baber/WOPTO huggingface dataset:
Patent GB-833502-A (GB)
Title: Improvements relating to railway turntables
Inventor: BOYD JOHN
IPC: B61J1/04
Filed: 1956-07-03
Abstract: 833,502. Turntables. BOYD & CO. (ENGINEERS) Ltd., J. Sept. 30, 1957 [July 3, 1956], No. 20563/56. Class 104 (2). In a railway turntable of the type accommodated in a circular pit and including a long bridge-like girder structure 3 which extends across the pit and is supported at the ends thereof by wheels 6, 7 running on a circular track on the base of the pit near its periphery the wheels 6, 7 are journalled in bearings on the underside of pairs of brackets 8, 10 and 9, 11 secured to opposite sides of the girder structure 3 and braced by low-level tension members 14 and 15 extending between the brackets 8, 9 and 10, 11 of each pair. One wheel 7 is driven through gears 29, 28 by an intermediate, off-set shaft 27 in turn driven by an electric motor 22 through a fluid coupling 23, a combined brake drum and flexible coupling 25 and a pinion and gear-wheel enclosed in a casing 26. The driving motor 22 and associated driving equipment are radially aligned and mounted on a framework 20. The off-set shaft 27 is journalled in bearings 19 mounted on brackets 9 and 11. Specification 787,503 is referred to.
Patent GB-919167-A (GB)
Title: Improvements in or relating to pulse amplitude modulated signal transmission systems
IPC: H03H7/01
Filed: 1959-06-16
Abstract: 919,167. Pulse multiplex switching systems. TELEFONAKTIEBOLAGET L. M. ERICSSON. June 16, 1959 [June 18, 1958], No. 20651/59. Class 40 (4). [Also in Group XL (b)] In a switching system in which signals are interchanged over a multiplex highway, between storage devices associated with signal sources via low-pass filters, the filters comprise a substantially (though not exactly) symmetrical pinetwork preceded by a series-connected parallelresonant circuit. As shown, signals from a source R are applied via a repeatedly pulsed switch K to a pulse highway for energy transfer to other such circuits (denoted symbolically by Z), interchange of energy taking place between delay circuits DL having a delay equal to half the pulse duration. The resonance frequency of the series circuit L 1 C 1  should lie between 0.5 and 0.55 times the pulse repetition frequency. The resonance frequency of the pi-network C 2 L 2 C 3  should be less than half and preferably about 0.4 times the pulse repetition frequency. The Specification shows that such a circuit gives an improved pass band characteristic and is also effective to attenuate lower side bands of the pulse repetition frequency. Specification 737,417 is referred to.
Patent GB-1056591-A (GB)
Title: Welded pipes or tubes
Inventor: GROVES JOHN CREED
IPC: B21C37/12
Filed: 1962-05-29
Abstract: 1,056,591. Making helically seamed tubing. AVICA EQUIPMENT Ltd. May 24, 1963 [May 29, 1962], No. 20712/62. Headings B3A, B3E and B3R.  A machine for forming helically welded pipes or tubes of strip material comprises a mandrel having a rotatable portion around which the strip is fed, a raised shoulder fixed in position around a portion of the mandrel and extending for one helical turn, welding means positioned to weld the leading edge of the strip to the previously formed tube at the point where it contacts the trailing edge of the tube and drive means continuously to rotate the tube in the direction to tend to cause the helical turns to tighten and to advance the tube through the machine. Strip is fed through side guides by rollers on to a rotatable mandrel 10, 12 with its trailing edge in contact with a fixed helical shoulder 6 extending for one turn around the mandrel.  Welding by fusion.-The leading edge of the strip is butt welded to the trailing edge of the tubing formed from the helical coiling of the strip by an argon arc torch 8, Fig. 3 (not shown), using shielded tungsten electrodes and supplying additional argon internally to protect the under weld from oxidization. An external argon diffuser shield shaped to follow the welded helix is provided to keep the weld in good condition by preventing external oxidization. A spring-urged copper shoe 18 between the two rotatable parts 10, 12 of the mandrel holds the edges of the strip together in alignment during welding and a spring foot 22, Fig. 3, is mounted above the shoe 18 to hold the strip down on to the mandrel on each side of the welding torch.  Tubing 11 thus formed is fed forwardly and held taut by an endless rubber lined belt 24, Fig. 3, driven through a pulley 27 set at an angle to the axis of the tube to cause the tubing to revolve and move forward horizontally over the mandrel part 12. The mandrel part 12 has a diameter slightly less than that of the part 10. The mandrel may comprise a freely rotatable solid copper member, Fig. 6 (not shown). The belt drive 24 may be replaced by a carriage 34, Fig. 7 (not shown), running on tracks 36 and incorporating a rotary drive for a spigot 38 engaging in the outer end of the tube 11. Means may be provided to preform the strip before it engages the mandrel to give it a lateral curvature of a radius equal to that of the tube to be formed.
Patent GB-1501563-A (GB)
Title: Biosynthesis of microbial insecticides
IPC: A01N63/50
Filed: 1976-05-19
Abstract: 1501563 Microbial insecticides CRC COMPAGNIA DI RICERCA CHIMICA SA 19 May 1976 20740/76 Heading A5E [Also in Division C6] In cultivating Bacillus thuringiensis or a related Bacillus in submerged culture with aeration to produce a microbial insecticide product containing spores of the Bacillus and crystalline endotoxin, early lysis of the cells otherwise caused by the aeration during the submerged cultivation before the end of spore formation is prevented by either or both of the following adjustments: (1) discontinuing aeration and temporarily carrying out the cultivation under anaerobic conditions e.g. for 3 to 6 hours from the twelth hour of cultivation, and (2) maintaining the pH of the culture medium in the range 6.3 to 7.0. The spore formation, with the liberation of endotoxin crystals is complete after 35 to 40 hours cultivation. The microbial insecticide product is freed from toxic, water-soluble exotoxin by dialysis and is then dried by conventional procedures (specified). Bentonite clay may be introduced into the product before the drying. The dehydrated product may be comminuted, if necessary.
Patent GB-1080873-A (GB)
Title: Improvements in or relating to fluid control valves
Inventor: COHEN ROBERT ERNEST
IPC: A47L1/08
Filed: 1963-05-24
Abstract: 1,080,873. Self-feeding brushes. L. COHEN, L. GLASS, G. MOSCO and M. DOWNS. April 23, 1964 [May 24, 1963], No. 20764/63. Heading A4K. [Also in Divisions B1 B7 and F2] In a valve for supplying liquid to brushes with hollow rubber stocks through which water or detergent solution can be fed to bristles e.g. in car, cattle and building washing, an inlet port 6 opens from a blind bore in one end of an elongated circular section body into a circumferential groove 26 thereof and may be shut off from or connected to either of 180 degrees apart outlet ports 7a, 7b, opening from blind bores in the other end of the body 5, by a longitudinal slot 14 in an inner sleeve 13 which is manually rotatable by the engagement of the inclined end 16 thereof with the internal shoulder 21 of an externally fluted 25 outer sleeve 17, formed by a short length of tube 27 pinned therein and sealed therewith by synthetic rubber "O" rings 23, 24. Water is fed either from outlet port 7b along tube 30 directly to the hollow handle 12 or stock of the brush, or from outlet 7a directly through a container 28 containing toroidal tablets 29 of detergents to discharge solution through an annular space 33 around the outlet tube 30 or, if the tube 30 fills outlet 32, down a groove on one side thereof. The liquid issuing from the brush may be aerated by air entrained from a groove 34 along the external threaded portion 35 of container 28. In an alternative embodiment, single inlet and outlet ports are provided directly connected by the longitudinal groove alone and relative axial displacement of the outer and inner sleeves is prevented by a circlip engaging opposed circumferential grooves in the members. The position of the valve is indicated by an index on the body related to marks on the sleeve 17.
Patent GB-199278-A (GB)
Title: Improvements in model sailing yachts and the like
IPC: A63H23/02
Filed: 1922-07-29
Abstract: 199,278. Vogel, H. B. July 29, 1922. Boats.-The hull of a model ,sailing yacht is formed of a single sheet metal pressing or stamping closed by a deck and fitted with a detachable keel, a wooden or other strut being provided between the deck and hull bottom. The deck c is secured to flanges b on the hull a and to tubes e' passing through the strut e. The tubes have their ends f turned over and receive rods m embedded in a lead keel k to which is fitted a wooden keel j. Keels j, of varied depth may be used and are fitted with eyes q, for the rudder p, the upper end of which is retained in a metal fork r by an elastic band s. The rods m are engaged by nuts n. The sails are, secured to the mast and spars by spring clips. The tubes e' may be dispensed with and the stiut secured to the hull by plugs.
Patent GB-1126278-A (GB)
Title: An improved animal feeding bowl
IPC: A01K5/01
Filed: 1966-05-11
Abstract: 1,126,278. Feeding bowl. R. V. SMITH and A. ENOCH. 8 May, 1967 [11 May, 1966], No. 20813/66. Heading A1M. The food container, 2, of an animal feeding bowl has a sloping top, 3, and is deeper at the back, 7, beneath the highest portion of said top than at the front, 6, and the floor of the container has a downwardly sloping front portion 8a and a horizontal rear portion 8b. The food container may be detachably fitted into an open-top casing, 1, the container having an external flange, 3, which rests on the rim portion, 6, of the casing.
Patent GB-670121-A (GB)
Title: Electron discharge devices and associated circuits
IPC: H03K4/28
Filed: 1949-08-10
Abstract: 670,121. Thermionic valves. RADIO CORPORATION OF AMERICA. Aug. 10, 1949 [Oct. 30, 1948], No. 20821/49. Class 39 (i). A screen-grid discharge tube for controlling deflection circuits in cathode-ray tubes has two further electrodes between anode and screen grid spaced transversely to the electron path and given a potential difference to produce a transverse field which materially alters electron paths and suppresses spurious oscillations generated during oscillation of the primary winding of the circuit. The tube 10, Fig. 1, has an anode 11, screen-grid 12, control grid 13, cathode 14 and beam-forming electrodes 19, 20. The anode circuit includes the primary 15 of a coupling transformer 16 supplying current to the deflection coils of a cathode-ray tube. A pulse or sweep generator 18 is connected in the control grid circuit. To prevent Barkhausen-Kurz oscillations when the anode swings negative during the damping oscillations of the fly-back period, the electrode 20 is connected through a biasing voltage, e.g. potentiometer 21, 22, to the cathode to which the other electrode 19 is connected directly. The consequent deflection of the electron beam inhibits oscillations. The biasing voltage is from 50 to 200 volts negative. In a modification, Fig. 2, the beam forming electrodes 19, 19A are each connected directly to the cathode and one or more auxiliary electrodes 23 in the form of rods or wires are connected to the biasing voltage. Alternatively the auxiliary electrodes are connected directly internally to the anode, e.g. as crossed wires inside a cylindrical anode and connected thereto at each end.
Patent GB-724367-A (GB)
Title: Improvements in or relating to hypodermic syringes
IPC: A61M5/24
Filed: 1953-07-28
Abstract: 724,367. Hypodermic syringes. BISHOP & CO., PLATINUM WORKS, J. July 28, 1953, [Sept. 15, 1952], No. 20891/53. Class 81 (2). In order to enable an ampoule syringe to accommodate ampoules of differing diameters, spring means within the barrel are adapted to centre the diaphragm end of the ampoule, in relation to the needle, and to permit movement of the diaphragm towards the needle. In one form the syringe barrel 1 encloses inwardly directed spring blades 15 which are joined together and held in the barrel by a common yoke. These are slightly curved transversely so that the end of the ampoule 13 is held centrally as it approaches the needle. In another form a conical coiled spring is attached to the needle end of the barrel so that the convolutions of the spring guide the ampoule to the central position as it is inserted, see Fig. 8 (not shown). The end cap 8 of the syringe, remote from the needle, is pivoted to the main body, to allow insertion of the ampoule, and the plunger rod 2 carries a spring- loaded guide member 11 having a conical recess in its inner face so as to engage the end of the ampoule and locate it centrally before the plunger is engaged with the piston stopper.
Patent GB-223014-A (GB)
Title: Improvements in the filling heads of bottle filling machines
IPC: B67C3/26
Filed: 1923-08-18
Abstract: 223,014. Smith, A. W. Aug. 18, 1923. Bottling.-Relates to bottling-machines of the counter-pressure type, and in which the bottle is filled under pressure, the gas supply being cut off and the gas return port' opened before the liquor is supplied, and in which a fixed disc with ports co-operates with an oscillating disc with ports to open and close the supply tubes. According to the invention, the stationary disc is formed with two concentric series of ports and a groove concentric with the ports, and the oscillating disc is formed with a radial and a tangential slot. As shown, the fixed disc A is formed with two seriets of non-central ports a - - a<5> connected respectively to the gas supply inlet b, liquor inlet b<1>, gas inlet and outlet b<2>, bottle liquor outlet b<3>, gas return port b<4>, and snift port b<5>. The port a<2> is situated in a circumferential groove a<6>. The oscillating disc C is formed with two non-central slots c<1>, c<2>, and is actuated by stationary rollers on the frame of the machine contacting with arms C<1> - - C<3>. A spring c bearing on a washer a<7> on the spindle A<1> keeps the discs in contact. In the initial position, all the ports are closed except the snift-port a<5>. The disc is then rotated by the arm C<1> so that the groove a<6> and slot a<2> connect the gas inlet b through the port a with the pipe b<2> through the port a<2>. The arm C<2> is then moved to close the gas inlet b and the slot c<1> connects ports a<1>, a<3>, allowing communication between the liquor inlet b<1> and the outlet b<3> ; at the same time the slot c<2> connects the gas return port b<4> with the pipe b<2>. When the bottle is full the arm C<3> returns the discs to the initial position. A disc or washer E with ports coinciding with those of the disc A may be interposed between the discs A, C. By alteration of the positions of the ports and by disposing the radial groove at an angle, the moving disc may be adapted to be constantly rotated.
Patent GB-261675-A (GB)
Title: Improvements relating to stentering machines
IPC: D06C3/00
Filed: 1926-08-26
Abstract: 261,675. Norton & Co., Ltd., Sir J. F., and Norton, D. G. Aug. 26, 1926. Tentering.-In a tentering machine wherein the acceleration and retardation of one of the clip chains necessary to effect the straightening of the weft threads is obtained by the use of known brake controlled epicyclic. gear trains, the two brake levers o, p are operated by solenoids or electromagnets r, s controlled from any part of the machine. The solenoids &c. are situated between the tail ends of the brake levers.
Patent GB-791405-A (GB)
Title: A process for producing the teeth of spur gears or the like
IPC: B23F5/14
Filed: 1955-07-22
Abstract: 791,405. Gear-cutting. HAKANSSON, J. July 22, 1955, No. 21254/55. Class 83 (3). A method of generating spur gear teeth consists in continuously moving a single doubleedged cutting tool 2, of a width less than half the pitch of the gear at the pitch circle, to generate one tooth surface and then, in a reverse movement, generating the other side of the tooth space with the opposite flank of the tool. The tool 2 is reciprocated on a slideway 26, adjustable angularly for helical gears. The work 20 is rotated through gearing 8, 10, 10<SP>1</SP>, 16, 15, 17, 22 and is traversed by gearing 8, 10, 101, 13, 14, 5, the connection of the gear 13 to its shaft being by way of a lost-motion connection adjustable according to the movement required to bring the work into correct relationship with the tool. Thus, at the point of reversal, the tool 2, Fig. 7, is moved to remove the portion indicated by a broken line from the flank F2.
Patent GB-1286400-A (GB)
Title: A combined key holder/casette and key fob
Inventor: WELTON DEREK EDWIN
IPC: A45C11/32
Filed: 1970-05-04
Abstract: 1286400 Keyholders WASO Ltd 19 April 1971 [4 May 1970] 21321/70 Heading A4G A keyholder comprises a moulded slightly resilient elliptical body 1, Fig.2, having walls 2, 3, 5, 8, 9 defining key-receiving slots 10-13, walls 2, 3, 5 carrying spigots 14-17 to pivotally mount keys. The keys are forced between the spigots, and pips 18 on walls 8, 9 frictionally retain the keys in their stowed position. The body may define two key-receiving slots (26, 27) Figs. 4-6 (not shown) in a common plane, the walls (21, 22) carrying a pair of spigots (28, 29 and 30, 31) at each end. The spigots 48, 50 and 47, 49, Fig.10, may be maintained in engagement by a spring clip 51; and the spigots may be chamfered. Alternatively, the spigots may be relatively inclined Fig.11 (not shown).
Patent GB-281376-A (GB)
Title: Improvements in or relating to means for holding cops, yarn packages and the like
IPC: B65H49/06
Filed: 1926-08-30
Abstract: 281,376. Wade, H., (Universal Winding Co.). Aug. 30, 1926. Creel arrangements. - The cop-supporting spindles 15 for use in a creel are formed with a lip 25 to engage a groove c in the cop-holder C. The spindles are carried by a yoke 2 clamped over a rod 4 of the creel frame by a U-bolt 9, the ends of the yoke 2 being formed as concavoconvex bearings 12 each of which receives the rounded butt-end 16 of a spindle 15. Each spindle 15 is hollowed at its under side 17 and is secured to the bearing 12 and a washer 20 by a bolt 22. The hole 13 in the bearing 12 is made larger than the bolt 22 to permit the spindle_15 to be set at different angles to facilitate unwinding.
Patent GB-237751-A (GB)
Title: Improvements in neckband formers
IPC: D06F71/26
Filed: 1924-09-10
Abstract: 237,751. Britsh-American Laundry Machinery Co., Ltd., (American Laundry Machinery Co.). Sept. 10, 1924. Shirt clamps and like holders for ironing- apparatus.-A pivotally-mounted clip is locked in position to clamp the neckband to a former by actuation of the member that subsequently adjusts the former to the size and shape of the neckband, and the clip is automatically turned about its pivot upon its release from locking engagement. The clip 14 is pivoted in a recess 13 in the stationary portion 7 of the former and is provided with a rearwardly extending pin 16 having a shouldered portion 27. The rear end of the pin is guided in an aperture 19 in a sliding member 20 and is encircled by a spring 28, one end of which bears against the apertured arm 17 of an L-shaped member 18, the lower end of the arm 17 being carried in a notch 29 in the sliding member. On lowering the clip from the position it occupies in Fig. 1 to that occupied in Fig. 4, the spring 28 rotates the member 18 clockwise about the notch 29, the aperture in the portion 17 coacting with the shoulder 27 to prevent retraction of the clip 14 until after the member 18 'has been depressed. Initial operation of cam lever 45 causes the member 20 to slide towards the left by an amount limited by the pin and slot 30, 31, thereby to increase the clamping effect of the clip 14. Subsequent operation of the lever 45 causes the sliding of member 6 with consequent adjustment of the members 7<1> of the former to the size and shape of the neckband. Rotation of the clip after release from locking engagement is effected by a spring 22 housed in the recess 13, Fig. 5, and engaging a projecting pin 21 carried by the clip.
Patent GB-1075634-A (GB)
Title: Electrolytic treatment of titanium surfaces
Inventor: MARSHALL WILLIAM ARTHUR
IPC: C25D5/38
Filed: 1963-05-29
Abstract: A process which prevents the formation of an oxide film on a titanium surface comprises etching the surface, rinsing the surface immediately after it has been etched with a rinsing solution containing complexing anions with which titanium forms a soluble complex which always remains soluble in the rinsing and plating solutions, and immediately placing the rinsed surface, with a film of rinsing solution retained thereon, in a plating solution and depositing a film of metal on the titanium surface by electrolytic action.  Tartrate, cyanide, citrate or ethylene diamine tetra-acetate anions may form the complexing anions.  The initial plating solution, which may be copper or nickel, may already contain said complexing anions before the introduction of the titanium surface.  The titanium is etched with concentrated hydrochloric acid having a specific gravity of about 1.8.  A noble metal such as platinum may be introduced into the etching solution, either in the form of a salt, or by insertion of a platinum electrode into the etching bath. Further layers of metal may be deposited upon the surface, e.g. chromium on nickel on copper, and finally the electroplated surface may be heat-treated at a temperature of 400-450 DEG C.
Patent GB-967077-A (GB)
Title: Rolling mill apparatus
IPC: B65G47/71
Filed: 1961-06-14
Abstract: 967,077. Rolling. MORGAN CONSTRUCTION CO. June 14, 1961 [June 24, 1960], No. 21453/61. Heading B3M. Rolling mill apparatus for directing mill product to two cooling beds alternately comprises a directing guide 11 pivoted at 21 for alignment with either of two vertically movable switch guides 12 and 13 and with troughs 14 leading to the cooling beds. Each switch guide has an upper surface 33, Fig. 7, and a lower surface 36 having an inclined vertical wall 35. As shown in Fig. 2, a bar b 1  has been directed by the guide 11 over the upper surface 33 of switch guide 12 and while it crossed this surface the guide 12 was lifted by means of hydraulically operated cams 43 and 44 to cause a second bar b 2 , immediately following bar b 1 , to move over the now raised lower surface 36 and be deflected by the inclined wall 35 to the other cooling bed. The guide 13 is lowered as guide 12 is raised and the directing guide is moved by an hydraulically operated block 24 to face the guide 13. This latter guide is subsequently raised while the bar b 2  is crossing it to direct the next bar to the other cooling bed.