baber/WOPTO huggingface dataset:
Patent GB-489489-A (GB)
Title: Improvements relating to fire alarm systems
IPC: G08B17/04
Filed: 1936-11-27
Abstract: 489,489. Fire - alarm systems. SID. DALL, J., and SIDDALL, W. H. Nov. 27, 1936, No. 32500. [Class 38 (v)] In a fire-alarm system comprising a length of fluid-containing metallic tubing and a signal actuatable by fluid pressure generated in the said tubing by heating it, the tubing is encased in a sheathing of flexible non-metallic material having heat and electrical insulating properties. Fig. 5 shows a system comprising a loop 10 of metallic tubing covered preferably with rubber and fabric, and pressure-responsive devices 2 co-operating with contacts 4 to complete a circuit through a bell 6 upon a rise in temperature. Breathing openings 9 are provided. Portions of the tubing normally subject to higher temperatures or rises of short duration are provided with additional insulation. A break in the tubing may be found by earthing at 26 and testing with a battery 28 and lamp 27. Fig. 6 shows the tubing in two parts connected by an insulating sleeve 39 and a normally closed switch 40. A circuit including a lamp 35, battery 30, and magnet 29 controlling a bell 33 is also provided. The bell 33 rings if the switch 40 is opened or the tube broken ; the lamp 35 lights if the tubing is earthed. Fig. 21 shows two tubes 44, 45 in one sheathing 46 with an insulating section 50. The tubing is part of a circuit including a high-resistance magnet 59 controlling a bell 62,. a battery 53 and a magnet 52 controlling a bell 57. A bimetallic switch 47 is connected across the two tubes and a pressure-responsive device 51 is provided. Closing of the switch 47 by rise in temperature operates the bell 57 and a break in the tubing operates the bell 62. In a modified form of tubing, the sheathing comprises an electrically insulated. wire wound helically round the tubing. U.S.A. Specification 2,027,068 is referred to.
Patent GB-1514184-A (GB)
Title: Oxidation and sulphidation resistant austenitic stainless steel
IPC: F01L3/02
Filed: 1975-08-04
Abstract: 1514184 Austenitic stainless steel ARMCO STEEL CORP 4 Aug 1975 [12 Aug 1974] 32521/75 Heading C7A Austenitic Stainless Steel of composition:- The steel may be cast and re-melted in vacuum or inert atmosphere using a protective slag and may be utilized in bar, rod or wire form or may be used in valve or valve parts for internal combustion engines.
Patent GB-201095-A (GB)
Title: Improvements in slice or skin supports for slicing machines
IPC: B26D1/143
Filed: 1922-11-29
Abstract: 201,095. Berkel & Parnall's Slicing Machine Manufacturing Co., Ltd., and Thomas, H. Nov. 29, 1922. Cutting slices in succession.-In a reciprocating-table, slicing-machine, the member for supporting the overhanging edge of the meat projects beyond the inside edge of the knife and is thereby adapted to prevent the meat from fouling on the return stroke. In Fig. 2, the member 2 is bevelled at 2<a> and may lie across the periphery of the knife C, the overhanging edge of the meat gliding up the incline 2a on the return motion. The member 2 is formed on a bracket 1 which is secured by screws 3 to the base A. In Fig. 4, the edge of the meat is supported by the face 5<b> of a pivoted member 5 which is recessed at 12 to receive the edge of the knife and is provided with inclined faces 12<a>, 12<b>. The member 5 is pressed by a spring 9 against a stop 8, on a bracket 7, which returns it to the operative position. On the return stroke, the meat engages the member 5 and swings it out of operation. In a further modification, the supporting-member is moved vertically into and out of operation by an eccentric operated by a lever which contacts with stops on the reciprocating table.
Patent GB-767866-A (GB)
Title: Heat exchange apparatus
Inventor: HENLEY JOHN ALLAN
IPC: F28F1/32
Filed: 1954-11-11
Abstract: 767,866. Tubular heat exchangers. WELLINGTON TUBE WORKS, Ltd. Sept. 27, 1955 [Nov. 11, 1954], No. 32648/54. Class 64(3) A heat exchanger comprises at least two tubes a, b for independently conveying two fluids between which heat is to be exchanged and metallic parts, e.g. plates c, forming heat flow paths between the tubes a, b, the said parts having formed bosses d which surround the tube or tubes a carrying the higher temperature fluid (e.g. sodium or sodium potassium alloy) and which completely enclose the said tube or tubes a. The bosses may be formed on one side only of the plates c instead of on both sides as shown.
Patent GB-340357-A (GB)
Title: Improvements relating to constructional toys
IPC: A63H33/10
Filed: 1929-10-28
Abstract: 340,357. Constructional toys. KING, R. G., Brimble, Slough Road, and HARGREAVES, H., Campbell Cottage, London Road, both in Datchet, Buckinghamshire. Oct. 28, 1929, No. 32724. [Class 132 (iii).] Rods used in constructional toys are connected together by metal ferrules 1 having an axial bore 2 equal in diameter to the distance between flanges 3. The rods, which may be matchsticks, are inserted into and gripped either in the bore or between the flanges. The ferrules may be circular, elliptical, square, hexagonal or of other shape.
Patent GB-480466-A (GB)
Title: Improvements in or relating to electric couplings
IPC: H01R13/453
Filed: 1936-11-30
Abstract: 480,466. Two-part couplings. GENERAL ELECTRIC CO., Ltd., and LANHAM, J. Nov. 30, 1936, No. 32797. [Class 38 (i)] A shield 6 to cover the live sockets 2 of a socket coupling is pivoted on the earth-socket 3 and is actuated by the earth pin that engages a bevelled surface 12 on a lever 9 pivoted on a bolt 8 and connected by a link 10 to the shield. The bolt 8 forms a stop for the shield by projecting through an arcuate slot 7 therein, and a spring 14 mounted on the bolt presses on the lever 9 to bias the shield 6 to its socketcovering position.
Patent GB-911726-A (GB)
Title: Rotating fluid cylinders
IPC: B21C47/30
Filed: 1961-09-13
Abstract: 911,726. Hydraulic apparatus. INTERNATIONAL BASIC ECONOMY CORPORATION. Sept. 13, 1961 [Oct. 12, 1960], No. 32839/61. Class 69 (2). [Also in Groups XXII and XXVI] A rotatable double-acting actuator 17 for reciprocating a rod 14 effecting expansion and contraction of the mandrel 13 of a device 10 for winding strip metal or like material to coil form comprises a rotatable cylinder barrel 18 closed by axiallyspaced heads 20, 21, a rotatable assembly consisting of a piston 19 reciprocable in the barrel and having a rod 22 extending through one of the heads, and fluid distributing tube means journalled in and extending through the other of said heads and about which the barrel and assembly is rotatable, the tube means projecting into an axially-extending recess 41 formed in the assembly and having a first portion 57 providing communication with one side of the piston and a second portion 58 providing communication with the other side of the piston. The tub means consists of concentric tubes 57, 5 secured to a block 61 having a slot 161 engage by a member 123 to prevent rotation of th tubes which carry ball bearings 66, 67 support ing a housing 56 secured to the head 20. The barrel 18 is secured to the head by a member 5 which retains a ring 49 consisting of arcuat segments in a groove in the barrel, the othe head 21 being secured to the barrel in a simile manner. The piston 19 is connected to the rod 22 by a cap member 39 which retains ring 58 of arcuate segments in a groove in the rod, the rod passing through a seal 36 in the head 21. The end of the rod is formed with an axial recess 41 connected by a passage 42 to one side of the piston and by the interior of the tube 58, a passage 62 and port 61 to a line 24. The other side of the piston is connected by the annular space between the tubes 57, 58 and a port 60 to a line 25, the lines 24, 25 being connected by a control valve to a pump 26. A valve 64 is disposed in the passage 62 to permit free flow of fluid from the pump to the interior of the tube 58 when the pump is connected to the line 24, the fluid passing through the recess 41 and passage 42 to move the piston and rod rapidly to the left, fluid from the left-hand side of the piston passing through the annular space between the tubes to the ports 60 and line 25. When the pump is connected to the line 25 to move the piston and rod to the right, the valve 64 closes so that the fluid from the right-hand side of the piston can only flow through a restricting passage 65 which limits the speed of the piston. The piston 19 is provided with seals 48 and a soft metal overlay 47 or the like. In an alternative embodiment, the piston is screwed on to the rod to retain a ring of arcuate segments in a groove in the rod, the piston being prevented from unscrewing by a pin inserted in a hole at the junction of the piston and rod.
Patent GB-1322105-A (GB)
Title: Compressors
IPC: F04B37/12
Filed: 1971-07-14
Abstract: 1322105 Reciprocating compressors INSTITUT FIZIKI VYSOKIKH DAVLENY AKADEMII NAUK SSSR 14 July 1971 [23 July 1970] 32929/71 Headings F1A, F1N A compressor for liquids or gases comprises a plunger 15 reciprocable in a cylinder 12 subjected externally to the delivery pressure in a surrounding annular space 13, the plunger entering a compression chamber within the cylinder through a bushing 16 having a conical portion urged radially inwardly into sealing contact with the plunger by the pressure created in the chamber. The ends of the cylinder 12 are clamped between faces 18, 20 on the bushing 16 and a piston 6, respectively. A pump 21 delivers oil past a non-return valve 22 to load the piston 6, the pressure of this oil being increased as the delivery pressure increases and displaces a piston 24 in a cylinder 23. An assembly of concentric rings 8 surrounds the cylinder to define the annular space 13. Fluid enters the compression chamber through channels 19 uncovered by the plunger during its suction stroke and leaves through a spring-loaded discharge valve 7.
Patent GB-1262029-A (GB)
Title: A tape reeling mechanism for a video tape recorder
Inventor: NAKANO TATSUMI
IPC: G11B/
Filed: 1970-07-07
Abstract: 1,262,029. Tape recorders. AKAI ELECTRIC CO. Ltd. 7 July, 1970 [7 July, 1969], No. 33004/70. Heading G5B. In a tape recorder drive mechanism, a lever 33 may be pivoted to bring a drive pulley 37 into contact with either a reel support 22 or, via an idler 40, a reel support 21. The lever 33 is shown locked in a neutral position with a pin 35 on the lever engaging a triangular opening 30 in a spring biased slide 25, but depression of "quick return" or "quick feed" push buttons 14, 15 causes corresponding actuators 23, 24 to first push the slide 25 forwards and so release the pin 35, and then to rotate a pivoted lever 43. The lever 33 is thereby pivoted through the action of spring arms 48 and a co-operating pin 49.
Patent GB-1093774-A (GB)
Title: Improvements in or relating to crystal processing
IPC: C30B31/10
Filed: 1965-08-03
Abstract: In the heat treatment in a sealed tube of gallium or indium phosphide, the tube is contained in a pressure-controlled autoclave and the difference between the pressures in the autoclave and tube is maintained below 5 atmos. Relative movement between the material and a heater outside the tube is effected at least partially by means of a magnet outside the autoclave which is coupled with another magnet inside the tube.  The heat treatment may be crystal pulling (Fig. 3), floating zone melting (Fig. 4), vertical progressive freezing (Figs. 5 and 6), horizontal progressive freezing (Fig. 7), or diffusion or epitaxial growth from the liquid or vapour phase (Fig. 8).  The phosphide may be formed in situ.  Zinc may be diffused into indium phosphide at a pressure of more than 20 atmos.  The temperature of the tube may be measured by a thermocouple.
Patent GB-651704-A (GB)
Title: Improvements in and relating to the treatment of stockings and other shaped textile articles
IPC: D06C5/00
Filed: 1948-12-23
Abstract: <PICT:0651704/IV (c)/1> An apparatus for preboarding or plasticizing shaped textile articles, more particularly nylon stockings, comprises an endless conveyer 10 carrying forms 10a for the reception of the shaped textile articles and a preboarding or plasticizing chamber 17 through which the forms are passed due to movement of the conveyer, and in which the articles on the forms are subjected to the combined action of steam and infra-red rays emitted by infra-red lamps or suitable elements to preboard or plasticize the same, and is characterised by the provision immediately preceding the preboarding or plasticizing chamber of a separate chamber 30 through which the forms are passed, means may be provided within said chamber for preheating the forms, e.g. by directing heated air and/or steam on to the same, and the articles thereon prior to their entering into the preboarding or plasticizing chamber. Specifications 458,550, [Group VIII], 589,973 and 605,368 are referred to.
Patent GB-452492-A (GB)
Title: Elastic insole for cushioning the heel and foot
IPC: A43B13/38
Filed: 1934-11-09
Abstract: 452,492. Insoles for boots and shoes. KUCH, E., 39, Sanderstrasse, Wurzburg, Germany. Nov. 17, 1934, No. 33164. Void [Abridged as open to inspection under Sect. 91 of the Acts, May 18, 1935]. [Class 17 (ii)] A leather insole a, Figs. 1, 2, of normal thickness is cut out at the forepart b or under the heel, or at both these parts, either for part of its thickness or completely therethrough, and the space is filled with an elastic porous cushion of sponge rubber. This cushion in the first construction is fixed to the border d adjacent the cut out portion, while in the second construction a thin elastic layer e, Fig. 2, is fixed over the top or the underside of the hole. Holes may be punched in the part c of the insole, where this exists, to increase the ventilation.
Patent GB-200532-A (GB)
Title: Improvements in machines for the photographic composing of letterpress and the like matter
IPC: B41B27/32
Filed: 1922-01-10
Abstract: 200,532. Hunter, E. K. Jan. 10, 1922. Type-composing. -In photographic apparatus for composing letterpress and like matter, of the kind comprising means for projecting selected characters on to a sensitive surface, and strip-controlled devices for imparting differential letter-spacing feed to the sensitive surface, the stripperforations are arranged to determine the spacing - movement when the corresponding characters are brought into position for projection; the spacing- movement may occur in two steps, each equal to half the width of a character, or, in some cases, equal to half the width of the character presented and the following character. The stencilfilm 1, Fig. 5, described in Specification 195,104 is formed with an extension 62 having spacing- perforations 67 - - 70 corresponding to the characters 66 in register therewith, and co-operating with contacts 64<a> - - 64<d> controlling the spacing- mechanism. The sensitive surface is supported on a carriage 53, Fig.. 6, normally locked by an electromagnet 52 which is de-energized when the selected character has been set, the carriage being thereupon locked to an electromagnet 54 on a longitudinally-movable rod which is moved to a position determined by stop-mechanism 55, described in Specification 200,127, comprising electromagnets 56 in circuit with the contacts 64<a> - - 64<d>. The spacing-movement occurs in two half-steps, the circuits of the electromagnets being opened and closed twice at each operation. The apparatus comprises a keyboard 50, Fig. 1, a casing 10 for the carriage 53, a light-source 8, a lens-system 9, and a shutter 12 operated by an electromagnet 13. The stencil-film passes over spools 4, 5, associated with the stop-mechanism described in Specification 200,782 for determining the travel of the film to select a fount and a character. The keyboard comprises keys 51 and a lever 49, controlling the character and fountselecting stops respectively, and a lever 58 operating focussing-mechanism 60 for enlarging or reducing. Instead of operating the apparatus directly, the keyboard may be employed for preparing a perforated strip for controlling the stencil-film and the spacing-mechanism, the extension 62 of the stencil-film being dispensed with. In this case, the spacing-movement of the carriage may occur in two steps equal to half the width of the character presented, and the following character respectively, the perforations of these two characters being employed to determine the spacing-movement.
Patent GB-506659-A (GB)
Title: Improvements in or relating to remote control systems for volume or gain control of electron discharge device amplifiers
IPC: H03G1/02
Filed: 1937-12-01
Abstract: 506,659. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and OLIVER, A. L. Dec. 1, 1937, No. 33251. [Class 40 (v)] In an amplifier remotely controlled by varying negative feedback by means of a variable impedance in the' cathode lead the output is taken between earth and a tapping on a potentiometer connected between the anode and the cathode. The Figure shows the volume control resistance VR and a condenser 20 which may be associated with the potentiometer 14 to compensate for the capacity of the cable IC, OC. With the volume control resistance at maximum value the tap 16 on the potentiometer 14 is adjusted for zero volume as the grid and anode are in opposite phase. When this adjustment has been made gain control is effected by resistance VR.
Patent GB-634419-A (GB)
Title: Improvements in or relating to rolling toys
IPC: A63H13/18
Filed: 1947-12-17
Abstract: 634,419. Rolling toys. BATCHELOR, T. C. N. Dec. 17, 1947, No. 33319. [Class 132 (iii)] A toy comprises at least one figure pivotally mounted in a transparent case having a circular tread, the (or each) figure being mounted so that its centre of gravity lies below its pivotal axis so that the figures acquire a swaying movement as the case rolls along. The pivot or pivots may be concentric or eccentric with the axis of the case and several figures may be mounted on one pivot. The figures may represent horses, dogs, bicycles or the like. The case, which may also be formed as an openwork frame, may be cylindrical, ovoid or spherical and may be pivoted on a handle by which it is pushed. The drawings show a cylindrical case a of cellulose acetate with sockets n secured like eyelets to the front and back walls to carry pivot pins c and d on which sleeves k attached to the figures hand m are mounted. When the case is rolled along a surface, the figures execute an approximately cycloidal movement and may be tripped by the side walls or the pivots of the other figures. The figures may be mounted on the ends of pivots the other ends of which are attached to a rigid transparent disc attached to one wall of the case. Central eyelets may be arranged in the case through which a string is passed by which the toy may be pulled along. The toys may form a race game when used with a track, which may be curved and provided with a guide wire or flange.
Patent GB-393934-A (GB)
Title: Improved process of mixing liquids
IPC: B01F3/12
Filed: 1931-12-01
Abstract: <PICT:0393934/III/1> A process for mixing liquids not wholly soluble in each other, or finely subdivided solids and liquids flowing together through a pipe, consists in forcing at least one of the liquids into the pipe under pressure such that its velocity is not less than that required for the production of turbulent flow.  The pipe may be subdivided into sections by enlargements in which the velocity is such that separation occurs, treating-liquid being added at the beginning of each section and withdrawn at each enlargement. Fig. 2 shows apparatus for the emulsification of heavy tar oil.  An aqueous solution, containing emulsifying and stabilizing agents, is circulated at the rate of 25 gallons oer hour by means of a pump A through a 24 ft. pipe B of \ba1/4\be inch bore, the circuit including a reservoir C.  Heavy tar oil is supplied through a pipe D at the rate of 18 gallons an hour, and emulsifying-agent through a pipe E at the rate of 6 gallons an hour : a coarse emulsion is withdrawn by a pump F and more completely emulsified by being forced through a pipe G.  Specification 367,513 is referred to.
Patent GB-1269710-A (GB)
Title: Improvements in and relating to ignition devices for internal combustion engines
IPC: F02P1/08
Filed: 1969-07-03
Abstract: 1,269,710. Ignition systems; preventing engines running in the incorrect direction of rotation. ROBERT BOSCH G.m.b.H. July 3, 1969 [July 4, 1968], No.33534/69. Heading F1B. An ignition system of the capacitor discharge type having a controllable electronic discharge switch 13 comprises means operable, when the engine is running in the incorrect direction of rotation and after the ignition capacitor 10 has been charged by means of a charging winding 2, for influencing at least one electrical parameter of the system so as to prevent a discharge from the capacitor effecting an ignition operation at a time when the engine is adjacent top dead centre and a control voltage for actuating the discharge switch is provided by a control winding 3. As shown, when the engine is running in the incorrect direction of rotation a positive voltage half wave is induced in the winding 3 having such a low peak value that the minimum control voltage is not attained across the control electrode G of the switch 13. A number of alternative embodiments are described.
Patent GB-820830-A (GB)
Title: Improvements in vehicles having dual wheels
Inventor: GODBILLE FRANCOIS
IPC: B60F1/02
Filed: 1957-10-28
Abstract: 820,830. Arrangement of wheels and axles. FRUEHAUF FRANCE. Oct. 28, 1957, No. 33558/57. Class 108(2) A road vehicle of the type having a pair of double wheels 4, Fig. 2, has the two wheels of each dual wheel connected by a spacer rim element 5 which engages and rolls on a rail 2 of a railroad car 1, Fig. 1. The spacing between the two spacer rim elements is equal to the spacing between the two rails of the railroad car. Tractor 6 also has similar guide rim elements 7. Two extensible props 8 having flanged rollers 9 between forked ends support the front of trailer 3 on rails 2 when tractor 6 is removed.
Patent GB-830130-A (GB)
Title: Improvements in pistons for internal combustion engines
IPC: F02F3/12
Filed: 1958-10-21
Abstract: 830,130. Pistons. LAAGEWAARD, P. L. Oct. 21, 1958, No. 33572/58. Class 122 (1). In a light metal internal combustion engine piston the head 1 has a domed top surface la covered by a correspondingly shaped protective plate 2 secured by an inturned flanged edge that grips around the edge of the head. The plate is of steel and reduces the heat absorption by the piston.