baber/WOPTO huggingface dataset:
Patent GB-881814-A (GB)
Title: Process for the preparation of n-vinyl cyclic carbamates and lactams
IPC: C07D265/10
Filed: 1959-05-15
Abstract: N-vinyl lactams and cyclic carbamates of formulae <FORM:0881814/IV (b)/1> <FORM:0881814/IV (b)/2> <FORM:0881814/IV (b)/3> wherein each G is hydrogen or C1-4 alkyl, each Z is hydrogen, C1-4 alkyl or C6-10 aryl, n is an integer from 3 to 5 and m is 3 are prepared by mixing a starting material of one of the following formulae <FORM:0881814/IV (b)/4> <FORM:0881814/IV (b)/5> <FORM:0881814/IV (b)/6> with an alkyl (including cycloalkyl) vinyl ether containing 1-10 carbon atoms in the alkyl group and a minor proportion of a catalyst that is soluble in the reaction mixture and is zinc acetate and/or one or more mercury salts of carboxylic acids, which acids in water give a pKa value of 4 to 7, then heating the mixture at 110 DEG C.-170 DEG C. until at least a portion of the starting material has been transvinylated and recovering the product.  Suitable catalysts include mercuric acetate, mercuric benzoate and phenyl mercuric acetate.  Generally up to 5% or 10% by weight of catalyst based on the weight of the reaction mixture may be used.  An inert solvent and an inert atmosphere may be used.  Autogenous pressures may be used.
Patent GB-1094841-A (GB)
Title: Apparatus for automatically centering elongated strips
IPC: F16C13/00
Filed: 1965-04-21
Abstract: 1,094,841. Rollers. UNITED STATES STEEL CORPORATION. April 21, 1965 [April 29, 1964], No. 16831/65. Heading F2U. A roller for centring an elongated strip, such as a woven metal belt 2 which may have raw edges, comprises a hollow or solid member 10 with end flanges 12, forming a wear zone for the raw edges, and a rubber or rubber-like covering 14 having slots 16, 18, 20, the adjacent parts of the flanges and covering forming a continuous surface. The covering 14 may have a cylindrical central portion with tapered end portions co-operating with tapered flanges or with cylindrical end portions and tapered intermediate portions co-operating with cylindrical flanges or the covering and flanges may form a continuous crown. Figs. 3-5, not shown.
Patent GB-696133-A (GB)
Title: Improvements in or relating to axial flow compressors
Inventor: FLETCHER ARTHUR HOLMES
IPC: F04D29/58
Filed: 1950-07-05
Abstract: 696,133. Centrifugal machines. ROLLS-ROYCE, Ltd. Oct. 4, 1951 [July 5, 1950], No. 16846/50. Class 23 [Also in Group XXVI] Air which has been used for cooling shaft bearings of an axial-flow compressor or of its driving turbine passes forwardly through a conduit 52 contained within the hollow shaft 13 of the compressor, and thence between struts 59 into a chamber 54, where it enters a centrifuge 61 through ports 61f. Oil is centrifugally separated from the air and returns to chamber 54 , through a slot 61h, while the cleansed air flows radially inwardly between a wall 61b and a baffle 61c and thence through drillings 61e into a chamber 55, from which it is exhausted through hollow struts 59, a chamber 56 anc hollow struts 21.
Patent GB-1491174-A (GB)
Title: Storage and display rack for rolls of decorative paper and the like
IPC: A47F7/17
Filed: 1976-04-26
Abstract: 1491174 Storage racks J H KRANICH 26 April 1976 16884/76 Heading A4B A storage and display rack for rolls of wallpaper 26 comprises a plurality of parallel, vertical walls 20 inter-connected by shelves 22 to define columns of compartments 24 to receive the rolls 26, each wall 20 being inclined at an acute angle to the straight front edge of a platform 18 supporting the walls 20 and the forward edges of the walls 20 terminating at said front edge, and the forward edge of each shelf 22 terminating short of the front edge of one of its associated vertical walls 20 to leave a wall display area 28 disposed forwardly of an associated compartment to carry a sample of the wallpaper contained in that compartment.
Patent GB-385218-A (GB)
Title: Process for the production of antimonates of the alkali and alkaline earth metals
IPC: C01G30/02
Filed: 1932-06-15
Abstract: Alkali and alkaline-earth metal antimonates are obtained by treating antimony oxide with alkali chlorates and oxides, hydroxides, or carbonates of the alkali or alkaline-earth metals at elevated temperatures but without fusion.  The reaction is strongly exothermic and proceeds to completion after initial heating to the reaction temperature of 300-400 DEG  C.  The product is ground and leached to isolate the sparingly soluble antimonate which is finally dried.  An example is given of the preparation of the sodium salt.
Patent GB-1457816-A (GB)
Title: Method for imprinting stonework simulating patterns in fresh  concrete and tools for use therein
IPC: B44F9/04
Filed: 1974-04-18
Abstract: 1457816 Ornamenting concrete BOMANITE CORP 18 April 1974 17047/74 Heading B6G Fresh concrete (as hereinafter defined) is ornamented by a simulated-stonework pattern by imprinting a series of impressions representing adjoining corners of adjacent stones with a tool comprising a blade group of at least three blades extending from a common point, each blade having sides converging downwardly to a penetrating edge, these edges of the blades lying in a single plane, and a shaft on the blade group extending upwardly generally normal to said plane. The term "fresh concrete" means concrete which has been laid for a matter of hours rather than days (i.e. soft, not yet "green" or set) and gives a penetrometer reading of about 250 to 450 p.s.i. In its simplest form, the tool is a single unit (Fig. 7) consisting of a blade group 31 of a hub 33 and radially extending blades 35 each having downwardly converging sides 37 tapering to a penetrating edge 39. The edges together lie in a plane. A shaft 45 extends upwardly, terminating in a head 47. In this embodiment, the blades have reinforcing ribs 41, which converge to an internally threaded collar 43 for mounting the shaft. The preferred form of the tool (Fig. 3) comprises two blade groups and shafts united by a platform 1 capable of supporting the weight of a workman. One of the blade group units is slidably journalled in elongated aperture 3, the other being merely rotatable in aperture 2. The blade groups are removable by means of their threaded mounting, and are thus interchangeable. For stability and to prevent tilting, the reinforcing ribs (41 in Fig. 7) are replaced by a spoked ring flange 12. In use, the tool is laid on the concrete surface which may be covered with a plastics material sheet, and the workman stands on the platform, as shown in Fig. 4. Each shaft head 19 is struck in turn with a hammer to imprint corner patterns 21 in Fig. 6 in the concrete. The tool is moved to a suitable new position and further corner patterns are imprinted until a desired number of impressions have been made. The apices of the adjacent triangular imprints 21  are then connected by straight or curved line imprints 22 using a suitable hand tool which may be a tool of the type shown in Fig. 7, but having only a single straight or curved blade. The resulting stonework simulating pattern may be regular as shown in Fig. 6, or irregular, as desired, according to the pattern of arrangement of the corner imprints. The blades of the blade group may be symmetrical around the hub, or may be asymmetrically arranged, e.g. in the form of a T-shape.
Patent GB-458111-A (GB)
Title: Improvements in or relating to surface high speed craft
IPC: B63B1/24
Filed: 1935-06-13
Abstract: 458,111. Hydroplane vessels. WHITE & CO., Ltd., J. S., East Cowes, and CAREY, H. C., Hampton House, Birmingham Road, Cowes, Isle of Wight. June 13, 1935, No. 17054. [Class 113 (ii)] In high speed water craft the struts carrying hydrofoils are pivoted to the hull so that they swing backwards to alter the angle of incidence of the hydrofoils as the speed through the water increases. The movement of the struts B carry. ing the hydrovanes D is resiliently controlled by the spring F<2> threaded on the bolt F which passes through an eye E on an exten sion of the strut B. The initial tension of the spring may be adjusted by the nut F<3>. In modifications, a pneumatic cylinder replaces the springs. The adjusting means may be arranged inside the hull.
Patent GB-1207691-A (GB)
Title: Improvements relating to the dyeing of pile fabric
Inventor: SCHWEIZER WERNER ERNST
IPC: D06B3/10
Filed: 1967-04-13
Abstract: 1,207,691. Dyeing pile fabrics. DEEP DYE PROCESS A.G. 16 April, 1968 [13 April, 1967], No. 17065/67 Heading D1L. Pile fabric is pressed onto a roller 1 with the pile being forced into dye held in troughs between resilient strips 2 extending transversely of the roller, dye is added at 5 and the quantity taken up is controlled by varying the position at which it is supplied to the troughs. Spacing of rolls 21 and 22 can be varied to control the arc of contact.
Patent GB-260327-A (GB)
Title: Improvements in latches for portable oil heaters
IPC: F24C5/20
Filed: 1925-07-02
Abstract: 260,327. Marks, E. C. R., (Cleveland Metal Products Co.). July 2, 1925. Hasp fastenings; hook fastenings.-A fastening suitable for connecting the chimney of a portable oil heater to its base comprises a hasp 20, Fig. 4, of sheet metal pivoted on a pin 22 between lugs 14 on the flange 3 of the chimney 1 and engaging a keeper 17 formed by bending outwardly the end of a plate 16 secured to the base, the top 18 of which forms an abutment for lugs 21 on the hasp, so that as the chimney is closed down the hasp is pressed into engagement with the keeper. The other end 19 of the plate 16 is bent downwardly to form a second keeper with which the hasp will engage if the chimney has not been pressed down sufficiently for it to engage the keeper 17. The abutment 18 projects into a wedge-shaped opening 12 in the flange 3 so that any slight sideways movement of the chimney is corrected when closing. The hasp is hook-shaped at its end to form a convenient operating means, and a projection 23 at the top limits the opening. Instead of the lugs 21, the hasp may be bent to form an eye for the pivot pin 22, and the portion at either side of the eye is made flat for engagement with the abutment 18. In a modification, Fig. 12, the hasp 68 is pivoted to a separate bracket 55 on the flange 3 by means of a yoke 59, a part 64 on the hasp engaging with an abutment 65 to press the hasp into engagement with a keeper 67. In a further modification, Fig. 14, the end of the hasp 70 works in a slot 74 in the flange to engage with the edge 15 of the base when a projection 80 comes in contact with an abutment 79 on the base, and a separate operating ring 73 is formed at the other end of the hasp.
Patent GB-1099124-A (GB)
Title: Improvements in packaging of medicaments ready for administration
Inventor: OGG ARCHIBALD JOHN
IPC: A61J7/00
Filed: 1964-04-24
Abstract: 1,099,124. Capsule for medicaments. SALISBURY GROUP HOSPITAL MANAGEMENT COMMITTEE. July 26, 1965 [April 24, 1964], No. 17129/64. Heading B8C. The nozzle 2 of a capsule is plugged into a blind hole 4 in a plaque 5, the whole arrangement being sterilized by gamma irradiation or similar means after, or immediately before, filling the capsule with a liquid medicament. Both capsule and plaque are of a plastics material, and the capsule is filled through the open end, which may then be heat sealed with a bung 3, also of plastics material. Several capsules may be mounted on the same plaque, their nozzles having capillary passages to minimize the risk of loss of medicament on withdrawal from the plaque. The plaque may be provided with a gamma radiation label (6), Fig. 2 (not shown), and other labels (7) for indicating the date of packaging &c. The plaque slides into a frame 8 which may be mounted on a wall. An alternative means of filling the capsule, after steriliztion, is through a sterilizing membrane filter. The capsule and support may be of low density and high density polythene respectively.
Patent GB-822501-A (GB)
Title: Improvements relating to apparatus for marking articles or material carried upon a conveyor
IPC: G07C3/14
Filed: 1956-06-04
Abstract: 822,501. Marking defective articles. O'KEEFE, J. Sept. 4, 1957 [June 4, 1956], No. 17151/56. Class 40 (3). In an apparatus for marking a defective article 231 supported on a conveyer 22, an inked felt roller 1 is moved into engagement with the article by an electromagnet 20 controlled by a photo-cell which examines the articles 23, 23<1> at a station 21 before they reach the marking station. The roller 1 and ink trough 5 are carried by a lever 3 which is controlled by a spring 18 and is vertically adjustable.
Patent GB-319041-A (GB)
Title: Improvements relating to suspension pulleys and the like
IPC: F21V21/16
Filed: 1928-06-13
Abstract: 319,041. Kerka, F. June 13, 1928. Pulley - blocks. - Suspension pulleys are formed with a housing c which comprises a peripheral portion shaped to follow the contour of the upper half of the pulley-wheel g and formed integral with two pierced side cheeks ; the pulley being inserted into the housing from below and secured in position by a through pin. A suspension hook a is forked to straddle the housing and preferably enters recesses formed therein.
Patent GB-868686-A (GB)
Title: Improvements relating to travelling cases and like containers
Inventor: HANAUER JOHN
IPC: A45C5/02
Filed: 1958-05-29
Abstract: 868,686. Boxes &c. WOOD & SON Ltd., W. May 29, 1959 [May 29, 1958], No. 17210/58. Class 18. [Also in Group VII] A suitcase having adjacent sides 10 and 13 joined together at an angle along the case edge 16 has a U-shaped plastics cover strip 17 of which side portions 18, 19 enclose and are bonded to opposite surfaces on the edge of the side 10 ; the side 13 has a plastics covering 23 bonded to it and has an integral inwardly projecting flange 24, and is joined to the side 10 by a weld extending along the common edge between the cover strip 17 and the plastics surface of the flange 24. The welding is effected by pressing the assembled parts 18, 10, 19 and 24 together and passing them through a welding head and platen. A suitcase body may consist of a part 10 turned up at either end to form a bottom and ends, to which are joined two sides 13 by the above method ; a lid may be similarly manufactured.
Patent GB-110055-A (GB)
Title: Improved Portable Appliance for Laying-up Cloth or Fabric.
IPC: A41H43/00
Filed: 1916-12-01
Abstract: 110,055. Glanfield, S., Thomas, W. J., and Glanfield & Son, G. Dec. 1, 1916. Folding transversely.-Means for facilitating the laying-up of cloth for the manufacture of ready-made clothing comprise a pair of baseplates A each having an upturned flange B adapted to bear against the edge of the work table, a flap C adapted to lie on the table, and uprights G, H to receive blades J, over which the fabric K is folded. The base-plates are adjustably secured, one at each end of the table, by means of screw-operated clamps D. According to the Provisional Specification, the blades are provided with slots for engagement with the inner uprights.
Patent GB-1197833-A (GB)
Title: A Method of and Apparatus for Performing a Working Operation on Workpieces.
IPC: B23Q7/10
Filed: 1968-04-10
Abstract: 1,197,833. Machine tool details. AEGELOTHERM G.m.b.H. 10 April, 1968 [7 Sept., 1967], No.17313/68. Heading B3B. In a milling, boring, &c. machine the workpieces are loaded on to a conveyer belt 2, Fig. 5, moved to a pick-up station where they are shifted vertically by a carrier 15 up to a slide 27 to be clamped, and the slide 27 is moved to a working station 35. The workpieces are released, and then lifted towards the tools 29 by a holder 28, which, after the operation is completed, is lowered, so that the workpieces are deposited on to rails on slide 27, and thence on to a roller bed 33 via a conveyer belt 31. The workpieces 1 pass from belt 2, Fig. 1, to rails 3, and are counted by a tiltable finger 4, the movement being provided by a driven belt 6 which engages the workpieces. When the required number of workpieces have passed on to rails 3, carrier 15, Fig. 2, moves vertically by pneumatic or hydraulic means, so that work holders 14 lift the workpieces from rails 3. If the workpieces are to be angularly orientated, the holders 14 are rotated about their axes by a belt 5, Fig. 1, until keys (19), Fig. 3 (not shown), in the holders engage keyways in the workpieces. When all of the workpieces have been correctly orientated plungers (20), are disengaged from switches (21), carrier 15 moves vertically until the workpieces are clamped by clamps 22, 25 carried on a slide 27, Fig. 4. Carrier 15 is lowered, and slide 27 is traversed horizontally, until the workpieces are aligned with holder 28, and tools 29. The clamps are released, holder 28 moves the workpieces vertically up to the tools, and slide 27 is moved to its Fig. 5 position. Holder 28 is lowered after the operation and the workpieces are deposited on the rails 30 of slide 27.
Patent GB-1068340-A (GB)
Title: Process for the alkylation of phenol and its derivatives
IPC: C07C37/11
Filed: 1966-04-20
Abstract: A process for the alkylation of phenol and its derivatives comprises reacting phenol or a derivative thereof with an alkylating agent, e.g. an alcohol, ether, alkyl halide or olefine in the presence of a catalyst solution containing a zinc halide and in the presence of a reducing agent, e.g. zinc dust, hydrogen or hydroquinone that does not interfere with, or yield products that interfere with the reactants.
Patent GB-1352249-A (GB)
Title: Combined antenna system
IPC: H01Q5/00
Filed: 1971-05-26
Abstract: 1352249 Aerials THOMSON-CSF 26 May 1971 [3 June 1970] 17349/71 Heading H4A An aerial system, which is described as applied to a combined radar-IFF (identification friend-or-foe) installation in the nose A, Fig. 1, of an aircraft comprises a Cassegrain type aerial operating at the higher radar frequency and, in front, an axially disposed aerial arrangement 1 operating at the lower IFF frequency. The Cassegrain aerial comprises a forward-facing radiator 2, which emits, for example, horizontally polarized waves, a sub-reflector 3 built up by horizontally disposed wires or strips, and a main reflector 4 which changes the polarization of waves at the radar frequency from horizontal to vertical, and which is tiltable for scanning the radar beam R. The IFF aerial arrangement comprises a first vertically disposed dipole radiator, a reflector element in front of said dipole, and director elements behind said dipole. This part of the aerial arrangement produces a narrow interrogation beam I 0  which, since it is vertically polarized, passes through the subreflector 3 to the main reflector 4, and is scanned, with the radar beam, as the beam I 1 . In front of the reflector element is a second dipole radiator which is energized alternately with the first dipole radiator, and which provides a broad control beam C for side lobe blanking. The twistreflector 4 comprises a metal panel 51, Fig. 5, in front of which is a network of parallel wires 53. The wires are at 45 degrees to the horizontal, are spaced # r /10 apart, and are # r /4 from the surface of the metal panel (# r  = wavelength at the radar frequency). The spacing between wires may be increased to about # r /4, and their distance from the panel to about # r /3, so as to obtain a wider pass-band. In order to overcome any residual effect of the twist-reflector upon the IFF signals, a second network of parallel wires 54 is provided adjacent the wires 53 and at 90 degrees thereto. The spacing between the wires 54 is # i /10 (# i  = the wavelength at the IFF frequency).
Patent GB-117388-A (GB)
Title: Improvements relating to Sewing Machines.
Inventor: HARRIS JOHN
IPC: D05B35/02
Filed: 1917-11-24
Abstract: 117,388. Harris, J. Nov. 24, 1917. Sewing-machines folding-devices. - In hemmers, the upper plate a of the part which forms the last turn of the hem is extended alongside the presser-foot b as shown at a<2> and is provided with a suitable opening a<3> for the toe of the presser for the purpose of confining the folded fabric as it passes through the machine. The extension may be integral with, detachable from, or movably attached to the plate a.
Patent GB-1137166-A (GB)
Title: Improvements in or relating to reciprocating pumps
IPC: F04B15/08
Filed: 1966-04-21
Abstract: 1,137,166. Reciprocating pumps. L. TYREE. April 21, 1966, No.17452/66. Heading F1A. In a pump for volatile liquids, e.g. liquefied gas, the cylinder 35 is reciprocated on a stationary plunger 33' by means of a rod 75 the lower end 73 of which seats in the upper portion 67 of the cylinder to form the inlet valve to the pumping chamber 37. The rod 75 is coupled to the cylinder 35 by a pin 79 engaging a key hole slot (81), Fig. 2 (not shown), in the rod. Liquid is discharged from the chamber 37 through the piston 33' under the control of a poppet valve 45. A sump 15 surrounding the cylinder 35 is provided with an inlet 21 and an overflow 23 and a vacuum jacket 31 surrounding the pump is provided with expansion joints 33. Liquid leakage past the piston and cylinder is returned to the supply via a port 93, a helical passageway 95 formed on the pump housing 13 and a port 99. Liquid near its boiling point supplied from a storage tank (101), Fig. 3 (not shown), may be fed to a pair of pumps (11) in parallel by a feed pump (105) and discharged to an outlet (43), vapour collecting the pump sumps being returned via the overflows to the storage trank. The rod 75 may be reciprocated by a crank-shaft and the piston 33' constructed of stainless steel.
Patent GB-685026-A (GB)
Title: Process for the preparation of gelatinisable organosols of rubber hydrochloride, themanufacture of films therefrom and the resulting films
IPC: B29D7/01
Filed: 1951-07-25
Abstract: Gelatinizable organosols of rubber hydrochloride are obtained by dispersing powdery rubber hydrochloride in an organic liquid which is a swelling agent for the rubber hydrochloride at a temperature at which the swelling action of the organic liquid is slight.  The organic liquid is preferably one which at a temperature of 80 DEG  C. or higher causes the hydrochloride to swell or even dissolve, examples are benzene, toluene, xylene, monochlorobenzene, dioxane, amyl acetate, tetrahydrofurane, 1-2-dichloroethane and mesityl oxide; certain liquids such as chloroform, tetrachlorethylene, methylene dichloride, and dichloroethylene which swell rubber hydrochloride at approximately air temperature may however be used if they are mixed with liquids of the previous class or if they are used at a lower temperature such as 0 DEG  C.  The organosols preferably contain less than 40 per cent by weight of rubber hydrochloride.  Strippable films are obtained by applying the dispersions onto glass, metal or the material known under the Registered Trade Mark "Cellophane" and then heating to remove solvent and coalesce the hydrochloride, and coated materials may be obtained by treating fibrous bases such as paper, cardboard, or textile fibre.  Plastifying agents such as dibutyl phthalate, dibutyl sebacate, and dioctyl phthalate, stabilizing agents such as triethanolamine, and dyestuffs such as "Vulcafor" (Registered Trade Mark) Fast Blue B.S. may also be added. Specification 633,463 is referred to.