baber/WOPTO huggingface dataset:
Patent GB-1131465-A (GB)
Title: Sliding door system
IPC: E06B3/46
Filed: 1966-01-20
Abstract: 1,131,465. Cabinets. S. S. ELLEKAER. 20 Jan., 1966, No. 2670/66. Heading A4B. Door leaves 10, 12 lying in a common plane when in closed position and slidable to lie one behind the other in spaced relation in an open position, have pins 28, 30 moving in a common groove 16 in the door frame and urged by the action of a spring 32 into the appropriate forwardly directed end 20 and branch groove 22 when a leaf is moved to closed position. By hand pressure either leaf is moved backwards, and sideways, a nylon block 26 on the forward leaf guiding the moving leaf so that the pins thereof cannot enter the branch groove 22 which already contains a pin 30. Co-operating pins and grooves may be provided at top and bottom of the leaves and frame.
Patent GB-489628-A (GB)
Title: Improvements in or relating to the propulsion of ships' lifeboats and similar craft
IPC: B63H16/18
Filed: 1937-01-29
Abstract: 489,628. Driving - arrangements for screw propellers. FLEMING, I. R., and FLEMING, F. E. Jan. 29, 1937, No. 2736 /38. Divided out of 489,624. [Class 114] In boat-propulsion gear wherein the propeller shaft is actuated by manual gear, a casing is provided to carry the bearings for the final bevel pinion drive and the forward and reverse pawl gear thereof, and it is further provided with a removable cover plate opposite the propeller shaft for the attachment of a power drive. A propeller shaft 23 is coupled by a universal joint with a bevel wheel 31 which meshes with the bevel wheel 24 freely mounted upon a transverse shaft 18, the bearing for the shaft and the bevel wheel being carried by a casing 21. The shaft 18 is adapted to be operated by cranks 16 from a number of fore and aft rods which are oscillated by hand levers and when manual propulsion is desired the lever 28 puts the clutch 26, which is keyed on the shaft 18, into engagement with the bevel wheel 24. Upon the shaft is a pawl wheel 34 with which engages ratchets 35 or 36 according to the direction of rotation required. In the hub 25 of the wheel 24 there is a one-way ratchet 27 which functions when the hand-propulsion gear is used for starting up the power machine. On the end cover 38 being removed, a gear-box 41 may be attached and the drive therefrom connected by the bevel wheel 39 with the crown wheel 24. The various control rods 42, 43 of the power plant are led through passages in the casing to the after control cockpit of the boat. Specification 489,624 is referred to.
Patent GB-1259986-A (GB)
Title: Device for automatically regulating the temperature of intake air
IPC: F02M31/07
Filed: 1969-01-17
Abstract: 1,259,986. Valves. FILTERWERK MANN & HUMMEL G.m.b.H. 17 Jan., 1969 [17 Jan., 1968], No. 2751/69. Heading F2V. [Also in Division F1] The proportions of hot and cold air entering the inlets 7, 21 for conveyance through the outlet 22 to an air filter in the intake manifold of an I.C. engine, are determined by a pivoted flap valve 8 which selectively obturates the inlets and is controlled by a thermostat 11 responsive to the temperature of the mixed streams. The valve casing consists of two plastics injection mouldings 2, 3 joined as by welding along a line 4-4 which is mainly in a diametral plane of the coaxial inlet 21 and outlet 22 but which is offset as shown to extend through pivot bearings 10 for the flap. A socket 13 for the thermostat and a spring-loaded return plunger 15 is integral with the lower moulding. The plunger is connected to an extension 9 of the flap by an overload and drive blade spring 16 through pivotal members 17, 18 also moulded in plastics. In the hot air closed position the spring is slightly bowed by a cam 8a on the flap so as to yield on further travel. The flap is also of plastics with integral pivots and has a baffle 24 to assist mixing.
Patent GB-1359586-A (GB)
Title: Circuit arrangements employing a gunn-effect semi-conductor component
IPC: H01L47/02
Filed: 1972-01-20
Abstract: 1359586 Semi-conductor switching devices FRAUNHOFER - GES ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG eV 20 Jan 1972 [16 March 1971] 2764/72 Heading H1K A two-state switching device to which a bias voltage is supplied via a load resistance comprises a body of a Gunn-effect material provided with two ohmic contacts, the body being doped at a concentration greater than a critical value (a formula is given) and having its doping fluctuations below a critical level, so that a stationary accumulation zone is formed at the anode. If the doping fluctuations closely approach the critical level stability may be assured by dielectric loading of a side surface of the body, by enhanced doping at the cathode, or by widening of the body at the cathode.
Patent GB-594588-A (GB)
Title: An improved drive and method of mounting of knives or cutters for chopping or mincing machines
IPC: B02C18/20
Filed: 1945-02-05
Abstract: 594,588. Slicing vegetables &c. SWIFT, Ltd., B. & P., and LATHAM, H. F. Feb. 5, 1945, No. 2892. [Class 5 (i)] A bowl-type or other cutting machine having a number of knives mounted in a knife head 9 and adjustable radially thereon is characterised by the provision of a toothed member 20 on the drive spindle 1 of the machine which directly engages teeth 19 on each knife so that by relative movement between the knife head 9 and toothed member 20 all the knives may be simultaneously and uniformly adjusted. In the form shown the knife head is mounted on bearings 2 on the drive spindle 1 and carries three blades 4, 5 and 6. Each blade is formed with a pair of guiding edges 7 and 8 which enable it to slide between dogs 10 formed on collars 11 and 16 which separate the blades from one another. Rack teeth 19 formed inside an elongated slot 18 in each blade co-operate with a toothed sleeve 20 rotatable on the drive spindle to effect simultaneous radial movement of the blades. The toothed sleeve is rotated by a collar 23 and a lock-nut 29 clamps the knife assembly in any adjusted position. In a modification, the toothed sleeve 20 is integral with the spindle, the knife head as a whole being rotatable to effect the adjustment.
Patent GB-196578-A (GB)
Title: Improvements in method of and apparatus for braking motor-vehicles
IPC: F16D51/46
Filed: 1923-02-01
Abstract: 196,578. Fortini, A. April 24, 1922, [Convention date]. Actuated or applied by running axle or wheel.- The brakes on the front wheel or wheels of a motor road vehicle are applied by the movement, due to the frictional drag, of the friction-members of the brakes on the rear wheel or wheels or on the transmission gear so that the application of braking action to the front wheels is dependent upon and proportional to the braking action applied to the rear wheels. The cam spindle f of an internal segment brake on a rear wheel of the vehicle and the pivot d of the segments are arranged to slide to a limited extent in slots i, k in the usual fixed disc e and a rod o extends from the pivot d to the operating-member of the brake on a front wheel of the vehicle. Thus when the rear-wheel brake is applied by a pull on the rod m the frictional drag exerted by the drum a on the segments is transmitted by the rod o so as to effect the application of the front-wheel brake. Springs n, p return the parts to the normal position when the brakes are released. The front wheel brakes may instead be similarly operated by a band brake on the transmission gear. According to the Specification as open to inspection under Sect. 91 (3) (a) the rear-wheel brake may be operated by the front-wheel brake. This subject-matter does not appear in the Specification as accepted.
Patent GB-941755-A (GB)
Title: Improvements in or relating to chromium oxide pigments
Inventor: COATES WILLIAM HENRY
IPC: C09C1/34
Filed: 1962-01-26
Abstract: A chromium sesquioxide pigment in which more than half of the particles have a size less than 5 microns, coated with up to 15% by weight of one or more of the oxides of titanium, aluminium and cobalt.  The process is preferably carried out by suspending chromium sesquioxide particles in water and adding an aqueous solution of a titanyl, aluminium or cobaltous salt and an aqueous solution of an alkali, the cations of which form a soluble salt with the anion of the titanyl, aluminium or cobaltous salt, until the titanium, aluminium or cobalt is precipitated in the hydrated oxide. The suspension is then filtered, the insoluble matter is washed with water until it is virtually free from soluble salts and the product is dried at low temperature.  The coated particles are then calcined. Specification 928,170 is referred to.
Patent GB-396787-A (GB)
Title: Improvements in absorption refrigerating apparatus
IPC: F25B17/00
Filed: 1932-02-03
Abstract: 396,787. Refrigerating. ELFVING, T. M., 82, Nordenskjoldsgatan, Stockholm. Feb. 3, 1932, No. 3209. Convention date, Feb. 7, 1931. [Class 29.] Absorption machines and systems.-In apparatus of the kind in which continuous cooling is obtained by the combination of two reversing machines working on opposite phases, the generator-absorber of each machine is cooled during absorption by the evaporation of condensate from the other machine. The apparatus may comprise generator-absorbers 1, 11, aircooled condensers 3, 13, condensate collectors 8, 18 and finned evaporator coils 9, 10 within which are disposed the ice trays 30. The generator-absorbers, which may be heated by gas burners 27, 28, comprise central heating tubes provided with cooling jackets connected by tubes 4, 14 to the condensers 3, 13 and having external conical rings for solid absorbent, e.g. calcium chloride, strontium chloride or silica gel. During the heating phase of the generatorabsorber 1, the evolved refrigerant vapour, e.g. ammonia, passes through the pipe 2 to the condenser 3 from which a part of the condensate flows through the pipe 4 to the jacket 5 of the generator-absorber 11, while the remainder passes through the outer tube 6 of the heatexchanger 6, 16 to the collector 8 and the evaporator coil 9. During this phase condensate previously collected in the coil 10 evaporates and returns through the condenser 13 and the pipe 12 to the absorption space of the generator-absorber 11, the heat of absorption being dissipated in evaporating the condensate in the jacket 5. The vapour passes through the pipe 4 to the condenser 3 and after condensation returns to the jacket. When the temperature of the generator-absorber 1 reaches a predetermined value, the thermostatic switch 32 cuts off the fuel supply to the burner 27 and permits supply to the burner 28. The condenser tubes of the two machines may be welded &c. to each other and to a common cooling water tube 59, Fig. 4, or provided with common air-cooling fins. The pipes 4, 14 between the cooling jackets of the generatorabsorbers and the corresponding condensers may also be provided with common cooling fins. Further, the generator-absorbers may be heated electrically. In a modification, cooling coils 38, Fig. 6, are substituted for the cooling jackets of the generator-absorbers. The Specification as open to inspection under Sect. 91 comprises an arrangement in which the cooling jackets are connected by a tubular element in which circulates a body of refrigerant independent of that used in the machines, said element having limbs cooled by condensate from the condensers. This subject-matter does not appear in the Specification as accepted.
Patent GB-989307-A (GB)
Title: Improvements in or relating to bottles for containing carbon dioxide
IPC: F17C7/00
Filed: 1963-01-25
Abstract: 989,307. Compressed gas cylinders. S.A.C.C.A.B. COSTRUZIONE COMMERCIO APPARECCHI BREVETTATI S.p.A. Jan. 25, 1963 [Nov. 12, 1962], No. 3247/63. Heading F4P. [Also in Division B8] A compressed gas cylinder discharge valve 7, Fig. 2, is held on a seat 6 formed by a body 2 screwed into the cylinder neck 3 by a spring 12 extending between the head 11 of the valve stem 10 and a shoulder 5 on member 2. The valve stem is screwed into a blind hole 9 of the valve 7 and a resilient washer is interposed between the seat 6 and member 7. Axial movement of the stem 10 to unseat valve 7 is effected by inward axial displacement of a cap 16, Fig. 1, at one end of a casing 13 in which the gas cylinder is mounted. The discharged gas traverses a hollow needle 20 and may serve to remove a cork (not shown).
Patent GB-686687-A (GB)
Title: Improvements in and relating to magnetic relays
IPC: H01H51/22
Filed: 1950-02-08
Abstract: 686,687. Electromagnetic switches. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 8, 1950 [Feb. 22, 1949], No. 3264/50. Class 38 (v) [Also in Group XXXV] An electromagnetic switch has shunts for diverting part of the flux produced by a permanent magnet or D.C. coil from the armature when A.C. or pulsating current fed coils on the shunts are unexcited, energisation of the latter setting up flux which saturates one shunt and assists the flux from the magnet flowing through the armature. As shown, when the A.C. coils are not energised both shunts 7, 8 divert some of the flux of magnet 1 from the armature 6. Flux produced in shunt 7 when its coil is energised from A.C. source 9 augments the magnet flux thus saturating this shunt while that in shunt 8 opposes the flow of magnet flux therethrough but augments that through the armature and ensures that it is unidirectional. Fig. 3 shows an alternative arrangement of the shunts and these may be interchanged in position with the magnet 1. Short circuited coils may be placed about the core members shown vertically, between the pole pieces 4 and the shunts and between the shunts and the magnet 1.
Patent GB-541521-A (GB)
Title: Improvements in or relating to control systems for capstan lathes and like machine tools
IPC: B23B3/18
Filed: 1940-02-21
Abstract: 541,521. Lathes. MURAD, W. H. Feb. 21, 1940, No. 3278. [Class 83 (iii)] A capstan lathe or other machine tool operating a bar stock fed through a rotary spindle is driven by a motor having " fast and " slow " running windings and controlled by electro-magnetically-operated switch gear controlled in turn by manuallyoperable contacts. The bed 3 carries a saddle 4 and turret assembly 5, the bar being fed by gravity-operated means. The spindle is driven from a motor 1 through belt gearing 11 and is controlled by relays R1 ... R4 mounted within a door 13. Start and stop buttons 15, 16, a switch 18 for the motor 7 driving the coolant pump, and a reversing switch lever 17 are mounted on a control panel 14. A mains switch is provided at 19 and the speed-changing switch 20 of the motor is controlled by plunger pedals 21, 22. The relays are connected as shown in Fig. 3. Two windings of the motor 10 giving different speeds are selectively energized by switches 30, 33 controlled by relays R3, R4 which are selectively energized by the pedal switch 20 while the reversing leads are selected by relays R1, R2 which are selectively energized by the reversing switch 17. In some cases the relay circuits may be fed from an independent source of supply. The relay units are preferably asembled in oil-filled containers The switch contacts 91, 92, Fig. 4, are operated from a handle 90 through a cam 95 to avoid damage. Or the cam may be operated from a linearly-moving member.
Patent GB-1071261-A (GB)
Title: Fluid filters
Inventor: STRIPP PETER WILLIAM
IPC: B01D35/30
Filed: 1963-01-28
Abstract: The filter casing comprises two interfitting parts forming a filter chamber, the parts having coaxial cylindrical telescopically interengaging surfaces, and one of them having a circumferentially-extending groove; a resilient sealing ring has one part accommodated within the groove and another part projecting from it, and is deformed when the parts are fitted together; the sealing ring, when undeformed and viewed in radial cross-section, is multisided, one side being inclined at an acute angle to the ring axis.  Preferably the filter includes a pressure relief or control valve comprising a body having a cylinder within it, the cylinder having a piston which can be pressed by a spring against an annular valve seat at one end of the cylinder, the piston also progressively uncovering a side port in the cylinder when it is forced off its seat by liquid pressure.  The sealing ring may have a parallelogram section, the groove being correspondingly shaped and wholly occupied by the relevant part of the ring.  Alternatively the ring may have a rectangular or trapezoidal section; in the first case the groove is so shaped that both radial and axial spaces are left for portions of the ring to be forced into on engagement of the casing parts; in the second case only an axial space is left.  In both cases almost all the groove is occupied by ring material on engagement of the casing parts.  Alternatively the ring may have a parallelogram section, and the groove a rectangular section, the triangular-section space left at the base of the groove being filled on inter-engagement. Alternatively the sealing ring may have a triangular or generally-quadrilateral section, one side of the groove being formed in these cases by a separate ring fitted after the sealing ring and held in place by swaging an edge of the casing part.  The rings may be cut from tubular material; this may have internal flutes so that the resulting rings have, in plan, a wave-form inner periphery.  The function of the pressure control valve described above is to permit excess oil to be returned to the engine sump without filtration, when the oil pressure in the system is greater than that arranged for by the design of the engine.  For this purpose the open end of the cylinder surrounded by the annular seat communicates with the filter inlet space, and the side port communicates with a passage leading back to the sump.  A normal by-pass relief valve between filter inlet and outlet may also be provided.
Patent GB-1368073-A (GB)
Title: Kiln cars
IPC: C09K15/18
Filed: 1971-01-28
Abstract: 1368073 Kiln cars GIBBONS BROS Ltd 20 Jan 1972 [28 Jan 1971] 3412/71 Heading F4B A kiln car superstructure comprises refractory tubes 23 loosely set in steel sockets 24 and extending through a lightweight insulating barrier 25 to support an upper deck comprising thinwalled rectangular refractory plates 20 located on caps 21. The plates 20 have bevelled corners defining when assembled opening receiving square spigots (22, Fig. 6) extending upwardly of the caps 21. The barrier 25 comprises metal plates 28 resting on or welded to the sockets 24 and superposed in turn by lightweight slab material 27d, e.g. calcium silicate, a particulate layer 27c of vermiculite, a layer 27a of fibrous aluminosilicate material and a top layer of tiles 26 or plate like material. The ends of the car are formed with interengaging profiled blocks 31 and 33 and buffer plates 35 and 36. The sockets 24 may be welded to cross-members of the car chassis.
Patent GB-554638-A (GB)
Title: Improvements in or relating to the manufacture of gloves
IPC: D04B1/28
Filed: 1942-03-16
Abstract: 554,638. Gloves. BALLS, J. March 16, 1942, No. 3436. [Class 141] Gloves are formed of four knitted or crocheted parts viz. a dorsal part, a palmar part and inside and outside thumb pieces, all four parts being edged by crocheting and the edged parts joined together the crocheted edges taking the place of the usual fourchettes.
Patent GB-1338070-A (GB)
Title: Apparatus for dispensing lengths of filamentary material
IPC: D01G23/00
Filed: 1972-01-24
Abstract: 1338070 Opening fibres JOHN LAING & SON Ltd 24 Jan 1972 [29 Jan 1971] 3455/71 Heading DIN [Also in Division E1] In an apparatus for dispensing lengths of filamentary material, particularly into air entrained concretes, the fibre is placed in a container 10 having an opening in its base containing a rotary ejection member 14 having resilient outwardly extending members which engage an abutment, e.g. the lower edge of wall 12, and flick the fibre material outwardly. The member 14 may be a brush formed of helically wound or disc like brush elements or may be a spindle with radial synthetic plastics members. The lower end of wall 12 may be an adjustable blade with, e.g. a straight or castellated edge. Fibres in the container 10 are opened and fed downwardly by a teasing roller 17 with radially extending steel rods 20 which interdigitate with fixed rods (21), Fig. 2 (not shown). The apparatus is driven by a motor 23 through drive chains and sprockets. Air jets may be introduced into the container to agitate the fibres therein.
Patent GB-987506-A (GB)
Title: Improvements in or relating to the treatment of films
IPC: G03D9/00
Filed: 1963-01-28
Abstract: 987,506. Treating continuous webs. W. ZINDLER, [trading as LUMOPRINT ZINDLER KOMM. GES]. Jan. 28, 1963 [Feb. 17, 1962], No. 3457/63. Heading D1L. [Also in Division G2] Two photographic films are treated by flowing the treatment substance between them in face-toface relationship, and then bringing the heated films into mutual contact so as to effect an image transfer. The process is carried out by the apparatus shown. The two film sheets are introduced through openings 2, 3, and pass to a coating unit 5. This is a hollow member having two curved walls which meet in a front edge 26 and a rear edge 27. The coating material is fed to unit 5 through a conduit 6 from a storage container 7. An opening 8 in the upper part of the container is closed by a movable member 9 mounted on a pivoted lever 10. The lever is loaded by a spring 16 so that normally member 9 closes opening 8, but the lever can be tilted to open it by the action of a linkage system 11, 12. This is actuated by the front edges of the sheets as, after insertion, they pass between guide plates 17, 18, 19. Actuation of the linkage 11, 12 and the lever 10 lifts plug 9 out of opening 8, and allows liquid to be dispensed to unit 5, whence it is distributed through a number of openings 25 in both the upper and lower walls to the two sheets passing one above and one below. At the same time, switch contacts 40, 41 are closed to complete a circuit energizing electrical heating elements 23 incorporated in unit 5. As the rear edge of the sheets pass away from the linkage system, the opening 8 is closed again and the heaters switched off. The sheets are then squeezed together between rollers 33, 34 and pass out of the apparatus through an outlet 4. Alternatively the plug 9 can be lifted out of opening 8 by electro-mechanical means, which may be operated by the sheets interrupting a beam of light falling on a photoelectric cell.
Patent GB-340834-A (GB)
Title: Improvements in or relating to sheet folding apparatus
IPC: B65H31/24
Filed: 1930-02-01
Abstract: 340,834. Delivery apparatus for folding-machines. SPIESS, G., 78, Zschocherschestrasse, Leipsic, Germany. Feb. 1, 1930, No. 3507. Convention date, Feb. 2, 1929. Addition to 339,139 [Class 100 (i), Feeding and delivering webs &c.]. [Class 100 (i).] In the apparatus described in the parent Specification wherein folded sheets may be delivered either longitudinally or transversely of the direction in which they leave the folding-machine, the drive of the transverse delivery mechanism is modified so that it can be disconnected when the longitudinal delivery is being used. The shaft 41, Fig. 1, carrying one of the rollers of the transverse delivery conveyer 9 is driven from a pinion 31 on one of the folding-rollers through intermediate toothed gearing 34 .. 36 and bevel gearing 40. The gear 36 is fixed to a sleeve 38, Fig. 3, which is slidable on its shaft 39 and can be held with the gear 36 disengaged from the gear 35 by means of a spring- catch when the longitudinal delivery is being used. A collar 37 on the sleeve 38 serves for operating the sleeve by hand.