baber/WOPTO huggingface dataset:
Patent GB-1317918-A (GB)
Title: High temperature apparatus
IPC: B05B7/22
Filed: 1970-10-30
Abstract: 1317918 Arc heating apparatus HUMPHREYS CORP 30 Oct 1970 [14 Nov 1969 (2)] 51686/70 Heading H5H Apparatus for heat treating materials to effect chemical or physical changes or for use as a light source, heat source or for use in flame spraying comprises a chamber 10 containing a plurality of rod anodes 52 arranged in a common plane with their arcing ends adjacent and angularly spaced about a central axis and a cathode rod 92 arranged to lie on the central axis with its end spaced from the said common plane so that when a suitable supply 208 is applied between the anodes 52 and cathode 92 a cathode jet 210 and an elongated high anthalpy tail flame 212 extend from the anodes into the tapered section 22 of the chamber. The cathode (Fig. 3) 92 comprises a tapered tungsten tip 98 secured to watercooled copper sections 96, 94. A nylon sleeve 90 around cathode 92 is surrounded by a cylinder 82 which cooperates with a ring 80 to define an annular channel 84 provided with a series of ports 86 in its inner wall to introduce a shielding gas e.g., argon, to a nozzle 72 surrounding tungsten tip 98. The nozzle 72 is seated in a plate 60 provided with three angularly spaced material feed passages 64 which may be supplied with a carrier gas to convey particulate material to the arc zone cathode tip and the anodes. A water cooling channel 76 fed from passage 78 is provided in plate 60. Each anode 52 (Figs. 4 and 5) is supported by rollers 122, 124 of a drive assembly 54 and by a bushing 120 in a power supply assembly 56. A base structure 170 has three shafts 172, 174, 176, which carry a toothed roller 206 and the rollers 122, 124 respectively. Sprockets 194, 196, 198 on respective shafts 172, 174, 176 are linked by a chain 200 tensioned by a spring biased idler sprocket 202. The axis of roller 206 is skewed so when shaft 172 is rotated by motor 190 through reduction gear 188 via worm gear 182 and worm 184, the anode rod 52 is slowly advanced whilst being continuously rotated. The power supply assembly 56 comprises a graphite probe 140 spring biased against anode rod 52. The anodes and cathode may both be made of graphite in which case the cathode has a drive and power supply assembly similar to the above. Particles introduced to the arc region and passed through the elongated high enthalpy zone by carrier gas can be spheroidized by free fall or flattened on impact with a surface.
Patent GB-1136484-A (GB)
Title: 2-halo-4-(1-piperazinyl) benzaldehydes
IPC: C12P17/10
Filed: 1966-03-18
Abstract: 1,136,484. 2 - Halo - 4 - (1 - piperazinyl)- benzaldehydes. STERLING DRUG Inc. 18 March, 1966 [1 April, 1965], No. 52097/67. Divided out of 1,136,483. Heading C2C. Novel 2 - halo - 4 - (1 - piperazinyl) - benzaldehydes are prepared (a) by reacting a 3 - (4 - substituted - 1 - piperazinyl) - halobenzene with an N-R<SP>1</SP>-N-R<SP>11</SP>- formamide, where R<SP>1</SP> is C 1-7  alkyl and R<SP>11</SP> is C 1-7  alkyl or phenyl, in the presence of a phosphorus oxyhalide, and, if desired, hydrolysing a 4-acylated-1-piperazinyl compound obtained to a 1-unsubstituted - piperazinyl derivative or (b) reacting a 1-(3- halophenyl)-piperazine with 4-methyl-3-sulphophenyl-hydroxylamine in the presence of formaldehyde and a strong acid and heating the product obtained with aqueous ammonium hydroxide or an aqueous alkali metal hydroxide. 1 - (3 - Chlorophenyl) - 4 - R - piperazines in which R is aldehydo, benzoyl, 6 - (4 - tertiaryamylphenoxy) - hexyl, methyl or ethyl, are prepared by reacting 1 - (3 - chlorophenyl) - piperazine with formic acid, benzoyl chloride, 6 - (4 - tertiary - amylphenoxy) - hexyl bromide, ethyl bromide or formic acid and formaldehyde, respectively. 6 - (4 - Tertiary - amylphenoxy) - hexyl bromide is prepared by reacting sodium 4-tertiaryamylphenoxide with 1,6 - dibromohexane.
Patent GB-1214304-A (GB)
Title: Projection screen
Inventor: CHANDLER JASPER SCHELL
IPC: G03B21/58
Filed: 1967-11-17
Abstract: 1,214,304. Projection screens. EASTMAN KODAK CO. Nov.17, 1967 [Nov.21, 1966], No.52361/67. Heading G2A. A projection screen 16, e.g. a directional screen, can be mounted in a case 10 having a pair of hinged cover members 12,13 and reflecting surfaces 30,35, on the case 10 or the cover members for establishing the optimum angular position, in use, of the screen relative to a projector and the audience space. The screen is erected with the cover members 12,13 covering the screen, and the projector beam is directed on to the cover members. Two sets of reflectors 30,35, which each comprises three angled reflectors 31-33 and 36-38 respectively, reflect the projected beam to show the horizontal and vertical limits between which the screen may be used, and the centre of the audience space. The cover members 12,13 are then opened to a position normal to the frame 11 of the case and the screen may then be tilted to the optimum angle with regard to the centre of the audience, by means of the indicia 47, 48, one of the lines of which is pointed at the projector and the complementary line will indicate the centre of the audience. The case may be tilted by means of feet 49 threadably engaged by blocks 50 inside the case.
Patent GB-1379043-A (GB)
Title: Process for preparing polymers containing amide and imide groups
Inventor: PAUZE DENIS R
IPC: H01B3/30
Filed: 1971-11-11
Abstract: 1379043 Coating GENERAL ELECTRIC CO 11 Nov 1971 [14 Dec 1970] 52462/71 Heading B2E [Also in Division C3] Copper wires, which may have a polyesterimide sub-coating, Al, steel and glass are coated with a polymer which has been made by (1) reacting a tricarboxylic acid anhydride with a polyamine to form an amide-imide prepolymer and (2) reacting the prepolymer with an optionall blocked polyisocyanate, #75% moles of the above anhydride may be replaced by one or more of an aliphatic or aromatic dicarboxylic acid or anhydride or an aromatic tetracarboxylic acid. The polymer may be used in solution to form the coatings, which'may subsequently be cured. A pigment paste may be added to a solution of the polymer to form a paint.
Patent GB-1520660-A (GB)
Title: Drumtype washing machine
IPC: F16B2/08
Filed: 1975-12-22
Abstract: 1520660 Band clamps THOMSONBRANDT 22 Dec 1975 [24 Dec 1974] 52471/75 Heading E2B The drum of a washing machine and its lid are held together by means of a strap, of plastic or corrosion-proofed metal, in the form of a ring of material having a channelshaped cross-section. Towards each free end of the strap there is provided a hole to allow a fitting tool purchase. Several strap fastening means are disclosed, all of which involve the engagement of a projection formed or provided at one end in an opening at the other.
Patent GB-1127348-A (GB)
Title: Dip-moulding apparatus
Inventor: KEESLING THOMAS BELMONT
IPC: B29C37/00
Filed: 1966-11-28
Abstract: 1,127,348. Dip-moulding; stripping. BECTON, DICKINSON OF CALIFORNIA Inc. 28 Nov., 1966, No. 53208/66. Heading B5A. In a dip-moulding apparatus having an endless moving conveyer carrying a plurality of formers, there is a series of stripping units having a spacing equal to that between the formers, and which pass alongside the conveyer in synchronism with the formers so as to engage them, the stripping units each having means to grip a moulded article on the former, and strip it therefrom while turning it inside out on relative movement between the former and stripping unit. In one embodiment, the formers 14 are carried along an endless track 12 by endless chain 15, the stripper units 21 being carried synchronously along by endless chain 22. The former 14 passes into stripper unit 21 as they converge, and the article thereon, e.g. glove 16, is then gripped by arms 57 having a brush 81 and spade 82 at their ends, which are rotated by bevel gears (Fig. 6, not shown) to roll up the article forming a cuff thereon (Fig. 12, not shown) and the lip of the spade 82 is inserted adjacent thereto. The cuff is then unrolled by opposite rotation of the brush 81, the arms 57 then being opened, holding the glove (Fig. 14, not shown). The articles are then stripped by relative movement of the former and stripper unit. Movement of arms 57 &c. is effected by cams &c. adjacent the track (Fig. 17, not shown).
Patent GB-1183730-A (GB)
Title: Improvements in Linear Induction Motors.
Inventor: DAWES ERNEST JOHN
IPC: H02K41/025
Filed: 1967-11-24
Abstract: 1,183,730. Linear motors. ROTAX Ltd. 24 Jan., 1969 [24 Nov., 1967], No. 53497/67. Heading H2A. A linear induction motor comprises a stator including a housing 10 within which is located a series of axially spaced coils 11 separated by laminations 13, the magnetic circuit of each coil being completed by a ring of magnetic material 12 comprising a coiled metal strip of more than one turn, the turns being insulated from one another, e.g. by a layer 17, Fig. 2 (not shown) of paper interleaved with the turns of the ring. Alternatively a layer of epoxy resin may be placed on one or both sides of the metal strip to insulate and secure together the turns of the ring. Current may be taken to the coil through a thin conductive strip interleaved with and insulated from the turns of the ring. The rotor is a rod or bar movable through axially aligned openings in the coils and laminations.
Patent GB-1365879-A (GB)
Title: Kettles and like vessels
IPC: A47J27/21
Filed: 1970-11-11
Abstract: 1365879 Kettle SAMUEL GROVES & CO Ltd 4 Feb 1972 [11 Nov 1970] 53610/70 Addition to 1274444 Heading A4A A kettle 10 comprising a vessel in accordance with claim 1 of Specification 1274444 has an internal electric heating element 19. The spout 14 of the kettle is formed as an outward extension of an upwardly diverging side wall 12 and is partially closed by portions of the single piece of sheet metal forming the vessel being turned towards each other and joined along a seam line (15) Fig. 2 (not shown). The upper edge of the side wall 12 is closed by an annular plate 17 supporting a cover 18. The lower edge of the mouth 16 of the spout 14 is spaced above the bottom wall by a distance which is slightly greater than that of the lowest part of the central aperture of the plate 17. A plate may be provided in the kettle to shield the spout 16 from the main body portion of the vessel.
Patent GB-1240218-A (GB)
Title: Aerating and cooling apparatus
Inventor: DIVELY ROBERT CLARK
IPC: F28C3/06
Filed: 1969-11-04
Abstract: 1,240,218. Surface aeration apparatus. SYDNOR HYDRODYNAMICS Inc. 4 Nov., 1969 [20 Nov., 1968], No. 54071/69. Heading B1C. [Also in Division H2] The motor 12 of a floating surface aeration unit 10 is housed in a tube 18 provided with vanes 26, the arrangement being such that when the propeller 16 is rotated liquid is circulated through the tube thereby cooling the motor, the vanes preventing the formation of vortices. The tube may have an outwardly flared end 24 and a deflector 38 may be located above it. In a modification, Fig. 3 (not shown), the tube is constricted in the propeller region. The tube, which may be made of glass fibre reinforced plastics material, may be supported by a float comprising a frame 32 within which is deposited a float member 34 consisting preferably of polyurethane foam.
Patent GB-1532961-A (GB)
Title: Sling secured to a backing sheet
IPC: B66C1/16
Filed: 1974-12-14
Abstract: 1532961 Slings FISONS Ltd 9 Jan 1976 [14 Dec 1974] 54135/74 Heading B8H A sling assembly comprises a backing sheet 1 to which a clover leaf sling 2 is secured, the latter comprising a load-carrying portion 3 and four lifting loops 5 which are collapsed in Fig. 1 such as by folding or by being rolled up, the loops 5 being removably secured to the sheet 1. The loops 5 may be extended to form carrying loops (8) to pass about a load (7) mounted on the sling assembly, Fig. 2 (not shown).
Patent GB-1182329-A (GB)
Title: Improvements in or relating to a Harmonic Distortion Analyser
Inventor: SALAVA TOMAS
IPC: G01R23/00
Filed: 1967-11-30
Abstract: 1,182,329. Measuring harmonic distortion. TESLA, NARODNI PODNIK. Nov.30, 1967 [Jan.20, 1967], No.54611/67. Heading G1U. In a system for automatically measuring a selected harmonic resulting from the passage of a signal through a system 11, which may be a loudspeaker whose non linearity is to be determined together with a microphone in a non echoic chamber, the signal is derived by beating together at 3 a continuously variable frequency signal f 1  from a variable frequency oscillator 1 with a fixed frequency signal f 0  and passing the resultant through a low pass filter 4. The output from this is applied as the input to the system 11. The output of the variable frequency oscillator 1 is also passed via a frequency multiplier 5 to a ring modulator 6 where it is mixed with the output fp from an auxiliary oscillator 7. The output from the modulator is passed via a band pass filter 8 to a further ring modulator 9, where it is mixed with the output from the system 11 under test. The nth harmonic in this output, where n is the factor introduced in the multiplier 5, beats with the signal from the filter 8 to provide a constant frequency output fn, whose amplitude indicates the content of the nth harmonic in the output from the system 11. This is displayed on a recorder 12, whose movement is coupled to the sweep of the source 1 of the signal f 1 , to provide an output showing the variation in the amplitude of this harmonic with respect to the input frequency. The analysing system may be used to determine inter-modulation products in a loudspeaker by exciting it with two gliding tones of constant frequency difference and suitably shifting the frequency of the auxiliary oscillator 7.
Patent GB-1154388-A (GB)
Title: Improvements in or relating to apparatus for Marking Animals
IPC: A01K11/00
Filed: 1966-12-08
Abstract: 1,154,388. Marking animals. CHIRANA, ZAVODY ZDRAVOTNICKE TECHNIKY, OBOROVY PODNIK.. 8 Dec., 1966 [9 Dec., 1965], No. 54928/66. Heading A1X. An animal-marking device employing a set of longitudinally-reciprocable tattooing needles is characterized in that the needles are of different lengths and their points lie on a straight line forming an acute angle with the direction of reciprocation. In Fig. 2 the needles are set in a hollow head 1 supplied with marking fluid through a flexible tube 4a. The fluid passes into a porous deformable mass 7 surrounding the needles 2 and contained within a tube 6 which is stationary and has a chamfered end 6a corresponding to the line of needlepoints. In a modification (Figs. 4 and 5, not shown) the mass 7 is omitted and the fluid passes through the needles, which are hollow. The head and needles are reciprocated by a rod 5 attached to an oscillating arm 11. Springs 12, 13 encircle the arm where it passes through a fixed body 8, threaded end-stops 9, 10 being adjustable to vary the stroke.
Patent GB-1464270-A (GB)
Title: Optical aid for use in the selection of spectacle frames
IPC: G02C13/00
Filed: 1974-12-20
Abstract: 1464270 Mounting trial spectacle lenses AC NOBLE 31 Oct 1975 [20 Dec 1974] 55204/74 Heading G2J A mount for holding a trial lens 15 in a spectacle frame comprises a lens holding ring 12 and a plurality of opposed pairs of resilient arms 16, 17, extending therefrom, each arm being provided with a member 18. The members 18 are for engagement with the lens retaining groove of the frame and are preferably of 'V' shaped crosssection. As shown arms 17 are longer than arms 16 whereby engagement in a large aperture may be achieved. In a smaller frame both arms 17 and arms 16 may have their extremities engaged in the groove. The holder is preferably of plastics material. It is of particular use for allowing a wearer to inspect himself in a mirror when selecting spectacle frames which are as yet lensless. To this end a set of holders may be provided, each holder bearing a respective lens of different power to that of the others of the set. "Spectacle frame" includes Lorgnette, monocle &c.
Patent GB-1315619-A (GB)
Title: Abrasion-resistant sliding members
IPC: F16J9/26
Filed: 1971-11-29
Abstract: 1315619 Ferrous alloys; electro-depositing nickel and particulate material NIPPON PISTON RING KK 29 Nov 1971 [12 Dec 1970] 55294/71 Headings C7A, C7B [Also in Divisions F2 F1] A cast iron piston ring has the following composition by weight; 3À12% C, 2À05% Si, 0À73% Mo, 0À55% Ni, 0À54% Cr, 0À68% Mn, 0À11% P, 0À05% S and is slidable in a cast iron cylinder which is coated with an electrolytic deposit of nickel containing an abrasion-resistant material by passing electric current of density 2À7 A/dm<SP>2</SP> through an electrolytic bath containing 235qr/litre nickel sulphate, 54 qr/litre nickel chloride, 28 qr/litre boric acid & 30 qr/litre silicon carbide of 30Á particle size, the bath being of PH 5À8 & 51À5C. The abrasion-resistant material may be nickel oxide, aluminium oxide, iron oxide or tungsten carbide instead of a silicon carbide.
Patent GB-1278680-A (GB)
Title: Adhesive laminar material
Inventor: THARP INMAN D
IPC: C09J7/21
Filed: 1969-11-12
Abstract: 1278680 Adhesive tape LITTON BUSINESS SYSTEMS Inc 12 Nov 1969 [13 Nov 1968] 55435/69 Heading B2E [Also in Division B5] An adhesive label or tape 1 comprises a substrate 3, e.g. of paper or cloth, a barrier layer 5 and a water soluble pressure sensitive adhesive layer 7, the barrier layer 5 being sufficiently dense so as to permit the passage of no more than 10 ml/sq. in. at a pressure of 12.2 inches of water in 400 seconds and having a grease resistance such that at least 1800 seconds are required for water free coloured turpentine to pass therethrough. The water soluble pressure sensitive adhesive may be that disclosed in U.S. Specification Nos. 2985609 and 3249572. The barrier layer may be polyvinylidene chloride, polyethylene, polyethylene terephthalate or polystyrene but is preferably water soluble such as an animal, vegetable or natural glues, casein, gum arabic, starch, dextrin, British gum, chlorinated starch, sodium silicate, polyvinyl alcohol, carboxymethyl cellulose and methyl or hydroxyethyl cellulose. A release sheet 9 comprising Kraft paper 9 having extruded polyethylene 13 on both faces and a release coat 15 on one face may be used to protect the adhesive.
Patent GB-1409744-A (GB)
Title: Magnetic devices
IPC: G11C19/08
Filed: 1972-12-04
Abstract: 1409744 Moving domain systems WESTERN ELECTRIC CO Inc 4 Dec 1972 [6 Dec 1971] 55827/72 Heading H3B In a single wall magnetic domain device where domain propagation is achieved by a magnetic overlay pattern and a rotating in-plane field, domains are transferred from minor loops L1-LN to major loop LM, Fig. 1, by pulsing a current conductor whose magnetic field causes the transfer. The conductor shape and path is so arranged that the magnetic overlay can be optimized for ordinary propagation in the loops, and the risk of mis-propagation is reduced. Fig. 2 shows the overlay pattern in detail at a region of the device where transfer is to take place. Consider a domain at 27, the extreme left hand point of loop L2, with the in-plane field as shown at H. A current pulse is passed through control conductor 24 as shown at i, setting up a field having components X, Y and Z (the latter is not shown). At the same time the in-plane field rotates 90 degrees anticlockwise, and but for the current pulse this would move the domain to point 28. However the in-plane field is nullified because the Z component of the control conductor cancels the pole induced by the in-plane field at 28. The X component urges the domain to the left, while the Y component provides a pole in a serpentine transfer element between points 29 and 30. The combined effect of this is that the domain moves along the element and stops between points 30 and 31. The current pulse terminates as the in-plane field rotates a further 90 degrees, and the domain moves to point 31 in the major loop LM. Because of the zig-zag shape of the conductor 24, the fields it produces at its left side in Fig. 2 are in the opposite direction to those at its right side; hence in transfer of a domain from the major loop to a minor one the sequence of events is the same as described above, Fig. 3 (not shown). Since the conductor 24 overlies all the minor loops transfer occurs to or from each loop simultaneously, and thus a complete word may be transferred.
Patent GB-1410226-A (GB)
Title: Reinforcing device for an element of prestressed concrete and  applications thereof
IPC: E04C5/08
Filed: 1972-12-05
Abstract: 1410226 Pretensioned reinforcement elements; railway sleepers R P SONNEVILLE 5 Dec 1972 [17 Dec 1971 4 May 1972] 55985/72 Headings E1G and E1W A high tensile steel tube 1 for prestressing concrete elements such as railway sleepers has radially projecting flanges or plates 2, 3 welded onto each end and is pretensioned by compressing a steel bar or tube 4 between the end plate 2 and a plate 5. The end plates 2, 3 may be friction welded to the tube 1. The compressing plate 5 may be replaced by a central bolt engaging a taped bore in the end plate 3 or by providing a screw thread and bolt head on the bar 4 itself. The tube 1 may have spiral ridges on its outer surface or be of oval cross section varying along its length. In a concrete sleeper Fig 5 (not shown) the tube is cast in a mould (M) and after the concrete has reached adequate strength the compressing plate or bolt is released and the bar or tube 4 removed. Alternatively a pair of pot sleeper blocks 51 having optional helical reinforcement 55 are connected by the pretensioned tubular tie bar, to provide prestressed sleeper blocks connected by an unstressed tie bar.
Patent GB-1489937-A (GB)
Title: Method of making cutting tools
IPC: B23P15/30
Filed: 1974-12-30
Abstract: 1489937 Making cutting tools; cutting tools SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 30 Dec 1974 [30 Jan 1974] 56035/74 Headings B3A and B3B A method of making cutting tool bits of the indexable insert type comprises providing strip 1 having along at least one of its edges a portion 3 of a material suitable for performing cutting operations and which is of a different material to the rest of the strip, and dividing the strip into polygonal bodies constituting cutting tool blanks in such a way that at least two corners of each blank are located in the portion or portions 3. The strip 1 is made of low grade steel 2 and the portions 3 are of a carbide base material or tool steel. Cutting edges (4), Fig. 2 (not shown), are formed in the portions 3 either as the strip is divided or afterwards. The blanks may be rectangular, in which case four cutting edges can be formed on each. The cutting edge material may be welded to steel 2 or it may be spray-coated on to it.
Patent GB-1271463-A (GB)
Title: Microcapsular opacifiers and process for their manufacture
IPC: D21H19/42
Filed: 1969-11-17
Abstract: 1,271,463. Microcapsule-containing coatings. CHAMPION PAPER CO. Ltd. 17 March, 1969 [29 April, 1969], No. 56217/69. Heading B2E. [Also in Division B8] An opacifyer which may be coated on to paper comprises air-containing microcapsules having shells of polymeric material containing particles of an inorganic pigment, e.g. TiO 2 , ZnO, BaSO 4 , CaCO 3 , Al 2 O 3 . 3H 2 O or clay, the microcapsules having an average diameter of less than 2 microns, preferably 0.1 to 1 micron. Numerous encapsulating materials are mentioned, examples relating to products in which a urea-formaldehyde condensate are used. The microcapsules may be made with a volatile liquid core which is removed by heating either before or after the microcapsules have been coated onto the paper.