baber/WOPTO huggingface dataset:
Patent GB-467607-A (GB)
Title: Tempered glass and process for manufacturing the same
IPC: C03B27/04
Filed: 1935-12-21
Abstract: 467,607. Tempered glass. SOC. ANON. DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE ST.-GOBAIN, CHAUNY, & CIREY. Dec. 21, 1935, No. 35460. Convention date, Dec. 22, 1934. [Class 56] [Also in Groups X and XI] A sheet of tempered glass, particularly intended for use as the windscreen of a motor car, is so tempered that when broken it presents areas b, Fig. 1, of relatively large fragments surrounded by areas a of small fragments, so that the screen is transparent while the broken glass remains in its frame. The glass sheet may be heated uniformly and then cooled more rapidly in the areas a. For this purpose, the hot sheet c, Fig. 3 is introduced between two networks of blowing- tubes 1. Adjustable shields 4, arranged close to the glass sheet in the spaces between the blowing-tubes, prevent the adjacent glass from cooling too rapidly. Suction boxes may be arranged around the blowing-tubes in order to remove the heated air. The glass sheet may also be tempered by heating the zones a, b unequally and then cooling the sheet uniformly by known devices. The sheet is inserted between heaters each of which comprises electric heating-resistances 12, Fig. 6, secured in a frame 13 of refractory material. The resistances are arranged according to desired pattern of the areas a, and hollow watercooled screens 14 are arranged between the resistances to shield the adjacent glass from the radiated heat. In another method, the glass sheet is tempered uniformly and is then reheated in the areas a to reduce the degree of tempering.
Patent GB-1046886-A (GB)
Title: Extension handling device for mobile cranes
Inventor: BURNEY VALENTINE WILLIAM
IPC: B66C23/62
Filed: 1964-08-29
Abstract: 1,046,886. Mobile jib-cranes. BRITISH CRANE & EXCAVATOR CORPORATION Ltd. Aug. 24, 1965 [Aug. 29, 1964], No. 35478/64. Heading B8B. A mobile crane 10 with a luffing sectional jib 11 has an auxiliary boom 15 which is used to load and unload extension sections 12, 13 for the jib and is moved in a vertical plane by luffing the main jib 11. The boom 15 may be mounted on either side of the jib 10 and swings about vertical pivot-pins 20 supported on plates 17 by brackets 18.
Patent GB-760564-A (GB)
Title: Improved stator for grinding, pulverising and crushing mills
IPC: B02C18/14
Filed: 1954-12-08
Abstract: 760,564. Grinding &c. mills. UNIPULVER, Ltd., and CLARK, G. Nov. 30, 1955 [Dec. 8, 1954], No. 35521/54. Class 59 In a grinding &c. mill comprising a rotor 4 carrying a series of cutting or grinding blades 6 co-operable with a complementary series of blades 7 on a stator 5, the stator has one or more annular wear-resisting elements 9 bolted thereto. Annular elements 11 are recessed into the edges of the rotor periphery and bolted thereto. In modifications (Figs. 2 and 3, not shown), the annular elements are recessed into the stator.
Patent GB-173689-A (GB)
Title: Improvements in or relating to pit props and the like
IPC: E21D15/04
Filed: 1920-12-18
Abstract: 173,689. Thackeray, H. J., and Henton, L. Dec. 18, 1920. Mine props.-Mine props are formed with wooden ends and a cast one-piece metal connector b<3> having a central cylindrical portion with internal projections a<2> and coned end portions to receive the wooden terminals c. The central portion may be provided with opposed slots b<9> for the reception of a metal wedge to eject the wooden ends. and loose material may be placed . between the wooden ends and metal of the socket. Specifications 159,942 and 171,021 are referred to.
Patent GB-1014733-A (GB)
Title: Microwave phase shifter
Inventor: NOURSE OSWALD
IPC: H01P1/195
Filed: 1962-09-19
Abstract: 1,014,733. Waveguide ferrite phase shifters. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Sept. 17, 1963 [Sept. 19, 1962], No. 35651/62. Heading H1W. A microwave phase shifter for pulsed operation comprises a rectangular waveguide 11 containing an axial cylindrical dielectric rod 3 carrying an assembly of circular ferrite rings 2 and one or more non- magnetic metal strips 6 mounted along the rod and connected to external leads 5; the wider internal dimension of the waveguide is constricted, 13, in the region of the ferrite rings, to enhance the phase shift. The rings may be arranged in groups to give, as illustrated, a binary series, or to give a ternary series using de-magnetizing pulses of alternate sign and decreasing amplitude.
Patent GB-1447373-A (GB)
Title: Conveyor particularly for a machine producing a roofing tile or the like
IPC: B28B15/00
Filed: 1973-07-26
Abstract: 1447373 Conveyers POWEL INTERNATIONAL Ltd 24 May 1974 [26 July 1973] 35706/73 Heading B7L A conveyer for a tile making machine comprises a track 1 for pallets 2, a drive chain 3 having a linear (upper) driving run adjacent the track 1 for driving engagement of the pallets 2 in use by a respective head 16 of each pusher 4 which is pivotally mounted on the chain, each pusher 4 also having a follower 14 to engage a follower track 15 extending adjacent the chain's driving run at an angle thereto so that when the chain is driven at constant speed the heads 16 will move in the direction of travel of the run at a constant lower speed, and the angle of the follower track 15 being adjustable by pivoting about a chain sprocket 18 to thus vary spacing between heads of adjacent pushers in the driving run.
Patent GB-1475993-A (GB)
Title: Animal access door
IPC: E06B7/32
Filed: 1973-07-26
Abstract: 1475993 Auxiliary animal door C HARPER 25 April 1975 [26 Jan 1974] 35731/73 Heading E1J An animal access door has a door leaf 7 with a flexible strip 9 at the bottom and a lead counterweight 12 at the top, and is suspended by the pivots 10, 11. The pivot 11 is rigidly attached to a pulley wheel 13 connected by a band to a slider 14. The slider has a magnetic latch comprising a magnet 16 and a keeper 17 which is loosely and resiliently attached to the frame. The pulley slider and latch are housed in the vertical channel 6.
Patent GB-619338-A (GB)
Title: Improvements in and relating to parallel rules
IPC: G01B3/02
Filed: 1946-12-03
Abstract: 619,338. Parallel rulers; navigational plotting instruments. LUARD, W. B. Dec. 3, 1946, No. 35769. [Class 97 (iii)] In a parallel rule consisting of two rulers a, b, Fig. 1, interconnected by a pair of crossed rigid links c, d of equal length normally interpivoted scissors-like at their mid-lengths with their ends sliding along guides g extending longitudinally along the rulers a, b, further guides h are provided along either or each ruler a, b wherein a compass rose attachment, Fig. 6, can slide. The compass rose attachment comprises a slide-block i<1> having a handle i2 and a clamping screw i<3>, fast with a lower compass card disc n on which is concentrically and rotatably mounted a smaller card j. Compass card n has a segmental scale n2 showing magnetic variation and a scale n<3> showing compass error, i.e. both variation and deviation, which co-operate with a deviation scale j<1> on the upper card j. The cards may be transparent or may be appropriately slotted. The lower link d of the crossed links may be provided with holes on each side of its mid-length for the alternative pivoting of the other link. To prevent slip of the rulers, the underside of each rule is ribbed and its control knob provided with a spring-urged, pointed-end, depressible plunger.
Patent GB-155755-A (GB)
Title: Improvements in rotary cooling apparatuses serving to cool fatty substances, emulsions and the like
IPC: A23D9/02
Filed: 1920-12-21
Abstract: 155,755. Bigum, H. J. J. Dec. 22, 1919, [Convention date]. Cylinders, hollow. - Relates to rotary internally cooled drums upon which emulsions &c. are spread in films and removed by a scraper when solidified, the drums 1 being of the type provided with annular or longitudinal strengthening-ribs 2, 3. According to the invention, an inner cylindrical wall 6 is formed or provided with parts extending into the spaces formed by the ribs, so that the passage 14 for the cooling- medium is shallower than the ribs, whereby the transfer of heat is facilitated. The wall may be an integral drum with recesses, as shown in Figs. 1 and 2, or may be formed of separate parts of metal or wood, either solid or hollow, surrounding an inner drum, or the wall may consist of segments 6, Fig. 5, located between the ribs. At the inlet end a plate 19 closes the space between these segments and an inner separate drum 18, but at the discharge end the cooling-liquid has access to it. The inner drum 18 reduces the capacity of the main drum so that no large volume of liquid may accumulate in the interior due to leakage past the joints between the ribs and the parts 6. The annular ribs may be perforated, as shown at 21, to provide a direct passage along the drum. The invention may be applied to drums having helical or meandering ribs.
Patent GB-1109024-A (GB)
Title: Improvements in box signs
IPC: G09F13/04
Filed: 1966-08-11
Abstract: 1,109,024. Signs. H. BLOOM. 29 Dec., 1966 [11 Aug., 1966], No. 35938/66. Heading G5C. In a box sign internally illuminated or not and having a translucent front wall 8 each connecting wall 1 between the end walls, i.e. top and bottom walls in a rectangular box, has a plurality of projecting ribs 3 formed on its internal surface, the ribs extending longitudinally of the wall and being each formed with a lengthwise channel 3a which has a pair of parallel opposite faces_ longitudinally serrated to accept a screw at any position along the channel for the securing of internal fittings. The translucent wall 8 abuts the adjacent ribs of the connecting walls with or without a spacing strip and is secured in position by upper and lower clamping channel members 10 which each have one long leg 11 and one short leg 12, the long leg being attached by screws 4 or a dovetail arrangement (Fig. 4, not shown) to the associated 'connecting wall, and the short leg abutting the outer face of the wall 8. The end walls and connecting walls are of anodized or non-anodized aluminium alloy or of plastics material. The end walls may also be formed with projecting ribs, and the back wall may be translucent.
Patent GB-1532488-A (GB)
Title: Apparatus for printing fabric webs
IPC: B41F16/02
Filed: 1976-08-31
Abstract: 1532488 Transfer printing on to fabrics KLEINEWEFERS INDUSTRIE-COMPANIE GmbH 31 Aug 1976 [1 Sept 1975 17 Sept 1975] 35941/76 Heading B6C Apparatus in which a fabric web and a transfer web carrying sublimable dyestuffs are led around a cylinder, and pressed into contact by means of an endless conveyer belt while being heated is characterized by a vacuum compartment in the form of a cap being positioned tightly against the conveyer belt and exposed portions of the cylinder. In one embodiment, transfer web 32, fabric web 34 and a protective paper web 37 are entrained around cylinder 3 and pressed into contact by endless conveyer belt 30. The cylinder is heated by a plurality of rod heaters 6, and a vacuum is also applied to a portion of the external surface of the cylinder by vacuum cap 14, which is pressed against belt 30 and cylinder 7 by springs 18, suitable sealing strips being provided at the edges of the cap. The cap is designed to pivot away from the cylinder in the direction of arrow 15 when inoperative. In an alternative embodiment, Figs. 4 and 5 (not shown), the cap is above cylinder 3, its own weight helping to provide the contacting force; in a further embodiment, Figs. 6 and 7, the cap extends around 270 degrees of the cylinder periphery, and is effectively in the form of a cylinder with a longitudinally extending opening providing an inlet and outlet for the webs.
Patent GB-1213799-A (GB)
Title: Improvements in or relating to glass
IPC: C03C3/23
Filed: 1967-11-22
Abstract: 1,213,799. Phototropic glass. CARL ZEISSSTIFTUNG, [trading as JENAER GLASWERK SCHOTT & GEN.]. 22 Nov., 1967 [24 Dec., 1966], No. 36016/70. Divided out of 1,213,798. Heading ClM. A phototropic glass, of which the phototropic properties are determined by the presence of silver halide crystals and optionally metallic silver, contains (1) 14-2 to 45% B 2 O 3 ; (2) 29 to 73% lead oxide; (3) up to 15% alkaline earth metal oxide; (4) up to 8% alkali metal oxide; and (5) up to 23% ZrO 2  and/or Al 2 O 3  and/or ZnO, the balance, if any, consisting of one or more compatible constituents. The glass may also contain as stabilizer(s) up to 0.8% CuO and/or up to 0-05% Cr 2 O 3 , the percentages being by weight. The glass may be produced by a method disclosed in the parent Specification and one example is given.
Patent GB-498107-A (GB)
Title: Improvements in circuit arrangements for operating electric discharge devices
IPC: H05B41/232
Filed: 1937-12-30
Abstract: 498,107. Supply systems for discharge lamps. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. fiir Elektrische Gl³hlampen) Dec. 30, 1937, No. 36097. [Class 38 (iv)] [Also in Group XL] An electric discharge device, e.g. a lowpressure mercury-vapour lamp 1, having thermionic electrodes 2 heated independently of the discharge is shunted by a condenser 8 and connected to A.C. mains through a choke 6, the condenser circuit including in series the primary winding 9 of at least one transformer 4, the secondary of which supplies heating current to one of the electrodes 2. By this means the condenser 8 which is used for starting may be kept in circuit and be available for re-starting whilst the current in the condenser circuit during normal running is limited. Two transformers 4 may be provided, one for each electrode 2. The transformers may have a common core. The inductance 6 may be in two parts arranged in series at opposite ends of the tube 1 and the electrodes 2 may be indirectly heated..
Patent GB-1485391-A (GB)
Title: Gear forming
IPC: B21H5/00
Filed: 1974-08-21
Abstract: 1485391 Rolling gears SOUTHWESTERN INDUSTRIES Inc 21 Aug 1974 [31 Aug 1973] 36687/74 Heading B3M Teeth are cold rolled into the smooth surface of a workpiece gear blank by a rotatable profiled forming roll, the final forming pressure between gear and roll being increased progressively over several rotations of the blank. In one form of apparatus, a profiled roll 29, Fig. 1, is supported in the bifurcated ends 33 of a holder 31. The holder is connected by a spring beam 39 to a main support 28 which can be held in the cross slide of a lathe. When the holder is moved towards a workpiece gear blank rotated in the lathe, the initial contact causes the beam 39 to bend until stops 35 and 36 contact. This provides an initially soft contact between roll and blank, with the full rolling pressure only occurring after the stops have moved into contact. The blank 12, Fig. 3, is held between supports 14 and 15 mounted in the headstock and tailstock of the lathe, the support 14 having a driving pin 25 which co-operates with an aperture in the blank. Supporting rolls may act on shoulders 43 of the supports 14 and 15. In an alternative form of apparatus, Fig. 4, the blank is introduced axially into the space between two cantilevered rolls 48 and 50. The rolls are intergeared to be driven at the same speed by a common motor. The roll 48 is fixed, whereas the roll 50 is supported in a housing 49 pivoted at 51 and movable by a hand screw 110. As the screw is initially rotated, a spring 120 within the screw acts on a pin 116 fixed to the housing to produce a rolling force related to the spring stiffness. The full rolling force is exerted when the end of the screw contacts an abutment 118. An adjustable assembly 56 biases the rolls apart and limits the extent of movement of roll 50 towards roll 48. Backlash in the drive to the rolls is prevented by the use of friction washers (Fig. 6, not shown), and the rolls are secured to their supporting shafts by a friction connection. A holder (Fig. 8, in plan) for presenting a blank between the rolls 48 and 50 includes a longitudinally movable slide 81 having a blank supporting assembly 92. The assembly fits within a slot in the slide and is shaped according to the particular blank being rolled. A weak plate spring 97 holds a blank in place but places no constraints on the blank during rolling. The blank may be a pin of 0À05 inch diameter. The work rolls or roll are of significantly greater diameter (say 2 inches) than the blank, and may be adapted to produce spur, helical, bevel, tapered or internal gears.
Patent GB-896148-A (GB)
Title: Means for obtaining accurate movement control of a member
Inventor: GREEN WILLIAM LOUIS
IPC: F15B21/08
Filed: 1959-10-29
Abstract: 896,148. Hydraulic apparatus. ELECTROHYDRAULICS Ltd. Nov. 23, 1960 [Oct. 29, 1959], No. 36806/59. Class 69 (2). [Also in Group XL (a)] An hydraulic system for obtaining accurate movement control of a member, such as the control rod of an atomic reactor press, valve or tool in a copying lathe, comprises a jack coupled to the member, and a unidirectional pump coupled to one side only of the jack for its supply and withdrawal of liquid from that side to effect movement of the member in either of two opposed directions. The jack consists of a hollow piston-rod 3 which is secured to a stationary member 4 and has a piston 2 slidable in a cylinder 1 secured to the member to be controlled. The bore of the piston-rod is connected to a supply of gas 27, preferably nitrogen, which acts on the full area of the piston, and a tube 5 is disposed in the bore and connects the annular area of the piston to a line 21 and valves 20, 23 leading to opposite sides of the pump 12 which is driven by a motor 13 and connected to a tank 14; the tube has a number of holes 6 leading to the annular side of the piston so that a cushioning effect is provided at the end of the stroke of the jack. The valves 20, 23 are solenoid operated and, when valve 20 is open and valve 23 closed, the pump supplies liquid pressure to the annular side of the piston to raise the cylinder against the pressure of gas acting on the full area of the piston. When valve 20 is closed and valve 23 is opened, the gas pressure moves the cylinder downwardly at a rate determined by the flow of liquid from the annular side of the piston through the valve 23 and pump 12 which now acts to meter the flow of liquid, the liquid then passing through a oneway valve 17, filter 18 and relief valve 25 to the tank 14. In order to lower the cylinder rapidly, for instance in an emergency, a solenoidoperated vent valve 32 is closed, a valve 33 automatically opens so that liquid from the annular side of the piston can pass directly to the tank 14 and the gas pressure acting on the full area of the piston rapidly extends the jack. The valves 20, 23 may be operated so as to lock the jack in a predetermined position. In the event of the gas pressure dropping below a predetermined safe limit, a pressure-responsive switch 31 is actuated to operate the valve 32 to rapidly lower the cylinder, as before. Similar action occurs if the level in the tank 14 drops and actuates a switch 37 or if the pressure from the pump 12 falls and actuates a switch 36. Leakage of fluid past seals 9 on the rod passes through a passage 10 into a collecting chamber 11 secured to the cylinder.
Patent GB-788086-A (GB)
Title: Improvements relating to observation towers
IPC: E04H12/18
Filed: 1955-12-22
Abstract: 788,086. Amusement apparatus. JOSEPH, Sir L. Dec. 22, 1955, No. 36839/55. Class 132(1) An observation tower comprises a vertical tower structure and an annular lift cage arranged externally of and coaxially with the tower so that it may be moved up and down, the cage having an observation car for passengers and either the lift cage or the car being adapted to be rotated about the vertical axis of the structure. As shown, tower 1 comprises a square framework of vertical members 2, e.g. channel section girders or tubular elements, inter-connected by horizontal stays 3 with diagonal bracing and rests on a concrete foundation 5 with a well 6 to accommodate the necessary hoisting machinery. The lift cage 7 has a square centre opening to fit the tower and is raised and lowered by wire ropes 8 passing over sheaves 9 at the top of the tower and down to a winding drum 10 driven through reduction gearing by motor 11. Cage 7 has a horizontal platform 12 for a car 13 mounted on rollers 14 carried by a ring 15, the rollers 14 engaging tracks 16 and 17 on platform 12 and car 13 respectively.
Patent GB-784376-A (GB)
Title: Improvements in or relating to fluid-actuated piston-cylinder motors
IPC: F15B15/17
Filed: 1955-12-23
Abstract: 784,376. Shovelling machines. FORSBERG, G. A. Dec. 23, 1955 [Dec. 28, 1954], No. 36866/55. Class 68(1) A fluid-actuated, doubleacting, piston-cylinder motor 20, 16 is so constructed that the pressure on the free side of the piston 20 is likely to decrease while pressure on the piston rod side of the piston is likely to increase the distance between the points of connection 13, 12 of the piston rod 21 and of the cylinder 16 to the parts actuated by the motor. The piston rod 21 is connected to the associated part, e.g. the shovel of a shovelling machine, disposed on that side of the cylinder or piston opposite to the piston rod by a cross-piece 22 and struts 25, 26 and the cylinder 16 is connected to the associated part e.g. the chassis of the'shovelling machine, situated on the same side of the cylinder or the piston as the piston rod by arms 16.
Patent GB-528562-A (GB)
Title: Improvements in systems for automatically controlling a variable physical condition and applicable to automatic steering and like systems
IPC: G05D1/02
Filed: 1938-12-20
Abstract: 528,562. Automatic control systems for ships, furnaces &c. CHANCE, B. Dec 20, 1938, No. 37044. Convention date, Dec. 21, 1937. [Class 38 (iv)] [Also in Group XL] Steering, temperatitre &c.-A system wherein a reversible electric motor M is controlled by light sensitive devices R, L and a beam of light (or like radiant energy) to counter a change in a physical condition, and including follow up means to stop the motor, comprises also means to vary the relative effectiveness of the devices when the relative direction of movement between the beam and the devices changes to compensate for the time lag inherent in reversal of the control. In an automatic steering system the invention may operate to avoid response to transient yaw and produce " initial rudder" action. The energization of each device R, L causes a decrease in the effectiveness of the other by varying the relative sensitivity of space discharge devices Vr, Vl controlling rectifier tubes Rr, Rl supplying the respective motor fields. This relative ineffectiveness may be increased and maintained for a predetermined interval by adjustable time delay circuits comprising a double diode Rd under the control of transformer T2, T3 subject to the motor field current. An auxiliary light sensitive device C may operate when the light beam passes off it to latch the circuit of the device towards which the beam has moved to cause its continuous operation until the beam returns to the device C. An alarm may be given by the device C when the said condition deviates excessively from normal. The system is also particularly applicable to furnace temperature control. Specification 461,545 is referred to.