baber/WOPTO huggingface dataset:
Patent GB-334628-A (GB)
Title: Improvements in or relating to electric accumulators
IPC: H01M4/64
Filed: 1929-06-12
Abstract: 334,628. I. G. Farbenindustrie Akt.- Ges. June 12, 1929. Addition to 311,401. Electrodes.-The invention of the parent Specification is modified by making the hard lead parts of an accumulator by stamping or swaging a hard lead band made by extrusion. The parts may be subjected to a further treatment by hammering or pressing. The amount of antimony in the hard lead may be about 3 per cent or less. Fig. 1 shows an accumulator plate comprising extruded hard lead cores c surrounded by active material b contained in rubber envelopes e. The cores c are connected together by a bridge a which is swaged from an extruded hard lead band. In a modification the bridge a stamped from an extruded hard lead band is soldered on the cores c and then pressed while hot to diminish its width and increase its height. In a further modification the extruded and swaged bridge a is trough-shaped and is hammered or pressed to unite it to the cores c.
Patent GB-638803-A (GB)
Title: Improvements in or relating to a closure for bottles, jars and the like
IPC: B65D41/02
Filed: 1948-07-08
Abstract: 638,803. Jar and bottle lids. ARMSTRONG CORK CO. July 8, 1948, No. 18391. Convention date, Nov. 29, 1947. [Class 125(iii)] In a side-sealing closure for bottles, jars &c. comprising a metal cap having a cylindrical portion 10 and an outwardly inclined contiguous portion 11, with a gasket between the cap and the bottle &c. the gasket comprises a ring initially in the form of a flat annulus 4 as shown in Fig. 3 cut from a tube formed, partly, on a mandrel. The thickness of the ring is less than the width of its flat faces. A bead 13 is now formed around the mouth of the cap and engages the flat ring thereby causing it to assume the shape shown in Fig. 4. Although the gasket is made to engage along the inclined portion 11, by the bead 13, this constraint biasses the gasket to return to its original flat form.
Patent GB-378604-A (GB)
Title: Improvements in the manufacture and production of dyestuffs
IPC: C09B51/00
Filed: 1931-06-26
Abstract: Nitro dyes; acid wool dyes, dyeing with.--Water-soluble heavy metal compounds of nitro dyes are obtained by treatment in substance or on the fibre with water-soluble compounds of heavy metals the products obtained by condensation of aminosalicylic acids or their substitution products with halogenated aromatic nitro compounds. Specified heavy metals are chromium, copper, iron, cobalt and nickel. The following examples are specified: (1) A dilute soda solution containing equimolecular proportions of sodium 2 : 4-dinitrochlorobenzene-6-sulphonate and sodium p-aminosalicylate is boiled for 3-4 hrs. under reflux, the dyestuff is salted out on cooling and dyed on wool and the yellow-orange dyeing is after-treated with potassium bichromate, becoming a deep brown.  (2) A dilute soda solution containing molecular proportions of 2 : 4-dinitrochlorobenzene and sodium p-aminosulphosalicylate is boiled for about 5 hrs., the dyestuff is salted out and is heated for 2 hrs, under pressure at 120 DEG  C. with an aqueous formic acid solution containing chromic oxide; the dyestuff obtained on evaporation to dryness gives pale brown dyeings, level and fast to light, on wool or leather; the product similarly obtained from sodium o-aminosulphosalicylate gives yellow-brown dyeings, fast to light, on silk or leather.  (3) A dilute soda solution containing 1 : 3-dichlor-4 : 6-dinitrobenzene (1 mol.) and sodium p-aminosulphosalicylate (2 mols.) is boiled for 3-4 hrs.; the product which crystallizes out on cooling gives on wool yellow dyeings which on after treatment with chroming agents become pale olive brown fast to washing; to convert the dyestuff into the chromium compound it is heated for 2 hrs. under pressure at 120 DEG  C. with an aqueous formic acid solution containing chromic oxide; the product gives yellow dyeings on wool.  (4) A dilute potassium carbonate solution containing equimolecular proportions of potassium 2 : 6-dinitro-1-chlorobenzene-4-sulphonate and potassium p-aminosalicylate is boiled for 4-5 hrs. under reflux; the condensation product obtained on cooling and salting out with potassium chloride dyes wool reddish orange; to convert it into the copper compound it is boiled for about 4 hrs. under reflux with a dilute solution of copper sulphate; the product gives deep olive brown dyeings on leather.
Patent GB-797973-A (GB)
Title: Improvements in or relating to the casting of metal in vacua
IPC: B22D18/06
Filed: 1956-06-15
Abstract: 797,973. Casting-machines. BOCHUMER VEREIN FUR GUSSSTAHLFABRIKATION AKT.-GES. June 15, 1956 [June 22, 1955], No. 18632/56. Class 83 (1). In-vacuo casting-apparatus comprises a vacuum-chamber 1 closed by a cover 2 provided with an opening closed by a diaphragm 4, and a ladle 7 seated thereon on packing 5 to form a gas-tight space 8, and a closable connecting-member, e.g. a valve 9 is provided between the space 8 and the vacuum-chamber so that said space may be evacuated.
Patent GB-131795-A (GB)
Title: Improvements in Sound Boxes or Reproducers for Gramophones or the like Talking Machines.
Inventor: MCQUINN JAMES
IPC: H04R7/04
Filed: 1918-06-11
Abstract: 131,795. McQuinn, J. June 11, 1918. Tool arms and mountings; diaphragms; soundboxes, mounting and insulating.-The stylus bar 21 of a gramophone or like sound-box is connected by flat spring 25 or by a single spring, to lugs 24 on the sound-box, the springs being detachably secured by screws to the stylus-bar 21 and the lugs 24, which lie at opposite sides of the springs. The upper end 22 of the stylus bar 21 is forked and secured to a plate 35, between which and a small disk 36 the diaphragm 23 is clamped by a screw 37. A rubber ring 30 encircles the soundbox neck, and forms a cushion between the sound-box back-plate and a flange 31 on the tone-arm 8 when the sound-box is in position. The diaphragm is of cardboard or other fibrous material steeped in hot glue and dried under pressure. It may subsequently be immersed in formalin.
Patent GB-733645-A (GB)
Title: Improvements in or relating to beakers and like receptacles
IPC: B65D1/26
Filed: 1952-07-23
Abstract: 733,645. Mixing-appliances. LESTER PLASTICS, Ltd., HASSID, M. A., and VENIS, E. Oct. 23, 1953 [July 23, 1952], No. 18647/52. Class 86. [Also in Groups XIII and XVII] A heat-insulated receptacle (see Group XIII) such as a beaker has an outer cup 12 which is a push fit on to an inner cup 13 beneath a rim thereof to form a double wall with a heat-insulating air-gap therein and the rims of the cups are so dimensioned that the rim of the outer cup 12 can be fitted into the rim of the inner cup 13 when one cup has been removed and inverted, to form a closed container for mixing liquids by shaking. To assist mixing, a tubular structure 24, with internal radial fins 26 and two external conical surfaces corresponding to the inner surfaces of the cups 12, 13, is inserted in the outer cup 12. The cups are moulded from polystyrene. To form a child's feeding cup (see Group XVII), a disc with peripheral recesses may be wedged in the mouth of the cup 13. The Provisional Specification describes also the making of the cups from phenolformaldehyde and describes mixing structures having both longitudinal and transverse fins.
Patent GB-1115128-A (GB)
Title: Device for measuring high frequency constants of materials
IPC: G01N22/00
Filed: 1966-04-28
Abstract: 1,115,128. Impedance measurements. ELTRO G.m.b.H. & CO. GESELLSCHAFT FœR STRAHLUNGSTECHNIK. April 28, 1966 [June 18, 1965], No. 18651/66 Addition to 1, 006, 523. Heading G1U. The apparatus described in Specification 1, 006, 523 for measuring high frequency constants of a material by means of a resonance measurement, wherein the material under test is passed between two axially aligned parts of a waveguide constructed so that its normal cut off frequency is higher than the measuring frequency range, is modified by arranging that the parts have facing ends carrying curved parallel metal flanges. This enables curved material to be tested. The flanges are removable so that interchangeable flanges of different curvatures may be used.
Patent GB-638756-A (GB)
Title: Improvements in or relating to piercing projectiles
IPC: F42B12/06
Filed: 1947-07-14
Abstract: 638,756. Projectiles. ZBROJOVKA BRNO, NARODNI PODNIK, and KYNCL, J. July 14, 1947, No. 18652. Convention date, July 15, 1946. [Class 9 (i)] Relates to projectiles of the kind comprising a piercing core 2 and a jacket 1 of ductile material, the jacket consisting of a front part joined by a short conical part to a rear guiding part which is deformed as the projectile passes through a barrel having a convergent bore. According to the invention, the core is centred by the engagement of its rear conical part with a ductile closure 3 which, during the deformation of the projectile to the reduced calibre, is deformed and slides backwards from the initial position shown in Fig. 2a to that shown in Fig. 2b. The projectile shown has a piece 4 of light metal between the noses of the cap and core, and the conical rear end of the core projects through an aperture in the closure. In a modification, Figs. 1a and 1b (not shown), the closure 3 is not apertured but is shaped to receive the rear end of the core. In both constructions the core is centred in a short cylindrical section surface v of the jacket. Specification 592,538 is referred to.
Patent GB-775275-A (GB)
Title: Improvements in or relating to non-reflecting shop fronts, show cases and the like
Inventor: SMITH HORACE EDGAR
IPC: A47F11/08
Filed: 1954-06-25
Abstract: 775,275. Reducing reflection in windows. KERRIDGE (CAMBRIDGE), Ltd. June 24, 1955 [June 25, 1954], No. 18709/54. Class 116. A shop window or a show-case front is inclined rearwardly and upwardly over at least the main viewing area so that it reflects only surfaces of low luminosity formed by a soffit 7 which may be supplemented by a fascia 8 and a roller blind 9. As illustrated the window comprises a lower portion 1 of armour plate glass separated by a bar 6 from a curved portion 2 of plate glass. The invention may be employed in conjunction with the arrangement of Specification 775,276 [Group X].
Patent GB-120813-A (GB)
Title: Improvements in Furnaces for Heating Rods, Bars and the like.
Inventor: MEAD ARTHUR
IPC: F27D1/18
Filed: 1917-12-17
Abstract: 120,813. Mead, A., and Wood, C. C. Dec. 17, 1917. Metal-heating furnaces.-A furnace for heating rods, bars, &c., is constructed with a. floor a having a single slope or a double converging slope for a part of, or for the full length or breadth of, the furnace, and an opening at the lower end of the slope provided with controlling-means and giving access to an inclined channel b<1> leading to the outside of the furnace, also provided with controlling-means. The controlling-means preferably consist of one or more wedge-shaped sliding blocks d and a door or shutter c. The bars roll down the slope and, when discharged, are received on a guide f , which delivers them to a conveyer g, preferably of the vibrating or reciprocating type. They are finally delivered to an oil bath or other receptacle.
Patent GB-667407-A (GB)
Title: Machine for polishing convex surfaces in particular the rims of bicycle, tandem bicycle and the like vehicle wheels
IPC: B24B5/44
Filed: 1949-07-18
Abstract: 667,407. Polishing bicycle rims &c. ETABLISSEMENTS PIERRE LYOTARD. July 18, 1949 [April 14, 1949], No. 18888/49. Class 60. A machine for polishing convex surfaces, in particular of the rims of bicycle, tandem bicycle and like vehicle wheels, comprises a frame carrying a rim-supporting ring that is adapted to pivot round a vertical axis and having a prop bearing against a bearing plate on the frame, said ring carrying a plurality of similar rubber rollers each having a convex periphery the radius of which is equal to the radius of the outer concave surface of the rim, at least two of these rollers being used for the driving of the rim and being driven by a motor secured to the ring while at least one of said rollers bearing against the rim may be shifted radially by a cam system, the rim thus being constrained to assume a continuous rotation and the ring at the same time executing an oscillation round its pivotal axis while the grinding wheel engaging the rim rotates in a direction opposed to the rotation of the rim. The rim 4 to be polished is rotatably supported by rubber rollers 6, 7, 8 carried by a ring 3 having a tubular member 3' pivoted on an upright 2 the base 2' of which is secured to the machine frame 1; a portion 3<SP>2</SP> of ring 3 opposite part 3' has an adjustable screw co-operating with a bearing plate 5 on the frame 1. The rollers 6, 7, 8 have convex peripheries of the same radius of curvature as the outer concave surface of the rim 4. A motor 9 carried by the ring 3 drives the rollers 6, 7 through belts; the roller 8 is carried by a rod 11, Fig. 4, movable upwardly to release the rim by rotating a part 12 having cam surfaces co-operating with cam surfaces on a fixed part 10. The pivotal axis of the ring 3 intersects the axis of rotation of the roller 6. A slide 16, movable longitudinally on slideways 14 by handwheel 15 has transverse slideway 16<SP>1</SP> for a carriage 17 provided with a bearing 18 for the shaft 19 of a grinding wheel 13 driven by motor 20 through belts. During polishing, the grinding wheel 13 is axially reciprocated by a cam 22 working in a slot 17<SP>2</SP> in a lateral extension 17<SP>1</SP> of the carriage 17, the cam 22 being driven by a motor 23 through belts and bevel gears 25, 26. A spring 31 anchored at 32 to the machine frame 1 is secured to the ring 3 and holds it in contact with an adjustable stop 30 screwed in a bearing 29 on a projection 28 from the carriage 17 so that as the latter reciprocates the ring 3 is simultaneously oscillated whereby all of the inner convex surface of the rim 4 is presented to the periphery of the grinding wheel 13 which departs from cylindrical shape at its ends so as to engage the rounded lateral sections of the rim.
Patent GB-504872-A (GB)
Title: Improvements relating to water-closet basins
IPC: E03D11/02
Filed: 1938-06-25
Abstract: 504,872. Sanitary closets. TWYFORDS, Ltd., und BAILEY, E. H. June 25, 1938, No. 18915. [Class 26] The hollow flushing rim of a water-closed basin has a stoping overhanging 4 con- @ected to the top by a vertical wall 5. The discharge holes and slots 7, 10 are spaced from the lower edge of the wall 4 which may be slightly concave.
Patent GB-633778-A (GB)
Title: Improvements in light-weight panels for cabinetwork and the like
IPC: B27D1/06
Filed: 1947-07-16
Abstract: 633,778. Compound sheet materials. SCHAUER, A. July 16, 1947, No. 18973. [Class 140] [Also in Groups X and XXIII] Light-weight panels comprise parallel sheets 1, 2 separated by and bonded to the edges of spirally wound flat strips a with open coils. The strips a, preferably spaced apart, may comprise more than one spiral each with its own nucleus 3, Fig. 3, and may be of wood, metal, millboard, paper, or plastic material- and preferably are wood shavings. The sheets 1, 2 may be wood veneer, three-ply wood, cardboard, asbestos, lime mortar, gypsum or cement. Such panels are said to be suitable for walls, partitions, roofs, floors, doors, &c. and for furniture- and cabinet-making.
Patent GB-639218-A (GB)
Title: Process for the preparation of diaminotriazines
Inventor: AUSTERWEIL GEZA VICTOR
Filed: 1947-07-16
Abstract: Diaminotriazines are manufactured by heating dicyandiamide with a guanidine salt of an organic carboxylic acid at temperatures adjacent to the melting point of dicyandiamide.  The guanidine salt may be prepared by heating an ammonium salt of the organic carboxylic acid with dicyandiamide in the presence of an ammonium carbonate, and this preparation and the conversion to a diaminotriazine may constitute two phases of the same operation, consisting in heating an ammonium salt of the organic carboxylic acid with 5-15 per cent excess of dicyandiamide in the presence of an ammonium carbonate.  The acid may be alkyl, aryl or aralkyl, substituted or not, and the third carbon atom of the triazine ring will correspondingly bear no substituent or an alkyl, aryl or aralkyl group.  In examples: (1) 1 mol. of ammonium acetate and 1/2 mol. of dicyandiamide are heated with 1/4 mol. of ammonium carbonate, then a further 1 mol. of dicyandiamide is added and heating continued at 180-215 DEG  C., producing methyl-diaminotriazine; (2) commercially pure butyric acid is heated with excess of ammonium sesquicarbonate and the product is heated with dicyandiamide to give propyl diaminotriazine.
Patent GB-584372-A (GB)
Title: Improvements in or relating to torpedo assemblies
IPC: F42B19/00
Filed: 1943-11-15
Abstract: 584,372. Torpedoes. WISE, G. Nov. 15, 1943, No. 19026. Convention date, Jan. 4. [Classes 9 (i) and 9 (ii)] Relates to multiple torpedoes, in which a central torpedo carries auxiliary torpedoes, time-controlled releasing mechanism being provided whereby the auxiliary torpedoes may be detached whilst the assemblage is on its way to the target and then become self-propelled. According to the invention, the means for the independent propulsion of the auxiliary torpedoes remains inactive so long as all the torpedoes are connected together as a unit, and when put into operation disconnects the auxiliaries from the central torpedo. As seen from underneath in Fig. 2, the central torpedo 1, the main constructional features of which are of the usual type, has attached to it two tubes 5, each open at the forward end, and containing an auxiliary torpedo 6, Fig. 4. The usual war-head containing high explosive 9, and a percussion firing-pin 10 are provided in each auxiliary torpedo, which also contains a tube 11 filled with propulsive rocket powder 11'. A fuze 13 is connected to the rear end of the rocket charge and at the forward end of the fuze is a match-head 14 adjacent to a spring- controlled lever 15 carrying a friction igniter 16. Each lever 15 has an outwardly-turned end abutting against a plunger 19 extending into the casing of the main torpedo. The plunger is acted upon by a spring 41 held in compression by engagement of the end 39 of the plunger with a flange on a member 32, which is controlled by timing-mechanism 2. At a predetermined time during the run of the torpedo assemblage, the member 32, moved forward by screw-and-nut mechanism, releases the plungers 19, which thereupon actuate the levers 15, causing the fuze in each auxiliary torpedo to be ignited and to fire the propellant charges 11<1>. The auxiliary torpedoes are thus ejected from their tubes and travel towards the target along paths which may diverge from that of the main torpedo. Control apparatus 20 is provided in each auxiliary torpedo to steer it by means of vertical rudders 26 and horizontal rudders (not shown). The rudder posts are connected through collars 23, 30 on the tube 11 to the apparatus 20.
Patent GB-1462278-A (GB)
Title: Transistor logic circuit
IPC: H03K19/088
Filed: 1974-05-01
Abstract: 1462278 Transistor logic circuits INTERNATIONAL BUSINESS MACHINES CORP 1 May 1974 [22 June 1973] 19038/74 Heading H3T A logic circuit comprises: a first transistor 70, Fig. 3, having a two-level switching signal applied to an emitter and having its collector coupled to the base of a second transistor 82; an output terminal 84 connected to the collector of the second transistor; a unilaterally conducting device 62, Fig. 1, connected to the emitter of the second transistor and biased to be continuously conductive during application of the switching signal; and a further unilaterally conducting device 80 connected between the collector and base of the first transistor. As described with reference to Fig. 1, a number of logic circuits 90, 92 have a common unilaterally conductive device 62 which is biased from a circuit 96 which provides a temperature compensated supply for the logic circuits. The first transistor 70 in the logic circuit may be a multiemitter transistor, the device 80 being a Schottky diode connected to prevent saturation.
Patent GB-773960-A (GB)
Title: Improvements relating to halophosphate phosphors
IPC: C09K11/08
Filed: 1954-06-29
Abstract: 773,960. Luminescent materials. BRITISH THOMSON-HOUSTON CO., Ltd. June 29, 1954 [July 6, 1953], No. 19070/54. Drawings to Specification. Class 39(1). A method of preparing an activated halophosphate phosphor comprises preliminarily preparing one or more halophosphates of a bivalent metal and of apatite composition, separately preparing the halophosphates of one or more activator metals and of apatite composition, mixing the said halophosphates, and firing the mixture at a temperature in the approximate range of 1100‹-1300‹C. The halophosphates are mixed so that the total halide content is preferably from 0À8 to 0À95 mole per 6 moles of PO4. The resulting phosphor is of apatite composition. Preferred materials are Ca for the bivalent metal, Mn or Sb or Sb neone for the activator metal, and Cl and F or F alone for the halogen. Other suitable materials include the alkaline earth metals, Zn and Cd for the bivalent metal, Bi, Sn and Pb for the activator metal, and the halogen may include Br or I at least in part. As one example, a calcium halophosphate phosphor activated by antimony and manganese is obtained by individually preparing calcium chlor apatite, calcium fluor apatite, manganese fluor apatite and antimony fluor apatite at temperatures of 800‹-900‹C., mixing the products and then refining the mixture at about 1160‹C. A number of curves are given showing the effect on the emission of the phosphors of varying the halide content. Specification 773,961 is referred to.
Patent GB-1064344-A (GB)
IPC: B41J2/005
Filed: 1965-05-06
Abstract: 1,064,344. Pens for recording instruments. XEROX CORPORATION. May 6, 1965 [May 15, 1964], No. 19150/65. Heading B6P. Ink is transferred from a nib to a surface only when an electrical potential is applied between the nib and the surface. In Fig. 2, the slit 23 in the nib terminates prior to the writing surface 25 so that ink cannot be transferred to the work surface with the normal capillary effect. When a potential difference is applied between the nib and the support for a work-surface such as paper, the latter acting as a dielectric, ink is transferred from the writing surface 25 to the work surface in direct contact therewith. Fig. 3 (not shown) illustrates a hollow body type nib with a looped wire acting as the capillary feed channel. The end of the loop extends through an end orifice of the hollow body and terminates the capillary feed channel so that ink cannot be transferred to the work surface without applying a potential difference.
Patent GB-239182-A (GB)
Title: Improvements in and relating to steam operated road vehicles
IPC: B60K3/00
Filed: 1925-07-28
Abstract: 239,182. Munk, O., and Berliner Maschinenbau - Akt. - Ges. vorm. L. Schwartzkopff. Aug. 28, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Rollers, road. - A frame d mounted on the firebox or boiler of a road roller, portable, engine or other road vehicle carries the bearings for the moving parts of the engine so that correct, alignment for corresponding bearings is assured and expansion of the walls of the boiler does not affect the. parts. The engine cylinders ! i are carried by a separate frame k.
Patent GB-404877-A (GB)
Title: A box magazine for automatic-loading firearms
IPC: F41A9/67
Filed: 1933-07-06
Abstract: 404,877. Magazine for automatic firearms. WAFFENFABRIK SOLOTHURN AKT. - GES., Solothurn, Switzerland. July 6, 1933, No. 19175. Addition to 404,830. [Classes 92 (ii) and 119.] The wall of the magazine 2 described in the parent Specification is provided with slots 71 in addition to the slots 21, 61 already there, in order to reduce the contact surface of the wall against the cartridges to narrow strips 70, to reduce friction ; and the feed lever 28 pivoted at 29 is formed like a lid 26a to protect the magazine from dirt.