baber/WOPTO huggingface dataset:
Patent GB-1054142-A (GB)
IPC: F16H37/00
Abstract: 1,054,142. Change-speed and clutch control. DANA CORPORATION. Jan. 29, 1965 [March 23, 1964], No. 4157/65. Headings F2C, F2D and F2L. A tractor transmission, Fig. 3, comprises an input shaft 14 coupled by high and low ratio pinions 22, 26 and 20, 24 with a first drive shaft 16 carrying ratio establishing clutches 28A, 28B, the shaft 16 rotating a second drive shaft 42 at the same speed in the opposite direction through constantly meshing pinions 32, 46, the two shafts respectively driving independently operable pairs of forward and reverse clutches 54A, 54B and 56A, 56B on parallel driven shafts 34, 36 through identical gear trains 30, 38, 40 and 48, 50, 52. Shaft 42 is in alignment with input shaft 14 and carries a power take-off coupling 43, while shafts 34, 36 drive transverse output shafts 62, 64 through bevel gears 58, 70 and 60, 72. Any desired number of ratios between the shafts 14 and 16 may be provided. Clutch construction.-The clutch assemblies are of identical construction consisting of twin multi-disc units, Fig. 4 (not shown), in which the sets of discs 102 are engaged against release springs 114 by oppositely acting annular hydraulic pistons 104, 106 working in cylinders formed in a central member 82. Pressure liquid is supplied through radial ports 150, 152 connected to axial passages 116, 118 in the clutch shaft and supplied through openings 124, 126 in a cap member 120. Clutch operation.-The clutch units are controlled by selector valves 132, 132A, 132B, Fig. 5, operated by three-position hand levers 138, 138A, 138B, each movable in opposite directions from a central neutral position to engage one or other of the associated clutches. Lever 138B enables one of the clutches 28A, 28B to be engaged for high or low ratio drive, while separate operation of levers 138, 138A and clutches 54A, 54B and 56A, 56B permits fully independent forward or reverse drive of either of the individual output shafts 62, 64.
Patent GB-1054320-A (GB)
IPC: H04B3/36
Abstract: 1,054,320. Two-way repeaters; Interconnection systems. GENERAL ELECTRIC CO. Ltd. March 3, 1965 [March 3, 1964], No. 8944/64. Headings H4K and H4R. One of a number of two-way repeaters for a two-wire interconnection system with terminal sets connected to the up and down lines is shown in Fig. 3, and contains a unidirectional amplifier which is switched to the appropriate transmission direction in dependence upon the direction of direct current flowing through the repeater produced by a D.C. signal voltage applied to the A-wire from one of the two terminalsets. The D.C. paths connecting the up and down lines in the repeater are provided by resistors 37-40 and 44-45 and are connected by the shunt path of resistor 48 and diode 47. The current through this shunt path in each repeater will have flown either through resistor 38 or 39, depending upon the direction of direct current in this series pair produced by a positive voltage on either the up or down A-wire. The transistor is thereby biased either on or off respectively to operate or release the relay RC, so changing the connections of the amplifier in accordance with the direction of transmission of the terminal set sending the D.C. signal. Without a D.C. signal on either line the transistor is biased off by diode 33. Diode 34 absorbs voltage surges produced when the relay RC releases. The capacitors 51-54 prevent speech signals from passing through the D.C. path of the repeater. Terminal set (Fig. 2 ),-The three conditions of the set, namely speech, ringing and waiting for a call, are controlled by a three-position switch K1 having contacts K1/1-K1/8. For the speech condition the application of positive D.C. potential over contacts K1/7, K1/6 (opposite to that shown) is controlled at contact SR3 of relay SR in conjunction with the alternate connection of the microphone 21 and receiver to the line at contacts SR1, SR2 of this relay, which is actuated at key K2. In the ringing condition contacts K1/7, K1/6 are as shown and a negative D.C. potential is applied to the line, and is transmitted through the repeater to the other terminal station and not shunted off by diode 47. In the waiting for a call condition the D.C. potentials are removed and transistor circuit 8 is connected, which upon receiving negative ringing voltage from the other set operates relay RR to sound bell 17.
Patent GB-1054992-A (GB)
IPC: B29C49/76
Abstract: 1,054,992. Blow moulding. KUNSTSTOFFMASCHINEN A.G. Jan. 10, 1964 [Jan. 11, 1963], No. 1183/64. Heading B5A. [Also in Division B8] In a method of making a hollow bottle-like article from a length of thermoplastic tubing a unitary neck and closure plug is formed by a compression moulding operation before the bottle is formed by blow moulding. The compression mould comprises mould parts and which close about the top of an extruded tube to define a cavity into which a male plunger is moved to form the unitary spouted neck and plug closure jointed by a thin part which is subsequently ruptured in use. The plunger is then removed and the blow mould parts are closed. A blowing tube is then inserted into the blow mould and hot gas introduced to effect blowing. On completion of the blowing the bottle is filled through the tubular extension of the closure plug which extension is closed, e.g. by welding pliers which form a lug so that the plug is captive.
Patent GB-1095567-A (GB)
IPC: G03C1/675
Abstract: 1,095,567. Photo-sensitive materials. KALLE A. G. April 13, 1965 [April 15, 1964], No. 15697/65. Heading G2C. A light-sensitive material comprises a support coated with a layer containing a ferrocene or a substituted ferrocene and a halogenated hydrocarbon of formula wherein X is chlorine, bromine or iodine and R, R 1 , and R 2  are chlorine, bromine or iodine or one of them may be hydrogen. The light-sensitive layer may also contain a phenol or a naphthol, an arylamine or a nitrogen containing heterocyclic compound e.g. a pyrrole or an indole. The material is imagewise exposed to light to produce a coloured negative image. The exposed material may be fixed by heating between 80 and 120 C. A synthetic resin or wax may be added to the light-sensitive layer. The material may be made up without the halogenated hydrocarbon to improve the shelf-life; the hydrocarbon being applied just before exposure in the form of a gas or, if a solid, sublimed on to the material.
Patent GB-1226379-A (GB)
IPC: B23K15/00
Filed: 1968-04-26
Abstract: 1,226,379. Welding by fusion. CLOVER. 26 April, 1968 [28 April, 1967], No. 19892/68. Heading B3R. In electron, ion or laser beam welding thick metal parts, the parts 1, 2, Fig. 2, are formed to have abutting central portions AC between opposed welding grooves, the central portions are joined by beam welding from both sides, and inserts 6, 7 pre-formed to the required section are positioned in the grooves and beam welded. Where very thick plates are being welded, several layers of inserts of diamond or triangular section are used. The groove walls may consist of sections AK, KL of increasing angle or of staggered sections so that welds do not penetrate and re-fuse welds made earlier. For circular welds, annular inserts may be used. In a tube to plate joint, a collar 23, Fig. 8, is welded to the plate along abutting surfaces AC and annular inserts 25 are welded into grooves adjacent the surfaces AC. The tube 27 is welded to the collar 23 by internal and external weld passes.
Patent GB-1229679-A (GB)
IPC: G01L7/00
Filed: 1968-10-28
Abstract: 1,229,679. Measuring fluid-flow. MINISTER OF AVIATION SUPPLY. Oct.17, 1969 [Oct.28, 1968], No.51046/68. Heading G1R. In afluid-pressure ratio sensor having a body 1 in which is formed a parallel sided duct of varying depth machined in one flat face thereof to form three walls of a convergent-divergent nozzle 2 and a sliding plate 3, axially adjustable by a lead screw 5 and held in position by screws 4, defines the remaining wall of the nozzle 2, pressure lappings 13, 14, 17, 18, spaced apart in the flow direction, are provided in the divergent nozzle portion, and are variable in spacing by moving the plate 3 relative with body 1. An abrasive coating 12 of silicon carbide may be provided to maintain turbulence. The sensor may be fed from a highpressure source of a supersonic aircraft engine air intake and any variation in pressure signals sensed by the lappings would operate mechanism controlling the engine air intake.
Patent GB-1230585-A (GB)
IPC: H03K5/1532
Filed: 1968-07-26
Abstract: 1,230,585. Analogue/digital converters. NATIONAL RESEARCH DEVELOPMENT CORP. 23 July, 1969 [26 July, 1968], No. 35894/68. Heading G4H. The output of a spectrometer 100 (Fig. 1) is applied to a peak shaping unit 104 which detects the maximum of each peak and delivers an output pulse to a trigger 106 controlling a director 107 which enables sequentially stores 108, 109, 110, 111 to receive the count in a counter 113, the counter starting its count at the start of the scan of the spectrometer so that the count when the store is enabled represents the mass of the ion giving rise to the peak. The stored counts are fed via a multiplexer and a serializer to a computer or tape punch 117. The height of the peaks may also be digitized by applying the spectrometer output to nine threshold circuits 118 which when they are turned on or off apply add or subtract pulses to binary coded decimal counter 119. This count is also fed to the stores for transmission. The director comprises four identical sections connected in series, each pulse from the trigger either being applied to the first section or passing through this section to the next if the first section has not been reset after the preceding pulse, the section which accepts it enabling its associated store. If all four sections are fed an "overflow " indication is given. The stores which may be shift registers are read out under the control of a multiplexer (Fig. 6, not shown) which comprises four sections each enabling the next section when read out of the associated store is finished. In a modification (Fig. 8, not shown) which may be used with magnetic core storage, the spectrometer output is fed via an amplifier (180), a variable gain amplifier (181) and a logarithmic amplifier (182) to the differentiator the output of the logarithmic amplifier being digitized by a conventional analogue/digital converter (186) when a pulse is received from the trigger (184) connected to the differentiator (183). The times of arrival of the trigger output pulses are digitized as in Fig. 1.
Patent GB-1232945-A (GB)
IPC: G03B27/16
Filed: 1969-02-04
Abstract: 1,232,945. Contact Printing. BIO BIELEFELDER OFFSETDRUCKPLATTEN UND ZUBEHOR B. KRAUSE. Feb.4, 1969 [March 16, 1968], No. 5941/69. Heading G2A. A photo copier having a frame 1 supporting an offset printing plate to be exposed and a printing lamp 3 is provided with a reflecting structure 4 between the lamp and a glass cover 2 adjacent the frame 1. The structure 4 has reflective inside  walls formed from hammered aluminium, and has a bottom opening corresponding in size to the cover 2 and a top opening for receiving the lower end of the lamp 3. The structure 4 comprises a lower rectangular, preferably square, box shape with a truncated pyramid 8 on top. Guide tubes 10 guide the structure 4, and a cross-member 15 carried by the tubes carries means for adjusting the lamp movement. Between the glass cover 2 and the printing plate is provided a translucent support sheet having the original to be copied fixed thereto. The reflector structure 4 prevents formation of lines in the exposed plate corresponding to the original edges.
Patent GB-1234588-A (GB)
IPC: C08F20/42
Filed: 1968-10-07
Abstract: 1,234,588. Polymerizing acrylonitrile. AKZO N.V. 7 Oct., 1968, No. 47464/68. Heading C3P. A continuous method of producing a spinnable solution of polyacrylonitrile, i.e. a polymer containing at least 85% by weight acrylonitrile units in a liquid dialkylamide by polymerization in suspension in a single stage, wherein there is used a reaction mixture comprising (i) a liquid dialkylamide, (ii) a monomeric material containing, by weight, at least 85% acrylonitrile, up to 10% of ethylenicallyunsaturated comonomer and up to 5% of ethylenically unsaturated comonomer for improving the tinctorial properties of the polyacrylonitrile, (iii) polyacrylonitrile and (iv) a polymerization catalyst in a mixer-reactor, is characterized in that: (a) a concentration of at least 25% by weight of polyacrylonitrile is maintained in the reaction mixture by maintaining therein a weight ratio between monomer (ii) and dialkylamide of more than 1À63 by the continuous addition of monomer (ii) and dialkylamide, either separately or in the form of a mixture, in a proportion by weight of at least 72: 28 and at most 95: 5; (b) the polymerization catalyst used comprises an oxidizing agent and an organic reducing agent; (c) the temperature of the reaction mixture is maintained between 40 and 70 C.; (d) a residence time of the reaction mixture in the mixerreactor of from 15 minutes to 2 hours is maintained; and (e) a portion of the reaction mixture is continuously withdrawn and an appropriate quantity of dialkylamide is added thereto so that, after elimination of unpolymerized monomer, a spinnable solution of polyacrylonitrile is obtained. Suitable comonomers include alkyl acrylates and methacrylates, vinyl acetate and styrene. Comonomers for improving tinctorial properties (i.e. receptivity to dyes) include vinyl-, allyl- and methallyl-sulphonic acids, sulphonic acid derivatives of styrene, vinyl phenyl ether, N-phenylmaleamic acid and N-phenyl maleimide, and alkali metal, ammonium and amine salts of such sulphonic acids. Dimethyl formamide and dimethyl acetamide are suitable as the liquid dialkylamide. Examples of the oxidizing catalyst component are benzoyl peroxide, cumene hydroperoxide, hydrogen peroxide, sodium perborate, sodium perchlorate and ammonium persulphate; and as the organic reducing agent, compounds such as alkyl mercaptans, thiourea, dixanthogenate disulphide and thioglycolic acid may be used. Fibres, filaments and films can be formed from the polymer solutions obtained by the described process.
Patent GB-1237979-A (GB)
IPC: F16B39/34
Filed: 1969-09-15
Abstract: 1,237,979. Locking fasteners. STANDARD PRESSED STEEL CO. 15 Sept., 1969 [26 Sept., 1968], No. 45354/69. Heading F2H. A thermoplastic resin locking element is bonded to a metal fastener by contact, in a fused state, with the locking element surface in the presence of an intermediate film of an organosilane.
Patent GB-1252370-A (GB)
IPC: B41N6/00
Filed: 1969-10-03
Abstract: 1,252,370. Photo-mechanical printing plate. W. R. GRACE & CO. Oct.3, 1969 [Oct.3, 1968], No.48818/69. Headings G2C and G2M. [Also in Division B6] A printing plate assembly comprises a flexible printing plate, backed by a porous, fibrous matrix resilient body impregnated with an elastomeric material and adhesively secured to a saddle, and made from a photo-curable polymeric composition containing a polymer with at least two unsaturated carbon to carbon bonds per molecule, a polythiol and a photo-sensitizer, such as benzophenone (see Specification 1,251,232. Preferably the resilient body is a felted sheer, such as a cotton linter paper impregnated with acrylonitrile copolymer latex and melamine resin, with or without a layer of synthetic rubber on its surface. The resilient body may comprise fibres of cellulosic material, or of nylon or rayon, and polyurethane, silicone or other rubber foam may by used as additional cushioning material. Preferably the printing plate is secured to the resilient body by means of an adhesive.
Patent GB-1257797-A (GB)
IPC: B29C44/30
Filed: 1969-01-05
Abstract: 1,257,797. Moulding cellular articles. TENNECO CHEMICALS Inc. 5 Jan., 1969 [5 Jan., 1968], No. 39850/68. Heading B5A. [Also in Division B8] The subject-matter of this Specification is contained in Specification 1,246,940, but the claims are directed to an arrangement and method of changing the transverse contour of a longitudinally moving web without changing the relative longitudinal positions of points which lie in the same transverse plane. The web forms the surface on to which the resin is poured for expansion as it is carried through a mould formed by mould segments on endless conveyers and the change of contour is effected with minimum wrinkle formation.
Patent GB-1289376-A (GB)
IPC: H01L23/057
Filed: 1970-07-22
Abstract: 1289376 Component assemblies; encapsulating semi-conductor devices GLOBE-UNION Inc 22 July 1970 [21 Aug 1969] 35518/70 Headings H1K and H1R A method of protecting a transistor 20 mounted on a substrate 12 comprises positioning an organic thermosetting body 26 with a cavity 28 over the transistor 20 and wires 22, 24, heating the body 26 to at least partially cure the thermosetting material and then applying an overcoating also of thermosetting material (34, Fig. ld, not shown) and the curing completed. If preferred a small amount of liquid epoxy adhesive can be applied to the lip 30 or the substrate preheated to soften the body 26 to maintain the body in position during the process. The overcoating is applied by spraying or brushing or by dipping the heated assembly into a fluidized bed of thermosetting material in powder form. The body is formed by compact - ing powder by mechanical means preferably without the use of heat. Various types of thermosetting plastics materials are suggested.
Patent GB-1296576-A (GB)
IPC: C12P17/18
Filed: 1970-10-09
Abstract: 1296576 10-Hydroxy alkaloids of the yohimbane family ROUSSEL UCLAF 9 Oct 1970 [9 Oct 1969] 48104/70 Heading C2C 10-Hydroxy pentacyclic alkaloids of the yohimbane family, especially 10-hydroxy-corynanthine, and 10-hydroxy-ajmalicine, are obtained by subjecting a corresponding pentacyclic alkaloid of the yohimbane family to the action of a microorganism of the Gongronella family which produces one or more hydroxylating enzymes, especially Gongronella urceolifera, preferably by incorporating the alkaloid into the nutrient medium and culturing the microorganism therein, e.g. at 26 to 37 C. for 1 to 4 days. The 10-hydroxy alkaloid may be obtained by separating the mycelium from the culture liquor, solvent extracting both mycelium and liquor and isolating the 10-hydroxy alkaloid from the extracts, preferably followed by chromatographic purification and, optionally, by salification. Pharmaceutical compositions having a sedative or depressive effect on the central nervous system, and possessing a hypotensive, bradycardiating and adrenolytic action, comprise one or more 10-hydroxy-substituted pentacyclic alkaloids of the yohimbane family in association with a pharmaceutical vehicle in forms suitable for administration orally, parenterally or rectally.
Patent GB-1296926-A (GB)
IPC: E04C3/07
Filed: 1970-02-26
Abstract: 1296926 Girders THEODOR WUPPERMANN GmbH 26 Feb 1970 [18 March 1969] 9424/70 Heading E1K A girder comprises two members 10, 20 of identical C-shaped cross-section, each member having one flange 13, 23 shorter than the other by twice the width of the material of the member, the flanges having bent over end portions 14, 16, 24, 26 parallel to the webs, the members being telescoped together with the longer flanges enclosing the shorter flanges. The end portions may be accommodated in recesses (17, 27) in the webs.
Patent GB-1301271-A (GB)
IPC: B21C37/12
Filed: 1968-10-31
Abstract: 1301271 Coiling helically jointed tubes; seaming C H WOOD 23 Jan 1970 [31 Oct 1968] 51573/68 Headings B3A and B3J Ducting is formed with a helical seam comprising a core 22, Fig. 8, and a shell 24 surrounding and engaging beneath edges 100, 102 on the core, the seam being locked by compression. Flexible ducting may be formed from longitudinally - corrugated aluminium, aluminium alloy or galvanized steel strip. The strip is fed from corrugating rolls (not shown) and coiled to overlap edge-corrugations 16, 18, Fig. 6, which are then flattened, Fig. 7 (not shown), and the radial margins squeezed towards each other before the seam is radially compressed, Fig. 8. Apparatus for performing the method comprises helically corrugated rolls 32, 34, Fig. 4 and Fig. 3 (not shown), for rotating the tube 12 and radially compressing the seam, a spigot die 60, Figs. 4 and 9, entering the corrugation 18, Fig. 6, and a surrounding shell die 64 engaging over the crest 16 and progressively flattening and squeezing the seam.
Patent GB-1301470-A (GB)
IPC: B23B45/00
Filed: 1970-08-20
Abstract: 1301470 Rotary percussive drills IMPEX-ESSEN GmbH 20 Aug 1970 [23 Sept 1969 40182/70 Heading B3C [Also in Division B4] An electrically operated rotary-percussive drill includes a tool holder 2 rotatable by an electric motor 5<SP>1</SP> through a gear unit provided with coupling means 3, and a striker 23 arranged to beat on a tool 24 in the holder 2, the gear unit providing for two speeds of tool rotation and the coupling means 3 having a neutral, non-driving position. A pinion 5 formed on the motor output shaft 5 drives an outer member 6<SP>1</SP> of a safety release clutch 6, a clutch hub 6<SP>IV</SP> being mounted on an intermediate shaft 4. A gear-wheel 8 is secured to the member 6<SP>1</SP> for rotation therewith and a further gearwheel 7 is mounted on the shaft 4, these wheels meshing with respective gear-wheels 10, 9 freely rotatable on the coupling shaft 3. Clutch elements 10<SP>1</SP>, 9<SP>1</SP> are selectively co-operable with the gear-wheels 10, 9 and clutch rims 12, 11 of the shaft 3 on sliding the shaft 3 against a spring 14 by means 27 a cam 17, the shaft 3 being thus rotatable at either of the speeds defined by the respective gear ratios. A pinion 3<SP>IV</SP> of the shaft co-operates with a gear-wheel 2<SP>1</SP> integral with the tool holder 2 to rotate the tool 24, the striker 23 being driven through an intermediate air cushion 22 by electrically operated piston/ cylinder means 19-21 to effect the percussive action of the tool. The cam 17 may be manually adjusted by means of a knob (16), Fig. 3 (not shown), between the driving and neutral positions, which positions are defined by a spring- loaded detent pin (18). A safety clutch 6 may be included only in the slower speed/higher torque transmission chain of the gear unit, or a clutch may be provided in each transmission chain (not shown). Also, the clutches 91, 10<SP>1</SP> may be omitted, the gear-wheels 9, 10, fixed to the shaft 3 being movable into respective engagement with the gear-wheels 7, 8.
Patent GB-1302393-A (GB)
IPC: C07C47/228
Filed: 1970-06-12
Abstract: 1302393 Dihydrocinnamaldehydes UNIVERSAL OIL PRODUCTS CO 12 June 1970 28545/70 Heading C2C Dihydrociunamaldehydes are obtained by hydrogenation of cinnamaldehydes with hydrogen under substantially anhydrous conditions, at a hydrogen pressure within the range from 1 to 69 atm. and at a temperature from 70‹ to 250‹ C., and in the presence of a Pd-on-alumina catalyst and an amount of a potassium salt of a weak acid within the range from 0À5 to 5 equivalents per equivalent of Pd in said catalyst. Preferred potassium salts are the acetate and carbonate. The process may be carried out continuously or in a batchwise manner. Examples are given which illustrate the process.
Patent GB-1305706-A (GB)
IPC: F25D3/10
Filed: 1969-05-28
Abstract: 1305706 Refrigerators BRITISH OXYGEN CO Ltd 27 May 1970 [28 May 1969] 26986/69 Heading F4H In a storage or transport chamber adapted to be chilled by a refrigerant gas, articles are grouped into cells formed by dividing the chamber with upright removable walls so that access to a cell is gained by removing one such wall whilst conserving refrigerant gas in the remaining cells having their removable walls still in position. The walls may be of rigid or flexible material or have strips of resilient material along their lower and side edges. The chamber may also be divided into superposed sections by horizontal partitions formed of spaced slats to allow circulation of the gas from the roof of the chamber to the lowermost section.