baber/WOPTO huggingface dataset:
Patent GB-1470345-A (GB)
Title: Microwave oven
IPC: H05B6/80
Filed: 1974-06-13
Abstract: 1470345 Microwave oven MOSKOV INST NAROD KHOZYAISTVA IM G V PLEK HANOVA 13 June 1974 26195/74 Heading H5H A microwave oven for cooking or processing canned foods in which the food products 16 are continuously conveyed therethrough, comprises a housing 1 provided with a stepped roof 2 in the lower part of which is a combined loading and unloading opening 5, a rotor comprising a conductive shaft 7 carrying a conducting disc 8 mounted in the housing 1, the rotor disc 8 being provided with a pair of upstanding cylindrical conductive walls 9, 10 between which is defined an annular trough which is subdivided into segments by equispaced radially extending vertical conductive partitions 12, dielectric trays 15 in the segments to support the products 16, and a microwave generator 24 coupled to the oven through a microwave coupler 23, the arrangement being such that those partitions 12 beneath the higher part of roof 2 are spaced from roof 2 so that a working chamber is defined between the higher part of the roof 2, the disc 8 upstanding walls 9, 10 and partitions 12, whereas those partitions 12 beneath the lower part of the stepped roof 2 make electrical contact therewith thereby preventing microwave leakage from the working chamber. Annular walls 3, 4 depending from roof 2 co-operate with 10, 11 and wall 9 of the disc 8 to provide quarter wavelength chokes which prevent microwave leakage into a base 26 of the housing which contains a motor 20 and reduction gearing 19 for the rotor and a transformer 28 and rectifier 29 for the microwave generator. A ventilator 25 is provided for the working chamber in the coupler 23.
Patent GB-1180153-A (GB)
Title: Improvements in or relating to Tanker Cars
IPC: B61D5/06
Filed: 1968-05-31
Abstract: 1,180,153. Railway tankers. INTERCONSULT A.B. 31 May, 1968 [5 June, 1967], No. 26214/68. Heading B7L. A railway tanker comprises a tank having cylindrical end portions 6 supported on wheel units 4 and a centre cylindrical portion 7 of larger diameter, said cylinders forming a horizontal top surface and being connected by transition portions 8 of a part spherical shape each having a centre of curvature coinciding with the centre of the adjacent end cross-section of portion 7. The portions 6 are closed by domes 9 and the tank is insulated by a layer 21. At the points between the tank portions reinforcing ribs 11 and 14 are provided internally and externally using intermediate solo plates 12, 15, 16 and 10. Two plates 14 at each end of the tank are enlarged to form side plates 2 by which the tank is supported on undercarriage 3 associated with the wheel units 4. The end portions 6 extend into the transition portions at 13 and further reinforcing plates 17 are added forming a triangular cross-sectional structure. Cross bracing is provided internally of the portions 6 above the centres of the wheel units.
Patent GB-761988-A (GB)
Title: Improvements in dovetail joints
IPC: F16B12/40
Filed: 1953-09-23
Abstract: 761,988. Joints. WHITFIELD & CO., Ltd., S. B., and WHITFIELD, C. G. Sept. 13, 1954 [Sept 23, 1953], No. 26250/53. Class 52 (2). The parts of a dovetail joint for bedsteads &c. are held in engagement by a sliding bolt 4 moving between guide ribs 8 and retained by a screw 6 which passes through a longitudinal slot in the bolt and which can be tightened to clamp the bolt in its operative position. Specification 464,146 is referred to.
Patent GB-1466296-A (GB)
Title: Dual brake valves
IPC: B60T15/04
Filed: 1974-06-13
Abstract: 1466296 Brake valves CLAYTON DEWANDRE CO Ltd 22 May 1975 [13 June 1974] 26285/74 Heading F2F In a dual brake valve for a fluid pressureoperated vehicle braking system embodying two independent braking circuits and comprising a housing 1 with two sets of air inlet and outlet ports 11, 14 and 13, 15 and two coaxial valve assemblies which are operative when actuated to seal off the delivery ports 13, 15 from exhaust and connect them to the related inlet ports 11, 14 the valve assemblies each comprise a poppettype valve element 6, 16 coacting with an annular seat 5, 17 and subjected to delivery pressure on its head, delivery pressure also being applied to an oppositely-directed face of the valve element to balance the pressure acting on the head. A coaxially disposed tubular structure 20 between the valve assemblies has its ends constituting annular exhaust valve elements 21 which coact with elements 6, 16 on a smaller diameter than do the seats 5, 17 and attached to the structure at its mid point is an annular diaphragm assembly consisting of two diaphragms 23, 23a spaced by a flange 24 in the structure 20 and secured at their peripheries to the housing the space between the diaphragms being vented through a passage 25 in the flange 24. Normally the heads of elements 6, 16 engage seats 5, 17 but are spaced from elements 21 to seal off ports 11, 14. Depression of the pedal displaces a combined piston and seating structure 4, 8 taking with it element 6 which is spring loaded on to seat 5, the element 6 then displacing the tubular exhaust structure into engagement with element 16, the exhaust passage being shut off from both delivery ports and the elements 6, 16 then being moved off the seats 5, 17 to allow air under pressure to be conducted to the brakes. Each valve element has at the end remote from its head a small annular piston 29 having sealing sliding engagement with the seating structure and in the wall of the latter passages 30, 30a connect the related delivery port to the space 31, 31a behind the piston to balance pressures on the valve elements.
Patent GB-639423-A (GB)
Title: Improved apparatus for holding stands of pipe in derricks
IPC: E21B19/14
Filed: 1947-09-29
Abstract: 639,423. Storing drill rods. STANDARD OIL DEVELOPMENT CO. Sent. 29 1947 No. 26317. Convention date, Jan. 9. [Class 85] In a well derrick A the means for racking stands of pipe comprise a fingerboard D which consists of a girder secured to the derrick, the girder having projecting from it at right angles a plurality of posts 12 so defining a number of apertures into each of which is placed a stand of pipe whilst above the finger-board D are a number of racking fingers E, each having a plurality of aperture-defining posts. The fingers E are each pivotally secured at one end to the derrick so that they can easily be turned down from a vertical storage position to a horizontal position parallel with the fingerboard D so that each finger may receive a separate row of stands of pipe. Pivotally secured to each post is a spring-biassed member 14 which comes into contact with the stand as it enters the aperture, and which positively locks the stand in the aperture as a further stand g<SP>1</SP> enters an adjacent aperture. The last member is secured by a pin to hold its stand within the aperture. In a modified form, a portion of each of the members 14 passes through a slot in the beam supporting the posts and can be locked there by a spring catch secured on a rod capable of being slid to and fro within the beam since one end of the rod is threaded and is engaged by a rotating nut mounted at one end of the beam.
Patent GB-1318931-A (GB)
Title: Electric switches
IPC: H01C10/38
Filed: 1970-06-01
Abstract: 1318931 Variable resistors ; retractive switches MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 1 June 1970 [30 May 1969 22 July 1969] 26319/70 Headings H1N and HIS A variable resistor, combined with a switch, has switch-actuating means 49, 48, Fig. 1, integral with the rider 23. The wedge ends of the actuators compress the long resilient arms of the J-shaped members 42, 43 and respectively break the electrical connection between each member and its fixed contact 46, 47 (Figs. 3, 4, not shown). In Fig. 7 the two members are connected to form a U-shaped connection between fixed contacts 46 and 47 and the ends of these arms are provided with transverse ridges which engage in detents in the actuator 70, 71 to retain the rider in the 'switched' position. The U-shaped member is loosely retained between 22 and 23 to allow a small amount of longitudinal movement. An alternative arrangement (Fig. 5, not shown) has contact arms arranged to be disengaged in an outward direction and the longitudinal play may be provided by the actuator being loosely separately mounted within a recess in the rider (Fig. 10, not shown). The actuator is retained in the recess by the surrounding rider walls and a protrusion from the rider spring which engages the top of the actuator.
Patent GB-964064-A (GB)
Title: Process for the production of shaped metal/ceramic articles
IPC: C04B35/76
Filed: 1962-07-10
Abstract: A sintered cermet is produced by subjecting metal wood to a metal diffusion treatment such as chromizing, annealing to homogenize the structure, impregnating with a ceramic, such as an oxide, a silicate or an oxide and/or silicate with a metal or metal carbide and finally sintering the structure. The metal fibres such as steel wool should have a maximum thickness of 0.6 mm. and the length may be 5-50 mm. The steel fibres may either be packed loosely in a mould or compacted and stratified prior to chromizing in granular chromium and gaseous HCl at 1100 DEG  C.  In a further method the steel fibres are compacted and sintered at 1350 DEG  C. in hydrogen prior to chromizing. The chromized fibres are annealed at 1300 DEG  C. and in the case of the individual fibres they are mixed with a ceramic, e.g. 95% Al2O3/5% kaolin, compacted and sintered in vacuo at 1550 DEG  C. With the precompacted and sintered fibrous body impregnation is effected by dipping into the ceramic slip followed by sintering.  A compacting step may be added before the sintering.  In a further modification the impregnated body may be coated with a slip of a cermet, e.g. a carbide/ceramic suspension prior to sintering at 1700 DEG  C. in vacuo.  The preferred composition of the sintered cermet consists of Al2O3 : steel in a volume ratio of 1 : 1.ALSO:A sintered cermet is produced by subjecting metal wool to a metal diffusion treatment such as chromizing, annealing to homogenize the structure, impregnating with a ceramic, such as an oxide, a silicate or an oxide and/or silicate with a metal or metal carbide and finally sintering the structure.  The metal fibres such as steel wool should have a maximum thickness of 0.6 mm. and the length may be 5-50 mm.  The steel fibres may either be packed loosely in a mould or compacted and stratified prior to chromizing in granular chromium and gaseous HCl at 1100  DEG C.  In a further method the steel fibres are compacted and sintered at 1350  DEG C. in hydrogen prior to chromizing.  The chromized fibres are annealed at 1300  DEG C. and in the case of the individual fibres they are mixed with a ceramic, e.g. 95% Al2O3/5% kaolin, compacted and sintered in vacuo at 1550  DEG C.  With the precompacted and sintered fibrous body impregnation is effected by dipping into the ceramic slip followed by sintering.  A compacting step may be added before the sintering.  In a further modification the impregnated body may be coated with a slip of a cermet, e.g. a carbide/ceramic suspension, prior to sintering at 1700  DEG C. in vacuo.  The preferred composition of the sintered cermet consists of Al2O3:steel in a volume ratio of 1 : 1.
Patent GB-1093761-A (GB)
Title: Improvements in or relating to central heating systems
Inventor: KETTLING ROBERT
IPC: F24D3/08
Filed: 1965-06-22
Abstract: 1,093,761. Hot-water supply systems; heating buildings. RADIATION Ltd. July 5, 1966 [June 22, 1965], No. 26402/65. Heading F4A. A combined central heating and hot-water supply system comprises a boiler 1 and a valve 3 for connecting the boiler to either the central heating system 6 or a calorifier 8 which heats water flowing in a secondary path 9, 11, a flow responsive device 10 in the secondary path being so connected with valve 3 that when water flows through the secondary path the valve connects the boiler to the calorifier. Both the boiler and calorifier have a small water capacity and large heat exchange surfaces so as to function as instantaneous heaters. The boiler may be gas, oil or solid-fuel fired.
Patent GB-919833-A (GB)
Title: Improvements in or relating to mechanisms for controlling display devices
IPC: G09F19/18
Filed: 1959-08-01
Abstract: 919,833. Ratchet gearing. MARPLESONS Ltd., and MARPLES, S. A. Nov. 1, 1960 [Aug. 1, 1959], No. 26465/59. Class 80 (3). [Also in Group XVIII] A slide holder 8 on a spindle 7 is mounted by brackets 4, 5, 6 behind a clock face 2 and is rotated by a reciprocating extensible arm 18 engaging holes 10 in the slide-holder, the arm 18 being driven from a crank-pin 17 on a disc 16 which is rotated by the clock motor 1 and is assisted in its rotation by a counterweight. A pin 20 with a conical end also engages one of the holes 10 and holds the slide holder against rotation until the tensile force in the arm 18 is increased to a point where the pin 20 is forced out of one hole 10 and drops into another. The pin 20 may be replaced by a two-armed rocking lever with one end riding on a cam surface on the disc 16 and the other arm engaging an aperture 10 (Fig. 3, not shown). Alternatively, a pin 26 on the spindle 7 may engage grooves 27 in a ring 28 mounted on the bracket 6. The crank-pin 17 on the disc 16 may be omitted (Fig. 6) and in this case the arm 18 is mounted in bearings 32 and driven forward by a spring 33 and urged back by a pin 29 on the disc 16 which engages a roller 35 on the arm 18, the rotation of the disc 16 also being assisted by a counter: weight 37. An optical projection system 11 is provided to project one slide at a time on to a screen (not shown).
Patent GB-845369-A (GB)
Title: Improvements in or relating to grids for supporting tower packing bodies
Inventor: GRISENTHWAITE ARTHUR TURNER
IPC: B01J19/30
Filed: 1957-08-23
Abstract: <PICT:0845369/III/1> A grid for supporting filling bodies in a tower comprises spaced parallel bars 1 (Fig. 3), the upper edges of each bar being serrated or notched with uniformly spaced teeth or notches and the bars arranged so that a crest of a serration in any bar faces a trough of a serration in an adjacent bar.  The bars may be serrated with rectangular, trapezoidal N triangular teeth and troughs or with an undulation.  The filling bodies may be the packing of a gas-liquid contact tower or be catalyst bodies and in use the distance between the bars is not greater than the smallest dimension of the filling bodies.  The distance between the centres of adjacent crests or troughs of the bars is preferably not greater than twice the smallest dimension of the packing bodies to be supported.
Patent GB-426205-A (GB)
Title: Improvements in and relating to photo-electric cells and the like
IPC: F23K3/16
Filed: 1933-09-27
Abstract: 426,205. Light - sensitive cells. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Allgemeine Elecktricitõts-Ges. ; 2, Friedrich Karl-Ufer, Berlin) Sept. 27, 1933, No. 26631. Convention date, Sept. 28, 1932. [Class 40 (iii)] [See also Group XXXVI] In a photo-electric cell having a semiconducting layer of a compound of a metal on a metallic base, for example, cuprous oxide on a copper base, a layer of a metallic oxide is incorporated between the semi-conducting layer and a metallic layer acting as the second electrode of the cell. When the cell is constituted by tungsten oxide on a tungsten base, the intermediate layer may be formed of an oxide of silver or of nickel. The intermediate oxide layer may be formed by sputtering in an oxygen atmosphere and the metallic layer forming the counter or second electrode may be similarly formed by a glow discharge in a non-oxidizing atmosphere. Specification 389,470, [Group XXXVI], is referred to.
Patent GB-521944-A (GB)
Title: Improved method of manufacturing thioesters
Filed: 1938-09-12
Abstract: 521,944. Thioesters. KARNBOLAGET AKTIEBOLAG. Sept. 12, 1938, No. 26631. Convention date, Sept. 20, 1937. [Class 2 (iii)] Thioesters are prepared by addition of a thiocarboxylic acid, i.e. an acid of the type R.COSH, to an unsaturated organic compound of the type R 1 CH=CHR 2  or to a mixture of such compounds, where R is a hydrocarbon radicle, and R 1 , R 2  are hydrogen, hydrocarbon radicles or carboxyl groups. In examples : (1) thioacetic acid is added to styrene and the product fractionally distilled to yield #-phenethyl-thioacetate; (2) thioacetic acid is added to an ether solution of maleic acid to yield acetyl-thiomalic acid ; (3) thioacetic acid is added to a hexane-hexene fraction obtained from Swedish shale benzine to yield, after purification, two isomeric hexylthioacetates. Petroleum cracking products are referred to as suitable unsaturated compounds.
Patent GB-1059398-A (GB)
IPC: B26B21/24
Filed: 1964-06-26
Abstract: 1,059,398. Safety razors. PHILIP MORRIS Inc. June 26, 1964 [July 16, 1963], No. 26655/64. Heading B4B. An injector razor comprises a member 16 having a blade platform 18, a back wall 21, a guard portion 19 and lugs 20 against which the blade is pressed in shaving position, the back wall having extending therefrom a stem portion 22 having an integral blade spring 26 which extends through a central opening in the back wall and has an offset finger 26a which fits into a notch at the back of the platform and engages the rear edge of a blade to urge it against the lugs 20, a pair of tabs 35, 36 struck from the back wall defining therewith a channel for receiving an injector key which engages the spring 26 to retract it and thereby free the blade for removal. The tab 36 has a lug extension 36a engageable by a projection on the injector key which is engageable by a further tab 37. A handle is secured to the rear of the member 16 and has a cap portion extending over the blade platform. A handle grip portion has a widened head portion to fit over the key retainer area of the member 16 and a stem portion to fit over the stem portion of the member, the grip portion having integral projections to engage holes 61, 63 in the member prior to securing it to the member.
Patent GB-915641-A (GB)
Title: A die-pressing machine
Inventor: D LEMOS RICHARD FRANK
IPC: B21D51/26
Filed: 1960-08-02
Abstract: 915,641. Making containers; stamping. BETTS & CO. Ltd. Nov. 2, 1961 [Aug. 2, 1960], No. 26664/60. Classes 83 (2) and 83 (4). A die-pressing machine comprises a support, conveyer means mounted on said support and adapted to convey open-ended container blanks sequentially in step-by-step manner with a dwell period between each step, a forming die and a forming ram mounted on said support, said forming ram being adapted during dwell periods on said conveyer means to drive the open end of a conveyed container towards said die and to form said open end, and a releasing ram adapted to drive the formed end of a container blank away from said die. The machine comprises a frame 1 provided with a recess 4 for receiving an endless parallel-slat conveyer 5 comprising chains 6 and sprockets 7 and 8 driven from a Geneva wheel 12 and operator 13. A double-acting hydraulic ram 17 is mounted on the frame 1 so that its axis is parallel with the axes of the containers on the conveyer. The ram is aligned with a rod 22 disposed in a bearing 23 and carrying a pair of spaced resilient pads 25 on a plate 24, the pads being adapted to bear against the closed end of two adjacent containers on the conveyer when located opposite to the adjustable forming dies 26, 27. Where the die forming can be performed in a single operation the dies 26, 27 are identical so that two blanks are formed in each operation of the machine. When two pressing operations are required, each die performs one of these operations, for example the die 26 forms the reduced diameter at the open end of the container and the die 27 forms the outwardly curled bead and drives it against the shoulder. Each die is associated with a pneumatically-operated releasing ram 30 which supports a resilient pad 32 dimensioned to pass through the die opening and into the formed container to separate the container from the die after the forming operation. The releasing rams are controlled by a valve 39 actuated by a cam plate 40 keyed to a driven shaft 41 which, by means of bevel pinions 44, 45, also drives the shaft 46 on which the Geneva operator 13 is keyed. A second cam plate 47 on the shaft 41 is engaged by a roller 49 mounted on a bellcrank lever 48 which operates a push-rod 50 controlling hydraulic valve 53 to advance the ram 17 towards the dies 26, 27 at a controlled speed. A control lever 60 is used to actuate an hydraulic valve 57 which operates the ram 17 slowly for setting up the machine. Each container blank, prior to its being presented to the dies, passes under a padded pressure plate 72 and is lightly held thereby against the slats 9 of the conveyer. Whilst a pair of container blanks are held by the plate 72, a pair of rams 61 each carrying a shaped boss 62 are driven rapidly downwards past the ends of the two adjacent container blanks to knock off any ragged ends attached to the trimmed ends of the containers. The rams 61 are controlled by a pneumatic valve 70 actuated by a cam plate 71 keyed to the shaft 41. Specification 915,642 is referred to.
Patent GB-389751-A (GB)
Title: Improvements in or relating to television systems
IPC: H04N3/38
Filed: 1932-09-27
Abstract: 389,751. Television. JACKSON, H., 5, Maple Grove, St. Helens, Lancashire. Sept. 27, 1932, No. 26778. [Class 40 (iii).] A plurality of pictures on an intermediate film record are transmitted simultaneously, each over an individual channel. Rollers PL1, PL2, Fig. 2, feed the film to the upper half of a rotating drum FCW so that each picture lies on a mask over the mouth of a compartment containing a photo-electric cell P1 .. P8, which rotates with the drum and is connected to an individual transmitting channel. The pictures are scanned bv the intersection of slots in independently rotating cylinders LSW, ESW. The film is illuminated through a ground-glass screen GS, and the inoperative cells P5 .. P8 are shielded by an opaque screen S. In Fig. 6, four stationary photoelectric cells 52 are arranged one behind the other along the axis of the drum 51 and covering the operative arc. Light from each picture is directed to the appropriate cell by guides 57 .. 68 which rotate with the drum. The pictures are scanned by four spirals of apertures in a rotating cylinder 73, the operative spiral for each picture being selected by a diagonal slot in the rim of a stationary mask 75. The scanning cylinders may be of photographic film or the like with the aperture formed photographically.
Patent GB-433831-A (GB)
Title: Improvements in or relating to pit props
IPC: E21D15/28
Filed: 1934-09-18
Abstract: 433,831. Pit-props. TOUSSAINT, H., 23, Waldmannstrasse, Lankwitz, Berlin, and BOCHUMER EISENHUTTE HEINTZMANN & CO., GES., Bochum, both in Germany. Sept. 18, 1934, No. 26781. Convention date, Sept. 21, 1933. Addition to 401,330. [Class 20 (ii)] A pit-prop according to the parent Specification, is modified by interposing an auxiliary wedge 4 between the main wedge 3 and the inner member 2 of the prop, the auxiliary wedge having lugs 6, 7 to hold a frictional compression block 5 and having flanged projections 8 which engage in grooves 11 on the sides of the main wedge, thus allowing relative movement but preventing separation of the wedges. The main wedge is slotted at 10 to enable a bar to be inserted for withdrawing the wedge. After adjustment, downward movement of the auxiliary wedge is limited by the engagement of the lugs 8 with the upper portion of the sleeve 9 on the outer prop part 1.
Patent GB-960179-A (GB)
Title: A method of and means for repelling birds
IPC: A01M29/32
Filed: 1962-07-13
Abstract: Apparatus for deterring birds for perching or nesting on buildings comprises a series of members freely rotatably mounted on the building so that they rotate under the weight of a bird landing thereon.  The members may comprise short tubes or beads threaded on a wire, nylon line or rod secured to brackets which are attached to the building.