baber/WOPTO huggingface dataset:
Patent GB-1293473-A (GB)
Title: Improvements relating to incremental drive mechanisms
Inventor: WHITING ROBIN JOSEPH
IPC: F16H31/00
Filed: 1970-02-25
Abstract: 1293473 Ratchet mechanism PLESSEY CO Ltd 19 April 1971 [25 Feb 1970] 9143/70 Heading F2Q [Also in Division G4] A tape incrementing mechanism comprises a wire 7 wrapped around a drum 5 coupled to a shaft 2 carrying a tape drive sprocket through a one-way clutch, the wire being attached at one end to means operable for pulling the wire in one direction to rotate the shaft in one direction to increment the tape and being attached at the other end to a spring 8 for returning the wire 7 and drum 5 to their original positions. The wire 7 carries a nipple 9 which is held captive in the lower end 10 of a spring strip 11 secured to a lever 14 pivotally mounted on a pin 15. The lever 14 has a shoulder 16 which, in the position shown in Fig. 1, engages a notch 17 of a stop cam 18 secured to shaft 2. A lever 22 is pivotally mounted on a pin 23 and carries a pin 24 which is urged into engagement with the lever 14 by a spring 25. In order to increment the tape, compressed air is supplied to a cylinder 19 to cause a ram 20 to push against lever 14, moving it clockwise to disengage shoulder 16 and compress spring 11. When the lever 14 engages the lower end 10 of spring 11, the wire 7 is moved to rotate drum 5, cam 18 and shaft 2 until rotation is prevented by the engagement of the lower end of lever 22 with a notch 28 in cam 18. The supply of compressed air is then discontinued and the drum 5 and cam 18 are returned to their original positions under the influence of spring 8, a one-way acting brake preventing return movement of the sprocket.
Patent GB-765160-A (GB)
Title: Improvements in apparatus for cooling the ends of rotary kilns
Inventor: ANDERSEN NIELS
IPC: F27B7/38
Filed: 1955-03-29
Abstract: 765,160. Rotary kilns. SMIDTH & CO., AKTIESELSKAB, F. L. March 29, 1955, No. 9153/55. Class 51 (2). Apparatus for cooling the outlet end of a rotary kiln comprises a sleeve 3 joined to the kiln 1 by an end flange 2, an annular air box 4 spaced from and free to move axially of the kiln, rings 10 and 11 carried by the air box and by the sleeve respectively and whose sliding surfaces form a seal, and a cylindrical flange 12 extending into the sleeve from the air box to form inner and outer compartments 13 and 14 respectively, through which circulates air drawn by a blower attached to the pipe 23. The air box has wheels 5 disposed diametrally on rails 6, and a weight 9 urges the box into contact with the sleeve 3. A sand seal 17 is formed between a pipe 16 leading from the air box and the pipe 23. The blower may force air into the air box thus reversing the direction of the air current from that shown by the arrows. The end of the kiln projects into a stationary hood 18 and the passage of air between the kiln and the hood is prevented by a ring 19 on the sleeve 3 engaging rings 20, 21 fixed to the hood. The distance between the rings 20 and 21 can be adjusted by means of bolts 22.
Patent GB-1478831-A (GB)
Title: Method of chemically sharpening monocrystalline plate or ribbon
IPC: C30B33/00
Filed: 1976-03-08
Abstract: 1478831 Edge sharpening of monocrystalline ribbon or plate TYCO LABORATORIES Inc 8 March 1976 09173/76 Heading BIS The opposing edges of a ribbon or plate of monocrystalline material are sharpened by suspending the ribbon in a solvent and moving the ribbon relative to the solvent so that the relative movement is generally normal to the major plane of the ribbon and so that turbulence is avoided in the solvent. The ribbon is reciprocated and/or rotated with periodic reversals in the solvent. The sharpening of monocrystalline alumina using molten vanadium pentoxide as solvent is exemplified and produces a ribbon as shown in Fig. 2 with edges having a radius of curvature of 25Š.
Patent GB-297647-A (GB)
Title: Improvements in or relating to atmospheric gas burners
IPC: F23D14/06
Filed: 1928-03-26
Abstract: 297,647. Bolinders Melcaniska Verkstads Aktiebolag, J. & C. G., and Bolinder, E. A. March 26, 1928. Pulverulent - fuel, blowperforated tube burners.- The cap 3 is provided with downwardly-extending arms 5 which, on rotation of the cap, are jammed against eccentric surfaces 6 on the burner body 2 and so retain the cap in position. In the form of burner shown in Fig. 3, the eccentric surfaces are provided on the central sleeve 7.
Patent GB-1030922-A (GB)
Title: A process and apparatus for impressing through heat treatment ornamental patterns and/or writing on sheets of thermoplastic material
IPC: B44C1/24
Filed: 1963-03-08
Abstract: 1,030,922. Embossing. PIRELLI PLAST S.p.A. March 8, 1963 [Aug. 9, 1962], No. 9216/63. Heading B6J. [Also in Division B5] Thermoplastic sheet material is embossed on one side only by passing a cold sheet of the material between a rotating heated embossing roller and a rotating backing roller of a rigid or substantially rigid material. Both rollers are kinemaratically coupled to prevent any relative slipping of the sheet and the embossing roller is heated only in its embossing areas. Examples of suitable sheet materials, which may be molecularly orientated, are polyvinylchloride and polyvinylidenechloride.
Patent GB-159226-A (GB)
Title: Improvements in steam traps
IPC: F16T1/10
Filed: 1917-06-28
Abstract: 159,226. Cleland, J., and Stewart, J. C. June 28, 1917. Steam-traps.-A steamtrap of the kind described in Specification 9632/03 in which a valve is actuated by an expanding member filled with a volatile spirit has the expanding member arranged between a disc p formed on the valve member c and a loose plate i supported by arms on the open end of the trap body. The plate i is inserted through slots k and is held in position by a spring o arranged between a shoulder p<1> on the valve seat member c and the disc p. The trap casing is screwed to the valve seat member and is held in its adjusted position by spring arms r engaging notches t.
Patent GB-1109590-A (GB)
Title: Vehicle adapted to receive a wheel chair
IPC: B60P3/00
Filed: 1967-02-27
Abstract: 1,109,590. Vehicle platform elevator. D. F. B. BRUNNER. 27 Feb., 1967, No. 9270/67. Heading B8E. [Also in Division B7] A vehicle, e.g. a car, capable of being driven by a person seated in a wheel chair, comprises a horizontal rear platform 7 (which may be a rear part of the vehicle floor) on to which the wheel chair may be propelled at ground level, and which is raisable bodily to the position shown so that the wheel chair may then be propelled to the driving position and secured thereat to the vehicle floor, the platform 7 being raised via members 8, 10, 14 by interconnected hydraulic rams 12 supplied by a battery-electrically driven pump, wherein the pump is controllable from the wheel chair on the platform by means of a retractable control box 23. The platform 7 is pivotable about 9 into position 7<SP>1</SP> by means of a wire 30 secured to a winch.
Patent GB-788232-A (GB)
Title: Improvements in roller-weighting apparatus for textile machinery
Inventor: WALSH EDWARD
IPC: D01H5/46
Filed: 1955-03-31
Abstract: 788,232. Roller weighting. T. M. M. (RESEARCH), Ltd. March 20, 1956 [March 31, 1955], No. 9436/55. Class 120(2) Roller weighting apparatus of the type wherein downward pressure is applied to the neck at the end of the roller by a pressure pad or saddle, a tension rod being attached to the pad or saddle and subjected to loading means. is characterized in that means are provided for positively constraining the tension rod, when it is raised to relieve the rollers of the weighting load so that it assumes a laterally displaced position in which the pressure pad or saddle is clear of the roller. In the arrangement shown loading of rollers 14, 15 is effected by a spring 23 through tension rod 19 and saddle 18. Loading is relieved by a foot pedal 26 through a Bowden type cable, the inner wire 271 of which is attached to an adjustable roller 28 mounted on a bracket 21 carried on a crossbeam 22, and the outer sheath 27 of which is fixed to a cross-bar 25 to which is attached the lower end of a plunger 20 which carries the loading spring 23 and to the upper end of which is attached. the tension rod 19. Pressing of the foot pedal 26 causes the reaction in the sheath 27 to lift the cross-bar 25 and thus relieve the loading on, the roller. The tension rod 19 has a link 31 attached near its lower end the other end of this link being connected to a fixed pivot 32 such that on upward movement of the tension rod 19 it is automatically constrained to move into the inclined position indicated in dotted lines such that the saddle is removed from the roller neck and the roller is free to be lifted. Specification 740,725 is referred to.
Patent GB-968698-A (GB)
Title: Improvements in and relating to teats or nipples for feeding of infants and domesticated mammals
IPC: A61J11/00
Filed: 1961-03-15
Abstract: 968,698. Feeding bottles. MESSINES DEVELOPMENTS Ltd. March 15, 1961 [March 21, 1960], No. 9438/61. Heading A5X. A teat comprises a base 1, a tapered portion 2 reinforced by annular ribs 2a, an end portion 3, a valve 24 situated in the base and a crown portion 4 having holes 5. The crown portion may be roughened on the outer surface. The base portion is either flanged to fit over the neck of a feeding bottle, or may be attached by means of a clip.
Patent GB-677750-A (GB)
Title: Improvements in or relating to load handling pallets
IPC: B65D19/20
Filed: 1950-04-18
Abstract: 677,750. Pallets for handling loads. ADDISON-SEMMES CORPORATION. April 18, 1950. [July 14, 1949] No. 9507/50. Class 78 (iv). [Also in Group XVII] The spaces in hollow tubular paper board legs of a pallet register with holes in the paper board platform so that they may receive projections, such as the legs of furniture, on loads carried by the pallet. The platform is substantially rectangular and has flanges at opposite margins. The pallet of Fig. 1 comprises an upper platform 12, formed of two sheets of flat-walled corrugated cardboard secured together by an adhesive with their corrugations at right angles, and supporting the front and rear rails r of a lounge. The legs l of the lounge pass through holes 13 in the platform 12 and are protected by tubes 14 formed by rolling corrugated cardboard with the corrugations arranged axially and securing the convolutions of each roll together and to the platform 12. The tubes 14 are suitably spaced to accommodate the forks of a lift truck and are joined at their lower ends by a further platform 16. In Fig. 4 the lower platform is omitted and the upper platform 27 has flanges 30 which may be stapled to flanges 32 on a carton 31 of corrugated cardboard so that the pallet forms the bottom of the carton. A pallet of the form shown in Fig. 1 may be used as a packing member in a carton (see Group XVII). Specification 638,033 is referred to.
Patent GB-799121-A (GB)
Title: Improvements in and relating to the production of cheddar-type cheeses
IPC: A01J25/11
Filed: 1957-03-22
Abstract: 799,121. Cheese making. COMMONWEALTH SCIENTIFIC & INDUSTRIAL RESEARCH ORGANIZATION. March 22, 1957 [March 26, 1956], No. 9551/57. Class 84.  Apparatus for use in the production of Cheddar and Edam type cheeses, wherein the milk curd particles are fused together, comprises a vessel having a piston slidable therein, means for pumping curd and whey slurry, without entrainment of air, into the vessel, means to allow escape of whey from the vessel sufficiently rapidly to prevent ingress of air on compressing the curd to a block by pressure on the piston, and a second vessel having a slidable piston therein, the second vessel being placed to receive the block of compressed curd from the first vessel, and being of cross section greater than that of the first vessel, so that pressure of the piston upon the block of curd in the second vessel causes cross flow of the curd particles. In the apparatus of Fig. 4, a trough 1 and a cover 2 form an inclined cylindrical vessel closed by perforated circular pistons 3 and 4 actuated by hydraulic rams 5 and 6, the lower portion of the trough 1 forms the base of a deeper trough 1 A for holding whey, and the lower end of the cover 2 is perforated at 2 A, the upper end 2B being unperforated ; the second vessel 7 is inclined similarly to the first, is of width in one direction the same as the diameter of the first vessel but is wider in the other direction, and is closed by a perforated piston 14 and a piston 15 actuated by hydraulic rams 16 and 17. Curd and whey slurry is pumped through a pipe 9 into the first vessel, upward movement of the piston 3 causes passage of whey into the trough 1A, the level of whey therein being regulated by operation of a drain 10, and the curd is assembled to a block, out of contact with the whey, in the upper portion of the vessel ; on relaxation of pressure on the upper piston 4 the block falls through an aperture 8 on to the piston 14 in the second vessel 7 ; in the vessel 7 the block is pressed between the pistons 14 and 15, the curd particles in the block being so caused to flow laterally ; the flattened block of fused curd so produced slides from the top of the vessel 7 upon relaxation of pressure on the piston 15 and upward movement of both pistons 14 and 15.
Patent GB-215333-A (GB)
Title: Improvements in steering wheel brakes
IPC: B60T11/04
Filed: 1924-04-15
Abstract: 215,333. Compagnie d'Applications MÚcaniques. May 2, 1923, [Convention date]. Arrangements of hand and foot gear in conjunction with controlling apparatus.-The control rod 8 of a steering - wheel brake is provided at its ends with ball - and - socket joints 6, 7 and 9, 10 supported respectively by the brake drum cover plate 4a and the vehicle axle 1, the socket 10 being adapted to slide in a casing 11 and being urged to the left by an adjustable spring 13, so that the balls 7, 9 are always held firmly in their sockets. The ball 7 is provided with a groove 7<a> which is engaged by studs 12 in the socket 6, which is formed in the shaft of the brake-actuating cam 5. The joint 6, 7 may be located in line with, or outside of, the axis of the steering-pivot, and it may comprise a universal joint of the kind wherein grooves in a ball member are engaged by semicircular forks carried by the rod 8 and the cam shaft. The ball joints may be protected by flexible covers 16, 17.
Patent GB-253653-A (GB)
Title: Improvements in centrifugal machines
IPC: B04B1/00
Filed: 1925-04-14
Abstract: 253,653. Enock, A. G. April 14, 1925. Density separators. - A centrifugal machine for separating dust and dirt from milk or other liquids has outer and inner bowls B, A with dirt pockets between them, and an inlet pipe C<1> passing through the cover E of the fixed casing D. The liquid from the pipe C<1> enters the inner bowl A, passes through the holes a to the space between the bowls. This space has a number of inclined vanes b forming pockets for the dirt. The cleaned liquid passes inwards through the holes c<1> in the extension of the bowl A, and is discharged over the lip a<1> through the outlet K. A liquid-tight joint is made between the bowls A, B by a packing ring b<2> and the rim of the lip a<1> may be turned inwards or outwards. Instead of using perforations c<1> for the passage of the liquid, a narrow passage may be left between the bowls. The machine is preferably run on a horizontal axis but it may be run on a vertical axis.
Patent GB-678373-A (GB)
Title: Improvements in and relating to pressure gauges for fluids and the like
IPC: G01F1/38
Filed: 1949-04-08
Abstract: 678,373. Electric indicating systems. SPERRY GYROSCOPE CO., Ltd., JOFEH, M. L., and WHALLEY, R. April 20, 1950. [April 8, 1949] No. 9670/49. Class 40 (i). In apparatus for measuring pressure differences, e.g. across a venturi tube, two cup members 2, 3, Fig. 1, connected by a threaded sleeve 1 constitute a hollow chamber divided in two by a magnetic diaphragm 6 clamped between the members. The chamber halves accommodate laminated high permeability E- cores 4 wound with impregnated coils 5 on the centre poles, and the poles are separated from the diaphragm by air gaps. Pipes 8, 9 connect each side of the diaphragm to sources of fluid pressure, the coils are connected in series with the centre point earthed to the housing, and the free-ends are led through terminals 7 to an A.C. bridge network comprising equal resistors 10, 11, Fig. 3, which is normally balanced when the diaphragm pressure are equal. Differential pressure changes correspondingly distort the diaphragm.and vary the reluctances of the magnetic circuits to produce a bridge unbalance voltage representing the pressure difference in magnitude and sense, measured by a phase sensitive device 12 energized from the bridge A.C. source, which may be a C.R.O., a wattmeter, a two phase torque motor, or a microammeter and phase sensitive rectifier. Where sense is unimportant the bridge unbalance is measurable directly by an A.C. voltmeter. The pressure sensitivity is variable in accordance with the range of the measuring instrument, and the diaphragm is interchangeable to suit the pressures applied.
Patent GB-653657-A (GB)
Title: Improvements in apparatus for testing dyed textile materials
IPC: G01N33/36
Filed: 1948-04-07
Abstract: 653,657. Testing yarns. GEIGY AKT.- GES., J. R. April 7,1948, No. 9684. Convenvention date, April 8, 1947. [Class 120(iii)] [Also in Group VIII] Apparatus for testing the fastness properties of dyeings on textiles,. under wet conditions, comprises test liquid holders b, fitted into a bath a adapted to be heated, in each of which is disposed two rubbing or friction surfaces adapted to be mechanically moved relatively to each other under regulable pressure and in contact with a dyed textile sample s positioned between them so that the sample, immersed in a test liquid, e.g. soap solution, is subjected to a process of rubbing, one friction surface being formed by the upper surface of the bottom c of each test liquid holder and the other friction surface being formed by the lower surface of a reciprocable rubbing device i lying, under regulable pressure, on the bottom of each holder. As shown, water in a bath a is maintained at a desired temperature by thermostaticallycontrolled electrical heating elements q, stirring paddles p<1> being provided on a rotary shaft p. Scrubbers k carrying the rubbing shoes i are pivotally mounted on a shaft g which is reciprocated in slots f in end supports d by engagement with eccentric slots h<1> in driving wheels h ; shoe i is thus reciprocated relative to the corrugated bottom c of each holder b. Each scrubber k is loaded by a weighted lever n which can be swung back to rest on the driving shaft e when not in use. The material s under test may be in skein form, a dyed skein being plaited together with one of white wool and one of white cotton and secured on the rubbing surface of the friction shoe, the extent of the discolouration after test being determined visually.
Patent GB-1047185-A (GB)
Title: Fluid pressure control valve mechanism
IPC: G05D23/08
Filed: 1964-03-06
Abstract: 1,047,185. Valves. WILCOLATOR CO. March 6, 1964 [March 12, 1963], No. 9717/64. Heading F2V. [Also in Division F4] The supply of fuel gas to a main burner is controlled by a valve closure mounted with lost motion on a pivotable rigid arm which is thermally actuated from a pilot burner and including spring means to relatively lightly bias the valve closure towards the arm whereby a " snap " opening and closing action is obtained. Closure 24, of plastics material, is rigidly attached to a light spring 27 fixed at one end to rigid spring arm 25 by crimped lugs 27a (Fig. 4, not shown) and, at the closure end, with lost motion between edge 27e and downturned shoulder 27d whereby the closure is urged towards the arm 25. Upon failure of the pilot 11 an expansible chamber between discs 28a and 28b, connected to mercury bulb 30, contracts permitting lever 25, adjustable via screw 33, to move closure 24 towards outlet seat 21b which is engaged with snap action as the decrease in the flow area across the seat produces a pressure differential overcoming the force of spring 27. The opening of the valve is similarly delayed by the spring and lost motion upon relighting of the pilot 11. The valve housing is formed of a flat plate 15a and a concave sheet metal cover 15b sealed thereto by turned over edges 15c with a gasket 15d therebetween and is mounted on a plate 15e. Lever 25 is mounted to the casing by a forked portion 25b clamped thereto with the power element 28.
Patent GB-1378903-A (GB)
Title: Determination of the orientation of magnetism in a sample of material such as rock
IPC: G01R33/12
Filed: 1971-04-17
Abstract: 1378903 Measuring orientation of magnetism of rock samples L MOLYNEAUX 13 April 1972 [17 April 1971 (2)] 9719/71 and 9720/71 Heading G1N Apparatus for estimating the orientation of the magnetism of rock samples comprises magnetometers 60-63 connected via an A/D converter 7 to a computer 8 and responsive to the magnetism of the sample as it is rotated on a turn-table 3, and photo-cells 50, 51 co-operating with a perforated disc 41 rotating with the turn-table to inform the computer when predetermined fractions of a revolution and a complete revolution have been made. The computer stores the output of the A/D converter 7 in a respective location each time it receives a signal from photo-cell 50 and adds to these stored signals during successive revolutions. Circuit 52 ensures that the first, incomplete, revolution is missed. The computer determines the best fitting sine wave and printer 82 prints out the magnitude and angle of the sample's magnetism and its North and East components. The sample is then repositioned on the turn-table and the procedure repeated. The printer prints out total intensity, declination and dip relative to a fiducial line on the sample. The magnetometers may be fluxgate magnetometers or Hall probes. The turn-table is of wood and has a square recess 30 into which the sample holder 2, of plastics, fits. The sample holder has a cube outline. Nylon filament 21-24 holds the sample which is of cylindrical form in place.
Patent GB-483702-A (GB)
Title: Improvements in air compressors
IPC: F04B39/02
Filed: 1936-10-15
Abstract: 483,702. Regulating air-compressors. SLADE, L. W., and WESCOMBE, H. C. Oct. 15, 1936, No. 9851/38. Divided out of 483,644. Drawings to Specification. [Class 8 (i)] The invention comprises the unloading means described in Specification 483,644.
Patent GB-1425566-A (GB)
Title: Serving trolleys
IPC: A47B31/00
Filed: 1972-03-02
Abstract: 1425566 Trolleys S SCHREIBER 26 Feb 1973 [2 March 1972] 9887/72 Heading A4H [Also in Division F2] A serving trolley has a connection between a tubular leg 10 and a cross-arm 11 of smaller cross-section effected by a clamp comprising an expandable U-shaped member 16, a wedging member 17 and a bolt 19 which passes through aligned apertures in the members 11, 16 and is screwed into the member 17. The joint is masked by a plastics or metal plug 14, 15.
Patent GB-253289-A (GB)
Title: Improved means for conducting ashes and the like away from fireplaces and the like
IPC: F24B1/191
Filed: 1925-04-16
Abstract: 253,289. Jones, H. C., and Inwards, E. D. April 16, 1925. Ashes, removing. - In means for conducting ashes from fireplaces and the like, comprising a shoot extending from beneath the grate to the outside of the house, the shoot is built in the wall of the house. The shoot shown comprises inclined end portions c, c<2> and a vertical portion c', and delivers the ashes into a bin d removably housed in a chamber e sunk in the ground. A shoot c<3>, leading from a ground-floor fireplace, and inclined throughout its whole length, is also shown. Cleaning-doors f may be provided.