baber/WOPTO huggingface dataset:
Patent GB-934780-A (GB)
Title: Device for the measurement and adjustment of angles
IPC: B23D13/00
Filed: 1960-02-22
Abstract: 934,780. Measuring angles. K. MILLER. Feb. 22, 1960 [Feb. 2, 1959], No. 6092/60. Class 97 (2). [Also in Group XXII] For measuring the angular position of a vertically swingable machine tool head, an optical angle-measuring instrument 5, Fig. 1, is provided which is in releasable connection with an assembly element 4 which is permanently fixed to the machine tool head, the members 4, 5 being forced into contact along plane surfaces 6, 11, Fig. 2, perpendicular to the swivel plane of the machine tool head. As shown, the element 4 is a plane parallel plate mounted on the side face 3 of the support 1 of a planing machine. The plane surface 6 has borings 7, 7<SP>1</SP>, Fig. 3, for the fixing screws, a longitudinal groove 8, partially overlapped at each end 9 to receive guides 13 on an intermediate plate 10 providing the surface 11 and associated with the instrument 5, and a recess 15 which coacts with a stop lug 14 on plate 10. The intermediate plate 10 has a truncated conical extension by which it is connected to the instrument 5. For releasably clamping together plates 4 and 10, clamping screws 12 are provided. Alternatively, the plate 4 may form a permanent magnet for attracting the ferromagnetic plate 10. The reversible level 17 of instrument 5 is mounted at the centre of a scale 18 viewed through the optical system 19. To check that the 90 degrees position of instrument 5 corresponds to the perpendicular position of the direction of movement 2 of the support 1, or of the spindle axis in vertical milling machines, with reference to the table surface of the machine tool, the instrument 5 is placed, by means of an assembly plate, on the table 24. If there is a deviation, either the machine tool table is swung to correct it or a plane parallel adjusting plate in the path of the rays of the reading microscope is turned to apply a correction. If the plane parallel plate 4 cannot be mounted on the side face of the swingable head, it may be replaced by an angle member fixed to the front side of the head.
Patent GB-1242070-A (GB)
Title: Cable termination for use in grounded surface distribution apparatus
IPC: H02B13/035
Filed: 1968-07-02
Abstract: 1,242,070. Electric couplings; fusible cutouts; protective arrangements. JOSLYN MFG. & SUPPLY CO. 2 July. 1968 [15 Aug., 1967], No. 6165/71. Divided out of 1,242,068. Headngs H2E, H2G and H2H. The subject-matter of this Specification is substantially the same as that described in Specification 1,242.068 but the claims are concerned with a sealed two-part connector for high potential grounded sheathed cables for underground distribution systems.
Patent GB-928212-A (GB)
Title: Improvements in or relating to long hair clippers
IPC: B26B19/06
Filed: 1961-02-20
Abstract: 928,212. Dry shavers. BRAUN A.G. Feb. 20, 1961 [Feb. 20, 1960]. No. 6193/61. Class 131. In a long hair clipping appliance, or attachment for a dry comprising a reciprocated comb 3 having teeth 7 and resiliently pressed against a stationary comb 2 having teeth 8, teeth 7 are bent out of the plane of the comb 3 and the gaps between the teeth 7 are extended beyond the bend so that the teeth 7 bear on an untoothed part a of the comb 2, severed hairs 9, 9<SP>1</SP> falling away without jamming between the combs. As shown, the combs are secured to a shaver housing 1 by threaded bolts 4, the comb 3 having a connection 5 for an oscillated armature, an edge 11 angled off to the amount of the bend in the teeth 7 and elongated slots 6 by which it is guided on the threaded bolts. In a modification, the gaps between the teeth of the comb 2 are extended and bear on an untoothed part of the comb 3.
Patent GB-608708-A (GB)
Title: Improvements in the manufacture of aerating powders and calcium pyrophosphate compounds
IPC: A21D2/02
Filed: 1946-02-28
Abstract: Acid calcium phosphate Ca(H2PO4)2 is "converted" to acid calcium pyrophosphate CaH2P2O7 by heating 75-90 parts by weight of it with 10-25 parts of acid sodium pyrophosphate Na2H2P2O7 at 190-220 DEG  C. for 1 to 4 hours.  Residual calcium phosphate and sodium pyrophosphate may be dissolved out with water.  For use in aerating powders conversion is preferably restricted to 25 per cent by weight of acid calcium pyrophosphate.  Bicarbonates, diluents, e.g. starch, wheat, flour, &c., and acid ingredients, e.g. acid sodium pyrophosphate, may be added to form aerating compositions.ALSO:Acid calcium pyrophosphate CaH2P2O7 made by heating 75-90 parts of acid calcium phosphate Ca(H2PO4)2 with 10-25 parts of acid sodium pyrophosphate Na2 H2P2O7 at 190-220 DEG C for 1 to 4 hours is used in aerating compositions.  Conversion is preferably restricted to 25 per cent by weight of acid calcium pyrophosphate.  Diluents e.g. starch, wheat, flour, &c., acid ingredients e.g. acid sodium pyrophosphate, and bicarbonates may be added.  Residual calcium phosphate and sodium pyrophosphate may be dissolved out with water from the reaction product.
Patent GB-667888-A (GB)
Title: Improvements in or relating to thermosetting resins
IPC: C08G12/36
Filed: 1950-03-13
Abstract: Water-soluble thermosetting resins are made by reacting, under influence of heat and at a pH of 1.5 to 10, urea, formaldehyde, or polymers thereof, e.g. paraformaldehyde, and oxazolidine in the ratio of 2 to 3 mols. of formaldehyde and 0.02 to 0.5 mol. of oxazolidine per mol. of urea.  The urea and formaldehyde may be partially condensed and then reacted with oxazolidine or oxazolidene and urea or formaldehyde may be mixed and then reacted with the third reactant.  The reaction may be effected at a temperature of 40 DEG to 105 DEG  C. or to the boiling-point of the mixture and until a 50 per cent aqueous solution of the resin has a viscosity of at least 0.5 poise at 25 DEG  C.  The resins may be converted into the insoluble infusible form by the action of heat and/or acidic catalysts.  The product may be used as a solution or it may be concentrated and dried in known manner.  The resins may be used in paper manufacture.
Patent GB-661979-A (GB)
Title: Improvements in fastenings for stair carpets
IPC: A47G27/06
Filed: 1949-03-08
Abstract: 661,979. Stair carpet fastenings. WITHERIDGE, A. J. March 8, 1950. [March 8, 1949] No. 6223/49. Class 52 (v). A stair - carpet fastener comprises a bracket 1 with an inwardly directed guide lug 3 offset from the front of the bracket. The rear of the lug is convex and the front of the rear wall 2 of the bracket is concave to provide a curved path for a similarly curved stair rod 7 which is inserted through a transverse slot 5. The outer wall of the bracket provides a shoulder 8 for endwise abutment of the stair rod.
Patent GB-608716-A (GB)
Title: An improved drilling appliance
IPC: B23Q17/24
Filed: 1946-02-28
Abstract: 608,716. Drilling-machines. ALEXANDER, J. W. Feb. 28, 1946, No. 6227. [Class 83 (iii)] [Also in Group XXXV] Observing tools and work.-A drilling-machine comprises a pivoted arm, a support on which the arm is mounted, optical means on the arm for viewing location marks on the work-piece, a drill carried on the arm, and means for securing the arm to its support at either of two positions corresponding to the angular distance between the axes of the viewing means and the drill. The drill s and microscope r are carried on the arm f at equal radial distances from the pivot f<SP>1</SP> by which the arm is mounted on the vertically adjustable support e, and are indexed by a plunger 3 working in holes 5 similarly positioned on the arm. The drill spindle is belt-driven by an electric motor w (see Group XXXV) and is fed to the work by the hand lever 6 which operates a cam acting against a spring.
Patent GB-847519-A (GB)
Title: Comminuted coal fines and method of comminuting agglomerated coal fines
IPC: B03B9/00
Filed: 1957-02-25
Abstract: 847,519. Fuel. HARTMANN, W. Feb. 25, 1957, No. 6273/57. Class 50. Agglomerated coal silt, particularly that containing a large proportion of particles which pass through a screen having 200 openings per linear inch, is treated with spent sulphite liquor to produce non-adherent coal fines which may be handled in normal coal fines apparatus. The silt, which may contain between 10 and 40% of water by weight, is tumbled in a barrel whilst being sprayed with the liquor, or the spent sulphite and silt may be mixed in a cement mixer. In an example coal fires containing 15% by weight of water are mixed with 3% by weight of sulphite liquor in a cement mixer to produce a number of readily disintegratable small balls.
Patent GB-961615-A (GB)
Title: Improvements in or relating to flyers for double-twisting spindles
IPC: B65H57/20
Filed: 1962-02-19
Abstract: 961, 615. Flyers for double twist spindles. ONDERZOEKINGSINSTITUUT RESEARCH N.V. Feb. 19, 1962 [Feb. 24, 1961], No. 6286/62. Heading DID. In a flyer for a double-twisting spindle in which an arm 9 has a guide 10 for the thread running from an unwinding bobbin 1, the arm is carried by a pair of coaxial rings 11, 12 joined by a strip 13, one of the rings 12 being located in a groove in an extension of the bobbin holder 2. The extension comprises members 3 and 5. Member 3 is removably clamped to holder 2 by a spring ring 14, while member 5 is removably slidable in member 3 and is fixable therein by means of a grub screw so that the groove formed between members 3 and 5 may be adjusted and so that member 5 may be removed when the flyer has to be removed (for example when the package is changed). The flyer may be formed of a single piece of hardened and chromium plated steel wire. The member 5 and the yarn contacting insert 4 in holder 2 may be of hard ceramic material and their corners may be rounded so as to facilitate threading.
Patent GB-1138655-A (GB)
Title: Methods and apparatus assembly for seismic prospecting
Inventor: TEICHMANN GORDON ALGER
IPC: G01V1/047
Filed: 1966-02-14
Abstract: 1,138,655. Seismic prospecting. IMPERIAL CHEMICAL INDUSTRIES Ltd. 6 Jan., 1967 [14 Feb., 1966], No. 6390/66. Heading H4D. Acoustic coupling between an explosive charge and the ground is provided by an intermediate flexible envelope containing a fluid. In the preferred embodiment, a ribbon 1 of explosive (e.g. pentaerythritoltetranitrate in a plastic binding agent) is sandwiched between films 2, 3 of polyethylene or polyethyleneterephthalate, film 3 being in the form of a lay-flat tube for containing water. Copper wires 4 strengthen the assembly longitudinally. In use the assembly is placed on or just below the ground surface and the charge is stemmed by an overlying layer of sand. Alternatively, film 2 may also be in the form of a water-filled tube for stemming the charge. In a modification the ribbon 1 (or a detonating fuze-cord), is not attached to tube 3 but is laid over it.
Patent GB-639636-A (GB)
Title: Improvements in and relating to methods for controlling the flow of particulate solids
IPC: B65G53/00
Filed: 1948-03-01
Abstract: 639,636. Pneumatic conveyers. CHALLIS, E. J., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. March 1, 1948, No. 6420. [Class 78 (i)] In a process for the transfer of particulate solid in which the solid flows down a pipe inclined to the horizontal at an angle greater than the normal angle of repose of the particulate solid into a substantially horizontal tube through which a fluid stream is passing substantially axially to fluidise but not to entrain the solid, the horizontal tube having a length sufficient to prevent the solid flowing freely from it if the fluid stream is interrupted, but the length being not much in excess of this. As shown in Fig. 1, the particulate solid contained in the hopper 1 flows down a pipe 2 into a stream of gas flowing in a horizontal tube 3. The gas may be introduced into the tube 3 by means of a jet. The rate of solid flow is varied by varying the gas rate. Specification 582,055, [Group XII], is referred to.
Patent GB-1143898-A (GB)
Title: Polymer impregnated concrete
IPC: C04B41/63
Filed: 1968-02-09
Abstract: 1,143,898. Resin impregnated concrete. UNI. TED STATES ATOMIC ENERGY COMMISSION. 9 Feb., 1968 [9 March, 1967], No. 6429/68. Heading C1H. [Also in Division C3] A process for increasing the compressive strength and decreasing the permeability of preformed solid concrete bodies comprises impregnating the solid concrete bodies with a monomer and subjecting the impregnated body to ionizing radiation to polymerize the monomer contained therein. Monomers are ethylene, ethylene/sulphur dioxide mixtures, methyl methacrylate, styrene, vinyl chloride, vinyl acetate or mixtures and can contain dyes, or solvents to enhance penetration.
Patent GB-758953-A (GB)
Title: Improvements in or relating to direct current electric switching contacts
IPC: H01H1/04
Filed: 1954-03-05
Abstract: 758,953. Switch contacts. STACKPOLE CARBON CO. March 5, 1954 [March 12, 1953], No. 6481/54. Class 38(5) One, preferably the " cathode ", of a pair of D.C. contacts is formed from (a) a noble metal, e.g. silver or gold, (b) lead and (c) one of the following, viz: cadmium, bismuth, antimony, mangangese and chromium. The amount of lead is between 1 per cent and 10 per cent (preferably 2 per cent) and constituent (c) should not exceed 5 per cent. The "anode" contact may be formed from the same material or from a mixture of 20 to 70 per cent silver (preferably not over 40 per cent), 2 to 8 per cent nickel (preferably about 5 per cent) and the remainder gold.
Patent GB-287448-A (GB)
Title: Improvements in the rotors of centrifugal compressors
IPC: F04D29/30
Filed: 1928-03-01
Abstract: 287,448. Akt.-Ges. Brown, Boveri, et Cie. March 19, 1927, [Convention date]. Impeller blades.- The impeller blades of a centrifugal compressor are held in the hub and cover discs by studs formed on the blades; some of the studs are riveted and others are not. It is convenient that all the studs 3 on blades 2 shall be riveted while the studs 4 on blades 1 merely penetrate the disc wholly or partially as shown in Fig. 3.
Patent GB-324274-A (GB)
Title: Improvements in metal dustbins and other containers
IPC: B65D8/10
Filed: 1929-02-28
Abstract: 324,274. Sims & Sons, Ltd., S., Sims, W. H., and Sims, R. S. C. Feb. 28, 1929. Rims of openings.- The upper edge of a bucket or other container is provided with a separate outwardly turned rim, no projecting edges being left on the inner surface of the container. The rim may be externally or internally applied; in the latter case, it may fit against a corrugation c, Fig. 1, or into a depression d, Fig. 2.
Patent GB-726986-A (GB)
Title: Improvements in or relating to piston-ring assemblies and expanding and positioning means therefor
Inventor: SHIRK JOHN FRANCIS
IPC: F16J9/06
Filed: 1953-03-10
Abstract: 726,986. Piston packing. PERFECT CIRCLE CORPORATION. March 10, 1953, No. 6557/53. Class 122 (1). An expander and positioning member for a piston-ring 60, particularly an oil-scraper ring, comprises a row of segments 62 for expanding the ring and a circumferentially self-expanding structure 63 connecting the segments and bearing axially against the ring to position it against one side of a ring-groove in a piston. A split spring-ring 60 may be held against each side of the groove by the split expander which has flanges 64 on the segments and is made flexible by slots 61 extending alternately from each of its sides, the ends of the expander being in abutment. The expander may be made from resilient metal and the rings from steel.
Patent GB-437074-A (GB)
Title: Improvements in or relating to scythes
IPC: A01D1/12
Filed: 1935-03-02
Abstract: 437,074. Scythes. MOUNTFORD, P., Sandbourne, Kinver, near Stourbridge, Worcestershire. Dec. 22, 1934, Nos. 36890/34 and 6578/35. [Class 6 (iii)] To enable a ball-and-socket joint fitting to be arranged between the handle and the blade of an ordinary scythe the fitting is provided with a clamp device adapted to receive and fit around the tang of the blade. In the form shown the clamp device consists of an openended box socket or sleeve 5 formed integrally with the ball member 6 of the joint, one side of the socket being extended and provided with a slot 9 to anchor the bent over end 3 of the tang 2 of the blade 1. Set screws 10 hold the tang in position. The ball 6 is held in a socket formed by a member 11 permanently attached to the handle 4 and a detachable member 12 provided with a hooked portion 15 engaging in a recess 16 in the number 11 and with a clamping screw or bolt 17. The ball and the socket may be roughened and provided with a setscrew to increase the clamping action. In a modification the clamp device for the tang is secured to the socket member of the joint. In the second Provisional Specification it is stated that the ball and-socket elements may be formed as permanent parts of the blade and handle of a scythe.
Patent GB-743420-A (GB)
Title: Improvements in or relating to means for cooling the compressor of a compressor-type refrigerating machine
Inventor: CHAUSSON GASTON
IPC: F25B31/00
Filed: 1953-03-10
Abstract: 743,420. Refrigerating. SOC. ANON. DES USINES CHAUSSON. March 10, 1953, No. 6585/53. Class 29. In a refrigerant compressor 2 comprising pistons 16, 17 actuated by magnetically-vibrated reeds to discharge vapour into the discharge space 21, the compressor and motor are cooled and the discharge of super-heated vapour is avoided by supplying liquid refrigerant by gravity from a subsidiary condenser to the space 21. As shown in Figs. 2 and 3, vapour leaves the space 21 through a pipe 22 which runs up one side of a plate 24 and is not attached thereto. Part of the vapour passes down a sinuous condenser coil 29 from which the condensate enters the space 21 through a pipe 23. The other part is condensed in the main condenser 25 and then passes through receiver 31 and pipe 32 to the evaporator, and then returns to the compresser cylinders through a filter 18 and pipes 19, 20. A restrictor 30, which may be a capillary tube, maintains a pressure difference between the two condenser parts. As shown in Fig. 5, division of the discharged vapour is assured by connecting the main condenser 25 to the pipe 22 at a point 34 below the highest point of the pipe 22. As shown in Fig. 6, the discharge 22 leads to inclined loops 36 from the bottom parts of which liquid flows through pipes 37, 38, 39 to a collector 40 connected to pipe 23. Discharge pipe 22 may be within and concentric with the collector 40.
Patent GB-1424202-A (GB)
Title: Tunnel shield with gathering arms
IPC: E21D9/12
Filed: 1972-02-12
Abstract: 1424202 Tunnelling ANDERSON MAVOR Ltd 25 Jan 1973 [12 Feb 1972] 6655/72 Heading E1F Mineral mined from a tunnel face by a mining machine located within a shield falls upon an apron 1A located at the lower leading end of the shield and is swept over the apron onto a conveyer 3 by oscillating paddles 23 disposed on opposite sides of the vertical medial plane of the shield, the paddles being connected by mechanisms as disclosed in referred to Specification 681037 to discs 21 lying in the plane of the upper surface of the apron and being connected to drive shafts of motors 19 housed in the apron. Controlled traversal of the cutter of the mining machine over a tunnel face is obtained by a cam follower on the cutter-carrying boom of the machine engaging with a cam track mounted on the leading end of the shield to extend transversely thereof and by jacks 6. 7 that control movement of the boom about an upright and a horizontal axis respectively.
Patent GB-581742-A (GB)
Title: Improvements in or relating to heat-exchangers
IPC: F28F9/00
Filed: 1943-04-27
Abstract: 581,742. Heat-exchangers. BRISTOL AEROPLANE'CO., Ltd., and HENSTRIDGE, A. G. April 27, 1943, No. 6663. [Class 64 (iii)] In an annular heat-exchanger in which one fluid is conveyed through a plurality of spaced radial ducts or passages 14, 16 and the second fluid through longitudinal passages or ducts 19 therebetween, said ducts 14, 16 and passages 19 being curved to such a form, e.g., involute, epicycloid, &c., as to be of uniform width a, b across the whole radial length thereof, the first fluid is adapted to flow through the ducts 14, 16 from inlet headers 13 to outlet headers 18 arranged alternately around the periphery of the exchanger. In the construction shown in Fig. 1, in which exhaust gases from a turbine pass longitudinally through a trunk 11 having bounding walls 12, 17, air to be heated by these gases flows from the inlet headers 13 through the ducts 14 to a central collector, defined by the wall 17, and thence through the ducts 16 to the outlet headers 18, the ducts 14, 16 being constituted by parallel wall tubes shaped to involute form in cross-section. The collector may be hexagonal or elliptical, and it may be provided with an inner bounding wall or with a spider having arms which define sealed compartments, so that the air from one inlet header 13 passes to its associated outlet header 18 without mixing with air from any of the other inlet headers. In a modification, Fig. 3, the involute ducts 14, 16 are substantially U-shaped. In the preferred embodiment, Fig. 7, the exhaust gases pass through parallel longitudinal tubes, each in the form of a chain of tubes 27 of oval crosssection which have trapezoidal ends to fit and be brazed or welded into involute slots 29 in the end plates 26 of the exchanger, and the air to be heated passes through the passageways between said tubes.
Patent GB-291540-A (GB)
Title: Improvements in earth-boring apparatus
IPC: E21B47/02
Filed: 1927-03-10
Abstract: 291,540. Mangnall, A. R. March 10, 1927. Borehole apparatus. - Earth-boring apparatus of the push-pipe type is provided with signalling means whereby contact of the boring bar &c. with a pipe, cable sheathing, or other metal part will be instantaneously indicated. As shown, the head of the pilot bar, which may be chisel-pointed, is formed in two parts d, d<1> insulated from each other and one or both parts insulated from the boring bar, the parts being connected in a circuit containing a lamp h, bell i, or other indicating means. The connections may comprise plug fittings l and a wire rope in formed with an insulated core and vound on a drum, the rope being clamped to the perch pipes. A grooved bar may cover the conductors or may form one of the latter. The whole of the pilot bar a may be longitudinally divided. Pipes &c. known to be in the path of the borer may be included in the electric circuit. To permit the circuit to be tested, one of the parts d, d', or a sleeve &c. may be slidable so as to move relatively to the boring bars on withdrawal of the latter and thereby close the circuit, or a resistance p may be put in the circuit such that the lamp h always has a slight glow but contact with a metal obstacle is necessary to operate the bell. The signalling means may have a wireless control.