baber/WOPTO huggingface dataset:
Patent GB-1493155-A (GB)
Title: Welding guns
IPC: B23K9/007
Filed: 1975-08-29
Abstract: 1493155 Welding by fusion ZSCHOKKE WARTMANN AG 29 Aug 1975 [19 Sept 1974] 35797/75 Heading B3R [Also in Division H5] In a MIG or MAG arc plug welding gun comprising a contact tube 23 carried within a workpiece-engaging body 29, an arc struck between a consumable electrode wire issuing from the contact tube and the workpiece is rotated with respect to the body by a ring of electromagnets disposed about the arc or, as shown, by orbital movement of the contact tube so as to produce a generally cylindrical plug weld. The body carries a ceramic ring 34 which, by engaging the workpiece, serves to retain the molten pool and close a shielding gas chamber 33. An electro- or permanent magnet 31 is provided to retain the body against the workpiece. As shown, the contact tube 23 is carried by a shank 20 which is supported by a ball and socket joint 30 and orbitally translated, for arc rotation, by an eccentric 32. The shank 20 is current conducting and carries a welding current terminal 21 and an anti-friction plastics electrode wire feed liner 24. Shielding gas, e.g. argon or CO 2 , is introduced into the body 29 at 25. Cooling water or gas is directed through an inlet 26, body cavities 27 and thence through passages (not shown), the terminal 21 and a shank cavity 28. Alternatively, the shielding gas may be so directed so as to serve as the coolant. The gun carries a control switch (11, Fig. 1, not shown) and is cable connected to an apparatus providing a constant voltage welding current source, a weld timing control, an electrode wire supply reel and feed device, shielding gas supply and control, and coolant supply. In alternative embodiments, instead of orbitally translating the contact tube, the arc may be rotated by an alternating magnetic field provided by one or several electromagnets surrounding the chamber 33, and the ceramic ring may (Fig. 3, not shown) include a porous or perforated disc to retain the molten pool. Solid or cored consumable electrode wire may be used.
Patent GB-792456-A (GB)
Title: Improvements in or relating to potentiometers or variable resistors
IPC: H01C10/34
Filed: 1955-12-13
Abstract: 792,456. Variable resistances. PREH, W., and PREH, A., [trading as PREH ELEKTROFEINMECHANISCHE WERKE, J. PREH NACHFOLGER]. Dec. 13, 1955 [Dec. 23, 1954], No. 35811/55. Class 37. In a variable resistor in which the operating knob and shaft form a single element of insulating material carrying a spring contact member which moves over a resistance element and a contact strip the knob has a projection which forms a limit stop by engagement in an arcuate cut-out in the insulated base-plate on which the resistance element is mounted. As shown in Figs. 1 and 2, knob 1 and shaft 2 control spring contact member 6, a carbon or graphite contact stud 7 on which moves over resistance element 4 mounted on insulating base-plate 9 and a contact piece 8 which bears on collector ring 5. A projection 13 on knob 1 engages in cut-out 12 in base-plate 9 to limit the rotation of the knob. The heads of rivets 10 by means of which resistance element 4 is mounted on base-plate 9 are covered by projecting flange 14 and the conical shape of knob 1 renders it difficult to remove the knob and spring contact member accidentally. A single base-plate may be common to two or more variable resistors.
Patent GB-1011296-A (GB)
Title: Improvements in the treatment of dusts
Inventor: GILFILLAN JOHN HANSON
IPC: E21F5/00
Filed: 1963-09-12
Abstract: A waterproofed and flame-retardant limestone dust comprises limestone dust, a fatty acid, a highly chlorinated non-volatile organic substance and antimony oxide.  The proportion of fatty acid, which may be stearic or palmitic acid, or any mixture thereof, for example palm oil fatty acids, is preferably at least 0.05% by weight of the product.  The organic substance, which must be dispersible in the fatty acid, may be a chlorinated paraffin wax, which preferably contains 70% by weight chlorine, a chlorinated naphthalene, hexachlorocyclohexane or a chlorinated rubber.  The treated limestone dust may be made by mixing limestone dust with a fatty acid containing in suspension the organic substance and antimony oxide. The dispersion, which may be prepared by melting the fatty acid and mixing in the organic substance and antimony oxide, is preferably added to the limestone dust when the dust is at a temperature of from 60 DEG  to 120 DEG  C.ALSO:A waterproofed and flame-retardant limestone dust comprises limestone dust, a fatty acid, a highly chlorinated non-volatile organic substance and antimony oxide.  The dust may be used in collieries to prevent the propagation of flame following explosions either by spreading in mine roadways or by placing in barriers which are disturbed by blast following an explosion to give a curtain of dust.  The fatty acid may be stearic or palmitic acid, or any mixture thereof, for example palm oil fatty acids. The organic substance, which must be dispersible in the fatty acid, may be a chlorinated paraffin wax, a chlorinated naphthalene, hexachlorocyclohexane or a chlorinated rubber.  The treated limestone dust may be made by mixing limestone dust with a fatty acid containing in suspension the organic substance and antimony oxide. The dispersion, which may be prepared by melting the fatty acid and mixing in the organic substance and antimony oxide, is preferably added to the limestone dust when the dust is at a temperature of 60 DEG C. to 120 DEG C.
Patent GB-1361031-A (GB)
Title: Application of coating resin to fibre reinforced resin articles
IPC: B29C48/09
Filed: 1971-07-30
Abstract: 1361031 Glass fibre reinforced tube F H DROSTHOLM 30 July 1971 [30 July 1970] 36034/71 Heading F2P [Also in Division B5] A glass fibre reinforced tube is moulded (see Divisions B4-B5) by drawing glass fibre rovings and/or mats or strips, e.g. in at least two layers, through a polyester or expoxy resin impregnating reservoir and then hardening the resin during passage through a heated shaping die D in which abrasion of a surface of the hardening resin within the die is avoided by applying a coating of further resin thereto, within the die D, to function as a lubricant, and which further resin is hardened downstream of the die outlet. The impregnating resin may comprise polyester, with the coating resin comprising polyester of higher solidification temperature, or lower solidification time and which may be of a different colour. The coating resin may be applied to the external and internal pipe surfaces, or, alternatively the coating may only be applied either to the interior or exterior of the pipe. The impregnating resin may comprise polyester catalysed with 1% benzoyl peroxide, providing for activation of the resin at 82 C. or higher, with the coating resin comprising 100 parts by weight of a bis-phenol-A-epoxy-acrylate, together with 1 part each of tertiary butyl perbenzoate and of fumed silica, activating at a temperature of 138 to 140 C.
Patent GB-753539-A (GB)
Title: Improvements relating to spindles for yarn-spinning and twisting frames
Inventor: EDWARDS ARTHUR WALLACE
IPC: D01H7/58
Filed: 1953-12-30
Abstract: 753,539. Spindle apparatus. FERRANTI, Ltd. Jan. 17, 1955 [Dec. 30, 1953], No. 36127/53. Class 120 (2). A spindle, of the type in which an inner skewer 2 on which a cop 3 is to be wound, is carried by and revolves with an outer casing 1 provided with a slot 4 through which yarn passes to reach the skewer, is surrounded by inner and outer coaxial bearing members 8 and 5, the outer member being attached to a ring rail 7, adapted to rise and fall to build the cop and the inner bearing member being free to revolve independently of the spindle but for an abutment 12 detachably mounted on the inner bearing member and projecting into the slot 4 in the outer casing 1, the abutment 12 being provided with yarn guiding means, whereby the inner bearing member is, in operation, driven round by the outer casing 1. The abutments 12 may be made of nylon and the yarn guiding means may be in the form of a passage therethrough. Alternatively the abutment may be of metal and have a wire loop or pigtail as the yarn guiding means. Buffers 18 may be provided to ensure that the abutments 12 maintain contact with the edges of slots 4. Specifications 268,493, [Class 120 (ii)], and 684,629 are referred to.
Patent GB-1444741-A (GB)
Title: Basic dyes
IPC: C07D249/08
Filed: 1973-07-30
Abstract: 1444741 Basic dyestuffs SANDOZ Ltd 30 July 1973 [31 July 1972 7 Dec 1972 5 Feb 1973 21 Feb 1973] 36128/73 Heading C4P [Also in Division C2] The invention comprises basic dyes free from sulphonic acid groups and which contain a group of the general formula wherein R and R 1  may be C 1 -C 4  alkyl optionally substituted by hydroxy or phenyl, and one of R and R 1  may be NH 2  or C 1 -C 4  alkoxy, or R and R 1  together with the N atom form a radical in which Ro is C 1 -C 4  alkyl or phenyl or a radical of one of the formulae wherein Ra is H, C 1 -C 4  alkyl and n is 1 or 2, R 2  and R 3  are H or C 1 -C 4  alkyl, Y is -(CH 2 ) x -, -[-CH(R 4 )-]x-,-CH = CH-CH(R 4 )-, where x is 1-6, R 4  has the meanings of R 2  or R 3  and R 5  is -O- -S-, -N(R 6 )- where R 6  is H or C 1 -C 4  alkyl,-SO-,-SO 2 -, or >CO, Q is an optionally substituted phenyl, naphthyl or diphenyl radical or a radical of the general formulµ where R 10  is H, halogen or C 1 -C 4  alkyl, R 11  is C 1 -C 4  alkyl, C 1 -C 4  alkoxy, phenyl, phenoxy, halogen, CF 3 , -NO 2 , CN; CORo -COORo, -OCORo, -SO 2 -Ro, -SO 2 N(Ro) 2 , or CONHRo where Ro is C 1 -C 4  alkyl or phenyl and R 7  is -S-,-O-, >CO, -SO-, >SO 2 , -CH 2 -, -CH(R 8 )-, -C(R 8 ) 2 - or -N(R 8 )- where R 8  is C 1 -C 4  alkyl. The dyes are of the anthraquinone and mono- and dis-azo series. They are prepared by azo coupling, by quaternizing a dye containing a group with a compound R 1 A or by reacting a compound (R)R 1 N-C(R 2 ) (R 3 )-Y-O-Q wherein R, R 1 , R 2 , R 3 , Y and Q are as above with a dyestuff containing an acid radical of an ester, e.g. a tosylate group, which may yield the anion A(-). The dyes are used to dye homo- or co-polymers of acrylonitrile or asymmetrical dicyanoethylene and acid modified polyester or polyamides.
Patent GB-761646-A (GB)
Title: Improvements relating to the heating of flowing liquids by the injection of vapour
IPC: F24H1/10
Filed: 1954-12-14
Abstract: 761,646. Heating liquids by direct contact with vapour, temperature-responsive actuating elements. FARBENFABRIKEN BAYER AKT.-GES. Dec. 14, 1954 [Dec. 14, 1953], No. 36208/54. Addition to 749,635. Classes 64(1) and 64(2) In the water heater described in the parent Specification, the valve 2 controlling the supply of steam is controlled not only by the expansible corrugated tube 1 exposed to the water to be heated, but also by a second expansible corrugated tube 11 connected by a tube 13 to a container 14 exposed to ambient temperature, which consequently influences the admission of steam. The container 14 may be star-shaped in cross-section.
Patent GB-426045-A (GB)
Title: Improvements in or relating to hot water circulating systems for heating purposes
IPC: F24D10/00
Filed: 1934-12-18
Abstract: 426,045. Heating by circulation of fluids. SULZER FRERES SOC. ANON., Winterthur, Switzerland. Dec. 18, 1934, Nos. 36278 and 36279. Convention dates, Dec. 23, 1933 and Sept. 22, 1934. [Class 64 (ii)] In a hot water circulating system, heat consumers are arranged in two or more temperature stages in series, and each stage may have consumers which are in parallel. In Fig. 1, hot water is delivered by a pump 5 to a main 4 which supplies five stations 6-10. Station 6 illustrates successive temperature stages with intermediate distributers 12, 13, and the other stations illustrate arrangements of single and multiple stages. Fig. 2 shows the details of station 6. A cooking boiler or heater 17, washing machine 18 and sterilizer 19 consume heat at high temperature and discharge into a common chamber 20, which is also connected with the main 4 by a valved pipe 21. Chamber 20 supplies hot water to a heat-exchanger 23 for a radiating system, and the outlet pipe 13 supplies cooler water to storage tanks 33, 34 which discharge into the main return 11. Chamber 20 also supplies heat-exchangers 30, 31 and a storage tank 32 which discharge directly to the return 11. The connection of all the high temperature units to a common chamber 20 ensures a more uniform temperature of the latter in the event of an abnormal load on the consumers, and this is further facilitated by a direct high temperature connection 21 when required. Modifications are described in which the pipes to or from the heat consumers are thermostatically controlled.
Patent GB-415935-A (GB)
Title: Improvements in and relating to fire extinguishing apparatus
IPC: A62C35/64
Filed: 1933-12-27
Abstract: 415,935. Fire extinguishing and alarms. BURGESS, A. F., 10, New Court, Lincoln's Inn, London.-(Automatic Sprinkler Co. of America; 910, Standard Bank Building, Cleveland, Ohio, U.S.A.) Dec. 27, 1933, No. 36388. [Classes 47 (i) and 47 (ii).] In a system wherein a device, for example a main sprinkler valve 10, is controlled by the expansion of air in any one of several air tubings 30, individual to several fire zones A, B, acting through a common pressure-sensitive device, shown as a diaphragm 42, means is provided for preventing dissipation of the pressure arising in any tubing to other tubings of the system. The inner end of each tubing 30 dips into mercury 36 in a vessel 34, a tube 38 from the air space of each vessel communicating with a common pipe 39 leading to the diaphragm chamber 41. Each vessel 34 acts as a one-way valve in the respective tubing system 30, 38. A restricted vent 31 in each tubing 30 and a vent 37 in the pipe 39 serve for pressure-equalization. Electric contacts 44, 46 in each vessel 34 are bridged by the rising mercury when pressure rises in the associated tubing 30. The contacts of the several vessels 34 separately control dropindicator coils 52, and all control the coil 49 for a release member 48 adapted to actuate both a code transmitter 47 and a general alarm 47<1>.
Patent GB-1392486-A (GB)
Title: Multifilament yarns comprising filaments of multilobal cross-sec- tion
IPC: D02G1/02
Filed: 1972-08-03
Abstract: 1392486 Multifilament polyamide yarn E I DU FONT DE NEMOURS & CO 3 Aug 1972 36393/72 Heading B5B [Also in Division D1] A multifilament feed yarn for false-twist texturing composed of polyamide derived from bis-(4-aminocyclohexyl) methane (at least 45% trans-trans isomer) and dodecanedioic acid is characterized in that the filaments have a multilobal cross-section with at least five lobes, the lobes are symmetric about a centre line through the lobe, the lobes are of substantially equal length and are substantially equally spaced about the centre C of the filament, and is further characterized in that (MR)(N)/d<SP>¢</SP>c<SP>À0352N</SP> is at least 3À3, and (MR)/cosec[90(N-2)/N] is in the range 1À03-1À6, where (MR) is the modification ratio-defined as ratio of radius R 1  of circumscribed circle to radius R 2  of inscribed circle-N is the number of lobes, d is the denier per filament, and e is the base of the natural logarithm system. The yarn is produced by melt-spinning and drawing and is textured by a false-twist process and results in a yarn producing a sheen fabric without glitter. Dimensions of a suitable spinneret are given in the example.
Patent GB-749238-A (GB)
Title: Improvements in and relating to a control apparatus for an electric motor
IPC: B21D39/06
Filed: 1954-12-16
Abstract: 749,238. Controllers. SOC. DES BREVETS WAGNER. Dec. 16, 1954 [March 27, 1954], No. 36425/54. Class 38(3) The value of current at which a loadresponsive relay R is actuated to disconnect a motor M during a tube-beading operation is dependent upon the adjustment of a potentiometer P, so that, having ascertained the cut-off value corresponding to a desired maximum torque, a succession of operations may be made to facilitate the process of rapid beading. To start the motor, a switch I<SP>1</SP> is moved to engage contact j so that the motor is connected directly to the direct-current or singlephase supply-lines L. The switch I<SP>1</SP> is then placed on a contact k and the motor circuit is completed through switch C<SP>1</SP>, potentiometer P, and ammeter A. When the rectified current applied to relay-coil B<SP>1</SP> reaches a predetermined value, contacts C<SP>3</SP> are closed to energize coil B<SP>2</SP> which opens contact C<SP>1</SP> to disconnect the motor and closes a self-holding contact C<SP>2</SP>. Indicating lamps L', L<SP>2</SP> are extinguished when the motor is cut-off, the control apparatus being re-set for a further operation by moving switch I<SP>1</SP> to engage contact j. A potentiometer resistor 9 may be connected in parallel with the main resistor 8 by closing a switch P having an actuator 18, so altering the value of motor current at which the load-responsive relay is actuated. The sliders 10, 11 of the potentiometer are rigidly coupled on a nut displaced by a screw having a control knob 14, and graduations 16, 17 indicate the positions of the sliders. As shown. parts of the control apparatus are enclosed in a portable casing 1 having plugs for connection to the supply-source, the external indicating lamp L<SP>1</SP>, the motor M, and to earth. Windows are provided for the ammeter A, the graduations of the potentiometer, and the internal indicating lamp L<SP>2</SP>. The coils B', B<SP>2</SP>, and their associated switches, together with the rectifier S, are assembled as a single unit connected to a removable base at the bottom of the casing.
Patent GB-1138864-A (GB)
Title: Process and apparatus for coating powders
Inventor: WEST DEWITT HENRY
IPC: B01J8/42
Filed: 1965-08-25
Abstract: 1,138,864. Coating with metals; carbonyl process. INTERNATIONAL NICKEL Ltd. Aug.19, 1966, [Aug. 25, 1965], No. 36534/65. Headings C7D and C7F. Solid particles are coated with metal by thermal decomposition of a gaseous carbonyl of the metal in a fluidized bed 3 of the particles in a vertical decomposer 1, in which the particles to be coated are introduced into the bottom of the bed as a preheated suspension in an inert fluidizing gas, e.g. through a Venturi inlet 14 in the conical base 2 of the cylindrical decomposer, and the carbonyl is introduced upwardly into the bed through at least one fluid-cooled conical inlet 6 above the bottom of the bed and spaced from the decomposer walls. Preferably the fluidizing gas is CO. Nickel carbonyl is used for producing coarser Ni particles by coating finer particles, for coating sand or other refractory particles with Ni for catalytic use, for coating Mg powder with Ni; iron carbonyl is used for coating Ni powder with iron. Particles of thermo-setting resins may be coated with Ni or Fe; for producing hollow metal powders, NaCl particles may be Ni or Fe coated followed by leaching. The decomposer also has a solid outlet 24 for the coated particles and a gas outlet at the top. Coated particles may be continuously removed from the top of the bed e.g. via stand-pipe 7 and re-suspended in fluidizing gas e.g. in an ejector 9 fed with CO from a compressor 10, reheated e.g. through a tubular preheater 12, and returned to the decomposer. The fluidizing gas may also be recirculated back through the decomposer.
Patent GB-893225-A (GB)
Title: Improvements relating to polyurethane foams
IPC: C08J9/00
Filed: 1960-10-27
Abstract: A flameproof rigid closed cell polyurethane foam contains within its cells a saturated aliphatic fluorohydrocarbon and has dispersed therethrough 8 to 12% by weight of antimony trioxide and 2 to 5% by weight of aluminium or bismuth powder.  In an Example (1) a prepolymer is prepared from a phthalic/adipic acid/2,2-dihydroxymethyl-1-butanol polyester and toluene-2,4 and 2,6-diisocyanates and is mixed with CFCl3, antimony trioxide and atomized aluminium powder.  Foaming is effected by passing the mixture to a mixing chamber to which is also supplied an activator comprising more polyester, ethylene glycol, dimethylethanolamine and emulsifier (90% polypropylene glycol and 10% polyethylene glycol), and discharging the mixture into a heated mould.  The use of di-chlorohexafluorocyclobutane, dibromotetrafluoro-ethane and mixed trichlorotrifluoroethane and dichlorotetrafluoroethane is also referred to.ALSO:A flameproof rigid closed cell polyurethane foam contains within its cells a saturated aliphatic fluorohydrocarbon and has dispersed therethrough 8 to 12% by weight of antimony trioxide and 2 to 5% by weight of aluminium or bismuth powder.  In an Example (1) a prepolymer is prepared from a phthalic/adipic acid/2,2-dihydroxymethyl-1-butanol polyester and toluene 2,4-and 2,6-diisocyanates and is mixed with CFCl3, antimony trioxide and atomized aluminium powder.  Foaming is effected by passing the mixture to a mixing chamber to which there is also supplied an activator comprising more polyester, ethylene glycol, dimethylethanolamine and emulsifier (90% polypropylene glycol and 10% polyethylene glycol), and discharging the mixture into a heated mould.  The use of dichlorohexafluoro-cyclobutane, dibromotetrafluoroethane and mixed trichlorotrifluoroethane and dichlorotetrafluorethane is also referred to.
Patent GB-1124463-A (GB)
Title: Electronic integration apparatus
IPC: G06G7/186
Filed: 1965-08-27
Abstract: 1,124,463. Integrating circuits. APPLIED DYNAMICS Inc. 27 Aug., 1965 [27 Aug., 1964], No. 37004/65. Heading G4G. An integrator (Fig. 3) comprises scaling resistors R 1 , R 2  receiving input voltages e 1 , e 2  applied to summing portion 10 of amplifier A having a feedback capacitor C; the output e 0  being applied over resistor R 4  to an inverter amplifier A2 of unity gain, having a feedback resistor R 5  = R 4  to develop an output voltage e 3  = - e 0  representing the integral of the combined input voltages. Voltage offset of amplifiers A, A2 is compensated by potentiometers adjusted by knobs 9, 8 to insert voltages in opposite sense into the differential amplifier input stages of the amplifiers, which also receive D.C. stabilization signals from a modulator / amplifier / demodulator channel STAB energized from the outputs. Input current to amplifier A is balanced out by an opposed current i c  if switchable polarity from variable voltage divider R-A, R-B and R-C applied to summing junction 10. Errors due to capacitor leakage, finite amplifier gain, and capacitor absorption loss are corrected by positive feedback applied to summing junction 10 from the output of amplifier A-2 over voltage divider R 1L , R 3L  and resistor R 2L to cancel capacitor leakage and finite amplifier gain errors, and over plural networks comprising potential dividers R 11 , R 31 ; R 12 , R 32 ; R 13 , R 33  &c. and series capacitor-resistance circuits C 1 , R 21 ; C 2 , R 22 ; C 3 , R 23  &c. to cancel capacitor absorption errors. The temperature coefficient and voltage coefficient errors of the integrating capacitor may be compensated by parallel capacitors which are temperature and voltage variable in appropriate senses. Basic amplifier A may comprise a chain of plural stages, and the compensating positive feedback may be applied across appropriate stages of the chain (Fig. 4, not shown), or from the output to a second input of a first differential amplifier stage (Fig. 5, not shown), and the compensating networks may be rearranged (Figs. 6A, 6B, not shown). Voltage coefficient errors may also be corrected by feedback over capacitance in series with parallel oppositely poled diodes (Fig. 6C, not shown).