baber/WOPTO huggingface dataset:
Patent GB-1109578-A (GB)
Title: Production of p-dialkylbenzenes
Inventor: STROHMEYER MAX
IPC: C07C2/70
Filed: 1966-08-19
Abstract: p-Dialkylbenzenes are produced by reaction of alkylbenzenes and olefins in the presence of an AlCl3/HCl catalyst also containing an aromatic hydrocarbon having a carbon-carbon double bond situated in conjugation to a benzene nucleus (which for convenience of definition is assumed to contain 3 conjugated double bonds). Suitable aromatic hydrocarbons include styrene, anthracene, 2 - phenyl - cyclohexene and 1,1,3-trimethyl - 5 - isopropylindene, others also being mentioned.  m- and o-dialkylbenzenes and higher alkylated by-products may be transalkylated, e.g. with benzene or an alkylbenzene in the presence of a Friedel-Crafts catalyst.  The examples are all directed to the production of p-diisopropylbenzene from cumene and propylene. In Example 6, the aromatic hydrocarbon catalyst component is 1,1,3-trimethyl-5-isopropyl-indene, and the process is carried out continuously in three vessels, in the first of which tri-isopropylbenzene by-product is transalkylated with benzene in the presence of AlCl3/HCl catalyst, a small amount of 1,1,3-trimethyl-5-isopropyl-indene being produced simultaneously, the whole mixture from this vessel then being passed to a second vessel together benzene, m-dialkylbenzene, AlCl3/HCl catalyst and o- and m-dialkylbenzene by-product further transalkylation taking place, and the cumene-propylene alkylation reaction taking place in the presence of the reaction mixture from the second vessel, by-products being separated and recycled to the first, second and third vessel as appropriate.
Patent GB-1221898-A (GB)
Title: Control systems for variable-ratio power transmission mechanisms.
IPC: F16H61/46
Filed: 1969-07-24
Abstract: 1,221,898. Hydrostatic transmission control. GENERAL MOTORS CORP. 24 July, 1969 [16 Aug., 1968], No. 37308/69. Heading F2D. In an hydrostatic transmission comprising reversible over-centre pumps 101, 102 connected to motors 108, 109 driving vehicle wheels, the pumps are adjusted indivudually by levers 89, 91, for drive and steering, through separate linkworks, each linkwork including a sliding pivot 64, 65 on blocks 56, 57 slidable on a frame 52 pivoted at 103 by an hydraulic servo 42 on overload to downshift the transmission, the rate of steer being maintained should over load occur during a steering manoeuvre. The overload signal 41 to servo 42 is delivered from a valve 16 positioned by opposing engine-speed signals from a governor 12, and a vehicle throttle position signal from a rod 35 connected to the throttle and acting through a spring 36. The opposing signals position the valve spool 31 to connect line 41 to a line from an enginedriven pump 11. The linkwork acts on pump servo controls 75 and 81.
Patent GB-915378-A (GB)
Title: Method of producing a lipstick cup for a lipstick case
Inventor: FLYNN JOHN LESLIE
IPC: B21D51/36
Filed: 1960-10-31
Abstract: 915,378. Making lipstick-supporting cups; bending sheet-metal joints. TRING ENGINEERING Ltd. Oct. 31, 1961 [Oct. 31, 1960], No. 37396/60. Classes 83 (2) and 83 (4). A method of making a lipstick-supporting cup for lipstick holders comprises feeding a metal strip through a series of work stations to form a plurality of spaced notches along one edge, punching a radial projection, severing a notched and punched portion at a further work station to produce a complementary male and female dovetail in the severed ends, bending the strip about a mandrel to form a cylinder with a dovetailed peripheral wall and finally bending the end teeth inwards to form a closure at one end of the cylinder. A series of teeth 17, transverse indentations 19 and a dimple 18 between the indents and in the opposite direction to them are formed in a strip which is fed in a vertical plane through a machine 11. When the strip is adjacent to a mandrel 13 it is diesevered to produce complementary dovetails 14, 15. Forming jaws 20, 21, 22, 23 having steps 25, 26 then advance to bend the blank about the mandrel 13, interlock the dovetails and bend the teeth 17 inwards to form the bottom of a cup-shaped member. The cup is ejected either by a ring sliding along the mandrel or by the mandrel moving in a fixed block. The teeth 17 may be triangular or trapezoidal depending on whether the bottom of the cup is to be completely or partially closed and if only some of the teeth are triangular their ends may be bent upwards to project parallel with the axis of the cup.
Patent GB-451349-A (GB)
Title: Improvements in fuel feeding devices for internal combustion engines
IPC: F02M1/00
Filed: 1934-12-31
Abstract: 451,349. Vaporizers; float feed apparatus. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Rivera, E. ; 550, Calle Rivadavia, Buenos Aires) Dec. 31, 1934, No. 37421. [Class 7 (iii)] A pipe bend 9 inserted in the exhaust-pipe deflects exhaust gas past a valve 12 into a jacket 2 surrounding a casing 1 containing fuel to be heated. The fuel enters by a pipe 22 having a bent end to deflect it on to a plate 26 away from an upstanding outlet pipe 27 which is integral with the plate, the flow of fuel from the lower end of the pipe being controlled by a float operated valve 35. An upstanding sinuous pipe 38 constitutes a discharge outlet for the heated fuel which may pass directly to the carburetter or be fed to a heating element 1<11>, Fig. 11, comprising an inner tube 2<11> for the passage of the fuel and an outer exhaust heated jacket. Vapour produced in the top of the casing 1 are led by a pipe 14, provided with an adjustable air inlet, directly to the induction pipe adjacent the throttle valve. In a modification the casing is corrugated where the exhaust gases enter the jacket and the float is offset from the fuel channel and operates the fuel valve through a simple lever.
Patent GB-1322231-A (GB)
Title: Hydraulic transportation system
IPC: B65G53/30
Filed: 1970-08-05
Abstract: 1322231 Waste disposal system WASCON SYSTEMS INC 5 Aug 1970 [4 March 1970] 37721/70 Heading E1C [Also in Division F1] A hydraulic transportation system for conveying waste solids in a pressurised water flow comprises a main duct 10 and a by-pass conduit 14 of smaller cross-section, there being a chamber 25 in the by-pass for introducing waste which is subsequently removed by flooding with water from the by-pass. A throat 11 in the main duct creates a pressure drop across the by-pass and the chamber 25 having inlet and outlet gate valves 15, 16 has a waste delivery duct 26 closed by a further gate valve 27. A pump 28 is provided to evacuate water from chamber 25 through pipe 30 for reinjection through 31 into the by-pass downstream so facilitating re-introduction of more waste. In a modification Fig. 2 (not shown) a pneumatically actuated piston (44) forms an end wall of chamber (34) to assist in the removal of waste to the duct. A plurality of by-pass conduits may be provided for a larger system with direct entry to a sewerage system and having means for pulping waste solids into a slurry form. In an alternative embodiment Fig. 4 (not shown) the throat 11 is substituted by a pump (74) which creates sufficient pressure in the main duct to drive waste from the by-pass. The gate valves are operated by solenoids controlled remotely from a point adjacent the inlet 29 of the delivery duct.
Patent GB-1320366-A (GB)
Title: Apparatus for aligning railway track
IPC: G01D9/00
Filed: 1970-08-05
Abstract: 1320366 Track aligning apparatus CANRON Ltd CANRON LIMITEE 5 Aug 1970 [4 Sept 1969] 37881/70 Heading B7N [Also in Divisions G1 and G3] In a mobile railway track aligning apparatus, the position of a shadow board 4, Fig. 2, mounted on track moving machine 26 and operating between radiation transmitter 1 and receiver 2, is determined by a previously recorded representation 31 of the desired alignment condition. As described the apparatus moves twice over the track, operating first, Fig. 1 in.a recording mode and subsequently, Fig. 2 in an alignment mode. During the first pass signals from receiver 2, Fig. 1, operate a motor 5 and this via gear-box 6 maintains shadow board 4 in a position which just detects the radiation reference line 3. Movement of the board controls potentiometer 7 which supplies an output signal via amplifier 8 to drive a motor 9 coupled to the pen of a recorder which is driven in synchronism with movement of the apparatus. The record formed is of the actual alignment condition of the track and from this the operator determines the desired alignment position and draws this on the record in an ink which a photo-cell can detect relative to the record base. During the second pass, Fig. 2, the record is mounted and again driven in synchronism with movement of the apparatus and the desired position curve is followed by photocell 20 controlled by motor circuit 21 in response to error signals from the cell. The cell movements operate a potentiometer 21a which supplies an output signal to motor 22 to move the shadow board to a position defined by the desired position curve. The shadow board is mounted to move with the track moving apparatus 26 and at each stop is moved with the track until receiver 2 halts the movement with an output signal indicating that the board has detected the reference line 3.
Patent GB-1441620-A (GB)
Title: Tape recording and/or reproducing apparatus
IPC: G11B15/665
Filed: 1973-11-08
Abstract: 1441620 Cassette tape recorders SONY CORP 8 Nov 1973 [13 Nov 1972] 38052/75 Divided out of 1441619 Heading G5R A video tape recorder comprises a chassis having a rotatable reel drive member 72 extending therefrom, a cassette holder 22 including an apertured base plate 56 and movable between raised and lowered positions, and reel locating means 103 carried by the holder. The arrangement is such that when the cassette described and claimed in the parent Specification 1,441,619 is front loaded into the holder with the holder in its raised position, Fig. 5, and the holder is depressed into its lower operative position, Fig. 7, the drive member 72 passes through the aperture 74 in the base plate 56 and engages a reel 25. A shoulder 78c on the member 72 lifts the reel 25 from the base plate 56 thus causing a floating member 95 engaged with the upper surface of the reel to project from the cassette and engage with the reel locating means 103. In one embodiment the means 103 is a spring- loaded plunger which is urged against the member 95, and this acts via a thrust-bearing on the reel to hold it firmly against the shoulder 78c. In a second embodiment, Fig. 12, the reel locating means is a plunger 106<SP>1</SP> which is urged upwardly by a spring 107<SP>1</SP>, but is urged downwardly when the holder is in its lower position by the end of a lever 109 the other end of which is connected by a spring 112 and pivot 111 to a second lever 110 urged upwardly by part 118 of the machine chassis when the holder is depressed. Means for withdrawing the tape from the cassette around the recording and/or playback heads of the apparatus is also described (Fig. 1, not shown).
Patent GB-1283586-A (GB)
Title: Apparatus for inspecting workpieces
IPC: G01N27/82
Filed: 1969-07-29
Abstract: 1283586 Flaw testing REPUBLIC STEEL CORP 29 July 1969 [9 Aug 1968] 38102/69 Headings G1N and G1S A defect detecting apparatus for elongate workpieces such as bar stock or tubing has a defect detector H adjacent to rollers 12 and 14 which constrain the workpiece against lateral movement and thus cause it to move in a straight line adjacent the rollers. Rollers 11, 13, 15, 12 and 14 advance the workpiece while rotating it and constitute a bar straightening device. Detector H comprises a pick-up coil 36 which, through a control circuit Fig. 1a (not shown) causes a defect marking device M to mark any defects. Detector H and marker M are carried from arm 35 fixed to the machine by adjustable clamp 34. The pick-up coil is attached to arm 35 via gimbal mountings and a pivoted arm of adjustable length Figs.3 and 4 (not shown). The marker M comprises a cutting wheel driven by an electric motor pivotally attached to arm 35, Fig. 5 (not shown). Both the marker and the detector are movable into and out of operating position by double acting pneumatic piston arrangements. The beginning and end of a workpiece are sensed by flaps engaging the workpiece and operating switches Fig.6 (not shown) and the control circuit withdraws detector H just before the end of a workpiece, and returns it to its operating position just after the beginning of the next workpiece.
Patent GB-1071161-A (GB)
Title: Improvements in or relating to mounting arrangements for thermally responsive devices
Inventor: WOLFENDEN HENRY CHARLES LEONAR
IPC: H02B1/044
Filed: 1962-10-09
Abstract: 1,071,161. Stud and socket fasteners. RADIATION Ltd. Dec. 2, 1963 [Oct. 9, 1962], No. 38246/62. Heading E2B. [Also in Divisions Gl and H2] An arrangement for attaching a device to a panel 4 comprises a plate 1 having a circular aperture 2 with two diametrically placed recesses 3 which is attached to the panel 4 but slightly spaced therefrom. The device itself (9) has two outwardly-projecting tabs (10) so that as the device is presented to the panel 4 the tabs pass through the recesses 3 and, in the manner of a bayonet fitting the device may then be rotated slightly to bring the tabs under the plate 1. The plate 1 may either be welded to the panel 4 or it may be secured by two screws 5 engaging in threaded inserts 7 in rubber sleeves 6. The sleeves have heads 8, to ensure the correct spacing of the plate 1 from the panel 4, and, by this compression as the screws are tightened serve to seal the aperture in the panel 4 through which they are passed.
Patent GB-971279-A (GB)
Title: Electricity generation by means of fuel cells
IPC: H01M8/22
Filed: 1962-10-10
Abstract: 971,279. Fuel cells. E. I. DU PONT DE NEMOURS & CO. Oct. 10, 1962 [Jan. 9, 1962], No. 38331/62. Drawings to Specification. Heading H1B. A fuel cell utilizes nitric acid or nitrogen dioxide as an oxidant, an aqueous mineral acid or an aqueous neutral or acid salt as an electrolyte and either a fuel or a metal (e.g. lead) as the anode.
Patent GB-1359777-A (GB)
Title: Method and device for production of bags or analogous packaging stacked into a block
IPC: B31B50/98
Filed: 1972-08-17
Abstract: 1359777 Bags H LEHMACHER 17 Aug 1972 [17 Aug 1971; 19 June 1972; 7 July 1972; 26 July 1972] 38333/72 Headings A4G and A4T [ Also in Divisions B5 and B8] A series of bags is defined in a tube of thermoplastics material which is then fed to a device which separates the bags from the tube and forms them into a stack, each bag being welded to the preceding bag of the stack. As shown, the tube has welds 57, perforation lines 56 and suspension holes 12, 13 made therein before passing to a welding and severing bar 55 of the stacking device. Each bag when severed from the tube is joined to the preceding bag of the stack by a weld line 48. An aperture is punched in the lower end of the stack to form "vest" bags. Individual bags are removed from the stack by rupturing the perforation line 56. In modifications, the bar 55 may be used only for severing the film, a weld line (60) being preformed in the tube just above the position of the unit; the tube, and hence the bags, may have gusset side folds; bags of ordinary form may be made by omitting the welds 57 and punched out aperture; the series of bags may be formed with a bottom weld line and two parallel top perforation lines having suspension holes therebetween, the bags being separated from the tube by rupture of the upper perforation line and from the stack by rupture of the lower perforation line; apertures or slits and welds may be formed adjacent the top of these last-mentioned bags to form "vest" bags, and in this case the upper rows of perforations may be omitted, the suspension holes being formed in the portion to be cut away; two or more bags may be made side-by-side from one tube; perforations of different form may be made on opposite sides of the tube by positioning within the tube a rail (25) co-operating with different blades (31, 32). The stacking device is described in detail (see Division B8).
Patent GB-1155183-A (GB)
Title: Process and device for mixing gaseous, liquid or particulate solid substances.
IPC: B01J8/18
Filed: 1966-08-26
Abstract: 1,155,183. Mixing apparatus; evaporators; spray drying. DR. C. OTTO & CO. G.m.b.H. 26 Aug., 1966 [28 Aug., 1965], No. 38428/66. Headings BIB and B1C. In a method of mixing reacting, spray drying &c. a gas, liquid or particulate solid with a carrier gas the apparatus comprises a chamber of circular cross-section having an inlet 2 at one end for the carrier gas and an outlet 7 at the other, and widening from the inlet to a maximum diameter and then narrowing conically to the outlet; and means (which may be spiral passages or guides) outside the inlet for rotating the carrier gas. The gas flows in an expanding spiral in the zone 3 and thereafter in a contracting one, creating a zone of reduced pressure in the neighbourhood of the rotation axis 4 whereby part of the gas flow recirculates along the axis forming zones 5 of intense turbulence between the outward and return flows. The material to be treated is injected at either end axially as at 6. The means for rotating the carrier gas may be a tangentially fuelled circular or annular combustion chamber under or surrounding the mixing chamber (see Figs. 3 and 4, not shown).
Patent GB-1240718-A (GB)
Title: Improvements in or relating to timing devices for pneumatic control systems
IPC: H01H43/28
Filed: 1968-08-12
Abstract: 1,240,718. Valves. H. KUHNKE ELECTROTECHNISCHE FABRIK G.m.b.H. 12 Aug., 1968 [8 Dec., 1967], No. 38515/68. Heading F2V. Timing device for a pneumatic signal comprises a control element movable over a predetermined path, a mechanism energized by the signal for moving the control element, a rotatable speed governor, such as a balance wheel device, coupled to the control element to control the speed of movement of the control element and a valve associated with the control element and communicating with a conduit for the passage of the pneumatic signal, said valve being actuated by the control element when the latter is in a predetermined position. A pneumatic input signal applied through inlet 9 to an actuator 6, 7, releases a clockwork mechanism which after a pre-set time sets up a control pressure through a co-operating nozzle 12 and obturator 15, in order to open a main valve 10 which then communicates the inlet 9 with an outlet 16. The input goes through an annular passage 32 and a restriction 11 to the interior of the main valve member 30, and thence to the nozzle 12 which is positioned to be engaged by the obturator as the latter is carried on a rotatable disc 1. On obturation, the main valve is moved to the right to connect the inlet and outlet through ports 31, 35 and the annular passage 32. In the rest position shown, the outlet is exhausted to atmosphere through an annular passage 37 and an exhaust port 36. The disc is driven by a spring 26 tensioned by the return movement under a spring 5 and is geared through a timing train 29 to a balance wheel 25. The nozzle is carried on a sector 21 adjustable by a knob 23. An indicator 38, 39 shows the disc position.
Patent GB-963557-A (GB)
Title: Epoxy resin composition
Inventor: MCINTOSH ALEXANDER
IPC: C08G59/42
Filed: 1962-10-11
Abstract: A coating composition comprises a particulate polyepoxide and a curing agent of the formula: <FORM:0963557/C3/1> in which R is an organic radical, m = 0 or 1, n = 0 or 1, and the aromatic nuclei may be substituted by one or more halogen or hydrocarbyl groups. The coating compositions may also contain barytes, mica, slate powder, silica flour, titanium dioxide, iron oxide, cadmium red or phthalocyanine pigments. Preferred curing agents are the adducts of trimellitic anhydride and a polyhydric alcohol such as ethylene glycol, glycerol, propylene glycol, butylene glycol, pentaerythritol, bis-(4-hydroxy-phenyl) methane, bis(4-hydroxy-phenyl) propane, and 1, 1, 21, 21-tetrakis (4-hydroxy-phenyl)-ethane. The reaction product of trimellitic anhydride and glycerol containing a mixture of di-anhydride, trisanhydride and unreacted trimellitic anhydride may be used.ALSO:An article is coated with a particulate polyepoxide and a curing agent of the formula <FORM:0963557/B1-B2/1> in which R is an organic radical, n=0 or 1, m=0 or 1 and the aromatic nuclei may be substituted with one or more halogen or hydrocarbyl groups either by spraying the powder thereon and then heating to at least 100  DEG C., or by preheating the article to at least 80  DEG C. and immersing it in a fluidized bed of the powder, followed by heating to at least 100 DEG C.  The article may be preheated to between 120  DEG C. and 175 DEG C. before spraying or immersion, and the post-heating temperature may in both cases be between 150 and 220  DEG C.  The spraying process may be by compressed air or electrostatic force.  The coating compositions may also contain barytes, mica, slate powder, silica flour, titanium dioxide, iron oxide, cadmium red or phthalocyanine pigments.  The articles which may be coated include capacitors, hammers, bolts, pins, tubular sleeves, hooks, ventilators, screen, switches, electrical fittings, protective caps and guards.  Preferred curing agents are the adducts of trimellitic anhydride and a polyhydric alcohol such as ethylene glycol, glycerol, propylene glycol, butylene glycol, pentaerythritol, bis-(4-hydroxy-phenyl) methane, bis (4-hydroxy-phenyl) propane, and 1, 1 21 21-tetrakis (4-hydroxy-phenyl)-ethane.  The reaction product of trimellitic anhydride and glycerol containing a mixture of dianhydride, tris-anhydride and unreacted trimellitic anhydride may be used.