baber/WOPTO huggingface dataset:
Patent GB-942294-A (GB)
Title: Aircraft landing gear
IPC: B64C29/00
Filed: 1961-06-08
Abstract: 942,294. Aircraft undercarriages. HILLER AIRCRAFT CORPORATION. June 8, 1961 [Aug. 26, 1960], No. 20704/61. Heading B7G. The undercarriage .of a VTOL aircraft comprises a rod extending longitudinally of the aircraft and secured thereto against rotation at a point spaced from an end of the rod, which end is mounted to accommodate torsional twisting of the rod and supports a depending strut on the lower end of which a landing surface engaging element is mounted. The Figures show a helicopter, on each side of which torsion rods 17, 18, are mounted by brackets 19, 23, 24. A pin 37 passes through both rods and bracket 19. Rods 17 and 18 may be a single rod. Struts 43, 44 extending downwardly and outwardly from the aircraft, are secured by pins 46, to sockets 41, 42 secured to rods 17, 18, respectively, and a skid 48 is secured to the struts. The shock of landing is taken up by torsional deformation of rods 17, 18. By removal of pins 46, struts carrying skis, wheels, or floats may be substituted for the skids. By removal of pin 37, the undercarriage can be stowed against the airframe. Rods 17 and 18 may be solid or hollow, and may differ in material or dimensions so as to have different torsional characteristics.
Patent GB-614286-A (GB)
Title: Improvements in and relating to strainers for tea and coffee pot spouts and the like
IPC: A47J31/14
Filed: 1946-07-11
Abstract: 614,286. Strainers for teapots. WALLER, W. M., and WALLER, P. H. July 11, 1946. No. 20707. [Class 129] [Also in Group I] A strainer for insertion in the spout of a tea or coffee pot is in the form of a cone 1 split and constructed with overlapping edges from the base to a position medially along the length of the cone. A hook 5 is provided for engaging the spout. Specification 498,004 is referred to.
Patent GB-516924-A (GB)
Title: Improvements in or relating to condenser and coil assembly
IPC: H01F17/04
Filed: 1938-07-13
Abstract: 516,924. Wireless receiving apparatus. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE. July 13, 1938, No. 20712. Convention date, July 13, 1937. [Class 40 (v)] [Also in Group XXXVI] An iron-cored coil L and a trimmer condenser B<1>, B<2> are mounted co-axially on opposite sides of a ceramic plate P, apertures in the condenser and plate P enabling the core E to be adjusted by a screwdriver from the same side as the condenser. The latter comprises two semi-circular coatings B<1> B<2> on the plate P and the rotatable ceramic plate A, on which a polygonal boss Z is provided for adjustment. Fig. 2 shows a combination tool for adjusting both the core and condenser, the spanner portion HJR engaging Z while a screwdriver KC engages slot S. The shaft M is provided with a graduated scale to determine the adjustment of core E. G is an iron screening case for the coil.
Patent GB-812766-A (GB)
Title: Improvements in or relating to twist measuring means
Inventor: STARK WILLIAM HARRY CHARLES
IPC: H02G1/08
Filed: 1956-07-04
Abstract: 812,766. Levels. SOUTHERN UNITED TELEPHONE CABLES Ltd. July 3, 1957 [July 4, 1956], No. 20772/56. Class 97(2) A twist indicator for insertion between the leading end of a cable to be pulled into a duct or pipe and the trailing end of a pulling rope comprises a tubular housing with attachment means at its ends and containing a gravity biased rotor capable of rotation relatively to the housing about a longitudinal axis and means for detecting and measuring the magnitude and direction of the rotation. As shown the housing 1 has ends 2 apertured at 3 and is in two parts connected by a screw thread 4. The mechanism is carried by a block 5 secured in the housing by a screw 6 and carrying a plate 7 on three circumferential pillars 8. The block and the plate carry pivots for a shaft 11 on which the eccentric rotor 13 is freely mounted. Secured to the rotor 13 is a pair of spring pawls 21 (one of which is shown) engaging respectively with the opposite handed ratchet wheels 14, 15 which are accordingly rotated by relative rotations of the rotor and housing. Spring detents, not shown, prevent idling rotating of the ratchet wheels. The wheel 14 is integral with a worm 17 engaging a worm wheel 18. The wheel 15 is atached to the shaft 11 to which is also attached the worm 16 engaging another .worm wheel 18. The worm wheels drive indicators visible through windows in the wall of the casing 1. Rotation of the rotor 13 within the casing may be prevented, when desired, by depressing a spring blade 23 into its path by means of a turn button 24 accessible from the outside of the casing.
Patent GB-888602-A (GB)
Title: Improvements in or relating to nuclear reactor moderator structures
Inventor: HACKNEY STANLEY
IPC: G21C5/04
Filed: 1957-07-01
Abstract: 888,602. Nuclear reactors. U N I T E D KINGDOM ATOMIC ENERGY AUTHORITY. July 1, 1958 [July 1, 1957], No. 20780/57. Class 39(4) A graphite moderator structure comprises interlocking layers of blocks of rectangular cross-section with coolant channels perpendicular to the layers. The blocks are alternately of large (11) and small (12) cross-section and are spaced apart at the sides. The larger blocks have grooves along the edges to locate with large blocks in adjacent rows. In a diagonal line drawn through a series of such interlocking blocks in a layer the direction of minimum Wigner growth is in the plane of a layer and, in alternate blocks, along or perpendicular to the line; in the smaller blocks the direction is parallel to the coolant channels. The layers are staggered so that forces holding them together can be applied through the surfaces 21 of the smaller blocks. The blocks have circular spigots 23 for interlocking. The structure can be a vertical cylinder with radial and end restraints.
Patent GB-783502-A (GB)
Title: Improvements in or relating to underwater protective housings for photographic roll film cameras
IPC: G03B17/08
Filed: 1954-06-03
Abstract: 783,502. Photographic cameras. HEIDECKE, R., and FRANKE H., [trading as FRANKE & HEIDECKE FABRIK PHOTOGR PRAZISIONS-APPARATE.]. June 3, 1954 [July 1, 1953, July 2, 1953], No. 20858/56. Divided out of 783,498. Class 98(1) A water-tight housing for a photographic roll film camera comprises a body and a cover, the latter carrying a pivoted stirrup having an eccentrically pivoted handle which engages a recess under the body and is rotated to lock the stirrup under the body. As shown, the cover 10 has a U-shaped stirrup 21 pivoted at 80, the latter having a handle 22 eccentrically mounted at 82 so that when the stirrup is swung round the body the handle 22 comes opposite a recess 84. By turning a lever 23 into the position shown, the large part of the eccentric handle is forced into the recess and the stirrup is locked. The lever 23 may be locked by a slide 87 which is moved along grooves 86 over the lever and is locked by a handle 88. Specification 783,501 is referred to.
Patent GB-863616-A (GB)
Title: Process and apparatus for casting slabs from plaster or other hardenable plastic material
IPC: B28B5/02
Filed: 1957-07-02
Abstract: 863,616. Moulding plaster &c. slabs. KAUFFMANN, E. I. July 2, 1957 [July 21, 1956], No. 20909/57. Class 87(2). In the casting in a flexible mould 4 of a slab 12, Fig. 1, of plaster or other hardenable plastic material, a non-flexible plate-like insert 15 is first placed in the mould to cover the bottom of the mould at least partly, and after casting is removed from the mould together with the slab produced, and subsequently separated from the slab. If deep recesses are required in the lower surface of the slab the insert may comprise a layer of rigid material covered by a layer of rubber or like material contoured for forming the required recesses. Slabs may be continuously moulded in apparatus comprising an endless conveyer 3, Fig. 2, composed of flexible moulds 4 or of a rubber or synthetic resin belt having mould frames secured thereto. A plate like insert of glass, synthetic resin, metal, or other rigid material is laid in each mould as it approaches a hopper 5 supplying plastic material. On leaving the hopper 5 each mould passes over a vibrating device 6 which compacts the moulding material, and the latter is levelled by a doctor blade 16 and allowed to set as the mould passes over a rigid plate 7. At the guide roller 2 the conveyer moves downwardly so that the moulds disengage from the cast slabs which, supported by the insert plates 10, Fig. 3, pass to a conveyer belt 9 from which the slabs may be removed and the elements 10 detached manually therefrom. The inserts 10 may be heated before being laid in the moulds in order to facilitate setting of the moulding material.
Patent GB-1010044-A (GB)
Title: A process for the production of l-glutamic acid
IPC: C12P13/14
Filed: 1964-05-21
Abstract: L-Glutamic acid is prepared by contacting an aqueous solution of hydantoin-propionic acid or an alkali metal salt, alkaline earth metal salt, organic base salt, ester or amide thereof at a pH of 6 to 11 with an enzyme of microbial origin which is capable of hydrolysing hydantoin-propionic acid to L-glutamic acid. Specified enzyme sources are those derived from Bacillus brevis ATCC. 8185, Pseudomonas dacunhae IAM. 1199, Pseudomonas incognita IPR. AHH. 38, Pseudomanas sp. ATCC. 15447, Micrococcus subflavus IFO. 3062, Aerobacter cloaceae, Aerobacter aerogenes, Achromobactor pestifer ATCC. 15445, Achromobactor cycloclastus ATCC. 15446 and Escherichia intermedia IPR. S-51.
Patent GB-1069900-A (GB)
Title: Apparatus for controlling fluid flow through filtering screens
IPC: B01D35/12
Filed: 1965-05-18
Abstract: 1,069,900. Filtering liquids. E. I. DU PONT DE NEMOURS & CO. May 18, 1965 [May 19, 1964], No. 21061/65. Heading B1D. [Also in Divisions B5 and F2] A molten thermoplastic material is delivered from an extruder to inlet passage 17 in adapter body 10 and is filtered by passage through either one or both of filtering screen packs 23, 24 before being delivered to outlet passage 20, which may communicate with an extruder die, the delivery of the liquid both to and from the screen packs being controlled by the setting of a single valve 15, 16 which is interposed within and between the adapter member 10 and the housing 14 containing the screen packs. The valve member (Figs. 4-8 not shown) comprises a cylindrical rotatable stem 16 having passages which co-operate with ports at three levels. The upper and lower levels respectively connect outlet 20 and inlet 17 to both or either one of the outlet and inlet sides of screen packs 23, 24, (positions 4, 5, 3, in Figs. 6, 8, not shown). In two further positions of the valve stem (positions 2, 6 in Figs. 6-8 not shown) while forward filtering flow is through one screen pack only, part of the effluent liquid is delivered in reverse flow through the other screen pack and is then delivered by an axially extending groove (49) in the valve stem 16 through an outlet passage 22, 21 leading to the open atmosphere, whereby accumulated contaminants are removed from the screen pack. In a final position of the valve stem (position 1 in Figs. 6-8) incoming liquid passes directly from the inlet 17 to outlet passage 22, 21, and there is no filtration. Screen packs 23, 24 are each mounted between a pair of perforated supporting plates 27, 28, the respective packs and their supporting plates being connected to removeable end plates 25, 26. An additional valve may be supplied in the drain passage 22, 21 in order to limit the fluid flow when a screen pack is being backwashed. The valve is turned by a handle operating through a gear train (Figs. 2, 3 not shown).
Patent GB-1040675-A (GB)
Title: Improvements in or relating to a pressure-reducing regulator for gas
IPC: G05D16/06
Filed: 1965-05-18
Abstract: 1,040,675. Valves. SOC. L'AIR LIQUIDE, S.A. POUR L'ETUDE ET L'EXPLOITATION DE PROCEDES GEORGES CLAUDE. May 18, 1965 [May 19, 1964], No. 21104/65. Heading F2V. [Also in Division G3] Flow of fluid from an inlet 3, Fig. 1, to an outlet 4 via a space between inner and outer spherical members 5, 2 is controlled by a valve 23<SP>1</SP> carried by a tube 20 which is connected to a diaphragm 7; the valve 23<SP>1</SP> is closed by a spring 25. Upon admitting a controlling pressure into the right-hand side of the inner member 5 the diaphragm 7 is urged leftwards to open the valve 23<SP>1</SP>; the resulting outlet pressure is transmitted by a probe 29 and the tube 20 to the left-hand side of the diaphragm whereby the valve 23<SP>1</SP> is moved to a position wherein all the forces on the diaphragm are balanced. A safety valve 33 co-operates with the inlet 3, which valve is provided with a needle pilot valve 43 carried by a bellows 47, the interior of the latter being open to the controlling pressure whilst the exterior is acted upon by the outlet pressure in the tube 20. Should the outlet pressure exceed the value of the controlling pressure the pilot valve 43 is unseated from the valve 33 and inlet pressure acts on an annular piston 38 to close the safety valve 33; the last-named is reset by exhausting fluid from the piston 38 via a tube 55 and a manuallyactuated cock. Another separate valve 91 (Fig. 4, not shown) with differential pistons 96, 97 is provided to cause valve 33 to seat in the event of the outlet pressure falling below a given value. The controlling pressure is derived from a port 74 (Fig. 3, not shown) supplied by a slide valve 80 with tapered ends 81, 82 and controlling the connection of a port 83, open to the inlet port 3, Fig. 1, to either an atmospheric port 84 or a passage 79 leading to a chamber 71 in which is port 74. The valve is adjustably loaded by a spring 85 in opposition to weights 77 on a piston 75 fixed to the valve 80; a damping piston 78 is associated with the weights 77. With chamber 71 unpressurized the valve 80 is urged to its lowest position; pressure fluid introduced at port 83 acts on the piston 75 to elevate it to a position where the tapered part 81 has modified the inlet pressure sufficiently for the valve to assume a balanced position, which pressure is transmitted to port 74. Any variation in the controlling pressure caused by the valve of Fig. 1, if reflected in the pressure in chamber 71 and causes operation of the valve 80 to restore the required controlling pressure. A diaphragm-type pressure-regulator and an electrically-actuated valve are inserted between the main inlet and the supply to the various auxiliary valves; the electrically-actuated valve may be operated by a speed transmitter actuated by a metering and transducing device downstream of the valve 23<SP>1</SP>.
Patent GB-1145856-A (GB)
Title: Laminated sheet
Inventor: BAGULEY MAURICE EDWARD
IPC: C08F283/04
Filed: 1965-05-19
Abstract: 1,145,856. Block copolymers and compositions. COURTAULDS Ltd. 18 May, 1966 [19 May, 1965], No. 21162/65. Heading C3R. [Also in Division B2] A block copolymer comprises segments of a polymeric substance having a melting point of less than 80 C., and copolyamide segments, the latter segments comprising at least two kinds of which each kind is made up of the same pair of monomer units and differs from the other kind or kinds in the relative proportions of those monomer units, with at least one of those kinds having 10% by weight more of one monomer unit than another of those kinds. Specified polyamide forming monomers are hexamethylene sebacamide, hexamethylene adipamide and caproamide. In the example, a block copolymer solution is made from two different copolymers of hexamethylene adipamide, caproamide, an isocyanate-ended polytetramethylene ether, methanol and water, the resultant solution being blended with an elastomeric latex of ethyl polyacrylate.
Patent GB-1518153-A (GB)
Title: Multiple glow-discharge-type electron gun apparatus
IPC: H05H7/08
Filed: 1975-05-19
Abstract: 1518153 Electron beam apparatus PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 19 May 1975 [27 May 1974] 21176/75 Heading H1D Electron beam apparatus comprises an envelope and two glow discharge type electron guns wherein electrons are emitted due to positive ion bombardment of the cathode; the guns having identical, spaced electrodes but the spaces have different volumes. The use of different guns permits large variations of current depending on D, to be obtained when the same potential is applied to each gun. Small current variations can be compensated for by adjusting the gas flow through valves 4 and hence the pressure about each gun. The cathode may be hollow or rotating. Several operations may be carried out simultaneously with this apparatus on several components.
Patent GB-479351-A (GB)
Title: Improvements in or relating to hedge and the like cutting machines
IPC: A01G3/04
Filed: 1936-07-31
Abstract: 479,351. Hedge-cutting machines; mowing-machines. BAKER, J. R. J. July 31, 1936, No. 21268. [Classes 6 (ii) and 6 (iii)] A hedge-trimming machine which may be used for cutting grass &c., comprises a frame mounted upon a single pair of wheels, a transverse arm fixed on the frame at a positior horizontally offset from the wheel axis, a reciprocating cutter at the outer end of the transverse arm, and a handle fixed to the frame for guiding the wheels with respect to the ground and the cutter vertically with respect to the hedge-top. The frame 11 is substantially horizontal when the machine is in use. The transverse arm 15 is tubular and is pivotally connected to a U- shaped piece 17 on the frame so as to turn about a longitudinal axis with respect to the frame. It is locked in position by a clamp 18 on a substantially vertical rod 19 supported by a stay 20. The cutting apparatus comprises a bar 21 carrying teeth 22 and a slidable bar carrying teeth 23 and reciprocated by a pitman 24 and crank 25. Rigid with the bar 21 is a disc 26 provided with a ring of perforations in one or other of which engages a spring-controlled bolt 28 to hold the bar 21 in a vertical, horizontal or inclined position. The cutter is driven from an engine 14 removably mounted on the rear of the frame 11, a belt 32 driving a shaft 33 universally jointed to a shaft 35 passing through the tubular bar 15 and con. nected by bevel gearing to the shaft 38 carrying the crank 25. The wheel axle 13 may be driven from the shaft 33 by a step-down gearing 39, a chain 40 and a dog clutch 42. A second dog clutch may be provided between the axle 13 and one of the wheels 12. Linkage and cable connections 44 connect the clutch to separate manual controls. The arm 15 may be removable or may be arranged to be swung from one side of the machine to the other. The gearing for driving the wheels may be changed or eliminated.
Patent GB-213532-A (GB)
Abstract: 213,532. Soc. des Savonneries des ValliÞres et Prairia RÚunies. March 31, 1923, [Convention date]. Stream-cutting machines; punching-machines. -A machine for cutting approximately shaped tablets from a bar comprises a hollow plunger G carried by a rod E reciprocated by a crank B and co-operating with a shaped die K mounted in a member I. The bar of soap is placed upon inclined rollers L and positioned by a stop M. Upon advance of the plunger G a cake of soap is severed and delivered in front of the member I. Grippers on the plunger remove scraps which falls into a box. The plunger G and die K are interchangeable. The machine may be duplicated about the crank B.
Patent GB-908645-A (GB)
Title: Improvements relating to ovens containing rotary spits
Inventor: RAMSAY JAMES
IPC: C02F1/48
Filed: 1960-06-17
Abstract: 908,645. Rotary spits. GAS COUNCIL. June 16, 1961 [June 17, 1960], No. 21375/60. Class 28 (1). The ends of spit rods 15 in a rotary spit oven 1 are detachably mounted by ball joints 16 and couplings 17, preferably of the type described in Specification 908,646, on discs 10, 11 at either end of a power driven shaft 12 and each spit rod, whilst moving around a circular path in the oven, is intermittently rotated about its own axis by means of a wheel on a stub shaft 21 coupled to the spit rod having projecting fingers 26 (Fig. 3) which engage in turn with a fixed pin 29 projecting from the oven wall 2, the spit rod being held after the 90 degrees turn in one of four angular positions by engagement of the flat portion 28 of a leaf spring 27 fixed to the disc 10 with one of four faces of a square part 25 of the wheel hub 24. The spit rods 15 have sliding forks 18, 19 and the oven includes a thermostat 9 controlling a bottom back gas burner 4 in its cooler bottom zone and has a gas outlet (not shown) in its front upper and hotter zone.
Patent GB-1472942-A (GB)
Title: Emergency alarm systems
IPC: G08B29/04
Filed: 1974-03-19
Abstract: 1472942 Alarm systems GENERAL TIME CORP 19 March 1974 [19 March 1973] 21426/75 Divided out of 1472941 Heading G4N The subject matter of this Specification is identical with that described in the parent Specification 1,472,941, but the claims are concerned with an alarm system including a detector 11 arranged to provide first and second non- zero detector signals respectively indicative of the absence and presence of an alarm condition, an arrangement 13 for generating periodic signal bursts in response to the first detector signal and arranged to vary the periodicity of the signal bursts in a range extending between continuous signals and the entire absence of signals in response to the second detector signal, and an arrangement 21 arranged to produce an alarm at 31 or 35 if the signal periodicity varies in a predetermined manner.
Patent GB-981311-A (GB)
Title: Process for the catalytic conversion of hydrocarbons
Inventor: OELDERIK JAN MARINUS
IPC: C07C5/27
Filed: 1962-06-04
Abstract: The acid-catalysed conversion of hydrocarbons, e.g isomerization, alkylation, disproportionation or polymerization, is effected in the presence, as catalyst, of hexafluoroantimonic acid (HSbF6) or a hydrocarbon derivative thereof (RSbF6) which catalyst may optionally contain, per volume, not more than 6 volumes of a diluent.  The catalyst is prepared from antimony pentafluoride or pentachloride and hydrogen fluoride, if the chloride is used the product should contain at least 38% by weight fluorine, and hydrocarbon derivatives may be prepared by reaction of the acid and hydrocarbon.  Preferably a naphthene such as methylcyclopentane, in situ if desired. Preferred diluent which should be free from water, is hydrogen fluoride, fluorohydrocarbons may also be used.  Reactions are preferably effected at below 100 DEG  C. and is low as -20 DEG  C. with the catalyst in the liquid phase, using batch or continuous operation with mixing the hydrocarbons being the continuous or dispersed phase. In continuous operations one or more reactors are used with cocurrent, countercurrent or cross-current flow, and with a temperature gradient if desired.  The reactors should be made of or lined with materials not corroded by hydrogen fluoride. Isomerization reactions referred to are of paraffins, e.g. normal paraffins to iso-paraffins and light naphthas or straight run tops to high octane fuel blending components of naphthenes, e.g. methylcyclopentane to cyclohexane and of ethylcyclohexane to a product which on dehydrogenation contains a high proportion of m- and p-xylenes, and of polyalkyl aromatic hydrocarbons, particularly xylenes.  In the isomerization of paraffins, unsaturated compounds, sulphur, benzene and water are preferably removed, e.g. with spent catalyst, and isobutane is preferably added in an amount of 5-25% by weight of hydrocarbon feed. Hydrogen, e.g. 1-3% mol. may be added to reduce disproportionation provided reduction of the catalyst does not occur.  The disproportionation of toluene to benzene and xylenes may be effected.  The alkylation of paraffins with olefins, e.g. of isobutane with ethylene can be effected at below 0 DEG  C. thereby reducing isomerization of the product.