baber/WOPTO huggingface dataset:
Patent GB-944433-A (GB)
Title: An improved acoustical panel
IPC: F16S1/04
Filed: 1960-04-12
Abstract: 944,433. Laminates. OWENS-CORNING FIBERGLAS CORPORATION. April 12, 1960 [April 24, 1959], No. 13075/60. Heading B5N. [Also in Division D1] An acoustic panel comprises a base layer 28, Fig. 1, of heat or sound-insulating material, e.g. of glass fibres bonded with a melamine and phenol-formaldehyde resin mixture, a cover layer 11 of greater mechanical strength, e.g. of woven glass cloth impregnated with a vinylmelamine resin, the cover layer having perforations 12, and a porous intermediate layer 14 formed with cavities or depressions such as 16 which register with the perforations 12. The intermediate layer 14 may be of bonded glass fibres secured to the base by rubber adhesive, and the cavities 16 may consist of frustoconical depressions in both faces of the layer preferably formed by pins 64, Fig. 10, in mould plates 58, 62, secured to the lower and upper platens of a press. In modifications the interlayer 14 may be moulded with cylindrical perforations instead of the cavities 16, or may be formed, by pressing, with corrugations, circular protrusions on each side with corresponding depressions on the opposite side thereto, or protrusions on each side registering with one another. Alternative materials for the panel are, for the cover layer, metal, plastics, paper, cardboard, fibreboard, or asbestos, in the form of sheets, woven cloth, or mats; for the interlayer, and base, natural or synthetic fibres, or foams of polystyrene, polyurethane, cellulose acetate, phenol formaldehyde or polyvinyl chloride. Alternative binder materials are epoxy-ureaformaldehyde, and polyester resins. Specification 944,434 is referred to.
Patent GB-561368-A (GB)
Title: Improvements relating to contact process sulphuric acid plants
IPC: C01C1/246
Filed: 1942-09-16
Abstract: 561,368. Sulphuric acid. SIMONCARVES, Ltd., and BARRITT, R. J. Sept. 16, 1942, No. 13078. [Classes 1 (ii) and 9.0] Exit gases from a contact sulphuric acid plant are scrubbed in a tower 4 with ammoniacal liquid, which is recirculated. A purge containing 30-40 per cent of ammonium salts is withdrawn from the system and heated in an autoclave 11 to convert the products into ammonium' sulphate, recovered by crystallisation in evaporator 13 and centrifuge 14, and. sulphur, which may be returned to the acid making process.
Patent GB-834683-A (GB)
Title: Improvements relating to personal service connectors for the crews of aircraft
Inventor: HIGGS DERRICK ARTHUR
IPC: B64D10/00
Filed: 1957-04-25
Abstract: 834,683. Hose connectors. HYMATIC ENGINEERING CO. Ltd. July 25, 1958 [April 25, 1957], No. 13171/57. Class 99(1). In a personal service connector for an airman in an aircraft having an ejector seat, comprising an airman's unit a, a seat bracket and a supply unit, the latter providing normally the airman's oxygen supply and the anti-g pressure for the airman's " g " trousers, when the airman leaves the aircraft with the ejector seat, a connection q between the anti-g line on the airman's unit and the oxygen supply on the airman's unit is opened by a valve arrangement, which connection is closed when the ejector seat is in its normal position on the aircraft, the connection when open being controlled by a non-return valve r and a bleed hole r<SP>1</SP>, the former preventing rapid air dilution of the emergency oxygen supply in the event of the airman ejecting during a high " g " manoeuvre, and the latter allowing the " g " trousers to deflate gradually to the pressure of the oxygen supply. As shown, the unit a has an oxygen connection b and an anti-g connector c held in position by a cotter p and in which is arranged a slidable sleeve e, in gastight relationship with the unit, and located above the sleeve is a ring f positioned by a circlip f<SP>1</SP> and carrying radial pins h for the support of a valve guide i. The latter contains a slidable valve k forced by a spring m on to a seat in the sleeve e when the ejector seat is detached from the supply unit. On ejection of the 'seat from the aircraft, the supply unit is detached and allows the spring m to push the valve k and sleeve e to the postion shown in Fig. 3, when the space t is opened in the anti-g unit which is put automatically into communication with the oxygen supply by the passage q. In a modification, the oxygen connection b, Fig. 4, has an annular groove in the shank thereof which communicates by radial holes v with the interior of the connection and a flexible ring w acts as a non-return valve ; a bleed hole x allows a slow rate of return flow of oxygen from the passage q to the connection b. Specifications 786,078 and 803,531 are referred to.
Patent GB-1310244-A (GB)
Title: Gas cushion vehicles
IPC: B60V1/16
Filed: 1970-03-19
Abstract: 1310244 Fluid cushion vehicles AEROJETGENERAL CORP 19 March 1970 [19 March 1969] 13185/70 Heading B7K The flexible skirt 12 of a fluid cushion vehicle is equipped with skirt restraining means comprising one or more pairs of substantially triangular tie-membranes 18, 20 disposed within the fluid cushion chamber 14 and secured to the skirt 12 at substantially opposite locations 22, 24 and to the vehicle base 10 along substantially parallel lines, so that the skirt adopts a non- circular configuration in plan view upon the introduction of pressurized fluid into the chamber. The free edges 26, 28 are each shorter than the edges attached to the base 10. Should the vehicle pass over an obstacle when in motion, the membrane and the attached portion of skirt fold back into the cushion chamber upon impact, leaving the remainder of the skirt and membranes unaffected; owing to the triangular shape of the pairs of membranes 18, 20, the obstacle may touch only some of the membranes.
Patent GB-202033-A (GB)
Title: Rust free protective cover for fellies with indiarubber tyres
IPC: B60B21/12
Filed: 1922-05-10
Abstract: 202,033. Nielsen, H. F. May 10, 1922. Protecting - devices at rim. - To prevent contact between the tyre edges and the wheel rim, the latter is lined with a strip 4 of rolled tin or other non- rusting material. Reference has been directed by the Comptroller to Specifications 22967/97, 444/02, and 25410/09.
Patent GB-132163-A (GB)
IPC: D05B37/04
Abstract: 132,163. Fairweather, W., (Singer Manufacturing Co.). Jan. 3L, 1919. Sewing-machines; trimming or cutting. - The cutter-carrying lever is mounted independently of the actuating-lever and can be coupled to it at will. An actuating-lever 21 has a short notched arm 23, and a cutter-carrying lever 25 carries also a spring-pressed latch 37 having a tooth 38 which, when engaged in the notch 24, couples the cutter lever to the actuating-lever. By pressing the end 39 of the latch to the left, the cutter lever is moved into an inoperative position, and is held there by the engagement of a toe 41 on the latch with a fixed notch 42. In the inoperative position, the cutter blade closes the opening in the presser-foot through which the upturned edges of the fabric would otherwise project. Specifications 122,862 and 122,863 are referred to. 162
Patent GB-132867-A (GB)
IPC: B41F27/10
Abstract: 132,867. Jackson, W. J. Mellersh-, (Goss Printing Press Co.). Sept. 24, 1918. Printing-surfaces.-A plate-clamp for securing electrotype, stereotype, and other plates on slotted beds or cylinders comprises a clamping-jaw on a body part fitting the slot. and recessed or cut away for a movable member which may be moved laterally, by a rotatable screw member, to grip the sides of the slot. As shown, the jaw 1, which engages the plate 4, may be integral with the body 6, with fits in and is movable along the slot 7 in the bed 5. The slot and body preferably have undercut or inclined sides as shown. The lower part of the body 6 is cut away on one side for the movable member 14, which may be forced laterally to grip the slot by the conical head 11 of a screw 10 engaging a tapped hole in the body and operable by means of a screw-driver slot 12. Semi-conical recesses are formed in the body 6 and member 14 for the head 11 to engage.
Patent GB-108233-A (GB)
Title: Artificial Tooth.
Inventor: GLENN THOMAS FRIERSON
IPC: A61C13/093
Filed: 1916-09-19
Abstract: 108,233. Glenn, T. F. Sept. 19, 1916. Teeth, artificial.-An artificial tooth 5 for vulcanite or other work is formed with a recess 10 preferably open towards the root of the tooth and bounded laterally and incisively by undercut walls 12, 13, 14. A counter recess 16 extends labially into the body of the tooth and may be of cylindriform or other contour.
Patent GB-995802-A (GB)
Title: Improvements in and relating to polymers
IPC: C08L23/12
Filed: 1963-04-03
Abstract: A composition comprises a blend of (1) from 20 to 99% of a solid homopolymer or copolymer of a mono-alpha-olefin and (2) from 1 to 80% of a copolymer containing from 99.5 to 50% of interpolymerized ethylene and from 0.5 to 50% of an interpolymerized comonomer of formula <FORM:0995802/C3/1> <FORM:0995802/C3/2> <FORM:0995802/C3/3> <FORM:0995802/C3/4> <FORM:0995802/C3/5> <FORM:0995802/C3/6> or <FORM:0995802/C3/7> where each R is hydrogen or a C1- 4 alkyl, R1 is hydrogen or methyl, R2 is hydrogen or substituted or unsubstituted C1- 5 alkyl, R3 is an alkyl or aryl group of C1- 10, R4 is a hydrocarbon of C1- 14, X is hydrogen, an alkali metal or an epoxy alkyloxy group containing up to 10 carbon atoms and Y is hydrogen, an alkali metal or an ammonium ion.  Illustrative of compounds (A) are N-vinylpyrrolidone, and the following substituted N-vinyl pyrrolidones, 3-(4- or 5-)methyl-, 3,4-(3,5- or 4,5-)dimethyl-, 3-(4- or 5-)ethyl, 3-(4- or 5-)propyl and 3-(4- or 5-)butyl indole (B) are N-vinyl succinimide and its 3-methyl or 3-ethyl or 3-propyl or 3-isopropyl or 3-butyl or 3,4-dimethyl substitutions; (C) gives acylamide, methacrylamide N - (N1, N11 - dimethylaminopropyl) acrylamide and sodium-2-acrylamido-2-methylpropane sulphonate; (D) acrylic acid, glycidylacrylate, 2 - 3 - epoxybutyl acrylate, 1 - 2 - epoxyhexylacrylate, 1 - 2 - epoxydecylacrylate, methacrylic acid, and sodium potassium acrylates; (E) vinyl sulphonic acid and its potassium, lithium and sodium salts; (F) are vinyl acetate, propionate, butyrate, 2-ethylhexanoate, decanoate, benzoate, toluate and naphthoate; where (G) gives the following vinylphosphine oxides, dimethyl, diethyl, methylethyl, dipropyl, dibutyl, dipentyl, dioctyl, di-2-ethylhexyl, didecyl, diphenyl, ditolyl, dibenzyl and dinaphthyl Polypropylene is the preferred polymer of mono-alpha-olefin.ALSO:Fibres made from a composition comprising a blend of (1) from 20 to 99% of a solid homopolymer or copolymer of a mono-alpha-olefin and (2) from 1 to 80% of a copolymer containing from 99.-5 to 50% of interpolymerized ethylene and from 0.-5 to 50% of a comonomer (see Division C3) are dyed.  The dyes may be acid, disperse, soluble vat, azoic and premetallized dyes.  In a typical procedure with the acid dyes and premetallized dyes a 50 to 1 dye bath ratio is used, the bath containing 1% of a methyl polyethanol quaternary amine, 2% sulphuric acid and 3% of the dye. The dyeing is for 90 minutes at boil.  When a disperse dye is used a typical bath contains 1% N-methyl-N-oleoyl taurate, 2% disperse dye, a dye bath ratio of 40 to 1 and a one hour boiling period.
Patent GB-851622-A (GB)
Title: Improvements in duplex pipeline strainers
Inventor: POWELL JOHN WILSON
IPC: B01D35/02
Filed: 1958-04-26
Abstract: 851,622. Filters. LANCASTER & TONGE Ltd. July 21, 1959 [April 26, 1958], No. 13310/58. Class 46. That one of a pair of outward-flow cylindrical strainer elements (in parallel) not being used is washed by sprays of high-pressure water from a perforated pipe J and is simultaneously rotated by a hand wheel O through gearing L, washings being discharged at P. Valves E operated by hand-wheels E<SP>1</SP> meanwhile obturate the inlet and outlet of the chamber in which the element being washed is located.
Patent GB-1010272-A (GB)
Title: Improvements in or relating to safety harnesses
Inventor: PRAGNELL JOHN JAMES MUIR
IPC: B60N2/28
Filed: 1961-04-13
Abstract: 1,010,272. Safety harness. IRVING AIR CHUTE OF GREAT BRITAIN Ltd. April 3, 1962 [April 13, 1961], No. 13362/61. Heading A3V. A vehicle safety harness, particularly for children, comprises anchor straps 12 and 13 mounted at strong points 10 and 11 on the vehicle or seat and passing tightly over the back rest of the seat. Both straps are threaded through one slot of a buckle 16 where they cross at about mid-shoulder height of the user and a harness strap 8 is threaded through the other slot. The strap 8 is also secured to the straps 12 and 13 respectively fixedly or adjustably (as shown) by means of two part friction buckles 14, the strap 8 passing through a slot 15 in one buckle part which is threaded on a loop of the strap 12 or 13 projecting above the other buckle part. At its ends the strap 8 carries a quick release buckle 9. Running engagement of the strap 8 at least with the buckle 16 allows the wearer to turn one shoulder forward. The lap portion of the harness may instead of being integral with the strap 8 as shown be a separate strap or straps secured to the buckles 14. The straps 12 and 13 may pass through slots 18 in a cushion 17 and a crutch strap (not shown) may be attached at one end to the cushion or strap 12 and/or 13 and at the other end to the strap 8.
Patent GB-1522405-A (GB)
Title: Valve timing mechanisms
IPC: F01L13/00
Filed: 1976-04-02
Abstract: 1522405 IC engine valve gear S W MITCHELL 2 April 1976 13370/76 Heading F1B The valve timing of an I.C. engine is governed by crank-shaft driven plates 12, 19 mounted on a pivoted arm 15 to drive inlet and exhaust camshafts 7, 17 via an eccentric linkage comprising slots 27, 31 in the plates which receive followers 26, 30 supported eccentrically by cam-shafts 7, 17, the centres of plates 12, 19 being movable relative to the cam-shafts to vary the valve timing in accordance with engine operating conditions e.g. engine load or speed. Under certain conditions (preferably high speed), the centres of plates 12, 19 coincide with the axes of cam-shafts 7, 17; as the operating conditions alter (e.g. the speed falls), an actuator 20 pivots arm 15 about the shaft 16 of a gear forming part of the drive from the crankshaft 11 and causes displacement of the plates relative to the cam-shafts to delay valve opening and advance valve closing. The actuator 20 comprises a piston which is subject to balancing oil pressures giving rise to an equilibrium position which may be varied by a control piston coupled to a device for sensing engine speed and inlet manifold vacuum indicative of engine load.
Patent GB-787408-A (GB)
Title: Improvements relating to lubricating systems for internal combustion engines
IPC: F01M1/10
Filed: 1955-05-09
Abstract: 787,408. Filters. DAIMLER-BENZ AKT.- GES. May 9, 1955 [May 10, 1954], No. 13421/55. Class 46. [Also in Group XXXIV] In a lubricating system for an internal combustion engine a fine filter 12, Fig. 1, preferably a micro-filter, a by-pass 19 with a constricted cross-section 18, and a pressure relief valve 17 are arranged to afford three branch passages which are in parallel with one another and which reunite in the lubrication circuit. The relief valve may be constructed to provide itself the constricted by-pass, the valve 28, as shown in Fig. 4, being formed with a constricted bore 26 through which oil can pass even though the valve is closed. In a modification the seat of the ball valve has two narrow slots which permit the oil to escape past the valve. The by-pass and relief valve may both be mounted within the filter housing as shown in Fig. 5, a filter element 29 being provided in series with a micro-filter 30, the interior of which is filled with paper-like material. In the filter 29 the liquid passes through very narrow gaps between annular discs or turns of a flat helix. A relief valve 45 is provided between the inlet 33 and the outlet 34, and a second relief valve 47 is arranged in parallel with the filter 30. A constricted bore 48 is connected in parallel with the relief valve 45, and this bore may be made adjustable by the provision of a screw-threaded needle. A constricted bore 48<SP>1</SP> may be provided in addition to, or instead of, the constricted bore 48.
Patent GB-611661-A (GB)
Title: Improvements in or relating to the manufacture of files or other similar articles
IPC: B23B31/36
Filed: 1946-05-03
Abstract: 611,661. Mandrels. ENGLISH STEEL CORPORATION, Ltd., SQUIRE, J. L., and FIELD, A. P. May 3, 1946, No. 13489. [Class 83 (iii)] A mandrel for holding workpieces to be shaped into files comprises a body member 1 formed with longitudinal recesses 5 shaped and proportioned to receive the workpieces 6 and to position them relative to the axis of the mandrel; collars 7 and 8 having set-screws 9 and 10 respectively hold the workpieces in the recesses. Centres 11 are provided to enable the mandrel to be rotated in a machine for the purpose of forming the exposed surfaces of the workpieces which, alternatively, may be held in place magnetically or by means of spring clips.
Patent GB-135441-A (GB)
IPC: H04L27/04
Abstract: 135,441. Sansom, W. E. June 20, 1919. Morse and like code transmitting-arrangements -Automatic apparatus for transmitting by wireless a pre-arranged Morse message is primarily designed for use on a buoy thrown overboard by a vessel in distress, but is capable of other uses, as at a directional wireless station. Fig 3 shows the upper part of a buoy with the message-drum 20, the motor 19 that drives it, and tho transmitting-key 21 which is operated by the messagedrum. Fig. 6 is a plan view of the message drum. Plungers not shown in Fig. 6, of lengths corresponding to dots and dashes, are arranged side by side in pairs, as at 26, 27, Fig. 12, in the helical groove 23 so as to be set by means of keys 25. A message built up of Morse code elements can thus be set up on the drum. The plungers pass over the transmitting key in succession as the drum rotates, the end of the key being capable of a slight sideways movement against spring control to follow the helical groove. The message is repeated over and over again, the key being enabled to fly buck to the other side of the drum as it nears the end of the helical groove by the automatic depression of a key-restoring shutter or trap door 29 which constitutes a movable segment of the drum surface. Triggers 37, 38, Fig. 6, are instrumental in opening and closing the trap-door 29.
Patent GB-953225-A (GB)
Title: Improvements in multi-contact jacks
Inventor: LONGFORD CHARLES GEOFFREY
IPC: H01R24/58
Filed: 1961-04-14
Abstract: 953,225. Two-part couplings; plug boards. WYNN DEVELOPMENTS Ltd. March 30, 1962 [April 14, 1961], No. 13553/61. Heading H2E. [Also in Division H4] A jack 5, for use with plugs 1 of the kind having a plurality of ferrule like contacts 2 to which are attached the cores 3 of a cable, comprises an insulating moulding with a series of holes 6 for the reception of plugs 1, each hole 6 containing a plurality of spring contacts 12 which project into the interior of holes 6 for engagement by contacts 2 on the inserted plug 1, each jack contact 12 projecting laterally from the moulding to provide a soldering attachment loop 15 for an electrical conductor 16. As shown, contacts 12 fit in holes 11, their ends 14 being splayed outward to retain them, the diameter of holes 11 being increased at one end to enable the contacts to be sprung into position therein. Jack 5 is mounted on a panel 10 by a circlip 9 in a recess 8 around an integral neck portion 7 bordering the mouth of each hole 6. A method of making the plug of nylon or similar mouldable insulating material is described. Specification 953,226 is referred to.
Patent GB-259865-A (GB)
Title: Improvements in or relating to domestic stoves and fire-places
IPC: F24B1/18
Filed: 1926-05-29
Abstract: 259,865. Bruce, R. May 29, 1926. Open fireplaces; outlets to chimneys; boilers, arrangement of; flue dust, collecting and removing.-In a fireplace having back and side walls A, connected at the top to a substantially central flue b by a crowning portion a which provides also an arch A<1> over the open front, a ridge a' is provided round the base of the flue to deflect the flames slightly downwards and thus increase the heat radiation. The flue b, which may be surrounded by an annular boiler e, extends up into the base of the chimney B, the space between the lower front edge of the chimney and the crown a being closed by a cover C. Soot collecting in the space surrounding the flue b may be removed through a door provided either in the cover C or in the crown a. The grate f may, as shown, support the structure, or may itself be supported in it. A well-fira embodying the invention is also illustrated.
Patent GB-1116570-A (GB)
Title: Aerobic waste treatment system
IPC: C02F3/12
Filed: 1967-03-23
Abstract: <PICT:1116570/C1/1> Sewage is admitted by pipe 20 to aerator and comminutor 10 with roughened rings 15, 16 and 17.  Liquid is recirculated in path 21-23-27 with air being drawn in by a Venturi aspirator from tank 30 by pipe 35.  Partially treated sewage is discharged by outlet 29 to tank 30 where it is aerated by a Venturi aspirator, which is open to the atmosphere, in line 33-36-38-43.  The sewage is directed against a baffle target 44.  The treated liquid passes by pipe 49 to a settling tank 50 for discharge of sludge via pipe 59 and clarified effluent by weir 57.  An ozonizer 62 may be operated in the aeration lines.  If there is a heavy loading of liquid to be treated, the level in tank 30 rises above outlet 35. This leads to a build-up of air pressure in tank 30 with a consequent automatic adjustment of the loading.
Patent GB-480347-A (GB)
Title: Method for producing the design of fabrics
IPC: D06M15/07
Filed: 1936-05-15
Abstract: A stable film-like coating, e.g. of a cellulose ester or ether or a resinous polymerization product, is applied locally or over the whole surface of a fabric prior to the usual finishing, e.g. bleaching, dyeing and dressing, operations.  Dyestuffs or pigments may be incorporated in the coating material or such material may be dyed subsequent to its application to the fabric. Alternatively, the coating material may be used to cause two layers of fabric to adhere, special effects being obtainable by the use of fabrics shrinking to different degrees during the finishing operations.  In examples: (1) a solution of acetylcellulose in acetone is applied to one side of a fabric having viscose artificial silk in the warp and "Vistra" (Registered Trade Mark) cr<\>zepe in the weft and, after being dried, the fabric is subjected to the usual treatment with soda lye, desized in a bath containing Marseilles soap and soda, dyed with Chicago blue, stretched and, if desired, calendered and steamed; (2) a mixed fabric of acetate artificial silk and "Vistra" cr<\>zepe is printed in stripes with a solution of nitrocellulose and tricresyl phosphate in acetone, dried, cr<\>zeped, desized and bleached; (3) a fabric having viscose artificial silk in the warp and viscose cr<\>zepe in the weft is printed in spots with the solution used in (1) dried, desized and dyed with a substantive dye; the printed portions remain white; (4) a viscose georgette fabric is covered with an adhesive film coating and a viscose dull cr<\>zepe fabric pressed upon the coating by a cylinder with a raised pattern.