baber/WOPTO huggingface dataset:
Patent GB-711165-A (GB)
Title: Improvements relating to cooking stoves
Inventor: WHITEMAN IVAN
IPC: F24C15/32
Filed: 1951-11-21
Abstract: 711,165. Kitchen ranges. GLOW-WORM BOILERS, Ltd. Nov. 20, 1952 [Nov. 21, 1951], No. 27273/51. Class 126 In a cooking stove, fresh cool air is drawn into a hollow fire box cheek adjacent the oven, heated in the cheek and delivered to a passage extending under the oven and up the far side. The side of the firebox a of a kitchen range adjacent the oven b is provided with a hollow cheek g. Air from the ashpit i is drawn into the cheek g through a nozzle h and takes a circuitous path round a baffle j in the hollow cheek to a passage m extending diagonally across the bottom of the oven, through a vertical passage p to a flue space r beneath the hot plate and thence to the chimney. A hot chamber y may be provided below the passage m, and an additional plate, which may serve as a shelf support, may be provided on the inside wall of the oven adjacent the firebox. The cheek g may have internal ribs or fins to assist in heating the air, and a back boiler may be provided. A second hollow cheek and oven may be provided at the other side of the firebox.
Patent GB-1056905-A (GB)
Title: Fuel rod structure
IPC: G21C3/32
Filed: 1965-06-28
Abstract: 1,056,905. Fuel elements. ATOMIC ENERGY OF CANADA. June 28, 1965 [Aug. 28, 1964], No. 27286/65. Heading G6C. The fuel rods of a cluster-type fuel element are spaced from one another by means of warts affixed to the cladding of the rods, the warts on any one rod being in sliding contact with warts on the adjacent rods. The warts may be cylindrically faced and convex outwards for line contact, or flat-faced for surface contact. In one arrangement, the warts extend longitudinally of the rods and are chamfered at longitudinally separated ends for allowing sliding and mounting movement of one wart over an adjacent wart when the rods are being assembled. The cluster is housed within an outer shell of rectangular cross-section and the warts are separated by 90 degrees from one another around each rod. Wear pads may be placed on the outer surface of the shell. The warts may be of unequal thickness so as to allow for different clearances between the rods and the shell from one wall of the shell to another. In an alternative arrangement, the rods are disposed in concentric rings and each rod in the outer ring carries two wear pads which project beyond the surface of the cluster to contact the inner surface of a channel in the reactor core into which the cluster is to be inserted.
Patent GB-421675-A (GB)
Title: Improvements in emergency tires for vehicles
IPC: B60B11/10
Filed: 1933-10-04
Abstract: 421,675. Wheel tyres. GERBENHECHT HOLDING CORPORATION, 1101, Oak Point Avenue, New York, U.S.A. Oct. 4, 1933, No. 27311. Convention date, Oct. 20, 1932. [Class 144 (ii)] An emergency solid rubber tyre 10 fitted at the side of a defective pneumatic tyre 6 is mounted on the rim flange 5a so that the centre-line of the emergency tyre is in direct radial alignment with the rim flange. In the construction shown, the tyre is in two parts with rim-sections 9 connected by spokes 8 to channelled attachment-sections 7. The ends of the sections are adjustably connected by turnbuckle devices 11, 12.
Patent GB-714668-A (GB)
Title: Improvements in or relating to a replaceable filter element
IPC: B01D29/11
Filed: 1952-10-31
Abstract: 714,668. Filtering liquids. PUROLATOR PRODUCTS, Inc. Oct. 31, 1952 [Nov. 16, 1950], No. 27401/52. Class 46. [Also in Group XXVIII] In a replaceable filter element 20, Fig. 1, comprising a tubular pleated body 27 of resin impregnated filter paper having its pleats extending radially of its axis and its opposite ends adhesively secured to discs 28, 29, having rims 28a, 29a fitting over the outer folds of the pleats, one of the end discs, say disc 29, is adjacent guide means 23 and has a central opening with a bent-over rim 31 acting as a sealing ring against an axial flow tube 11 which also serves as a centring guide. The filter body 27 surrounds a perforated tube 21 to which is secured the guide 23 having spring tongues 26, Fig. 3, integral therewith and is surrounded by a perforated wrapper 36 underlying the rims 28a, 29a. The element is resiliently mounted within a casing 10 having an inlet 12, an outlet 13, a drain 14 and a detachable cover 16. Specification 689,661 is referred to.
Patent GB-628128-A (GB)
Title: Improvements in or relating to hydraulic control means for tractor-connected implements
IPC: A01D41/04
Filed: 1946-09-12
Abstract: 628,128. Agricultural implements. INTERNATIONAL HARVESTER CO. OF GREAT BRITAIN, Ltd. (International Harvester Co.). Sept. 12, 1946, No. 27416. [Classes 6(i) and 6(iii)] [Also in Group XXIX] Hydraulic control gear for operating an implement connected to a tractor comprises a piston and cylinder device on the tractor connected by a flexible conduit to a similar device, on the implement, the piston and cylinder devices being readily detachable without breaking liquid - carrying conduits. A cylinder 120 is pivotally connected to a bracket 118 on a tractor and contains a piston 121, the rod 122 of which is connected to an arm 92 of a power-operating device. The cylinder 120 is connected by a flexible conduit 126 to a cylinder 127 pivotally connected to a bracket 148 on a harvester thresher and which contains a piston 149, the rod 150 of which is connected at 151 to the controlled harvester part 136. A second piston and cylinder device operated from a second power-operating device controls a reel 141. Operation of the parts 136, 141 in one direction is by hydraulic power and in the other by gravity. In a modified construction double-acting piston and cylinder devices are employed and actuation of the implement is by hydraulic power in both directions. In a further modification a single-acting device may be spring returned. The power-operating devices are controlled by levers 114. Each poweroperating device comprises a cylinder 84 supplied with hydraulic fluid through a pipe 93 from a pump. The arm 92 is pivoted on a shaft 90 and connected to the piston rod 87 and to a valve-actuating follower member 109 having two parallel slots 107 connected together by a diagonal slot. A follower 104 slidable on a rod 103 normally engages in the diagonal slot but is moved by means of links 112, 113 and the lever 114 into a slot 107 and operates the inlet and exhaust valves of the cylinder 84 through a rocker arm 99. The piston carries with it the member 109. and the follower 104 returns to its neutral position in the diagonal slot at the end of the desired stroke. Applications of the device to two types of ploughs are described.
Patent GB-687605-A (GB)
Title: Improvements in or relating to illuminated signs for advertising and like purposes
IPC: G09F13/04
Filed: 1950-11-10
Abstract: 687,605. Sigrts. TUTTON. G. O. Nov. S, 1951 [Nov. 10, 1950], No. 27544/50. Class 3 (ii) An illuminated sign comprises a casing having a display aperture 10 on one side and a slot through which a display panel 22 can be inserted by sliding movement in its own plane to occupy a position behind the display aperture and a closure plate 19 covering an opening in another side of the casing and which carries illuminating means for the sign and guides 21 with which the display panel engages when it is inserted in the casing. In one construction the slot for the panel 22 is provided on the top 12 of the casing. The panel 22 consists of a transparent front sheet 23 which bears the advertising matter and a back sheet 23 of hammered or other irregular surfaced glass. A channel-shaped rim 25 is fixed along the top edge of the panel and a strip 26 is secured to this rim to prevent escape of light. This panel is forced against an inturned rim 15 around the display aperture 10 by the guides 21. which are channel shaped and which are carried on brackets 20 on the rim on the closure plate 19 for the back of the casing. The guides 21 are normally aligned with the ends of the slot and secure the ends of the panel. When the closure plate 19 is fixed to the casing by bolts 27, the guides force the panel against the rim of the aperture 10. In a modification, the slot as provided in an inclined end 14 of the casing. Specification 666,387 is referred to.
Patent GB-1243419-A (GB)
Title: Improvements relating to protective units for plants
Inventor: CROOM-JOHNSON DOUGLAS CRAIG
IPC: A01G13/04
Filed: 1969-05-30
Abstract: 1,243,419. Cloches. MARMAX HORTICULTURAL Ltd. 18 Aug., 1970 [30 May, 1969], No. 27651/69. Heading A1E. A cloche similar to that described in Specification 991,580 having a top surface of translucent or transparent plastics perforated by circular holes of between 3/16 and “ inch diameter or holes of equivalent area distributed to allow rainwater to penetrate and form an even distribution of moisture on the underside of the top surface. The cloches may consist of flat or corrugated plastics sheets bent to fit into generally semi-circular wire frame having inner and outer arches joined at each end and with wire extensions at the ends for fixing the frames to the ground.
Patent GB-821427-A (GB)
Title: Improvements relating to belting
IPC: B29D29/00
Filed: 1955-09-29
Abstract: 821,427. Laminated belting. GREENGATE & IRWELL RUBBER CO. Ltd., and MARSHALL, D. D. Oct. 1, 1956 [Sept. 29, 1955], No. 27681/55. Class 140. A belt such as a power transmission belt, a conveyer belt or an elevator belt is formed from one or more layers of natural rubber, synthetic rubber or other synthetic thermoplastic material having rubber-like characteristics, e.g. plasticised P.V.C., or alternatively of a woven textile fabric, e.g. of cotton, rayon, or nylon impregnated with such a material, and one or more layers of a flexible polyamide reinforcing material in the form of a sheet or sheets, the two component parts being bonded together by a poly-isocyanate. The sheet is a flat material which has not been produced by the interlacing of yarn or thread but by roiling, calendering, extruding, moulding or an analogous process. The flexible polyamide layer, which may be perforated, may form one surface of the belt, and a layer of vulcanized natural or artificial rubber or of polyvinyl chloride the other. The surfaces to be bonded may be coated with a solution of the polyisocyanate in an aromatic hydrocarbon solvent (e.g. toluene) and the coating allowed to dry before assembly, and after assembly the whole subjected to a heat treatment under pressure. In a modification, a number of narrow strips of polyamide may be secured sideby-side to the rubber or like material or fabric impregnated therewith, the rubber or fabric being of the full width of the belt. Specification 736,997 is referred to.
Patent GB-891475-A (GB)
Title: Improvements in or relating to fluid pressure-operated clutches with metal to metal friction surfaces
IPC: F16D25/064
Filed: 1958-08-29
Abstract: 891,475. Friction clutches. HINDMARCH, T. July 24, 1959 [Aug. 29, 1958], No. 27844/58. Class 80 (2). In a friction clutch for marine, locomotive and industrial transmissions, wherein bronze inner members 1 splined on a shaft 11 are axially expanded by fluid pressure in a telescopic oil chamber 6 to frictionally engage on an axially fixed steel outer member 5 which may have gear teeth 12 as shown, the members 1, 5 respectively of higher and lower coefficients of thermal expansion have corresponding concentric rings of interengaging conical surfaces 3 respectively facing away and towards, or, as shown, 4 respectively facing towards and away from their common axis, the remaining non-engaging surfaces being separated by relieving surfaces 4 or, as shown, 3 on either one or both of the members 1, 5, and variation of contact area due to difference in thermal expansion between the members 1, 5 is minimized by increasing the cone angles of the interengaging surfaces with their distance from the said axis, allowance being made for variation in depth of engagement with temperature variation. Ideally, the tangents of the cone angles (i.e. the angles between the interengaging surfaces and the axis) are proportional to the radii of the surfaces, but the angles may be varied from this requirement, reliance then being placed on the flexure of the inner members 1, to achieve the desired contact at all temperatures. There is no wedging action and copious lubrication is maintained between engaging surfaces. The clutch is disengaged by pressurizing chambers 7. Specification 891,476 is referred to.
Patent GB-1413704-A (GB)
Title: A-c adjustable speed motor drive system
IPC: H02K/
Filed: 1973-06-12
Abstract: 1413704 Anti-hunting control for A.C. motors GENERAL ELECTRIC CO 12 June 1973 [13 June 1972] 27979/73 Heading H2J An A.C. adjustable speed motor drive system comprises an A.C. motor 10, preferably a reluctance synchronous motor, an A.C. power source 12 adjustable in frequency and voltage for supplying drive current to the motor, a control apparatus 16 including both frequency and voltage control means each responsive to an input signal generated by a reference source 20, and a stabilizing arrangement for damping motor speed variations comprising detector means 46-52 for generating a signal proportional to the current applied to the motor which is 12 phase with the output voltage of the A.C. power source 12, and a feedback means 22 coupled to the detector 46 and to one of the frequency or voltage control means in the unit 16 for supplying a stabilizing signal thereto. As shown, current transformers 48-52 supply a first input to means 46 which also receives a second input on line 47 indicative of the voltage output to the motor, and a signal on line 54 is produced which is indicative of the sum of the in-phase current components. This signal may be taken via low-pass filters to eliminate h.f. ripple and is then taken to means 22 comprising a capacitor and series resistance where the D.C. component is eliminated and only signal variations indicative of hunting are passed. These variations may be passed to either the voltage or frequency control portions of the system 16 and the apparatus is adapted that an increase in the feedback signal causes an inphase increase in the voltage output at 12, or a decrease in the frequency output at 12. The D.C. component alone of the feedback signal 54 may be derived at 26 and used as a compensation signal when fed to the voltage control within 16.
Patent GB-802399-A (GB)
Title: A combination pipe bending apparatus and auxiliary pivoted tube bender
IPC: B21D7/06
Filed: 1955-10-03
Abstract: 802,399. Angular bending. TAL BENDER, Inc. Oct. 3, 1955 [Oct. 19, 1954], No. 28026/55. Class 83 (4). Pipe or tube bending apparatus of the type in which a tube may be bent by a former reciprocated between spaced frame plates by a power unit attachable to the frame plates has accessory plates attachable to the frame plates to provide another mounting for the power unit so that a former pivotally mounted between the plates may be swung by the power unit about its pivot to bend a tube therearound. A tube bender in which a tube 14, Fig. 2, is bent by a former 13, reciprocated by an hydraulic ram 12 between spaced frame plates 17, 18 (not shown) against rollers on bell-cranks 21, 22, pivoted in the plates 17, 18, is convertible into a bender of the type in which a pipe 46, Fig. 1, is bent around a pivoted former 43 as follows. The bell-cranks 21, 22 are removed and a power unit 10 of the hydraulic ram 12 removed from a mounting block 15. Accessory plates 30, 31 are then placed over trunnions 37, 38 (not shown), on a collar 36, locked on the power unit 10 by a U-shaped wire 40. Studs 32 on the plates 30, 31 are inserted in holes 35 in the frame plates 17, 18 and brackets 34 on the plates 30, 31 abut the edges of the plates 17, 18. A former 43 is positioned between the plates 17, 18 and a pivot pin 41 inserted therethrough. A former bar roller 44 is positioned between the plates 17, 18 on a pin 42. A tube 46 to be bent is clamped to the former 43 at 47 and a former bar 57 is positioned between the roller 44 and the former 43 to embrace the tube 46. A pin 55 connects an adapter 56 on the ram 12 with the former 43. Specification 642,045 is referred to.
Patent GB-1070697-A (GB)
Title: Improvements in rotary-piston internal-combustion engines
IPC: F02B55/14
Filed: 1964-07-07
Abstract: 1,070,697. Rotary-piston I.C. engines. REGIE NATIONALE DES USINES RENAULT. July 7, 1964 [Aug. 14, 1963], No. 28034/64. Heading F1F. In a rotary-piston I.C. engine of the type comprising a piston (2), Fig. 1 (not shown), having n lobes of epicycloidal profile and arranged to rotate in a planetary manner within a casing or stator (1) having n + 1 lobes whose profiles match those of the lobes on the piston, each lobe in the casing contains a combustion chamber (8) having inlet and outlet parts controlled by valves (3, 4) and a pair of channels (9, 10) are formed in the inner peripheral surface of the casing externally of said chamber and tangentially thereto to effect turbulent flow of the combustible mixture within said chamber when the piston is in a top-dead-centre position relative thereto. The channels may be of arcuate configuration, Fig. 2 (not shown), and the combustion chamber may be of circular or oblongo-circular shape. Alternatively, two pairs of arcuate channels (9<SP>1</SP>, 9<SP>2</SP>, 10<SP>1</SP>, 10<SP>2</SP>), Figs.3 and 4 (not shown), may be provided in each lobe on either side of the combustion chamber. The combustion chamber in each lobe may be constituted by a pair of circular cavities (8<SP>1</SP>, 8<SP>2</SP>), Figs. 5 and 6 (not shown), which are coaxial with the inlet and outlet ports, a single rectilinear channel (9 or 10) being provided in said surface for each cavity. The turbulent flow of combustible mixture may be improved by rendering the induction pipe (12), Fig. 8 (not shown), arcuate in the region of the inlet port.
Patent GB-519645-A (GB)
Title: Improvements in or relating to plunger pumps
IPC: F02M59/00
Filed: 1938-09-26
Abstract: 519,645. Fuel injection &c. pumps. HANDELS AKTIEBOLAGET VIDAR. Sept. 26, 1938, No. 28043. Convention date, Sept. 28, 1937. [Class 102 (i)] A pump, particularly for use as a fuel injection pump, comprises a cylinder 2 having several ports 10aa ... 10dd connected by separate passages, such as 10a, to delivery valves, such as 13a, so that the pump supplies several points. A similar number of by-pass ports 20a ... 20d are also provided in the pump cylinder and are connected to a common relief port 30. The piston has an annular groove 19a co-operating with the ports l0aa ... 10dd, and another annular groove 19b, having a projection 33 provided with an inclined surface 33c, co-operating with the by-pass ports 20a ... 20d. The grooves 19a, 19b are connected to the pump chamber 23 by ports 21a, 21b and radial ports 22a, 22b. Liquid is drawn through the suction valve 9 and on the upward stroke of the piston the groove 19b uncovers the port 20a and the groove 19a then uncovers the port 10aa. By-pass takes place until the edge 33a covers the port 20a and delivery continues until the edge 33b uncovers the port 20a. The piston then co-operates with the next pair of ports 10bb and 20b and so on. The amount of delivery to each point is adjusted by rotating the piston by rack 31 to bring the edge 33c into operation instead of the edge 33a. The cam 5, operating the piston, may be shaped to give alternate piston movements and rests with uniform acceleration and retardation. Pressure may be built up in the by - pass passage 30 by arranging therein a fixed or adjustable throttle or a loaded valve. Various arrangements of delivery and by-pass ports are described and Fig. 13 shows one arrangement wherein the delivery ports (10bb, 10cc are shown) are arranged around the cylinder and are on the same level as the co-operating by-pass port 20a ... 20d, and the piston has one groove 19 shaped similarly to the groove 19b described above, and co-operating with each pair of delivery and by-pass ports. The Specification as open to inspection under Sect. 91 comprises also modifications in which (i) there is simultaneous delivery from two or more outlets, (ii) the projection 33 has an inclined surface which is the reverse of that shown at 33c, and (iii) the overflow ports and recesses are differently arranged so as to obtain constant or variable pre-compression. This subject-matter does not appear in the Specification as accepted.
Patent GB-1132812-A (GB)
Title: Curling stone handle assemblies
Inventor: SPENCER HUGH
IPC: A63B67/14
Filed: 1967-06-19
Abstract: 1,132,812. Handles for curling stones. AILSA CRAIG CURLING STONES Ltd. 19 June, 1967, No. 28079/67. Heading A6D. A curling stone handle assembly comprises an approximately circular base plate A, to which the stone is attached at 39, and a handle E formed integrally therewith 'by means including an outwardly and downwardly inclined flange 11, the diameter of the base plate being at least equal to the length of the handle. The assembly may be made of plastic material which may be of different colours for different players or may carry identification discs, as at 45.
Patent GB-429083-A (GB)
Title: Safety lock
IPC: E05B21/00
Filed: 1934-10-02
Abstract: 429,083. Key locks. WAGNER, P. H., 221, Caledon Road, East Ham, London.- (Haag, W., and Wagner W. ; 4, Nagoldstrasse, Pforzheim, Baden, Germany) Oct. 2, 1934, No. 28142. [Class 44] The tumblers of a lock are all of the same shape and symmetric on the edges engaged by the key. They are arranged on pins q, r, at each side of the key and, as shown, four dispositions are possible. The bolt (not shown) carries pins h, i, k, l, m, n and normally the tumblers 1, 3 lock the bolt by engaging the pins i, k and l, m respectively, but are swung out of such engagement by the key operation. The tumblers 2, 4 on operation lock the bolt by engaging the pins n, h respectively, but they are operated only by an incorrect key, the correct key being warded so as not to operate them.
Patent GB-1125498-A (GB)
Title: Cutting machine for mowing grass or the like on a slope or berm
IPC: A01D34/86
Filed: 1967-06-19
Abstract: 1,125,498. Mowing machines; hedge cutters. R. L. VAN DEN BERG and A. BOER. 19 June, 1967 [5 July, 1966], No. 28160/67. Headings AlE and A1F. A mowing machine for use on a slope or ditch comprises a frame 3 on which a beam 5 is supported so as to be pivotable about a substantially horizontal axis 6, the beam 5 carrying a number of cutter elements 9 and supporting at its free end one or more substantially horizontal shafts 11 each carrying beating or cutting bars 12. Cutting blades 27 may be located between the beating bars 12 and directed obliquely with respect to the plane of the support disc, and the ends of the bars 12 may be paddle-shaped for removing sludge at the bottom of a ditch. The shafts 11 are driven from the tractor power take-off shaft by belt and pulley drive 14, 21. The shafts 8 of the cutter elements 9 are staggered on each side of the beam 5 and are driven by belts 14, 19. A hydraulic cylinder 23 is provided for raising the beam 5. The beam 5 may be slidable on the frame 3 in a transverse direction. The machine may be used as a hedge trimmer in its vertical raised position.