baber/WOPTO huggingface dataset:
Patent GB-218348-A (GB)
Title: Improvements relating to means for insulating or isolating the metal parts of electrical fittings
IPC: H01H23/06
Filed: 1923-02-13
Abstract: 218,348. Appleby, J., and Sidwell, J. E. Feb. 13, 1923. Switch covers and cases.-A tumbler switch is made waterproof and the metal parts isolated from contact with the hand by means of a rubber sheath with a nipple formation A<1> to accommodate the tumbler arm and a U.shaped rim portion A<3> to fit under and be clamped by the screwed cover. The nipple permits the operation of the switch, and all the external metal parts are covered by the sheath. In order completely to prevent access of moisture the base is mounted on a pad of rubber, Fig. 5, having recessed parts thickened round their edges and centrally pierced so that the leads forced through the orifices are clamped in a watertight manner. The rubber pad may be used for rendering a plug coupling waterproof and at the same time for preventing access to the metal parts. In this application, Fig. 7, the pad with the pierced shaped openings is provided at its edges with a ring of vulcanite D<1> to permit the free rotation of the cover. In the arrangement shown in Fig. 9. the pad is combined with a sheath surrounding the base and secured by a clamping ring.
Patent GB-710076-A (GB)
Title: Improvements in or relating to brush supports for mechanical road sweepers
IPC: A46B13/00
Filed: 1950-02-18
Abstract: 710,076. Road sweeping machines. DEIGHTONS PATENT FLUE & TUBE CO., Ltd., and RIDDELL, L. H. Jan. 22, 1951 [Feb. 18, 1950], No. 4210/50. Class 107. [Also in Group XXIII] In a mechanical road sweeper the brush supports 4 at the universal joints 3 are provided with brush separating members 6 having the form of an Archimedean spiral. The separating members 6 are disposed mainly between the upper halves of the brushes 5 and are mounted upon the stays 4 supporting the universal joints.
Patent GB-142224-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H23/12
Filed: 1919-02-20
Abstract: 142,224. Crabtree, J. A. Feb. 20, 1919. Contacts.-In a contact member made up of a contact-carrying part and a contact connected together by a rivet with intervening insulation which is held bv a shoulder on the face of the contact, the shoulder is located on the face of the contact opposite to that on which the contactcarrying member occurs. As shown applied to the contact-arm of the quick-action tumbler described in Specification 140,180, the U-shaped contact 10 is stepped to leave recesses 15 to receive the fixed clip contacts and economize space. The U-shaped contact-carrying part 3 fits within the stepped portion with intervening insulation 18. The under-part of the contact is recessed at 20 to form the shoulder and to receive the cup 21, in which fits the insulating-ring 22 covered by the insulating-disk 23. The parts described are all held together by a rivet 19. The contact and the contact-carrying arm may be ribbed and fluted as shown at 16, 17, Fig. 6, to ensure against relative rotation of these parts.
Patent GB-468826-A (GB)
Title: Improvements in and relating to electric motors
IPC: H02K7/102
Filed: 1937-02-12
Abstract: 468,826. Electric motors. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 12, 1937, No. 4222. Convention date, Feb. 14, 1936. [Class 35] A motor has an axially fixed squirrel cage rotor shorter in length than the stator core and the stator bore also accommodates a magnetic core controlled by the stator winding and acting as a brake. In the form shown, the spring M urges the core K into engagement with the braking surface N when the stator winding C is de-energized but when the winding is re-energized the core K is attracted and the braking terminated. The rotor D may have a magnetic mass L to improve the magnetic circuit of the axially movable core K.
Patent GB-428600-A (GB)
Title: Improvements in or relating to painters' brushes and like brushes
IPC: A46B9/08
Filed: 1935-02-09
Abstract: 428,600. Brushes. HAMILTON & CO. (LONDON), Ltd., 116, Clerkenwell Road, London, and MONK, F. J., 51, Sussex Road, Harrow, Middlesex. Feb. 9, 1935, No. 4231. [Class 19] The ferrules, Fig. 1, of painters' and like brushes wherein the bristles are rubber set, are provided with indentations 7, Fig. 4, of wavy formation superposed on plain linear projections 1, 2, 3, &c. extending longitudinally and vertically of the ferrule, the object being to interlock the rubber with the ferrule. Sets of vertical indentations may be made to interlock the ends of the ferrule.
Patent GB-580924-A (GB)
Title: Improvements in or relating to laminated springs
IPC: B60G11/12
Filed: 1945-03-07
Abstract: 580,924. Laminated springs. WOODHEAD & SONS, Ltd., J., and BROOK, H. March 7, 1945, No. 4285/44. [Class 108 (iii)] To prevent the rolled eye 2 of a laminated spring from unrolling or becoming distorted when the spring is in service, the eye is arranged between side plates 5 which are mounted between the ends of the eye and the usual frame bracket 6 and the inner faces of which are formed to embrace the external periphery of the eye, and locking pieces 9 are accommodated in grooves 10 in the plates 5 to engage flats 11 at the ends of the eye. As shown, each plate 5 is formed with an annular groove 7 to receive the end of the upwardly-rolled eye 2. Alternatively, an annular rib or flange may be formed on the plate to embrace the end of the eye. Rotation of the plates 5 about the eye and shackle pin is prevented by forming the inner faces of the plates with grooves 8 adapted for engagement with one or more of the spring leaves 3, 3a, 3b. The invention is also shown applied to a downwardlyrolled eye.
Patent GB-1110249-A (GB)
Title: Filter device
Inventor: PEARCE MAURICE NORMAN
IPC: B01D29/11
Filed: 1967-01-27
Abstract: 1,110,249. Liquid fuel filter. ROLLS-ROY CE Ltd. 27 Jan., 1967, No. 4294/67. Heading B1D. A filter supplying fuel to main combustion and reheat stages (12, 14) of a gas turbine engine (Fig. 1, not shown) comprises chamber 31, having a tangential inlet 36 and containing a cylindrical wire cloth element 41, and chamber 32 which opens into chamber 31 by a duct 33 tangential to both chambers and contains a pleated paper element 51, the chambers having respective outlets 46, 63 from the spaces enclosed by the elements. Element 41 supplies the reheat stage (14) and is not always in use, but is cleaned continually by fuel passing through chamber 31 to element 51 which supplies the main stage (12). Element 51 is shielded by its perforate support 49 from the rotary flow and incorporates on outlet valve 57 which is opened by its rod 65 when the element is inserted in the housing and closes on removal to protect the element's interior. Conical baffle 66 forms a sump 64 in which sediment collects. The circuit includes pumps (22, 24) controls (25, 27) and a fuel tank (23).
Patent GB-613861-A (GB)
Title: Improvements relating to drawing instruments
IPC: B43L9/02
Filed: 1946-02-12
Abstract: 613,861. Making mathematical drawing- appliances. SUNDERLAND ENGINEERING EQUIPMENT CO., Ltd., and COOKE, N. Feb. 12, 1946, No. 4329. [Class 83 (ii)] [Also in Group XX] In a process for manufacturing metal compasses and dividers, the legs are formed from wire initially of circular section, curled round to form eyes which are swaged in a press and trimmed to size so as to form co-operating cheeks to surround the pivot G. A pencil holder may be made from a solid metal cylinder, drilled at C<SP>1</SP> to take the pencil H, threaded to take the clamping nut D, and drilled at C2 to form a hole in which the end of the leg is inserted and staked. The legs are swaged in a press to a flattened cross-section, this process securing the point E in its hole.
Patent GB-211870-A (GB)
Title: Improvements in or relating to lifts
IPC: B66B13/08
Filed: 1924-02-20
Abstract: 211,870. Delolme, C. Feb. 21, 1923, [Convention date]. Catches, automatic; fastenings for sliding doors.-A bar 10 normally forced towards the left, Fig. 1, by a spring 16 is slidably mounted on the inside of a sliding well door 1 and is connected by a pivot 12 to a latch 11 pivotally mounted on the door. The nose 14 of the latch engages a, catch 15 on the door frame when the door is closed. When the door is open a projection 22 on the bar 10 is engaged by a cam 21, Fig. 5, carried by horizontal rods slidably mounted on the cage 18. When the lift is stationary the cam 21 can be withdrawn from engagement with the projection 22 against the resistance of springs by a. handle 17 and the door is then closed by a weight 5. As the cam is removed from the projection when the cage moves up or down, it is not then necessary to retract the cam in order to close the well door.
Patent GB-100207-A (GB)
Title: Improvements relating to Lamps.
IPC: F21V7/04
Filed: 1916-03-23
Abstract: 100,207. Quarzlampen-Ges. Feb. 12, 1915, [Convention date]. Electric-lamp lanterns and casings.-In lighting-apparatus, particularly for medical purposes, a linear electric vapour lamp q is arranged along the axis of a paraboloidal reflector between its apex and its focus or in a corresponding position with regard to a conical or pyramidal reflector r. The width of the reflector r may be greater in one direction than in a direction at right-angles. The usual glass filters may be replaced by thin sheet gelatine filters impregnated with colours &c.
Patent GB-1014621-A (GB)
Title: Improvements in or relating to auxiliary overdrive gears
Inventor: WILSON ANDREW GORDON
IPC: F16H61/02
Filed: 1963-02-04
Abstract: 1,014,621. Variable-speed epicyclic gears. SELF-CHANGING GEARS Ltd. Jan. 22, 1964 [Feb. 4, 1963], No. 4380/63. Heading F2D. In a motor-vehicle three-element epicyclic overdrive, or underdrive gear unit in which a carrier 12, having stepped planets 10 meshing suns 6, 7 fast respectively with input and output shafts 5, 8, is spring loaded at 17 to clutch a disc 20 splined on the output shaft 8 for direct lock-up drive, and axially moved, against the bias of a diaphragm spring 61, by a fluid-pressure operated piston 24 to release the clutch and apply a brake 15 to the carrier to a fixed casing 1 for drive at the planetary ratio, the re-engagement of the clutch 20 to restore direct drive is balked by a modulator valve and piston 53, 55 (Fig. 3), in the fluid pressure circuit, the opening of which is controlled by an associated restrictor 59 to delay release of the piston 24 to synchronize the shafts 5, 8 and cushion the gear-change. The fluid pressure circuit is provided by a gear pump 33 which draws from a sump and feeds pressure fluid via a duct 40 to a cylinder 41 of the piston 24, the fluid overflowing via ducts 42 and 50 to the sump, the modulator valve 53 together with a solenoid-operated shut-off valve 47 each being arranged in the duct 50 such that during direct drive both valves 47, 53 are spring biased open providing an open fluid circuit. Overdrive, or underdrive is effected by energizing the solenoid 43 to close valve 47 and pressurize the fluid circuit, releasing the clutch and engaging the brake, the fluid pressure acting both on the modulator valve 53 and, via the restrictor 59 and duct 60, on the larger diameter piston 55 such that the pressure differential closes the valve 53. When the solenoid is de-energized, the cut-off valve 47 opens causing a pressure drop in the duct 50 and gradual release via the restrictor 59 and duct 60 of the pressure from the modulator piston 55 to control opening of the valve 53 and delay release of the brake piston 24. The piston 24, when operated, releases the clutch pressure plate 19 via saddle-shaped inserts 28 and, during this clutch disengaging movement uncovers a relief port 31 in the shaft 8 which together with the clutch springs 17 constitute a pressure regulating valve, the relieved oil being used for lubrication of the planetary gear.
Patent GB-621539-A (GB)
Title: Improvements in and relating to sliders for sliding clasp fasteners
IPC: A44B19/26
Filed: 1947-02-17
Abstract: 621,539. Sliding-clasp fasteners. UNITEDCARR FASTENER CORPORATION. Feb. 17, 1947, No. 4512. Convention date, Feb. 16, 1946. [Class 44] A pull tag for the slider of a sliding clasp fastener is formed in one piece and has two terminal portions 21 connected by a link 22 which is adapted to form an eye 20 when the terminal portions are secured together in overlapping relation as by a tubular rivet 23. The eye 20 is passed through an integral keeper 17 outwardly displaced from a wall 11 of the sliding clasp. The sliding clasp 10 comprises the usual spaced walls connected by an integral frog 13, inturned flanges on the walls forming diverging channels and a throat. A tab 26 may be secured between the terminal portions 21. In another form the terminal portions are imperforate and of rectangular shape, being secured together by a flange disposed along the lower edge of one of them. Specifications 450,823 and 608,545 are referred to.
Patent GB-1304091-A (GB)
IPC: G11B15/44
Filed: 1970-01-30
Abstract: 1304091 Bidirectional tape transports STAAR SA 30 Jan 1970 [7 Nov 1969] 4589/70 Heading G5R A bidirectional tape recorder has fast wind and rewind controls associated with changeover means so that the winding direction is automatically appropriate to the transducing direction at the time the controls were operated. Electrical (Figs. 1-4) and mechanical (Figs. 5-8) systems are described. In Fig. 1, a cassette 3 is coupled with a movable plate 2 carrying counter-rotating capstans 4, 4<SP>1</SP> and winding spindles 5, 6. When the tape is transduced in direction F by capstan 4, operation of button 40 connects power via change-over switch contacts 49 to a solenoid 39 to rotate lever 35 and interpose a roller 26 between capstan flywheel 14 and takeup turntable 13 to initiate fast wind. Similarly, button 61 energises solenoid 38 to initiate rewind. When the tape is transduced in the opposite direction, pinch roller 10 is released and thereby reverses change-over switch 21 so that the buttons 40, 41 control the opposite solenoids 38, 39. The tape is automatically reversed and the head 8 switched at the tape ends irrespective of tape speed (not detailed). In Fig. 5, when the tape is transduced in direction F, operation of button 40<SP>1</SP> moves a slide 57 to cause a ramp 61 to interpose a roller 67 between capstan flywheel 14 and reel turntable 13 to initiate fast wind. Button 41<SP>1</SP> operates similarly to initiate rewind. When the tape is transduced in the opposite direction, release of pinch roller 10 operates a changeover mechanism 86, 84, 82 to displace a pin 81 and allow arms 69, 70 to abut under spring force 71, 72 so that operation of button 40<SP>1</SP> again moves slide 57 but this time a ramp 62 interposes roller 68 between flywheel 14<SP>1</SP> and reel turntable 13<SP>1</SP> to initiate rewind.
Patent GB-1254177-A (GB)
Title: Long-chain polyglycidyl esters containing aliphatic or cycloaliphatic acid residues, processes for their manufacture and their use
IPC: H01B3/40
Filed: 1969-01-28
Abstract: 1,254,177. Polyglycidyl esters; polyalkylene glycol derivatives. CIBA-GEIGY A.G. 28 Jan., 1969 [29 Jan., 1968], No. 4594/69. Headings C3B and C3R. Novel polyglycidyl esters of the general formula: where R, and R 2  are the residues notionally derived by removing the carboxyl groups from an aliphatic or oycloaliphatic acid having m + 1 and n + 1 carboxyl groups respectively, A is a residue of a polyalkylene glycol of average molecular weight at least 200, and m and n are 1, 2 or 3, are prepared by reacting a partial ester of the formula where Ra is H or a cation, preferably alkali metal, with an epihalohydrin in one or several stages. Several modifications are described but the preferred method comprises reacting an epihalohydrin in the presence of a catalyst, e.g. a tert. amine as quaternary ammonium compound, with a partial ester of the above formula wherein R 3  is H to form an intermediate product containing at least one halohydrin group and dehydrohalogenating. Other catalysts specified for the addition of epihalohydrin include ionexchange resins, trialkyl hydrazonium salts, thioethers and sulphonium salts. The polyglycidyl esters may be cured by any of the usual epoxy resin curing agents and many are specified. They may be mixed with active diluents, e.g. styrene oxide, various glycidyl ethers and esters and cycloaliphatic mono-epoxides. They may also be mixed with other curable polyepoxides, phenoplasts and aminoplasts. Specified fillers which may be added are anthracite tar, bitumen, glass fibres, boron fibres, carbon fibres, cellulose, polyethylene and polypropylene powder, mica, asbestos, quartz powder, slate powder, aluminium trihydrate, chalk powder, gypsum, antimony trioxide, bentones, silica aerogel, lithopone, barytes, titania, carbon black, graphite, iron oxide, A1 or Fe powder. Plasticizers, e.g. phthalates, phosphates and polypropylene glycols, and solvents may also be added. The polyglycidyl esters may be partially or completely esterified, particularly with higher unsaturated fatty acids. Uses-Laminating, coating etc. compositions, floor covering, adhesives, embedding and insulating compositions for electrotechnology.
Patent GB-496087-A (GB)
Title: Improvements in and relating to air screws with a variable and reversible pitch
IPC: B64C11/36
Filed: 1938-02-14
Abstract: 496,087. Airscrews. FONDANAICHE, R. J. Feb. 14, 1938, No. 4615. Convention date, Feb. 13, 1937. [Class 114] The gear producing variation of pitch of an airscrew includes tubular shaft which is longitudinally movable within the propeller hub. The tubular shaft 6 which is longitudinally movable in a hub 4 is keyed thereto so as to be relatively non-rotatable and at its outer end carries helical splines 23 which engage a nut member 24 mounted for rotation but not longitudinal motion. Rotation of the nut 24 is communicated to a bevel wheel 26 which gears with a bevel wheel 27 on the blade root. This drive may be supported at an intermediate point upon ball races in the propeller hub. The inner end of the tube carries a sleeve 10 which is coupled to another sleeve 31 through ball members 11, 11a this latter sleeve 31 being secured to a tube 9 which is given longitudinal motion by reason of rotation of a nut upon an outer thread 22. The nut is provided with an outer set of teeth 20 which gear with a worm 19 on the shaft of an actuating mechanism such as an electric motor. Normally the sleeve 9 is stationary whilst the sleeve 6 rotates with the propeller and this is permitted by reason of the ball race connection 11. The combined tubes 6 and 9 pass through the final drive member 2 of the gear reduction from the driving engine.
Patent GB-151530-A (GB)
Title: Improved basket
IPC: B65D5/46
Filed: 1920-02-16
Abstract: 151,530. Thomas, F. Feb. 16, 1920. Baskets made from special blanks; coated baskets; handles; corner joints; bands, strengthening.-A basket, Fig. 1, made from a folded blank a, Fig. 3, of fibre-board &c. with a double rim k over the edge of the body portion has a handle m made from two strips of material extending down over the rim, one being carried down the outside of the basket and the other down the inside. The parts are secured together by bifurcated rivets, and the basket may be rendered waterproof by a coating of glaze such as is used in the manufacture of aeroplanes.
Patent GB-179329-A (GB)
Title: Improvements in or relating to strainers for use with valves
IPC: F16K1/02
Filed: 1921-02-10
Abstract: 179,329. Barton, B. C., and Carr, R. H. Feb. 10, 1921. Machines and apparatus; accumulators; working valves.-A strainer for use with pumps, accumulators, presses, and other hydraulic machines comprises superimposed discs i, j, with abutting rims i<2>, j<4>, the latter being provided with fine radial serrations or grooves. The discs are disposed in a recess in a block a, and the stem j<2> of the upper disc is received in a recess h' in a screwed plug h. In a modified form, one or more intermediate discs with projecting serrated rims are provided, and the whole of the discs are maintained in position by a central pin carried by the upper or lower disc. Specification 151,839 is referred to.
Patent GB-650620-A (GB)
Title: Improvements in or relating to ring mechanisms for document filing systems
IPC: B42F13/26
Filed: 1948-02-18
Abstract: 650,620. Loose leaf binders. LUNDGREN, A. G. E. Feb. 18, 1948, No. 4713. [Class 146 (i)] In a ring mechanism for a loose leaf binder the strips 3, 4 to which ring halves 1, 2 are fixed are arched longitudinally and provided with a top cover plate 7 and a press opener in the form of a projection 13 extending downwardly in the direction of the bisector of the angle between the strips 3, 4, the ring halves being opened by pressing the projection 13 against an underlying portion such as the back of the binder.
Patent GB-1377524-A (GB)
Title: Sound insulating element
IPC: E04B1/82
Filed: 1972-02-01
Abstract: 1377524 Sound insulating panels SCHOELLER & CO KG 1 Feb 1972 [1 Feb 1971] 4751/72 Heading E1B A sound insulating element for forming sound proof enclosures, partitions or wall coverings comprises a rectangular section plastics tube, including spacing means 7 defining front 5 and rear 6 zones, the front zone being closed at the bottom 8 and filled with insulating material 9, and formed with an annular projection 11 at one end for mating with an annular channel 10 at the opposite end of an adjacent element. The rear zone may also be closed at 12 and filled with sand or other heavy loose material. The front zone may be closed at the bottom by a grid or mesh the filling being rock or glass wool and having continuous apertures 9 therethrough. The front plate may be corrugated and/or apertured. When sound is to be resisted, penetration in both directions, a three zone element is provided, both outer zones containing glass or rock wool and the centre zone sand. The spacers 7 may be replaced by dividing walls. In use the elements are stacked between T- section girders, the top elements of the stack receiving a cap, or they are secured to wooden battens by screws passing completely through the panels.
Patent GB-455840-A (GB)
Title: Improvements in and relating to massage belts
IPC: A61H7/00
Filed: 1936-02-17
Abstract: 455,840. Massage-apparatus. MULLER, R., 136, Kaiser - Wilhelm - Strasse, Gera, Germany. Feb. 17, 1936, No. 4767. [Class 81 (ii)] A massage belt, fitted with two or more groups of massage elements, wholly carries a motor which imparts to these elements to and fro rubbing movements by means of a crank or similarly acting device. In Fig. 1, a belt f provided with massage elements h carries an electric motor a fitted with a switch or speed governor c. The driving crank d is attached to a middle piece e also having massage projections h. A buckle g enables the length of the belt to be adjusted. In Fig. 2, one end of the belt is attached to the motor casing, and the other end to the crank. A spring i acts in opposition to the pressure of the body on the belt. The belt may be subdivided in a longitudinal direction into two or more rings, one of which is connected to the crank, and the other(s) to the motor casing. The electric motor may be replaced by a water turbine.