baber/WOPTO huggingface dataset:
Patent GB-980246-A (GB)
Title: Mold forming apparatus and method
IPC: B22D13/10
Filed: 1963-05-22
Abstract: 980,246. Moulding machines. HERMAN PNEUMATIC MACHINE CO. May 22, 1963 [May 31, 1962], No. 20363/63. Heading B3F. A method of forming a mould in a flask comprises the steps of filling the flask with uncompacted mould-forming material, producing therein a cavity and at the same time compacting the mould material by drawing a tapered former through the flask. The former 3 attached to a rod 7 is initially located in a guide sleeve 5 attached to an end plate 4 of the flask 2. Pulling means attached to the rod draws the former 3 through the flask, the compacted material itself guiding the former when it leaves the sleeve 5. The former is tapered in respect to the rod axis in successive stages 14, 15 and 16 to a rear cylindrical portion 17 which provides the finished diameter of the mould. Alternative shapes of former are described indicating particular angles of taper suitable for different diameters of mould.
Patent GB-126913-A (GB)
Title: Improvements in and relating to Dandy and other Rollers provided with removable Covers.
Inventor: CLARK ROBERT WILLIAM
IPC: D21F1/46
Filed: 1918-12-10
Abstract: 126,913. Clark, R. W., Brown, C. W., and Buxton, G. H. Dec. 10, 1918. Dandy rolls.-The removable covers of dandy and other rollers are secured and maintained at the proper tension by the means shown in the Figures. The cover e is attached at its ends to rods f, f<1> which are passed through a gap c<2> in the perforated drum, and while one of the rods is held by fixed or resilient hooks g, the other one is connected by springs i to hooks j on a spindle l, the squared end m of which can be rotated by a key and which can be held in the adjusted position by a ratchet and pawl m<1>, n.
Patent GB-627381-A (GB)
Title: Improvements in and relating to two-stroke internal combustion engines
IPC: F01L7/12
Filed: 1947-07-29
Abstract: 627,381. Cylinders, valves and valve-gear. TWIN COACH CO. July 29, 1947, No. 20486. Convention date, Oct. 2, 1945. [Classes 7 (ii), 7 (iii) and 7 (vi)] In a two-stroke engine cylinder having inlet and exhaust ports 60, 64 at the same level, the exhaust ports are opened and the inlet ports are closed by the piston, but the exhaust ports are closed by a valve 20 and the inlet ports are opened by a valve 22. Rotary valves are shown comprising a hollow inlet valve supplied at one end, and an exhaust valve having a transverse passage and a cam for operating a fuel injector 91. By removing a plate 82 the inlet valve may be replaced by a valve similar to the exhaust valve. The valves are rotated in opposite directions at crankshaft speed by spur gearing at either end of the engine, whereby their direction of rotation may be reversed. Balance weights are provided on the ends of the valve shafts. A crescent-shaped piston head 96 which deflects the charge, enters the clearance space 50, and produces a compact combustion chamber adjacent the fuel injector 91. Cylinder liners are supported on flanges À26 so that the upper parts 28 are exposed to the cooling water flowing to the head jackets by passages 56. They are retained by screwed pins 32 and a space 46 allows for expansion. Specification 615,045 is referred to.
Patent GB-1153686-A (GB)
Title: Improvements in or relating to Visual Display Apparatus
IPC: G01D7/00
Filed: 1967-05-03
Abstract: 1,153,686. Slide projection apparatus. HONEYWELL Inc. May 3, 1967 [May 3, 1966], No.20533/67. Heading G2J. Visual display apparatus for inclusion in control panels for industrial processes comprises a slide projector 5, and a selector mechanism 14 with a plurality of inputs such that a signal applied to one of the inputs causes the projector to project a selected slide from a slide tray 8 on to screen 2 corresponding to that particular input. Fault sensing elements situated at different locations within the process, one for each input, provide the necessary signals, each signal also actuating a corresponding visual indicator in the array 3. Manual control buttons 4 are used to provide slide selection signals independently of the sensing elements for demonstration purposes. Fault indicating signals over-ride the manual control. The selector may be a stepping relay having a contact for each of the slides, all contacts being energized except for the one which has received a signal, the tray being driven until that contact is reached.
Patent GB-1007575-A (GB)
Title: Production of steel
IPC: C21C5/32
Filed: 1964-05-19
Abstract: <PICT:1007575/C6-C7/1> In a top-blowing process for the production of steel one or more jets of oxygen-containing gas are continuously or periodically blown on to the bath, the jets being caused to pulsate. Preferably two lances are used, the jets being in phase opposition to each other.  The pulsating jets may be used for the whole of the refining process, or for only a part thereof, the remainder being carried out in the conventional way.  As illustrated lances 2 are supplied by pipe 8 through rotary ball valves 4 which are out of phase and are driven by motor 7.  By-passes 5 ensure that the lance orifices are kept clear.
Patent GB-1035297-A (GB)
Title: Improvements in or relating to the production of cheese curd
Inventor: FOSTER HERBERT GILMAN
IPC: A23C19/05
Filed: 1964-05-20
Abstract: 1,035,297. Cheese curd. SWIFT & CO. May 20, 1964, No. 20782/64. Heading A2B. A continuous process for manufacturing cheese curd from milk comprises forming a flowing stream of milk, continuously adjusting the acidity of the milk by adding enough food acid to increase the titratable acidity of the milk by at least 0.015%, and adding a protectylic enzyme to form a coagulum of curd and whey. Suitable acids include lactic, citric, acid, hydrochloric, and phosphoric acid. The enzyme may be of animal, vegetable, or mold origin; rennet, pepsin, and mixtures thereof being preferred. Any of the normal starter cultures may also be added if desired, and also calcium chloride to strengthen the curd. Fig. 1 shows a suitable apparatus for the operation of the invention, wherein acidized milk in 14 is admixed with enzyme from 15 by mixer 16 in zone 11 and then passes through tank 10 assisted by paddle conveyer 31, 32, 33. The mass is heated by the passage therethrough of an electric current applied via electrodes 18. The curd leaves the tank at 22 and is withdrawn on a wire mesh conveyer, through which liquid may drain. The tank and paddles are constructed of some electrically insulating material.
Patent GB-165673-A (GB)
Title: Improvements in and relating to brick-kilns
IPC: F27B13/02
Filed: 1920-07-12
Abstract: 165,673. Jones, W. July. 12, 1920. Drawings to Specification. Multiple-chamber kilns.-Round brick kilns are connected by flues so that after the burning operation has been completed in one kiln the remaining heat can be utilized for drying green goods in another. The kilns described are of the downdraught type with central chimneys, and when four kilns arranged in a rectangle are employed the connections are such that any one can be put in direct communication with any other. Reference has been directed by the Comptroller to Specifications 16258/96 and 24247/01.
Patent GB-825223-A (GB)
Title: Improvements in or relating to article feeding mechanisms
Inventor: ADAMS DOUGLAS MORGAN
IPC: B25B23/06
Filed: 1956-07-05
Abstract: 825,223. Feeding nuts to a powered tool. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Oct. 4, 1957 [July 5, 1956], No. 20919/56. Class 78 (1). Nuts are fed from hopper 3 to recess 21 for use by pneumatic nut-screwing tool 1, the nuts being agitated by device 8 and falling down upper shoot 5 in edge-foremost position into lower shoot 6 (which bears a telescopic relationship to shoot 5) where they are released singly by escapement lever 28 as needed by the tool. The tool, having driving- bit 13<SP>1</SP>, is pressed down on to a nut in position by the operative, and this downward movement of the tool effects four things sequentially: one, it engages (by means of a cup 10) the roller 25 of lever 22 to displace end 26 thereof to free the path for the bit 13<SP>1</SP>, two, it engages roller 34 of lever 28 to allow the column of nuts in shoot 6 to fall till held by tip 32 of said lever 28; three, it engages rollers 19 of levers 16 to withdraw ends 20 thereof from beneath the positioned nut; four, bit 13<SP>1</SP>, having already engaged the nut, drives it home. When downward pressure on the tool is released, the subsequent movement of lever 28 releases the next nut to fall and be positioned by the said ends of the levers 22 and 16 which return to their original positions, ready for the next cycle of operations.
Patent GB-216405-A (GB)
Title: Improvements in or relating to hangers for hats or the like
IPC: A42B7/00
Filed: 1923-08-17
Abstract: 216,405. Bruce, W. E. Aug. 17, 1923. Attachments for hanging up; leathers or sweat bands.-The sweat band b is formed with an integral tab a adapted to engage a hat peg or hook. Normally, the tab extends towards the crown of the hat.
Patent GB-237124-A (GB)
Title: An improved pulsator for milking machines
IPC: A01J5/10
Filed: 1924-09-05
Abstract: 237,124. Millar, S. Sept. 5, 1924. Cow-milkers.- A pulsator for a milking-machine, comprises a spigot tap 2 that is situated between the overhead milk pipe 1 and the lower milk pipe leading to the teat cups. The tap is actuated by an arm 4 which engages in a forked lug clamped to a rod 5 reciprocated by an eccentric on a shaft in the engine rocm. A port 2<B> in the plug 3 by the oscillation of the spigot alternately opens and closes communication between the upper and the lower milk pipes, an air port 3<E> being opened to break down the vacuum in the teat cups when communication between the pipes is closed. A Jug 10 on the plug 3 serves as a guide in attaching the clamp 6 to the rod 5.
Patent GB-1152293-A (GB)
Title: Improvements in or relating to Mounting Arrangements for Semi-Conductor Power Devices
Inventor: MUSHAM JOHN ROBIN
IPC: H01L23/40
Filed: 1967-05-05
Abstract: 1,152,293. Semi-conductor devices. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 2 May, 1968 [5 May, 1967], No. 21032/67. Heading H1K. A semi-conductor power device such as a diode or thyristor 8 is mounted on a metal body 4 in thermally and electrically conductive relationship therewith, and the body 4 is mounted on an inner wall of a metal channel 1, e.g. of Al, isolated therefrom by electrically insulating material 7 which provides a low impedance to heat transfer between the body 4 and the channel 1. The insulating material 7 may be in the form of a thin sheet separate from the body 4 and channel 1 or a layer of plastics material adhering to either the body 4 or channel 1. As shown two metal bodies 4 are provided, each carrying a thyristor 8, and each bonded to the base of the channel 1 by hardened resin 13 which keys to projections 11 on the channel and to shoulders 12 on the bodies 4. The thyristors 8 are bolted to the bodies 4 using nuts 10 which become locked by the resin 13. Ribs 3, 5 on the channel 1 and bodies 4 respectively provide a large area of insulation 7 to facilitate transfer of heat. Printed circuit boards may be slotted into grooves 14 in the channel walls, and a cover may rest on shoulders 15.
Patent GB-1012748-A (GB)
Title: A new or improved multi-outlet connector
IPC: H01R4/48
Filed: 1963-05-27
Abstract: 1,012,748. Distribution boxes. G. F. PUCKERT-MONEY. May 12, 1964 [May 27, 1963], No. 21055/63. Heading H2E. A junction box comprises an insulating housing 2 and 3 in which is located a conducting element 12 having portions which can be connected individually to different electric components. The housing is formed in at least two parts, a base 3 and cover 2, the cover having slots 7 in its short sides and a slot 8 in one of the long sides. The base is formed with a groove to accommodate a fuse 16, and also receives a strip 12 which is located by lugs 19, and clamped in position by screwing lid 2 on to the base by screw 9. The strip 12 has a tab 13 positioned near one of the slots 7, a portion for engaging one end of the fuse and a plurality of parallel teeth 14 extending a short way through the side opening 8. In use, main connections are made to the tab 13 and to a tab 17 engaging the other end of the fuse, and individual components are connected to the teeth 14. In a second embodiment, Fig. 3 (not shown), the housing is circular in plan and the conducting strip is a metal annulus having a number of radially extending tabs, each associated with a clamping screw.
Patent GB-781125-A (GB)
Title: Piston sealing device
IPC: F16J9/00
Filed: 1955-07-21
Abstract: 781,125. Piston packing. GOETZEWERKE F. GOETZE AKT.-GES. July 21, 1955 [July 30, 1954], No. 21165/55. Class 122 (1). In a piston-packing arrangement comprising a resilient support ring 6 engaged in a peripheral groove 4a in the piston 4 and surrounded by a sealing ring 5 urged outwardly into contact with the cylinder wall by both the support ring and the pressure of the sealed gas acting on its inner surface, the sealing ring has a radial thickness less than that of the support ring and extends axially beyond the support ring. Circumferential grooves on the sealing ring 5 are engaged by corresponding ribs on the support ring 6 and gas leakage past the support ring is prevented by a packing ring 7. In a modification, Fig. 1 (not shown), the sealing ring is of L-section and its radial arm is supported in a groove in the support ring. In another modification, Fig. 3, the sealing ring 8 has three grooves in its inner surface engaged by the support rings 9 and tapers towards its free end. In a further modification, Fig. 6, the sealing ring 21 is engaged by two support rings 22, 23 housed in separate grooves in the piston, the groove nearer the gas pressure space being constructed so that gas can pass around the ring 22 to the inner surface of the sealing ring and the other support ring 23 being sealed in its groove by thin steel packing discs 13. The sealing ring may be coated with chromium on its sliding surface. The support ring and, preferably, also the sealing ring, are split rings.
Patent GB-610525-A (GB)
Title: Handle for pneumatic hammers
IPC: B25D17/04
Filed: 1945-08-20
Abstract: 610,525. Pneumatic hammers. DAMAN, P. C. M. Aug. 20, 1945, Nos. 21184,21185 and 21186. Convention dates, Dec. 23, 1943, March 14, 1944, and April 6, 1944. [Class 124] In a pneumatic hammer the transverse grip portion 4 of the handle 1 is resiliently supported upon one or both side arms 2, 7 of a U-shaped handle body through the medium of a bush 13 of rubber or like resilient material interposed radially between a pin 3 or bolt 15 on one part and the internal surface of an outer eye 4a or 14 on the other part. In the form shown in Fig. 1, the grip portion 4 is pivoted about the pin 3 to actuate the sliding rod 8 of a compressedair valve 9 controlled by a spring 10, a projection 5 and recess 6 limiting the movement of the grip portion. In a modification, the pivot-pin 3 is on the side arm 2. Specification 565,783 is referred to.
Patent GB-258997-A (GB)
Title: Improvements in school desks
IPC: A47B41/02
Filed: 1925-08-25
Abstract: 258,997. Forrest, W. J. Aug. 25, 1925. Inkstands; pen and pencil holders and retainers.- Desks having a tip-up top extending wholly over the framework and a locker beneath, are provided with a hole x in the top h giving access to an ink-well mounted in the corner of the locker on a block w. Pen and pencil holders d, s are mounted on both sides of the locker wall c<1>.
Patent GB-423780-A (GB)
Title: Portable conveying apparatus
IPC: B65G65/00
Filed: 1934-07-20
Abstract: 423,780. Screw conveyers. FULLER CO., Catasauqua, Pennsylvania, U.S.A.- (Assignees of Morrow, J. H. ; Hokendauqua, Pennsylvania, U.S.A.) July 20, 1934, No. 21258. Convention date, Aug. 11, 1933. [Class 78 (i)] In conveying-apparatus for finely divided materials of the kind described in Specification 396,600, the parts are so arranged that the apparatus will hang with the shaft 10 of the impeller screw 9 substantially vertical. The casing 5 of the screw terminates in a hood 6 which spans the inner halves of the feeding discs 7, 8. The periphery of each disc preferably is serrated at 71, Fig. 4, and formed with inclined surfaces 72 to break up the material and direct it to the upper surface. Slots 73 are formed in each disc by punching on three sides, and bending at the fourth side to form a scoop 74, Fig. 5. Each disc is secured to a shaft 43 by rivets which will shear if foreign objects are engaged. Worm gearing 42 connects each shaft 43 to a countershaft which is driven through worm gearing 37 by the screw shaft. The shaft 10 passes through the discharge elbow 14 and the upper part of the discharge section 13, and is reduced in diameter to carry bushings 24, 25 which are keyed to each other at 26, and the upper of which is keyed to the shaft by the lock collar and key 27. The distance between the terminal flight 11 of the screw 9 and the air ring 12 may be varied by inserting one or more washers 64 between the nut 63 and the lock collar and key 27. A dust sealing device is provided in a chamber 29 and comprises two stationary flanged rings 30, 31 and two rotating rings 32 pressed against them by a spring 33. A similar sealing device 36 prevents the escape of lubricant. The apparatus is suspended from a hook on a chain block by passing the hook through an eye on a bar attached to portions 60 of a flared hood 61 attached to the stator frame of the driving motor.
Patent GB-1428799-A (GB)
Title: Light attenuating apparatus for use in electrophotographic apparatus
IPC: G03G15/20
Filed: 1973-05-04
Abstract: 1428799 Light baffle XEROX CORP 4 May 1973 [5 May 1972] 21262/73 Heading G2H To prevent fogging of photo-conductive drum 10 by light from flash fuser 100, a copy member such as web 12 is passed through a light baffle 200, consisting of a housing with light-absorbing interior surfaces and light-blocking means within the housing to prevent light which enters the housing through its outlet from reaching the inlet. The web changes direction around a part of lightblocking means. Alternatively the copy member may be a sheet. Similar light baffles may be used in other environments in which a material is to be passed between a light sensitive station and a light emitting station.
Patent GB-714435-A (GB)
Title: Improvements relating to the dyeing or like treatment of yarn or thread packages, and to the drying of wet processed packages
Inventor: POLE ARTHUR SHELDON
IPC: D06B5/16
Filed: 1951-09-10
Abstract: <PICT:0714435/IV(c)/1> <PICT:0714435/IV(c)/2> In an apparatus for the liquid treatment of packages of yarn or thread in which the packages are mounted on hollow perforated spindles through which the treatment liquor is passed, a cover mounted on the spindle bears on the upper end of the package and is held in place by a locking member which is mounted in rocking relation to the cover and wedges the spindle to prevent its upward movement.  Figs. 1 and 2 show a package-treatment apparatus in which yarn packages 3 are mounted on a hollow perforated spindle 1 the inside surface of the yarn being supported by a spring 5 covered externally by a stocking 6 of open weave material.  The package is held in place by a cover plate 7 which has a central opening 8 and a locating boss 9 the underface of which bears on the top surface of the package 3.  A locking member comprises a ring 13 which is loosely mounted round the spindle 10 and is disposed in a housing 11 so as to hinge about an opening 16 whilst finger 15 is movable in a slot 18.  When during treatment the packages 3 shrink the fastening will adjust itself to the decreased length of the package but any tendency of the fastening to move upwards, e.g. under pressure of the treatment liquor is prevented by the locking ring 13 wedging against spindle 10.  When treatment is completed an upward flick of the finger 15 will release the fastening.
Patent GB-311990-A (GB)
Title: Printing devices
IPC: B41L47/02
Filed: 1928-07-23
Abstract: 311,990. Hubbard, H. E. July 23, 1928. Addressing and like machines; printing processes.-A printing-device for use in addressing and like machines comprises a frame 5 on which are removably mounted a number of separate printing-plate sections 9 - - 11 arranged one above the other and in edge contact, the frame being provided with retaining-means engaging the edges of the sections for holding them in correct relative position. As shown, the lower edge of the plate 9 is inserted beneath a bead 7; one end engages under a lip 12, and the other end engages under a lip 14' and abuts against a depressible stop 13. The plate 10 is secured on the frame by lips 15 - - 17 and by a depressible stop 18, and the plate 11 is secured by lips 19, 20, 21, 23 and a depressible stop 22, the lips and stops being stamped up from the frame 5. Each plate is inserted in the frame by sliding it endwise over the corresponding depressible stop and under the lips, the middle plate being inserted in the opposite direction to that of the other two. The plate 9 is cut away to clear the lip 17, the plate 10 to clear the lips 14<1>, 23, and the plate 11 is cut away so that the lip 16 may be separated from the lip 20 and also to clear a lip 31. A record card 29 is clipped on to the frame by means of lips 30, 31, an end stop 32, and a bead 6. An index tab 34 is placed in any one of a row of keepers formed on the frame behind the record card. Specification 313,788 is referred to.
Patent GB-823823-A (GB)
Title: Process for the preparation of mercaptans
Inventor: BENZIE ROBERT JOHN
Filed: 1957-07-05
Abstract: Aliphatic, including cycloaliphatic, mercaptans are prepared by reacting olefines with hydrogen sulphide in the presence as catalyst of a boron trifluoride/diethyl ether complex, preferably BF3.(C2H5)2O.  Preferably 1-30% b weight of the olefine of catalyst is used with reaction temperatures of 0-5 DEG  C.  Anhydrous conditions are preferred.  Elevated pressure may be used.  The mercaptan layer may be separated mechanically from the catalyst layer which may be recycled.  Alternatively, the catalyst may be decomposed with water and the mercaptan separated from the aqueous phase. Specification 602,238 is referred to.
Patent GB-629570-A (GB)
Title: Improvements in microscopes
IPC: G02B21/00
Filed: 1947-08-07
Abstract: 629,570. Microscopes. COOKE, TROUGHTON, & SIMMS, Ltd., and TAYLOR, E. W. Aug. 7, 1947, No. 21499. [Class 97 (i)] For fine adjustment a slide controlling the movement of an optical system, or part thereof, is resiliently urged in one direction and may be moved in the opposite direction by a flexible inextensible connection maintained in tension and operated by an operating head situated remotely from the slide. As shown, the microscope nose-piece 13 bearing objectives 14, 15 is on a slide 54 moved relative to the body 12, stud 53 on a lever 48 rotatable about transverse bearings 47, Fig. 2, and against which the slide is held by a spring 55. The lever 48 is rotated by a flexible inextensible tape 45 passing over a roller 46 and connected to a similar tape 36 attached to a cylindrical bore 35 integral with a sector 33 engaging a worm 31 rotatable by knobs 21. The tape is maintained in tension by a plunger 58, Fig. 1, spring-urged against the lever 48, rotation of the latter to move the objectives being effected through the worm and sector 31, 33. Coarse adjustment is effected by moving the stage 16. Specifications 467,926 and 525,970 are referred to.
Patent GB-418612-A (GB)
Title: Hand operated device for cutting wire, metal band, strip, and the like
IPC: B23D29/02
Filed: 1933-07-31
Abstract: 418,612. Severing bale-ties. CROOKS, W. C., 2, Rangoon Street, Crutched Friars, London, and ROSENBERG, F. J., 34, Sydney Road, Leigh-on- Sea. July 31, 1933, No. 21523. [Class 83 (iv).] In a device for severing bale-ties a shoe A is positioned to seat the tie upon a cutter E, and a lever I on a hinged member B is depressed to effect shearing by a cutter O. A projecting rim H on the hinged member holds the ends of the severed tie to prevent injury to the operator.