baber/WOPTO huggingface dataset:
Patent GB-1057185-A (GB)
Title: Method of manufacturing electrical switching devices
IPC: H01H51/28
Filed: 1964-04-09
Abstract: 1,057,185. Electromagnetic switches. WESTERN ELECTRIC CO. Inc. April 9, 1964 [April 10, 1963], No. 14643/64. Heading H2B. A sealed magnetic contact device is manufactured by sealing a contact reed 11 in one end of a tube 10 and inserting a contact member 14 from the other end of the tube with its end 15 wedged between the contact 11 and tube 10. The member 14 is then sealed in the other end of the tube and its external loop is cut off. The arrangement shown provides a change-over contact device for operation by a coil or movable magnet the bias and contact pressure between fixed and movable contacts 13 and 11 being set by the method of manufacture. The fixed contact may be wedged between the tube and a non-magnetic portion welded to the end of the movable contact (Figs. 3 and 4, not shown). Fig. 7 shows an arrangement in which the contact members 23, 25, 27 are shaped to fit the inner faces of the tube 22 and fixed contact 27 is wedged between the tube 22 and movable contact 25.
Patent GB-956673-A (GB)
Title: Preparation of carboxylic esters
IPC: C07C45/36
Filed: 1963-04-11
Abstract: Carboxylic esters, wherein the ester portion is derived from a <FORM:0956673/C2/1> compound, are prepared by reacting such compound, with oxygen under anhydrous conditions, in a solution also containing dissolved therein (a) a cobalt-carboxylic acid-bromine catalyst (Br:Co being 0.008-1.9 to 1) (b) a carboxylic acid and (c) an alkali or alkaline earth metal carboxylate.  The examples describe the preparation of 3-acetoxy-cyclohexene from cyclohexene, alphaacetoxymethylstyrene from alphamethylstyrene, 3-acetoxyoctene-1 from octene-1, benzyl acetate and propionate from toluene, p-methylbenzylacetate from p-xylene and alphamethylbenzylacetate from ethylbenzene.  Many other suitable starting materials, including aryl compounds substituted with halogen and/or carboxy radicals and various carboxylic acids are specified. Specification 951,192 and U.S.A. Specification 2,992,272 are referred to.
Patent GB-328463-A (GB)
Title: Improvements in or relating to apparatus employed for printing or enlarging photographs
IPC: G03B27/54
Filed: 1929-05-11
Abstract: 328,463. Booth, W. May 11, 1929. Enlarging, copying, and reducing.- An automatic timing device for controlling the duration of exposure in printing and enlarging apparatus comprises an angularly displaceable member incorporating a switch which, during the movement of the member to any one of a number of setting positions, maintains the circuit through the light source open, and, when the member is released after completion of the setting operation, closes the circuit through the light source and maintains it closed until the member moves into contact with a fixed stop. In an embodiment, the mechanism with its speed regulator 21 is enclosed in an insulating casing 5, 6, 7. A spindle 9 carries (1) a freely mounted sleeve 10 having a radially projecting switch arm 10a and a setting arm 13 (Fig. 3), (2) a freely mounted disc having a metallic upper portion 12a and a vulcanite lower portion 12b and carrying pins 11a, 11b, the pin 11b being electrically connected with the metallic portion 12a whilst the pin 11a is insulated therefrom, and (3) a rigidly mounted ratchet wheel 17. Mounted on the vulcanite disc 12b is a yoke 15 carrying a pawl 16 for engaging the ratchet wheel 17. The main spring 18 is fixed at one end to the yoke 15, and at the other to a fixed pin 18a. The switch arm 10a engages between the pins 11a, 11b, a spring 14 tending to draw it towards the live pin 11b. The electric circuit for the lamp is completed through lead 19a, wiper 20, pin 11b, switch arm 10a, clockwork mechanism and lead 19. In operation a pin 8 is placed in the zero position on the dial 7, and the setting arm 13 is drawn against it by the spring 18, so that the switch arm 10a engages the insulated pin 11a against the tension of the spring 14, the circuit being then broken. To set the time switch, the arm 13 is manually rotated in an anticlockwise direction until it engages a further pin 8 which is inserted in the desired one of a series of sockets 7a. On releasing the arm 13 the spring 14 draws the switch arm against the live pin 11b, closing the circuit, which is broken again when the setting arm 13, rotating under the action of the spring 18, makes contact with the pin 8 in the zero position. In a modification, the actuating knob for the setting arm and a contact are pivoted on the setting arm. The contact is spring-urged to the contact-making position, but is held in the contact-breaking position by a stop in the zero position of the setting arm and by manipulation of the knob during the setting operation. Further modifications are described in the Provisional Specifications.
Patent GB-1522447-A (GB)
Title: Steel article having a nitrided and partly oxidized surface and method for producing same
IPC: C23C8/22
Filed: 1977-04-07
Abstract: 1522447 Nitriding steel NISSAN MOTOR CO Ltd 7 April 1977 [8 April 1976] 14874/77 Heading C7U A steel article is nitrided in an ammonia atmosphere containing 1-10 vol. per cent of oxygen or 5-50 vol. per cent of air to form a nitrided layer, the outermost part of which is an oxidized layer. The process may be in two stages, the first by nitriding in an ammonia atmosphere contacting less than 1 vol. per cent oxygen, followed by a further treatment in an oxygen/ammonia atmosphere, with or without intermediate cooling. The process may be carried out at 450-650C. The resultant oxidized surface acts as a running-in surface which prevents good surface-to-surface contact with a mating surface without deterioration in wear resistance after the running-in period.
Patent GB-496491-A (GB)
Title: Improvements relating to the colouring and waterproofing of textile fibres, fabrics and like materials
IPC: H03J5/32
Filed: 1937-05-28
Abstract: Coloured water-proofed textile materials, e.g. yarns and woven or knitted fabrics of cotton, linen, wool, viscose or acetate rayon are made by bringing into contact thereon an amphoteric protein, e.g. casein, and an amphoteric metal compound in the presence of a colouring matter or a substance which during the treatment gives rise to a colouring matter, and establishing acid conditions in the material whereby the amphoteric substances are caused to combine and the material is coloured.  Suitable metallic compounds are hydrated zinc and aluminium oxides, aluminates and aluminium hexa-formate or hexa-acetate.  The process may be carried out as described in Specification 496,490, and the colouring matter may be applied in conjunction with the protein or metal compound or incorporated in a mixture of the two reagents. The colouring matter may be an acid, direct or basic dyestuff, a pigment or a developed dyestuff such as an azo compound derived from 2.3 - hydroxynaphthoic acid arylides. Thus, an alkaline solution of the protein and metal compound containing the arylide may be applied to the textile, which is then treated with an acetic acid solution of the diazotized amine.  In typical examples: (1) fabric is padded first through the emulsion described in example 3 of Specification 496,490 to which has been added a solution of an acid dyestuff, e.g. naphthalene red, or a direct-dyestuff, e.g. benzo sky blue, or a basic dyestuff, e.g. methylene blue DBB, and then through a solution of aluminium hexa-acetate or hexa-formate, to which acetic or formic acids may be added; (6) cotton cloth is padded first through the emulsion of example 1 containing an arylide of 2.3-hydroxynaphthoic acid and then through a solution of diazotized m-nitro-p-toluidine containing aluminium hexa-formate or hexa-acetate, washed, dried and stentered.
Patent GB-559983-A (GB)
Title: Improvements in or relating to electric soldering irons
IPC: B23K3/03
Filed: 1942-10-23
Abstract: 559,983. Two-part couplings. STANDARD TELEPHONES & CABLES, Ltd., and GILLIVER, G. Oct. 23, 1942, No. 14894. Drawings to Specification. [Class 38 (i)] [Also in Group XI] A soldering iron is supplied from a step-down transformer which is combined with a plug for insertion into a convenient socket.
Patent GB-1430744-A (GB)
Title: Apparatus for loading and unloading an oven
IPC: A21B3/02
Filed: 1974-04-04
Abstract: 1430744 Loading and unloading ovens WERNER & PFLEIDERER 4 April 1974 [27 April 1973] 14929/74 Heading A2A A tier baking oven 1 has baking chambers 2 which are disposed one above another and which display at the oven front wall 3 in each case a charging opening 5 closable by a door 4. The oven 1 is provided with an auxiliary arrangement which consists of a support frame 7 which is designed as a frame aligned parallel to the oven front 3 and is supported by rollers 10 on the floor and is provided with an elongate arm 11 which is guided by its free end in a bearing 12 disposed at the upper side of the oven 1 by rollers 13, 14 and 15. At its under side, the arm 11 displays a toothing 16 which corresponds with a spur wheel drive 17 disposed at the oven. The shaft, coupled with a motor 18 brings about forward and reverse movement of the support 7. Abutment means 8 are provided at the support 7 in the form of rests for the end edge portions of dough piece carriers 6 far from the oven and rests 9 are provided for the other end edge portions of the dough piece carriers 6. The covering of the auxiliary arrangement with dough piece carriers can ensue by hand or by means of a rack carriage 33 having a rack support 34 and struts 35. When the support 7 is moved toward the oven front 3, the doors are automatically opened by means of a control cam 27 and the carriers 6 are pushed into the baking chambers 2, the ends of the carriers 6 rolling over rollers 23. Hook-shaped engagement members 26 then come into connection with the rollers 23 whereby the rollers 23 in slots. 25 are pushed towards the oven interior. At the end of the pushing-in process, the roller blind holders of the dough piece carriers 6, constructed as blind draw-off devices, pass in known manner behind an abutment 38 which is lowerable by lateral folding over into the baking chamber floor. By reversal of the direction of rotation of the motor 18, the support 7, with the dough piece carriers 6, is moved from the oven front 3 away outwardly and the dough pieces pass on to the baking chamber floor.
Patent GB-182746-A (GB)
Title: Apparatus for firing hand grenades
IPC: F41C27/06
Filed: 1921-08-24
Abstract: 182,746. Janecek, F. Aug. 24, 1921. Ordnance design.-A tube 3 for discharging grenades 2 is made with a longitudinal groove 5 terminating in a shoulder 6 opposite a cutaway portion 7 of the nozzle of the tube. A projection 4 on the base of the grenade is guided by the groove 5 and strikes the shoulder 4, whereupon the projection 4 is deflected laterally and a rotation is imparted to the grenade about a transverse axis.
Patent GB-122377-A (GB)
Title: Improvements in or relating to the Manufacture of Mechanically Cast Type Bars and Apparatus therefor.
Inventor: WALKER ARTHUR HENRY
IPC: B41B1/02
Filed: 1918-09-16
Abstract: 122,377. Walker, A. H., and Holbourns, J. G. Sept. 16, 1918. Printers' apparatus.-Shallow type-bars 3 are cast with a sprue 4 of less width and the casting is then divided at the junction of the sprue and the type-bar into two parts, one part being a typebar having no part of the sprue extending below the base, and the other part being a flat body suitable for use as a lead &c. Preferably the sprue is joined to an arch 6, 7 on the type-bar and the line of division is within the arch. The type-bar and the sprue are formed by recesses in the mould 1 and by the casting-slot 5 respectively. The arch is formed by recesses in the matrices 10 and ribs 9 on the mould. Division may be effected by a circular saw 8 while the casting is moving along guides.
Patent GB-741041-A (GB)
Title: Improvements in methods of forming protective metallic layers, in particular of chromium, on metal pieces
IPC: C25D5/34
Filed: 1951-06-26
Abstract: Metal articles are subjected to two successive treatments for the formation of protective metal layers thereon, the first of such treatments differing from the second and comprising a thermochemical treatment by at least one fluoride of an addition metal to form a diffusion alloy.  Ferrous articles may be chromized, using chromium fluoride, for 6 hours at 1100 DEG  C. and then sprayed with aluminium or calorized for 10 hours at 900-950 DEG  C. in a mixture of 30 per cent aluminium, 65 per cent alumina and 5 per cent ammonium chloride. Alternatively, the second coating may be of silicon, molybdenum or tungsten and the first coating may be of several metals together.  In a further alternative, chromizing is followed by electro-plating with chromium.  The thermochemical treatment may be carried out as in Specification 693,292.  Specifications 640,616 and 662,333 also are referred to.
Patent GB-476372-A (GB)
Title: Improvements in or relating to the manufacture of filtering masses for removing aerosols and like minute suspended matter from the atmosphere
IPC: B01D46/10
Filed: 1937-06-01
Abstract: 476,372. Folding fabrics. SOC. ITALIANA PIRELLI. June 1, 1937, No. 15258. Convention date, June 10, 1936. Addition to 433,190 and 434,700. [Class 42 (ii)] [Also in Group XXVIII] Filtering fabrics comprising fibrous material loaded with inert granular material and formed into woven, knitted or felted fabric as described in Specifications 433,190 and 434,700, are disposed in juxtaposed layers, the general direction of the fibres of successive layers being crossed. The Figure shows a device in which the fabric is fed through rollers 6, 7 to an oscillating head 9 by which it is delivered to a revolving support which may be the container for the filter mass ; the helically disposed layers so obtained are pressed down. The fabric may be severed at intervals during the delivery, or at the close of delivery by cutting or by stopping the rolls 6 while the rolls 7 proceed.
Patent GB-185810-A (GB)
Title: Improvements in electric alarms
IPC: G08B7/06
Filed: 1921-06-02
Abstract: 185,810. Amos, A. W., Lloyd, W. E., and Lloyd, A. L. June 2, 1921. Flexible pull actuation; bases. - A switch to prevent interference with the leads of a. burglar alarm system consists of a conducting tube 19 to which one of the leads A is attached and a metallic rod 23 with contacts 24, 25 thereon to which the other lead B is attached. The rod 23 slides within an insulating sleeve 20, and a spring 26 keeps the contacts 24, 25 from the tube 19, the lead B being under slight tension. If the wire B is pulled in the direction of the arrow, contact 24 closes the circuit, and if the wire B be cut the contact 25 is drawn by the spring 26 to complete the circuit. The casing of a switch, Fig. 1, having an external contact t forced away from the fixed contact v by a closed door or window is secured to the door or window frame by driving in a pin x.
Patent GB-672712-A (GB)
Title: Improvements in or relating to machines for brushing and dusting skins and hides of leather
IPC: C14B1/44
Filed: 1949-06-09
Abstract: 672,712. Brushing and dusting skins. TURNER TANNING MACHINERY CO., Ltd., and HALL, C. May 23, 1950 [June 9, 1949], No. 15389/49. Class 138 (i). A machine for brushing and dusting skins comprises in combination a casing having at opposite ends thereof openings to permit the entrance and exit of a skin, at least one pair of co-operating rotatable brushes mounted one above the other in the casing so as to act on opposite sides of a skin, and a continuous or substantially continuous support for a skin extending across the casing from the vicinity of the entrance to that of the exit and passing between the brushes, the support being of open character and adapted to allow penetration therethrough of the bristles of the lower brush. The casing 1, Fig. 1, of sheet metal and/or wood has an entrance opening 3, exit opening 5 and  outlets 24, 27 connected to a source of suction, suction passages being formed between the casing and baffles 22, 25. Extending horizontally across the casing between the entrance and exit openings is the support, for a skin 12, comprising a series of parallel rods or wires 8, Fig. 2, each tensioned by a nut 9 between fixed members 6, 7. Two pairs of horizontal brushes 10, 11 and 16, 17 driven by means not shown so that the brushes of each pair rotate in opposite directions are arranged within the casing so that the bristles of the upper brushes 10 and 16 extend down to the wires 8 while the bristles of the lower brushes 11 and 17 extend up and through the spaces between the wires. The wires are set obliquely to the axes of the brushes as shown in Fig. 2 so that channels worn in one pair of brushes will be offset laterally in relation to channels worn in the brushes of the other pair, so the pairs of brushes will between them brush and dust the entire surface of a skin passing therethrough without leaving any unbrushed  '  strips. Between the pairs of brushes are arranged driven upper and lower skin controlling and feeding rollers 18, 19. The lower roller 19 is circumferentially grooved at intervals, as at 20, to receive the wires 8 and allow the roller to protrude through the support for contact with the roller 18, which may be of wood covered with felt, rubber or the like. Arranged in the entrance opening 3 is a pair of skin controlling and feeding rollers 13, 14 of which 14 is positively driven so that 13 is driven by friction. Sloping tables 15 and 21 are provided at the entrance and exit openings respectively.
Patent GB-614468-A (GB)
Title: Connector device for making the electrical connection between a cable and a contact member
IPC: H01R24/58
Filed: 1945-06-18
Abstract: 614,468. Two-part couplings. TELEFONAKTIEBOLAGET L. M. ERICSSON. June 18, 1945, No. 15483. Convention date, June 19, 1944. [Class 38 (i)] To avoid the use of binding screws, the cable conductors 9, 10 are secured to segmental-shaped thimbles 5, 6 having concentric sockets 1, 2 which may be axially displaced, to receive the concentric pins 12, 13 of a jack 11. The thimbles are secured, with their plane surfaces against insulation 7, by means of cotton thread 8, over which is a wire binding 14 connected to the third conductor 16 ; a threaded collar screwed on to the plug at 15 makes engagement with the wire 14.
Patent GB-561231-A (GB)
Title: Laminated reinforced concrete structures
IPC: B28B1/16
Filed: 1942-11-05
Abstract: 561,231. Reinforced concrete. STEUERMAN, S. Nov. 5, 1942, No. 15620. A Specification was laid open to inspection under Sect. 91 on Nov. 20, 1942. Drawings to Specification. [Class 20 (iv)] In floors, roofs and walls of buildings and the hulls of ships and, docks formed of layers of concrete of different physical properties such as strength, hardness, heat and sound insulation, the degree of shrinkage is the same for each layer, and each layer is spread before the previous layer has completely set.
Patent GB-621627-A (GB)
Title: Improvements in or relating to electric torque amplifying or transmitting mechanisms
IPC: G05D3/14
Filed: 1946-05-23
Abstract: 621,627. Oscillating motors. GRASEBY, R. C. May 23, 1946, No. 15678. [Class 35] [Also in Groups XXIV and XXXVIII] In a torque-amplifying or follow-up mechanism (Group XXXVIII), two oscillating motors are used. Each motor comprises a permanent magnet armature 22 free to oscillate between the polepieces 32 of two electromagnet assemblies 37 and biassed to its mid-position of oscillation by resonant springs 33. Each electromagnet 37 has two limbs 36, 36a; each limb 36 carrying a coil 21 which is energized from an A.C. supply. Hence, the polarity of the polepieces 32 will alternate and the armature will tend to centre itself, first between one pair of opposed polepieces 32 and then between the other pair.
Patent GB-402684-A (GB)
Title: Improvements in or relating to motion picture film apparatus
IPC: G03B1/42
Filed: 1933-05-31
Abstract: 402,684. Kinematograph apparatus. KODAK, Ltd., Kingsway, London.-(Assignees of Wittel, O. ; 343, State Street, Rochester, New York, U.S.A.) May 31, 1933, No. 15684. Convention date, June 30, 1932. [Class 97 (i).] In kinematograph apparatus, for economising space inside the casing, the film is led twice over the same sprocket as it leaves the supply roll and as it winds onto the take-up roll, the portion of film between the two points of contact with the sprocket being formed into a loop encircling one of the rolls. As applied to a film magazine containing two reels 10, 11, Fig. 1, and a gate aperture 5, the film F passes from the supply reel 10 by way of a driven sprocket 12, the gate 13, and the sprocket to the take-up reel 11, which is loosely encircled by the loop formed by the film between the two parts engaged by the sprocket. Guide pins 18, or an arcuate plate are provided to keep the film in engagement with the sprocket and other guide pins 16, 17 are provided to maintain the loop. The take-up reel consists of a cylinder 22 to which the end of the film is secured by a clip 21 and which is friction-driven by a core 23 loosely mounted on a spindle 24 mounted on the back plate 9. The sprocket wheel carries a pinion wheel 25 which drives, through an idle pinion 26, the pinion 28 on the core 23, the gearing ratio being such as to maintain the tension on the winding part of the film. Bosses 29 on the plate 9 guide the edges of the film and provide spaces for the gear wheels. The side wall 2 of the magazine is overlapped at the front by a spaced plate 3 forming a housing for a flexible shutter. Both the side wall and the plate 3 have exposure apertures 5 and apertures 8 for an outside intermittent feed mechanism. The gate 13 has a spring tongue 13 which is engaged by the flat side of a post 15 provided on the back plate 9. In the magazine shown in Fig. 4, which is provided with a floating gate 45 as described in Specification 402,683, the loop, is guided by two plates 55, 56 between the reels and the feed sprocket 37 is driven from the intermittent feed claw mechanism 42 by gearing 47-50. The reels 33, 34 are driven from the feed sprocket by a friction belt 38, and have one-way clutch connections so that they can be used alternatively as supply or take-up reels when two series of pictures are to be recorded on or projected from one film. The gearing ratio between the sprocket and the reels is such as to maintain the tension of the film in winding.
Patent GB-201529-A (GB)
Title: Terminal or junction box for insulated high tension electrical cables
IPC: H02G15/103
Filed: 1923-06-18
Abstract: 201,529. Forges et Ateliers de Constructions Electriques de Jeumont Soc. Anon. July 26, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Cable couplings; junction - boxes. - Joints between high-tension cables A<1>, A<2> are enclosed in leak-proof junction-boxes which are filled with insulating material under pressure after the formation of a vacuum in the junction-box. The junction-box D is hermetically sealed around the joint and cables by gaskets or lead joints, and rings G may be soldered or welded to the sheathing of the cables and incorporated in the lead joints. The box is connected to an air pump by a pipe H and valve K ar.d by a pipe and valve M to a closed vessel I containing fluid insulating material under pressure from compressed air in a pipe N. After the exhaustion and filling of the junction-box the pipes are disconnected and plugs screwed on to the pipes h, m with which the box is fitted. The joint described comprises " fan-shaped members " on the ends of the lead sheath to minimize risk of breakdown along the bared insulation of the cable by a better distribution of lines of electric force.