baber/WOPTO huggingface dataset:
Patent GB-543692-A (GB)
Abstract: 543,692. Electrically - released switches. BRITISH THOMSON-HOUSTON CO., Ltd. Jan. 6, 1941, No. 212. Convention date, Jan. 5, 1940. [Class 38 (v)] A circuit-breaker adapted to be released automatically by a thermal-responsive device, such as current-carrying bimetal strips 46, 47, is operable " on " and " off " manually provided a toggle 16, 17 is retained at one end by a latch main contacts are tripped. The latch comprises controlled by the thermal devices, and is provided with additional contacts 68, 74 which are released to close an indicator circuit before the a slot 22 in a rotatable trip shaft 57 engaging an arm 20 of a spring-controlled, bell-crank lever 18 pivoted at 19, the toggle being connected at one end 52 to the lever and at the other end to the spring-controlled contact-arm 13 pivoted at 14. The toggle-knee pivot 34 engages a small slot in a link 33 pivoted to arms 31, 32, which are pivoted at 25 and have a notch 30 in which engages a pin 27 inter-connecting a pair of arms 28, 29 also pivoted at 25. A spring 23 surrounding pivot 25 and anchored at 26, forces pin 27 to the right-hand end of the notches 30, so providing a contact-opening force which is restrained by a transverse pin 36 engaged by a latch 35 on a latch arm 24, which is urged about its pivot 37 in a latching direction by spring 38. For manual opening by depressing plunger 40, the latch-part 42 is engaged by the cross bar 41 of a pair of arms 39 pivoted at 25, the opening being assisted by a further spring 43 between pins 44, 45 on the arms 39 and 28, 29 respectively. For reclosing, the pin 27, engaged by bar 41, is driven to the left-hand end of notches 30 to rotate arms 31, 32 and remake the toggle, the latch 35 re-engaging the pin 36. When tripped open by clock-wise rotation of lever 18, the arm 13 engages the latch-part 54, thus permitting the toggle to break and the part 20 of lever 18 to return behind the trip shaft 57. The latter supports, and is adjustably secured to, a pair of insulating tubes 55, 56 carrying projections 50, 51 for engagement with the strips 46, 47, and an arm 59. A wire spring 63 urges this arm away from an arm 62 on the trip shaft, but the two are held in a given relationship by a threaded rod 61 and button 60, and a helical spring, Fig. 1 (not shown) urges them anti-clockwise against a stop. A projection 72 on arm 62 normally serves as a latch for the part 69 of the indicator-operating switch. Part 69 is adjustably co-pivoted at 70 with the arm 68a carrying the bridging contact 68. When tripped, a rod 76 is moved to bring an offset 78 against an extension 77 of pin 45, whereby the indicator switch can be reset by the closing movement of the circuit-breaker. The arrangement may be immersed in oil in a transformer tank with the main contacts in the secondary circuit, the interior visible from the outside, and the plunger operates from outside.
Patent GB-1156879-A (GB)
Title: Zinc Ethyl Acetoacetate Chelate
IPC: C08K5/00
Filed: 1967-12-04
Abstract: 1,156,879. Zinc ethyl acetoacetate chelate. W. R. GRACE & CO. 4 Dec., 1967 [2 Dec., 1966], No. 55093/67. Heading C2C. [Also in Division C3] Zinc ethyl acetoacetate chelate, having the formula is prepared by reacting zinc methoxide with ethyl acetoacetate in the presence, as a solvent, of a lower alkanol ROH, wherein R is an alkyl group having from 1 to 3 carbon atoms. The chelate may be used as a thermal stabilizer for vinyl halide polymer resins.
Patent GB-1403966-A (GB)
Title: Unsaturated compounds and process
IPC: C07C41/18
Filed: 1973-12-04
Abstract: 1403966 Dimerizing conjugated dienes L GIVAUDAN & CIE SA 4 Dec 1973 [5 Dec 1972] 56126/73 Heading C5E [Also in Division C2] Unsaturated hydrocarbons of the general formula in which R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP> are each H or a C 1 -C 7  alkyl or alkenyl with the proviso that only one of R<SP>1</SP> and R<SP>4</SP> represents H are prepared either by (a) dimerizing a compound where R<SP>11</SP> is a C 1 -C 7  alkyl or alkenyl group; or (b) co-dimerizing such a compound with a compound CH 2  = CR<SP>3</SP>.CR<SP>4</SP> = CH 2  in the presence of a salt or co-ordination complex of palladium (II). The reaction may be carried out at 20-200‹ C. Preferred catalysts are complexes of triphenyl phosphine with Pd(II)- acetylacetonate or with Pd(II)nitrate. Examples describe the dimerization of isoprene to give 2,7-dimethyl-1,3,7-octatriene; the dimerization of 2,3-dimethyl-1,3-butadiene to give 2,3,6,7-tetramethyl-1,3,7-octatriene; the co-dimerization of isoprene and myrcene; and the co-dimerization of butadiene and myrcene.
Patent GB-1203986-A (GB)
Title: Mop head
IPC: A47L13/24
Filed: 1967-12-11
Abstract: 1,203,986. Mop handles. TEXEL INDUSTRIES Inc. 11 Dec., 1967, No. 56179/67. Heading B4K. [Also in Division A4] A mop head comprises a frame and a handle bracket releasably attached to a cross-bar 14 of a centre-member of the frame, the centre member 12 having (in side view) the form of an inverted V and the handle bracket comprising an upper portion 22 and a lower portion, hinged about a pin 28 to the upper portion, including a forked clamp member (30) (Fig. 5, not shown), adapted to receive the cross-bar 14 and a spring-urged hook 36 normally preventing removal of the cross-bar from the clamp member and further including a pivoted locking plate 44, the arrangement being such that the handlebracket is pivotable about the cross-bar and the upper portion is pivotable with respect to the lower portion about the hinge pin 28 which extends transverse to the cross-bar but such relative pivotal movement of the portions is prevented when the locking plate 44 engages the bracket. The plate 44 pivots under its own weight to engage or disengage the bracket, depending upon the inclination of the bracket to the vertical. The centre member 12 is welded to a frame member (10) (Fig. 1, not shown) over which a replaceable wiping element (16) is located.
Patent GB-1361219-A (GB)
Title: Paper products
IPC: D21H19/22
Filed: 1971-12-10
Abstract: 1361219 Resin coated paper EASTMAN KODAK CO 10 Dec 1971 [14 Dec 1970] 57431/71 Heading B2E [Also in Division D2] A method of making a resin coated paper product comprises incorporating into or coating onto a paper web one or more resin stabilising or antioxidant additives, and coating at least one surface of the web with a layer of resin, whereby part of the additive(s) migrates into the resin layer. The additive may be incorporated in the paper furnish before manufacture of the paper. In one example (4) a mixture of zinc (II) dibutyl thicarbamate, benzimidazolethiol, 1,3,5-trimethyl-2,4,6 tris (3,5 ditertiary butyl-4-hydroxytolyl)-benzene and 2,2'-thiobis-[4-methyl-6-t-butylphenol] stabilising agents and stearate size are blended and the dispersion added to the pulp and precipitated. Other stabilisers, such as 2-naphthyldisulphide (5) may be used or a mixture thereof with sodium sulphate in a starch size (6). The additive(s) alternatively may be coated on paper from solution, examples being 4,4' thiobis-(6-t-butyl-m-cresol) (2), a mixture of octadecyl (3,5-di-t-butyl-4-hydroxyphenyl) acetate and tris(3,5 di-t-butyl-4-hydroxyphenyl) phosphate, or a mixture 2-naphthyldisulphide, ndodecyclsulphide, 2-naphthalenethiol and tricetyltrithiophosphite. The face side of the treated paper is coated with TiO 2  pigmented polyethylene, optionally with colourants by extrusion. Other poly(α-olefins) are suitable such as polypropylene and poly 1-methyl-5- pentene or mixtures thereof optionally with polyethylene. The back of the paper may be extruded with clear high density polyethylene. Many other stabilisers are listed as falling into the following categories: (a) chain terminators such as phenols, bisphenols, thiobisphenols or amines; (b) chain terminator regenerators such as certain sulphur containing compounds: (c) peroxide decomposers such as phosphorous, sulphur or polyphosphorous compounds, (d) metal deactivators such as sulphur compounds, polymeric phosphorous compounds and chelating agents; and (e) light absorbers such as benzophenones, caticylic acid salts, benzotriazoles and organometallic compounds.
Patent GB-1358025-A (GB)
Title: Steering system
IPC: B62D1/22
Filed: 1972-12-13
Abstract: 1358025 Vehicle steering mechanism INTERNATIONAL HARVESTER CO 13 Dec 1972 [22 Dec 1971] 57437/72 Addition to 1356136 Heading B7H A steering system for steering the wheels 94, 394 at both ends of an aircraft tow tractor in two wheel, four wheel and crab steering modes comprises a hydrostatic hand control pump 600 for controlling fluid flow from a power pump 618 to front and rear mode control valves 636, 638, front and rear sensing cylinders 100, 300 connected to the front and rear wheels and in fluid communication with the mode control valves 636, 638, front and rear power steering valves 110, 310 actuated by the sensing cylinders 100, 300 for controlling fluid flow from pumps 126, 326 to steering rams 118, 318, and a mode selector switch 612 for selectively energizing electrical solenoids 637, 639 and 640, 642 to operate the mode control valves 636, 638. At a rear control station 12 there are located a second control pump 602 and mode selector switch 662, valves 614, 616 for connecting one control pump 600, 602 to the power pump 618 and the mode selector valves 636, 638 being operable by solenoids energized by a station selector switch 604.
Patent GB-1292529-A (GB)
Title: Mixtures based on thermoplastic materials, and tracing products produced from such mixtures
Inventor: FARJON RAYMOND
IPC: C08L23/06
Filed: 1970-12-04
Abstract: 1292529 Olefin polymer compositions BAIGNOL & FARJON SA 4 Dec 1970 57765/70 Heading C3P Compositions for the manufacture of tracing products, e.g. school and wax crayons and chalks, comprise at least one olefinic polymer, 5 to 15% by weight of the total mixture of at least one ethylene-vinyl acetate copolymer and 5 to 15% by weight of the total mixture of at least one ester having a boiling point of at least 180‹ C. The preferred olefin polymers are polyethylenes of M.W. 12,000-30,000 (m.p. 105-110‹ C.) and polyethylenes of higher molecular weight, and polypropylenes. They are present in amounts of 25 to 40% of the total weight of the mixture (crayon type) or less than 15% (chalk type). The copolymer and ester are used preferably in substantially equal amounts and the esters used include esters of phthalic acid with C 1 -C alcohols, cyclohexylphthalates, octyl- and dodecyl-phthalates, alcohol triphosphates, octyl- and cyclohexyl-adipates, butyl-salicylates and tartrates and octyl stearates. Other additives include lubricants, e.g. petroleum waxes and metal salts of fatty acids; epoxy resins; stearamides; fillers, e.g. talc, kaolin, titanium dioxide and lithopone, and perfumes. The compositions are formed by mixing the constituents in the molten state, cooling and crushing the product which can be extruded or injection moulded.
Patent GB-1293218-A (GB)
Title: Yarn piecing apparatus registration means
IPC: D01H13/00
Filed: 1970-12-07
Abstract: 1293218 Piecing yarn MAREMONT CORP 7 Dec 1970 [22 April 1970] 58045/70 Heading DID A registration, means (RM) borne, by the mobile carriage (CA) of an automatic yarn piecing apparatus (20), Fig. 1 (not shown), for bringing and maintaining the apparatus (20) in registration alignment With stations A, B, C, D, E, F of a textile machine (10) for yarn repair thereat, comprises control cam means 44 for controlling the aligning engagement and disengagement of the apparatus (20) with the machine (10), registration camming means 52, 54, 56 for camming the apparatus (20) into registration alignment with a station A, B, C, D, E or F, and resilient biasing and joining means for resiliently biasing the camming means 52, 54, 56 to cam the apparatus (20) into registration alignment with the said station and for joining the control means 44 to the camming means 52, 54, 56 to effect control of the latter by the former. The invention is particularly applicable to a textile machine spinning frame having a plurality of paired yarn processing stations A,B and C,D and E,F each respectively comprising a yarn delivery station A, C or E which may be offset to the left A or to the right E or may be in-line. C with its corresponding yarn take-up station B, D or F. A cam follower roller 42 is connected via a cam follower arm 34, a pivotable link 32, a connecting arm 28, a connecting shaft 26 and a cam follower arm 50 to a cam follower roller 52. A spring 48, acting on the shaft 26, biases the roller 42 into contact with the control cam 44. When an ends down position is detected, the carriage (CA), having passed the relevant station, e.g. F as shown in Fig. 4, is slowly reversed and the cam 44 is rotated to the position shown so that. the roller 52 runs along the bottom edge of a guide rail GR until it reaches the position shown where it is urged upwards by the action of the spring 48 into the appropriate registration slot where it contacts a camming surface 54 thereof corresponding to station F, further upward movement towards a second camming surface 56 being prevented by the roller 42 contacting the surface of cam 44. Subsequently, after the yarn end (FY) has been picked up by a first servicing mechanism (SM-1), further rotation of the cam 44 allows the roller 52 to rise further and engage the second camming surface 56 corresponding to station E where a second servicing mechanism (SM-2) is actuated to pick up the other yarn end (EY) and piece it to the yarn end (FY). In another embodiment, for use with textile machines with all in-line paired yarn processing stations of the C, D type, Fig. 8, the registration camming means comprises a plunger rod 106 provided at its forward end 132 with a camming surface 126 and a registration aligning surface 124 for engaging in slots 128 longitudinally spaced along the guide rail GR. The biasing spring may be replaced by an air cylinder.
Patent GB-1212217-A (GB)
Title: Improvements relating to board games
Inventor: PRITCHARD STANLEY
IPC: A63F3/00
Filed: 1967-12-21
Abstract: 1,212,217. Board game simulating commerce. S. PRITCHARD. 18 Dec., 1968 [21 Dec., 1967], No. 58135/67. Heading A6H. In playing a board game simulating commerce players move their playing pieces around a board circuit according to the fall of a die. Spaces in the circuit bear instructions relating to commerce, or refer to cards lying on the board, which relate to such aspects of commerce as "Bad Debts" or "Cash Discount". Players follow the instructions found in the board circuit, or on the cards, and carry out the financial transactions of their own imaginary businesses using game stock and token money. A bank, preferably managed by a non- playing person, represents the interests with which players have transactions. Players record their transactions in ledgers to learn accountancy and to find which player has made the most profit and thereby won the game. The complexity of the instructions may be altered to vary the complexity of the games.
Patent GB-1317270-A (GB)
Title: Tape reinforced laminated product
IPC: D21H27/34
Filed: 1970-12-08
Abstract: 1317270 Laminate CONSOLIDATED PAPER (BAHAMAS) Ltd 8 Dec 1970 [18 Dec 1969] 58300/70 Heading B5N A laminate comprises a pair of paper layers of basis weight 8 to 120 pounds per 3000 sq. feet and at least one intermediate reinforcing layer secured thereto, said reinforcing layer comprising a plurality of laterally spaced, substantially flat oriented plastics tapes, e.g. of polyethylene, polypropylene or polyvinyl alcohol having a thickness of 0À5 to 3À0 mil., a width of at least 1/32nd of an inch and an ultimate elongation of less than 50%, there being a spacing of less than one inch between adjacent ribbons and the maximum number of ribbons per lateral inch being eight. In an embodiment the reinforcing layers may comprise 2, 3 or 4 layers of tapes with the tapes of adjacent layers at an angle, e.g. 60 or 90 degrees to one another. A fibrillated film with fibres perpendicular to the tape of the adjacent layer or a sheet of polyethylene may also be included in the reinforcing layers. The layers may be bonded by melting the tapes or by an adhesive, which is preferably not applied in the areas between the tapes. The layers may be united under heat and pressure. The paper layers may be coated with polyethylene or polyvinylidene chloride to provide gas barrier properties.
Patent GB-1449459-A (GB)
Title: Screen printing machine
IPC: B41F15/08
Filed: 1973-12-19
Abstract: 1449459 Screen-printing machine S G MALLOFRE 19 Dec 1973 [9 April 1973 (2)] 58912/73 Heading B6C A screen printing machine comprises a carriage 1, Fig. 1, movable on rails 8 at either side of a printing table supporting a workpiece 10 to be printed, so as to apply repeating patterns along the workpiece; a frame 2 supporting a screen 3 is hinged about pivots 17 by means of a system of levers 18 attached to a rocker shaft 15 actuated by a double-acting pneumatic cylinder (23), Fig. 2 (not shown), and adjustable to provide the frame 2 with a suitable clearance over the workpiece 10 in its inoperative position. Frame 2 is provided with tracks 7 for supports 6 incorporating lifting devices 5 for a bridge 4 and associated squeegee (not shown). The lifting devices 5 enable the squeegee to be raised or lowered into contact with the screen, and are articulated, Fig. 9 (not shown), so as to provide the required angle of contact between the squeegee and the screen. The assembly provider leg supports 6 lifting devices 5 and bridge 4 is capable of operating when transversing the frame from either direction so that for example, these directions can be alternated at each printing stop of carriage 1.
Patent GB-1460036-A (GB)
Title: Surface wave electromechanical filter
IPC: H03H9/145
Filed: 1973-12-20
Abstract: 1460036 Surface wave devices THOMSONCSF 20 Dec 1973 [22 Dec 1972] 59043/73 Heading H3V A surface wave filter comprises a piezoelectric substrate 1 with input transducers having a common electrode 5 on a surface 2, and output transducers having a common electrode 8 on the opposite surface 3, surface waves travelling between the input and output transducers via a curved end face of the substrate and the output of the filter being fed via balanced-unbalanced transmission means. To neutralise electrostatic coupling between the transducers through substrate 1, the outer electrodes 4, 6 on surface 2 are earthed and their fingers 11, 17 are arranged symmetrically with respect to electrode 5, whereas the fingers 13, 14 of outer electrodes 7, 9 or surface 3 are arranged asymmetrically with respect to electrode 8, which is earthed. The outputs from electrodes 7, 9 are fed to the balancedto-unbalanced means, which may comprise a phase inverter 19 and an adder 20, so that the piezoelectrically-induced voltages combine additively and the electrostatically-induced voltages cancel. The balanced-to-unbalanced means may alternatively be a differential amplifier (Fig. 2, not shown), a transformer having a primary winding with an earthed centre-tap (Fig. 3, not shown), or a bridge circuit. The electrostatic coupling may be adjusted by selectively removing a part of an extension of one of the non- earthed electrodes. To prevent unwanted signals a strip (103) of absorbent material, e.g. plastics film, may be provided on one of the curved ends of the substrate 1. To obtain a dispersive characteristic the fingers of the transducers may be spaced non- uniformly, e.g. closer together at one end. In such cases the slope of the dispersive characteristic depends on which curved end carries the strip of absorbent material (Figs. 4, 5, not shown). The two transducers on each surface may be arranged to radiate in non-parallel directions.
Patent GB-1363928-A (GB)
Title: Production of formaldehyde derivatives of aliphatic hydroxyl com pounds
IPC: C08J11/00
Filed: 1971-12-21
Abstract: 1363928 Formals from polyformaldehyde plastics waste BADISCHE ANILIN- & SODAFABBIK AG 21 Dec 1971 [28 Dec 1970] 59286/71 Heading C2C The reaction product of formaldehyde with an aliphatic hydroxy compound (including methylene glycol) is made by reacting polyoxymethylene waste, as formaldehyde source, with the hydroxy compound in the presence of an aqueous acid catalyst at 60-150‹ C. Examples describe the preparation of trioxane, dioxolane, butane-diol formal (dioxepane) and dibutyl formal.
Patent GB-1357350-A (GB)
Title: Digital computers
IPC: G06F9/48
Filed: 1970-12-14
Abstract: 1357350 Data processing systems DEFENCE SECRETARY OF STATE FOR 13 March 1972 [14 Dec 1970] 59395/70 Heading G4A A small real-time computer for use with high level languages has a first store organized as a stack the locations of which are addressed relative to a workspace stack pointer and a second store, including at least four general purpose registers, which has a higher speed than the first store and the contents of which can be transferred to the first store independently of programs running on the computer, there being interlocks to prevent alteration of the workspace pointer after the contents of the second store have been changed and before they have been transferred to the first store, and to prevent read out of the second store following alteration of the stack pointer until a transfer from the first to the second store has taken place. The interlocks may be implemented by providing two extra bits in the registers, (1) a dump bit which is set when the contents of a register are changed and which is reset when the contents are transferred to the first store by a separate unit which cycles autonomously round the registers, and (2) a fetch bit which is set in all the registers when the value of the stack pointer is changed and which is reset after loading from the first store. One of the registers is used as an instruction address register while other registers are used to define various store segment boundaries (stack pointer, limit of code, global and workspace segments). A new program is set up by loading a new pointer referring to the first of a group of locations containing the new procedure. Instruction format.-A 24-bit instruction is divided up into a 5-bit function code F; a 3- bit register specifier R indicating the register to be operated on by an arithmetic instruction or a 3-bit literal operand, or, for a branch instruction, a 3-bit condition code; a literal operand bit L which, when not set and a store-modifying function is not specified, indicates that the rest of the instruction is a 15-bit immediate operand; a global bit G specifying when an operand is to be fetched from the global data segment addressed relative to a fixed pointer; an indirect bit I causing an operand to be fetched and substituted for an address offset A (last 10 bits of the instruction); a 2-bit modifier M specifying a register whose contents are to be added to A to complete an address; and a tabular bit T which when set causes the contents of a particular register to specify which bits of a word are to be fetched or stored. Interrupts.-A 24-bit word defining a store location is sent to the processor by an interrupting device and the interrupt is accepted provided a particular bit stored at that location is not set. The processor then executes a CALL EXECUTIVE instruction and sets one bit of the instruction address register to prevent response to further interrupts. Applications program interrupts are placed in a schedule priority queue. Internal interrupts, e.g. from segment violation, overflow and power failure are always accepted.