baber/WOPTO huggingface dataset:
Patent GB-934542-A (GB)
Title: Protective coating on refractory metals
IPC: F02B77/02
Filed: 1962-01-18
Abstract: A base metal of the group consisting of molybdenum, tantalum, tungsten, niobium, and alloys thereof including other metals such as 0.5% titanium or zirconium, is heated in a non-oxidizing atmosphere in contact with a powdered mixture containing an inert diluent, a silicon and boron source and a halogen source, to diffuse silicon and boron into the surface of the base metal to form a continuous protective coating rendering the metal resistant to oxidation in such parts as nozzles, blades, vanes and shells which are required to operate in air at 1800 DEG  to 3600 DEG  F.  The silicon and boron, which may be elemental and powdered to 60-325 mesh (Tyler) size or of other source such as ferro-silicon and ferro-boron, are preferably heated and alloyed together.  Both alloying and diffusion may occur at 1600 DEG  to 2200 DEG  F.  The inert diluent may be a refractory material of grain size 50-350 mesh (Tyler), e.g. clay, kaolin, zirconia, beryllia, alumina.  The halogen source may be fluorine, chlorine, bromine or iodine, or metal or ammonium halides, preferably ammonium bifluoride.  An example of a diffusion pack composition by weight is: Si 5-70%, B 1/8 -10%, halogen source 0.1-1%, inert diluent 25-75%.  A molybdenum alloy containing 0.5% Ti and 0.07% Zr is specified.
Patent GB-289153-A (GB)
Title: Improvements in or relating to the manufacture of white oil paints from lithopone and to the manufacture of lithopone
IPC: C09D191/00
Filed: 1927-01-21
Abstract: 289,153. Carpmael, W., (I. G. Farbenindustrie Akt.-Ges.). Jan. 21, 1927. Preventing thickening in paints.-White oilpaints made from lithopone are prevented from thickening by adjusting the content of the free fatty acid in the linseed oil to the zinc oxide content of the lithopone to minimize the action of the zinc oxide in promoting thickening. A free fatty acid, e.g. obtained from linseed oil wood oil wool fat &c. may be added to the linseed oil used or may be added to the lithopone itself. The fatty acids are preferably added as a colloid or in suspension or dispersion.
Patent GB-524004-A (GB)
Title: Improvements in or relating to plug and socket connections
IPC: H01R13/646
Filed: 1939-01-19
Abstract: 524,004. Two-part couplings. BROWNE, C. O. Jan. 19. 1939, No. 1908; [Class 38 (i)] A plug and socket coupling for concentric cables &c. has a metal sleeve 6 forming an outer contact that co-operates with a guiding sleeve 3 and with a split plug contact 5 so that the plug and socket contacts are aligned before engagement. Concentric with these contacts are a plug 12 and split socket 8a. The guiding sleeve 3 extends beyond the contacts 5, 8a. The outer conductor or screen 15 of the cable is connected to the sleeve 6 by a member 14 screwed on to the screen 15 and a clamping sleeve 10 screwing on to both the member 14 and the sleeve 6 and having a flange 11 cooperating with a .coned washer 16 to grip the end of the screen. The split plug contact 5 may be reinforced by a spring ring 7 engaging an annular recess inside the contact.
Patent GB-726065-A (GB)
Title: Improvements in or relating to rock drilling machines
Inventor: BASSNER MAX
IPC: E21B44/02
Filed: 1953-01-23
Abstract: 726,065. Drilling. SALZGITTER MASCHINEN AKT.-GES. Jan. 23, 1953, No. 1963/53 Class 83 (3). A rock-drilling machine has its feed pressure automatically maintained substantially equal to a predetermined value by an adjustable regulator u. The bit a is rotated through gears d, e by a motor c and advanced by a feed-screw h rotated through gears m, n by a compressedair motor l. A throttle valve o, controlling the speed of rotation of the feed motor, is connected by a thrust race p to one end of the screw and slows the motor should the screw be displaced axially upon the resistance to feed exceeding the predetermined feed pressure of the bit. The screw,- which is mounted in roller bearings q at its ends, is tensioned to the predetermined feeding pressure i by a spring &c. u compressed by a screw,v, the force in the spring being trans. mitted to the slidable housing s for the race r by a lever t and corresponding to the pressure i which may be indicated on a scale on the spring housing.
Patent GB-740965-A (GB)
Title: Apparatus and method for float and sink mineral separation
IPC: B03B5/44
Filed: 1952-01-24
Abstract: 740,965. Sink-and-float separation. DAVIS, N. L. Jan. 24, 1952 [Nov. 14, 1951], No. 1997/52. Class 82 (2). A sink-and-float separating process consists in circulating a magnetic medium continuously through the separating zone, discharging separately the separated solids, draining-off the medium, then rinsing off the remaining medium, recovering the medium from the rinse water magnetically, and is characterized by the immediate return of the drained-off and recovered medium to maintain a constant density in the separating zone. Separation takes place in a float-and-sink vessel 1, and the separated products are discharged on to a screen 3 having a dividing wall 4 between the fractions. The drained-off medium passes into a sump 7. The solids are sprayed on a screen 8 similarly divided and the first rich washings also enter sump 7. The rest are passed through a magnetic separator 13 to the sump. A pump 25 continuously delivers the medium entering the sump and it is returned immediately to the vessel 1. The slimes are removed at 21 and purified, wash water is recirculated to sprays 10. The sump is provided solely as a storage vessel if the plant is to be drained down and contains a minimum of medium when the process is in operation. The magnetic medium can, if desired, be demagnetized after recovery. Make-up water is supplied at 40. The plant disclosed is particularly suitable for coal cleaning. Specification 546,847 is referred to.
Patent GB-1431402-A (GB)
Title: Amphibious marsh craft
IPC: B60F3/00
Filed: 1974-01-16
Abstract: 1431402 Endless track amphibious craft H J RIVET 16 Jan 1974 [39 Aug 1973] 02024/74 Headings B7A and B7H An amphibious craft comprises a pair of spaced, parallel, transversely aligned buoyant pontoons 11, 12, an endless track surrounding each pontoon and comprising endless chains 20, 21 connected by transverse channel members 23 and longitudinal channels (25) (not shown) located on the top and bottom of each pontoon and in which slide blocks 24 attached to the webs of the members 23. The channels 25 are filled with a plastics material having a low coefficient of friction and the blocks 24 are also made of similar material to reduce friction and wear. The endless tracks are driven from respective hydraulic motors 27, chains 26 and sprockets which are keyed on to shafts 16, the shafts 16 carrying sprockets 17 engaging the chains 20, 21 and being journalled in bearings 18. The interior of each pontoon is divided into a plurality of water-tight buoyancy chambers by transverse interior bulkheads and a plurality of transverse I beams are located on the inner surface of each pontoon's bottom for strength purposes. The craft, as described, has a lifting frame 30 raised and lowered by hydraulic cylinders 31, and a winch 32 for a cable 33.
Patent GB-160330-A (GB)
Title: Improvements in apparatus for grinding electric commutators or distributors
IPC: H01R43/14
Filed: 1920-01-22
Abstract: 160,330. Bolton, F. Jan. 22, 1920. Wheels and other tools. - A device for grinding commutators or distributors comprises a flexible steel cylinder A, split as at B, and held by a handle H supported on arms G. Screw-nuts C, each provided with a foot C<1>, are clamped to the cylinder A, adjacent to the slot B, by screws E. A right and left handed screw-stud D engages with the nuts C and serves to expand the cylinder A to fit the inside contacts of a distributor which it is desired to grind. A strip of abrasive cloth F is secured to the cylinder A by having its ends clamped between the feet C' and the cylinder. An adhesive may also be used to stick the strip to the cylinder.
Patent GB-237809-A (GB)
Title: Improvements in lock nuts
IPC: F16B39/286
Filed: 1925-01-23
Abstract: 237,809. Dollman, H. Jan. 23, 1925. Locking nuts.-Relates to that type of lock-nut in which a number of inwardly distorted resilient jaws having an annular recess at the base thereof are provided to grip the bolt threads. According to the invention the jaws 4 project beyond the face 2 of the nut 1 to increase their resilience. The jaws are separated by longitudinal slots 5. In a modification the locking effect is increased by a spring ring which surrounds the tapered surfaces of the jaws, and is prevented from removal by flanges or burrs at the outer edges thereof. Specification 154,836 is referred to.
Patent GB-872691-A (GB)
Title: Root crop harvester
IPC: A01D27/02
Filed: 1960-01-21
Abstract: 872,691. Root crop harvesters. MASCHINENFABRIK SCHMOTZER G.m.b.H. Jan. 21, 1960 [Jan. 22, 1959], No. 2167/60. Class 6(3). A root crop harvester arranged to cut off the foliage from one row of a crop and lift a row of the crop situated outside the track of the towing tractor is provided with a landwheel 2 running behind the crop uprooting share 14, a foliage lopping knife 27 being offset laterally relative to the wheel 2 by a row width. The cut foliage is fed by a guide device 28 to a transverse conveyer 29 arranged behind a driver's seat 10. The crops cut by the share 14 are conveyed rearwards by a radial sieve 15 to an elevating conveyer 18 which conveys them obliquely upwards into a collecting bin 19.
Patent GB-685019-A (GB)
Title: Improvements in or relating to trimethylene polyamines as activators for emulsion polymerisation reactions
IPC: C08F36/04
Filed: 1951-01-29
Abstract: Polymers and copolymers of monomers containing a CH2=C< group are made by polymerizing, in batches or continuously, preferably at a temperature below 10 DEG  C. and a pH of 9 to 12.0, a monomer or mixture of monomers in aqueous emulsion in the presence of a catalyst composition comprising an oxidant and as reductant a trimethylene polyamine, and optionally freezing point depressants, emulsifying agents and mercaptans, e.g. a mixture of tertiary mercaptans. Specified monomers are 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, isoprene, piperylene, 3-furyl-1,3-butadiene, 3-methoxy-1,3-butadiene, chloroprene, bromoprene, methylchloroprene, styrene, p-chlorostyrene, p-methoxystyrene, alpha-methylstyrene, vinylnaphthalene, acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, methyl alpha - chloroacrylate, methyl methacrylate, ethyl methacrylate, butyl methacrylate, methyl ethacrylate, acrylonitrile, methacrylonitrile, methacrylamide, methyl isopropenyl ketone, methyl vinyl ketone, methyl vinyl ether, vinylethinyl alkyl carbinols, vinyl acetate, vinyl chloride, vinylidene chloride, vinyl furane, vinylcarbazole, vinyl acetylene and mixtures.  The polyamines used are preferably those represented by the formula <FORM:0685019/IV (a)/1> where R1 is hydrogen, methyl, ethyl, hydroxymethyl, hydroxyethyl or carboxyl, R11 is hydrogen or methyl and R111 is hydrogen, methyl -OR, -SR, -NR2, -CN, -SCN, -COOR or -CHO, where R is hydrogen, methyl, ethyl, n-propyl, isopropyl, or the -CHR111- groups can be replaced by >C=O, and n is an integer between 0 and 8 inclusive. Polyamines mentioned are 1,3-diaminopropane, 1,3 - diaminoacetone, 1,3 - diamino - 2 - propanol, N,N1 - dimethyl - 1,3 - diaminoacetone, N-ethoxy-1,3-diamino-2-propanol, 1,3-diamino-2 - carboxypropane, 1,3 - diamino - 2 - (dimethylamino) - propane, 2,4 - diaminopentane, 1,3 - diamino - 2 - cyanopropane, 1,3 - diamino - 2 - mercaptopropane, di - (trimethylene) triamine, tri-(trimethylene) tetramine, and tetra-(trimethylene) pentamine. The oxidant may be a trisubstituted hydroperoxymethane such as t-butylisopropylbenzene hydroperoxide, hydroperoxides of octahydrophenanthrene and derivatives, hydroperoxides of alkyl tetralins, aryl cyclohexyl hydroperoxides, t-butyl hydroperoxide or benzoyl peroxide.  Freezing point depressants mentioned are the ammonium, alkali metal, e.g. potassium, and alkaline earth metal salts of chlorides, nitrates and sulphates, methanol, ethylene glycol, glycerol and erythritol.  The polymerization may be effected in the presence of emulsifying agents such as potassium laurate or oleate, salts of rosin acids, mixtures of fatty acids and rosin acids, salts of alkyl aromatic sulphonic acids and salts of alkyl sulphates.  Specification 681,017 is referred to.
Patent GB-1314311-A (GB)
Title: Apparatus for impregnating electrically insulating materials with electrically conductive plastics dispersions
IPC: H01B3/00
Filed: 1971-01-15
Abstract: 1314311 Coating webs METALLWERK PLANSEE AG & CO and E SCHRACK ELEKTRIZITATS AG 15 Jan 1970 [16 Jan 1970] 2186/71 Heading B2L [Also in Division Dl] Apparatus for impregnating a web of electrically insulating material with an electrically conductive plastics dispersion comprises a trough 9 for applying the dispersion to the web, an oven 11 with a plurality of heat treating zones means for maintaining the temperature of the zones at a predetermined temperature and means for measuring the electrical resistance of the web as it emerges from the oven. A web 3 passes from a storage roll 3 through a cleaning bath 5 which may be provided with an ultrasonic vibrator. The web is dried by blowers 8 and passes through a coating bath 9. From the bath 9 the web passes through an oven 11 and the temperature of each zone is sensed by a resistance in the oven, compared to a preset potentiometer and the output of triacs (not shown) adjusts the heating current to the heating coils in the oven accordingly. When the web emerges from the oven its electrical resistance is read continuously on a meter 18. A further insulating coating may be applied over the web either as a continuous layer from rolls 19, 20 or by immersion in a suitable coating trough 24 or from a spray 26. The thus treated web is finally dried in an oven 25. In an alternative embodiment (not shown) a braking roller is provided for the web before it enters the coating bath which is provided with a circumferentially ribbed roller.
Patent GB-541831-A (GB)
Title: Improvements in the manufacture of collars and apparatus therefor
IPC: A41H33/00
Filed: 1941-02-18
Abstract: 541,831. Men's collars; presses. CLUETT, PEABODY & CO., Inc. Feb. 18, 1941, No. 2207. Convention date, April 18, 1940. [Class 141] Collars that are to be attached to shirts are made from parts larger than normal sewn together and then put under pressure while the collar is forcibly contracted lengthwise. For this purpose the collars may be placed while damp on the bed 24 of a press formed of rubber clamped to parts 21 which can be moved by fluid pressure to stretch the rubber, in which condition the collar is placed in position. The head of the press which is made of polished metal, is then lowered, and while the collar is under pressure the rubber is allowed to contract, thus reducing the length of the collar. In another form of apparatus the press comprises a concave head co-operating with a padded buck of slightly greater radius, the longitudinal compressive movement being effected by further pressure between the parts after they have been moved into contact. The packing may consist of layers of steel wool with fabric coverings.
Patent GB-392665-A (GB)
Title: Improvements in and relating to the emptying of milk churns and the like
IPC: A01J11/00
Filed: 1932-01-25
Abstract: 392,665. Vacuum apparatus. PALMER, H. W. S., Villa Amalia, Pinewood Road, Branksome Park, Bournemouth, Hampshire. Jan. 25, 1932, No. 2215. [Class 102 (ii).] Apparatus for emptying milk churns comprises storage tanks 2, 3 in an elevated position and connected to a source of vacuum by pipes 12 controlled by cocks 13. The tanks have outlets 15 and a suction pipe 6 with a branch 8 provided with flexible or telescopic pipes 11 for insertion into the churns. Each pipe 11 is provided with a cock 10 and cocks 7, 5 are provided in the pipe 6 and in the pipe 4 connecting the tanks 2, 3. Flexible joints may be provided in the pipe system to permit swinging the pipes 11 in all directions. The pipes 11 may be provided with plates for covering the mouths of the churns and may be provided with floatcontrolled or other valves for preventing the entry of air.
Patent GB-166600-A (GB)
Title: Improvements in automobile vehicles
IPC: B60K5/00
Filed: 1920-01-23
Abstract: 166,600. Carden, J. V. Jan. 23, 1920. Motor-cars and the like. - Relates to the construction and structural arrangement of the engines and variable gear of motor vehicles with respect to the car body. The engines A1, A2, gear box C, and driving-axle P, are combined as a unitary structure to swing about a transverse horizontal shaft Y carried by the vehicle frame. In one construction the unitary structure is secured by clamping the gear-box casing to the shaft, whose ends are journaled in trunnions Z bolted to the body sides, and the swinging movement is damped by springs C2 secured to the car body and to the gear-box casing. In another construction the gear box casing is pivotally connected with the shaft at a central point to permit a swinging movement about a central fore and aft axis, this movement being damped by springs also. The pistons D are connected by their connecting-rods E to the cranks F of a common crankshaft G. A fly-wheel keyed to the crank-shaft transmits the power through a plate clutch J to a pinion L meshing with a large reduction spur-wheel M coupled to a sleeve M loose on the driving-axle. Top gear is obtained by engaging dogs on this sleeve with those on a sleeve T which is splined on the shaft. Low gear is obtained by engaging the spur-wheel M with a gear-wheel Q on the driving- axle indirectly through gears S, R on a lay shaft V. Reversal is effected by introducing the pinion W between the gear-wheel Q and pinion R.
Patent GB-268907-A (GB)
Title: Improvements in or relating to the cooling of sterilised milk or other liquid in bottles
IPC: A23L3/04
Filed: 1926-01-26
Abstract: 268,907. Botterill, T. D. Jan. 26, 1926. Tensioning chains.-In a conveyer formed of endless chains 4, or their equivalents, with crossbars which push crates containing heated liquid in bottles through cooling tanks, the chains are driven by rollers 11 and pass over locse guide rollers 12, each pair of bottom rollers 12 being mounted on a common shaft 13 supported in bearings 14 adjustable by a screw device 15 along the channels 6 which support the tanks, so as to allow the tension of the chains to be varied.
Patent GB-1494315-A (GB)
Title: Cavity fixing
IPC: F16B37/04
Filed: 1975-01-17
Abstract: 1494315 Cavity fixing device D RHODES 17 Jan 1975 [17 Jan 1974] 2291/74 Heading F2H A cavity fixing device, see Figs. 1, 6, comprises a flexible U-shaped member 1 having a portion 4 provided with a hole 6 to receive a screw-threaded fastener and a portion 2 provided with retention means, e.g. arms 7, and a hole 5 through which the shank of the fastener is passed. In use, portion 4 is first passed through hole 11 in panel 12, and the member is tilted and lifted until arms 7 lie flat on the panel with holes 5, 6, and 11 in alignment. Then screw 13 is passed through item 14 to be connected to the panel, hole 5, and screwed into hole 6 to bring end 8 against the panel. Hole 6 may be threaded, or it can be a plain bore for use with a self-tapping screw. Hole 6 may also be formed in a captive nut fastened in portion 4. The member may be made from metal or plastics. In a modification (Fig. 2, not shown), the free end of portion 2 is provided with splayed ends, which act as retaining means, instead of arms 7, and hole 6 is bounded by lugs which co-operate with the thread of the fastener. In another modification (Fig. 3, not shown), the free end of portion 2 is semicircular in shape. In yet another modification, see Fig. 7, the member is made from bent wire 15, a nut 16 being soldered between the ends of the wire.
Patent GB-345402-A (GB)
Title: Improvements in and relating to means for suppressing the earthing current in electric distribution systems
IPC: H02H9/08
Filed: 1930-01-23
Abstract: 345,402. Protective arrangements. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A. -(Assignees of Allgemeine Elektricitõts- Ges.; 2, Friedrich Karl Ufer, Berlin.) Jan. 23, 1930, No. 2365. Convention date, Jan. 25, 1929. [Class 38 (iv).] In an earthing reactor having phase windings U, V, W divided into two portions, each on a core limb carrying one portion of another phase winding, the division is unequal. The difference between the ampere turns of the two coils a, b on any limb produces the flux required to give the current for balancing the capacity current through a cable fault. The number of turns on one or both portions may be varied by means of tappings. Where auxiliary cores d, Fig. 4, are used the flux therein is interlinked with only one part of the winding on each limb.
Patent GB-1321371-A (GB)
Title: Article transport system
IPC: H01L21/677
Filed: 1971-01-18
Abstract: 1321371 Pneumatic conveyers INTERNATIONAL BUSINESS MACHINES CORP 18 Jan 1971 [26 Jan 1970] 2389/71 Heading B8A Articles 22 conveyed under the effects of gavity over an air cushion created by pressurized air emanating from a porous surface 16 are temporarily stopped or momentarily slowed down by an automatic retarding device. The device comprises a duct 26 with an open end 28 substantially flush with the surface 16 and coupled to a vacuum source through a control valve 30. The duct is also coupled to a pressure differential sensing device 36 arranged such that when an article reaches the duct 26 and is held thereover by the vacuum, the vacuum will increase within the duct and is subsequently sensed by the device 36 which closes a switch 50 to actuate a solenoid 52 which is coupled to rotate the valve disc 64 of the control valve and vent the duct 26 to atmosphere and effect the release of the article. A time delay relay deenergizes the solenoid 52 to return the apparatus to the condition shown, after a suitable interval to allow the article to clear the duct. In a further embodiment, Fig. 2 (not shown) a portion of the porous surface is formed by a rotatable member (74) arranged upstream of the duct (16) and coupled through a valve (88) to a pressurized air course and a vacuum source. The valve (88) is controlled by the switch 50 through a timer (106) and a solenoid (98) such that when the switch (50) is actuated to effect the release of the article from the hold device (26) the valve 100 is rotated to disconnect the air source and couple the vacuum source to the pedestal whereby the article is held by the pedestal as it is rotated by a motor (M) for the inspection of said article. In a still further embodiment, Fig. 3 (not shown), a number of hold tubes (26), (26<SP>1</SP>), (26<SP>11</SP>), (26<SP>111</SP>) are provided, but only the first tube (26) is coupled to the pressure differential sensing device (36) such that articles are only released from the hold tubes (26<SP>1</SP>), (26<SP>11</SP>), (26<SP>111</SP>) when an article is released from the hold tube (26) thereby controlling the spacing of the sequentially advancing articles.