baber/WOPTO huggingface dataset:
Patent GB-262529-A (GB)
Title: Improvements in and relating to the manufacture of printing plates
IPC: B41D3/00
Filed: 1925-09-14
Abstract: 262,529. Marks, E. C. R., [Wood Newspaper Machinery Corporation). Sept. 14, 1925. Stereotype, casting. Stereotype printing- plates are separated from the riser or a supply of metal while the metal is in a liquid or plastic state by gradually displacing the metal above the mould cavity in such a way that some of the displaced metal flows towards the mould cavity to compensate for r shrinkage in the plate during cooling. This is effected by introducing an object into the mould cavity, so as to restrict gradually the mould entrance and to displace the metal lying between the source of supply and the edge of the matrix. The mould consists of a back 22 against which the matrix M is clamped by bars 23 and clips 24, and a rotatably-mounted core 25 provided with two opposite casting-surfaces. Metal enters the mould by gravity at a point adjacent to one of the clamping-devices through a spout 19 from a hopper 6 mounted above the mould. The hopper is fed with metal from a melting-pot 1 by a pump 7, and the hopper and spout are provided with means for keeping the metal in a molten condition. When the cast plate has begun to solidify, a shutter 29 adapted to slide circumferentially on the core 25 and operated from a cam 33 on the driving-shaft 34 commences to move gradually into the mould aperture. The part of the shutter 29 which enters the mould is of wedge shape and its operative face 45 is arranged to move transversely relatively to the mould entrance. The core is provided with means, such as a hole 36 in the wall, or a thickened wall, near to the spout 19 in order to insulate this part from the effects of the cooling- water in the core. As the shutter 29 moves it pushes metal before it into the mould to compensate for shrinkage due to cooling, and forces any excess metal back into the hopper 6 through the space between itself and the matrix-clip 24. The faces of the clip 24 and shutter 29 are substantially vertical and are shaped to cut off the supply of metal entirely, and the edges are formed so that the shape of the edge of the cast plate is of the correct shape to enable it to be clamped on the cylinder of the press. Grooves 39 are formed on the core for the purpose of forming ridges on the plate, and, in order to pre. vent the molten metal from running upwards into the grooves on the other part of the core, a lip 40 is formed on the lower end of the shutter. When the plate has solidified, the back 22 of the mould is lowered to strip the matrix from the plate, and the core is rotated, the cast plate P being carried round by reason of a projection thereon cast in a recess in the core. The free end of the plate is lifted by a part 42 of the shutfer 29 to facilitate removal.
Patent GB-1339460-A (GB)
Title: Frequency discriminators
IPC: H03D3/16
Filed: 1971-04-19
Abstract: 1339460 Frequency discriminators GENERAL ELECTRIC CO 19 April 1971 [6 March 1970] 22931/71 Heading H3A A frequency discriminator comprises a first and a second piezoelectric devices 16, 17 having their resonant frequencies respectively above and below the centre frequency of a modulated carrier signal, the devices also having one terminal of each connected together to an input terminal 10 with the remaining terminal of each connected to the respective junctions of rectifiers 18 and 22, 23 and 19 which are connected together in opposite directions between a pair of output terminals 12, 13. The resonant frequencies of the devices 16, 17 may be separated by equal spacings from the carrier frequency and a neutralizing inductance 27 may be connected across 17 if a wide bandwidth is desired for the discriminator.
Patent GB-592504-A (GB)
Title: Valve for pneumatically-operated apparatus, particularly electric circuit breakers
IPC: H01H33/32
Filed: 1944-11-21
Abstract: 592,504. Valves controlled by auxiliary valves. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Nov. 21, 1944, No. 23104. Convention date, Nov. 24, 1943. [Class 135] A valve for actuating, e.g., pneumaticallyoperated electrical circuit breakers of the kind operable only if a certain air pressure is available, comprises a housing 14, Fig. 1, having an inlet 15, an outlet 16, and an exhaust port 17. The space 5 between the large end of the spring- loaded differential piston 1 and the housing can be opened to the atmosphere through an auxiliary valve 6 having. an axially bored extension sliding in an axial bore in the piston. Normally, the piston, urged by the spring 4 and pressure air acting on the large end via the ports 9 and the bleed hole 10 in the auxiliary valve extension, seats over the inlet 15 so that only a part of the small end is exposed to the inlet pressure. On opening the auxiliary valve, the ports 9 are closed, the force on the large end decreases, and, when a desired pressure is available at the inlet, the small end leaves its seat so that air pressure acts over the whole of the smaller end to move the piston rapidly downwards. In a modification, a port 11, Fig. 2, is closed by a spindle when the auxiliary valve is opened and pressure air can leak between the spindle and the piston at 10<1>.
Patent GB-533362-A (GB)
Title: Improvements in fountain pens
IPC: B43K5/06
Filed: 1939-08-10
Abstract: 533,362. Fountain pens. A. G. PRODUCTS, Ltd., and SMITH. W. E. D. Aug. 10, 1939, No. 23135. [Class 146 (iii)] In a self-filling fountain pen wherein a vacuum is formed behind the piston, the piston-rod acts as a valve and is connected to an apertured cap through a spring so that the valve can be actuated without moving the cap. The piston 5 has a conical passage 4 closed by a valve 7 on the end of the rod 8. Arms 9 connect the piston 5 to a bridge 10 for retracting the piston. The rod 8 passes through a plug 12 and carries a button 15 with a stem 17 and spring 14 engaging a flange 16 on the cap 13, a retaining nut 18 being provided.
Patent GB-242744-A (GB)
Title: Improvements in and relating to buffers of underpick looms
IPC: D03D49/36
Filed: 1924-10-01
Abstract: 242,744. Rousseau, A. H. C., and Moore, H. Oct. 1, 1924. Checking picking-sticks.- A device for checking picking-sticks consists of two levers 1 pivoted at 2 to a bracket 3 secured to the loom frame and connected at one end by a spring 8 and at the other end by a strap 5. At the point where the picking-stick strikes the strap 5, this may be provided with a renewable piece of strap 10.
Patent GB-442377-A (GB)
Title: Improvements in socket head cap screws
IPC: F16B23/00
Filed: 1934-08-13
Abstract: 442,377. Set - screws. STANDARD PRESSED STEEL CO., Jenkintown, Pennsylvania, U.S.A. Aug. 13, 1934, No. 23320. Convention date, July 16. [Class 89 (i)] To facilitate turning with the fingers, the sides of a set-screw having a tool-receiving socket of less extent than the diameter of the head are knurled or otherwise axially roughened. Reference has been directed by the Comptroller to Specification 125,200, [Class 89 (i)].
Patent GB-275438-A (GB)
Title: Improvements in or relating to collars for personal wear
IPC: A41B3/04
Filed: 1926-09-22
Abstract: 275,438. Isherwood, H. Sept. 22, 1926. Collars, linen and like.-The stud hole d at the back of a collar is made in a tab c or loop fastened thereto only at its ends, thereby preventing the stud contacting with the neck-tie. More than one stud hole d may be made in the tab, as shown in Fig. 3, thereby allowing for adjusting the position at which the collar is attached to the shirt.
Patent GB-1220161-A (GB)
Title: Frequency meters
IPC: G01R23/02
Filed: 1968-05-16
Abstract: 1,220,161. Frequency discriminators. ELECTRICITY COUNCIL and P. N. NIELD. 25 June, 1969 [16 May, 1968], No. 23394/68. Heading H3A In a frequency meter of the type in which constant amplitude pulses are developed whose widths are determined by the difference between the period of an input signal and a predetermined time, the pulse developing means comprises a gate opened regularly by the input signal to feed clock pulses to a binary counter, and a bi-stable circuit which is set into one state when a predetermined count is reached and which is set into its other state in response to the corresponding point of the next cycle of the input signal. In a first embodiment, Fig. 1, a first pulse in an input signal at 10 passes gate 15 to set bi-stable 16, the output from which opens gate 17 to pass pulses from oscillator 18 to counter 19. At a predetermined count, the output from counter stage 20 opens gate 11 to allow the next pulse in the input signal to set bi-stable 12. At the end of the count period, the output from stage 20 resets bi-stable 12, 16. The output from bi-stable 12 is connected to a meter 14 via a current switch 13. In a second embodiment, Fig. 2, bi-stable 21 is set and reset by successive input pulses. One output from bi-stable 21 sets bi-stable 16 to open gate 17 and allow pulses to pass to counter 19 from oscillator 18. At a predetermined count bi-stable 16 is reset. Gate 22 thus produces an output depending on the overlap between the constant width pulses from 16 and the variable width pulses from 21. Errors in meter reading due to non-synchronization of oscillator 18 with the input signal may be reduced by the modification of Fig. 3 (not shown) in which further pulses are applied to the meter from another bi-stable (24) which is set and reset by the outputs from gate 17 and bi-stable 16. The current switches are constituted by transistor differential amplifier, Fig. 4 (not shown).
Patent GB-1141773-A (GB)
Title: Sensitive silver halide photographic materials
Inventor: KITZE THEODORE JOSEPH
IPC: G03C1/12
Filed: 1966-05-26
Abstract: 1,141,773. Hardening gelatin. EASTMAN KODAK CO. 26 May, 1966 [28 May, 1965; 1 June, 1965], No. 23530/66. Heading C3H. [Also in Division G2] Coating compositions, comprising gelatine, comprise a gelatine hardener aldehyde precursor which forms a gelatine hardener at pH's in excess of 7 and a compound of formula wherein Z represents the atoms required to complete a saturated or unsaturated carbocyclic ring which may contain substituents, e.g. alkyl, aryl, alkaryl, alkoxyphenyl, cyano or carbalkoxy groups. Specified gelatine hardener aldehyde precursors are aldehyde bisulphite addition compounds, methylol nitro methanes, methylol amides and ureas, alkoxymethyl amides, trimethylol melamine, 1,3-dihydroxymethyl - benzimidazole - 2 - ones, hydantoin formaldehyde condensates and methylol hydantoins. The photographic materials may contain antifoggants, e.g. nitrobenzodiazoles, 5-mercaptotetrazoles and anthraquinone - 2 - sulphonic acids and their alkali metal salts and ammonium salts.
Patent GB-1184581-A (GB)
Title: Electroplating with Bright Silver.
IPC: C25D3/46
Filed: 1967-05-22
Abstract: 1,184,581. Electro-plating with bright silver. ORION RADIO ES VELLAMOSSAGI VALLALAT. May 22, 1967 [May 21, 1966], No.23597/67. Heading C7B. Bright electro-plated silver is produced using a cyanide-containing silver electro-plating bath containing 2, 2<SP>1</SP>-bis-seleninyldithioacetic acid and dimethyl sulphoxide, e. g. each may be present in the proportion 0À5-1 gm/1. The bath may contain 40-80 gm/1 silver and 65-110 gm/1 free potassium cyanide. The bath may also contain 50-70 gm/1 potassium carbonate, 15-20 gm/1 thiocarbamide and potassium nitrate. Electrolysis may be conducted using a current density of 0À1-7 amp/dm<SP>2</SP> and cathodes moving at a speed of 6-8 m/min. Articles to be plated may be suspended in the bath or inserted into a drum.
Patent GB-796137-A (GB)
Title: Improvements in and relating to disc wheels
IPC: B60B17/00
Filed: 1956-07-31
Abstract: 796,137. Making spring wheels. KLOCKNER-GEORGSMARIENWERKE AKT.-GES. July 31, 1956 [April 5, 1956], No. 23661/56. Addition to 791,371. Class 144 (1). The wheel of the parent Specification is made by pouring the polyurethane or like plastic, in a liquid state, between the previously cleaned metal surfaces of the rim 5 and wheel body discs 2, 3 to which the plastic rings 4, 4<SP>1</SP> are to be bonded, the liquid plastic being retained therebetween and the assembly then heat-treated to set the plastic and thereby form the rings 4, 41. As shown, the rim 5 and one of the discs, 2, are concentrically located in recesses 13 on a horizontal plate 11 having a surface 14 to define the sloping outer surface of the uncompressed plastic ring 4. The surfaces 16, 17 of the rim 5 and disc 2 are sandblasted and treated with an isocyanate solution to enhance the bond with the polyurethane, which is poured from a ladle 19 into the space defined by the surfaces 14, 16 and 17. The surface 14 is treated with a fatty medium to prevent adhesion with the polyurethane, and dowel pins 15 through the rim lugs 6, the aligned holes 2a in the disc 2, and aligned holes in the plate 11 prevent relative displacement of the assembly parts. The assembly, forming a mould, is preheated in an oven before pouring of the polyurethane, the whole being returned to the oven until the desired set is obtained. Next the second body disc 3, Fig. 5, is located on the plate 11, and the rim 5, with the disc 2 bonded thereto by the ring 4, is reversed and centred around the disc 3 on the plate 11. The discs 2, 3 are bolted together with a spacer 21 therebetween, the thickness of which determines the degree of precompression of the plastic rings 4, 41 on final dowelling together of the discs 2, 3. The disc 3 is located with the plate 11 by dowels 20, and pouring of the polyurethane is effected through'a funnel 23 inserted through the aligned holes in the disc 2 and the rim lug 6. After heat-setting of the ring 4<SP>1</SP>, the plate 11 and spacer 21 are removed and the wheel discs 2, 3 assembled together and with the wheel hub.
Patent GB-925225-A (GB)
Title: Adjustable control means
Inventor: JUPE ROBERT JOHN
IPC: B64C13/06
Filed: 1960-07-07
Abstract: 925,225. Aircraft pedal controls. WESTLAND AIRCRAFT Ltd. June 23, 1961 [July 7, 1960], No. 23725/60. Class 4. An adjustable pedal control system for aircraft has two pedals, each comprising a pedal lever having first and second arms lockably hinged together, and a foot pressure member pivotally carried by one arm and spaced from the hinge axis, the other arm being pivotally mounted about an axis parallel to but spaced from the hinge axis. In Fig. 1, a heel board 2 supports brackets 4 and 5, Figs. 1 and 2, mounting concentric shafts 6 and 7. From each shaft extends a pedal lever comprising arms 8, 19 or 9, 20, hinged at 18, and a foot pressure member 24 or 25. The shafts 6, 7, are connected by linkages 10, 12, 14, and 11, 13, 15, respectively, to a lay shaft 16, so that the pedals move equally in opposite directions. Shaft 16 may also carry levers or cable drums operating the aircraft yaw control. Each member 24 or 25 is pivoted to its arm on a pin 26, and is also pivoted to a rod 27 extending within arm 19 or 20 and normally held in engagement with one of recesses 29 in arm 8 or 9 by a spring 31 acting between the end of arm 8 or 9 and a collar on rod 27. To adjust the position of a pedal without effecting a control movement, member 24 or 25 is raised by the pilot's toe, disengaging rod 27 from a recess 29, and the arm 19 or 20 is rotated about hinge 18 to the desired position. Member 24 or 25 is then released so that rod 27 engages in a new recess 29. Alternatively, the lock on hinge 18 may be operated by hand through a flexible cable.
Patent GB-645780-A (GB)
Title: Improvements in or relating to arm rests particularly for automobiles
IPC: B60N2/75
Filed: 1948-09-10
Abstract: 645,780. Arm rests. WETTLAUFER, E. G. Sept. 10, 1948, No. 23824. [Classes 52 (i), 52 (ii) and 52 (iv)] An arm rest for an automobile door panel consists of a hollow moulded shell 1 to the open top of which is secured a plate 30 having a sponge rubber upholstery pad 32 bonded thereto. The pad is covered by fabric secured by bonding or by a trim strip in a recess around the shell. The attachment screws 38, 19 for the plate and arm rest are concealed in recesses moulded in the shell and the latter is shaped to serve also as a door-pull.
Patent GB-1106188-A (GB)
Title: Improvements in or relating to bins and silos
Inventor: DIGWOOD HARRY JOHN
IPC: B65D90/08
Filed: 1965-06-04
Abstract: 1,106,188. Silos. ALDERSLEY ENGINEERS Ltd. 4 June, 1965, No. 23860/65. Heading B8S. A silo is made up from vertical wall panels such as 15, 16, 17 extending between hollow support pillars 19, 20 disposed around the perimeter of the bin, the pillars being constituted by interconnected support elements 21 disposed at the vertical edges of the wall panels. Each panel is made of corrugated sheet metal and provided at each edge with a flanged support element 21 welded thereto. Adjacent panels are bolted and/or welded together to form a horizontal section which is likewise secured to superimposed sections, corner plates 25, spacing plates 29 and attachment plates 34 being provided as necessary for details of which, and scaling, the Specification should be referred to. The hopper 12 is made up from two sections 36 as shown. For various configurations of silos which may be built, Figs. 3-8 (not shown) should be referred to.
Patent GB-686270-A (GB)
Title: Improvements in or relating to deflecting coils for cathode ray tubes
IPC: H01J29/76
Filed: 1950-09-29
Abstract: 686,270. Cathode-ray tubes. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Sept. 29, 1950 [Oct. 4, 1949], No. 23861/50. Class 39(i) [Also in Groups XXII and XXXV] Cathode ray tube deflection coils are formed of wire or sheet metal which may be self supportingly mounted on the tube and comprise two spaced closed conductors surrounding the tube at right angles to the axis and connected by two conductors parallel to the axis diametrically opposite the tube. Two sets of deflection coils may have a common annulus 41 at one end and concentric annuli 39, 51 at the other end. Loops 38, 49 in series with the annuli and the longitudinal strip conductors 40, 42 and 52, 53 respectively form the secondary windings of deflection current transformers mounted in the loops. The longitudinal strips may be subdivided into spaced parallel strips to reduce eddy currents and produce a particular distribution of current avoiding distortion. The combined line and frame scanning coils, to avoid waste of material, may be punched from sheet metal in a developed form having the conductors 52, 40 at right angles and contiguous coil units nested together, after shaping the coil units being spot welded at the junctions 46, 47.
Patent GB-736470-A (GB)
Title: Improvements in the translation mechanism for the blinds of roller-blind shutters for photographic cameras
Inventor: CORSI TELEMACO
IPC: G03B9/28
Filed: 1953-08-28
Abstract: 736,470. Photographic roller blind shutters. RECTAFLEX SOC. PER AZIONI. Aug. 28, 1953, No. 23878/53. Drawings to Specification. Class 98 (1). In a double blind shutter in which the exposure is altered by varying the slit width only, the winding-up rollers for the trailing blind and the tapes of the leading blind each have in cross-section the contour of a single turn of a flat spiral, the radial step portion between the ends of the turn being equal to the thickness of the blind or tapes which are secured to their rollers to abut against the steps so that each turn of blind or tape winds evenly over the preceding one. Preferably the ends of the blind and tapes are inserted into radial slots in line with the steps and the tape rollers are of larger radius, e.g. by 2.5-6 per cent, than the trailing blind roller so that as both blinds are accelerated by their driving springs the slit width increases to produce a constant exposure. To alter the exposure the winding roller for the trailing blind is rotatably adjustable on its shaft and is held in the selected position by a pair of screws passing through a chosen pair of four pairs of holes on the roller, each pair on a different generator, into one pair of four pairs of holes on a single generator on the shaft, each hole on the shaft being in the same plane normal to the shaft and roller axis as a hole in the roller.
Patent GB-779393-A (GB)
Title: Improvements in the manufacture of steel
IPC: C21C5/32
Filed: 1955-08-19
Abstract: Carbon steel is made by injecting oxygen into a bath of molten iron by means of a lance and continued till the oxygen ceases to flow. The molten iron may be held in a ladle and the oxygen lance inserted below the surface of the metal.  The diameter of the lance and the oxygen pressure employed determine the carbon content of the finished steel, e.g. a 3/8 " lance using oxygen at 150 lbs. per sq. in. results in a steel containing 0.25 per cent C.  The iron may be blown with a 1/2 " lance to 0.2/0.3 C and then with a 3/8 " lance to 0.03 C.  The final temperature may be raised by adding 1-5 lbs. ferromanganese and giving the metal a five minute after-blow.
Patent GB-1526862-A (GB)
Title: Dairy products
IPC: A23C13/14
Filed: 1977-09-06
Abstract: 1526862 Long-life milk products G C CHEESEMAN M ANDERSON and R WILES 6 Sept 1977 [9 June 1976] 23923/76 Heading A2B In order to reduce a tendancy to feather in coffee an ultra high temperature cream or other liquid milk product has an increased casein content so that its total protein content is at least 4.37% by weight on a fat free basis, and a calcium content of not more than 0.10% by weight on a fat free basis. The product may be made by deionising skim milk to remove substantially all the calcium ions, mixing the skim milk with a preselected amount of caseins and cream to give a product of the desired concentrations and subjecting to a U.H.T. sterilization process.
Patent GB-1310648-A (GB)
Title: Sowing machine
IPC: A01G9/10
Filed: 1971-04-19
Abstract: 1310648 Seed sowing device LANNEN SOKERI OY 19 April 1971 [16 Feb 1970] 23985/71 Heading A1D A seed sowing device, for sowing a predetermined number of seeds in predetermined positions of a seed tray, comprises a seed supply and a seed transporting device moveable between two positions, the first being adjacent the seed supply and in which suction nozzles in the device collect seeds from the supply, the device then moving to a second position above the seed tray where the suction is removed and the seeds fall to their predetermined positions; characterised in that each nozzle has an orifice for each seed required per sowing position, said orifice which is switchable between the suction and pressure side of a compressor, being substantially smaller than the seed to be sown, and surrounded by a substantially plane area approximately equal in size to the seed. In an embodiment, Fig. 2 seeds are collected from a vibrating seed layer 27 by suction heads in device 7, to which a suction is applied from compressor K via valve 33 and flexible hose 32, the seeds being delivered to seed pots 6 by movement of the device 7 and rotation of the valve 33, which cuts off the suction and blows air through the seed carrying orifices 46, 47, 48 Fig. 3 of the suction heads.
Patent GB-518224-A (GB)
Title: Improvements in and relating to vertical metal extrusion presses
IPC: B21C35/02
Filed: 1938-08-15
Abstract: 518,224. Squirting. LOEWY ENGINEERING CO., Ltd., and LORANT, H. Aug. 15, 1938, No. 24020. [Class 83 (iv)] A vertical extrusion press comprising a ram 3, container 6 and die 7 is provided with a receptacle 8 arranged in the path of discharge of the extruded products, which can drop into the receptacle without being deflected or deformed. By means of a rack 13 engaging a pinion 12 mounted on one of a pair of links 9, 10 attached to brackets 11 on the receptacle, the receptacle may be raised to a horizontal position as shown in chain lines in Fig. 1. A hinged side 15 of the receptacle is then automatically opened against the action of a spring 21 by the engagement of a fixed pin 17 with a blade 16 extending from the side 15. The extruded products P are then discharged on to a chute 19 and into a trough 20 which may contain a cooling medium.