baber/WOPTO huggingface dataset:
Patent GB-792835-A (GB)
Title: Improvements in or relating to capacitors and electrical capacitive elements
Inventor: WINDEBANK ROBERT WILLIAM
IPC: H01B1/16
Filed: 1955-05-04
Abstract: 792,835. Capacitors. PLANER, Ltd., G. V. May 4, 1955, No. 12930/55. Class 37. A capacitor comprises a ceramic dielectric containing dispersed particles of a substance having a relatively high electrical conductivity, whereby the effective permittivity of the dielectric is increased. The ceramic may consist of an alkaline-earth titanate, while the conducting particles may comprise finely-divided metal of the platinum group, e.g. palladium black, or an alloy of such metals with gold, or finelydivided particles of a conducting ceramic. The conducting particles are added to the ceramic mix before firing; after firing electrodes are formed by vacuum deposition, sputtering or the application of silvering paint.
Patent GB-1345390-A (GB)
Title: Compositions for reflowing organic surfaces
IPC: C08J7/02
Filed: 1971-05-04
Abstract: 1345390 Paint solvents DOW CHEMICAL CO 4 May 1971 [4 May 1970] 12977/71 Addition to 1314711 Headings C4A and C5D A solvent mixture for "reflowing" organic surfaces, e.g. paints, to remove imperfections therefrom, comprises 80-99% by vol. of chlorinated aliphatic hydrocarbon, preferably boiling below 200‹ C., and 1-20% of a glycol ester and/or glycol ether ester boiling below 200‹ C. The glycol ester may be a mono or di acetate, propionate or butyrate, or mixed ester, of ethylene, diethylene, triethylene, propylene or butylene glycol. The glycol ether esters are similarly derived and are listed in the Parent Specification. Examples disclose compositions as follows:- (a) 70% methylene chloride CH 2 Cl 2 , 20% tetrachloroethene, 10% ethylene glycol ether acetate; (2) 60% CH 2 Cl 2 , 30% 1,1,1-trichloroethane, 10% ethylene glycol diacetate; (3) 65% CH 2 Cl 2 , 30% 1,2-dichloroethane, 5% diethylene glycol methyl ether acetate; (4) 75% CH 2 Cl 2 , 23% trichloroethylene, 2% propylene glycol propionate; (5) 60% 1,2-dichloroethane, 30% trichloroethylene, 10% butylene glycol methyl ether acetate; (6) 50% 1,2,3-trichloropropane, 30% 1,2 - dichloropentane, 20% ethylene glycol methyl ether acetate; (7) 85% CH 2 Cl 2 , 15% ethylene glycol methyl ether propionate.
Patent GB-603788-A (GB)
Title: Garment construction
IPC: A41D27/10
Filed: 1945-05-24
Abstract: 603,788. Garment sleeves. AYOUB, J: A. May 24, 1945, No. 13035. [Class 141] A sleeve that gives freedom of movement to the arms is constructed from a blank A which has two triangular projections 2. The blank is joined along the lines 4 and sewn into a regularly-shaped armhole with the sleeve seam 4 in alignment with the side seam of the garment. The edges 11 of the projections 2 are slightly distorted to fit the armhole, causing the surplus material to fold inwardly when the arm is lowered and giving a bellows-like action when the arm is raised.
Patent GB-1384997-A (GB)
Title: Tissue collector
IPC: G01N1/04
Filed: 1973-03-19
Abstract: 1384997 Filtering; collecting and storing tissue UNITED. STATES ATOMIC ENERGY COMMISSION 19 March 1973 [13 April 1972] 13036/73 Heading B1D [Also in Divisions B8 and F2] A device for collecting and storing tissue (e.g. foetus) in a sterile condition comprises a container 1 containing elongated filter 11 and having a valve assembly comprising three plates 2, 3, 4, sealably mounted in its open end. Each plate has an inlet and outlet aperture. Plates 2 and 4 are fixed and plate 3 is rotatable to bring the respective inlet and outlet apertures into or out of alignment. The device may be mounted in a vacuum line of an apparatus for removing a foetus. In use the material to be filtered is introduced into container 1 via inlet tube 8 and filtrate is discharged through tube 10. Any liquid in the container may be replaced by a sterile medium. A tissue specimen is collected in screen 16 which partially covers the inlet aperture of plate 3, this specimen being removed when the valve assembly is in a closed position, by removing plug 15 from aperture 14 of plate 4 which aperture 14 is now in register with inlet aperture of plate 3.
Patent GB-1487010-A (GB)
Title: Laser stud mounts
IPC: H01L33/00
Filed: 1975-04-01
Abstract: 1487010 Lasers STANDARD TELEPHONES & CABLES L td  1 April 1975 13203/75 Heading H1C A semiconductor laser chip 14, Fig. 2; is attached to a heat sink 12 forming part of a laser stud mount comprising the heat sink, a base 10 and a threaded stem 11, one circuit connection to the chip being provided by the stud mount, while the other connection is effected by a metallic strip 16 attached to and insulated from the base 10 and bearing against the chip. A secondary output path for laser radiation, e.g. for monitoring, is provided by a clad light guide 13 extending through the stud. Insulation of the metallic strip from the stud mount is provided either by two annuli of insulating material or by embedding the strip in a single ceramic ring, attachment to the base being effected by epoxy resin or by metallizing and soldering. In a modification, Fig. 8, the metallic strip 80 is cranked as shown so as to be uniformly spaced from the base and heat sink. In a further modification, Fig. 9, the metallic strip 90 is bifurated. A side entry rectangular light guide 50 is provided in the stud mount shown in Fig. 5, the internal end 53 of the guide being chamfered to provide light entry reflecting surface. The light guides may terminate in a lens element. The stud mount may be formed wholly of copper, or comprise a copper heat sink attached to a leadfree steel base and stem.
Patent GB-1166718-A (GB)
Title: A Valve Assembly for High Pressure Compressors
Inventor: WAIBEL ANTHONY JOSEPH
IPC: F04B39/10
Filed: 1967-03-21
Abstract: 1,166,718. Compressors. INGERSOLLRAND CO. March 21, 1967, No.13232/67. Heading F1N. A compressor comprises a cylinder 10 and a coaxial valve assembly 28 separated by an annular clearance space 38 from an enclosing casing 16, the space 38 being supplied with fluid before or after compression by a piston 14 reciprocating in the cylinder 10 to thereby subject the cylinder and valve assembly to an external compressive force. The valve assembly is formed from three cylindrical members 30, 32, 34 having inlet passages 48, 50, 58 controlled by spring-loaded poppet or ball type inlet valves 54 and outlet passages 60, 62, 64, 72 controlled by spring-loaded poppet or ball type outlet valves 68. Fluid is communicated to the inlet passages 48 through an inlet 44 and a circular chamber 46 both formed in an end member 22 closing the casing 16. After compression the fluid passes from the outlet passages 72 formed as grooves in the periphery of the member 30 and the cylinder 10 into both the clearance space 38 and an annular passage 74 communicating with a compressed fluid outlet 76 in the casing 16. In an alternative embodiment Fig. 5 (not shown), the valve assembly 28 is modified, whereby the outlet 76 and inlet 44 are reversed and hence the space 38 is pressurized by the fluid entering the compressor.
Patent GB-132331-A (GB)
IPC: F16C17/03
Abstract: 132,331. Newbigin, H. T. Sept. 9, 1918. Channels in bearings and cranks.-A journal bearing for shafts, eccentric-straps, connecting-rods, &c., con. sisting of rocking blocks arranged in pairs in members rocking in a housing, is formed with oil chambers at the ends. Grooves w in a crank pin form oil chambers, to which oil is introduced through a pipe x.
Patent GB-132736-A (GB)
IPC: B65D41/04
Abstract: 132,736. Hancock & Corfield, and Waller, W. H. April 9, 1919. Stoppers, bayonet-joint; stoppers, connexions to prevent loss of; stoppers, scaling-wires for; stoppers fitted with withdrawing-devices.-A bayonet-joint cap for a petrol or like can is provided with a handle to permit of its being readily removed. The spout c, Fig. 2, of the can a is provided on its outer surface with lugs c' having inclined under surfaces, and the cap d is provided with an internal channel in which the lugs engage, openings being provided in the channel to allow of the passage of the lugs. The inclined surfaces of the lugs c', on engagement, cause the cap to be drawn down together on to the washer c<2>. A handle e, Fig. 1, is formed integral with, or connected to, the cap, and is so placed that, when the cap is secured, it lies beside the handle b of the can. A chain g may connect the handle e to the can to prevent loss of the cap when removed, and unauthorized removal of the cap may be prevented by securing the handle of the cap by a wire &c. to the handle of the can.
Patent GB-337755-A (GB)
Title: Controlling apparatus for traffic signalling installations
IPC: G08G1/081
Filed: 1929-04-29
Abstract: 337,755. Siemens & Halske Akt.-Ges. Feb. 16, 1929, [Convention date]. Void [Published under Sect. 91 of the Acts]. Road signals.-In a traffic signalling installation in which the signals at a number of points are controlled from a. central station, signalling lamps, red, yellow and green, at each point are controlled by relays actuated by a stepping switch and contact banks operated by current impulses from the central station. A primary current impulse from the central station 3 over trunk lines 1, 2 operates a polarized relay 30 and closes a contact 31 of the lamp circuit, until, at the end of the signalling a reverse current is sent to open it. A hand-operated switch 30a is also provided. Further impulses cause the rotating magnet 5 to step forward arms 6, 7 over corresponding banks 10, 11. The contact bank 10 energizes through switches 16, 20 one of the relays 21, 22 according to the position of the arm 6 on the bank 10, the remaining banks 11, 12, 13, which may be used instead of the bank 10 by operating the appropriate switches 16 - - 19, enabling the sequence of energizations of the relays 21, 22 to be varied. The lamp circuit being closed at the contact 31, energization of relay 21 opens switch 21a and closes 21b, extinguishing the yellow lamp 24, (alight when the arm 6 is over a space, as shown), and lighting the red lamp 23. Further rotation of the arm 6 causes de-energization of relay 21., the yellow light appearing, and afterwards energization of relay 22 when switch 22a is opened and 22b causing illumination of the green lamp 25 and extinguishing of the yellow lamp 24. In a modification, the sequence of energization of the relays is obtained by a cam shaft stepped by the central station impulses through an electric motor controlled by one of the cams on its shaft. The shaft may also be driven by clockwork.
Patent GB-132948-A (GB)
IPC: F26B15/24
Abstract: 132,948. Wainford, R. H. Dec. 3, 1918. Racks, moving.-A drying-stove for pottery ware comprises a double-walled chamber 1 having pairs of upper and lower sprocket wheels 9, 10 over which pass continuous chains 15 carrying ware-boards consisting of slats 17, Figs. 4 and 5, connected by bolts and supported at each end by braces 19 from the bolts connecting adjacent links of the chain. Air heated by steam pipes 25, 30 passes upward between partitions 29, and is drawn away through perforated pipes 31 and discharged outside the building.
Patent GB-1222429-A (GB)
Title: Zipper lubricator and lubricant
Inventor: BAXTER BENJAMIN DANIEL
IPC: F16N15/00
Filed: 1968-03-19
Abstract: 1,222,429. Lubricator. B. D. BAXTER. 19 March, 1968 [27 March, 1967], No. 13310/68. Heading F2A. A slide fastener lubricator comprises a circular housing having flanges 3, 4, Fig. 2, with solid lubricant 2 therebetween, said flanges being provided with sloping inner surfaces 5, 6. In use a row of fastener-elements is received between the flanges 3, 4 so that, as the lubricator is pressed on to and moved over the slide fastener, the fastener is guided by the surfaces 5, 6 and is engaged by the lubricant 2. The surfaces 5, 6 also serve to protect adjacent portions of fabric, to which the elements are secured, from contact with the lubricant. The housing 1 may be made of synthetic plastics material, for example; and is provided with a hole 7 to permit the attaching of a key chain, for example. The solid lubricant 2 may be paraffin-wax. In modifications the body may be formed of flanged portions 43, 44, Fig. 5; the body may be formed of flanged portions 63, 64, Fig. 6, which have solid lubricant 62 and are riveted together by means of a rivet 67A; and the body may be as shown in Fig. 3, having flanges 33, 34 which terminate at 11, 11A respectively.
Patent GB-595240-A (GB)
Title: Improvements in or relating to coating compositions, particularly paper coating compositions, and processes of preparing the same
IPC: D21H19/54
Filed: 1943-08-16
Abstract: A coating composition, e.g., for paper, comprises finely divided clay, water, and heat-pasted, thin-boiling peroxide oxidized cereal starch, said starch having a Scott viscosity of 45 to 55 seconds and a Stormer viscosity of 35 to 50 seconds.  The starch is treated with peroxide of hydrogen or of an alkali metal below the gelatinization temperature, in the presence of copper, manganese, or a compound thereof, e.g., 0.1 per cent. of copper sulphate.  The starch may be pasted in 2 1/2 times its weight of water at 200-205 DEG F.ALSO:Starch for paper coating compositions is pasted e.g. at 200-205 DEG F., and is thin-boiling and peroxide-oxidized cereal starch, e.g., maize, having a Scott viscosity of 45 to 55 secs. and a Stormer viscosity of 35 to 50 secs.  The treatment with peroxide e.g. of hydrogen or an alkali metal being in the presence of metallic copper, or manganese or of a compound thereof e.g. 0.1 per cent. of copper sulphate.
Patent GB-757139-A (GB)
Title: Process for producing uronic acids
Inventor: WHITTINGHAM BARRON SILVIN
IPC: C07H7/033
Filed: 1954-05-07
Abstract: The yield of uronic acids in the acid hydrolysis of pectins, pectic acid and polymerized uronic acid compounds is increased by addition to the mixture of hydrolysing acid and pectin, pectic acid or polymerized uronic acid compound a water-soluble salt of a polyvalent metal of variable valency in which the metallic ion is in reduced form.  The salt is said to act as an inhibitor by preventing the degradation of the uronic acid formed to furfural, carbon dioxide and water.  The hydrolysis is preferably carried out at 109-142 DEG  C. and 5-40 lb. gauge pressure for approximately 5-60 minutes.  It is preferred to use a mineral acid such as hydrochloric, sulphuric, sulphurous, nitric or phosphoric for the hydrolysis, but organic acids such as oxalic, lactic, citric trichloracetic or monochloracetic may also be used.  The preferred inhibitors are the water-soluble salts, such as chlorides, sulphates, phosphates and oxides, of the following metallic ions: cobaltous, nickelous, cuprous, manganous, stannous, ferrous and mercurous.  In an example, citrus pectin is hydrolysed with hydrochloric acid in the presence of stannous chloride.  The hydrosylate is brought to pH 4-6 with sodium hydroxide and is then reduced to a syrup by evaporation in vacuo and then treated with an alcohol-water mixture.  Impurities are filtered off and after charcoal purification the above evaporation and alcohol water treatment is repeated several times to yield finally D-galacturonic acid.  In further examples the same acid is obtained from pectic acid by hydrolysis with hydrochloric acid in the presence of ferrous sulphate and from citrus pectin by hydrolysis with oxalic acid in the presence of stannous chloride, glucuronic acid is prepared from gum tragacanth and hydrochloric acid with nickelous chloride, and mannuronic acid from sodium alginate and hydrochloric acid with ferrous sulphate.  Other materials mentioned which yield D-galacturonic acid are flaxseed mucilage and Iceland moss.
Patent GB-725214-A (GB)
Title: Improvements in or relating to a sealed wheel mounting
IPC: F16C33/78
Filed: 1953-05-14
Abstract: 725,214. Stuffing-box substitutes. BASSICK CO. May 14, 1953 [May 28, 1952], No. 13515/53. Class 122 (5). [Also in Group XXXIV] A wheel-bearing arrangement, particularly for caster wheels, comprises an axle 26 extending through a cylindrical bore 23 in the wheel hub 22, a roller bearing disposed between the axle 26 and bore 23, and end sealing devices 40 secured in the wheel hub, each comprising an inner washer 41 and an outer member 42 between which is defined an annular chamber in which an O-ring tightly embracing the axle 26 is disposed. The O-ring is coated with grease to provide an effective seal. The bearing comprises cylindrical rollers 30 located in end rings 31 and the outer race comprises a thin resilient split sleeve 32. The member 42 may be press fitted or screwed within the bore 23 or, alternatively, it may be held in position by an outer annular sheet metal member which is press fitted in the bore. The members 41, 42 may be of sheet metal, and various shapes are described. A cap may be secured to the outer end of the hub.
Patent GB-568106-A (GB)
Title: Improvements in electric tumbler switches
IPC: H01H23/16
Filed: 1943-08-20
Abstract: 568,106. Tumbler switches. WALSALL CONDUITS, Ltd., and GOUGH, E. Aug. 20, 1943, No. 13575. [Class 38 (v)] A tumbler switch with positive actuation. comprises a dolly and U-shaped movable contact iarru 14, co-pivoted at 12 and interconnected by a spring-link structure pivoted at 28 and 30 to the dolly and contact arm, respectively. A. channel-section slide 18 is suspended from pivot 12 by means of a slot 13 in each' side-flange and carries lateral projections 22 engaging slots 23 in the ends of the contact arm. A cut-away part of the slide-base has upturned lugs 27 for driving engagement by jaws 26 riveted to the head of the stem 24 of the link. The stem 24 passes through a hollow T-shaped head 32 which carries the pivots 30 and forms one abutment of the spring. If the latter breaks, one of the jaws 26 after taking up the lost motion, engages the lug 27 to drive the slide and movable contact positively.
Patent GB-784738-A (GB)
Title: Improvements in the manufacture of tubular elements
IPC: B21C37/29
Filed: 1956-05-03
Abstract: 784,738. Friction grip fastenings. HUET, A. May 3, 1956 [May 6, 1955], No. 13734/56. Class 44 [Also in Groups XXII and XXXIV] A friction grip fastening comprises a casing h inside which are mounted a ball or roller i, a stack of Belleville washers j and an adjustable stopper k.
Patent GB-985086-A (GB)
Title: Improvements in or relating to water heaters
IPC: F23N1/08
Filed: 1960-04-19
Abstract: 985,086. Valves. R. G. SARGENT, and S. A. RADLEY. April 18, 1961 [April 19, 1960], No. 13735/60. Heading F2V. Water to be heated enters the housing 1 of a throttle valve 2 before passing to the lower of two chambers formed by a diaphragm 3, which chamber leads via a Venturi 5 and a heat exchanger 7 to an outlet pipe 9; a duct 8 connects the upper diaphragm chamber with the Venturi throat. A bypass across the Venturi 5 is controlled by a thermally-responsive valve 14. The diaphragm 3 controls the movement of a gas or liquid fuel valve 10 in a pipe 11 leading to a bunker 12; a flow governer 18 is disposed in the pipe 11. Upon the inlet-water temperature rising beyond a given value, the valve 14 opens permitting an increased water flow through the bypass; the balance of forces on the throttle valve 2 is upset and the diaphragm deflects to open the valve 2 permitting an increased water flow. When the inlet water temperature returns to its original value the valve 14 closes and the valve 2 readjusts its position to reduce the water flow. The water temperature in the pipe 9 is thus held at a constant level by varying the water flow. Specification 636,258 is referred to.
Patent GB-975459-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: C03C17/22
Filed: 1961-04-17
Abstract: In an aqueous suspension of graphite, containing a zinc oxide filler, and a silicate, phosphate or borate adhesive, the graphite has a heterogeneous distribution by weight with respect to grain size throughout the range of grain sizes 0 to 50 m , with the two highest peaks in the distribution curve lying one within the range 0 to 5 m and the other within the range 20 to 50 m . The suspension, which may also contain dextrine, is applied as a conductive coating on electric discharge tubes.  Reference has been directed by the Comptroller to Specification 925,521.
Patent GB-984305-A (GB)
Title: Hydroxylamine derivatives and process for making them
Inventor: DRAIN DAVID JOHN
IPC: C07D209/48
Filed: 1962-04-10
Abstract: The invention comprises compounds of general formula <FORM:0984305/C2/1> wherein the hydroxyl group shown is in the 2-or 4-position, X represents a hydrogen or halogen atom, and n is 1 or 2; their acid addition salts; and their preparation by reacting hydrazine with a compound of formula <FORM:0984305/C2/2> where R is an alkyl or aryl radical and -OSO2R is in the 2- or 4.position, and hydrolysing off the RSO2 - group from the 2 - or 4 - benzenesulphonyloxy-Xn-benzyloxyamine intermediate.  5 - Chloro - 2 - benzenesulphonyloxytoluene and 3 - bromo -, 3,5 - dibromo -, and 3,5 - dichloro-4-benzenesulphonyloxytoluenes are prepared using benzenesulphonyl chloride and appropriate hydroxytoluenes.  Benzyl bromides obtained are 2-benzenesulphonyloxy - 5 - chloro - benzyl bromide from the toluene and N-bromosuccinimide with benzoyl peroxide, and the 2 - and 4 - benzenesulphonyloxy -, 4 - benzenesulphonyloxy - 3 - bromo-, 4 - benzenesulphonyloxy - 3,5 - dibromo -, 4-benzenesulphonyloxy - 3,5 - dichloro - benzyl bromides from the toluenes by bromination with irradiation. Benzyloxyphthalimides II are obtained by reacting the above benzyl bromides with N-hydroxy - phthalimide with triethylamine present. Salicylaldehyde - 3 - bromo - 4 - hydroxybenzyl-oxime is obtained from the appropriate compound I.
Patent GB-544344-A (GB)
Title: Improvements relating to valves and combustion chambers of four-stroke internal combustion engines
IPC: F02B75/02
Filed: 1940-09-04
Abstract: 544,344. Valves ; cylinders. TOMKINS, W. C. Sept. 4, 1940, No. 13842. [Classes 7 (ii) and 7 (vi)] Inlet and exhaust passages 20 are controlled by flat slide valves 25 formed with ports 30 and with flanges 26 operating in chambers 24, wedge-shaped packing-washers 31 being split and arranged to expand in corresponding recesses at each side of the valves. A form of  grooved cam for actuating the valves is also described. The valves are shown in connection with an engine having an annular rim 17 on the piston meeting a corresponding rim on the cylinder head, and surrounding a cavity 14, which together with an opening 15 in the cylinder end and a cavity 16 in a detachable cover 11, constitutes the combustion chamber. Specification 489,262 is referred to.
Patent GB-1510703-A (GB)
Title: Low pressure gaseous discharge lamps
IPC: H01J9/36
Filed: 1975-04-04
Abstract: 1510703 Lamp bases WESTINGHOUSE ELECTRIC CORP 4 April 1975 [5 April 1974] 13848/75 Heading H2E A tubular gas discharge lamp formed as a circle with its two ends facing one another has a base of resilient insulating material comprising a pair of segments 20, 21 which snap together to enclose and span the said ends and provide terminals 33 for connection to a power supply. Lugs 29, 31 are tapered and splayed and may be provided with projections 30, 32 to aid interlocking. Projections 23-26 may be provided to co-operate with recesses in the envelope of the lamp and prevent relative rotation. A method of moulding such bases is also disclosed in which the taper of the lugs 29, 31 ensures ease of release from the former.