baber/WOPTO huggingface dataset:
Patent GB-626345-A (GB)
Title: Thermal power plant which serves to drive propellers, particularly marine propellers, with adjustable blades
IPC: B63H3/08
Filed: 1946-11-19
Abstract: 626,345. Propelling ships. AKT.-GES. FUR TECHNISCHE STUDIEN. Nov. 19, 1946, No. 34258. Convention date, Dec. 12, 1945. [Class 114] [Also in Group XXVI] A ship's propelling plant using a compressed gaseous medium, has this medium used also for actuating the variable pitch gear of the propeller. The governing of the gas turbine 4, 41 is carried out by the governor 17 either to admit air from the H.P. reservoir 8 or to reject air to the L.P. reservoir 14. Air from the H.P. reservoir is led to a control valve A by which the air is selectively directed to a motor for operating the propeller pitch varying gear. When air is admitted to the motor the piston 43 lifts the locking pawl 42, allowing the actuating rod 41 to move axially.
Patent GB-1516197-A (GB)
Title: Cylinder head block for internal combustion engines
IPC: F01N3/00
Filed: 1975-08-18
Abstract: 1516197 Exhaust passage in IC engine FUJI HEAVY INDUSTRIES Ltd 18 Aug 1975 [25 Oct 1974] 34291/75 Heading F1B The exhaust passage of an I.C. engine cylinder head includes a liner comprising inner and outer tubular members 1, 2 secured together adjacent an exhaust valve seat 5, and having a space formed between the inner and outer members. The space may be filled with heat-insulating material.
Patent GB-605248-A (GB)
Title: Improvements in or relating to straight-bar knitting machines
IPC: D04B11/00
Filed: 1945-12-19
Abstract: 605,248. Knitting-machines. BLACKBURN & SONS, Ltd., G., COTTON, Ltd., W., COOPER, W. A.. and START, E. Dec. 19, 1945, No. 34364. [Class 74(ii)] The thread trapping and severing mechanism of a straight-bar machine comprises a number of fixed members A having openings 4 in which the thread is laid, movable sinker-like members B, disposed alternately between them and adapted to press the thread between the members A, and a cutting blade C. The blade C may be mounted between two of the members A. The members B are arranged in tricks at one end of the sinker sley 2. Prior to a thread going out of action, the movable members B and the cutting blade C are withdrawn and the carrier stops removed by rods 19 which may be controlled through links 22, 25, 26, 27, by a stud 20 on the pattern chain. The thread carrier lays the thread in the openings 4 and is then held inoperative by a locking lever 29 which engages a stop 30 on the carrier. The locking lever may normally be moved into the engaging position by a spring 32 and may be raised to release the carrier by a stud 37 on the pattern chain through links 33, 34, 35, 36. The movable members B are advanced by the slur cock acting on jacks 6a so that the thread is trapped between the movable members B and the thickened ends 1 of the fixed members A. The catchbar advances the blade C when an edge 8 cuts the thread. The catch-bar may withdraw the members B with the sinker jacks, but in order that they may be left in the advanced position to hold the thread, a section 12 of the catch-bar 10 may be arranged to be raised clear of the butts 11, 9 of members B and C and to be lowered to withdraw them when required. The section 12 is carried by a lever 14 pivoted to the catchbar lever 15 and having an extension 16. The extension 16 engages an abutment on the thread carrier 5 as the latter becomes inoperative, to raise the section 12 clear of the butts. Alternatively, the section may be controlled through linkage by studs on the pattern chain giving an arrangement whereby, - threads from a number of carriers may be trapped, the fixed members A having forked spring blades which nold the thread between blades of adjacent members A when the movable members B are withdrawn. In order that a thread carrier may be brought into use with the members B still advanced, each member B may be provided with an opening 18 in which the thread is laid.
Patent GB-1505430-A (GB)
Title: Coherent pulse-doppler radars
IPC: G01S7/288
Filed: 1976-08-18
Abstract: 1505430 Radar INTERNATIONAL STANDARD ELECTRIC CORP 18 Aug 1976 [22 Aug 1975] 34456/76 Heading H4D A pulse doppler radar is described including a non coherent transmitter, e.g. magnetron 1, feeding an antenna with pulses whose carrier # 0  has phase and amplitude variations, a first mixer 6 receiving the transmitted signal E(t ) and a signal # OL  from a stable local oscillator 7 to give the frequency shifted transmitted signal E'(t) of frequency # O -# OL , and a secon mixer 9 receiving the signal R(t) of frequency # O  Œ # D (# O  = doppler shift) reflected from an object and the signal # OL  to give the frequency shifted echo signal R'(t) of frequency # O  Œ # O -# OL . A first phase discriminator 12 measures phase shift Z(t) between E't and quadrature signals from a stable reference oscillator 11, the phase shift being averaged over the pulse to give quadrature averages Z 1 =A o Cos# o , Z 2 =A o  Sin # o . A second phase discriminator 14 measures phase shift W(t) between R'(t) and the reference quadrature signals, the phase shift being averaged over each range increment to give quadrature averages W 1  = A Cos #, W 2 =A Sin #. A calculator 16 receives the signals Z, and Z 2  as stored during the receiving phase at 17 together with signals # 1  and # 2  to give results i.e. independent of the transmitter phase and amplitude variations. A digital version of the radar is described, Fig. 2 (not shown), together with details of the calculators 16, Figs. 3, 4 (not shown).
Patent GB-973178-A (GB)
Title: Power sweeper air filter and dust collector system
IPC: A47L11/24
Filed: 1962-09-10
Abstract: 973,178. Road sweeping machines. G. H. TENNANT CO. Sept. 10, 1962 [Sept. 13, 1961], No. 34474/62. Heading E1G. [Also in Division B1] A road sweeping machine comprises a driven brush 15 which also propels the machine in the direction of the arrow 21. The brush housing 25 communicates with a refuse receptacle 20 above which is mounted a series of filter bags 61. A blower 51 (not shown) communicates with the outlet 36 of the filter housing. The filter bags 61 are suspended on rods 62 and weighted by rods 72. The bags may be formed by looping a length of textile fabric over the rods and stitching the side edges. A hem is formed to receive the rods 72. Each bag may contain spacing means 340, Fig. 15, of woven plastics material. During movement of the machine the bags swing against each other and the rods 72 bounce up and down which dislodges dust accumulated on or between the bags. More thorough cleaning of the bags is achieved by rotation of a shaft (not shown) below the bags which carries vanes for striking the rods 72. In an alternative embodiment the brush and the refuse receptacle are transposed and the blower is located between the brush and the filter, a second smaller dust receptacle being located below the filter.
Patent GB-521854-A (GB)
Title: Improvements in and relating to the chilling of glass for tempering
IPC: C03B27/03
Filed: 1938-11-26
Abstract: 521,854. Tempering glass. PILKINGTON BROS., Ltd., MITFORD, J. B., and SHAVER, W. W. Nov. 26, 1938, No. 34483. [Class 56] A method of tempering glass consists in subjecting the hot glass momentarily to a liquid at a temperature above that which causes crizzling of the glass, but is too high to temper it to the desired degree, and then immediately immersing the glass in the chilling liquid. The liquid 3 for the preliminary treatment may be contained in a vessel 1 provided with a heating flue 2, and the chilling liquid 6 may be contained in a vessel 4 with a heating flue 5. A hooked support 9 is pivoted on a shaft 10 between the two vessels. In use, the heated glass article 7 is pushed off rails 8 into the bath 3 and falls on to the support 9. Immediately, the shaft 10 is turned to tilt the article into the chilling bath 6. Instead of being immersed in the bath 3, the article may be passed through a spray of liquid at the higher temperature before immersion in the bath 6. With an article of ordinary soda-lime glass, the liquid may consist of the molten eutectic mixture of sodium and potassium nitrates, the bath 3 being kept at a temperature of 450‹ C. and the bath 6 at 250‹ C. Specifications 477,585, 505,626, 505,627 and 507,170 are referred to.
Patent GB-208381-A (GB)
Title: Improvements in framework for aircraft and other structures
IPC: B64C1/06
Filed: 1922-12-19
Abstract: 208,381. Armstrong Siddeley Motors, Ltd., and Green, F. M. Dec. 19, 1922. Wire and rod couplings and joints.-A rib C of an aeroplane wing or other structure is secured to edge members A, B of open channel section by providing it with a head D at each end lying in the channel and providing means for pinching together the edges of the channel at each side of the rib. Such means may comprise clips E formed with edges E<2> adapted for sliding engagement with the flanges A<2>, B<2> of the members A, B.
Patent GB-855472-A (GB)
Title: Improvements in and relating to "bagging" machines
IPC: B65B25/20
Filed: 1958-10-30
Abstract: 855,472. Seaming; cutting webs. SMITH & NEPHEW PLASTICS Ltd. Oct. 30, 1958 [Dec. 20, 1957], No. 34906/58. Classes 31 (1) and 42 (1). [Also in Group XVII] A sealing and severing device in a packaging machine (see Group XVII) comprises a member 31 movable by a solenoid 33 which presses a thermoplastic web against a heated blade 36. The blade is shielded by bars 37 which are depressed by the member 31 to expose the blade. The member 31 may comprise a foamed silicon rubber pad, and the blade may have a covering of polytetrafluoroethylene to obviate adhesion between the knife and web. The knife and member 31 may be L-shaped to seal bags formed from the web along two sides simultaneously.
Patent GB-802959-A (GB)
Title: Improvements relating to the electrolysis of fused salt
IPC: C25C3/12
Filed: 1955-12-06
Abstract: 802,959. Electric furnace electrodes. MONTECATINI SOC. GENERALE PER L'INDUSTRIA MINERARIA E CHIMICA and VARDA, G. DE. Dec. 6, 1955 [Dec. 31, 1954], No. 34922/55. Class 39(3) [Also in Group XXXVI] In fused salt electroylsis, e.g. of aluminium compounds, in which a consumable anode 9 is employed, the anode is periodically restored by locating a replaceable layer 14, e.g. of electrodic carbon, against the surface of the anode 9 to be restored to leave an interstice between the anode 9 and the layer 14, an electrically conductive durably liquid layer, e.g. of fused electrolyte, being formed in the interstice. A carbonaceous substance, e.g. carbon dust, may be suspended in the liquid, which is introduced into the interstice. The liquid is poured into the interstice while the layer 14 is held about 2 mm. away from the electrode 9, the layer 14 being slowly advanced towards the electrode to take up its final position as the interstice is filled. In one embodiment. Fig. 4, in which statioary inclined anodes 9 are employed, the layer 14, which may be 3 to 10 cms. thick, is preheated and its rear face may be corrugated or undulating to correspond with similar shapes on the face of the anode, its lower edge 17 resting on an inert ledge 18. A plurality of juxtaposed strips may form the layer 14. A stop, e.g. of magnesite, alumina or aluminium nitride prevents the layer 14 rising in the bath. In the interstice, pitch, a molten metal, e.g. aluminium, (where the .cell is producing aluminium) fior ne carbon dust e.g. in fused bath, may be dispersed to increase the conductivity. In another embodiment, Fig. 7 in which vertically adjustable anodes 21 are employed, the anodes 21 are withdrawn from the bath and the replaceable layer, which is a plate 22 having a peripheral flange 22<SP>1</SP>, its floated on the bath 2. On the inner face of the plate 22, which may be corrugated, a thin layer 23 of fine carbon dust, aluminium chips, a mixture of bath and carbon dust or molten aluminium, e.g. of 1 per cent to 5 per cent by weight of the plate 22, may be spread. The anode 21 is then lowered to contact the plate 22. A protective layer 24. e.g. fused or sintered alumina or magnesia, or aluminium nitride may cover all but the lower face of the anodes 21. The method described with reference to Fig. 7 is equally applicable to self-bakd Soderberg anodes, and the restorable layer may comprise a plurality of mating strips flanged at least at one end. Specification 800,092 is referred to.
Patent GB-1190782-A (GB)
Title: The Recharging of Cryostats with Liquid Coolant
IPC: F17C6/00
Filed: 1967-07-28
Abstract: 1,190,782. Valves. MAX-PLANCKGESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN E.V. 28 July, 1967 [29 July, 1966], No. 34943/67. Heading F2V. [Also in Divisions F4 and G3] Rise in the level of coolant in a cryostat above a predetermined value renders a magnet coil superconductive so that it closes a valve in a conduit supplying coolant to the cryostat from a pressurized reservoir. In Fig. 1, liquid helium, maintained at a constant pressure above atmosphere in a reservoir 14 by an automatic gas relief valve 6, is supplied through a duct 7 to a cryostat 1. The reservoir and cryostat are surrounded by vacuum and nitrogen-filled jackets and a vacuum jacket 10 surrounding the duct contains a copper radiation protection tube 8 and a cooling duct 9 conveying waste gas from the cryostat. The liquid in the cryostat rises to and is automatically maintained at a level at which it renders the solenoid of an electromagnetically operated valve 4 superconductive so that sufficient current flows to close the valve and prevent further supply of liquid. Leads to the solenoid from an electrical source 13 pass through duct 9. One arrangement of valve is shown in more detail in Fig. 2 in which the solenoid 25 contained in a perforated casing 24 operates a soft-iron core 26 against a spring 34 to close a conical valve 27 co-operating with the end of duct 7. The supply from duct 7 to the cryostat passes through minute perforations 32 to prevent loss of coolant due to formation of eddies. The maximum valve opening is adjustable by a ring nut 29. Modified valve arrangements are described in which (a) duct 7 passes around instead of through the solenoid, (b) metallic conductors attached to the solenoid make contact with the rising helium and render the solenoid superconductive before the level reaches the solenoid; (c) porous material, e.g. sintered metal, replaces perforated material 32; (d) the valve is located above the solenoid and surrounded by a vacuum chamber formed by welding at normal pressure a chamber containing activated charcoal.
Patent GB-1454799-A (GB)
Title: Scraper conveyor discharge aperture closure arrangement
IPC: B65G47/78
Filed: 1974-08-08
Abstract: 1454799 Charging coke ovens BERGWERKSVERBAND GmbH and DIDIER ENG GmbH 8 Aug 1974 [8 Aug 1973] 34948/74 Heading F4B [Also in Division F2] An arrangement for charging coke ovens comprises an endless scraper conveyer 1, and a discharge orifice 2 with a right angled lower rim 4 engaged by the sloping sealing surface 7 of a flap valve 6. The flap is operated by a lever 8 actuated by a crank shaft 9 and abutments 10 allow of slight tilting of said flap to accommodate its sealing position. In its open position shown in faint lines the flap rests of the sloping upper wall of a shoot 3 feeding an oven opening. The aperture 2 and the surface 7 may be lined with a resilient sealing strip.
Patent GB-884614-A (GB)
Title: Improvements in or relating to the preparation of polyethylene dispersions or powders
IPC: C08J3/07
Filed: 1959-10-15
Abstract: Polyethylene dispersions and powders are made by dissolving the polymer in a hot solvent therefor and thereafter gradually bringing the hot solution into contact with cold water to which a turbulent motion is imparted so as to cause a rapid cooling of the polyethylene solution to a temperature below 104 DEG  F., whereby an aqueous dispersion of polymer particles is obtained.  From the resulting dispersion the solvent may be gradually evaporated at a temperature lower than 131 DEG  F. while undergoing continuous stirring followed, if it is desired to produce a polyethylene powder, by filtration and drying, the particle size of the resulting powder being determined by the rate of stirring during the evaporation step.  The solvent for the polyethylene may be an aromatic, aliphatic or cycloaliphatic hydrocarbon or a chlorinated compound, e.g. toluene or trichloroethylene.  The water to which the polyethylene solution is added may contain an emulsifying or dispersing agent, e.g. sodium lauryl sulphonate or a polyoxyethylene derivative of a higher diamine.  After the evaporation of solvent from the aqueous dispersion, excess emulsifying or dispersing agent may be removed by decantation, whereafter by a slight stirring of the residual mass a stable aqueous dispersion of polyethylene having a concentration in the range of from 15 to 60% by weight is obtained.  The stability of the so-obtained dispersion may be increased by adding thereto a solvent for polyethylene having a density greater than 1, e.g. trichloroethylene.  The polyethylene produced in powder form may be used for coating metal surfaces by a sintering procedure and may also be applied to fabrics and paper.  The polyethylene dispersions may be applied to fabrics and paper.  Specifications 515,582, 571,814, 671,968, 718,515 and 721,908 are referred to.
Patent GB-522049-A (GB)
Title: Improvements relating to gas regulators
IPC: G05D23/02
Filed: 1938-12-01
Abstract: 522,049. Thermostats. UNITED GAS INDUSTRIES, Ltd., SIMPSON, S., and MATTHEWS, J. Dec. 1, 1938, No. 35071. [Class 135] A thermostat of the kind which operates by the differential linear expansion of two of its parts has a central rod connected at one end by a screw thread with a concentric sleeve and at the other end is coupled to the gas valve for rotation thereby, while being free for axial movement into and out of contact with the valve which tends to close under spring action, the valve being coupled for rotation to the temperature adjusting knob. The base a of the casing has a screwed projection a<SP>1</SP> adapted to be secured to the wall of the gas oven or the like. The outer element of the thermo-sensitive member is screwed in the projection a and is closed at the outer end by a screwed cap b<SP>2</SP> having an internal screwed socket in which a rod c forming the inner element of the thermo-sensitive member is adjustably secured. The free end of this rod engages the bottom of a deep socket in the valve member e<SP>3</SP> and is slotted to engage a pin f extending transversely across the socket. The valve member is slidably mounted on a guide m the head of the pin f engaging a slot in the guide so that rotation of the guide rotates the valve member and rod c to effect the desired adjustment. The guide has a shoulder held against a packing washer q by a nut r screwed on to the guide and forming on the one hand a gland for the stuffing box p and on the other a support for a readjusting handle k. This handle which has a graduated flange working beneath a window in an outer flange j on the casing is held in -position. with a radial pin t engaging one of a series of recesses in the undersurface of the handle by a screwed cap. On removing the cap the handle may be withdrawn as far as a stop ring r' to disengage the pin and allow the handle to be turned to a new position. Stops on the inner side of the flange k<SP>1</SP> co-operate with a fixed stop on an inner flange a<SP>4</SP> on the casing.
Patent GB-204299-A (GB)
Title: Improvements in key clutches
IPC: F16D11/06
Filed: 1922-12-27
Abstract: 204,299. Bliss Co., E. W., (Assignees of Strout, R. W.). Sept. 22, 1922, [Convention date]. Clutches, claw; operating clutches.-In segmental-key clutches for presses, comprising a locking-key to prevent over-running and an operative connection between the driving-key and the locking-key for disengaging the locking-key when the driving-key is disengaged, this connection is such as to permit the locking-key to be held out of operation without affecting the actuation of the driving-key. A heavy driving-pulley 10 has notches 12 formed in its hub portion 99 and bears by extensions 104, 105 on collars 100, 101 keyed to the crank-shaft 15, there being some clearance between the parts 15, 99. A driving- key 18, bearing in recesses 23 in the shaft 15 and collars 100, 101, has a central segmental portion 20 adapted to engage a notch 12 under the action of a coil spring 30. The key 18 is rocked to the disengaged position by a catch 37, adapted by its connections 39, 42, 45 to a spring-pulled treadle rod 38 to be turned into the path of an arm 3 on the key, as described in Specification 211,280. A locking-key 60, similar to the key 18 but adapted to turn oppositely, is arranged under spring action to engage a second notch 12 to prevent over-running as soon as there is driving- contact between the key 18 and the rear face of the first notch. As shown in Fig. 5, the engagement of teeth 68, 69 on the keys 18, 60 positively causes disengagement of the locking-key with the driving-key but does not constrain the engaging movement of either. The tooth 68 may be formed on a separate collar 71, Figs 1 and 7, secured on a squared part 72 of the key 18. The coil springs 30 are housed in a cap 110 and secured at their outer ends to rotatable discs 80, whereby the spring tension may be relieved to throw the key 60 out of action, in order to allow the operator to " bump " the press, or to throw both keys out of action to protect him when setting dies &c. Pins 90 work in grooves 93 to limit the motion of the discs 80, and set-screws 87 are provided to lock them.
Patent GB-935213-A (GB)
Title: Device for guiding the wheels of road vehicles
IPC: B60B11/06
Filed: 1960-10-14
Abstract: 935,213. Vehicle wheel rims; twin vehicle wheels. SOC. DE CONTROLE ET D'EXPLOITATION DE TRANSPORTS AUXILIAIRES. Oct. 14, 1960 [Oct. 24, 1959], No. 35292/60. Classes 144 (1) and 144 (2). [Also in Group XXX] The wheels of a road vehicle carry guiding members 5 adapted to engage rails 8 at a loading bay or on the platform of a vehicle on to which the guided vehicle is to be run. The illustration shows the rear axle of a semitrailer with twin wheels. The wheels 2, 3 are located on the hub 1 by a spacer 4 and are secured by a ring 7 held in place by studs and nuts 6. The guiding member 5 is held between the spacer 4 and the inner wheel 3 and has a turned-over edge 5a to avoid damaging the tyre. Alternatively, the guiding member 5 may be gripped between the bead of the tyre and the tyre-retaining ring 9 or may replace the tyre-retaining ring 9 and be held in position by the usual split retainer 12.
Patent GB-866196-A (GB)
Title: Machine for separating potatoes from soil and other matter
IPC: B07B13/00
Filed: 1958-11-04
Abstract: 866,196. Screening apparatus. POWELL, T.W.S. Nov. 3, 1959 [Nov. 4, 1958], No. 35329/58. Class 117 A machine for at least partially separating potatoes from soil, haulms and other matter comprises horizontal and parallel feed rollers 10-15 rotated in the same sense to carry the feed towards separating rollers 17, 18 rotated in opposite senses which remove haulms and light matter between them. Fine material falls between the feed rollers which consist of plain rollers 1'0-12 and rollers 13-15 with helical ribs therealong so that potatoes and free clods of earth and stones are together fed towards one end of the series of feed rollers where final separation may be effected. The rollers are mounted in a frame 22 and driven by a common drive chain and the roller 18 is carried in a vertically adjustable spring urged block so that the distance between the separating rollers is variable. A wide mesh conveyer 34, comprising spaced parallel bars 35 and widely spaced flexible bands normal to them, may run above the rollers and receive the initial feed and carry away the large unwanted matter. The separation rollers 17, 18 may be shorter than the feed rollers to leave a gap through which the potatoes are delivered; in a further modification one of each of the separation rollers has a smaller diameter extension at one end, and the potatoes are fed between them at that end.