baber/WOPTO huggingface dataset:
Patent GB-554392-A (GB)
Title: Improvements in or relating to cooling towers
IPC: F28F25/08
Filed: 1942-03-03
Abstract: 554,392. Cooling-towers. DAVENPORT ENGINEERING CO., Ltd., and GILL, F. E. March 3, 1942, No. 2792. [Class 64 (i)] The drip laths or rails of a water &c. cooling-tower are constructed of moulded or cast reinforced concrete and are supported at their ends by means of hollow or apertured blocks designed to permit a ready access of air to the interior of the stack. In the construction shown, series of triangular-sectioned laths F are supported in V-shaped notches in the recessed blocks H, the ends of the laths being, if desired, of rectangular cross-section. Alternatively, the ends of the laths may be arranged to bear against shoulders or abutments on the blocks H, and the latter may be provided with air vents running at right angles to the direction of the passages formed by the hollowed parts of the blocks.
Patent GB-637445-A (GB)
Title: Improvements in rotary gear cutters
IPC: B23F21/22
Filed: 1947-01-30
Abstract: 637,445. Milling - cutters. GLEASON WORKS. Jan. 30, 1947, No. 2932. Convention date, May 31, 1946. [Class 83 (iii)] In a rotary gear-cutting tool having a rotary head provided with a plurality of peripherally arranged slots with blades mounted therein, the radial sides of the blades are out of contact with the sides of the slots for the greater portions of their radial extent and have 'contact only on small portions of their radial sides with the sides of the slots. As shown, the sides of the slots 20 are relieved at 21 to form narrow bearing surfaces 23 for the sides of the blades'11. A trueing disc 12 having a protecting flange 22 is provided with recessed portions 16 to form narrow seating surfaces 18 for the blades. The blades are adjustably secured to the tool head 10 by means of bolts 30 operating in conjunction with wedges 34 which are adjustable axially of the tool by means of rotatable screws 38, apertures 36 being provided in the upper surface of the disc 12 to permit downward movement of the wedges 34. In a modification, the blades are relieved on their bottoms and sides to form the narrow seating and bearing surfaces respectively. The tool is trued as in Specification 634,385.
Patent GB-1475232-A (GB)
Title: Method of measuring the relative spacing of an object from an optical image correlator
IPC: G01S17/32
Filed: 1975-01-23
Abstract: 1475232 Measuring distance away optically WETZLER GmbH 23 Jan 1975 [25 Jan 1974 2 Dec 1974] 2986/75 Heading G1A [Also in Division H4] Apparatus for measuring the distance of an object from an imaging system 16 of an optical correlator comprises a projector 14 to project an image of an illuminated grating 12 on the object, a system 16 imaging this image on a correlator structure 17 having a fixed orientation relative to grating 12 and viewed by a photoelectric receiver as 19, 20, which, due to a modulator of the light, gives out electrical signals which are evaluated by means giving the spacing of the object from system 16. Either grating 12 or 17 may be made to oscillate as by mechanism 13 and the resulting signal from a push-pull amplifier fed by receivers 19, 20 compared for phase with a signal from mechanism 13. Instead of two receivers 19, 20, a single receiver may be used with an oscillating diaphragm or prism. In Fig. 2a (not shown), the light source 10 is fed from A.C. via rectifier (21). The difference of the receiver signals is a measure of the spacing. The fundamental or an overtone of the signals may be evaluated. Alternatively an LED may be supplied by a pulse generator; or the light modulated by a rotating slotted disc. The number of slots and the speed determines the frequency and phase,relationship of the modulation of images 10 and 10". In Fig. 3 (not shown), lens (30), serves for both projecting and imaging and small mirror (34) at 45 degrees to the lens axis diverts light to grating 17. Rastor 12 is oscillated along the optical axis. In Fig. 4 (not shown), the lens (30) and grating (31) are common to the projector and correlator. In Fig.5 (not shown), a common multiple grating (12') with lines of three different orientations and spacings is used and there are a plurality of receivers orientated correspondingly to the sets of lines. The shape and orientation of the projected image should correspond with that of the object. The apparatus may be used as a blind aid and the correlator lens set to correspond to a particular spacing.
Patent GB-943676-A (GB)
Title: Fluid control valves for web guiding apparatus
Inventor: HARNDEN CHARLES ARTHUR
IPC: F16K31/128
Filed: 1962-01-26
Abstract: 943,676. Feeding webs. C. A. HARNDEN Ltd. Nov. 1, 1962 [Jan. 26, 1962], No. 2991/62. Heading B6B.  In a web-guiding arrangement wherein a device 18, Fig. 1, sensing the position of the edge of the web 12 controls the action of a double-acting hydraulic cylinder 16 which moves the roll-carrying wind-off shaft 14 axially in either direction to correct transverse deviations of the web, the sensing device 18 acts. through a valve member 25, Fig. 3, forming part of a valve structure 17, and connected to a diaphragm 57 subject to the action of springs 67, 68 and vacuum in a chamber 69 controlled by the sensing device so that movement of the valve 25 is proportional to the web deviation, the valve 25 being so shaped as to permit the flow of hydraulic fluid to one or other end of the cylinder 16 in proportion to the displaced position of the valve. The sensing device 18 may comprise a head with triangular holes 20 over which the web edge passes, the head being connected by a conduit 22 to a vacuum pump 23 and the chamber 69, so that lateral movement of the web causes the area of holes exposed to atmosphere to vary and thus vary the vacuum on the chamber 69. In place of the perforated head, however, a finger engaging the web may be employed to operate a valve controlling the vacuum applied to the chamber 69. The springs 67, 68 are concentrically arranged and are separately adjusted by screwed members 60, 61 so that initial upward movement of the diaphragm is resisted only by the spring 67. The member 59 in which the springs are mounted is secured to a plate 50 secured adjustably by a sleeve nut 49 to the body 24 in which the valve 25 slides vertically. The valve 25 has lands 27., 29, 31, 33 which are a sliding fit in the bore of the body 24, and grooves 28, 30, 32 between the lands. The body 24 has ports 41, 46 connected by conduits 42, 47 to the ends of the cylinder 16 and a port 43 connected by a conduit 44 to a pump 45. A passage 39 in the body is connected to the sump 40. Movement of the valve 25 causes pressure fluid to be supplied from conduit 44 to one end of the cylinder and exhausted from the other end through passage 39. Where the lands 29, 31 connect with the grooves 28, 30, 32, the valve 25 is tapered so as to increase the fluid flow, and thus the correcting action, progressively as the valve moves further from its neutral position.
Patent GB-1463111-A (GB)
Title: Cylindrical column
IPC: B01D3/32
Filed: 1974-01-22
Abstract: 1463111 Distillation columns LONZA Ltd 22 Jan 1974 02991/74 Heading BIB In a distillation or concentrating column which is divided into chambers by a plurality of removable perforated floors 2 (or bubble trays) the gaps between at least some of the floors 2 and cylindrical wall 1 are sealed when inflatable hoses 6 which are retained in U- shaped rings 4 sealed on floors 2, are inflated by gas (e.g. air or N 2 ) supplied through pipes 8 and 9. The gas may be at or above atmospheric pressure depending on the pressure in the column. The floors and gas-supply pipes may be constructed as an integral unit so that it is readily withdrawn from the column for cleaning purposes. The hoses 6 may be of a double-walled construction; they may be made of elastomeric material.
Patent GB-123391-A (GB)
Title: Improvements in or relating to Instruments for Indicating or Recording the Flow of Liquids.
Inventor: LASSEN JENS JAKOB
IPC: G01F1/00
Filed: 1918-02-20
Abstract: 123,391. Lassen, J. J., Hjort, V. F., and Gilbert, J. L. Feb. 20, 1918. Liquid-meters.-In liquid-meters, especially of the V-notch type, a parallel-motion linkage E, E<1> carried by the float rod A is provided with a roller M, which is constrained to move along a fixed curved surface N by a spring 0, the curve being so designed that the scale of indicating or recording mechanism may consist of equal divisions or any desired arrangement. The recording-pen G is supported by a sliding member F' kept in contact with the member E<1> by a weight J, and the member F<1> is provided with a pin-and-slot connexion with a pointer 1".
Patent GB-707184-A (GB)
Title: Improvements in and relating to rivets
Inventor: TAYLOR GEORGE HAROLD
IPC: F16B19/06
Filed: 1952-02-06
Abstract: 707,184. Riveting; riveted joints. ENGLISH ELECTRIC CO., Ltd. Jan. 30, 1953 [Feb. 6, 1952], No. 3171/52. Class 83 (4). [Also in Group XXVI Plates &c. are riveted together by rivets that do not pass completely through both plates. The plate 1 in which the holes are to be blind, has holes drilled part way through, the bottoms of the holes are squarely and finally undercut or chamfered out at 8, Fig. 3. A small vent 7, Fig. 4, may also be drilled through both plates to communicate with the chamber 8. In a modification rivets are used having a number of longitudinal grooves 10 connected by circumferential grooves 9. A set 5<SP>1</SP> has an enlarged base carrying an annular flange. A plate clamp 3<SP>1</SP> surrounds the set and telescopes into the annular space formed by the flange. A rubber buffer 12 or spring 11 is confined between the flange and the plate clamp to transmit the pressure.
Patent GB-439844-A (GB)
Title: Improvements in or relating to clips for hose-pipe and like joints
IPC: F16L33/04
Filed: 1935-01-31
Abstract: 439,844. Band clips. HARLEY, F. B., 167, Frimley Road, Camberley, Surrey. Jan. 31, 1935, No. 3219. [Class 44] A clip for securing hose-pipes comprises a coil of spring wire 1, the ends of which overlap and are bent to form upstanding eyes 2, 3 which are forced apart by screw means to tighten the clip. In Fig. 1, a bolt 4 has a head 7 cut away at 8, Fig. 3, to embrace the adjacent coils of wire to prevent them from spreading and the bolt from rotating. An extension 9 of the head enters eye 3 and a nut 5 with a part 6 entering eye 2 screws towards the right-hand end of the bolt to tighten the clip. In a modification the bolt is rotatable, the nut being formed with a cut-away such as 8 to prevent its rotation. Fig. 6 shows a bolt 10 with a central hexagonal part 11 having a tommy-hole 12 and with right and left-hand threads operating nuts 13 held against rotation by cut-away peripheries. Springs may be inserted between the heads of the nuts and the eyes 2, 3, as shown at 15, Fig. 6.
Patent GB-1138584-A (GB)
Title: Surface interlocking device and two-part die mould for its production
IPC: F16B5/07
Filed: 1966-01-25
Abstract: 1,138,584. Moulding strip fastenings. A. KRUKENBERG. 25 Jan., 1966, No. 3251/66. Heading B5A. [Also in Division E2] A surface interlocking device comprises two interlocking halves each of which is provided with a plurality of coupling members 2 disposed longitudinally and transversely of one surface of a support base, with a constant spacing between adjacent members both longitudinally and transversely, and in which each coupling member engages several members of the other half of the device, characterized in that each support base 1 is integral with the coupling members and is provided with identical holes, the size and disposition of which enables the coupling members of each half to enter the holes of the other and over the edges of which the adjacent coupling members partly project. In the construction shown each coupling member is dome shaped and its flat underside is connected directly to the support base but in a modification each coupling member is connected to the support base by a stem and has a spherical head. To promote flexibility the webs which are left between the coupling members by the holes 3 are notched between the members to reduce their height and can also be notched in each side as indicated at 9 between the members to reduce their width. Each interlocking half is connected to a fabric article by stitches which enter the notches 8 and, if provided, the notches 9. Each of the halves is produced by a mould comprising a lower mould part 51 and an upper mould part 54; the mould part 51 has a grating like arrangement of cavities to produce the support base and the upper mould part has a plurality of dome shaped cavities to produce the dome shape coupling members. The mould parts shown are intended to produce an alternative form of the interlocking half which has square holes 3 instead of circular holes 3 and they also have no provision for producing the notches 8 and 9, however moulds are described which can produce these notches and also which can produce the interlocking half which has coupling members with stems and spherical heads. The lower mould part 51 is provided with a plurality of ejector pins 64 and the supply channels for the moulding material.
Patent GB-153216-A (GB)
Title: Improvements in and connected with clothes pegs
IPC: D06F55/00
Filed: 1920-02-03
Abstract: 153,216. Gray, W. Feb. 3, 1920. Clothes-pegs.-A clothes-peg is formed with a spherical swelling a adjacent the end of the bifurcation b for the purpose of strengthening the peg at this point. The head c is preferably of the same diameter as the swelling a. Pegs with forks at each end may be similarly strengthened by providing a spherical swelling at the middle, and the forks at opposite. ends may be disposed in planes at right-angles.
Patent GB-944420-A (GB)
Title: Improvements in squeezable tube dispenser construction
IPC: A45D40/26
Filed: 1962-01-29
Abstract: 944,420. Collapsible applicator tubes. S. D. HULSH. Jan. 29, 1962, No. 3306/62. Headings B8D and B8T. [Also in Division A4] A collapsible tube 10 of plastics material comprises a squeezable body portion 11 having an externally-threaded neck portion 12 fitted with a removable seal 20, a cap 30 screwed on to the neck, said cap having an apertured top wall 36 to which is secured a pad 38 of spongy material such as foamed plastics, which has an opening 37 therethrough coaxial with the aperture in the cap, a cover 40 and means for fixing the cover and cap together so that the cap can be unscrewed from the neck portion by twisting the cover, i.e. means for preventing relative rotation between the cap and cover when the cap is being screwed on or off. The seal 20 has a stem 22 with a lower flange 23 and is pushed into the neck aperture 14 so that the flat disc portion 21 rests on an annular ridge 15 rising from the top of the neck portion. The cap 30 is screwed on to the container by means of the screw-threaded portion 34. The cover 40 has longitudinal ridges 43 on its inner surface which engage grooves in the outer wall 31 of the cap, thus preventing relative rotation between cap and cover and an inwardly extending flange 44 which engages under the flange 33 of the cap. In use, the cover is turned to loosen the cap from the body portion and then removed and the cap unscrewed. The seal is taken out and the cap replaced. When the tube is squeezed, material from it passes into the opening 37 and is absorbed by the sponge which is cemented to the top wall 36 of the cap. In a modification the sponge is secured to the cap by means of an anchoring element 45 (see Fig. 5), comprising a tube 46 having a disc 47 at one end which fits into the screw-threaded cylinder 34 of the cap and a pair of flanges 48 and 49 at the other end. The sponge is slightly compressed to fit under the flange 48 and the flange 49 is embedded therein to keep the sponge secure. Apertures 50 are provided between the flanges through which material can pass into the sponge.
Patent GB-884904-A (GB)
Title: Improvements in or relating to ignition devices for use in continuous combustion internal combustion engines
Inventor: WARR WILLIAM
IPC: H01T13/20
Filed: 1958-01-31
Abstract: 884,904. Sparking pings; incandescent igniters. BRISTOL SIDDELEY ENGINES Ltd. Jan. 30, 1959 [Jan. 31, 1958], No. 3323/58. Class 7(4). An ignition device in a continuous combustion engine comprises two electrodes insulated from one another and forming a spark gap, one of the electrodes being so arranged and constructed as to retain a sufficiently high temperature to be capable of re-igniting the working fluid if the flame is quenched or blown out by a transient disturbance in the flow of working fluid through the engine. In Fig. 1 the electrode 10 is of a platinum alloy. A suitable alloy is disclosed in Specification 578,956. The insulator 9 is of ceramic material. The electrode 26 constitutes a re-ignition element. It may be made from a platinum alloy of the kind referred to in the Specification. The housing 25 projects across the cool air space and substantially only the electrode 10 and the tubular electrode 26 project into the flame tube. The electrode 26 may be mounted in an inclined position. In Fig. 2 the tubular reignition element constitutes the central electrode. The electrode 46 is constituted by a strip of platinum alloy brazed to the housing 25.
Patent GB-328634-A (GB)
Title: Improvements relating to the cooling of grinding mills
IPC: B02C17/18
Filed: 1929-02-01
Abstract: 328,634. Treschow, M. Feb. 1, 1929. Ball and like mills.-The material to be ground in a tube mill is exposed to cooling at suitable points of the mill by being passed along one or more heat-exchanging members, which partake in the rotation of the mill and through the wall or walls of which the heat of the material is transmitted to a cooling medium flowing within the members. The mill 1 is provided with an intermediate chamber 8 in which are cooling tubes 9 connected by an inlet pipe 18 to an annular space 16 and an outlet pipe 19 to an annular space 20, the annular spaces being formed in a fixed casting 17 having a fluid-tight connection with the outlet trunnion of the mill. The annular space 16 is connected by a pipe 15, valve 26, and pipe 14 with a tank 12 and the annular space 20 is connected by a pipe 21, pump 22 and pipe 23 to the same tank. The cooling medium is drawn through the pipes 9 by the pump so that in the event of a leak in the pipes, air is drawn in, and flooding of the mill prevented. The tank 12 is provided with an overflow 13 and a supply pipe 23, 24, a valve 25 connecting the pipes 23 and 15 so that the cooling medium may be supplied direct to the circulating system. The coils 9 are out of contact with the grinding bodies, but small material is inserted in the chamber 8 to clear the pipes of adhering ground material. In existing mills, an annular chamber 28, Fig. 3, divided by a partition 29, and provided with coils 9 encircles the mill in the neighbourhood of the coarse and fine grinding chambers. The partition 29 separates the chamber 28 into two compartments which are in communication with the mill through holes 31, 32 respectively, the mill being divided between the holes by a partition 33 so that the ground material from the first grinding chamber passes through a sieve 37, holes 31, both compartments in chamber 8 and holes 32 to lifting vanes 36 which discharge the material into the second grinding chamber. The helical formation of the pipes acts as a conveyer for the material or a separate conveyer device may be employed. The inlet and outlet pipes may be connected as previously described. In a modification the tube mill may be jacketed, the grinding surface of the tube being provided with hollow projecting ribs through which the cooling medium flows. In a further modification, instead of the pipes 9, Fig. 3, forming the cooling medium, a closed jacket, through which air circulates, is arranged to surround the chamber 28.
Patent GB-280073-A (GB)
Title: Improved silver alloys
IPC: C22C5/06
Filed: 1927-02-07
Abstract: 280,073. Joseph, R. P., and Schnorr, W. F. Feb. 7, 1927. Casting processes.-In casting silver alloys, a stream of illuminating gas may be played on the molten metal to minimize oxidation.
Patent GB-473944-A (GB)
Title: Improvements in modulating or demodulating apparatus for alternating-current signalling systems
IPC: H03C1/58
Filed: 1937-02-05
Abstract: 473,944. Two - way transmission. SIEMENS & HALSKE AKT.-GES. Feb. 5, 1937, No. 3489. Convention date, Feb. 5, 1936. Drawings to Specification. [Class 40 (iv)] [Also in Group XL] In a carrier system a modulator or demodulator comprising four metal or thermionic diode rectifiers in star connection, may be rendered inoperative for echo-suppression by making the bias sufficiently great to disable the rectifiers. Specification 203,711, [Class 40 (v)], is referred to.
Patent GB-1384896-A (GB)
Title: Cleaning covering textile materials
IPC: C11D17/04
Filed: 1972-01-25
Abstract: 1384896 Cleaning pads P A BOULUS 25 Jan 1972 [3 Feb 1971] 3494/72 Heading A4F [Also in Division D1] A pad for the cleaning of an area of a covering textile material comprises a porous pad having deposited thereon a composition of a detergent, a volatile grease solvent, a water insoluble absorptive substance which is either solvent insoluble and pulverulent or solvent soluble and dissolved in the solvent and crystallizable therefrom in absorptive form as the solvent evaporates, and water and a covering of a vapour tight or substantially vapour tight material to hold the pad in place on the material. In use, the pad is placed in contact with the textile material to be cleaned for 3-36 hours, the covering ensuring vapour tightness. The pad and covering are then removed and the textile material vacuum cleaned when dry. After deposit on the pad the composition may be freeze dried and stored in a vapour-tight manner until required and then drenched with water prior to application to the textile material. The detergents may be anionic, cationic or ampholytic agents. The solvent may be Stoddard's solvent, perchloroethylene, carbon tetrachloride or fluorotrichloromethane. The absorptive substance may be calcite, magnesium silicate or montmorillonite clay. The composition may further comprise a builder. An exemplified composition comprises sodium lauryl sulphate, perchloroethylene, sodium hydroxide, precipitated calcium carbonate and water. The pad may be made of synthetic, animal, vegetable or mineral fibres, many of which are specified, or blends of these and may have 6 to 12 layers. The pad is covered by the vapour tight covering which may comprise a sheet of waxed paper or plastics and may be provided with an adhesive layer. Adhesive tape may be used to ensure vapour tightness. The pad and covering may be provided in continuous rolls for cleaning wall-to-wall and stairway carpets. Pads may be placed edge to edge to ensure uniform cleaning. Other items which may be cleaned include furniture fabrics, pillows, mattresses, drapes, walls and ceilings.
Patent GB-177323-A (GB)
Title: Furnace or kiln
IPC: A21B1/48
Filed: 1921-01-28
Abstract: 177,323. Bibb, D. H. Jan. 28, 1921. Gaseous-fuel furnaces.-In a heating or drying furnace or kiln a, in which material is conveyed successively through a number of superposed chambers 1, 2, the chambers are separately heated by gas burners g, arranged as shown in Fig. 2, obliquely across the floor in such a manner, in relation to the trays i or the like on the conveyers, that each tray is always over at least one burner. Specification 176,986, [Class 78 (i), Conveyers &c.], is referred to.
Patent GB-1473782-A (GB)
Title: Preparation of methyl glyoxal acetals
IPC: C07C49/175
Filed: 1975-01-27
Abstract: 1473782 Methylglyoxal acetals PFIZER Inc  27 Jan 1975 3523/75 Heading C2C  Methylglyoxal acetals of formula  where R is C 1-10  alkyl are prepared by reacting dihydroxyacetone at 50-150‹ C. with at least an equivalent amount of a C 1-10  alkanol in the presence of a catalytic amount of a mineral acid or a cation exchange resin, in its acid form, produced from an acid having a pK value of less than one, e.g. a sulphonated resin.