baber/WOPTO huggingface dataset:
Patent GB-1143750-A (GB)
IPC: G01S7/03
Abstract: 1,143,750. Amplitude limiters. CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE. 27 April, 1966 [17 May, 1965], No. 18526/66. Heading H1W. A high frequency limiter comprises a magnetic thin film element biased to produce a non-linear absorption characteristic. In the embodiment, microwave energy is fed to and extracted from a cylindrical TE 111  cavity resonator 3 having a thin film 6 arranged parallel to the microwave magnetic field, e.g. parallel to an end wall of the cavity. The film is biased by a steady field H parallel to the thin film and perpendicular to the microwave field. The Specification states that for a certain value H s  of H, which is less than the value H r  necessary to produce resonance absorption, there exists a subsidiary absorption peak in the vicinity of which absorption of microwave energy increases with amplitude. This is the necessary condition for amplitude limiting action. The layer may consist of an NiF-e alloy sputtered on to a glass plate supported by the end wall of the cavity. For a signal frequency of about 10,000 MHz, the thickness of the layer is about 1000 A and the biasing field is 300 Oe.
Patent GB-1226501-A (GB)
IPC: A01B59/06
Filed: 1969-01-24
Abstract: 1,226,501. Tractor quick hitch. INTERNATIONAL HARVESTER CO. 24 Jan., 1969 [26 Jan., 1968], No. 4124/69. Heading A1P. A quick hitch attachment for a tractor comprises at least one elongated bar 32, hook 33 and lock 45 to releasably lock the attaching element 29. The lock comprises a latch 46, a bellcrank 48 pivotally connected to the latch 46 by a pin 51 and a link 53 pivotally connected to the elongated bar 32 by a pin 54 and to the bellcrank 48 by a pin 52. A spring 56 urges the link 53 towards an abutment 55 which limits the downward motion of the link. The attaching element 29 enters the socket 34 by imparting a horizontal force to the lower arm 50 of the bellcrank 48 causing the pin 52 to rise in the slot in the rod 71. On entering the socket 34 the attaching element 29 is locked in position as the link 53 is held down against the abutment 55 by the spring 56 and consequently no vertical movement of the pivot 52 is permitted. The lock is released by the secondary bellcrank 66 which when rotated in a clockwise direction by means of the operating handle 67 imparts vertical motion to the pin 52 via the rod 71 and thus moves the lower bellcrank arm 50 and the latch 46 to the right leaving the attaching element 29 free. With the mechanism in the release position the arcuate portion 72 of the rod 71 abuts the secondary bellcrank pivot 69 and thus downward movement of the rod 71 and hence the link 53 is prevented and the device is locked in the release position.
Patent GB-1226774-A (GB)
IPC: C07C317/04
Filed: 1968-07-10
Abstract: 1,226,774. Arylsulphinyl - chloro - ethylenes. ROHM & HAAS CO. 10 July, 1968 [13 July, 1967], No. 32849/68. Heading C2C. [Also in Division A5] The invention comprises the cis or trans compounds of formula wherein n is 1 or 2, X is H or Cl at least one X being Cl and #and #<SP>1</SP> which may be the same or different are phenyl, methylphenyl, chlorophenyl, benzyl, chlorobenzyl or naphthyl. The compounds are used in pesticidal compositions (see Division A5). They are prepared by oxidation of the corresponding bis-(arylmercapto)-ethylenes. In examples, the preparation of cis- and trans-1,2-dichloro-bis-(p-tolylsulphinyl) ethylene, cis- and trans-1,2-dichloro-1- (p - tolylsulphinyl) - 2 - (p - tolylsulphonyl)- ethylene is described.
Patent GB-1229806-A (GB)
IPC: D04H1/64
Filed: 1968-03-19
Abstract: 1,229,806. Laminates. FMC CORP. 19 March, 1968 [24 April, 1967], No. 13133/68. Addition to 1,015,273. Heading B5N. [Also in Divisions B2, C3, D1-D2 and H1] Self-adherent coatings of microcrystalline linear polyamide particles serve as bonding agents for laminating structures. The microcrystalline polyamide may be produced by subjecting synthetic linear polyamides to controlled degradation by treatment with a dilute aqueous mineral acid solution and mechanically disintegrating the resultant aggregated microcrystalline material until at least 10% by weight has a particle size not exceeding 1 micron, as described in the parent Specification. The disintegrated microcrystalline polyamide forms stable dispersions and gels in liquid swelling media. Self adherent coatings of a microcrystalline polyamide are formed by applying the dispersions to the surface of a base material and evaporation or volatilization of the liquid. In Example (3) polyhexamethylene adipamide was hydrolysed in aqueous hydrochloric acid solution and distintegrated by attrition in water to obtain a smooth stable gel, and the gel was sprayed on to one surface on a sheet of chipboard, and copper foil placed over the coated surface and laminated thereto using heat and pressure; (5) a regenerated cellulose sheet was provided with a coating of the polyamide dispersion as in (3), and another regenerated cellulose sheet superimposed on the coating and laminated thereto by heat and pressure; (9) an aqueous gel prepared as in Example (3) the attrition being sufficient so that at least 90% of the particles had a size under 100 Š, was applied to a sheet of polytetrafluoroethylene, the coated sheet then being subjected to heating and pressure to bond the particles together without destroying the discrete particle structure. The porous film thus formed was then transferred to the surface of a sintered glass filter plate, and the film secured by touching spaced points with a soldering iron tip.
Patent GB-1230402-A (GB)
IPC: H04R19/01
Filed: 1968-04-02
Abstract: 1,230,402. Electrostatic transducers. THERMO ELECTRON CORP. 2 April, 1968 [15 May, 1967], No. 15917/68. Heading H4J. In an electrostatic transducer comprising a pair of electrodes at least one of which is an electret having a dielectric surface confronting the other electrode and a metallized opposite surface, the diaphragm electrode is prevented from sticking to the fixed electrode by a grid of supporting elements on the surface of the fixed electrode spacing the diaphragm from the fixed electrode. As shown in Fig. 2, the transducer comprises a metal back-plate 19 mounted on flange 15 of plastics base 13, and perforated so that the space between it and base 13 serves as a compression chamber. A mesh of fine wires 23, or an array of raised posts, is secured to or integral with back-plate 19, and prevents electret diaphragm 25 from coming in contact with the back-plate. The diaphragm is held in place by the rim 31 of protective metal screen 33 and cap 35. Two metal back-plate and electret diaphragm assemblies may be arranged back to back (Fig. 5, not shown) for use in a pressure gradient operated microphone having a figure of eight directional response pattern. In Fig. 7 the perforated back-plate 93 is an electret metallized at 95 and supported by plastics screen 89 on non-porous insulating base 81. The opposite surface of the electret back-plate is embossed to provide the grid of support elements 101. The diaphragm is metallized plastics foil or thin metal foil 105. An embodiment of the transducer for use in conditions of variable temperature and humidity, utilizing a two-part housing, is described (Fig. 8, not shown).
Patent GB-1230844-A (GB)
IPC: C10G73/06
Filed: 1968-09-09
Abstract: 1,230,844. Dewaxing. ESSO RESEARCH & ENG. CO. 9 Sept., 1968 [8 Sept., 1967], No. 42827/68. Heading C5E. A process for dewaxing a petroleum oil stock comprises introducing said oil stock into a cooling zone divided into at least six agitated stages, introducing a prechilled selective dewaxing solvent into each of the agitated stages, maintaining the degree of agitation in each stage between 200 and 100,000 modified Reynolds number so as to effect substantially instantaneous mixing and cooling of said solvent and said oil stock in each of the agitated stages to precipitate wax from said oil stock, separating the precipitated wax from the oil-solvent solution, and recovering an oil having a reduced wax content from said solution. Solvents mentioned include methyl ethyl ketone, methyl isobutyl ketone, ethane, propane, butane and mixtures thereof, dichloroethane and dichloromethane, and mixtures of the ketones with benzene or toluene.
Patent GB-1233079-A (GB)
IPC: C08F291/00
Filed: 1968-06-20
Abstract: 1,233,079. Continuous bulk polymerization. SOC. ITALIANA RESINE S.p.A. 20 June, 1968 [21 June, 1967], No. 29586/68. Heading C3P.  Monomers of formula where R is H or CH 3  and R<SP>1</SP> is nitrile, phenyl or esterified carboxyl are continuously bulk polymerized by preparing a prepolymer syrup containing monomer and polymer in a two-stage process, the first stage being carried out at 50-120‹ C. followed by cooling the product to a temperature not below 25‹ C. and carrying out the second stage at 60-150‹ C., removing the monomer in part from the syrup and completing the polymerization by heating. The monomer may be styrene containing di-terbutyl-peroxide or dicumyl peroxide, ter-dodecyl - mercaptan or isopropyl - xantogendisulphide, petroleum jelly and rubber; methyl methacrylate containing lauroyl peroxide, octyl mercaptan and optionally methyl acrylate; or styrene and acrylonitrile containing lauroyl peroxide, di-ter-dodecyl mercaptan, a phosphitic anti-oxidant and di-octyl adipate and optionally polybutadiene. The monomer may be removed from the prepolymer by applying a vacuum to an extruder.
Patent GB-1251715-A (GB)
IPC: B41L45/02
Filed: 1969-01-07
Abstract: 1,251,715. Printing processes. ADDRESSOGRAPH MULTIGRAPH CORP. 7 Jan., 1969 [9 Jan., 1968], No. 1050/69. Addition to 1,230,464. Heading B6C. A travelling cylinder printing machine comprises a platen roller 50 which carries a raised rim 53 either at one end or at its centre as in Fig. 3. This construction ensures that when the roller is traversed along its printing path in the machine of Fig. 1 the resulting printed characters on the copy sheet are not smudged due to excessive pressure between the roller and the printing plate or plates as the rim coacts with marginal spaces of the superimposed plate and copy sheet to provide spacer means.
Patent GB-1252656-A (GB)
IPC: G07F11/58
Filed: 1969-02-04
Abstract: 1,252,656. Dispensing articles. ELECTRIC SHOP DEVELOPMENTS Ltd. and W. L. ROBINSON. Jan.30, 1970 [Feb.4, 1969], No.6026/69. Heading A4T. Article dispensing apparatus comprises an elongate conveying belt 11, Fig. 1, having a drive e.g. friction roller 27 over which the belt passes, the belt being anchored at its ends 12, 13 and passing under and over a plurality of supports e.g. rollers to provide delivery sections 11a-11e, only one at a time moving to dispense articles thereon at 30. The belt may be a chain passing over sprockets. The belt passes over moveable rollers 42-46 and under fixed rollers 37-41, around fixed rollers 30, 26, 36 and under moveable roller 18 linked at 47 to roller 42, after which the belt continues in further passes until the top portion leads under roller 14 to anchor 12. Coin controlled electric circuitry allows roller 27 to feed belt under and over rollers 37, 42 thus allowing roller 18 to rise in a guide to allow belt 11e to move to the right and dispense one article which drops on flap 26a and switches off the motor. When the last article on 11e is dispensed, linked rollers 18, 42, 47 abut a stop at the top of the guide, so that the next dispensing from belt 11d occurs when linked rollers 17, 43 move up their guide. In dispensing the last article from top section 11a, the linked rollers for that section actuate a switch whereby the switch of flap 20a moved by the dispensed article does not stop the drive to roller 27. A sold-out signal is shown, the coin slot is closed and the motor then stops before the linked rollers 14, 46, 47 abut their top stop to prevent undue load on the belt and motor. The motor is reversed to bring the linked rollers to their initial position at the bottom of their guides for reloading the delivery sections. In a further embodiment, a larger delivery section is obtained by, in effect, swinging the linked rollers with their belts upwards through a right angle as shown in Fig.5. The linked rollers each comprise two pairs of rollers, one belt loop passes around e.g. end rollers 107, 108 on one side of link 79 and another belt loop passes around the two end rollers on the other side of link 79, the linked rollers moving towards the left dispensing end of lack delivery section in turn. The belting may be wound and unwound from motor-driven rollers and, to economise in belting, one end may be connected to a cable.
Patent GB-1258075-A (GB)
IPC: A47B67/00
Filed: 1968-04-05
Abstract: 1,258,075. Hinges. FRANCIS SUMNER ENG. Ltd. 8 April, 1969 [5 April, 1968], No. 16526/68. Heading E2F. In a hinge comprising a first element 11 for attachment to a first member (not shown), pivoted about a hinge pin 38 to a second element 12 having a spigot 37 for reception in a socket 51 of a second member, resilient means 40 provide a frictional resistance to the relative pivotal movement of the elements 11, 12. The resilient means is a Belville washer on the hinge pin between the elements or between one of the elements and a head on the hinge pin. The frictional resistance afforded by the Belville washer can be adjusted by nut 45. Shoulders 20, 21, 33, 34 on the elements 11, 12 limit their relative angular movement. (For Figure see next page)
Patent GB-1264768-A (GB)
IPC: C02F11/06
Filed: 1970-09-11
Abstract: 1,264,768. Incinerating waste. C. P. CIAFFONE, C. A. RICHMOND, and A. W. GRAHAME. 11 Sept., 1970 [17 Sept., 1969], No. 43594/70. Heading F4B.  Waste matter from a receiving tray 12 passes intermittently through a shoot 14 to a pneumatic ejector 11. Gate or flag valve 20 is then closed and a controlled air supply at between 5 and 100 p.s.i. admitted through line 22 to force a slug of waste through line 29 into multiple hearth incinerator 30. A flared adapter 31 at the outlet of line 29 ensures spreading of the waste, as it enters the incinerator. More than one such ejector, in series or parallel, may be provided. Preferred dimensional details are given. The waste matter may comprise, sewage screenings, grit, skimmings, sludge cake, hospital waste, animal waste, refuse, garbage, wood bark, sawdust or waste plastics.
Patent GB-1290575-A (GB)
IPC: A01K1/00
Filed: 1970-02-19
Abstract: 1290575 Gate assembly; releasable fastenings K P ASHBY 19 April 1971 [19 Feb 1970] 7945/70 Headings E2A and E2M  A gate 13 is vertically pivoted in its own plane about a horizontal axis 14 to a first upright 12 and has cooperating securing members at its free end 21 and on a second upright 11 and a remote control means 27, 28 to operate the securing members. The members may comprise a latch 23 pivoted at 24 to the gate and cooperating with a catch 25 on the upright 11. The gate may have a counterweight 17 or a spring arrangement. An operating lever 18 is pivoted at 18b to the upright 12 and slidably pivoted at 19 to the gate. A spring 20 is connected between the gate and lever. The springs may be replaced by rams or solenoids.
Patent GB-1290583-A (GB)
IPC: F21V1/00
Filed: 1970-06-08
Abstract: 1290583 Spring clips STAR INDUSTRIAL CO Ltd 8 June 1970 27698/70 Heading E2B [Also in Division F4] A spring clip for securing together adjacent parts of a lampshade (see Division F4) is made of resilient material, preferably plastics, and comprises a pair of arms 6 adapted to pass through apertures 4 in the parts and two spaced finger grips 7 for opening the clip.
Patent GB-1294982-A (GB)
IPC: C08G75/23
Filed: 1970-06-19
Abstract: 1294982 Polyarylether - sulphones BAYER AG 19 June 1970 [25 June 1969] 29948/70 Heading C3R Polyarylether-sulphones containing recurring units of formula and/or where Ar is a diphenylene or naphthylene radical or has the formula where Z is a hydrocarbon radical of 1 to 8 carbon atoms or is -O-, -S-, -SO-, -SO 2 - or -CO-, are prepared by reacting a compound of formula  where Hal is chlorine or fluorine and Ar<SP>1</SP> is a diphenylene or diphenylether radical, with a bisphenolate of formula where Me is an alkali metal. In examples, 4,4<SP>1</SP>- bis - (4 - chlorophenylsulphone) diphenylether is reacted with the sodium salts of 2,2-bis-(4- hydroxyphenyl)-propane and 4,41-dihydroxydiphenyl, and 4,41 - bis - (4 - chlorophenylsulphone)-diphenyl is reacted with the sodium salt of 2,2-bis-(4-hydroxyphenyl)-propane. Uses.-Lacquers, films, fibres and moulded articles.
Patent GB-1304237-A (GB)
IPC: C04B35/26
Filed: 1970-09-02
Abstract: 1304237 Ferrite cores PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 2 Sept 1970 42043/70 Heading H1H Magnetic ferrite cores have the composition: The cores may be made by sintering at 1150- 1400‹ C., e.g. for 30-60 minutes, a compressed, optionally pre-fired mixture of oxides and/or oxide-forming compounds. The partial pressure of oxygen during sintering and cooling down to 1000‹ C., is related to the core temperature such that where T=temperature in ‹ K., P=partial O 2  pressure and C 1  and C 2  are constants such that when PO 2  = 0À001 ats., the temperature is >1040‹ C.; at 1350‹ C. PO 2  is <0À06 ats.; while during cooling from 1000‹ C. to room temperature, PO 2 <0À0003 ats. The products have low disaccommodation values over a wide temperature range.
Patent GB-1304380-A (GB)
IPC: A47G25/48
Filed: 1970-04-17
Abstract: 1304380 Garment hangers SHONAN KAGAKU KENKYUSHO KK 17 April 1970 18550/70 Heading A4U A moulded plastics garment hanger comprises yoke members 3, 4, which are contoured to the shape of the neck and shoulders, an integral trouser bar 7, and a resilient trouser-gripping member 9 pivoted at one end to the bar and movable by hand between open and closed positions. The arched yoke members are of U-section with arms 5, 5', 6, 6' directed generally forward and the arms 5, 6 increasing in width and changing from a substantially horizontal position in the upper parts of the yokes to a downwardly extending position in the lower parts, to provide a twisting effect. The bar 7 is of T-section and the gripping member consists of a doubled spring wire having end loops 12, 12', pivoted by cap screws 13, 13' to the web 7" of the bar, and runs 10, 10', connected by a handle 11 and spaced from each other less than the thickness of the web 7". A hook 2 embedded in the yoke during production, is rotated before completion of the cooling so that keying of the plastics material in a groove 2' in the stem of the hook prevents detachment of the hook while allowing rotation thereof.
Patent GB-1308918-A (GB)
Title: Cableway carriage and system
IPC: B61B7/02
Filed: 1970-01-29
Abstract: 1308918 Conveyer systems J A B JONES 19 April 1971 [29 Jan 1970] 4363/70 Heading B7L A cableway has a carriage 6 supported by a wheel 5 on a overhead cable 3 slung between a loading station 4, and an unloading station 1, the carriage having a pulley 13 fixed to a ratchet 15 so that a pawl 17 which engages with the ratchet allows rotation of the pulley in one direction only. The carriage is moved by a haul-in cable 7, which passes several times round the pulley 13 and terminates in an end part 10 which may be in the form of a choking chain, and a pull-out cable 11 wound around winches 8. The pawl 17 is urged towards the ratchet by a compression spring 20 through a lever mechanism, and plungers 23, 24 cause the pawl to disengage from the ratchet when they are depressed. A torque limiting device may be included in the form of a friction pad 50 between the ratchet and the pulley (see Fig. 5). pawl 17 may be held disengaged from the ratchet 15 by a catch (not shown) associated with plunger 23. The pawl may be arranged to engage with the ratchet in response to an increase in tension in the haul-in cable 7 such as would occur when a load is lifted, for instance by means of a pulley having two separable faces, one of which has teeth which may be engaged by a pawl.
Patent GB-1311854-A (GB)
Title: Bearing surfaces formed of composite metal granule structures
IPC: F16C33/14
Filed: 1969-07-17
Abstract: 1311854 Plating granules; coating with metals UNITED KINGDOM ATOMIC ENERGY AUTHORITY 17 July 1970 [17 July 1969] 36175/69 Headings C7B and C7F [Also in Division F2] A bearing surface is produced by forming a layer of hard granules e. g. on a conductive substrate, plating a metal into the interstices between the granules to cover the layer and form a composite metal-granule structure, and removing material from the covered-over face of the layer, e. g. by machining and honing using diamond cutting tools, to leave a smooth bearing surface comprising areas of the metal and granules. The substrate may be a cylindical steel shell, degreased in C 2 HCl 3  vapour then anodically cleaned in aqueous NaOH-Na 2 CO 3  at a C.D. of 50 ASF and etched in the H 2 SO 4  at a C.D. of 200 ASF with water rinses. The granules may be diamonds, refractory hard i.e, transition metal carbides, nitrides, borides or silicides, hard alumina or Al 2 O 3 -Cr 2 O 3  solid solution, sensitized with SnCl 2 , then PdCl 2  solutions, and coated with Ni (or other ferromagnetic metal) from an aqueous NiCl 2  - NaH 2 PO 2  solutions, so that the granules are held to the magnetized substrate during plating, e.g. with Ni or other transition metal, Al, Sn, Pb or In, by electro-, electroless or vapour plating. For example, Ni may be electro-deposited on to the bore of the steel shell from an aqueous bath containing 340 g/l Ni (NH 2 SO 3 ) 2 , 3À3 g/l NiCl 2 , 30 g/l H 3 BO 3 , 7À5 g/l naphthalene tri-sulphonate and Na lauryl sulphate a pH of 3À5-4À3, using a C. D. of 25-70 ASF. The bearing surface may be removed from the substrates as a Ni-daimond shell. Specification 957553 is referred to
Patent GB-1312453-A (GB)
Title: Hydraulic control valves
IPC: F16K17/10
Filed: 1969-08-05
Abstract: 1312453 Valves LOUIS NEWMARK Ltd 5 Aug 1970 [5 Aug 1969] 39089/69 Heading G3P An hydraulic control valve adaptable for various uses comprises a body 10, Figs.3 and 4, formed with parallel channels 11 and 12, and valve chambers 21, 43 and 56. The upper end of chamber 21, Fig.3, is connected by passages 20, 15 to the channel 11 and to a first surface port closed by a removable plug 18. A reversible sleeve for directing flow is disposed in passage 15. Passages 35 and 39 connect a medial point of chamber 21 with the channel 12 and with a second surface port closed by a removable plug 40. A further reversible sleeve 37 is provided. The lower end of chamber 21 is connected by a passage 42, Fig. 4, with the second chamber 43 which is also connected to a third surface port provided with a removable closure plug. The control valve is adapted for its various uses by reversing the sleeves 16 and 37, as appropriate, or removing the sleeve 37 altogether, and connecting the surface ports to drain or to fluid lines as required. The valve member 50 in chamber 43 is always present and can be employed singly or in conjunction with one or both valve members in the remaining chambers. The valve member 60 in chamber 56 can be removed altogether and replaced by a sealing member for preventing flow between channel 12 and 11. The valve member 26, Fig.3, in chamber 21, may be given a modified shape, Figs. 10A and 10B (not shown), which enables it to be reversed to control the fluid flow in a different way. The various adaptions of the control valve are represented schematically in Figs. 5-9 (not shown) and these are respectively for (a) a pressure relief valve Fig. 5 (b) an external pilot operated check valve (Fig. 6) (c) an internal pilot operated valve (Fig. 7) (d) a sequence valve with external pilot operation (Fig. 8) and (e) a pressure reducing valve (Fig. 9).