baber/WOPTO huggingface dataset:
Patent GB-579393-A (GB)
Title: Improvements in aircraft windscreen wipers
IPC: B64C1/14
Filed: 1944-02-16
Abstract: 579,393. Windscreen wiper valvegear. MELMORE, W. M., and MELMORE, A.L. Feb. 16, 1944, Nos. 2858/44 and 3912/45. [Class 69 (ii)] [Also in Group XXVI] A windscreen wiper for aircraft comprises a double-ended piston 3, 3a, actuated by liquid or air, having an intermediate rack engaging a spindle which carries the wiper blade at one end, and at the other end loosely supports a rotary-oscillating valve 8 actuated by a cam 11 of double V-shape loose on the spindle, through dogs 9 on the underside of the cam engaging slots in the valve ; the cam is actuated by dogs fixed on the spindle, and coacts with spring-pressed balls &c. 12 to give a quick throw. With hydraulic actuation, the valvebox may be connected with the liquid exhaust for silencing. In one form, the valve is cylindrical and has a pressure control port 19, Fig. 6, extending nearly over the periphery and connected to two balancing ducts 20 on either side of exhaust duct 19*. A clearance between, the cylinders and pistons allows passage of pressure fluid. In another form, the valve is stepped, the smaller portion being operated by the dogs, and the larger portion having an inlet and an exhaust duct, the valve chamber being sealed by a cup-leather to maintain the valve on its seat.
Patent GB-921822-A (GB)
Title: Improvements in or relating to sliding clasp fasteners
IPC: A44B19/30
Filed: 1960-01-26
Abstract: 921,822. Sliding clasp fasteners. COUMAR PRODUCTS CORPORATION. Jan. 26, 1960 [Jan. 29, 1959], No. 2864/60. Class 44. A locking slider for sliding clasp fasteners comprises a body 20 having a front wing 26 and a rear wing 28 connected at one end and having inturned flanges 32, 34 so as to provide a substantially Y-shaped channel, the front wing 26 having a recess 38 at the underside thereof and a pair of spaced outstruck lugs 40, 42 overlying the recess and defining an opening 44 therebetween, a locking member 22 being seated within the recess and having a loop portion 46 extending into and substantially filling the opening between the lugs 40, 42, and a locking detent 48 normally projecting into the channel, and a pull member 24 straddling one of the lugs having trunnions 88 extending into the loop portion and movable from a locked position to an unlocked position in which the loop portion 46 is raised by the trunnions 88 against the resilient action of the locking member to retract the detent. As shown, the locking member 22 is formed from a flat bank of resilient material and is formed with wings 66, which engage recesses 50 in the body wing 26. In the locked position of the pull member, the legs 86 thereof co-operate with one of the lugs 40, 42 to limit lateral twist of the pull member. In another form, Figs. 10-12 (not shown), the pull member is recessed so that side portions thereof project above the loop portion 46 in the locking position.
Patent GB-489663-A (GB)
Title: Improvements in or relating to hydraulic rams
IPC: B61D9/02
Filed: 1937-02-01
Abstract: 489,663. Hydraulic rams ; lifting- jacks. CLAYTON DEWANDRE CO., Ltd., CALLA, W. M., and WILLETT, S. E. Feb. 1, 1937, No. 2905. [Class 69 (ii)] [Also in Groups XXX and XXXII] A hydraulic ram wherein an escape valve is adapted to be opened automatically when the ram reaches the end of its outward stroke is arranged so that the excess pressure fluid passes through a passage leading from the front of the piston to an annular space formed behind it, the outlet being at the outer end of the cylinder and controlled by a valve in the piston. A telescopic hydraulic ram for use in tipping bodies of motor vehicles is mounted on trunnions 2, 3 and consists of a central ram 5 and piston 8 in a cylinder 4 having at its lower end a piston 6 movable within an outer cylinder 1 carried by the trunnions. Supply of fluid is by the hollow trunnion 2 and pipe 10 and the exhaust is by way of telescopic tubes 24, 26 with ports 29 leading to the other trunnion 3. The piston 8 of the ram proper carries a ball valve 14 which is disposed beneath a projection 17 on a cross bar 19 and when the piston is at the outward end of its stroke the bar 19 contacts with the end of a sleeve 21 fixed in the cylinder, thereby opening the valve and permitting escape of excess fluid through the passage 22 to an annular space 23 which is under valve control 25 to the inner tube 24. Fluid from 24 passes out at openings in the bottom end into the outer tube 26 and thence away through the ports 29. In order to prevent accumulations of pressure behind the second piston there is also provided a valve 27 controlling a passage 28 leading to the outer tube 26.
Patent GB-1463056-A (GB)
Title: Electric discharge lamp
IPC: H01J17/04
Filed: 1973-01-19
Abstract: 1463056 Metal-vapour lamps THORN LIGHTING Ltd 18 Jan 1974 [19 Jan 1973] 2953/73 Heading H1D [Also in Division C1] At least those portions of the internal surface of the discharge envelope or the exposed surfaces of internal components which tend to react with the gas filling of a discharge lamp are provided with a glassy coating of a metal phosphate or arsenate, the coating being deposited from a solution on heating. In an example, to a solution of anhydrous aluminium chloride in methanol is added orthophosphoric acid. The resulting liquid is injected through the exhaust tube into a discharge lamp, Fig. 1 (not shown), having a vitreous fused silica arc tube, distributed, and the surplus drained off. The resultant coating is baked at 100 C. in a vacuum for 1 hour and finally formed by baking at 400 C. for 3 minutes. Preferred phosphates and arsenates are those of aluminium, iron, chromium, titanium, vanadium and tin, but metals of atomic numbers 12, 14, 20, 21, 25, 27-32, 39-49, 56-80, 90 or 92 may be used. The term "phosphate" includes ortho-, meta-, and pyro-phosphates, together with phosphinates and phosphonates.
Patent GB-215088-A (GB)
Title: Improvements in or relating to the trimming mechanism of curved stereotype plate casting machines
IPC: B41D3/00
Filed: 1923-02-01
Abstract: 215,088. Linotype & Machinery, Ltd., and Parker, T. R. G. Feb. 1, 1923. Stereotype, casting. In a casting-machine for curved stereotype plates having a git-severing saw revoluble in a casing and axially adjustable for trimming plates of different lengths, means are provided whereby the adjustment of the saw can be effected from the outside of the casing. The saw 1 is splined on its shaft 3 between the arms of a yoke 2 which is slidable on a guide 5 in the saw casing 4 and is operable by a screw 6. An indicator 7 fixed to the. yoke passes through a slot 8 in the casing 4 and moves over a suitably marked scale 9. The yoke is locked in its various positions by a pin 13 passing through perforations 12 in a disc 11 fixed to the screw 6, and into a hole 14 in the cover 10 of the casing 4. The perforations may be marked in accordance with the corresponding marking on the scale 9.
Patent GB-1157564-A (GB)
Title: Device for Obtaining a Pre-Selected Even Tension in the Winding of Wires of Threads.
Inventor: HANNOVER HEINZ
IPC: B65H59/16
Filed: 1967-01-20
Abstract: 1,157,564. Tension devices for yarns. ELEKTRO-APPARATE-WERKE BERLINTREPTOW, VEB. 20 Jan., 1967, No. 3054/ 67. Heading D1D. A tension device for a wire or thread comprises a roller 4 rotated by the wire or thread and a cooperating friction disc 5, whose. rotation is opposed by a torsion spring 13, and which is pressed against the roller 4 by an adjustably loaded spring 8. A scale 15 and pointer 14 is provided to indicate the resistance to turning of the roller 4 and hence the tension in the wire or thread.
Patent GB-371938-A (GB)
Title: Improvements in electric potential dividers
IPC: G01R15/06
Filed: 1931-01-30
Abstract: 371,938. Current and pressure meters. BURCH, F. P., Park House, Atkinson Road, Sale, Cheshire, and ASSOCIATED ELECTRICAL INDUSTRIES, Ltd., Crown House, Aldwych, London. Jan. 30, 1931, No. 3086. [Class 37.] A potential divider with a delay cable, particularly for oscillographic measurement of voltage, is formed wholly or in part by condensers, shunt impedances being arranged at both ends of the delay cable for the purpose of preventing reflection of voltage waves. The purpose of the delay cable is to permit initiation of the time-sweeping motion before the application of the voltage to be measured to a cathode ray oscillograph. The delay cable 5 has a central cone 6 and an outer sheath 7, the former being connected to the tapping point between the high and low voltage condensers 9, 10 of the potential divider through a resistance 11 and the latter being connected to the earthed end of the high voltage supply. The output ends of the delay cable are connected to low voltage terminals 3, 4 across which a resistance 13 and capacity 14 are connected in series. The values of the resistances 11, 13 are equal to the surge impedance of the cable 5 and equations for obtaining optimum values of the condensers 9, 10, 14 in relation to each other and the capacity of the cable 5 are given in the Specification. In a modification, Fig. 2, resistances 15, 16 are connected in series with the condensers 9, 10 respectively and the resistance 11 is omitted, its function being performed by the resistance 16, the value of which is calculated in accordance with the resistance 15 and the surge impedance of the delay cable. All resistances and capacities are proportioned to reduce distortion and to make the initial value of the output voltage at the terminals 3, 4 is equal to its final value. An equation for the resistance 16 in terms of the resistance 15 and the surge impedance of the cable 5 is given in the Specification. The Provisional Specification describes an arrangement equivalent to that shown in Fig. 1 for the measurement of variations in the field strength at the earth's surface due to weather phenomena.
Patent GB-177644-A (GB)
Title: Improvements in or relating to apparatus for playing ball games
IPC: A63F7/00
Filed: 1921-01-26
Abstract: 177,644. Stead, W., and Gledhill, A. Jan. 26, 1921. Games of chance.-An apparatus for playing ball games comprises a hopper into which balls are thrown or placed, a spout for conducting the balls from the hopper into a revolving drum furnished with recesses to receive the balls, and a brake for stopping the drum. In the form shown, the drum C is revolved automatically or otherwise, and is arrested by a brake, E, F. The recesses C<1> may be numbered consecutively and the balls may be of different colours. The hopper and spout may be partitioned to deliver the balls to a number of revolving drums. Shelves may be provided near the hopper for holding the balls and for displaying prizes.
Patent GB-1027139-A (GB)
Title: A process for improving the stability of polyolefines
IPC: C08J3/21
Filed: 1965-01-25
Abstract: The stability of a polyolefin is improved by dispersing the purified polyolefin powder in an aliphatic alcohol, admixing therewith an organic peroxide, heating, separating and then washing with the aliphatic alcohol.  In examples, methanol and ethanol, and methyl ethyl ketone peroxide and di-t-butyl peroxide are used.  The treated products are tested in compositions containing dilauryl thiodipropionate and 4,41-thio-bis-(3-Me-6-t-Bu-phenol).
Patent GB-130430-A (GB)
Title: Improvements in or relating to Control Mechanism for Aircraft and other purposes.
Inventor: GRAHAME-WHITE CLAUDE
IPC: B64C13/24
Filed: 1918-02-23
Abstract: 130,430. White, C. Grahame-, and Sidgwick, K. I. Feb. 23, 1918. Steering and balancing.-In a dual control gear for aircraft and other purposes, two wheels G, H, corresponding to the two controls, are loosely mounted on a shaft A at opposite sides of a sleeve B fixed to the shaft, and either wheel may be coupled to the sleeve by pins C, which are normally pressed into engagement with holes in the wheel G by springs D, but may be withdrawn therefrom and moved into engagement with holes in the wheel H, by means of a sliding member E connected to the pins by arms F. The member E is actuated by connexions J, K to a spring L, which may be extended by means of a lever M<1>, so as to overcome the springs D. A lever M<1> is provided adjacent the pilot, and a similar lever is arranged on the same shaft M<2> adjacent the observer, so that either can take over the control, and the shaft A is connected to the elevator controls, similar clutch devices being provided for the aileron and rudder controls, all the clutches being operated from the same levers M<1>. In a modification, the spring L is arranged within the shaft A. Worm gear and hand-wheels may replace the levers M<1>.
Patent GB-775740-A (GB)
Title: Improvements in or relating to torsion bar front suspension for motor vehicles
IPC: B60G21/055
Filed: 1956-02-02
Abstract: 775,740. Spring suspensions; torsion rods. FORD MOTOR CO., Ltd. Feb. 2, 1956 [Feb. 7, 1955], No. 3293/56. Classes 108(2) and 108(3). An independent suspension for front road wheels 50 of a motor vehicle comprises a suspension arm 38 for each wheel, the two arms being pivotally mounted upon the vehicle frame for rotation about a common transverse axis 60 and having hubs 36 which are hollow and accommodate a pair of torsion bars 84, 86 extending across the vehicle frame and through the hubs of the suspension arms on opposite sides thereof, each of the torsion bars being radially offset with respect to the axis of rotation 60 of the suspension arms, and being arranged so that one end of a bar, at each side is anchored to the vehicle frame while the opposite end thereof is connected to the respective suspension arm for rotation therewith as a unit. As shown, brackets 16 and 18 provided at each side of the vehicle frame, are secured on a transverse tubular frame member 14 and are provided with bores 26 in which are journalled, with the interposition of rubber bushes 28, the hubs 36 of the suspension arms 38. Each hub 36 is formed at its outer end with a flange 62, to one side of which is splined one end of one torsion rod and on the other side of which is formed on opening 66 for the other torsion rod, the adjacent end of which is splined to a bushing 78 rotatable in a boss 74 formed on a cover plate 68 which is secured to the outboard side of each bracket 16. Each of the respective bushings 78 is formed integrally with a lever arm 80 the free end of which bears upon an adjustable bolt 89 attached to the bracket 16 by which the angular position of the arm 80 may be adjusted. The free end of each suspension arm 38 is ball-jointed to a wheel spindle 44 which also carries the lower end of a tubular shock absorber strut 56 pivotally connected at its upper end to a vehicle frame member 58.
Patent GB-1173665-A (GB)
Title: Improvements relating to Cavity or Elevated Floors.
Inventor: HARVEY MARTIN ANTHONY
IPC: E04F15/024
Filed: 1967-01-23
Abstract: 1,173,665. Elevated floors. M. A. HARVEY. 23 April, 1968 [23 Jan., 1967], No. 3321/67. Heading E1W. Elevated flooring panels 2 are supported by T-beams 1 having webs with slots near their ends for engagement over the open upper ends of tubular props 8. The flanges of the T-beams may be mitred so that the adjacent beams may extend in contiguous relation over the props. A sealing strip 13 may' be fitted over each beam. One or more adjusting bolts may be screwed through the base of each prop to engage the sub floor to adjust the prop towards a vertical position.
Patent GB-676081-A (GB)
Title: A key identifying attachment for accounting and like machines
IPC: G06F3/023
Filed: 1951-02-12
Abstract: 676,081. Calculating-apparatus. NATIONAL CASH REGISTER CO. Feb. 12, 1951 [Feb. 16, 1950], No. 3334/51. Class 106 (i). A key-identifying attachment for use with an accounting or similar machine comprises an elastic opaque cover which can be detachably secured to the machine so as to conceal one or more rows of keys, said cover having indiciabearing areas in positions corresponding to the tops of the keys which it overlies, whereby any key may be depressed by the application of manual pressure to the overlying indicia bearing area of the cover. The invention is described as a cover for two rows of keys of an accounting- machine and comprises a cover 20, Fig. 1, having two rows of indicia-bearing areas 21 between slits 26. The cover 20 is attached by a bar 34 to a plate 30 slotted at 37 for attachment to the frame of an accounting-machine by screws so that the indicia areas overlie the tops of the keys. Any key may be depressed by digital pressure on the overlying indicia area which then assumes the shape shown in Fig. 4. In use, the cover is attached to a machine when it is desired to use the machine for operations to which the original key captions 22 are inapplicable. The cover need not be slit between the indicia areas in which case the depressed area assumes the shape shown in Fig. 6. The cover may be attached to the frame of the machine by means of a spring clip instead of by screws, Fig. 7 (not shown). Specifications 605,926, 610,374 and 610,400 are referred to.
Patent GB-1076234-A (GB)
Title: Improvements in or relating to method and apparatus for dyeing individual textile strands
IPC: D06B11/00
Filed: 1966-01-25
Abstract: A method of dyeing textile strands comprises moving the strands longitudinally past a plurality of sources of dye and simultaneously effecting relative lateral movement between the strands and the dye sources whilst applying dye from the sources. Apparatus, Fig. 1 (not shown), for performing the method comprises a support surface (64) for the strands, which are spread into a single flat sheet, the lateral position of which is varied by means of a reciprocating comb (36), and a plurality of engraved applicator rollers (98).  The engraved portion of each roller is laterally displaced in relation to the preceding and succeeding rollers, and each roller (98) is biassed towards the support surface (64).  In the preferred embodiment, the support surface is constituted by an endless resilient belt.  A lateral reciprocating motion may be imparted to the belt to assist the random or repetitive application of a multiplicity of colours to the filaments of the strands.  Subsequent to dyeing, the strands are passed through a steam chamber to set the dye, washed, oiled, dried and finally rewound.  During the rewinding of the textile strands, a twist is imparted to the strands to prevent filament p  separation.
Patent GB-130648-A (GB)
Title: Improvements in or relating to Respirators.
Inventor: MOODY ARTHUR ROWLEY
IPC: A62B18/00
Filed: 1918-02-27
Abstract: 130,648. Moody, A. R. Feb. 27, 1918. Respirators.-In apparatus comprising a metal breathing chamber A provided with a pneumatic cushion A<1> and a chemical-container or filtering- chamber B, the diaphragm B<1> separating the parts A, B is inclined so that openings B<3>, B<2> formed in opposite sides of the container B are situated inside and outside the chamber A, the openings serving for inspiration and expiration respectively. Valves for the openings are constituted by rubber strips or bands C, C' covering the apertures. The end of the container may be closed by a perforated lid B<4> sprung into position.
Patent GB-1193373-A (GB)
Title: Improvements in and relating to Electronic Devices
IPC: H01L21/60
Filed: 1968-01-23
Abstract: 1,193,373. Semi-conductor devices. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 23 Jan., 1968 [26 Jan., 1967], No. 3516/68. Heading H1K. [Also in Division C7] Electrical contact to an electronic device such as a diode, transistor, or integrated circuit is made by evaporating a layer of aluminium on to the surface of the device, by forming a layer of elementary nickel on at least parts of the aluminium layer (by evaporation, by atomizing techniques, or by vapour deposition), and by electrodepositing metal on to at least part of the nickel layer. In the embodiment, aluminium is deposited over a silicon oxide or silicon oxide-boron oxide film, aluminium is etched away except from the vicinity of holes exposing the emitter and base region of a transistor, and the remaining aluminium is alloyed into the semi-conductor. An overall coating of aluminium is then applied followed by an overall evaporated nickel coating (obtained by passing a heating current through a nickel filament). The nickel layer is selectively etched to form a desired contact pattern and copper then electroplated on to selected parts of the nickel pattern to form raised areas for flip-chip bonding. The structure is completed by etching away that part of the aluminium layer which is not covered by nickel. Etchant compositions are disclosed for selective removal of one or both of aluminium and nickel from silicon oxide.
Patent GB-126265-A (GB)
Title: Improvements in and relating to Filter Presses and the like.
Inventor: MILLER JAMES
IPC: B01D25/19
Filed: 1919-02-13
Abstract: 126,265. Miller, J., and Fletcher & Co., G. Feb. 13, 1919. Filter-presses.-Means for applying a preliminary closing pressure to the plates of a filterpress are pivoted on the means for applying a final pressure, so that they can be swung readily into and out of position. As shown, the preliminary pressure is applied to the follower 8 by means of a nut 9 on a spindle 10 hinged at the rear to a. hydraulic plunger by means of a pivotal bolt carrying counterweighted operating levers at either end. The spindle 10 can thus be thrown into a vertical position as shown bv dotted lines. The final pressure is applied by means of the hydraulic plunger. Mechanical means may be substituted for the hydraulic ram and cylinder.
Patent GB-1124973-A (GB)
Title: Alpha-indolyl-aliphatic acid amides
Inventor: SHEN TSUNG-YING
IPC: C07D209/26
Filed: 1965-12-29
Abstract: Novel compounds of the formula <FORM:1124973/C2/1> wherein A, R2, R8, R4, R5, R3 and R13 are as defined in Specification 1,124,972, and M is amino, alkylamino, dialkylamino, alkenylamino, aralkylamino, N - alkyl - N - aralkylamino, anilino, haloanilino, alkoxyanilino, piperidino, pyrrolidino, morpholino, alkylpiperazinyl, N-phenyl - piperazino, 1 - (b  - hydroxyethyl)-piperazino, N - [b  - (N - alkyl - pyrrolidino)]-N - alkyl - amino, N - [b  - (N - alkyl - piperidino)] - N - alkyl - amino, tetrahydrofurfurylamino, N - carbobenzyloxy - N - alkyl - amino, 1,2,5,6 - tetrahydropyridino, D - glycosylamino, N - (N1,N1 - dialkylcarboxamido)-N - methylamino, N - methyl - 3 - aminopiperidino, N - methyl - 3 - amino - pyrrolidino, b - ethoxyethylamino or di - (b  -ethoxyethyl)-amino, and acid-addition salts thereof are prepared from the corresponding free acids (via their halides) and the appropriate amines, or by methods analogous to those described in Specification 1,124,972, for the preparation of the free acids.  On reaction with nitrous acid the amides are reconverted to the free acids.  The indole derivatives of the invention, which are stated to be anti-inflammatory agents, may be incorporated in pharmaceutical compositions for oral administration.
Patent GB-657284-A (GB)
Title: An improved releasable attachment
IPC: A47B91/08
Filed: 1949-02-09
Abstract: 657,284. Stud and socket fastenings. VICKERS-ARMSTRONGS, Ltd., and BURNARD, L. G. Feb. 9, 1949, No. 3543. [Class 44] In a fastening of the kind in which a stud 13 is passed through an aperture 101 in a lock plate 10 and secured by a slider 11 engaging a circumferential groove 131 in the end of the stud, the slider is actuated by a lever 12 pivotally connected thereto and acted upon by a toggle spring adapted to retain it in the locked or unlocked positions. Side cheeks 102 of the plate 10 provide a guide for the slider 11 which is of channel section and formed in the bottom with a keyhole opening 112 adapted to engage or disengage the groove 131. The lever is mounted on a pin 16 passing between the cheeks 102 and is formed with jaws 121 embracing a cross pin 17 on the slider. The spring 18 is coiled round a roller 14 at one end of the slider and rests on a roller 15 at the other end.