baber/WOPTO huggingface dataset:
Patent GB-760753-A (GB)
Title: Improvements in the manufacture of metal hand wheels
IPC: B21D53/26
Filed: 1954-06-10
Abstract: 760,753. Making hand wheels. JORGENSEN, N. P. June 10, 1954 [June 13, 1953], No. 17083/54. Classes 83 (2) and 83 (4). Forging.-A method of making a metal hand wheel for valves, cocks, taps and the like from a single piece of sheet metal by pressing and cutting, comprises pressing out of the sheet metal a central elongated hollow boss 2, thickening the central portion 3 of the hand wheel round the boss and also the wall of the boss by upsetting, and then cutting off a portion of the boss at its outer free end 5 to leave a hole 6 completely through the boss for reception of the spindle of the valve. During the upsetting, there is also provided an annular shoulder 4 surrounding a central surface serving as an abutment for a nut securing the hand wheel to the spindle. Arcuate holes 7 are also cut in the wheel.
Patent GB-1068656-A (GB)
Title: Improvements in chucks for milling machine cutters
Inventor: PEPPER HERBERT
IPC: B23C5/26
Filed: 1965-04-22
Abstract: 1,068,656. Arbors. SHEFFIELD TWIST DRILL & STEEL CO. Ltd. Dec. 7, 1965 [April 22, 1965], No. 17100/65. Heading B3K. Means for holding a rotary tool comprise an arbor having a plain portion (5) and a threaded portion 7, a sleeve 9 on the plain portion outwardly threaded of opposite hand to engage a collar 10, and a spring 11 tending to rotate the collar on the sleeve. The sleeve 9 may be retained on the arbor by a split ring. To release a tool, the nut 10 is screwed against the force of the spring 11.
Patent GB-911680-A (GB)
Title: Portable gas storage equipment
Inventor: WILLIAMS GILBERT
IPC: F17C13/08
Filed: 1960-05-16
Abstract: 911,680. Storing gases. BRITISH OXYGEN CO. Ltd. May 4, 1961 [May 16, 1960], No. 17173/60. Class 8(2). Portable gas storage equipment having a harness for securing the equipment to the body of a user, comprises a first gas storage container 10 of cylindrical form and a second gas storage container 11 in the form of a loop of tubing which encompasses the container 10 in a longitudinal plane of the latter. The containers 10, 11 are releasably clamped together by a bracket 16, 17 and the body harness comprises a frame 20 releasably clamped to the container 10 by bands 21 and having a part 23 for supporting the container 11, the latter being located by the engagement of an eyelet plate 24 thereon with a stud 25 on the frame.
Patent GB-934816-A (GB)
Title: Improvements in winnowing apparatus for cigarette-making machines
Inventor: LABBE FRANCIS AUGUSTE MAURICE
IPC: A24C5/18
Filed: 1960-05-16
Abstract: 934,816. Pneumatic separating. MOLINS MACHINE CO. Ltd. May 15, 1961 [May 16, 1960], No. 17182/60. Class 117. [Also in Group VI] Winnowing apparatus for a cigarettemaking machine includes a picker roller 4 which moves tobacco from a carded roller 1 and throws it across a plate 6 towards a perforated rotating roller 7 and a vertical channel 9 up which an airstream is drawn to carry off the light particles, while heavier particles strike a wall 15 of a chamber 35 and fall through an opening 36 to a rotary valve 38 which leads them to a rotary sifting device 40, 41. The light particles drawn through the channel 9 are received on a perforated conveyer tape 10 on which a tobacco filler is formed as described in Specification 895,733. The rotary sifting device consists of two rows of interculated discs 40, 41 having serrated edges and arranged so that smaller pieces pass between them and fall to a rotary valve 44 which feeds them to a plate 45 leading to a passage 46. A second airstream is drawn up the passage 46 and carries the lighter particles to the stream of material leading towards the channel 9. The large pieces of stem &c. are carried by the discs 40 to a passage 48 having a rotary valve 50 leading to a conveyer 52. A third airstream is drawn upwardly through the passage 48 and a further passage 63 to carry off any light material to the channel 9. Air is drawn into the apparatus via perforated plates 14, 64 and an adjustable aperture 65. A wall of the passages 48 and 63 are adjustable to regulate the airflow therethrough. A member 8 has guides or vanes 8A along its length to cause the air entering the channel 9 to flow with a component in the direction of movement of the tape 10. The general layout is shown in Fig. 1, and cut tobacco is contained in a reservoir formed between a wall 2 and carded rollers 1 and 3. Suction in the channel 9 is produced by a fan 12, augmented by a fan 19 connected by a pipe 20 and branch 20a to the upper end of the channel 9 as described in Specification 916,141. The fan 19 also provides a circulation of air through the perforated cylinder 7, duct 53 and a box 60 with a screen 61, as described in Specification 895,733; such air flow assists in blowing the light particles towards the inlet of the channel 9. A dust separator 23 in the pipe 20 has an outlet pipe 24 connected to the inlet of the fan 12 whereby the dust is carried to cyclones 13.
Patent GB-1495322-A (GB)
Title: Thermoplastic moulding compositions of high impact resistance
IPC: C08L77/00
Filed: 1975-04-25
Abstract: 1495322 Oxymethylene polymer blend BASF AG 25 April 1975 [26 April 1974] 17200/75 Heading C3P A blend comprises (a) 70 to 97% of an oxymethylene polymer and (b) 3 to 30% of a block copolymer of a conjugated diene polymer block and at least one poly-(alkylmethacrylate) block. The examples refer to compositions of (a) trioxan-dioxolan or dioxepane copolymer and. (b) 2- and 3-block polybutadiene-polymethylmethacrylate polymers, together witn conventional diamide - urea - H.CHO condensate stabilizer and phenolic antioxidant. Other conventional additives may be present in the composition, including glass fibres.
Patent GB-1429091-A (GB)
Title: Continuously operable automatic machine for spreading non-slip  varnish on the trouser support bar of a clothes hanger
IPC: A47G25/30
Filed: 1974-04-19
Abstract: 1429091 Coating apparatus MAINETTI SpA 19 April 1974 [15 June 1973] 17230/74 Heading B2L Non-stick varnish is applied to the trousers rail of a coat hanger by apparatus comprising a pivotable member 1 which takes a hanger and delivers it to a coating station where a nozzle 9 spreads a varnish on the trouser rail, a conveyor 23 which carries the hanger through an oven 24 and delivers it to a rail 27 of a rotatable device 28 rotation of which is controlled by a counter 26 at the conveyor to load the rails 27 with a predetermined number of hangers. During the coating operation a hanger is held at its shoulder positions by two hooks 7 pivoted by pneumatic rams (15) (Figs 2, 3, not shown) and the trouser rail is supported by a pivotable member 3 while the nozzle 9 traverses the rail. The nozzle is guided by a rail 11 for movement axially of a device 10 which is moved transversely of the apparatus by a chain 18 driven from a motor 19 through a belt 20 and a slipping clutch 21.
Patent GB-172923-A (GB)
Title: A process for the purification of oils and fats
IPC: C11B3/06
Filed: 1921-06-23
Abstract: In the purification of oils and fats by the addition of a soluble salt in conjunction with a base, such as lime or zinc oxide, which precipitates the free fatty acids as insoluble soaps, small quantities of insoluble soaps of solid fatty acids are also added to produce a precipitate of suitable consistency. Suitable additions are the lime soaps of cocoanut or palm oil, tallow, or hydrogenated fats or oils.
Patent GB-558409-A (GB)
Title: Improvements in and relating to milling cutters
IPC: B23C5/20
Filed: 1942-12-04
Abstract: 558,409. Milling-cutters. STEWART, R. C. Dec. 4, 1942, No. 17243. [Class 83 (iii)] A rotary milling cutter comprises a holder a fitted with tools d arranged at progressively varying distances from the cutter axis and at oppositely varying distances from a datum plane perpendicular to the cutter axis so that tools located at the greatest distance from the axis cut at the least depth, the plane of the cutter face being so inclined that the tools are uniformly supported. In one form the cutter has two groups of tools, arranged round a circle eccentric to the central bore b by which the cutter is mounted the group 2, 4, 6, 8 being at increasing radial distances from the cutter axis but decreasing distances from the datum plane. The second group 7, 5, 3 are at decreasing radii but increasing datum distances. The cutter 1 is a finishing tool cutting at slightly greater depth than the cutter 2. An example of actual dimensions is given in the Specification. The front face of the cutter is inclined as shown so that the tools protrude approximately equal distances from the cutter face. In a modification 36 tools are arranged in a similar manner in two groups. In some cases the tools may be arranged in a single group with equal differences of radial and datum measurements. The cutter body may be dynamically balanced.
Patent GB-201539-A (GB)
Title: Process in the manufacture of manganese steels
IPC: C21C5/00
Filed: 1923-07-03
Abstract: 201,539. Soc. Anon. des Hauts Fourneaux Forges et AciÚries de Pompey. July 31, 1922, [Convention date]. Alloys.-Manganese steels are made by treating in a basic or neutral converter non-phosphoric cast irons containing a large proportion of manganese, such as high-manganese spiegel. The molten spiegel may be placed in a heated converter with or without a small addition of lime, and the blow proceeded with, the operation being stopped when the proportion of carbon is that desired. The treatment of the metal after the blow may be completed in a Martin or electric furnace. Any manganese oxidized may be recovered from the slag by treatment in a blast furnace. Other alloying elements such as silicon, tungsten, chromium, nickel may be added.
Patent GB-566193-A (GB)
Title: Improvements in multiple-roll ironing machines for laundries
IPC: D06F67/04
Filed: 1942-12-04
Abstract: 566,193. Ironing-machines. HUGHES, M. B. Dec. 4, 1942, No. 17264. [Class 138 (ii)] Articles are moved from the rear to the front of a multiple-roll ironing-machine in a basket or like receptacle 1 having wheels to run on rails 3 carried by girders 5 supported by brackets 6 on the side frames 7 of the machine. Boards connecting the ends of the rails act as buffers to limit the travel of the receptacle.
Patent GB-211065-A (GB)
Title: Improvements in siphons for corrosive liquids
IPC: B67D7/00
Filed: 1923-07-04
Abstract: 211,065. Peters, O. July 4, 1923. Siphons for corrosive liquids are provided witli a diaphragm c having an elastic beading c<1> received in an external groove of a member d; the centre of the diaphragm embraces a corrugated portion of a tube a, which is provided with a hood b.
Patent GB-496298-A (GB)
Title: Improvements in and relating to shaft-coupling protectors
IPC: F16P1/04
Filed: 1938-06-22
Abstract: 496,298. Machinery guards. DETHICK, W. H. June 22, 1938, No. 17421/37. [Class 80 (iv)] A shaft - coupling protector comprises a onepiece cover 15 mounted on four semicircular wooden end pieces 5, 6 so as to form a hinge at 17. The edge 16 overlaps the end pieces 5 at 21 when in position and is secured to them to formaloosely-mounted drum.
Patent GB-750619-A (GB)
Title: Improvements in and relating to abrasive articles
Filed: 1953-06-23
Abstract: 750,619. Abrasive articles. M. & M. RESEARCH & DEVELOPMENT CO. June 23, 1953 [Oct. 10, 1952], No. 17427/53. Class 60. The firmly bonded abrasive material constituting the main body of an abrasive article has dispersed therein loosely bonded abrasive material of a hardness and fracture resistance comparable to that of the firmly bonded abrasive material so as to be capable of being bodily dislodged from the firmly bonded material by the action of engagement of the abrasive article with a workpiece, so as to self-dress the working surface of the firmly bonded material by the mechanical action of the dislodged loosely bonded abrasive material disposed between the surface and the workpiece. The firmly bonded abrasive material may be crystalline oxides, natural or synthetic such as alpha-corundum, beta-corundum, naxos-emery, spinel etc.; carbides such as silicon carbide, boron carbide; or a combination of such materials. The bond may be vitrified, resinoid, shellac, rubber, silicate, magnesium oxychloride or metallic. The loosely bonded abrasive may be of the same material or combination of materials as the firmly bonded abrasive. The loosely bonded doxosive may be in the form of grains coated with a refractory' oxide, e.g. magnesia, alumina or silica, to inhibit bonding by the bond for the firmly bonded grains. Alternatively, preformed pellets may be used comprising grains bonded by a bond weaker than that used for the firmly bonded grains; polyvinyl alcohol, dextrine solutions, methyl cellulose, urea resins, melamine resins, casein, starch, gum tragacanth, gum, acacic, alginates and blends thereof may be used.
Patent GB-1385847-A (GB)
Title: Ground engaging hay bale rolling apparatus
IPC: A01F15/07
Filed: 1973-04-11
Abstract: 1385847 Hay bale rolling apparatus STARLINE INC 11 April 1973 17455/73 Heading A1F A hay bale rolling apparatus consists of a wheeled frame F on which is mounted an hydraulically driven and controlled bale rolling device R. The bale roller R comprises a pair of endless chains 34 provided with transverse bars 35 running on four pairs of sprockets 22, 25, 29, 33, of which one pair 22 is driven by a hydraulic motor 48 via a sprocket 50 and chain 51. The lower chain run 34a between front sprocket 22 and rear sprocket 33 runs close to the ground and engages hay lying in a swathso as to roll it into a bale in the frame as it is moved along by a tractor. As the bale size increases the lower chain run 34a arches higher and higher within the baling chamber B (defined by the side plates 20, the transverse bars 35 and the ground) due to the pivotting of the upper front sprockets 29 on arms 26 about pivots 27. This swinging movement of arms 26 may be controlled by the pistons of hydraulic cylinders 36. When the bale reaches the required size for discharge, the rear sprocket arms 30 swing upwardly and rearwardly about their pivots 31 at the corner of the frame due to the operation of piston 45 in hydraulic unit 41 and move cross shaft 32 joining the lower rear sprockets 33 away from the rolled bale, permitting it to discharge from the baler. The hydraulic fluid supply to unit 41 may be controlled by a spring loaded actuating handle 64 of a mechanically controlled valve 63, which may either be manually operated by cables 76, 78 or automatically by a sensing device, 70, in which an arm 72 rests on the bale, and when the bale reaches a predetermined size, automatically operates actuating handle 64 to move it from the "running" to the "discharge" setting by means of cables 76, 78 and returning it to the "running" position when the bale has been discharged.
Patent GB-612961-A (GB)
Title: Hair curler
IPC: A45D2/28
Filed: 1946-06-11
Abstract: 612,961. Hair curlers. DEHN, S. G. (Gaylord Products, Inc.). June 11, 1946. No. 17484. [Class 131] In a hair curler having a pair of pivoted hairgripping members and a collar, provided with a pivoted U-shaped locking bail and rotatably mounted on the pivotally connected members, one of the members is provided with a protuberance for selectively engaging one of a number of spaced recesses in the collar to yieldably resist rotation of the collar on the members. As shown in Figs. 4 and 6 the gripping members 11, 12 are pivoted to each other at 13 and at the region of pivotal attachment are encircled by a collar 21 the grooves 22 and 23 of the collar and gripping members respectively engaging so that the collar and the locking bail 27 pivoted thereto on pins 29 can be rotated but cannot be translated axially with reference to the gripping members. A projection 26 on the member 12 engages one of a number of depressions 24 on the inside of the collar so that after a tress of hair has been wound close to the scalp the collar can be rotated so that the bail can be locked in its most advantageous position by engagement of inturned portions of the bail with the grooves 32.
Patent GB-649842-A (GB)
Title: Improvements in and relating to sound reproduction cabinets
IPC: H04R1/28
Filed: 1948-06-30
Abstract: 649,842. Sound magnifying and directing appliances. CORKE, A. J. June 30, 1948, No. 17544. [Class 13] [Also in Groups XXXIX and XL (c)] A loud-speaker 15 is so mounted in a cabinet that the sound is directed downwards and outwards through an aperture 12a at or near the lower end of the front 12. The loud-speaker is carried by a plate 14 provided with holes 14a. A board 17 reflects the sound through the aperture. The resonance of the cabinet may be controlled by means of sliding panels, shutters or louvres 16 in the back 13 which is also provided with ventilation holes. The cabinet may incorporate a television set or wireless set.
Patent GB-204137-A (GB)
Title: Improvements in radiometers
IPC: G01T1/15
Filed: 1922-06-26
Abstract: 204,137. Russ, S., and Clark, L. H. S. June 26, 1922. Electrostatic meters; casings; resistances, measuring.-The output of rays from X-ray tubes and other sources of ionizing radiations is measured by balancing the ionizing power of a beam of such radiations against that of a specified quantity of radio-active matter. The apparatus comprises two chambers A, B, containing insulated electrodes C connected by a wire D passing through an insulating-plug E. The chamber A is a lead cylinder having its ends closed by mica windows coated with aluminium leaf and is disposed within a housing having openings facing the mica windows. One of the openings is smaller in diameter than the cylinder and has a diaphragm with a minute lead disc H at its centre so that it will allow an annulus of radiation to pass axially along the cylinder without impinging on the cylinder wall or the electrode. The chamber B has two windows G in opposite walls facing the electrode and another wall is of thin aluminium leaf through which a radiations can enter. The electrode in this chamber consists of a stem to which a gold leaf is attached to act as an electroscope. One terminal of a battery F is connected to the chamber A, the other terminal being connected to the chamber B and to earth. The deflation of the gold leaf may be observed through a telemicroscope or an image of the leaf may be projected on a screen. The gold leaf electroscope may be replaced by an electrostatic voltmeter the movements of which are indicated on a dial or recorded on a drum.
Patent GB-111715-A (GB)
Title: Improvements in Machines for Grinding Spherical Surfaces, particularly applicable to the Grinding of Lenses.
Inventor: TAYLOR WILLIAM
IPC: B24B13/04
Filed: 1916-12-07
Abstract: 111,715. Taylor, W. Dec. 7, 1916. Guards. - In a machine for grinding curved surfaces such as lenses, the grinding-wheel A is provided with a guard A<3> adjustable along the axis of the wheel. The guard has an opening A<4> at one side to permit the work to be applied to the wheel and an opening at the bottom to permit the escape of surplus liquid. The opening A<4> is secured by a curved part A<5> designed to prevent splashing of the liquid projected against it, and the interior of the guard has a groove AT curved to prevent atomisation of the liquid projected against it.
Patent GB-1154275-A (GB)
Title: Process for the Dimerization of Acrylonitrile
IPC: C08F20/44
Filed: 1967-04-17
Abstract: 1,154,275. Dimerization of acrylonitrile. E. I. DU PONT DE NEMOURS & CO. 17 April, 1967 [19 April, 1966], No. 17603/67. Heading C2C. A process for dimerizing acrylonitrile comprises reacting acrylonitrile with from 20 to 40% by weight, based on the total reaction mixture, of a catalyst of the formula P(X)(Y)(Z), wherein X, Y and Z, which may be the same or different, are alkyl groups having from 1 to 18 carbon atoms, aryl groups having from 6 to 18 carbon atoms, alkoxyl groups having from 1 to 18 carbon atoms, or aryloxyl groups having from 6 to 18 carbon atoms, which groups X, Y and Z may be substituted or unsubstituted and any of which may be attached to another phosphorus atom, in the presence of a promoter, which is an alkanol having from 3 to 20 carbon atoms and is present in an amount of from 0À2 to 35% by wt., based on the total reaction mixture, or which is water present in an amount of from 0À1 to 5% by wt., based on the total reaction mixture, at a temperature of from 200-270 C. and a pressure which is at least sufficient to maintain the catalyst and/or the acrylonitrile in the liquid phase, whereby 1,4- dicyano-1-butene is produced at a rate of at least 0À5% by wt. per hour per per cent catalyst and at a yield of at least 50% based on the acrylonitrile consumed. The invention also comprises a process for dimerizing acrylonitrile which comprises reacting acrylonitrile with from 1 to 20% by wt., based on the total reaction mixture, of a catalyst of the formula X 1 P(NR 1 R 2 ) 2 , wherein R 1  is an alkyl group having from 1 to 18 carbon atoms or an aryl group having from 6 to 18 carbon atoms, R 2  is hydrogen or R 1 , and X 1  is NR 1 R 2  or an alkyl group having 1 to 18 carbon atoms, an aryl group having from 6 to 18 carbon atoms, an alkoxyl group having from 1 to 18 carbon atoms or an aryloxyl group having from 6 to 18 carbon atoms, which groups R 1 , R 2 and X 1  may be substituted or unsubstituted or wherein R 1  and R 2  together with the nitrogen atom to which they are attached form a morpholino group, in the presence of a promoter, which is an alkanol having from 3 to 20 carbon atoms and is present in an amount of from 0À2 to 35% by wt., based on the total reaction mixture, or which is water present in an amount of from 0À1 to 5% by wt., based on the total reaction mixture, at a temperature of from - 50 to + 50 C. and a pressure which is at least sufficient to maintain the catalyst and/ or the acrylonitrile in the liquid phase, whereby 1,4-dicyano-1-butene is produced at a rate of at least 0À5% by wt. per hour per per cent catalyst and at a yield of at least 50% based on the acrylonitrile consumed. In examples, acrylonitrile is dimerized to 1,4-dicyano-1- butene, some dicyanocyclobutane and methylene-glutaronitrile also being obtained.
Patent GB-1426056-A (GB)
Title: Fork lift trucks
IPC: B62D25/08
Filed: 1972-04-17
Abstract: 1426056 Fork lift trucks LANCER BOSS Ltd 5 April 1973 [17 April 1972] 17628/72 Heading B8H In a battery operated fork lift truck the load guard, which consists of a pair of front 16 and rear 19 uprights (only one of each being shown) connected at their top by a protective frame 18, 18, is connectible to the mast 7 such that on forward tilting of the mast 7 the load guard is tiled about a pivot 17 on the truck chassis 1 to the position shown in dotted lines thus permitting lifting tackle to engage with members 33 on the truck battery 12 to remove the latter. Attachment between the load guard and mast 7 is effected by means of a link 25 pivoted to an upright 16 of the load guard at 26, the link 25 having a bore 27 which registers with a bore 29 in a bracket 28 on the mast 7, a pin (not shown) being used to connect the two bores. The mast is tilted about a point 8 by means of a ram 9a. The uprights 16 of the load guard support a steering column 31 with its steering wheel 32 and the driver-operator's seat 20 is mounted via a framework 20a on the uprights 19 to tilt therewith.