baber/WOPTO huggingface dataset:
Patent GB-729665-A (GB)
Title: Hollow blades for turbines and axial flow compressors
Inventor: ODDS WILLIAM JAMES FREDERICK
IPC: F01D5/18
Filed: 1952-09-12
Abstract: 729,665. turbine and compressor, blades. NAPIER & SON, Ltd., D. Sept. 11, 1953 [Sept. 12, 1952], No. 22999/52. Class 110 (3). A blade for the rotor or stator of a turbine or axial-flow compressor comprises a blade portion formed from sheet-metal manipulated into a hollow aerofoil section.and a root portion made in two parts having internal recesses which respectively receive formations on the ends of the sheet-metal flanks of the blade portion, and the front and rear edges of the formations abut and are exposed and are secured together and to adjacent exposed areas of the said two parts. In the turbine rotor blade shown, the blade portion 10, Figs. 1 and 2, is made from sheetmetal, for instance a nickel chrome steel, folded at the leading edge 11 into a hollow aerofoil form. The Outer end 13 of the concave flank 14 is bent over to meet the outer end of the convex flank 15. A comb-like spacer 16, Fig. 7, is inserted between the flanks at the trailing edge 12. The flanks may be thinned down towards the trailing edge. The inner ends 19, 20, Fig. 2, are manipulated into a formation of approximately elliptical section, and are received in corresponding recesses in the two parts 22, 23 of the Made root portion with their abutting edges exposed between the parts 22, 23 as shown at 29. The inner ends 19; 20 may be brazed to the recesses. The parts 22, 23 and the exposed edges of the inner ends 19, 20 are welded together and the welding is continued up the trailing edge 12 after the spacer 16 has been cut flush with the trailing edge. The outer ends are also welded together. In use, coolant is introduced, as from an open-sided annular gallery in a fixed part of the turbine adjacent the rotor, through a passage 26 and flows outwardly through the hollow blade in front of an inner baffle, over the end of the baffle and down behind it, and thence through the apertures between the teeth of the spacer 16. In place of the baffle, or in addition to it, a small hole may be formed in the outer end 13 near the leading edge 11, to prevent accumulation of coolant adjacent the outer part of the leading edge. The two flanks of the blade may be made of separate pieces of sheet-metal.
Patent GB-1108934-A (GB)
Title: Catalyst production method
Inventor: BLAND JAMES ALBERT
IPC: B01J21/16
Filed: 1964-06-03
Abstract: In the production of a shaped catalyst for reforming hydrocarbons with steam from constituents comprising at least one Group VIII metal and a hydraulic cement the cement is cured in the presence of CO2 at twice its normal pressure in the atmosphere.  The CO2 curing is preferably effected at 50-200 DEG C in the presence of water or water vapour, and may be preceded by a slow room temperature curing.  CO2 is provided preferably by decomposition of a constituent of the cement mix, for example Na, Mg or Ca bicarbonate or more particularly ammonium carbamate, carbonate or bicarbonate, or urea.  A calcium lignin sulphonate may be present to assist curing.  The cement is preferably aluminous with <12% by weight SiO2, and the wet mix may contain additional alumina and/or calcium oxide or precursors thereof.  In addition refractory catalyst support materials such as simple oxides of Mg, Sr, Ba, Si, Ti, Zr, Th or Cr or compound oxides such as china clay may be present.  The catalytically active Group VIII metal such as Ni, CO or Pt may be promoted by an alkali metal compound such as Na2CO3 and may constitute up to 50% by weight of the total composition; 12-31% by wt Ni or Co, or up to 1% Pt are specified.  A preferred embodiment for the catalyst preparation comprises mixing a precipitated Group VIII metal compound which is readily converted to the oxide or metal with water, a hydraulic aluminous cement, and optionally further support materials, and curing and drying the mixture with CO2 as specified.
Patent GB-898692-A (GB)
Title: ª-, ª--pentamethylene butyrolactone
IPC: C07D307/94
Filed: 1960-07-01
Abstract: In a process for the preparation of b ,b -pentamethylene butyrolactone, a di-silver salt of cyclohexane diacetic acid is reacted with iodine at a temperature of between about 150 degrees and about 170 degrees in the presence of benzene, toluene, or xylene.
Patent GB-678541-A (GB)
Title: Improvements in or relating to organo-silicon compounds
IPC: C07F7/08
Filed: 1950-09-20
Abstract: The invention comprises organo-silicon compounds of the general formula <FORM:0678541/IV (b)/1> wherein n is an integer less than 3, a is 1 or 2, b is 0 or 1, c is 0, 1 or 2, and a+b+c equals 3.  The compounds may be prepared by reacting a trifluormethyl substituted phenyl Grignard reagent with a chloromethylchlorosilane, e.g. chloromethyl-trichlorosilane and chloromethylmethyldichlorosilane. In the examples, the isomeric (trifluortolyl) (chloromethyl) dichlorosilanes, bis (trifluorotolyl) (chloromethyl) chlorosilanes, (chloromethyl) (trifluorotolyl) methyl chlorosilanes and (chloromethyl) bis (trifluorotolyl) methylsilanes, and the corresponding hexafluoroxylyl silanes are prepared by the Grignard reaction referred to above.  Specification 655,105 is referred to.
Patent GB-1500402-A (GB)
Title: Packing for effecting contact of a gas with a flowing liquid film
IPC: F28F25/08
Filed: 1975-05-27
Abstract: 1500402 Packings for contact heat exchangers IMPERIAL CHEMICAL INDUSTRIES Ltd 23 April 1976 [27 May 1975] 23155/75 Heading B1R [Also in Division F4] A packing for a gas/liquid contact apparatus comprises an assembly of extruded tubes of an inert organic polymeric material e.g. rigid unplasticised PVC, the wall of each tube being provided throughout its length as a plurality of corrugations lying in planes which are transverse to or oblique to the main axis of the tube, each corugation having a depth in excess of the thickness of the tube wall. As shown, the tube comprises saddle shaped portions 1 and spheroidal portions' 2 which are linked by portions 3 to form ridges. Each portion surface may be dimpled.
Patent GB-392891-A (GB)
Title: Improvements in and relating to electromagnetic devices
IPC: H01F7/02
Filed: 1931-08-18
Abstract: 392,891. Electromagnets. GILLET, A. A., 31, Rue de Trois, Bornes, Paris. Aug. 18, 1931, No. 23238. Convention date, Aug. 18, 1930. Void [Published under Sect. 91 of the Acts]. [Class 35.] An electromagnet is formed with a short straight core to which polepieces are attached. Fig. 4 shows such a magnet in section, the core 1 being of parallelopiped shape and the polepieces 2, 3 secured to it by a non-magnetic bolt 4 passing through the whole. Fig. 5 shows an arrangement of two such magnets stated to be useful in electric reproducers for gramophones, loud-speakers, &c.
Patent GB-295688-A (GB)
Title: Improvements in power transmitting belts
IPC: F16G1/22
Filed: 1928-08-13
Abstract: 295,688. GardÞre, P. L. Aug. 16, 1927, [Convention date]. Belts.-Driving belts of leather, hemp, or other material are provided with two or more longitudinal rows 2, 3 of perforation through which one or more strips 4, 5 of leather, hemp or other yielding materials are threaded in zig-zag manner. The perforations may be circular or elongated and may grip the strips on their flat faces. Either side of the belt may form the driving-surface. When the strips are of leather, either the flesh side or the grain side may be exposed. Both sides of the belt will show the same side of the strips. Alternate perforations may be omitted and a single strip used. As shown in Fig. 3, a wider central row of perforations 6 is provided and the strips 8, 9 are inserted as shown to show a chevron formation. Two sets of strips as shown in Fig. 1 may be used or may be combined with two rows of chevrons. Belts with three rows of chevrons and with two rows of chevrons and two rows of strips arranged longitudinally of the belt as described in Specification 277,662 are shown. Chevrons, sloping strips, and longitudinal strips may be used in combination. In the modification shown in Fig. 9, the strips 4, 5 as shown in Fig. 1 are arranged in staggered relation and may be so placed that their edges are in contact. Belts of the kind described may be superposed and connected together, or a smooth belt and a belt of the kind described may be superposed.
Patent GB-1078588-A (GB)
Title: Urine collector
IPC: A61F5/451
Filed: 1966-05-25
Abstract: 1,078,588. Urine collector. HOLLISTER Inc. May 25, 1966 [May 25, 1965], No. 23291/66. Addition to 1,074,344. Heading A4N. [Also in Divisions A5 and B8] A bag to be adhesively attached to the person to collect urine, comprises outer and inner tubes 100, 103 each sealed at an upper common end 102 and at lower ends 101, 104, the tubes also being sealed together at a common urine receiving opening 105 and the inner tube 103 being provided with flaps 108 which act as one way valves to allow the urine to drain into the space provided between the lower ends 101, 104. To provide for attaching the bag to a male or female person, adhesive covered flaps 106 are formed around the opening 105. A hole 109 for draining the bag is sealed with a removable patch 110.
Patent GB-843067-A (GB)
Title: Ester salts of sugars
IPC: C07H13/06
Filed: 1958-07-21
Abstract: The invention comprises ester salts of sugars which are obtainable by reacting a fatty acid ester of a sugar with a dicarboxylic acid anhydride and converting the resulting acid ester into a salt, preferably an alkali or ammonium salt. Preferred products are the potassium salt of the acid phthalic ester of sucrose monostearate and the potassium salt of the acid maleic ester of sucrose monostearate. The reaction is preferably effected by heating the components in a nonaqueous solvent such as dimethyl formamide, the dicarboxylic acid anhydride being used in equimolar quantities or in excess with respect to the sugar ester.  The acid esters may be converted to salts using sodium, potassium or ammonium carbonate either during or after the reaction of the initial components.  Suitable starting materials are the monoesters of sucrose, maltose, lactose or raffinose with lauric, palmitic, stearic or oleic acid.  Preferred dicarboxylic acid anhydrides are maleic, succinic and phthalic anhydrides.
Patent GB-668458-A (GB)
Title: Improvements in and relating to refrigerators
IPC: F25D11/02
Filed: 1950-09-25
Abstract: 668,458. Refrigerators. BRITISH THOMSON-HOUSTON CO., Ltd. Sept. 25, 1950 [Oct. 14, 1949], No. 23445/50. Class 29 In the refrigerator cabinet described in Specification 667,515, the drawer 8 is provided with a scraper 23 which, when the drawer is pulled out, sweeps frost from the bottom 25 and sides of the drawer compartment into a pan 30 situated in the machinery compartment, mounted on runners 32 and provided with a trim piece 33 having a hole 35 for frost. In a modifi- . cation, Fig. 3, a scraper 51 is fixed to the front of the compartment and scrapes frost from the drawer when the latter is pulled out, the frost passing through holes in the scraper into the pan 30. In this embodiment, the drawer itself is refrigerated by an evaporator 41 attached to a drawer shelf . 42 and by an evaporator 39 on the back wall 40 of the drawer, the evaporators being connected to the refrigerating machinery by coiled conduits 43, 44 which allow movement of the drawer.
Patent GB-643583-A (GB)
Title: Improvements in apparatus for guiding cloth and like material
Filed: 1947-08-25
Abstract: 643,583. Feeding webs. DUNGLER, J. Aug. 25, 1947, No. 23457. Convention date, Sept. 10, 1946. [Class 100 (i)] Feelers and detectors ; transverse guiding.- An apparatus for guiding cloth and like material comprises a feeler that is normally displaced against spring means by the selvedge of the material, and a second feeler adjacent the first feeler arranged to be displaced against spring means by the same selvedge when the latter moves over and beyond the first feeler, each of the feelers having electrical contacts that control one or other of two oppositelyacting power-operated guiding means. Two friotionally actuated feelers 2 and 3 are pivotally mounted in a casing 1 and are adapted to rotate about a common axis A. A web 5 passing under guide rollers 6 and 7 is fed across the cover 4 of the casing. The feeler 2 and 3 are urged against the direction of feed of the web by springs 12 and 17 secured at one of their ends to the casing 1. The web is normally in a position in which one of its selvedges grazes the feeler 2. Movement of the selvedge away from the feeler 2 causes the feeler 2 to rotate about the axis A to cause a contact 10 carried at its lower end to close an electric circuit by engaging a contact 11 on the casing 1, thus causing operation of a guiding means (not shown) to move the web back towards the feeler 2. When the web passes over the feeler 2 and contacts the feeler 3 so as to cause it to rotate about the axis A, a contact 15 on the lower end of the feeler 3 completes another electric circuit by engaging a contact 16 on the casing 1 which operates a guiding means (not shown) which moves the web towards the feeler 2. The lateral distance between the feelers 2 and 3 is adjustable so as to, vary the amplitude of the lateral deviation of the web.
Patent GB-809252-A (GB)
Title: Improvements in or relating to magnetic mixing and amplifying devices
IPC: G05B11/01
Filed: 1955-08-15
Abstract: 809,252. Automatic control systems. BENDIX AVIATION CORPORATION. Aug. 15, 1955 [Sept. 10, 1954], No. 23466/55. Class 38 (4). [Also in Group XXXIX] In a magnetic mixing and amplifying device intended to deliver an A.C. output which is a function of three D.C. input signals, comprising two cores with separate A.C. input and output windings and a primary control winding, each primary control winding is energized by a separate one of the three D.C. signals and the third signal is applied to further control windings, one on each core, arranged to produce magnetic flux aiding the control flux on one core and opposing it on the other. In the application of the invention to a control system wherein a variable is controlled by the departure of a first parameter from two limiting values either side of a mean and a second parameter exceeding a limiting value, the device comprising two cores 16, 18 each carrying an A.C. input winding 20, 22 an output winding 24, 26 and two control windings 28, 30, 36, 38 fed by A.C. has control windings 28, 30 connected via a circuit comprising valves 10, 12 in which the phase of an input signal is compared with that of the voltage applied to the anodes to energize winding 28 in response to a value of the first parameter in excess of one of the limiting values and to energize winding 30 in response to the parameter exceeding the other limit, and further control windings 36, 38 which are energized through valve 40 by the other parameter exceeding its limit. The winding 36 is arranged to aid winding 28, and winding 38 to oppose winding 30. Output windings 24, 26 are connected in opposition. Capacitors 44, 46, 48 ensure current flow through substantially an entire cycle. The system may be one in which tail pipe temperature of an aircraft overrides speed control.
Patent GB-668619-A (GB)
Title: Improved thermostatic device for use more particularly with culinary vessels
IPC: A47J27/00
Filed: 1950-09-26
Abstract: 668,619. Temperature alarms. SIMMONS, L. M., SIMMONS, A., and ARNOTT, H. D. Sept. 26, 1950. [Oct. 7, 1949] No. 23566/50. Class 118 (i). A temperature alarm particularly for use with culinary vessels comprises a receptacle designed to be immersed in a liquid to be heated and supported by the vessel and furnished with a gong and a bimetallic element which changes its curvature rapidly at a predetermined temperature causing a striker to strike the gong. As shown a heat conductive tube 10 is adapted to be clipped to the side of a vessel by a clip 13 and carries a striker rod 19 spaced from the walls of the tube by spacers 21, 22 and resting on a concave bimetallic element 20 supported on flutes 18 at the base of the tube. When the desired temperature is reached the bimetallic element suddenly becomes concave, throwing the striker onto a gong 15. The clip is extended to form two legs 14 so that the device may be stood in an inverted position when not in use, resting on the gong and the legs (Fig. 6, not shown). The gong is secured to the legs by a bolt 17 and a long heat insulating washer 16.
Patent GB-460701-A (GB)
Title: Tuner for string musical instruments
IPC: G10D3/14
Filed: 1936-08-28
Abstract: 460,701. Tuning stringed musical instruments. PEATE, G. A. Aug. 28, 1936, No. 23596. [Class 88 (ii)] The tuning of the strings of musical instruments is facilitated by the use of means which indicates visually when the required predetermined tension has been applied to a constant length of string. In a guitar, for example, the six strings 6 are secured by their ball or loop ends in rods 4, screwed into the ends of springs 3 attached at their other ends by screws 22 to the angled end of the tailpiece 2, under an aperture in which slides a transparent plate 7 inscribed with an indicating line 70. Secured on the rods 4 by locknuts 41 are nuts 5 inscribed with lines 50 adapted to be brought into register with the line 70 when the strings 6 are tightened by the tuning pegs at the neck end of the instrument. The correct position of the nut 5 on its rod 4 to obtain the required string pitch is primarily determined by ear. The line 70 may be inscribed on the body of the instrument, in which case only the angled end of the tailpiece is retained.
Patent GB-657702-A (GB)
Title: Electro-magnetic brake device for yarn winding bobbins of flyer-spinning machines
IPC: D01H7/22
Filed: 1948-09-08
Abstract: 657,702. Bobbin-braking devices in flyer spinning machines. BOLELLI, A. Sept. 8, 1948, No. 23609. Convention date, July 16, 1947. [Class 120(ii)] The bobbins of a flyer spinning machine are braked by electromagnetic devices each comprising a permanent magnet in the shape of a disc 1 connected to the bobbin and rotating inside a metal ring 7 provided with pole pieces 8 whereon turns of metal wire 9 are wound each turn forming a closed cir-. cuit. The magnetic disc 1 is connected to the bobbin 2, through pins 10. having heads 3, and to a sleeve 4 rotatable about a spindle 5 fixed to the frame 6 to which the ring 7 is also fixed.
Patent GB-1223338-A (GB)
Title: Hot-curable mixtures based on diallyl phthalate prepolymers
IPC: C08G59/70
Filed: 1968-05-17
Abstract: 1,223,338. Di(meth)allylphthalatepolymerepoxy resin compositions. CIBA Ltd. 17 May, 1968 [18 May, 1967], No. 23622/68. Headings C3B and C3P. A heat-curable mixture comprising (a) a prepolymer or a telomer of a diallyl or dimethallylphthalate, (b) 5 to 50 parts per 100 parts of (a) of an epoxide compound or epoxy resin having an epoxide equivalent greater than 1, (c) a heat-curing agent for (b), (d) a free-radical curing initiator for (a), and, optionally, (e) fillers and/or reinforcing agents and (f) a monomeric diallyl or dimethallyl phthalate. The components may be dry mixed or using a diluent. Of the wide variety of composition components (a) to (f) mentioned, the following are exemplified (a) a diallyl o - phthalate homopolymer, (b) a bisphenol A polyglycidyl ether, an o - cresol novolac polyglycidyl ether, triglycidyl isocyanurate, tetrahydrophthalic acid diglycidyl ester, a cycloaliphatic diepoxide of the formula and o - phthalic acid diglycidyl ester, (c) 4,4<SP>1</SP>- diaminodiphenylsulphone, BF 2  - acetoacetanilide, and 4,4<SP>1 </SP>- diaminodiphenylmethane, (d) t - butyl perbenzoate, (e) kaolin, and (f) diallyl phthalate.
Patent GB-1305859-A (GB)
IPC: B29C65/08
Filed: 1971-04-19
Abstract: 1305859 Seaming non-metallic sheet material COSDEN OIL & CHEMICAL CO 19 April 1971 [24 March 1970] 23667/71 Headings B5K and B5N Two flat plastics surfaces 24, 26 are superposed with particles 28 of a thermoplastic polymer positioned therebetween and are welded together by the application of sonic vibrations thereto at a point near the joint to be formed . The thermoplastic polymer must be heat-sealable to the surfaces. The sonic vibrations are of a sufficiently high frequency and are applied for a sufficient time to melt the particles 28. In examples, (i) high impact polystyrene particles are moulded into a disc and a bar which are sonically welded in face-to-face contact with polystyrene particles sandwiched therebetween; (ii) high impact polystyrene particles comprising polystyrene graft copolymerized with six per cent by weight of high cis transpolybutadiene rubber are moulded into a disc which is sonically welded to a cellulose butyrate sheet with polystyrene particles sandwiched therebetween; (iii) two polyethylene sheets are sonically welded with polyethylene particles sandwiched therebetween, and (d) acrylonitrile butadiene styrene polymer sheets are sonically welded using particles of the same polymer sandwiched therebetween.
Patent GB-1477669-A (GB)
Title: Tool and adaptor for electrical connector unit using insu lation piercing contacts
IPC: H01R43/20
Filed: 1974-05-29
Abstract: 1477669 Miscellaneous tools BUNKER RAMO CORP 29 May 1974 [14 June 1973] 23841/74 Heading B4W [Also in Division H2] A tool 80 is used to push insulated wires into a connector 30 having an insulating block 31 with a section 75 for retaining the wires in the connector and a conductive part 37 having flanges 54, 55 for cutting through the insulation and contacting the wire (Fig. 2 not shown). The tool 80 has guides 84 to grip the wire and pendant portions 81, 83, 86 to push the wire into the conductive part and the retaining section 75. Shoulders 87 of the tool act as stops when they touch the top of the block. In another embodiment the tool 180 (Figs. 9 and 10) comprises a series of lugs 181 with additional lugs 181A and guides 184, and has off-set catches 185, 186 to go round the connector. After use to locate and connect the wires, the tool remains as part of the connector and may be covered with a housing (188, Fig. 15 not shown).
Patent GB-821906-A (GB)
Title: Method of making a food package
Inventor: JR HERBERT RUMSEY
IPC: B65B25/00
Filed: 1957-07-29
Abstract: 821,906. Packages. GRACE & CO., W. R. July 29, 1957, No. 23946/57. Class 94(1). A food package is formed by wrapping the article in a heat shrinkable wrapper with edges overlapping along the article and ends protruding beyond it, twisting the ends and subjecting the package to heat to remove air and shrink the wrapper about the aritlce. The wrapper may be composite with an attached or separate inner printed portion 11 and a thinner outer portion 10. A closure strip 15 consisting of a deformable wire 19 enclosed between tapes 18 may be enclosed by the wrapper, the ends of the strip being twisted in with those of the wrapper to retain the latter in position. The package may be immersed in hot water to produce the shrinking.
Patent GB-837751-A (GB)
Title: Improvements in or relating to sheeted trussed roofs
IPC: E04C3/04
Filed: 1958-07-25
Abstract: 837,751. Sheeted trussed roofs. SILBERKUHL, W. J., KASTL, U., and HAEUSSLER, E. July 25, 1958 [July 27, 1957], No. 23962/58. Drawings to Specification. Class 20(4) A sheeted roof has the sheeting forming the upper cord of a truss, the lower cord of which has connecting members extending both sideways and upwards and connected at both the outer and upper ends to the sheeting. Asbestos cement sheets may be used and they may be corrugated or curved in one or both longitudinal and transverse directions. Synthetic plastics, sheets or metal sheets may also be used.