baber/WOPTO huggingface dataset:
Patent GB-253243-A (GB)
Title: Improvements in or relating to the melting and remelting of metals and metallic waste
IPC: C22B7/00
Filed: 1925-03-24
Abstract: 253,243. Schmidt, K. March 24, 1925. Metals, preventing oxidation of during melting. -In a method of melting metals and metallic waste under a protective layer in an internallyheated furnace, for example a rotary furnace, the heat to effect the melting is applied to the material by means of the heated furnace walls. which are moved under the material.
Patent GB-312425-A (GB)
Title: Improvements in luffing cranes
IPC: B66C23/10
Filed: 1928-03-15
Abstract: 312,425. Jardine, J. March 15, 1928. Addition to 267,825. Jib cranes. - The form of level-luffing crane according to the parent Specification in which the load block is suspended in a bight of the hoisting rope, is modified by leading one branch of the rope round sheaves at the jib head and on the frame, instead of sheaves at the jib head and on the compensating lever. The free end of the rope is anchored to the lever or passed around a sheave therein and anchored to a fixed point. As shown in Fig. 1, the hoisting rope F passes from the drum E over sheaves H on the frame A and K on the jib head, round the load block L and then as many times as required round sheaves I, M at the jib head and J on the frame and is finally anchored to the compensating lever C at c<2>. The lever is connected at c<1> by a rod, rope or chain D to the jib head. In a modification, Fig. 2. (not shown) the rope passes from the drum round sheaves such as J, M, then round the load block and finally to the compensating lever.
Patent GB-198823-A (GB)
Title: An improved method or process of manufacture of cabinet or like catches, anti-friction runner fittings and like articles
IPC: E05C19/02
Filed: 1922-03-21
Abstract: 198,823. James, J. H. March 21, 1922. Fastenings; furniture and like castors. - In making spring bolts, ball castors, &c. a cylindrical case 1 is turned from rod and a ball or bolt 7, with a sprina 8 if employed, is inserted therein and retained by upsetting or by forcing the metal of the open end inwards. The case is turned with an external flange 3 and an internal flange or bottom 2. The case with inserted bolt &c. is placed in a socket 5 and acted on by a die 9 either die or socket having a shallow tapered recess 10, Fig. 1, or 14, Fig. 4, to force the flange 3 radially inwards. The die 9 also presses in the bolt &c. and may have a projection 15 for this purpose which also makes the inner flange 13 truly circular. If the recess 10 or 14 is sufficiently shallow it need not be tapered in this case it upsets the metall. An ejector 17 is used.
Patent GB-140600-A (GB)
Title: Improvements in starting devices in gear boxes on motor cycles
IPC: F02N3/04
Filed: 1919-04-01
Abstract: 140,600. Harris, J. C. April 1, 1919. No Patent granted (Sealing fee not paid). Turning-gear.- A kick-starter for application to the variable-speed gear of a motor - cycle comprises a pinion b loose on the shaft d of the starting-pedal f and driven from a ratchet-toothed disk g sliding on the shaft d. The pinion b gears with a pinion a on the main shaft of the gear, connected to the engine shaft through chain gear and a clutch. According to the invention. the disk g has two short slots engaged by spring plungers m. carried by the casing, and is normally held out of engagement with the pinion b by a light spring j. When the pedal f is depressed, the slots leave the plungers m, which force the disk into engagement with the pinion. At the end of the stroke, the slots register again with the plungers, and the disk is disengaged by the spring j.
Patent GB-467121-A (GB)
Title: Improvements in or relating to statement forms, letter sheets and the like
IPC: B42D15/08
Filed: 1936-03-18
Abstract: 467,121. Letter-sheets &c. BARTLETT, I. A., and ABBOT DUPLICATE BOOK CO., Ltd. March 18, 1936, No. 8128. [Class 146 (ii)] In a letter-sheet, statement form or the like, of the kind in which one or more tongues are provided either at the edge of the sheet or cut in the body of the sheet, the tongues being adapted to fit into slits in the sheet after the latter has been folded, an incision 2 provided at or near the rear of the tongues 9 forms a tab 4 in the body of the sheet, this tab facilitating insertion of the tongues into the slits and withdrawal therefrom.
Patent GB-692931-A (GB)
Title: Basically substituted propane compounds and the manufacture thereof
IPC: C07D277/28
Filed: 1950-03-23
Abstract: Basic compounds of the general formula <FORM:0692931/IV (b)/1> (in which R1 is an unsubstituted or substituted phenyl group, R2 is a heterocyclic radical and -N< is a tertiary-bound nitrogen atom) are prepared by treating a nitrile of the general formula <FORM:0692931/IV (b)/2> with an alcoholic solution of an alkali hydroxide.  The nitriles may themselves be prepared by reacting a nitrile of the formula <FORM:0692931/IV (b)/3> with an alkyl halide of the formula Hal-CH2-CH2-N< in the presence of sodamide or other agent capable of eliminating hydrogen halide; or a nitrile of the formula <FORM:0692931/IV (b)/4> may be reacted with a halogen-substituted heterocyclic compound. In examples: (1) 1-phenyl - 1 - thiazolyl (21) - 3 - dimethylamino - propane is made by heating a -phenyl-g -dimethylamino butyric acid nitrile with 2-chlorothiazole in the presence of toluene and sodamide, and heating the product with alcoholic potassium hydroxide; (2) 1-(31-methoxyphenyl)-1-thiazolyl - (21) - 3 - dimethylaminopropane is made by condensing a -(3-methoxyphenyl)-g -dimethylamino butyronitrile with 2-chlorothiazole and heating the product so formed with alcoholic potassium hydroxide; (3) 1-(31-methoxyphenyl)-1-pyridyl (21)-3-dimethylamino propane is prepared by reacting a -(3-methoxyphenyl) - g  - dimethylaminobutyrnitrile with 2-chloropyridine and treating the product with alcoholic potassium hydroxide; (4) 1-phenyl-1-pyridyl (21)-3-piperidinopropane is obtained by reacting phenyl-pyridyl (2)-acetonitrile with piperidino-ethyl chloride and treating the product with an alcoholic alkali solution; and (5) 1-phenyl-1-thiazolyl (21)-3-N-pyrrolidinopropane is made by reacting a -phenyl-g -N-pyrrolidino-butyronitrile with 2-chlorothiazole and heating the product with alcoholic caustic soda.  The group -N< may also be diethylamino or N-morpholino, and other heterocyclic groups specified are the 2,6-dimethylpyrimidine, benzthiazole and quinoline groups.
Patent GB-117286-A (GB)
Title: Improvements in the Manufacture of Steel.
Inventor: GREAVES HENRY ARNOLD
IPC: C21C7/00
Filed: 1917-06-08
Abstract: 117,286. Greaves, H. A., and Etchells, H. June 8, 1917. Alloys-Steels containing 2 to 15 per cent of manganese and not more than 0.4 per cent of carbon. with or without other metals such as chromium, nickel, or vanadium, are made (1) by adding ferro-manganese to molten steel and reducing the excess of carbon by the addition of manganese oxides or ores; or (2) by adding to molten steel ferro-manganese which has been separately refined in an electric furnace with manganese oxides: or (3) by adding manganese ore to the slag which covers the molten steel and treating with carbon to reduce the ore and pass the manganese into the steel.
Patent GB-385152-A (GB)
Title: Improved paper-feeding arrangement for typewriters
IPC: B41J11/48
Filed: 1932-03-19
Abstract: 385,152. Typewriters. SEABROOK, H., 31, Bedford Street, Strand, London.- (Taylorix Organisation Ges.; 46, K÷nigstrasse, Stuttgart, Germany.) March 19, 1932, No. 8253. [Class 100 (iv).] Sheet feeding and guiding arrangements.-To facilitate front insertion of sheets, the carriage is provided with sideguides, feed-rollers, and a guide-plate so arranged that the sheet is guided in a plane tangential to the platen, The arrangement shown in the Figure comprises flanged side-guides 18 adjustable on a rod 17, feed-rollers 10, 12, and a guide-plate 20 which is normally adjacent to the platen 1 and apron 4. The sheet b is pushed through the side-guides and into engagement with the rollers, and is fed on to the apron by rotating the roller 10. The guide-plate is secured to a spindle 21 and is raised to permit of typing. The top edge of the guide-plate may be employed as a gauge.
Patent GB-765880-A (GB)
Title: Improvements in or relating to ungelatinized tertiary amino alkyl ethers of amylaceous materials
IPC: C08B31/12
Filed: 1954-03-22
Abstract: The invention comprises ungelatinized basic starch ethers of the formula X-O-R-NR1R2 where X is the starch residue, R is alkylene or hydroxyalkylene and R1 and R2 are alkyl or aryl (not both aryl) or together form a saturated ring with the nitrogen atom.  These are made by reacting starch with an etherifying agent containing the basic residue under conditions such that gelatinization is avoided, e.g. when the amount of aqueous alkali would normally cause gelatinization a retardant such as sodium sulphate is added. Examples show the etherification of starch with b -diethylaminoethyl chloride, b -dimethylamino-isopropyl chloride, 3 - dibutylamino - 1 : 2 - epoxypropane, 2 - bromo - 5 - diethylamino - pentane, b  - dioctylamino - ethyl chloride, N - (2 : 3 - epoxypropyl) - piperidine and N - (2 : 3 - epoxypropyl) - N - methylaniline.  The product may be obtained as salt or free base.  In a further example the b -diethylamino-ethyl ether is quaternated with methyl iodide. The starting material may be corn, wheat, potato, tapioca, waxy maize, sago or rice starch or dextrinized, hydrolysed, oxidized, esterified or etherified derivatives thereof; in particular there may be used corn starch which has been acid-converted or oxidized with hypochlorite.  The basic ethers have improved stability on storage, particularly at low pH values.  The etherification is preferably effected by adding the aminoalkyl halide (or other reagent) to a suspension of starch in water containing an alkali hydroxide or quaternary base.  Alternatively the starch may be suspended in an inert medium such as isopropanol containing a quaternary base.  The amount of etherifying agent may be 0.5-30 per cent by weight of the starch.ALSO:Basic starch ethers of the formula X-O-R-NR1R2, where X is the starch residue, R is alkylene or hydroxyalkylene and R1 and R2 are alkyl or aryl (not both aryl) or together form a saturated ring with the nitrogen atom, are used as thickeners for phenol solutions in the plisse printing of nylon fabrics to produce a puckered effect. An example shows the use of the b -diethylamino-ethyl ether, and other suitable compounds are mentioned.
Patent GB-104981-A (GB)
Title: Improvements in and relating to Envelopes.
Inventor: LUECK EDWARD RUDOLPH
IPC: B65D27/38
Filed: 1916-06-13
Abstract: 104,981. Lueck, E. R. June 13, 1916. Reinforced paper.-In the manufacture of envelopes, threads 3 are applied to the paper 1 in parallel rows while the paper is in the plastic condition, and then pressed into one side of the material and in the absence of an adhesive, whereby the threads are left exposed at one side of the paper, and eventually serve as opening- devices for the envelopes.
Patent GB-125376-A (GB)
Title: Improvements in Rubber Heels.
Inventor: MENGARINI PAOLO
IPC: A43B21/38
Filed: 1919-04-03
Abstract: 125,376. Mengarini, P. April 3, 1919. Protectors, securing.- For detachably securing a rubber heel, a " wood " screw socket 4 screwed into the boot heel 1 is tapped to receive a headed " metal " screw 6 engaging the usual washer 7. The socket 4 may have spurs to assist in holding it in place, and the specification as open to inspection under Sect. 91 (3) (a) includes modifications wherein :-(a) the socket 4 may be cylindrical and the screw 6 split or formed at the end as a " wood " screw for penetrating the permanent heel; (b) a slotted plate is carried by the permanent heel, and a button having a T-shaped extension with hooked ends is carried by the rubber heel, the T being passed through the slot and turned through a right angle; (c) hooks carried by the rubber heel engage wires passing across slots in the permanent heel; and (4) a cylindrical member screwed into the permanent heel has a central plunger engaged by the screw 6. This subject matter does not appear in the Specification as accepted.
Patent GB-1488608-A (GB)
Title: Light projection system
IPC: F21S2/00
Filed: 1975-02-28
Abstract: 1488608 Lighting assembly BERKEYCOLORTRAN Inc 28 Feb 1975 [25 April 1974] 8452/75 Heading F4R A theatrical spot lamp which is compact as regards housing length comprises housing 11 open at one end 12, a light source 15 located at the open end but offset so as to lie out of the path of light reflected from mirror 14, mirror 14 being a segment of an ellipsoid of revolution which segment lies entirely to one side of a plane containing the axis 37 of revolution of the ellipsoid (Fig. 4). Light source 15 lies more remote from mirror 14 than the near focus 18 of the ellipsoid, through which the axis of light from source 15 passes. The image of an iris 25 or a pattern mask 28 in the near focal plane is projected at the distant focal plane of the ellipsoid without distortion or chromatic aberration. Pivoting shutters 15, colour filters 57 and spread lens 58 may be interposed in the light path. The cone size of light from source 15, reflected by reflector 16 is limited by annular reflector 21. Mirror 14 is mounted so as to permit limited axial adjustment, either along a line normal to the mirror centre, or along the beam axis 17. The arrangement is such that heat generated by the light source is readily dissipated by convection.
Patent GB-925020-A (GB)
Title: Improvements in or relating to stillages, pallets or the like for use in handling and storing articles
Inventor: HARDS ERNEST WILLIAM
IPC: B65D19/38
Filed: 1960-03-10
Abstract: 925,020. Slingable stillages. D. C. & C. K. CHASE Ltd. March 9, 1961 [March 10, 1960], No. 8539/60. Class 78 (4). A collapsible stillage in which side and end panels are attached to corner posts upstanding from the stillage base 11, incorporates in both side panels 15-or alternatively in both end panels-a pair of sling-hook-engaging elements 20 and, extending downwardly therefrom, a pair of frame elements 16 whose lower ends 17 have hooked or other load-bearing engagement with the stillage base. The corner posts comprise legs 28 which may permanently carry the end panels and are releasably connected at 32 to feet 13 which in turn are pivotally attached at 30 to the base 11. Pin-and-slot connections (not shown) secured by pivoted latches 26, releasably connect the side panels to the corner posts. The side and end panels-and also a lid (not shown) which may be secured to the stillage by lugs 36 at the tops of its ends-are all so dimensioned as to be stowable on the stillage base within the space defined by the feet 13. Specifications 697,491 and 735,258 are referred to.
Patent GB-1025950-A (GB)
Title: Antiglare screen for glazed skylights in buildings
Inventor: HETTICH ALFRED
IPC: E06B9/24
Filed: 1963-03-04
Abstract: 1,025,950. Light-responsive screens. W. EBERSPACHER and H. EBERSPACHER, [trading as J. EBERSPACHER]. March 4, 1963, No. 8586/63. Heading E1J. An antiglare screen fixed or adjustable, for a glazed skylight consists of glass screens 7a positioned forwardly, with respect to the sun's incident rays, of and at a determined angle to the skylight openings, the screens being made of silicate glass and/or of plastic glass made of synthetic resins, e.g. ethylene derivatives, e.g. polyacryl acid which, upon being subjected to radiation, assumes reversible self-tinting properties or undergoes any other reversible change in its transparency. The surfaces of the screens have such profile as to reflect the incident rays away from the building. The screens may be fixed to the glazing bars and at right-angles to the glazed area and be interconnected by struts 9.
Patent GB-1169334-A (GB)
Title: Improvements in or relating to Textile Bale Layer Separators
IPC: D01G7/00
Filed: 1968-02-22
Abstract: 1,169,334. Textile bale layer separator; blending fibres. MAREMONT CORP. 22 Feb., 1968 [2 March, 1967], No. 8596/68. Headings D1F and D1N. A layer 102 is separated from the remainder of a textile bale 25 by a separator 26 (26<SP>1</SP> Fig. 2) which includes rolls 28, 30 and 31 for respectively tensioning the separated layer and for maintaining parting tension on the surface of the remaining bale. There is relative movement between the separator and the bale; in Figs. 1 and 2 the bale is moved by conveyors and the separator is stationary. The separator preferably includes a blade means which may be a rotating circular blade 27 (Fig. 1) or a band saw 44 driven by a pulley 46 by motor 50 (Fig. 2), the blade means being disposed a predetermined distance from the parting line 104 for removal of any remaining fibres still extending between the bale and the layer. Reversing means may be provided for returning the bale to its original position for removal of a further layer. The separated layers are fed in overlapping relationship by a conveyor 32-36 to a spiked lattice 38 leading to a beater 40. When a plurality of separators are provided a blend of layers from different textile bales can be blended.
Patent GB-291557-A (GB)
Title: Improvements in and relating to scraping or cleaning devices for lawn mower and other rollers
IPC: A01D75/02
Filed: 1927-03-29
Abstract: 291,557. Thomas, G. C. March 29, 1927. Wheel scrapers on vehicles. -Lawn-mower and other horticultural rollers are furnished with scrapers normally held out of contact with them and provided with springs adapted to be released manually to press them into contact when desired, a box being provided to catch the scrapings. The scraper may consist of a metal bar 3 pivoted on two brackets 5 adjustably bolted to the framework of a lawn-mower. A lever arm 6 at one end is connected to a rod 7 passing through a key-hole slot in a plate 10 on one of the handle-bars and provided with an operating knob or handle 8, a spring 9 being adapted to press the scraper into yielding contact with the roller 1. An adjustable collar 14 and a spring 15 may be provided to limit the upward movement of the rod 7. The upper part of the rod 7 is cut away at the sides to pass through the narrow part of the key-hole slot in the plate 10 to hold the scraper out of action until needed. The scrapings fall into a box 17 detachably mounted in the brackets 5. The box 17 may be attached to or made integral with the scraper 3. Means may be provided for reversing the scraper when the movement of the roller is reversed. The scraper may be inclined to the roller at an opposite angle to that drawn.
Patent GB-1261969-A (GB)
Title: Apparatus for attaching fairings to a marine tow-line and fairing for a marine tow-line
Inventor: PEARCE HARRY HILTON
IPC: H01B7/12
Filed: 1969-02-18
Abstract: 1,261,969. Attaching fairings to ropes. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 18 Feb., 1969 [20 Feb., 1968], No. 8641/69. Heading D1T. An apparatus Fig. 7 for attaching fairings 23 to a marine tow-line 24 comprises a sheave around which the line and fairings pass, the sheave having an inner wheel 73 on the periphery of which the line 24 rests, and guide faces 83, 84 spaced radially outward of and to either side of the inner wheel 73, these guide faces 83, 84 rotating with the wheel 73 and pressing the fairings 23 onto the line 24 as shown. Each fairing 23 has a cylindrical opening 42 in its leading edge, the sides of this opening being lined with spring clips 45, 46 that grip a tow-line when pushed into the opening 42. As shown in Fig. 3 the spring clips 45, 46 have end portions 47, 48 that extend into a slit interconnecting the opening 42 with a further opening 41. A bolt passes through the fairing 23 and said end parts 47, 48. The fairings are mounted on a common rope passing through aperture 41. Alternatively the fairings are interconnected by links. The string of fairings are part of the subject matter claimed in the claims.
Patent GB-1168402-A (GB)
Title: Counterflow Water Condensers in Combination with Manifold Headers
Inventor: PASQUALINI PIERO
IPC: F28B1/02
Filed: 1968-02-22
Abstract: 1,168,402. Tubular heat exchangers. P. PASQUALINI. 22 Feb., 1968 [4 March, 1967], No. 8658/68. Heading F4S. A counterflow water-cooled condenser comprises spaced, axially parallel pipes 1, Fig. 1, communicating at their ends with chambers 20 defined in headers 3 so that fluid to be condensed flows from an inlet 22 to an outlet 24 in countercurrent to coolant water in pipes 2 which are concentrically mounted about the pipes 1 and which have a flow of water therethrough from A to B via compartments formed by removable baffles 8, 9 in the headers. Each header comprises a metal, substantially U-shaped channel 7, Fig. 2, having holes 10 in the web for the pipes 2 and ribs 13 on the channel position the baffles 8, 9 with alternate apertured baffles 8 and unapertured baffles 9 to form the coolant compartments. The open side of the channel is closed by plates 11 positioned by ribs 14 on the channel and secured thereto by bolts 6. The plates have apertures 15 into which the ends of the pipes 1 are fitted as by soldering. After assembly, the whole condenser is copper brazed in an oven.
Patent GB-669292-A (GB)
Title: Tuning arrangement for television receivers
IPC: H04N5/50
Filed: 1949-03-31
Abstract: 669,292. Radio receiving circuits. FISHER, D. H., and PYE, Ltd. March 30, 1950 [March 31, 1949], No. 8744/49. Class 40 (v). A tunable television receiver is muted at a video stage subsequent to the stage 6 at which synchronizing impulses and automatic gain control are derived, the muting being applied rapidly during tuning but removed relatively slowly when tuning is completed. Tuning is effected by means of a motor 2 which when operative causes switch contacts 3a-3d to close, the contacts re-opening when the motor stops. In closed position, contacts 3a apply a cut-off bias over resistances R, R1 to the grid of a video stage V2, contacts 3b mute the sound channel (not shown) in similar manner, while the closing of contacts 3c reduces the screen voltage of the valve V2, by earthing resistance R3. The time of discharge and charge, respectively, of condensers C1, C2 is sufficiently long that, upon re-opening of the switch contacts the synchronization and gain of the receiver become stable before muting ceases. The cathode-ray tube may be blacked out during tuning by means of contacts 3d, which when closed cause the grid to be biased more negatively; alternatively, Fig. 3 (not shown), closure may be arranged to increase the potential of the cathode.