baber/WOPTO huggingface dataset:
Patent GB-502100-A (GB)
Title: Improvements in or relating to combined cinematographic and sound cameras
IPC: G03B31/00
Filed: 1937-09-10
Abstract: 502,100. Combined kinematographic and sound-recording cameras. KOLB, O. K. Sept. 10, 1937, No. 24734. [Class 40 (ii)] A combined kinematographic and soundrecording camera is provided with optical sound-recording means which is so mounted that it can be readily moved to one of two positions so that, irrespective of the direction in which the emulsion layer on the film is facing in the camera, the sound modulated light beam is always arranged to fall, directly on to said emulsion layer. With such an arrangement, a film can be used with the emulsion arranged facing the picture objective as in normal black and white film practice or a film may be employed in which a colour filter reseau, screen or screens and, it may be, the film base is interposed between the objective and the emulsion layer for the purpose of producing colour films or in which the interposed film base is goffered or lenticulated for the production either of coloured or stereoscopic effects, the sound in all cases being recorded directly on the emulsion layer. Fig. 3 shows an arrangement in which the picture image sequence is projected on the zone 02 of the film 0 by an objective 1 whilst adjacent to and on each side of the film in the vicinity of the sound track zone 03 are located two similar prismatic and lens combinations 21, 22 and 20, 23. The optical sound-recording device 25 together with its associated lens system 26 and prism 27 are mounted on a carrier 3 which is adapted to slide parallel with the optical axis of the lens 26 on a guide 4 so as to bring the prism 27 into one or other of the positions shown. The carrier 3 has mounted thereon a spring-controlled index indent 31 adapted to engage in one or other of the notches 41, or 42 in guide 4, thus serving to index the recording arrangement 25, 26, 27 in one or other operative position. Fig. 4 shows an alternative arrangement in which the recording device 25 and lens system 26 are adapted to rock about a pivot 28 so as to project the light through one or other of the prism and lens combinations 21, 221 and 20, 231 located on opposite sides of the film. Instead of rocking about the pivot 28, the recording device may be arranged with its optical axis parallel to the face of the film and may slide laterally so as to project the light into one or other of the prism and lens combinations. In a modification of this last arrangement, the recording device remains stationary and a rhomboidal prism, adapted to be rotated through 180‹, receives the light beam from the lens system 26 and by double reflection directs the beam through one or other of the lens prism arrangements.
Patent GB-354560-A (GB)
Title: Improvements in or relating to velvet
IPC: D03D39/10
Filed: 1930-08-19
Abstract: 354,560. Weft pile velvet. RIGG, A., 120, Portland Street, and BALSTONE, COOKE, & CO., Ltd., 17, Altrincham Street, both in Manchester. Aug. 19, 1930, No. 24753. [Class 142 (iv).] Two or three fast bound pile picks of artificial silk or soft cotton yarn are followed by one ground pick plain weave of hard-spun or twisted cotton or silk containing crape turns, the warp threads being of hardspun two-fold yarn. As shown in Fig. 1, the pile picks may float over seven warp threads. The ground weft is covered bv the floats of one or the other adjacent pile weft picks. Specifications 287,950 and 287,951, [both in Class 142 (iv), Woven fabrics &c.], are referred to.
Patent GB-958330-A (GB)
Title: Light fitting for fluorescent lamps
IPC: F21V17/16
Filed: 1962-06-28
Abstract: 958,330. Latch fastenings. E. LENZE, [trading as TRILUX-LENZE KOMM.-GES.]. June 28, 1962 [July 3, 1961; Jan. 19, 1962], No. 24814/62. Heading E2A. [Also in Division F4]. In a light fitting for fluorescent lamps of the kind in which the starters, lamp holders, &c. are mounted on the opposite sides of the reflector, the reflector is hinged at one side so that it can be swung down and is provided with a snap closure at the other side, both the hinge and the snap closure being self-locking in operative position. In the form shown in Fig. 1, the edge 6 of the reflector is bent down and has a stirrup 7 engaging in a hook 5 attached to the housing, a finger 8 mounted on the reflector engaging in a slot 9 on the hook 5 in the closed position. The opposite edge of the reflector carries a catch 11 engaging a projection 12 on the housing under the influence of a spring 4. The catch 11 has a tailpiece 15 for release of the catch. In a modification, a supporting piece 25, Fig. 9 secured to the reflector rests in a hook 28 on a supporting element 27 on the housing 1 and has an aperture 32 by which it can be suspended from the hook in lowered position. The supporting element has a turned over end 29 at the top, preventing upward movement of the piece 25 in the closed position. The catch comprises a plate 49 secured to the upturned end of the reflector by a spring 42. The plate 49 has a turned-over end 47 and a notch 50 engaging a finger 46 on the housing and a depending tail 48 for manipulation.
Patent GB-685004-A (GB)
Title: Improvements in or relating to fastening devices for windows, doors and like closure members
IPC: E05C3/04
Filed: 1950-10-11
Abstract: 685,004. Turnbuckle fastenings; locks. BROWN, E.L. Oct. 11, 1951 [Oct. 11, 1950], No. 24869/50. Class 44 A turnbuckle fastening is locked by a key lock mounted on a keeper plate and having a bolt adapted to cover part of the slot therein so as to prevent release movement of the arm of the turnbuckle. Fig. 1 shows the fastening in the locked position, and Fig. 2 shows the lock mechanism. The keeper plate 5 is attached e.g. to a window frame by screws passing through holes 18 so that the slot 17 is presented for engagement with the arm 23 of the turnbuckle. A sliding bolt 6 has extensions 20 one of which covers part of the slot 17 to prevent the arm 23 swinging to the release position. A spring loaded tumbler 7 pivoted to the plate 5 has a gate 11 co-operating with a lug 10 on the bolt 6. A key inserted through a key-hole 13 displaces the tumbler to the releasing position and moves the bolt to and from the shot position. The extensions 20 of the bolt cover the heads of screws passed through openings 18 to prevent their removal to open the window. The mechanism is covered by a flanged plate 4. The turnbuckle has a pivoted handle 22 and an attachment plate 26 mounted e.g. on the window by screws 27. The screws 27 may be covered by strips 29 bent over and retained by a bar 28 or by right angle projections from the extensions 20 of the bolt so that the screws cannot be removed when the bolt is in the locking position.
Patent GB-417694-A (GB)
Title: Light weight porous concrete
IPC: C04B5/00
Filed: 1933-09-08
Abstract: Blast furnace slag is granulated by mechanical disintegration of a stream of slag, the drops so formed being solidified and cooled.  The stream may be broken up by revolving steel vanes or by a blast of air, which may carry a spray of water or steam.  The drops are further chilled by contact with a stationary or rotating iron hull, on which water may be sprayed.ALSO:Preformed concrete blocks of density lower than 110 pounds per cubic foot are obtained by mechanically disintegrating a stream of molten blast furnace slag and solidifying and cooling the drops so formed into a granulate of hard porous particles, adding water to the particles, and consolidating the moist mass under a pressure exceeding 1000 pounds per square inch.  The blocks are cured in a moist atmosphere, preferably steam under high pressure, carbon dioxide may also be present; and the steam pressure may be released rapidly at the end of the cure, so that moisture is immediately evaporated.  The granulation may be effected by means of revolving steel vanes or a blast of air, which may carry a spray of water or steam, the drops being further chilled by contact with a stationary or revolving iron hull, on which water may be sprayed.  If the slag under treatment is acid, the cooling or other water used may hold bases in solution, or the bases may be added to the slag mix.  The granulate may be graded by sieving, and the grades may be re-mixed in any desired proportion, before adding water.  The finer particles may be ground to powder before re-mixing.
Patent GB-302957-A (GB)
Title: Coin freed apparatus for closet doors
IPC: G07F17/14
Filed: 1927-09-21
Abstract: 302,957. Andrews, J. D. F. Sept. 21, 1927. Turnstiles.-In order to prevent more than one person from entering, by a single payment, a lavatory or other place provided with a coinfreed door fastening, a pair of doors B1, B2, Fig. 2, fixed to each other at a wide angle, or hinged together and connected by a chain, is hinged at their junction C to the door post or within the lavatory, projections 3A, 3B being provided on the outer door and the lavatory wall respectively to contract the entrance and prevent the passage of a thin person when the doors are half open, and the movement of the double doors being controlled by a coin-freed device D. Inward movement of the door B1 to allow entry into the lavatory is prevented, until after prepayment, by a pawl L, Figs. 2 and 3, engaging a ratchet bar J slidable in guides N on the door and connected by a pivoted bar M to the lavatory wall. The pawl L is raised by a rod T sliding in guides U, the rod being held in its raised position by a pivoted catch W engaging the upper guide U. When the door B1 is fully opened the catch W meets an abutment X and is released, allowing the rod T to drop and the pawl L to re-engages the ratchet teeth K. In this position the door B2 closes the entrance and is locked by a sliding bolt. When the person leaves, the pawl L prevents the door B1 being again opened without a second payment. Instead of a sliding ratchet bar J, a fixed toothed quadrant at the top of the door engaged by a reversible pawl, may be used. A cam instead of a pawl may be used with a plain bar or quadrant. Coin action, mechanical-connection.-A coin Y, Fig. 5, inserted through a slot P drops through a tube O to a pivoted piece S. When the piece S is turned about its pivot R, the coin raises the rod T and is discharged when the piece S returns to normal position.
Patent GB-601076-A (GB)
Title: Manufacture of vinyl cyanide
Filed: 1945-09-26
Abstract: Water soluble cuprous chloride complexes used for the catalytic synthesis of vinyl cyamide from hydrogen cyanide and acetylene (see Group IV (b)) are prepared by incorporating in an acidic solution of cuprous chloride a substance which forms soluble cuprous complexes such as ammonium chloride, alkali metal chlorides, e.g. potassium chloride and amine hydrochlorides, e.g. ethanolamine hydrochloride. The solution should contain at least 0.5 gram of cuprous chloride per cubic centimetre and functions best when acidified by hydrochloric acid to a pH of about 1.0 to 3.0.  A little metallic copper should, desirably, be added to the catalyst.  In examples: (1) the catalyst is prepared from cuprous chloride, ammonium chloride, water and powdered copper, the preparation being conducted in the absence of oxygen.  It is then heated to 90 DEG  C. and acidified with concentrated hydrochloric acid to a pH of 2.0; (2) as in Example (1), using ethanolamine instead of ammonium chloride.ALSO:Vinyl cyanide is produced by bringing a mixture of acetylene and hydrogen cyanide in the absence of oxygen in the ratio of from five to seven mols. of acetylene per mol. of hydrogen cyanide into contact at 80 DEG  to 90 DEG  C. with an aqueous solution, of pH 1.0 to 3.0, containing a water-soluble cuprous chloride complex (see Group III) containing at least 0.5 gram of cuprous chloride per cubic centimetre of solution, at the rate of 0.02 to 0.03 part by weight of hydrogen cyanide per hour per part by weight of cuprous chloride.  Concentrated hydrochloric acid is best used to acidify the catalyst solution and suitable substances which are incorporated in the catalyst to form soluble cuprous complexes include ammonium chloride, alkali metal chlorides, for example potassium chloride, and amine hydrochlorides such as ethanolamine hydrochloride.  The acidity of the catalyst should be maintained at pH 1.0 to 3.0 by returning to it any vaporized hydrochloric acid or by adding fresh portions of acid.  It is further desirable to add a little metallic copper to the catalyst. The products of the reaction contain vinyl cyanide and unreacted acetylene with minor amounts of acetaldehyde, water, hydrochloric acid, hydrogen cyanide and polymerization products of acetylene. Refrigeration of the gases to from -65 DEG  C. to -60 DEG  C. gives a condensate from which vinyl cyanide is drawn off and purified by distillation. The uncondensed gas, chiefly acetylene, may be recycled.  Two examples are given in which ammonium chloride and ethanolamine hydrochloride are used respectively to form the water-soluble cuprous chloride complex.  Specification 591,945 is referred to.
Patent GB-1515512-A (GB)
Title: Ceramic bodies
IPC: C04B41/45
Filed: 1974-06-05
Abstract: 1515512 Ion-implanting ceramics UNITED KINGDOM ATOMIC ENERGY AUTHORITY 1 Sept 1975 [5 June 1974] 25026/74 Heading C1A [Also in Division C7] A conducting surface region (which may be buried) is formed in an electrically insulating ceramic body (e.g. of Al 2 O 3 ) by subjecting it to bombardment by a beam of Pb, Bi or Cd ions having sufficient energy for implantation, and terminating the bombardment when the required surface resistivity is achieved.
Patent GB-1170209-A (GB)
Title: Improvements in or relating to Distance Meters.
IPC: G01S17/10
Filed: 1968-05-24
Abstract: 1,170,209. Photo-electric ranging. TELEFONAKTIEBOLAGET L. M. ERICSSON. 24 May, 1968 [25 May, 1967], No. 25073/68. Addition to 1,132,505. Heading H4D. Specification relates to an improvement of the distance meter claimed and described in Specification 1,132,505, wherein the optical separation device provides the image of a dark spot in the field of vision of the optical sight, when the field is illuminated, and this dark spot is four sided in form. The spot may be square in form and so aligned in use that the diagonals thereof are respectively horizontal and vertical with respect to the field of vision. As in the parent Specification, the image may be formed by a hole in a mirror or an optical window in a prism.
Patent GB-379521-A (GB)
Title: Improvements in or relating to pressure gauges
IPC: B60S5/04
Filed: 1931-09-07
Abstract: 379,521. Pneumatic tyre pressure gauges. TURNER, W., 44, Eyre Lane, Sheffield. Sept. 7, 1931, No. 25116. [Class 106 (ii).] The gauge is connected to the deflating foot by an angularly adjustable connection. The deflating foot comprises an elbow A, B with connected bores A<1>, B<1> the limb A being adapted to fit over the stem of a tyre valve and being provided with a deflating projection C and seating washer D. The foot is rotatably mounted in a casing F integral with one end of the tube G leading to the gauge. The upper end of the limb B is provided with a cup leather H secured by a nut J and held against the inner surface of the casing by the bevelled edge of a spring-pressed sleeve K. The foot may be locked in one of several angular positions by a pin M projecting from the limb into a circumferential slot N formed on the casing and provided with a number of recesses into one of which the pin is forced by the spring L. The blot is normally covered by a screwed sleeve P through an opening in which the pin may be unscrewed.
Patent GB-631058-A (GB)
Title: Improvements in or relating to steam supply systems for central heating and other purposes
IPC: F16K31/56
Filed: 1947-09-13
Abstract: 631,058. Float-actuated valves. THORNHILL, R. H. Sept. 13, 1947, Nos. 25135 and 25136. Convention dates, Nov. 14, 1946 and Sept. 11, 1947. Addition to 577,658. [Class 135] The valve of the parent Specification for alternately admitting and exhausting steam to and from the float chamber is modified by having the valve member formed as a sleeve 18 having ports 19, 20 for co-operation with steam and air ports 15, 17 respectively in the casing and having a seating 22 between the ports for a liftvalve member 23 adjustably secured to the valve operating rod 1 to whose lower end the float is connected. The rod 1, whose upper end is associated with spring- toggle mechanism as in the parent Specification, has adjustable abutments 28, 27 for limiting its downward movement and for raising the valve member 18 respectively. A collar 1<SP>1</SP>, when the rod is in its upper position, engages the housing to reduce steam leakage. The arrangement is such that on the initial part of the downward movement of the float from its upper position the valve member 23 is seated causing the steam pressure to assist the actuation of the valve member 18. In a modification, the upper end of the rod 1 is enclosed in a cap secured to the casing to eliminate steam leakage, and the toggle mechanism is replaced by spring-loaded balls engaging circumferential grooves in the rod 1.
Patent GB-676736-A (GB)
Title: Method of purifying waste gases from viscose plants
IPC: A01K11/00
Filed: 1950-10-16
Abstract: Waste air from viscose plants containing less than 0.1 per cent hydrogen sulphide is purified by bringing the gases continuously into contact with ferric hydroxide, e.g. bog iron ore, and continuously passing off substantially non-poisonous non-malodorous gas.  The waste gases may be blown with steam to ensure the presence of at least 6 mols. of water to every 4 mols, ferric hydroxide.  The waste gases at a linear velocity of at least 1.5 cms/sec. are passed through at least two known absorption towers in series until the contact mass in the first tower contains 55 per cent sulphur.  The sulphur is extracted by carbon disulphide and the towers are then reversed so that the gases alway pass first through a tower which has absorbed some sulphur.  The absorption is preferably carried out in alkaline medium e.g. by addition of ammonia to the gases or solid or dissolved caustic lime or sodium hydroxide to the contact mass. The gases may be further treated with a finely dispersed absorbent such as activated carbon or silica gel, or with ozone.
Patent GB-1520521-A (GB)
Title: Separation of ferrous materials from non-ferrous material
IPC: B03C1/14
Filed: 1976-06-11
Abstract: 1520521 Magnetic separators BRITISH STEEL CORP 11 June 1976 [12 June 1975] 25225/75 Heading B2J  A drum magnetic separator comprises stationary magnets 12 within a stationary cylinder 11 while a rotatable cylinder 10 has external, generally radial, magnetisable fins 13 each pivotally connected to cylinder 10 so that when an obstruction is encountered by a fin it is temporarily deflected from its radial direction. The pivotal connections 14 can include springs (17) Fig. 2 (not shown) to restore the radial direction when the obstruction is overcome. The fins 13 can be cleaned by an indented scraper 18 which preferably acts from base to tip of each fin. The fins are preferably triangular or elliptical in crosssection. The drum can cooperate with conveyers in various ways. Thus in Fig. 3 (not shown) the drum rotates counter to a conveyer of mixed materials lifting ferrous material up to an overhead magnetised conveyer. In Fig. 4 (not shown) a mixture to be separated falls over the drum which is rotating with the flow of mixture and in Fig. 5 (not shown) such an arrangement has the drum rotating against the flow of mixture.
Patent GB-1313096-A (GB)
Title: Ornamental article
IPC: B44C1/00
Filed: 1970-05-26
Abstract: 1313096 Uses of luminescence GENERAL MILLS FUN GROUP Inc 26 May 1970 [26 May 1969] 25253/70 Heading C4S [Also in Division B6] An ornamental article comprises a shaped substrate with an ultra-violet responsive luminous material on at least the surface thereof and an overcoating of a flock material covering at least part of the surface of the substrate and adhered thereto. The substrates may have the luminous material incorporated therein or coated or impregnated thereon and are preferably white opaque plastics materials, e.g. vinyl resins, polyvinylidene chloride, polyethylene, polypropylene, foamed or expanded cellular materials such as foamed polystyrene or foamed polyurethanes. The luminous materials mentioned include phosphors composed of sulphides or silicate of zinc, cadmium, barium or strontium optionally activated with copper, silver, manganese or rare earths; minerals such as scheelite, willemite, calcite, scapolite, and sphalerite, organic dyes such as rhodamine and uranine dyes, optical brighteners, e.g. derivatives of 4,4- diaminostilbene - 2,2 - disulphonic acid, 4- methyl-7-diethylaminocoumarin and umbelliferone. The flock material may be applied as a decorative composition of a dry mixture of flock agents and adhesive. The adhesive may be pre-gelatinized starch or flour and optionally contains a fire retardant, e.g. borax or a phosphate. The flock may comprise wood pulp, cotton, rayon, cellulose acetate, jute, polyvinylidene fibres and polyester fibres, animal hairs, glass, wool, asbestos, chopped feathers. The substrate may be in the form of Christmas tree ornaments such as a sphere, tear drop or elongated prism, cones, cylinders, pyramids, flowers, leaves of plants.
Patent GB-420801-A (GB)
Title: Improvements in and relating to shearing machines for cutting sheet metal
IPC: B23D15/12
Filed: 1933-08-30
Abstract: 420,801. Shearing - machines. RHODES, C. J., Grove Iron Works, Wakefield, Yorkshire. Aug. 30, 1933, No. 25256/34. Divided out of 418,397. [Class 83 (iv)] An overcrank shearing- machine has a ram b of L- shaped outline, the operating link c being connected at a level more or less central with respect to the top and bottom of the ram, said point of connection being effected at the upper end of the forward face in, or nearly in, the plane of movement of the cutting edge of the knife f.
Patent GB-1223984-A (GB)
Title: Improvements in and relating to electro photographic developing processes and arrangements
Inventor: GRABE BERNT FRIED WALTHER VON
IPC: G03G9/00
Filed: 1969-05-17
Abstract: 1,223,984. Electro-photographic developing processes. RICOH K.K. May 17, 1969, No.25266/69. Heading G2H. A rupturable, developer-containing tube 4, e.g. tin foil or tin-plated polyethylene, is secured to a sheet 1 having a photo-conductive layer 2. An electrostatic latent image formed on layer 2 by imagewise exposure thereof is developed by rupturing the tube e.g. by passing the sheet between a pair of rollers, or by placing the sheet on a flat plate and moving a roller across it. A sheet of metal foil 5 is preferably secured to the edge of sheet 1 (or just placed over it) prior to the rupturing to ensure even distribution of developer solution. A voltage may be applied between the sheets 1 and 5 or between the rollers to assist developing and adjust gradation. Separation of sheets 1 and 5 during voltage application therebetween provides complementary images thereon, the contrast and polarity of which depend upon the voltage.
Patent GB-846495-A (GB)
Title: Improvements in or relating to gas filters
Inventor: JOHNSON AUSTIN EDWARD
IPC: B01D46/00
Filed: 1957-08-10
Abstract: Impregnation of a glass fibre gas filter mat with a silicone oil is effected by soaking in an oil, wetting agent and water emulsion followed by removal of the water, e.g. by a hot air jet.