baber/WOPTO huggingface dataset:
Patent GB-864300-A (GB)
Title: Improvements in magnetic core storage devices
IPC: G06F3/08
Filed: 1957-12-23
Abstract: 864,300. Circuits employing bi-stable magnetic elements. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 23, 1957 [Dec. 31, 1956], No. 39887/57. Class 40 (9). [Also in Group XIX] A magnetic core storage device comprises a storage element of ferromagnetic material having first and second coercivity values respectively at first and second temperatures, energizing means operable to apply to said element a magnetizing field having a value between the coercive fields for said first and second temperatures, and means for selectively causing said element to assume one or other of said first and second temperatures. A magnetic core is described which is stated to have a hysteresis loop 36, Fig. 2, at room temperature and a loop 37 when at some higher temperature. Thus a magnetic field HC which at room temperature is too low to set the core in its state of positive polarization, is sufficient to effect this at the higher temperature. This principle of setting a core by a coincidence of what would normally be referred to as a halfwrite pulse HC, coincidental with a rise in temperature of the core is used in a matrix store and in a record card reading device, in both cases selective heating being caused by shining light on to selected cores. Core matrix, Fig. 5.-As shown each column of a core matrix is associated with a flash tube 71, 72, 73. A single bit is entered into the matrix by depressing a key 74 which causes the appropriate row-winding and column flash tube to be energized (the actual circuits not being described in detail) which results in the storage of a bit in the core at the intersection of the energized row and column. Record-card sensing. Fig. 8.-A record card is held in a bowed shape by a card holder 91 (Fig. 9, not shown), and is advanced, column by column, under an arcuate arrangement of cores 97. To sense a column a flash-tube 99 is energized coincidentally with the application of a half-write current to each core whereby every core corresponding to a hole in the card is set. The data in the cores is then transferred to punch controlling thyratrons (Fig. 10, not shown) to cause a duplicate to be punched. The primary card is then advanced to the next column. Specifications 735,586 and 772,270 are referred to.
Patent GB-1447582-A (GB)
Title: System for clamping the lid of a pressurized enclosure
IPC: F16J13/08
Filed: 1974-01-29
Abstract: 1447582 Toggles; reactor vessel closure COMMISSARIAT A L' ENERGIE ATOMIQUE 29 Jan 1974 [6 Feb 1973] 04114/74 Headings F2K and F2P A toggle actuated clamping system for locking the conical seating top plug 20 of the shell 22 of a nuclear reactor vessel comprises a number of clamping systems uniformly spaced adjacent the periphery of the plug 20, each clamping system comprises a pair of toggle arms 26, 28 formed with rolling surfaces each end and operated by hydraulic jacks 64, 54 such that they roll directly at their inner ends on each other and at their outer ends on flat parallel surfaces 32, 30 formed on the top of the plug 20 and on. the shell 22 respectively, the outer ends of the toggle arms having secured thereto toothed plates 34, 36 which are in mesh with toothed racks 38, 40 at the edges of the flat surfaces 32, 30 to ensure pure rolling of the toggle arms without sliding during operation, i.e. engagement or release of the toggle clamping systems. A plug 69 or adjustable nut assembly may be fitted behind the piston 66 of the jack 64 to lock and retain the toggle clamping system in the sealing position of the plug 20. The order of operating the toggle arms 26, 28 for engagement of the plug 20, the order being reversed for release, is illustrated in Figs. 4a, b, c (not shown), the upper toggle arm 28 being guided by a roller 50 on a cam support plate 52 and the lower toggle arm 26 being spring-biased at 44 towards the released position of Fig. 4a. By operating the upper jack 54, the upper toggle arm engages, via a stud 41<SP>1</SP> thereon, a stud 41 on the lower toggle arm 26 in the intermediate position of Fig. 4b. The lower jack 64 is then energised and the upper jack 54 released whereby the toggle arms 26, 28 are moved, i.e. rolled to the full clamping position of Fig. 4c in which the plug 20 is securely clamped and locked in the nuclear reactor shell 22.
Patent GB-876260-A (GB)
Title: Improvements in or relating to tractors
Inventor: MARINDIN ROBERT
IPC: A01B67/00
Filed: 1957-04-15
Abstract: 876,260. Tractor power-lift mechanisms; controlling vehicles. INTERNATIONAL HARVESTER CO. OF GREAT BRITAIN Ltd. Feb. 6, 1958 [April 15, 1957], No. 4124/61. Divided out of 876,258. Drawings to Specification. Classes 79(1) and 79(5). The subject-matter is as described in Specification 876,258 but the claims relate to the clutch release in the tractor drive which is operated hydraulically by fluid pressure in the power lift system under the control of valve means actuated by a draft-responsive member.
Patent GB-1490398-A (GB)
Title: Fluid pressure actuator
IPC: F16D65/22
Filed: 1976-01-21
Abstract: 1490398 Fluid-pressure actuators AUTOMOTIVE PRODUCTS Ltd 21 Jan 1976 [30 Jan 1975] 4127/75 Heading F1D A fluid-pressure actuator has an output rod 21 with a threaded portion which engages in a diaphragm support member 18 and is locked relative thereto by a grub screw 37 which abuts the end of the rod. This arrangement provides adjustment for taking up manufacturing tolerances. An annular plate 19 is provided between the member 18 and the diaphragm 14. Two parts of the chamber 11 are held together by a clamp 16.
Patent GB-1410834-A (GB)
Title: Vicinal glycol ester purification process
IPC: C07C69/02
Filed: 1973-01-26
Abstract: 1410834 Purification of vicinal glycol esters HALCON INTERNATIONAL Inc 26 Jan 1973 [26 Jan 1972] 4145/73 Heading C2C A process for purification of a C 1 -C 5  aliphatic hydrocarbon carboxylic acid ester of a C 2 -C 3  vicinal glycol, said ester containing organic halogen compound impurities predominating in at least one member of the group consisting of: and wherein: X is chlorine, bromine or iodine; Q is a radical selected from chlorine, bromine, iodine, hydroxy and C 1 -C 5  alkanoyloxy; and, R 1  to R 6  inclusive are independently selected from hydrogen and methyl with the total number of carbon atoms of R 1  plus R 2  being either zero or one, the total number of carbon atoms of R 3  to R 8  inclusive being an integer from zero to two, R 3  and R 4  not both being methyl and R 5  and R 6  not both being methyl; comprises the steps of: contacting said impurity-containing vicinal glycol ester with at least one metal compound selected from the aquobasic alkali metal compounds, aquobasic alkaline earth metal compounds, and compounds other than the halides of zinc, lead, cadmium, tin, mercury, silver, manganese, copper, nickel, cobalt, iron and chromium, the ratio of total equivalents of metal to total equivalents of halogen during such contact being in excess of 1 : 1; maintaining the ester in contact with the metal compound for a time sufficient to permit reaction between the metal compound and the organic halogen compound impurities; and, separating the vicinal glycol ester, having a reduced quantity of organo-halogen compound impurity, from metal compounds.
Patent GB-711824-A (GB)
Title: Improvements in or relating to circular knitting machines
Inventor: SHORTLAND ARTHUR
IPC: D04B9/00
Filed: 1952-02-18
Abstract: 711,824. Knitting -machines. MELLOR, BROMLEY & CO. Ltd: Jan. 22, 1953 [Feb. 18, 1952], No. 4301/52: Class 74(2) A cam system for a circular independent needle knitting-machine has a stitch cam 6 obliquely adjustable at the same angle as the operative edge 7 of the cam. The stitch cam and an associated guard cam 11 are fixed to a slide 12 which is slidable in a slot 13 in the wall of the cam box and is biased upwardly by a spring. An adjusting screw co-operates with a lug formed on slide 12 for initially setting.cam 6, and a lever controlled by a peg drum also bears on the lug to adjust automatically the stitch cam as required. The stitch cam may be reversible and differently. contoured at its ends so as to change the position of the knocking- over point when changing, for example, from a 2 x 2 to a 1 x 1 rib fabric.
Patent GB-573143-A (GB)
Title: Improvements in mercury electric switches
IPC: H01H29/22
Filed: 1942-04-01
Abstract: 573,143. Mercury switches. GENERAL ELECTRIC CO., Ltd., TURNER, H. C., and BUCKLE, G. W. V. April 1, 1942, No. 4362. [Class 38 (v)] A mercury, or other conducting liquid, switch consists of two conical vessels 1, 2, one inside the other, joined at their narrow ends. The inner vessel 2 is open at the top so that when the switch is tilted the liquid runs into the outer vessel, thus leaving contacts 6 unbridged, and when the switch is returned to its original position, the liquid returns slowly through the small hole 3 into the inner vesssel and remakes the connection. In a modification, Fig. 3 (not shown), three concentric contact rings in the outer chamber are bridged when the switch is tilted, the connection being broken after a time-delay when the switch is returned to its original position. The above two arrangements can be combined in a single switch.
Patent GB-138931-A (GB)
Title: Improvements in vacuum brake gear for railway rolling stock and the like
IPC: B60T15/54
Filed: 1920-02-12
Abstract: 138,931. Collett, C. A., and Dombal, L. de. Feb. 13, 1919, [Convention date]. Fluid-pressure.-A valve device for vacuum brakes comprises a casting or 'body a for attachment to the brake cylinder and having passages e, f for connexion respectively to the chambers of the cylinder below and above the piston. There is an unobstructed passage (indicated in broken lines) between the passage e and the train-pipe connexion d and a passage f<1> with a non-return valve o between the connexion d and the passage f. A pin q prevents the valve o from entirely leaving its seating. The hand-release valve comprises a conical valve h normally pressed on to its seating on the passage f by a spring i and adapted to be unseated by a handle n to permit air entering by a passage formed by a flat m on the valve stem to pass to the upper chamber of the brake cylinder to release the brakes. The seating p and valve o can be removed through the connexion d. The parts of the hand-release valve can also be readily removed when required. The brakes can also be applied and released in the ordinary way by admitting air to and exhausting the train-pipe. According to the Specification as open to inspection under Sect. 91 (3) (a) brass is not used in the construction of the valve device. This subject-matter does not appear in the Specification as accepted.
Patent GB-669549-A (GB)
Title: Making laminated sheets of dough
IPC: A21C3/02
Filed: 1948-02-16
Abstract: 669,549. Making laminated sheets of dough. OAKES, E. T. Feb. 16, 1948 [April 24, 1946], No. 4513/48. Class 87(ii) Dough is formed by rollers 11, 12 into a sheet S that is received by a continuouslydriven conveyer 14 and forwarded to an intermittently-driven conveyer 18. On conveyer 18 the dough sheet is cut by rotary cutter 26 into short lengths S<SP>1</SP>, S', S<SP>3</SP>, which are then deposited in overlapping relationship on to a continuouslymoving transversely-disposed slow-run ning conveyer 24. Whilst conveyer 18 is running, the leading edge 20 thereof is disposed in the advanced position A over conveyer 24. To deposit a short dough length resting on the end of conveyer 18 on to conveyer 24, conveyer. 18 is temporarily halted and the leading edge 20 is retracted from position R to position A, whereupon the dough length drops on to conveyer 24. The leading edge 20 is then advanced to position A, conveyer 18 starts running again and halts when another dough length is over conveyer 24; and so on. The stack of sheets on conveyer 24 is passed between gauging rolls, being thus rolled in a direction at right-angles to the original rolling direction. Flour is applied to sheet S by a device 25. This flouring device and cutter 26 may be coupled with conveyer 18 in such a manner that they operate only during the time when the conveyer is being moved. When conveyer 18 is stationary, a dough loop L forms between conveyers 14, 18. Fig. 2, (not shown), shows a drive for conveyers 14, 18. Rollers 11, 12 .may be those described in Specification 669,627.
Patent GB-914186-A (GB)
Title: Improvements in machines for making sausage rolls and the like
IPC: A21B5/02
Filed: 1960-02-09
Abstract: 914,186. Sausage &c rolls, filling. DE JERSEY, A. L. Feb. 9, 1960 [Feb. 11, 1959], No. 4561/60. Class 28 (1). [Also in Group V] Sausage or fruit-filled rolls are made by feeding a web 4 of paste on an endless conveyer 8 under a filling depositor 9 and passing the web to a second conveyer 10; the edges of the web overhang the conveyer 10 and are engaged by pairs of rotating shaping rollers 6 which fold the web around the filling, after which the web is fed to a sealer 12, where the edges are pressed together, and then to a cutter 13 where the web is cut into lengths which fall on to a conveyer 81 and are carried to an oven. The web is dusted with flour by brushes 20 flicking against a bar 21. The web thickness is determined by the adjustable spacing of upper and lower rolls 23, and the edges are trimmed by cutter discs 27.
Patent GB-193410-A (GB)
Title: Improvements in hose couplings
IPC: F16L33/24
Filed: 1923-02-16
Abstract: 193,410. Oden, J. M. Feb. 16, 1922, [Convention date]. Sleeve joints with screwed parts; joints with longitudinal pressure and with yielding outer part compressed.-In a hose coupling in which the hose L is expanded against a sleeve G screwed thereon by a tapering projection 5 on a body portion H adapted to be screwed into the sleeve G, a gasket 9 being positioned against a shoulder 8 at the base of the projection 5 and adapted to abut against the end of the hose, the thread of the sleeve G is interrupted by transverse slots 11 so as to form cutting edges to enable the sleeve G to cut its own thread into the hose. The slots 11, which terminate short of the gasket 9, are preferably formed prior to the cutting of the threads in the sleeve so as to form thread-cutting points 14, Fig. 3, and also backwardly-rounded corners 15 which allow the sleeve G to be easily removed, if desired. The threads are tapered as at 12 to provide for a gradual cutting of the hose thread.
Patent GB-713171-A (GB)
Title: Improvements in microscopy
Inventor: TAYLOR EDWARD WILFRED
IPC: G02B21/00
Filed: 1951-02-26
Abstract: 713,171. Microscopes. COOKE, TROUGHTON & SIMMS, Ltd. Feb. 26, 1952 [Feb. 26, 1951], No. 4630/51. Class 97(1) A microscope is so arranged that the imageforming light passes from the objective to the eyepiece by way of a concave reflecting surface which causes an image of the back focal plane of the objective to be focused between the surface and the eyepiece. The invention may be applied to a phase-contrast microscope. As shown in Fig. 1 the objective 2 forms an image 4 of the object 1 light from which is reflected by a semi-reflecting surface of a prism 5 to a concave spherical mirror 6 which forms an image 8, at unit magnification, viewed in the eyepiece 9. The mirror 6 also forms an image 7 of the back focal plane of the objective at which image the phase plate is located. A field lens may be placed adjacent the image 4 and a prism or reflectors may be placed between the image 4 and the beam-splitting prism 5 to allow the axis of the eyepiece to be inclined to that of the objective. P'olarizing means may also be employed in the system. In the modification shown in Fig. 6 light from the objective 2 is reflected by the surface 5d of a prism to form an image of the object 1 adjacent the concave spherical mirror 6, an image of this image being focused by a lens 8, after reflection at the surface 5e, for viewing by an inclined monocular or binocular eyepiece 9a or for photomicrography through a tube 10b. The mirror 6 forms an image of the back focal plane of the objective at the phase plate 7a. Polarization filters 14a, 15a may be provided to vary the contrast of the image for example as described in Specification 647,191. Specification 647,207 also is referred to.
Patent GB-870724-A (GB)
Title: Improvements in circular hose knitting machines
IPC: D04B15/82
Filed: 1960-02-10
Abstract: 870,724. Knitting-machines. STIBBE & CO. Ltd., G. Feb. 10, 1960 [Feb. 14, 1959], No. 4701/60. Class 74 (2). A two-feeder single rotary cylinder machine having a welt dial, is converted to a threefeeder machine by raising a slidably-mounted clearing cam 2 in the upthrow cam 1 of the second feed F2 and by introducing a stitch cam 5 into the system prior to the normal downthrow cam HC for returning the inoperative instep needles to a knitting level after reciprocatory heel or toe knitting. Three feeds F1, F2 and F3 are thereby provided. In addition, a jack cam 6 is introduced after the jack return cam JR beneath the first feed F1 so that needles which have been raised to splicing height at the first feed Fl by jacks influenced by jack cam RC<SP>1</SP> are also raised to splicing height by jack cam 6 at the second feed. To facilitate splicing at the second feed the normal clearing cam CC is withdrawn and a slidable clearing cam 4 is raised to clear the unselected needles at a lower level. The sinker action is modified to permit the third feed to be introduced.
Patent GB-468501-A (GB)
Title: Improved construction of squeegee
Filed: 1937-02-17
Abstract: 468,501. Handles. VELTMAN, S. Feb. 17, 1937, No. 4746. [Class 61 (i)] A squeegee 1 has a bent wire handle 5 with divergent parts 3 and extremities 4 driven into the head and an arm formed from a length of wire bent to provide legs 8 pivoted on the divergent parts 3 and having an eye 7 adapted to receive the thumb when the handle is held by the fingers. The device may be mounted on a pole by passing it through the loop 6 in the handle 5 and wedging it in the eye 7 of the arm.
Patent GB-997247-A (GB)
Title: Improvements in endless belt and drum type vacuum filters
Inventor: BALFOUR GERALD PETER
IPC: B01D33/00
Filed: 1963-02-05
Abstract: 997,247. Endless conveyers. STOCKDALE ENGINEERING Ltd. Feb. 4, 1964 [Feb. 5, 1963], No. 4750/63. Heading B8A. [Also in Division B1] In filtering machines in which an endless belt 3 has to be entrained over a rotating drum 1 (Figs. 7, 10), one or both edges of the belt are formed with beads 4 which engage guides 5. In Fig. 7, a rotary vacuum filter drum 1 dips into slurry in a tank 2 and picks up material which is then compressed between belt 3 and drum 1, scraper 18<SP>1</SP> removing solids from the drum, and some liquid being collected from belt 3 in trough 18. Compression rollers 15 and tensioning roller 13 are provided, and guide 5 comprises two curved rods 10 (Fig. 6), the bead 4 of belt 3 engaging the outer edges thereof. In Fig. 10, belt 3 itself is of filter cloth and uses vacuum drum 1 as a support, solids being removed from belt 3 as it passes over rollers 19, and a tank 20 being provided in which belt 3 is washed. Guides 5, in this case, are longitudinally slotted tubes (Fig. 9) in which beads 4 engage, with the rest of belt 3 extending through the slots. Beads 4 (Fig. 1, not shown) comprise tapes which are folded round rope or cord cores and then sewn along the edges of belt 3. The ends of belt 3 are secured together by two strips of fabric having slots which are arranged to interengage and are fastened by a transverse cord or wire (Figs. 1 and 2b, not shown).
Patent GB-837478-A (GB)
Title: Improvements in or relating to apparatus for determining the sulphur dioxide concentration in air
IPC: G01N21/78
Filed: 1957-02-12
Abstract: 837,478. Determining sulphur dioxide content of air. CENTRAL ELECTRICITY GENERATING BOARD, CUMMINGS, W. G., and REDFEARN, M. W. Feb. 12, 1958 [Feb. 12, 1957], No. 4754/57. Class 40 (3). To determine the sulphur dioxide content of air, it is supplied by a pipe 2 to the lower end of a countercurrent absorption column 1 to the upper end of which starch-iodine reagent is supplied from a reservoir 6. The colours of the reagent before and after passage through the column 1 are compared by passing it through cells 7, 8 between a lamp 9 and photo-cells 12, 13. Fluid flow meters 14, 15 are provided. Specifications 837,477 and 837,479 are referred to.
Patent GB-163771-A (GB)
Title: Improvements in or relating to stiffeners for the bottoms of trouser-legs
IPC: A41D1/10
Filed: 1920-02-18
Abstract: 163,771. Parnell, J. F. Groombridge-. Feb. 18, 1920. Stiffeners.-Ellipsiform stiffeners intended for insertion in the gutter formed by the upturned end of trouser-legs are constructed in two parts each of which forms A narrow end of the ellipse and has sides adjustably engaged with those of the companion part. As shown, the ends A, B have peaks A<3>, B<3> upwardly directed along the creases of the trouser-legs, and contiguous sides each provided with eyelets C and co-operating slots A for endways adjustment. In a modification, the two parts are formed of bent wire with a loop at the end of each side sliding on the adjacent side of the other part. The adjustable engaging means may comprise tongues on one part embracing the sides of the other part with projections on one part adapted to snap into holes on the other part.
Patent GB-394921-A (GB)
Title: Improvements in or relating to patterning mechanism for jacquard flat knitting machines
IPC: D04B15/70
Filed: 1933-02-18
Abstract: 394,921. Knitting-machines. STOLL, H. and STOLL, R., (trading as REUTLINGER STRICKMASCHINENFABRIK H. STOLL & CO.), Reutlingen, Wurtemberg, Germany. Feb. 18, 1933, No. 5076. Convention date, May 2,1932. [Class 74 (ii).] To reduce the number of jacquard cards required to produce a given pattern of fabric on a flat knitting-frame, cover-plates &c. 28, 29 are brought by hand or pattern mechanism over each card in turn to mask any desired number of perforation in the card. The plates are pivotally mounted on guide bars 9, 10 and are displaced by chains on sprockets such as 15. To move the cover-plates in the required direction clutches 25 of known type are coupled to the upper or lower runs of the chains. Each plate consists of several strips, the lower ends of which are hinged at 29a to be turned up out of the way. The chains and plates are adjustable relative to the cards by ratchet wheels and detents.
Patent GB-1380382-A (GB)
Title: Preparation of 3-fluoro-d-alanine
IPC: C07C227/32
Filed: 1973-02-01
Abstract: 1380382 3-Fluoro-D-alanine MERCK & CO Inc 1 Feb 1973 [3 Feb 1972] 5087/73 Heading C2C 3-Fluoro-D-alanine is obtained by reacting fluoropyruvic acid with an optically active D- amino compound forming the corresponding D-ketimine, reacting the latter with hydrogen or deuterium in the presence of a hydrogenation catalyst forming the corresponding N-substituted 3-fluoro-D-alanine, and catalytically hydrogenolyzing the latter to remove the N- substituent and form 3-fluoro-D-alanine or 2-deutero-3-fluoro-D- alanine. Suitable D-amino compounds are R(D)-phenyl glycine which forms corresponding intermediates 2-(D-α-carboxybenzylimino)-3-fluoro-propionic acid and N-(D)- carboxybenzyl) - 3 - fluoro - D - alanine, and D-α-methylbenzylamine which forms intermediates 2 - (D - α - methylbenzylimino) - 3- fluoro - propionic acid and N - (D - α - methylbenzyl)-3-fluoro-D -alanine.