO. Feb. 27, 1948, No. 6097. Convention date, April 25, 1940. [Class 21] A vent fitting for a container for gasemanating substances comprises a casing 12 in which is secured by a cap 15 a resilient plug 18a, the plug 18a having a vent port 22 and a socket containing a porous block 23. The cap has an eccentric vent hole 17. The block 23 is secured by the deformation of the plug 18a between the cap 15 and casing 12 and may be further secured by a plate 24 having a vent hole eccentric to the ports 22 and 17.
Patent GB-759399-A (GB)
Title: Road and like sweepers
IPC: E01H1/04
Filed: 1954-03-03
Abstract: 759,399. Floor-sweeping machines. ALLEN, J. J. C. March 2, 1955 [March 3, 1954], No. 6187/54. Class 138(1) [Also in Group X] A factory floor sweeper comprises a chassis carrying a power motor 20, horizontal and vertical brushes, and is guided by a handlebar 40 mounted for pivotal movement about a horizontal axis to bring a jockey wheel 45 into, or out of, contact with the ground. The jockey wheel is driven from the power motor by a belt 37, if desired through a clutch, so that it is disconnected when in the inoperative position. A lever 48 has a notch 49 which engages the abutment 50 of the jockey wheel frame 43 to retain it and the handlebar assembly in a raised position to which it is biased by a spring 46. The horizontal brush is pivoted on an axis 17 which is displaceable on the arm 55 for height adjustment, being retained by a bolt in one of a number of holes 57. A vertical brush 31 is provided and is raised by engagement of the pin 26 in the slot 32. A water tank and a pump are also fitted to supply a spray bar (not shown). The .chassis is supported on road wheels 16 and castor wheels (one only, 61, shown). A container 70 for sweepings is provided.
Patent GB-363238-A (GB)
Title: An improved apparatus and process for stretching filaments of artificial silk
IPC: D02J1/22
Filed: 1931-02-28
Abstract: <PICT:0363238/IV/1> <PICT:0363238/IV/2> During manufacture, the threads of artificial silk are stretched to a definite and uniform extent by means of a device comprising a rotatable disc f, or lever, carrying a plurality of guides c, d, which disc &c. is brought to a position of rest as by means of an appropriately disposed weight l, into one or other of two positions as shown in Figs. 1 and 2, in one position a free passage is provided for the thread, whereas in the other position, which is the operative one, the thread by reason of the guides is caused to follow a zig-zag path whereby the desired braking action and stretching effect are obtained.  An arm i and two stops m, m<1> determine the two positions of the device; the arm and the stop m may be adjustable, and the thread guides c, d may also be adjusted in position on the disc to enable the degree of stretching to be regulated.  The disc may be provided with an actuating handle h.  After passage through the braking device, the thread is led one or more times round the positively-driven roller e, and is then collected in the spinning pot k.
Patent GB-832943-A (GB)
Title: Improvements in or relating to legs for tables and the like
IPC: F16B12/48
Filed: 1958-02-27
Abstract: 832,943. Furniture legs; joints. FREEDLAND, M. M. Sept. 2, 1958 [Feb. 27, 1958] No. 6375/58. Class 52(2) . A tubular metal leg 14 has a wooden head fitting 15 capable of engaging a complementary recess 13 on the underside of a table &c. top 10. The parts may be in screwed engagement as shown or provided with a clamping screw to tighten the joint.
Patent GB-230498-A (GB)
Title: Improvements in combination day and night reflector signals
IPC: G09F13/16
Filed: 1925-03-09
Abstract: 230,498. Svenska Aktiebolaget Gasaccumulator, (Assignees of Boots, E. R., and Eskilson, S. A.). March 8, 1924, [Convention date]. Name plates and the like.-A road sign comprises a number of reflector units formed of three plane mirrors arranged at right angles to one another as at an inside corner of a cube in combination with a diffusing screen and means for imparting any desired information. Fig. 1 shows units 5 on a railway crossing signal, a lightdiffusing sheet 11 being fitted in front of the units. An external source of light will be refiected as a series of light spots on the sheets 11, which may be coloured. The units 5 may be disposed on the top edges of the' cross, and wording may be provided alongside or over the units. The wording may be formed of paint, varnish,. metal, &c. or of clear portions in a coloured sheet of glass. Alternatively, the units are arranged in the form of letters.
Patent GB-401558-A (GB)
Title: Improvements in and relating to a process for the glueing together of pieces of fibrous or porous material
IPC: A43D25/07
Filed: 1933-03-06
Abstract: 401,558. Boots &c VIERKOTTER, P., 29, Hubertus Allee, Grunewald, Berlin. March 6, 1933, No. 6733. Convention date, March 11, 1932. [Class 17 (ii).] Constitu e n t leather parts 7 of shoe soles &c. are glued together by placing them with their adhesivecoated surfaces in contact on a support 2 in a chamber 1 in which a partial vacuum is maintained. Pressure may be applied by a stamp-like device, or by atmospheric pressure acting through an indiarubber cover 5. To facilitate withdrawal of moisture &c., the supporting surface 2 may be perforated, and a layer of porous material, which may be heated, may be interposed between the pressureapplying surface and the work-pieces, or the pressure-applying surface may be uneven. The Specification as open to inspection under Sect. 91 describes also the glueing together of pieces of rubber. This subject-matter does not appear in the Specification as accepted.
Patent GB-691023-A (GB)
Title: Device for anchoring the wires of a tensioned multiple wire assembly
IPC: E04C5/12
Filed: 1946-11-04
Abstract: 691,023. Reinforced concrete. BLATON, A. Nov. 4, 1946 [March 21, 1942], No. 6801/51. Divided out of 690,981. Class 20(iv) [Also in Group XXVIII] A slot 7, tapering in width, extends across opposite faces of a rigid bar 6, and a tensioned wire 1 of a tensioned multiplewire assembly is locked in each slot between one face of the slot and a face of a tapered key 31. There may be two slots in each face. A number of bars may be secured together in superposed relationship by bolts 9 and between cover plates 8, thin metal sheets 10 being interposed between adjacent bars, Fig. 4. The sides of the slots may be equally inclined with respect to the centre-line of the slot, or one side may be normal to one edge of the bars, Fig. 6, the keys 31a being correspondingly shaped. There may be bars having slots that overlie one another and taper in opposite directions, Figs. 8 and 9 (not shown). A wire-tensioning device operated by a hydraulic jack is described, Figs. 1 and 2 (not shown). Specification 691,003 is referred to.
Patent GB-775747-A (GB)
Title: Process for treating iron-oxide bearing materials
Inventor: BECKER JOSEPH
IPC: C22B1/22
Filed: 1955-03-08
Abstract: Iron-oxide materials are mixed with coal and coked in horizontal coke ovens by applying heat externally the heat passing laterally and inwardly to give a coking rate of one inch per hour for a number of hours equal to the width of the charge expressed in inches, after which the coking is continued for a period longer e.g. by 2-6 hours than that normally required at p  that rate of coking for satisfactory coking of coal alone, to form an equivalent of such satisfactory coke from the iron oxide-coke mixture.  The coked mixture is then used for metallurgical purposes.  The oxide may be blast-furnace flue dust and pitch, such as coal tar or petroleum pitch may be added to the mixture. The mixture may be pulverized prior to coking preferably 10-30 per cent of the coal is ground to below 200 mesh and mixed with ore before blending with the remaining coal.  A mixture containing taconite may be produced by pumpinig a taconite-water mixture containing a wetting agent into contact with the coal and mixing it therewith.  Petroleum coke may also be added to the oxide-coal mixture.  Proportions are given suitable for mixture of various types of coal and oxide.
Patent GB-1130214-A (GB)
Title: Process for the manufacture of fatty acid condensation products easy to dilute with water
IPC: C07C233/46
Filed: 1966-02-17
Abstract: 1,130,214. Organic compounds. FARBWERKE HOECHST A.G. 17 Feb., 1966 [17 Feb., 1965], No. 7015/66. Heading C2C. [Also in Division C5] An olein-methyl tauride is obtained by reaction of methyl taurine (sodium salt) used as a 15% aqueous solution and oleyl chloride at a temperature of from 35-40‹ C. in the presence of sodium hydroxide solution.
Patent GB-145129-A (GB)
Title: Process for increasing the hardness and tenacity of metals and the ease of their working with cutting tools
IPC: C22F1/00
Filed: 1919-03-21
Abstract: 145,129. Bloxam, A. G., (Soc. Anon. des Usines Giulini). March 21, 1919. Hardening.-The hardness and tenacity of metals, particularly aluminium and its alloys, and their ease of working with cutting-tools, axe increased by heating for a considerable length of time to a relatively low temperature below the usual annealing temperature. An aluminiumzinc alloy, after being cast or annealed at 530-550‹ C., is kept at 70‹ C. for 4 or 5 days; an aluminium-copper alloy is kept at 160‹ C. for 10 days. Bronze is kept at 500‹ C. for 5 days, and brass is kept at 300‹ C. for 3 days, or 210‹ C. for 10 days. Soft iron is kept at 300‹ C. for 50 days. The heating may be interrupted during the process to enable the metal to be shaped, whereupon the heating is continued until the final hardness is attained. Specifications 29597/09, 6485/10, 20122/13, 125,422, and 127,602 are referred to.
Patent GB-183887-A (GB)
Title: Improvements in and relating to lathes
IPC: B23Q5/00
Filed: 1921-03-04
Abstract: 183,887. Marks, E. C. R., (Gewerkschaftliche Export & Industrie Ges.). March 4, 1921. Lathes.-The leadscrew is driven by means of a plate 2 with several rings of holes engaged by a pin-wheel 10 adjustable on a shaft 6 carried in a swivelling bearing and driven by screw searing f r o m the head stock spindle.
Patent GB-1439105-A (GB)
Title: Dental handpiece
IPC: A61C1/05
Filed: 1974-02-15
Abstract: 1439105 Valves KALTENBACH & VOIGT 15 Feb 1974 [8 March 1973] 7136/74 Heading F2V [Also in Divisions A5 and G3] A dental hand piece having an internal line 8, Fig. 2, for the passage of a fluid medium comprises a holding sleeve, an adjustable throttle in line 8 and an actuating ring 2 slidable on the hand piece for adjusting the throttle, the throttle being constituted by at least one groove 10 on the inner surface of ring 2, communicating between an upstream line portion 8a and a downstream line portion 8b. The ring 2 is sealed to an inner member 1 by packing rings 16, 17, and axial movement is prevented by guideways 18, 19 and a screw 29, Fig. 3, which is engaged with a groove 26 in the member 1. A latching ball 23, resiliently biased by a compression spring 24, may engage with recesses 20, 21 or 20a as the ring 2 is rotated, so that either groove 10 or another groove 11 is carrying the flow, or, in position 20a, no groove connects the two parts of the line 8. In this case flow occurs only through a connecting duet 25. In another embodiment, Fig. 1 (not shown), a cooling water line (5) is throttled before joining a cooling air line (6). In this case the actuating ring (2) engages the inner member (1) at a screw thread (12) so that rotation of the ring causes it to move axially along the member (1). The ring (2) contains a single groove (10) the area of which intercepted by the inlet line (5a) varies continuously as the ring (2) is moved axially, reaching zero when the ring (2) meets a packing ring (15) and an end stop (14). In a third embodiment, Fig. 4 (not shown), the throttle and its associated actuating ring (2) are integral with a connecting member (3) by means of which the holding sleeve (3a) is connected to a hose coupling sleeve (4).
Patent GB-436145-A (GB)
Title: Improvements in and relating to synchronous electric motors
IPC: H02K19/08
Filed: 1934-03-06
Abstract: 436,145. Motors. FERRANTI, Ltd., and HOLMES, W., Hollinwood, Lancashire. March 6, 1934, Nos. 7147 and 27073. [Class 35] Motors with unwound iron armatures.- The stator of a self-starting synchronous motor has a set of pairs of pole elements f, g, associated with one end of the core b carrying the winding a and a further set of pairs of pole elements h, j associated with the other end of the core, pairs of pole elements on one set being interpolated between pairs of pole elements on the other set, and certain of the pole elements in each set being lagged as by conducting sleeves m, k; the rotor embodies a magnetizable member or members n of ring form having high magnetic retentivity in which poles are produced solely by the action of the stator field. The poles f, g are cut from the cup-shaped member d, e and the poles h, j from the plate c. In this form, the ends of the upper set of pole elements lie in the surface of a cylinder and the ends of the other pole elements lie in a plane normal to the rotor axis. In a modification both sets of pole elements form parts of cup-shaped plates and the lagging conductor is in the form of a set of identical copper plates perforated to receive the lagged pole elements f, h and notched to receive the unlagged elements g, j. In a further modification, Fig. 6, the poles f, g appertaining to the lower end of the core form parts of two separate cupshaped members s, t fitting one within the other and separated by a copper annulus u The poles h, j, form parts of two plates v, w separated by a copper annulus x. Some of the poles may be omitted. The rotor ring n which may have radial grooves to define the induced poles may be formed of tungsten steel, cobalt steel, aluminium alloy steel or cast steel. In order that the motor may have a good starting torque and also a good synchronous torque, two rotor rings may be fitted, one comprising material of high permeability such as cast steel, tungsten steel or chrome steel, and the other of high coercive force such as cobalt steel, nickel-aluminium steel or silver-manganese aluminium alloy, e.g. as described in Specification 406,086. Both rotor rings may be disposed together outside or inside the cylinder constituted by the ends of the stator poles, or one ring may be arranged inside and the other outside.
Patent GB-272594-A (GB)
Title: Improvements in or relating to electrical measuring devices
IPC: G01F15/075
Filed: 1926-03-15
Abstract: 272,594. Dunglinson, B., (Republic Flow Meters Co.). March 15, 1926. Rcsi.stances, measuring .-Two laminated iron cores 2, 4, joined by a link 6 are acted on respectively by a current coil 1 in series with the resistance to be measured and by a pressure coil 3 in series with a fixed resistance 17 and an adjustable resistance 5 across the mains. In the zero position the core 4 is in magnetic equilibrium with respect to the pressure coil 3, but the core 2 is displaced from its position of magnetic equilibrium with respect to the current coil 1. The cores 2, 4, are suspended from one end of a beam 8 pivoted at 9 and carrying a pointer or pen arm 10, the moving system being balanced by weights 13, 14 and damped bv an oil or other dashpot 11. The coils 1, 3 are adjustable axially by means of cams 15, 16. A slight additional gravity or spring control may be provided to bring the pointer to! zero on open circuit. Alternatively the cores 2, 3 may be suspended from opposite ends of the beam 8, or the cores may be fixed and the coils movable. The instrument may be employed for the measurement of a resistance which is varied by a fluid flow meter.