baber/WOPTO huggingface dataset:
Patent GB-224698-A (GB)
Title: Improvements in vacuum-producing devices for vacuum fuel-feeding systems for internal combustion engines
IPC: F02M37/02
Filed: 1923-10-24
Abstract: 224,698. White, A. E., (Stewart-Warner Speedometer Corporation). Oct. 24, 1923. Vacuum apparatus. - In an automatic fuelfeed apparatus, the vacuum is produced in the suction chamber B<1> by a pump C, the intake of which is connected by a pipe C<3> to the chamber B<1> while the discharge C<4> is connected to the secondary chamber B<2>. The piston C<2> of the pump may be operated by the suction of the induction pipe A or of the oil circulating pump D, the chamber C<5> of the pump being connected to those two sources of suction through a chamber G provided with two non-return valves, so that the source of stronger suction operates. At the end of the suction stroke the piston opens an atmospheric valve C<6> and destroys the vacuum in the chamber C<5>, the piston being returned by a spring. In another form, the chamber C<5> is connected to the two sources of suction through a hand-operated rotary valve.
Patent GB-1037886-A (GB)
Title: Improvements relating to devices for training climbing plants
IPC: A01G9/12
Filed: 1964-06-26
Abstract: 1,037,886. Plant supports. D. V. ALLEN. June 22, 1965 [June 26, 1964], No. 26638/64. Heading A1E. A support for climbing plants comprises a net 1 supported on end supports 2, 3 and at least one intermediate support 4 the end supports being braced by members 6 which as shown comprise two steel rods welded together intermediate their ends. The supports 2, 3 may be spring steel rods or rigid steel rods of T-section. The net is secured on the supports by means of wire loops 5, 7 which may incorporate springs. Alternatively springs may be provided in the top line of the net.
Patent GB-174124-A (GB)
Title: Improvements in apparatus for drying pulverulent granular or other substances
IPC: F26B17/00
Filed: 1920-09-17
Abstract: 174,124. Hofmann, A. Sept. 17, 1920. Reciprocating conveyers coacting with fixed surfaces.-Apparatus of the kind in which granular, pulverulent, and other materials are dried in a chamber by an ascending current of hot air while being intermittently dragged in opposite direction along alternate superposed floors by rakes carried on frames comprises rake-carrying frames which are raised only at the ends of their operative strokes and let fall at the ends of their inoperative strokes. The apparatus shown comprises a series of superposed plates 1 supported alternately from opposite ends of the drying-chamber, and a frame consisting of a pair of beams 4 above each plate carrying pivoted rakes 7 and capable of reciprocation and of a rising and falling movement. Each beam is supported at its ends on rollers 8 carried by members 9 depending from counterweighted levers 10, and is linked at one end to a sector 14 on a rocking shaft 15, each second beam being linked at the same end, and the alternative beams at the other end. The sectors at either end are linked together and operated by a pin or crank carried by a worm wheel 19, driven by a shaft 21, operated from a pulley 22; the beams are thus reciprocated, their ends passing through openings 5 in the walls of the chamber. The rising and falling motion is effected bv an arm 14<1> on one or more of the sectors which towards the end of the outward movement of its beams engages a lug or one of the rollers 8 on the frames 9 and thereby lifts the frames and the beams. The frames carry sliding plates formed with apertures through which the beams can pass, and serve to mask the openings 5 in the walls. Fig. 5 shows means for locking the frames in their raised position during the return stroke, comprising a pivoted bracket 25 formed with a spring-drawn catch 25<1> into which the roller 8 is drawn by its upward motion; on the return motion of the sector, a pin or lug thereon engages a catch 25<3> on the bracket and releases the catch. The movements of the rakes 7, which are suspended from spindles journaled in the beams, are limited by stops. The material is introduced through an opening 33 at the top through which the hot air or gas admitted from a vessel 34 at the bottom leaves the chamber.
Patent GB-1049814-A (GB)
Title: Lining for metallurgical vessels
IPC: F27D1/04
Filed: 1964-06-29
Abstract: 1,049,814. Lining for metallurgical vessels. VEITSCHER MAGNESITWERKE-ACTIENGESELLSCHAFT. June 29, 1964 [July 9, 1963], No. 26832/64. Heading F4B. A lining for metallurgical vessels comprises alternate series of basic to neutral refractory bricks which have been ceramically bonded and afterwards impregnated with carbon, and quarter thickness basic to neutral refractory plates, which are non-fired but which have been bonded in a carbon containing medium. The refractory materials may include magnesia, dolomitic magnesia, dolomite with or without chrome ore, clay, magnesium-aluminium-spinel or lime. Preferably alternate bricks and plates are laid chequerboard fashion. A brick and plate may be combined, e.g. by adhesive, into one unit for ease of handling. The fired bricks are carbon impregnated by immersion, or vacuum and/or pressure treatment at high temperatures using hydrocarbons, tar, pitch, or soot or graphite suspensions, whilst the unfired plates are bonded with tar, pitch, or bitumen, with or without soot/graphite suspensions.
Patent GB-1300902-A (GB)
Title: Apparatus for feeding and stacking sheets of paper
IPC: B65H29/14
Filed: 1971-04-19
Abstract: 1300902 Delivering sheets INGENIEURSBUREAU DE RIDDER NV 19 April 1971 [10 April 1970] 26848/71 Heading B8R  Sheets, newspapers or the like 2, Figs. 1, 2 and 3, are fed in normally overlapping formation between an upper conveyer belt 8 and a lower belt 1 supported on an inverted channel member 5 and extending beneath a stacking station 3, where a stack 7 is formed against a front stop 6 by feeding the sheets thereto from the bottom. Rollers 11, 12, 13 of the belt 8 are supported on a frame pivoted about a duct roller 9, so that the roller 11 and the belt 8 are pressed by gravity against the sheets and the belt 1. The sides of the sheets rest on guide plates 18 so as to be transversely bent so as to be stiffened. The belt 1 is supported on a roller 17 projecting through an aperture in the member 5. Auxiliary rollers 26 supporting belts 27 force the sides of the sheets against the plates 18. If a gap occurs in the sheet stream, or if the sheets are fed in non-overlapping relationship, the stiffness of the leading end of an unoverlapped sheet is small enough to allow the roller 11 to drop to the position of Fig. 1, so that the sheet follows a curved path 25 below the stack and does not abut the edge of the preceding sheet. Specification 1,298,859 is referred to.
Patent GB-1277732-A (GB)
Title: Improvements in or relating to rotary stencil cylinders for rotary fabric printing machines
Inventor: BARROS ALMERINDO JAMIE CORREIA
IPC: B41F15/08
Filed: 1968-06-05
Abstract: 1277732 Rotary stencil cylinders A J C DE O BARROS 5 Sept 1969 [5 June, 1968] 26865/68 Heading B6C A rotary stencil cylinder assembly comprises a hollow shaft 34, bearing blocks 17 and collars 18 and 19 fixed to the shaft and mounting an imizal stencil cylinder 22. Mounted on the shaft is an adjustable holder for a squeegee rod 31 or arcuate shaped segment the holder being so adapted that different diameter rods may be used depending upon the type of ink pumped through the shaft 34 into the interior of the cylinder. An electric detector device 36 controls the ink feed through the shaft.
Patent GB-457564-A (GB)
Title: Improvements in or relating to means for detachably attaching flexible sheets to supports therefor, particularly adapted for ambulance stretchers
IPC: A61G1/04
Filed: 1935-09-28
Abstract: 457,564. Ambulance stretchers; beds. MONK, B., 2, Beechwood Road, Sanderstead, Surrey, and RICKWOOD, H. J., Ellenden, Hawkhurst, Kent. Sept. 28, 1935, Nos. 26868 and 33061. [Class 108 (i)] [See also Group XIV] The load-supporting flexible sheets of stretchers, camp beds, and the like are adapted to be detachably secured to the longitudinal frame members by means of rows of headed fasteners on the sheet co-operating with corresponding slots on the frame members the slots being each arranged to receive the stem of a fastener. As shown the flexible sheet 16 has arranged at each side a number of fasteners comprising portions 27 arranged to lie in the edges of the sheet and having stems 25 with heads 26. A corresponding number of key-hole slots of the form shown in Fig. 2 are arranged in a channel plate 18 secured to the frame member 12 by screws 19, the arrangement being that the slots are somewhat closer together than the fasteners on the flexible sheet when new so as to allow for shrinkage. The heads 26 of the fasteners are passed through the large apertures 30 of the slots and longitudinal or transverse pressure on the sheet causes the fasteners to ride in the slots. A press stud 32 may be provided for securing the flexible sheet when in position. In another form a plate 44, Fig. 5, overlies a groove 2 in the frame member 12, the plate being provided with key-hole slots for the admission of the heads 50 of studs secured to the flexible sheet, the heads being adapted to remain in the groove 42. A looking plate 52 having notches 54 adapted to register with the enlarged apertures 46 of the key-hole slots is arranged for longitudinal sliding to lock the studs in position. A stud 62 arranged on an arm 58 engaging one of the notches 54 and movable in a slot 64 locks the plate 52 when desired.
Patent GB-730528-A (GB)
Title: Refrigerated meat chopper
IPC: B02C18/30
Filed: 1953-09-30
Abstract: 730,528. Pipe couplings. GLOBE SLICING MACHINE CO., Inc. Sept. 30, 1953 [Oct. 3, 1952], No. 26876/53. Class 99 (1). [Also in Group VI] Joints between pipes 13, 14 and sockets 17, 18, Fig. 4, are made when each flaring pipe formed in a mincer barrel 2 is pressed against the taper of the pipes 13, 14 whereby pipe ends 88 seal against a rubber washer 71. At the same time a disc 86 on the stem of valve 84 presses on the stem 77 of valve 76 in the other pipe which eventually compresses the springs of both valves 76 and 84 to move the valves off their seatings in their collars 72 and 80 respectively of each pipe. Thereby all valves are opened to allow flow and return. On separating the joints as the mincer barrel is removed for cleaning, the springs close all valves to prevent escape of refrigerant water from the pipes or from the mincer barrel.
Patent GB-835125-A (GB)
Title: Improvements in or relating to mining machines
Inventor: SNYDER CLIFFORD HUTCHISON
IPC: E21C27/22
Filed: 1956-09-03
Abstract: 835,125. Mineral-mining machines. COLMOL CO. Sept. 3, 1956, No. 26902/56. Class 68(1) Rotary boring heads 81 are secured to a series of parallel driven shafts rotatably mounted in sections of a gear box pivoted by jacks 37, 39 about a transverse axis 23 on a vertically movable frame 19 supported by links 17 from a cross beam mounted on the piston rods of vertical jacks 13 extending up from the body of the machine. Jacks 31 permit of vertical movement of the upper half of the gear box sections. A plate or plates dependent from the upper sections slides over the front face or faces of the lower sections to bridge any gap between the upper and lower sections. Scraper blades 44, 46 are mounted at the bottom and top of the lower and upper sections respectively to remove cusps of mineral left by the boring heads.
Patent GB-1108546-A (GB)
Title: Polyisocyanate and cellulose fibrous products
IPC: C08G18/64
Filed: 1965-06-25
Abstract: Reaction products of a polyalkylene imine and an organic polyisocyanate, are prepared on cellulosic fibres by treating an aqueous suspension of cellulosic fibres with a water-soluble poly-alkylene imine and an organic polyisocyanate having up to 20 carbon atoms othe than those of the isocyanate group.  The reaction is suitably carried out in a solvent such as water, lower alkanols or aromatic and aliphatic hydrocarbons. The pH of the reaction is alkaline and the temperature is preferably between 20 DEG  and 100 DEG  C.ALSO:The invention comprises a process involving the treatment of an aqueous suspension of cellulosic fibres with a water-soluble p polyalkylene-1, 2-imine and an organic polyisocyanate having up to 20 carbon atoms excluding those of the isocyanate groups.  The aqueous suspension may be paper pulp, cotton fibres, cotton linters or rag fibres.  The invention is particularly for the preparation of modified paper or paper board sheets from fibres in the form of bleached or unbleached wood pulps, Kraft soda, semichemical and ground wood pulps as well as rag pulp, rope pulp and jute pulp.  The paper may then be formed into a sheet and cured.  The polyethylenimine and polyisocyanate may be added to the cellulose suspension in any order.
Patent GB-843207-A (GB)
Title: Improvements in or relating to normally solid copolymers of aryl diolefins and terminally unsaturated olefins and process for preparing them
IPC: C08F236/04
Filed: 1957-08-27
Abstract: Co-polymers are made by co-polymerizing at least one 2-aryl butadiene-1,3 with at least one terminally unsaturated olefine of the general formula <FORM:0843207/IV(a)/1> where R is a hydrogen, an aliphatic, cycloaliphatic or aromatic hydrocarbon, in the substantial absence of oxygen or moisture. and in the presence of a co-ordination catalyst obtained by mixing in the presence of a diluent, a halide of a polyvalent metal of Group IV(A), V(A) and VI(A) of the Periodic Table with a compound having at least one metal to hydrocarbon bond, preferably in the proportions of 10 parts of the latter to each 0,3 parts of the former.  Specified terminally unsaturated olefines are ethylene, propylene, butene-1 and pentene-1.  Specified metal halides are titanium and zirconium tetrachloride, vanadium oxytrichloride, molybdenum pentachloride and chromium tribromide Specified compounds having metal to hydrocarbon bonds are lithium aluminium tetraalkyls, phenyl magnesium halides, aluminium trialkyls and tetraalkyl tins. The copolymers of the invention may be cross-linked by heating at temperatures above 150 DEG C.  In the examples, co-polymers are made from 2-phenyl butadiene-1,3 and ethylene and/or propylene using co-ordination catalysts made from titanium tetrachloride and lithium aluminium tetraheptyl aluminium trisobutyl and lithium tetracyclohexenylethyl.  Specification 776,326 is referred to.ALSO:Co-ordination polymerization catalysts are made by admixing in the presence of a diluent, a halide of a polyvalent metal from Group IVa, Va or VIa of the Periodic Table with a compound having at least one metal to hydrocarbon bond, preferably in the proportions of 10 parts of the latter to each 0.3 part of the former.  Specified metal halides are titanium and zirconium tetrachloride, vanadium oxytrichloride, molybdenum pentachloride and chromium tribromide. Specified compounds having metal to hydrocarbon bonds are lithium aluminium tetra alkyls, phenyl magnesium halides, aluminium trialkyls and tetra alkyl tins.  In the examples, co-ordination catalysts are made by admixing in the presence of (I) to (III) cyclohexane, (IV) and (V) cyclohexane and xylene, titanium tetrachloride and (I) lithium aluminium tetraheptyl, (II) aluminium tri-isobutyl and (III) to (V) lithium aluminium tetra cyclo hexenyl ethyl.  Specification 776,326 is referred to.
Patent GB-612086-A (GB)
Title: Improvements in primary electric cells
IPC: H01M4/12
Filed: 1946-09-10
Abstract: 612,086. Batteries. BURNDEPT, Ltd., RICHARDSON, R. P., and LEWIS, R. W. Sept. 10, 1946, No. 27177. [Class 53] The anode of a primary cell consists of a number of washers 5 piled one above another. The washers may be made of zinc and are separated from one another by small spaces to allow penetration of electrolyte. The washers may be provided with pressed-up bosses for this purpose and aligned notches in the edges of the washers allow passage of electrolyte lengthwise of the cell. Alignment of the notches is secured by assembling the washers on rods which pass through holes in the washers. The assembled washers are wrapped in a sheet of zinc which is then closed at the bottom by a, zinc disc, or they may be stacked in a preformed zinc container 4. In a modification, the washers are separated by discs of absorbent paper and are provided with pointed projections on their peripheries for making contact with the zinc container. The pile of washers is compressed while in the container which is then pressed inwardly as shown at 10. A carbon rod 11 surrounded by a depolarizing mass 12 is pressed into the cylindrical space within the zinc washers and the cell is then filled with a solution of caustic potash and closed by a washer 13 and sealing compound 14. The cell is encased in a sleeve 15 of polyvinyl chloride or other plastic which folds over the bottom of the container as shown at 16 and over the upper edge as shown at 17, which is then spun over a metal closure 18. The carbon rod 11 may be of square or triangular section to increase the surface area or it may be cylindrical and provided with longitudinal grooves. A helically wound iron wire may be used as the positive electrode instead of a carbon rod. The depolarizing mass 12 may consist of a mixture of carbon and mercuric oxide.
Patent GB-323254-A (GB)
Title: Improvements in or relating to the preparation of sound records for reproduction in combination with moving pictures
IPC: H04N3/36
Filed: 1928-09-21
Abstract: 323,254. Whitaker, A., Hallawell, A. M., and Gramophone Co., Ltd. Sept. 21, 1928. Opitical-projection apparatus; kinematograph apparatus.-In recording sound to accompany an already existing picture film the picture is projected in two separate chambers simultaneously, one of the chambers being an ordinary studio for accommodating the conductor or other person responsible for the production of the sounds to be recorded (together with the source of the sound, such as an orchestra., if necessary), and the other chamber being used as a control room, having means provided therein for monitoring and controlling the currents in the recording apparatus. Loud-speakers are provided in the control-room, which is so designed that its acoustic properties approximate to those of the theatre in which the film is to be subsequently shown, and which is arranged so that the actual sounds being recorded are inaudible therein. The loud-speakers reproduce the sounds whilst recording is taking place, and the operator in the control-room is thus enabled to judge what variations in the output from any or all of the recording microphones are necessary, and to introduce, when desired, sound effects from sources located in auxiliary studios adjacent to the main studio. Means may be provided for enabling the controlling operator to see an orchestra or conductor in the studio. The Figure shows diagrammatically a control-room 2 built over a studio 1 which accommodates an orchestra and the conductor, and which communicates with studios (not shown) in which are auxiliary sources of sound. Microphones 12 are connected to an amplifier 13 and a recording machine 14, and a tapping is taken from the amplifier 13 to loud-speakers 3 in the monitoring room 2. Pictures are projected directly on to a screen 6 in the room 2 from a projector 5, and also, by reflection from a sheet of glass 7 and a mirror 9, on to a screen 10 in the mainstudio 1, the beam reflected from the glass 7 passing through a window 8 in the ceiling of the room 1. Another window 11 may be provided so that an operator in the room 2, who controls the output of the amplifier by means of devices on a panel 4 connected thereto, can view the conductor and orchestra. Various modified arangements for projecting the pictures in both rooms simultaneously are described. For example the reflectors 7, 9 may be in the projector room, which abuts on both the rooms 1, 2, the reflected beam passing through a window at the back of the room 1. Another alternative consists in using, instead of a single projector, two separate synchronized projectors, employing duplicate picture films.
Patent GB-221111-A (GB)
Title: Improvements relating to lubricating apparatus
IPC: F16N3/08
Filed: 1923-10-30
Abstract: 221,111. Benton & Stone, Ltd., and Milner, C. E. Oct. 30, 1923. Couplings, disconnectible; with valves.-An oil can b is provided with a nipple a which, when applied to the discharge valve h of a grease gun, - opens the latter and enables the oil to be drawn into the gun. A valve f on the nipple is opened by a rod on the valve h. The nipple may be protected by a screw-on cap.
Patent GB-390201-A (GB)
Title: Improvements in aircraft aerofoils
IPC: B64C3/00
Filed: 1931-09-30
Abstract: 390,201. Tail-less aeroplanes. LIPPISCH, A., Fliegerlager-Wasserkuppe, Post Gersfeld, Germany. Sept. 30, 1931, No. 27242. [Class 4.] An aerofoil for arrow-shaped tail-less aircraft has a section which varies over the span from a stable section at the root being merged gradually into sections having an inverse centre of pressure movement whereby the aerofoil has a substantially constant centre of pressure permitting the employment of a single spar. The aerofoil may be formed with a continuous small slot between a large fore part and a small rear part, and this rear part may be pivoted to form a control surface. Fig. 1 shows an aerofoil of the above-described type in which a main part 1 with a reflexly curved median line 7, 8, Fig. 2, is merged into a symmetrical section 12, Fig. 3, and finally into a reversed aerofoil section 17, Fig. 4. The small aerofoils 4, 13 formed by the division of the main aerofoil into two parts by an inclined slot are adjustably mounted on brackets arranged with pivots at or over their centres of pressure and are shaped so as not to close the slot in any adjusted position. Aerofoils 4 serve as elevators and aerofoils 13 as ailerons. A single spar 10 is fitted. Vertical aerofoils 19 with or without adjustable flaps 18 may be arranged at the wing tips 17 and are of a section such as to give an inwardly directed reaction. These surfaces may be adjustable oppositely to obtain greater directional stability or in the same .sense.
Patent GB-313384-A (GB)
Title: Improvements in wheels
IPC: B60B5/04
Filed: 1928-09-22
Abstract: 313,384. Metzgar, L., and Metzgar Co., Inc. Sept. 22, 1928. Disc wheels.-A wheel for baggage trucks &c. is built-up of hard wood sectors 5, with the grain arranged radially, clamped between side-plates 3, 4, the outer ends of the sectors forming the tread and the inner ends 10 arranged to bear directly on the axle. The blocks may be impregnated with lubricant., such as paraffin or graphite.
Patent GB-475022-A (GB)
Title: Manufacture of ª -phenyl ethyl alcohol and homologues thereof
IPC: C07C29/00
Filed: 1936-05-07
Abstract: b -Phenylethyl alcohol and its homologues are prepared by introducing an alkylene oxide into the reaction mixture from magnesium or a magnesium alloy and chlorobenzene or a homologue thereof, and decomposing the phenylalkoxy magnesium chloride formed.  The magnesium used should have a clean unoxidized surface and the reaction with the halogenated hydrocarbon is then effected under ordinary pressure and in the absence of ether.  If ordinary magnesium be used, it must be activated by the addition of the p  halide of a metal or metalloid or of an organo-magnesium halide; magnesium which has lost its activity may be reactivated in the same way.  An aromatic, hydroaromatic or aliphatic hydrocarbon of high boiling-point may be present as diluent or suspending agent and for the same purpose an excess of the halogenated hydrocarbon may be used.  According to the example, chlorobenzene containing magnesium turnings having a clean surface is heated to boiling under reflux, ethylene oxide dissolved in chlorobenzene is gradually added, and the reaction mass is treated with dilute sulphuric acid.  Instead of ethylene oxide, propylene oxide or butylene oxide may be employed. Specification 398,561 is referred to.