baber/WOPTO huggingface dataset:
Patent GB-269130-A (GB)
Title: Improvements in or relating to rotating field magnets for turbo-generators
IPC: H02K3/12
Filed: 1926-10-19
Abstract: 269,130. Blathy, O. T. April 10, 1926, [Convention date]. Coils; exciting.-Relates to exciter winding;} for turbo-generators consisting of coils of bare metal strip disposed in grooves in the core. The coils 1 - - 6 are divided, earthed at one end on the iron of the core and may be connected in parallel at the other end and then, through bare conductors e f, to the iron of the core, shown in Fig. 2; or they may be divided into two groups, the coils of each group being connected in parallel and the two groups connected through live conductors e, f, as shown in Fig. 3.
Patent GB-1044173-A (GB)
Title: Improvements relating to the testing of transformers
Inventor: AUTH WALTER
IPC: G01R31/12
Filed: 1963-07-02
Abstract: 1,044,173. Pulse generators. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. July 2, 1963, No. 26271/63. Heading H3P. [Also in Division G1] A multiple transformer is tested by means of a pulse generator which produces a pulse which is balanced with respect to earth. In Fig. 3 the surge capacitances 8 are charged from transformer 6 through rectifiers 7 and discharge through an arc gap 9 into discharging resistances 10, damping resistances 11, and two equal loading capacitances 12 the junction of which is earthed. The junction of resistances 10 may also be earthed, as shown, and the output is connected to two high-voltage windings 14 of a three-phase transformer under test. In another arrangement, Fig. 4 (not shown), four stages of an eight-stage surge generator are short-circuited by connections 29 and the other four stages, comprising capacitors 19 charged in parallel from D.C. source at terminals 20 and discharged in series, produce a surge output at terminals 27 which is balanced with respect to earth by an earth connection at point 26. In a modification, Fig. 5 (not shown), six stages of a nine-stage generator are used.
Patent GB-1336512-A (GB)
Title: Beta-chloropropionic acid fluoroalkyl esters
IPC: C07C69/62
Filed: 1972-06-06
Abstract: 1336512 Fluoroalkyl esters FARBWERKE HOECHST AG 6 June 1972 [11 June 1971] 26329/72 Heading C2C Novel compounds of the formula where n is 4-12 and m is 1-4 may be prepared by reacting C n F 2n+1 (CH 2 ) m OH with ClCH 2 - CH 2 -OOCl at 20-140‹ C. Mixtures of esters with different values of n and m may be obtained from a mixture of alcohols. The compounds may be dehydrochlorinated to give
Patent GB-190281-A (GB)
Title: A new or improved device for use in starting internal combustion engines and for other purposes in connection with such engines
IPC: F02N99/00
Filed: 1921-10-06
Abstract: 190,281. Sitzler, L. E. Oct. 6, 1921. Starting.-A device for admitting liquid fuel or combustible mixture to the induction pipe comprises a cylindrical or other casing A having one or more inlets E for liquid fuel or mixture, one or more air inlets, and a plunger B for opening successively the fuel or mixture inlets and the air inlets. The plunger is actuated by a Bowden wire B<1> or other manual means, and is normally closed by a spring D. The air inlets may be triangular. The fuel inlet E may be connected by a pipe F to a vessel H<4>, Fig. 5, adjacent to the float chamber J of the carburettor and containing a limited supply of fuel. The vessel may be divided by partitions into concentric chambers H<5>, H<6>. H' which communicate through apertures H<x>, H<xx>. Specification 221/15 is referred to.
Patent GB-385253-A (GB)
Title: Improvements in or relating to typographical slug casting machines and slugs produced by such machines
IPC: B41B11/52
Filed: 1932-09-24
Abstract: 385,253. Type-bar-maldng machines. HART, H., 9, Kingsway, London.-(Mergenthaler Linotype Co. ; 29, Ryerson Street, Brooklyn, New York, U.S.A.) Sept. 24, 1932, No. 26582. [Class 100 (iii).] Moulds ; ejecting type-bars.-Means are provided for securing the efficient guiding of large slugs of recessed form during their ejection. As the core members Bl, Figs. 1 and 3, that form the recesses in the slugs, terminate short of the front face of the mould, to allow the formation of the character-bearing portion S<2>, the slug is no longer guided by the core members during the last part of the ejection stroke, and the consequent tendency of the slug to tilt, as shown in Fig. 1, may result in injury to the slug or to the trimming-knives. Certain of the core members are therefore extended at their lower ends to the front face of the mould by providing them with guiding-shoes C, Figs. 2 and 3, so that the slug is guided by the core members until fully ejected. In order to avoid the weakening effect of the recesses so formed in the slug, the shoes C are bifurcated or slotted, so that ribs are formed in the region of the recesses.
Patent GB-247264-A (GB)
Title: An improved method of and means for treating freshly pressed or stamped slag stones
IPC: B65G49/08
Filed: 1924-11-07
Abstract: 247,264. Item, J. van. Nov. 7, 1924. Drawings to Specification. Drying blocks.-Slag stones or blocks are dried after pressing by being stacked in the open on channel-shaped foundations or supports, so that each block extends across at least two channels. Fresh stacks are built up on the lee side of existing stacks. Removable roofs and curtains may be provided to shelter the stacks.
Patent GB-797415-A (GB)
Title: Building structures
Inventor: BRUNTON BERNARD
IPC: E04B2/58
Filed: 1954-09-15
Abstract: 797,415. Wall partitions. SELECTION ENGINEERING CO., Ltd. Sent. 15, 1954, No. 26713/54. Class 20(4)' A jointing post for securing edges of adjacent panels or partitions and comprising an elongated hollow member with opposed parallel side walls two or more of which have a longitudinally extending channel to receive and closely engage the edge of a panel, is constructed of elongated elements, 1, 2, 5, 9 or 10, formed of sheet material, at least two of which are rigidly secured together by means of inturned edge portions of one, 3, 10a or 11a, engaging over the edge portions of the other and further by a continuous coating of a protective material, such as galvanizing, applied over the edge portions after assembly. As shown in Fig. 3, a corner 'post is formed from a large right angle section 9 and small section 10 joined to U-sections 2 by intumed edge portions 11a, l0a and in Fig. 2, a straight sheet 1 has ends 3 turned in around flanges 6 on a U-section 5, the channels being completed by a removable element 1a with inturned edges 3a secured by screws 8. Two elements 1 and two U-sections 2 are joined by ends 3 to form a straight jun.ction and one element 1, three U-sections 2 and two angle sections 10 are joined by inturned ends 3 and 10a to form a three way junction. Similarly, four U-sections 2 and four sections 10 can be joined to form a post of cruciform section. Reference has been directed by the Comptroller to Specification 722,274.
Patent GB-284397-A (GB)
Title: Improvements in or relating to tyres and process of and apparatus for manufacturing same
IPC: B29D30/20
Filed: 1926-10-26
Abstract: 284,397. Swern, W. E. Oct. 26, 1926. Tyre covers, making.-Tyre casings of the flat band type are formed by the simultaneous application of a number of bands of equal width to a rotating drum, means being also provided for applying the breaker-strip in the form it occupies in the expanded casing. In the apparatus shown, a pair of stock rolls 23 are mounted on opposite sides of the drum 16, the fabric being led over a guide-roll 25 and geared rolls 26, 27 which are driven from the take-up roll 30 for the lining material. After passing over the roll 27, the fabric strip is allowed to form a free loop 32 so that all tension is removed before the fabric. passes over an adjustable guide 34 to the drum. An adjustably-mounted turntable 40 carries a series of brackets 41 each supporting a roll 42 from which two straps 43 are fed over a pivoted guide and rolls 46, 47 to the drum. The turntable 40 also carrries rolls 50, 51 for the underbead and overbead strips, a roll 52 for the chafing strips, and a bracket 53 on which the bead-setting rolls 56 are mounted. In order that the beads may be built up below the main body of the casing, and to adapt the drum to different sizes of casing, the drum comprises a pair of profiled rings 60, Fig. 6, which are recessed to seat telescoping bands 62 forming the main body of the drum. As shown in Fig. 9, the breaker-strip 111 is assembled over the rubber tread 110 on a sectional drum 100, which is expanded to the diameter the strip 111 will have in the finished cover. The built-up structure 110, 111 is then reversed for assemblage over the tyre casing.
Patent GB-362938-A (GB)
Title: Improvements in or relating to the manufacture of glass
IPC: C03C1/10
Filed: 1930-09-08
Abstract: 362,938. Glass manufacture. WILSKER, J. M., P.O. Box 89, Talana, Dundee, Natal, South Africa. Sept. 8, 1930, No. 26794. [Class 56.] Production of metal.-Relates to the manufacture of colourless or "white" soda-lime glass, and consists in using batch materials which contain ferric oxide and ferrous oxide in such proportions that the finished glass contains equal parts by weight of each of the oxides. For this purpose, part of the white sand used in the batch is replaced by common red or brown sand, but any other suitable material containing ferric oxide may be used. Examples of suitable batches are given in the Specification.
Patent GB-1091453-A (GB)
Title: Hydraulic position control system
Inventor: HOWARD RONALD WALTER
IPC: F15B9/09
Filed: 1964-06-29
Abstract: 1,091,453. Fluid-pressure servomotor systems. ELLIOTT BROS. (LONDON) Ltd. Sept. 29, 1965 [June 29, 1964], No.26798/64. Heading G3P. A hydraulic servomotor system comprises a valve 7 controlling the supply and exhaust of fluid to a chamber 2, to actuate a piston 1, under the control of an electric signal 16 fed through an amplifer 14 to a torque motor 12. Movement of the piston acts through a rod 17 on pick-off 19 to provide an electrical feedback 20 to the amplifier and also through a rod 23 on a spring loading 21A, 21B connected between the rod 23 and the valve 7. In the event of electrical failure, the springs 21A, 21B act on the valve 7 to reposition the piston 1 to a preselected fail-safe position. The valve may be provided with recentering springs 11A.
Patent GB-877255-A (GB)
Title: Improvements in hydraulically operated jaw crushers
IPC: B02C1/02
Filed: 1959-08-06
Abstract: 877,255. Jaw crushers. GAULDIE, K. July 4, 1960 [Aug. 6, 1959], No. 26830/59. Class 59 [Also in Group XXIX] A hydraulically-operated jaw crusher comprises a jaw-propelling ram in a cylinder 10, a power-driven plunger 2 reciprocating in a cylinder 1 oscillating on hollow trunnion means 3, and a commutating valve 5 of the piston type reciprocating in a cylinder 6 extending lengthwise of the trunnion means, the valve during alternate complete to-and-fro movements of the plunger placing the plunger in hydraulic communication with the ram, and during intermediate complete to-and-fro movements disconnecting the plunger from the ram and connecting it elsewhere. The valve is reciprocated at half the frequency of the plunger by a bell-crank 8 and rod 7 connected to a crankshaft driving the plunger and, in its right-hand position, connects the plunger through a port 9 with the ram cylinder 10 and in its left-hand position, connects the plunger through a port 11 to a space 11a which may be another ram cylinder or an air vessel. Specifications 642,315 and 839,091 are referred to.
Patent GB-808473-A (GB)
Title: Means for gauging a workpiece which is being ground on a surface grinding machine
IPC: B24B49/04
Filed: 1957-08-26
Abstract: 808,473. Gauging devices. HOFMANN, E. F. Aug. 26,1957, No. 26834/57. Class 60. Means for gauging a workpiece 2 while it is being ground on a surface-grinding machine comprises a gauging head 5 which carries a feeler gauge 4 and is so constructed and mounted that it compensates for any variation in the level of the machine platen 3 caused by the spreading of an oil film between the platen and its guides. The head 5, which is shown as applied to a grinding machine having a rotary platen, is connected by leaf-springs 7 to a support 8 mounted on the bed-plate 1 of the machine. A locating slide 6 attached to the head 5 engages with a guide ring 9 on the platen so that any lift of the platen during its rotation, caused by the oil film, is not transmitted to the feeler gauge 4 but merely lifts the head. A shield may be provided to prevent dust or swarf from reaching the operative surface of the ring 9.
Patent GB-1402475-A (GB)
Title: Fluid apparatus such as liquid measuring apparatus
Inventor: JOHANSSON B-O
IPC: F15B21/044
Filed: 1973-06-05
Abstract: 1402475 Delivering measured quantities of liquid ALFA-LAVAL AB 5 June 1973 [19 June 1972] 26846/73 Heading B8N In a fluid apparatus, such as a liquid measuring apparatus for dispensing foodstuffs, the piston 2 is provided with a seal 24, 25 at each end and the cylinder 1 is provided with a zone 20, 21 at each end to facilitate cleaning of the seals, the zones being in communication with the cylinder ports 3 to 6 and arranged so that when the piston is in an end position, the seal nearest the cylinder end in question is located within the zone while the other seal seals against the cylinder. Recesses 26 in the piston allow escape of gas bubbles. A pump 19 continuously supplies the liquid to the apparatus from a container 18 and a control unit 17 operates the opening and closing of valves 9 to 12 upon receiving signals initiated by the piston at the ends of its stroke. The piston 2 may be reciprocated by the liquid supply acting alternately on opposite ends of the piston or by a piston-rod. Cleaning of the piston seal 24 may be effected by maintaining the piston in the upper end position while cleaning liquid is caused to flow from an open inlet 3 to an open outlet 4. Cleaning of the seal 25 may be then effected similarly at the bottom end of the cylinder. Alternatively, cleaning may be effected by operating the valves 9 to 12 as in normal operation and allowing the cleaning fluid to reciprocate the piston.
Patent GB-244244-A (GB)
Title: Improvements relating to the metering of calls in telephone systems
IPC: H04Q3/00
Filed: 1924-11-11
Abstract: 244,244. Siemens Bros. & Co., Ltd., Christian, D. A., and Patterson, W. G. Nov. 11, 1924. Addition to 200,928. Automatic exchange systems ; metering.-The delayed metering equipment described in the parent Specification is temporarily associated with the group selector over a finder switch CF when the called subscriber replies. Upon energization of answering relay Y, magnet DM is connected un over common wire 10 and rotates the finder switch until wiper C<1> engages the terminal grounded by relay L (which controls test relay T), whereupon relay TM operates, cuts the drive and closes a releasing circuit over wiper B' through winding 2 of relay L. Relay TM also provides an engaged test if more than one metering circuit is provided. Relay L on release connects up a resistance 15 to prevent relay TM reoperating once it releases. Relays S, Z operate in turn over springs controlled by cam 11 as in the parent Specification to close the metering circuit over wiper A', but relay Z does not hold and releases slowly, allowing relay TM to relapse.
Patent GB-1351476-A (GB)
Title: Aqueous phenolic resin composiion
IPC: C08J9/00
Filed: 1971-04-19
Abstract: 1351476 Phenolic resin foam DEUTSCHE TEXACO AG 19 April 1971 [17 April 1970] 26970/71 Headings C3C and C3R An aqueous, foamable phenolic resin composition comprises a phenol-aldehyde condensate, a waterglass in solution, a particulate mineral filler and an expanding agent, which may or may not be the filler. The waterglass is potassium and/or sodium silicate, the preferred resin is phenol-formaldehyde and the preferred filler is vermiculite. Pentane is the preferred blowing agent, and the foaming may be performed in a mould, preferably a parallelepiped. In the example an aqueous phenol-formaldehyde resole is mixed with sodium waterglass, pentane and vermiculite of specified size and the mixture cured with foaming by the addition of a solution of toluene sulphonic acid.
Patent GB-1086034-A (GB)
Title: Method of determining resistivity
Inventor: BONCUK RICHARD JOSEPH
IPC: G01R31/26
Filed: 1966-06-16
Abstract: 1,086,034. Resistance measurement. MOTOROLA Inc. June 16, 1966 [July 8, 1965], No.26998/66. Heading G1U. The resistivity of a thin film on a conductive or semi-conductive substrate (e.g. an epitaxial transistor) is measured by applying a constant current to a pair of contacts of significant area and measuring the voltage developed between them. The contacts may both be on the thin film Fig. 1 (not shown), or alternately Fig. 2 (not shown) one contact may be on the film and the other one on the other side of the substrate.
Patent GB-408000-A (GB)
Title: Improvements in and relating to musical instruments
IPC: G10C3/02
Filed: 1932-09-29
Abstract: 408,000. Musical instruments. CLOETENS, G., 56, Rue de la Regence, Brussels. Sept. 29, 1932, No. 27112. Convention date, Sept. 30, 1931. [Class 88 (ii).] Pianofortes, harpsichords, xylophones, &c. have rigid deflectors such as the plates 3, 31 inclined to form a sound passage of increasing crosssectional area and closed at the sides at 2<a>, 2b by plates not shown. The inclination of the plate 31 may be reversed. A rotary vane 5 may be arranged in the exit opening to produce a tremolo. British Specification 103,355, [Class 88 (ii)], and German Specification 105,519 are referred to. The Specification as open to inspection under Sect. 91 describes also the following constructions : (1) A grand piano with a cover underneath hinged to open downwards symmetrically with the usual lid opening upwards, and with a tremolo vane in each opening. (2) Auxiliary hammers, mounted on spring or felt strips, which may be caused to strike the strings &c. of a vertical or horizontal instrument through the agency of the main hammers, jacks, plectra or by hand, a celeste strip being interposable ; part of this matter is comprised in Specification 408,005. These constructions do not appear in the Specification as accepted. Reference has been directed by the Comptroller to Specifications 6850/85, 8636/88, and 11632/04, [all in Class 88].
Patent GB-188172-A (GB)
Title: An improved electrical connection
IPC: H01T13/04
Filed: 1921-10-13
Abstract: 188,172. Tracy, P. Oct. 13, 1921. Couplings.--For connecting a cable to an electrode, for example, of a sparking-plug, a flat metal spring a is bent at the centre and a coil b is wound on each limb. The coils b press theelectrode firmly into the angle and are arranged so that they interlace, when the limbs are pressed towards each other. Into the resulting tubularspace is passed the cable, which is gripped by theresiliency of the spring a when pressure is removed from the limbs.
Patent GB-335355-A (GB)
Title: Improvements relating to lights for navigational and other like purposes
IPC: B63B45/00
Filed: 1929-09-06
Abstract: 335,355. Chance Bros. & Co., Ltd., and Richey, W. F. A. Sept. 6, 1929. Convertible gas and electric lamps. -In a lighthouse or like lamp with an electric lamp bulb and a stand-by gas burner mounted in different positions on a table which is adapted to be rotated by a vertically movable weight, an automatic switch is provided whereby, when the electric lamp or the current supply fails, the table is rotated to bring the burner into the service position, and means operated directly by the weight in its movement controls the main gas supply to the burner. In the form shown in the Figure, a vertical shaft d carries a horizontal table a at diametrically opposite positions on which are mounted an electric lamp b and a burner or group of burners c, the main and pilot gas pipes h, i of which are carried bv a plate g secured to the shaft d. The latter carries a projection p which engages a helical groove n on an inner member o connected to an annular weight e surrounding the shaft d and containing mercury or other sealing liquid f. The plate g carries concentric flanges j which form annular gas spaces to which acetylene or other gas is conveyed by pipes h, and from the inner one of which gas continually passes to the pilot gas pipe i. The main gas pipe -h is fitted with a splash trap m and with a pipe which depends into the outer annular gas space and dips into the liquid f when the electric lamp is in operation. The table a is held in its normal position by means of a stop r in engagement with a vertically movable bolt which is connected by a bell-crank lever s and link t to the pivoted armature u of a switch which is held in its closed position by an electromagnet v and can also be closed by an external knob w. The winding of the electromagnet is in series with the electric lamp and the opening movement of the armature u is given by a spring or weight which may be associated with the bolt q. If the electric lamp or the current supply fails, the switch is opened, the bolt q is withdrawn from the stop r, and the weight e falls and rotates the table a by means of the groove n and projection o until a second stop x engages the bolt q. The burner is then in the service position and is supplied with gas which passes through the exposed lower end of the pipe l. 'The electric lamp is brought back into the service position by raising the weight e. The latter may be provided with one or more stems 2 which project downwardly through the cover 3 and bear upon the piston 5 of a dash-pot cylinder 4 arranged conconcentrically around the lower end of the shaft d. When the piston 5 descends under the action of the weight e, oil or other liquid passes, under the control of a valve 7, through a passage or pipe 6 from one side of the piston to the other, the return of the piston being effected by means of a spring 8.
Patent GB-1094264-A (GB)
Title: Electrical resistors and apparatus incorporating them
Inventor: BICKERS ARTHUR
IPC: H01C1/14
Filed: 1963-07-09
Abstract: 1,094,264. Temperature sensitive resistors. ELINVAC Ltd. Sept. 18, 1964 [July 9, 1963; Aug. 4, 1964], Nos. 27133/63 and 31563/64. Heading H1K. [Also in Division G1] A resistance element of metal carried on a support of the same metal is insulated therefrom by a layer formed of an oxide of said metal on the support and/or element. A temperature-sensitive probe of this type consists of surface oxidized nickel wire wound on a hollow surface oxidized nickel bobbin with a closed end for contacting a hot surface. Alternatively, the element is a helical or cylindrical deposit of nickel. A protective nickel sheath and coaxial rod connect the element in circuit, the rod being held in a glass seal inside the bobbin. The inner end of the bobbin is provided with orthogonal cuts or is fully castellated so that the length of wire can be finely adjusted though the resistance may also be controlled in the oxidation treatment. In an alternative arrangement two supply wires within and insulated from the sheath are provided, the remote end of the winding being brought back to one of them through a groove in the bobbin beneath the winding, or via a hole in the bobbin, and thence through the glass seal. In a surface temperature measuring instrument a shortaned bobbin is used with a multilayered winding. Alternatively, a pancake coil may be vapourdeposited on the inside or outside of the end closure of the bobbin. The elements are normally used in a measuring bridge, all the resistors of which may form a common assembly as in Fig. 12. Pairs of adjacent bridge arm resistors are wound bifilarly on oxidized nickel. former 61 and interconnected at their outer ends and centrally via insulated posts which extend to the exterior at 59, 60. The fixed resistors are of nickel alloy. In another arrangement one or more of the fixed resistors are separately mounted in the sheath of the temperature-sensitive resistor, as in Fig. 10 (not shown). Bridge circuits utilizing the resistors are described (see Division G1)