baber/WOPTO huggingface dataset:
Patent GB-1348265-A (GB)
Title: Water supply valve and spout
IPC: E03C1/04
Filed: 1971-05-14
Abstract: 1348265 Valves CHAFFOTEAUX ET MAURY 14 May 1971 [15 May 1970] 15051/71 Heading F2V A combined spout and outlet valve for mounting on the base of a water heater over a sink, comprises a hollow pivot 3 containing a valve 16, and a bent tubular arm constituting the spout and rotatably mounted on the pivot and adapted to operate the valve. As shown, a lift valve 16 has a stem 25 connected to a cam follower 24 guided by a pin 26 engaged in a vertical slot 27 in the pivot. A cam 27 is angularly adjustably fixed in the bottom of a sleeve portion 2 of the spout which is rotatably mounted on the pivot. A stop pin 30 on the cam co-operates with abutments on the pivot to limit rotation to 180 degrees. The valve may have closed positions near the extremes of this movement, or if for fitting over twin sinks, the valve has a closed position corresponding to the middle range of the movement and being opened progressively by movement to opposite sides. The cam and follower may be of plastics material.
Patent GB-1210613-A (GB)
Title: Purification of pyruvaldehyde
Inventor: WARNER JOHN SCOTT
IPC: C07C45/81
Filed: 1969-03-21
Abstract: 1,210,613. Pyruvaldehyde. WM. WRIGLEY JR. CO. 21 March, 1969 [21 March, 1968], No. 15085/69. Heading C2C. A process for the purification of pyruvaldehyde by removal of coloured bodies and polymeric materials therefrom, contained in aqueous solutions thereof, comprises gradually adding a crude aqueous solution of pyruvaldehyde to a water-immiscible liquid maintained at 80- 200‹ C. to effect immediate vaporization of the pyruvaldehyde. Suitable water-immiscible liquids are mineral oil, petroleum solvents boiling above 100‹ C., naphthol spirit, orthodichlorobenzene, trichlorobenzenes, trichloropropanes, bis - (2 - chloroethyl) ether and tetrachloroethane.
Patent GB-235579-A (GB)
Title: Improvements in or relating to upholstery-webbing stretchers
IPC: A47C23/28
Filed: 1925-06-11
Abstract: 235,579. Schenk, C. von. June 11, 1924, [Convention dale]. Band strainers for upholstery webbing. A cranked handle 1 has a rounded transverse portion 2 with a toothed member 8 secured thereto. The webbing is threaded between the teeth 9 and the portion 4 of the handle and the tool is rotated in the direction a about the rounded front 2 as pivot rolling on the woodwork 5 of the upholstered article.
Patent GB-184912-A (GB)
Title: Improvements in or connected with the manufacture or production of carbon free ferro-molybdenum
IPC: C22C35/00
Filed: 1921-06-01
Abstract: 184,912. Turner, W. L. June 1, 1921. Alloys.-Carbon-free ferro-molybdenum is obtained by the exothermic reaction of a mixture of molybdenite, aluminium, iron oxide, and pyrolusite or other material containing manganese oxide. The resulting molten alloy, which may contain 60 per cent of molybdenum and 1.5 per cent of manganese, may be refined by stirring with a basic flux such as a mixture of lime and fluor-spar.
Patent GB-910620-A (GB)
Title: Improvements in or relating to overthrown shovelling machines
IPC: E02F9/02
Filed: 1960-04-29
Abstract: 910,620. Shovelling machines. GREAT WESTERN CONSOLIDATED CO. LIABILITY. April 29, 1960 [April 30, 1959], No. 15194/60. Class 68 (1). In order that an overthrow shovel excavator may operate satisfactorily on relatively steep inclines the guideways 7a over which the curved portions 4 of the shovel-supporting rocker arms roll have rear portions 20 so shaped that the rocker arms on reaching these portions of the guideways pivot thereupon. Also, a wheeled bogey 19, 20 rigidly secured to the front of the wheeled chassis of the excavator increases the stability of the whole excavator. The shovel 3 is pivotally mounted at 21 on a forward extension of the rocker arms. The wheels 13b of the excavator are freely mounted on a shaft 14 on which are secured at either end thereof winch drums. When the shaft 14 is driven the drums wind in on or pay out a fixed cable 16 so that the machine can be advanced or withdrawn as desired.
Patent GB-515095-A (GB)
Title: Improvements in or relating to valve casings for screwdown, slide or like stop valves
IPC: F16K27/10
Filed: 1938-05-21
Abstract: 515,095. Casings for screw - down valves. B.R.A.S.A. BREVETTI ROBINETTERIE AUTOSALDATE SOC. ANON. May 21, 1938, No. 15237. Convention date, May 21, 1937. [Class 135] The casings of screwdown and other stop valves subject to the freezing of water, waterhammer action or other irregular happenings are constructed of resilient t material particularly sheet iron or steel and formed with corrugations which permit deformation of the casing during expansion. As shown in Fig. 1 a casing 1 is provided with securing flanges 2 and with longitudinal corrugations 4. Several other forms of casing are described in which the corrugations are either transverse to or lie along the length of the valve.
Patent GB-317152-A (GB)
Title: Improvements in or relating to monogrammic apparatus for signalling and advertising
IPC: G09G3/00
Filed: 1928-05-24
Abstract: 317,152. Sign Construction Co., Ltd., Coleman, H. S., and Fitch, C. E. H. May 24, 1928. Monogrammic signs. - An electrical indicator of the monogrammic type is controlled by a rotatable electrically conductive member 1 associated with an insulated contact board 2 having a number of bell contacts 3 under the pressure of springs 4. The bell contacts are provided with separate leads 14, 16, &c., to the lamp or lamp groups on the lamp panel, Fig. 3, corresponding leads and lamps being numbered alike. The bell contact 12 and the lead 14 form the supply lead for the electric current, the lead 15 being the current return lead from the lamp panel. The metallic surface of the member 1 is provided with a number of holes 6 arranged in longitudinally and circumferentially aligned rows. The bell contact engage with the holes without actual contact with the metallic surface of the member 1, to break the current to the lamps. The member 1 rotates on the shaft 9 which is provided with a handle 35 whereby the shaft may be manually operated, so as to position the member 1 in the proper position relatively to the contact bells. The holes in the member 1 are so positioned that when the indicator hand 36 points to a number on the reference scale 37 that number is lit up on the lamp panel. The holes 6 in the metallic surface of the member 1 can be replaced with insulated portions in the form of small strips or inserts or studs of insulting material suitably secured to the metallic surface. The Provisional Specification states that the shaft 9 can be rotated by an electric motor started by the pressure of a suitable knob or button.
Patent GB-1365507-A (GB)
Title: Light transmitting panels
IPC: F21V5/00
Filed: 1971-05-17
Abstract: 1365507 Lighting fittings K-S-H Inc 17 May 1971 [18 May 1970] 15333/71 Heading F4R A light-transmitting panel for a luminaire has a lenticular pattern 40 on its lower surface and a system of tapering protuberances 30 on its upper surface, the flat tops 33 of the protuberances being treated to reduce the amount of light passing therethrough. The treated surfaces may be translucent or coated with an opaque layer 35 of paint. The protuberances may be in the form of ribs, pyramids or cones and the sides 31, together with the intermediate surfaces 37, may be clear or roughened to diffuse the light. The lenticules may be part-spherical or partcylindrical, and the protuberances and lenticules may be arranged in the form of concentric squares or rings.
Patent GB-1099073-A (GB)
Title: Process for preparing zeolites
IPC: C01B39/02
Filed: 1965-04-12
Abstract: Synthetic zeolites are prepared by treating firm calcined non-zeolite particles of fixed size and shape which have been prepared synthetically so as to comprise at least one of the oxides silica and alumina with an aqueous solution containing alkali metal cations and hydroxyl, silicate and aluminate anions, and recovering alkali metal zeolite particles from the solution. The non-zeolite particles may be spheroidal in shape and the process may comprise treating silica with alkali metal aluminate, alumina with alkali metal silicate or alumina and silica with alkali metal hydroxide.  The alkali metal may be sodium, potassium or lithium and the proportions in the reaction mixture may be adjusted to give a type A or type X sieve.  The alkali metal zeolites may be subjected to ion exchange to give alkaline earth metal zeolites. The non-zeolite particles are calcined at 350-700 DEG  C., the temperature of the aqueous treating solution may be 25-150 DEG  C. and its pH greater than 11.  The silica or alumina particles may be prepared by adding hexamethylenetetramine or urea to a silica or alumina sol, dropping the mixture into an oil-bath at less than 100 DEG  C., aging, washing, drying and calcining the resulting hydrogel particles.  Alternatively commercial catalytic cracking catalyst may be used. The sieves produced may be impregnated with metal catalyst (e.g. Pt) and used for reforming hydrocarbons.
Patent GB-991798-A (GB)
Title: Improvements in or relating to the preparation of block-like chocolate
IPC: B65B11/00
Filed: 1962-04-19
Abstract: 991,798. Wrapping chocolate. F. MONHEIM, H. MONHEIM, P. LUDWIG, H. G. MONHEIM, and D. MONHEIM, [trading as L. MONHEIM [Firm of]]. April 19, 1962 [Dec. 8, 1961], No. 15384/62. Heading B8C. Block-like packages of chocolate are made by producing individual chocolates, each formed like a portion of a conventional grooved block of chocolate, arranging the chocolates in a blocklike pattern, supplying them to a wrapping machine, and wrapping the assembled chocolates in that pattern. In one example, chocolates are supplied by separate conveyer belts to a forming station, each chocolate having the same surface area; the chocolates are arranged in a blocklike pattern; transferred to a backing sheet, which may have vertical edge portions equal in height to the sides of the chocolates; and supplied to a wrapping machine.
Patent GB-1098371-A (GB)
Title: Process for the manufacture of acetaldehyde
IPC: C07C45/34
Filed: 1965-04-12
Abstract: Acetaldehyde is produced by reacting together ethylene and elemntary oxygen in the presence of palladium (II) oxide.
Patent GB-292119-A (GB)
Title: Improvements in floor treating apparatus
IPC: A47L11/164
Filed: 1928-05-25
Abstract: 292,119. Inventia Patent-Verwertungs-Ges. June 14, 1927, [Convention date]. Floors, waxing. - A method of waxing floors consists in mounting resiliently hard wax elements on a rotating portion of a floor-polishing machine. In the construction shown in Figs. 1 and 2, a metal disc a adapted to be secured to a driven member of a floor-polishing machine is formed with radial slots b so that the segments a<1> are resilient. Cylindrical wax elements c are arranged on these segments, an intermediate layer d of felt or fabric being interposed between the segments and the wax. The wax elements may be secured in recessed portions of the disc. In the construction shown in Fig. 6, a spring-pressed disc a provided with wax elements c is secured to a driven member k by means of pins l secured in place by spring clips m. In a further construction, the disc carrying the wax elements is mounted on a rotating brush and is formed with upturned corners for engagement between adjacent tufts of bristles.
Patent GB-382911-A (GB)
Title: Improvements in biscuit cutters or the like machines
IPC: A21C11/10
Filed: 1932-06-01
Abstract: 382,911. Cutting biscuits &c. McVITIE & PRICE, Ltd. and MONKS, W., Harlesden, London. June 1, 1932, No. 15514. [Class 87 (ii).] In biscuit-cutting and like machines, of the type in which a cutter-block, back-plate, and scrap plate move downwards in unison until the scrap plate is arrested adjacent to the sheet of dough while the cutter-block moves further downwards by compressing springs to effect the actual cut, the block and plates are carried by an attachment comprising two members 11, 12 having a pin-and-slot connection to permit relative movement by compression of the spring 21. The member 11 is L-shaped and bolted at 13 to the crosshead, while the member 12 carries a stop 23 and a pair of parallel lugs 14 to engage the back-plate 9 to which is attached the scrap plate 10. This apparatus will usually be duplicated at opposite sides of the machine, as in the illustrated form. In operation, the cutter-plate 5, cutters 6, back-plate 9 and scrap plate 10 move downwards in unison with the crosshead until the stops 23 strike the abutments 24 to arrest the members 12. The crosshead and cutter-plates then continue the downward movement, the members 11 moving over the members 12 and compressing the springs 21 during the movement. On the return stroke the cutter-plates move alone until the springs are relaxed, after which all the members move upwards in unison. The stops 23 may be made adjustable to treat sheets of dough of various thickness on the conveyer band 4.
Patent GB-516968-A (GB)
Title: Improvements in blow lamps
IPC: F23D99/00
Filed: 1938-12-17
Abstract: 516,968. Carburetting of air. EDWARDS, M. F. Dec. 17, 19'38, No. 15555. [Class 55 (ii)] [Also in Group XI] In a blow-lamp apparatus, air is drawn by a fan or blower 5 through an inlet 311 into a compartment 31 of a casing 3 and thence through a duct 33, into which petrol or like fuel is continuously sprayed as by a float feed carburettor 4, and the fuel and air pass through a mixing-compartment 32 and pipes 7, 8 and are forced by the blower through a pipe 10 to the burner nozzle 6. The compartments 31, 32 are provided with staggered baffles 15 and are heated by an electrical heating element 11 in an. intermediate cavity 14. The duct 33 is preferably constructed at 331 to produce a venturi effect at the fuel jet 41. An auxiliary air inlet 9, fitted with a valve 91, may be provided for regulating the richness of the mixture. The speed of the blower and the aperture of the jet 41 may also be adjustable. The pipe 10 is preferably made flexible for the whole or a portion of its length. Specification 351,038 is referred to.
Patent GB-202762-A (GB)
Title: Improvements relating to burners for operating with liquid fuels
IPC: F23D11/10
Filed: 1922-06-02
Abstract: 202,762. Morgan, G. U. June 2, 1922. Spray burners; burners, mounting; oil supply.-A spray burner is rendered suitable for use (a) with oil fed under pressure alone (b) with oil fed under pressure and a small supply of air or steam for scavenging &c., or (c) with oil fed by gravity or light pressure together with air or steam as atomizing agent, by the employment of an axially adjustable fuel control needle formed at the end coasting with the fuel orifice with a plain cylindrical surface and with axially directed flutes or spiral grooves immediately behind the cylindrical surface. The burner illustrated is similar in general features to that described in Specification 175,785 and conprises a double-walled non-oxidisable steel body portion 1 having fuel and air or steam inlets 10, 11, a fuel chamber 2, and an atomizing agent chamber 8 fitted with an adjustable nozzle 9. The fuel outlet is regulated by an adjustable needle 6 passing through a gland 5 in the rear of the body 1 and formed with a cylindrical portion in which are cut a number of longitudinal flutes or spiral grooves 17 preferably diminishing in depth as they lead up to a cylindrical surface 18 which in one position of adjustment closes the cylindrical bore 19 of the fuel orifice. The needle is formed with straight or spiral guide ribs 21 and a conical or conoidal point 20 which may be grooved spirally. Adjustment of the needle is effected by means of a milled head 22 on a graduated flange 23 which screws on a rear extension of the body 1 and has a part rolled into a groove 24 on the needle 6. The flange. 23 is slotted to allow a spanner to be inserted for tightening the gland 5. An apertured cap 27 adjustable on the nozzle 9 admits primary induced air to the burner. Spacing washers of varying thicknesses or of the same thickness in varying numbers may be fitted between the cap and nozzle and the nozzle and body. The burner is slidably supported in a cradle 29 formed with lateral fixing lugs 30, 31, and is secured in the required position by a stud 33 engaging in a slot in an extension 32 on the cradle. The cylindrical front portion 29a of the cradle acts as a combustor. Auxiliary air is supplied through an aperture 34a in a ring 34 fitting between two milled flange members 35, 36. In the case of forced draught furnaces an air inlet pipe is attached to the ring 34. The flange 35 is formed with slots 37 controlling the air entering spaces 40 around the combustor 29<a>. The flange 36 rotates an apertured ring 38 controlling air inlets 39 in the cradle 29. A bye pass valve between the air or steam pipe and fuel pipe allows air or steam to be passed through the fuel chamber at intervals. When a pressure feed of oil is used the oil is preheated by any convenient means such as by means of the heat generated in an air compressor supplying air under pressure to the fuel tank. Additional heat may be supplied by steam or by passing the oil through coils heated by gas flames.
Patent GB-872439-A (GB)
Title: Improvements in polyethylene compositions and methods for their production
IPC: C08K5/14
Filed: 1960-05-03
Abstract: 872,439. Cross-linking polyethylene. GRACE & CO., W. R. May 3, 1960 [Oct. 23, 1959], No. 15595/60. Class 2(6). Compositions comprising polyethylene having a density of at least 0À950 cross-linked with a minor amount of a petroleum wax having a melting point between 47‹ and 65‹C. may be prepared by compounding the polyethylene and wax with a peroxide, which decomposes on heating to give free radicals, at a temperature above the decomposition temperature of the peroxide. The wax is preferably one having a melting point in the range 55‹-65‹C. and is preferably used in amounts of 1%-20% based on the weight of the composition. The peroxide may be tert. butyl perbenzoate, tert. butyl perphthalate, dicumyl peroxide or 2, 7-dimethyl octane-2, 7-ditert. butyl peroxide. The compositions may also comprise fillers, pigments, dyes, antistatic agents, stabilizers, plasticizers and elastomers. The compounding is preferably effected by adding the wax and peroxide sequentially in that order to the polyethylene, or by pre-blending the wax and peroxide. U.S.A. Specifications 2,298,846, 2,826,570, and 2,882,246 are referred to.
Patent GB-581004-A (GB)
Title: Improvements in magnetic or electrostatic separators for ores and similar materials
IPC: B03C1/22
Filed: 1942-11-05
Abstract: 581,004. Magnetic and electrostatic separators. GENERAL ELECTRIC CO., Ltd., and BLOCH, A. Nov. 5, 1942, No. 15615. [Class 72] In apparatus for separating crushed ore, the ore is passed on a belt B between pole-pieces N<SP>1</SP>-N<SP>3</SP> and 5 of opposite polarity, the field being concentrated in the vicinity of the belt and the tapered pole tips 2 by forming indentations or grooves G in a direction at rightangles to the motion of the belt, in the pole face directly opposite. These indentations may have a uniform curvature or a polygonal or rectangular cross-section and may be filled in with a non-magnetic material to form a smooth surface. Means may be provided for ensuring that the ore passes over at least one of the indentations, which may be formed in staggered rows. The field may be electro-magnetic or electrostatic.
Patent GB-185512-A (GB)
Title: Improvements in reservoir pens and the like
IPC: B43K5/16
Filed: 1921-06-07
Abstract: 185,512. Stevens, H. A., and Harris, O. D. June 7, 1921. Reservoir pens; pencil and like holders; pencil, pen and like point -protectors.-In reservoir pens, pencil-holders or the like of the propelling type, operated by the point-protecting cap, a yielding clutch to avoid the effects of over-rotation is provided between the cap and the propelling-mechanism by a rounded spring-pressed plunger in the end piece engaging longitudinal grooves in the cap, or in a rotary sleeve engaged by the cap. In the construction shown in Fig. 1, a transverse bore k extending partly through the end piece b contains a ball d of metal or other rigid material which is pressed outward by a spring e and partly protrudes through a hole in a metal retaining- ring m. The cap c, Fig. 2, is provided with one or more longitudinal grooves j which coact with the ball d to form an operating connection, and also provide a yielding clutch-connection when the limit of movement is reached. Fig. 3 shows a modification wherein a rotary sleeve ring n, provided with longitudinal grooves, is frictionallyengaged by the cap c.
Patent GB-1529283-A (GB)
Title: Apparatus for applying a liquid to a moving web particularly glue to corrugated paperboard
IPC: C09J5/00
Filed: 1977-04-15
Abstract: 1529283 Coating head mounting MOLINS MACHINE CO INC 15 April 1977 [10 May 1976] 15701/77 Heading D1L Coating head for corrugated web 12 is mounted on a parallelogram linkage so that the head may be pivoted between operative and inoperative positions. The linkage includes a pair of gear segments 46 at one end driven via pinion 52 by a further pinion 102 driven by a hydraulically operated rack (66) [Fig. 2 (not shown)]. The hydraulic line includes a release valve which opens above a set pressure to withdraw the head from its operative position to an intermediate position determined by a manually operated dog 94 in the event of web jamming between rolls 18 and 34.
Patent GB-515169-A (GB)
Title: Improvements in or relating to the treatment of grain and seeds
IPC: A01C1/08
Filed: 1938-05-26
Abstract: 515,169. Treating seeds &c. OTT, W. May 26, 1938, No. 15724. Convention date, May 26, 1937. [Class 58] [Also in Group XVIII] To protect grain and seeds from diseases, insects &c. the seeds are fed through a funnel a into one or other of chambers c<1>, c<2> in a tipping balance b mounted on a pivot d, the chambers being separated by a wall m provided with an adjustable weight 1. The balance b carries two scoops g<1>, g<2>, adapted to be dipped alternately by the movement of the balance into a tank containing the material for treating the seeds. The material flows from each scoop, when its side of the balance is elevated, into the corresponding chamber and mixes with the seeds falling therein from the funnel a. When sufficient seeds accumulate in the one chamber the balance swings over, discharging the seed into a hopper k leading to a mixing compartment, and bring- ing the second chamber into seed receiving position.
Patent GB-1263481-A (GB)
Title: Sample injector for use in liquid chromatography
IPC: G01N30/24
Filed: 1969-03-26
Abstract: 1,263,481. Automatic liquid chromatography apparatus. BECKMAN INSTRUMENTS Inc. 26 March, 1969 [2 April, 1968], No. 15815/69. Heading B1X. A high pressure automatic liquid chromatography system suitable for amino acid analysis comprises a sequentially stepped rotatable sample-carrying table 25 and two independent ion-exchange columns 10, 11. As shown, a sample is being drawn into sample valve 23 under the influence of pump 26 and eluent from any of reservoirs 14-17 is passing by pump 12 through a by-pass line in valve 23 into and through long column 10 thereby eluting a previously delivered sample into reactor-detector 22, while at the same time a sample previously drawn up into sample valve 24 is being eluted into short column 11 by means of eluent from any of reservoirs 15-18 passed by pump 13. At the appropriate points in time, table 25 is stepped and valves 19, 20, 21, 23, 24 and 27 switched by means of a programmer to reverse the functions of the two column systems. The sample reservoirs into which the sample is loaded suitably comprises a helically-wound tube mounted around a spool, in which tube the sample is held by means of surface tension (see Fig. 2, not shown). Alternatively, spirally-wound sample reservoirs (see Figs. 6a, b, not shown) may be used. The details of valves 23, 24 are the subject of Specification 1,263,483.