baber/WOPTO huggingface dataset:
Patent GB-1151864-A (GB)
Title: Process for the production of Equilenin and Related Compounds
Inventor: SMITH GERALD ARTHUR
IPC: C07J1/00
Filed: 1965-06-22
Abstract: 1,151,864. #<SP>1</SP>'<SP>4</SP>'<SP>7</SP>'<SP>9(11)</SP>-Steroids; and the preparation of #<SP>1</SP>'<SP>3,5(10),6,8</SP>-steroids. GLAXO LABORATORIES Ltd. 17 June, 1966 [22 June, 1965], No. 26387/65. Heading C2U. Steroids of the skeletal Formula IX and their 3-alkyl ethers, are prepared by reaction of steroids of the skeletal Formula VII or novel steroids of the skeletal Formula VIII with a strong acid in the presence or absence of an alkanol or with a Lewis base having a tertiary nitrogen atom and a dielectric constant above 15 together with a substance yielding chloride or bromide ions and an acid catalyst, or by treatment of steroids of the skeletal Formula VI with a similar Lewis base together with a compound yielding chloride or bromide ions; steroids of the structure VIII being prepared by reaction of steroids of the structure VII with a dilute solution of a mineral acid in an ether solvent: steroids of the structure VII being prepared by reaction of steroids of the structure VI with a base; steroids of the structure VI being prepared by conversion of steroids of the skeletal structure V into the corresponding 9#,11#- epoxides and reaction of these with HCl or HBr or by direct reaction with HOCl or HOBr; steroids of the structure V being prepared by reaction of steroids of the skeletal Formula IV with a Lewis base as defined above in the presence of an alkaline earth metal carbonate or lithium carbonate and an alkali metal halide; steroids of the structure IV being prepared by oxidation then bromination of steroids of the skeletal Formula III; steroids of the structure III when possessing a 17-oxo group being prepared by reaction of an oxime of the basic structure II A  with POCl 3  in pyridine followed by treatment with HCl and subsequenthydrolysis of the 3-acyloxy group; and steroids of the structure IIA being prepared from the corresponding 20-ketones and NH 2 OH (wherein Y is Cl or Br; and Ac is acyl).
Patent GB-338977-A (GB)
Title: Improvements in and relating to rotors for three phase motors
IPC: H02K17/18
Filed: 1929-08-30
Abstract: 338,977. Naamlooze Vennootschap Hengelosche Electrische en Mechanische Apparatenfabriek, and Booden, A. Aug. 30, 1929. Alternating-current induction machines.-In a short-circuit rotor for a three phase motor, the short-circuiting rings are subjected to a current displacement effect solely by rigid and non- subdivided magnetic material which is arranged on the rings or in their proximity and is so disposed that the current of the rotor windings does not flow in series through it. Fig. 1 shows a rotor with inner and outer cage windings 2, 1 of different inductances and resistances and shortcircuiting rings 5, 3 separated from the end of the rotor by spacers 6, 4. An iron ring 7 is secured to the ring 3 by means of screws. In an alternative form, the iron ring consists of an annular channel which shrouds the inner ring 5. In the form shown in Fig. 2, the inner shortcircuiting ring of the outer winding 1 consists of a flat copper ring 3, optionally stamped to the same pattern as the core discs, and the iron ring 7 constitutes an end plate for compressing the core. Flow of the rotor currents in the iron rings may be prevented by insulating them from the short-circuiting rings or core by a layer of varnish. Specifications 236,609, 246,437 and 267,670 are referred to.
Patent GB-301596-A (GB)
Title: Artificial manure spreading and seed sowing machine
IPC: A01C15/16
Filed: 1927-10-08
Abstract: 301,596. P÷ppelmann, H. Oct. 8, 1927. Manure and seed distributers.-In a machine for distribut.- ing manures and seeds the material is delivered from the container to a moving sieve e between two smooth rollers c, d of different diameters. The larger roller c rotates with the travelling wheels and the smaller roller is driven by gearing which also drives two eccentrics h giving a circular movement to a suspended frame i carrying the sieve or sieves e. The roller c is providied with scrapers k, k<1> having rectangular teeth.
Patent GB-1330290-A (GB)
Title: Portable garment bag
IPC: A47G25/54
Filed: 1971-04-19
Abstract: 1330290 Portable garment bags SOC C E V CENTRAL EMBALLAGE DU VETEMENT 19 April 1971 [25 April 1970] 26754/71 Headings A4G and A4X A portable bag for protecting garments comprises a tube 2 of flexible material, e.g. plastics or paper, one end of the tube being open and the other end being closed apart from a small opening through which the hook of a clothes hanger can be passed, each end of the tube being provided with a transverally extending stiff plastics handle 7, 8, the two handles being held together by snap fasteners 9 when the tube is folded to form a carrier bag.
Patent GB-628442-A (GB)
Title: Protective means for submersible pumps
IPC: F04D9/00
Filed: 1947-10-06
Abstract: 628,442. Centrifugal pumps. BERESFORD & SON, Ltd., J., and WOOD. K. P. Oct. 6, 1947, No. 26781. [Class 110(i)] A protective casing for use with a submersible electrically driven pump b comprises an inner part a which encloses the pump and an outer part e open at its upper end, the two parts being in communication at g near their lower ends. The inner part a is cylindrical and the outer part e is rectangular or cylindrical. Water to be pumped enters through the open end of the outer part e and is discharged at d. To facilitate precipitation of solid matter in the space between the outer and inner parts, the width of the space is preferably greater than that of the space between the inner part and the pump. The motor may be stopped by a low-load relay if the inlet becomes blocked.
Patent GB-998815-A (GB)
Title: Improvements in or relating to high frequency electrical apparatus
Inventor: SMITH MICHAEL JOHN
IPC: H01P1/08
Filed: 1960-08-03
Abstract: 998,815. Waveguide windows; electric discharge tubes. ELECTRIC & MUSICAL INDUSTRIES Ltd. July 26, 1961 [Aug. 3, 1960; Dec. 29, 1960], Nos. 26821/60 and 44592/60. Headings H1D and H1W. The " single surface multifactor effect" is avoided in the output waveguide windows of generators having sufficient power to produce the effect. The effect consists in the repeated bombardment of discrete areas of the window by secondary electrons repeatedly driven back towards the locality of their origin. It is stated that dispersion of the electrons may be achieved by using wave modes which do not have an electric field gradient tending to concentrate electrons in discrete areas of low field strength. Thus, a conical window 2, Fig. 2, may be situated in a circular waveguide 1 propagating an E 01  mode wave and arranged between two ordinary H 01  rectangular guides 5, 6. The H 01  circular-electric mode and the H 11  mode in a rectangular waveguide are also stated to be suitable. A modified method comprises mounting the window 10, Fig. 7, which may be plane, hemispherical or conical, near a tapered portion 11 of the output guide, the larger end of the taper being nearer the evacuated (generator) of the guide. The electrons tend to drift away from the window towards an area of low field strength as indicated by the arrow 4. A third method consists in the provision of an auxiliary steady magnetic field coincident with or parallel to the waveguide axis, generated, e.g. by a solenoid 6, Fig. 1. In this construction, the conical window 5 has a liquid-cooled graded seal and the window itself is gas-cooled.
Patent GB-824256-A (GB)
Title: Improvements relating to the brazing of high melting point metals
Inventor: JACKSON JOHN STEPHEN
IPC: B23K35/36
Filed: 1955-09-20
Abstract: 824,256. Brazing. BRITISH THOMSONHOUSTON CO. Ltd. Sept. 20, 1956 [Sept. 20, 1955], No. 26887/55. Class 83 (4). In brazing parts of high melting point metals such as tungsten, molybdenum, tantalum or titanium, under non-oxidizing conditions, powered chromium boride is employed as the brazing material. The chromium boride is applied to the interfaces of the parts as a suspension in water or alcohol and brazing is effected at 1550-1700‹ C. in hydrogen, inert gas or vacuum or in conditions in which oxygen and nitrogen are excluded from the interfaces during heating, pressure being applied to the parts during heating. Brazing may take place in a bell jar containing the non-oxidizing atmosphere using a thin-walled cylinder of high melting point metal or graphite disposed inside an induction heating coil and surrounding the parts, the cylinder being heated by induction and radiating heat to the parts. Alternatively an argon shielded arc is struck between one of the parts and an electrode, the argon shielding the parts, or the parts may be heated by resistance heating when the interfaces are covered with a volatile liquid, e.g. methylated spirits, to exclude air during heating. Both parts may be of the same metal or one may be of molybdenum and the other of tungsten.
Patent GB-782787-A (GB)
Title: A process for increasing the activity of a catalyst containing a platinum metal, and the resulting catalysts
IPC: B01J23/96
Filed: 1955-09-21
Abstract: The activity of a catalyst containing a platinum metal supported on a carrier consisting wholly or mainly of alumina is increased by contacting the catalyst at 250-550 DEG  C. with a mixture comprising steam, oxygen or an oxygen-containing gas, and hydrogen chloride and/or hydrogen fluoride, in which mixture the molar concentration of steam is at least 50 times that of the hydrogen halide.  Treatment is continued, e.g. for 1-5 hours, at atmospheric, increased, or reduced pressure, until the catalyst has a desired halogen content.  The catalyst treated contains, for example, 0.3-0.6 per cent platinum and the alumina carrier may include small quantities of silica, magnesia, zirconium oxide, titanium oxide, or beryllium oxide.  The process may be used for the initial activation of fresh unused catalyst or for reactivation of catalyst after regeneration by burning off carbonaceous deposits with an oxygen-containing gas.  Substances which form hydrogen halides under the prevailing conditions may be added to the gas mixture; such substances are the halogens themselves or halogen-containing organic compounds.  The catalyst treated may initially contain chlorine and/or fluorine which may, if desired, be removed by treatment with steam alone at 400-500 DEG  C.  After activation, the catalyst is reduced in hydrogen at 150-500 DEG  C. The activation may be combined with the removal of carbonaceous deposits by first passing steam alone, adding air to the steam, and then adding hydrogen halide.  The catalyst is useful for hydroforming gasolines, especially at pressures below 30 atmospheres, giving high yields of product and retaining its activity for long periods.ALSO:Gasolines are reformed in the presence of hydrogen and of a platinum metal on alumina catalyst which has been activated or reactivated by treatment at 250-550 DEG  C. with a mixture comprising steam, oxygen or an oxygen-containing gas, and hydrogen chloride and/or hydrogen fluoride, in which mixture the molar concentration of steam is at least 50 times that of the hydrogen halide (see Group III).  The treatment may be applied to the reactivation of catalyst after regeneration by burning off carbonaceous deposits with an oxygen-containing gas.  Reforming pressures below 30 atmospheres are especially suitable.  Aromatics may be prepared from naphthenes or hydrocarbon mixtures containing naphthenes using the same catalyst; for example, cyclohexane and methyl-cyclopentane may be converted into benzene.
Patent GB-1060917-A (GB)
Title: Method of achieving an imitation of wood on articles made of plastics material
Inventor: KOPP HELMUT
IPC: B29C45/37
Filed: 1965-06-25
Abstract: 1,060,917. Moulding imitation wood articles. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. June 25, 1965, No. 27020/65. Heading B5A. Plastics articles having an imitation wood surface are moulded using a mould having an uneven surface corresponding to wood pitting the article thus formed subsequently being printed with a pattern simulating wood grain. The colour of the plastic material may be the same as that ultimately desired for the pores, or if a different colour is desired the article is sprayed with a suitable die after the pitting but before the printing of the wood grain pattern. As in the Figure (not shown), the mould may comprise a split injection mould one half (2) of which carries a central core (4) whilst the other half (3) carries a corresponding cavity into which fit removable side wall elements (5), (6), (7) and (8) each pitted with a simulated wood design. The injected article is thus formed with a suitably pitted surface.
Patent GB-1279564-A (GB)
Title: Refuse compactor
IPC: B30B9/30
Filed: 1970-06-04
Abstract: 1279564 Baling presses WHIRLPOOL CORP 4 June 1970 [20 Oct 1969] 27090/70 Heading B5F [Also in Division B8] A refuse compactor comprises a cabinet 11 containing a ram for compacting refuse in a receiving drawer 14 which has one side wall 20 and a bottom wall portion 30 hinged so as to facilitate the removal of compacted refuse. The hinged portion 20, 30 may include edges 32, 33.
Patent GB-261898-A (GB)
Title: Improvements in silencing devices for rattling sash windows
IPC: E06B3/44
Filed: 1925-10-29
Abstract: 261,898. Winkler, M. O. Oct. 29, 1925. Rattling of windows, preventing.-bowed steel springs with pairs of claw-like points d, f at each end are inserted between the sash of a window and the stop-bead to prevent rattling and draught. The claws are formed by making a circular incision e in the rounded inturned end g of the spring and the device is so positioned that the claws engage the sash.
Patent GB-463635-A (GB)
Title: Improvements in or relating to knitting machines
IPC: D04B15/76
Filed: 1935-10-01
Abstract: 463,635. Knitting. BRINTON CO., H. Oct. 1, 1935, No. 27122. Convention date, Oct. 2, 1934. [Class 74 (ii)] A design wheel, preferably for use in circular machines with independent needles, comprises in combination means serving to raise needles selectively from a first operative level to a second and /or third operative level as required. The wheel comprises inserts 132, displaced axially thereof and held in place by plates 123, 124, 126, the plates 123, 124 being toothed at their peripheries. Needles approaching at welt level 143, on the filling cam 113, may be raised selectively by a raising cam 114 and the design wheel to tuck level 140 or knitting level 141, to be operated by the stitch cam 112, according as an insert in the lower or upper part of the design wheel becomes operative on the butts thereof. Also, certain needles may be passed through at idle level 142, being depressed therefrom to welt level 145 by a depressing cam 144. Specification 21523/12, [Class 74 (ii)], is referred to.
Patent GB-616615-A (GB)
Title: Improved safety-razor blade stropping tool
IPC: B24D15/10
Filed: 1946-09-11
Abstract: 616,615. Stropping safety-razor blades. RAINFORD, W. Sept. 11, 1946, No. 27252. [Class 60] The jaws A<SP>1</SP>, A<SP>2</SP> having respectively bladelocating pegs B<SP>1</SP> and peg-receiving holes B<SP>2</SP>, are carried by crossed arms D<SP>1</SP>, D<SP>2</SP> secured together by rivets F<SP>1</SP>; one of the arms is of spring steel. The jaws have recesses G<SP>1</SP>, G<SP>2</SP> to facilitate insertion of the blade, and the backs of the jaws are bevelled so as to present the blade at a suitable angle to the strop. In a modification, the two parts of the implement are hinged together and a blade spring is inserted to exert the closing pressure.
Patent GB-1415127-A (GB)
Title: Packets such as cigarette packets
IPC: B65D53/00
Filed: 1974-06-19
Abstract: 1415127 Cartons FOCKE & PFUHL VERPACKUNGSAUTOMATEN SONDERKONSTRUKTIONEN 19 June 1974 [20 June 1973] 27257/74 Heading B8P A packet comprises a foldable blank to accommodate rod-shaped objects, the blank surrounding the packet contents in tubular manner and end flaps which are joined to each other and project beyond the end sides, being folded so that an inner longitudinal end flap bears on the packet contents, two side end flaps being folded upon the longitudinal end flap and the second, outer longitudinal end flap being folded upon the side end flaps and upon the first inner longitudinal end flap, there being provided a closure which is continuous over the packet width and joins adjacent end flaps to each other by welding on adhesion merely in that half of the packet end face which is nearest to the free edge of the outer longitudinal end flap. As shown a packet consists of front wall 10, rear wall 11 and side walls 12, 13. The latter is produced by overlapping and joining two sides flaps 14, 15. Side end flaps 18, 19 associated with two longitudinal end flaps 16, 17 function as hinges. Welding strip 22 may be activated by a light emitter.
Patent GB-1249210-A (GB)
Title: A method of forming electrostatic latent images
IPC: G03G15/05
Filed: 1969-05-29
Abstract: 1,249,210. Electro-photographic processes. KATSURAGAWA DENKI K.K. May 29, 1969 [Nov.5, 1968], No.27259/69. Heading G2H. A persistent internal polarzation process utilizes a photo-conductive layer 13 having an insulating layer 12 bonded thereto, and comprises charging at 15 with a first polarity, charging at 16 with a second polarity, imagewise exposing at 17, and charging at 18 with the second polarity. An electrostatic latent image is thus formed on the free surface of layer 12. The contrast of the image may be increased by uniformly illuminating at A. As shown, layer 13 is provided with an earthed backing electrode 14 on a metal or glass cylinder 11. Electrode 14 may be metal, paper, resin or Nesa glass. The latent image may be developed at 19 transferred at 20, and the drum cleared at 21.
Patent GB-953379-A (GB)
Title: Improvements in or relating to spinnerets
Inventor: SAUNDERS JAMES
IPC: D01D5/32
Filed: 1961-07-28
Abstract: 953,379. Composite filaments. BRITISH NYLON SPINNERS Ltd. July 2, 1962 [July 28, 1961], No. 27350/61. Heading B5B. Heterofilaments are made by extruding the components through respective orifices located on opposite sides of a spinneret having an upstanding flange, the orifices being angled so that the respective filaments meet and coalesce at a point near the outer face of the spinneret. The median lines of the orifices may intersect at a point such that a single orifice is formed at the spinneret face. The heterofilaments may be circular, elliptical or dog-bone shaped in cross-section depending upon the distance between the centres of the orifices at the spinneret face, and their cross-section. The components of the heterofilament may be of different polymers e.g. polyamides, polyesters or polyhydrocarbons, or may be of the same polymer but of different viscosities. One component may contain a pigment. By drawing the as spun filaments, a potential crimp is introduced, which is developed by subjecting filaments to a heat-relaxing process. Heterofilaments having more than two components may be made e.g. a quadrilobal structure, by forming more than one pair of orifices at suitable angles. In Fig. 1, a spinneret assembly comprises annular spinneret 1, centre-piece 2, case 3, and cover 4, in which is provided inlets 21 and 22 for polymer. Spinneret 1 comprises plate having upstanding flange associated or integral therewith, i.e. a T-shaped cross-section. Pairs of orifices 9, 9A are drilled at equal angles to the horizontal, and in a vertical plane. The median lines of the orifices intersect at a point just below the face of the plate. Annular spaces 14, bounded by screens 12, 13, 15, 16 are packed with filter material e.g. sand. Partition 17, comprising outwardly bowed flexible endless strips, divides the space above the spinneret into annular spaces 19 and 20 into which polymers are introduced. In a modification (Fig. 2) an annular V-shaped groove 101 is cut into the face of the spinneret plate.
Patent GB-627582-A (GB)
Title: Improvements in or relating to hydraulic remote control units
IPC: F15B7/08
Filed: 1946-09-12
Abstract: 627,582. Telemotors. SPERRY PRODUCTS, Inc. Sept. 12, 1946, No. 27405. Convention date, Oct. 4, 1945. [Class 69 (ii)] In a hydraulic remote-control system, the transmitter and receiver units each comprise a piston and cylinder and a constant velocity gear connection for applying a loading force to the piston from a rocker arm, such that equal increments of angular motion of the rocker arm cause equal increments of linear motion of the piston, and means to hold the piston in the required position. The transmitter unit T and receiver unit each comprise a casing 16, which forms a reservoir, and a cylinder 10 formed therein and containing a piston 11 integral with a rack 31 engaging a quadrant 30 on a rocker 14 pivoted on a shaft 17 passing through the casing 16 and provided with an external lever H. The other arm 18 of the rocker 14 is acted upon by a spring assembly 24 pivoted at 25. The pistons 11 are sealed by packings 43 in the cylinder wall and the cylinders are connected together by a pipe c. The piston and rocker arm of the receiver are assembled and operate reversely to those of the transmitter. The piston 11 may be withdrawn from the cylinder to replenish and equalize the system. Specifications 419,310 and 516,752 are referred to.
Patent GB-700158-A (GB)
Title: Jacketing compositions for electric cables
IPC: H01B7/29
Filed: 1952-10-31
Abstract: A composition for sheathing electric cables which retains its flexibility down to -45 DEG C., does not alter the electrical properties of the polyalkylene dielectric by migratory effects and may be processed without critical temperature limitations, comprises a substantially homogeneous mixture of the following in approximately the proportions by weight indicated:-  Copolymer of vinyl chloride and vinyl acetate 30-35 parts.  Copolymer of acrylonitrile and butadiene, 30-35 parts.  Polyester of propylene glycol and sebacic acid, 20-25 parts.  Basic silicate of white lead, 2 1/2 -5 parts. Dibasic lead phosphite, 2-4 parts.  Low molecular weight polybutene, 2-5 parts.  Small quantities of lubricant, pigment and anti-oxidant may also be present in the mixture.