baber/WOPTO huggingface dataset:
Patent GB-977767-A (GB)
Title: Improvements in the production of monopersulphate salts
IPC: C01B15/08
Filed: 1962-09-19
Abstract: A process for the manufacture of monopersulphate salts comprises reacting monopersulphuric acid with an "alkali," as defined, in a solvent at least the major proportion of which is a primary alcohol of not more than eight carbon atoms. An "alkali" is defined as a substance capable of neutralizing an acid to form a salt. Ammonia, and hy droxides, bicarbonates, and carbonates of ammonia, alkali metals, or magnesium, or mixtures thereof, are specified.  The solvent may contain a minor proportion of an ester formed from a primary alcohol containing not more than eight carbon atoms and an aliphatic acid containing not more than four carbon atoms.  An alkali metal and/or ammonium sulphate and/or bisulphate may be added to the reaction mixture.  Preferably, the temperature is maintained below 30 DEG  C.  The ammonia may be introduced by bubbling.  Otherwise the alkali may be introduced as a solid or in solution in water and/or alcohol.
Patent GB-1457602-A (GB)
Title: Two position mounting for telephone sets
IPC: H04M1/11
Filed: 1974-08-14
Abstract: 1457602 Sets NORTHERN ELECTRIC CO Ltd 14 Aug 1974 [14 Aug 1973] 35774/74 Heading H4J A telephone set (Fig. 1) can be mounted with its rearward base surface 13 mounted on a vertical wall 21 (Fig. 4) utilizing a bracket 23 (Fig. 5) or can be positioned with its forward base surface 12 on a desk or table (20) Fig. 3 (not shown), the bracket then being unused. The bracket 23 may be permanently attached to the wall by screws passing through two holes 28 or by use of two keyhole slots 32. Two studs 29 fit into keyhole slots (39) Fig. 6 (not shown) in the forward base surface 12 of the set. A captive screw 41 on the bracket 23 may be screwed into a hole (42) in the forward base surface 12 of the set. The cable to the set may be adjusted to a position suitable for wall or table mounting (Figs. 7, 8, not shown).
Patent GB-496780-A (GB)
Title: Improvements in and relating to the production of caoutchouc articles
IPC: C08K3/32
Filed: 1937-12-24
Abstract: Aqueous dispersions of rubber are stabilized, and yield light-coloured, non-sticky rubber, by the addition of alkali metal-, or amine salts of metaphosphoric acid.  According to an example, to 200 parts of 50 per cent latex are added 2 parts of sodium hexametaphosphate, 0,5 parts of glue, 10 parts of colloidal sulphur, 16 parts of zinc oxide, 4 parts of diphenylguanidine, 1 part of ammonia, and 50 parts of water, to produce a mix from which articles may be made by dipping, pouring or impregnating.  Specifications 239,849, [Class 70], and 449,428 are referred to.
Patent GB-841979-A (GB)
Title: Process and apparatus for reducing the free liquid content of loose solid material
IPC: B04B11/02
Filed: 1958-11-12
Abstract: 841,979. Centrifugal strainer separators. STAMICARBON N. V. Nov. 12, 1958 [Nov. 12, 1957 (3)], No. 36321/58. Addition to 836,424. Class 46. [Also in Group XIII] A centrifuge for reducing the free liquid content of loose solid material consists of a centrifuging chamber which has a sloped peripheral wall and/or other means for causing material which is centrifuged against the wall to advance along it, at least one discharge opening through which material in a bottom substratum of the bed of material under treatment may pass, means at the discharge side of the opening defining a space which receives but prevents scattering of the material emerging through the opening, means for preventing discharge into the space of material in a top stratum of the bed, means movable relative to and in contact with material in the space to ensure its discharge therefrom, and means for receiving material which advances past but does not discharge through the opening. In Fig. 1 material fed in at 4 advances up the bowl 1, an outer layer of more moist material being discharged through slots 7 past knives 10 which rotate at a slightly different speed in the same direction as the bowl, and whose angular position is adjustable by a lever 29. In Fig. 4 two sets of arcuate members 38, 38<SP>1</SP> are rotated at the same speed as the bowl, and are simultaneously oscillated (along with a pusher plate 34) beyond sets of slots 7, 7<SP>1</SP> respectively. In Fig. 7 (not shown), solids scraped from a suction drum filter are fed to a centrifuge 1 of the type shown in Fig. 4. The wettest solids are returned to the filter through a conduit connected to outlet 23, drier solids are returned to the centrifuge through a conduit connected to outlet 42, and driest solids are discharged across the upper edge of the centrifuge wall and leave the apparatus at 26. In all cases the wall of the centrifuge bowl may be perforated for escape of liquid. The bowl may be cylindrical where a pusher plate is provided. Two or more centrifuges may be arranged in series at least one being according to the invention, the "bottom substratum" material discharged as above described being recycled to the same centrifuge or to one earlier in the series.
Patent GB-779791-A (GB)
Title: Improvements relating to end caps for pit-props
Inventor: FRYE COLIN MICHAEL
IPC: E21D15/54
Filed: 1954-12-15
Abstract: 779,791. Pit props. DOWTY MINING EQUIPMENT, Ltd. Dec. 15, 1955 [Dec. 15, 1954], No. 36339/54. Class 20(2) A pit prop has end caps 10 of large area having sockets 12 in which the end 28 of the prop has rolling contact and spring- pressed bolts 23 return the prop 20 into alignment with the cap after tilting of the prop. The cap is reinforced by fins 13 on four of which at right angles the sockets 14 for the spring bolts are mounted. A peg 29 on the prop engages a recess in the socket 12. A washer 32 prevents coal &c. en-. tering the socket.
Patent GB-964411-A (GB)
Title: Improvements relating to stacking apparatus
IPC: B65G57/00
Filed: 1959-10-27
Abstract: 964,411. Stacking-machines. J. P. LISSIMORE. Jan. 27, 1961 [Oct. 27, 1959], No. 36425/59. Addition to 862,012. Heading B8C. The invention described in the parent Specification is modified in that an ejector 48, movable with the main carriage, holds a crate or group of crates against a barrier formed of pairs of brackets, Fig. 7 (not shown), while the platform 26 of a secondary carriage 25 is retracted. Crates delivered by gravity on a roller conveyer 75 are moved into an entry station 74 by means of a pneumatically-operated carriage 78. A pusher 67 transfers the crates on to a table 66 rotated between successive deliveries. A transfer bar 100 pushes the layer, when formed, on to the platform 26. The main carriage formed by girders 21 is raised, after which the carriage 25 is traversed on the members 21 to a position above a palletloading platform 18. The ejector 48 operates to hold the crates as the carriage 25 withdraws and the main carriage is again lowered. When the stack is completed the platform 18 is moved along rails 108 to a dispatch station 109. The platform 18 being a section of roller conveyer 106, the loaded pallet travels on under its own momentum at station 109 and is engaged by driven belts 117 for discharge by a conveyer 120. A new pallet is then ejected from a magazine 110 on to the platform 18 which returns to its loading position.
Patent GB-1355912-A (GB)
Title: Process for the production of discontinuous fibrils
IPC: D01D5/11
Filed: 1972-08-04
Abstract: 1355912 Plexifilaments SOLVAY & CIE 4 Aug 1972 [6 Aug 1971] 36573/72 Heading B5B In a process for the production of discontinuous fibrils, a two-phase liquid mixture comprising a molten polymer and a solvent are held at an elevated temperature and pressure until the pressure is suddenly released thus causing evaporation of the solvent and solidification of the polymer into fibrils. The solvent and the concentration of the polymer are chosen to give a two-phase system at elevated temperatures and pressures, the pressure is chosen as that above which the system comprises just one phase and the temperature is sufficiently high to cause the solvent to evaporate upon the release of the pressure but not too high to prevent the solidification of the polymer. In the process, a fluid is introduced into the two-phase system before the pressure reduction is complete. This introduction may be either before the reduction is started, or whilst it is proceeding.  One embodiment of apparatus suitable for carrying out the process is illustrated in Fig. 1. It consisits of a pre-release chamber 1, into which a solution of polymer is injected and where the loss of pressure is sufficient to cause the formation of two phases, and channel 4 leading to the orifice at which the pressure is suddenly reduced to ambient. The liquid is introduced into the two-phase system by means of channels 3. Examples illustrate the formation of filaments of polyvinyl chloride, polyvinylidene fluoride and polyethylene. The fluids used in the examples are nitrogen, water and dichloroethane.
Patent GB-977924-A (GB)
Title: Heel breasting machine
IPC: A43D27/02
Filed: 1963-09-17
Abstract: 977,924. Sawing. WOLVERINE SHOE & TANNING CORPORATION. Sept. 17, 1963 [Sept. 25, 1962], No. 36575/63. Heading B5L. [Also in Division A3] A method of breasting heels 52, Fig. 6, by sawing comprises arranging a number of heel doubles in a stack with each double staggered longitudinally from the adjacent double in such a way that the stack has a central dividing plane which divides each double equally and at an acute angle to one face, and sawing the stack through on this dividing plane to cut each double into a pair of similar heels having roughened front breasted edges lying at an acute angle to one face. The machine for carrying out the method has a bandsaw 19, Fig. 1, which runs over upper and lower pulleys 12, 15. The saw co-operates with upper and lower carriages 36, 38 which carry jigs 50, 80 for the stacks of double heels and are movable by fluid operated devices 90, 92 to advance the carriages alternately to the saw so that as one double heels in one jig are being sawn, the other jig is unloaded and loaded; the carriages are guided in slides 28, 30 in a frame 26 mounted on the bed 20 of the machine. Each jig comprises a pair of side members 54, 56, Fig. 4, arranged parallel to the direction of movement of the carriages, and end members 58, 60 arranged at an angle corresponding to the desired angle of the breast edge of the heels. The side members 54, 56 may have plane surfaces or stepped pieces 72 for the reception of the heels and are adjustable by means of slots 70 to the length of the heels. The end member 60 is in two portions to allow passage of the band saw, the portions being adjustable along keyway 69 to accommodate the thickness of the stack of double heels, and the end member 58 has parts 61 defining a recess for receiving the saw at the end of the movement of the carriage which also has a slot 110 to accommodate the saw. In operation, the double heels are arranged in a stack and their width measured by a gauge. A setting tool is then used to position the side members 54, 56 of the jigs the correct distance from the slots 110 in the carriages to provide heels of equal size. A stack of double heels is then assembled in jig 50 and a control box 120 and valves 136, 138, Fig. 1, actuated so that carriage 36 and jig 50 are moved past the saw 19 to cut the double heels along the dividing plane until a projection 86, Fig. 4, on the carriage operates a control valve to limit the movement of the carriage. The second jig 80 is then loaded and the valves 136, 138 actuated to cause the devices 90, 92 to retract carriage 36 and jig 50 and advance carriage 38 and jig 80. A plate 110, Fig. 5, is supported by a bar 114 mounted on the frame of the machine in the plane of the saw blade 19 and carries a chamfered plate 118 to prevent the cut heels gripping the saw blade.
Patent GB-1224285-A (GB)
Title: A combustion engine fuel control device having a hydraulic speed governor
IPC: G05D13/00
Filed: 1969-07-21
Abstract: 1,224,285. Gas turbine engine fuel systems. BENDIX CORP. July 21, 1969 [July 24, 1968], No . 36578/69. Heading F1G. In a fuel control device for a combustion engine comprising a hydraulic speed governor and a fuel metering valve responsive to a control fluidpressure which itself is varied by a lever member subjected to the action of a spring loaded as a function of the position of a control lever and to counteracting forces generated as a function of engine speed and engine acceleration respectively, the counteracting forces are both produced by hydraulic pressure responsive means supplied with distinct hydraulic pressures from an engine speed sensing means and from an engine acceleration sensing means respectively, both sensing means being carried by a rotatable member adapted to be mechanically connected to the engine output shaft. The governor comprises an engine-driven rotor 104 having a diametral bore 108 containing a centrifugal weight 130 which controls the effective flow area of a port 110 to vary, in accordance with engine speed, the hydraulic pressure applied to the interior of a bellows 80. The inertia of a column of liquid contained in a helically wound tube 156 carried by the rotor 104 causes a pressure difference to occur between the two ends of the tube when the engine is accelerated or decelerated. This pressure difference is applied to a diaphragm 88. The bellows 80 and diaphragm 88 control the position of a lever 66, in conjunction with a spring 68. The loading of the spring 68 is controlled through a cam 76 by an engine speed control lever 24. A flapper valve 64 carried by the lever 66 varies the leak-off downstream of a restrictor 56 connected through a line 58 to the discharge side of the fuel pump 34, whereby a piston 48 positions a metering valve 44 controlling the supply of fuel to the engine. The hydraulic fluid for the governor is derived from the fuel pump via a restrictor 126, a line 124, a stationary annular recess 120, ports 116, 118 in the rotor 104 and an annular channel 114 communicating with the port 110. Fuel passing through the port 110 passes via passages 134, a passage 136 and an annular recess 138 to a stationary passage 140 and thence via a passage 142 to the interior of casing 38. The fuel is vented from the casing 38 to the pump inlet via a line 53. The pressure developed intermediate the restrictor 126 and the port 110, i.e., in the channel 114, is communicated to the interior of the bellows 80 via a passage 150, a stationary annular recess 152 and a passage 86. One end 158 of the tube 156 communicates directly with the low-pressure interior of the casing 38, while the other end communicates with the casing interior indirectly via the bore 166 of a rotary spindle 162 and a restrictor 174. A passage 168 leads from the bore 166 to the upper side of the diaphragm 88.
Patent GB-177858-A (GB)
Title: Improvements in foundry moulding machines
IPC: B22C15/10
Filed: 1920-12-31
Abstract: 177,858. Nicholls, W. H. Dec. 31, 1920. Rotary disc valves. - Pipes 39, 40 leading to the opposite ends of a cylinder are controlled by a hand actuated valve comprising a disc 33 held in its seat by a spring 38 and recessed at 43, 44 to connect the pipes, one with the supply pipe 4a and the other with one of the exhaust ports 41 controlled by cocks 42. Lugs 37 on the valve permit actuation by a cross pin 36. Specification 155,475, [Class 83 (i), Casting &c. metals], is referred to.
Patent GB-414958-A (GB)
Title: Improvements in and relating to drinking troughs for animals
IPC: A01K7/06
Filed: 1933-12-30
Abstract: 414,958. Drinking-appliances for animals. SCHNEIDER, G., 14, Moorenstrasse, Essen, Germany. Dec. 30, 1933, No. 36706. [Class 5 (ii).] A drinking trough for animals comprises a valve opened by an animal rocking a pivoted nose plate which is carried on a shaft abutting under the action of a spring against one or more stationary oblique surfaces along which it slides when the nose plate is rocked so as to be displaced in its longitudinal direction and to release the valve. A valve housing b, divided transversely at b<1>, comprises an outlet d and one or more oblique surfaces m against which abut corresponding oblique surfaces or spaced projections on a shaft c carrying a nose plate h. The valve plate e is carried by a stem e<1> projecting through the housing and entering a recess in the shaft c. The nose plate comprises a boss apertured at w to receive the shaft and comprising grooves to receive lugs n on the shaft, the plate being adjustably secured in position by means of a wing nut o. A sheath i accommodating a spring r forms an extension of the shaft, a screw closure p for the sheath terminating in a ball k mounted in a thrust bearing u on the trough. By means of a screw cap s on the bearing u, the stroke of the valve may be adjusted ; by means of the screw member p, the tension of the spring r may be adjusted ; and, by means of exchangeable reduction pieces v, the water flow may be adjusted. The trough is provided with a lid t, lifted by the animal, when drinking.
Patent GB-1093785-A (GB)
Title: Improvements in or relating to apparatus for the treatment of castings
Inventor: MACMILLAN WILLIAM ROBERTSON
IPC: B22D29/00
Filed: 1965-08-27
Abstract: 1,093,785. Treating castings. TILGHMAN'S WHEELABRATOR Ltd. Aug. 12, 1966 [Aug. 27, 1965], No. 36852/65. Heading B3D. Apparatus for the treatment of castings comprises blasting means for directing particulate abrasive magnetizable material at the castings, conveying means for intermittantly conveying the castings past said blasting means, magnetic separating means for separating the used abrasive material from non- magnetizable contaminants, and feed means for automatically feeding abrasive free from contaminants to the blasting means. Apparatus for the decoring and removal of heavy surface debris from castings comprises a blasting machine 1 having an impeller wheel 2, conveying means such as a tumbling barrel, a swing table, car table or hanger type in which castings are hung from an overhead rail, and separating means for particulate steel abrasive. The separating means comprises a bucket elevator 3, a rotary sieve 4, a magnetic separator 5 and a pneumatic separator 6. The magnetic separator 5 consists of a rotary magnetic drum 7, a storage hopper 8 having a control valve 9, and a swing plate 10. While the castings are being loaded into the machine and for a period of time afterwards, the tumbling barrel is rotated to agitate the castings which results in a high proportion of the sand from the casting being removed before blasting starts. Sand falls on to a perforated floor plate, which may be stationary or vibrating, and passes along the line A to be sieved and discharged past swing plate 10, which is open, along the line B. When blasting is started, valve 9 and swing plate 10 are closed. Spent particulate steel abrasives together with contaminants including core sand, gits, wire and flash passes to the rotary sieve 4 where the gits, wire and flash are removed, the remainder falling into the magnetic separator 5. The magnetic portion, consisting primarily of steel abrasive, follows the line D past a demagnetiser and up the elevator 3 to the pneumatic separator 6 which removes residual non-magnetic contaminants and abrasive which has become too small to use, the cleaned abrasive being then ready for re-use by the wheel 2. The non-magnetic portion, consisting primarily of sand follows the line C and is stored in the hopper 8. When blasting is stopped, the valve 9 is opened and the non-magnetic portion is recirculated for a second pass separation into sand, discharged along the line B, and re-usable abrasive which is passed into the pneumatic separator 6. Instead of a rotating magnetic drum the magnetic separator may be of overband type of other single or multipole embodying permanent or electro-magnets.
Patent GB-1002266-A (GB)
Title: New and useful organopolysiloxane compositions
Inventor: KELLY PATRICK MCAVOY
IPC: C08L83/04
Filed: 1962-09-28
Abstract: An elastomer-forming composition comprises, by weight, (1) 100 parts of a diorganopolysiloxane having an average molecular weight not less than 2 x 105, (2) 0 to 20 parts of a linear siloxane having not less than 0.5 Si-bonded H atoms per Si atom and a molecular weight not greater than 20,000, (3) 5 to 60 parts of a boron-modified siloxane, (4) 15 to 100 parts of a reinforcing or semi-reinforcing filler and (5) 0.5 to 10 parts of a curing agent.  Siloxanes (1) and (2) may contain alkyl, alkenyl, aryl, fluoroalkyl, fluoroaryl, cyanoalkyl, cyanoaryl, aminoalkyl or aminoaryl radicals.  Siloxane (3) is a siloxane modified by heating it with a boron compound either along or together with FeCl3 or other compound, the boron compounds specified being a boric acid or an anhydride thereof, an alkali or alkaline earth metal derivative or metal complex of a boric acid, a boron hydride or a complex thereof with ammonia or hexamethylenetetramine, a boron oxide, a hydrocarbon borate, a boron halide or a boronic or diboronic acid.  Fillers specified are silicas (fume, precipitated and aerogel).  Curing agents specified are benzoyl, 2 : 4-dichlorobenzoyl, dicumyl, t-butylcumyl and di-t-butyl peroxides, t-butyl peracetate, 2 : 5-dimethyl - 2 : 5 - di - (t-butyl peroxy) hexane and 2 : 5-dimethyl-2 : 5-di-(tbutyl peroxy) hexyne-3. Examples are given, in which Fe2O3 is used as an additive.  Uses: The compositions may be sheeted or extruded; and may be applied to glass cloth (see Division B2).ALSO:An elastomer-forming composition comprising, by weight, (1) 100 parts of a diorganopolysiloxane, (2) 0-20 parts of a linear siloxane containing Si-bonded H atoms, (3) 5-60 parts of a boron-modified siloxane, (4) 15-100 parts of a silica filler, and 0,5-10 parts of a curing agent (see Division C3), may be applied to a substrate, e.g. glass cloth, by calendering, dipping or knife coating, followed by curing.  The cured coating can be made to adhere to itself by pressure alone; further, since an improved bond develops if the cured composition is elongated, it is useful to use a substrate cut on the bias.  The examples illustrate the coating of glass cloth tapes by dipping in a solvent dispersion of the composition.
Patent GB-1077986-A (GB)
Title: Sliding clasp fasteners
IPC: A44B19/38
Filed: 1965-08-27
Abstract: 1,077,986. Strip fastenings. LIGHTNING FASTENERS Ltd. Aug. 27, 1965 [Oct. 19, 1964], No. 36884/65. Heading E2S. A sliding clasp fastener comprises a pair of stringers each with a tape 1 with a series of interengaging coupling elements 3 and slider for coupling the elements, a separable con-  necting device for two ends comprising a pin and a socket, and a reinforcement comprising ribs 6, 7 and a grid 5 moulded with the pin 4 integrally to the tape end which passes in a zig-zag path over and under each rib 6, 7 and between pairs of ribs 11, of the grid 5 positioned in opposed relationship. The thickness of the ribs 6 allows the tape to pass through the slider. The grid 5 has a greater thickness. In an alternative form the ribs 6 extend over the width of the tape. The reinforcement may be provided at one end of both tapes.
Patent GB-1272934-A (GB)
Title: Improvements in or relating to electrochemical machining
Inventor: BROOK PETER ARTHUR
IPC: B23H3/02
Filed: 1968-08-02
Abstract: 1,272,934. Electro-machining. NATIONAL RESEARCH DEVELOPMENT CORP. Nov.3, 1969 [Aug.2, 1968], No.36895/68. Heading C7B. In electro-machining a workpiece 2 as anode, its potential with respect to the electrolyte 7 is accurately controlled within the second, plateau, region of the Jacquet voltage-current curve to produce a smooth finish on the workpiece by detecting the P.D. between the anode and a reference electrode 4 immersed in the electrolyte close to the cathode 1 and in response thereto controlling the output of the D.C. source 8, e.g. using an appropriately connected potentiostat 5, to maintain the P.D. at the predetermined value. The reference electrode may be a calomel or Ag-AgCl electrode comprising a luggin capillary. The electrolyte may be a solution of NaCl, with or without Na 2 CO 3 , Na 3 PO 4  or Na 3 Fe(CN) 6 .