baber/WOPTO huggingface dataset:
Patent GB-777007-A (GB)
Title: Improvements in or relating to polyamides and methods of preparing same
IPC: C08G69/26
Filed: 1955-06-27
Abstract: Transparent superpolyamides are obtained from meta-xylylene diamine and isophthalic acid alone or with up to 50 mol. per cent of terephthalic acid.  In examples: (1) an aqueous salt of m-xylylene diamine and isophthalic acid was prepared and the salt precipitated, filtered and polymerized by heating to give a transparent polymer of molecular weight above 10,000, a softening point of 150-170 DEG  C. and a stick point of 210-215 DEG  C.  (2) A salt from 67 mol. per cent isophthalic acid, 33 mol. per cent terephthalic acid and m-xylylene diamine was prepared, dried and polymerized to a transparent superpolyamide having a softening temperature of 150-170 DEG  C. and a stick point of 210-215 DEG  C.
Patent GB-666018-A (GB)
Title: Improvements in friction clutches for motor-driven centrifugal separators
IPC: F16D43/18
Filed: 1949-07-14
Abstract: 666,018. Friction clutches. AKTIEBOLAGET SEPARATOR. July 14, 1949 [July 14, 1948], No. 18591/49. Class 80 (ii). The centrifugally-engaged shoes 9 of a friction clutch for a centrifuge are carried by pivots 10 and located by stops 13 so that they can be replaced through an aperture in the centrifuge frame 3 without dismantling the clutch and its associated parts. The centrifuge shaft 2 is driven from a motor shaft 20 through a flexible coupling comprising an intermediate flexible disc 18 engaged by driving and driven pins 17, 16, the driven part of the coupling driving an inner clutch member 8, 11 carrying the shoes 9. The centrifuge driving shaft 1 carries the driven part 6 of the clutch, the periphery of which may be engaged by a brake 23 mounted in a frame cover 22.
Patent GB-888261-A (GB)
Title: Liquid level controlled apparatus for use in filling liquid storage tanks
IPC: B67D7/46
Filed: 1960-05-26
Abstract: 888,261. Pipe couplings. AEROQUIP A.G. May 26, 1960 [July 6, 1959], No. 18695/60. Class 99(1). [Also in Group XXIX] A tank having a liquid-level controlling- means (see also Group XXIX) is supplied with fuel through a pipe coupling comprising parts 12, 50, the part 12 being threaded to the tank and housing a self-sealing valve 22, closed by a spring 26 and opened, when the other coupling part 50 is threaded thereto, and a discharge valve 36 closed by a spring 42 and controlling outlets 32; the valve 36 has a through port 48 leading via a chamber 40 and conduit 44 to a union 46. The other coupling part 50 has radial ports 60 in a sleeve 54, which ports are closed when the part 50 is uncoupled, by a spring- loaded annular self-sealing valve 62 engaging a head 58 on the adjacent end of the sleeve 54. Upon coupling together the parts 12, 50 both valve 22 and 62 are automatically opened.
Patent GB-1300975-A (GB)
Title: Production of 4,5-benztropone-2,7-dicarboxylic esters
IPC: B01J27/00
Filed: 1970-04-20
Abstract: 1300975 4,5 - Benzotropone - 2,7 - dicarboxylic esters BADISCHE ANILIN- & SODAFABRIK AG 20 April 1970 [21 April 1969] 18722/70 Heading C2C In a process for the production of a 4,5-benzotropone-2,7-dicarboxylic acid ester of the formula wherein R<SP>1</SP> and R<SP>2</SP> denote identical or different substituents selected from hydrogen atoms, alkyl groups having 1-5 carbon atoms, chlorine atoms and bromine atoms and R<SP>3</SP> denotes a straight chain alkyl group having 1-6 carbon atoms, an aromatic dialdehyde having the formula where R<SP>1</SP> and R<SP>2</SP> have the above meanings is contacted with an acetone dicarboxylic acid ester having the formula where R<SP>3</SP> has the above meaning, in a concentrated mineral acid. In a modified process an #, #<SP>1</SP>-tetrahalo-o-xylene having the formula where R<SP>1</SP> and R<SP>2</SP> have the meanings given above and X denotes a chlorine or bromine atom is treated with oleum containing from 10 to 40% by weight of free sulphur dioxide and the acid solution containing the aromatic dialdehyde obtained is contacted with an acetone dicarboxylic ester as defined above in the presence of concentrated sulphuric acid.
Patent GB-747680-A (GB)
Title: Improvements in and relating to an arrangement for projecting in superposition the images of a work piece and of a reference drawing through an outline projector
IPC: G01B9/08
Filed: 1953-07-07
Abstract: 747,680. Optical projection gauges. SOC. GENEVOISE D'INSTRUMENTS DE PHYSIQUE. July 7, 1953 [July 17, 1952], No. 18779/53. Class 106 (2). [Also in Group XX] A reference drawing is projected by the same objective as the outline of an object and with the same magnification, the illumination of the object being episcopic or diascopic. In the form shown the object 1 on a transparent plate 2 is illuminated diascopically by a system 4 and a graticule 6 carrying the reference drawing is illuminated by the system 5. The two beams are combined by a semi-reflecting mirror 7 and superposed projected images are produced by the objective 3. The housing 10 for the mirror 7 and graticule 6 may be rotated through 180 degrees to produce episcopic illumination of the object by light from the system 5 reflected from the upper surface of the mirror 7, the graticule being illuminated by the transmitted light and being backed by a detachable plane mirror. The mirror 7 may be replaced by a pair of rightangled prisms with a semi-reflecting surface at their contacting hypotenuse faces.
Patent GB-1387387-A (GB)
Title: Apparauts for rearranging articles
IPC: B65G47/71
Filed: 1973-04-18
Abstract: 1387387 Conveyers for articles CERABATI COMPAGNIE GENERALE DE LA CERAMIQUE DU BATIMENT 18 April 1973 [18 April 1972] 18786/73 Heading B8A Articles, when fed by endless conveyer members 1 may contact each other or be spaced apart but, by means provided between endless conveyer members 2, are rearranged preparatory to being transferred to a platform 10. A vertically movable table 4 has a fixed stop 5 and two retractable stops 71, 72, each stop being associated with a photo-electric detector 6, 81 or 82. A push bar 9 for the articles is movable in a plane above article guides 3 and guides 11 are provided on the platform 10. The conveyer members 1, 2 may be belts or chains. With the speed V of the members 2 greater than the speed v of the members 1, the table 4 being lowered and the stops 71, 72 retracted, a first article is stopped at 5. The detector 6, actuated by the first article, causes stop 71 to rise and the second article is stopped. Similarly a third article is stopped at 72. The detector 82 causes the table 4 to rise and the articles are raised clear of the members 2 and the guides 3. The detector 82 also causes the push-bar 9 to be operated, for the articles to be transferred to the platform 10.
Patent GB-250079-A (GB)
Title: Sluice operating gear
IPC: E02B7/36
Filed: 1925-07-23
Abstract: 250,079. Urquhart Lindsay & Robertson Orchar, Ltd., and Anderson, J. K. July 23, 1925. Sluice gates.-Sluice gate operating gear comprises a frame, a casing mounted on the frame, gearing in the casing operating through an intermediate gear a threaded rod to which the gate is attached, the rod being enclosed in a casing. The frame comprises two members a, a, bolted together at the top and carrying a gear case c containing the gearing. The latter comprises a worm d engaging a pinion e which is internally threaded to engage the threaded rod f. The worm d is secured to a spindle h which passes through the casing and carries a hand-wheel i. The rod f is prevented from turning by a feather key fixed in a slot in the gear case and engaging a groove in the rod f. Pipes k, k<1> screwed into the top and bottom of the gear-case enclose the rod f , and the lower end of the latter is fitted with leather washers to retain the grease for lubricating the rod.
Patent GB-824881-A (GB)
Title: Improvements in and relating to rolling mills
Inventor: SABINE ALFRED MICHAEL
IPC: B21B35/04
Filed: 1957-06-14
Abstract: 824,881. Rolling. BRITISH THOMSONHOUSTON CO. Ltd. May 27, 1958 [June 14, 1957], No. 18840/57. Class 83 (4). In a rolling mill having separate driving motors 3, 8 positioned at a greater and a smaller distance respectively from the lower and upper of the two rolls, a guide bearing 12 for a shaft 6 connecting the lower roll to its motor is suspended from a supporting structure 14 so that the removable half 12a of the bearing is lowermost. Shaft couplings 2, 5, 7 are used.
Patent GB-114300-A (GB)
Title: Improvement in Wire Cleaning and Coating Machines.
Inventor: WICKWIRE CHARLES CHESTER
IPC: C23G3/02
Filed: 1917-12-21
Abstract: 114,300. Wickwire, C. C. March 20, 1917, [Concention date]. Coating-machines.-Apparatus for manipulating coils of wire in connexion with coating and other baths for preparing the wire for drawing and like processes, comprises means for automatically agitating the coils in the baths, and means for raising the coils out of the baths and passing them from one to another of a series of baths. A number of vats 18 are arranged round a pillar 17, on which are mounted cranes 21, each carrying a hoist comprising a single-acting air-pressure cylinder 22, the piston 23 of which is connected by rods 27 to a carrier 31 for the coils of wire. The coils are hung on brackets 32 which are so disposed that on vertical reciprocation of the carrier 31 a progressive rotation of the coils is effected. The air supply to the cylinder 22 is controlled by a valve 38, Fig. 5, operated by an arm 49. In the lowered position of the carrier 31, a pin 62, on an arm 61 secured to one of the rods 27, moves the arm 49 and the valve 38 into position for admitting air to raise the piston 23 and carrier 31. When the carrier has been raised a short distance, a spring-controlled latch 63 raises the arm 49 and reverses the valve 38, allowing the'air from under the piston 23 to exhaust through a port 42 and the carrier 31 to fall, whereupon the operations are repeated and the reciprocation of the coils in the liquid effected. To raise the carrier out of the liquid, the latch 63 is withdrawn, as shown in Fig. 8, from the path of the arm 49 by depressing a hand-lever 66 which carries a roller 71 adapted to engage with the tail 65 of the latch; the valve 38 then remains in position to allow the piston 23 to rise through a complete stroke. The arm 66 is normally retained in a neutral position by means of a spring 69. To cause the carrier to descend again, the arm 66 is raised above its normal position and a projection 70 thereon raises the arm 49, and moves the valve 38 into the exhaust position. During the descent, the latch 63 rides over the arm 49, and the parts are then in position for reciprocation to re-commence. When the wire has been treated in all the vats, the hoist is stopped over a loading platform between the first and last vats of the series and is held in a partly lowered position by means of a strut 36. A valve 51 and an air reservoir 50 are provided on each of the air supply pipes 52.
Patent GB-739017-A (GB)
Title: Improvements in or relating to a vane type suction motor
IPC: B60S1/10
Filed: 1953-07-08
Abstract: 739,017. Semi-rotary engines. TRICO PRODUCTS CORPORATION. July 8, 1953 [July 14, 1952], No. 18975/53. Class 110 (2). An oscillating vane-type suction motor, see Figs. 3, 4 and 8, is divided into two chambers 11, 12 which are separated by a partition 13. The shaft 7 is journalled in bearings 16 and carries radially-disposed pistons 17 which are adjustably mounted on rods 23. The shaft 7 carries a shell 26 which forms the inner wall of the chambers 11, 12 and provides a support for a soft rubber packing cylinder 27 having inwardly directed sealing flanges 28. The flanges 28 engage the end wall 29 of a chamber 30. Lubricant holding pads 31 are arranged as shown. Each piston carries a parking valve 24 that normally engages a seat 25 on the partition 13. The shaft 7 operates a kicker cam 35 to rock a valve 36 upon its seat, thereby connecting a suction supply port 37 to the ports 38, 38 or 381, 38<SP>1</SP> whilst uncovering the ports 381, 381 or 38, 38, as the case may be, to the atmosphere. The valve is mounted on a tube 40 fixed in the port 37 and is yieldingly held by a spring 41 carried by the cover 42 of the valve chamber. A second spring 43 on the cover holds the kicker 35 on the end shaft 7. In operation the control valve 46 is moved to establish communication between ports 47, 37 through a recess 45 and the valve 36 connects both chamber ports 38 to the port 37 and uncovers the ports 38<SP>1</SP> to the atmosphere; reversal of the valve uncovering the ports 38 and establishing suction communication through the ports 38<SP>1</SP>. For parking the valve 46 is moved to the position shown in Fig. 8, thereby opening the port 37 to the atmosphere and connecting the chambers to another source of pressure such as the intake manifold. The motor may incorporate a single piston 17<SP>1</SP>, Fig. 13, which is carried by an arm 23 and engages a parking seat 25<SP>1</SP>. The shaft 7<SP>1</SP> carries a shell 26<SP>1</SP> for a packing cylinder 27<SP>1</SP> having sealing flanges 281.
Patent GB-717691-A (GB)
Title: Improvements in or relating to the manufacture of substituted pyrrolidinopropenes
Inventor: BARRETT PAUL ANTHONY
IPC: C07D213/38
Filed: 1951-08-13
Abstract: <PICT:0717691/IV (b)/1> <PICT:0717691/IV (b)/2> <PICT:0717691/IV (b)/3> Pyrrolidinopropenes of the general formula <FORM:0717691/IV (b)/1> (wherein X represents hydrogen or chlorine) are manufactured substantially exclusively in the stereosiomeric form having an ultra-violet absorption spectrum similar to that of a -pyridylethylene by dehydrating carbinols of the general formula <FORM:0717691/IV (b)/2> with sulphuric acid under conditions of time (t, in hours), temperature (T, in  DEG C.) and strength of sulphuric acid (P per cent, i.e. Pcc. of concentrated sulphuric acid diluted with 100-Pcc. of water) such that, whilst T is not above the boiling point at atmospheric pressure of sulphuric acid of the chosen strength, the point represented by the three variables on a solid graph is not nearer the origin than the surface represented by the equation log t + 4.35 = 2.892 log(680 - T - 800/3 log P). Suitable conditions are represented by the shaded areas of the drawings, in which Figs. 1 and 2 represent the relationship between T and P for heating times of 10 minutes and 3 hours respectively (the line CD in each case being the boiling point curve for sulphuric acid-water mixture and AB and EF corresponding to the equation above), whilst Fig. 3 represents the relationship between t and T for 100 per cent sulphuric acid.  The products possess antihistaminic activity. Examples and comparative experiments show the results of dehydrating 3 - pyrrolidino - 1 - (41 - chlorophenyl) - 1 - (211-pyridyl) - propan - 1 - ol under conditions corresponding to the points denoted by Roman numerals on the graphs.  Specifications 685,696, 689,288 and 701,445 are referred to.
Patent GB-628534-A (GB)
Title: An improved electric contactor controlled by counting or summing apparatus
IPC: G05D3/12
Filed: 1945-07-25
Abstract: 628,534. Counting-apparatus. LANDIS & GYR SOC. ANON. July 25, 1945, No. 19073. Convention date, July 29, 1944. [Class 106 (i)] A revolutions counter controls through two or more cams a switch which closes one circuit to indicate when the amount on the counter is positive, and another circuit to indicate when it is negative. In one form, Fig. 1, a units cam 1 is driven in accordance with the revolutions being counted. If the counter stands at zero and the initial movement is clockwise, the units cam moves a roller 4 and slider 7 to the left until the end 8 of the roller shaft is beneath a socket 17, the roller shaft swinging an arm 10 to close contacts 13, 16 to indicate a positive amount. Continued rotation of the units cam 1 lifts a roller 3 on a shaft on a swinging frame 5 to lift the roller shaft 8 into the socket 17. The swinging frame 5 is also lifted by tens and hundreds cams 20, 22 connected to the units cam 1 through transfer gearing 19, 21. The roller shaft 8 thus remains engaged with the socket 17, and the contacts 13, 16 remain closed, irrespective of the direction of rotation of the cams, until all cams stand at zero again. If the movement of the units cam 1 is then counterclockwise, the roller shaft 8 is brought beneath (and later engaged with) a socket 18 and contacts 13, 15 are closed to indicate a negative count. In another form, Figs. 2, 3, initial movement of the units cam 1 closes either contacts 5, 6 or 5, 7 to energize relays 18 or 19 to indicate positive or negative counts. The tens and hundreds cams then lift a frame to close contacts 16, 17. If the count is positive and relay 18 is closed, a holding circuit is prepared through contacts 18/1 and completed by contacts 16, and remains closed until all the counting cams again stand at zero. In a third form, Fig. 4, initial movement of the units cam 1 closes contacts 2, 3 or 2, 4, the closure being maintained by a segment 10 lifted by a frame controlled by rollers 7, 8 engaged by the tens and hundreds cams. In a modification of this form, the units cam rocks a cruciform member fixed to a shaft carrying a cam which closes contacts corresponding to 2 or 3.
Patent GB-1079354-A (GB)
Title: Limited movement safety hinge for windows and the like
Inventor: LANG JACK
IPC: E05D7/082
Filed: 1965-05-06
Abstract: 1,079,354. Window pivots; stop hinges. CROMPTON NETTLEFOLD STENMAN Ltd. June 30. 1966 [May 6, 1945], No. 19094/ 65. Heading E2F.  A stop hinge for pivoting windows, comprises two shallow cylindrical cup shaped members, one fitted within the other, and each being mounted on a bracket, wherein the pivotal movement is limited by a slotted plate having one or more projections engaging the one member, and the slots being located over studs fastened to the other member, with means for axial disengagement of the plate from the studs.  A cup-shaped member 14 is fitted within a second such member 11, and with interposition of a nylon bush 15; on the interior flat surface of the cup 11 are four studs 18 circumferenitially spaced equally apart but at differing radial distances from the hinge axis. A plate 19 with four slots engaged by the studs has two projections 20 which engage slots in the inner cup 14. The cups are fastened together by a central pin 21. To allow for larger pivotal movement of the window, the plate may be axially released from the studs by means of a second plate 22 between the cup 11 and the slotted plate, the second plate having clearance apertures which slide freely along the studs and being axially displaceable by pressure on a thumb plate 23 acting through stems 24, when the slotted plate is displaced axially from the studs against a return spring 25.
Patent GB-498318-A (GB)
Title: Improvements in collapsible seats
IPC: A47C9/06
Filed: 1937-07-10
Abstract: 498,318. Folding seats. ARCHER, H. A., and HUTCHCOX, B. E., (trading as A.S.H. WOODCRAFT, [Firm of]). July 10, 1937, No. 19189. [Classes 52 (ii), 52 (iii), and 52 (v)] A folding seat 20 of the kind having a sliding and pivotal connection 26 to a vertical support 24, and a strut 22 hinged to the seat and to the support, is mounted in a cabinet or fitting forming the support so that when in collapsed position the seat 20 and the strut 22 form continuations of one another and form a closure for the open front of the cabinet. The cabinet may be fitted in a recess in a wall 5, and may comprise cupboards 14, 17. The seat 20 carries brackets 25 with projecting pins 26 which slide in grooves 24 in the side walls of the cabinet. In the lowest position the brackets 25 are supported on rails 27. The strut member 22 is provided with a handle 29 and a spring catch 30, 31.
Patent GB-183450-A (GB)
Title: Improvements in or relating to rock cutting tools
IPC: E21D9/10
Filed: 1922-07-12
Abstract: 183,450. Rolfsen, O. July 23, 1921, [Convention date]. Tools.-A rock cutting tool comprises a rotating hub 8, links 3 pivotally connected to the hub and hammer heads 1 rotatably connected to the links, the connection in each case being with play. The pivots 2, 6 have central eccentric projections. Each hammer head is substantially triangular and has a substantially triangular bore 4 with corners rounded to fit the pivot 2. A ball or roller bearing may be provided between the pivot 6 and hub 8. The Specification as open to inspection under Sect. 91 (3) (a) refers to the use of the tool for dressing rock. This reference does not appear in the Specification as accepted.
Patent GB-1386474-A (GB)
Title: Method for the manufacture of moisture resistant shaped products from inorganic fibres
IPC: C08L61/06
Filed: 1972-04-25
Abstract: 1386474 Moulding fibrous slurries CASCO AB 25 April 1972 [26 April 1971] 19196/72 Heading B5A [Also in Division C3] In a method of producing moisture-resistant shaped products from inorganic fibres such as glass, mineral, rock, slag or asbestos, a dispersion in water of fibres and phenol formaldehyde resin is formed to the desired shape, the water drained off, and the product pressed and dried; the phenol formaldehyde resin has a limited water tolerance whereby it cannot be diluted with water to a solids content lower than 10% without causing precipitation of the resin, and the dispersion used contains sufficient water to cause such precipitation. The dispersion contains 1-10% by weight of fibres and 1-30% by weight (based on dry fibres) of resin. The pH of the dispersion is in the range 3-10. Additives such as borax, wax, perlite, alum, starch may be included in the dispersion.
Patent GB-755732-A (GB)
Title: A protective arrangement for mechanical current rectifiers
IPC: H01H9/54
Filed: 1953-07-10
Abstract: 755,732. Converting. LICENTIA PATENTVERWALTUNGS-GES. July 10, 1953 [July 15, 1952], No. 19202/53. Class 38(2). A contact rectifier comprising a movable contact 3 co-operating with two fixed contacts 1, 2, is protected against back arcing by an arrangement including a trip coil 6 connected in series with a germanium or other rectifier 5 between contacts 2, 3. Current flows through coil 6 when an arc occurs between contacts 2, 3. To protect against forward arcs, a trip coil 8 in series with a rectifier 7 poled in the reverse direction from rectifier 5 is connected across contacts 1, 3. When a contact supervising circuit is connected between contact 3 and switching choke 4, rectiffer 9 is so poled that, in co-operation with rectifiers 5, 7 it prevents current flow between the two shunt circuits and the supervising circuit. In a three-phase circuit the shunt circuits in different phases may have common release coils. Coils 6, 8 may be replaced by a common release coil, as indicated by dotted lines.
Patent GB-151141-A (GB)
Title: Cards for playing a game
IPC: A63F1/02
Filed: 1919-08-05
Abstract: 151,141. Johnson, R. C. Aug. 5, 1919. Card garnes.-A pack of playing-cards which tend to instruct the players in the blending of colours comprises a number of groups of cards, each group containing cards bearing patches of the colours required to make up the colour on a key card forming part of the group. The object of the players is to collect the different cards constituting a group. The pack also includes a series of cards bearing one or all of the colours of the rainbow. Fig. 1 shows a key card, the numeral 6 representing a patch of purple and the numerals 5, 1, 5 representing strips of blue, red, blue, the colours and proportions required to make up purple. The division d contains instructions, e.g. " mixed from two blue and one red." One of the other group cards is shown in Fig. 2 and bears two blue diagonal strips 5. The spaces i bear different colours which may be produced by an admixture of blue and other colours according to directions given in the spaces j. The spaces d, e, f, g, Fig. 1, and the spaces i, j, Fig. 2, may be dispensed with and a chart, Fig. 11, may be used to ascertain the colour blends required. The chart bears colour patches l produced by mixing the colours shown on patches m. The colours of the rainbow are marked on patches k.