baber/WOPTO huggingface dataset:
Patent GB-267220-A (GB)
Title: Improvements in automatic and semi-automatic telephone systems
IPC: H04Q3/00
Filed: 1925-12-10
Abstract: 267,220. Standard Telephones & Cables, Ltd., and Hartley, G. C. Dec. 10, 1925. Automatic exchange and metering systems.- Booster battery for metering is connected up by a relav which for the remainder of the call acts as the guard relay, and is cut off by the relapse of the relay that acts as the guard relay prior to this stage. The invention is described with reference to a repeater relay group which may be used in extending calls to a manual operator and has means for giving a signal if its trunk is faulty. Establishing connection. Line relay A energizes the first guard relay B and if the trunk is non-faulty relay I pulls up in series with relay D (upper) and energizes relay OK which locks up. The digits are repeated by relay A, relay RG which is energized during each digit shunting the inductive loop I, D. Metering and normal release. When the called party replies, the polarized reversing relay D energizes the second guard relay JS which connects booster battery BST to the c-wire, unlocks relay OK and cuts off relay B which after an interval replaces the booster battery by ground at 14. When the calling party hangs up, relay A breaks the loop to release the switches ahead and an instant later relay JS releases the preceding switches. Preventing metering; release hold. If the call is to a manual board, relays D, JS are not operated, relays B, OK are not released and no metering impulse is sent. On release by the calling party, relay RG pulls up and on the relapse of relay B a circuit is made for relay JS, the release trunk remaining guarded over 13, 5 and then over 14. On the relapse of relay RG shortly after that of relay B, relay I pulls up in a circuit I, 6, 10, 18 in series with a relay which gives the clearing signal at the manual board. Relay I holds up relay JS under control of the operator. Fault and busy signals and releases. If the trunk is faulty, relay I is unable to pull up when the repeater is seized, and relay BF sends back a tone signal from NUT, lights a local iden. tifying lamp and locks itself in series with a common alarm relay over ALM. When the subscriber clears, relays A, B fall back, and relay RG energizes relay JS. Relay JS pulls up somewhat sluggishly so that the trunk is unguarded long enough to release the preceding switches. Relays RG, JS fall back in succession but the trunk is kept permanently busy by relay BF at 17. If a busy condition is encountered, relay I which is connected up by relay RG at the end of each digit, repeats the flash impulses to relay BF which repeats them back by connecting battery 11 intermittently to the lower talking wire. If release takes place during or just prior to a battery period, relay A holds up until the relay BF falls back and then relays A, B fall back and relays RG, JS pull up as in the case of release from a faulty trunk, but since relays I, BF are de-energized relay JS falls back shortly after the relapse of relay RG.
Patent GB-384054-A (GB)
Title: Improvements in or relating to electric switches or circuit breakers
IPC: H01H75/04
Filed: 1931-11-11
Abstract: 384,054. Automatic circuit-breakers ; protective cut-out arrangements. DAVIDSON, G. W., 43, Park Road, Urmston, Lancashire, and ASSOCIATED ELECTRICAL INDUSTRIES, Ltd., Crown House, Aldwych, London. Nov. 11, 1931, No. 31274. [Class 38 (v).] Weight actuation.-A circuit-breaker adapted for mounting in an elevated position for controlling overhead lines, is provided with automatic reclosing mechanism for.reconnecting the line after the passage of transient faults. A pair of rods 1, to which the contact-actuating rod is pivoted at 2, have a pivot pin 13 passing through slots 12 in brackets 11, and a further pivot pin 5 on an arm 4 that is pivoted to a crank disc 6 on a shaft 7. The rods 1 are held in the closed position shown, Fig. 1, by means of a toggle comprising a link 14 pivoted to the pin 13 and a pair of parallel links 18 pivoted to the uprights 11 at 19. An overload lifts the arm 24 of a lever pivoted at 22 and allows the toggle 14, 18 to collapse, the pin 13 dropping to the lower ends of the slots 12 while the pivot 5 remains stationary. In its descent the pin 13 rotates a lever 30, against its bias, free from an arm 29 on the shaft 7, thereby allowing the reclosing weight 25 to rotate the shaft 7, which rotation is retarded for half a turn by the engagement between a gear 32 on the shaft 7'with an escapement 34. During this half turn the disc 6 is rotated through a half turn and by means of the arm 4 rotates the rods 1 about the pivot 2 until the toggle 14, 18 is again latched up. During the subsequent half turn, the retardation is removed and the crank 6 rapidly rotates the rods 1 about the reset pivot 13 until the arm 29 again engages the lever 30 in the .closed position of the switch. Fig. 4 diagrammatically shows a modified form in which the retardation is effected by means of a dashpot 36, the valve 38 of which retards the downward movement of the piston 37 but not the upward movement. The retaining means for the toggle 18 is shown as a latch 42 and the switch is shown in the closed position by dotted lines. By varying the size of the winding drum 27 the switch can be designed for more than one reclosure.
Patent GB-1268352-A (GB)
Title: Improvements in or relating to lifting devices
Inventor: BLATCHLY HERBERT FRANK HAMILTO
IPC: B66F19/00
Filed: 1968-07-01
Abstract: 1,268,352. Lifting devices for manhole covers. POST OFFICE. 31 March, 1969 [1 July, 1968], No. 31281/68. Headings B8H and B8J. A lifting device for a manhole cover, comprises a lifting beam 1 of square section with a pair of fixed radius arms 2 carrying wheels 3. A further pair of radius arms 4 is fixed to the beam 1, a piston-rod 5 being pivotally secured thereto by a pin 6. The rod 5 is part of an hydraulic jack with a cylinder 7 having an enlarged reservoir portion 8 with a pump piston whose rod 9 is pivoted to a handle 10 itself pivoted to a lug 11 on the reservoir portion 8. A clamp 13 is slidable on the cylinder 7 and has projections 13a pivotally mounting a frame 14 consisting of rods 15 attached to a housing 16 and pivoted by pins 22 to further radius arms 22a on the beam 1. A castor wheel 20 is attached to the housing 16. Slidably mounted on the beam 1 are two sleeves 25 carrying hooks 26. Prior to use, the jack is fully retracted, Fig. 3: chain dotted lines, with the clamp 13 locked adjacent the portion 8. Lifting keys are then inserted in the manhole cover, the apparatus manoeuvred over the cover and the hooks 26, slid to suitable positions, engaged with the keys, clamp 13 being adjusted if necessary. The handle 10 is then operated to extend the jack. The beam 1 is rotated thereby about its longitudinal axis to move vertically, lifting the cover and taking up the full-line position shown in Fig. 3.
Patent GB-1038077-A (GB)
Title: Urea-formaldehyde-furfuryl alcohol-sugar compositions, foundry cores and process of making same
Inventor: THOMPSON ALFRED ROSS
IPC: B22C1/22
Filed: 1963-08-08
Abstract: A binder composition comprises (1) a reducing sugar and/or a sugar which hydrolyses to form a reducing sugar, (2) a mixture of urea and formaldehyde, and/or a condensation product thereof, preferably not highly polymerized, in which the ratio of formaldehyde to urea is between 2.8: 1 and 5.0: 1, and (3) furfuryl alcohol.  The sugar may be e.g. dextrose, starch hydrolysates, arabinose, xylose, oibose, galactose, mannose, fructose, maltose, lactose, sucrose, invert sugar, molasses, or, preferably, hydrol (corn sugar molasses).  The binder is used in water in the preparation of foundry sand cores and moulds, in conjunction with a "catalyst component" which is an aqueous solution of an acid catalyst and urea, the ratio of formaldehyde to urea in the final product being between 1.8: 1 and 3.0: 1.  The acid catalyst may be any mineral acid or a salt which will provide acid conditions during cure, e.g. (NH4)2SO4, NH4Cl, AlCl3, FeCl3, Al2(SO3)3, Fe2(SO4)3, ZnSO4.  Cores are prepared by baking foundry sand containing 1.25-6.25% by weight of the binder composition plus the " catalyst component. "  Preferably, the sand and catalyst component are mixed and the binder is then added.
Patent GB-1521073-A (GB)
Title: Cephalosporin compounds
IPC: C07D501/04
Filed: 1975-07-29
Abstract: Novel cephalosporins of the general formula <IMAGE> are obtained by reaction of a 3-acetoxymethylcephalosporin of the formula <IMAGE> with a triazinylthio derivative of the formula <IMAGE> The substituents are defined in Claim 1. If necessary, the amino and/or carboxyl groups are intermediately protected and, if it is desired, the compounds obtained according to the invention are acylated by the known processes. The reaction is preferably carried out in polar solvents, e.g. water.   These novel cephalosporins are to be used on the one hand as medicines having antibiotic activity or on the other hand as intermediates in the preparation of antibiotics.
Patent GB-1479691-A (GB)
Title: Labelled side-seamed metal can bodies
IPC: B65D25/36
Filed: 1974-07-17
Abstract: 1479691 Labelling cans; cans AMERICAN CAN CO 17 July 1974 31619/74 Headings B8F and B8D A method of labelling cans comprises providing an empty side-seamed cylindrical can body 10, providing a non-stretchable, wrinklefree water-resistant film label 18 having a base layer and a quick-tack hot-melt adhesive layer 34, heating the body to a temperature within the tackifying temperature range of the adhesive adhering the label to substantially the entire circumference of the heated can body by positioning and adhering a leading marginal edge 20 of the label within the side seam area of the can body wall parallel to the central axis of the can body and to the side seam juncture, adhering the label to substantially the entire circumference of the can body, and overlapping and adhering a trailing marginal edge portion 28 of the label to a portion of the underlying leading marginal edge portion of the label. The open ends of the can body may be provided with a flange 17 before label application and end closures 12 may be secured to the ends of the body. Label form.-Printed matter may be featured on the overlapped label portions to hide wiped solder at the side seam area or the label portions may be opaque. The adhesive may be a wax material or an ethylenic acid polymer. The base layer may comprise a layer of polyethylene terephthalate, a composite of a vinylidene chloride polymer coated cellophane and a waterresistant coating, a composite of which waterresistant piper and a water-resistant coating, or a composite of paper-backed foil and a water-resistant coating. The coating may comprise polyethylene, polypropylene or a rapidcuring oleoresinous material. The can is provided with a cured, organic coating on its inside surfaces before labelling when the can is to be used for foodstuff or beverages.
Patent GB-1107753-A (GB)
Title: Improved apparatus for cutting and forming thermoplastic sheet in a single station
Inventor: STREET LESLIE JOHN
IPC: B29C51/10
Filed: 1964-08-01
Abstract: 1,107,753. Forming sheet material. PARNALL & SONS Ltd. 27 Oct., 1965 [1 Aug., 1964], No. 31642/64. Heading B5A. Hollow articles are formed from plastic sheet material by clamping the sheet, severing an area of the sheet, and then drawing that area of the sheet, all at a single station. In the embodiment shown in the Figure, a mould 5 is supported upon a lower press plate by a resilient O-ring 12, and is located within a knife 13 fixed to the platen. In operation a sheet 10 is indexed over the mould and then clamped thereagainst by a heating plate 8 carried by an upper press platen 9. Further movement of the platen 9 is then effected so that the mould is resiliently depressed relative to the knife and the sheet is completely severed. The severed section, which is securely clamped between the heating plate and rim 6 on the mould, is then vacuum formed by means of a vacuum applied through ports 15, 16, and 17. The sheet may, alternatively, be blow formed.
Patent GB-521693-A (GB)
Title: Improvements in lattice bracket supports for shop blinds and the like
IPC: E04F10/06
Filed: 1938-11-02
Abstract: 521,693. Shop blinds. BECK, J. [trading as BECK & C. W. C. MAYS, G.]. Nov. 2, 1938, No. 31732. [Class 20 (iii)] A lattice or lazytongs support for a sunblind wherein the main arm is pivotally attached to the front part of the lazytongs comprises a rectangular frame member with forward and rearward stops pivoted on the lazytongs and through which the main arm passes to assist in the extending and collapsing of the blind. In the form shown in Figs. 1 and 2, the rearmost links are connected to a bracket 2 and to a guide 3 slidable on a fixed upright 4. Each of the main arms 6 to which the blind is attached is pivoted at the lower end 7 of the front link and passes through a slotted rectangular member 9 pivoted at the foremost end 8 of the linkage. The front and rear ends of the member 9 act as stops for the madn arm 6. A set-screw on the member 9 is provided to adjust the rearward position of the main arm. In a modification to enable the main arm to swing in a larger arc the lowermost forward link is dispensed with and the uppermost link 11a, Fig. 4, is slotted to take the pivot of the member 9. In the closed position a pin 13 on the main arm maintains the member 9 in correct position.
Patent GB-777221-A (GB)
Title: Improvements in and relating to machines for vibrating concrete for the purpose of consolidating the same
Inventor: SIMS LESLIE JAMES
IPC: B28B1/093
Filed: 1953-11-17
Abstract: 777,221. Vibrating concrete in moulds. ECROFNIER & PARTNERS, Ltd., and BRITISH FRAM CONSTRUCTION CO. (1911) Ltd. Oct. 28, 1954 [Nov. 17, 1953], No. 31826/53. Class 87(2). A rammer plate 25 which is vibrated by a vibrator 17 is run along the sides 12 of moulds. Movement of a pivoted lever 34 from a position in which a stop 36 engages a notch 37 to a position in which it engages one of three notches 39 causes a leather strap 32 to lift a shaft 22 fixed to the plate 25 to a position, see Fig. 2 (not shown) in which the carriage 10 supporting the plate 25 can be run along the sides of the moulds without the plate engaging any obstacle such as an end wall 40 of the mould. The vibrator 17 is removably secured by an arm 20 to a barrel 14 within which the shaft 22 is free to slide but not rotate. The height of the plate may be roughly adjusted by a pin 27 which passes through a hole in a sleeve 26 and any one of three holes 23, which correspond to the three notches 39, in the shaft 22. Fine adjustment is made by a nut 29 which screws into a socket 30 at the top end of the barrel 14, the nut forming a stop for the sleeve 26. The upper edges of the sides 12 may be formed as rails, as is described in Specification 777,223, to receive the wheels 11. The plate may be removable and may be of U- section as described in Specification 777,222.
Patent GB-488824-A (GB)
Title: Improvements relating to the packaging of articles
IPC: B65B9/02
Filed: 1937-11-19
Abstract: 488,824. Wrapping-machines. SALFISBERG, L. L. Nov. 19, 1937, No. 31851. Convention date, Jan. 19. [Class 94 (i)] Articles are wrapped by being placed between opposed layers of rubber which are heat-fused in a marginal area to surround the articles completely while leaving unfused the rubber in contact with the article. Strips 22, 23 of rubber are fed, preferably under tension, past rollers 20, 21 between rotary mould wheels 1, 2, heated by resistance elements 16, 17. Each mould wheel is formed with depressions 5, 6 separated by raised parts 5a, 6a which register during rotation. The articles 25 to be enclosed are fed at intervals between the strips and are held in position by a plunger 28, while the raised portions 5a, 6a and circumferential raised portions on each side of the mould wheels unite the strips by heat and pressure. Corresponding rings and grooves on the mould wheels ensure lateral registration. The packages are stored in curing rooms until curing is complete.
Patent GB-193177-A (GB)
Title: Ignition indicator for use with internal combustion engines
IPC: F02P17/00
Filed: 1921-12-29
Abstract: 193,177. Shute, W. H. Dec. 29, 1921. Testing.-Fixed spark-gaps 4 are placed in shunt with the sparking-plugs, the terminals 2 being connected into the ignition circuit and the terminals 6 being engage able by a slidable or rotary earthed pointer 5 having a spring- pressed contact 7.
Patent GB-1104357-A (GB)
Title: Improvements in or relating to vehicle braking systems
IPC: B60T11/236
Filed: 1966-07-15
Abstract: 1,104,357. Master cylinder; piston rings. ALFRED TEVES MASCHINEN-UND ARMATURENFABRIK KOMM. GES. 15 July, 1966 [4 Dec., 1965], No. 31905/66. Headings F2F and F2T. A master-cylinder has a sealing ring 3 disposed between the piston 1 and the pressure chamber of the master-cylinder, the ring being rotated by the swirl of liquid passing through vacuum breaking bores 2 in the piston during the return stroke of the piston. The bores are skewed relatively to the axis of the piston to provide the swirl, and skewed grooves 4 may be provided in the sealing ring. The arms of a star-shaped washer 5 between the sealing ring and the piston may be inclined to the piston end to enhance the effect.
Patent GB-1465699-A (GB)
Title: Mobile models
IPC: A63H30/00
Filed: 1974-09-30
Abstract: 1465699 Wheeled toys T J RICHARDSON 30 Sept 1974 [4 July 1973] 31962/73 Heading A6S A wheeled toy, e.g. a toy car or toy animal, has a permanent magnet at or near one end of a lever capable of limited pivotal movement, so that when a further permanent magnet is brought near to the magnet on the lever, wheeled and steering movement of the toy can be effected. In the form of a toy car, the lever is hidden within the car body, but in the form of a toy animal part of the lever may be visible, e.g. it may simulate the neck or part of the spine of the animal. A toy car incorporating the lever, &c. consists of a body shell and a base plate carrying the rear axle. The front axle is carried by a bracket having two vertical pivot pins, one before the other, the front pivot pin connecting the bracket to the base plate and the other extending through a transverse arcuate slot in the base plate. A further pivot pin in the base plate carries the steering, &c lever which is slotted at its front end to engage the rearward pin on the front axle bracket and at its rear end carries a permanent magnet. The car may carry a simulated driver, and the steering lever is then cranked and extends up towards the rear of the body shell. Another permanent magnet, either carried directly in the hand or mounted at the end of a stick, effects movement of the car when brought near the permanent magnet on the steering lever, e.g. by magnetic repulsion. A toy animal incorporating the steering lever consists of a shell simulating the rear legs, the lever including the head of the animal being pivoted inside the shell. Part of the lever is visible between the head and body shell. The magnet forms the upper jaw of the animal's head.
Patent GB-910210-A (GB)
Title: Improvements in or relating to spin driers and the like centrifugal machines
Inventor: CAUNT ALAN
IPC: D06F49/06
Filed: 1960-09-19
Abstract: 910,210. Spin dryers. METALASTIK Ltd. June 22, 1961 [Sept. 19, 1960], No. 32114/60. Class 34 (2). The drum-motor unit of a spin drier or the like is hung from the casing by three or more straps of rubber or the like resilient material connecting the motor housing to the casing, each strap having a buffering portion which engages a buffer on the motor housing to control the amplitude of vibration of the suspended unit. The motor unit 15, Fig. 1, of a spin drier is hung from brackets 16 attached to a casing wall 12 by four vertically disposed rubber straps 17 which are connected at their lower ends to the motor housing 18 by bolts 20 which are disposed in a common horizontal plane containing the centre of gravity, e.g. of the unit. Each strap has an upwardlyextending integral buffering portion 22 at its upper end which is normally spaced from the inner face of the bracket 16 and a cylindrical face 24 on the motor housing 18 which constitute buffers when the portion 22 is engaged when the vibrations of the motor unit become excessive. The straps are connected to the housing 18 and bracket 16 by metal reinforcing parts bonded to one or both sides of the straps, and the connections are reinforced by bonded metal washers or bonded metal parts are bent around the straps. In modifications, Figs. 4 to 6 (not shown), different portions of the straps constitute the buffering portions and the straps may be of cranked form.
Patent GB-433699-A (GB)
Title: Locking device for screw nuts and screw heads
IPC: F16B39/36
Filed: 1933-11-17
Abstract: 433,699. Locking nuts. HARAN, M., 42, Eschborner Landstrasse, R÷delheim, Frankfort-on-Main, Germany. Nov. 17, 1933, No. 32152. Convention date, Nov. 17, 1932. [Class 89 (i)] A nut d has a conical extension, the surfaces h, z of which engage coacting surfaces c, u in a split washer or nut a. The conical surfaces may be roughened. Slots r are provided to render the member d flexible. In a modification the nut d is replaced by the head of a screw.. The washer a may not be threaded.
Patent GB-410776-A (GB)
Title: Improvements in or relating to voltage regulating systems for mercury arc and like rectifiers
IPC: H02M7/15
Filed: 1932-11-14
Abstract: 410,776. Rectifying alternating current. BRITISH THOMSONHOUSTON CO., Ltd., Crown House, Aldwych, London.- (Assignees of Schmidt, A. ; 1147, Parkwood Boulevard, Schenectady, New York, U.S.A.) Nov. 14, 1932, No. 32189. Convention date, Nov. 13, 1931. [Class 38 (ii).] In an arrangement for modifying the voltage characteristic of a grid-regulated mercury arc or like rectifier by varying automatically the phase relation between the grid and anode potentials in response to load conditions by the use of a saturable reactor having a winding in a circuit supplying the grid potential and other windings controlling the degree of saturation in response to load variations (cf. Specification 373,526), the first mentioned winding is connected in a phase shifting circuit supplied with a potential substantially in quadrature with the alternating current circuit, and the grid is supplied from points of the phase shifting circuit such that the varying inductance of the reactor causes the grid potential to be substantially in phase with the anode potential under full load conditions and to lag the anode potential under no-load and overload conditions. Preferably, the saturable reactor windings 13, 14 on cores 15, 16 respectively are connected as shown in series with a condenser 12 and a resistance 11 to form the phase shifting circuit and the potential applied to the grids 4 and 5 through a transformer 30 is obtained from an auto-transformer 29 of which the primary winding is connected between the terminals of the circuit, comprising the resistance 11 and the winding 13, between which the quadrature potential is applied. Such quadrature potential is derived from the alternating current circuit 26 through a transformer 9, having its secondary winding 7 connected to the anodes 2, 3, by connecting an inductance 28 and a resistance 27 across a tertiary winding 8 of the transformer. One side of the direct current circuit 24 is connected to the electrical mid-point of the winding 7 through saturating windings 20, 21 on the cores 15, 16, respectively, and the other side to the cathode 6, and other saturating windings 22, 23, connected across the direct current circuit, are so proportioned that at normal load their saturating effect is just neutralized by that of the series windings 20, 21. Specification 399,236 also is referred to.