baber/WOPTO huggingface dataset:
Patent GB-289614-A (GB)
Title: An improved folding coat hanger
IPC: A47G25/40
Filed: 1927-03-30
Abstract: 289,614. Birnbaum, D. March 30, 1927. Coat hangers. - A folding coat hanger comprises two arms e pivoted at f in a central U-shaped metal centre piece b to which the hook c is attached bv means of a transverse piece d. The arms e are solid and are slotted to house the hook when the hanger, as shown in Fig. 3, is in the folded position. The end e<1> of the arms are notched at g to form a space in which the transverse piece d is located, the arms abutting below this piece to render the hanger rigid. The hook may be loosely secured to a loop i in the centre piece, as shown in Fig. 8, the arms being bevelled at i to accommodate the lower part of the hook and abutting below the bevelled parts.
Patent GB-330962-A (GB)
Title: Improvements in wheels for tractors and similar agricultural vehicles
IPC: B60B15/02
Filed: 1929-03-19
Abstract: 330,962. Brierley, F. H. March 19, 1929. Tyres, non-elastic.-A tractor wheel comprises two sets of spokes B secured as by riveting, bolting, or welding to two spaced rims A which are connected by strakes D of flat, tee, or angle section. The strakes may be flush with the outer edges of the rings A, or they may project both laterally and radially beyond the rings.
Patent GB-883396-A (GB)
Title: Improvements in or relating to embossing polyvinyl chloride and polystyrene sheet material
Inventor: O'CONNELL WILLIAM RALPH
IPC: B44C1/24
Filed: 1957-03-18
Abstract: In a method of embossing plasticized or unplasticized polyvinyl-chloride sheet material or film and polystyrene sheet material or film the sheet material is contacted with a heated embossing roller, if necessary after preheating, so that that surface of the sheet which is to be embossed is incipiently melted at the moment of embossing whereby an embossed pattern of improved stability to heat is obtained.  Example I.  Plasticized polyvinylchloride sheet 0,020 inches thick is pre-heated by being passed over a plain hot metal roller at a temperature of 150 DEG  C.  The surface to be embossed is then passed under an embossing roller steam-heated to a temperature of 165 DEG  C.  Example IV.  Polystyrene film 0,002 inches thick is pre-heated by passing over a plain metal roller at 50 DEG  C. and then embossed by an engraved roller steam-heated to 105 DEG  C.  In some cases the sheet or film may be subjected to infra-red heating as it passes from the plain roller to the engraved roller or the stage of preheating may be omitted altogether, e.g. if orientated polystyrene is to be embossed.  Thermoplastic sheet or film embossed by the process of the invention retains the embossing at temperatures up to 185 DEG  C.ALSO:In a method of embossing plasticised or unplasticised polyvinyl-chloride sheet material and polystyrene sheet material the sheet material is contacted with a heated embossing roller, if necessary after preheating, so that that surface of the sheet which is to be embossed is incipiently melted at the moment of embossing whereby an embossed pattern of improved stability to heat is obtained.  Example I.  Plasticised polyvinylchloride sheet 0,020 inches thick is pre-heated by being passed over a plain hot metal roller at a temperature of 150 DEG C. The surface to be embossed is then passed under an embossing roller steam-heated to a temperature of 165 DEG C.  Example IV.  Polystyrene sheet 0,002 inches thick is pre-heated by passing over a plain metal roller at 50 DEG C. and then embossed by an engraved roller steam-heated to 105 DEG C.  In some cases the sheet may be subjected to infra-red heating as it passes from the plain roller to the engraved roller or the stage of preheating may be omitted altogether, e.g. if orientated polystyrene is to be embossed.  Thermoplastic sheet embossed by the process of the invention retains the embossing at temperatures up to 185 DEG C.
Patent GB-652702-A (GB)
Title: Improvements in vacuum seals
Inventor: SCHWARZ ERNST
IPC: H01J5/18
Filed: 1948-03-25
Abstract: 652,702. Discharge apparatus. HILGER & WATTS, Ltd. March 25, 1948, No. 8868. [Class 39 (i)] A window is sealed in a vacuum vessel in such manner as to permit its free expansion independently of the envelope. The window 8 is supported by a ledge 7 formed at the end of glass tube 5, with an intervening metal washer 9. A flat annulus 10 of silver, aluminium or tin foil has its outer periphery cemented to the end surface of the tube 5 and its inner periphery cemented to the window 8. The foil yields sufficiently to allow expansion of the window without constraint. The foil may also be of L-section, according to the Provisional Specification. In Figs. 1 and 2 (not shown), the construction is applied to the sealing of a rectangular window in a cylindrical glass envelope, suitable dimensions being given. The construction may be used for X-ray tubes, or for alkali halide windows in infra-red apparatus.
Patent GB-637765-A (GB)
Title: Improvements in an apparatus for producing an electric arc welding alternating current
IPC: H01F29/14
Filed: 1948-03-30
Abstract: 637,765. Supply systems for arc welding; transformers with inductances. BOULY, H. G. (Harnischfeger Corporation). March 30, 1948, No. 8995. Drawings to Specification. [Classes 38 (ii) and 38 (iv)] Inductive control; transformer arrangements.- Adjustable alternating current for arc welding is obtained from apparatus comprising a transformer, the output circuit of which is inductively related with a frame (or core) separate from the transformer frame (or core) and having a saturating winding and means to excite it variably. The said frame may carry an impedance winding in series with the output circuit, or the transformer secondary winding may interlink both frames. The apparatus may include a dry disc rectifier and an adjustable rheostat in series with the saturating winding. This saturating circuit being connected to the A.C. supply. The rheostat may be portable.
Patent GB-564540-A (GB)
Title: Improvements in apparatus for forming and filling capsules
IPC: A61J3/07
Filed: 1942-07-02
Abstract: 564,540. Medical and like capsules. SCHERER, R. P. July 2, 1942, No. 9155. [Class 81 (i)] In capsule forming and filling apparatus of the kind comprising a pair of die members 10 co-operating with a head 12 for introducing filling material and having capsule-forming cavities 20, the rims of the said cavities are formed with at least two circumferential portions at different elevations above the face of the die member. Different forms of rim are shown at 28, 30, Fig. 5 ; 32, 34, Fig. 7; 36, 38, Fig. 9. In the form shown in Fig. 11, the rim portions 40, 42 are slightly eccentric to the cavity. Specifications 395,546, 564,538, 564,539 and 564,541 are referred to.
Patent GB-127915-A (GB)
Title: Improvements relating to Electrolytic Cells for the Production of Chlorine.
Inventor: HUTCHINS THOMAS WILLIAM STAINE
IPC: C25B15/08
Filed: 1917-06-27
Abstract: 127,915. Hutchins, T. W. S. June 27, 1917. Roses.-Electrolyte flowing to or from a chlorine cell is broken up into series of drops by means of a shallow disk c with perforations e terminating in nozzles or isolated by intermediate recesses.
Patent GB-109959-A (GB)
Title: Improvements in Journal Bearings.
Inventor: NEWBIGIN HENRY THORNTON
IPC: F16C17/03
Filed: 1917-06-27
Abstract: 109,959. Newbigin, H. T. June 27,1917. Cylindrical journal bearings; spring supports.- In order to distribute the load and to damp vibrations in a journal bearing provided with pivoted pressure blocks, each block has a spring support consisting of a resilient steel plate F resting by its edges in a recess in the back of the block C<1> and bearing against the rounded end of an adjusting- screw G. The plates may be rounded on one face or saucer-shaped, and may rest against similar plates supported in the casing in place of the screws G. The blocks are guided by flanges L<1> in the casing to prevent rotation about axes radial to the shaft, and rotation around the shaft is prevented by projections I. A casing or ring containing the blocks may have a spherical seating in an outer casing so as to obtain a swivelling action in the bearing as a whole. Specifications 875/05 and 108,067 are referred to.
Patent GB-1408154-A (GB)
Title: Foamable ethylene polymer compositions
IPC: C08J9/04
Filed: 1972-02-29
Abstract: 1408154 Foamable and cross-linkable ethylene polymers DOW CORNING Ltd 20 Feb 1973 [29 Feb 1972] 9265/72 Heading C3C A foamable and cross-linkable (in the presence of water) composition comprises (1) an ethylene homopolymer or copolymer with a minor molar proportion of propylene, butylene and/or hexene-1, the polymers having in the molecule chemically bonded silyl groups of formula -SiR n X 3-n ,where R is a monovalent hydrocarbon radical, X is an alkoxy or alkoxyalkoxy radical having less than 6 C atoms, or an oximo radical having less than 14 C atoms (i.e. of general formula -ON=Y, where Y is R<SP>1</SP> 2 C= or where R<SP>1</SP> is a monovalent hydrocarbon radical which may be halogenated, and R<SP>11</SP> is a divalent and R<SP>11</SP> is a olivalent hydrocarbon radical which may be halogenated hydrocarbon radical which may be halogenated, Y having less than 14 C atoms), and n is 0, 1 or 2; (2) a blowing agent; and (3) a siloxane condensation catalyst. The polymers may be made by grafting the ethylene polymer with a silane of formula CH 2 =CHSiR n X 3-n , where R, X and n are as above. The composition is foamed and cross-linked by exposing it to a temperature at which the blowing agent is activated and to water. In the examples polyethylene was grafted with vinyltrimethoxysilane and the polymer was then mixed with azodicarbonamide, sodium bicarbonate or ammonium carbonate as blowing agent, dibutyltin dilaurate as catalyst, together with zinc oxide and stearic acid, the mixtures were then either milled into a sheet and then foamed in a mould, or extruded to form a foamed rod, and the foams were then finally treated with water to effect or promote cross-linking.
Patent GB-113061-A (GB)
Title: An Improved Apparatus for Scrubbing and Wiping or Mopping Purposes Combined.
Inventor: OLDBURY CHARLES JOSEPH
IPC: A47L13/12
Filed: 1917-06-28
Abstract: 113,061. Oldbury, C. J. June 28, 1917. Mops; brushes combined with mops.-An appliance for scrubbing and mopping comprises a triangular-shaped block of wood A fitted on the face B with a metal collar G for holding a mop cloth D and on the face E with a brush F. A long handle G is secured to the other face. Reference has been directed by the Comptroller to Specifications 6435/02, 14086/09, and 2504/12.
Patent GB-878043-A (GB)
Title: Improvements in and relating to cells for the thermal analysis of gases and measuring devices
IPC: G01N25/18
Filed: 1959-03-17
Abstract: 878,043. Electro-thermal gas analysis. SOC. D'ELECTRO - CHIMIE, D'ELECTRO - METALLURGIE ET DES ACIERIES ELECTRIQUES D'UGINE. March 17, 1959 [May 9, 1958], No. 9280/59. Class 40 (1). ). In a device for the thermal analysis of a gas, samples of the gas to be analysed and a standard gas are passed through separate chambers of equal volume each containing a thermistor carrying a current sufficient to heat the thermistor and at least one other thermistor to sense the temperature of the first thermistor, the thermistors being in good thermal contact with the gases in the chambers but chemically isolated therefrom. Construction of test cell, Fig. 2. A block 1, e.g. of stainless steel has two similar passages 8, 8<SP>1</SP> containing tubes 7, 71 in which are mounted further tubes containing either two thermistors, Fig. 4 (not shown), or three thermistors, Fig. 5 (not shown), each. Samples of the test and standard gases are fed through the passages 8, 8<SP>1</SP> via passages 3, 4 and 3<SP>1</SP>, 4<SP>1</SP>. Circuit arrangements. As shown in Fig. 6, thermistors 10, 10<SP>1</SP> are connected in a low resistance circuit and act as heaters and thermistors 11, 1 are in a high resistance circuit and control a meter 39. In a modification, Fig. 8 (not shown), one thermistor in each tube acts as a heater and two others are connected in a high resistance measuring bridge.
Patent GB-568532-A (GB)
Title: Improvements in or relating to devices for unreeling thread or the like for winding machines
IPC: B65H54/54
Filed: 1942-07-06
Abstract: 568,532. Winding threads &c. SCHARER, K. J. (trading as MASCHINENFABRIK SCHARER). July 6, 1942, No. 9312. Convention date, .July 11, 1941. [Class 120 (ii)] In a device for unreeling thread &c. for winding machines, carriers for two different kinds of thread package are provided on a common mounting and are adapted to be used alternatively to hold the packages about differently oriented axes. As shown, the carriers are adapted to hold the packages 17, 30, Fig. 1, with their axes respectively vertical and horizontal. A vertical spindle 6 driven through friction discs 4, 5 is mounted in a sleeve 9 secured to the cover 10 of the gear-box 1, the sleeve 9 being accommodated in a tube 11 which forms the common mounting for the two carriers 15, 25 ... 28. The carrier 15 for the package 17 is in the form of a platform and is provided with a positioning block 16. An extension spindle 18 is mounted in the upper end of the spindle 6 and carries a dished guide disc 21 which rotates with the spindle 6 and facilitates unwinding from the package 17. The second carrier is detachably secured to the tube 11 by means of a shackle 23 on the projecting arms 23<1> of which two levers 25 are mounted by means of bolts 24. The elements 25 ... 28, Fig. 2, form a stirrup for the package 30 which may be moved into the operative position shown dotted in Fig. 1, either the spindle 18 or the spool 30 being removed before the carrier is rocked into its unwinding position. A band brake 29<1> is provided for the spool 30. The drive to the spindle 6 may be disconnected by engaging a stud 7 in a hook 31. The Specification as open to inspection under Sect. 91 comprises also a unit, Fig. 3 (Cancelled), arranged for unreeling packages of different types and comprising a projection 16 for supporting a cross-wound package 33. Alternatively a conical support may be substituted for the projection 16 to carry a conical package, the thread being unwound over the tip of the central spindle. In other forms the cylindrical or conical support has spring arms for mounting cylindrical or conical packages. In these modifications the guide disc 21 may be dispensed with and the drive 4, 5 disconnected. This subject-matter does not appear in the Specification as accepted.
Patent GB-435568-A (GB)
Title: Improvements in or relating to thermostatic controlling arrangements for the cooling systems of internal combustion engines
IPC: G05D23/13
Filed: 1934-03-24
Abstract: 435,568. Cooling. PAYNE, M., 50, Hook Road, Surbiton, Surrey, HURST, W. F. F. MARTIN-, The End House, Roehampton, London, and BRITISH THERMOSTAT CO., Ltd., Windmill Road, Sunbury, Middlesex. March 24, 1934, No. 9321. [Class 7 (ii)] [See also Group XXIX] A thermostatically-controlled liquid cooling system provided with a byepass has a single bellows chamber 4 attached intermediate its ends to a member 5 secured to a valve casing receiving hot liquid through a pipe 2, a valve 7 controlling the flow through a pipe 3 to the radiator being mounted on a stem 5<a> carried by one end of the bellows, while a valve 9 controlling the flow to the byepass 11 is mounted directly on the other end. The valve 7 is provided with a vent hole 12, Fig. 3, covered by a spring tongue 13, which remains open while the system is being filled, and is closed by the flow of liquid past the valve when the system is in normal position.
Patent GB-115536-A (GB)
Title: Improvements in Sewing Machines.
IPC: D05B51/00
Filed: 1917-06-30
Abstract: 115,536. Willcox & Gibbs Sewing Machine Co., (Willcox & Gibbs Sewing Machine Co.). June 30, 1917. Multiple-needle machines; loop stitching.-Take-up mechanism for the looper threads in sewing-machines of the kind described in Specifications 6036/12, 6037/12, 6039/12, 6040/12, 6041/12, 6042/12, 6043/12 and 6045/12, consists of a stationary arm 77 adjustably secured to the inside of the work arm, and a movable arm 71 secured to the looper lever 375 near the rear end. The arm 77 is provided with thread-retaining lugs 79, and the threads are also held in a space 75 in the arm 71 by a spring 73 resting at its upper end in a notch 76 in this arm.
Patent GB-695936-A (GB)
Title: Improvements in the manufacture of activated cadmium sulphide cells
IPC: H01L31/18
Filed: 1952-04-16
Abstract: Impurity centres are produced in a pure body of cadmium sulphide for a photoelectric cell by immersing it in a large quantity of a pulverulent mixture of cadmium sulphide and the desired impurity, the proportions of each constituent being equal to or slightly greater than that which is desired in the body, the whole assembly then being heated to the point where an equal distribution of the impurity occurs by thermal diffusion, e.g. 500 DEG  to 600 DEG C.  The quantity of pulverulent material should be about 100 times that of the body to be treated, and it may be diluted by an inert material to prevent the powder from adhering to the body.  In one example, the pulverulent mixture consists of 99.1 per cent pure cadmium sulphide, 0.8 per cent cadmium chloride, 0 04 per cent copper sulphide and 0.06 per cent nickel chloride; the copper sulphide may be replaced by copper chloride containing the same quantity of copper.  In another example, the mixture consists of 60 per cent cadmium sulphide, 39.9 per cent cadmium selenide, 0.05 per cent copper chloride, 0.01 per cent gold chloride, 0.01 per cent lead chloride and 0.02 per cent silver chloride; the chlorides may be replaced by other salts containing the same quantity of metals.  The impurity centres may be introduced in two stages by separate heatings in different pulverulent mixtures, each heated to different temperatures.
Patent GB-129409-A (GB)
Title: Improvements in Lock Nuts and Process of Making the same.
Inventor: MACKENZIE JOHN WILLIAM
IPC: F16B39/284
Filed: 1918-06-11
Abstract: 129,409. Mackenzie, J. W., (Grip Nut Co.). June 11, 1918. Locking nuts.-A self-locking nut is formed with a flat ridge 4 on one face, of less width than the bolt-hole. After the nut is tapped, the ridge is compressed to displace the threads in its vicinity. The distortion decreases in width and preferably ceases about the centre of the nut. Pressure may be applied to the ridge by a flat or convex tool.
Patent GB-1374359-A (GB)
Title: Solenoid actuated valve
IPC: F16K31/06
Filed: 1972-03-02
Abstract: 1374359 Valves ROBERT BOSCH GmbH 2 March 1972 [5 March 1971] 9682/72 Heading F2V A solenoid-actuated valve comprising a pressure-balanced closure member 19 which is operable between two valve seats to connect either inlet 20 with a load port 21 or the load port 21 with a return conduit 22.is characterized in that the member 19 is biased by a spring- loaded piston 21 which is subject on its end remote from the member 19 to inlet pressure transmitted via passage 31 and filter 34. The member is actuated by the armature 13 of an electromagnet 11 via a push-rod 18. Both ends of the armature are subject to inlet pressure. A spring 41, whose force is smaller than the spring 30 which biasses the piston keeps the armature, push-rod, closure member and piston in effective connection. The push-rod is guided in a recess of the armature by an intermediate member 40 and is actuated by the armature via a ball 16 which is held in a recess 15 in the armature. The piston is also provided wtih a ball at its end abutting the closure member. A two port valve is also referred to. The armature is coated with chromium or a plastics material to prevent corrosion.
Patent GB-551659-A (GB)
Title: Improvements relating to photographic emulsions and to sensitive photographic materials coated therewith
IPC: G03C1/04
Filed: 1941-07-31
Abstract: 551,659. Cellulose derivatives ; polyvinyl acetals. KODAK, Ltd. July 31, 1941, No. 9747. Convention date, Aug. 1, 1940. [Classes 2 (ii) and 2 (iii)] [Also in Group XX] Water-soluble amino cellulose compounds of the type obtained by combining an alkylamino compound with a cellulose ester or amino acetals of polyvinyl alcohol, e.g. the dimethylaminobenzaldehyde acetal, are used as silver halide dispersing agents in the preparation of photographic emulsions. Cellulose esters containing alkylamino groups are prepared by reacting a cellulose ester containing free hydroxyl groups with an arylsulphonylhalide, such as p-toluenesulphonyl chloride, in the presence of a tertiary amine such as pyridine, and causing the product to react with an alkylamine. Examples specified are ethanolamine cellulose acetates, e.g. diethanolamine cellulose acetate, isopropylamine cellulose acetate, and similar derivatives of cellulose acetate-propionate, cellulose acetatebutyrate, and cellulose acetate-lactate. Dimethylaminobenzaldehyde acetals of polyvinyl alcohol can be prepared by reacting polyvinyl alcohol or a polyvinyl ester with p-dimethylaminobenzaldehyde in the presence of an acetalization catalyst such as hydrochloric or sulphuric acid. Specifications 527.283, [Group XX], 531,579, 542,703, 542,704, [both in Group XX], and 543,854 are referred to.
Patent GB-1201595-A (GB)
Title: Encapsulated semiconductor device
IPC: H01L23/31
Filed: 1969-02-25
Abstract: 1,201,595. Semiconductor devices. WESTINGHOUSE ELECTRIC CORP. 25 Feb., 1969 [19 March, 1968], No. 9928/69. Heading H1K. A semi-conductor device, encapsulated in epoxy resin and comprising a wafer having electrical contacts to which leads extending from the encapsulation are joined, is provided with a primer film of a material selected from polyvinyl butyral resins, orthophosphoric acid and mixtures thereof, at the interface between the encapsulation and the wafer, contacts and leads. The primer film prevents the encapsulation pulling free from the leads due to differential thermal expansion. As shown, a silicon PN junction diode wafer 12 is provided with electrodes 23, 24 of Mo, W or Ta to which are soldered or brazed leads 30, 34. The edge of the wafer may be etched after providing contacts 23, 24 to produce a concave shape which allows the diode to be encapsulated without the provision of a resilient body round the wafer. A primer coating 47 is applied by dipping and is then dried and baked, and the epoxy resin encapsulation 40 is moulded over the device. The leads 30, 34 are provided with flanges 46 to prevent longitudinal movement. The leads are cleaned and chemically etched e.g. using orthophosphoric acid, or pitted mechanically to increase the surface area before applying the primer coat. The primer may contain a filler, e.g. zinc chromate and/or magnesium silicate and may include smaller proportions of aluminum and calcium silicates.
Patent GB-1196233-A (GB)
Title: High-Vacuum Electronic Discharge Tube provided with a Getter Ion Pump
IPC: H01J23/00
Filed: 1969-02-25
Abstract: 1,196,233. Ion pumps; transit-time tubes. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 25 Feb., 1969 [28 Feb., 1968], No. 9965/69. Heading H1D. In a discharge tube having a magnetic field provided by a plurality of columns of permanent magnets situated outside the tube envelope, a getter ion pump is arranged in one of the columns, so as to be cut by the magnetic field. In the klystron shown, the ion pump 10 is mounted in one of four symmetrically arranged columns (Fig. 2, not shown) of permanent magnets 6 having pole plates 5 and pole shoes 8 mounted on the drift tube 1. The pump is connected to the drift tube by a pipe 11, on either side of which cooling fins 12 are arranged. Either a second pump, or as shown, a non- magnetic or soft magnetic disc 9 of the same size as the ion pump 10, is included in a symmetrically disposed column of magnets, to maintain uniformity of the magnetic field. In another embodiment (Figs. 3 and 4, not shown), the arrangement is applied to a magnetron having a pair of magnet columns.