baber/WOPTO huggingface dataset:
Patent GB-1432939-A (GB)
Title: Fluid mixing valve
IPC: F16K11/18
Filed: 1972-03-30
Abstract: 1432939 Valves H & DE WATTS Ltd 29 June 1973 [30 March 1972] 14929/72 Heading F2V Flow from inlets 3, 4, Fig. 1, into the chamber 2 of a mixing valve is controlled by an element 8 moved axially downwards to open the inlets and by an element 7 movable axially with but rotatable with respect to the element 8 to vary the flow from each inlet. The element 7 is cemented or press fitted to a spindle 9 while the element 8 is a loose fit on the same spindle and prevented from rotation by a pin 13 is engagement with a slot 14 in the wall of the chamber which has an outlet 5, Fig. 2, for the mixed fluids. When the valve is open, fluid forces provide a net upward force which is insufficient to overcome the friction between elastomeric seals 15, 16 and the chamber. These seals may be replaced by axially spaced annular sealing members 33, Fig. 7, joined by diametrically opposed longitudinally extending sealing members 34. In a further embodiment, the seals 15, 16 are replaced by O-rings (17, 18, Fig. 5) in the element 8, the lower end of the chamber 2 is provided with a vent (33, Fig. 4), and seals (31, 32, Fig. 4) are provided in a flange on the spindle 9 and in the element 8 so that there is no upward thrust on the valve due to fluid forces when the valve is open. Seals similar to those in Fig. 7 may be used to divide a sleeve of low friction plastics material into three separate parts two of which are apertured so that inlet pressure urges then into sealing contact with the wall of the chamber when the valve is closed. Alternatively, the apertures may be omitted, the sealing contact being provided by the resilience of the sleeve, which may be of metal, or by the element 8 itself which is split to form a spring fit within the chamber.
Patent GB-457135-A (GB)
Title: Improvements in or relating to television apparatus
IPC: H04N5/06
Filed: 1935-05-23
Abstract: 457,135. Television. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London.-(Assignees of Vance, A. W. ; 109, North 5th Street, Camden, New Jersey, U.S.A.) May 23, 1935, No. 15068. Convention date, May 23, 1934. [Class 40 (iii)] Relates to means for producing scanning and/or deflecting impulses from a source of alternating current of predetermined frequency by frequency multiplication, particularly for interlaced scanning systems to avoid " pairing" of adjacent lines. In the embodiment described the picture frequency is 60 cycles per second, and the line frequency 7290, giving a ratio of 121¢ which is suitable for the interlaced scanning system described in Specification 420,391. The line frequency is derived by frequency multiplication from the 60-cycle mains 3, being applied to, and saturating, an iron-cored inductance 1, from which a 180 cycle component is selected by a filter 9, 11 and fed to an amplifier 7. From thence the output passes to further frequency triplers 15, 23, 25, 27, comprising saturated valves, and amplifiers 17, 19, 21, 29 arranged between the frequency multipliers. The 14,580 cycle output from the unit 29 is fed to a valve 31 which permits the passage of only the positive peaks of the input and automatically controls their amplitude. This is accomplished by including in its cathode circuit the self biassing resistance 41 and also an opposing source 45 in the grid circuit tending to render the grid positive. In the equilibrium condition the valve is biassed almost to cut-off and permits only peaks of constant amplitude to pass, the bias changing with changes of signal strength. The output from valve 31 is halved in frequency by a dynatron frequency divider 46 fed to a limiter 47, amplified at 59 and appears in the output resistance 61. The picture frequency of 60 cycles, is derived from a valve 63 biassed close to cut-off which passes the 60-cycle positive peaks of a composite wave containing 60, 540, 1620 and 4860 cycle components derived from the frequency multiplying stages and fed to the grid of the valve 63, the output from which is amplified by a valve 103 and appears in the common output resistance 61.
Patent GB-438529-A (GB)
Title: Process for the manufacture of crustless cheese
IPC: A23C19/082
Filed: 1934-05-18
Abstract: The polyphosphates Na9P5O17 Na11P9O28, Na13P11O24 and Na6K2P6O19 are prepared by melting soda or potash with phosphoric acid in the suitable quantitive proportions.  Thus Na9P5O17 is obtained by first drying 321 gm. of soda of 99 per cent strength and 379 gm. of phosphoric acid of 86< per cent strength and melting them together at over 700 DEG  C.ALSO:Crustless cheese is obtained by fusing cheese material with a small amount, e.g. 1-5 per cent of water soluble alkali polyphosphates, particularly sodium polyphosphates such as Na5P3O10, Na6P4O13, Na9P5O17, Na11P9O28, Na12P10O31, Na13P11O34 or Na6K2P6O19.  The polyphosphates may be used in admixture with one another or with other substances such as known fusion agents, including sodium citrate or tartrate or salts of other acids of phosphorus.  The addition may be made to starting materials including animal or vegetable casein, curdled milk, curds, or finished cheese products including Swiss, Dutch, Tilsit, Allgau, Emmenthal and Edam cheeses.  Using finely ground hard cheese, fusion may be effected by heating to not substantially above 100 DEG  C., or to temperatures below 100 DEG  C., e.g. 80 DEG  C., with which reduced pressure may be used.  The polyphosphates Na9P5O17, Na11P9O28, Na13P11O34 and Na6K2P6O19 may be prepared by melting soda or potash with phosphoric acid in the suitable quantitive proportions.  Thus Na9P5O17 is obtained by first drying 321 gm. of soda of 99 per cent strength and 379 gm. of phosphoric acid of 86,2 per cent strength and melting them together at over 700 DEG  C.
Patent GB-813959-A (GB)
Title: A cylindrical furnace
IPC: C10G9/20
Filed: 1957-05-13
Abstract: <PICT:0813959/III/1> <PICT:0813959/III/2> A cylindrical furnace comprises an outer shell, a refractory insulating lining inside the shell forming a cylindrical combustion chamber, a single cylindrical bank of circumferentially spaced tubes disposed near said lining and concentric with said chamber, and at least one burner arranged to project flames and hot gases axially through the chamber in radiant heat exchange with said bank of tubes, wherein said tubes are spaced from said lining and have fin-like extensions projecting from their sides adjacent to the lining so that each tube is exposed to heat absorption from direct radiant heat from the hot flames and gases flowing axially through the furnace, to the radiant heat reflected from the refractory insulating lining, and to convection heat from currents of hot gases flowing between said lining and the back of the tubes in a direction opposite to that of the projected flames and hot gases, the extensions being protected from direct radiation from the flame and gases.  In a typical example in which a furnace has a lower radiant zone 52 (Fig. 6) fitted with 4 upshot burners 53 and a plurality of tubes 56 each tube is provided with three fins 75 which extend outwardly towards the refractory well 57 but are not in contact with it.  In a modification each heating tube 90 (Fig. 9) has a set of 5 fins, 91, 92, 93, 94, 95, which extend radially on the side of the tube adjacent to the refractory well 96.  These fins are graded in length so that the most remote fin (93) is the longest. Reference has been directed by the Comptroller to Specification 757,762.
Patent GB-833055-A (GB)
Title: Improvements in or relating to press tools
IPC: B21D21/00
Filed: 1957-05-14
Abstract: 833,055. Making closure caps; flanging; beading. HOPTON, H. J. W. Aug. 12, 1958 [May 14, 1957], No. 15259/57. Classes 83 (2) and 83 (4). A press tool for forming circular, rectangular or other shape closure caps from sheet metal and comprising a top assembly having a top inner former or knock-out pad 12 moving within a top ring 11 and a bottom assembly having a centre block 19 surrounded by a pressure-ring 21, is provided with a pressure-ring adapted to form a beaded edge on the flange of the cap and with means for holding down the knock-out pad so as to prevent the cap flank from rising after the flange has been formed and whilst the pressure ring and the top ring are rising and the beaded edge is being formed. A spring-loaded buffer pad 15 rests upon a shoulder formed inside the top ring 11. The centre block 19 and a cutting ring 20 is supported on a base 17. The pressure ring 21 which is provided with an annular beading groove 23 is resiliently supported on a rubber buffer 18 through pins 22. In operation, on downward movement of the top assembly a blank is cut out by co-operation of the top ring 11 and the cutting ring 20 and the top ring depresses the pressure ring 21 to form a flange on the blank and is eventually arrested by buffer pad 15 engaging the top member 10. As the top ring rises the spring- loaded buffer pad 15 ensures that the knock-out pad 12 remains pressing against the cap blank whilst the pressure ring 21 rises under the force of the rubber buffer 18 and beads the end of the cap flange. The inner edge of the top ring is rounded to initiate and facilitate the beading. In a modification the top inner former 12 is concave (Fig. 4), and a resilient pad 30 is provided between the former and the buffer pad 15. In another modification (Fig. 5), the top inner former is screwed to the buffer pad a packing 35 being inserted between the parts. Also a separate knock-out pad 33 is provided. Fig. 6 shows a buffer arrangement for transmitting the press force to the top member 10 of the tool the press ram acting against the top surface of the pot 41 and the top member 10 acting against the lower surface of the lower plate 46.
Patent GB-379660-A (GB)
Title: Improvements in or relating to centrifugal bore-hole pumps
IPC: F04D13/10
Filed: 1932-05-30
Abstract: 379,660. Centrifugal pumps. SULZER FRERES SOC. ANON., Winterthur, Switzerland. May 30, 1932, No. 15339. Convention date, July 25, 1931. [Class 110 (i).] A centrifugal bore-hole pump of the multistage type is driven by an electric motor in a casing e containing air u n d e r pressure. The pump is shown with three impellers b, the lowest being arranged with its eye uppermost. The liquid to be pumped enters the inlet h in the pump housing a, and passes from the first impeller, through the passage i to the remaining impellers and the axial outlet f. With this arrangement, the pressure below the lowermost impeller tends to prevent air passing from the motor casing to the pump. Any water leaking through the stuffing- box d is deflected by the screen k and wall l to the drain pipe m from which it passes to the bilge pump n.
Patent GB-910447-A (GB)
Title: Improvements in and relating to internal combustion engines
IPC: F01C1/44
Filed: 1960-05-02
Abstract: 910,447. Rotary I.C. engines. CHITTENDEN, A. E., and SCHOLEFIELD, R. C. June 7, 1961 [May 2, 1960], No. 15357/60. Class 110 (2). The cylindrical casing of a rotary internalcombustion engine has abutments 9 defining between the rotor and casing two compression chambers 37, 39, and two expansion chambers 38, 40, which are swept by vanes 22, which are oscillated by cams fixed to the casing and engaging followers on arms at each end of each vane. As the rotor rotates in the direction of the arrow, the vane at B is tilted so that its leading edge rubs on the inner surface of the casing, and gas is forced into the transfer passage 23. At the same time gas is drawn into the space behind the vane through the intake 16. The vane proceeds through position D, where the transfer passage containing the compressed gas is closed, to position E, where the transfer passage is open at the trailing edge of the vane, and the gas is ignited by a spark plug at 13. The burnt gas is expanded in the chamber 38 and exhausted through the exhaust port 17. The rotor is hollow and is cooled by air blown through it by a fan mounted on the drive shaft. The casing is provided with cooling fins. Electrical distributers (Fig. 3, not shown), are driven from the engine shaft through bevel gears.
Patent GB-251464-A (GB)
Title: Improvements relating to purses, wallets, hand-bags, music-cases and the like
IPC: A45C13/08
Filed: 1925-06-13
Abstract: 251,464. Hatherill, Stephenson, & Co., Ltd., J., and Stephenson, H. T. June 13, 1925. Ornamenting.-Relates to the attachment of initial letters or identification marks to purses, wallets, hand bags, music cases, &c. The initial letter, carried by or marked upon a disc 1 of celluloid or other material, is held in place on the flap or other part of the purse &c. by a rigid open - backed metal frame, which may be covered with celluloid 4 and is provided with projecting prongs & adapted to be passed through the material of the purse, and preferably also through the disc 1, and to be turned over to secure them to the underside of the material. The prongs may, as in the form shown, be passed through openings in the stud-carrying plate 6 of the purse &c. fastening and be clinched or headed at the underside thereof.
Patent GB-728418-A (GB)
Title: Improvements in coolers for cement clinker or the like
IPC: F27B7/36
Filed: 1953-06-04
Abstract: 728,418. Cooling cement clinker &c. FULLER CO. June 4, 1953 [June 16, 1952], No. 15438/53. Class 51 (2). Apparatus for cooling cement clinker discharged from a rotary furnace 1 comprises an inclined grate 2, the space below which is divided into air chambers 3 and 4, a fan 11 supplying cold air to chamber 4 for discharge through the lower part of the grate, an offtake 16 leading this heated air to a chimney 7, and a fan 12 diverting part or all of this heated air to the chamber 3 for discharge through the upper part of the grate and delivery to the furnace for use as combustion air. In a modification the chambers may both be supplied with a mixture of cold and preheated air, or a number of chambers may be provided, the first being supplied with preheated air and the middle chambers with mixed cold and preheated air. Reference has been directed by the Comptroller to Specification 699,108.
Patent GB-272536-A (GB)
Title: Improvements in or relating to mechanical presses
IPC: B30B1/26
Filed: 1927-06-10
Abstract: 272,536. Romanoff, H. June 11, 1926, [Convention date]. Presses, mechanical.-Consists in reciprocating. the press ram by chain devices. As shown, the ram 19 carries a sleeve 31 furnished with guides for blocks 29 pivoted to members 25 carried by chains 21 passing around lower sprockets 20 on driven shafts 17, 18 and upper sprockets 22 running loosely on trunnions carried by adjustable brackets. By adjustment of the brackets and the length of the chains the stroke of the ram may be varied. The ram is held against turning by a finger 36 engaging guides 37, 38. Fig. 6 shows a modification in which the members 25 are united by a shaft 39 turning in a block 40 mounted within the sleeve 31.
Patent GB-1479534-A (GB)
Title: Production of acetic acid
IPC: C07C53/00
Filed: 1975-04-16
Abstract: 1479534 Acetic acid UNION CARBIDE CORP 16 April 1975 [17 April 1974] 15564/75 Heading C2C Acetic acid is prepared by a continuous, liquid phase oxidation of an alkane or alkene (3-8C) or mixtures thereof by admixing with oxygen containing gas with a carboxylic acid (2-4C) or liquid products formed in the process as a solvent, ethanol, and cobalt as a catalyst. A temperature of 80 to 150 C. with 5 to 150% by weight of hydrocarbon, 0.03 to 3% by weight of cobalt as a solvent soluble salt, and 1 to 20% by weight of ethanol, is used and the liquid product mixture is separated in a zone, the acetic acid removed and a portion of liquid product and the hydrocarbon recycled.
Patent GB-277744-A (GB)
Title: Improvements in and relating to grabs, excavators and the like
IPC: B66C3/08
Filed: 1926-06-22
Abstract: 277,744. Smith, W. June 22, 1926. Grab-buckets.-Relates to grabs of the type in which a sliding member 3 mounted between telescopic guides carries means for automatically locking or unlocking it to or from the hinge cross-head, and may have means for automatically tipping the buckets. The invention is shown as applied to the grab described in Specification 244,533. To avoid the need of a button on the lifting chain 31 in removing the open grab from the suspension ring 46, the L-shaped lever or levers 38 pivoted on the grab head 2 for engagement with the inside top edge of the conical ring are disengaged from the ring by means of a rod or rods 41, which is pivoted on the lower arm of each lever, slides in the grab head and is held downwards by a weight 43 or spring 44, or by both. With the buckets closed, the lower sheave block 3 cannot rise in its guides above the position shown, but after the lower cross beam 4 has been released from the sheave block 3 by the trip mechanism and the buckets have fallen open, the block 3 can be raised further by the lifting chain 31 until its bracket 45 lifts the rod or rods 41 and throws the lever or levers 38 inwards clear of the ring. So long as the weight of the open grab remains on the chain 31 the levers are held in this position and can be lowered through the ring, but when the buckets are again closed, the levers are free to engage the suspension ring. In a modification, the hooked ends of the levers engage an external groove in a suspended block and the lower arms of the levers are turned inwards and connected with a single rod 41. Reference has been directed by the Comptroller to Specification 217,636.
Patent GB-502167-A (GB)
Title: Improvements in and relating to electrodes for therapeutic purposes
IPC: A61N1/06
Filed: 1937-06-05
Abstract: 502,167. Electric treatment of the face &c. ELIZABETH ARDEN, Ltd. (Zezi, M.) June 5, 1937, No. 15671. [Class 81 (ii)] A therapeutic appliance comprises a plurality of thin and flexible electrically conductive plates or strips 10, each embedded in a covering body of insulating material 12, the thickness of which is greater on the side adjacent the surface to be treated than on the other side, means being provided for securing the strips in position in a further layer of insulating material 14 arranged to extend between the electrode and the surface to be treated. The electrode 10 may have an exterior coating 11 of tin or pewter and the insulating layer 12 may be of indiarubber latex cured, vulcanized or electrodeposited on the plate. The insulating layer 14 may be of felt and may be recessed to take the electrodes. A further layer of a perspiration absorptive material 16 may be provided. The plates may be shaped to con- ' form to the contours of various areas of the body and may be incorporated in a mask. A layer of flexible reinforcing insulating material may be attached to the outside of the mask and suitable straps 15 connected thereto. Connection to the plates is made by the binding post 17 through a branched conductor or a number of conductors. Preferably, only a few of the plates are activated at a time. Highfrequency current of the order of 6 to 12 metres is used without a second electrode in contact with the body. Suitable dimensions for the appliance are; thickness of copper plate, 0'3 mm. ; thickness of rubber on inside of plate, 4 mm. ; thickness of rubber on outside of plate, 2 mm. ; distance of plate from surface to be treated, 7 mm. Reference has been directed by the Comptroller to Specification 313,359, [Class 81 (ii)].
Patent GB-555185-A (GB)
Title: Telegraph system
IPC: H04L25/20
Filed: 1942-11-06
Abstract: 555,185. Telegraphy. STANDARD TELEPHONES & CABLES, Ltd. Nov. 6, 1942, No. 15702. Convention date, Nov. 12, 1941. [Class 40 (iii)] In a telegraph system, any line may be connected to all the others through a single repeater. Fig. I shows the line repeaters A, B, C of three lines connected to transmit to, or receive from, a single repeater R. Each line repeater is asso- :iated with three relays, e.g. A<SP>1</SP>, A<SP>2</SP>, A<SP>3</SP>. A message received by the line relay RR or repeater A is say, repeated over wires 1, 2 to relay A<SP>1</SP> which repeats it over wire 5 to repeater R which in turn repeats it over wire 7 to the relays B<SP>2</SP>, C<SP>2</SP> of all other lines. Relays B<SP>2</SP>, C<SP>2</SP> repeat the message over lines 9 to the sending relays SR of line repeaters B, C and thence to lines B, C. The relay RR of line A also energizes relay A3, which locks up over contacts of relays B<SP>3</SP>, C3 and disconnects relay A<SP>2</SP> from the repeater R so that the message is not transmitted back to the calling line. While A is transmitting to B or C, either of these stations, say B, may break in by sending a prolonged spacing current which causes relay RR of line repeater B to energize relay B<SP>1</SP> to send a prolonged spacing current to station A. Relay RR also energizes relay B3 which opens the locking circuit of relay A3. In another system, Fig. 2 (not shown), having four lines, the contacts of relays RR, A<SP>2</SP> &c. are connected to positive and negative battery instead of to battery and earth as in Fig. 1.
Patent GB-733521-A (GB)
Title: Needle bearing
IPC: F16C33/49
Filed: 1953-06-08
Abstract: 733,521. Roller bearing cages. USINES TORNOS. June 8, 1953 [June 24, 1952], No. 15756/53. Class 12 (1). A roller bearing cage comprises a cylindrical member 1 having end recesses 4, 6 in which rollers are disposed, and the width of each aperture 9 so formed in the outer surface of the cage is increased towards the end of the aperture to facilitate assembly of the rollers. The increased width may be achieved by chamfering the ends 2, 3 of the cylinder 1 or by milling the ends of the apertures for a distance greater than half the length of the rollers. Specifications 18670/13, 122,559 and 174,993, [all in Class 12 (i)], are referred to.
Patent GB-570332-A (GB)
Title: Improvements in and relating to securing devices for panels and doors
IPC: F16B19/10
Filed: 1943-09-27
Abstract: 570,332. Fasteners. MODREY, H. J. Sept. 27, 1943, No. 15814. [Class 44] A panel or door fastener comprises a member 1, secured to the panel 12, and a clamping rod 4, having an enlarged head 2, attached by a pin 14 to a cap 6 sliding on the member 1. A spring 5 surrounds the clamping rod 4 and also engages a wedging piece 3. The cap 6 has a bayonet slot 8 that is withdrawn and the enlarged head overlaps the hole; the wedging piece and the clamping rod have cross sections designed to completely fill the hole 9. In a modification, a handle is attached to the cap 6 and the bayonet slot is replaced by a groove. The end of the spring 5 may be bent to form the wedging piece. A laterally movable eyelet may be fitted to the hole 9 or the hole in the base of the member 1 may be enlarged and a washer fitted to carry the end of the spring 5 and the wedging piece 3 so that slight lateral movement is provided. Specification 553,623, [Group XXII], is referred to.