baber/WOPTO huggingface dataset:
Patent GB-263021-A (GB)
Title: Improvements in or relating to centrifugal separators or clarifiers
IPC: B04B1/06
Filed: 1926-05-18
Abstract: 263,021. Mortensen, F. May 18, 1926. Density separators.-A centrifugal separator or clarifier has a bowl a, Fig. 1, containing a number of inverted caps f, f<1> - - or like domed containers, which divide the bowl into a number of compartments. Tubes k, k<1> - - provide means of communication between the compartments and the end of each tube is arranged as near to the centre of the bowl as possible. The liquid enters by the central tube d, passes through the compartments in succession, and leaves by the passage o. Dirt is deposited in the compartments but does not interfere with the passage of the fluid until the bowl is filled. The cups f, f<1> have flanges at their lower edges which are all sealed by tightening rings h, h'. In the modification shown in Fig. 2 the outer cup f<1> has a perforated wall and may be lined with filtering material. The liquid passes from one compartment to the next through the opening k<4>. The ring h<3> serves to secure the cup flanges and the bowl.
Patent GB-670353-A (GB)
Title: Improvements in mixing or kneading machines
IPC: A47J43/044
Filed: 1949-05-12
Abstract: 670,353. Mixing appliances. LAMB, H. T. May 4. 1950' [May 12, 1949; Nov. 29, 1949], Nos. 12740/49 and 30565/49. Class 86 A mixing and kneading machine of the kind having a roller or dolly which coacts with the internal periphery of a rotating bowl to effect the mixing or kneading operation and which is driven from the rim of the bowl, characterized in that the kneading portion of the dolly, when viewed in cross section, is of a non-concave cam form so that the mixture is flattened between the dolly and the bowl at least once during each dolly rotation. As shown in Fig. 2, a dolly 8 is held against the side of the bowl 3 by a spring-biassed arm 4 and carries at its upper end a toothed annulus 12 made of rubber or like material which engages in driving relationship with a resilient internally toothed annulus 13 carried by the bowl. The upper end of the dolly is formed with a narrow cylindrical portion 8d which maintains the dolly axis at a constant distance from the side of the bowl and the lower or kneading portion of the dolly when viewed in cross section is of double symmetrical cam shape having two part-circular risers 8b coaxial with the dolly axis connected by larger part-circular eccentric portions 8c of smaller curvature. Alternative forms of the dolly, Figs. 3-7 (not shown), have flatsided oval and elliptical cross-sections, a circular cross-section rotated about an eccentric axis and cross-sections of triangular form.
Patent GB-912250-A (GB)
Title: Improvements in and relating to electrical apparatus
Inventor: KING KENNETH CEDRIC ARTHUR
IPC: H04K1/04
Filed: 1961-04-08
Abstract: 912,250. Secrecy equipment. TELEPHONE MANUFACTURING CO. Ltd. April 8, 1961, No. 12742/61. Drawings to Specification. Class 40 (4). Secrecy equipment is housed in a support base for a conventional handset and has coupling means for passing secret signals to and from it, a further microtelephone being provided for conveying the non-secret signals to and from the secrecy device. The coupling may be purely inductive via the earpiece of the conventional handset, or may consist of a microphone and receiver for co-operation with the receiver and microphone, respectively, of the conventional handset. The secrecy device may be enabled by the placing of the conventional handset on the base. Secrecy is effected by frequency inversion.
Patent GB-573052-A (GB)
Title: Apparatus for imparting rotating and longitudinal movement to a rod
IPC: B23K20/12
Filed: 1942-09-10
Abstract: 573,052. Uniting by fusion. KLOPSTOCK, H., BERNFELD, E., and IDEAL MACHINE TOOL & ENGINEERING CO., Ltd. Sept. 10, 1942, No. 12753. [Class 83 (iv)] Apparatus for continuously rotating a rod W and continuously pressing it against a fixed surface, e.g. against metal to be welded &c., as described in Specification 572,789, comprises a holder T which is continuously rotated and engages the rod by rollers V, balls, guides S, Fig. 7, or the like pressed by springs J or adjustable screws I, Fig. 1, so as to rotate the rod but allow it to move axially and means to apply a predetermined end pressure. This may consist of an end-thrust bearing B<1>, Fig. 9, arranged between a rod RP, attached to the rod W, and a rod PS, to which hydraulic or other pressure is applied.
Patent GB-161199-A (GB)
Title: Improved azimuth fitting for mariners compasses
IPC: G01C17/00
Filed: 1919-05-21
Abstract: 161,199. Suter, E. A. May 21, 1919. Mariners' compasses.-A compass corrector comprises a frame 7 adapted to be mounted over the bowl by means of an arm 11 and arc 12, and having a graduated arc 15 with two adjustable pointers 25, 29 reading on a compass scale and are 15 respectively to indicate the true bearing and the error. An horizon glass 19 and index glass 20 are provided for taking observations by the sun.
Patent GB-291435-A (GB)
IPC: C02F5/02
Filed: 1928-05-01
Abstract: 291,435. Rosenheim, A. June 4, 1927, [Convention date]. Purifying liquids.-Dissolved silicic acid is removed from liquid, particularly water or aqueous salt solutions, by filtering the liquid through, or bringing it into contact with, gels which are capable of forming insoluble or only slightly soluble silicic acid adsorption compounds, polysilicic acid compounds or double silicates. Gels of ferric oxide or hydroxide, of chromic oxide or hydroxide, or of the oxides or hydroxides of the elements, of Mendeleeff's third group or of cerium or other rare earth metals, may be used. Alkali-containing gels of the above substances, as described in Specification 286,307, may be used, the water under treatment being in this case also softened and freed from iron and manganese. Water may be treated with gels having softening properties either before or after the treatment to remove silicic acid. The gels may be regenerated by treatment with alkalies, alkaline-reacting substances, or substances which yield alkalies on hydrolysis.
Patent GB-521887-A (GB)
Title: Improvements in variable pump flow control
IPC: F04B1/32
Filed: 1939-04-29
Abstract: 521,887. Pumps. VICKERS, Inc. April 29, 1939, No. 12845. [Class 102 (i)] [Also in Group XXIX] In a hydraulic control system having a variable delivery pump which supplies a motor through a throttle valve, means are provided for maintaining the pressure drop across the throttle which means is controlled by the pressure between the pump and the throttle and between the throttle and the motor. A variable delivery pump 11 is used to drive a motor 21 through a system which includes the control valve 7 and a throttle 6. The pipe lines 13, 16 to and from the throttle 6 are connected to the branches 28, 29 which pass to a control cylinder 23 that is used to vary the delivery of the pump 11. When the pressure difference across the throttle opening 15 varies from the predetermined one, the result of difference of pressure in the lines 28, 29 causes movement of the controlled piston 24 which regulates the pump until the datum difference is re-established. Specification 520,383. [Group XXIX], is referred to.
Patent GB-783093-A (GB)
Title: Improvements in or relating to rod-type electrical resistor elements having end capsand electrical wire tail connection leads
Inventor: PEARCE GRAHAM
IPC: H01C1/148
Filed: 1954-05-03
Abstract: 783,093. Direct connections between conductors. PAINTON & CO., Ltd. April 29, 1955 [May 3, 1954], No. 12862/54. Class 38 (1). A resistor is manufactured by providing a ceramic or sintered alumina core 1 with a carbon film 2 and brass end caps 3, then cutting the film to provide the required resistance and then welding the heads 7 of wire tails 6 forming terminals in recesses 4 in the end caps by means of one electrode 8 in contact with the end cap and one, not shown, in contact with the tail. The resistance element may alternatively be of wire and the end cap itself may form one electrode Specification 775,428, [Group XXII], is referred to.
Patent GB-152060-A (GB)
Title: Improvements in and relating to brushes for use in shaving
IPC: A45D27/04
Filed: 1919-11-24
Abstract: 152,060. Richards, G. L. Nov. 24, 1919. Shaving - appliances. - A shaving-brush has combined therewith a device for rubbing-in the lather, consisting of resilient fingers g on a cushion f closing a reservoir c for hot water, beard-softening liquid or cosmetic, which is extruded through channels h during use, the fingers g being supported by metallic nipples i bearing in holes in a cap screwed on to the reservoir.
Patent GB-202614-A (GB)
Title: Improvements in or relating to hand knitting frames
IPC: D04B11/00
Filed: 1923-05-14
Abstract: 202,614. Boudios, Les Fils de E. Aug. 19, 1922, [Convention date]. Addition to 200,066. Straight-bar machines.-The device forming the subject of the parent specification is modified. in that the auxiliary transfer points 13 are provided with butts 30 operated by the sliding cam 32 and also in that the supports 8, 8<1> are adapted to bear on the cam 22 through the intermediary of toothed bars 38 which engage the tricks 12 formed' in the supports.
Patent GB-1506935-A (GB)
Title: Process for quenching aluminium alloy work-pieces to reduce internal stress
IPC: C22F1/04
Filed: 1975-03-27
Abstract: 1506935 Quenching aluminium alloys SOC POUR LE FORGEAGE ET L'ESTAMPAGE DES ALLIAGES LEGERS "FORGEAL" 27 March 1975 [27 March 1974] 12911/75 Heading C7N Prior to solution treatment and quenching an aluminium alloy is differentially coated to control heat transfer. A thermally insulating coating may be applied only to the heavier sections to increase cooling rate by elimination of film boiling, or may be used in conjunction with a thermally-conductive coating applied to the thinnest sections, the regions of intermediate thickness being left bare. In another embodiment the whole workpiece is initially coated with thermal insulation, and subsequently a conductive coating is applied to the thin sections.
Patent GB-803986-A (GB)
Title: Improvements in or relating to magnet systems
IPC: H01F7/02
Filed: 1957-04-23
Abstract: 803,986. Magnets. PHILIPS ELECTRICAL INDUSTRIES, Ltd. April 23, 1957 [April 26, 1956], No. 12929/57. Class 35. A permanent magnet device similar to that described in Specification 768,518 for supplying variable flux for magnetic filters, chucks and brakes, lifting magnets, &c., and made in two sections 1, 2 comprising soft-iron plates 5, 6 energized by thin magnets 3, 4, is characterized by making the two sections of unequal thickness so that the resultant field 9 may be reduced to zero or reversed by mutual displacement of the sections. In the case of magnetic brakes the sections are annular and concentrically arranged to produce an axial or radial flux to engage an eddy-current disc or drum. The smaller section may be 35-48 per cent of the total length. Specifications 708,127 and 747,724 also are referred to.
Patent GB-179565-A (GB)
IPC: H01J1/14
Filed: 1922-05-08
Abstract: 179,565. Wehnelt, A. May 6, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Vacuum tubes.-The oxide coating of a cathode, or an electron-emitting body adjacent to the cathode, consists of a mixture of the oxides or hydroxides of the alkaline-earth metals. The mixture may be applied as a coating, or compressed as powder in moulds and heated. Such a coating will adhere not only to platinum and iridium but also to the base metals such as nickel and tungsten. The mixture may consist of 90 parts by weight of calcium hydroxide and 5 parts by weight of barium and strontium hydroxides respectively. Sticks may be made by compress. ing and heating the powdered mixture after moistening if necessary with water, alcohol,. acids, or solutions of salts.
Patent GB-979211-A (GB)
Title: Electrical plug and socket assemblies
IPC: H01R13/11
Filed: 1962-04-04
Abstract: 979,211. Two part couplings. UNITEDCARR Inc. April 4, 1962 [June 29, 1961], No. 13035/62. Heading H2E. An electrical connector socket contact is provided with a body portion, a tail portion for connection to a circuit conductor and a pair of prongs 21, 22 twisted through 90 degrees about their longitudinal axes to provide a pair of laterally aligned contact areas 25, 26. The contact is formed from a blank of extra hard phosphor bronze alloy and may be plated with copper and then gold. An insulating block carrying these contacts and another block carrying corresponding plug contacts are described in which the blocks are polarized by means of studs carried thereon.
Patent GB-612341-A (GB)
Title: Improvements in contact terminals for vacuum tubes and the process for sealing the terminals or the tubes
IPC: B60P1/14
Filed: 1946-04-30
Abstract: 612,341. Two-part couplings; metal-to-glass seals. DU MONT LABORATORIES, Inc., A. B. April 30, 1946, No. 13082. Convention date, May 2, 1945. [Classes 36 and 38 (i)] A terminal for a valve comprises a hollow spherical head 1 provided with an outwardly extending inturned flange 3 and a neck 2 which securely grips a rod 6 upon which is mounted a glass bead 7. The assembly is inserted in a hole provided in the envelope 8 and the bead is fused to it, and to the rod, the envelope being also fused around the flange at 9.
Patent GB-337753-A (GB)
Title: Improvements relating to race starting apparatus
IPC: A63K3/02
Filed: 1929-04-29
Abstract: 337,753. Heisser, O. E. Jan. 26, 1929, [Convention date]. Void [Published under Sect. 91 of the Acts]. Starting-gates for horseracing.- A structure comprising a plurality of stalls is adapted to be lifted from the track by a crane, for example, a crane with caterpillar mounting. Each stall, Fig. 1, has padded walls 12 from which run supporting bars 14, 15 to beams 13. To start a race, the handle 48 above a starting platform 49 is rotated, depressing a bar 45, normally held by a spring 47, releasing a fork 45. The rod 43 fitted with dash-pot silencer moves under the action of a spring to the right, Fig. 3, the link bars 42 pivoted to it rotating the vertical rods 41 causing, through linkwork, depression of the pins 25, which release the belts 18, and cause them under spring action to fly back, through apertures 23 into the walls 12, thus setting the horses free. The horses enter through the back of stalls where straps 19 are provided. Spikes 16 render the structure firm and a strap 53 is provided for further horses.
Patent GB-132466-A (GB)
IPC: A47L15/06
Abstract: 132,466. Smith, C. A. April 25, 1919. Plates &c., washing.-Crockery placed in trays in a tank a is washed by liquid which is agitated by pivoted vanes b, n shown in plan in Fig. 1. The vanes b, pivoted to the tank sides, are connected by rods d with a cross-piece e reciprocated by a cam s on a spindle i rotated through reducing-gearing by a handle k. The vanes n pivoted on the gear frame are oscillated by a crank-disk m and links o attached to the vanes by ball-andsocket joints.
Patent GB-132539-A (GB)
IPC: A61F2/50
Abstract: 132,539. Zumaglini, A. April 20, 1916, [Convention date]. Limbs, artificial.-The co-acting parts of kneejoints are made almost entirely of metal castings shaped to correspond as nearly as possible with the natural knees. The joint is formed by a spherical metal cap 8 on the leg, fitting and sliding in a spherical metal socket 3 on the thigh portion. The wall 4 of the socket prevents the leg from bending reaswardly beyond the straightline position. Rockers 5, moving in open wooden bearings 9, transmit the weight from the thigh to the leg portion of the limb, and form the axis about which rotation of the joint occurs. The bending of the leg first raises the rod 16 until the upper end of the telescopic tube 15 contacts with the cross-bar 20 of the framing. The further raising of the rod then comprises the enclosed restoring-spring 14. The leg is locked in the straight-line position by a gravity pawl 10 releasable by a hand-operated rod 12.
Patent GB-334501-A (GB)
Title: Improvements in or relating to means for controlling the operation of sound reproducing apparatus used in conjunction with cinematograph projection apparatus
IPC: G03B31/00
Filed: 1929-04-29
Abstract: 334,501. Hedinger, F. H. April 29, 1929. Kinematograph apparatus. - Perforations or notches on a film in a projector are used to control the circuit of a solenoid so as to lift the pick-up from the record of an associated gramophone at the end of each sound reproduction and lower it again, at the same point of the record after exhibition of a caption. The pick-up 2 is mounted so that when the solenoid 13 is energized the pick-up 2 is lifted from the record 3. The solenoid 13 is connected in series with a battery and a spring contact device arranged so that the circuit is normally closed, but can be broken by projections at the edges of the film, which projections are accurately timed to open the circuit at the contact device for the time interval during which the sound reproducer is to operate.
Patent GB-133427-A (GB)
IPC: G07F13/02
Abstract: 133,427. Freuler, K. Oct. 7, 1918. Delivery of liquids; coin action, weight.-In an apparatus for dispensing measured quantities of liquid, a coin inserted into the coin shoot 7 falls on the end 18<1> of a lever 18 which is depressed to actuate the delivery valve and at the same time drops the coin into a zigzag shoot 27 - - 30, after traversing which the coin falls on the end of a lever 24 which is depressed to close the valve and discharge the coin into the money-box. The levers 18, 24 are connected by a link 22 attached to them at points 21, 23 respectively beyond the pivot 20 of the lever 18 and on the same side of the pivot 25 as the lever 24, so that the levers move into the dotted-line position during the passage of a coin and back into the full-line position when the coin is discharged. The coin shoot 27 - - 30, which is formed with ribs 39, 40 tn prevent sticking, has branches extending upward beyond the points of junction of the limbs in which the coin rolls upwards, thereby absorbing its kinetic energy and extending the time during which the valve is open. The valve is of the grid type and is actuated by the pin 23 which connects the link 22 and lever 24. The pin is secured in the sliding valve member 44, clearances 43, 47 being provided in the casing for the valve and the pin.
Patent GB-685322-A (GB)
Title: Improvements connected with liquid filled electrically heated radiators
Inventor: DAVIES IVOR GLYN
IPC: F24H3/00
Filed: 1950-05-30
Abstract: 685,322. Electric liquid filled radiators. SANTON, Ltd. May 29, 1951 [May 30, 1950], No. 13404/50. Class 39(iii) A liquid filled, electrically heated radiator comprising a plurality of sections 1 with headers 2, 3 has an end section 4 formed in two parts 5, 6 to house electrical connections, one part 6 serving as a cover. The radiator comprises a number of sheet metal sections 1 with upper and lower headers 2, 3 respectively. The end section 4 is similar to the sections 1, and has in its lower header a collar 7 for an immersion heater 8 and in its upper header a thermostat 9, which may extend through adjacent upper headers 2 or be clamped in the recess in the part 5. The part 5 has a central longitudinal groove for accommodating wiring between the heater 8 and thermostat 9.
Patent GB-978838-A (GB)
Title: Improvements in and relating to means for suspending curtains
IPC: A47H1/144
Filed: 1962-04-07
Abstract: 978,838. Suspending curtains. A. G. DUNCAN. March 15, 1963 [April 7, 1962], No. 13479/62. Heading A4B. A curtain support comprises a tubular track 1, runners 2, track support brackets 3, and stop brackets 4, and overlap support brackets 5, the longitudinally flexible track 1 being formed with a longitudinal slot 6 flanked by downwardly protruding ribs 7 and an upwardly protruding rib 8 which is tapered towards the tubular portion of the track 1, and the support brackets 3, 4, 5 having a groove of complementary shape to the rib 8 to slidingly receive the rib 8 and support the track 1 with the upper part of the latter flanked by and in contact with a semi-circular recess in the brackets 3, 4, 5. The one piece brackets 3 comprise a first block 11 having bores 12, 13 for selectively fixing by screws to vertical or horizontal surfaces and a second block 16 having the semicircular track-receiving recess End stops 4 are similar to the brackets 3 but have one end closed by a wall 21 provided with a curtain anchoring hole 22. Overlap brackets 5 include a further block 26 to support a further track 1. The curtain runners 2 comprise a plate 29 having a laterally projecting upper portion 31 which is slidable in the bore of the track 1, an integral ring 32 for engagement by curtain hooks, and intermediate projections 33 which engage the track underside when the runners are tilted. The component parts may be of nylon.
Patent GB-134909-A (GB)
IPC: B60K17/10
Abstract: 134,909. Variable Speed Gear, Ltd., and Robson, J. Nov. 11, 1918. Revolving-cylinder pumps; relief devices. - In a a rotary pump or motor of the kind comprising a rotor provided with a number of cylinders, the open ends of which lie in a surface moving in contact with a valve plate, the valve plate has a combined replenishing and relief valve device composed of two main portions, preferably consisting of a relief valve A held to its seat by an adjustable spring C and having a port A<1> controlled by the replenishing valve H, which is held to its seat by a spring H<1>. The space B communicates with the casing of the pump &c. by a passage G, and liquid is drawn from the casing into the suction or exhaust port F through the passage G, space B, port A<1>, and passage E. Each of the two ports in the valve plate has a replenishing and relief device. The invention is particularly intended for use with variable-speed hydraulic transmission apparatus of the Janney type.
Patent GB-613008-A (GB)
Title: Improvements in or relating to metal fusing apparatus and method
IPC: H05B3/03
Filed: 1944-07-14
Abstract: 613,008. Arc-heating electrodes. STEVENS, A. H. (Kellogg Co., M. W.). July 14, 1944, No. 13510. [Class 39 (iii)] [Also in Group XXII] Metal is melted by an arc between a conductor and a hollow electrode having a closed tip of high heat conducting metal and means for conducting cooling liquid to and discharging it against the inside of said tip, the flow being regulated to prevent damage to the tip. The electrode 14 which is of copper, silver, brass, &c., is cooled internally by water or other fluid supplied at 15. The electrode is moved automatically to keep it in correct position, as the body of metal 23 increases, by a motor 18 and known arc control means, D.C. current is preferred, the electrode being connected to the negative lead 20. In a modification a number of water-cooled electrodes 49, Fig. 2, are supported by a frame 36 moved vertically by the motor 18 on a truck 30 which is movable on rails 31 on a truck 32 movable on rails 133. Specifications 536,470 and 538,872, [both in Group XXII], are referred to.
Patent GB-628173-A (GB)
Title: Improvements relating to adjustable pitch screw fans
IPC: F04D29/36
Filed: 1947-05-19
Abstract: 628,173. Screw fans. AEREX, Ltd., and REEVES, H. C. May 19, 1947, No. 13511/48. Divided out of 623,710. [Class 110(i)] Impeller blades. fixing.-To enable a fan blade to be secured accurately at the desired angle, a plate c is fixed to the blade root a and formed with holes so placed as to coincide with corresponding holes in the impeller hub when the blade is in the required position, in which it is secured by screws or the like g passing through these holes. In the form shown the plate c is fixed to the blade root by nuts on studs e. To allow the blade to be fixed at different predetermined angles, interchangeable plates c, with the holes for the studs e appropriately placed are provided.