baber/WOPTO huggingface dataset:
Patent GB-1460420-A (GB)
Title: Process for phosphating metal surfaces
IPC: C23C22/16
Filed: 1975-11-19
Abstract: 1460420 Phosphating metal surfaces PYRENE CHEMICAL SERVICES Ltd 19 Nov  1975 [21 Nov 1974] 47584/75 Heading C7U A metal surface is (1) coated by contact with a phosphating solution containing 0.1-50 g/l in total of metal ions, phosphate ions, and 5-150 ml/l H 2 O 2  or 10-300 mg/l metal peroxide, the molar ratio total metal ion: phosphate ion being 0À9:1 to 2:1(2) rinsed with water, then (3) the rinsing water is separated into substantially pure water and a concentrate; the concentrate is added to the phosphating solution and the substantially pure water is recycled to the rinsing step. The metal may be Fe, steel, Zn or Al; the metal ions may be of Zn, Ca, Ni, Mn or Na; the metal peroxide may be Ni peroxide or MnO 2 , and the solution may contain H 2 SiF 6  or HBF 4  to give 0.1 - 10 g/l of F. Application is by spraying, immersion, or rollercoating; the separation of the rinsing water is by evaporation or reverse osmosis, and the process is applicable to a line process wherein the rinse water passes in counterflow to the workpieces.
Patent GB-1118182-A (GB)
Title: Improvements in or relating to thermoelectric devices
Inventor: WARE ROWLAND MARK
IPC: H01L35/22
Filed: 1963-12-03
Abstract: Synthetic magnesium silicate (forsterite) is made by heating magnesium oxide and silica to 1200 DEG  C. together with up to 5 wt. per cent boric oxide.  The silicate is used as an insulating layer in a thermoelectric device (see Division H1) and the boric acid is added to make the sintering temperature of the silicate compatible with that of the thermoelectric element.
Patent GB-1198584-A (GB)
Title: Improvements in Motor-Compressors.
IPC: F04B39/12
Filed: 1968-10-09
Abstract: 1,198,584. Valves. TECUMSEH PRODUCTS CO. 9 Oct., 1968 [18 Oct., 1967], No. 47806/68. Heading F2V. [Also in Division F1] The automatic discharge valve 132 of a compressor (see Division F1) is mounted inside a hollow piston 108 over which a cup-shaped cylinder is reciprocated. The valve controls a port 130 and comprises a flexible reed portion 134 connected by a stem portion 142 to a flat portion 144. The flat portion 144 has bent-up arms 146, 148 provided with crimped portions 150 received in a groove 152 cut in the inner wall 154 of the piston ]08.
Patent GB-1180174-A (GB)
Title: Improvements in Continuous Casting Moulds
IPC: B22D11/057
Filed: 1968-10-09
Abstract: 1,180,174. Continuous casting. CONCAST A.G. 9 Oct., 1968 [14 Oct., 1967], No. 47956/68. Heading B3F. [Also in Division B6] A continuous casting mould having walls of desired thickness (possibly varied for non- uniform cooling) and/or a cavity of conical taper is made by a method of etching (see Division B6) which comprises selectively exposing the walls to an etching liquid for a sufficient time to reduce the thickness to the desired amount or to produce the desired taper. For a copper mould, the etchant may be nitric or sulphuric acid. The mould may be made from four copper plates. In an example, the cross-section of the cavity is 100À65 mm. x 100À70 mm. at the top and 100À55 mm. x 100À65 mm. at the bottom before treatment, enlarged by etching to 101À25 mm. x 101À25 mm. at the top and 100À65 mm. x 100À70 mm. at the bottom. After etching, the cavity walls may be provided with a chromium surface.
Patent GB-1087038-A (GB)
Title: Improvements relating to the reprocessing of used safety or combustion resistant photographic films
Inventor: BRATRING KURT
IPC: G03C11/24
Filed: 1964-11-26
Abstract: 1,087,038. Shredding apparatus. K. BRATRING. Nov. 26, 1964, No. 48127/64. Heading B2A. [Also in Division G2] A comminution pump comprises a worm or screw 9 rotating inside a cylindrical casing 2. The periphery of the screw has teeth 11 which move in grooves 13 formed in four longitudinal bars 12 (see also Fig. 2, not shown) fitted inside the casing, the clearance being relatively small. An electric motor drives the screw at a speed exceeding 1500 r.p.m. The material to be shredded is drawn in through an inlet 3, in which is disposed a "beater" blade 10, and after treatment is expelled through a strainer plate 7 and pipe 15. -The device is used for shredding used film stock in a reclamation process (see Division G2), the film being shredded in the presence of water.
Patent GB-1200385-A (GB)
Title: A "fisheye" objective lens
Inventor: KAZAMAKI TOMOKAZU
IPC: G02B13/06
Filed: 1967-10-24
Abstract: 1,200,385. Fish-eye lenses. ASAHI KOGAKU KOGYO K.K. Oct.24, 1967, No.48249/67. Heading G2J. An objective of focal length F has ten lenses wherein lenses 1, 2, 3, 5, 8 are negative, lenses 4, 6, 7, 9,10, are positive, lenses 1, 2, have a combined focal length F 1,2,  lenses 1, 2, 5 are meniscus, 3 and 4 are cemented, 7, 8, 9 are cemented, and lenses 5, 6 are cemented together at the surface of greatest curvative and the following conditions apply: - (1) |r 7 | > F and r 7  <0 (2) -F/0.5#F 12 #-F/1.5 (3) 4F > r 13  > F (4) n 8  - n 9  > 0À1 (5) ns > n 6  and n 8  > n 7  (6) # 4  < # 3  Optical data are given for the example shown with a filter F and a similar objective without the filter.
Patent GB-1434519-A (GB)
Title: Cushion
IPC: A47G9/10
Filed: 1974-11-07
Abstract: 1434519 Cushions CENTERFILL GmbH BETT-UND WOHNTEXTILIEN 7 Nov 1974 [10 Nov 1973] 48285/74 Heading A4M A cushion comprises a single layer of fleece 1 folded in zig-zag manner to form a multi-layer and connected through two seams 2, 3 spaced from the folds of the zig-zag to a ticking 4 and a piece of lattice tulle 5. The cushion may comprise two such multi-layers of fleece disposed one on top of the other with the layers of lattice tulle in contact and the seams of the two multi-layers at right angles.
Patent GB-1062439-A (GB)
Title: Oxidation of organoaluminium compounds
IPC: C07C29/54
Filed: 1964-12-03
Abstract: Alkyl aluminium compounds of formula AlR3 or AlHR2 in which R is a C2-C30 alky radical are oxidized to compounds of formula Al(OR)3 in two stages, in the first of which the oxidation is carried out by means of oxygen or an oxygen-containing gas until there are formed, at least partially, difficultly oxidizable compounds of the formula AlR(OR)2, and in the second of which at least one alkyl aluminium compound having an average degree of oxidation lower than that of the said difficulty oxidizable compounds is introduced into the reaction mixture in the presence of excess oxygen and with energetic stirring. Preferably the added compound has the same alkyl radicals as the compound being oxidized.  A solvent, e.g. a C4-C16 aliphatic hydrocarbon or a cyclic hydrocarbon such as cyclohexane, benzene or toluene may be used.  The process may be used for the production of compounds in which the R groups in the products Al(OR)3 are the same or different.  The aluminium alcoholates may be hydrolysed by standard methods to the corresponding alcohols.
Patent GB-1281599-A (GB)
Title: Feedback controlled photosensitive object detecting system
IPC: H03F3/08
Filed: 1969-10-09
Abstract: 1281599 Detecting objects photo-electrically CORNING GLASS WORKS 9 Oct 1969 [9 Oct 1969] 49564/69 Heading G1A An object detection system comprises a light source 14<SP>1</SP> and a photo-resistive detector 12<SP>1</SP> on opposite sides of a detection zone, a resistor 11<SP>1</SP> in series with the detector, a utilization device 19<SP>1</SP> (such as a counter) responsive (e. g, via an A.C. amplifier 18<SP>1</SP>) to rapid changes in the detector output and a feedback patch (e.g. via a D.C. amplifier 20) responsive to slow variations in the detector output to control the intensity of the light source so as to maintain the average detector output at a constant level. The system described is used for the detection of lime glass blocks which only alternate the light by about 8%. The feedback responds to changes in ambient conditions (ambient light, temperature and humidity) maintaining the operation of the detector at the same point on its characteristic. A suitable balanced D.C. transistor differential amplifier with Zener diode voltage stabilization is detailed, Fig.4 (not shown).
Patent GB-1359156-A (GB)
Title: Aqueous colloidal dispersion
IPC: E21B43/32
Filed: 1971-05-14
Abstract: 1359156 Colloidal metal oxide dispersion DOW CHEMICAL CO 14 May 1971 [8 June 1970] 49798/73 Divided out of 1359155 Heading C1A A colloidal dispersion of an inorganic compound comprises from 0À5 to 80 parts by weight of a colloidal hydrous metal oxide per million parts by weight of finished composition, the hydrous metal oxide having been formed in an aqueous solution of a water-soluble organic polymeric polyelectrolyte, and from 0À005 to 0À2% by weight of said polymeric polyelectrolyte which polymer has a viscosity of at least 4 centipoises for a 0À5% solution in distilled water at 25‹ C. Inorganic compounds specified include the hydroxides of aluminium, chromium, iron, cadmium, cobalt, nickel, copper, tin and zinc, prepared in situ. The water-soluble polymeric polyelectrolyte is a high molecular weight flocculating agent having sufficient polar groups along the polymer chain to render the polymer water-soluble. Many compounds are specified, the preferred ones being high-molecular weight polyacrylamides and hydrolysed polyacrylamides having 15- 30% of the carboxamide groups hydrolysed to sodium carboxylate groups. The colloid may be prepared by double decomposition between an aqueous solution of the polymeric polyelectrolyte in which a hydroxide compound is dissolved and an aqueous solution of metal precipitable by the hydroxide ion, the metal salt solution being added gradually with vigorous stirring. Alternatively the colloidal solution may be obtained by oxidation, reduction or pH alteration of a metal salt solution in the solution of the polymeric electrolyte. The composition may also contain 0À001 to 30% by weight of a finely divided inorganic solid insoluble in water such as silica, magnesium oxide, magnesium and calcium silicates, carbonates and hydroxides.
Patent GB-1523490-A (GB)
Title: Transporting sliver cans between spinning and sliver producing apparatus
IPC: B65G47/82
Filed: 1975-12-08
Abstract: 1523490 Filling and transporting sliver cans MASCHINENFABRIK RIETER AG 8 Dec 1975 [24 Dec 1974] 50178/75 Heading D1F Cans 2 are filled with sliver at 9 and delivered to a spinning machine (1, Fig. 1 not shown) by one of a number of trains (3, 4. 5) of linked trolleys 15 running in a closed merry-go-round loop between sliver producer 9 and spinner 1, wherein empty cans are moved from a trolley at position B to a can take-up station 11, transported by a can transport device 10 travelling in a closed horizontal path to sliver producer 9, filled with sliver, transported to can output station 12 and loaded onto a trolley. As shown trolleys 15 with space for six cans 2 are connected by poles 8. Once the train has been drawn by tractor (4) to the sliverproducing draw-frame 9 the tractor is manually decoupled and the first trolley is engaged manually with a ratchet 16 of hexagonal rotating device 13. This is rotated to bring the first trolley opposite can take-up station 11. The cans are pushed by piston 20 onto the driven rollers 22 of take up station 11 which transport them to the can transport device 10. This comprises gripper arms 23 mounted on chain 26 which runs around sprockets 24, 25. The cans rest on horse-shoe shaped guide surface 30. The filled cans are pushed onto output station 12 by piston 31. When three cans have been gathered they activate limit switch 32 to cause pneumatic piston 33 to push them onto a trolley.
Patent GB-1056959-A (GB)
Title: Automatic firearm
IPC: F41A3/66
Filed: 1965-11-26
Abstract: 1,056,959. Automatic firearms. RHEINMETALL G.m.b.H. Nov. 26, 1965 [Dec. 19 1964], No. 50364/65. Heading F3C. An automatic firearm comprises a housing divided in a vertical longitudinal central plane into two halves 1, 1<SP>1</SP> (not shown), the forward ends of the halves of the housing serving to receive the barrel 3 of the firearm such that it is exchangeable, the halves being held together by clamping means. The clamping means may consist of a sleeve 4 heat shrunk over the halves. The halves are further held together, adjacent the breech block by tension rods 9 also shrunk into place. The sleeve 4 is provided with ducts 6 and bores 7 for the breechblock of the firearm to be gas-operated. At the rear end of the housing is located a locking member 11 which engages the ends of the halves and also serves to house a buffer device. The sleeve 4 and locking member 11 also support a closing spring housing 8. The halves 1, 1<SP>1</SP> are semicylindrical and are produced by drop-forging.
Patent GB-1418118-A (GB)
Title: Cloth winding board
IPC: B65H75/06
Filed: 1973-10-30
Abstract: 1418118 Cloth winding boards A PISCATELLI 30 Oct 1973 50427/73 Heading B8M A cloth winding board 10 comprises a sheet of expanded polystyrene foam having substantially flat planar top and bottom surfaces of substantially rectangular plan view, the edge of the sheet on its longer dimension connecting the top and bottom surfaces having a curved cross-section, preferably semi-circular, and the density of the foam being in the range 1À2-2 pounds per cubic foot. The board is made by a moulding process. The board is preferably provided with a shear strength of 15-33 pounds per square inch, a compressive strength of 10-38 pounds per square inch, a flexural strength of 35-85 pounds per square inch, and a tensile strength of 35-70 pounds per square inch. The end surfaces 12, 16 may be recessed to accommodate a label.
Patent GB-1270490-A (GB)
Title: Self-cleaning grizzly
IPC: B07B1/28
Filed: 1970-10-23
Abstract: 1,270,490. Screening apparatus. HARSCO CORP. 23 Oct., 1970 [17 Nov., 1969], No. 50442/70. Heading B2H. An apparatus for removing oversize pieces from a mass of particulate material comprises a grid assembly 13, 21, Figs. 1 and 2 on to which the material is dumped, a frame 10 supporting the grid assembly and a discharge hopper 28 and a conveyor 29 extending beneath the grid, the grid assembly being pivotably connected at one end to the frame 10 for rotation about a horizontal axis and force applying means, e.g. one or more telescoping hydraulic cylinders 19, being provided between the frame 10 and the grid assembly 13, 21 for tilting the latter, Fig. 7, whereby the portion of material retained by the grid is caused to be removed to a location away from the conveyor 29. The grid 21 which consists of two right-angled sets of spaced parallel rods 24 and 25 mounted in a frame 13 is supported on short lengths of angle 26 and are retained in position by keepers 27. The grid 21 may be normally supported in a slightly inclined position.
Patent GB-998298-A (GB)
Title: Improvements in or relating to hydrazones and the manufacture thereof
IPC: C07D295/30
Filed: 1963-12-23
Abstract: The invention comprises compounds of the formula <FORM:0998298/C2/1> where X is chlorine or bromine, n is 1 or 2 and R and R1 taken separately represent a hydrogen atom or a lower-alkyl group containing 1-8 carbon atoms or together with the nitrogen to which they are attached represent an unsubstituted or mono- or poly-alkyl-substituted piperidino, morpholino, thia-morpholino, piperazino, pyrrolidino, hexamethyleneimino, heptamethyleneimino, octamethyleneimino or homomorpholino ring, wherein each alkyl group contains up to 4 carbon atoms, and the acid addition salts thereof. The compounds are prepared by condensing an aldehyde of the formula <FORM:0998298/C2/2> with a hydrazine of the formula H2N-NRR1. Numerous hydrazine reactants are specified. Suitable acid addition salts are those of the usual inorganic and organic acids, including thiocyanic, fluosilicic and cyclohexane-sulphamic acids. Examples describe the preparation of the hydrazone and dimethylhydrazone of 1-chloro-3,4-dihydro-2-naphthaldehyde and 1-[(1-chloro -3,4 - dihydro - 2 - naphthyl) methyleneamino] hexamethyleneimine.  The amines of the formula H2N-NRR1 wherein R and R1 represent the residue of a heterocyclic ring, are prepared by nitrosating the heterocycle with nitrous acid and reducing the resulting N-nitroso compound with lithium aluminium hydride.  Specification 391,141 is referred to.
Patent GB-1492575-A (GB)
Title: Devices for the non-destructive examination of heterogeneous surfaces
IPC: G01N21/88
Filed: 1974-11-25
Abstract: 1492575 Non-destructive analysis of materials INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE 25 Nov 1974 [3 Dec 1973] 50927/74 Heading G1A [Also in Division G2]  Non-destructive analysis of a material is effected by irradiating it with monochromatic light and monitoring the Raman scattered radiation produced thereby to produce images optically or electronically showing the distribution of various components over the surface of the material. In the embodiment of Fig. 1, a laser beam is deflected by device 5 to perform an X-axis scan over the sample, being focused by lens 6. The Raman scattered radiation representative at a particular component is isolated by a mono-chromator 9 and detected by photo-multiplier 11. Alternatively a turnable or selectable filter system may be used at 9. The amplified detector output is recorded at 17 and indicated at 15 and also used to control Y-axis movement of the sample via mechanism 3. The required image is produced on a display device 15. In a modification a linear crosssection beam scans the specimen. In the embodiment of Fig. 2, a concentric arrangement of lenses is used to provide illumination and direction of scattered radiation along the same axis. A magnified image is projected via mono-chromator 38 on to a T.V. camera 41, coupled to display 42 on to a photographic or cinematographic camera.
Patent GB-1161103-A (GB)
Title: A Bulk Cargo Carrier.
Inventor: OKA TANEHIKO
IPC: B65G53/30
Filed: 1966-11-15
Abstract: 1,161,103. Carrying bulk cargo. MITSUBISHI JUKOGYO K.K. 15 Nov., 1966, No. 51244/66. Headings B7A and B7M. [Also in Division B8] A bulk cargo carrying ship 1 for the transporatation of dry cargo, such as grain or dust ores, coal and salt, is provided with cargo holes 7; a cargo piping system 19, 24, 30, 33, 20 through which a conveying liquid medium supplied from shore tank 6 is circulated during unloading; a cargo feeding pipe 16 and eductor 32 for discharging the cargo received in the holds 7 to the cargo piping system aided by sprinkling pipe 36 and nozzles 38 for scattering the conveying liquid medium in the holds; a liquid medium storage tank 25; means comprising jet pipe 45, jet nozzle 47, Fig. 3 (not shown) for gathering the cargo at the bottom of the holds by injection of the conveying liquid medium, and means comprising receiving groove 13 and receiving sink 15 for discharging the gathered cargo, along with the conveying liquid medium carrying over the cargo, to the cargo piping system. The assemblies outlines may be used to ballast the bulk carrier but an additional ballast piping system comprises seachest 53, ballast pump 57, ballast delivery pipe 55, Fig. 5 (not shown), and the liquid medium feed pipe 24.
Patent GB-1335110-A (GB)
Title: Centrifuge rotor
IPC: B04B5/04
Filed: 1971-11-09
Abstract: 1335110 Bucket-type centrifuge DAMON CORP 9 Nov 1971 [7 Jan 1971] 51863/71 Heading B2P A centrifuge rotor 16 has a number of evenly circumferentially-spaced chambers each comprising (a) a socket 18 extending from the top surface of the rotor and having an internal cylindrical surface terminating in a spherical section 25, (b) a slot 19 in communication with the socket 18 and extending from the peripheral surface 20 and the bottom surface of the rotor, the inside profile of the slot corresponding generally to the rotation of a cylindrical section through an arc of 90‹ about an axis at right angles to the axis A of the cylindrical section and intersecting the axis of the socket 18 at right angles thereto, the point B of intersection being below the centre of the socket spherical section 25, and (c) a spherical seat 26 leading from the socket 18 to the slot 19 and having its centre along the horizontal cylindrical axis of the slot so that the angle between the axis of the rotor and a line between the centres of the spherical section 25 of the socket 18 and the seat 26 is between 55 and 90‹. Buckets 10 are placed in the rotor by inserting each bucket, tubular portion 11 down, through the correspondng socket 18 and slot 19 so that a spherical flange 15 on the bucket is seated in the spherical section 25 of the socket or in the spherical seat 26. when the rotor is spun the flange 15 of each bucket slides along the seat 26 allowing the bucket to pivot to the horizontal position being supported by portions of the seat 26. Each bucket is provided with a threaded cap 14 and its tubular portion may be externally tapered.
Patent GB-1331490-A (GB)
Title: Trailer brake valve assembly
IPC: B60T15/28
Filed: 1970-11-03
Abstract: 1331490 Brake valves for trailers ROBERT BOSCH GmbH 3 Nov 1970 [19 Nov 1969] 52198/70 Heading F2F A pneumatic trailer brake valve assembly 1 has a diaphragm piston 4 when the traction vehicle is braked by pressure increase in a supply pipe-line 3 to move a valve tappet 5 which then moves a closure member 8 of a selflapping valve 6-8 off its seat 7: compressed air then passes from a trailer supply line 11 into a trailer brake line 10 and the trailer brakes are actuated. As shown in Fig. 1, in the unactuated condition of the valve 1 the line 10 is connected to atmosphere through a connection 12. The trailer supply line 11 is supplied with compressed air through a conduit 14 and a relief valve 15. The valve tappet 5 is snapped into a reaction diaphragm 9 which has a backing plate 9a slidable on tappet 5 and movable independently by pressure in line 10 when valve 7, 8 is open. As shown in Fig. 2, the easing 22 of the trailer brake valve 21 is directly connected to the casing 23 of a single relief valve 24 which comprises a valve closure member 28 biased on to a seat 27 and with a chamber 30 connected to atmosphere. The trailer supply line 11 is fed through a supply line 25 discharging into a chamber 26. In the embodiment of Fig. 3 (not shown) the single relief valve is replaced by a double relief valve (34) having two valve closure members (28, 28<SP>1</SP>). As seen in Fig. 4, the trailer brake valve 41 includes an actuating device 42 with a diaphragm piston 43 connected to the casing 22 below the connection 12 and a piston-rod 44 connected to the piston 43 is actuable to move the tappet 5 to actuate the trailer brakes if the pressure in a line 47 connected to the control devices of the traction vehicle brakes (e.g. spring applied) drops. In the embodiment of Fig. 5 (not shown) the arrangement of Fig. 4, is modified so that the casing 22 includes an auxiliary casing (53) within which is situated a double diaphragm piston (52): the diaphragms are responsive to pressure in two lines (54, 55) respectively which lines extend from a traction vehicle dual circuit brake system and the brake valve is operable by pressure increase in either or both these lines, it being immaterial whether one brake circuit has failed. As shown in Fig. 6 the trailer brake valve 41 of Fig. 4 is associated with a parking and auxiliary brake relay valve 56 including a double piston member 56. If the brake circuit connected the line 3 fails the brake circuit 57 vents the line 47 and thereby supplies air to the line 11.