baber/WOPTO huggingface dataset:
Patent GB-965918-A (GB)
Title: Improvements in and relating to ventilating fans
IPC: F24F7/013
Filed: 1961-04-28
Abstract: 965,918. Window-fittings for ventilators. M. HOSSE, [trading as P. LINKE]. April 28, 1961 [May 16, 1960], No. 15536/61. Heading F4V. A window-fitting ventilator comprises a divided casing which is formed from two identically shaped halves 2 adapted to be located on each side of a window pane 1 and to be held into position by clamping rings 12, 13. The ventilator contains a fan motor, a fan wheel, and means for closing the opening in the window which in the preferred embodiment is an iris diaphragm 21. Each half casing 2 has fitted into it an identical protective grille 3 with a centre cover-piece 4. One cover-piece 4 is used to support the fan motor and the fan wheel. The two clamping rings, ring 12 and counter ring 13, are used to clamp the lefthand half-casing to the window pane 1. The right-hand half-casing 2 is held in a suspended position by hook screws 15 (not shown), which engage in openings in the counter ring 13. A single screw 19 holds the right-hand halfcasing 2 in alignment with the left-hand halfcasing 2. The counter ring 13 has a flange 17 which forms the duct 8 for the passage of air through the ventilator. The periphery of the fan motor casing 25 is provided with cooling fins 27 which have notched recesses 27<SP>1</SP> for receiving the blades of the iris diaphragm 21. The diaphragm blades are properly guided by these recesses 27<SP>1</SP> and ensure that the closed diaphragm blades form an air-tight seal in the window opening. A switch 29 for reversing the direction of rotation of the fan motor is housed in a bay 28 in the right-hand half-casing 2. The cords (not shown) which operate the iris diaphragm 21, also operate an off-on switch for the fan motor. A filter (not illustrated) may be fitted to the ventilator to prevent the entry of insects and dust and may also be provided with a disinfectant or a deodorant for the chemical purification of the entering air.
Patent GB-828706-A (GB)
Title: Improvements in or relating to high linear polyesters
Inventor: LINCOLN JAMES
IPC: C08G63/83
Filed: 1956-05-18
Abstract: A high linear polyester of good colour is made by heating a low linear polyester of intrinsic viscosity, at most 0.4, in the presence of magnesium hypophosphite as catalyst.  The low linear polyester may be made (a) by reacting a diester of a dicarboxylic acid with a glycol, or (b) by reacting a dicarboxylic acid and a cyclic glycol carbonate by the process of Specifications 707,913 or 764,964.  As additional catalyst there may be used magnesium metal or stannous phosphide (see Specification 796,621) or when starting from terephthalic acid and ethylene carbonate, sodium terephthalate. Titanium dioxide may be added as delustrant.  The acid may be adipic acid, terephthalic acid, a substituted terephthalic acid, diphenyl-4,41-dicarboxylic acid, an a ,o -diphenylalkane-4,41-dicarboxylic acid or an a ,o -diphenoxyalkane4,41-dicarboxylic acid.  The glycol may be ethylene, trimethylene or propylene glycol.  Examples described the production of fibreforming polyethylene terephthalate.  Specification 742,793 also is referred to.
Patent GB-529315-A (GB)
Title: Spring arrangements for the wheels of side cars
IPC: B62K27/02
Filed: 1939-05-26
Abstract: 529,315. Vehicle spring-suspensions. BAYERISCHE MOTOREN WERKE AKT.-GES. May 26, 1939, No. 15743. Convention date, May 27, 1938. [Class 108 (ii)] In an arrangement in which a side-car wheel is spring-mounted relatively to the side-car frame comprising a rocking lever 4, which may be a member of a parallelogram guiding device, the movement of the lever is limited by a stop 3 so that the wheel is prevented from springing downwardly to an unlimited extent relatively to the frame. As shown in Fig. 1, the lever 4 engages a tension bar spring 2. The spring may be pre-tensioned against the stop. The arrangement shown in Fig. 3 comprises a tension spring 5 engaging the lower side of the lever. It may be replaced by a compression spring engaging the upper side of the lever.
Patent GB-1060932-A (GB)
Title: Optical projection system
IPC: G02B1/00
Filed: 1965-04-13
Abstract: 1,060,932. Optical projection apparatus. E.J. ANTON. April 13, 1965, No.15782/65. Heading G2J. The magnification of the image projected on a screen 33 is increased by the use of a negative plano-concave element 35 adjustably mounted beyond the focal point 31 of a Petzval-type objective lens system. The cine projection system shown has a condenser 7, shutter 9, film gate 17 and lens aperture 19. Slide projection is also possible.
Patent GB-138020-A (GB)
Title: Improvements in rimless eyeglass mounts
IPC: G02C1/02
Filed: 1919-06-24
Abstract: 138,020. Newbold, H. June 24, 1919. Eyeglasses.-In finger-piece mounts, the plaquet arms fare pivoted to the bridge member b close up to the lens a and either on a pin h or an internal lug, Fig. 4, or external lug, Fig. 12. The lens is recessed at a<1> to take the pivots. The bridge and lens-straps c are formed in one stamping, Fig. 8, the arm f passing through the slot g, although in a modification, Fig. 21, the slot l has a central solid part m, Fig. 18, which serves as the pivot, the arm f being notched at n to receive it. Springs engaging a hole f<2> in the arm f at one end and adapted at their end to spring into a recess p<1> keep the arms up to their work. Plaquets as described in Specifica. tion 137,792 may be used.
Patent GB-144110-A (GB)
Title: Improved means for locking the doors of railway carriages whilst in motion
IPC: E05B65/42
Filed: 1919-06-24
Abstract: 144,110. Wood, E. S. June 24, 1919. Railway-carriage doors, fastening automatically. -In an apparatus for locking a railway-carriage door whilst in motion, two levers, one carrying a vane and the other a loaded Locking-nose, are so arranged that the nose moves in the same direction on displacement of the vane in either direction. The vane-carrying lever j has its lower end j' and cam-surface j<2> positioned respectively below and above the pivot bolt i, so that when, according to the direction of displacement of the vane k, one of these surfaces is caused to bear against the upper end d<1> of the lever d, the loaded nose f is protruded into the aperture h of the door. By making the lever d and its nose f spring, instead of gravity returned, the contrivance may be arranged horizontally, while, by making the end d<1> of the lever d sufficiently wide, the lever j may be arranged to rock in an horizontal plane perpendicular to the vertical plane of the lever d.
Patent GB-882909-A (GB)
Title: Method and apparatus for smelting iron ores
IPC: C21B13/00
Filed: 1958-05-16
Abstract: 882,909. Smelting iron ores. ONTARIO RESEARCH FOUNDATION. May 16, 1958 [May 16, 1957], No. 15879/58. Class 72. [Also in Group XII] A method of treating iron ore, particularly magnetite ores, to produce iron comprises burning a fuel in an oxygen-containing gas to form an oxydising flame, this being directed downwards to impinge on the surface of a bath, introducing a mixture of finely-divided iron ore and flux into the flame from the burning fuel to be rapidly heated, and enveloping the flame and mixture with a reducing agent and reduce the iron oxide to metallic iron. The gaseous constituents from the iron and slag are separated by impinging the reaction products upon the surface of the bath. In the Figure a reducing chamber 11 is provided with passages 25 to allow exhaust of gases from the chamber 11, dust particles in the gas are separated out in headers 27. Natural gas enters through inlets 44 and 50, and oxygen or air through an inlet 51. A partition 45 contains a central burner orifice 48. A receptacle 13 is provided with a cavity 14 for molten iron and slag. The magnetite ore is mixed with a flux, preferably lime. The temperature of the bath in the cavity 14 is preferably maintained at 2800‹F. to 3000‹F. A portion of the molten iron may be drawn off from the bath, have carbon or coke added, and be returned by way of a passage 60. The natural gas may be replaced by other fuels.
Patent GB-130971-A (GB)
Title: Improvements in and relating to the Casting of Hollow Walls.
Inventor: CRAMER ANTON MARIUS
IPC: E04B2/30
Filed: 1919-06-25
Abstract: 130,971. Cramer, A. M. Aug. 7, 1918, [Convention date]. Addition to 126,612. Walls.-In the construction of hollow walls cast in situ as described in the parent Specification, the cross bonding pieces are provided with grooves 2 to key with one or more intermediate walls 3.
Patent GB-482691-A (GB)
Title: Improvements in and relating to laminated driving belts
IPC: F16G5/16
Filed: 1937-06-10
Abstract: 482,691. Driving - belts. WHITTLE, O. L. June 10, 1937, No. 16079. [Class 80 (i)] In a laminated V-belt composed of a series of overlapping strips 8, the strips are secured together by bolts 10 inserted from the underside of the belt, the bolt-heads bearing against washers 11 and the nuts 12 being screwed up tight on the outside of the belt. If desired, washers 12a may be provided also under the nuts, and may be pressed into the surfaces of the outermost strips. The invention may be applied to hexagonal belts. According to the Provisional Specification, the bolts may be replaced by pins with turned-over ends, split pins, headed pins turned over at one end, or rivets.
Patent GB-312327-A (GB)
Title: Improvements in and relating to electric motor control systems
IPC: B65H23/198
Filed: 1929-05-24
Abstract: 312,327. British Thomson-Houston Co., Ltd., (Assignees of Huston, C. B.). May 24, 1928, [Convention date]. Feeding webs.-An electric motor 11 for winding up rolled sheet steel as it is delivered from finishing rollers 15 is automatically controlled to give a linear speed equal to the speed of delivery and to maintain uniform tension on the sheet notwithstanding increasing diameter of the wound reel. For this purpose a vibratory regulator 26 alternately switches in and out resistance 31 in the motor field 12. When any change is made in the field-strength of the, motor 17 during the delivery rollers 15, as by a hand-adjusted rheostat 40, a similar change is made in the setting of the vibratory regulator.
Patent GB-624244-A (GB)
Title: Improvements in bleaching wood pulps
IPC: D21C9/10
Filed: 1947-06-19
Abstract: Wood pulp containing not more than about 70 per cent by weight of water is bleached by bringing it into contact with a mist-like dispersion of a peroxygen compound solution in a gas, e.g. air. The peroxygen compound may be hydrogen peroxide, sodium peroxide, a perborate, peracetate or the like, and alkalies such as hydroxides, carbonates, silicates and borates may also be present in the solution.  The pulp is preferably in the form of agglomerates or granules containing 50 to 70 per cent of water.
Patent GB-355377-A (GB)
Title: Improvements in or relating to boxes or containers for cigarettes or the like
IPC: A24F15/12
Filed: 1930-05-27
Abstract: 355,377. Boxes or containers for cigarettes &c. REMINGTON, J. P., 124, S. van Pelt Street, Philadelphia, U.S.A. May 27, 1930, No. 16365.. Convention date, April 19. [Class 18.] A box or container for cigarettes &c. of the kind in which the ends of one or more of. the cigarettes can be repeatedly exposed beyond the ends of the remainder comprises a casing 1, the sides of which may be open, in which a packet of cigarettes is placed having a portion of the exposed end removed, and a lid 4. The lid or the casing at the lid end is constructed to allow certain of the cigarettes to project through the opening in the packet. Spaced stops 3, 5 are provided to hold back the package and to limit the projection of the cigarettes either by the shape of the lid, or by the casing, and the lid, part only of which may be hinged. The lid may be hinged along one side, and a partition may be arranged in one part of the lid to act as the upper stop, or a bar may be arranged across the mouth of the container.
Patent GB-610594-A (GB)
Title: Improvements in or relating to electrical connections between relatively movable members
IPC: H01R35/02
Filed: 1946-05-29
Abstract: 610,594. Brushgear and collecting-rings for dynamo-electric machines. HUMBER, Ltd., MILLER, A. C., KAMPER, A. M., and BERRY, G. May 29, 1946, No. 16372. [Class 35] [Also in Group XXXVI]  The electrical connection, especially for magnetic clutches, between a slip-ring and a coil or other electrical device, is resilient to allow relative axial movement. In one form, Fig. 5, which also allows relative rotation, the slip-ring 1 is connected and fixed to a further ring 14, the clutch coil 2 being connected through a pigtail 21 to a contact rod 16. The contact rod is axially slidable in an insulating sleeve 17 under the action of a spring 19 so that it engages the ring 14 by means of a leaf contact 18. Modifications are also described where relative rotation does not occur and a radial spring strip connects the slip-ring 1 directly to the contact rod, which may be solid or of the split resilient form shown in Fig. 3. In this form, the sliding halves 9, 10, which may overlap as shown, are joined by a pigtail 13 and urged apart by a spring 11. Points 7 make contact with a coil contact and the spring strip. Specifications 594,906 and 610,519, [both in Group XXIV], are referred to.
Patent GB-1439932-A (GB)
Title: Apparatus for testing fuel injector pumps
IPC: F02M61/20
Filed: 1972-04-10
Abstract: 1439932 Testing fuel injection pumps LESLIE HARTRIDGE Ltd 10 July 1973 [10 April 1972 23 March 1973] 16420/72 Headings F1A and F1B Fuel injection pump testing apparatus comprises a fuel supply line (52), Fig. 3 (not shown) connected to force-applying means 41, Fig. 2 for closing the valves of a number of fuel injectors, pressure-varying means (53) for varying the fluid supply pressure and means 45 to prevent or reduce interaction between fuel injectors so that the operation of one fuel injector does not affect the operation of the other fuel injectors. Varying the fluid supply pressure enables the nozzle opening pressure to be matched to the injection pump under test. Space 43, Fig. 2 is fed via restrictor 45 and the fluid-pressure variations acting on piston 41 vary the compression of spring 22 thereby varying the nozzle opening pressure. In modifications the restriction 45 is replaced by a plate valve 131, Fig. 6, or a ball non-return valve (138), Fig. 7 (not shown). In an application to testing a fuel injection installation in a two cylinder engine the supply lines to the fuel injectors have valved junctions 67, 68, Fig. 4 whereby the delivery from the fuel pump 60 to test injectors can be measured whilst either or both of the engine injectors 61, 62 are rendered inoperative. In apparatus for testing a pump feeding four injectors the injection shots are collected in chambers (142), Fig. 10 (not shown) and a screw ram (139) carrying a pressure gauge (140) is connected to control the nozzle opening pressures. Pressure gauge (140) has scales calibrated to indicate the nozzle opening pressure and the actual pressure in the chamber 135, Fig. 6.
Patent GB-1461858-A (GB)
Title: Manufacture of strand-like material
IPC: G05D5/03
Filed: 1974-04-16
Abstract: 1461858 Automatic control of sliver thickness GENERAL ELECTRIC CO 16 April 1974 [20 April 1973] 16601/74 Heading G3R A characteristic (e.g. thickness) of a continuously moving strand-like material (e.g. yarn, fabric, fibre, wire) is controlled by a system in which the characteristic is measured by a fluidic device 12 connected to a fluidic circuit 14 which actuates at least one pressure sensitive electrical switch whenever the characteristic deviates from at least one predetermined value in a given direction, to thereby adjust the drive for the material and hence reduce the deviation. In the embodiment the fluidic circuit 14 comprises a pair of fluidpressure dividers 44 ... 52, Fig. 2, (not shown) which define upper and lower reference values with which the output of 12 is compared in respective comparators, each associated with a switch in series with forward and reverse windings of a stepping motor 16. This is supplied from a periodic source 20 (e.g. 30 secs. on, 30 secs. off) and drives a potentiometer 24 in a thyristor circuit 26 Fig. 4, (not shown) controlling the speed of a drive motor 30, for rolls 32. Similar rolls 38 are driven at constant speed by another motor 34. Thus the speed of rolls 32 are adjusted in discrete steps at 30 seconds intervals while the characteristic lies outside the predetermined values.
Patent GB-1046902-A (GB)
Title: Improvements in or relating to electromagnetic relays
IPC: H01H51/22
Filed: 1963-04-26
Abstract: 1,046,902. Electromagnetic relays. A. KLEMT. April 26, 1963 [April 28, 1962], No. 16604/63. Heading H2B. A bi-stable polarized relay comprises an armature mounted on a leaf spring and surrounded by a coil and moving between a pair of polepieces which are insulated from each other by an insulating e.g. sintered, permanent magnet, the armature and polepieces acting as contacts. A plurality of relays of this type sharing a common permanent magnet may be assembled in a synthetic case. The leaf spring assists the contact pressure in both positions. Two coils may be provided.
Patent GB-442365-A (GB)
Title: An improved method and apparatus for indicating and recording the dimensions and shapes of filamentary and other bodies
IPC: G01B13/08
Filed: 1934-06-05
Abstract: 442,365. Gauging; recording. ORLING, A., and ORLING, C. W., 28, Gleneagle Road, Streatham, London. June 5, 1934, Nos. 16697/34 and 3434/35. [Classes 106 (ii) and 106 (iv)] The dimensions or shapes of a filamentary or other body are determined by passing the body through or in contact with a jet of fluid and recording the variations in pressure of the jet. In one form, Fig. 1, a filament or the like t is passed between two nozzles 2, 3 of which the nozzle 2 is fed from a constant pressure source 15 whilst the nozzle 3 communicates with a member 5. The member 5 comprises a diaphragm 6 having an arm 7 on which bears an arm 8 supported by a spring 10 and connected to a lever 11 operating an ink-syphon pen 12 on a recorder 13. In a modification, the pressure-sensitive member 5 may be connected to the nozzle 2. The nozzle 2 may be circular, square or oblong. Two pairs of nozzles, mounted at right-angles to each other, may be used. The intake pipe 4 may be furnished with a leak or may be in communication with an expansible chamber, the size of which may be controlled. In another modification, Fig. 9, the filament t is passed in front of an auxiliary nozzle 23, the jet from which impinges on the jet between nozzles 1 and 4. A pressure-sensitive member 5 is coupled to the nozzle 4. In all cases the member 5 may have a diaphragm forming an external wall. A further nozzle may be placed in front of this diaphragm and connected to a constant pressure reservoir. Movement of the diaphragm throttles the nozzle to a varying degree and the resultant pressure variations are recorded. The arm 8 of the member 5 may be arranged to close electrical contacts to give visible or audible signals if predetermined limits of variation are exceeded. The syphon recorder may comprise two fixed pens 30, 31, Fig. 1, and a moving pen 12. The pens 30, 31 dip into a well 34 and are mounted on a slidable and rotatable member 36, whilst the pen 12 dips into a well 35 containing differently coloured ink and is mounted on a similar member 37. The nozzle 1 may be accurately positioned by adjustably mounting it upon an arm 56, Fig. 12, of a link quadrilateral 53, 54, 55, 56 which is pivoted at 58 to a base 57. The quadrilateral is held against adjusting screws 63 by a spring 62. The thread is guided past the nozzle by pins 68, 68<1> and 73, 73<1> mounted on arms 66, 71, of which the arm 66 is held by a spring 69 against a fine adjusting screw 70. Referenee has been directed by the Comptroller to Specifications 326,674, [Class 106 (ii)], 341,365, and 348,860.
Patent GB-142776-A (GB)
Title: Improvements in or relating to coin freed mechanism for distributing target cards and cartridges for target shooting
IPC: G07F11/00
Filed: 1919-07-04
Abstract: 142,776. Dussol, P. L. E. P., and Couaillet, A. G. May 2, 1919, [Convention date]. Delivery of articles stored in piles or bulk; packages, special. - In coin-freed apparatus for distributing target cards and cartridges, a plate having a flange for discharging the card is operated by a lever engaging a cam rotated by a handle when freed by coin, a pair of cartridges connected by a sleeve o of paper being at the same time delivered by a rotating receptacle. The carddischarging plate k<1> mounted at the bottom of a chamber k<11> is provided with cheeks k engaging the bulbous end of a lever i<111>, the other end of which carries a roller i<1> travelling on the edge of a cam i mounted on a spindle rotated by a handle f. The cartridges connected in pairs by sleeves are stacked in receptacles o<1> arranged radially between an upper plate o<11> and a distributor o<111>. The distributor is rotated one step by the handle f through a crank t to which is pivoted a lever t<1> pivoted to a block t<11> on an arm u carrying a tooth u<1> which engages a ratchet wheel x on the distributor. The distributor has a slot x<1> above which is a separator x" by which the bottom pair of cartridges in a compartment is segregated from the remainder and allowed to drop through the slot x<1> into a cup e. The receptacles are held in place by a spring arm q which may be lifted when replacement is necessary by a lever r held in raised position after operation by the engagement of a pendant arm s with a pin s<11>. Coin action, mechanical connexion.-A coin inserted in the shoot c drops into a recess in a disk g<1> and on rotation lifts a lever g<11> which otherwise would engage a pin on the disk and limit its movement. Coin-slit closing-devices.-The stack of cards presses on a spring-pressed pin l<1> connected to a shutter l<11> which moves to close the slot when the weight of the cards is withdrawn.
Patent GB-1375264-A (GB)
IPC: B63B35/66
Filed: 1972-04-12
Abstract: 1375264 Push towing INTERSTATE OIL TRANSPORT CO 12 April 1972 [9 Dec 1971] 16859/72 Headings B7A B7S and B7V  A waterborne vessel 20 having a stern notch 21 is pushed by tug 22 the bow of which can be inserted into the notch. The two vessels are coupled together by forward and aft couplings comprising interfitting forward and aft wedges 24, 28 and forward and aft recesses 25, 29 on the tug and notch respectively. The generally vertical arrangement of the forward and aft couplings provides for a number of relative drafts and trims of the two vessels. The after coupling comprises one coupling on each side of the tug and notch whilst the forward coupling may be one interfitting formation 26, 27 located directly at the bow as shown in Fig. 2.