baber/WOPTO huggingface dataset:
Patent GB-106646-A (GB)
IPC: B65B1/36
Abstract: 106,646. Avery, W. & T., and Burrows, J. J. May 25, 1916. Moving - chamber apparatus for granular materials; varying quantity measured in.-Apparatus for delivering measured quantities of granular materials into receptacles fed intermittently beneath the measuring- chamber, particularly applicable to the filling of cartridge cases, comprises a supply hopper 26, an oscillating disk 10 having an aperture 11, Fig. 3, forming a measuring-chamber, a series of funnels 23 on a wheel 20 carrying the series of receptacles 22, a power-driven shaft 2 adapted to oscillate a shaft 9 on which the disk 10 is mounted and to feed the receptacles forward, and a spring-mounted arm 28 carrying pins 27 adapted to be depressed periodically to prevent the material from clogging the funnels 23 and the mouths of the receptacles 22. The shaft 2 is fitted with a worm 5 gearing with a wheel 6, Fig. 6, on a vertical shaft 7 carrying a collar 8 with radial pins 8a engaging teeth 25 on the wheel 20 to feed the receptacles forward. A cam 17 above the collar 8 engages a projection 16<a> on a collar 16 on the shaft 9 so as to rotate the shaft against the resistance of a coiled spring (not shown). When the cam is disengaged, the spring returns the shaft 9, and with it the disk 10, a pin-and-slot connexion 14 being provided between the disk and a plate 15 above it, so as to stop the movement abruptly and thereby shake the material from the measuring-chamber. A cam 36 may be provided on the shaft 7 to engage a pin 35, Fig. 7, on a bell-crank lever 32 having a locking-pin 34 engaging the teeth 25 of the wheel 20 to prevent movement of the wheel during filling or when replacing the receptacles. The arm 28 carrying the pins is depressed by an arm 30 oscillating with the shaft 9. The discharge funnels 23 are fitted internally with a second funnel 24, Fig. 3, to ensure a steady flow of material, and the receptacles 22 may be held in clips 21. The measured quantity may be varied by introducing rings into the aperture 11 in the disk 10. According to the Provisional Specification, the receptacles are supported in straight carriers advanced by racks, the carriers being removable from the machine.
Patent GB-417787-A (GB)
Title: Improvements in and relating to electric transformers
IPC: H01F27/38
Filed: 1933-04-10
Abstract: 417,787. Transformers. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London, and MAYO, C. G., 17, Alexandra Road, Rugby. April 10, 1933, No. 10709. [Class 38 (ii).] In a three phase selfcompounded transformer having main and shunt cores delta connected tertiary windings linking only the shunt cores are employed for the suppression of triple frequency harmonics therein. One leg of a three phase core comprises a main core 6 carrying a secondary winding 2 and a shunt core 5, a primary winding 3 linking cores 5 and 6. Triple frequency fluxes produced by magnetic saturation in the shunt core 5 may be suppressed by windings 1 and 7 arranged on the three legs of the transformer in two delta connected sets but in accordance with the invention these harmonics are suppressed by tertiary windings 4 arranged in delta on the shunt cores. A reactor may be connected in series with the delta connected tertiary windings 4 and a controlled triple harmonic voltage allowed to appear at the secondary terminals. Specification 392,193 is referred to.
Patent GB-1391071-A (GB)
Title: Closure cap and its combination with a container
IPC: B65D41/04
Filed: 1972-03-08
Abstract: 1391071 Caps for containers CONTINENTAL CAN CO Inc 8 March 1972 [8 March 1971] 10717/72 Heading B8T A closure cap of the press-on turn-off type for a container having a mouth finish 25 which includes a flat top portion 26, and a threaded side portion 30, 31, 32; comprises a cap body having a top panel 6 and a depending skirt 7, the annular margin of said top panel being in the form of a gasket-supporting channel 10 and having a frusto-conical inner portion 15 and a relatively narrow arcuate outer portion 16, and a fluxed plastisol ring gasket 8, 11 lining said channel 15, 16 and said depending skirt 7. On application of the cap the gasket material 8 is pinched by the sharply radiused inside edge 27 of the container mouth so that only a relatively thin section 35 of gasket remains and acts as a barrier to oxygen permeation, and the gasket portion 11 deforms to pass over the threads 32 and conform to them. Reference has been directed by the Comptroller to Specification 1,044,419.
Patent GB-491546-A (GB)
Title: Domestic article for use as or in connection with drinking-vessels, candlesticks, shaving-mugs, ash-trays, match-stands and funnels for filling bottles
IPC: F21V21/08
Filed: 1937-04-15
Abstract: 491,546. Smokers' ash-trays. ZIERENBERG, E. April 15, 1937, No. 10733. [Class 130] [Also in Groups XIV, XI, and XVII] An article which can be used as a drinking-vessel, candlestick, shaving - mug, ash - tray, match - stand, or funnel for filling bottles comprises a bowl 1, a hollow pedestal 2 integral therewith and a tapered bore 3 arranged at the upper end of the pedestal with its wider end opening into the bottom of the bowl. Into the upper end of the bore may be inserted a candle or a match stand 13 having a tapered plug 12 provided with a pin 5 which is received in a bayonet slot 6 in the bore. The match stand comprises grooves 7 for supporting cigarettes ; when the stand is removed from the bowl and laid on its side grooves 7a serve the same purpose. The bore 3 is screw-threaded at 8 and a screw or a resilient plug 9 is screwed therein when the article is used as a shaving mug ; flutings 15 on the inside of the bowl are said to facilitate this use. When used as a funnel the annular cavity 16 receives the bottle neck. The pedestal is perforated at 10 for draining away spilled liquid.
Patent GB-786423-A (GB)
Title: An adjustable device for regulating water in instant coffee making machines
IPC: A47J31/24
Filed: 1954-04-12
Abstract: 786,423. Coffee machines. ROTA, B. April 12, 1954 [April 11, 1953], No. 10781/54. Class 129. [Also in Group XXVIII] A variable-stroke " Espresso " coffee machine consists of a main casing 1, Fig. 1, bolted to the boiler and supporting a stepped cylinder liner 3 which is held in position by a screwed dome 4. There is a vented air space 5 between the liner 3 and the casing 1. The dome 4 carries a plunger 12 which may be raised against a compression spring 15 by an eccentrically pivoted hand lever 17. On raising the plunger 12, a stepped, free piston 19 is forced upwards within the liner 3 by water from the boiler which enters the larger bore of the liner 3 beneath the upper part of the piston 19 via a non-return valve 9 and passage 11. As the piston 19 rises, it contacts and lifts a rod 30, thereby moving the hand-lever 17 over dead-centre. The rod 30 is of variable length so that the effective stroke of the piston 19 can be varied. The plunger 12 then descends under spring loading. The water in the upper part of liner 3 is now forced by the descending piston through a passage 24, Fig. 2, and valve 29 into the smaller bore of the liner 3 and hence through the coffee filter. The valve 29 has an operating stem 23 passing through the piston 19 and is opened by the pressure of the descending plunger 12 acting against a spring 27.
Patent GB-1451714-A (GB)
Title: Carboxylic acid dihydrazide polymers
IPC: C08G73/06
Filed: 1974-03-11
Abstract: 1451714 Surfaces coated with carboxylic acid dihydrazide olive aldehyde polymers LOCKHEED AIRCRAFT CORP 11 March 1974 10791/74 Heading B2E [Also in Division C3] High emissivity is displayed by surfaces coated with a polymer obtained by condensing a dihydrazide of a cyclic tri- or tetra-carboxylic acid having all the carboxyl groups attached to ring carbon atoms, said hydrazide  having at least one carboxyl group and hyd-  razide group on adjacent carbon atoms, with  a diol and an aldehyde at 95-120‹C to form a polyamic acid which is then heated above 120‹C to give a polymer containing cyclic hydrazide groups. For example, from pyromellitic dihydrazide, CH 2 O and a diol HOROH are obtained a polyamic acid of unit and a final product of unit In Example 21 titanium is coated with a solution in N-methyl pyrrolidinone of the cyclized polymer from pyromellitic dihydrazide, 1:5-pentanediol and formaldehyde. A rigid foam is prepared by dipping a polyamideimide foam onto an N-methyl pyrrolidinone solution of the cyclised polymer in example 19.
Patent GB-108482-A (GB)
Title: Improvements in Electric Batteries.
IPC: H01M4/06
Filed: 1917-07-27
Abstract: 108,482. Syndicaat Graamans' Patent, (Assignees of Graamans, C. A. R.). July 29, 1916, [Convention date]. Electrodes.-The manganese block 3 of a LeclanchÚ or dry cell is made in two or more parts held together by a fabric covering or bag 6 which is sufficiently long to embrace both ends of the block; insulating end plates 7, 8 of larger diameter than the block keep the fabric 6 and the sections of the block in position and have circumferential notches through which a string 10 passes. The block is preferably cut into sections obliquely as shown in Fig 3 and has a hole to receive the carbon rod 1 which is removable. The plates 7, 8 are preferably dished and may be extended and provided with an opening to receive a zinc rod, or separate plates may be used for this purpose. The sections of the block may be hollow and filled with manganese dioxide &c. The dry cell shown in Fig. 6 has an electrode 1, 3 surrounded by a layer 14 of electrolyte mixed with sawdust, gypsum, &c. and containing a perforated zinc cylinder 15. The bottom of the cell has a recess 21 to receive the carbon rod 1, the upper end 18 having a stopper 20 or a recess containing rubber or other packing-material surrounding the carbon rod.
Patent GB-248954-A (GB)
Title: Smokers' pipe
IPC: A24F1/16
Filed: 1925-04-27
Abstract: 248,954. Schock, A., and Singer, K. April 27, 1925. No Patent granted (Sealing fee not paid). Tobacco pipes.-A tortuous-passage type of smoke-cooling device for tobacco pipes comprises a cylinder 1 having axially bored terminal spigots 8, 5 engaging respectively the bowl and the mouthpiece. The bores 10, 6 of the spigots 8, 5 communicate with cross passages 11, 7, opening at each end into annular grooves 4, 3 in the curved surface of the cylinder 1. This curved surface is also formed with a serpentine groove 2 the opposite ends of which communicate with the annular grooves 4, 3. The grooves 2, 3, 4 are closed by a casing 12 on the cylinder 1. The spigot 5 may be formed integrally with the mouthpiece.. Specification 4138/05 is referred to.
Patent GB-800175-A (GB)
Title: Improved means for the transport of hop-plants and the like by use of an agricultural tractor
IPC: A01D46/02
Filed: 1956-04-10
Abstract: 800,175. Pallets for handling loads. STRETTLE, J. April 10, 1957 [April 10, 1956], No. 10896/56. Class 78 (4). A pallet for carrying hop bines and the like has an inclined platform 10 carrying a number of guide posts 20 which serve to hold the bines disposed alternately right and left so that they do not become entangled. Two guide posts 20 may be disposed down the centre line of the platform 10 or three may be provided as illustrated. The platform 10 is supported by runners 11 of steel or light alloy tube braced by angle-section posts 15, 16 and by transverse tubes 14 and angle-section members 17. The platform 10 has side walls 22 and an inclined lower end wall which does not show in the drawing.
Patent GB-483422-A (GB)
Title: Improvements in or relating to thermally operated electrical indicating or measuringinstruments
Filed: 1937-04-16
Abstract: 483,422. Thermal meters. CORBIN, T. W. April 16, 1937, No. 10899. [Class 37] The heating element or elements of a thermal measuring instrument is or are connected to the load or other circuit to be measured through a readily saturable iron-cored transformer whereby the current through the heater is limited when excess current flows in the transformer primary. Fig. 4 shows, for example, a threephase supply RYB in which a current transformer m energizes the coils n of a relay which upon overload close a tripping circuit at o for the supply circuit breaker, a thermal maximum demand meter I being connected through a current limiting transformer e in one or each phase of the safety circuit as shown. The transformer e may be housed within a flange c<1> extending from the base c of the maximum demand indicator I, and secured by a screw g and wooden washer f. Terminals i mounted on an insulating block j are connected to the transformer primary winding, the secondary terminal leads passing through bushes in the base c to terminals d for the heating elements a supported on an insulating block b and adjusted relative to the heat-sensitive element l by a screw k in the block j. Specification 370,543 is referred to.
Patent GB-237965-A (GB)
Title: Improvements in or connected with tube cleaning brushes
IPC: B08B9/04
Filed: 1924-05-03
Abstract: 237,965. Marriott, R. L. May 3, 1924. Bristles, fixing; wire brushes.- Each tuft of wire bristles 3 is bent so that when inserted in the tube adapted to be cleaned it bears with its outer curved surface against the wall of the tube and the end portion of each tuft, as viewed from the end of the brush, overlaps the main portion of an adjacent tuft. The bristles are secured in groups each passed through two oppositely-situated holes in the brush stem 1 to form two tufts, the groups being fixed by means of a stake 9 driven through the centre of the groups in succession. The stake in diameter is about two-thirds that of the bore of the stem 1 and may have a head to form a closure for one end of the stem, or the latter may be closed on to one end of the stake after assembly of the brush. The stem may be formed with a screwed end 5 and a hole 4 for a tommy bar to enable it to be fixed to am extension rod, or a separate plug with a screwed end and a hexagonal enlargement may be secured to the stem. According to the Provisional Specification lengths of wires soldered together at one end may be threaded through pairs of holes in longitudinal lines in the brush stem, the loops of wires so formed being cut after the wires are secured, and the wires being subsequently bent. Reference has been directed by the Comptroller to Specification 22596/04.
Patent GB-676834-A (GB)
Title: Improvements relating to hydraulic pressure transmission systems
IPC: G03F1/54
Filed: 1950-05-03
Abstract: 676,834. Hydraulic brakes. FIAT SOC. PER AZIONI, and BALDWIN, P. S. May 3, 1950 [May 4, 1949; April 21, 1950], No. 10925/50. Class 103 (i). In a master cylinder for hydraulic brakes, when the pressure is being supplied to the brake cylinders through connection 2, the connection 3 to the reservoir is sealed off by means of freely floating valve elements 4, 5, 6 located between the end of the cylinder and a stopring 9, which may be a spring ring of annular form. In the construction shown in Fig. 3, the valve element 4 is an elastic ring of smaller diameter than the cylinder bore, the ring 5 a metallic spacer element, and element 6 an elastic sealing ring having a convex outer surface of maximum diameter normally slightly greater than the cylinder bore. Located between element 4 and the stop-ring 9 is a cup-like thrustmember 16 having in its end a reduced bore of such size that when the piston 12 is operated to apply the brakes the resistance of the fluid to flow through the bore is such that the member 16 is moved and compresses the elements 4, 5, 6 sufficiently to seal off the reservoir connection 3. In Fig. 5 there is a plunger shaft 17 of smaller diameter than the cylinder bore and the thrust member is in the form of an axially-bored piston 25. Fig. 7 shows a similar arrangement with a normal size piston 12 and in both Figs. 5 and 7 the pressure-fluid passes out of the brake cylinder connection 2 without having to pass through the restriction in the thrust member.
Patent GB-1175515-A (GB)
Title: Improvements in or relating to Microscope Drive Mechanisms
Inventor: HALL KENNETH FRANK
IPC: G02B21/26
Filed: 1966-03-12
Abstract: 1,175,515. Linkwork; securing elements on Shafts. W. WATSON & SONS Ltd. 10 March, 1967 [12 March, 1966], No. 10988/66. Headings F2K and F2U. [Also in Division G2] A mechanism for moving a part 1 of a microscope relative to another part 3 comprises two flexible non-extensible tapes 8, 9, e.g. of stainless steel, each secured at one end to a shaft 7 rotatable in the part 1, the tapes winding on to the shaft in opposite senses, and one or both tapes being secured to the part 3 away from shaft 7, so that rotation of the shaft moves the part 1. The tapes may be tensioned by a leaf spring (27) (Fig. 5, not shown) on one end of the part 3, or by a two-arm spring 29 (Fig. 4), the tape 8 passing under a pin 30 carried by the spring. Alternatively the tapes may be secured to respective parts 7a, 7b of shaft 7 which are angularly adjustable one relative to the other. The part 7b is frictionally secured to the shaft by a screw 20, (Fig. 3) and the end 18 of the shaft may be axially split and countersunk so as to be expanded radially by the screw. In Fig. 2 (not shown), the other ends of the tapes are secured for opposite winding on to a second shaft (11) also rotatable in the part (1) and one tape is secured intermediate its ends to the part (3). In a modification for vertical movement, the moving part is secured to one tape and a spring, arranged to counterbalance the weight of the moving part, is attached to the other. In Fig. 6, a microscope slide (not shown) held by spring clamps 46 on a bracket 45, is movable in two directions at right angles to position it over the microscope platform 32. A frame 33, 34, 35 is bolted to platform 32 and mounts a bar 3 and rods 2, 2a. An L-section beam 1 slides on the rod 2 and the rod 2a is slidably gripped between a nylon screw 42 and a vertical limb of a bracket 10 on the beam 1. Rotation of a knob 5 on shaft 7 moves beam 1 relative to the bar 3. The bracket 45 is slidably supported by an arm 43 projecting at right angles from the beam 1 blocks 60-63 on the bracket slidably gripping a rod 64 secured in the arm 43, and nylon pads 47, 48 engaging an edge 49 of arm 43. A tape 58 passes round pulleys 52, 57 in the arm 43 and is connected by a plate 59 to bracket 45. Pulley 57, which may be rubber coated, is turned by a knob 5b to move the bracket 45. Vernier scales are provided.
Patent GB-1201861-A (GB)
Title: Method of producing semiconductor devices
Inventor: HYDE ROBERT JAMES
IPC: H01L21/00
Filed: 1968-03-07
Abstract: 1,201,861. Etching. STANDARD TELEPHONES & CABLES Ltd. 7 March, 1968 [No. 11050/68. Addition to 1,195,259. Heading B6J. [Also in Divisions G2-G3 and H1] Semi-conductor devices are prepared by the method of Specification 1,195,259, using a composite master having thereon the auxiliary blocking out patterns as well as the patterns for forming the different areas of the devices. The devices may be formed on germanium coated with glass, the glass being etched with ammonium bifluoride.
Patent GB-796115-A (GB)
Title: Tool for driving wire coil screw thread inserts
IPC: B25B27/14
Filed: 1956-04-12
Abstract: 796,115. Screw-sockets. HELI-COIL CORPORATION. April 12, 1956 [May 25, 1955], No. 11149/56. Class 89(1) [Also in Group XXII] A screw-thread is formed in a bore 51 in a nut or boss 50 by forcing into the bore, (Group XXII), a wire-coil 53 having a cross-section composed of inner and outer triangular-portions 54, 55, and a rectangular-portion 56 on which the triangles are erected. The inner triangular-portion forms the screw-thread and the outer triangular-portion bears against the wall of the bore to provide a high frictionalresistance to axial and peripheral movement. The intermediate rectangular-portion provides surfaces with which the coilconvolutions can bear upon one another and take up the axial thrust applied for pushing the coil into the bore. The coil may be contracted before insertion into the bore 51.
Patent GB-647099-A (GB)
Title: Cam followers for telephone and like contact springsets
Inventor: CLARK GORDON COCHRANE
IPC: H04M19/02
Filed: 1948-04-22
Abstract: 647,099. Cam tappets. JONES & CO. (ENGINEERS), Ltd., W. April 22,1948, No. 11157. [Class 80(iii)] [Also in Group XXXVII] A cam follower 10 carried by a contact springset, part of which is shown at 3, comprises a cylinder of glass or tungsten carbide arranged in a recess 4 in a holder 1 and urged outwardly into engagement with the cam (not shown) by a leaf spring 9. The follower is retained in the holder by lips 7 which are bent over the recess after the follower is inserted. The pressure exerted on the follower by the spring is preferably six times that exerted by the cam, so that the follower does not rotate during use, but may be moved by hand when it is worn.
Patent GB-978674-A (GB)
Title: Improvements in and relating to halogenated dicarbonates
IPC: C07C271/06
Filed: 1963-03-21
Abstract: The invention comprises 2-chloroalkyl-2-alkyl-1, 3-propanediol dicarbamates. These compounds may be prepared by (a) reacting the corresponding diol with phosgene to form a chlorocarbonate and treating the latter with aqueous ammonia, or (b) effecting an ester interchange of the corresponding diol with an alkylurethane in an anhydrous solvent and in presence of an aluminium compound.
Patent GB-1175896-A (GB)
Title: Control System for Stepping Motor
IPC: H04L13/04
Filed: 1967-03-10
Abstract: 1,175,896. Control of stepping motors. INTERNATIONAL BUSINESS MACHINES CORP. 10 March, 1967 [28 March, 1966], No. 11271/67. Heading H2J. [Also in Division H3] A stepping motor, e.g. driving the carriage of a printer, is supplied with a predetermined number of pulses at a variable, e.g. steadily increasing, frequency. The pulses are produced by a relaxation oscillator controlled by the voltage on a capacitor which is charged at an adjustable rate (Fig. 2, not shown) and are supplied to a counter having outputs connected to A, A, B, B to sequentially switch transistors T9 ... T12 supplying the halves of motor phase windings A and B. At a predetermined count, e.g. six, two further pulses, delayed 1.6 and 2.6 ms. respectively, are sent which, due to their delay, have a braking effect on the motor. The pulses then cease and the circuit to ground is opened at transistor T13 by a "pedestal drive" signal derived from logic circuits (Fig. 1, not shown). D.C. then flows through whichever phase is energized from + 48V. to + 38V. through diode D1 or D2 to "lock" the motor. A signal is generated (at 65, Fig. 1), when the motor is running and indication is given if this is absent when it should be present.
Patent GB-1514702-A (GB)
Title: Method of purifying alkylphenols
IPC: C07C37/84
Filed: 1977-03-17
Abstract: 1514702 Purification of alkylphenols STERLITAMAX OPYTNO PROMYSH NEFTEKHIMISCHE ZAVOD and NOVOKUIBYSHEV FILIAL GIPROKAUCHUKA 17 March 1977 [17 March 1976] 11313/77 Heading C2C A method of purifying an alkylphenol from impurities contained therein, comprises effecting continuous crystallization of alkylphenol fed at a rate of from 0À12 to 0À31 hr<SP>-1</SP> and washing the resulting crystals in a layer formed by the said crystals and moving downwards at a rate of from 0À1 to 1À0 hr<SP>-1</SP>, washing being performed with a solvent inert towards alkylphenol and moving in counterflow to the crystals at a rate of from 0À09 to 0À35 hr<SP>-1</SP>, and wherein the said washing is carried out in a washing element in the form of a vertical tube in which the crystals of alkylphenols are maintained in the form of a movable bed, the dimension of the same vertical tube being such that the ratio of the height of the moving layer of the crystals to the diameter of the crystal bed is at least 3.