baber/WOPTO huggingface dataset:
Patent GB-983199-A (GB)
Title: Template-following machine-tool control system
IPC: B23Q35/128
Filed: 1963-10-15
Abstract: 983,199. Photo-electric edge followers. CANADIAN WESTINGHOUSE CO. Ltd. Oct. 15, 1963 [Dec. 10, 1962], No. 40632/63. Heading G1A. [Also in Division G3] A system for positioning a photo-responsive device with respect to a line on a drawing is so modified that the system can be optionally switched to follow an edge of a silhouette. As shown a photo-cell 3, scanning a pattern at 60 c.p.s., produces when scanning a line a 120 c.p.s. signal on a 60 c.p.s. error signal which are applied to a filter which only passes the error signal, through position 14. 3 of a mode selector switch 14 and amplifier 15, to a winding 16 of a servomotor 20, having a quadrature reference winding 19. The motor steers the photo-cell in response to the error signal in a direction tending to reduce the position error to zero. A 60 c.p.s. reference signal is passed through a transformer 7 on a phase-selecting switch 8, ganged with switch 14, to a reference control 10 whereby the reference signal is adjusted in amplitude by a potentiometer 11. In switch position 14- 11 the reference signal is adjusted to produce a signal opposite in phase and equal in amplitude to the error signal produced when the photo-cell 3 is tracing slightly in the black of a silhouette. The signals are combined in a device 12 and the resultant signal, after inversion in device 13, is applied to the winding 16 to cause the motor 20 to steer the photo-cell along the edge of the silhouette. The ganged switches 8, 14 provide various modes of operation, positions 1, 2 being inside and outside a silhouette, respectively, in a clockwise direction; position 3a line-tracer; positions 4, 5 outside and inside a silhouette respectively, in an anti-clockwise direction. Contacts 9A co-operate with an arrangement for stopping the operation when the system is no longer following a pattern. Specification 885,026 is referred to.
Patent GB-1057126-A (GB)
Title: Improvements in or relating to self-adhesive labels
Inventor: HEWETT WALTER GEORGE
IPC: G09F3/02
Filed: 1963-10-15
Abstract: 1,057,126. Laminates. TICKOPRES Ltd. Jan. 11, 1965 [Oct. 15, 1962], No. 40680/63. Heading B5N. [Also in Divisions B6 and B8] A label strip comprises a series of paper labels 11, (Fig. 1, not shown) coated on their undersides with a rubber latex or other pressuresensitive adhesive and mounted on a paper backing 10 which is coated with a silicone or other release agent and punched with regularly recurring single or multiple holes 12 permitting positive feed of the strip through a labelling apparatus. The strip may be made continuously by apparatus (Fig. 2, not shown), in which a paper web is coated with pressuresensitive adhesive, united with a backing web between rollers and cut, by means which does not cut the backing, into individual rectangular or rounded labels or, by removing cut-out parts, into labels spaced on the backing, the latter thereafter being formed with a regular sequence of holes or U-shaped cuts, made by punches or cutters which do not penetrate the labels.
Patent GB-1104823-A (GB)
Title: Photochromic compositions and methods for preparation thereof
IPC: C08K3/00
Filed: 1965-09-24
Abstract: A photochromic composition comprises a mixture of an organic polymer and a transition metal compound having the stoichiometric formula MXmOn(OR)p, where M is a transition metal (Ti, Zr, W, Hf, Ta, Nb, V, Cr), X is a halogen and R is either one of certain alkyl or aryl radicles or <FORM:1104823/C4-C5/1> where R1 is one of certain alkyl or aryl radicles; m, p are 0-6, but at least one is 1 or more, and n is 0-2; at least trace amounts of free or combined oxygen must be present in addition to the compound.  The preferred polymer is polymethylmethacrylate but many others including polystyrenes, polyamides and polyurethanes are mentioned as suitable.  Typical transition metal compounds among many are WCl6, NbCl5, VO2Br, HfI3(OC6H5).  A solvent such as dioxane or ethyl acetate (but not water) may be added and also a bleaching addition consisting of a metal salt of (e.g. the chloride) Fe, Tl, Mn, Ce, Rh, Ir, typically at 5% of the transition compound; the additional oxygen may be present in either the solvent or the catalyst.  127 examples are given.  The compositions may be used for example in window panes, wind-screens, sunglasses, memory devices and optical masks.
Patent GB-1000274-A (GB)
Title: Improvements in and relating to control systems for dynamo-electric machines
Inventor: FIEBIG EDMUND
IPC: B65H23/06
Filed: 1961-11-15
Abstract: 1,000,274. Control of D.C. motors. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. Nov. 15, 1961, No. 40889/61. Heading H2J. [Also in Division G3] In a Ward-Leonard system a generator 1, supplying a motor, not shown, has a field winding 3 excited from an amplidyne generator 5. The amplidyne generator has a basic exciting coil 10, an assisting control coil 12 and an opposing control coil 9. The control coil 9 is energized from a magnetic amplifier 6 responsive to a reference current in a coil 8 and the current in the circuit formed by the armatures of the motor and generator, in a coil 7. The control coil 12 is energized from a magnetic amplifier 11 responsive to the difference between a current in a coil 16, dependent on the generated voltage, and a current in a coil 13, dependent on the voltage of a tachogenerator 14 driven at a speed corresponding to that of a material being fed by a reel driven by the motor. During initial motoring, the output from amplifier 11 exceeds that of amplifier 6. When the speed of the material rises to a given value, defined by the position of a slider of a potentiometer 15 connected to the tachogenerator 14, the output of the amplifier 11 is reduced below that of amplifier 6. The motor then operates as a braking generator and the reversal of the current in coil 7 increases the output of the amplifier 6 so that the energization of the field winding 3 is controlled through the amplidyne 5 so as to maintain the braking current constant. It is stated that the voltage and current responsive arrangements can be replaced by a control responsive to reel-torque or tension on the material.
Patent GB-1373986-A (GB)
Title: Electrical connector
IPC: H01R12/71
Filed: 1972-09-05
Abstract: 1373986 Latches AMP INC 5 Sept 1972 [6 Oct 1971] 41052/72 Heading E2A [Also in Division H2] Thin necks 110 integrally connect a latch 108 to an injection-moulded body 6' and act as both pivots and return springs. Hooked nose 112 engages a shoulder 104 of a dog 102. A hinge pin 106 fits recesses 100 in arms 98.
Patent GB-921942-A (GB)
Title: Improvements relating to methods of making articles of resin-impregnated material and particularly hollow bodies
Inventor: LANT THOMAS PAUL RICHARD
IPC: B29C53/56
Filed: 1960-11-30
Abstract: 921,942. Seaming non-metallic sheet material. DE HAVILLAND AIRCRAFT CO. Ltd. Nov. 22, 1961 [Nov. 30, 1960], No. 41100/60. Class 42(1). [Also in Group XXVIII] Sheets of resin-impregnated material, e.g. felted asbestos impregnated with semi-cured phenolic resin or a silicone, polyester or epoxy resin, have overlapped portions clamped together and heated to cure the resin, the non- overlapped portions not being under pressure.
Patent GB-1493396-A (GB)
Title: Self adhesive characters
IPC: G03F1/90
Filed: 1975-09-18
Abstract: 1493396 Signs QUIK STIK INTERNATIONALE Ltd 18 Sept 1975 [24 Sept 1974] 41475/74 Heading G5C [Also in Division B6] A self-adhesive character has a three part backing comprising an upper portion 5, lower portion 7 and intermediate portion 6 which is removed first so that the character can be registered against a datum.
Patent GB-1532567-A (GB)
Title: Sewing machine material preassembly system
IPC: D05B33/00
Filed: 1976-10-06
Abstract: 1532567 Merging sheets CLUETT PEABODY & CO Inc 6 Oct 1976 [6 Oct 1975] 41492/76 Heading B8R [Also in Divisions D1 and B5] Garment blanks are fed by belt conveyers 41 and 42, 43 respectively along convergent paths on tables 24, 12 into superposed relationship, the edges of the blanks being folded by respective means 19, 18 along the paths, and the conveyers co-operate to advance the superposed blank assemblies to a sewing station 13. A continuous liner tape 23 may be fed between the blanks by rollers 70 which also advance the sewn assemblies to a cutting station 15. A pneumatic clamp 142 holds each upper blank until a photoelectric sensor 160, 162 detects the edge of the associated lower blank, thus ensuring synchronism therebetween.
Patent GB-868425-A (GB)
Title: Improvements in and relating to machines for treating open width textile fabrics with liquids
IPC: D06B3/20
Filed: 1958-12-30
Abstract: <PICT:0868425/IV(c)/1> In a machine wherein textile fabrics in open width are passed through a tank or a series of tanks containing treating liquid, travelling in a sinuous path over and under rollers rotatably mounted in fixed axial positions at the top and bottom of the tank respectively, a pair of frames is mounted at opposite sides of the tank for reciprocation by an eccentric or other means, there being transverse members connecting the frames and extending across the tank so as to engage with and deflect the fabric in the treating liquid.  As shown tank 10 is provided with rollers 11, 12 in fixed axial positions.  Accommodated in bearings 16 is bar 17 which may be reciprocated since it is connected by pin 18, and rod 19 to eccentric 20.  Frames 22 are secured to bar 17 such that transverse members 24 connecting frames 22 engage and deflect fabric 13 when bar 17 is reciprocated.  The transverse members 24 may be in the form of rods, bars or rollers, and may be mounted on frames 22 in vertical pairs such that an immersed length of fabric is engaged by only one of the members at a time.  Each transverse member 24 may be bent to give it a smooth outward curve in the direction of its fabric engaging surface.
Patent GB-930887-A (GB)
Title: Amphibious caravan
IPC: B63B35/73
Filed: 1961-11-23
Abstract: 930,887. Amphibious caravans. A. B. FRANKS. Nov. 23, 1961 [Nov. 24, 1960], No. 41995/61. Class 113. An amphibious caravan mounted on wheels has buoyancy units 1 connected thereto by posts 7 in such manner as to enable the buoyancy units to be supported on top of the caravan, Fig. 1, for road transport and to be moved to a position, Fig. 2, to support the caravan on water. The buoyancy units comprise two flat-topped cut-water nose, pontoons made of a shell of plywood or fibre glass filled with a foamed or expanded synthetic resin.
Patent GB-1386208-A (GB)
Title: Process and a device for writing by means of a jet of ink
IPC: G06K15/10
Filed: 1973-09-07
Abstract: 1386208 Printers PAILLARD SA 7 Sept 1973 [12 Sept 1972] 42086/73 Heading G4H In an ink-drop printer, abrupt variations in a deflection voltage applied across deflection electrodes 6a, 6b to deflect the ink drops are arranged to occur when no drop is between the electrodes. In the drawing, a D.C. generator 7 produces an electric field between a nozzle 1 and an annular electrode 4 to extract and accelerate the drops 3. As each drop leaves the nozzle 1, the slight change in potential of the nozzle is detected by a differential amplifier 8 via capacitor C1, the other input of the amplifier being provided to eliminate the effect of stray voltages. The pulses from amplifier 8 (one per drop) are shaped in a Schmitt trigger 9, delayed 10 and applied to a short-duration monostable 11 which permits a flip-flop 12 to pass a deflection order from 13 via an amplifier 14 to the electrodes 6a, 6b. As modifications, the drops may be detected photo-electrically, or their production may be indicated by the phase of a vibrator used for triggering delivery of the drops.
Patent GB-1284887-A (GB)
Title: A method and apparatus for forming an image by electrophotography
Inventor: OGAWA MASAYA
IPC: G03G15/04
Filed: 1969-08-25
Abstract: 1284887 Electro-photographic processes MINOLTA CAMERA K K 25 Aug 1969 [28 Aug 1968] 42317/69 Heading G2H A photo-conductive element 1 is charged at 2, uniformly illuminated at 3 until its decay characteristic steepens, and then imagewise exposed at 5.
Patent GB-1204315-A (GB)
Title: Tracing apparatus
Inventor: WALTERS JOHN ANTHONY
IPC: G06K11/02
Filed: 1966-09-26
Abstract: 1,204,315. Photo-electric line follower. BRITISH OXYGEN CO. Ltd. Sept.12, 1967 [Sept.26, 1966], No.42819/66. Heading G1A. A photo-electric line, or boundary, follower is moved along a line by a co-ordinate drive system in response to signals emitted by two photo-cells positioned one after the other to view different portions of the line and each traversely scanning the line repeatedly. For following a line the photocells are mounted in a rotatable head with one photo-cell positioned upon the centre of rotation and the other ahead of it and known as the steering photo-cell. If the transverse scans become misaligned with the line the steering photo-cell generates a signal out of phase with a reference signal which rotates the head to turn the scan relative to the line and also to rotate the rotar of a synchorous resolver. One winding of the rotor is fed with the signal from the other photo-cell and a second winding with reference A.C. Control voltages are taken from 90 degrees phased stator windings to X and X motors of the co-ordinate drive system, whereupon the head is driven back in the direction of the line and on reaching it realigns itself. If a boundary between light and dark regions is being followed a pair of photo-cells replace each of the previous ones each pair being arranged side by side and their outputs fed to a differential amplifier. To scan the line each photo-cell or each pair may be mounted upon an oscillating rod as described in Specification 1,104, 578 or an image of the line may be scanned optically across the photocells.
Patent GB-1480121-A (GB)
Title: Method of folding and more particularly making up shirts or similar garments
IPC: B65D85/18
Filed: 1974-10-02
Abstract: 1480121 Packaging shirts M KANNEGIESSER 2 Oct 1974 [10 Nov 1973] 42829/74 Heading B8C In a mechanical process of folding a shirt the shirt is longitudinally folded around a cardboard insert, a first clip is mechanically slipped over two longitudinally folded lateral shoulder parts of the shirt with inclusion of the insert, and the shirt is then traversely folded to bring a bottom part up to the shoulder part and two more clips are slipped over the bottom and shoulder parts but not over the insert. The first clip is located through a hole in the insert which may have further holes to aid removal of the insert singularly from a stack. The clips may be constructed as in Specification 1,480,122.
Patent GB-1340231-A (GB)
Title: Tachogenerators
IPC: B60T8/32
Filed: 1971-09-15
Abstract: 1340231 Dynamo-electric machines DAIMLER-BENZ AG 15 Sept 1971 [17 Sept 1970] 43013/71 Heading H2A The ends of the winding 12 of a tachogenerator are joined to intermediate members 21, 22, connected to terminals, in such a way as to relieve the joints of tensile stress. As disclosed, the winding ends 19 are located in one or two grooves 18 in a part 11 of the tachogenerator, the intermediate members, i.e. tags 21, 22, being connected to terminals of a coaxial plug 14. The ends of the tags are bent over (best depicted in Fig. 2, not shown) and the winding ends are coiled round the bent ends and soldered thereto. A plastics disc provides insulation for the joints. The edges (26) of the disc are rounded to prevent chafing of the winding ends. The tachogenerator is intended for use in motor vehicles.
Patent GB-1182260-A (GB)
Title: Separation of Phenolic Compounds from Reaction Mixtures.
Inventor: MOSS WILLIAM HENRY
IPC: C07C37/68
Filed: 1966-09-27
Abstract: 1,182,260. Phenolic compounds; separation from condensation products. WILLIAM H. MOSS RESEARCH Ltd. 22 Dec., 1967 [27 Sept., 1966], No. 43090/66. Heading B1B. [Also in Divisions C2 and C3] Phenolic compounds are separated from mixtures obtained by the condensation of phenol or a cresol with formaldehyde, by submitting the mixture to distillation, and passing steam through the mixture during at least the latter part of the distillation. In an example, phenol is heated with aqueous formaldehyde, under reflux, and in the presence of a small proportion of zinc oxide. The zinc oxide is separated from the liquid reaction product, and the clear liquid is heated to 190‹C. to distil off water, formaldehyde and some of the phenol. The temperature is then raised to 300‹C. to distil off pure phenol. The residual liquid is kept at 280‹-310‹C. for 25 minutes, and then cooled to 200‹C. Live steam is then blown into it, and distillation is established at 170‹C. The distillate separates into a water layer and a phenol layer. The liquid temperature is gradually raised to 250‹C., and the distillate now comprises 2,2<SP>1</SP>-dihydroxydiphenyl-methane. The temperature is then raised to 310‹C. yielding an oily distillate which on standing gives colourless crystals of 2,6-bis-(2-hydroxy-benzyl)-phenol. The liquid distillation residue, when cooled, solidified to a yellow resin of average molecular weight 550. Other examples relate to the production of 2,4<SP>1</SP>-and 4,4<SP>1</SP>-dihydroxy-diphenyl-methanes, and of bis(2-hydroxy-3-methylphenyl)methane.
Patent GB-915543-A (GB)
Title: Attachment means for draught excluding strips, beadings, mouldings or the like
Inventor: BRIGHT ROBERT GEORGE
IPC: F16B5/12
Filed: 1960-12-15
Abstract: 915,543. Spring clips. BRITISH MANUFACTURING CO. Ltd. Oct. 11, 1961 [Dec. 15, 1960], No. 43243/60. Class 44. A clip for retaining a draught excluder 8 on a supporting flange 5 is produced from a strip of steel, aluminium or like material by stamping or pressing to form a series of inverted U-shaped portions 1 connected by and extending at rightangles from narrow marginal parts 2. The portions 1 are formed with tangs 4 which perforate the draught excluder 8 to frictionally engage the flange. The upper ends of the portions 1 may be bent over at right-angles and the parts 2 may be slotted at intervals to facilitate bending the clip.
Patent GB-922407-A (GB)
Title: Electric battery
Inventor: VIVIAN PETER GRAHAM LINNEY
IPC: H01M6/34
Filed: 1959-12-21
Abstract: 922,407. Electric batteries. ULTRA ELECTRONICS Ltd. Dec. 20, 1960 [Dec. 21, 1959], No. 43376/59. Class 53. An 80-mesh copper gauze is dipped into a melt of cuprous chloride to form an electrode particularly for a deferred-action battery.
Patent GB-1515519-A (GB)
Title: Jacketed vessels
IPC: F28D1/06
Filed: 1975-10-22
Abstract: 1515519 Jacketed vessel for heat exchange SYBRON CORP 22 Oct 1975 [24 Oct 1974] 43388/75 Heading B1X [Also in Division F4] A jacketed vessel 1, such as a chemical reactor, comprises an enclosed chamber 2, 3, 4 surrounded by a jacket 5 having an inlet 10 and an outlet 11 for a heat exchange medium. Between the chamber and jacket there is a helical strip 13 welded to the jacket, a helical wall 15 welded to the chamber wall 2, and a cylindrical wall 16, Fig. 3, tightly surrounding the helical wall 15. The cylindrical wall is welded to an annular plate 17 which is welded to the jacket. In use the heat exchange medium is constrained by the helical and cylindrical walls 15 and 16 to follow a helical path adjacent the chamber wall 2, there being a substantially non-flowing body of the medium in the space above the annular plate 17 between the cylindrical wall 16 and the jacket 5.
Patent GB-1058109-A (GB)
Title: Overload relay mechanism
IPC: H01H73/30
Filed: 1964-10-26
Abstract: 1,058,109. Electrically released switches. SQUARE D CO. Oct. 26, 1964 [Dec. 4, 1963], No. 43478/64. Heading H2B. A thermal relay has a moulded case with a plurality of compartments 40 each containing a melting solder type overcurrent releasing device 40c; a bar (62) vertically slidable and rotatable in the casing and having arms 62a extending into each compartment to engage plungers 72a associated with each releasing device; a changeover snap-action switch 46 in a separate moulded casing operated by a further arm 62e of the bar 62; and a reset plunger 112 engageable with another arm 62f. Normally the bar (62) is biased anticlockwise by a light spring (68) (Fig. 10, not shown) and plungers 72a are held down against strong springs 74a by pawls 82a engaging with ratchet wheels 40d. Upon overcurrent in any heater conductor (55) the solder melts allowing a ratchet to turn to release the respective pawl when the plunger 72a rises to drive bar (62) clockwise to operate the switch 46. The relay is reset by depressing plunger 112 which drives bar (62) together with plungers 72a to reset the pawl and ratchet devices. The switch is returned to its initial condition when plunger 112 is released. The pawl (82b), plunger (72b) and spring (74b) of the centre phase may be omitted if the relay is to be responsive to overcurrent in two phases only and can be inserted later when required through an opening (170) and retained by a removable member (78) (Figs. 3, 5, 13, not shown).
Patent GB-1399630-A (GB)
Title: Framed pictures
IPC: A47G1/06
Filed: 1972-09-20
Abstract: 1399630 Pictures PARNALL & SONS Ltd 4 Sept 1973 [20 Sept 1972] 43524/72 Headings A4U and A4X [Also in Division B6] A framed member comprises a backing panel 1 bearing a picture, mirror, notice, advertisement or plaque on a central area of the front face of the panel and a frame 5 formed integrally of plastics material shaped to provide a hollow-section rim 6 and having flanges 7, 8 adhered to the panel 1. The panel may be a card and have a picture printed directly on to it and it may be provided with hanging apertures 4 opening into the hollow frame. The frame may be formed from a plastics sheet by a vacuum or pressure forming process, a central area of the sheet being removed by punching. The frame and the panel are assembled in a jig while heat and pressure are applied in a press to bond the flanges 7, 8 to the panel, an adhesive having been previously applied to the panel. The frame may be circular or oval and it may be glazed. The printed card panel may be varnished at or after the printing stage.
Patent GB-1393878-A (GB)
Title: Vehicle steering systems
IPC: B62D1/16
Filed: 1971-09-20
Abstract: 1393878 Steering vehicles CAM GEARS Ltd 13 Sept 1972 [20 Sept 1971] 43640/71 Heading B7H A method of providing or augmenting "feel" in a steering system (and also providing a degree of self-centering action) comprises coupling resilient means between a fixed component and a rotatable component (e.g. the steering column 1) which provides a progressive resistance to rotation of the rotatable component from its neutral or "straight-ahead" position. In a first embodiment (Fig. 1) a cord 8 is secured at one end to the steering column 1 by passing it through hole 7 and knotting it at 9. The cord 8 passes through bush 10, over roller 12 and through bush 13 and is secured at its other end to a helical spring 15 located in a tube 14 fixed to the steering column tube 4. The opposite end of spring 15 is attached to a cord 16 which is anchored in plunger 17. In use, when the steering column 1 is in its neutral position the cord 8 extends radially from the column 1 as shown, and when the column 1 is rotated the cord 8 is wrapped around the column 8 to stretch spring 15 and provide a progressive resistance to rotation. The cord 16 is anchored by a spring loaded plunger 17 which has a split conical end 17b which nips the cord 16. By relieving the spring loading on plunger 17 the cord 16 may be pulled by ring 16a to adjust the location of the anchor point on cord 16 and so pre-load the spring 15. In a modification (not shown) the spring 15 is replaced by a spiral volute spring whose outer end is attached to cord 8 and whose inner end is fixed to an anchor peg. The peg may be moved longitudinally or rotated to pre-load the spiral spring.