baber/WOPTO huggingface dataset:
Patent GB-615061-A (GB)
Title: Improvements in reversible disc ploughs
IPC: A01B5/08
Filed: 1946-08-21
Abstract: 615,061. Agricultural implements. RANSOMES, SIMS, & JEFFERIES, Ltd., and GARRARD, J. R. Aug. 21, 1946, No. 24949. [Class 6 (i)] A reversible disc plough is provided with a single rear wheel, the inclination of which to the line of draught is reversed automatically on reversing the discs. The invention is shown applied to a plough similar to that described in Specification 336,801 [Class 6 (i)] and having a cranked frame 3 in which is mounted a rotatable beam 1 carrying ploughing discs. The rear end of the beam carries a bevel gear 5 which is engaged by a toothed sector 8 to rotate the beam and reverse the discs. The sector is rotated by a hand lever 11. The rear wheel 12 is mounted on a cranked axle 13 carrying a tongue 24 which locates itself in a forked member 26 when the wheel is in its working position. The forked member is swung from side to side on the rotation of the beam by an eccentric pin mounted on an extension 6 of the plough beam. For transport the rear wheel may be lowered, and the main frame thereby raised, by a lever 19 and quadrant 17, and, when this occurs, the tongue 24 no longer engages the fork 26 and the rear wheel casters freely.
Patent GB-170995-A (GB)
Title: Improvements in method of melting and casting metals
IPC: B22D27/15
Filed: 1920-08-30
Abstract: 170,995. Bats, J. H. L. de. Aug. 30, 1920. Casting-machines; metal-pouring; electricity, heating by.-Metal is melted and cast into a mould whilst maintained in an inert atmosphere. A crucible 10 is raised by means of a power cylinder 12 to close a sand seal 13 in a heating-chamber 5 fitted with electrodes 8, 9 or with other electric or with gas or other heating-means. Inert gas mav be supplied at 6. After melting, the crucible is lowered and seized by tongs 19 controlled for clamping at 20 and for rotation at 21 to tilt the crucible and pour the metal into a mould 17. The mould chamber may be exhausted.
Patent GB-909909-A (GB)
Title: Improvements in tape driving mechanisms
IPC: B41L45/00
Filed: 1961-07-11
Abstract: 909,909. Magnetic recording apparatus. INTERNATIONAL BUSINESS MACHINES CORPORATION. July 11, 1961 [Aug. 25, 1960], No. 25028/61. Class 40 (2). In a tape transport mechanism in an electronic computer, or the like, the tape passes from a supply spool 14 to a first tensioning device comprising a suction chamber 24 then engaged by a forwardly driving capstan 28 and pressure roller 32, thence through a transducing unit 16 to a second tensioning suction chamber 26 so that the tape is pulled through the transducing unit 16. The lengths of the tape in the suction chambers is maintained within definite limits by upper and lower vacuum switches LUV, RUN and LLV, RLV, respectively, which control the drives of supply spool 14 and take-up spool 18. Forward or reverse drive is effected by forward or reverse solenoids 94, 96, Fig. 4, respectively, which bias a linkage mechanism to bring into operation the pressure roller 33 or 34, respectively, to establish driving by its associated capstan 28 or 30 respectively. In the normal, inoperative, position a rod 110 is in a lower position, so that drive in neither direction can be established by the closing of the circuits of solenoids 94, 96. Such operation only becomes possible when energization of moving coil 100 causes the rod 110 to be repelled from the magnet 98. Specifications 733,807 and 907,975 are referred to.
Patent GB-629269-A (GB)
Title: Ink drying burner
IPC: B41F23/04
Filed: 1946-08-22
Abstract: 629,269. Atmospheric gas burners. KEMP MANUFACTURING CO., C. M. Aug. 22, 1946, No. 25035. Convention date, Dec. 8, 1945. [Class 75 (i)] [Also in Group XIII] A burner has a longitudinal flameprojecting orifice 26, a number of burner openings 27, and lateral burner face sections 19 forming a burner face of shallow V-shape. An air gas mixture enters both ends of a chamber 10 from pipes 2, and passes into an intermediate chamber 23 through openings 17 controlled by valves 15, and also through smaller openings 24, Fig. 1. Valves 15 are in separate end compartments and the length of the burner flame may thereby be shortened. The combustible mixture passes through alternately spaced openings 27 in a plate 18, and is ignited by a coil 29 embedded in a combustion chamber and plate 28. Cooling water fed from a pipe 7 circulates through sections 19, and passes out through a pipe 8. Specification 329,181, [Class 135], is referred to.
Patent GB-665796-A (GB)
Title: Improvement in tail wheel jack
IPC: B64C25/50
Filed: 1949-09-29
Abstract: 665,796. Aircraft undercarriages. NORTHROP AIRCRAFT, Inc. Sept. 29, 1949 [Jan. 18, 1949], No. 25054/49. Class 4. In order to permit adjustment of the height above ground of the tail end of the fuselage of a freight aircraft, the supporting member 9 of the tail wheel 7 is carried by two pivoted members 10, 11, of which the latter incorporates a shock-absorber and the former has a bell crank arm 14 connected to the piston rods 18 of a pair of hydraulic jacks 19. The latter are controlled by a four-position selector valve 45, Fig. 4, actuated by a manually controlled lever 28 through a cable 33 and links 42, 43 ; the latter also releases an undercarriage up-lock 39 through a cable 38 when the wheel 7 is lowered. The hydraulic circuit includes a flow-restriction valve 51, non- return check valves 53 and a thermal relief valve 56. Over-extension of the undercarriage is prevented by an extensible link 57, Fig. 5, which, as the limit position is approached, pulls the uplock 39 towards the locked position and pulls the cable 38 to return the selector valve 45 to the neutral position.
Patent GB-1006646-A (GB)
Title: Process for the production of polyethylene with a high melting point
Inventor: EHRHARDT ELIZABETH ANTON HEINZ
IPC: C08F110/02
Filed: 1964-06-17
Abstract: Polyethylene is made by polymerizing ethylene in the presence of a catalyst formed in situ and consisting of vanadium oxytrichloride or vanadium tetrachloride, and an aluminium trialkyl or aluminium alkyl chloride, and a purified aliphatic or hydroaromatic solvent. In the catalyst the molar ratio of the aluminium compound to the vanadium compound is between 3: 1 and 20: 1.  The catalyst is preferably formed by adding the aluminium compound to the purified solvent in an ethylene atmosphere, and then adding the vanadium compound.  The polymerization temperature is between 20 and 80 DEG  C.  Exemplified solvents are methyl cyclohexane, and a petroleum fraction of boiling range 80-120 DEG  C. The preferred aluminium compound is ethyl aluminium sesquichloride.
Patent GB-1388868-A (GB)
Title: Electrical connector devices
IPC: H01R13/428
Filed: 1972-05-26
Abstract: 1388868 Two-part couplings SOCAPEX 26 May 1972 [28 May 1971] 25095/72 Heading H2E A coupling part comprises an insulating housing 1 with locations 10 for receiving contacts (male 2, or female 3), each location having at least two pairs of openings 12, 13, 14 which receive laterally extending catches 5, 6 of the contacts. By choice of opening 12, 13, 14 the contact may be located at a desired depth within the housing such that when the part is mated with a complementary part (not shown) contacts located in openings 14 will make connection before those in openings 13. While those in openings 12 will make connections last of all.
Patent GB-462724-A (GB)
Title: Improvements in the colouration of materials
IPC: D06P1/22
Filed: 1935-09-11
Abstract: Colourations upon filaments, yarns, fabrics, straws, sheets, foils and the like made of or containing cellulose esters or ethers are made fast to rubbing by heat treatment at above 150 DEG  C. Specified colourations treated are dyeings with indigo, N : N<1>-dimethylindigo, Ciba blue 2B, Ciba heliotrope B, thioindigo, Ciba bordeaux B, Ciba green G, Alizarin indigo 3R, anthraquinone vat dyes, 1 : 4-di(methylamino)-, 1-b -hydroxyethylamino-, 1 : 2-dioxy-5 : 8 - di(methylamino)-, 1 - hydroxy - 4 - amino-, and 1 : 4-diamino-anthraquinones, 2 : 4-dinitro-, 2 : 4-dinitro-4<1>-hydroxy- and 2-nitro-4-chloro-4<1>-ethoxy-diphenylamines, 4-nitro-2-methoxybenzene - 1 - azo - dimethyl- and diethyl-anilines and azo dyes produced upon the fibre.  The cellulose ester or ether materials may contain also pigments, fillers, fire retardants, plasticizers or sizes.  The heating may be effected by contact with heated elements, hot air or wet or dry steam.  The following examples are specified: (1) a mixed fabric of cellulose acetate (75 per cent) and cotton (25 per cent), dyed by applying leucoindigo from a bath containing ammonia and hydrosulphite and drying at 50--65 DEG  C. to oxidize the leuco compound, is heated for 15 minutes in air at 160 DEG  C.; (2) cellulose acetate staple fibres, dyed with a mixture of 1 : 4-di-(methylamino)- and 1-b -hydroxyethylaminoanthraquinones and 2 : 4-dinitro-4<1>-hydroxydiphenylamine from a bath containing soap and soda ash, are rinsed in hot water and dried for 15 minutes at 150--160 DEG  C.; the resulting brown dyeing is fast to perspiration and on using the fibres in association with animal fibres the mixed material may be fulled or scoured without bleeding of the colour. The Specification as open to inspection under Sec. 91 comprises also the fixing of direct cotton and acid dyes upon the cellulose esters or ethers by the heat treatment.  This subject-matter does not appear in the Specification as accepted.
Patent GB-590569-A (GB)
Title: Improvements in tools for the moulding of pie casings
IPC: A21C11/00
Filed: 1945-12-14
Abstract: A die for moulding pie casings has channels in its surface, the channels being V-shaped in cross-section and gradually merging into the surface at each end.  The channels are criss-cross and form sockets in which air is locked during the moulding of the pie casing, this aid preventing pastry sticking to the die.ALSO:A rolling-pin has channels in its surface, the channels being V-shaped in cross-section and gradually merging into the surface at each end.  The channels are criss-cross and form sockets or recesses in which air is locked during the rolling of the pastry, this air preventing pastry sticking to the pin.
Patent GB-402569-A (GB)
Title: An improvements in or relating to swings
IPC: A63G9/16
Filed: 1932-09-12
Abstract: 402,569. Swings. HIRST & SONS, Ltd., B., and HIRST, C., Britannia Works, Weymouth Street, Halifax, Yorkshire. Sept. 12, 1932, No. 25326. [Class 132 (i).] A swing of the type comprising a relatively narrow plank member across which the users can sit astride and which is suspended at each end by cords or chains so that as the plank swings to and fro it remains in a horizontal position is characterised in that the plank is provided at each end with a transverse member, each such member being suspended by two parallel chains or the like appropriately spaced apart. As shown, the plank a has at its centre the usual pivoted lever b with a hand-grip c at the top and a foot-rest d at the bottom. At each end of the plank is a transverse member e of greater width than the plank and having at each end a suspension chair or the like e<1>. According to the Provisional Specification the suspension members may comprise rods pivoted to the supports at their upper ends and connected to the transverse members by short lengths of chain. Each pair of rods may be braced by diagonal braces.
Patent GB-600107-A (GB)
Title: Folding suspensible chair
IPC: A47D1/10
Filed: 1945-10-01
Abstract: 600,107. Folding chairs. BARRATT, E. G. Oct. 1, 1945, No. 25395. [Class 52(ii)] A folding suspensible chair comprises a back portion provided with hooks 12 for engaging the back of a chair, a seat 18 hinged to the back by a horizontal hinge 19, sides hinged to the back by vertical hinges 16, a tray 23 the arms 24 of which are hinged to the back by horizontal pivots 25, a foot rest 27 the arms 29 of which are pivoted to the arms 24 by horizontal pivots 31 and lugs or clips 26, 32 for supporting the tray and foot rest in operative positions. The back preferably comprises a sheet of metal having side wings and the lower edges of the sides 15 are in-turned to provide abutments for the seat in operative position. The arms 29 of the foot rest 27 may be slotted as at 30 to reduce the overall length of the chair when folded.
Patent GB-637403-A (GB)
Title: Improvements in or relating to high-pressure reciprocating lubricating pumps
IPC: F16N5/00
Filed: 1945-05-16
Abstract: 637,403. Reciprocating pumps. UNI-GUN LUBRICATING EQUIPMENT, Ltd., and MARTONFALVY, I. C. May 16, 1945, No. 25431/47. Divided out of 637,363. '[Class 102(i)] A lubricant pump comprises a small cylinder 41 attached to a barrel 29 secured to the upper end of the lubricant container. A piston 39 slides in the cylinder 41 and is secured by a universal joint 40 to the pump rod 37. The end of the piston extending into the barrel 29 is smaller than that in the cylinder 41 and the dimensions of the smaller part and the barrel 29 are chosen so that the pump. delivers equal quantities on each stroke. The piston carries a valve 46 in a bore 43 connecting ports 44, 47. A priming piston 53 is carried by a rod 48 that has frictional contact with the suction valve 49. Inlet ports 54 are provided at the lower end of an extension of the pump cylinder.
Patent GB-982145-A (GB)
Title: Improvements in or relating to electrical pulse generators
Inventor: CRESSWELL JOHN VERNON
IPC: H03K3/33
Filed: 1961-07-13
Abstract: 982,145. Delay lines. BRITISH TELECOMMUNICATIONS RESEARCH Ltd. July 13, 1962 [July 13, 1961], No. 25435/61. Heading H1W. [Also in Division H3] In a pulse generator (see Division H3), a pair of identical delay lines are formed by copper strips L1, L2 on one side of a glass fibre plate, coated with copper on the reverse side. The right-hand ends of the lines are shortcircuited to the reverse side, the lines being joined for a distance which is considerably greater than their width so as to provide transformer action. A further line L3 consists of a short length of copper wire and is used as a low-pass filter.
Patent GB-1427111-A (GB)
Title: Non-destructive hardness testing of articles such as cigarettes
IPC: G01M3/36
Filed: 1974-06-07
Abstract: 1427111 Testing hardness of cigarettes TOBACCO RESEARCH & DEVELOPMENT INSTITUTE Ltd 7 June 1974 [12 June 1973 31 Jan 1974] 25497/74 Heading G1S An open ended cylinder 10, Fig. 1, is provided with an inner rubber tube 12, a gauge tube 20 communicating with liquid surrounding the tube and with a source of vacuum 22, and a connection to a source of vacuum 18. In operation, vacuum is first applied at 22 to expand the tube 12 and allow a cigarette 14 and a plug 16 to be positioned inside. The suction is then released and the liquid settled around the cigarette to give a reading 'Do' of the cigarettes diameter up the gauge 20. Vacuum is then applied at 18, and the decrease in diameter D 1  noted. A further higher vacuum is then applied and a further reading of diameter D2 noted. From these pressure and diameter readings the hardness of the cigarette may be determined from a simple stated equation. In Fig. 2 (not shown) the cylinder 10 is connected to several gauge tubes in which the different readings may be held by electrically operated valves controlled by a push button circuit.
Patent GB-165693-A (GB)
Title: An improved packing for preventing leakage of pressure fluid
IPC: F16J9/02
Filed: 1920-09-04
Abstract: 165,693. Philbrow, W. E. Sept. 4, 1920. Piston packing, applicable also for stuffing-boxes comprises two or more nested conical rings c, d each formed with an inner flange f and an outer flange e. The rings are partially or wholly divided by a number of cuts and are arranged to break joint. Copper and asbestos or other compressible washers i may be placed between the flanges f. The packing ,is shown applied to a piston constructed as described in Specification 160,648.
Patent GB-1468254-A (GB)
Title: Deep-freezers
IPC: F25D17/06
Filed: 1974-06-11
Abstract: 1468254 Refrigerators LINDE AG 11 June 1974 25743/74 Heading F4H An open-topped refrigerated display cabinet comprises a goods compartment 2, surrounded by insulating walls 1 containing cooling coils 3, and a transition chamber 7 defined by walls 5, 6 located above and surrounding the access opening 4. The chamber 7 contains an evaporator 8 and a fan 9 for providing a cold air barrier 10 across the opening 4. In a second embodiment, Fig. 3, two evaporators 8a, 8b and two fans 9a, 9b are provided in the transition chamber. The cooling coil 3 and the evaporator may run off separate circuits. The sides and/or the floor of the goods compartment may be provided with cooling coils. The floor of the compartment, in the absence of a cooling coil, may be provided with a cooling plate fitted with a cooling coil or made of cold-retaining material.
Patent GB-1248728-A (GB)
Title: Liquid-cooled disc brake assembly
IPC: F16D65/853
Filed: 1970-05-28
Abstract: 1,248,728. 728. Driving pumps. GENERAL MOTORS CORP. May 28, 1970 [June 18, 1969, June 27, 1969], No.25772/70. Heading F1C. [Also in Division F2] A liquid-cooled disc brake assembly (see Division F2) includes a single-cusp pump impeller 76 splined to a wheel hub 20 to the right of brake discs 70, and rotating in a toroidal pump chamber 78. Cooling liquid is discharged through pump outlet pressure passage 82 to a brake inlet chamber 84 surrounding the disc pack, and is forced inwards to a coaxial brake outlet chamber 80. An extra stationary disc 74, extending further inwards than stationary brake discs 72, adjacent impeller 76, prevents the flow from by-passing the disc pack. From chamber 80 liquid flows axially along cooling-liquid outlet passages 88 (the gaps between the pump splines) to a further annular chamber 90. External circuit.-The cooling liquid is conducted from annular chamber 90 along an outlet line 94, Fig. 5, to a pipe passing through the vehicle radiator, and thence preferably to the pump inlet line of a similarly-constructed brake assembly in a wheel on the opposite side of the vehicle Fig. 6 (not shown). The cooling liquid returns via the radiator to the pump inlet, which communicates with the chamber 78.
Patent GB-501153-A (GB)
Title: Improvements in hangers for the suspension of pictures, calendars, pamphlets and thelike
IPC: A47G1/16
Filed: 1937-09-23
Abstract: 501,153. Hanging pictures &c. on walls ; hooks. MURRAY, J., and ORROCK & SON, Ltd. Sept. 23, 1937, No. 25790. [Class 52 (iv)] [Also in Group XV] A suspension plate 1 has integral oppositelydirected hooks 2 formed on one of its edges to engage rings or loops serving to bind a pack of loose leaves.
Patent GB-257120-A (GB)
Title: Improvements in or relating to the running-boards of motor and like vehicles
IPC: B60R3/00
Filed: 1925-10-16
Abstract: 257,120. Adams, W. Oct. 16, 1925. Footboards.-To the upper surface of the footboard J of a motor or other vehicle is secured a circular or other plate C adapted to be revolved by the foot of a person entering the door, thus avoiding wear of the footboard. The plate C is preferably mounted on ball or roller bearings, as by balls G fitting in recesses H in the upper of two plates A, B, and engaging annular corrugations D, F in the plate C. Slipping of the foot is prevented by the corrugations or by a roughened or anti-slip surface on the plate. A bolt K and nut L secure the plate to the footboard, and a flange C<1> on the plate excludes dirt &c.
Patent GB-534740-A (GB)
Title: Improved device for facilitating rapid needle-changing in gramophones
IPC: G11B3/46
Filed: 1939-09-14
Abstract: 534,740. Sound recording and reproducing. FABBRICA ITALlANAMAGNETIMARELLI. Sept. 14, 1939, No. 25861. Convention date, Sept. 16, 1938. [Class 40(ii)] A device for facilitating needle changing and correct positioning of new needles comprises a main support 1, Fig. 2, a member 8 pivoted on the support 1 and a spring member 12 which tends to return the member 8 to the position shown after clockwise displacement. The upper part of 'the spring 12 is shaped as a fixed vane 12<SP>1</SP> having a hole through which a needle 5 when released from the pick-up tends to fall. Clockwise movement of the member 8 brings a hole in its upper surface 8<SP>11</SP> into line with the hole in the vane 12<SP>1</SP> allowing the needle to fall to a suitable receptacle. When the member 8 is returned to the position shown it serves to position correctly a new needle inserted through the upper face of the pick-up. The shape of the pivoted member 8 is such that its face 8<SP>11</SP> moves away from the point of the needle if the latter has not been released and thus no damage is caused to a needle if the pivoted member is accidentally moved when the pick-up is on the rest 1.
Patent GB-997764-A (GB)
Title: Improvements in or relating to continuous steel-making
Inventor: THRING MEREDITH WOOLDRIDGE
IPC: C21C5/56
Filed: 1963-06-29
Abstract: 997,764. Hydraulic apparatus. THRINGS EXPERIMENTAL DEVELOPMENTS Ltd. June 23, 1964 [June 29, 1963; Sept. 5, 1963], Nos. 25927/63 and 35031/63. Heading F1P. [Also in Division F4] A ladle-tilting valve 27 comprises a ram 24 with a piston 33 in a cylinder 25, and a block 28 having a central bore accommodating a rod 29 attached at 30 to the ram 24, and bores 34 and 35 parallel to the central bore. The bores 34 and 35 communicate with the central bore via transverse passages 37 and 38, the latter having graded orifices 39. The rod 29 has a neck 32 level with the piston 33 of the ram 24 so that as the rod moves up, the neck uncovers the passages 37 and 38 and fluid flows from the bore 34, which is connected to a pressure pump, to the bore 35 and hence to the cylinder 25 via a pipe 40.
Patent GB-246762-A (GB)
Title: Improvements in bottle raising and lowering mechanism for bottle filling machines
IPC: B67C3/24
Filed: 1924-10-31
Abstract: 246,762. Blaxter, A. P., Chaloner, G. W., and Blaxter, A. P. L., (trading as Barnett & Foster). Oct. 31, 1924. Bottling. - In a rotary bottling - machine having a track for holding the bottle supports in their raised or filling positions, the bottle supports are raised to and lowered from the level of the track by means independent thereof so that the whole of the track holds the bottle supports with the bottles in the filling position. The machine comprises bottle supports 5 adapted to move along a circular track 7 which causes them to press the bottles up against the filling-nozzles. To receive an empty bottle, each bottle-rest 5 is supported below the level of the track on a movable section 38 thereof and this section is mounted on a pivoted arm 45 adapted to be raised, to lift the section of the level of the track, by a cam 40 on a shaft 42. When a bottle has been thus raised to the filling-nozzles and has travelled around the track 7 its support is lowered therefrom by a second cam on the shaft 42. The device is particularly adapted for use in a machine, such as that described in Specification 246,584, comprising syruping, filling and crowning units and having mechanism as described in Specification 246,733 for transferring the bottles from unit to unit. According to one of the Provisional Specifications, a single section of the track is movable and supports three bottlerests.