baber/WOPTO huggingface dataset:
Patent GB-1450734-A (GB)
Title: Variable capacity wobble plate compressor
IPC: F04B27/18
Filed: 1974-03-11
Abstract: 1450734 Reciprocating compressors BORG-WARNER CORP 11 March 1974 [4 April 1973] 10798/74 Heading F1N In a compressor having a plurality of pistons 34 each reciprocable in a respective cylinder 20 by a non-rotatable wobble plate 36, the pressure developed in a sealed casing 10 by gas blowing past the pistons 34 is controlled thereby to alter the forces acting on the undersides of the pistons and so cause a change in the inclination of the wobble plate about a point 85 spaced from and rotatable about the axis of the wobble drive-shaft 22. When the compressor is working at full capacity oil from a rotary oil pump 100, driven by the shaft 22, is delivered to a chamber 108 to urge, via connected pistons 53, 54, 61, the wobble plate to its maximum tilt position. The output pressure of the pump 100 is controlled by a relief valve 154 and is applied through a line 162 to open a valve 160 controlling a line 164, 170 connecting the gas suction line 172 to the sealed casing 10. As the suction gas-pressure falls, a valve 166 in the line 164, 170 responds to the pressure fall in a branch connection 171 and moves an element 168 to a position restricting flow from the casing 10 to the suction line 172. This causes the casing pressure to increase and thereby decrease the inclination of the wobble plate until eventually the inclination becomes zero and the pistons remain at top dead centre. The wobble plate is mounted on a universal joint assembly 46 movable by the pistons 53, 54, 61. The assembly 46 comprises a yoke 48 having oppositely disposed trunnions 49, 50 received in bearings 51, 52 in the wobble plate 36, the yoke 48 being movable about pivots 57 carried by the pistons 53, 54 and disposed perpendicular to the trunnions 49, 50. Wobbling motion is transmitted to the plate 36 by a rotatable drive ring 60 having ears 62 disposed either side of a squared portion of the drive-shaft 22 and connected by a pin 64 extending through an elongated slot 66 in the driveshaft. A spring 90 in the shaft urges the pin 64 in a direction tending to reduce the wobble inclination A ball bearing assembly 72 is disposed between the plate 36 and the drive ring 60. Balancing is achieved by weights 73 secured to the wobble plate and by a heavy ring 68 carried by a support ring 69 attached to the driving ring 60. The balance ring 68 is also connected by two links 82 to a reaction ring 80 press fitted on to the shaft 22, the links 82 determining the pivot point 85 for the wobble plate. Gas enters the cylinder from an outer suction plenum 124 in a head 14 through valve controlled ports 128 and is delivered under pressure through valve controlled outlet ports 130 leading to a central discharge chamber 126.
Patent GB-887673-A (GB)
Title: Improvements relating to polypropylene yarns
IPC: D02G1/02
Filed: 1959-03-31
Abstract: The elasticity of yarns formed from or containing highly crystalline, linear, essentially unbranched head-to-tail polypropylene having an average molecular weight exceeding 10,000 as determined viscosimetrically, is enhanced by twisting the yarn to an extent determined by the formula <FORM:0887673/IV (a)/1> wherein n is the number of turns per metre, Y is the initial count in denier of the starting fibre and X is a number between 0,7 and 1,1 directly proportional to the intrinsic viscosity of the polypropylene used, fixing the thus-twisted yarn, drying it and thereafter untwisting it and continuing said untwisting beyond the zero point.  Two yarns twisted in opposite senses and treated as above may be subsequently coupled together and twisted to an extent of 50 to 300 turns per metre.  The yarn is preferably fixed by vapour under pressure in an autoclave at about 130 DEG C.  The fibres may be further processed by bleaching, dyeing or moulding and may be formed into gloves, elasticized tape, fabrics and hosiery.
Patent GB-568804-A (GB)
Title: Improvements relating to apparatus for heating or cooling water or other liquids
IPC: F28D21/00
Filed: 1943-07-06
Abstract: 568,804. Straight - tube heat - exchangers. TOD, D. V. July 6, 1943. No. 10936. [Class 64 (iii)] In a heating or cooling unit which comprises pairs of concentric tubes 4, 5 connected at each end to inner and outer tube plates 6, 7 which form header chambers 8, 9 connected by the annular passages between the concentric tubes, the inner tubes opening through the outer tube plates 7 into spaces which communicate with a space around the outer tubes defined by a vessel (not shown) in which the heating or cooling unit is fitted, the tubes are arranged horizontally or in an inclined position in the vessel and the inner tubes 5 open at one end into a chamber 11 formed between one of the outer plates 7 and a cap 10 fitted on. it, the cap having an outflow pipe 12 which communicates with a draw-off connection and with a pipe which returns the liquid being heated or cooled from the cap chamber 11 to the vessel. One or both of the headers may contain a partition such as 16, and inlet and outlet connections 14, 15 for the heating and cooling medium may be provided either both in one header or one in each header.
Patent GB-586686-A (GB)
Title: Improvements in hose clips
IPC: F16L33/04
Filed: 1944-06-08
Abstract: 586,686. Hose pipe clips. GUEST, KEEN, & NETTLEFOLDS, Ltd., WHITCOMBE, C. J., and OAKES, E. R. June 8, 1944, No. 10966. [Class 44] A wire clip for hose-pipes of the kind in which the ends overlap and tightening is effected by a screw thrusting the ends apart to increase the overlap, is made in two parts pivoted together on a pin 14. Part 10, shown separate, Fig. 5, is of one piece of wire bent as shown, to provide a pair of limbs 12 with loops 13 joined by the cross-piece 15, the free ends being bent to form hooks 16 which are detachably engaged in apertures 31 of a nut 30, or, according to the Provisional Specification, are engaged in circumferential grooves formed on the nut. Part 11 is bent to provide loops 18 near the bight 17, and a pair of side limbs 19 terminating in loops 20 which are assembled in register with the loops 13 and receive the pivot pin 14. Pin 14, headed at end 21, is retained by a reduced portion at the other end being riveted over a washer 22. Reduced side portion 23 of a thrust plate 24 are pivotally held in the loops 18. The screw 26, after being threaded through the nut 30, has its reduced end 27 rotatably anchored in a hole 25 in plate 24, by heading the extreme end. The band is opened for application or removal by disengaging the hooks 16 from the apertures 31.
Patent GB-833205-A (GB)
Title: Process for the treatment of effluents from synthetic resin plants
Inventor: SPENCER DONALD
IPC: C08G8/00
Filed: 1955-04-15
Abstract: Effluent from a synthetic resin plant and containing phenols and formaldehyde is introduced at 1, Fig. 1, to an extraction stage I where phenols are removed by counter-current extraction with butyl acetate introduced at 2.  The contaminated butyl acetate passes along a line 3 to a recovery column III whence butyl <PICT:0833205/III/1> <PICT:0833205/III/2> acetate is recovered at the head and passes along a line 9 to a storage vessel A and whence phenols are recovered at the base and pass along line 10 to storage vessel B.  Dephenolized effluent from stage I, together with water removed in a decanter G from the solvent recovered from column III, passes into the top of a stripping column II, heated by a steam coil 12, whence butyl acetate is removed from the head as the azeotrope with water and is recovered by decantation, and solvent-free effluent still containing formaldehyde passes along line 6 to a pressure distillation column IV heated by steam at 13.  Concentrated formaldehyde solution is removed from the head to a storage vessel C, while the stripped effluent is discharged at 7 after heat exchange with line 6 at D.  Effluent containing, besides phenols and formaldehyde, methanol and oxalic acid, is introduced at 31, Fig. 3, to a stage VII where fluid resins separate and thereafter to a stage VIII where oxalic acid is removed as calcium oxalate by addition of lime, and thereafter to a stage IX where phenols are removed by countercurrent extraction with butyl acetate, introduced at 34 and discharged at 35 to a column X, steam-heated at 46.  From the column X the butyl acetate passes to a storage vessel J and the phenols to a vessel K.  Dephenolised effluent from column IX passes by line 39 and heat exchanger N to a stripping column XI, which also receives water from a decanter L, and from which butyl acetate passes back to line 34, and effluent still containing methanol and formaldehyde passes on to a pressure distillation column XII.  A mixture of formaldehyde and methanol is passed thence to a storage vessel M while purified effluent passes out at 42 via heat-exchanger N.  A separate side-stream formaldehyde product low in methanol may be removed through line 43.ALSO:In the production of phenol-formaldehyde resins the waste effluents passing from the vessels used are treated to effect separation of phenol and formaldehyde therefrom by countercurrent extraction using as extracting liquid a solvent for the phenolic substances which is at most only partly miscible with the liquors and thereafter subjecting the residual liquors to distillation to separate a substantial proportion of the formaldehyde contained therein.  Examples of solvents are butyl acetate and methyl isobutyl ketone.  Effluents containing acids are substantially neutralized as a preliminary step in the process.  Where the effluent contains a volatile alcohol a substantial proportion of it is separated, after removal of phenolic substituents, by distillation.
Patent GB-456874-A (GB)
Title: Improvements in and relating to doctors for use with intaglio printing machines
IPC: B41F9/10
Filed: 1936-04-17
Abstract: 456,874. Printing-machines. MASCHINENFABRIK AUGSBURG NURNBERG AKT.-GES., 7, Stadtbachstrasse, Augsburg, Germany. April 17, 1936, No. 11053. Convention date, May 29, 1935. [Class 100 (ii)] Inking-apparatus.-A doctor blade 1 for an intaglio printing machine is supported from beneath adjacent the operative edge in such a manner that it is in a state of tension before its application to the printing surface. This reduces the movement of the doctor support necessary to lift the blade as it passes the gap in the cylinder in which the ends of the printing plate are secured. The blade 1, which may be stiffened by one or more plates 9, is clamped between an upper bar 2 'and a lower bar 3 which has an upturned portion 8 which causes the blade 1 to be bent and thereby tensioned. When the blade is applied to the printing plate 10 it is further bent and any ink which passes between it and the bar 3 escapes through holes 13 provided in the bar.
Patent GB-200905-A (GB)
Title: Improvements in or relating to electric heating fabric
IPC: H05B3/34
Filed: 1922-04-20
Abstract: 200,905. Charles, B. R. April 20, 1922. Warming wearing-apparel.-A resistance wire 4, which may be bare or covered, is wound helically on a pliant core 3 which is attached by zigzag stitching to a fabric 1. The fabric may be formed into blankets, robes, or other wearing- apparel, or may be made up into pads. The different sections of the resistance wire. may be spaced from one another to permit flexing of the fabric. The core may be a stranded cord.
Patent GB-395116-A (GB)
Title: Improvements in a vaginal cleansing apparatus
IPC: A61M29/00
Filed: 1932-04-18
Abstract: 395,116. Syringes. FUNAMI, K., 4, Shiomachi Amagasaki-shi, Hyogoken, Japan. April 18, 1932, No. 11106. [Class 81 (ii).] A vaginal syringe comprises a vessel I having slidable therein, against the action of a spring 7, a cylindrical extension 8 carrying a flared elliptical contact piece 9. Wire dilating bows 5 are provided which can be moved apart against the stress of a spring 4 by pressure on studs 6. Liquid is introduced from a suitable filler through a spray pipe 3 and may be collected in a dilatable bag connected to an outlet 2.
Patent GB-182591-A (GB)
Title: Improvements in quick make and break electrical switches
IPC: H01H19/635
Filed: 1921-04-16
Abstract: 182,591. Shergold, F., and Edison Swan Electric Co., Ltd. April 16, 1921. Switches, quick-action, of the ironclad type, have the movable switch mechanism mounted on the hinged lid and the contact member guided on a post depending from the lid so as to move rectilinearly. The contact-member, which is held in the open and closed positions by a spring-controlled pin which is removed by the operating member when the spring has been adequately strained, comprises a sleeve 8 sliding on the post 7 and having arms 9 terminating in clamps for the fuse-holders 11. The clamps are interconnected by a pin 22 to which the ends of two springs 33, 34 are fastened, the other ends being connected to crank arms 31, 32 secured to the handle shafts which is mounted in the cover. A pair of links 20, 21 extend between the pin 22 and the operating shaft and have a slot connection with the pin and loose mounting on the shaft. Intermediate slots in the links accommodate a locking pin 23 controlled by a spring push-pin 26 so as, in the on and off positions of the switch, to engage recesses 28, 29 in a plate 27 extending from the cover and loosely surrounding the operating shaft to give rigidity. In closing the switch from the position shown, the springs are first strained, but the contact member is retained by the engagement of the pin 23 with one of the recesses until cam surfaces 36 on the inner parts of the crank members push the pin out of the recesses, whereupon a quick spring action follows. If the springs fail,. the cam surfaces first drive the pin to the end of the slots and then lock up with it rigidly so as. to drive the links, and consequently the contactmember, positively. A cam formation on the exterior of the handle shaft co-operates with a projection on the fixed portion of the casing to interlock the switch mechanism and cover.
Patent GB-606495-A (GB)
Title: Improvements in or relating to water heaters
IPC: F24H1/18
Filed: 1942-08-10
Abstract: 606,495. Electric water heaters. GERTSCH, H. Aug. 10, 1942, No. 11165. Convention date, Aug. 13, 1941. [Class 39(iii)] [Also in Groups XIII and XXXVII] In a domestic hot water storage vessel comprising a hot water tank 24, a cold water supply tank 5 with floats 12, 33 controlling the supply and draw off of water and the switching on and off of the heating means, the latter comprises a cylindrical vessel 15 with a cylindrical heating element 18, an intermediate cylinder 19 being spaced between the vessel 15 and an outer casing 16 to form an annular air insulating chamber 21. The flow of water from the tank 5 is through a pipe 13 and thence through a coil 13<1> wound round the casing 16 into a pipe 14 and thence upwardly through the vessel 15 and upcast pipe 22 into the hot water tank 24.
Patent GB-398451-A (GB)
Title: Improvements in or relating to matrix-setting and type-line-casting machines
IPC: B41B7/18
Filed: 1933-04-13
Abstract: 398,451. Type-bar-making machines. TYPOGRAPH GES., 17, Huttenstrasse, Berlin. April 13, 1933, Nos. 11172, 11173, and 11174. Convention dates, July 1, 1932, Dec. 15, 1932, and March 16, 1933. [Class 100 (iii).] Assembling and clamping matrices; driving- mechanism.-In machines having matrices circulating on wires, the adjustment of the casting level of the matrices, the insertion of the line into the casting station, and the operation of the movable line-closing jaw are all effected by means of a single control-lever. The control-lever 1, Fig. 5, is pivotally mounted on a pin 2 passing through a shaft 4, so as to be movable laterally into any one of three positions a, b, c. The end of the lever projects between two arms 6 on a member 9 fixed to the shaft, so that the shaft can be rotated by the lever without the transmission of force through the pin 2. The lever may be held in any one of its lateral positions by a pawl-lever 11, pivoted to the control-lever, and having a pin to engage holes in one of the arms 6. The lateral position of the control-lever determines the vertical position of the ramp-rail 19. Fig. 2, which shifts the matrix-bars vertically in order to bring any one of three characters into casting position. Depression of the controllever rocks the shaft 4, so as to bring a cam 33 into engagement with a roller on a rod 30, which is connected by a lever 28 to the ramp-rail. The cam can slide without rotation on the shaft 4, and has three stepped cam-surfaces located side by side, so that three different degrees of lift can be given to the ramp-rail. The cam is adjusted along its shaft, in order to bring the required cam-surface into use, by lateral movement of the control-lever. The cam-surfaces are so formed as to raise the matrices at first slightly above their final position, in order to loosen the matrix line. Depression of the control-lever into its lowest position acts through an arm 44 and a link 47 on the lever 49 of the slider 52, that moves the line into casting position, where notches in the rear edges of the matrices engage an aligning- ledge 22. The slider 52 is provided with leafsprings 56 to engage the upper parts of the matrix-bars and so to avoid violent impact. In order to start the machine, the control-lever is raised above its intermediate inoperative position, whereby the line-closing jaw 57 is swung into position in front of the line, and the driving-clutch is engaged in known manner. The jaw 57 is moved against the line by an arm 58 on the shaft 4 of the control-lever, which is connected by a slotted link 59 and a lever 62 to the jaw-operating rod 63. A pointer 66, movable over a scale 67, indicates the adjusted position of the ramp-rail 19.
Patent GB-1333196-A (GB)
Title: Apparatus for supplying flat articles
IPC: B07C1/06
Filed: 1972-03-10
Abstract: 1333196 Feeding sheets; conveyers &c NETHERLANDS POSTAL & TELECOMMUNICATION SERVICE DIRECTOR GENERAL OF 10 March 1972 [10 March 1971] 11289/72 Headings B8R and B8A Apparatus for .supplying flat articles, e.g. letters, to a handling station comprises an endless drivable belt 1 for transporting the article on edge between vertical guides, one of which is a second conveyer belt .10 driven in a forward and downward direction and the other of which is a laterally and forwardly directed stream of air, e.g. from a fan housing 6. A stationary guide 15 and a further belt conveyer 14 may also be provided.
Patent GB-377193-A (GB)
Title: Improvements in the separation of unsaturated hydrocarbons from gas mixtures containing the same
IPC: C07C7/11
Filed: 1931-04-16
Abstract: The separation of gaseous hydrocarbons having a triple carbon linkage, such as acetylene, from gas mixtures is effected by washing the mixtures with liquefied substances which under atmospheric pressure are gaseous at 15 DEG  C. and condensable at a temperature above 100 DEG  below 0 DEG  C., but other than substances chemically converting the unsaturated hydrocarbons during the washing operation, such as chlorine, and substances themselves composed of unsaturated hydrocarbons.  Suitable substances are those which may be used as cooling agents in refrigerating plants, e.g. liquid sulphur dioxide, ammonia, carbon dioxide, methyl chloride and ethyl chloride.  These bodies may also be used to attain the low temperature required for the washing operation. The washing treatment may be carried out at pressures from atmospheric up to 1000 atmospheres.  When using carbon dioxide, the process is carried out at temperatures above -56 DEG  C. and pressures above 15 atmospheres.  The solvent vapours may be recovered by absorption, e.g. in water or in dilute sulphuric acid in the case of ammonia, or the solvent vapour and the unsaturated hydrocarbons may be treated to cause chemical reaction, e.g. a mixture of ammonia and acetylene may be led, with the addition of steam, at a temperature of about 350 DEG  C. over zinc sulphate deposited on silica gel.  Nitrogenous bases such as pyridine are obtained.  The process may also be used for splitting up mixtures of, or the separate recovery of unsaturated hydrocarbons of differing degrees of unsaturation from gas mixtures.  For example, acetylene and ethylene may be separated, the acetylene being practically completely absorbed in the above described solvents.ALSO:The separation of acetylene from gas mixtures is effected by washing the mixtures with liquefied substances which under atmospheric pressure are gaseous at 15 DEG  C. and condensable at a temperature above 100 DEG  below 0 DEG  C., but other than substances chemically converting the unsaturated hydrocarbon during the washing operation, such as chlorine, and substances themselves composed of unsaturated hydrocarbons.  Suitable substances are those which may be used as cooling agents in refrigerating plants, e.g. liquid sulphur dioxide, ammonia, carbon dioxide, methyl chloride and ethyl chloride.  These bodies may also be used to obtain the low temperatures required for the washing operation. The washing treatment may be carried out at pressures from atmospheric up to 1000 atmospheres.  When using carbon dioxide, the process is carried out at temperatures above -56 DEG  C. The solvent vapour and the unsaturated hydrocarbons may be treated after the separation to cause chemical reaction, e.g. a mixture of ammonia and acetylene may be led, with the addition of steam, at a temperature of about 350 DEG  C. over zinc sulphate deposited on silica gel.  Nitrogenous bases such as pyridine are obtained.
Patent GB-644179-A (GB)
Title: Improvements in or relating to selector mechanism for change speed hub gears of cycle wheels
IPC: B62M11/14
Filed: 1948-04-26
Abstract: 644,179. Change-speed gear. STURMEYARGHER GEARS, Ltd., and BROWN. W. April 26, 1948, No. 11353. [Class 80(ii)] In a two, three or more speed cycle hub gear of the kind having a fixed sun 2 and a dog-toothed selector-member 11, slidable  axially in a slotted driving member 16 to connect the latter either with dog teeth 3a on an axially-immovable planet carrier 3, to overdrive a driven ring-gear 6, or with engageable elements carried by the driven ring-gear for direct-drive, the axial length of the selector dog-teeth 11 exceeds the gap between the respective engaging elements  so that there is no neutral position during a shift, and the engageable elements on the ring-gear are one-way pawls 7 pivoted on axial pins 8, the confronting end-faces of either the selector dogs 11 (as shown) or of the pawls 7 being chamfered to permit butting engagement in the axial direction.
Patent GB-1152566-A (GB)
Title: Safety Enclosure for Tractors
IPC: B60R21/13
Filed: 1968-03-08
Abstract: 1,152,566. Tractor cabs. DEERE & CO. 8 March, 1968 [10 March, 1967], No. 11410/68. Heading B7B. A tractor roll-bar structure 42 comprising substantially vertical members 44, 46 bolted to the tractor axle by plates 54 and having their upper ends joined by a member 48 extending transversely beyond the uprights and overlying the tractor wheels. A canopy 60 having frame members 62, 64, 66 is preferably detachably connected to the member 48 and side panels 88, front panel 74 and a rear panel may also be provided.
Patent GB-846254-A (GB)
Title: Improvements in log debarking drum
Inventor: DICK GEORGE MCKINSTRY
IPC: B27L1/02
Filed: 1959-04-06
Abstract: 846,254. Removing bark from logs. CANADIAN INGERSOLL-RAND CO. Ltd. April 6, 1959, No. 11641/59. Class 145. A log barking drum 10 is mounted on endless wire cables 36 within horseshoe frames 24 so that the limited degree of stretch of the cables and bending of the frames lessen impact shocks. The cables are also used to rotate the drum by means of sheaves 38, mounted on a shaft 44 driven by a motor 30 through a fluid coupling 31, gearbox 32 and chains 48. Grooves are provided on each sheave and on corresponding wheels on the drum to accommodate up to six cables, the sheaves and wheels being mounted outside the frames to permit removal without dismantling. Flanged wheels 50 bearing on replaceable wear rings 51 prevent swaying or endwise movement of the drum. Two or more drums may be positioned end-to-end and may be located in a trough 20 containing water.