baber/WOPTO huggingface dataset:
Patent GB-655336-A (GB)
Title: Improvements in and relating to gas burners
IPC: F23D14/04
Filed: 1948-09-30
Abstract: 655,336. Gas burners. PATTISON, C. M. Sept. 30, 1948, No. 25489. [Class 75(i)] In a Bunsen-type burner an adjustable gas nozzle 11 induces air into a Venturi mixing tube 2 comprising a short conical part 2b joined to a long conical part 2a and the gas/air mixture is carried by the mixing tube beyond outlet apertures 6 in a burner head 1 enclosing the mixing tube so that the mixture strikes the imperforate crown 5 of the burner head and its flow is reversed before it reaches the outlet apertures 6. The gas nozzle has a coned nose and its discharge orifice 13 is regulated by a needle 14 carried by a screw plug 15. The base 8 of the mixing tube is a press fit in the mouth of the burner head 1 and the annular chamber between the mixing tube and the head constitutes a pre-heating chamber. The outlet apertures 6 are arranged in two inclined rows or in a spiral. A number of such burners are mounted collaterally on the same base and are fed by a single feed pipe 16. In a further construction two or more apertured pipes radiate from the burner head at points below the level of the upper end of the mixing tube and the gas burns at the apertures in the pipes. Specification 501,018 is referred to.
Patent GB-754800-A (GB)
Title: Improvements in or relating to oxygen breathing apparatus
Inventor: HAMILTON WILLIAM CRAIG
IPC: A62B7/08
Filed: 1954-09-02
Abstract: 754,800. Respiratory apparatus. MINE SAFETY APPLIANCES CO. Sept. 2, 1954 No. 25493/54. Class 81(2). Respiratory apparatus comprises an inhalation tube connected to a breathing bag by a tubular fitting which has an auxiliary inlet surrounded by a socket joined to the fitting, the perforated inner end of an oxygen-generating cartridge being removably mounted in the outer end of the socket in sealing engagement therewith, a valve controlling the passage through the auxiliary inlet and having a stem engaging the inner end of the cartridge to hold the valve open, an oxygen-generating candle in the cartridge, manually operable means carried by the cartridge for igniting the candle to supply oxygen to the fitting and a spring for closing the valve when the cartridge is removed from the socket. The apparatus comprises a mask 1 connected by an inhalation tube 5 with a U-shaped breathing bag 9 by a tubular fitting 14. Exhaled air passes from the mask 1 through a slide valve 7 to a canister 11 which absorbs carbon dioxide and provides oxygen. The air passes from the canister 11 to the breathing bag through an inlet 8. Check valves 4, 6 are provided in the inhalation and exhalation tubes 5, 3 respectively. The tubular fitting 14, Fig. 2, is provided with an auxiliary inlet 16 through which oxygen from an ignited oxygen-generating candle 29 enters the breathing circuit when the device is first used until the canister 11 is sufficiently warm to provide the necessary supply of oxygen. The auxiliary inlet 16 is surrounded by a socket member 17 having an enlarged part with an internal shoulder 18 against which a metal cartridge 19 is held by a bayonet connection. A metal cylinder 24 surrounded by insulating material 32 within the cartridge 19 contains the oxygen-generating candle 29. When the cartridge 19 is placed in the socket member 17 a perforated end plate 26, which clamps the cartridge 19 and cylinder 24 together, presses against a valve stem 46 to move a valve member 45 housed within the socket member 17 off its seat 49 so that oxygen from the cartridge 19 may reach the auxiliary inlet 16. The oxygen-generating candle 29 is ignited when desired by a primer 27 which is detonated by a hammer 37 when a ring 43 at the outer end of the cartridge 19 is pulled. On removal of the cartridge 19 from the socket member 17, valve 45 is returned to its seat by a spring 50.
Patent GB-1469383-A (GB)
Title: Process for the benefication of titaniferous ores
IPC: C01G23/04
Filed: 1975-06-16
Abstract: 1469383 Beneficiation of titaniferous materials UNIVERSITY OF MELBOURNE 16 June 1975 [21 June 1974] 25567/75 Headings C1A and C1N Titaniferous materials (i.e. ores, slags or other synthetic material of relatively small Ti content) is beneficiated by reacting together the material, a source of fluoride ions and hydrochloric acid, at a temperature above ambient temperature. The solution obtained after separation of insoluble reactants may be treated (by evaporation, spray drying, seeding or addition to boiling water) to precipitate the major part of the titanium values whilst leaving any iron (as chlorides) and other values in solution, the precipitate comprising mainly TiO 2  with TiF 4 , and complex salts including TiOF 2  and/or TiO(OH)F. The fluorine can be removed from the precipitate by heating to decompose any TiO(OH)F into TiO 2 , water and TiOF 2  which on heating to a higher temperature decomposes to TiO 2  and TiF 4 , which is volatile and may be condensed. Alternatively the precipitate may be treated with hot steam to decompose the TiOF 2  and/or TiO(OH)F to TiO 2  and HF. Any iron values present in the solution remaining after separation of the precipitate may be converted to ferric oxide. The process of the invention may be carried out either batch-wise or continuously and is described with reference to ilmenite (FeTiO 3 ) as titaniferous material and CaF and HF as a source of fluoride ions.
Patent GB-1356614-A (GB)
Title: Machines for forming metallic strip stock into rings
IPC: B21D31/00
Filed: 1971-05-11
Abstract: 1356614 Making metallic rings; coiling SEALED POWER CORP 11 May 1971 [21 May 1970] 25595/73 Divided out of 1356611 Headings B3A and B3E  A machine for forming metallic strip stock into rings comprises means for feeding strip stock of generally channel-shaped cross-section through a coiling die assembly, the assembly including a coiling arm pad and an anvil on opposite sides of the strip, the pad having a forming surface which incrementally coils the strip into a ring in co-operation with a complementary surface on the anvil, the pad being pivotally-mounted about an axis parallel to the ring axis, and drive means for pivotally moving the pad in synchronism with the feed means so that the strip is stationary during closing of the coiling die assembly. The machine is described in detail in Specification 1,356,611.
Patent GB-720527-A (GB)
Title: Improvements in or relating to dry, stable powdered bleaching composition
IPC: C11D3/395
Filed: 1952-10-14
Abstract: A dry, stable, powdered bleaching composition comprises by weight from 5 to 12 per cent semi-granular calcium hypochlorite, 40 to 90 per cent finely divided sodium tripolyphosphate, and 1 to 8 per cent finely divided anhydrous potassium carbonate, the ratio by weight of sodium tripolyphosphate to calcium hypochlorite being at least 7 to 1.  The ratio by weight of sodium tripolyphosphate to potassium carbonate may be between 5 to 1 and 15 to 1.  An inert diluent salt, e.g. potassium or lithium salts or sodium chloride or Na2SO4 may be included.  The composition is used in aqueous solution and may be used with soap or detergent solutions.ALSO:A dry, stable, powdered bleaching composition which may be used in aqueous solution with soap and detergent solutions comprises by weight from 5 to 12 per cent semi-granular calcium hypochlorite, 40 to 90 per cent finely divided sodium tripolyphosphate and 1 to 8 per cent finely divided anhydrous potassium carbonate, the ratio by weight of sodium tripolyphosphate to calcium hypochlorite being at least 7 to 1.  The ratio by weight of sodium tripolyphosphate to potassium carbonate may be between 5 to 1 and 15 to 1.  An inert potassium or lithium salt or sodium chloride or Na2SO4 may be present as a diluent.ALSO:A dry composition which will dissolve in water to form an alkaline solution having disinfecting or germicidal action comprises by weight from 5 to 12 per cent. semi-granular calcium hypochlorite, 40 to 90 per cent. finely divided sodium tripolyphosphate, and 1 to 8 per cent. finely divided anhydrous potassium carbonate, the ratio by weight of sodium tri-polyphosphate to calcium hypochlorite being at least 7 to 1. The ratio by weight of sodium tripolyphosphate to potassium carbonate may be between 5 to 1 and 15 to 1.  Other potassium salts, lithium salts, sodium chloride or Na2SO4 may be present as an inert diluent.
Patent GB-501965-A (GB)
Title: Improvements in or relating to shaving or hair cutting devices
IPC: B26B19/32
Filed: 1937-06-04
Abstract: 501,965. Dry shavers. ROLLS RAZOR, Ltd. June 4, 1937, No. 25731/38. Convention date, June 4, 1936. Divided out of 502.081. [Class 131] In a dry shaver the inner toothed cutter 11 is reciprocated by depressing a handlever 29 to move a toothed segment 27 which drives, through a free-wheel device and gears 26, 24, a fly-wheel, 23 carrying on its spindle 22 a cam 21 oscillating a forked lever 16 which engages a ball 15 housed in the movable cutter. A torsion spring 30 restores the lever 29 when released. A rib 9 on the outer fixed slotted cutter 7 guides the inner moving cutter.
Patent GB-894187-A (GB)
Title: Improvements in or relating to nuclear reactors and a method controlling the reactivity thereof
IPC: G21C7/22
Filed: 1958-08-12
Abstract: 894,187. Controlling reactors. HUET, A. Aug. 12, 1958 [Sept. 25, 1957], No. 25923/58. Class 39(4) The nuclear reactor a is cooled by the circulation of coolant between a and the heat exchanger c. Control of reactivity is effected by the introduction of cadmium granules into the coolant stream at either f or h. The granules may be formed so as to circulate freely with the coolant or may have a density such as to sink to the base of the reactor. Specification 857,675 is referred to.
Patent GB-260517-A (GB)
Abstract: 260,517. Babcock & Wilcox, Ltd., and Davy, C. H. June 18, 1926. Walls.-A water-cooled furnace wall comprises vertical water-circulating tubes a of triangular or square section or with two flat sides and a curved side partly exposed to the radiant heat of the furnace. The ends of the tubes are circular in section and expanded into headers. Bricks c are arranged between the tubes and held in position by bricks c<1> between the tubes and the outer casing d. Air may be circulated through the spaces e between the bricks c<1> and utilized for combustion.
Patent GB-1389524-A (GB)
Title: Self anchoring fasteners
IPC: F16B13/04
Filed: 1973-05-31
Abstract: 1389524 Fastening element EATON CORP 31 May 1973 [5 June 1972] 26058/73 Heading F2H A moulded plastics one piece fastener comprises, in its unassembled moulded configuration, two complementary portions 10A, 10B which are semicircular in cross-section and joined by a web or webs 12 allowing folding to form an elongate hollow fastener. The fastener is maintained in its assembled configuration by loop sections 44A, 44B which resiliently engage in grooves 42A, 42B. A screw S engages an internally threaded end 20 and causes outward flexing of ribs 60A, 60B until the position shown in Fig. 8 is reached. Further screw rotation causes loop sections 44A, 44B to be drawn towards the screw S and optional thread portions 48A, 48B then lock the screw S against further rotation. The fastener may be moulded with the complementary portions 10A, 10B end to end as shown or in side to side relationship.
Patent GB-156938-A (GB)
Title: Improvements in or relating to yarn moistening apparatus
IPC: D01H13/30
Filed: 1919-10-24
Abstract: 156,938. Garside, J. Oct. 24, 1919. Moistening yarns in doubling machines.-In a zinc moistening trough for use in twiners or other yarn doubling machines, the rib E, Fig. 5, carries glass hooks D, Fig. 10, with enlarged ends to prevent the yarn slipping off. A glass cane or rod held in such a manner as to prevent its rotation may replace the rib and hooks. The yarn may be passed under the hook or cane or be passed over it and then round under it, or be wrapped round the hock or cane. Specification 791/14, [Class 15 (i), Dyeing &c., Apparatus for], is referred to.
Patent GB-233986-A (GB)
Title: Improvements in burners for autogenous welding or cutting of metals
IPC: F23D14/82
Filed: 1924-11-03
Abstract: 233,986. Messer, A. Nov. 3, 1924. Blowpipe burners.-To prevent lighting-back, a welding or cutting burner with a central oxygen nozzle and a hollow conical heating gas nozzle surrounding the outlet cone, has one or more annular recesses in the cylindrical part of the oxygen nozzle and a series of closely adjacent longitudinal passages or slits in front of and behind the recesses; also the two nozzle cones are of like conicity and enclose an exceedingly narrow space. The arrangement shown includes one annular recess k, one series of slits o, and one series of passages p.
Patent GB-879442-A (GB)
Title: Automatic door latch
IPC: E05B65/00
Filed: 1959-07-31
Abstract: 879,442. Push-pull catches. LIEBHERR, H. July 31, 1959 [Aug, 1, 1958], No. 26292/59. Class 44. An automatic door latch for the door 24 of a refrigerator, for example, comprises a latching arm 4 rotatably and slidably mounted in a housing 1 and provided with a claw 8 for engaging a roller 32 mounted on the door frame 30; the arm 4 is angularly movable while under the control of a spring-loaded biasing roller 17 which is adapted to move over a retaining cam surface 10 and a biasing cam surface 9 formed on the arm 4 the latter also being provided with a resetting cam surface 11 for engagement with the roller 32. The arm 4 is normally rotated automatically by opening or closing the door from and to its position shown in the Figure, the biasing roller 17 moving from engagement with the biasing cam surface 9 to engagement with the retaining cam surface 10 or vice versa, respectively; if, however, when the door is open the cam 4 is inadvertently moved to its position shown in the Figure then, upon closing of the door, the resetting cam surface 11 will engage the roller 32 and the arm 4 will be rotatably and slidingly retracted into the housing 1 against the spring action of the roller 17 until the latter engages the retaining cam surface 10. The housing 1 has two flanges each provided with an elongated slot 2 in which is slidably disposed a pin 3 carrying the latching arm 4 and the latter is provided on each side thereof with a spring 5 the ends of which engage a peg 6 on the housing 1 and a notch 7 in the arm, respectively. The biasing roller 17 is mounted on a pin 18 carried by a guiding member 13 which is slidably mounted on a pin 12 extending between the flanges of the housing 1. A swinging lever 19, which is pivotally mounted on the housing 1 by means of a pin 20, is pivotally connected to the pin 18 and carries a pin 22 which engages a slot 21 in a locking member 23. The latter co-operates with a locking peg 39 rotatably mounted in a handle 34 secured to the outside of the door 24, the peg 39 having a slot 40 in the inner end thereof into which the member 23 is adapted to enter when the peg 39 is in its unlocking position. To lock the door, the peg 39 is rotated through 90 degrees by means of a key (not shown) so that the slot 40 is not in alignment with the member 23.
Patent GB-695864-A (GB)
Title: Improvements in and relating to steam traps
IPC: F16T1/34
Filed: 1949-10-17
Abstract: 695,864. Steam traps. SEATON, E. Jan, 5, 1951 [Oct. 17 1949], No. 26561/49. Class 64 (ii) [Also in Group XVIII] In a steam trap having ball or other shaped bodies packed in tubes, e.g. as shown in Specification 530,663, so that air or water passes through with practically no loss of pressure whereas the pressure of saturated steam is reduced therein, the tubes 9 are enclosed in a housing 4, 5 which the water to be drained enters and leaves at the top. Moreover, the water enters the tubes 9 from the bottom and a gauge glass 18 (see Group XVIII) shows the water level in the housing, the flow of steam, water or air through the packings being regulated by a needle valve 8. The bodies may be glass or ceramic grains. Steam passes from an inlet 6 in a head 5 into a container 4 which, with the head, comprises the housing. Passing through a strainer 16 and orifices 17 of varying sizes at the bottom of a riser pipe 15, the steam rises through this pipe to a chamber in the head then flows, centrally of the housing 4, 5, down through the needle valve opening, and the first of two fall pipes 10. One tube 9 (mainly hidden in Fig. 1 by the riser pipe 15) contains packing and is connected, at the bottom, to this central fall pipe 10 while at the top a duct 23 connects the tube through the other fall pipe 10 to another packing tube 9 which communicates with an outlet 7 in the head 5. More than two fall pipes 10 and packing tubes 9 may be suspended from the head 5. The packings reduce the steam flow near to a standstill so that any condensate in the steam conduit fills the container 4 until the orifices 17 are covered. The steam then forces the condensate up the riser pipe 15 and eventually out of the trap outlet 7. Condensate will drain through! an opening 17a in the pipe 15. Sediment is drained' off through a plugged opening 12.
Patent GB-679896-A (GB)
Title: Improvements in endless track vehicles
IPC: B62D55/04
Filed: 1950-11-01
Abstract: 679,896. Endless-track vehicles. BOMBARDIER, J. A. Nov. 1, 1950 [Dec. 12, 1949]. No. 26622/50. Class 79(i) An endless-track vehicle comprises a swivel assembly mounted on a driving axle housing, the assembly mounting an arm arranged radially of the axle and carrying a wheel, and means for adjusting the arm axially of the axle. As shown two twopart blocks 5 are mounted on each axle housing 1 of a vehicle. Secured to the blocks 5 on each side is a U-shaped member 7, between the forwardly extending arms 8 of which is secured a stub shaft 9. Rotatable mounted on the shaft 9 is a sleeve 11 having the radial arm 13, the space between the arms 8 being filled by two-parts collars 12, the positions of each can be varied to give three positions of the arm 13 along the shaft 9. The arms 13 each carry a bearing block 15 adjustable by means of a screw 16 extending therefrom through a bracket 17 fixed to the arm 13. Each block 15 carries a trunnion 18 on which is mounted the wheel 19. An endless track 20 passes around one wheel 19 and one driven wheel 4.
Patent GB-206660-A (GB)
Title: Improvements in sign boards, sign plates and the like
IPC: G09F7/06
Filed: 1922-10-04
Abstract: 206,660. Isaac, B. A. Oct. 4, 1922. Tools for setting-out work.-For making the position of holes in a sign-plate for the attachment of letters, numerals, &c., a template has rows of holes B, D spaced so that their centres are distanced from one another successively in the ratio 2, 1, 1, 2, 2, 1, 1 and so on. The holes in a central row C are equally spaced.
Patent GB-1047712-A (GB)
Title: Apparatus for treating articles with fluids
Inventor: NORTH CHARLES WILLIAM
IPC: D06F31/00
Filed: 1962-07-12
Abstract: 1,047,712. Endless conveyers. NATIONAL RESEARCH DEVELOPMENT CORPORATION. July 11, 1963 [July 12, 1962; Oct. 18, 1962; March 11, 1963], Nos. 26881/62, 39547/62 and 9587/63. Heading B8A. [Also in Division D1] In a washing, dyeing or dry-cleaning machine articles to be treated are conveyedthrough various zones sandwiched between a pair of endless belts of openwork construction which may be net, lace, woven or knitted. Wandering of the belts 4, Fig. 3, is opposed by sensers 24 on each side which control the nips of pairs of rollers 21 inclined to the direction of travel. Alternatively, the belts are provided with loops 18, Fig. 2 (not shown), which co-operate with guide wires 16 driven and located by the rollers 6 of the belts. In another arrangement, eyelet holes 26, Fig. 4 (not shown), are provided along the edge of the belts which co-operate with sprockets 25. In a further arrangement, hooks 32, Fig. 5 (not shown), couple eyelets 26 with runners 33 on fixed rails 30. Various modifications of this arrangement are described. In yet another arrangement, the belt is formed with beaded edges 35, Fig. 12 (not shown), which run in fixed guide brackets 36. In a modification of the Fig. 3 arrangement the pairs of rollers 21 are carried on a laterally arranged and pivoted bar 40, Fig. 14 (not shown), which is controlled by the sensers 24, the rollers gripping the belt at all times to help to maintain it laterally taut. The material of the belts may be wool, cotton, linen, synthetic fibres such as polyester fibre, polyethylene or polypropylene, or glass fibres coated with polytetrafluoroethylene.
Patent GB-252977-A (GB)
Title: Improvement in conveyor belts
IPC: B65G17/08
Filed: 1925-10-27
Abstract: 252,977. Marks, E. C. R., (Soc. l'Invulnerablile). Oct. 27, 1925. Endless conveyers with linked carriers. - A conveyer consisting of rectangular metal slats 1 connected together by the interengagement of their longitudinal side edges which are spirally bent for this purpose, meshes with teeth 3 on the driving wheels 2 and is provided with apertures 4 for the passage of hot gases in order to dry the material carried on its upper surface.
Patent GB-452742-A (GB)
Title: Molds for type-casting machines and the like
IPC: B41B7/00
Filed: 1935-09-30
Abstract: 452,742. Type - making machines. BURGESS, A. F., 10, New Court, Lincoln's Inn, London.-(Macomic Corporation; 231, South La Salle Street, Chicago, U.S.A.) Sept. 30, 1935, No. 26963. [Class 100 (iii)] Type.-bar-making machines ; moulds; assembling matrices ; ejecting type-bars.-A machine employing elongated sliding matrix-bars comprises a frame A, Fig. 1, having an inclined portion A<2> to support the matrix-bars, which are adjusted by positioning-mechanism controlled by a typewriter A<4>. The matrixbars A<5>, Fig. 7, rest on upper and lower inclined plates B, B<1>, between which the mould is located. The matrix-bars are contained between exchangeable filler-blocks, which have spring extensions opposite to the mould, to co-operate with the clamping-mechanism. The mould comprises two spaced end-brackets C, Cl, Fig. 8, which are connected by the lower stationary member C<2> of the mould. The upper mould-member C<7> is arranged to slide on the brackets C, C<1> for the purpose of opening and closing the mould. Pivotpins C<3> at the upper ends of the brackets rest in open sockets, and pins C<4> at their lower ends rest on track-bars on the machine frame, so that the mould can be readily removed and can be tilted, to bring it into contact with the matrices. The ends of the mouldslot are closed by sliding blocks D, D<1>, which travel in slots in the member C<7>, and have reduced ends, which enter slots in the member C<2>. The member C<7> is raised and lowered in order to open and close the mould, by an eccentric on a shaft D<5> Fig. 7, arms D<6> on which move the end-blocks D, D<1> to a greater extent than the mould-member, so as to open and close the ends of the mould., An ejectorcarriage E, Fig. 8, slides on the mould-members and has a fin E<5> which ejects the slug endwise. The ejector-carriage also bears a mouldwiping pad. The mouthpiece F<2>, Fig. 7, of the metal-pot raises the mould into contact with the matrices, which are supported by an abutment F<7>. The movement of the metal-pot also effects the opening and closing of the mould. A reciprocating wiper is provided for the pot mouthpiece. After the casting, the mould is pushed away from the matrices by cam-operated pins.
Patent GB-242296-A (GB)
Title: The manufacture of a new pharmaceutical compound
Filed: 1925-10-28
Abstract: 1-Methoxymethyl-3 : 7-dimethylxanthine is obtained by treating theobromine or its salts with chloromethylether.  The product acts like caffein on the human body; it forms double compounds with salts of organic acids, e.g. sodium benzoate and sodium salicylate.  An example of the process is given.