baber/WOPTO huggingface dataset:
Patent GB-1392712-A (GB)
Title: Teaching aid
IPC: G09B3/06
Filed: 1971-02-11
Abstract: 1392712 Teaching aid INVICTA PLASTICS Ltd 11 May 1972 [11 Feb 1971] 4428/72 Heading G5G A teaching aid comprises an informationbearing card 3 marked with a set of questions and a secletion of alternative answers to each question, and a holder 1 which is adapted to slidably receive the card and through which the card can be moved, under the action of gravity, in stages so that one of said questions and the relevant selection of answers is displayed in the holder at each stage, the holder being provided with a set of removable pegs 8a, 8b, 8c associated one with each answer and fitted in to the holder so as to project into the path of the card therethrough, and a plurality of apertures 9 formed in the card to receive the pegs and arranged so that, at each stage, the card is supported against gravitational sliding movement to the next stage only by the peg associated with the correct answer, whereby removal of the peg signifying selection of the correct answer allows the card to move to the next stage. An extra window may be provided in the holder below the window 4, in which extra window the question reappears together with the correct answer printed alongside.
Patent GB-823059-A (GB)
Title: Improvements in connections for coaxial electric cables
IPC: H01R9/05
Filed: 1956-02-13
Abstract: 823,059. Sleeve couplings. MARX, C. T. Feb. 13, 1957 [Feb. 13, 1956], No. 4458/56. Class 38 (1). A coaxial cable is connected to a plug by a connector comprising a main sleeve 14 and an outer sleeve 16, the sleeve 14 being pushed over conductors 10, 2 and the windows 15 in the sleeves being brought into register to permit access to the overlapping ends of conductors 4, 6. The conductors 4, 6 are then soldered together, part of sleeve 14 is crimped to a hexagonal cross-section on conductor 10 and the outer sleeve 16 is turned to bring the windows out of register and is secured by screws to sleeve 14.
Patent GB-583491-A (GB)
Title: Improvements in or relating to cartons
IPC: B65D5/06
Filed: 1944-03-10
Abstract: 583,491. Cartons for liquids. ZINN, J. A. March 10, 1944, No. 4497. [Classes 18 and 66] A carton, particularly for dispensing liquids, is made from the blank shown in Fig. 1 which is first folded to form a tube with panel 24 adhesively secured over panel 25 and frangible portion 66 secured over pouring opening 64, whereafter the composite panel formed by the adhesion together of panels 34, 35 is folded over as in Fig. 3, then panel 28 and finally panels 30, 32 the adhesion of tabs 40, 42 to tabs 38, 44 ensuring liquid-tight joins. The top closure is formed by folding about lines 60, flap 68-69 being folded over the upstanding lips of the mouth and held by stitches.
Patent GB-609044-A (GB)
Title: Improvements in or relating to the recovery of alloy cases from lead-filled bullets
IPC: C22B7/00
Filed: 1946-02-13
Abstract: 609,044. Scrap recovery; upward current classifiers. ENTHOVEN & SONS, Ltd., H. J., and TAYLOR, L. F. Feb. 13, 1946, No. 4505. [Classes 82(i) and 82(ii)] A method of recovering alloy cases from lead-filled bullets comprises feeding the bullets along an open-ended cage member 18 having apertures through which bullets cannot pass formed by parallel rods 15 mounted on members 18 and 19. Said member 18 rotates about its axis 16 within a chamber 10, the temperature of which is such that the lead becomes plastic and is extruded, e.g. 500 to 650‹C., withdrawing the de-leaded cases through a chute 26 and withdrawing the lead 22 from the chamber 10. The cage may be provided with a strip of metal secured to the rods 17 and arranged in spiral form for the travel of the bullets or cases. The cases withdrawn may be separated by means of a Y-shaped tubular assembly into normal weight cases and cases which are abnormally heavy due to the presence of lead or other metal cores or caps. The cases are received by a limb 28, water being directed upwardly, by means of a pump 32, through a limb 29, at such a rate that the cases which are abnormally heavy sink down through the limb 29 into the tank 31, and the normal weight cases are carried through a limb 30, and collected. They may be acid-cleaned to remove any residual lead.
Patent GB-197423-A (GB)
Title: Improved means of escape from burning buildings
IPC: A62B1/02
Filed: 1922-02-16
Abstract: 197,423. Core, A. M. Feb. 16, 1922. Window appliances and fittings for exteriors of buildings.-Lowering-apparatus of the kind which is normally contained in a movable chest comprises a chest 2 and a pivoted framework 5, 6 which is adapted to project through a windowopening and carries the lowering-tackle 14 and a collapsable cage 19, links 22 pivoted to each other and to the framework and the hinged end 29 of the chest serving as stays for the framework. A Bat part 12 of the framework rests on the windowsill, and a weight 30 balances the load. The whole of the apparatus is contained in the chest when it is not required for use.
Patent GB-1534152-A (GB)
Title: Furniture
IPC: A47C17/16
Filed: 1976-02-03
Abstract: 1534152 Convertible chair-bed W STEEL & CO Ltd 3 Feb 1976 [3 Feb 1975] 4594/75 Heading A4J A chair-bed comprises a seat 1, a backrest 5 hinged to the seat at a position 6 intermediate the ends of the seat and a rear portion 7 hinged to the upper end of the backrest, the rear portion being releasably engaged with the rear end of the seat portion in the chair position and the rear portion and the backrest being supported by members 10, 11 in the bed position. A rod 12 pivotally connected between the seat portion and the member 11 automatically moves the member 11 into the bed supporting position as the backrest is pivoted rearwardly. Two lugs 14 provided in the crosspiece 9 of the rear portion releasably engage apertures 15 in the rear crosspiece 4 of the seat portion in the chair position.
Patent GB-1537101-A (GB)
Title: Electromedical leads
IPC: A61N1/05
Filed: 1976-02-05
Abstract: 1537101 Electromedical leads MEDTRONIC INC 5 Feb 1976 [7 Feb 1975] 04605/76 Heading A5R A body implantable electromedical lead particularly for a heart pacer, has at least one electrically conductive electrode 4 or 5 with at least the body tissue exposed surface thereof formed from a material which is substantially inert to living body tissue and fluids and is non-thrombogenic, and an electrical conductor 2 or 3 connected to the electrode and encapsulated in non-thrombogenic, non-fibrotic, electrically insulating material 1. A bipolar endocardial stimulation lead, comprises coil spring conductors 2, 3 respectively connected to a ring electrode 4 and a tip electrode 5. A flange, tine or other mechanical lodging formation 6 may be provided on the encapsulation to facilitate retention of the electrodes in the desired position. The encapsulation material 1 may be silicone rubber with powdered tungsten incorporated therein, or a polysiloxane-polyurethane block copolymer coating over extruded polyether urethane tubing.  Each electrode 4, 5 may be made entirely of hard pyrolytic carbon, or a coating of this material may be applied over platinum or platinum-iridium alloy or on a graphite substrate. A protective coating of serum albumin may be provided over each electrode, such coating dissolving in use of the lead.
Patent GB-323403-A (GB)
Title: Improvements in joints for steel arches as used in mines, tunnels, and the like
IPC: E21D11/22
Filed: 1929-02-12
Abstract: 323,403. Wardle, E. J. Feb. 12, 1929. Ironwork, constructional; shoring.-The flanges of structural members for use in mines are cut away at one or both sides at their ends, so that the webs may overlap to form a scarf joint. The members may be in the form of horseshoe supports a, b, and the webs on one side of each bar at one end are cut away at b<1> so that these ends overlap and may be secured in place by fishplates and bolts. The fishplates may be cranked at the ends c<1> to close down over the joint ends, or may be provided with projections c<2> for the same purpose. The fishplates may be omitted and the joint secured by two bolts passing through the overlapping portions. Top and bottom sleeve plates c may be provided for the joint. The flanges may also be cut away on both sides and the joint provided with opposed butt-straps c cranked at their centres.
Patent GB-118566-A (GB)
Title: Improvements relating to Nut and Bolt Adjusting Devices for Tennis Racket Presses.
Inventor: FOSTER HAROLD
IPC: A63B60/44
Filed: 1918-03-15
Abstract: 118,566. Foster, H. March 15, 1918. Racket presses.-A nut for a racket press has an annular collar f engaging a groove in a split socket g fixed to one part a of the press.
Patent GB-500004-A (GB)
Title: Improvements in and relating to the mounting of machines or vehicle power units
IPC: F16F3/087
Filed: 1938-02-16
Abstract: 500,004. Resilient supports. GETEFO GES. FUR TECHNISCHEN FORTSCHRITT. Feb. 16, 1938, No. 4764. Convention date, Feb. 16, 1937. [Class 108 (iii)] A resilient support comprises rubber members bonded between metal parts and arranged in series such that in all degrees of freedom at least one of the rubber members will be freely stressed in shear when a force is applied. As shown in Fig. 3, two channel members 1, 2 are connected together by rubber pads 3 adhesively attached to the flanges and a plate 5 is supported on a rubber block 4 adhesively attached thereto and to the bottom of the channel 2. The rubber may be extended at 7 and attached to the side of the plate 5 to form limiting abutments. The channel 2 may be reversed or be replied by an I-section member. Fig. 4 shows a circular support comprising cylinders 1, 2 connected by rubber 3, a plate 4 being welded to the cylinder 2. A rubber pad 6 is adhesively attached to the plates 4, 5, and a lip 11 forms a limiting abutment. The free surface of the lip 11 may be inclined or curved relatively to the surface of the sleeve 1 so as to provide an abutment which becomes harder as the blow increases. Air may be pumped into the space 10 through a valve 9 to regulate the supporting pressure. The metal parts may be replaced by hard rubber or synthetic plastics.
Patent GB-701682-A (GB)
Title: Improvements in or relating to automatic regulating apparatus, e.g., speed governors
IPC: G05D13/00
Filed: 1949-02-23
Abstract: 701,682. Fluid-pressure servomotor-control systems. STEVENS, A. H. (Woodward Governor Co.). Feb. 23, 1949, No. 4934/49. Class 135 A regulating apparatus, e.g. a prime mover speed governor, comprises a piston valve 29 slidable in a sleeve 20 driven by the prime mover and actuated by flyweights 9 subject to speed variations to connect a passage 37 to a liquid supply pump 31 through a passage 32 or to exhaust through a passage 34. Passage 37 leads to one side of a piston 38 the other side of which is connected to a servo cylinder 13, the piston being centered by opposing springs 40, 41. Variations of speed thus cause variations of the pressure in the passage 37 which move the piston 38 and vary the pressure acting on a servo-piston 12 controlling, e.g. the prime mover throttle. A differential pressure is thus produced across the piston 38 and is applied through passages 47, 48 to opposite sides of a piston 42 carried by the valve, the resultant force tending to move the valve back to its neutral position causing the apparatus to have a drooping characteristic. This droop is only temporary since the passages 47, 48 are interconnected by a passage 50 having an adjustable orifice which permits the pressures on opposite sides of piston 38 to equalize after an interval. The loading of the speeder spring 22 is variable through a rack and quadrant which is manually operated. Seals 52 ... 54 are provided for the piston 12, the rod 11, and the valve stem respectively, each comprising a groove 55 fed with pressure fluid from the passage 37. In another arrangement, the piston 12 is double-acting, the piston 38 being arranged in one of the passages between the valve and servo cylinder.
Patent GB-688682-A (GB)
Title: Improvements in and relating to brakes and retarding apparatus
Inventor: WATTS LAURENCE DEREK
IPC: B60T7/02
Filed: 1949-03-23
Abstract: 688,682. Vehicle brake controls. SCAMMELL LORRIES, Ltd. March 22, 1950 [March 23, 1949], No. 4960/49. Class 103 (i). A brake mechanism for vehicles comprises combined foot and hand controls both operative to apply the main braking system, the hand control enabling the driver to maintain the brakes applied for holding the vehicle on a hill or for parking purposes but not interfering with the foot control. A transmission member 4a is fulcrummed about a pivot 5 carried by a bracket member 6 mounted on a collar 7a on a transverse shaft 7, the pivot also engaging in the slotted part 8 of a pull-push rod 9 actuated by the hand control lever 15. A torque arm 17 actuated by the pedal 16 and mounted on a second collar on the shaft 7 also engages the bracket member by a pin 18. When the hand lever is in released position the slotted part 8 provides freedom of movement for the pedal action. As shown, the transmission member 4a acts through a lever 4 on the usual hydraulic master cylinder 1 but the mechanism may also be used with compressed air or vacuum or other servo systems.
Patent GB-1085506-A (GB)
Title: Electric measuring sensing element, more particularly resistance thermometer
Inventor: KMONICEK VLADIMIR
IPC: G01K7/16
Filed: 1966-02-04
Abstract: 1,085,506. Temperature sensitive resistors. CESKOSLOVENSKA AKADEMIE VED. Feb. 4, 1966 [Feb. 4, 1965], No. 5045/66. Heading H1K. [Also in Division G1] A resistance thermometer comprises a thin film of, e.g. platinum located on the exposed end 9 of a glass insert 2 in a sleeve 1. The leads 3 from the ends of the platinum element are sealed into the glass, and soldered externally to a coaxial cable 5, the joins being covered by a casing 6 having a groove 7 which indicates the direction of the axis of the element. When assembled to a conduit (Fig. 3, not shown), the end face 9 may be shaped to conform with the inner surface of the conduit. The resistance element may be covered with a layer of insulating material. For measuring the flow of heat into a wall the unit may incorporate two spaced temperature-sensitive resistance elements.
Patent GB-621714-A (GB)
Title: Improvements in or relating to devices for controlling electric current circuits by means of switch elements actuated magnetically
IPC: H01H50/30
Filed: 1947-02-20
Abstract: 621,714. Electromagnetic switches. FKG F. KESSELRING GERATEBAU AKT.- GES. Feb. 20, 1947, No. 5059. Convention date, Feb 23, 1946. [Class 38(v)] Electromagnetic switches, which may be used as relays, regulators, converters &c. are made to have a switching time of less than 3. 10<SP>-4</SP> seconds by making the product of the length of the switch element 1 and the length of the air gap in centimetres divided by the magnetic induction in the air gap in Gausses less than 1. 5. 10<SP>-5</SP>. In the form shown, the switch element 1 consists of iron plates 5 on either' side of a plate 4 of good conducting material which carries the contacts 3 and is arranged to rotate about a pivot 2 formed of a thin torsion spring which allows also a certain translational movement. Energization of the electro-magnets 8 rotates the switch element 1 out of engagement with the abutments (or contacts) 6 and into engagement with the contacts 7. The restoring force may be spring, gravity, magnetic or centrifugal.
Patent GB-216560-A (GB)
Title: An improved apparatus for holding, handling and displaying rolls of linoleum, carpets, cloth, paper and the like
IPC: A47F7/17
Filed: 1923-02-22
Abstract: 216,560. Elliott, H. Feb. 22, 1923. Endless chain and like carriers, apparatus with. - A device for holding, handling, and displaying rolls of linoleum, carpets, cloth, paper, lead, &c. comprises a frame a at the front and back of which are superimposed on ball-bearings adjustable spindles d, d<1> carrying rollers e, e<1>. Each pair of front and back rollers e, e' is connected by an endless belt f on which rests a roll of material. In the larger forms of apparatus each spindle d may have at one end a bevel wheel g engageable by bevel wheels j on a vertical hand or poweroperated shaft h. The wheels j are axially movable on the shaft h and each may be maintained in or out of engagement with its wheel g by a spring catch. In order to raise a roll from the floor to its shelf, two bands u having end hooks u' are unwound from drums 8<2> on a shaft s and are passed under the roll and hook on to one of a number of spacing angle-irons b which support the frame a. On rotating the drums s<2> by turning the shaft h when the top wheel j is in engagement, the bands u are drawn up and raise the roll x till it reaches the level of its shelf and falls on the belts f. The roll may then be unwound for display by rotating the corresponding spindle d by the shaft h and so travelling its supporting belts f. To maintain the roll in position a spindle r<2> of a crank r<1> is inserted in the centre of the roll, a ball-bearing sleeve and a spacing collar z being preferably provided on the spindle, Fig. 8. The other spindle r of the crank is carried in a sliding block p retained in place by straps p<1> and loaded by a weight q or by springs. Alternatively, rollers may bear on the upper side of the rolls. A third roller may be provided between the rollers e, e<1> at a lower level to prevent contact between the top and bottom sides of the belt f. The frame a may be built up of a series of superimposed dismountable units. A roller may be provided at the foot of the apparatus on to which the roll material can be wound. A brake may be fitted to control unwinding of a partly unwound roll.
Patent GB-253969-A (GB)
Title: Improvements appertaining to loom let-off mechanism
IPC: D03D49/06
Filed: 1925-02-26
Abstract: 253,969. Booth, J. W., and Corlass, T. C. Feb. 26, 1925. Letting-off warps. - The detector 10, Fig. 1, acting on the warp on the beam C is mounted on a vertical rack 11 gearing with a pinion on a shaft g having a pinion engaging a horizontal rack 17 actuated by a spring 19 and connected by a rod 20 to the usual weight 3 on the horizontal arm a of a bell-crank lever 2, the vertical arm b of which is connected by a rod or chain 4, a pulley and lever mechanism to the brake blocks or chains. As the diameter of the warp on the beam decreases, the detector, which may comprise rollers, is forced upwards by the action of the spring 19, and the weight 3 is moved nearer to the pivot f of the lever 2. The bearings 13 for the shaft g are supported by a bracket 14 that can slide over a separate bracket 15 on the lower rail B<1>. The rod connected to the chain 4 is carried by a screw 21 whereby its distance from the pivot f may be varied. In a modification. the rollers 10 are carried by a hollow bar 11<a>. Fig. 5, to which is fixed a chain 22 connected to a sliding bar 23. This bar is controlled bv a spring and is connected by a rod 20 to the sliding weight. According to the first Provisional Specification the weighted arm may extend upwards, and its fixing bracket may be made in two parts connected by a spring. Also the bearing supporting the detector member or roller may be adjusted on the sliding rod by means of a quadrant slot, or by having different notches for the roller axle. According to the second Provisional Specification the detector member is raised by a chain controlled by a spring or weight and passing around a sprocket wheel.
Patent GB-856026-A (GB)
Title: Oxygen producing canister
Inventor: BOVARD ROBERT MAURICE
IPC: A62B21/00
Filed: 1959-02-16
Abstract: 856,026. Oxygen-producing canisters. MINE SAFETY APPLIANCES CO. Feb. 16, 1959, No. 5306/59. Class 81(2) An oxygen producing canister for respiratory apparatus comprises a housing with an inlet for exhaled air and an oxygen outlet, two chambers containing oxygen-generating material in the housing, each chamber having ari inlet and an outlet and means for connecting one chamber at a time to the exclusion of the other between the housing inlet and outlet. In an airtight housing 1 having an inlet 2 and an outlet 3 is a hollow cylinder 6 divided into two chambers by a transverse solid wall 12 and having perforated end walls 7, 8 spaced from the housing by corrugated mesh 13, 14. Oxygen generating and carbon dioxide chemical' 26, 27 e.g. potassium superoxide in the chambers is spaced from each side of the transverse wall.by perforated walls 9, 10 and corrugated mesh 11. Fibre glass cloth or mats 28, 29 are located between 'the chemical and the perforated walls. Two annular partitions 15, 16 space the cylinder from the housing, the space between the partitions communicating with outlet ports 17 of the lower chamber 4, and inlet ports 18 of the upper chamber 5. Each partition has circumferentially spaced openings 20, which are axially aligned in pairs and permit communication between the spaces 31, 32 'between each chamber and the housing. A valve 22 is soldered by a low melting point alloy to each opening 20 in the lower partition and is spring urged towards the corresponding opening in the upper partition. Initially air passes from the inlet 2 through the lower chamber 4 to its outlet ports 17 and then through space 31 surrounding the upper chamber 5, thus by-passing the upper chamber. As the chemical in the lower chamber becomes exhausted heat generated by the chemical reaction melts the solder and each valve 22 is released from an opening 20 to close the corresponding opening 21 in the upper partition. Air from the housing inlet 2 then flows to the outlet 3 by way of the space 32 around the lower chamber, the openings in the lower partition inlet ports 18, and through the upper chamber 5.
Patent GB-994011-A (GB)
Title: Improvements in railway vehicle bogies
IPC: B61F5/12
Filed: 1964-02-07
Abstract: 994,011. Railway vehicle undercarriages. NATIONAL CASTINGS CO. Feb. 7, 1964 [Feb. 27, 1963], No. 5328/64. Heading B7L. A railway vehicle bogie bolster 5, Figs. 1 and 3, is snubbed by a friction wedge 15 engaging a wear surface 18 in the bolster and a surface 46, Fig. 4, of a chock 28 seated against a support 32 extending between the side walls of the bogie side frame 6 the chock being removable from the side frame in a direction parallel to the longitudinal axis of the bolster through an opening 40 which is slightly larger than the end face of the chock. When the wedge 15 is depressed against its spring 27 by a pay bar 51 passing through a side frame opening 66, a lug 44 on the chock can be passed through a notch 48. When the pay bar is removed the wedge 15 moves the chock into engagement with the support 32 on the lug 44 is interlocked with a portion 33 of the side frame 6. A lug 54 of the chock spaces the latter from the side frame wall remote from the opening 40. A second lug 53 is provided in order that the chock may be used at the opening 40 on the opposite side of the bolster opening 7. To facilitate assembly of the bolster in the side frame the wedge 15 and its spring may be held retracted in an opening therefor between the side frame walls, before the chock is inserted by a pin passing through holes 70 in the walls. In a modification the chock may have a re-entrant portion engaging a projecting support in the side frame, as described with reference to Figs. 7 and 8 (not shown). The wedge and its spring can be removed through a side frame window 21. Specification 934,841 is referred to.