baber/WOPTO huggingface dataset:
Patent GB-368963-A (GB)
Title: Improvements in circular knitting machines
IPC: D04B9/38
Filed: 1931-02-26
Abstract: 368,963. Knitting-machines. ROBINSON, J., 39, Wilmington Road, and COLEMAN, F. G., 19, Ellis Avenue, both in Leicester. Feb. 26, 1931, No. 6052. [Class 74 (ii).] The needles of a knitting-machine are selected for producing tuck-stitch or other patterns in stockings &c. by providing jacks beneath all needles except a group or groups Ng having butts of differing lengths. A jackmoving cam 1 is provided for moving the needles having jacks, and the jack-less needles Nt are then selected for forming the clock or other pattern. The invention is described in connection with a Scott and Williams Model " K " machine, and a jack J having a long butt Jb may be provided beneath each alternate needle for producing an inturned welt. The remaining needles N not in the group Ng have jacks J<1> with short butts J<1>b. The cam 1 is movable radially so as to engage all the butts Jb, J<1>b, the butts J<1>b, or none of them. Radially movable cams 12, 13 are provided for actuating the needles Ng, the cam 13 being a lowering cam which passes the needles it engages beneath the clearing cam 14. The depressed needles Ng are raised to tucking height by a cam 15 which can be raised about a pivot 15a prior to the formation of the inturned welt. The adjustment of the cams 1, 12, 13 may be effected through pivoted levers and sliding cam bars by a pattern drum, disc or chain.
Patent GB-297638-A (GB)
Title: Improvements in or relating to apparatus for making a spumous mass of cementitious material
IPC: B28C5/38
Filed: 1928-02-27
Abstract: 297,638. Hinton, G. B. Feb. 27, 1928. Porous compositions.- Apparatus for making a frothy mass from a mixture of cement, water, and a frothing flotation agent, comprises a tank 1 to receive the mixture, an air inlet 7 at the bottom of the tank, and a device, such as a rapidly rotating perforated disc 2, to break up the air into bubbles of substantially uniform size. The frothing agent is preferably one of the oils or organic acids commonly used in the flotation process. Sand may be added to the cement mixture. In a modification, the disc 2 is replaced by an horizontal cylinder rotating on its axis.
Patent GB-852946-A (GB)
Title: Wrapping for the preservation of fresh yeast
IPC: C12N1/04
Filed: 1959-02-23
Abstract: Fresh yeast is enclosed in a wrapper of impermeable plastic material which prevents entry of the atmosphere but is provided with means to permit carbon dioxide to escape from within.  The wrapper may be made of polyethylene, polyamide or polyvinyl chloride and is sealed but provided with a valve or the equivalent formed by a suitable fold in or pair of lips of the plastic material.
Patent GB-382513-A (GB)
Title: Improvements in and connected with the moulding and casting of hollow metal bodies
IPC: B22D13/10
Filed: 1932-03-01
Abstract: 382,513. Casting and moulding plant. CROAD, A. K., 70, Chancery Lane, London.-(Sand Spun Patents Corporation ; 200, 5th Avenue, New York, U.S.A.) March 1, 1932, No. 6206. [Class 83 (i).] Moulding - machines; flasks. - A ramming station for centrifugal casting plant has a ramming stool 10, with flask centring and supporting means 15, a supporting stool 48 to receive the stripped flasks from the casting- machine and a blacking stool 49. The flasks are transferred from the shake-out station to the stool 48 and from the stool 49 to the casting- machine (not shown) by the usual overhead crane. A flask 17 on the stool 48 is transferred by a jib crane 59 to the plate 15 which can be rotated by a motor 19 and has shoes 16, Fig. 2, to centre the flask, and a socket pattern 13. This is shaped to receive a pattern 23 which can be raised and lowered by mechanism 27, 28, Fig. 1, attachable at 26, Fig. 2. An annular hopper 32 is placed in position by a carriage 64 of a jib crane 62 and sand is supplied by conveyers 47, 45, Fig. 3, a hopper 40 with rotating bottom 42 and shoot 41 while pneumatic rammers 36 on cables attached to counter-weights 39 are operated. The hopper 32 has rollers to engage the flask 17 and its cone 33, Fig. 2, engages and centres the upper end of the pattern 23. This pattern is then raised by admitting pressure fluid to a space between a diaphragm 75 and a piston 74 having a rod 76 to engage the pattern 13. The flask is meanwhile held down by wedges 66, Fig. 1, moved by fluid pressure cylinders 71 to engage an annulus 67 thereon. The pattern 23 is then withdrawn by mechanism 27 and the flask transferred by a carriage 63 of the crane 62 to the stool 49 where blacking &c. is applied.
Patent GB-859988-A (GB)
Title: Delay line
IPC: H01P9/02
Filed: 1958-02-26
Abstract: 859,988. Delay lines. POLYMER CORPORATION. Feb. 26, 1958 [Feb. 28, 1957], No. 6228/58. Class 40(8). A delay line of the coaxial conductor type comprises a flexible core 3, a helical conductor 4, a flexible outer conductor, e.g. a braid 6, and a flexible tape 5 between the conductors, the tape or the core or both comprising ferromagnetic material dispersed in a binder. The assembly may be covered by rubber 7. The core 3 may also contain ferromagnetic material. A preferred material for the tape and core comprises 85 per cent or over (by volume) of carbonyl iron in a binder of polytetrafluoroethylene. An insulative phosphate coating may be applied to the iron particles before incorporation in the binder. The tape may be wrapped around the formed helix 4 or around the wire before the helix is formed. Specifications 837,198 and 837,199 are referred to.
Patent GB-608719-A (GB)
Title: Clip, especially for fixing gems and the like
IPC: A44C7/00
Filed: 1946-02-28
Abstract: 608,719. Spring clips. BULOW, H. V. Feb. 28, 1946, No. 6247. Convention date, Feb. 24, 1945. [Class 44] [Also in Group VII] A clip for attaching gems &c. comprises a rigid plate 1 and a movable jaw hinged to it consisting of resilient wire bent to form three loops b, c, the middle one b being oppositely directed and coacting with an up-turned edge 2 of the plate 1. The free ends a<1>, a<2> of the wire are bent into axial alignment and passed through holes in the lugs 4 on the plate being retained in position by the resiliency of the wire. The ends may be inserted from the inside (as shown) or from the outside.
Patent GB-881903-A (GB)
Title: Automatic pinspotter control mechanism
IPC: A63D5/04
Filed: 1958-02-26
Abstract: 881,903. Skittle alleys. AMERICAN MACHINE & FOUNDRY CO. Feb. 26, 1958 [April 4, 1957], No. 6252/58. Class 132(2) [Also in Group XL(b)] An automatic bowling pin-setting machine includes a detector for sensing the wobbling and the presence of each of the pins and for controlling the setting and scoring operations of the game. The wobbling produces an amplitude-modulated signal whereas the presence or absence of a pin varies the amplitude level of the signal. The detector may be photo-electric; or capacity or induction effects produced between capacitors or coils respectively in the pins and the alley floor may be used. Light reflected by pins 12 (Fig. 2) are sensed by a pinhole camera 10, one for each pin. Each camera 10 has two independent pin-hole plates one focusing the image of the pin through a saw-tooth mask 24 (Fig. 4, not shown) and the other focusing the general background illumination. A photo-multiplier to the rear of each camera face produces a signal, the two being fed to a difference circuit 32 giving the A.M. wobble signal and the LM presence signal. Presence amplifier 33 filters out the wobble signal and feeds the resultant to a pin presence relay 35. In a parallel circuit a low pass filter 34 allows the passage of the wobble signals through amplifier 36 and limiter 38 to a sharp cut-off amplifier 40 and controls a relay 42 which operates the pin-spotter when the relay is energized, i.e. when the wobble has ceased. The circuit diagram of the elements of Fig. 2 are given in Fig. 4 (not shown). Fig. 11 shows an impedance detector comprising a floor coil tuned by a capacitor and a coil 1002 in the base of the pin but protected by a thin insulating layer from wear and tear. A carrier signal of between 100 kc. and 2 mc. fed to the floor coil is modulated by pin wobble and increased in amplitude when the pin is knocked over. A similar capacitative transducer may be used (Fig. 13, not shown). Gutter ball switches are provided (Fig. 16, not shown).
Patent GB-594150-A (GB)
Title: Improvements in or relating to window pane wiping devices for vehicles, particularlymotor vehicles
IPC: F01L15/00
Filed: 1945-03-13
Abstract: 594,150. Compressed air engines. BAUMGARTNER, H. March 13, 1945, No. 6289. [Classes 122 (ii) and 122 (iii)] The pistons 10 11 of a windscreen wiper oscillate a disc va ve 31 controlling air supply to reciprocate a distributing valve 16 for the air supply to the pistons. A rack 8 between the pistons drives a segment 7 on the wiper shaft carrying adjustable tappets 47 which engage a projection 46 on the disc valve to move it at the eno of the piston stroke and so reverse the valve 16. A throttle valve 21 is, provided in the air supply to the oscillating valve. The wiper may be oscillated by a hand lever 6a. In a modification, Fig. 10, the valve 31 is oscillated by the segmental end 59 of a sleeve 58 which is angularly adjustable and secured to the wiper shaft.
Patent GB-452779-A (GB)
Title: Improvements in electric cables for the transmission of wide frequency bands
IPC: H01B11/18
Filed: 1935-02-27
Abstract: 452,779. Covering cores. STANDARD TELEPHONES & CABLES, Ltd., WESTON, W. K., NUNN, D., and FIELD, M. C., 63, Aldwych, London. Feb. 27, 1935, No. 6308. [Class 109] [See also Group XXXVI] A method of manufacturing an air-spaced coaxial conductor cable comprises extruding a material consisting of or comprising polystyrene in the form of a flexible rod, tube, tape, or filament, applying the extruded member helically about the central conductor to form the dielectric spacer of the cable, and applying an outer, tubular conductor around the dielectric spacer. The polystyrene material may be formed by polymerizing liquid styrene at a temperature of 115‹ C., or it may comprise a mixture of polymers polymerized at different temperatures, and the material may contain plasticizers, such as diphenyl or chlorinated diphenyl, or it may be mixed with rubber, with or without the addition of a plasticizer, such as a wax, which is imbibed by and swells either the rubber or the polystyrene. The spacer may be applied to the central conductor by extruding a thread of the polystyrene material directly upon the conductor, the conductor or extrusion due being rotated about the axis of the conductor in order to lay the thread helically about the conductor. In another construction, filaments of the polystyrene material, formed either by drawing down an extruded thread of the material, or by extruding a solution of the material in benzene through spinning nozzles and then evaporating the solvent, are braided into a tube, or are bunched together and surrounded by an outer lapping or braiding, to form the spacer which is then lapped helically about the central conductor. In a further construction the spacer is formed by winding an extruded thread into the form of a helical spring which is then lapped on the central conductor. The spacer, when in the form of a tubular braid, a helical spring, or a bunch of filaments may be provided with a lapping or braiding of polystyrene filaments, artificial silk, or textile material, and may be secured to the central conductor by a cellulose acetate or polystyrene lacquer. Fig. 7 shows apparatus for extruding a helix B of polystyrene on a conductor A. The conductor passes from a drum F to a take up drum L through guides I, I<1> between which is arranged a device J adapted to extrude a thread of polystyrene on to the conductor. The conductor, together with the drums F, L, is rotated about the - axis of the guides I, I<1>, so that the extruded thread is wound on the conductor. As shown in Fig. 8 the helix B is formed by rotating the extrusion die Q of the extrusion machine O about the axis of the conductor A which is advanced through the rotating member N carrying the die Q. A similar arrangement applied to an extrusion machine of the screw forcing type is described. Specification 417,929, [Group XXXVI], is referred to.
Patent GB-597096-A (GB)
Title: Improvements in electric discharge tubes
IPC: H05B41/22
Filed: 1945-03-14
Abstract: 597,096. Discharge lamps. LUMALAMPAN AKTIEBOLAG. March 14, 1946, No. 6376. Convention date, May 2, 1944. [Class 39 (i)] [Also in Group XXXV] A fluorescent electric discharge tube has at each end a coiled filament body divided into two halves, one functioning as a main electrode and the other as a starting electrode, and each starting electrode 2, 4 is connected to the opposite main electrode 1, 3, directly or indirectly as shown through a condenser, and the main electrodes connected to the current source through either a common choke or separate choke as shown. The main and adjacent starting electrode at each end of the tube are exactly alike as regards design and activation, and their functions may be interchanged to increase the life of the tube. The condensers included in the starting current circuits may be placed in the holders of the tube. The Specification as open to inspection under Sect. 91 comprises also the application of the circuit arrangements to embodiments having two auxiliary electrodes with a starting discharge between them adjacent each main electrode and the electrodes may be of the solid body type. This subject-matter does not appear in the Specification as accepted.
Patent GB-161795-A (GB)
Title: Improvements in or relating to expansible wire bracelets, armlets, garters and the like
IPC: A44C5/04
Filed: 1920-03-03
Abstract: 161,795. Lambourne, A. W. March 3, 1920. Bracelets, garters, and like bands.-The ends of an expansible coiled, spiral, or like spring wire bracelet, armlet, garter, or like band are connected together to form the circlet by the insertion into the ends of the spring of a member formed with one or more slots for engagement by inwardly bent ends of the wire forming the spring. The connecting-member, Fig. 3, is formed with a slot D with which the inwardly bent meeting ends B<1>, Fig. 2, of the coiled spring engage, the bends B<1> being formed either before or after the insertion of the connecting-member. As shown in Fig. 4, in addition to the bends B', the opposite sides of the coil may be bulged in at C, the connecting-member, Fig. 5, being formed on opposite sides with slots D<1>, D<2> to receive the bulges C and ends B<1> respectively. The connecting-member is U-shaped for securing, when the sides are tightly closed together, the ends of a limiting tape placed between them. In another form, the ends B<1> of the wire are not bent, and the connecting-member, provided with one wide or two narrow slots, is retained by two pairs of bulges formed in the sides of two coils adjacent the ends.
Patent GB-144398-A (GB)
Title: Improvements in the recovery of cyanogen from coal gas
IPC: C01C3/12
Filed: 1919-03-14
Abstract: Cyanogen compounds are removed from coal gas as calcium ferrocyanide by treating the gas in a lime purifier to remove sulphuretted hydrogen and carbonic acid, and then in the same purifier treating with slaked lime impregnated with a solution of a salt of iron such as ferrous sulphate.  The ferrous sulphate may be added to the lime in a tier of the lime purifier near the exit, and when the purifier is spent the material from this tier is leached or agitated with a dilute alkali to obtain alkali ferrocyanide.
Patent GB-266143-A (GB)
Title: Improvements in coding devices
IPC: G09C1/02
Filed: 1926-03-08
Abstract: 266,143. Guiterman, K. S. March 8, 1926. P r i n t ing - surfaces; holders for loose types and type-bars.-Printing- plates are adapted for the coding and decoding of messages by providing them with printing characters in the form of two different symbols arranged adjacent to one another on their face, one symbol being in cipher and the other being the translation thereof in clear text, a number of such plates being adapted to be secured in a frame to enable a coded message and its translation to be printed simultaneously in adjacent columns. The plates 11, Figs. 2 and 3, which may be of wood, metal, or indiarubber, have attached to their underside a metal strip 10 with the symbols cut or embossed thereon, and the plates are provided with lateral ears or lugs 12 for engagement within grooves 9 in the longitudinal sides 7 of a frame A of wood or other material. The lower faces of the grooves 9 are preferably provided with a yielding pad of indiarubber, felt, &c. The assembled plates are secured in position in the frame by a removable clamp 13 held by screws 14. After inking the faces of the blocks pressure is applied upon their backs, for example by a roller 15, to print upon a sheet C.
Patent GB-178269-A (GB)
Title: Improvements in or connected with motor vehicle bodies
IPC: B62D29/02
Filed: 1921-02-26
Abstract: 178,269. Charlesworth Bodies, Ltd., and Steane, C. Feb. 26, 1921. Seat bottoms and backs.-The seats of a motor vehicle are formed with backs comprising a frame d covered with three-ply wood e. A cushion h is provided, and the back may be padded. The seats are mounted on rubber buffers and are adjustable by bolts k working in slots i.
Patent GB-540490-A (GB)
Title: Improvements in and relating to pipe couplings
IPC: F16B7/18
Filed: 1940-04-10
Abstract: 540,490. Pipe joints. MELSOM, W. A., and BOWDEN (ENGINEERS), Ltd. April 10, 1940, No. 6501. [Class 99 (i)] In rotatably securing a nut 1 to the insert 4 of a hose coupling a rod 9 of a metal such as mild steel, brass, gunmetal, aluminium bronze, or phosphor bronze is forced into a passage formed by annular grooves 6, 7 in nut and insert through a hole 8 in the nut, the insert acting as a fulcrum to bend the rod, the end portions of the rod remaining straight. The nut and insert have a clearance, the insert moving within the nut from the position shown in Fig. 4 to that shown in Fig. 3 as the rod is introduced thus varying the fulcrum point. The rod has a slight clearance in the hole 8 and has an end of spherical or conical form or of conoidal form curved to fit the curvature of the groove 6. The cross-sectional contour of the grooves is described by a radius struck from a common centre midway of the clearance between the insert and the nut when they are concentric. The groove 6 may be of considerable width so that the nut may move axially on the insert.
Patent GB-546256-A (GB)
Title: A new and improved composition for the prevention and fire-proofing of wood, timber and other materials
IPC: B27K3/32
Filed: 1942-02-25
Abstract: 546,256. Preserving and fire-proofing wood. GUNN, G. Feb. 25, 1942, No. 6508/41. [Class 140] Wood and fibrous material such as jute is preserved and fire-proofed by impregnation with an aqueous solution of a bichromate, e.g. sodium bichromate, copper sulphate, zinc chloride and boric acid. The solution may be applied by brushing; by steaming and subsequent immersion in the said solution or by rotating a cylinder containing the wood, sucking the solution into the cylinder and then applying pressure. Specification 425,781 is referred to.
Patent GB-667642-A (GB)
Title: Improved method for the preparation of benzene hexachloride
IPC: C07C17/02
Filed: 1950-03-15
Abstract: The process of Specification 653,364 is carried out continuously at 5-40 DEG  C. under a superatmospheric pressure of 10-30 pounds, the moving reactants being maintained under these conditions for at least 10 minutes; the mixture of benzene hexachloride isomers is separated from the halohydrocarbon used and the latter recycled with fresh benzene to the reaction zone; chloroform is specified as an additional halohydrocarbon that may be used, and an organic peroxide catalyst is essential.  An example is given of the process, using methylene chloride and benzoyl peroxide.  Suitable apparatus is shown and described.
Patent GB-724207-A (GB)
Title: Manufacture of epoxy-butane
Inventor: MILLIDGE ALFRED FRANK
Filed: 1953-02-17
Abstract: 2,3-Epoxy butane is obtained by a process comprising oxidizing a mixture of normal butenes containing 3-30 per cent by weight of n-butene-1 in the liquid phase by means of molecular oxygen or a gas containing molecular oxygen.  The oxidation is preferably carried out in the presence of oxidation catalysts such as cobalt, vanadium and manganese, preferably in the form of their organic salts, e.g. naphthenates.  The mixtures used as starting materials may be obtained by the cracking of mineral oils.  In the example of mixture of 73 per cent by weight n-butene-2 and 27 per cent of butene-1 is treated with oxygen in the presence of manganese naphthenate to give a mixture containing mostly 2,3-epoxybutane with small quantities of 1,2-epoxy butane.  Specifications 708,913 and 710,861 are referred to.
Patent GB-733508-A (GB)
Title: Improvements in or relating to recovery devices for pulse-jet units with aerodynamicinlet valves
Inventor: MEULIEN HENRI LOUIS PAUL
IPC: F02K7/067
Filed: 1953-03-10
Abstract: 733,508. Jet propulsion plant. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. March 10, 1953 [March 11, 1952], No. 6640/53. Class 110(3). A group of pulse jets with aerodynamic inlet valves which face in the opposite direction to that of the'propulsion jets has a series of tubular members arranged in front of and coaxial with the inlet orifices of the pulse jets which discharge into a common chamber having a rearwardly directed discharge pipe parallel to the exhaust pipes of the pulse jets. A number of tubular members 3, which collect the gas escaping towards the front from the aerodynamic inlet valves of the pulse jets 1, are connected to a common chamber 4 having a rearwardly directed discharge pipe 5 which is parallel to the discharge pipes of the pulse jets, The pipe 5 may have a variable area discharge nozzle to maintain a slight pressure in the chamber 4. The members 3, which are connected by reinforcing 'struts 7, diverge slightly to convert the kinetic energy of the escaping gas into pressure energy. The front portion 3a of the chamber 4 is faired to reduce air resistance. The plant may be started up by injecting compressed air into one or two pulse jets only, the pressure changes in the chamber 4 being sufficient to start the remaining units. To facilitate starting, the end of the pipe 5 may be provided with a remotely controlled shutter or a membrane which is automatically destroyed by pressure or temperature. The pulse jet units 1 may be arranged in several rings around the discharge pipe 5. Fuel may also be burnt in the pipe 5. Reference has been directed by the Comptroller to Specification 653,629.
Patent GB-911894-A (GB)
Title: Improvements in and relating to electric fuse carriers
Inventor: JACKS ERICK
IPC: H01H85/56
Filed: 1959-02-26
Abstract: 911,894. Fuses. ENGLISH ELECTRIC CO. Ltd. Feb. 16, 1960 [Feb. 26, 1959], No. 6763/59. Class 38 (1). A cartridge fuse carrier comprises an insulating body 10 provided at each end with a contact block 11 having, contact blades 12 between which a fuse tag 15 can be located, the block being secured to body 10 by a screw 13 and the tag being secured to block 11 by a screw 16 having a plain shank portion 16b which is accommodated in a recess in screw 13.