baber/WOPTO huggingface dataset:
Patent GB-673913-A (GB)
Title: Improvements in or relating to envelopes
IPC: B65D27/38
Filed: 1950-01-02
Abstract: 673,913. Envelopes. ERPENBACH, R. O. SCHIMTZ.- Jan. 2, 1950 [April 11, 1949], No. 24699/49. Class 146 (ii). An envelope 1 has a thread 2 for opening purposes and a part adjacent to the line of severance perforated or weakened at 4 to form a portion 3 of the envelope on which the name and address of the sender may be written and removed after the envelope is opened. This portion may be gummed on the back for re-use as an address label. There may be a tab 5 inscribed with another address or advertising matter attached to the thread.
Patent GB-1133868-A (GB)
Title: Cathode ray tube manufacture
IPC: H01J29/07
Filed: 1966-06-02
Abstract: 1,133,868. Colour television tubes. RADIO COPORATION OF AMERICA. 2 June, 1966 [7 Jan., 1966], No. 24701/66. Heading H1D. [Also in Division G1]. A shadow mask electrode is assembled with respect to a cathode ray tube faceplate by measuring the spacing between the faceplate and the mask at a plurality of points distributed over the faceplate, adjusting the relative positions of the faceplate and mask until each of the measured spacings departs from the desired spacing by less than the permitted tolerance, and maintaining the faceplate and mask in that relative position by detachably fixing the mask to the faceplate. The method permits the mating of a higher proportion of mask-faceplate pairs than does the use of a fixed spacer member. The mask electrode and faceplate are mounted in a machine (Figs. 1 to 4, not shown), which permits the faceplate to be both raised against the fixed mask, and also tilted about two perpendicular axes lying in its plane - and preferably coincident with the diagonals of the faceplate, if the latter is rectangular. Before raising the faceplate, a spacer assembly is placed thereon, consisting of a thin sheet 107, Fig. 6, of fibre glass or plastics material, shaped substantially to conform to the contour of the faceplate, and having five air-operated distance gauges 109 (see Division G1) flexibly attached one to each corner and one at the centre, the gauges being connected to a liquid column pressure meter calibrated to indicate the spacings sensed by the gauges. After adjustment of the faceplate, by tilting and vertical movement, to produce spacings all lying within the permitted tolerance, the mask is detachably secured to the faceplate by welding support springs to the mask which is held by the engagement of studs on the faceplate within corresponding apertures formed one at the end of each spring. Prior to the welding, the faceplate may be displaced bodily from the mask by a predetermined distance sufficient to compensate for the change of spacing which normally results from the thermal effects of welding.
Patent GB-1419480-A (GB)
Title: Percussive drilling machine
IPC: B23B45/16
Filed: 1974-06-04
Abstract: 1419480 Rotary percussive drills ROBERT BOSCH GmbH 4 June 1974 [5 June 1973] 24761/74 Heading B3C [Also in Division B4] Percussive action in a hand-drill is achieved by a sleeve 28 rotatably fast on the drive shaft 15 of a drill and comprising one or more helically disposed ridges (or grooves) as at 34-36 which engage with falls 40 axially and rotatably fixed with respect to the machine housing. The balls 40 can pass through the gaps between the ridges 34-36 so that on rotation of the sleeve 28 it is also moved axially in a reciprocating manner. When the drill is not pressed into the work rotary motion only is achieved. A cam can be rotated manually to prevent any percussive motion during use of the drill.
Patent GB-401465-A (GB)
Title: Improvements in stockings and method of making same
IPC: A41B11/00
Filed: 1932-09-06
Abstract: 401,465. Stockings &c. KAYSER & CO., J., 353, 4th Avenue, New York, U.S.A. -(Assignees of Mutchler, A. W. ; 8500, 4th Avenue, and Leopold, A. L. ; 539, Oving- ton Avenue, both in Brooklyn, New York, U.S.A.) Sept. 6, 1932, No. 24792. Convention date, Nov. 9, 1931. [Class 141.] Stockings &c. are made from knitted fabric having rows of tight loops 18 and rows of similar but relatively loose loops 19 interspersed therewith and including at least two loose rows directly looped together. The loose work may be confined to those parts of the garment, such as the knee, where local increase of elasticity is desirable. Fig. 2 shows tight and loose formations alternated both wale-wise and course-wise.
Patent GB-885657-A (GB)
Title: Improvements in or relating to the manufacture of cast iron baths
IPC: B22D47/00
Filed: 1960-07-15
Abstract: 885,657. Foundry plant. AHLMANN, K., [trading as AHLMANN - CARLSHUTTE KOMM-GES.]. July 15, 1960 [Oct. 28, 1959], No. 24797/60. Class 83 (1). In a plant for manufacturing cast-iron bath tubs, pairs of upper and lower boxes are fed from an empty box roller conveyer C to an automatic shaking and ramming moulding plant A and advanced therefrom in interfitted relationship to a non-automatic casting and cooling conveyer B, whereafter the boxes are received by a box-discharging plant D working automatically but independently of the moulding plant, the empty boxes being then transferred in interfitted relationship to the conveyer C. At the moulding plant A, upper boxes arriving on the conveyer C are lifted from the associated lower box by a lifting device 2, Fig. 2, moved transversely by carriage 3 and clamped to the pattern plate 5. Gate patterns 6 are inserted by devices 7, the box filled from hopper 8 while vibrating, and rammed by ram 11. The patterns 6 are removed, the ram 11 lifted, gates cleaned by air blast from below, and the mould placed by the carriage 3 on to a table 12, which may be turned about an axis 13 for core placing. The box is then moved to a waiting position 14. Meanwhile the associated lower box is being moulded, being placed on the pattern plate 19 by a turn-over device 17 and rammed by a ram 25. The turn-over device places the moulded box on the lifting device 20 from which it is moved by carriage 26 to a conveyer 27 on which it is fed by carriage 28 to a turning device 29, which turns it about a vertical axis for core placing. The box then continues to the position 14 whereat it is moved upwardly to mate with the upper box, and the pair is then moved to the conveyer B. The moulds on the conveyer are clamped to one another and paired at station 32, the holding ladle moving from mould to mould and pouring through two measuring ladles. The boxes are then unclamped and passage in succession to the discharge plant D. The upper box is lifted from the lower by a device 33, Fig. 3, and moves transversely across a shake-out table 35 to a verticallymovable device 37 above the conveyer C. The lower box travels on, the gates being knocked away by hammers 39, to an extractor 38, whereat the cast bath is lifted by pins 40 and gripped by a conveyer 41 and placed on a vibrating conveyer 41 leading to a clearing station. The lower box travels via a shake-out table 43 to the conveyer C, whereat the upper box is placed on it by the device 37, and the pair returns again to the moulding plant. Conveyers E, F adjacent the conveyer C are storage tracks on which casting boxes of different size may be kept.
Patent GB-638676-A (GB)
Title: Improvements in and relating to the manufacture of carbon bisulphide
IPC: C01B31/26
Filed: 1947-09-10
Abstract: Carbon bisulphide is made by contacting sulphur vapour at a temperature exceeding 550 DEG  C. with carbon produced by the process of Specification 638,700 in which carbon, produced by carbonization of solid carbonaceous materials, is subjected to the action of sulphur vapour between 450 DEG  and 550 DEG  C.  The activated carbon may be delivered from its source of production to a carbon bisulphide retort through a hopper through which sulphur vapour is being passed, or the carbon may be activated in a container adjacent the retort and be delivered directly thereto or it may be activated in the retort prior to carbon bisulphide production.
Patent GB-191120-A (GB)
Title: Improvements in the process of dyeing lace and other fabrics which are composed of artificial silks
IPC: D06P3/82
Filed: 1921-09-21
Abstract: Two-colour effects are obtained on lace and other fabrics composed partly of cellulose acetate artificial silk, by dyeing the acetate portion by means of a basic dye containing amino or alkyl-or aryl-amino groups which have been liberated by treatment of the dye-salt with sodium carbonate or other suitable alkali, and previously, simultaneously, or subsequently dyeing the cellulose portion another shade by means of a direct cotton dye. Liberation of the dye-base increases the affinity of the dye for the acetate silk while diminishing its affinity for the cellulose silk.  According to examples, the acetate silk is dyed with the free base of Chrysoidine R and the cellulose silk with Direct Blue 2B.  Specification 24284/07 is referred to.  The Provisional Specification describes also the dyeing of acetate silk with dyes containing free amino groups.
Patent GB-944698-A (GB)
Title: Support for displaying articles of clothing
IPC: A47F5/06
Filed: 1959-07-21
Abstract: 944,698. Display stands; garment racks. D. R. BENBOW. July 20, 1960 [July 21, 1959], No. 25044/59. Headings A4H and A4U. A rack for displaying articles of clothing e.g. socks, comprises a block 2, rotatably mounted on an upright 3 by a collar 4 and having apertures 5, and detachable supports 6 formed of wire and bent to form a hooked pivot portion 7, received in an aperture 5 and a double hairpin bend 8, 9 to grip the suspended article.
Patent GB-965958-A (GB)
Title: Electrode for electrochemical processes
IPC: C25B11/10
Filed: 1962-06-29
Abstract: <PICT:0965958/C6-C7/1> An electrode, e.g. for electrolysis of brine, and comrising a flat surface of a polarizable metal, e.g. Ti or Nb, coated with platinum or ruthenium, is formed of a number of conductors, preferably secured to a sheet of the coated metal, the conductor consisting of a core of a good conductor, e.g. copper, sheathed in titanium. Electrodes in this form provide a high density current. The sheathed conductor wires may be formed into loops arranged in a plane, without a separate sheet support of titanium, e.g. loops 15-18 forming a semicircular flat electrode, the conductors being a core of Cu sheathed in Ti coated with Pt.  Current is fed to leads 19.  The cross-section of the conductor core may be circular, rectangular, or elliptical.
Patent GB-767009-A (GB)
Title: Improvements in and relating to reflective fabrics
IPC: D06Q1/04
Filed: 1953-09-10
Abstract: 767,009. Laminated materials; metal-coated fabrics. MINNESOTA MINING & MANUFACTURING CO. Sept. 10, 1953 [Sept. 12, 1952], No. 25096/53. Class 140. A flexible reflective material, stable to organic solvents and intense infra-red radiation, comprises a fabric base, e.g. woven or unwoven cellulose, silk, wool, glass, rayon or nylon material, paper, fibrous wadding, rubberized fabric or fabric-faced rubber articles, an extremely thin, opaque, visibly continuous highly reflective metal surface layer, e.g. aluminium, silver, tin, lead or copper, formed by deposition of the metal on a smooth surfaced temporary carrier, and an intervening bonding layer comprising a thin highly flexible solvent and heatresistant film formed by heat curing a temporarily thermoplastic adhesive bonding composition of an oil-resistant rubbery polymer and a tackifying resin. In Fig. 1, a carrier film 10 is coated with metal in vacuum chamber 12 from metal vapour evolved at heated cup 15. The metallized surface of the film is coated with adhesive at rollers 17 and 18, the volatile solvent is removed at oven 21 and the adhesive activated by passing the strip over a heated drum 23. A fabric web 24 is then forced into contact with the adhesive which is cured in heating chamber 28 prior to the carrier film 10 being removed at pull drum 29 and the metallized product 31 being wound on roll 32. In modified processes, roll 11 may be unwound, film 10 metallized, and then rewound within the vacuum chamber; a roll of uncured strip may be cured in an oven and cooled to room temperature before stripping off the carrier web; the adhesive may be activated by application of an appropriate volatile organic solvent, e.g. methyl isobutyl ketone, or the fabric may be applied to a partially dry adhesive layer or to a second coating of adhesive which activates the dried initial coating. Suitable adhesive bonding compositions, which may be modified by plasticisers, pigments, tackifiers, curing agents and catalysts, contain butadiene-acrylonitrile copolymers, e.g. " Hycar OR-15 " (Registered Trade Mark), polychloroprene, butadienestyrene copolymers, e.g. " Buna-S " (Registered Trade Mark), phenol-aldehyde resins, e.g. "Bakelite 3360," "Varcum 5476," "Durez 175 " (Registered Trade Marks), and vinyl chloride-vinyl acetate copolymers, e.g. " Vinylite VYNS and VMCH " (Registered Trade Marks). Suitable carrier films may be films of terephthalic acid alkyd resin, cellulose acetobutyrate, high gloss paper or aluminium foil, coated with cellulose acetate. Specification 722,409 is referred to.
Patent GB-1426946-A (GB)
Title: Means for operating the side-windows in automobile vehicles
IPC: E05F15/16
Filed: 1973-05-25
Abstract: 1426946 Window operating appliances DUCELLIER & CIE 25 May 1973 [9 June 1972 18 April 1973] 25290/73 Heading E2M For an automobile electrically-actuated window-winding mechanism a reduction gear with provision for manual operation in the event of power failure comprises a pinion 5 driven by an electric motor (not shown) which engages a crown wheel 1 cut on the periphery of a housing 2 mounted on a shaft 3 which is fast with a pinion 4 to drive the window-winding mechanism (not shown). A guide member 6 with lateral upturned edges 6a, 6b and an end lug 6c is drivingly mounted on shaft 3 and serves as a guide for a radially-displaceable anchoring plate member 7 shaped to engage any one of a plurality of mating recesses 8, 9, 10 or 11 formed inside housing 2. The plate member 7 has an upwardly extending lug 15 which engages within a V-shape cutout 14 formed in an extension 13 on an operating member 12 coaxial with shaft 3 and within housing 2. The extension 13 is centred on lug 15 by a looped wire spring 16 centrally located on lug 6c which serves also to urge member 7 into its mating recess. In operation, with drive from pinion 5 and member 7 seated in one of the recesses 8-11, the whole mechanism rotates as a unit with housing 2. Should there be a power failure, a handle may be inserted in a square recess 17 in the end of member 12 after removal of a spring- biassed push button 18 such that rotation of the member 12 will cause lug 15 to ride in cut-out 14 and slide member 7 out of engagement with its mating recess, thereby allowing continued rotation of members 12, 7 and 6 to drive shaft 3 and operate the window winding mechanism. Another embodiment is described having a different-shape cutout 14 and with a plate spring instead of a looped wire one. The spring-biassed push button 18 may be mounted on the end of member 12 and when pushed in it will arrest member 12 by frictional engagement thereby rocking extension 13 to cause disengagement of member 7 from its recess.
Patent GB-644068-A (GB)
Title: Operating handle with position indicator for rotary electric switches
IPC: G05G1/10
Filed: 1947-09-17
Abstract: 644,068. Indicators for switches; switch handles; mechanical switches. BRUCKER, J. Sept. 17, 1947, No. 25417. Convention date, Sept. 6, 1946. [Class 38(v)] An indicating lamp is fitted in the handle 'or knob of a rotary switch to indicate its switching position, the lamp connections being arranged to that the knob may be fitted to an existing switch. In Fig. 1, the insulating knob 4 has a metal bush 3 and is fixed on the spindle 2 of a switch 1. A bayonet cap filament or glow lamp 6 is fitted in a bore 5 in the knob 4 and is covered by a glass 8 which is retained by a threaded ring 7. One contact 9 of the lamp is earthed through the bush 3 and. spindle 2, whilst the other, 10, is connected to a source of supply through a spring arm 11, studs 12 and terminals 14. A stud 12 is provided for each switch position, but that at the off position is not connected to the supply so that the lamp is not lit in this position. The member 13 carrying the studs 12 is shaped so that it may be placed or fixed on the switch casing and a cap 15 covers the terminals 14. In a modification, Figs. 2, 3 (not shown) the knob has an extension in the shape of an arrow which houses a small tubular lamp, and in other modifications a slip ring may be used instead of the studs 12 and the knob may be made of transparent material.
Patent GB-909014-A (GB)
Title: Door seal for refrigerators and the like
IPC: F25D23/08
Filed: 1960-07-21
Abstract: 909,014. Door seals. GENERAL MOTORS CORPORATION. July 21, 1960 [Aug. 12, 1959], No. 25430/60. Class 20 (3). [Also in Group XIII] A door seal for a refrigerator or the like comprises an elongated strip 12 of resilient extruded vinyl compound material of the crosssection shown, with an elongated recess housing a flexible, edge-magnetized strip magnet 20 the N and S poles of which are along opposite edges of the strip, the outer wall 18 of the recess which effects sealing contact with the door 14 having a flat surface with an outwardly projecting rib 22 along the outer edge thereof and the inner wall at the outer edge of the strip having a rib 24 to space the magnet 20 away from the wall and create a void opposite the rib 22. The rib projects from the flat surface 18 by an amount say of the order of 0.015 inch, equal to the height of the flashing formed at the mitre joint at each corner of the door seal strip, and the transverse thickness of the rib is of the same order.
Patent GB-1224399-A (GB)
Title: Pressure governing apparatus for hydraulic actuators
IPC: F15B15/22
Filed: 1968-05-28
Abstract: 1,224,399. 224, 399. Hydraulic systems. CESSNA AIRCRAFT CO. May 28, 1968 [Aug.2, 1967], No.25510/ 68. Heading F1P. A double-acting hydraulic motor is cushioned near the end of its travel in either direction by throttling the fluid discharging from the contracting chamber thereof, and utilizing the consequential pressure build-up to close a valve in the line supplying the expanding chamber. The motor may be of the linear type comprising a piston dividing a cylinder into opposed chambers. The motor 60 shown is of the rotary type having a vane 63 which divides a cylinder 61 into chambers 65, 66 which alternately act as expanding and contracting chambers, depending on the position of a change-over valve 17 fed by a pump 13 and connected to a reservoir 16. Assuming the valve 17 is set to deliver the pump output to the chamber 65 through a line 23, then the vane 63 moves in a clockwise direction expelling liquid in the chamber 66 to the reservoir 16 via openings 69 and a line 24. Near the end of the vane's travel the discharge openings 69 are successively closed by a spring loaded plate 71 and the vane is decelerated. The consequential rise in pressure in the chamber 66 is communicated through a port 88 and line 87 to a pilot piston 28L of a valve 25. When the pressure acting on the pilot piston 28L reaches a value determined by a spring 80L, a piston 74L is moved to a position closing the inlet line 23. A valve 26 identical to the valve 25 is positioned in the line 24 and operates at the end of the vane's travel in the opposite direction. It is held in the fully open position during the operation described by fluid in the line 23 acting on its piston 74R via port 100, passage 102 and port 132. Velocity control valves 49, 50 are disposed in the lines 23, 24, respectively, to prevent over-speeding of the motor by throttling the exhaust flow. Operation of the valve 50 only will be described, the valve 49 being operable in an identical manner when the motor overspeeds in the opposite direction. Over-speeding of the motor due to e.g. the inertia of a load results in the pressure in chamber 66 becoming greater than in the line 24. This pressure acts through the port 88 and a line 122 on the underside of a piston 110R of the valve 50, whereby the piston rises against the action of an adjustable spring 116R and progressively restricts the exhaust flow in the line 24. If the pressure in either chamber becomes excessive one or other of relief valves 37, 38 opens to allow fluid to flow therefrom into the other chamber or into the reservoir 16. Similarly cavitation resulting from an excessive pressure decrease in one chamber is prevented by flow from chamber to chamber.
Patent GB-1119874-A (GB)
Title: Discharge lamp-starting circuits producing high voltage pulses
Inventor: CHAPMAN DONALD FREDERICK
IPC: H05B41/04
Filed: 1966-06-08
Abstract: 1,119,874. Discharge lamp circuits. BRITISH LIGHTING INDUSTRIES Ltd. 8 June, 1967 [8 June, 1966], No. 25586/66. Heading H2H. A starting circuit for a discharge lamp 10 having a ballast choke 11 comprises a capacitor 15 charged each half cycle through an impedance 16 and discharged near the peak of each half wave by a bi-directional semi-conductor breakdown device 14 through part of a step-up autotransformer 17. In another arrangement (Fig. 2, not shown), a secondary winding (20) is used as the charging impedance and the capacitor is discharged through a coupled primary winding (19). In a further arrangement (Fig. 3, not shown), the starting pulse is produced by the charging current of the capacitor which is discharged by a leakage resistor (25). The device 14 may comprise Shockley diodes, thyristors with floating control electrodes, a Symistor, Triac or controlled A.C. switch. A capacitor may be connected in series with the choke 11 and the lamp may have heatable electrodes.
Patent GB-1062892-A (GB)
Title: Improvements relating to the synthetic testing of high-voltage electric circuit-breakers
Inventor: ELLIS NORMAN SADLER
IPC: G01R31/333
Filed: 1962-07-04
Abstract: 1,062,892. Fault testing. A. REYROLLE & CO. Ltd. Oct. 3, 1963 [July 4, 1962], No. 25694/62. Heading G1U. In a circuit breaker testing apparatus of the Weil type as described in Specification 662, 549 a test circuit breaker T (Fig. 3) is connected to a low voltage generator S of source reactance nL through auxiliary breaker A for interruption, and the test breaker is shunted by restrike capacitor Cr and by inductance L and source capacitor C s , charged to peak recovery voltage and discharged into the test breaker just prior to current zero at interruption to develop a restrike transient voltage at the contacts Fig. 4 (not shown); and the circuit is modified to simulate more closely the conditions of fault in a distributed line at a point close to the breaker Figs. 1 and 2a to 2d(not shown) by interconnecting the test breaker T and restrike capacitor Cr directly by an open circuited distributed line N 1  (Fig. 5a). The test breaker and capacitor may be interchanged Fig. 5b (not shown). Alternatively the test breaker may be interconnected with the C s GL loop and shunted by restrike capacitor Cr over open circuited distributed line N 1  (Fig. 5c) and the test breaker and capacitor may be interchanged Fig. 5d (not shown).