baber/WOPTO huggingface dataset:
Patent GB-1202208-A (GB)
Title: Improvements relating to methods of making joints for pipes and the like
Inventor: WALKER ALAN JOHN
IPC: F16L13/007
Filed: 1966-11-11
Abstract: 1,202,208. Making vacuum vessels; jointing; jointing by forging; drawing. SPEMBLY TECHNICAL PRODUCTS Ltd. 1 Nov., 1967 [11 Nov., 1966; 23 Oct., 1967], Nos. 50742/66 and 48134/67. Headings B3A, B3H, B3P and B3V. [Also in Division F2] A joint between a stainless steel pipe 1 and the neck 4 of an aluminium vessel 2 is made by forcing a collar 6 down over the neck to force the neck to flow into serrations 3 on the tube. The collar is held on the neck by a flange 4D formed by an annular punch 7A during the jointing. The neck 4 is welded to the vessel after the jointing. The neck can be tapered to tightly fit the collar or a wedge section collar can be forced between a secondary collar (9), Fig. 2 (not shown), and the neck. The secondary collar may be externally threaded and the collar (8), Fig. 2A (not shown), forced down by a ring nut (10). Alternatively the neck can be jointed to the pipe by an annular collar (11), Fig. 3 (not shown). In one embodiment, Figs. 4 and 4A (not shown), the neck is deformed by an impact, e.g. explosion, from a dolly (14). The impact causes the outer collar (13) to bulge outwards. In an alternative embodiment the pipe has a pointed end 60B which engages a shoulder on the neck. The neck has a duct 61B so that the trapped air between the neck and pipe can be relieved. The neck 61 is deformed by a punch 62 so that it engages a flange 60A on the pipe. A steel clip (63) Fig. 7 (not shown), or a pair of semicircular keepers bolted together may be secured around the joint to additionally tension it. In a further embodiment the pipe and the neck are overlapped, Fig. 8 (not shown), and the assembly pushed through a drawing die (82) which engages a flange (81A) on the neck and stretches the neck on to the pipe. The pipe has serrations on its end face (80A) as well as on its curved surface (80B). The flange (81A) on the neck is deformed inwards to engage a shoulder on the pipe and to hold the joint in tension. In a further embodiment, Fig. 9, the assembly is drawn through a die 92 which is smaller than the diameter of the neck. The end face of the pipe has an annular recess 90A and the curved surface has serrations 90C into which the neck is drawn. The joints are used between the stainless steel pipe (1), Fig. 5 (not shown), and the neck of a Dewar vessel. The neck is jointed to the tube and then welded to the other vessels which are also aluminium.
Patent GB-1220526-A (GB)
Title: Improvements in mixing electrical signals
Inventor: DAVIES ROBIN EVAN
IPC: H04N7/01
Filed: 1968-10-10
Abstract: 1,220,526. Frequency changing. BRITISH BROADCASTING CORP. 10 Oct., 1969 [10 Oct., 1968], No. 48149/68. Heading H3F. Apparatus for generating from two frequencymodulated input signals of the same amplitude an output signal the frequency of which is equal to the sum of the frequencies of the input signals comprises a balanced mixer 13, Fig. 1, with a band-pass filter 16 and limiter connected to its output to remove amplitude modulation of the output signal. The embodiment comprises an arrangement for averaging two frequency modulated signals (f 0  + f 1 ) and (f 0  + f 2 ) and includes divide-by-two circuits 11A, 11B giving outputs of equal amplitude, and band-pass filters 12A, 12B. The invention also comprises a balanced mixer for generating from two frequency-modulated input signals an output signal including a component at a frequency which is equal to the sum of the frequencies of the input signals, comprising means for generating from two input signals two signals of which the amplitudes are respectively proportional to the sum and difference of the instantaneous amplitudes of the input signals, two rectifiers connected respectively to full-wave rectify the sum and difference signals, and means connected to form an output signal proportional to the instantaneous difference between the two rectified signals. In an embodiment, the two input signals A, B, Fig. 2, are applied to separate input terminals 21, 21, and their difference obtained across the secondary winding 24 of a transformer 23 with a centretapped primary 22. The outputs (A-B) and - (A-B) from either end of the centre-tapped secondary winding 24 are applied to a full-wave rectifier 25. The sum of the input signals is obtained across the primary 26 of a transformer 27 connected to the centre-tap on transformer 23; transformer 27 is provided with a centretapped secondary 28 feeding the voltages (A + B),-(A + B) to the full-wave rectifier 29. The outputs from the rectifiers 25, 29 comprise the two inputs to a differential amplifier 30, from the output of which the desired frequency is obtained.
Patent GB-1078858-A (GB)
Title: Production of mono-and poly-unsaturated aldehydes or their functional derivatives
Inventor: FREYSCHLAG HERWIG
IPC: C07F9/54
Filed: 1964-11-27
Abstract: Mono- or poly-unsaturated aldehydes or their functional derivatives are prepared by reacting an acetal, hemiacetal, mercaptal, aminal, acylal, oxime, hydrazone, semicarbazone or Schiff's base derivative prepared from phosphonium salts having the formula <FORM:1078858/C2/1> in which Ar denotes an aryl radical optionally substituted by alkyl or alkoxy groups, X is an anion, and n is an integer from 0 to 6, with a proton acceptor to convert the compounds into their ylids which are simultaneously or subsequently reacted with aldehydes or ketones by a Wittig reaction.  The aldehyde derivatives so obtained may be hydrolysed to the corresponding aldehydes.  Examples of phosphonium salts of Formula III mentioned are triphenylformylmethyl phosphonium chloride, triphenyl-b -formylcrotyl phosphonium chloride, triphenyl-b -formylcrotyl phosphonium bromide, triphenyl-a  - formylcrotyl phosphonium chloride, triphenyl - 5 - formyl - 5 - methylpentadiene - (2,4)-yl phosphonium chloride, and triphenyl-7-formyl - 3,7 - dimethylheptatriene(2,4,6)-yl phosphonium chloride.  Suitable proton acceptors are, for example, sodium alcoholates, ammonia, amines and aqueous alkali solutions such as caustic soda or potash solution. Suitable aldehydes or ketones to be reacted with the ylids are, for example, b -ionone, a -ionone, C14- aldehyde, b -ionylidene acetaldehyde, retinene, the apocarotenals and carotene dialdehydes. Examples are given of the preparation of (a) the tetraethyl acetal of crocetin dialdehyde, (b) b -apo-121-carotenal; (c) b -apo-81-carotenal; (d) b  - apo - 121 - carotenal - dinitrophenylhydrazone; (e) b  - apo - 121 - carotenal - semicarbazone and (f) b -apo-121-carotenal-oxime.
Patent GB-1061069-A (GB)
Title: Improvements in or relating to the manufacture of sheet metal central heating radiators
Inventor: LANDBERG ERIK
IPC: F28D1/03
Filed: 1964-11-27
Abstract: 1,061,069. Making radiators; corrugating; unwinding; stamping; welding by fusion and pressure. POLYVENTIONS Ltd. Nov. 27, 1964, No. 48273/64. Headings B3A, B3E, B3Q and B3R. [Also in Divisions B5 and B8] Sheet metal strips 11, 12 pass through a reciprocating press 24, comprising a punch member 38, a reciprocable member 40 having a die and a punch on its top and bottom faces respectively and a fixed die member 39, to form transverse ducts (13) and conduits (14) in each strip (Fig. 1, not shown). The strips 11, 12 are looped upwards to allow some slack for the intermittent feed. Rolls 21, 22 are intermittently driven by an electric motor M1 which is controlled by a micro-switch S1 to maintain the appropriate slack. A feed mechanism 25 draws the strips through the press 24 and advances the formed strips to a spot welding apparatus 26, which comprises a row of hydraulic cylinders 47 each carrying an electrode 48 to weld the panels at portions (15) (Fig. 1) when the press 24 is closed. The panels pass to severing means 27 comprising two highspeed cutter discs 52 which cut through the conduits (14), and a shear at station 27B, which severs the panel. The severed panel drops on to a conveyer 28 thereby triggering a micro-switch to return a carriage to a rearward position to latch catches 72 against the trailing edge of the panel. The carriage triggers a second micro-switch to start its forward move and the panel thereon pushes the preceding panel through a welder 29, which seam welds the edges (17) (Fig. 1) between welding discs 29<SP>1</SP>. The seam welded panel P passes to conveyer means (75) (Fig. 9, not shown) in which the panel is brought to a vertical position by rams (80) and moved transversely by a ram (83) on to guide rolls (86) which may accommodate a plurality of panels. The panel is advanced to an edge weld station (76) where the edge to be welded is held in an hydraulically operated clamp (87) which prevents distortion as a welding head (91) traverses the edge of the panel. The trailing edge of the panel may be simultaneously welded in a similar clamp. The welder may be of the inert gas shielded short circuiting arc type. Reference has been directed by the Comptroller to Specification 932,324.
Patent GB-1332358-A (GB)
Title: Apparatus for removing loose material from a bunker
IPC: B65G65/48
Filed: 1970-10-13
Abstract: 1332358 Discharging hoppers F TESKE L TESKE and R DREISMANN 13 Oct 1970 [15 Oct 1969 9 Oct 1970] 48477/70 Heading B8S Material is discharged from a hopper 1/11<SP>1</SP>, Fig. 4 by a wheel with blades 2/3 and falls down a shoot 13 which is offset from the bunker outlet.
Patent GB-1364735-A (GB)
Title: Method of selectively removing material by ion bombardment
IPC: C23F4/00
Filed: 1971-10-19
Abstract: 1364735 Semi-conductor devices WESTERN ELECTRIC CO Inc 19 Oct 1971 [19 Oct 1970] 48500/71 Heading H1K [Also in Division B3] Material is selectively removed from the surface of a workpiece 12 by masking the workpiece surface and bombarding it with a substantially parallel beam of ions (within 5 degrees) having energies greater than 1000 electron volts. The masked workpiece 12 is positioned within a vacuum chamber on a table 13, which is rotatable, translatable and angularly adjustable relative to an ion beam 11. The mask 15 may be a removable metallic foil or applied to the workpiece surface by a photolithographic process. The ion beam 11 of Ar, He, Kr, Ne, Xe or O 2  is accelerated by a D.C. voltage of 1000-75,000 V. and is preferably inclined to the workpiece 12 at an angle 10 of 10-45 degrees. Holes or depressions can be formed in the workpiece 12, which may comprise a crystalline or amorphous insulator, semi-conductor, metal or composite consisting of a conducting or insulating film deposited on a conducting or insulating substrate, e.g. Ta on a glass or ceramic substrate. The substrate 17 of the workpiece 12 may be subsequently removed. Depressions may be formed in insulators or semi-conductors for subsequent metal depositions. In an example, a permalloy film of 0À6 microns thickness on a glass substrate is formed with stripes 0À8 microns wide.
Patent GB-1126192-A (GB)
Title: Take-up reel for a flyer twisting machine or a cable-making machine
IPC: D07B7/06
Filed: 1965-11-23
Abstract: 1,126,192. Reels. MASCHINENFABRIK MEMMINGEN K.G. ING. THEODOR OTTO. 23 Nov., 1965 [3 April, 1965], No. 49752/65. Heading B8M. A take-up reel for a flyer-twisting machine or a cable making machine comprises two portions 10, 11 detachably connected together and each portion comprises a body portion, a radial flange at one end and a plain opposite end, the two parts being mounted on a vertical spindle 3 with their plain ends in contact, the radial flange 5 of one portion 10 having means for securing said reel portion to the rotating frame 2 of the machine, and the radial flange 6 of the other reel portion 11 having a pair of plates 16, 17 pivotally mounted thereon for movement into engagement with the spindle 3 to retain the reel portions 10, 11 in contact with each other and to prevent axial displacement of said reel portions, the plates being held in engagement with the spindle by releasable means to permit removal of the reel portion 11. The plates 16, 17 preferably engage a circumferential groove in the upper end of the spindle 3. The plates 16, 17 are preferably locked in position by means of a clasp member 19 and tensioning lever 20. Preferably each body portion is frusto-conical and the two reel portions are arranged with the narrower ends in contact with each other. In an alternative embodiment, each body portion is cylindrical and the two body portions are arranged in a cylindrical sleeve. The sleeve is preferably made of aluminium and is removed with the winding for transportation.
Patent GB-1182591-A (GB)
Title: Improvements in and relating to Laminates
Inventor: ATKINS HAROLD JEFFREY
IPC: D06M17/00
Filed: 1965-11-24
Abstract: 1,182,591. Laminated non-woven fabrics. LANTOR Ltd. 24 Feb., 1967 [24 Nov., 1965], No. 49983/65. Heading B5N. A method of making a laminate comprises bringing two non-woven fabrics into contact with each other, at least one fabric containing not substantially less than 50% by weight of weldable fibres in that face which is in contact with the other fabric and there being not less than one ounce per square yard of weldable fibres in said face and welding the fabrics together in a predetermined pattern. Specified weldable fibres are modacrylic, polyaerylic. polyamide, polyvinyl chloride, polyvinyl alcohol, polyvinylidene chloride, polyvinyl acetate and cellulose acetate fibres. Other fibres which can be present in the fabrics are cotton fibres and thermoplastic fibres weldable under different conditions from those present at the face. The examples describe the manufacture of electric blankets, the heating element being placed in position prior to welding, the non-woven fabrics being of composite form, wherein the individual layers are bonded together by stitching or needling.
Patent GB-1534286-A (GB)
Title: Adjusting mechanism and method for fuel control for a gas turbine power plant
IPC: F02C9/32
Filed: 1975-12-05
Abstract: 1534286 Gas turbine engines - fuel control systems UNITED TECHNOLOGIES CORP 5 Dec 1975 [6 Dec 1974] 50053/75 Heading F1G In a method of aligning a control shaft of a gas turbine engine fuel control system with the pilot's control lever mounted in the aircraft, the control shaft 22' extends outwardly of the fuel control unit casing 24' and has formed on its outer end a spline 100 which is provided with an enlarged tooth 102. An adjustment plate is securable to the casing 24' by means of two screws 54', 56', the plate being formed with two bosses 112, 114, the boss 112 carrying a projecting dowel pin 116 and the boss 114 being formed with a transverse slot 118 which is adapted to receive a dowel pin 117 projecting from a boss 128 which is an integral part of an adapter 120 forming part of the aircraft; the dowel pin 116 is adapted to be received with a bore formed in a second boss 126 which is an integral part of the adapter 120. A stop plate 104 is engaged with the splined end of the shaft 22' and is formed with lugs 106, 108 which, in operation are engageable with a stop 120 formed on the adjustment plate 42' to limit movement of the control shaft 22'. The screws 54', 56' are loosened and the adjustment plate is moved by means of screws 46', 48' until the centres of the boss 112, boss 114, the large spline tooth 102 and shaft 22' are in alignment as shown. The screws are then secured and the adapter 120 connected, bringing into engagement with the spline 100 a complementarily splined sleeve 122 coupled to the pilot's control lever.
Patent GB-1071629-A (GB)
Title: Improvements in or relating to road and like rollers
Inventor: EVANS PERCY NORMAN
IPC: E01C19/23
Filed: 1964-12-09
Abstract: 1,071,629. Road rollers. LAMBERT ENGINEERING CO. (GLASGOW) Ltd. Nov. 30, 1965 [Dec. 9, 1964], No. 50190/64. Heading A1B. A pneumatic-tyred road roller comprising three steerable wheels 11 and four driven wheels 13 is provided with a rigid roller member 18 which is displaceable vertically by hydraulic rams 19 between a raised inoperative position and a lowered position wherein the wheels 13 are raised from the ground. The wheels 13 are driven by a diesel engine 14 through a torque convertor 15, gearbox 16 and chain drive 17. The roller member 18 is driven by a hydraulic motor 20 supplied from an engine-driven pump.
Patent GB-1367515-A (GB)
Title: Sample amplifiers having automatic regulation of the amplification factor by discrete values
IPC: H03M1/00
Filed: 1971-10-28
Abstract: 1367515 Analogue to digital conversion SOC D'ETUDES RECHERCHES ET CONSTRUCTIONS ELECTRONIQUES 28 Oct 1971 [29 Oct 1970] 50246/71 Heading G4H [Also in Divisions H3-H5] An automatic gain control circuit for amplifying by discrete values an analogue signal to the optimum voltage range of an A/D converter, comprises a chain of equal gain amplifiers 26- 32 with the output of each stage of amplification being selectable singly by a one of gates 33-40 for comparison with two reference voltages 41, 42 in comparators 43, 44, depending upon the result of comparison a logic circuit 46 adjusts a counter therein whose output via a decoder 47 selects another amplifier output for comparison. By initially selecting a centre amplification stage the logic by following predetermined search rules finds after three comparisons the stage which amplifies the input signal to within the optimum range defined by references 41, 42. The degree of amplification is indicated by the final output of the counter in logic 46 which is stored at 51. The amplified signal from the stage finally selected is fed via store 48 to an A/D converter 49, whose output is recorded on magnetic tape (50) along with the amplification factor in store 51. The input signal to the amplification chain is one of a number of seismic signals selected by circuit 25.
Patent GB-1197215-A (GB)
Title: Apparatus for the Reception and Measurement of Liquids
IPC: G01F15/08
Filed: 1967-11-06
Abstract: 1,197,215. Unloading liquids. DIESSEL G.m.b.H. & CO. 6 Nov., 1967 [10 Dec., 1966], No. 50298/67. Heading B8E. [Also in Division F1] Apparatus for the reception and measurement of liquids, such as milk, from road tankers 1, Fig. 1, capable of gravitationally discharging an initial quantity of liquid to the apparatus comprises a suction hose 2 attachable to the tanker and connected to an air eliminator 3, which is followed in succession by a pump 4, a volumetric flow measuring device 6 and a non-return valve 7. Liquid entering the air eliminator 3 under gravity displaces air which escapes through a one-way pressure-actuated vent valve 11. The pump 4 is then started, either manually or automatically, the resultant partial vacuum in the air eliminator 3 closing the vent valve 11. When the tanker 1 has been emptied and the liquid level in the air eliminator 3 has consequently fallen to a predetermined low level, a control means operated automatically in accordance with the liquid level stops the pump. The control means may comprise a float containing a ring magnet which co-operates with upper and lower control elements which switch the pump on and off, respectively. Alternatively, the pump may be switched on and off by means of upper and lower electrodes 15, 14, Fig 3, which sense the liquid level 20. Instead of being carried by a vent pipe as in Fig. 1, the vent valve 11 may be mounted as shown in Fig. 3, and in this case an additional vent valve 13.1 is provided. Valve 13.1 is closed by a float 13 when the liquid has risen to a predetermined high level during the initial gravity filling of the air eliminator 3. Consequently, the valve 11 also closes. Instead of being started when the liquid level reaches the electrode 15, the pump may be started after a time delay, following the covering of the electrode 14. Alternatively, the pump may be started by hand when the valve 13.1 closes. The automatic means for starting the pump may comprise a capacity switch.
Patent GB-1292318-A (GB)
Title: Improvements in or relating to the moulding of articles of a cellular thermoplastic material
IPC: B29C44/42
Filed: 1969-10-14
Abstract: 1292318 Injection moulding cellular articles BRITISH UNITED SHOE MACHINERY CO Ltd 14 Oct 1969 [15 Oct 1968] 50363/69 Heading B5A [Also in Division C3] A method of moulding cellular articles comprises (a) melting a thermoplastic material containing a heat decomposable blowing agent at a temperature below that at which the blowing agent decomposes; (b) increasing the temperature of the molten material to above that at which the blowing agent decomposes and injecting the mixture into a mould cavity to fill it to a pressure sufficient to prevent foaming; and (c) expanding the mould cavity to allow expansion of the material into cellular form, wherein the lapse of time between the increasing of the temperature and the filling of the cavity is sufficiently short that no foaming takes place before expansion of the cavity. The method may be carried out in the apparatus shown, the temperature increase being effected by forcing the material through a restriction formed by a nozzle 18 and sprue passageway 60. The injection cylinder 6 contains an axially reciprocable screw 10 and comprises a temperature control fluid passage 22. Means are provided for moving a piston 57 in a cylinder 58 and therefore a mould member 54 away from a mould member 50 at a substantially constant speed. The moulding material may be polypropylene, polystyrene or polyethylene copolymer and the blowing agent may be azobisformamide.
Patent GB-1224807-A (GB)
Title: Method and apparatus for agglomerating powders
IPC: A23P1/02
Filed: 1968-10-29
Abstract: 1,224,807. Agglomerating soluble coffee. GENERAL FOODS CORP. 29 Oct., 1968 [26 Dec., 1967], No. 51322/68. Headings A2B and A2E. [Also in Divisions B4 and B5] Dry agglomerates of soluble coffee powder are formed by directing upper and lower steam jets 10, 20, or rows thereof, on to a vertically falling curtain 23 of powder whereby the upper jet 10, which is downwardly inclined, disrupts the curtain 23 into wet agglomerates of varying size and the lower jet 20, which may be horizontal or upwardly or downwardly inclined and is located nearer the curtain 23, further wets the agglomerates, breaks up the larger insufficiently wet agglomerates, and displaces the agglomerates laterally to fall through a chamber 30 through which also passes a co-current flow of heated drying and fusion air, which is directed through valved inlet 26 and plenum chamber 28, or alternatively from the sides of chamber 30, causing fusion and then drying of the wet agglomerates. The agglomeration is carried out under conditions whereby 2-6% of added moisture is distributed on the agglomerate surfaces and enables fusion to occur at an agglomerate temperature below 250‹F., whereby flavour is unimpaired. The coffee powder, which is soluble spray dried, is ground and preferably chilled in a grinder 1 to below 80‹F. by the addition of refrigerant, e.g. liquid nitrogen or carbon dioxide, and is fed from hopper 2 by a rotary screw 3, via a vibratory trough 5, to a vibratory distributor box 6 provided with continuous or interrupted parallel slits in the base thereof. The powder fed to or from the grinder 1 may have an initial moisture content of 2-4%, or a higher moisture content of 5-6% which may be obtained by pre-wetting, e.g. with powdered ice, and/or agglomerating at below fusion temperatures. The hot air exits past baffle 31a to duct 32 and the dried agglomerates discharge through duct 34 on to an endless belt 43 passing through a cooling tunnel 40 supplied with cold air at 41 which exhausts at 42 and some whereof also passes up duct 34. The coffee agglomerates cooled to below 100‹F. are sieved by screen 44 with oversize material crushed in mill 46. The chamber 30 may also be supplied with agglomerates from distributor box and steam nozzle assemblies 6 and 10, 20 located on opposite sides thereof. A speckled agglomerate, similar in appearance to ground roasted coffee, is obtained from coffee powder of below 120 microns size with at least 50% by weight being below 15 microns or, with at least 50% above 20 microns a non- speckled agglomerate is obtained.