baber/WOPTO huggingface dataset:
Patent GB-768799-A (GB)
Title: Improvements in or relating to fan structure
IPC: F04D29/44
Filed: 1955-04-22
Abstract: 768,799. Centrifugal fans. CLEAVERBROOKES CO. April 22, 1955 [July 21, 1954], No. 11671/55. Class 110 (1). [Also in Group XII] An uncased fan for providing air under pressure in a chamber comprises a fan wheel situated between a wall of the casing and a plate extending radially beyond the wheel to form a peripheral space about the wheel between the chamber wall and the plate. The fan supplies air to a burner 9, Fig. 3, in a boiler, the fan wheel 15, Figs. 2 and 3, being mounted on the shaft of the driving motor 17 which is supported by a bracket 18 on the outer door 14 of the boiler. The wheel 15 operates in the space between a portion 23 of the door 14 and a plate 32 spaced therefrom by spacers 33. Air is drawn in through a duct 25 and a central aperture 24 in the door portion 23. An inner door (not shown), with an aperture through which the burner 9 extends, abuts the door 14 when the latter is closed. An atomizing air pump 30 and a fuel pump 31 are driven by a belt 29. The wheel 15 may be open or partly or fully shrouded, and the blades 19 may be radial as shown or forwardly or backwardly curved. The plate 32 may be shaped so that the peripheral space around the wheel is of uniform extent, and it may be provided with vanes. Instead of being directly driven as shown, the fan may be driven through a belt or gearing.
Patent GB-886851-A (GB)
Title: Formation of steam barriers at sealing points of steam power plants
IPC: F01D11/06
Filed: 1960-04-01
Abstract: 886,851. Stuffing-box substitutes. SULZER FRERES S.A. April 1, 1960 [April 22, 1959], No. 11673/60. Class 122 (5). Glands of a steam power plant are packed by steam drawn from a saturated steam accumulator 1 and superheated by heat supplied from a source external to the plant. Steam from the accumulator 1, which is preferably an element of the plant, e.g. a water separator, flows through a pipe 2 and an electrically heated superheater 3 whence it is supplied to the turbine glands 7-9 through a throttle 4. The superheated steam temperature is controlled by a regulator 11 which may be set at a predetermined temperature or varied as a function of the turbine casing temperature. The sealing steam pressure is kept constant by a regulator 15 which may be influenced by a starter device or as a function of other plant operational variables.
Patent GB-503282-A (GB)
Title: Improvements in electrical indicating instruments
IPC: G01R11/02
Filed: 1938-04-19
Abstract: 503,282. Electrical meters. WATSON, T., and ENGLISH, C. J. April 19, 1938, No. 11687. [Class 37] [Also in Group XIX] In an electrical indicating instrument having a switch by which the instrument can be selectively connected to a number of measuring devices, a member indicating the measuring device in connection at any time is displayed through the window of the electrical indicating instrument, the switch and the indicating member being operated simultaneously by means external to the casing. The instrument may comprise a pointer a moving over a scale b and may be connected to any one of series of measuring devices by the turning of a switch knob d. The device in connection is indicated by a numeral on a drum operated by the switch knob d and exposed through an aperture i in the scale plate.
Patent GB-200612-A (GB)
Title: Improvements in saddles for the drawing rolls of spinning and roving machines
IPC: D01H5/56
Filed: 1922-04-26
Abstract: 200,612. Fish, C. H. April 26, 1922. Roller heads.-A saddle for the drawing-rollers of spinning and roving machines comprises bearing members 5, 6, the member 5 being secured to a stem 7 which fits loosely in an outwardly-flaring hole in the member 6, thereby permitting said member to rock relatively to the stem 7. The members 5, 6 may be of metal but are preferably formed of a selflubricating material, e.g., " cellugraph," and may be provided with a number of bearing- surfaces.
Patent GB-849203-A (GB)
Title: Improvements in or relating to automobiles or like vehicles fitted with theft prevention devices
IPC: B60R25/10
Filed: 1958-04-14
Abstract: 849,203. Secret contact-combination switches. RAJU, E. P. April 14, 1958 [Oct. 25, 1957], No. 11738/58. Class 38 (5). [Also in Groups XXV, XXVII, XXXI and XXXVIII] A switch-assembly for preventing the unauthorized use of a motor vehicle comprises a housing with a plastic cover-plate 38 with four rows of six apertures containing twenty-four push-buttons which are biased upwards by springs. Six of the buttons have small bases 35 and have contact-rods 32 arranged to bridge pairs of fixed contacts 50 on holders 28 mounted on frames 31 secured to a plate 33, there being six holders 28, one for each of the small based buttons. The plate 33 is guided on rods 42 and is urged upwards by springs 43 into contact with the lower surface of large bases 41 on the remaining eighteen buttons. The fixed contacts of a selected pair of the small based buttons are connected in series so that they both have to be depressed to energize the ignition coil. Depression of any of the large based buttons pushes the plate 33 downwards, thereby carrying the fixed contacts 50 out of the range of movement of the contact-rods 32. A second pair of small based buttons is connected in series to stop the horn from blowing when the ignition key is turned " on," and a third pair is connected in series with a bonnet lock release solenoid.
Patent GB-1064096-A (GB)
Title: Improvements in or relating to the storage of ozone
IPC: B01J19/00
Filed: 1964-03-19
Abstract: <PICT:1064096/C1/1> A method of stabilizing and storing O3 comprises dissolving O3 in a liquid fluorinated aliphatic hydrocarbon at a low temperature such that the partial pressure of O3 is less than its limit of explosibility, introducing the resulting solution at said low temperature into a pressure-resistant vessel, and thereafter closing said vessel and allowing the temperature of the solution to rise to ambient temperature, wherein the liquid fluorinated hydrocarbon and the quantity of ozone dissolved in the liquid fluorinated hydrocarbon are such that the O3 content of the gas phase present in said pressure resistant vessel after warning up to ambient temperature, expressed as a molar fraction, as a function of the total pressure inside the storage vessel, expressed in bars, is less than that given by the curve of the accompanying drawing.
Patent GB-426234-A (GB)
Title: Improved apparatus for applying noxious weed killing solution and the like
IPC: A01M21/04
Filed: 1934-04-19
Abstract: 426,234. Weed killing and crop spraying apparatus. HOPE, E., 121, The Parade, Island Bay, Wellington, New Zealand. April 19, 1934, No. 11789. Convention date, March 15. [Class 6 (ii)] [See also Group XXVIII] Apparatus for injecting poisonous liquid into the roots of weeds stated also to be applicable for spraying crops or trees comprises a vessel, Fig. 1 for holding a solution under pressure, means for generating pressure therein, and means for delivering liquid to a director nozzle, Fig. 3, controlled by a valve operable by an external sleeve. The director nozzle comprises a tube 11 fitted with hand grips 12 and having slidable thereon a sleeve 13 with a flared lower end 13a. The tube 11 carries a hollow needle 14 provided with a seating for a valve 15 attached to the sleeve 13 by a screw 16 sliding in a slot 11<a> in the tube 11. A spring 17 between flanges 18, 19 normally keeps the valve closed but on forcing the needle into the ground the outer sleeve is held by the flared end 13a and the valve 15 is opened. The weed killer is contained in a pressure-tight vessel 1 provided with a lid 2, a nipple 6 for connection to a hose 10, a holder 7 for a bomb of compressed gas such as sulphur di-oxide, and an air pump 9 for providing an alternative or supplementary source of pressure.
Patent GB-755136-A (GB)
Title: Improvements in and relating to dashpot type damping devices
Inventor: ALLAN ARCHIBALD
IPC: F16F9/18
Filed: 1954-04-23
Abstract: 755,136. Dashpots. ENGLISH ELECTRIC CO., Ltd. April 22, 1955 [April 23, 1954], No. 11796/54. Class 108 (3). [Also in Group XXXVII] A dashpot for damping the movement of a member (not shown, but connected to a bridge member 5) such as the moving contact assembly of a circuit breaker comprises a cylinder 8 having an annular partition 8a, on each side of which is slidable a respective piston 10, 14, the piston 10 being secured to a rod 11 adapted to engage the member 5 as it approaches a first extreme position, and the piston 14 being slidable on the rod 11 and having an extension 15 adapted to engage with the member 5 as it approaches a second extreme position, the cylinder 8 being surrounded by a liquid-filled casing 17 having means to permit liquid fluid flow between each side of each piston. In operation, when the circuit breaker is tripped, the contact assembly moves downwardly and, towards the end of its travel, the bridge member 5 strikes the extension 15. This acts on the piston 14, driving oil through orifices 19, 20a, 20b, 20c and 20d. The piston 14 finally engages an extension 10a of the piston 10 driving the latter downwardly until it engages an abutment ring 22. During closing of the breaker, a spring 16 returns the piston 14, and near the end of the movement, the member 5 engages an abutment 13 on the rod 11 to return the piston 10 to its previous position. The casing 17 is connected at 18 with oil in a tank 4 containing the switch gear. The piston 10 is axially adjustable on the screw-threaded end of the rod 11 in quarterturns defined by slots 12 and a pin 12a.
Patent GB-942472-A (GB)
Title: Polyester-amide resins and conductors insulated therewith
IPC: C08L67/00
Filed: 1960-04-04
Abstract: Polyesteramides are made by reacting together (1) 25-56 equivalents per cent of a lower dialkyl ester of terephthalic and/or isophthalic acid (2) 15-46 equivalents per cent of ethanolamine (3) 0-30 equivalents per cent of ethylene glycol and (4) 12-44 equivalents per cent of glycerine, the total of (2) and (3) being at most 46 equivalents per cent. Reaction is effected at 200 DEG -250 DEG C. in the presence of an ester-interchange catalyst and possibly a solvent (e.g. xylene). The reaction may be terminated by pouring the reaction mixture into a solvent (e.g. polyalkyl benzenes, petroleum, cresols, xylenols or polyhydroxy benzenes). The resins are primarily for use in wire enamels but may also be used in varnishes and paints, moulding powders (e.g. in admixture with wood flour, diatomaceous earth, carbon silica or mica), impregnants and bonding materials. They may be mixed with other resins, e.g. phenol-, aniline-, urea- and melamine-formaldehyde, epoxide, silicones, polyamides, polyvinyls, polystyrene, polyethylene, butadiene-styrene or cellulose acetate resins or the polyester resin of Specification 775,081.
Patent GB-167237-A (GB)
Title: Improvements in or relating to internal combustion engines for motor vehicles
IPC: F02B75/24
Filed: 1920-04-28
Abstract: 167,237. Maina, J. April 28, 1920. Valve-gear; regulating.-An engine for a road vehicle comprises four cylinders arranged in coaxial pairs with a crank-shaft between them, each pair of coaxial pistons being connected to a common crank. A cam shaft g is located above the crank shaft, and the crank casing is divided in a plane containing the axis of the two shafts. The valve-gear comprises laminated cams mounted on a shaft g, and tappet rods k which engage adjustable distance pieces mounted in levers 4 acted upon by springs 14. The valve mechanism is described in detail in Specifications 164,397, [Class 80 (ii), Gearing, Variable-speed &c.], and 166,740.
Patent GB-441827-A (GB)
Title: A horizontal conveyer with scrapers and with one or more cables
IPC: B65G19/24
Filed: 1934-04-19
Abstract: 441,827. Endless rope conveyers. PETROSANI SOC. ANON. ROMANA PENTRU EXPLOATARES MINELOR DE CARBUNI, 18, Str. Dumbrava Rosie, Bucharest. April 19, 1934, No. 11843. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 10, 1935]. [Class 78 (i)] In a scraper conveyer the connecting cables 3<11>, 3<111>, Fig. 5, are passed through slots in the scrapers 10, 10<1> and are retained by sleeves 12<11>, 12<111> secured to their ends. The length of any cable is adjusted by removing or adding ring washers 13. The parts 10, 101 are connected together by screws. In a modification (not shown) the parts 10, 10<1> are angle bars, and in a further modification the scraper 4, Fig. 7, is secured to the cables by hook members 20, 21. The driving drum has a pair of toothed wheels for engaging the scraper and a pair of wooden rings for engaging the cables. The idler roller 2, Fig. 12, at one end of the conveyer is mounted in a member 24, which is acted on by a spring 28 contained in the cylinder 29 and is connected by cables 27, 27<1> to ratchetactuated drums 25, 25<1>. The outer surface of the cylinder is formed with ratchet teeth 30, 30<1>, 30<11> which are engaged by pawls 31, 31<1>. The levers 26, 26<1> are actuated until the pawls 31, 31<1> engage that pair of teeth 30 on the cylinder which will provide the required tension on the cables. The pawls are released if the tension becomes excessive by the mechanism 32, 32<1>.
Patent GB-1530792-A (GB)
Title: Radiation scanning system
IPC: G02B26/12
Filed: 1975-12-30
Abstract: 1530792 Scanning arrangements BARR & STROUD Ltd 30 Dec 1975 [5 Feb 1975] 11868/78 Divided out of 1530791 Heading G2J [Also in Division H4] A scanning system comprises:- an imaging system for forming an image of a field of view, a detector, and a scanning and relaying system whereby an image of the detector is caused to scan across the image of the field of view; wherein means are provided outside the boundary of the image of the field of view but within the scan path of the detector image, whereby the detector receives a characteristic radiation feature at a selected part of the scan.  The 'means' may comprise one or more radiation sources 37, 38 (Fig. 1) arranged adjacent the image of the field of view, or may comprise one or more projection systems arranged to inject radiation adjacent said image, or may comprise specially treated end portions of the curved mirror 13 (Fig. 1). Specification 1530791 is referred to.
Patent GB-437112-A (GB)
Title: Improvements in and relating to electric motors, particularly for gramophones and like sound reproducing machines
IPC: H02K23/66
Filed: 1934-04-20
Abstract: 437,112. Motors. OFFEN, F. J., and GARRARD ENGINEERING & MANUFACTURING CO., Ltd., Newcastle Street, Swindon, Wiltshire. April 20, 1934, No. 11921. [Class 35] [See also Group XXXVI] Terminals and accessories, arrangement on machines.-A resistance coil for universal motor is interchangeably mounted within an opening in the motor frame structure and is attached to or formed in one with the terminal carrier. In the form shown, the block 10 carries four terminals for the various motor circuits and has lugs for bolting it to the frame 1 into which the resiliently supported resistance 9 extends. Air circulated over the resistance by a fan or the governor weights leaves the frame through apertures, such as 24.
Patent GB-658704-A (GB)
Title: Improvements in moulded cosmetic boxes and like containers having hinged covers
IPC: A45D40/22
Filed: 1949-05-04
Abstract: 658,704. Boxes. COLUMBIA PROTEKTOSITE CO., Inc. May 4, 1949, No. 11925. Convention date, May 6, 1948. [Class 18] [Also in Group XXV] A moulded box has a hollow structure 11f integral with the body and carrying projecting pivots 11h engaged by yoke members 12e integral with the lid 12. The yoke members 12e are resilient and snap over the pivots. There is a rabbet joint between the lid and body and the lid carries a projection 12b, having a recess 12c which co-operates with a projection 11d on the body to keep the box closed.
Patent GB-229156-A (GB)
Title: Improvements in and relating to relief devices for electric switches or the like
IPC: H01H9/04
Filed: 1924-05-14
Abstract: 229,156. British Thomson-Houston Co., Ltd., and Hanna, C. T. May 14, 1924. Explosions, preventing in connection with electric apparatus.-The casings of switches, mining controllers &c. are fitted with a device which allows the hot gases to escape should there be an explosion within the casing but cools them down so that no flame can pass through to the outer atmosphere. The device comprises two or more groups of spaced washers A arranged so that the hot gases pass through them in series. Fig. 1 shows two groups separated by a plate B which drives the gases into contact with the cooling metallic enclosure E. A rod C prevents undue pressure on the upper group of washers. The enclosure E has three or more projections G, Fig. 3, which serve to locate the washers A and also to divide the hot gases into sections.
Patent GB-376853-A (GB)
Title: Improvements relating to adjustable windows
IPC: E05F11/00
Filed: 1931-04-22
Abstract: 376,853. Sliding-window fastenings and holders. RAWLINGS MANUFACTURING CO., Ltd., 1, Larch Road, Balham and DUTFIELD, A. E., The Cottage, Fayland Avenue, Streatham Park, both in London. April 22, 1931, No. 11943. [Class 44.] Pivoted toothed o r corrugated members carried by the sides of a sliding window engage racks in the window channels and are released by vertically sliding members operated by rocking a transverse shaft carried by the window. Alternatively, the racks may be on the window and the transverse shaft &c. on a stationary part. A continuously acting braking or antirattle device may be provided. Fig. 3 shows a form in which both locking and release movements of the pivoted members 38 are effected through spring means. A compression spring 33 is disposed between the offset lower end of member 38 and a sliding wedge 36 acting on a wedge-form part 37 of member 38 to move this member into engagement with a rack as shown. Release is effected by depression of a rod 32 connected to wedge 36 when a transverse shaft 34 is rocked. Shaft 34 is moved by a finger-piece (not shown), which is gripped against a fixed thumb-piece, (not shown), when the window is to be moved. A braking or anti-rattle device comprises oppositely disposed wedges 41, 42, wedge 41 being fixed to the window and the wedge 42 supported by a rod 43 passing loosely through wedge 41 and surrounded by a spring 44 urging wedge 42 upwards and outwards into engagement with a non-toothed part of the window channel. Rod 43 may be connected by a rod 46 with wedge 36 so that positive release of wedge 42 is effected, or this connection may be omitted, wedge 42 yielding when pressure is applied to move the window. A modification is described in which the lower end of spring 33 bears against a fixed abutment and a separate plate spring is provided to urge member 38 to release position. Fig. 4 shows a form in which the rack is on the window. A catch member 47 pivoted at 48 on a stationary part such as a garnish rail is urged into engagement with the rack by the upward movement of a sliding member 49 under action of a compression spring 50, an inclined portion 49a of the slide engaging a corresponding shoulder 47a of member 47. The transverse shaft 51 has arms 52 which depress member 49 when the shaft is rocked, a pin 53 on member 49 engaging a tail-piece 54 of member 47 to rock the catch out of engagement. Specification 344,566 is referred to.
Patent GB-695097-A (GB)
Title: Improvements in and relating to valves for use in fire extinguishing installations
IPC: A62C37/16
Filed: 1952-05-12
Abstract: 695,097. Fire-extinguishing. GEVEKE, H. H. May 12, 1952, No. 11987/52. Class 47(ii) [Also in Group XXIX] In a valve for use in a fire extinguishing sprinkler installation and of the kind comprising a closure member 4 held against a seat 3 located between an inlet 2 for compressed gas and outlets 9, 10 leading to mist sprinklers by a fuse 13 which gives way when subjected to a relatively high temperature, a passage 6, 8 is provided through the valve stem so that, when member 13 fuses and the valve is opened by the pressure of the inlet gas, the latter can also flow to atmosphere through the valve stem. If a water supply is now connected to the inlet pipe 2, water will flow through the sprinkler heads in the form of a mist and through the passage 8 in the form of a jet, the latter being spread by a baffle 12.
Patent GB-309960-A (GB)
Title: Improvements relating to the warp letting off arrangements of looms
IPC: D03D49/06
Filed: 1929-04-18
Abstract: 309,960. Piloix, A. April 18, 1928, [Convention date]. Letting, off warps.-The warp beam 1 is braked by means of a brake band 3 lined with a layer of leather, balata, or fibre &c. passing round a brake drum 2 and fixed at one end by means of a bolt 6 to a double armed lever 7, 8, whilst the other end is fixed to a member 11 loose on the bolt 6. A U-shaped notched bar 13 is fixed to the arm 7 and the bolt 6 passes with clearance through a bar 15. The warp tension causes the beam to revolve taking with it the brake band and lever 7, 8 against the action of a weighted cable 18, until the bar 15 engages a fixed stop 23 and moves into an inclined position with reference to the bolt 6, so that it pivots against the lower end of the bar 13, and its upper end pushes back the member 11 against the action of a spring 12. The brake band is then slackened until it slips on the drum, after which the warp is delivered at constant tension. The bar 15 may be moved by hand into the position shown in dotted lines in Fig. 5, when it is desired to loosen the brake band, so that the beam may be rotated by hand. The movement of the brake band 3 clockwise is limited by a finger 20 on the lever 7, 8 abutting against the frame 21.
Patent GB-233733-A (GB)
Title: Improvements in or relating to telephone instruments
IPC: H04R11/00
Filed: 1925-05-11
Abstract: 233,733. Neufeldt & Kuhnke. May 12, 1924, [Convention date]. Magnets.-The magnetic system of a telephone instrument comprises permanent magnets 1, 2 holding between them pole-shoes 3, 4 having polar extensions 5, 6 and 7, 8 respectively. An armature 9 is supported between the extensions and the permanent field passes in opposite directions across the ends of the armature.
Patent GB-623616-A (GB)
Title: Improvements in or relating to cutter-heads for cylinder boring and like machines
IPC: B23B29/034
Filed: 1947-05-07
Abstract: 623,616. Boring-heads. KITCHEN & WADE, Ltd., and WALKER, D. May 7,1947, No. 12289. [Class 83 (iii)] A cutter-head for a cylinder boring or like machine comprises a vertically adjustable sleeve b keyed (c) to a spindle a, boring cutters d<SP>1</SP>-d<SP>3</SP> passing through aligned transverse openings a<SP>1</SP> in the sleeve and spindle, and means provided to adjust and lock the cutters carried by the sleeve in desired radial positions. A graduated ring nut h is set to the required position and a lock-nut i rotated to clamp the sleeve b in position. The boring cutters are radially adjustable by end-screws passing into the body of the cutters these screws having locking screws and the cutters are clamped in the radially adjusted position in the sleeve by screws f<SP>1</SP>-f<SP>3</SP>. Other cutters, not vertically adjustable as above, may be carried by the spindle.
Patent GB-279782-A (GB)
Title: Improvements in the manufacture of rolled rings
IPC: B21H1/06
Filed: 1927-05-07
Abstract: 279,782. Krupp Akt.-Ges., F. Nov. 1, 1926, [Convention date ]. No Patent granted (Sealing fee not paid). Rings. - A blank for use in the production by rolling of rings for roller bearings, and individual rings of ring springs consists of a steel strip A with rounded off narrow sides a<1> and a narrow central slot a<2>, preferably also having rounded off narrow sides. The blank is .opened out by a mandrel &c. and is then rolled into a ring, the fibres in the process being altered from the direction as shown to in Fig. 1 to form substantially circles concentric with the centre of the ring as shown in Fig. 3 so as to increase the tensile and compressive strength.