baber/WOPTO huggingface dataset:
Patent GB-1473021-A (GB)
Title: Safety timing circuits for burner control devices
IPC: F23N5/24
Filed: 1975-05-05
Abstract: 1473021 Burner control LGZ LANDIS & GYR ZUG AG 5 May 1975 [9 May 1974] 18789/75 Heading F4T A safety timing circuit for a burner control device comprises a delay means including a resistor 2 and a capacitor 8, a threshold switch 4 connected downstream of the delay means, a first switch 6 in parallel with resistor 2, a second switch 7 in series with capacitor 8, and means 11 for alternatively opening or closing both switches for shortening the delay time of the circuit upon operational testing thereof by means of short testing pulses. A low pass filter 15, Fig. 2 (not shown), may be provided. The input 1 and the output of switch 4 may be connected to an anti-coincidence gate (20), Fig. 3 (not shown), which is in turn connected to a delay network 21 and a flip-flop 23. A short circuit switch (31), Fig. 4 (not shown), may be included in the circuit.
Patent GB-1068906-A (GB)
Title: Spacers for concrete reinforcing bars
Inventor: CADMAN KENNETH JOHN
IPC: E04C5/20
Filed: 1963-05-13
Abstract: 1,068,906. Reinforcement spacers. RAPID METAL DEVELOPMENTS Ltd. May 4, 1964 [May 13, 1963], No. 18804/63. Heading E1W. Plastics reinforcement spacers are formed with three parallel elongate feet. In the embodiment of Fig. 1, the spacer has a waisted central leg 12, and straight outer legs 13, there being a peripheral rib 17 to resist the passage of water up the spacer. In the two-part spacer of Fig. 3, the upper, flexible part 21 has an annular base portion with an inwardly projecting peripheral rib 26 which cooperates with a peripheral groove 25 around the top of the lower, more rigid part 20. The upper part has four flexible arms 27 the surfaces of which lie on a common surface of revolution about the central vertical axis through the spacer. The upper part 35 of the two-part spacer of Fig. 6 has a constant cross-section and has a head and socket connection with the lower part 30.
Patent GB-190421-A (GB)
Abstract: 190,421. White, A. E., (National Lead Co.). June 14, 1921. Solids, treating with liquids.- Powdered or other material in a rotary container is moistened by means of a moistening-device located in the wall of the container and adapted to receive and deliver liquid to the material in the container at predetermined intervals, the degree and the rate of moistening of the material being dependent on the speed of rotation of the device. The invention consists further, in the provision of a liquid delivering spout having a nozzle for spraying the material in the container. As shown, the material is charged into the rotary cylinder 1, Fig. 1, and sprayed intermittently with liquid through a nozzle 31 secured to an air-jacketed pipe 30 which communicates through a counter weighted valve 39 with a receptacle 35 which collects liquid from a tank 36 during the rotation of the cylinder. The receptacle, is connected to liquid reservoirs so that it can be supplied with liquid mixtures of varying proportions. The pipe 30 is provided with a loose collar, which slides down the pipe, and which by its impact with the nozzle loosens any material adhering to the mouth of the nozzle. The parts of the device within the cylinder and the internal surface of the cylinder may be lined with heat insulating material.
Patent GB-453073-A (GB)
Title: A process for the production of alcohols
IPC: C07C29/06
Filed: 1935-07-03
Abstract: Tertiary, and if desired, also secondary alcohols are obtained by treating hydrocarbon mixtures containing both tertiary and secondary olefines (i.e. olefines which yield tertiary and secondary alcohols respectively), preferably having the same number of carbon atoms with "acid liquor" so as to absorb the tertiary olefine selectively, and then if desired reacting the remaining hydrocarbons containing secondary olefine with another absorbent such as sulphuric acid.  The "acid liquor" is defined as a strong mineral acid such as sulphuric, phosphoric, or benzene sulphonic acid, which has been used to absorb a secondary olefine or olefines and therefore contains alkyl esters, and does not include diluted mineral acids alone.  Preferably, the "acid liquor" is prepared by absorbing in strong acid a secondary olefine (which may be that remaining after tertiary olefine has been absorbed in a previous batch of "acid liquor").  In an example, described with reference to a flow-sheet, a pentaneamylene mixture is treated with a diluted "acid liquor" at 0 DEG  C. and the mixture is allowed to stratify; the upper layer contains pentane, secondary amylene, and small quantities of polymers and tertiary amylene.  This upper layer, which may be distilled to separate the polymers as still residue, is then treated with sulphuric acid of 85--98 per cent at 0--20 DEG  C., the hydrocarbon layer (pentane) is removed, and the acid layer is diluted and is then used as the "acid liquor" for the absorption of tertiary amylene.  The dilution may be such as to yield a liquor containing 25--30 per cent of free acid, and the diluted liquor is kept at 20--40 DEG  C. for 2--3 hours with agitation.  The liquor obtained after the absorption of tertiary amylene is again diluted and preferably neutralized and is then distilled. Preferably, a limited dilution and steam distillation is effected to recover tertiary alcohol, and then the residual liquor is further hydrolyzed and distilled for secondary alcohol. Specification 360,331 is referred to.  The Specification as open to inspection under Sect. 91 refers to the production of secondary and/or tertiary alcohols and mentions the treatment of propane-propene mixtures.  It is stated that the "acid liquor" may be prepared in any manner, for instance, by dissolving a primary, secondary or tertiary alcohol or an ester such as amyl chloride or acetate.  This subject-matter does not appear in the Specification as accepted.
Patent GB-299079-A (GB)
Title: Improvements in or relating to steam-driven vehicles
IPC: B61C1/00
Filed: 1927-07-19
Abstract: 299,079. Alley, S. E., Leeds Forge Co., Ltd., and Hutt, A. C. July 19, 1927. Transmission gear of invariable ratio; driving bogie wheels.-A steam engine 18 is connected with the further axle 29 of a bogie B by a central shaft 28 having universal joints 30, 31, of which the latter is near the bogie pin. A bevel wheel 41, Fig. 3, on the shaft gears with a wheel 40 on a roller-mounted lay shaft 38. A spur wheel 39 on the shaft 38 gears with a wheel 37 on the enlarged centre 36 of the axle 29. The engine is suspended on rods 21 having bushes 25 of resilient material.
Patent GB-423662-A (GB)
Title: Improvements in and relating to mercury vapour generating plant
IPC: F01K23/04
Filed: 1933-07-06
Abstract: 423,662. Steam superheaters. BAUMANN, K., Northwoodhouse, Barnfield, Urmston, Lancashire, STUBBS, A., 390, Wilbraham Road, Chorlton-cum-Hardy, Manchester, and ASSOCIATED ELECTRICAL INDUSTRIES, Ltd., Crown House, AJdwych, London. July 6, 1933, No. 19183. [Class 123 (iii)] [See also Group XXVI] A steam superheater used in a binary fluidpressure plant, comprises spirally-arranged tubes 32 connected to inlet and outlet headers 33, 34, and arranged in parallel through the shell. In a modification, the tubes pass through the shell to which they are welded, and are bent round at right angles and welded into pipe inlet and outlet headers. The tubes may be cylindrical or flattened.
Patent GB-411694-A (GB)
Title: An apparatus providing for improvements in or relating to electric water heaters
IPC: F24H1/20
Filed: 1933-07-07
Abstract: 411,694. Heating water by electricity. FREEMAN, H. J., and GEYSER MANUFACTURING CO. (1932), Ltd., 1, Goodwin Street, Fonthill Road, Finsbury Park, London. July 7, 1933, No. 19226. [Class 39 (iii).] The heater comprises a tank A fitted with a separate internal chamber or enclosure D surrounding the heating elements C, a feed pipe B reaching from the top to near the base, and a conical spreader J arranged under the lower open end of the pipe to spread the water over the heating elements. Apertures E are provided at the top and bottom of the enclosure. An outlet pipe H, a drain plug F and a thermometer are provided.
Patent GB-402362-A (GB)
Title: Improvements in centrifugal pots for the spinning of artificial silk
IPC: D01D7/02
Filed: 1933-07-07
Abstract: 402,362. Centrifugal spinning pots. SOC. DE CONSTRUCTIONS MECANIQUES DE STAINS, 5, Avenue Percier, Paris. July 7, 1933, No. 19327. Convention date, July 28, 1932. [Class 23.] The centrifugal spinning-pot 1 is supported by means of the socket 2 rigidly connected to its base 4. The socket is engaged by the plug 5 attached to the shaft by its base 7, and the teeth 3<1> on the socket enter the spaces between abutments 6 on the plug to ensure a positive drive.
Patent GB-664736-A (GB)
Title: Improvements in and relating to strip feeding mechanism for writing machines
IPC: B41J11/30
Filed: 1949-07-22
Abstract: 664,736. Typewriters &c. LAMSON PARAGON SUPPLY CO., Ltd. (Moore Business Forms, Inc.). July 22, 1949, No. 19372/49. Class 100 (iv). A strip-feeding mechanism for typewriters and similar machines having cylindrical platens comprises a belt or chain 23 carrying a series of feed pins 22 and arranged so that the pins enter into engagement with apertures in the strips S at the inner sides of the strips and intermediate the ends of an arc formed by a portion of the strips which is in engagement with the platen 14. Carried on the inside of the platencarriage end-plates 35 is a driving wheel 27 engaging an idler 28 driving a wheel 29 on a shaft 30 which rotates two chain sprockets 25. The shaft 30 is journalled in extremities of supporting arms 37 attached to a tie-bar 34 extending between the end plates 35. An endless chain 23 travels over each sprocket and around a member 26 having a supporting surface arranged eccentrically to the platen shaft 15 which surface may be constituted by a rotatable ring 26<SP>1</SP>. The chains carry side extensions 33 bearing the feeding pins 22, and are supported by elongated guide plates 31. A lower cam surface 31' of the plate 31 is also eccentric about the platen spindle 15 and of slightly smaller diameter than the supporting surface on ring 26', so that the chains and the extensions 33 are simultaneously supported. A sheet or web guiding tray 45 is extensible to accommodate various width materials and directs them between the platen 14 and a friction roller 20. During contact with the platen the sheets and undercopies are aligned by the engagement of the pins 22 before reaching the line of striking by the type levers 12. The sheets, &c. are maintained in contact with the pins by slotted guides 39 attached by brackets 42 to supporting arms 43 pivoted on the carriage tie-bar 34. The guides are held in operative position by a spring loaded longitudinal pin 48, Fig. 2, engaging in a groove in the tie-bar 34, the pin 48 being mounted in U-shaped brackets 47 which are attached to the arms 43 so they may slide radially away from the tie-bar 34 against the spring 51.
Patent GB-279946-A (GB)
Title: Improvements relating to the treatment of hemp and other vegetable fibres
IPC: D06M11/53
Filed: 1926-08-05
Abstract: 279,946. Lapierre, L. Aug. 5, 1026. Fibres, treating.-Hemp and other ligneous fibres are treated to give them a silk appearance by placing them in the form of a mat upon rotating screens in an autoclave, in which, after degumming, they are treated for two hours at a temperature of about 120‹ C. with a solution obtained by running into a large sheet lead reservoir a hot solution of 10 kilograms of nitrate of potash in 500 litres of water and adding ammoniacal potassium sulphide 5,000 grams, sodium chloride and borate mixed in equal parts 1,000 grams, magnesium sulphide 1,000 grams, ammoniacal copper oxide 250 grams, and water 100 litres. The fibres are then washed, treated with a 2 per cent solution of hydrochloric acid. again washed, treated with 1 per cent, oxaline oil introduced into a 1 per cent. bath of nitrate of potash, dried and separated.
Patent GB-757716-A (GB)
Title: Improvements in or relating to mechanical varying-ratio transmission apparatus
Inventor: PENNY WILLIAM ALFRED
IPC: F16H35/00
Filed: 1953-07-14
Abstract: 757,716. Conveying rotary motion. KELVIN & HUGHES, Ltd. June 30, 1954 [July 14,1953], No. 19505/53. Class 80(1) [Also in Group XIX] Gearing for conveying rotary motion at a cyclically varying ratio and particularly applicable to applying corrections to sensitive instruments, such as altimeters of the barometric type as described in Specification 665,563 [Group XIX], comprises coaxially arranged gears 10, 14 driven at slightly different ratios by pinions 12, 15 on a shaft 9 constituting the input member. The gear 10 is rotatably supported on a frame 7 having a fixed spindle 8 on which the gear 14 is also supported. Fixed to the gear 14 is a cam plate 16 having an internal or external cam surface 24 adapted to be engaged by a spring pressed follower pin 17 in a radial slot 18 of gear 10. The pin 17 also passes through a cam slot 25 of an arm 19 on a sleeve 20 which passes through the gear 14 and serves as the output member to drive a gear 22 actuating a counter mechanism 23. As the gears 10, 14 rotate at different speeds the follower pin 17 moves radially to maintain contact with cam surface 24 and in so doing advances or retards the arm 19 of sleeve 20 relative to gear 10. Either of the gears 10, 14 may constitute the input member instead of the shaft 9 and the gearing may be combined with differential gearing to combine two movements. Two or more sets of the gearing may also be combined in series or in parallel to obtain more complicated variations of ratio or to combine different movements.
Patent GB-994096-A (GB)
Title: A device for tying-up plants
IPC: A01G9/12
Filed: 1963-05-16
Abstract: 994,096. Supporting plants. M. H. NIEUWKOOP, and J. M. SMIDT. May 16, 1963 [May 17, 1962], No. 19588/63. Heading A1E. Plants are supported by means of a wire or string 2 attached at one end to the plant and at the other to a support extending horizontally above the plant, the wire or string 2 being provided with means 1 whereby it is kept taut irrespective of the growth of the plant. As described a cord 2 is wound on a drum 1 pivotally supported in a housing 5 by means of a pin 9 about which is a spring 12 one end 13 of which engages behind a projection 14 on housing 5 and the other end 15 of which engages behind a projection 16 on drum 1 so that the drum 1 is biased to rotate to wind up cord 2. A hook 4 for engaging the plant is provided with pins 19, 20 to ensure firm engagement with the plant stem.
Patent GB-660877-A (GB)
Title: Rotary tool carrier for a cutting tool
IPC: B23B29/034
Filed: 1949-07-26
Abstract: 660,877. Rotary toot heads. SOC. GENEVOISE D'INSTRUMENTS DE PHYSIQUE. July 26, 1949 [Aug. 11, 1948], No. 19598/49. Class 83 (iii). [Also in Group XXIV] A rotary tool head having a radially-adjustable tool slide 28 comprises a main ring 11 capable of turning on the body of the head and the inner surface of which, eccentric with respect to the body, co-operates with friction rollers 9, 9<SP>1</SP> carried by two diametrically-opposed arms 7, 7<SP>1</SP> of a central movable frame 8 mounted in the body, the frame carrying two pairs of oppositely-disposed spring-influenced pawls 35, 36 and 37, 38 adapted to act upon a toothed wheel 31 mounted on a shaft 29 on which is also mounted a conical driving member 32 which is provided with a spiral groove 53 engaging a rack 52 on the slide 28, carrying the cutting tool, so that when the ring 11 is immobilized, the tool is advanced radially by an amount depending upon the number of pawls in engagement with the toothed wheel. The toothed wheel and driving member are inclined to the axis of the tool head. The pawls are acted upon by thrust members 39, 40, 41, 42, co-operating with the cam-shaped inner surface 49 of a knurled ring 50 which is manually adjustable and adapted to be locked in the adjusted position. A graduated ring 22 is driven by the rotation of the tool head through reduction gearing 16, 17, 21, the ring co-operating with an index on the main ring to indicate the amount of advance of the cutting tool. The main ring may be arrested by manual, or mechanical means. The member 32 is adapted to be driven by means of bevel gears 54, 55 and an operating key which is adapted to be inserted into a housing 57 through a notch in the ring 50 when the latter is in a position in which the cam surface 49 releases all the pawls from the wheel 31 so that the distance from the cutting tool to the axis of rotation of the tool head, as indicated by graduations on the slide 28, can be quickly adjusted by means of the operating key. When it is desired to use the tool head for boring, the tool slide is locked and the main ring allowed to turn with the body of the tool head.
Patent GB-471494-A (GB)
Title: Improvements in copying telegraph systems
IPC: H04N1/00
Filed: 1936-03-02
Abstract: 471,494. Copying-telegraphy. FARNSWORTH TELEVISION, Inc. March 2, 1936, No. 19613/37. Convention date, March 27, 1935. Divided out of 471,481. Drawings to Specification. [Class 40 (iii)] Received signals are applied to the grid of gas discharge tube energized with alternating current to produce interrupted signals of constant amplitude which are applied to an oscillograph. The description is identical with that of Specification 471,481, which is referred to.
Patent GB-334977-A (GB)
Title: Improvements in or relating to radio directional receiving systems
IPC: H01Q21/06
Filed: 1929-06-26
Abstract: 334,977. Marconi's Wireless Telegraph Co., Ltd., (Assignees of Plebanski, J.). March 5, 1929, [Convention date]. Directive signalling.-In a multiple-aerial directive system, the antennae are placed more closely together than usual, and the frequency of the incoming waves is stepped up locally to an extent necessary to re-establish the phase-relations producing the desired directional effect. For instance, working on a wavelength of 100 metres, the antennae are spaced only 2 metres apart, instead of 50 metres, giving a more compact assembly, and the signal frequency is then stepped up to correspond to a wavelength of 4 metres. Instead of increasing the frequency directly, the incoming waves may be heterodyned by a local oscillator Vo, Fig. 6, and the intermediate frequency (V-Vo) then stepped up by a factor necessary to restore the desired phase-relationship. It may even be increased to the original signal frequency V, so that direct reaction can be applied as shown in dotted lines. The angle of the directional effect may be rotated by introducing a corresponding phase-difference between the local oscillations Vo as applied to aerial A and aerial B respectively. As shown in Fig. 4, the input from aerials A and B is first combined, then that from aerials C and D, the combined resultant being taken off across the terminals a, b.
Patent GB-1199590-A (GB)
Title: Tubular Heat Exchanger
IPC: F28D1/02
Filed: 1968-04-25
Abstract: 1,199,590. Tubular heat exchangers. E. I. DU PONT DE NBMOURS & CO. 25 April, 1968 [28 April, 1967], No. 19714/68. Heading F4S. A heat exchanger comprises a casing 10 containing a first fluid at one temperature in which is immersed a bundle 20 of thin-walled, flexible, tubes T, made of an organic polymeric composition such as a copolymer of tetrafluorethylene and hexafluoropropylene; a second fluid at a different temperature being circulated through the tubes in heat exchange with the first fluid, and the tube arrangement comprising a flexible braided bundle 20 made up of interlaced layers of the tubes T. Preferably the tube bundle consists of interlaced layers in the form of hollow sleeves of graduated sizes positioned concentrically one within the other as shown in Fig. 6. A rigid reinforcing member consisting of a perforated tube may extend through the tube bundle, the first fluid being circulated through this tube and hence via the perforations, over the tubes. In another arrangement, in which the tube bundle extends from end to end of a surrounding casing (101, Fig. 2) a rigid distributing member (401) for the first fluid may extend transversely into the tube bundle. The tubes are connected at each end to tube plates and preferred dimensions for the tubes and brading are given.
Patent GB-648536-A (GB)
Title: Improvements in or relating to habitable constructions
Inventor: BOLT HARRY COLLETT
IPC: E04B1/344
Filed: 1947-07-24
Abstract: 648,536. Collapsable vehicles. TERRAPIN DWELLINGS, Ltd., July 24, 1947, No. 19865. [Class 108(i)] A transportable construction has a set of flaps on each side of the body adapted to form a side room suspended from the body without requiring ground supports. To erect the side room the flaps 27 are turned about their vertical edges, the floor 28 turned down about the hinge connection adjacent the body and the side wall 30 hinged upwardly about its hinge connection with the outer edge of the floor 28. Sliding roof flaps 31 are then extended to complete the room.
Patent GB-131309-A (GB)
Title: Improvements in clutches
Inventor: MAGG, WOLFGANG
IPC: F16D15/00
Filed: 1919-08-13
Abstract: 131,309. Tubular heat exchangers. UNION CARBIDE CORP. 28 Oct., 1965 [29 Oct., 1964], No. 45617/65. Heading F4S. [Also in Division B3] A fluid heater or evaporator comprises a bundle of tubes 44 encirled by a shroud (shown as being formed of two arcuate plates 48, 50 and see Fig. 2, not shown), the assembly being arranged within an outer shell 16 and the tube ends being secured by welding in flanged apertures in flexible tube sheets 30 (only one being shown), the tube sheets being clamped at their periphery between flanges 18, 20 at the ends of the shell and corresponding flanges 32, 34 on inlet and outlet headers 22, 24 for the fluid flowing through the tubes. In use, the tube sheets flex to permit differential expansion between the tubes and the shell, thermal stress in the tube sheets being relieved by one or more annular grooves 61. The external fluid is directed in a meandering path over the tubes by transverse baffles 46 which are welded at their periphery to the shroud elements 48, 50. A space 62 is formed between the shroud and the shell and communicates at one of its ends (not shown) with the tube space so that the shroud is pressurized on both sides. Flow through the space 62 is prevented by a weld 64 at one end thereof between the shroud and the shell. In a multipass heat exchanger described (Fig. 5) an auxiliary tube sheet (74) axially spaced from the tube sheet 30 is provided, the tube sheets 30 and 74 being interconnected by flexible means extending between the sheets and comprising a suitably apertured elastic mat, or flexible sleeves (80) bonded at their ends to the tube sheets. When sleeves (80) are used these may be omitted from the fluid inlet zone (82) whereby the higher pressure in this zone is exerted on the outside of the sleeves (80) in the fluid outlet zone (84). In this embodiment also the auxiliary tube sheet may be segmental or annular in shape.
Patent GB-580026-A (GB)
Title: A device for holding saucepan lids and other flanged or plate-like articles when notin use
IPC: A47J47/16
Filed: 1944-10-16
Abstract: 580,026. Racks for pan lids &c. McILROY, J. L. Oct. 16, 1944, No. 19944. [Class 52 (v)] [Also in Groups VI and XXV] A rack for holding saucepan lids 16 or other flanged or plate-like article comprises a number of slots 2 made in a casing or tube filled with resilient material so that a lid flange 15 pressed into a slot, forces apart the slit previously cut in the rubber whereby the resilient faces of the rubber grip and suspend the pan lid 16. The casing is formed with slots 2 opening into holes 3 and is filled with rubber by laying it in a template 5, Fig. 3, having slot-blanking ribs 6 and holes corresponding to the,holes 3, both sets of holes being closed by pins 7 inserted therein. One end is sealed by a block 9 and flowing rubber is squirted in at the other end through a nozzle forming the seal at that end. The pin 7 forms bores 11 in the rubber and after removal from the template and setting of the rubber, the slits 12 are cut therein. The rubber insert terminates short of the ends to allow the rack to be fixed by the end holes 14.