baber/WOPTO huggingface dataset:
Patent GB-261930-A (GB)
Title: Improvements in methods and means for blasting
IPC: F42D1/00
Filed: 1925-12-15
Abstract: 261,930. Farrell, D., and Helmholtz, A. W. Dec. 15, 1925. Blasting cartridges.-Relates to a method of blasting by inserting into a drill-hole, a rigid container, connected by a pipe to a source of fluid pressure, the fluid being then forced into the container under a pressure sufficient to burst it. According to the invention the container has a portion of its wall, preferably an end wall, of less strength than the remainder. Fig. 2 shows one form of cartridge, having a cylindrical casing 1, a portion 2, of the wall being provided with a passage 3 connected to a pipe 4. Rings 7 are secured near the ends of the casing by welding &c., and rupturable closure discs 9 are retained against the rings 7 by threaded outer rings 8. A modification is described in which one end of the cartridge is integral with the tubular wall, the other end being closed by a disc held against an internal shoulder by a screwed ring. The pipe 4 extends through the tamping in the drill-hole to a pump or the like by which a non-combustible liquid or gas such as carbon dioxide, nitrogen, or air is forced into the cartridge. The pipe may extend as a coil through a cooling tank.
Patent GB-897910-A (GB)
Title: Improvements in and relating to fasteners
Inventor: BIRMINGHAM DOUGLAS WILLIAM
IPC: F16B5/12
Filed: 1957-10-10
Abstract: 897,910. Making fasteners. F.T. PRODUCTS Ltd. Sept. 17, 1958 [Oct. 10, 1957], No. 31708/57. Addition to 753,238. Class 83 (2). [Also in Group XXV] A method of forming a fastener as claimed in the parent Specification includes the steps of shearing a prong out of a strip of metal, bending the prong out of the plane of the strip in one angular sense about a line transverse of the strip, and bending the strip in the opposite angular sense to that of the prong about a line which is transverse of the strip and at least approximately colinear with the line of bending of the prong so as to form a flange, the point of the prong being cut from that portion of the strip which in the finished fastener constitutes the U-base of the fastener. As described, the fastener is preferably formed with four prongs 20 and four claws 17. In a modification (not shown) only two prongs may be provided and the prongs may be bent out of inner portions of the strip of metal instead of the edge thereof.
Patent GB-653240-A (GB)
Title: Improvements in or relating to the treatment of raw cacao and the product thereof
IPC: A23G1/02
Filed: 1948-12-08
Abstract: The invention deals with a process for the treatment of raw cacao comprising curing the cacao without fermentation by maintaining it at a temperature of 50 DEG  C. to 65 DEG  C. with a moisture content, not less than 12-15 per cent for a period between 5 and 50 hours, and then arresting the curing by rapid drying.  Drying is effected by heated air the temperature of the product not exceeding 100 DEG  C. The beans may be treated with alkali during curing and a substantial part of the fat removed. The greater part of the mucilaginous material is washed from the seeds before curing using cold or hot water vigorously.  Rotary drums or other apparatus may be used for the curing.  For the roasting, temperature not exceeding 140 DEG C. are used.  Examples of the process as applied to beans from various sources are given in the Specification.
Patent GB-1006650-A (GB)
Title: Improvements in conveyors for grain and similar materials
IPC: B65G47/76
Filed: 1964-08-05
Abstract: 1,006,650. Endless belt conveyers. K. G. ANDERSSON. Aug. 5, 1964 [Aug. 20, 1963], No. 31806/64. Heading B8A. A conveyer, e.g. for grain, comprises an endless belt having an upper run 1 and a lower run 2, the upper run 1 running in a flute having side walls 3 and a bottom 4, Fig. 2, and having, intermediate the ends of the conveyer, portions 14 and 13, Fig. 1, which are laterally swingable away from the upper run 1, a scraper 22 being swingably mounted above the upper run 1 for movement between a position spaced from the latter and a position lying against it, and a deflector 35 being disposed above the lower run 2 of the belt for diverting material scraped from the upper run 1. The endless belt passes through a casing having walls 5, 6, 7 to the bottom of which is connected a discharge conduit (not shown). The flute portions 14 and 13 are pivoted on shafts 8, 9 and the scraper 22 is pivoted on a shaft 20; from the ends of the latter project arms 25 which are connected by means of universal joints 26 and links 27 to arms 28 which project from the shafts 8, 9. The shaft 20 has secured to it an operating lever 30 and has projecting therefrom an arm 31, Fig. 3 (not shown), which co-operates with a leaf spring 33 in a part dead centre manner to bias the scraper 22 to both its alternative positions. The tension of the spring 33 is adjustable by means of a set screw 32. The interconnection of the scraper 22 and the flute portions 14, 13 is such that when the scraper is spaced from the upper run 1 the portions 14, 13 are in the position shown by full lines in Fig. 1 and when the scraper is lying against the upper run 1 the portions 14, 13 are in the position shown by broken lines.
Patent GB-350364-A (GB)
Title: Improvements relating to packets or boxes for containing cigarettes and other articles
IPC: B65D5/38
Filed: 1930-10-23
Abstract: 350,364. Drawer-and-shell boxes. SIMS, W. H., 190, South Street, New Whittington, Chesterfield, Derbyshire. Oct. 23, 1930, No. 31830. [Class 18.] In order to indicate to the touch the end of a drawer- and-shell box at which the drawer b should be pushed out to obtain access to the contents, the shell a has a number of serrations or cutout portions a<1> at one or both of the wide edges at one end of the box.
Patent GB-520295-A (GB)
Title: Improvements in milk coolers and like heat-exchanging apparatus
IPC: F28D9/00
Filed: 1938-11-03
Abstract: 520,295. Plate heat-exchangers. WOLSELEY SHEEP SHEARING MACHINE CO., Ltd., and WHITEHOUSE, R. J. Nov. 3, 1938, No. 31837. [Class 64 (iii)] In a milk cooler or other heat - exchanger comprising two vertical horizontally corrugated plates A with a space between for water or other cooling fluid and having wedge pieces placed in the ends of the inner corrugations with surfaces slanting out from the plates, each wedge piece C is of sheet metal with two side flanges c<1> fitting and soldered against the inner .surface of a corrugation. A flange c<2> at the larger end of the wedge piece abuts on a plate B, to which the ends of the plates A are soldered. The upper ends c<3> of the side flanges are cut away, and the base of the corrugations is also cut away at a to allow fluid to reach the inner surface of the wedge piece.
Patent GB-1403186-A (GB)
Title: Sludge deliquification
IPC: C02F11/16
Filed: 1971-07-07
Abstract: 1403186 Filter or drainage bed EN-TOUTCAS LTD 7 July 1972 [7 July 1971] 31986/71 Heading B1D [Also in Division F4] A filter or drainage bed for dewatering sludge comprises a trough having brick walls 1 enclosing a drainage bed 2 of broken or crushed stone, hard clinker, gravel or other hard core having land drain pipes 4 embedded therein and covered by a layer 5 of porous nofines concrete of single sized aggregate of ¢"- 1" nominal grade. A filtering layer 7 of gravel or sand may be applied to the concrete surface before each filtering cycle and removed with the sludge after filtration. The concrete layer has a level and even surface to facilitate sludge removal. The no-fines concrete suitably uses gravel or broken granite aggregate and binders of portland cement, rapid hardening cements, cements with plastics or other chemical additives, synthetic resins or bitumen. Instead of a single concrete layer, a plurality of layers of increasingly coarse aggregate in the direction of flow through the bed may be used with one or more of the layers being formed of prefabricated slabs or beams of the no-fines concrete.
Patent GB-485859-A (GB)
Title: A new or improved independent spring suspension device for the running wheels of vehicles
IPC: B60G3/26
Filed: 1936-11-23
Abstract: 485,859. Vehicle spring suspensions. GORDON, C. J. Nov. 23, 1936, No. 32004. [Class 108 (ii)] In an independent wheel suspension of the kind comprising a parallel linkage under the control of laminated springs, the parallel links 1, 2 for each wheel project laterally from the chassis 4, Fig. 2, and are connected by a control arm 13 to a point intermediate of the length of the usual longitudinal leaf spring 12, Fig. 3, which underlies and is connected to the end of the chassis side arm. In order to prevent a twisting stress being imparted to the spring 12 as the linkage moves up and down, one end 14 of the arm is pivoted to the lower link 2, preferably near the mid-point thereof, while the other end 15 has a slidable engagement with rollers 16 in a bracket 17 clamped to the spring 12. The linkage 1, 2 is preferably reinforced by an intermediate vertical link 5, while, in the case of a steering wheel, the upper and lower ends of the wheel-carrier 7 are adapted to swivel about vertical pivots 8 in a sleeve 9 which in turn swivels about horizontal pivots 11 in the forked ends 10 of the links 1, 2. Specification 456,891, [Group XXXI], is referred to.
Patent GB-320269-A (GB)
Abstract: 320,269. Gledhill, A. H. Nov. 22, 1928. Departure indicators. - A time indicator for tram, bus, and other services running constantly at stated intervals comprises dials E each fitted with a group of spaced pointers F, F<1>, F<2> which indicate at a glance the positions in each hour at which the cars leave. Each group of pointers is rotatably adjustable on a central pin.
Patent GB-1442423-A (GB)
Title: Thyristor firing circuit
IPC: H03K17/16
Filed: 1973-07-05
Abstract: 1442423 Control circuits for consu ming apparatus SQUARE D CO 5 July 1973 [20 July 1972] 32064/73 Heading H2H [Also in Division H3] A thyristor firing circuit 11 comprises saturable transformer 46, 47 for producing, when unsaturated, thyristor firing pulses at a secondary winding 46s, 47s in response to input voltage pulses applied to a primary winding 46p, 47p, and lock out or inhibiting circuit 12 for saturating the saturable transformer 46, 47 to prevent production of the thyristor firing pulses at the secondary winding in response to the input pulses at the primary winding. When operation of the firing circuit 11 is not required a constant positive voltage is applied at 17 to bias transistors 29 and 30 off and allow a capacitor 44 to be charged. The firing circuit 11 is operated by applying negative voltage pulses at 17 to switch the transistors 29 and 30 repeatedly between their on and off states and discharge the capacitor 44 through the transformer primary windings 46p, 47p operating, pulses are induced in the transformer secondary windings 46s, 47s to fire the thyristors through the pairs of conductors 15 and 16. The firing pulse inhibiting or lock out circuit 12 is provided to prevent inadvertent thyristor firing by circuit noise or voltage transients in the conductor 17. When normal operation of the firing circuit 12 is required a negative voltage is applied to the lock out circuit 12 at 19 which turns off a transistor 64 and enables normal operation of the firing circuit. By applying a positive voltage at 19 the transistor 64 turns on which turns on the transistors 29 and 30. Continued conduction of the transistors 29 and 30 saturates the transformer 46 and 47 so that gating pulses cannot be induced in the transformer secondary windings 46s and 47s. The controlled thyristors thus remain in a non-conducting state. The saturated condition of the transformers 46, 47 prevents voltage signals from circuit noise or voltage transients in the thyristor firing circuit 11 from firing the thyristors.
Patent GB-1389405-A (GB)
Title: Method and means for teaching the art of home dressmaking to  beginners
IPC: A41H3/00
Filed: 1971-07-08
Abstract: 1389405 Teaching home dress-making ST CHAD SERVICES Ltd 27 June 1972 [8 July 1971] 32108/71 Heading A3V To teach the art of home dress-making a set of complete pattern pieces are formed of a woven or non-woven natural or synthetic fibre fabrics such as viscose rayon, cotton, nylon or a laminate of cellulose wood pulp fibre tissue and nylon scrim and are temporarily assembled into a trial garment which is adjusted to fit the wearer's body and subsequently dismantled, the adjusted pattern pieces being then used to cut out the parts of the garment proper from the final garment fabric and each pattern piece being used to produce a complete garment part from a single layer of fabric without the need for folding. The front pattern piece 1 for a dress is provided with three points X 1 , X 2 , X 3  for selective positioning of a bust dart whose final adjustment is made when the trial garment is worn. Similar adjustments are made for waist darts CDEF and shoulder darts on a back pattern piece. Separate armhole and neck facing pattern pieces as 3 and 4 are provided.
Patent GB-1067717-A (GB)
Title: Improvements relating to atomisers
Inventor: FRASER REGINALD PERCY
IPC: B05B7/10
Filed: 1964-08-06
Abstract: 1,067,717. Spray-producers. URQUHART'S (1926) Ltd. July 15, 1965 [Aug. 6, 1964], No. 32131/64. Heading B2F. Apparatus for spraying two different liquids comprises a central duct 4 for supplying a first liquid to a nozzle 6, a concentric duct defined by a tube 5 for supplying the second liquid to the nozzle, and an outer concentric duct defined by a tube 1 and arranged to supply compressed air or steam to an annular outlet 15. The outlet 15 is designed to produce a converging discharge which atomizes the liquids leaving the nozzle 6. The liquids e.g. oil and water, are fed separately via axially spaced tengential inlets into a swirl chamber 21 and move towards the outlet 22 of the nozzle 6 as two annular films because of their different specific gravities. In the embodiment of. Fig. 3, (not shown) the swirl plate has two interconnected oil feed ports.
Patent GB-1509694-A (GB)
Title: Beads of ceramic material
IPC: C09K23/00
Filed: 1976-08-02
Abstract: 1509694 Ceramic beads SOC EUROPEENNE DES PRODUITS REFRACTAIRES 2 Aug 1976 [6 Aug 1975] 32141/76 Heading C1J Beads of ceramic material are obtained by fusion, conversion into beads and solidification of a starting batch consisting, on the oxide basis, of up to 85% by wt. of ZrO 2 , a proportion of SiO 2  such that the wt. ratio ZrO 2 /SiO 2 #1À5, an optional proportion of Al 2 O 3  such that the wt. ratio Al 2 O 3 /SiO 2  is 0-1À5, and an optional proportion of Na 2 O such that the wt. ratio Na 2 O/SiO 2  is 0-0À4, the starting batch also containing at least one of the additional oxides MgO and CaO in proportions such that the wt. ratio MgO/SiO 2  is 0À03-1 and the wt. ratio CaO/SiO 2  is 0À03-1À45.
Patent GB-446978-A (GB)
Title: Improvements in and relating to bitumen sheeting
IPC: D21J1/16
Filed: 1934-11-08
Abstract: 446,978. Compound sheet materials; damp-proof courses. JAMES, E. R., and RUBEROID CO., Ltd., 296, High Holborn, London. Nov. 8, 1934, No. 32166. Drawings to Specification. [Class 140] [See also Group X] Flexible sheeting for use as a lining for tanks, bridges, and subways or as a dampcourse comprises surface layers of bituminous composition and one or more intermediate thin metal sheets the surfaces of which are provided with indentations and elevations. One or more sheets of woven or felted fabric of organic or inorganic fibres such as hemp, jute, or asbestos, which may be impregnated with bituminous composition, may also be incorporated. Thus, hessian impregnated and coated on both sides with bituminous composition is united by one of the coatings to a sheet of lead indented by rolling, and a further coating of bituminous composition applied to the surface of the lead sheet. The bituminous compositions described in Specification 411,672 may be employed.
Patent GB-334764-A (GB)
Title: Improvements in and relating to shuttles for automatic looms
IPC: D03J5/00
Filed: 1929-10-23
Abstract: 334,764. Triggs, W. W., (Maschinenfabrik R³ti vorm. C. Honegger). Oct. 23, 1929. Shuttles, positioning for weft-replenishing; shuttles.-The shuttle 2 has a transverse slot 7 co-operating with a wedge-shaped fixed abutment 10 for moving the shuttle in either direction into correct position when the lay moves towards the breast beam, while the pirn-holding spring 6 is provided with a free space 9 between its jaws instead of the usual inclined guide for the pirn.
Patent GB-909876-A (GB)
Title: Improvements in or relating to the manufacture of derivatives of nitrofuran
IPC: C07D405/12
Filed: 1960-09-21
Abstract: The invention comprises 1-[3-(5-nitro-2-furyl) - 2-propenylideneamino]imidazolidine-2-thione and a process for making that compound by condensation of 3-aminoimidazolidine-2-thione with 3-(5-nitro-2-furyl)-acrolein. A detailed example is given.  The above compound can be formulated with compatible carriers and adjuvants, for example in tablets, suspensions and elixirs; or as a poultry feeding composition containing about 0.02% of the compound.  It is an antibacterial and helminthicidal agent. Specification 909,877 is referred to.
Patent GB-259073-A (GB)
Title: Tripping mechanism for platen printing presses
IPC: B41F1/28
Filed: 1925-12-24
Abstract: 259,073. Aclkley, A., and Plum, S. H. Dec. 24, 1925. Tripping-arrangements.-In a platen printing- press having the usual tripping-mechanism 13, Fig. 1, operated by a hand-lever 14, means are provided for throwing the lever into tripping position when a sheet is not fed, comprising a trip arm 20 oscillated from the forme 7, and adapted to move the lever 14 to tripping position by engaging with a normally-retracted latch 29 on the lever which is released when a sheet is not fed. The latch 29 is pivoted to a member 44 drawn downwardly by a spring 51 and normally kept raised by the engagement of a spindle 42 on the lever 14 with a slot 48 in the member 44. Mounted on the spindle 42 is a spring-controlled disc 37 having a pin 38 engaging the member 44, and an arm 35 engaging a bellcrank lever 80 pivoted on the feed table 18. When the lever 30 is rotated clockwise, the pin 38 on the disc 37 disengages the member 44 from the spindle 42 and the spring pulls the member downwardly with the spindle resting in a second slot 49 and the latch 29 in tripping position. The lever 30 is retained in its normal position by a spring-controlled handle 268. Fig. 6, engaging one arm thereof, and a spring 161 pulling it towards the handle. A rod 163 connects the lever 30 with a pivoted hook member 165, and when no sheet is fed the rod is pulled to the left to operate the lever 30 bv the engagement with the hook 165 of a hook 174 on a lever 76 carrying the suction-feed apparatus and oscillating between the feed table 18 and the platen. At the same time the handle 268 moves against a stop 177 and holds the lever 30 in tripped position until reset by hand. The hook 174 is carried by a spring-pressed lever 169 pivoted to the lever 76 and to a piston-rod 167 operated by a cylinder 166 connected to the suction apparatus and carried by the lever 76. When a sheet is fed a suction effect is caused in the cylinder, the rod 167 being drawn into the cylinder and the hook 174 raised out of the way of the hook 165 against the action of a spring 172. The trip arm 20 is formed with a cam surface 26 and two projections 27, 28 at its upper end, so that when the latch 29 is in tripping position the projection 27 moves the lever 14 to tripping position on the closing movement of the press and the projection 28 moves the lever 14 to imtripping position on the opening movement of the press, while the cam 26 lifts the latch 29 during the opening movement. If the handle 268 is now reset, the lever 30 and disc 37 under spring action are restored to their normal position, and when the cam 26 lifts the latch 29 the spring 41 moves the member 44 so that the spindle 42 seats in the slot 48 and the latch 29 is retained in untripped position. A cam 175 engages a pin 173 on the member 169 and disengages the hooks 165, 174 when the rod 163 has been moved sufficiently to the left. When hand-feeding is employed the member 44 is moved by hand so that the spindle seats in a third slot 50 and the latch 29 is held permanently in untripped position.
Patent GB-450133-A (GB)
Title: Improvements in fire extinguishing grenades
IPC: F42B12/50
Filed: 1935-11-25
Abstract: 450,133. Fire-extinguishing grenades. HARTMANN, C. W., 10, Vinkelvej, Lyngby, near Copenhagen. Nov. 25, 1935, No. 32657. [Class 47 (ii)] In a, grenade of the kind comprising extinguishing powder enclosed in a container 10 and provided with a central bursting charge, the charge 14 is enclosed in a cartridge 26 which is supported at the free end of a tube 24 secured to the container 10 only at a point opposite to the point of attachment of the handle 46 or suspending means. The container is formed of pressed or moulded pasteboard or paper pulp and the tube 24 and cartridge 26 of sheet paper rolled and secured by adhesive. The tube 24 is secured to a cupmember 20 of wood secured in a depression 16 at one end of the container. The tube houses a fuse 29, the end of which normally is covered by a metal cap 31. At the other end of the container, the handle 46 or suspending means is secured to a metal cap 36 bolted over the filling opening 34 of the container The latter may be made in one piece or, as shown, of two hemi-spherical pieces with jointing flanges 50, 52, weakening grooves 48 being provided. Specification 450,132 is referred to.
Patent GB-161131-A (GB)
Title: Improvements in small-arms
IPC: F41A29/04
Filed: 1920-11-19
Abstract: 161,131. Auto-Ordnance Corporation, (Assignees of Payne, O. V.). June 29, 1920, [Convention date]. Lubricating; breech actions, sliding breech-block.-Consists in a lubricating-device operated by the trigger. In the construction shown, a pump plunger 32 is operated by a depending finger 31 on the searactuating link 24 each time the trigger is pulled and forces lubricant from a reservoir 38 along a duct 45 which communicates with ducts 48, 50 leading respectively to the locking surfaces of the breech-block and to the chamber. Portions of the ducts are formed as axial passages in the screws 17, 18 that secure the trigger plate. To ensure that the trigger is operated for each shot, the sear-actuating link is disengaged from the sear each time the breach opens by the projection 23 of the firing-pin engaging the inclined upper edge of the link. Specifications 14368/14 and 162,962 are referred to.
Patent GB-210227-A (GB)
Title: Improvements in or relating to automatic electric current regulators
IPC: G05F1/14
Filed: 1922-12-01
Abstract: 210,227. Davies, W. Langdon-, and Soames, A. Dec. 1, 1922. Regulating transformers.-An automatic regulating transformer consists of a core A, Fig. 1, provided with a winding 13 and a flux regulator O provided with a winding J the position of the regulator O being controlled by a spring D which tends to retain the member O against an adjustable stop E. The attracted position of the member O is limited by an adjustable stop H and its movement is controlled by a dash-pot G. In a modification a winding is placed in a straight fixed core and a U-shaped core forms the flux regulator. In the mcdificatioia shown in Fig. 3 the flux regulator C<4> moves across the curved poles of the core A<2> and its limit positions are controlled by adjustable stops E<1>, H<2>. The apparatus is designed to give drooping volt-ampere characteristics similar to those of the arrangement described in Specification 204,109, and particularly suitable for arc welding systems.