baber/WOPTO huggingface dataset:
Patent GB-716545-A (GB)
Title: Improvements in and relating to fluid-tight seals between relatively slidable members
Inventor: MILLARD DENNIS JOHN
IPC: F16J9/20
Filed: 1952-03-03
Abstract: 716,545. Piston packing; stuffing-box substitutes. BOULTON PAUL AIRCRAFT, Ltd. March 3, 1952 [March 2, 1951]. No. 5174/51. Classes 122(1) and 122(5) A seal between two relatively slidable members comprises a flat sealing ring 8 of rubber or like flexible material located between two supporting surfaces on one of the members and having an edge in sealing contact with the other member, the supporting surfaces being a clearance fit with respect to the other member. The piston 1 of a doubleacting hydraulic jack is formed with a central annular flange 2 and packed by a pair of similar sealing assemblies located on either side of the flange 2 and each comprising a flat sealing ring 8 loosely housed in a recess between a ring 3 fitted on the piston body and a ring 4 mounted on an axial extension 5 of the ring 3, the complete assembly being held in place by a washer 9 and a spring ring 10. The rings 3 and 4 are sealed to the piston by flexible seal rings 6 and 7 respectively. For a two inch diameter piston, the sealing ring 8 may project beyond the rings 3, 4 by ten to fifteen thousandths of an inch, have an interference of five thousandths of an inch with respect to the cylinder bore 11, and an axial thickness of one thirty-second of an inch; the depth of the containing recess being from forty-eight to fifty-two thousandths of an inch. The invention may be used as a piston rod packing, the sealing ring 8 being mounted with its inner edge in contact with the piston rod. Specification 716,544 is referred to.
Patent GB-974891-A (GB)
Title: Derivatives of griseofulvin
Inventor: LASSMAN JACK
IPC: A23K20/195
Filed: 1960-02-12
Abstract: Compounds of the general formula <FORM:0974891/C1/1> in which R1 and R2 are alkyl groups and R3 is an alkyl or alkenyl group are prepared by a process in which a compound of the general formula <FORM:0974891/C1/2> is reduced with the aid of a metal hydride reducing agent. The starting material may be griseofulvin or a compound of the second formula above prepared in any convenient way, e.g. by etherification of non-griseofulvic acid followed if necessary by selective hydrolysis and re-etherification with a further alkylating agent, or by reacting a 4-methoxy grisan such as griseofulvin with anhydrous magnesium iodide to produce the corresponding 4-hydroxy grisan which may then be etherified with an appropriate alkylating agent.  The reducing agent may be sodium, potassium or calcium bromohydride or lithium aluminium hydride, the reaction being preferably carried out in an inert solvent. The product may be converted into an ester thereof with an inorganic or organic acid, esters specified being the acetates, hemisuccinates and hemiphthalates.  Pharmaceutical preparations comprise compounds of the first formula above or esters thereof together with a pharmaceutical carrier or diluent in forms such as tablets, pills, capsules, granules, powders, oral liquid preparations of aqueous or oily nature, suppositories, or as solutions or dispersions in sterile parentally acceptable liquids.
Patent GB-435449-A (GB)
Title: Process for the manufacture of ethylene azo dyestuffs
IPC: C09B23/16
Filed: 1934-02-16
Abstract: Ethylene azo-dyes or acid addition products thereof are prepared by coupling with diazonium salts ethylenes of the formula <FORM:0435449/IV/1> wherein R and R<1> signify aryl groups substituted by at least one group imparting a positive character (i.e. methoxy, hydroxy, amino, dimethylamino, phenylamino) and R<11> stands for a monovalent atom or group, or acid addition products thereof.  Acid addition products of the dyes (carbenium salts) spontaneously or in the presence of an acid binding agent pass into the dyes themselves.  In examples: (1) 2-naphthylamine-6,8-disulphonic acid is diazotized and coupled with tetramethyldiaminodiphenylethylene; the product dyes wool bordeaux-red shades from an alkaline bath, and on acidifying an intense blue shade is obtained; (2) p-nitrophenylantidiazotate is coupled (acid) with dianisylethylene.  The Specification as open to inspection under Sect. 91 comprises the manufacture of ethylene azo dyes or acid addition products thereof by coupling with diazonium salts ethylenes of the above formula wherein R stands for hydrogen or a group of the type of R<1> which stands for an amphoteric auxochrome (defined as covering, inter alia, an aryl group or vinylene group) or a group imparting a positive character (see above, and R<11> stands a monovalent atom or group, or acid addition products thereof. Starting materials mentioned are a .a -phenylethylene, a  p  - anisyl - a  - phenylethylene, a .a  - diveratrylethylene, a  - dimethylaminophenyl - a  - phenylethylene, a .a  - tetramethyldiaminodiphenyl - b  - methylethylene, a .a  - tetramethyldiaminodiphenyl - b  - phenylethylene and a .a  - diethoxynaphthylethylene as coupling components and aniline, nitraniline or a sulpho derivative, anisidine, benzidine, aminoazobenzenedisulphonic acid, naphthylamine sulphonic acid or aminoanthraquinone as diazo bodies.  In a further example diazotized sulphanilic acid is coupled (acid) with tetramethyldiaminodiphenylethylene; the product dyes wool from an alkaline bath red shades changed to blue by acid.  This subject-matter does not appear in the Specification as accepted.
Patent GB-511580-A (GB)
Title: Improvements in or relating to the manufacture of electric condensers
IPC: H01G4/18
Filed: 1938-02-19
Abstract: 511,580. Condensers. BRITISH INSULATED CABLES, Ltd., BRISLEE, F. J., WELBOURNE, B., HIGHAM, H., and QUAYLE, J. C. Feb. 19, 1938, No. 5265. Drawings to Specification. [Class 37] Flat plate, or rolled condensers have as dielectric polymerised ethylene either alone or with a plasticiser incorporated which is solely hydrocarbon and free from traces of reagents or byproducts other than hydrocarbons. Specification 471,590, [Group IV], is referred to.
Patent GB-306402-A (GB)
Title: Improvements relating to vehicle head-lights
IPC: F21S8/10
Filed: 1929-02-18
Abstract: 306,402. Angot, R. H. Feb. 18, 1928, [Convention date]. No Patent granted (Sealing fee not paid). Vehicle lamps.-A vehicle lamp fitted with a transparent parabolic reflector A in front of which is an electric lamp bulb D, and a rear parabolic reflector B in front of which is an electric lamp bulb C. has the silvered layer of the reflector A coated with a varnish coloured with cobalt blue or other colour adapted to absorb red rays. The bulb D is transparent, the bulb C of ground glass, and a switch is provided for lighting the bulbs one at a time. When the bulb D is lit an intense white light is reflected by the reflector A, and when the bulb C is lit the reflector A acts as a screen and produces a non-glaring coloured light.
Patent GB-1488948-A (GB)
Title: Process for coating inorganic substrates with carbides nitrides and/or carbonitrides
IPC: C23C16/30
Filed: 1975-02-07
Abstract: 1488948 Coating with carbides, nitrides and carbonitrides CIBA-GEIGY AG 7 Feb 1975 [7 Feb 1974 (2)] 5349/75 Heading C7F An inorganic substrate is coated with a carbide, nitride, or carbonitride by reacting at least one of Fe, B, Si, or a transition metal of Groups IVB to VIB, e.g. Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and U with a source of carbon and nitrogen which is a compound of the Formula:- @ where Y represents = N-, = CH- or C-halogen, X 1 , X 2 , and X 3  may be the same or different and one of them is H, halogen, alkyl, phenyl, -CN, and each of the other two is halogen, where R 1 , R 3  and R 4  are H, alkyl, halogenoalkyl, cyanoalkyl, aminoalkyl, alkylaminoalkyl or albenyl, R2 is alkyl, halogenoalkyl, cyanoalkyl, aminoalkyl, alkylaminoalkyl, or alkenyl, and Rs is H or alkyl. Several of the compounds are specified. The Fe, B, Si or transition metals may be in the form of elements, hydrides, carbonyls, organometallic compounds, and halides. Several examples are described. The process can be carried out in the presence of H, HCl, N, methane, ethane, n-butane, N- methylamine, N,N-diethylamine, ethylenediamine, benzene and ammonia. The reaction may be gaseous and a plasma may be used. Alternatively, liquid or solid phase reactions may be used. The substrates may be carbon, glass, ceramic, oxides, nitrides, steel, cast iron, W, Mo, Nb, V, Ta, B, Si or sintered carbides with e.g. cobalt as a binder.
Patent GB-564855-A (GB)
Title: Improvements in or relating to scaffolding and like clips or clamps
IPC: E04G7/18
Filed: 1943-04-03
Abstract: 564,855. Scaffold clamps. MILLS SCAFFOLD CO., Ltd., and MACBETH, A. April 3, 1943, No. 5366. [Class 20 (ii)] A clamp for coupling scaffolding members 10, ' 13 comprises a hooked member 8, Figs. 1, 2, and clamp 12 of flat material, the hooked member having a flange 11 lying between the scaffolding member 10 and the clamp 12, gripping engagement between the scaffolding members 10, 13 being applied by a nut 16 and bolt 15 passing through the flange 11 and clamp 12. The bolt may have a square neck or may be a force fit in the flange 11 or welded thereto to prevent rotation, and the end of the bolt may be riveted over to prevent separation of parts by withdrawal of the nut. The flange 11 is so dimensioned as to coact with the arm 9 of the clamp to avoid relative rotation of the hook and clamp. The hook may take the form of two spaced hooks 18, Fig. 3, with a coupling flange 11, or may consist of a pair of such members tightened by two nuts and bolts engaging the flanges on the hook members and the end lugs of a clamping member. The clamp groove may be formed for coupling the scaffolding members other than at right angles.
Patent GB-154236-A (GB)
Title: A method of producing a cold glaze on building materials, in particular cement
IPC: C04B41/50
Filed: 1918-03-27
Abstract: 154,236. Friedrich, K. March 27, 1918. Asphalt.-A bituminous substance, such as asphaltum, free from oils boiling below 270‹ C., is oxidized by forming an emulsion with sodium carbonate solution and adding barium peroxide.
Patent GB-202664-A (GB)
Title: Improvements in or relating to the manufacture of iron-chromium alloys
IPC: C21C7/00
Filed: 1922-02-23
Abstract: 202,664. Saltrick, W. R. Feb. 23, 1922. Alloys.-Iron-chromium alloys of the stainless or rustless type are made by reducing in a furnace a charge comprising an ore or compound of a constituent metal and a silicon-containing reducing agent, and adding the resulting metal to a bath of molten iron or iron alloy in the furnace. Fluxes such was lime and fluorspar may be used. The reducing-agent may be ferro-silicon, calciumsilicon or other silicon alloy, and may be mixed with some aluminium, ferro-calcium, calciumsilicon-aluminium, or other stronger reducing- agent. The reaction-mixture may be briquetted. Some ferro-chrome or other chromium alloy may be added to the molten bath, or may form part of the briquetted reaction-mixture; for example, the briquettes may contain chromite, ferro-silicon and an iron-chromium-silicon alloy. Instead of using chromite, chromium-silicon alloy may be used with iron oxide and chromium oxide or sodium or calcium chromate. In some cases, nickel may be added to the bath or as part of the briquettes; or nickel oxide may be present in the mixture. The process may be carried out in electric or other suitable furnaces, or in one or more converters. The alloy may be finally refined bv a blowing operation, for example that described in Specification 197,987, or by means of solid reagents such as ores or compounds of iron or chromium.
Patent GB-1262743-A (GB)
Title: Anti-fraud pouring spouts for bottles and the like, and bottle caps associated therewith
IPC: B65D49/04
Filed: 1969-01-31
Abstract: 1,262,743. Non-refillable container; bottle caps. LE BOUCHAGE MECANIQUE. 31 Jan., 1969 [31 Jan., 1968; 3 May, 1968 (2)], No. 5397/69. Headings B8D and B8T. A pouring spout for a container neck 31 includes an anti-fraud valve that only permits flow of liquid out of the container, and is attached by force-fitting a plastics sleeve 2 over the neck; the spout includes a well 12 and a cup-shaped baffle- and/or valve-member 19. In one embodiment, the sleeve 2 locates in a groove 33 of a bottle neck 31 by a continuous or discontinuous rib 5, and is sealed by an annular element 13. A well 12 situated inside the bottle neck 31 supports a movable valve member 19 that closes an emptying aperture 17 when the 'bottle is upright, aided by weighting of a conical portion 21 or by a ball 22. A tamper-proof aluminium closure cap 27 is placed over the spout, preferably at preassembly, and crimped over the spout screw-threads 3 and the bottle shoulder 36. Twisting the cap 27 breaks a weakened line 25, 26 leaving a guarantee band 28 on the bottle neck. In an alternative embodiment (Fig. 4, not reproduced), the sleeve (2) projects above the bottle neck forming a well (41) that clamps on to the neck with an inner depending lip (40). The emptying aperture (16) is controlled by a movable disc (18) held in the well by ribs (42) and a baffle (19). The guarantee band covers the seal between spout and neck, and is crimped on to a shoulder (36) of the neck or alternatively of the spout (Fig. 5, not reproduced).
Patent GB-329377-A (GB)
Title: Improvements in or relating to road traffic direction and movement signalling devices for use on vehicles
IPC: B60Q1/34
Filed: 1929-02-18
Abstract: 329,377. McLeod, R. G. Feb. 18, 1929. Road-traffic signals on vehicles.-A manoeuvre signalling device for use on vehicles comprises a plurality of indicators adapted to be rotated about a horizontal axis from a horizontal inoperative position to a vertical display position by individual operating means nested to turn about a common axis. The operating means may be utilized to control switches for lamps to illuminate the indicators. In one form as shown in Figs. 1 and 5, two indicators comprising metal casings 10, 11 with arrowheads 12, 13 pointing in opposite directions are mounted respectively on tubular stems 14, 15 enclosed in an outer casing 16 mounted on the vehicle. The casing 16 may be arranged in a tube forming part of the hinge of the windscreen. 'The stems 14, 15 are provided with control arms 18, 19 extending through slots in the casing 16 and tube 14 and casing 16 respectively. The interior of the stem 15 houses an electric lamp 21 mounted in a cartridge, bearing at one end against an inturned lug 22 and having pins 23 at the other end engaging bayonet slots in the stem. The cartridge comprises an insulating block 24, a spring plunger 25, and a metal flange 26. The flange 26 serves to connect one of the lamp terminals to the stem 15, the other terminal being connected by a stud 27 in the insulating block and a wire 28 to an insulated stud 29. A battery is connected to the terminals 31, 32, the latter being associated with spring contacts 33, 34 that co-operate with the control arms 18, 19 when moved to operative position. The terminal 32 and contacts 33, 34 are mounted on an insulated plate 35 on a bracket 17 carrying spring clips 36, 37 for holding the arms in inoperative position. The stems are slotted opposite the lamp 21 to permit the light to pass through and illuminate the indicators when moved to display position. The inoperative indicator may also be illuminated to display the warning " pass " or " stop.'' The circuit of the lamp may also be controlled by a brake operated or other switch to display a warning such as " slow " when desired. In another form, as shown in Fig. 8, the stems are provided with enlarged extensions 52, 53 to provide adequate room for two lamps 55, 56, one for each indicator, the lamp cartridge comprising a casing 54 with a central conducting block 64 and insulated contact blocks 65, 70 connected to leads 63, 69, 74 respectively. In the circuit diagram, Fig. 9, the control arms are represented by the contacts 77, 78 and additional switches 79, 81 are provided in parallel therewith for control by the steering wheel 80 and brake pedal 82. A modified form with three indicators is shown in Fig. 11, the control arms 91, 92, 93 being mounted on nested sleeves supported on a windscreen standard 94.
Patent GB-277559-A (GB)
Title: Improvements in or relating to closed feed systems for steam power plants
IPC: F22D11/06
Filed: 1927-02-26
Abstract: 277,559. Weir, Ltd., G. & J., and Lang, C. R. Feb. 26, 1927. Feedwater, supplying.-An elevated feed reservoir r in communication with the condenser a from which condensate is supplied to a boiler is connected to the condensate supply pipe m between the extraction pump d and the suction head pump c, and contains a float g operating a valve f controlling the supply of make-up water admitted to the condenser from an open tank u through a pipe t.
Patent GB-962769-A (GB)
Title: Improvements relating to electric discharge lamps
Inventor: MOORE JAMES WILLIAM
IPC: H01J61/32
Filed: 1962-02-13
Abstract: 962,769. Discharge lamps. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Jan. 30, 1963 [Feb. 13, 1962], No. 5510/62. Heading H1D. A method of exhausting and sealing the envelope of a discharge tube having two envelope members 1 and 2 which are sealed together to give a tortuous discharge path, and at least one of which is of a vitreous material, comprises inserting an exhaust pipe 6 part way between the lips 8 of the two members 1 and 2, heating the outer edge of the tube to collapse it on to the exhaust tube and to seal the tube, evacuating the tube, then collapsing the inner edge of the tube to seal off the end of the pipe 6, and withdrawing this exhaust pipe from the tube. The heating may be by gas burner 9, electrical heating 10 around the rim, or a combination of both. The envelope may be coated internally with a luminescent material. Specification 925,488 is referred to.
Patent GB-816713-A (GB)
Title: Improvements in or relating to the manufacture of porous plastic plates or foils which are corrugated, pitted or embossed
IPC: H01M50/417
Filed: 1956-02-22
Abstract: Porous plates or porous foils, which are corrugated or embossed or pitted, especially separator plates for accumulators, are made from plastic powders, e.g. polystyrene or polyethylene, as follows: First flat porous plates or foils are made by sintering plastic powder by heat and, if desired, pressure.  During or after sintering the plates or foils are stretched whilst at the sintering temperature.  Then the sintered stretched plates are shaped by pressing with profiled tools, and cooled during or after shaping.  The shaping may be effected by dies or profiled rolls. The corrugations &c. may extend parallel or at right angles to the direction of stretching.  The processes may be continuous, the plastic powder being charged onto a continuously-travelling support which moves through a heating zone to sinter the powder and then through a stretching device, which may be a roller or a pair of rollers rotating with a peripheral speed greater than the speed of the travelling support.  Thereafter the sheet is shaped by profiled rolls and divided into lengths.
Patent GB-367376-A (GB)
Title: Improvements in or relating to casting machines
IPC: B41D3/00
Filed: 1930-11-19
Abstract: 367,376. Casting stereotype &c. WILLIAMS, V. S. and WILLIAMS ENGINEERING CO., Ltd., Nodis Works, Julien Road, Ealing. London. Nov. 19, 1930, No. 5561. [Class 100 (ii).] In casting-machines, and particularly stereotype casting-machines, of the type in which one part of a composite mould is movable for opening and closing the mould in a direction substantially normal to the other part, the movable part is carried by an operating member in such a way that it can move in all directions relatively to the other part. The mould part 58, which may be water-cooled, is secured to a shaft 86, adapted to be oscillated by means of a lever 120, cam 119, and shafts 111, 123 from a hand-wheel. The other mould part comprises a saddle-piece 87 straddling and pivoted to a section 88 to permit the insertion of the matrix. The end walls of the mould are formed by the edges of a recess in the saddlepiece and a projection 91 on the part 58, metal entering the mould through an aperture between the projection 91 and the saddle-piece. The side walls of the mould are on the part 58 and are undercut to retain the casting in position when the parts are separated. The matrix is clamped by an eccentric 93 on a rod 94 mounted in the saddle-piece, the eccentric bearing on a part of the section 88. The matrix is supported by a block 109 loosely mounted in a recess in the section 88. The mould part 87, 88 is supported on a rod 98 by a spring 106, and a rod 104 carried in lugs on the part 88 and passing through a slot in a block 102 on the rod 98 with sufficient clearance to permit movement in all directions. The rod 98.is slidably mounted in bearings 99 pivoted to the machine frame, and is moved by means of a lever 116 connected to a lever 112 actuated by a cam 110 on the shaft 111. The position of the parts 87, 88 can be adjusted by means of a nut 117 mounted in a slot in the machine frame and engaging a screw 113 connected to the lever 112. A counterbalanced pivoted stripping-blade 83 is also provided, adapted to be tripped during the outward movement of the mould part 58. The supply of'molten metal to the mould may be controlled by a cam on the shaft 111.
Patent GB-1458171-A (GB)
Title: Toothed gearing
IPC: F16H55/18
Filed: 1975-02-10
Abstract: 1458171 Toothed gearing DAIMLER-BENZ AG 10 Feb 1975 [15 Feb 1974] 5593/75 Heading F2Q A toothed wheel 10 consists of a toothed member 11 for transmitting torque and a toothed member 12, mounted on a hub portion 13 of member 11, for taking up back-lash the members 11, 12 having helical teeth and encapsulating a disc spring 18 located between them. The member 12 is mounted on the hub 13 by means of teeth 14 of sinusoidal profile. The spring 18 is engaged by annular beads 16, 19 on the members 12, 11. Alternatively the beads are provided on the spring disc 18. In a modification, the members have spur teeth and the member 12 is mounted on the hub 13 by means of a helical groove guide. In a further modification, a member 12 is centred on a hub 13 by cylindrical surfaces 21, Fig. 2, and pins 22 prevent relative rotation between the members 11, 12.
Patent GB-954995-A (GB)
Title: Improvements in road vehicle bodies
Inventor: EDNEY JAMES WILLIAM
IPC: B60H1/26
Filed: 1961-02-15
Abstract: 954,995. Collapsible vehicles. AIRBORNE SERVICE EQUIPMENT Ltd. Feb. 13, 1962 [Feb. 15, 1961], No. 5655/61. Addition to 839,158. Drawings to Specification. Heading B7B. An elevating cover as described and claimed in the parent case has a pair of oppositely directed diagonally arranged compression springs between the elevating cover and the vehicle roof to assist in erecting the cover.
Patent GB-414984-A (GB)
Title: An improved condenser bobbin or spool for wool carding machines
IPC: B65H75/14
Filed: 1934-02-21
Abstract: 414,984. Condenser bobbins. McDONALD, J., Erisort House, Stornoway. Feb. 21, 1934, No. 5676. [Class 120 (iii).] A condenser bobbin 1 for wool carding machines is formed with a diametrical slot 2 which extends throughout practically the whole length of the bobbin, a knife being inserted in the slot 2 and drawn therealong when it is desired to remove waste sliver.
Patent GB-621454-A (GB)
Title: Mechanism
IPC: F16H31/00
Filed: 1947-02-27
Abstract: 621,454. Gearing for converting oscillating into rotary motion. LAWRENCE, H. S., and SIMPSON-LAWRENCE, Ltd. Feb. 27, 1947, No. 5695. [Class 80 (i)] A handle 2.on a shaft 1 is operated with an osciilatory movement to drive a shaft 9 through pawls 11, 13 engaging a ratchet wheel 10 on this shaft. The pawl, 11 drives, on movement of the handle 2 in one direction, through an arm 4, link 5 and radius rod 8 whilst the pawl 13 drives on the reverse movement through a gear segment 3 on the shaft 1 engaging a gear segment 12 freely rotatable on shaft 9 and carrying the pawl 13. A low ratio drive may be obtained through another handle 14 on a shaft 15 with a short arm 16 connected by a link 18 with the arm 4.