baber/WOPTO huggingface dataset:
Patent GB-1224232-A (GB)
Title: Mechanism for effecting relative movement between the mechanism and a member
Inventor: WATKINS CECIL JAMES
IPC: E06B3/48
Filed: 1968-05-02
Abstract: 1,224,232. Operating mechanism for heavy doors. C. J. WATKINS. 29 April, 1969 [2 May, 1968; 18 Sept., 1968], Nos. 20873/68 and 44244/68. Heading E2M. [Also in Division F2] , A stationary door operating mechanism comprises two rotatable members for engagement with two oppositely facing reaction surfaces on the door and, for each rotatable member, a transmission system, a mounting arrangement allowing movement towards and away from the reaction surfaces and biassing means urging it towards the reaction surface. The rotatable member may be a rubber-tyred metal roller, the reaction surface being smooth, or may be a gear, the reaction surface being a rack. As shown, a door operating mechanism (8) comprises a pair of rollers 20 for engagement with the top and bottom surfaces of a flange (7) on the door. Each roller 20 is mounted on a shaft 22 having at one end a radial bar 26 carrying a drive pin 27 for engagement with an annular recess 28 in the face of the roller 20 and having a stop portion 29, pin 27 being centred diametrically opposite the stop 29 by means of springs (not shown). The shaft 22, in a housing 24 is connected at its other end through a pinion and yarn to a shaft 30 having a pinion 31 meshing with a drive pinion 32 connected to the output shaft 33 of a torque limiter (34) whose input shaft is connected to a reversible electric motor (35). The housings 24 are pivoted on a common pivot pin (41) coaxial with shaft 33 and have between them on brackets 42, and urging them apart, a spring unit 44 which may be a mechanical, hydraulic, pneumatic, or rubber spring. Mounted on the upper bracket 42 is a microswitch (47, Fig. 6, not shown) cooperating with a bar (49) mounted on a rod (50) secured to the lower lug 43 so that movement apart of the brackets 42 causes the switch to close and, through a relay, the motor to stop. A rod 52 is secured to the upper lug 43 and extends through the lower lug 43 to engage a square dog member (54) by means of which the rollers 20 may be permanently drawn apart. In a modification (Figs. 9 and 10, not shown) the flange (7), spring unit 44, microswitch 47, and rod arrangement 52 are dispensed with, the rollers 20 are urged apart to engage the walls of a channel member (60) on the door and a suitable tensioning unit (61) and adjusting device (62) with disengaging means, are provided. A series of mechanisms (8) may be provided at less than one door's width spacing to guide one or more door's between their open and closed positions.
Patent GB-1030259-A (GB)
Title: Improvements in the production of n-acetyl-l-cysteine
Inventor: ISHII SATORU
Filed: 1964-10-29
Abstract: N-acetyl-L-cysteine, is made by acetylating L-cystine in the presence of barium hydrate solution with ketene or acetic anhydride, to form N.N1 diacetyl-L-cysteine which is treated with sulphuric acid to remove barium as a precipitate of barium sulphate, and is then electrolytically reduced to N-acetyl-L-cysteine.  Preferably a diaphragm cell is used with sulphuric acid as anolyte and the acid solution of the acetylated cysteine as catholyte.  A carbon anode, and a cathode of tin, lead, mercury, or nickel which may be coated with platinum. Power at 12V, 5 Amps is applied, and the product solution is neutralised, concentrated and crystallized.ALSO:N: N1 - diacetyl-L-cystine is made by acetylating L-cystine in the presence of barium hydrate solution with ketene or acetic an-hydride.
Patent GB-444821-A (GB)
Abstract: 444,821. Motor units. BENDIX AVIATION CORPORATION, 105, West Adams Street, Chicago, U.S.A. Sept. 27, 1934, No. 27733. Convention date, Oct. 31, 1933. [Class 122 (iii)] [See also Groups XXVII and XXXV] In a transportable power unit applicable for energizing inertia starters for aeroplane engines, an electric or other motor energized from a source external to the unit is adapted to rotate a driven shaft through a yieldable connection the torque-transmitting capacity of which is increased when the load is applied to the driven shaft. As shown, the device comprises an electric motor 16 rotatable in a housing 5 mounted on a switch housing 6 provided with a handle 7. The motor is connected through a reversing-switch 23 and a snap switch 22, controlled from a trigger 24, to a flexible cable 27 carrying a plug for connection to a mains, current supply. Mounted on the motor housing 5 by means of members 11-13 is a gear housing 8-10, and a shaft 49 supported by the housing-member 10 has a pin 60 for engagement with a slot in a sleeve 62 provided with a pin 63 engageable with an inclined slot in the member 61 to be driven, which may be the shaft of an inertia starter. The shaft 49 is driven from the motor 16 through a hollow shaft 33, bevel gearing 37, 38, and planetary gearing comprising planet wheels 41 meshing with a sun gear 40 integral with the bevel wheel 38, and with an internal gear 42 fixed to the housing. The carrier 44 for the planet wheels is mounted on a supporting shaft 39 and is connected through a multiple-plate clutch 47 to a nut 48 engaging threads on the shaft 49. The clutch plates are under the pressure of a spring 51 interposed between a ball bearing 52 and an adjusting nut 53 threaded on a sleeve 54 on the shaft 49. In using the device to rotate a starter flywheel, as the load is taken up, the shaft 49 is threaded to the left through the nut 48, the collar 53 compressing the spring 51 and increasing the pressure on the clutch 47 to a maximum reached when the sleeve 54 is in contact with the end of the nut 48. When sufficient energy has been stored in the flywheel, the trigger 24 is released and the switch 22 opened by its spring, and the cam slot of the shaft 61 automatically moves the pin 63 out of engagement. Specification 369,563 is referred to.
Patent GB-1240898-A (GB)
Title: Improvements in or relating to analytical balances
Inventor: CHAPPELL FRANK ARTHUR
IPC: G01G23/32
Filed: 1968-09-19
Abstract: 1,240,898. Weighing apparatus. L. OERTLING Ltd. Sept. 10, 1969 [Sept, 19, 1968], No. 44565/68. Heading G1W. A beam balance comprising a pivoted beam 1 supporting at one end a counterbalance weight 14 and a scale 13 for projection on to a screen and at the other end a scale pan 11 and a carrier 8 for removable weights 9, is provided with a spring 22 which is so arranged as to oppose the action of the counterbalance weight 14 only when the beam is not substantially in its balanced position. As shown, the spring is in the form of a leaf-spring fixed at one end to the balance frame and connected at its other end by way of a chain 23 to a pivoted lever 24 operated on by a manually adjustable cam 26. When weighing out material, the cam 26 is adjusted to its "weighing out" position which allows the spring 22 to act on the beam 1 through a knife edge 27 when the beam is out of balance, the other positions of the cam 26 being such as to restrain the spring 22 from influencing the beam 1. Weights 9 corresponding to the weight of material required are removed from the carrier 8 and material is delivered to the pan 11. The scale 13 which is projected to a window (19) Fig. 2 (not shown), on the screen is provided with an oblique marking 29 which co-operates with a scale (28) on the screen in such a way that as the balance position of the beam is approached due to continued feed of material on to the pan 11 such approach is indicated on the scale (28). When balance is achieved further feed is terminated and the spring 22 just loses contact with the beam 1 whereby a fine weighing result can be read from the screen. The cam 26 maybe connected to an arresting mechanism, the beam may be provided with a piston 15 for co-operation with a cylinder of a damping device, the beam 1 may be limited in its movement by an adjustable stop 16 and the screen may be provided with windows (17, 18) in which appear numbers controlled by a lifting mechanism for the weights 9 and with windows (21) for indicating sub-divisions of the scale 13.
Patent GB-1143160-A (GB)
Title: Magnetic recording systems
IPC: G11B23/00
Filed: 1967-10-02
Abstract: 1,143,160. Magnetic recording systems. INTERNATIONAL BUSINESS MACHINES CORP. 2 Oct., 1967 [6 Oct., 1966], No.44717/67. Heading G5R. To prevent cross-talk between a recording head and a playback head operating concurrently, e.g. during a read-after-write check, a magnetic field is produced in response to energization of the recording head so as to reduce the field produced by the recording head in the region of the playback head. A laminated screen 14, disposed parallel to, or as shown, between sections 12a, 12b of a brass housing 12 for laminated recording 16 and playback heads 20, has a winding 42 connected through a network 50 to the common (ground) side 44 of the windings of all the recording heads 16. The signal developed across resistor 48, when one or more of the recording heads are operating, is shaped by the network 50, which may consist of one or a parallel arrangement of R-L circuits, and fed to the windings 42 to generate a neutralising magnetic field in the screen 14. A copper or silver screen 34 may be plated on the surface of the head assembly to further reduce cross-talk, particularly at high frequencies.
Patent GB-1115877-A (GB)
Title: Improvements in plants for treating foul waters
IPC: C02F3/12
Filed: 1966-10-07
Abstract: In sewage treatment process in which the aeration chamber surrounds the settling basin both are constructed from prefabricated modular parts.  The settling basin is a truncated cone with aerating nozzles close to the bottom of the aerating basin which causes water in the basin to execute transverse vortical motions.
Patent GB-963602-A (GB)
Title: Treatment of leather
IPC: C14C11/00
Filed: 1961-12-14
Abstract: The resistance to abrasion and scuffing of leather is improved by impregnating the leather on the grain side with an aqueous solution containing a water-soluble ammonium or volatile-amine salt of a water-insoluble additioncopolymer consisting of units corresponding to neutral monoethylenically unsaturated monomer molecules and about 5-35% by weight of units corresponding to monoethylenically unsaturated carboxylic acid monomer molecules and drying or heating the leather to volatilize ammonia or volatile amine and leave the copolymer in the corium minor in substantially the acid form. Specification 799,061 is referred to.ALSO:The resistance to abrasion and scuffing of leather is improved by impregnating the leather on the grain side with an aqueous solution containing a water-soluble ammonium or volatileamine salt as a water-insoluble additioncopolymer consisting of units corresponding to neutral monoethylenically unsaturated monomer molecules and about 5-35% by weight of units corresponding to monoethylenically unsaturated carboxylic acid monomer molecules and drying or heating the leather to volatilize ammonia or volatile amine and leave the copolymer in the corium minor in substantially the acid form.  The leather may be subsequently coated with a nitro cellulose lacquer or an aqueous dispersion of an acrylic or vinyl polymer.  Specification 799,061 is referred to.
Patent GB-1021985-A (GB)
Title: Friction coupling
Inventor: BATES HAROLD EARL
IPC: F16D27/105
Filed: 1964-11-04
Abstract: 1,021,985. Friction clutches; electromagnetic band brakes. WARNER ELECTRIC BRAKE & CLUTCH CO. Nov. 4, 1964, No. 44953/64. Headings F2C and F2E. A clutch or brake comprises a freely floating split friction band 20, or ring of segments, radially pressed outwardly or, as shown, inwardly into engagement with opposed radially converging friction surfaces 17, 18 of spaced, relatively rotatable driving and driven members 11, 12, by a helical resilient coil 25, one end 30 of which is anchored on the driving member 11 and the other end turn 27 of which is free and electromagnetically engaged with and disengaged from a shaped flange 19 of the driven member 12, engagement of this electromagnetic pilot clutch initially expanding or, as shown, contracting the adjacent end turns 33 to clutch the peripheral surface 34 of the driving flange 19, forming an auxiliary clutch, to augment the torque applied to the coil 25 which is thereby further wound up, contracting the band 20 to clutch, or brake, the driving and driven members. The coil end turn 27 serving as the armature of the magnetic pilot clutch is attracted both radially and axially into engagement, on energization of a stationary winding 44, with the peripheral pole surface 34, and a side pole face 39 of a ring 38 integrally formed on the driven member flange 19, the pole surfaces 34, 39 being separated by an annular restriction 40 of high magnetic reluctance to form a flux path 42. The coil end turns 27, 33 are of slightly smaller diameter than the remaining turns of the coil and are telescoped closely around the surface 34 to form the auxiliary clutch readily engaged and disengaged by the magnetic pilot clutch.
Patent GB-993728-A (GB)
Title: Improvements in or relating to arrangements for converting mechanical oscillations to electrical signals
IPC: H04R21/02
Filed: 1963-11-14
Abstract: 993,728. Transducers. SIEMENS & HALSKE A.G. Nov. 14, 1963 [Nov. 15, 1962], No. 44967/63. Heading H4J. [Also in Division H1] A piezo-resistive microphone or other device for converting mechanical oscillations into electrical signals includes an elongate body 3 of semi-conductor material arranged to have longitudinal stresses produced therein by the mechanical oscillations, and means for applying a direct current through the body 3. An acoustic diaphragm 1 is attached to the body 3 and to a casing 2, and an adjustable connection between the casing 2 and the body 3 is made by a setscrew 10. At the ends of the body are provided non-blocking contacts 4, 5, which, together with leads 6, 7 and terminals 8, 9, permit application of direct current and picking up of an alternating signal. Body 3 tapers from 0À5 mm. at its ends to less than 20 Ám. at the middle. Where the body 3 is of nconductive silicon monocrystal, the longitudinal axis of the body lies in the 100 direction of the crystal, whereas where the body is of p-conductive silicon monocrystal or n-conductive germanium monocrystal it lies in the 111 direction. The stiffness of body 3 is matched to the stiffness of the diaphragm 1 and the resistance of body 3 is matched to a succeeding amplifier stage. A smooth surface is produced on body 3 by chemically or electrolytically etching it.
Patent GB-1453493-A (GB)
Title: Stored programme controlled telecommunications exchange
IPC: H04Q3/545
Filed: 1974-10-17
Abstract: 1453493 Automatic exchange systems INTERNATIONAL STANDARD ELECTRIC CORP 17 Oct 1974 [23 Oct 1973] 44991/74 Heading H4K In an SPC exchange, the various stable states in which a call may be, are each represented by a decision table called a skeleton which contains the equipments needed for that state and relevant programming instructions. The latter are required to control the equipment involved, e.g. marker instructions, and to interpret changes in input conditions (usually derived by auxiliary scan programmes) so as to decide the next appropriate state. Each call tone is provided with a variable length data block in memory, for storing items such as current decision table number and identities of all equipments serving that call. The tables are each stored on separate readily changeable cards. Fig. 4b depicts the main stable states (circles) encountered during the initial setting up of a local call. For example in state 310, dialled impulses are being received and no change from this state can occur until either, sufficient digits to define a wanted party have been received or, the calling line returns on-hook. In the latter case, an idle state 315 is entered, while in the former case, a variety of states are possible depending upon whether the wanted party is free (ring-called line state 325) or is busy (busy tone to caller state 330), or if there is a blockage in the switching network or an invalid number has been dialled (equipment busy tone to caller state 320). Fig. 4C depicts the same sequence in a more pictorial manner where the blocks represent a switching network with a calling line L1 being scanned for dialling and then being disconnected or connected via the network to various tone junctors under the various conditions mentioned above. Finally Fig. 4a represents the state diagram for the sequence. Each block here is directly realizable as a software table. For example block D is the dialling state table in which a first section I contains the programme instruction to use a fast scan upon the calling line, section II indicates that there is no switching network connection or equipment involved (this is obviously system dependent), section III contains the decisions in the next states, which will be reached in accordance with the occurrence of different events i.e. if L1 disconnects return to the idle state I, while section IV relates to decisions arrived at after consultation with other tables, e.g. a class of service table for determining if the called party is barred incoming calls, in which case entry to the E state of equipment busy tone is necessary. All tables have the same basic structure and a common algorithm for implementing them is utilized.
Patent GB-1095183-A (GB)
Title: Process for the removal, wholly or in part, of straight chain hydrocarbons from hydrocarbon mixtures
Inventor: LAING BERNARD MAURICE
IPC: C10G73/02
Filed: 1963-11-14
Abstract: A straight - chain hydrocarbon - consuming micro-organism, for example a yeast or a bacterium, is cultivated in the presence of a hydrocarbon feedstock containing straight-chain and other hydrocarbons, and in the presence of an aqueous nutrient medium and a gas containing free oxygen, wherein the amount of an essential component of the nutrient medium and/or oxygen which is provided is such that only a desired amount of straight-chain hydrocarbon is consumed.  The process may either be batch or continuous.ALSO:A straight chain hydrocarbon-consuming micro-organism, for example a yeast or a bacterium, is cultivated in the presence of a hydrocarbon feedstock containing straight-chain and other hydrocarbons, and in the presence of an aqueous nutrient medium and a gas containing free oxygen, wherein the amount of an essential component of the nutrient medium and/or oxygen which is provided is such that only a desired amount of the straight-chain hydrocarbon is consumed.  The process may be either batch or continuous.
Patent GB-1207183-A (GB)
Title: Process for the manufacture of highly elastic, tear-resistant and low temperature resistant polyurethane foams of relatively high density
IPC: C08G18/76
Filed: 1967-10-04
Abstract: 1,207,183. Polyurethane foams. ELASTOMER A.G. 4 Oct., 1967 [6 Dec., 1966], No. 45230/67. Headings C3C and C3R. Cellular polyurethanes are prepared by reacting a substantially linear hydroxylpolycaprolactone of M.W. at least 1750 with a stoichiometric excess of diphenylmethane-4,4<SP>1</SP>-diisocyanate or naphthylene- 1 ,5-diisocyanate, and thereafter cross-linking the adduct with water or with a combination of water and a glycol or a triol having a M.W. below 500. A hexane triol is preferably used as the triol in the crosslinking agent combination.
Patent GB-927888-A (GB)
Title: Filter cartridge for separator
IPC: B01D17/02
Filed: 1961-12-18
Abstract: 927,888. Filters. J. MULLER. Dec. 18, 1961 [Dec. 20, 1960], No. 45245/61. Class 46. [Also in Group XX] A filter cartridge for separating, e.g. water from aircraft fuel oil consists of a hydrophobic column 2 preferably of rings of silicone-treated impregnated paper through which the liquids are passed to effect separation and concentration of the water into droplets, and a hydrophilic column 14, preferably of rings of paper through which the fuel oil subsequently passes. Any water which passes into the hydrophilic column 14 causes it to swell until a stage is reached when all flow through it is stopped. Constant spring pressure (3) is exerted on the column 2 and adjustable spring pressure (21, 22) is exerted on column 14. 13 is a water drain which may be connected to a common outlet where several cartridges are in parallel in a single casing. A heater 25 serves to dry out column 14 when necessary.
Patent GB-1444341-A (GB)
Title: Manufacture of nitric esters
IPC: C07C201/02
Filed: 1961-12-19
Abstract: 1444341 Nitrating alcohols DEFENCE SECRETARY OF STATE FOR 19 March 1963 [19 Dec 1961] 45545/61 Heading C2C A nitric ester is manufactured by reacting together an alcohol and a nitrating acid in the presence of an inert highly halogenated hydrocarbon containing fluorine which is a solvent for the nitric ester product and has a boiling point below that of the product; a sufficient quantity of the solvent is present to ensure that the reaction temperature is below the boiling point of the solvent and to ensure a safe degree of dilution of the product. Suitable fluoro-compounds perfluorocyclopentane, trichlorofluoromethane, dichlorofluoromethane, 1,2-dichlorotetrafluoroethane, and trichlorotrifluoroethane, alone or mixed with one another. Examples describe (1) the nitration of triethylene glycol to form triethylene glycol dinitrate and (2) the nitration of diethylene glycol to form diethylene glycol dinitrate. Reference is also made to the manufacture of nitroglycerin and the nitration of isopropyl alcohol, trimethylene glycol, and pentaerythritol. Apparatus for carrying out the process continuously is shown diagrammatically. The reactants dispersed in the solvent are fed separately at controlled rates to a reaction tube; the heat of reaction evaporates part of the solvent which is separated in a cyclone-shaped vessel and condensed.
Patent GB-1280709-A (GB)
Title: Apparatus for and method of supporting glass sheets during heat treatment
IPC: C03B23/03
Filed: 1969-09-16
Abstract: 1280709 Supporting sheet glass PERMAGLASS Inc 16 Sept 1969 [4 Nov 1968] 45589/69 Heading C1M Apparatus for supporting sheet glass during heat treatment comprises an endless ring frame 12 which has a plurality of pointed teeth 20, the apices of the teeth being substantially parallel to each other and instituting support areas for the glass sheet, the aggregate support area being less than 20% of the area of the ring frame. The teeth may be elongated to define linear contact points. A wire mesh screen 24 may be disposed over the teeth so that a plurality of wires lie transversely across each linear point, the wire defining the support areas. The apparatus is said to prevent cracking of glass because of the low rate of heat transfer from the sheet. A method of bending sheet glass is described in which pre-heated glass is pressed against a mould by the ring frame 12, after which the sheet is moved laterally and subjected to a blast of cooling gas.